/* AiThao Design System — Concept D / Spatial Glass 2.0 (Titanium Slate Edition) */
:root {
  color-scheme: dark;
  --bg: #0d121c;
  --surface: #141d2c;
  --depth: #1b263b;
  --text: #ffffff;
  --secondary: #cbd5e1;
  --muted: #94a3b8;
  --ice: #e2e8f0;
  --ice-bright: #38bdf8;
  --ice-glow: rgba(56, 189, 248, 0.28);
  --cyan-accent: #38bdf8;
  --cyan-glow: rgba(56, 189, 248, 0.4);
  --line: rgba(255, 255, 255, 0.16);
  --line-strong: rgba(255, 255, 255, 0.28);
  --solid-glass: #172233;
  --titanium-frame: #2d3546;
  --titanium-light: #57667e;
  --ease-apple: cubic-bezier(0.16, 1, 0.3, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 90% 50% at 50% 0%, rgba(95, 130, 180, 0.22) 0%, transparent 65%),
    radial-gradient(ellipse 60% 45% at 85% 35%, rgba(56, 189, 248, 0.09) 0%, transparent 60%),
    radial-gradient(ellipse 60% 45% at 15% 65%, rgba(148, 163, 184, 0.08) 0%, transparent 60%),
    linear-gradient(180deg, #101623 0%, #0d121c 50%, #0a0e16 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.5;
  position: relative;
}

/* Accessibility Focus */
:focus-visible {
  outline: 2px solid var(--ice-bright);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link */
.skip-link {
  position: fixed;
  z-index: 999;
  left: 20px;
  top: -80px;
  background: #ffffff;
  color: #080b10;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transition: top 0.25s var(--ease-apple);
}

.skip-link:focus {
  top: 20px;
}

/* Ambient Canvas */
.ambient-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

/* Containers */
.wrap {
  width: min(1320px, calc(100% - 96px));
  margin-inline: auto;
}

/* Spatial Scene */
.scene {
  position: relative;
  z-index: 1;
  background:
    radial-gradient(ellipse 70% 50% at 75% 15%, rgba(42, 85, 128, 0.22), transparent 70%),
    radial-gradient(ellipse 60% 55% at 15% 55%, rgba(18, 46, 75, 0.25), transparent 70%),
    linear-gradient(180deg, #06090e 0%, #070c14 50%, #06090e 100%);
  overflow: hidden;
}

.scene::after {
  content: "";
  position: absolute;
  inset: 38% -20% 0;
  background:
    linear-gradient(180deg, transparent 0%, rgba(112, 191, 252, 0.06) 30%, transparent 34%),
    repeating-linear-gradient(90deg, transparent 0, transparent 9.8%, rgba(189, 217, 241, 0.015) 10%);
  transform: perspective(900px) rotateX(68deg);
  transform-origin: bottom center;
  pointer-events: none;
  z-index: 1;
}

/* Spatial Glass Foundation */
.glass {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.07) 0%, rgba(20, 36, 52, 0.35) 50%, rgba(10, 20, 30, 0.65) 100%);
  border: 1px solid rgba(220, 239, 255, 0.28);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3),
    0 16px 40px rgba(0, 0, 0, 0.45);
}

.glass-panel {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.07) 0%, rgba(16, 30, 46, 0.45) 50%, rgba(8, 16, 26, 0.7) 100%);
  border: 1px solid rgba(220, 239, 255, 0.3);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 0 24px rgba(112, 191, 252, 0.05),
    0 24px 60px rgba(0, 0, 0, 0.4);
}

/* Header & Nav */
.site-header {
  position: fixed;
  z-index: 100;
  top: 22px;
  left: 0;
  width: 100%;
  pointer-events: none;
}

.nav {
  width: min(840px, calc(100% - 48px));
  height: 64px;
  margin: 0 auto;
  padding: 8px 12px 8px 18px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  pointer-events: auto;
  transition: background 0.3s var(--ease-apple), border-color 0.3s var(--ease-apple), box-shadow 0.3s var(--ease-apple);
}

.site-header.scrolled .nav {
  background: rgba(8, 14, 22, 0.88);
  border-color: rgba(220, 239, 255, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 20px 48px rgba(0, 0, 0, 0.6);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: block;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s var(--ease-apple);
}

.nav-links a:hover {
  color: #ffffff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-picker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 10px 0 12px;
  border: 1px solid rgba(220, 239, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.language-picker:hover {
  border-color: rgba(220, 239, 255, 0.45);
  background: rgba(255, 255, 255, 0.1);
}

.language-picker select {
  background: transparent;
  border: none;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  outline: none;
  padding-right: 4px;
}

.language-picker option {
  background: #101721;
  color: #ffffff;
}

/* Buttons */
.button {
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-size: 14px;
  transition: transform 0.2s var(--ease-apple), background 0.2s var(--ease-apple), box-shadow 0.2s var(--ease-apple);
}

.button:active {
  transform: scale(0.97);
}

.button-light {
  background: #ffffff;
  color: #0c1219;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 4px 14px rgba(0, 0, 0, 0.25);
}

.button-light:hover {
  background: #eaf3fa;
  box-shadow:
    inset 0 1px 0 #ffffff,
    0 6px 20px rgba(0, 0, 0, 0.35);
}

.button-primary {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  color: #ffffff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    0 8px 24px rgba(2, 132, 199, 0.35);
}

.button-primary:hover {
  background: linear-gradient(135deg, #60a5fa 0%, #0ea5e9 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    0 12px 32px rgba(14, 165, 233, 0.5);
  transform: translateY(-2px);
}

.button-glass {
  min-height: 48px;
  padding: 0 26px;
  border-radius: 999px;
  background: rgba(112, 191, 252, 0.12);
  border: 1px solid rgba(220, 239, 255, 0.45);
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 8px 24px rgba(0, 0, 0, 0.25);
}

.button-glass:hover {
  background: rgba(112, 191, 252, 0.22);
  border-color: rgba(220, 239, 255, 0.7);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(112, 191, 252, 0.2);
}

/* Shimmer Sweep Animation */
.glow-sweep {
  position: relative;
  overflow: hidden;
}

.glow-sweep::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -70%;
  width: 50%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: rotate(25deg);
  animation: sweep 4.5s infinite cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

@keyframes sweep {
  0% { transform: translateX(-150%) rotate(25deg); }
  25%, 100% { transform: translateX(450%) rotate(25deg); }
}

.menu-button {
  display: none;
}

.mobile-drawer {
  display: none;
}

/* Hero Section */
.hero {
  min-height: 760px;
  padding-top: 150px;
  padding-bottom: 70px;
  display: grid;
  grid-template-columns: 46fr 54fr;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 2;
}

.hero-copy {
  padding-bottom: 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(112, 191, 252, 0.08);
  border: 1px solid rgba(112, 191, 252, 0.25);
  font-size: 13px;
  font-weight: 550;
  color: var(--ice);
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #38bdf8;
  box-shadow: 0 0 10px #38bdf8;
  animation: pulse-dot-anim 2s infinite ease-in-out;
}

@keyframes pulse-dot-anim {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.4); opacity: 0.4; }
}

.hero-headline {
  font-size: clamp(52px, 5.4vw, 86px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 24px;
  font-weight: 700;
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 30%, #a5d8ff 70%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subhead {
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.45;
  color: var(--secondary);
  margin: 0 0 34px;
  font-weight: 400;
  max-width: 540px;
}

.desktop-only {
  display: inline;
}

.hero-cta-cluster {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-art {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  width: 100%;
}

.hero-art picture {
  width: 100%;
  display: flex;
  justify-content: flex-end;
}

.hero-scene-img {
  width: 100%;
  max-width: 820px;
  height: auto;
  aspect-ratio: 1672 / 941;
  object-fit: contain;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.6));
  display: block;
}

/* Floating Spatial Chips */
.spatial-chip {
  position: absolute;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  color: #ffffff;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  animation: chip-hover 5s ease-in-out infinite alternate;
  pointer-events: none;
}

.chip-latency {
  top: 10%;
  left: 0%;
}

.chip-security {
  bottom: 12%;
  right: 4%;
  animation-delay: -2.5s;
}

.chip-dot-green {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 10px #34d399;
}

@keyframes chip-hover {
  0% { transform: translateY(0px) scale(1); }
  100% { transform: translateY(-10px) scale(1.02); }
}

/* Section Shared */
.section {
  position: relative;
  z-index: 2;
  padding: 90px 0;
  scroll-margin-top: 80px;
}

.text-center {
  text-align: center;
}

.section h2 {
  font-size: clamp(38px, 3.4vw, 52px);
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin: 0 0 14px;
}

.section-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ice-bright);
  background: rgba(112, 191, 252, 0.12);
  border: 1px solid rgba(112, 191, 252, 0.25);
  margin-bottom: 14px;
}

.section-copy p {
  font-size: 20px;
  color: var(--secondary);
  line-height: 1.55;
  margin: 0 auto 20px;
  max-width: 680px;
}

/* Section 2: Interactive Dual-iPhone Translation Sandbox */
.contact-quick-picker {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin: 28px 0 24px;
  flex-wrap: wrap;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--secondary);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s var(--ease-apple);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.contact-pill:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.contact-pill.active {
  background: rgba(56, 189, 248, 0.18);
  border-color: rgba(56, 189, 248, 0.6);
  color: #ffffff;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.pill-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

/* Audio Voice Controls */
.audio-toggle-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 0 auto 28px;
  flex-wrap: wrap;
}

.audio-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.45);
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease-apple);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 18px rgba(56, 189, 248, 0.2);
}

.audio-toggle-btn:hover {
  background: rgba(56, 189, 248, 0.26);
  border-color: #38bdf8;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(56, 189, 248, 0.35);
}

.audio-toggle-btn.muted {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--muted);
  box-shadow: none;
}

.audio-sound-waves {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 14px;
}

.audio-sound-waves span {
  display: block;
  width: 2.5px;
  height: 6px;
  background: #38bdf8;
  border-radius: 2px;
  animation: audio-wave-pulse 1.1s infinite ease-in-out alternate;
}

.audio-sound-waves span:nth-child(2) {
  height: 12px;
  animation-delay: -0.35s;
}

.audio-sound-waves span:nth-child(3) {
  height: 8px;
  animation-delay: -0.7s;
}

.audio-toggle-btn.muted .audio-sound-waves span {
  animation: none;
  background: var(--muted);
  height: 4px;
}

@keyframes audio-wave-pulse {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1.3); }
}

.audio-hint {
  font-size: 13px;
  color: var(--secondary);
  opacity: 0.9;
}

/* Mobile Switcher Tab (Hidden on Desktop) */
.mobile-phone-tabs {
  display: none;
  justify-content: center;
  gap: 10px;
  margin: 16px auto 0;
}

.mobile-tab-btn {
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.mobile-tab-btn.active {
  background: rgba(56, 189, 248, 0.22);
  border-color: #38bdf8;
  color: #ffffff;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
}

/* ================================================================
   DUAL IPHONE HARDWARE STAGE
   ================================================================ */
.dual-iphone-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 36px auto 50px;
  position: relative;
  width: 100%;
  max-width: 1080px;
}

.iphone-device-wrap {
  position: relative;
  width: clamp(285px, 28vw, 345px);
  flex-shrink: 0;
  transition: transform 0.4s var(--ease-apple), filter 0.3s;
}

.device-label-caption.top {
  text-align: center;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.device-label-caption.top strong {
  font-size: 14.5px;
  font-weight: 650;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.device-label-caption.top span {
  font-size: 12px;
  color: var(--secondary);
}

/* iPhone Hardware Chassis */
.iphone-hardware {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 18.5;
  background: linear-gradient(145deg, #3d4657 0%, #1c212c 45%, #2c3444 100%);
  border-radius: 52px;
  padding: 10px;
  box-shadow:
    inset 0 0 0 1.5px rgba(255, 255, 255, 0.32),
    inset 0 0 0 3px #10141d,
    0 25px 60px -10px rgba(0, 0, 0, 0.75),
    0 0 35px rgba(56, 189, 248, 0.12);
  transition: box-shadow 0.3s var(--ease-apple), transform 0.3s var(--ease-apple);
}

.iphone-hardware:hover {
  box-shadow:
    inset 0 0 0 1.5px rgba(255, 255, 255, 0.4),
    inset 0 0 0 3px #10141d,
    0 30px 70px -10px rgba(0, 0, 0, 0.8),
    0 0 45px rgba(56, 189, 248, 0.22);
}

/* Side physical buttons */
.btn-side {
  position: absolute;
  background: linear-gradient(180deg, #475163, #232a38);
  border-radius: 3px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-action {
  left: -4px;
  top: 92px;
  width: 4px;
  height: 24px;
}

.btn-vol-up {
  left: -4px;
  top: 130px;
  width: 4px;
  height: 44px;
}

.btn-vol-down {
  left: -4px;
  top: 185px;
  width: 4px;
  height: 44px;
}

.btn-power {
  right: -4px;
  top: 140px;
  width: 4px;
  height: 64px;
}

/* iPhone Screen Frame */
.iphone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 43px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 70% at 50% 15%, rgba(60, 115, 185, 0.26) 0%, transparent 65%),
    radial-gradient(ellipse 70% 50% at 20% 75%, rgba(14, 165, 233, 0.12) 0%, transparent 55%),
    linear-gradient(180deg, #131926 0%, #0d121c 60%, #080c13 100%);
  box-shadow: inset 0 0 0 2px #000000;
  display: flex;
  flex-direction: column;
}

/* Dynamic Island */
.dynamic-island {
  position: absolute;
  top: 9px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 24px;
  border-radius: 20px;
  background: #000000;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  transition: all 0.35s var(--ease-apple);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.dynamic-island.call-active {
  width: 164px;
  height: 30px;
  border-radius: 18px;
  background: #05070a;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.7), 0 0 12px rgba(56, 189, 248, 0.25);
}

.island-camera {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle, #0e1e36 30%, #000 80%);
  border: 1px solid #142136;
}

.island-sensor {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #070c14;
}

.island-call-pill {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: #38bdf8;
}

.dynamic-island.call-active .island-call-pill {
  display: inline-flex;
}

/* iOS Status Bar */
.ios-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px 4px;
  font-size: 12px;
  font-weight: 600;
  color: #ffffff;
  z-index: 45;
  user-select: none;
}

.ios-icons {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
}

.ios-signal {
  letter-spacing: 1px;
  font-size: 8px;
  color: #ffffff;
}

.ios-5g {
  font-size: 9px;
  font-weight: 700;
}

.ios-battery {
  width: 20px;
  height: 10px;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 3px;
  padding: 1px;
  display: flex;
  align-items: center;
  position: relative;
}

.ios-battery::after {
  content: "";
  position: absolute;
  right: -3.5px;
  top: 2px;
  width: 2px;
  height: 4px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 0 1px 1px 0;
}

.battery-level {
  display: block;
  width: 85%;
  height: 100%;
  background: #34d399;
  border-radius: 1px;
}

/* iOS App Views Container */
.ios-app-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ios-view {
  position: absolute;
  inset: 0 0 46px 0;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.96);
  transition: opacity 0.3s var(--ease-apple), transform 0.3s var(--ease-apple);
  overflow-y: auto;
  scrollbar-width: none;
}

.ios-view::-webkit-scrollbar {
  display: none;
}

.ios-view.active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

/* App Top Header */
.app-top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.app-brand-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.app-lang-pill {
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 11px;
  font-weight: 500;
  color: var(--secondary);
}

.app-search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 12px;
}

.app-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 4px 0 8px;
}

/* Contacts Favorites Row */
.contacts-favorites-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.contacts-favorites-row::-webkit-scrollbar {
  display: none;
}

.fav-bubble {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  flex-shrink: 0;
}

.fav-bubble span {
  font-size: 10.5px;
  color: var(--secondary);
  font-weight: 500;
}

.fav-bubble.active span {
  color: #ffffff;
  font-weight: 600;
}

.fav-avatar-wrap {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  padding: 2px;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  transition: all 0.2s;
}

.fav-bubble.active .fav-avatar-wrap {
  border-color: #38bdf8;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
}

.fav-avatar-wrap img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.dot-online {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #34d399;
  border: 1.5px solid #0c1017;
}

/* Contacts List */
.contacts-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  flex: 1;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: all 0.2s;
}

.contact-row:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.18);
}

.contact-row.active {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.45);
}

.row-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.row-info {
  flex: 1;
  min-width: 0;
}

.row-info strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row-info span {
  display: block;
  font-size: 11px;
  color: var(--secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row-call-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.2);
  border: 1px solid rgba(34, 197, 94, 0.5);
  color: #4ade80;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s;
}

.row-call-btn:hover {
  background: #22c55e;
  color: #ffffff;
  transform: scale(1.1);
  box-shadow: 0 0 14px rgba(34, 197, 94, 0.6);
}

/* Call Button CTA at bottom of Contacts screen */
.phone-call-cta {
  margin-top: 10px;
}

.btn-main-call {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
  transition: all 0.25s var(--ease-apple);
}

.btn-main-call:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 26px rgba(34, 197, 94, 0.55);
}

/* ================================================================
   ACTIVE CALL VIEW (Matching Screenshot)
   ================================================================ */
.call-top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.call-back-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.call-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 11px;
  font-weight: 500;
  color: var(--secondary);
}

.call-more-dot {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 1px;
}

.call-contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 6px 0 10px;
}

.call-avatar-ring {
  position: relative;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.6), rgba(255, 255, 255, 0.2));
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.35);
  margin-bottom: 8px;
}

.call-avatar-ring img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.avatar-online-dot {
  position: absolute;
  bottom: 3px;
  right: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #22c55e;
  border: 2px solid #0c1017;
  box-shadow: 0 0 8px #22c55e;
}

.call-contact-name {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 2px;
  letter-spacing: -0.01em;
}

.call-lang-badge {
  font-size: 11px;
  color: var(--secondary);
  margin-bottom: 2px;
}

.call-timer {
  font-size: 12px;
  font-weight: 600;
  color: #38bdf8;
  letter-spacing: 0.04em;
}

/* Call Equalizer Stream */
.call-equalizer-stream {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 38px;
  margin: 4px 0 10px;
  padding: 0 8px;
}

.eq-call-bar {
  width: 3px;
  height: 8px;
  border-radius: 2px;
  background: #38bdf8;
  transition: height 0.08s ease;
}

/* Subtitles Card */
.call-subtitles-card {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 10px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.sub-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 3px;
}

.sub-text {
  font-size: 12px;
  line-height: 1.35;
  color: #ffffff;
  margin: 0 0 6px;
}

.sub-translated {
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sub-trans-tag {
  display: block;
  font-size: 9.5px;
  font-weight: 600;
  color: #38bdf8;
  margin-bottom: 2px;
}

.sub-translated strong {
  font-size: 12px;
  line-height: 1.35;
  color: #e2e8f0;
  font-weight: 500;
}

/* Interactive In-Call Actions */
.call-interactive-bar {
  display: flex;
  justify-content: center;
  margin-bottom: 10px;
}

.call-phrase-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.16);
  border: 1px solid rgba(56, 189, 248, 0.45);
  color: #ffffff;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.call-phrase-btn:hover {
  background: rgba(56, 189, 248, 0.3);
  transform: scale(1.03);
}

.call-phrase-btn.accent {
  background: rgba(34, 197, 94, 0.18);
  border-color: rgba(34, 197, 94, 0.5);
}

.call-phrase-btn.accent:hover {
  background: rgba(34, 197, 94, 0.32);
}

/* Call Action Buttons Grid */
.call-controls-grid {
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin-top: auto;
  padding-top: 4px;
}

.call-circle-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  color: var(--secondary);
  font-size: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.call-circle-btn svg {
  width: 36px;
  height: 36px;
  padding: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  transition: all 0.2s;
}

.call-circle-btn.active svg {
  background: rgba(56, 189, 248, 0.2);
  border-color: #38bdf8;
  color: #38bdf8;
}

.call-circle-btn.end-call svg {
  background: #ef4444;
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.5);
}

.call-circle-btn.end-call:hover svg {
  transform: scale(1.08);
  box-shadow: 0 6px 22px rgba(239, 68, 68, 0.7);
}

/* ================================================================
   CHAT VIEW (Matching Screenshot 13_30_08)
   ================================================================ */
.chat-top-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 10px;
}

.chat-back-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.chat-header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.chat-header-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}

.chat-header-user strong {
  display: block;
  font-size: 12.5px;
  color: #ffffff;
}

.chat-online-status {
  display: block;
  font-size: 10px;
  color: #34d399;
}

.chat-call-action {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.18);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.chat-messages-stream {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  overflow-y: auto;
  scrollbar-width: none;
  padding-bottom: 8px;
}

.chat-bubble {
  max-width: 82%;
  padding: 8px 12px;
  border-radius: 14px;
  font-size: 12px;
  line-height: 1.35;
  position: relative;
}

.chat-bubble.incoming {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-bottom-left-radius: 4px;
}

.chat-bubble.outgoing {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.28), rgba(30, 64, 175, 0.35));
  border: 1px solid rgba(56, 189, 248, 0.45);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.chat-bubble p {
  margin: 0 0 2px;
}

.bubble-meta {
  font-size: 9px;
  color: var(--muted);
  display: block;
}

.bubble-img {
  width: 100%;
  border-radius: 10px;
  margin: 4px 0 2px;
  display: block;
  max-height: 100px;
  object-fit: cover;
}

.chat-bubble.voice {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
}

.voice-msg-play {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #38bdf8;
  border: none;
  color: #0c1017;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  padding-left: 2px;
}

.voice-waveform-mini {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 16px;
  flex: 1;
}

.voice-waveform-mini span {
  width: 2px;
  height: 6px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 1px;
}

.voice-waveform-mini span:nth-child(2n) { height: 12px; }
.voice-waveform-mini span:nth-child(3n) { height: 16px; }

.voice-duration {
  font-size: 10px;
  color: var(--secondary);
}

.chat-input-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: auto;
}

.chat-plus, .chat-mic {
  font-size: 14px;
  color: var(--secondary);
}

.chat-input-field {
  flex: 1;
  font-size: 11px;
  color: var(--muted);
}

/* iOS Bottom Dock Navigation */
.ios-dock-nav {
  position: absolute;
  bottom: 6px;
  left: 10px;
  right: 10px;
  height: 40px;
  border-radius: 20px;
  background: rgba(18, 26, 40, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 45;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.dock-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 9px;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}

.dock-item.active {
  color: #38bdf8;
}

.dock-badge {
  position: absolute;
  top: -2px;
  right: 2px;
  padding: 1px 4px;
  border-radius: 999px;
  background: #ef4444;
  color: #ffffff;
  font-size: 8px;
  font-weight: 700;
}

/* Home Indicator Bar */
.ios-home-indicator {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 3.5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.5);
  z-index: 50;
  pointer-events: none;
}

/* ================================================================
   RECEIVER IPHONE VIEWS (PHONE B)
   ================================================================ */
/* Standby Screen */
.standby-screen-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  padding: 20px 8px;
}

.standby-clock {
  font-size: 42px;
  font-weight: 300;
  letter-spacing: -0.04em;
  color: #ffffff;
  line-height: 1;
}

.standby-date {
  font-size: 11px;
  color: var(--secondary);
  margin-bottom: 24px;
}

.standby-user-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 20px;
}

.standby-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.standby-user-card h4 {
  font-size: 15px;
  color: #ffffff;
  margin: 0 0 2px;
}

.standby-user-card span {
  font-size: 11px;
  color: var(--secondary);
}

.standby-notif-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-align: left;
  margin-bottom: 16px;
  width: 100%;
}

.notif-text-wrap strong {
  display: block;
  font-size: 11px;
  color: #ffffff;
}

.notif-text-wrap span {
  display: block;
  font-size: 10px;
  color: var(--secondary);
}

.standby-hint-pill {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  font-size: 10px;
  color: #38bdf8;
}

/* Incoming Call Screen */
.incoming-ring-halo {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 120px;
  pointer-events: none;
}

.incoming-ring-halo span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(34, 197, 94, 0.6);
  animation: ring-pulse 1.8s infinite cubic-bezier(0.2, 0.8, 0.4, 1);
}

.incoming-ring-halo span:nth-child(2) {
  animation-delay: -0.6s;
}

.incoming-ring-halo span:nth-child(3) {
  animation-delay: -1.2s;
}

@keyframes ring-pulse {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.8); opacity: 0; }
}

.incoming-info-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-top: 50px;
}

.incoming-avatar-circle {
  position: relative;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  border: 2.5px solid #22c55e;
  box-shadow: 0 0 26px rgba(34, 197, 94, 0.5);
  margin-bottom: 10px;
  overflow: hidden;
}

.incoming-avatar-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.incoming-title {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 2px;
}

.incoming-subtitle {
  font-size: 12px;
  color: var(--secondary);
  margin-bottom: 8px;
}

.incoming-lang-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.16);
  border: 1px solid rgba(34, 197, 94, 0.45);
  font-size: 10.5px;
  font-weight: 500;
  color: #4ade80;
}

.incoming-buttons-row {
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin-top: auto;
  margin-bottom: 20px;
  padding: 0 10px;
}

.incoming-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  border: none;
  background: none;
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s;
}

.incoming-btn svg {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  padding: 12px;
  color: #ffffff;
}

.incoming-btn.decline svg {
  background: #ef4444;
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5);
}

.incoming-btn.accept svg {
  background: #22c55e;
  box-shadow: 0 6px 24px rgba(34, 197, 94, 0.6);
}

.incoming-btn:hover {
  transform: scale(1.1);
}

/* ================================================================
   CENTRAL NEURAL CONDUIT BRIDGE
   ================================================================ */
.neural-bridge-hub {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 170px;
  z-index: 10;
}

.bridge-flow-track {
  position: absolute;
  top: 50%;
  left: -20px;
  right: -20px;
  height: 3px;
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-50%);
  border-radius: 2px;
  pointer-events: none;
  overflow: hidden;
}

.bridge-packet-pulse {
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 100%;
  background: linear-gradient(90deg, transparent, #38bdf8, transparent);
  animation: bridge-flow-anim 1.8s infinite linear;
}

@keyframes bridge-flow-anim {
  0% { transform: translateX(-40px); }
  100% { transform: translateX(210px); }
}

.bridge-core {
  position: relative;
  z-index: 5;
  width: 154px;
  padding: 16px 12px;
  border-radius: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(20, 28, 42, 0.82);
  border: 1px solid rgba(112, 191, 252, 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 16px 36px rgba(0, 0, 0, 0.5),
    0 0 25px rgba(56, 189, 248, 0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.bridge-icon-halo {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.5);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.halo-ripple {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(56, 189, 248, 0.4);
  animation: ripple-halo-anim 2s infinite ease-out;
}

@keyframes ripple-halo-anim {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

.bridge-latency-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 11px;
  font-weight: 700;
  color: #34d399;
  margin-bottom: 6px;
}

.live-dot-green {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 6px #34d399;
}

.live-dot-green.pulse {
  animation: dot-pulse 1.2s infinite alternate;
}

@keyframes dot-pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  100% { transform: scale(1.3); opacity: 1; }
}

.bridge-core-name {
  font-size: 12.5px;
  color: #ffffff;
  margin-bottom: 2px;
}

.bridge-core-sub {
  font-size: 10px;
  color: var(--secondary);
  line-height: 1.2;
  margin-bottom: 10px;
}

.bridge-dial-btn {
  width: 100%;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.55);
  color: #ffffff;
  font-size: 10.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.bridge-dial-btn:hover {
  background: #38bdf8;
  color: #0c1017;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.6);
}

/* Section: How It Works Clean */
.how-it-works {
  padding: 60px 0 90px;
}

/* Step-by-Step Story Cards */
.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0 60px;
}

.story-card {
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease-apple), box-shadow 0.3s var(--ease-apple), border-color 0.3s;
}

.story-card:hover {
  transform: translateY(-5px);
  border-color: rgba(112, 191, 252, 0.5);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.story-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0d141e;
  overflow: hidden;
}

.story-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease-apple);
}

.story-card:hover .story-card-media img {
  transform: scale(1.04);
}

.story-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(10, 18, 28, 0.78);
  border: 1px solid rgba(112, 191, 252, 0.3);
  color: var(--ice);
  backdrop-filter: blur(10px);
}

.story-badge.accent {
  background: rgba(13, 148, 136, 0.8);
  border-color: rgba(94, 234, 212, 0.5);
  color: #ccfbf1;
}

.story-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.story-card-body h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 650;
  color: #ffffff;
}

.story-card-body p {
  margin: 0;
  font-size: 15px;
  color: var(--secondary);
  line-height: 1.5;
}

/* Bilateral Communication Banner */
.bilateral-banner {
  border-radius: 32px;
  padding: 44px;
  display: grid;
  grid-template-columns: 44fr 56fr;
  align-items: center;
  gap: 50px;
  margin-top: 20px;
}

.bilateral-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.bilateral-visual img {
  /* A tall portrait beside a short paragraph left the right-hand column
     half empty. Height leads now and the width follows it, so the picture
     ends where the text does. */
  width: auto;
  max-width: 100%;
  max-height: 420px;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.bilateral-content h3 {
  font-size: clamp(28px, 2.6vw, 38px);
  font-weight: 650;
  margin: 0 0 16px;
  letter-spacing: -0.025em;
  color: #ffffff;
}

.bilateral-content p {
  font-size: 18px;
  color: var(--secondary);
  line-height: 1.55;
  margin: 0 0 28px;
}

.bilateral-perks {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bilateral-perks li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.45;
}

.bilateral-perks svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* Section 3: Messages, Voice & 3D Feature Matrix */
.messages {
  min-height: 520px;
  display: grid;
  grid-template-columns: 42fr 58fr;
  align-items: center;
  gap: 56px;
  padding: 80px 0 110px;
}

.phone-crop {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.phone-glow-orb {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.25) 0%, rgba(99, 102, 241, 0.1) 45%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
}

.phone-messages-img {
  width: 100%;
  max-width: 420px;
  height: auto;
  aspect-ratio: 670 / 830;
  object-fit: contain;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.65));
  display: block;
  position: relative;
  z-index: 1;
}

.messages-copy {
  padding-left: 10px;
}

.messages-copy h2 {
  margin: 0 0 14px;
}

.messages-copy > p {
  font-size: 20px;
  color: var(--secondary);
  line-height: 1.55;
  margin: 0 0 36px;
}

/* 3D Tilt Feature Matrix */
.feature-matrix {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-box {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px;
  border-radius: 20px;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s;
  cursor: default;
}

.feature-box:hover {
  border-color: rgba(112, 191, 252, 0.5);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 20px 40px rgba(0, 0, 0, 0.45),
    0 0 28px rgba(112, 191, 252, 0.15);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(112, 191, 252, 0.12);
  border: 1px solid rgba(112, 191, 252, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ice-bright);
  flex-shrink: 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.feature-icon-wrapper svg {
  width: 28px;
  height: 28px;
}

.feature-text h3 {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 650;
  color: #ffffff;
}

.feature-text p {
  margin: 0;
  font-size: 15px;
  color: var(--secondary);
  line-height: 1.5;
}

/* Section 4: Privacy & Security Matrix */
.privacy {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 96px 0 70px;
  position: relative;
  z-index: 3;
}

.privacy-header {
  margin-bottom: 52px;
}

.privacy-subhead {
  font-size: 20px;
  color: var(--secondary);
  max-width: 660px;
  margin: 0 auto;
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.privacy-card {
  padding: 38px 28px;
  border-radius: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s var(--ease-apple), border-color 0.3s var(--ease-apple), box-shadow 0.3s var(--ease-apple);
}

.privacy-card:hover {
  transform: translateY(-4px);
  border-color: rgba(112, 191, 252, 0.45);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.privacy-icon-ring {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(112, 191, 252, 0.08);
  border: 1px solid rgba(112, 191, 252, 0.24);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ice-bright);
  margin-bottom: 22px;
  box-shadow: 0 0 20px rgba(112, 191, 252, 0.1);
}

.privacy-icon-ring svg {
  width: 32px;
  height: 32px;
}

.privacy-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 650;
  color: #ffffff;
}

.privacy-card p {
  margin: 0;
  font-size: 15px;
  color: var(--secondary);
  line-height: 1.55;
}

.privacy-note {
  max-width: 780px;
  margin: 48px auto 44px;
  text-align: center;
  color: var(--secondary);
  font-size: 16px;
  line-height: 1.6;
}

.privacy-note a {
  color: var(--ice-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}

.privacy-note a:hover {
  color: #ffffff;
}

/* Roadmap Pill */
.soon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 16px 32px;
  border-radius: 999px;
  margin: 0 auto;
  color: var(--secondary);
  font-size: 16px;
  font-weight: 500;
  position: relative;
  overflow: hidden;
  left: 50%;
  transform: translateX(-50%);
}

.soon-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(112, 191, 252, 0.12), transparent 70%);
  pointer-events: none;
}

.soon svg {
  width: 24px;
  height: 24px;
  color: var(--ice-bright);
  flex-shrink: 0;
}

/* Section 5: Grand Finale CTA */
.cta-wrap {
  background: var(--surface);
  padding: 30px 0 80px;
  position: relative;
  z-index: 3;
}

.cta {
  min-height: 170px;
  border-radius: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 36px 54px;
}

.cta-brand {
  display: flex;
  align-items: center;
  gap: 28px;
}

.cta-icon-glow {
  position: relative;
  flex-shrink: 0;
}

.cta-icon-glow::before {
  content: "";
  position: absolute;
  inset: -15px;
  background: radial-gradient(circle, rgba(112, 191, 252, 0.35), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-brand img {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  display: block;
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.45));
  position: relative;
  z-index: 1;
}

.cta-brand h2 {
  font-size: clamp(28px, 2.7vw, 42px);
  font-weight: 650;
  margin: 0 0 6px;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.cta-brand p {
  margin: 0;
  font-size: 17px;
  color: var(--secondary);
}

/* Footer */
.footer {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.footer strong {
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.footer p {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer a:hover {
  color: var(--text);
}

.footer i {
  font-style: normal;
  color: var(--line-strong);
}

.seo-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  max-width: 580px;
}

/* Scroll Reveal Classes */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-hidden {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}



/* Responsive Media Queries */

/* Tablet / Intermediate: <= 1199px */
@media (max-width: 1199px) {
  .wrap {
    width: min(100% - 64px, 1320px);
  }

  .hero {
    min-height: 660px;
    padding-top: 130px;
    gap: 30px;
  }

  .hero-headline {
    font-size: 60px;
  }

  .translation {
    gap: 32px;
  }

  .wave-card {
    min-height: 250px;
    padding: 26px 20px;
  }

  .messages {
    gap: 36px;
  }

  .privacy-grid {
    gap: 16px;
  }

  .cta {
    padding: 32px 36px;
  }
}

/* Mobile & Small Tablet: <= 899px */
@media (max-width: 899px) {
  .wrap {
    width: calc(100% - 40px);
  }

  .site-header {
    top: 14px;
  }

  .nav {
    width: calc(100% - 32px);
    height: 60px;
    padding: 6px 8px 6px 14px;
    gap: 10px;
  }

  .brand img {
    width: 32px;
    height: 32px;
  }

  .brand strong {
    font-size: 16px;
  }

  .nav-links {
    display: none;
  }

  .desktop-nav-button {
    display: none;
  }

  .desktop-only {
    display: none;
  }

  .menu-button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
  }

  .menu-button span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: #ffffff;
    border-radius: 1px;
    transition: transform 0.25s var(--ease-apple), opacity 0.25s var(--ease-apple);
  }

  .menu-button[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(5.5px) rotate(45deg);
  }

  .menu-button[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-button[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-5.5px) rotate(-45deg);
  }

  .mobile-drawer {
    display: block;
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    border-radius: 24px;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.25s var(--ease-apple), transform 0.25s var(--ease-apple);
  }

  .mobile-drawer[hidden] {
    display: none !important;
  }

  .mobile-drawer:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .drawer-nav a {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    border-radius: 14px;
    color: var(--text);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: background 0.15s;
  }

  .drawer-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
  }

  .drawer-cta {
    margin-top: 10px;
    width: 100%;
    min-height: 48px;
    font-size: 16px;
    color: #0c1219 !important;
    background: #ffffff !important;
    font-weight: 650;
  }

  /* Hero Mobile */
  .hero {
    padding-top: 110px;
    padding-bottom: 50px;
    display: flex;
    flex-direction: column;
    min-height: auto;
    text-align: left;
    gap: 36px;
  }

  .hero-copy {
    padding-bottom: 0;
    width: 100%;
  }

  .hero-headline {
    font-size: clamp(42px, 10vw, 64px);
    margin-bottom: 18px;
  }

  .hero-subhead {
    font-size: 19px;
  }

  .hero-art {
    width: 100%;
    justify-content: center;
  }

  .hero-scene-img {
    max-width: 520px;
    aspect-ratio: 800 / 570;
  }

  .spatial-chip {
    display: none; /* Avoid cluttering mobile device view */
  }

  /* Translation & Dual iPhone Mobile */
  .translation {
    display: flex;
    flex-direction: column;
    padding: 60px 0;
    gap: 28px;
  }

  .mobile-phone-tabs {
    display: flex;
  }

  .dual-iphone-stage {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .iphone-device-wrap {
    width: min(330px, 92vw);
    display: none;
  }

  .iphone-device-wrap.active {
    display: block;
  }

  .neural-bridge-hub {
    width: 100%;
    max-width: 320px;
    margin: 4px 0;
  }

  .bridge-flow-track {
    display: none;
  }

  /* How It Works Mobile */
  .how-it-works {
    padding: 50px 0 70px;
  }

  .story-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px 0 40px;
  }

  .bilateral-banner {
    grid-template-columns: 1fr;
    padding: 28px 20px;
    gap: 30px;
  }

  .bilateral-visual img {
    max-width: 300px;
  }

  /* Messages Mobile */
  .messages {
    display: flex;
    flex-direction: column;
    padding: 50px 0 70px;
    gap: 40px;
  }

  .phone-crop {
    order: 2;
    width: 100%;
  }

  .phone-messages-img {
    max-width: 340px;
  }

  .messages-copy {
    order: 1;
    padding: 0;
    width: 100%;
  }

  /* Privacy Mobile */
  .privacy {
    padding: 60px 0 50px;
  }

  .privacy-header {
    text-align: left;
    margin-bottom: 36px;
  }

  .privacy-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .privacy-card {
    text-align: left;
    align-items: flex-start;
    padding: 26px 20px;
  }

  .privacy-icon-ring {
    margin-bottom: 16px;
  }

  .privacy-note {
    text-align: left;
    margin: 32px 0 36px;
  }

  .soon {
    left: 0;
    transform: none;
    width: 100%;
    text-align: left;
    justify-content: flex-start;
    border-radius: 20px;
  }

  /* CTA Mobile */
  .cta-wrap {
    padding: 10px 0 50px;
  }

  .cta {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
    gap: 24px;
  }

  .cta-brand {
    flex-direction: column;
    gap: 16px;
  }

  .cta-brand img {
    width: 72px;
    height: 72px;
  }

  .button-glass {
    width: 100%;
    min-height: 48px;
  }

  /* Footer Mobile */
  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 28px 0 40px;
  }

  .footer p {
    flex-wrap: wrap;
    gap: 12px 18px;
  }
}

/* Small Phones: <= 480px */
@media (max-width: 480px) {
  .wrap {
    width: calc(100% - 32px);
  }

  .nav {
    width: calc(100% - 24px);
    padding-left: 10px;
  }

  .brand strong {
    font-size: 15px;
  }

  .language-picker {
    padding: 0 6px 0 8px;
    height: 36px;
  }

  .hero-headline {
    font-size: 40px;
  }

  .hero-subhead {
    font-size: 17px;
  }

  .section h2 {
    font-size: 30px;
  }

  .section-copy p,
  .messages-copy > p {
    font-size: 17px;
  }

  .wave-card {
    padding: 24px 18px;
  }

  .cta-brand h2 {
    font-size: 28px;
  }
}

/* Accessibility Modes */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .button, .wave-card, .button-glass, .spatial-chip, .feature-box, .privacy-card {
    transition: none !important;
    transform: none !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .glass,
  .glass-panel,
  .mobile-drawer {
    background: var(--solid-glass) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --secondary: #e6edf4;
    --muted: #d1d8df;
    --line: rgba(255, 255, 255, 0.45);
    --line-strong: rgba(255, 255, 255, 0.7);
  }

  .glass,
  .glass-panel,
  .nav {
    border-color: #ffffff !important;
    background: #111b26 !important;
  }

  .button-light {
    border: 2px solid #ffffff !important;
  }
}

/* RTL Support */
[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] .messages-copy {
  padding-left: 0;
  padding-right: 10px;
}

[dir="rtl"] .language-picker select {
  direction: rtl;
  padding-right: 0;
  padding-left: 4px;
}

[dir="rtl"] .language-picker {
  padding: 0 12px 0 10px;
}

[dir="rtl"] .cta .button-glass span:last-child {
  display: inline-block;
  transform: scaleX(-1);
}

/* Advantages: twelve slots, four across; encryption leads, two columns wide. */
.privacy-grid.advantages {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
}
.advantages .privacy-card {
  padding: 26px 22px;
  text-align: start;
  align-items: flex-start;
}
.advantages .privacy-icon-ring {
  width: 54px;
  height: 54px;
  margin-bottom: 16px;
}
.advantages .privacy-icon-ring svg {
  width: 26px;
  height: 26px;
}
.advantages .privacy-card h3 {
  font-size: 17px;
  line-height: 1.3;
}
.advantages .privacy-card p {
  font-size: 14.5px;
}
.advantages .privacy-card.featured {
  grid-column: span 2;
  flex-direction: row;
  align-items: center;
  gap: 22px;
  background: linear-gradient(150deg, rgba(112, 191, 252, 0.16), rgba(112, 191, 252, 0.04));
  border-color: rgba(112, 191, 252, 0.38);
}
.advantages .featured .privacy-icon-ring {
  flex: none;
  width: 84px;
  height: 84px;
  margin: 0;
}
.advantages .featured .privacy-icon-ring svg {
  width: 40px;
  height: 40px;
}
.advantages .featured h3 {
  font-size: 22px;
}
.advantages .featured p {
  font-size: 15.5px;
}
@media (max-width: 1100px) {
  .privacy-grid.advantages {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 899px) {
  .privacy-grid.advantages {
    grid-template-columns: minmax(0, 1fr);
  }
  .advantages .privacy-card.featured {
    grid-column: auto;
    flex-direction: column;
    align-items: flex-start;
  }
  .advantages .featured .privacy-icon-ring {
    width: 64px;
    height: 64px;
  }
}

/* The "are you a person" check for the live sandbox: centred under the phones,
   and present only while the sandbox is waiting for it. */
.sbx-challenge {
  display: flex;
  justify-content: center;
  margin: 22px auto 0;
}

.sbx-challenge[hidden] {
  display: none;
}

/* The chat's microphone is a real control in the sandbox, not an ornament:
   it records a voice message and the reply bubble below says what happened. */
.chat-mic {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  line-height: 1;
}

.chat-mic.recording {
  animation: sbx-recording 1.1s ease-in-out infinite;
}

@keyframes sbx-recording {
  50% { opacity: 0.35; }
}

@media (prefers-reduced-motion: reduce) {
  .chat-mic.recording { animation: none; opacity: 0.6; }
}

.sbx-voice-reply {
  display: block;
  gap: 0;
}

.sbx-voice-reply p {
  margin: 0;
}

.sbx-voice-reply p:empty {
  display: none;
}

.sbx-voice-status {
  font-size: 0.78em;
  opacity: 0.75;
}

.sbx-voice-heard {
  opacity: 0.75;
}

.sbx-voice-translated {
  margin-top: 2px !important;
  font-weight: 600;
}

/* Editorial homepage update: human photography and three focused use cases. */
.hero-art {
  overflow: hidden;
  border-radius: 34px;
  background: #111d2c;
}
.hero-art .hero-scene-img {
  width: 100%;
  max-width: none;
  height: clamp(370px, 39vw, 575px);
  aspect-ratio: auto;
  object-fit: cover;
  object-position: 60% center;
  filter: none;
}
.people-photo {
  position: relative;
  overflow: hidden;
  border-radius: 240px 240px 32px 32px;
  max-width: 480px;
  background: #172334;
  box-shadow: 0 28px 70px rgba(0, 0, 0, .26);
}
.people-photo img {
  display: block;
  width: 100%;
  height: 590px;
  object-fit: cover;
  object-position: 28% center;
}
.feature-detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 30px;
}
.feature-detail-links a {
  color: var(--ice-bright);
  font-size: 16px;
  font-weight: 650;
  text-decoration: none;
  border-bottom: 1px solid rgba(112, 191, 252, .45);
  padding-bottom: 6px;
}
.feature-detail-links a:hover { color: #fff; border-color: #fff; }
.spotlight { padding: 100px 0 78px; }
.spotlight-head { max-width: 770px; margin-bottom: 52px; }
.spotlight-head h2 { margin: 20px 0 16px; }
.spotlight-head p { margin: 0; color: var(--secondary); font-size: clamp(18px, 2vw, 22px); line-height: 1.55; }
.spotlight-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.spotlight-card { padding: 32px 30px 36px 0; min-width: 0; }
.spotlight-card + .spotlight-card { border-left: 1px solid var(--line); padding-left: 30px; }
.spotlight-number { display: block; margin-bottom: 42px; color: var(--ice-bright); font-size: 42px; line-height: 1; font-weight: 650; letter-spacing: -.05em; }
.spotlight-card h3 { color: #fff; font-size: clamp(20px, 2vw, 26px); line-height: 1.2; margin: 0 0 15px; }
.spotlight-card p { color: var(--secondary); font-size: 16px; line-height: 1.58; margin: 0; }
.spotlight-note { max-width: 810px; margin: 42px 0 0; padding-top: 20px; border-top: 1px solid var(--line); color: var(--secondary); font-size: 14px; }
.spotlight-note a { color: var(--ice-bright); }
@media (max-width: 899px) {
  .hero-art { width: 100%; border-radius: 26px; }
  .hero-art .hero-scene-img { height: 390px; object-position: 68% center; }
  .people-photo { width: min(100%, 480px); align-self: center; order: 2; }
  .people-photo img { height: 480px; }
  .spotlight { padding: 70px 0 54px; }
  .spotlight-grid { grid-template-columns: 1fr; }
  .spotlight-card, .spotlight-card + .spotlight-card { border-left: 0; border-top: 1px solid var(--line); padding: 24px 0; }
  .spotlight-card:first-child { border-top: 0; }
  .spotlight-number { display: inline-block; vertical-align: top; font-size: 28px; width: 64px; margin-bottom: 0; }
  .spotlight-card h3 { display: inline-block; width: calc(100% - 68px); vertical-align: top; margin-bottom: 8px; }
  .spotlight-card p { padding-left: 64px; }
}
@media (max-width: 520px) {
  .hero-art .hero-scene-img { height: 300px; }
  .people-photo img { height: 385px; }
}

/* Keep the three original process photos; refresh only the call story below. */
.bilateral-banner {
  padding: 0;
  grid-template-columns: minmax(0, 48%) minmax(0, 1fr);
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(135deg, #172539, #101a29);
}
.bilateral-visual { min-height: 380px; align-self: stretch; }
.bilateral-visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  object-fit: cover;
  object-position: 32% center;
}
.bilateral-content { padding: clamp(30px, 4vw, 60px); }
.bilateral-content p { margin-bottom: 24px; }
.bilateral-link {
  color: var(--ice-bright);
  font-weight: 650;
  text-decoration: none;
  border-bottom: 1px solid rgba(112,191,252,.5);
  padding-bottom: 6px;
}
.bilateral-link:hover { color: #fff; border-color: #fff; }
@media (max-width: 899px) {
  .bilateral-banner { display: flex; flex-direction: column; padding: 0; gap: 0; }
  .bilateral-visual { width: 100%; min-height: 0; }
  .bilateral-visual img { width: 100%; height: 270px; max-width: none; object-position: 32% center; }
  .bilateral-content { padding: 28px 26px 34px; }
}

/* Footer: data-use note, product links and legal links in a clear hierarchy. */
.footer {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(160px, .55fr);
  align-items: start;
  gap: 34px;
  min-height: 0;
  padding: 42px 0 54px;
}
.footer-about { max-width: 490px; }
.footer-about strong { display: block; }
.footer .footer-data-note {
  display: block;
  margin: 15px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}
.footer .footer-data-note a { color: var(--ice-bright); text-decoration: underline; text-underline-offset: 3px; }
.footer .seo-footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  justify-content: start;
  gap: 12px 22px;
  max-width: none;
  padding-top: 3px;
}
.footer-legal {
  grid-column: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding-top: 3px;
}
@media (max-width: 960px) {
  .footer { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 30px; }
  .footer-about { grid-column: 1 / -1; max-width: 700px; }
  .footer-legal { grid-column: 2; }
}
@media (max-width: 620px) {
  .footer { display: flex; flex-direction: column; gap: 24px; padding: 34px 0 42px; }
  .footer-about { max-width: none; }
  .footer .seo-footer-links { width: 100%; gap: 11px 18px; }
  .footer-legal { width: 100%; flex-direction: row; flex-wrap: wrap; gap: 10px 18px; padding-top: 22px; border-top: 1px solid var(--line); }
}

/* The sandbox chat is a real one: a field to type in, a send button, and the
   hints that stand in for an empty conversation. */
.sbx-voice-reply[hidden] {
  display: none;
}

.sbx-chat-form {
  margin: 0;
}

.sbx-chat-input {
  min-width: 0;
  background: none;
  border: 0;
  outline: none;
  padding: 2px 0;
  font: inherit;
  font-size: 11px;
  color: #ffffff;
}

.sbx-chat-input::placeholder {
  color: var(--muted);
}

.sbx-chat-send {
  background: none;
  border: 0;
  padding: 0 2px;
  font: inherit;
  font-size: 13px;
  line-height: 1;
  color: #38bdf8;
  cursor: pointer;
}

.sbx-chat-hint {
  margin: auto 8px;
  font-size: 11px;
  line-height: 1.4;
  text-align: center;
  color: var(--muted);
}

.sbx-bubble-note {
  margin-top: 3px;
  white-space: normal;
  overflow-wrap: anywhere;
}

#view-receiver-chat .chat-messages-stream,
#view-sender-chat .chat-messages-stream {
  padding-bottom: 8px;
}

/* Homepage product positioning (27.09.2026): a heading that says what AiThao
   is, the app itself in the hero, the reasons to choose it right after, and
   tighter spacing so two or three product ideas fit in the first two screens. */
.section { padding: 64px 0; }
.hero { min-height: 0; padding-top: 128px; padding-bottom: 36px; grid-template-columns: 58fr 42fr; }
.hero-kicker { margin: 0 0 12px; font-size: clamp(20px, 1.9vw, 28px); font-weight: 650; letter-spacing: -0.02em; }
.hero-headline { font-size: clamp(36px, 3.7vw, 60px); line-height: 1.08; letter-spacing: -0.035em; margin: 0 0 20px; }
.hero-subhead { font-size: clamp(18px, 1.5vw, 22px); max-width: 600px; margin-bottom: 30px; }
.hero-art:has(.hero-shot) { overflow: visible; background: none; border-radius: 0; justify-content: center; }
.hero-shot { margin: 0; width: min(340px, 100%); }
.hero-shot img, .product-shot img {
  display: block; width: 100%; height: auto; border-radius: 34px;
  border: 1px solid rgba(220, 239, 255, 0.22);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55), 0 0 60px rgba(56, 189, 248, 0.12);
}

.why-grid { list-style: none; margin: 34px 0 0; padding: 0; display: grid; gap: 18px; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.why-card { grid-column: span 2; }
/* The two translation reasons first and larger: they are why AiThao exists. */
.why-card:nth-child(-n+2) { grid-column: span 3; }
.why-card:nth-child(-n+2) h3 { font-size: 24px; }
.why-card:nth-child(-n+2) p { font-size: 17px; }
.why-card { border-radius: 22px; padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; }
.why-card h3 { margin: 0; font-size: 20px; line-height: 1.25; color: #fff; }
.why-card p { margin: 0; font-size: 15.5px; line-height: 1.55; color: var(--secondary); flex: 1; }
.why-link { color: var(--ice-bright); font-weight: 650; font-size: 15px; text-decoration: none; margin-top: 6px; }
.why-link:hover, .why-link:focus-visible { color: #fff; text-decoration: underline; }

.message-showcase { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: center; }
.message-copy h2 { margin-bottom: 16px; }
.message-copy p { font-size: 19px; line-height: 1.55; color: var(--secondary); margin: 0 0 22px; }
.product-shots { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; margin: 0; }
.product-shot { margin: 0; flex: 0 1 280px; text-align: center; }
.product-shot figcaption { margin-top: 12px; font-size: 14px; line-height: 1.45; color: var(--secondary); }

.trust .privacy-header { margin-bottom: 30px; }
.trust-grid { display: grid; gap: 16px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.trust-card { border-radius: 20px; padding: 22px; }
.trust-card h3 { margin: 0 0 8px; font-size: 18px; color: #fff; }
.trust-card p { margin: 0; font-size: 15px; line-height: 1.55; color: var(--secondary); }
.trust-more { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 22px; }
.trust-more h3 { margin: 0; font-size: 15px; font-weight: 650; color: var(--ice); }
.chip-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chip-list li { padding: 6px 13px; border-radius: 999px; border: 1px solid var(--line); font-size: 14px; color: var(--secondary); }
.anchor-alias { position: relative; top: -90px; display: block; height: 0; }

.more-body { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.more-card { max-width: 720px; border-radius: 20px; padding: 22px 26px; text-align: center; }
.more-card h3 { margin: 0 0 8px; font-size: 19px; color: #fff; }
.more-card p { margin: 0; color: var(--secondary); font-size: 16px; line-height: 1.55; }
.more-body .feature-detail-links { justify-content: center; }
.translation .home-hub-link { justify-content: center; }

@media (max-width: 1100px) {
  .trust-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 899px) {
  .section { padding: 48px 0; }
  .hero { padding-top: 104px; padding-bottom: 20px; gap: 28px; }
  .hero-kicker { font-size: 19px; }
  .hero-headline { font-size: clamp(32px, 8.6vw, 46px); }
  .hero-shot { width: min(64vw, 300px); }
  .message-showcase { grid-template-columns: 1fr; gap: 28px; }
  .why-grid { margin-top: 24px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .why-card, .why-card:nth-child(-n+2) { grid-column: span 1; }
  .why-card:last-child:nth-child(odd) { grid-column: span 2; }
}
@media (max-width: 620px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-card, .why-card:nth-child(-n+2), .why-card:last-child:nth-child(odd) { grid-column: auto; }
}
@media (max-width: 520px) {
  .trust-grid { grid-template-columns: 1fr; }
  .product-shot { flex-basis: 78vw; }
}

/* 404 page (was inline; the site CSP refuses inline styles) */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
}
.error-card {
  max-width: 520px;
  width: 100%;
  padding: 48px 32px;
  border-radius: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.error-card img {
  width: 72px;
  height: 72px;
  border-radius: 18px;
}
.error-code {
  font-size: clamp(64px, 12vw, 96px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  margin: 0;
  color: var(--ice);
}
.error-title {
  font-size: 24px;
  font-weight: 650;
  margin: 0;
  color: var(--text);
}
.error-desc {
  font-size: 16px;
  line-height: 1.5;
  color: var(--secondary);
  margin: 0;
}
.error-alt {
  color: var(--muted);
  font-size: 14px;
}

/* /u/<number> and /i/<code>: the page a shared contact or invite link opens */
.link-value {
  margin: 0;
  font: 600 clamp(28px, 7vw, 40px)/1.1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.04em;
  color: var(--ice);
  overflow-wrap: anywhere;
}

/* Platforms: one card per place AiThao runs, with where it stands today.
   Status remains truthful; device headings link to the local platform pages. */
.platforms {
  padding-top: 40px;
}
.platform-grid {
  list-style: none;
  padding: 0;
  margin: 36px auto 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 980px;
}
.platform-card {
  padding: 26px 24px;
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.platform-card h3 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 650;
  color: #ffffff;
}
.platform-card p {
  margin: 0;
  line-height: 1.45;
}
.platform-status {
  font-size: 15px;
  font-weight: 600;
  color: var(--ice-bright);
}
.platform-status::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-inline-end: 8px;
  border-radius: 50%;
  background: currentColor;
  vertical-align: 0.1em;
}
.platform-card[data-status="development"] .platform-status {
  color: var(--muted);
}
.platform-req {
  font-size: 14px;
  color: var(--muted);
}
@media (max-width: 760px) {
  .platform-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .platform-card {
    padding: 20px;
  }
}

/* The fourth nav link (to #security) needs room the 840px pill does not
   have: on wide screens the pill grows to fit its links in one line (long
   languages wrapped them before); below that the link stays in the drawer. */
@media (min-width: 1200px) {
  .nav {
    width: fit-content;
    min-width: min(840px, calc(100% - 48px));
    max-width: calc(100% - 48px);
  }
  .nav-links a {
    white-space: nowrap;
  }
}
@media (max-width: 1199px) {
  .nav-links a[href="#security"] {
    display: none;
  }
}

/* Links from the homepage into the sections (Security Center, Platforms, and
   the row of hubs above the closing call to action). Built only in languages
   where those hubs exist. */
.home-hub-link { justify-content: center; }
.home-sections { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 0 auto 56px; }
.home-sections a { padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; color: var(--ice-bright); font-weight: 650; text-decoration: none; background: rgba(255, 255, 255, .04); }
.home-sections a:hover { color: #fff; border-color: #fff; }

/* Every homepage language as a plain link (the picker is a <select>, which a
   crawler does not follow). Quiet, one wrapped line under the footer. */
.footer .footer-languages {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
}
.footer .footer-languages a[aria-current="page"] { color: var(--text); }
.platform-status .store-cta { color: var(--ice-bright); font-weight: 600; text-decoration: none; }

/* Device details are useful before a store listing is public. */
.platform-card h3 a { color: inherit; text-decoration: none; display: inline-flex; align-items: center; gap: .4em; min-height: 44px; }
.platform-card h3 a:hover { text-decoration: underline; }
.platform-card h3 a:focus-visible { outline: 2px solid var(--ice-bright); outline-offset: 5px; }

/* A withdrawn screenshot falls back to the brand, never a lifestyle hero. */
.hero-brand { margin: auto; padding: 48px; }
.hero-brand img { border-radius: 38px; }
/* Liquid Glass homepage, selected 2026-09-28. Content panels are solid; only
   the floating navigation and the overlapping conversation use translucency. */
:root {
  color-scheme: light;
  --bg: #f5f5f7;
  --surface: #fff;
  --text: #1d1d1f;
  --secondary: #525463;
  --muted: #6e7080;
  --ice: #1d1d1f;
  --ice-bright: #0066cc;
  --cyan-accent: #0071e3;
  --line: rgba(18,28,51,.10);
  --line-strong: rgba(18,28,51,.18);
}
body { background:#f5f5f7; background-image:none; color:var(--text); }
.scene { background:radial-gradient(ellipse 43% 23% at 67% 9%,#d9e9ff 0%,transparent 100%),#f5f5f7; overflow:clip; }
.scene::after { display:none; }
.wrap { width:min(1400px,calc(100% - 96px)); }
.site-header { top:18px; }
.nav.glass,.site-header.scrolled .nav { width:min(920px,calc(100% - 48px)); height:54px; background:rgba(255,255,255,.70); border:1px solid rgba(255,255,255,.82); box-shadow:0 6px 24px rgba(28,58,108,.09),inset 0 1px rgba(255,255,255,.95); backdrop-filter:blur(22px) saturate(180%); -webkit-backdrop-filter:blur(22px) saturate(180%); }
.brand { color:#10121b; }
.brand img { width:32px; height:32px; box-shadow:none; }
.nav-links a { color:#424653; }
.nav-links a:hover,.nav-links a:focus-visible { color:#0066cc; }
.language-picker { background:rgba(255,255,255,.72); border-color:var(--line); color:var(--text); }
.language-picker:hover { background:#fff; border-color:var(--line-strong); }
.language-picker select,.language-picker option { color:var(--text); background:#fff; }
.mobile-drawer.glass { background:rgba(255,255,255,.90); color:var(--text); border-color:var(--line); box-shadow:0 18px 40px #253b581c; }
.menu-button span { background:var(--text); }
.section { padding:36px 0; }
.hero { grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr); gap:24px; min-height:0; padding-top:102px; padding-bottom:18px; align-items:center; }
.hero-copy { padding-bottom:0; }
.hero-badge { margin:0 0 18px; padding:0; border:0; background:none; backdrop-filter:none; color:#0066cc; font-size:12px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; }
.pulse-dot { background:#0071e3; box-shadow:none; width:6px; height:6px; }
.hero-kicker { display:none; }
.hero-headline { color:#08090d; font-size:clamp(45px,4.4vw,66px); line-height:1.02; letter-spacing:-.055em; max-width:780px; margin:0 0 18px; font-weight:750; }
.hero-subhead { color:#4f5363; font-size:clamp(17px,1.45vw,21px); line-height:1.5; margin:0 0 23px; max-width:680px; }
.hero-cta-cluster { gap:10px; }
.button-primary { min-height:52px; padding:0 28px; background:#0071e3; color:#fff; box-shadow:0 8px 20px #0066cc28,inset 0 1px #ffffff66; }
.button-primary:hover { background:#005fc7; box-shadow:0 10px 22px #0066cc35; }
.button-glass { min-height:52px; border:1px solid var(--line); background:rgba(255,255,255,.7); color:#1d1d1f; box-shadow:none; }
.button-glass:hover { background:#fff; color:#0066cc; box-shadow:0 5px 14px #123b6612; }
.glow-sweep::after { display:none; }
.hero-call-note { color:#747889; font-size:12px; line-height:1.5; max-width:570px; margin-top:13px; }
.hero-art,.hero-art:has(.hero-shot) { min-height:330px; display:block; isolation:isolate; overflow:visible; padding-top:12px; background:none; border-radius:0; }
.hero-art::before { content:''; position:absolute; inset:5% 0; border-radius:50%; background:radial-gradient(ellipse,#cfe4ff 0%,#e8f2ff88 35%,transparent 70%); z-index:-1; }
.conversation-art { width:min(100%,580px); height:300px; position:relative; margin:auto; }
.conversation-bubble { position:absolute; display:grid; place-items:center; border-radius:42% 45% 43% 40%; border:2px solid #ffffffd9; background:linear-gradient(135deg,#ffffffa6,#cfe3ff66 45%,#ffffffa0); box-shadow:inset 4px 5px 9px #ffffffef,inset -5px -8px 18px #4a9fff4a,0 18px 30px #4b80ba23,0 1px 3px #0066cc4a; backdrop-filter:blur(8px) saturate(160%); -webkit-backdrop-filter:blur(8px) saturate(160%); }
.conversation-bubble::after { content:''; position:absolute; bottom:-12px; left:13%; width:35px; height:25px; border-bottom:2px solid #ffffffd9; border-left:2px solid #ffffffd9; border-radius:0 0 0 100%; transform:skew(-18deg); background:#dceaff7d; }
.bubble-voice { z-index:2; width:56%; height:82%; left:3%; top:0; transform:rotate(-6deg); }
.bubble-words { z-index:1; width:56%; height:75%; right:0; top:16%; padding:30px 12px 20px 108px; transform:rotate(3deg); justify-items:start; align-content:center; gap:4px; color:#4f6490; font-size:clamp(16px,1.4vw,22px); line-height:1.2; }
.bubble-words span:first-child { color:#0066cc; font-weight:700; font-size:1.25em; }
.voice-wave { display:flex; align-items:center; gap:6px; height:120px; transform:rotate(6deg); }
.voice-wave i { display:block; width:8px; height:30%; border-radius:99px; background:linear-gradient(#4aa8ff,#0066e6); box-shadow:0 2px 5px #0071e344; }
.voice-wave i:nth-child(2),.voice-wave i:nth-child(8) { height:46%; }
.voice-wave i:nth-child(3),.voice-wave i:nth-child(7) { height:66%; }
.voice-wave i:nth-child(4),.voice-wave i:nth-child(6) { height:82%; }
.voice-wave i:nth-child(5) { height:100%; }
.hero-art .hero-shot { position:absolute; width:106px; right:-5px; bottom:-4px; margin:0; transform:rotate(4deg); z-index:3; }
.hero-shot img { border:2px solid #ffffffed; border-radius:18px; box-shadow:0 12px 28px #2d56702d; }
.section-copy { margin-bottom:18px; }
.section h2 { color:#12131b; font-size:clamp(28px,2.5vw,38px); line-height:1.12; letter-spacing:-.045em; }
.section-tag { color:#0071e3; background:none; border:0; padding:0; margin-bottom:8px; font-size:11px; letter-spacing:.1em; }
.why .section-copy { margin-bottom:12px; }
.why-grid { list-style:none; padding:0; margin:0; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:0; border-radius:24px; background:#fff; border:1px solid #e1e5ec; box-shadow:0 12px 35px #263e630b; overflow:hidden; }
.why-grid .why-card,.why-grid .signature-card,.why-grid .visual-voice,.why-grid .visual-capture { display:grid; grid-template-columns:minmax(0,1fr) 72px; grid-column:auto; min-height:198px; gap:12px; padding:26px 24px; border:0; border-radius:0; background:#fff; box-shadow:none; overflow:visible; align-items:start; }
.why-grid .why-card:not(:nth-child(3n)) { border-inline-end:1px solid var(--line); }
.why-grid .why-card:nth-child(n+4) { border-top:1px solid var(--line); }
.why-grid .why-card:hover { background:#fbfdff; transform:none; }
.feature-copy { grid-column:1; grid-row:1; min-width:0; display:flex; flex-direction:column; align-self:stretch; }
.why-card h3,.why-grid .signature-card h3,.why-card:nth-child(-n+2) h3 { color:#131622; font-size:clamp(19px,1.75vw,24px); line-height:1.17; letter-spacing:-.035em; margin:0 0 9px; }
.why-card p,.why-card:nth-child(-n+2) p { color:#5c6273; font-size:14px; line-height:1.42; margin:0 0 5px; flex:0 0 auto; }
.why-link { color:#0066cc; font-size:13px; margin-top:auto; padding-top:8px; font-weight:650; }
.why-link:hover,.why-link:focus-visible { color:#004eac; }
.feature-symbol { grid-column:2; grid-row:1; width:72px; height:72px; border-radius:23px; display:grid; place-items:center; color:#0071e3; background:radial-gradient(circle at 28% 22%,#fff,#e8f3ff 58%,#cddfff); border:1px solid #dceaff; box-shadow:inset 0 2px 3px #fff,0 8px 18px #2671bd1c; }
.feature-symbol svg { width:42px; height:42px; }
.privacy.trust { padding:38px 0; background:transparent; border:0; }
.privacy-intro { display:grid; grid-template-columns:64px minmax(0,1fr); gap:24px; align-items:center; margin:0 0 22px; }
.privacy-mark { width:64px; height:64px; display:grid; place-items:center; border-radius:18px; color:#0071e3; background:#e7f2ff; }
.privacy-mark svg { width:45px; height:45px; }
.privacy-intro .privacy-header { margin:0; text-align:start; }
.privacy-intro h2 { margin:0 0 5px; font-size:clamp(25px,2.4vw,34px); }
.privacy-intro .privacy-subhead { margin:0; max-width:760px; font-size:15px; color:#596071; }
.privacy .trust-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:0; border:1px solid var(--line); border-radius:18px; background:#fff; overflow:hidden; }
.privacy .trust-card.glass { padding:18px; border:0; border-inline-end:1px solid var(--line); border-radius:0; background:#fff; box-shadow:none; backdrop-filter:none; }
.privacy .trust-card.glass:last-child { border-inline-end:0; }
.trust-card h3 { color:#171923; font-size:16px; line-height:1.2; }
.trust-card p { color:#606674; font-size:13px; line-height:1.45; }
.privacy .home-hub-link { margin-top:12px; }
.how-it-works,.platforms { border:0; padding-block:38px; }
.how-it-works .section-copy p { color:#626777; font-size:16px; }
.story-grid { gap:0; margin:20px 0 0; border:1px solid var(--line); border-radius:20px; background:#fff; overflow:hidden; }
.story-card { padding:22px; border:0; border-radius:0; box-shadow:none; background:#fff; }
.story-card + .story-card { border-inline-start:1px solid var(--line); }
.story-card-media { height:auto; background:none; }
.story-badge,.story-badge.accent { color:#0071e3; font-size:12px; }
.story-card-body { padding:8px 0 0; text-align:start; }
.story-card-body h3 { color:#181a22; font-size:18px; }
.story-card-body p { color:#606674; font-size:14px; line-height:1.48; font-weight:400; }
.platforms .privacy-header { margin-bottom:20px; }
.platforms .privacy-subhead { color:#606674; font-size:16px; }
.platform-grid { grid-template-columns:repeat(5,minmax(0,1fr)); gap:0; border:1px solid var(--line); border-radius:20px; background:#fff; overflow:hidden; }
.platform-card.glass { background:#fff; border:0; border-inline-end:1px solid var(--line); border-radius:0; box-shadow:none; backdrop-filter:none; }
.platform-card.glass:last-child { border-inline-end:0; }
.platform-card h3 { color:#151821; }
.platform-card p,.platform-card .platform-req { color:#626777; }
.device-symbol { color:#0071e3; stroke:#0071e3; }
.footer { color:#737889; border-color:var(--line); min-height:0; padding:24px 0 35px; }
.footer strong { color:#141722; }
.footer a { color:#686e80; }
.footer a:hover { color:#0066cc; }
@media(max-width:1100px) {
  .wrap { width:min(100% - 56px,1400px); }
  .hero-headline { font-size:clamp(44px,5vw,64px); }
  .why-grid .why-card,.why-grid .signature-card,.why-grid .visual-voice,.why-grid .visual-capture { grid-template-columns:minmax(0,1fr) 58px; padding:22px 19px; min-height:200px; }
  .feature-symbol { width:58px; height:58px; border-radius:17px; }.feature-symbol svg { width:35px; height:35px; }
}
@media(max-width:800px) {
  .hero { grid-template-columns:1fr; gap:10px; padding-top:100px; }
  .hero-art,.hero-art:has(.hero-shot) { min-height:300px; max-width:570px; width:100%; margin:auto; }
  .why-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .why-grid .why-card:not(:nth-child(3n)) { border-inline-end:0; }
  .why-grid .why-card:nth-child(odd) { border-inline-end:1px solid var(--line); }
  .why-grid .why-card:nth-child(n+3) { border-top:1px solid var(--line); }
  .privacy .trust-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .privacy .trust-card.glass:nth-child(2) { border-inline-end:0; }
  .privacy .trust-card.glass:nth-child(n+3) { border-top:1px solid var(--line); }
}
@media(max-width:620px) {
  .wrap { width:min(100% - 32px,1400px); }
  .site-header { top:10px; }
  .nav.glass,.site-header.scrolled .nav { width:calc(100% - 20px); }
  .hero { display:grid; padding-top:88px; gap:2px; }
  .hero-copy { display:block; }
  .hero-badge { margin-bottom:12px; }
  .hero-headline { font-size:clamp(36px,9.2vw,52px); line-height:1.04; }
  .hero-subhead { font-size:16px; margin-bottom:17px; }
  .hero-call-note { display:none; }
  .hero-art,.hero-art:has(.hero-shot) { min-height:200px; }
  .conversation-art { height:190px; max-width:390px; }
  .bubble-voice { width:57%; height:80%; }.bubble-words { width:58%; height:76%; font-size:14px; padding:15px 10px 10px 68px; }
  .voice-wave { height:78px; gap:4px; }.voice-wave i { width:5px; }
  .hero-art .hero-shot { width:70px; right:0; bottom:0; }
  .why .section-copy { text-align:start; }
  .why-grid { grid-template-columns:1fr; border-radius:18px; }
  .why-grid .why-card,.why-grid .signature-card,.why-grid .visual-voice,.why-grid .visual-capture { grid-column:1; min-height:0; padding:20px; grid-template-columns:minmax(0,1fr) 54px; }
  .why-grid .why-card:nth-child(odd) { border-inline-end:0; }
  .why-grid .why-card + .why-card { border-top:1px solid var(--line); }
  .why-card h3,.why-grid .signature-card h3 { font-size:20px; }
  .feature-symbol { width:54px; height:54px; }.feature-symbol svg { width:32px; height:32px; }
  .privacy-intro { grid-template-columns:50px 1fr; gap:14px; }.privacy-mark { width:50px; height:50px; border-radius:14px; }.privacy-mark svg { width:35px; height:35px; }
  .privacy .trust-grid { grid-template-columns:1fr; }
  .privacy .trust-card.glass { border-inline-end:0; }
  .privacy .trust-card.glass + .trust-card.glass { border-top:1px solid var(--line); }
  .story-grid { display:block; }.story-card + .story-card { border-inline-start:0; border-top:1px solid var(--line); }
  .platform-grid { display:block; }.platform-card.glass { border-inline-end:0; }.platform-card.glass + .platform-card.glass { border-top:1px solid var(--line); }
}
@media(prefers-reduced-transparency:reduce) { .nav.glass,.site-header.scrolled .nav { background:#fff; } .conversation-bubble { background:#e8f3ff; } }
@media(prefers-reduced-motion:reduce) { .pulse-dot { animation:none; } }
/* Small narrative scenes: vector art, no embedded text or fabricated app UI. */
.thematic-art{display:block;position:relative;isolation:isolate;width:100%;height:112px;flex:none;overflow:hidden}
.thematic-art svg{display:block;width:100%;height:100%;overflow:visible;filter:drop-shadow(0 7px 9px #3065a315)}
.thematic-art .art-wave rect{transform-box:fill-box;transform-origin:center;animation:art-wave-pulse 1.2s ease-in-out 3}
.thematic-art .art-wave rect:nth-child(2n){animation-delay:.14s}.thematic-art .art-wave rect:nth-child(3n){animation-delay:.28s}
.thematic-art .art-travel{animation:art-travel 1.8s ease-in-out 2}
.thematic-art .art-spark{transform-box:fill-box;transform-origin:center;animation:art-spark 1.8s ease-in-out 2}
@keyframes art-wave-pulse{0%,100%{transform:scaleY(1)}50%{transform:scaleY(.45)}}
@keyframes art-travel{0%,100%{opacity:1;transform:translateX(0)}50%{opacity:.55;transform:translateX(5px)}}
@keyframes art-spark{0%,100%{transform:scale(1)}50%{transform:scale(1.18)}}
.why-grid .why-card{display:flex;flex-direction:column;gap:10px;min-height:0}
.why-card .thematic-art{height:96px;max-width:240px;margin:0 auto}
.why-card .feature-copy{width:100%;flex:1}
.why-card .why-link{margin-top:auto}
.trust-card .thematic-art{height:90px;margin:0 0 10px}
.how-it-works .story-card-media{height:auto;aspect-ratio:auto;background:none;display:flex;flex-direction:column;align-items:flex-start;overflow:visible}
.how-it-works .story-card-media .thematic-art{height:126px;margin-bottom:10px}
.how-it-works .story-badge,.how-it-works .story-badge.accent{position:static;background:none;border:0;box-shadow:none;backdrop-filter:none;padding:0;color:#0066cc}
.how-it-works .story-card:hover{transform:none;box-shadow:none}
.platform-card .thematic-art{height:115px;margin:0 auto 12px;max-width:240px}
.hub-cards a .thematic-art{height:96px;margin:0 auto 4px;max-width:240px}
.article-grid + .thematic-art{display:none}
main.container > article > .thematic-art{height:190px;max-width:550px;margin:-22px auto 30px}
@media(max-width:1100px){.why-grid .why-card{display:flex;min-height:0;grid-template-columns:none}}
@media(max-width:760px){.platforms .platform-card{display:flex;flex-direction:column;align-items:flex-start}.platform-card .thematic-art{height:100px;margin:0 auto 12px}}
@media(max-width:620px){.why-grid .why-card{display:flex;padding:20px;min-height:0}.why-card .thematic-art{height:88px;max-width:220px}.trust-card .thematic-art{height:86px;max-width:220px;margin:0 auto 10px}.how-it-works .story-card-media .thematic-art{height:115px}.hub-cards a .thematic-art{height:88px}main.container > article > .thematic-art{height:150px}}
@media(prefers-reduced-motion:reduce){.thematic-art .art-wave rect,.thematic-art .art-travel,.thematic-art .art-spark{animation:none}}

.scene .thematic-art .art-wave rect,.scene .thematic-art .art-travel,.scene .thematic-art .art-spark{animation-play-state:paused}
.scene .thematic-art.art-visible .art-wave rect,.scene .thematic-art.art-visible .art-travel,.scene .thematic-art.art-visible .art-spark{animation-play-state:running}
.voice-wave i{transform-origin:center;animation:art-wave-pulse 1.2s ease-in-out 3}
.voice-wave i:nth-child(2n){animation-delay:.14s}
@media(prefers-reduced-motion:reduce){.voice-wave i{animation:none}}
/* Three main capabilities get a more expressive scene without growing the text. */
.why-card:nth-child(-n+3) .thematic-art{height:122px;max-width:290px}
.feature-details{margin:7px 0 10px;font-size:13px;line-height:1.45;color:#606674}
.feature-details summary{width:fit-content;cursor:pointer;padding:4px 0;color:#0066cc;font-weight:600;min-height:28px}
.feature-details[open] summary{margin-bottom:6px}
.feature-details p{padding:8px 10px;border-inline-start:2px solid #c8e0ff;background:#f5f9ff;border-radius:0 8px 8px 0}
.real-examples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-width:700px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}
.real-example{margin:0;padding:24px;display:flex;flex-direction:column;align-items:center;gap:15px}
.real-example + .real-example{border-inline-start:1px solid var(--line)}
.example-image{display:block;width:180px;max-width:100%;transition:transform .2s ease}
.example-image:hover{transform:translateY(-3px)}
.example-image img{display:block;width:100%;height:auto;border-radius:18px;border:1px solid #cfd7e4;box-shadow:0 9px 24px #263e6324}
.real-example figcaption{text-align:center;font-size:15px;line-height:1.3;font-weight:650}
.real-example figcaption a{color:#0066cc;text-decoration:none}
@media(max-width:620px){.why-card:nth-child(-n+3) .thematic-art{height:110px;max-width:260px}.real-example{padding:18px 12px}.example-image{width:145px}.real-example figcaption{font-size:13px}.feature-details summary{min-height:44px;display:list-item}}
@media(prefers-reduced-motion:reduce){.example-image{transition:none}.example-image:hover{transform:none}}
.feature-details summary{min-height:44px}
.example-image{height:280px;width:auto;max-width:100%}
.example-image img{height:100%;width:auto;max-width:100%;object-fit:contain}
@media(max-width:620px){.example-image{height:220px;width:auto}}
/* One device vocabulary, one panel; links lead to installation or platform details. */
.device-icon{width:58px;height:58px;display:block;color:var(--text,#1d1d1f);flex-shrink:0}
.hero-art#platforms{min-height:0;padding:0;scroll-margin-top:110px}
.hero-art#platforms::before{display:none}
.device-picker{background:var(--surface,#fff);border:1px solid var(--line);border-radius:22px;box-shadow:0 1px 3px #00000005,0 14px 40px #00000005;overflow:hidden}
.device-picker h2{font-size:18px;letter-spacing:-.02em;margin:0;padding:22px 24px 8px;color:var(--text,#1d1d1f)}
.device-picker ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}
.device-picker li{min-width:0;border-inline-end:1px solid var(--line)}
.device-picker li:last-child{border-inline-end:0}

.device-link{display:flex;align-items:center;flex-direction:column;gap:8px;min-height:142px;padding:20px 6px;color:var(--text,#1d1d1f);text-decoration:none;transition:background .2s}
.device-link:hover{background:#f5f5f7;color:var(--accent,#0066cc)}
.device-link:focus-visible,.download-button:focus-visible{outline:3px solid var(--accent,#0066cc);outline-offset:-4px}
.device-link strong{font-size:16px;font-weight:600;line-height:1.3}
.device-link span{font-size:12px;line-height:1.4;color:var(--accent,#0066cc);text-align:center;overflow-wrap:anywhere}
.download-section{scroll-margin-top:110px}
.apple-download{display:flex;align-items:flex-start;gap:22px;background:var(--surface,#fff);border:1px solid var(--line);border-radius:22px;margin-bottom:18px}
.apple-download h3{margin-top:0}.apple-download p{margin:10px 0}.apple-download .store-cta{display:inline-flex;align-items:center;gap:8px;margin-top:4px;min-height:44px}
.app-store-badge{display:inline-block;padding:10px;line-height:0}.app-store-badge img{display:block;height:40px;width:auto;max-width:100%}.app-store-badge:focus-visible{outline:3px solid var(--accent,#0066cc);border-radius:8px}.picker-store{text-align:center;padding:0 12px 8px}
.download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;background:var(--surface,#fff);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.download-panel{min-width:0;padding:24px;scroll-margin-top:110px}
.download-panel+.download-panel{border-inline-start:1px solid var(--line)}
.download-panel h3{font-size:22px;letter-spacing:-.02em;margin:14px 0 20px}
.download-panel small{font-size:13px;font-weight:400;color:var(--muted)}
.download-panel ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.download-button{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:48px;padding:12px 16px;border-radius:12px;background:var(--accent,#0066cc);color:white;text-decoration:none;font-size:14px;line-height:1.4;overflow-wrap:anywhere}
.download-button:hover{background:#005fc7;color:white}
.download-panel .download-help{font-size:12px;line-height:1.7;margin-top:16px;color:var(--muted)}
.download-panel details{font-size:12px;color:var(--muted);margin-top:12px}
.download-panel summary{min-height:44px;cursor:pointer;display:flex;align-items:center}
.download-panel code{display:block;overflow-wrap:anywhere;font-size:11px;line-height:1.7}
@media(max-width:620px){.device-link{min-height:124px;padding:16px 3px}.device-picker h2{padding:18px 20px 6px}.device-icon{width:38px;height:38px}.download-grid{grid-template-columns:1fr}.download-panel+.download-panel{border-inline-start:0;border-top:1px solid var(--line)}.hero-art#platforms{margin-top:20px;margin-bottom:12px}.device-link strong{font-size:12px}.device-link span{font-size:10px}}
@media(prefers-reduced-motion:reduce){.device-link{transition:none}}

:where(img){height:auto}