:root {
  --ink: #0a0d0f;
  --ink-soft: #121719;
  --ink-2: #1b2022;
  --paper: #f3f0e9;
  --paper-2: #e9e5dc;
  --paper-3: #ded9cf;
  --white: #fffdf8;
  --muted: #6f726f;
  --muted-dark: #a6aaa7;
  --copper: #d5a067;
  --copper-light: #efc693;
  --line: rgba(10, 13, 15, 0.14);
  --line-light: rgba(255, 255, 255, 0.16);
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 38px;
  --container: 1220px;
  --header-height: 82px;
  --ease: cubic-bezier(.2, .75, .25, 1);
}

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

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.copy-mobile { display: none; }

main section[id] { scroll-margin-top: calc(var(--header-height) + 12px); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--copper-light);
  outline-offset: 3px;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform .2s ease;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, backdrop-filter .35s ease;
}

.site-header.scrolled {
  background: rgba(10, 13, 15, .86);
  border-bottom-color: rgba(255, 255, 255, .11);
  backdrop-filter: blur(18px);
}

.nav-shell {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand img { width: 38px; height: 38px; }
.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong { font-size: 18px; letter-spacing: .24em; }
.brand-copy small { margin-top: 6px; color: rgba(255,255,255,.55); font-size: 8px; letter-spacing: .2em; text-transform: uppercase; }

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(22px, 3vw, 42px);
  margin-left: auto;
}

.desktop-nav a {
  position: relative;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  letter-spacing: .04em;
  transition: color .2s ease;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 1px;
  background: var(--copper-light);
  transition: right .25s var(--ease);
}

.desktop-nav a:hover { color: var(--white); }
.desktop-nav a:hover::after { right: 0; }

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

.language-switch {
  display: flex;
  align-items: center;
  padding: 3px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  background: rgba(7,9,10,.28);
}

.language-switch button {
  min-width: 34px;
  height: 28px;
  padding: 0 8px;
  border: 0;
  border-radius: 999px;
  color: rgba(255,255,255,.55);
  background: transparent;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .05em;
  cursor: pointer;
  transition: color .2s ease, background .2s ease;
}

.language-switch button[aria-pressed="true"] {
  color: var(--ink);
  background: var(--white);
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: .02em;
  transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s var(--ease);
}

.button:hover { transform: translateY(-2px); }
.button-small { min-height: 40px; padding-inline: 19px; font-size: 12px; }
.button-light { color: var(--ink); background: var(--white); }
.button-light:hover { background: var(--copper-light); }
.button-primary { color: var(--ink); background: var(--copper-light); box-shadow: 0 14px 32px rgba(213,160,103,.16); }
.button-primary:hover { background: #ffd5a3; }

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 17px;
  height: 1px;
  margin: 5px auto;
  background: var(--white);
  transition: transform .25s ease;
}

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

.mobile-nav {
  display: none;
  padding: 18px 24px 26px;
  background: var(--ink);
  border-top: 1px solid rgba(255,255,255,.1);
}

.mobile-nav a { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.08); }

.hero {
  position: relative;
  min-height: 940px;
  height: 100svh;
  max-height: 1080px;
  display: flex;
  align-items: stretch;
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("assets/avrora-voice-command-hero-v3.png");
  background-image: image-set(url("assets/avrora-voice-command-hero-v3.webp") type("image/webp"), url("assets/avrora-voice-command-hero-v3.png") type("image/png"));
  background-size: cover;
  background-position: left center;
  transform: scale(1.01);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(5,7,8,.74) 0%, rgba(5,7,8,.55) 33%, rgba(5,7,8,.08) 66%, rgba(5,7,8,.08) 100%),
    linear-gradient(180deg, rgba(5,7,8,.38) 0%, transparent 32%, transparent 68%, rgba(5,7,8,.87) 100%);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  align-items: center;
  gap: 60px;
  padding-top: calc(var(--header-height) + 38px);
  padding-bottom: 140px;
}

.hero-copy { max-width: 820px; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 28px;
  color: rgba(255,255,255,.66);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
}

.eyebrow span { width: 28px; height: 1px; background: var(--copper); }
.eyebrow.dark { color: #737570; }
.eyebrow.light { color: rgba(255,255,255,.55); }

h1, h2, h3, h4, p { margin-top: 0; }

h1, h2, h3 {
  font-family: "Segoe UI", Inter, Arial, sans-serif;
  font-weight: 470;
  letter-spacing: -.045em;
}

h1 {
  max-width: 840px;
  margin-bottom: 30px;
  font-size: clamp(52px, 6vw, 88px);
  line-height: .99;
}

h1 em { color: var(--copper-light); font-style: normal; }

.hero-lead {
  max-width: 690px;
  margin-bottom: 38px;
  color: rgba(255,255,255,.66);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.65;
}

.hero-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.78);
  font-size: 13px;
  font-weight: 620;
  transition: color .2s ease;
}

.text-link span { color: var(--copper-light); transition: transform .25s var(--ease); }
.text-link:hover { color: var(--white); }
.text-link:hover span { transform: translate(3px, 3px); }
.dark-link { color: var(--ink); }
.dark-link:hover { color: #7d542d; }

.voice-demo {
  align-self: end;
  width: 100%;
  margin-bottom: 45px;
  padding: 20px 22px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 20px;
  background: rgba(12,15,17,.48);
  box-shadow: 0 30px 70px rgba(0,0,0,.22);
  backdrop-filter: blur(20px);
}

.voice-demo-head { display: flex; align-items: center; gap: 9px; color: rgba(255,255,255,.7); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #8be0b1; box-shadow: 0 0 0 5px rgba(139,224,177,.1), 0 0 16px rgba(139,224,177,.65); }
.local-tag { margin-left: auto; color: var(--copper-light); font-size: 9px; }
.voice-demo-head b { display: inline-grid; place-items: center; width: 19px; height: 19px; margin-right: 5px; border-radius: 50%; color: var(--ink); background: var(--copper-light); font-size: 9px; }
.voice-demo p { margin: 16px 0 14px; color: var(--white); font-size: 14px; }
.voice-demo .spoken-command { margin-top: 6px; font-size: 20px; line-height: 1.35; letter-spacing: -.02em; }

.wave { height: 35px; display: flex; align-items: center; gap: 4px; margin-top: 14px; }
.wave i { width: 2px; height: 8px; border-radius: 4px; background: var(--copper-light); opacity: .82; animation: wave 1.2s ease-in-out infinite alternate; }
.wave i:nth-child(2n) { animation-delay: -.3s; }
.wave i:nth-child(3n) { animation-delay: -.7s; }
.wave i:nth-child(4n) { animation-delay: -.95s; }

@keyframes wave { from { height: 5px; opacity: .45; } to { height: 29px; opacity: 1; } }

.voice-route { display: flex; align-items: center; gap: 9px; color: rgba(255,255,255,.5); font-size: 9px; letter-spacing: .08em; }
.voice-route b { flex: 1; height: 1px; background: linear-gradient(90deg, rgba(255,255,255,.08), rgba(213,160,103,.7)); }
.voice-route .route-check { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; color: var(--ink); background: #8be0b1; font-weight: 800; }

.vehicle-result { margin-top: 18px; padding: 13px 14px; border: 1px solid rgba(139,224,177,.2); border-radius: 13px; background: rgba(139,224,177,.09); }
.vehicle-result-label { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; color: rgba(255,255,255,.56); font-size: 9px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.vehicle-result-label b { display: inline-grid; place-items: center; width: 19px; height: 19px; border-radius: 50%; color: var(--ink); background: #8be0b1; font-size: 9px; }
.vehicle-result-value { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 11px; color: var(--white); }
.vehicle-result-value span { color: rgba(255,255,255,.62); font-size: 12px; }
.vehicle-result-value strong { font-size: 24px; font-weight: 570; letter-spacing: -.03em; }
.vehicle-result-value i { display: grid; place-items: center; width: 23px; height: 23px; border-radius: 50%; color: var(--ink); background: #8be0b1; font-style: normal; font-weight: 800; }

.hero-proof {
  position: absolute;
  z-index: 3;
  inset: auto 0 0;
  border-top: 1px solid rgba(255,255,255,.13);
  background: rgba(8,11,12,.56);
  backdrop-filter: blur(14px);
}

.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid > div { min-height: 112px; display: flex; flex-direction: column; justify-content: center; padding: 10px 28px; border-right: 1px solid rgba(255,255,255,.12); }
.proof-grid > div:first-child { padding-left: 0; }
.proof-grid > div:last-child { border-right: 0; }
.proof-grid strong { margin-bottom: 5px; color: var(--white); font-size: 15px; font-weight: 620; }
.proof-grid span { color: rgba(255,255,255,.48); font-size: 11px; }

.section { padding: 128px 0; }

.intro { padding-bottom: 90px; }
.intro-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 110px; align-items: end; }

.section-heading h2,
.compatibility-head h2,
.architecture-copy h2,
.contact-copy h2,
.faq-heading h2 {
  margin-bottom: 0;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.04;
}

.intro-copy { padding-bottom: 6px; }
.intro-copy p { margin-bottom: 28px; color: #60635f; font-size: 17px; line-height: 1.78; }

.factory-assurance { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; margin-top: 64px; padding: 30px 34px; border: 1px solid #ddd9cf; border-radius: 20px; background: #f8f6f0; box-shadow: 0 18px 48px rgba(20,24,25,.06); }
.assurance-mark { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; color: #153728; background: #bce8cd; font-size: 24px; font-weight: 800; }
.factory-assurance .mini-label { margin-bottom: 8px; color: #8a633b; }
.factory-assurance h3 { max-width: 770px; margin-bottom: 8px; font-size: clamp(23px, 2.2vw, 32px); line-height: 1.18; }
.factory-assurance > div > p:last-child { margin-bottom: 0; color: #686b67; font-size: 13px; line-height: 1.6; }
.assurance-points { display: grid; gap: 8px; min-width: 240px; }
.assurance-points span { padding: 10px 12px; border-radius: 10px; color: #3f4943; background: #ecefe9; font-size: 11px; font-weight: 650; }

.command-section { padding-top: 20px; }

.command-shell {
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  min-height: 690px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink);
  box-shadow: 0 42px 90px rgba(10,13,15,.12);
}

.command-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 540px;
  padding: 70px 30px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 43%, rgba(213,160,103,.2), transparent 34%),
    linear-gradient(150deg, #161b1d, #080b0c);
}

.command-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle, #000, transparent 72%);
}

.command-visual p { position: relative; margin: 42px 0 0; color: rgba(255,255,255,.7); text-align: center; font-size: 15px; line-height: 1.65; }
.command-visual p strong { display: block; max-width: 380px; color: var(--white); font-size: 17px; font-weight: 620; }
.command-visual p span { display: block; max-width: 390px; margin-top: 7px; color: rgba(255,255,255,.48); font-size: 12px; }

.factory-voice-card {
  position: relative;
  z-index: 2;
  width: min(390px, 88%);
  padding: 25px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 25px;
  background: linear-gradient(145deg, rgba(54,62,65,.96), rgba(14,18,20,.98));
  box-shadow: 0 28px 70px rgba(0,0,0,.42), inset 0 1px rgba(255,255,255,.12);
}

.factory-card-head { display: flex; align-items: center; gap: 10px; }
.factory-card-head strong { color: rgba(255,255,255,.64); font-size: 9px; font-weight: 650; letter-spacing: .13em; }
.factory-status { width: 8px; height: 8px; border-radius: 50%; background: #8be0b1; box-shadow: 0 0 0 5px rgba(139,224,177,.1), 0 0 18px rgba(139,224,177,.55); }
.factory-wave { height: 82px; display: flex; align-items: center; justify-content: center; gap: 7px; margin: 18px 0 13px; border-block: 1px solid rgba(255,255,255,.08); }
.factory-wave i { width: 3px; height: 20px; border-radius: 5px; background: var(--copper-light); }
.factory-wave i:nth-child(2), .factory-wave i:nth-child(8) { height: 36px; }
.factory-wave i:nth-child(3), .factory-wave i:nth-child(7) { height: 52px; }
.factory-wave i:nth-child(4), .factory-wave i:nth-child(6) { height: 66px; }
.factory-wave i:nth-child(5) { height: 42px; }
.factory-result { display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: 15px; background: rgba(255,255,255,.065); }
.factory-result > span { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 50%; color: var(--ink); background: #8be0b1; font-size: 12px; font-weight: 800; }
.factory-result div { display: flex; flex-direction: column; }
.factory-result strong { color: var(--white); font-size: 11px; }
.factory-result small { margin-top: 3px; color: rgba(255,255,255,.4); font-size: 8px; }
.factory-capabilities { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 15px; }
.factory-capabilities span { min-height: 63px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; border: 1px solid rgba(255,255,255,.08); border-radius: 12px; color: rgba(255,255,255,.56); font-size: 8px; }
.factory-capabilities svg { width: 20px; height: 20px; fill: none; stroke: var(--copper-light); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.orb { position: relative; width: 260px; height: 260px; display: grid; place-items: center; }
.orb::before, .orb::after { content: ""; position: absolute; border-radius: 50%; }
.orb::before { inset: 42px; border: 1px solid rgba(239,198,147,.35); box-shadow: inset 0 0 70px rgba(213,160,103,.12); }
.orb::after { inset: 76px; background: radial-gradient(circle at 35% 30%, #343a3d, #0e1214 60%); box-shadow: 0 18px 60px rgba(0,0,0,.55), inset 0 1px 1px rgba(255,255,255,.18); }
.orb-core { position: relative; z-index: 2; display: grid; place-items: center; width: 78px; height: 78px; }
.orbit { position: absolute; inset: 5px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; }
.orbit-one { animation: orbit 18s linear infinite; border-top-color: var(--copper); }
.orbit-two { inset: 24px; animation: orbit 12s linear infinite reverse; border-right-color: rgba(255,255,255,.45); }
.orbit::after { content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--copper-light); box-shadow: 0 0 18px rgba(239,198,147,.7); }
.orbit-one::after { top: 23px; left: 34px; }
.orbit-two::after { right: 10px; bottom: 58px; width: 5px; height: 5px; }

@keyframes orbit { to { transform: rotate(360deg); } }

.command-content { padding: 78px clamp(38px, 6vw, 86px); background: #111517; color: var(--white); }
.mini-label { margin-bottom: 26px; color: var(--copper-light); font-size: 9px; font-weight: 700; letter-spacing: .22em; }
.command-content > h3 { max-width: 560px; margin-bottom: 42px; font-size: clamp(35px, 4vw, 53px); line-height: 1.07; }
.command-list article { display: grid; grid-template-columns: 46px 1fr; gap: 10px; padding: 21px 0; border-top: 1px solid rgba(255,255,255,.1); }
.command-list article:last-child { border-bottom: 1px solid rgba(255,255,255,.1); }
.command-list article > span { color: var(--copper); font-size: 10px; }
.command-list h4 { margin: 0 0 6px; font-size: 16px; font-weight: 600; }
.command-list p { margin: 0; color: rgba(255,255,255,.5); font-size: 13px; }
.command-note { margin: 24px 0 0; color: rgba(255,255,255,.34); font-size: 9px; line-height: 1.65; }

.how-section { background: var(--white); }
.section-heading.centered { max-width: 780px; margin: 0 auto 70px; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.section-heading.centered > p:last-child { max-width: 580px; margin: 24px auto 0; color: #777a75; font-size: 16px; }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step-card { position: relative; min-height: 430px; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper); overflow: hidden; }
.step-card::after { content: ""; position: absolute; width: 170px; height: 170px; right: -80px; bottom: -90px; border-radius: 50%; background: rgba(213,160,103,.12); }
.step-number { color: #969891; font-size: 10px; letter-spacing: .12em; }
.step-icon { height: 128px; margin: 28px 0 12px; display: flex; align-items: center; justify-content: center; }
.step-card h3 { margin-bottom: 14px; font-size: 25px; }
.step-card p { margin-bottom: 22px; color: #70736e; font-size: 14px; line-height: 1.7; }
.step-card small { display: inline-block; color: #916236; font-size: 11px; font-weight: 620; }

.speak-icon { gap: 6px; }
.speak-icon i { width: 4px; border-radius: 4px; background: var(--ink); }
.speak-icon i:nth-child(1), .speak-icon i:nth-child(5) { height: 24px; opacity: .35; }
.speak-icon i:nth-child(2), .speak-icon i:nth-child(4) { height: 58px; opacity: .65; }
.speak-icon i:nth-child(3) { height: 88px; background: var(--copper); }

.translate-icon { gap: 16px; }
.translate-icon span { display: grid; place-items: center; width: 60px; height: 60px; border: 1px solid var(--line); border-radius: 18px; color: var(--ink); background: var(--white); font-size: 16px; font-weight: 700; }
.translate-icon span:last-child { color: var(--white); background: var(--ink); }
.translate-icon b { color: var(--copper); font-weight: 400; }

.day-time-icon { position: relative; }
.day-time-icon span { position: relative; z-index: 2; color: var(--ink); font-size: 29px; font-weight: 620; letter-spacing: -.04em; }
.day-time-icon i { position: absolute; width: 108px; height: 108px; border: 1px solid var(--line); border-radius: 50%; }
.day-time-icon i::before { content: ""; position: absolute; inset: 17px; border: 1px dashed rgba(213,160,103,.7); border-radius: 50%; }
.day-time-icon i::after { content: ""; position: absolute; width: 7px; height: 7px; right: 6px; top: 46px; border-radius: 50%; background: var(--copper); box-shadow: 0 0 14px rgba(213,160,103,.55); }

.car-icon span { position: relative; width: 124px; height: 50px; border: 2px solid var(--ink); border-radius: 42px 45px 16px 16px; }
.car-icon span::before { content: ""; position: absolute; left: 23px; right: 23px; top: -31px; height: 38px; border: 2px solid var(--ink); border-bottom: 0; border-radius: 50px 50px 0 0; transform: skewX(-8deg); }
.car-icon span::after { content: ""; position: absolute; left: 18px; bottom: -9px; width: 15px; height: 15px; border-radius: 50%; background: var(--ink); box-shadow: 73px 0 0 var(--ink); }

.architecture { color: var(--white); background: var(--ink); overflow: hidden; }
.architecture-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 90px; align-items: center; }
.architecture-copy > p:not(.eyebrow):not(.fine-print) { max-width: 570px; margin: 28px 0 35px; color: rgba(255,255,255,.58); font-size: 17px; line-height: 1.75; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { display: flex; align-items: center; gap: 12px; padding: 13px 0; border-top: 1px solid rgba(255,255,255,.09); color: rgba(255,255,255,.78); font-size: 13px; }
.check-list li:last-child { border-bottom: 1px solid rgba(255,255,255,.09); }
.check-list li span { display: grid; place-items: center; width: 21px; height: 21px; border-radius: 50%; color: var(--ink); background: var(--copper-light); font-size: 10px; font-weight: 800; }
.fine-print { max-width: 600px; margin: 25px 0 0; color: rgba(255,255,255,.34); font-size: 10px; line-height: 1.6; }

.capability-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.capability-tile {
  min-height: 130px;
  display: flex;
  align-items: center;
  gap: 17px;
  padding: 22px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  transition: transform .25s var(--ease), border-color .25s ease, background .25s ease;
}

.capability-tile:hover { transform: translateY(-3px); border-color: rgba(239,198,147,.42); background: rgba(255,255,255,.085); }
.capability-tile svg { flex: 0 0 auto; width: 34px; height: 34px; padding: 6px; border-radius: 10px; fill: none; stroke: var(--copper-light); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; background: rgba(213,160,103,.1); }
.capability-tile div { display: flex; flex-direction: column; }
.capability-tile strong { margin-bottom: 6px; color: var(--white); font-size: 13px; font-weight: 620; }
.capability-tile small { color: rgba(255,255,255,.43); font-size: 9px; line-height: 1.45; }

.device-stage { position: relative; min-height: 610px; display: grid; place-items: center; }
.device-stage::before { content: ""; position: absolute; inset: 12% 5%; border: 1px solid rgba(255,255,255,.07); border-radius: 50%; }
.device-stage::after { content: ""; position: absolute; inset: 22% 15%; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; }
.device-glow { position: absolute; width: 390px; height: 390px; border-radius: 50%; background: radial-gradient(circle, rgba(213,160,103,.19), transparent 68%); filter: blur(8px); }
.device { position: relative; z-index: 2; width: min(390px, 72%); aspect-ratio: 1.62; padding: 30px; border: 1px solid rgba(255,255,255,.18); border-radius: 31px; background: linear-gradient(145deg, #303638, #111517 58%); box-shadow: 0 45px 90px rgba(0,0,0,.55), inset 0 1px rgba(255,255,255,.13); transform: perspective(900px) rotateY(-12deg) rotateX(7deg); }
.device::before { content: ""; position: absolute; inset: 8px; border: 1px solid rgba(255,255,255,.06); border-radius: 25px; }
.device-top { position: relative; display: flex; align-items: center; gap: 14px; }
.device-top img { width: 38px; height: 38px; }
.device-top span { font-size: 16px; font-weight: 700; letter-spacing: .22em; }
.device-top i { width: 8px; height: 8px; margin-left: auto; border-radius: 50%; background: #8be0b1; box-shadow: 0 0 18px rgba(139,224,177,.75); }
.device-line { height: 1px; margin: 32px 0 19px; background: linear-gradient(90deg, var(--copper), transparent); }
.device-meta { display: flex; justify-content: space-between; color: rgba(255,255,255,.38); font-size: 8px; letter-spacing: .14em; }
.device-label { position: absolute; z-index: 4; display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.55); font-size: 10px; letter-spacing: .08em; }
.device-label i { width: 6px; height: 6px; border-radius: 50%; background: var(--copper); box-shadow: 0 0 0 5px rgba(213,160,103,.1); }
.device-label::after { content: ""; position: absolute; top: 50%; height: 1px; background: rgba(213,160,103,.42); }
.label-mic { top: 19%; left: 1%; }
.label-mic::after { left: calc(100% + 10px); width: 90px; }
.label-core { top: 36%; right: 0; }
.label-core::after { right: calc(100% + 10px); width: 82px; }
.label-voice { bottom: 25%; left: 0; }
.label-voice::after { left: calc(100% + 10px); width: 72px; }
.label-power { bottom: 14%; right: 10%; }
.label-power::after { right: calc(100% + 10px); width: 70px; }

.compatibility { background: var(--paper-2); }
.compatibility-head { display: grid; grid-template-columns: 1fr .62fr; gap: 100px; align-items: end; margin-bottom: 65px; }
.compatibility-head > p { margin: 0; color: #686b66; font-size: 16px; line-height: 1.75; }
.brand-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.brand-grid span { min-height: 100px; display: grid; place-items: center; padding: 14px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: #2a2e2d; background: rgba(255,255,255,.23); font-size: 15px; font-weight: 650; letter-spacing: .02em; text-align: center; transition: color .25s ease, background .25s ease; }
.brand-grid span:hover { color: var(--white); background: var(--ink); }
.compatibility-note { display: flex; align-items: flex-start; gap: 15px; margin-top: 28px; padding: 22px 25px; border-radius: var(--radius-sm); background: rgba(255,255,255,.48); }
.note-mark { display: grid; place-items: center; flex: 0 0 auto; width: 24px; height: 24px; border: 1px solid var(--ink); border-radius: 50%; font-family: Georgia, serif; font-style: italic; font-size: 12px; }
.compatibility-note p { margin: 0; color: #686b66; font-size: 12px; line-height: 1.65; }
.compatibility-note strong { color: var(--ink); }

.principles { background: var(--paper); }
.principles .section-heading { max-width: 740px; margin-bottom: 60px; }
.principle-grid { display: grid; grid-template-columns: 1.2fr .8fr; grid-template-rows: repeat(2, 280px); gap: 18px; }
.principle-card { position: relative; padding: 32px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.46); overflow: hidden; }
.principle-large { grid-row: 1 / 3; padding: 40px; color: var(--white); background: var(--ink-soft); }
.principle-index { position: relative; z-index: 2; color: #969891; font-size: 9px; letter-spacing: .13em; }
.principle-card h3 { position: relative; z-index: 2; margin: 0 0 10px; font-size: 26px; }
.principle-card p { position: relative; z-index: 2; max-width: 440px; margin: 0; color: #70736e; font-size: 13px; line-height: 1.7; }
.principle-large p { color: rgba(255,255,255,.52); }
.voice-life-card { min-height: 578px; justify-content: flex-end; isolation: isolate; background: #101719; }
.voice-life-photo { position: absolute; z-index: -2; inset: 0; background-image: url("assets/avrora-greeting-scene-v1.png"); background-image: image-set(url("assets/avrora-greeting-scene-v1.webp") type("image/webp"), url("assets/avrora-greeting-scene-v1.png") type("image/png")); background-position: 58% center; background-size: cover; background-repeat: no-repeat; transform: scale(1.01); }
.voice-life-card::after { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(7,11,12,.9) 0%, rgba(7,11,12,.42) 50%, rgba(7,11,12,.06) 78%), linear-gradient(180deg, rgba(7,11,12,.1), rgba(7,11,12,.05) 45%, rgba(7,11,12,.94) 100%); }
.voice-life-card .principle-index { position: absolute; top: 30px; left: 34px; color: rgba(255,255,255,.58); }
.voice-life-conversation { position: absolute; z-index: 2; top: 55px; left: 34px; width: min(330px, calc(100% - 68px)); display: grid; gap: 10px; }
.dialogue-bubble { width: fit-content; max-width: 100%; padding: 12px 15px; border: 1px solid rgba(255,255,255,.16); border-radius: 15px 15px 15px 4px; color: var(--white); background: rgba(12,17,19,.74); box-shadow: 0 14px 35px rgba(0,0,0,.18); backdrop-filter: blur(12px); }
.dialogue-bubble small { display: block; margin-bottom: 6px; color: rgba(255,255,255,.48); font-size: 8px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.dialogue-bubble strong { font-size: 18px; font-weight: 570; line-height: 1.3; }
.assistant-bubble { justify-self: end; border-color: rgba(139,224,177,.3); border-radius: 15px 15px 4px 15px; background: rgba(25,55,42,.74); }
.assistant-bubble small { color: #a4dfbb; }
.handled-tasks { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.handled-tasks span { display: inline-flex; align-items: center; gap: 6px; padding: 8px 10px; border: 1px solid rgba(255,255,255,.12); border-radius: 999px; color: rgba(255,255,255,.78); background: rgba(9,13,14,.62); font-size: 9px; backdrop-filter: blur(10px); }
.handled-tasks i { display: grid; place-items: center; width: 15px; height: 15px; border-radius: 50%; color: #0c2a1c; background: #8be0b1; font-style: normal; font-size: 8px; font-weight: 800; }
.voice-life-copy { position: relative; z-index: 2; max-width: 520px; }
.voice-life-copy h3 { max-width: 480px; font-size: 30px; line-height: 1.08; }
.voice-life-copy p { max-width: 460px; color: rgba(255,255,255,.66); }
.ceiling-visual { position: absolute; inset: 0; }
.ceiling-visual::before { content: ""; position: absolute; width: 450px; height: 450px; right: -70px; top: 36px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.ceiling-visual::after { content: ""; position: absolute; width: 250px; height: 250px; right: 30px; top: 134px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; }
.ceiling-visual span { position: absolute; z-index: 1; width: 104px; height: 104px; right: 103px; top: 207px; border: 1px solid rgba(255,255,255,.2); border-radius: 31px; background: linear-gradient(145deg, #303638, #111517); box-shadow: 0 22px 50px rgba(0,0,0,.35); transform: rotate(45deg); }
.ceiling-visual i { position: absolute; z-index: 2; width: 8px; height: 8px; right: 148px; top: 255px; border-radius: 50%; background: var(--copper-light); box-shadow: 0 0 16px rgba(239,198,147,.8); }
.privacy-icon { position: absolute; right: 32px; top: 27px; width: 54px; height: 54px; border: 1px solid var(--line); border-radius: 18px; }
.privacy-icon span { position: absolute; inset: 14px; border: 2px solid var(--ink); border-radius: 50% 50% 44% 44%; }
.privacy-icon span::after { content: ""; position: absolute; left: 50%; top: 7px; width: 6px; height: 10px; border: 2px solid var(--ink); border-radius: 5px; transform: translateX(-50%); }
.profile-icon { position: absolute; right: 28px; top: 27px; display: flex; }
.profile-icon span { display: grid; place-items: center; width: 46px; height: 46px; margin-left: -8px; border: 2px solid var(--paper); border-radius: 50%; color: var(--white); background: var(--ink); font-size: 10px; font-weight: 700; }
.profile-icon span:nth-child(2) { background: #646a69; }
.profile-icon span:nth-child(3) { color: var(--ink); background: var(--copper-light); }

.faq-section { background: var(--white); }
.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 110px; }
.faq-heading { position: sticky; top: 130px; align-self: start; }
.faq-heading > p:not(.eyebrow) { margin: 25px 0 26px; color: #71746f; font-size: 14px; line-height: 1.7; }
.accordion { border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { list-style: none; min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; font-size: 18px; font-weight: 580; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { position: relative; flex: 0 0 auto; width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 50%; }
.accordion summary span::before, .accordion summary span::after { content: ""; position: absolute; left: 8px; right: 8px; top: 13px; height: 1px; background: var(--ink); transition: transform .2s ease; }
.accordion summary span::after { transform: rotate(90deg); }
.accordion details[open] summary span::after { transform: rotate(0); }
.accordion details p { max-width: 760px; margin: -4px 46px 28px 0; color: #72756f; font-size: 14px; line-height: 1.75; }

.contact-section { position: relative; padding: 128px 0; color: var(--white); background: #101416; overflow: hidden; }
.contact-backdrop { position: absolute; inset: 0; background: radial-gradient(circle at 18% 35%, rgba(213,160,103,.17), transparent 32%), linear-gradient(120deg, transparent 58%, rgba(255,255,255,.035) 58%); }
.contact-backdrop::before, .contact-backdrop::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.055); border-radius: 50%; }
.contact-backdrop::before { width: 600px; height: 600px; left: -170px; top: -210px; }
.contact-backdrop::after { width: 420px; height: 420px; left: -80px; top: -120px; }
.contact-grid { position: relative; display: grid; grid-template-columns: 1.08fr .72fr; gap: 120px; align-items: center; }
.contact-copy h2 { max-width: 730px; }
.contact-copy > p:last-child { max-width: 630px; margin: 28px 0 0; color: rgba(255,255,255,.57); font-size: 16px; line-height: 1.75; }
.contact-panel { padding: 30px; border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-md); background: rgba(7,9,10,.4); backdrop-filter: blur(16px); }
.contact-panel > p:first-child { margin-bottom: 19px; color: rgba(255,255,255,.5); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.vehicle-check-form { display: grid; gap: 15px; }
.form-title { margin: 0 0 4px; color: var(--white); font-size: 17px; font-weight: 620; }
.vehicle-check-form label { display: grid; gap: 7px; }
.vehicle-check-form label > span { color: rgba(255,255,255,.48); font-size: 9px; letter-spacing: .04em; }
.vehicle-check-form input { width: 100%; height: 50px; padding: 0 15px; border: 1px solid rgba(255,255,255,.13); border-radius: 12px; outline: 0; color: var(--white); background: rgba(255,255,255,.055); font-size: 13px; transition: border-color .2s ease, background .2s ease; }
.vehicle-check-form input::placeholder { color: rgba(255,255,255,.26); }
.vehicle-check-form input:focus { border-color: var(--copper-light); background: rgba(255,255,255,.08); }
.vehicle-check-form input.invalid { border-color: #ef8d7e; }
.form-split { display: grid; grid-template-columns: .72fr 1.28fr; gap: 12px; }
.form-submit { width: 100%; border: 0; cursor: pointer; }
.form-help { margin: -5px 0 0; color: rgba(255,255,255,.28); font-size: 8px; text-align: center; }
.request-result { padding: 16px; border: 1px solid rgba(139,224,177,.25); border-radius: 14px; background: rgba(139,224,177,.07); }
.request-result > div { display: flex; align-items: center; gap: 9px; }
.request-result > div span { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; color: var(--ink); background: #8be0b1; font-size: 10px; font-weight: 800; }
.request-result > div strong { font-size: 11px; }
.request-result > p { margin: 12px 0; color: rgba(255,255,255,.55); font-size: 10px; line-height: 1.55; }
.request-result > button { padding: 0; border: 0; color: var(--copper-light); background: transparent; font-size: 10px; font-weight: 650; cursor: pointer; }
.social-mini-list { margin-top: 25px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }
.social-mini-list > p { margin: 0 0 12px; color: rgba(255,255,255,.36); font-size: 8px; letter-spacing: .13em; text-transform: uppercase; }
.social-mini { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid rgba(255,255,255,.07); color: rgba(255,255,255,.66); font-size: 10px; }
.social-mini:last-child { border-bottom: 1px solid rgba(255,255,255,.07); }
.social-mini strong { font-weight: 600; }
.social-mini span { color: rgba(255,255,255,.28); font-size: 8px; }
.social-mini.is-disabled { cursor: default; }
.social-mini:not(.is-disabled):hover { color: var(--white); }
.social-mini:not(.is-disabled) span { color: var(--copper-light); }
.social-button { min-height: 77px; display: grid; grid-template-columns: 40px 1fr auto; gap: 14px; align-items: center; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.1); transition: padding .25s var(--ease); }
.social-button:nth-of-type(3) { border-bottom: 1px solid rgba(255,255,255,.1); }
.social-button:hover { padding-left: 7px; }
.social-icon { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; color: var(--copper-light); font-size: 11px; font-weight: 800; }
.social-button > span:nth-child(2) { display: flex; flex-direction: column; }
.social-button strong { margin-bottom: 4px; font-size: 13px; }
.social-button small { color: rgba(255,255,255,.42); font-size: 10px; }
.social-button b { color: var(--copper-light); font-size: 15px; font-weight: 400; }
.contact-placeholder { margin: 18px 0 0; color: rgba(255,255,255,.3); font-size: 9px; }

.site-footer { padding: 64px 0 26px; color: var(--white); background: #07090a; }
.footer-main { display: grid; grid-template-columns: 1fr 1fr auto; gap: 70px; align-items: center; padding-bottom: 50px; }
.footer-brand img { width: 42px; height: 42px; }
.footer-main > p { max-width: 380px; margin: 0; color: rgba(255,255,255,.4); font-size: 12px; line-height: 1.65; }
.footer-links { display: flex; gap: 24px; color: rgba(255,255,255,.58); font-size: 11px; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.09); color: rgba(255,255,255,.3); font-size: 9px; letter-spacing: .04em; }

.toast { position: fixed; z-index: 200; right: 24px; bottom: 24px; display: flex; align-items: center; gap: 18px; max-width: min(400px, calc(100% - 48px)); padding: 15px 16px 15px 20px; color: var(--white); background: #202628; border: 1px solid rgba(255,255,255,.13); border-radius: 14px; box-shadow: 0 18px 60px rgba(0,0,0,.3); font-size: 12px; transform: translateY(150%); opacity: 0; transition: transform .35s var(--ease), opacity .35s ease; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast button { width: 26px; height: 26px; padding: 0; color: rgba(255,255,255,.7); background: transparent; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; cursor: pointer; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal-delay { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .22s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .desktop-nav { display: none; }
  .menu-button { display: block; }
  .mobile-nav.open { display: grid; }
  .hero-layout { grid-template-columns: 1fr; align-content: center; }
  .hero-copy { max-width: 780px; }
  .voice-demo { display: none; }
  .intro-grid, .compatibility-head { gap: 55px; }
  .command-shell { grid-template-columns: .8fr 1.2fr; }
  .architecture-grid { gap: 50px; }
  .brand-grid { grid-template-columns: repeat(3, 1fr); }
  .faq-grid { gap: 60px; }
  .contact-grid { gap: 60px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-links { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  :root { --header-height: 70px; }
  .container { width: min(calc(100% - 36px), var(--container)); }
  .nav-actions .button { display: none; }
  .brand-copy small { display: none; }
  .hero { min-height: 820px; height: 100svh; }
  .hero-media { background-position: 65% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(5,7,8,.94), rgba(5,7,8,.45)), linear-gradient(180deg, rgba(5,7,8,.5), transparent 42%, rgba(5,7,8,.94)); }
  .hero-layout { padding-bottom: 188px; }
  h1 { font-size: clamp(44px, 10.2vw, 70px); }
  .hero-lead { max-width: 620px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid > div { min-height: 76px; padding: 12px 18px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .proof-grid > div:first-child { padding-left: 0; }
  .proof-grid > div:nth-child(2) { border-right: 0; }
  .proof-grid > div:nth-child(3) { padding-left: 0; border-bottom: 0; }
  .proof-grid > div:nth-child(4) { border-bottom: 0; }
  .proof-grid strong { font-size: 12px; }
  .proof-grid span { font-size: 9px; }
  .section { padding: 90px 0; }
  .intro-grid, .architecture-grid, .compatibility-head, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
  .intro-grid { gap: 30px; }
  .factory-assurance { grid-template-columns: auto 1fr; }
  .assurance-points { grid-column: 1 / -1; grid-template-columns: repeat(2, 1fr); }
  .command-shell { grid-template-columns: 1fr; }
  .command-visual { min-height: 430px; }
  .command-content { padding: 55px 34px; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-card { min-height: 350px; }
  .step-icon { height: 100px; }
  .architecture-grid { gap: 20px; }
  .device-stage { min-height: 520px; }
  .compatibility-head { gap: 28px; }
  .brand-grid { grid-template-columns: repeat(3, 1fr); }
  .brand-grid span { min-height: 86px; font-size: 13px; }
  .principle-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .principle-card { min-height: 260px; }
  .principle-large { grid-row: auto; min-height: 480px; }
  .voice-life-card { min-height: 590px; }
  .faq-heading { position: static; }
  .contact-grid { gap: 50px; }
  .footer-main { grid-template-columns: 1fr; gap: 26px; }
  .footer-links { grid-column: auto; flex-wrap: wrap; }
}

@media (max-width: 560px) {
  :root { --header-height: 62px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .copy-desktop { display: none; }
  .copy-mobile { display: inline; }

  .nav-shell { gap: 8px; }
  .brand { gap: 8px; }
  .brand img { width: 30px; height: 30px; }
  .brand-copy strong { font-size: 13px; letter-spacing: .18em; }
  .nav-actions { gap: 6px; }
  .language-switch { padding: 2px; }
  .language-switch button { min-width: 30px; height: 30px; padding: 0 5px; font-size: 8px; }
  .menu-button { width: 38px; height: 38px; }
  .mobile-nav { padding: 10px 14px 16px; }
  .mobile-nav a { padding: 11px 0; font-size: 13px; }
  .mobile-nav a[href="#how"] { display: none; }

  .hero { height: auto; min-height: 700px; max-height: none; }
  .hero-media { background-position: 51% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(5,7,8,.94), rgba(5,7,8,.42)), linear-gradient(180deg, rgba(5,7,8,.58), transparent 40%, rgba(5,7,8,.96)); }
  .hero-layout { align-content: start; padding-top: 108px; padding-bottom: 126px; }
  .eyebrow { margin-bottom: 16px; font-size: 8px; }
  h1 { margin-bottom: 18px; font-size: clamp(36px, 10vw, 42px); line-height: 1.01; }
  .hero-lead { max-width: 355px; margin-bottom: 22px; font-size: 14px; line-height: 1.55; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 0; }
  .hero-actions .text-link { display: none; }
  .button { width: 100%; min-height: 50px; }
  .proof-grid > div { min-height: 54px; padding: 8px 8px 8px 0; }
  .proof-grid > div:nth-child(even) { padding-left: 12px; }
  .proof-grid strong { margin: 0; font-size: 10.5px; line-height: 1.25; }
  .proof-grid span { display: none; }

  .section { padding: 56px 0; }
  .section-heading h2, .compatibility-head h2, .architecture-copy h2, .contact-copy h2, .faq-heading h2 { font-size: 31px; line-height: 1.08; }

  .intro { padding: 48px 0 40px; }
  .intro-grid { gap: 16px; }
  .intro .section-heading .eyebrow,
  .intro-copy .text-link { display: none; }
  .intro-copy { padding: 0; }
  .intro-copy p { margin: 0; font-size: 14px; line-height: 1.6; }
  .factory-assurance { grid-template-columns: auto 1fr; gap: 14px; margin-top: 24px; padding: 16px 18px; }
  .assurance-mark { width: 42px; height: 42px; font-size: 18px; }
  .factory-assurance .mini-label { margin-bottom: 5px; font-size: 8px; }
  .factory-assurance h3 { margin: 0; font-size: 20px; line-height: 1.15; }
  .factory-assurance > div > p:last-child,
  .assurance-points { display: none; }

  .command-section { padding: 0 0 52px; }
  .command-shell { min-height: 0; border-radius: 22px; }
  .command-visual { display: none; }
  .command-content { padding: 28px 18px; }
  .command-content .mini-label { margin-bottom: 12px; }
  .command-content > h3 { margin-bottom: 20px; font-size: 27px; line-height: 1.08; }
  .command-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.1); border-left: 1px solid rgba(255,255,255,.1); }
  .command-list article,
  .command-list article:last-child { display: block; min-height: 94px; padding: 13px 10px; border: 0; border-right: 1px solid rgba(255,255,255,.1); border-bottom: 1px solid rgba(255,255,255,.1); }
  .command-list article > span { display: block; margin-bottom: 9px; }
  .command-list h4 { margin: 0; font-size: 13px; line-height: 1.25; }
  .command-list p { display: none; }
  .command-note { margin-top: 16px; font-size: 9px; }

  .how-section,
  .architecture { display: none; }

  .compatibility { padding: 52px 0; }
  .compatibility-head { gap: 14px; margin-bottom: 24px; }
  .compatibility-head .eyebrow { margin-bottom: 12px; }
  .compatibility-head > p { font-size: 13px; line-height: 1.55; }
  .brand-grid { grid-auto-flow: column; grid-template-columns: none; grid-template-rows: repeat(2, 58px); grid-auto-columns: minmax(116px, 38vw); overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x proximity; border: 0; padding-bottom: 8px; scrollbar-width: none; }
  .brand-grid::-webkit-scrollbar { display: none; }
  .brand-grid span { min-height: 58px; padding: 8px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); font-size: 10px; scroll-snap-align: start; }
  .compatibility-note { margin-top: 18px; padding: 14px; }

  .principles { padding: 48px 0; }
  .principles .section-heading,
  .principle-card:not(.principle-large) { display: none; }
  .principle-grid { display: block; }
  .voice-life-card { min-height: 510px; padding: 22px; }
  .voice-life-photo { background-position: 56% center; }
  .voice-life-card .principle-index { top: 20px; left: 22px; }
  .voice-life-conversation { top: 42px; left: 20px; width: calc(100% - 40px); gap: 6px; }
  .dialogue-bubble { padding: 10px 12px; }
  .dialogue-bubble small { margin-bottom: 4px; }
  .dialogue-bubble strong { font-size: 15px; }
  .handled-tasks { gap: 4px; }
  .handled-tasks span { padding: 6px 8px; font-size: 8px; }
  .voice-life-copy h3 { margin-bottom: 8px; font-size: 23px; }
  .voice-life-copy p { font-size: 12px; line-height: 1.55; }

  .faq-section { padding: 52px 0; }
  .faq-grid { gap: 18px; }
  .faq-heading .eyebrow,
  .faq-heading > p:not(.eyebrow),
  .faq-heading .text-link { display: none; }
  .accordion summary { min-height: 62px; gap: 12px; font-size: 14px; line-height: 1.35; }
  .accordion summary span { width: 26px; height: 26px; }
  .accordion details p { margin: 0 36px 20px 0; font-size: 13px; line-height: 1.6; }

  .contact-section { padding: 56px 0; }
  .contact-grid { gap: 24px; }
  .contact-copy .eyebrow { display: none; }
  .contact-copy > p:last-child { margin: 14px 0 0; font-size: 13px; line-height: 1.55; }
  .contact-panel { padding: 17px; }
  .vehicle-check-form { gap: 11px; }
  .form-title { font-size: 15px; }
  .vehicle-check-form input { height: 46px; }
  .form-split { grid-template-columns: 1fr; gap: 11px; }
  .social-mini-list { margin-top: 18px; padding-top: 14px; }
  .social-mini { min-height: 44px; }

  .site-footer { padding: 34px 0 18px; }
  .footer-main { gap: 12px; padding-bottom: 22px; }
  .footer-main > p,
  .footer-links,
  .footer-bottom > span:last-child { display: none; }
  .footer-bottom { justify-content: flex-start; padding-top: 16px; }
  .toast { right: 14px; bottom: 14px; max-width: calc(100% - 28px); }
}

@media (max-width: 420px) {
  h1 { font-size: clamp(36px, 10vw, 40px); }
  .hero-lead { font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}