/* 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);
}

/* 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;
}

.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;
}

.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);
}

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

.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);
}

.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);
}

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

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

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

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

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

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

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

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

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

.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; }
}

/* 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;
}

/* 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);
}

/* 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;
}

/* 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;
  }

  .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;
  }

  .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;
  }

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

  /* 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;
  }

  /* 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;
  }

  .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;
}

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

/* ── The two phones running the app ──────────────────────────────────────
   The phone is the prototype's own — shell, island, side buttons, the glow
   underneath. The page only decides how much room it gets and scales the
   whole thing as one piece, so nothing inside learns it is small. */
.app-stage {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: clamp(20px, 3vw, 44px);
  margin-top: 44px;
  flex-wrap: wrap;
}

.app-phone {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
  min-width: 0;
}

.app-phone figcaption {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 9999px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

/* Which phone is which, without a word: the caller green, the callee blue. */
.app-phone figcaption::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px #34d399, 0 0 14px rgba(52, 211, 153, 0.6);
}

.app-phone:last-of-type figcaption::before {
  background: #38bdf8;
  box-shadow: 0 0 8px #38bdf8, 0 0 14px rgba(56, 189, 248, 0.6);
}

/* 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;
}

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

/* The case is laid out at a real phone's size and scaled as one piece, so the
   buttons stay where they belong and the screen inside never learns it is
   small. */
.app-phone .iphone-hardware {
  --phone-w: 390px;
  --phone-target: clamp(258px, 24vw, 330px);
  --phone-scale: calc(var(--phone-target) / var(--phone-w));
  /* The screen inside the case, and what the app's own 412 by 874 has to
     become to fit it: 390 wide less 10px of case on each side. Plain numbers,
     not lengths — a ratio in pixels makes scale() invalid, the transform is
     dropped without a word, and the app stands at full size behind a shorter
     window with its bottom row cut off. */
  --screen-w: 370;
  --screen-h: 781;
  /* Whichever fits — the height is the tighter of the two, and being three
     pixels out is what hides a row of call buttons. */
  --screen-scale: min(calc(var(--screen-w) / 412), calc(var(--screen-h) / 874));
  width: var(--phone-w);
  transform: scale(var(--phone-scale));
  transform-origin: top center;
  /* A scaled element still occupies its unscaled height; this takes back the
     difference so the section does not end in empty space. */
  margin-bottom: calc((var(--phone-w) * 18.5 / 9) * (var(--phone-scale) - 1));
}

.app-phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 42px;
  overflow: hidden;
  background: #060a12;
  position: relative;
}

/* The app lays itself out at 412 by 874 — a real phone — and the whole of it
   is scaled into whatever the case leaves. Letting it stretch to fit instead
   cut the bottom off: on the call screen that meant no way to hang up, with
   the call still running. */
.app-phone-screen > iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 412px;
  height: 874px;
  border: 0;
  display: block;
  color-scheme: dark;
  transform: scale(var(--screen-scale, 1));
  transform-origin: top left;
}

@media (max-width: 640px) {
  /* Side by side stops being useful here: two phones across a 400px screen
     leave too little of each to read. Stacked, both are still on the page —
     which is what was actually wrong before, when the second one was gone. */
  .app-stage {
    flex-direction: column;
    align-items: center;
    gap: 36px;
  }
  .app-phone .iphone-hardware {
    --phone-target: clamp(280px, 80vw, 340px);
  }
}




/* 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;
}

/* Russian SEO content links in the homepage footer. */
.seo-footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px;max-width:580px}

/* 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); }
}