:root {
  color-scheme: dark;
  --ink: #090a0c;
  --ink-soft: #111216;
  --surface: #16171b;
  --line: rgba(255, 255, 255, 0.11);
  --line-gold: rgba(242, 193, 78, 0.34);
  --text: #f5f2e9;
  --muted: #999a9d;
  --gold: #f2c14e;
  --gold-bright: #ffd66d;
  --gold-dark: #9f7622;
  --max: 1240px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background: var(--ink);
  color: var(--text);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--ink); color: var(--text); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { display: block; max-width: 100%; }

.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 14px; transform: translateY(-160%); background: var(--gold); color: #181307; font-weight: 800; }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease, height 180ms ease;
}
.site-header.scrolled { height: 64px; border-color: var(--line); background: rgba(9, 10, 12, 0.88); backdrop-filter: blur(18px); }
.brand { display: inline-flex; width: max-content; align-items: center; gap: 10px; font-size: 17px; font-weight: 850; letter-spacing: -0.04em; }
.brand img { object-fit: contain; }
.nav { display: flex; gap: 34px; color: #b0b0b2; font-size: 13px; }
.nav a, .header-login, .site-footer a { transition: color 140ms ease; }
.nav a:hover, .header-login:hover, .site-footer a:hover { color: var(--gold); }
.header-login { justify-self: end; display: flex; align-items: center; gap: 8px; color: var(--gold); font-size: 13px; font-weight: 750; }

.hero {
  position: relative;
  min-height: 860px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1.08fr);
  align-items: center;
  gap: 5vw;
  max-width: 1440px;
  margin: 0 auto;
  padding: 130px max(28px, calc((100vw - var(--max)) / 2)) 90px;
  isolation: isolate;
}
.hero::before { content: ""; position: absolute; inset: 0; z-index: -3; background: linear-gradient(90deg, rgba(9,10,12,0.5), transparent 52%), radial-gradient(circle at 80% 36%, rgba(242,193,78,0.09), transparent 32%); }
.hero::after { content: ""; position: absolute; z-index: -1; left: max(28px, calc((100vw - var(--max)) / 2)); right: max(28px, calc((100vw - var(--max)) / 2)); bottom: 0; height: 1px; background: var(--line); }
.hero-glow { position: absolute; z-index: -2; width: 560px; height: 560px; right: 5%; top: 17%; border-radius: 50%; background: radial-gradient(circle, rgba(242,193,78,0.15), rgba(159,118,34,0.04) 46%, transparent 69%); filter: blur(14px); }
.hero-copy { position: relative; z-index: 2; min-width: 0; padding-top: 12px; }
.eyebrow, .kicker { color: var(--gold); font-size: 11px; font-weight: 800; letter-spacing: 0.17em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 34px; height: 1px; background: var(--gold); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 720px; margin: 27px 0 28px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(62px, 6.25vw, 96px); line-height: 0.93; letter-spacing: -0.065em; font-weight: 500; }
h1 em, h2 em { color: var(--gold); font-weight: inherit; }
.hero-lede { max-width: 560px; color: #b8b8b8; font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; padding: 0 22px; border: 1px solid transparent; font-size: 13px; font-weight: 850; transition: transform 150ms ease, background 150ms ease, border-color 150ms ease, box-shadow 150ms ease; }
.button:hover { transform: translateY(-2px); }
.button-gold { color: #191407; background: linear-gradient(110deg, var(--gold-dark), var(--gold-bright) 52%, var(--gold)); box-shadow: 0 13px 42px rgba(242,193,78,0.14); }
.button-gold:hover { box-shadow: 0 16px 50px rgba(242,193,78,0.25); }
.button-quiet { border-color: var(--line); color: #cececc; background: rgba(255,255,255,0.025); }
.button-quiet:hover { border-color: var(--line-gold); }
.seller-note { display: flex; align-items: center; gap: 8px; margin: 18px 0 0; color: #747579; font-size: 11px; }
.seller-note span { color: #4bc880; font-size: 8px; }

.product-stage { position: relative; height: 650px; min-width: 0; }
.stage-orbit { position: absolute; border: 1px solid rgba(242,193,78,0.12); border-radius: 50%; }
.orbit-one { width: 540px; height: 540px; top: 56px; right: -70px; }
.orbit-two { width: 390px; height: 390px; top: 130px; right: 5px; border-style: dashed; animation: spin 34s linear infinite; }
.video-frame { position: absolute; top: 58px; right: -160px; width: 620px; height: 350px; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(135deg, #22252b, #0d1015 60%); transform: perspective(900px) rotateY(-5deg); box-shadow: 0 35px 80px rgba(0,0,0,0.4); }
.video-frame::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 64% 35%, rgba(242,193,78,0.2), transparent 16%), linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.05), transparent 60%); }
.video-noise { position: absolute; inset: 0; opacity: 0.28; background-image: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255,255,255,0.02) 4px); }
.video-caption { position: absolute; left: 27%; right: 8%; bottom: 54px; padding: 10px 16px; color: #f7f7f7; background: rgba(0,0,0,0.72); font-size: 14px; text-align: center; }
.video-progress { position: absolute; left: 20px; right: 20px; bottom: 20px; height: 3px; background: rgba(255,255,255,0.24); }
.video-progress span { display: block; width: 61%; height: 100%; background: var(--gold); }
.extension-panel { position: absolute; z-index: 5; top: 130px; left: 0; width: 342px; min-height: 472px; padding: 19px; border: 1px solid rgba(255,255,255,0.14); border-radius: 16px; background: linear-gradient(145deg, rgba(25,26,30,0.98), rgba(13,14,17,0.98)); box-shadow: 0 34px 90px rgba(0,0,0,0.68), 0 0 80px rgba(242,193,78,0.07); transform: rotate(-1.2deg); }
.panel-header { display: flex; align-items: center; gap: 9px; padding-bottom: 15px; border-bottom: 1px solid var(--line); }
.panel-header div { display: grid; gap: 3px; }
.panel-header strong { font-size: 14px; }
.panel-header small, .panel-profile small { color: #777980; font-size: 9px; }
.panel-version { margin-left: auto; color: #62646b; font-size: 9px; }
.panel-profile { display: flex; align-items: center; gap: 10px; padding: 20px 0 18px; }
.avatar { width: 39px; height: 39px; display: grid; place-items: center; border-radius: 11px; background: var(--gold); color: #1b1507; font-size: 15px; font-weight: 900; }
.panel-profile div { display: grid; min-width: 0; gap: 4px; }
.panel-profile strong { font-size: 12px; }
.plan-pill { margin-left: auto; padding: 5px 8px; border: 1px solid rgba(242,193,78,0.3); color: var(--gold); font-size: 8px; font-weight: 900; letter-spacing: 0.08em; }
.credit-row { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.credit-row div { display: grid; gap: 4px; }
.credit-row small { color: #777980; font-size: 9px; text-transform: uppercase; letter-spacing: 0.1em; }
.credit-row strong { font-size: 25px; }
.credit-dot { color: var(--gold); font-size: 18px; }
.panel-feature-head { display: flex; justify-content: space-between; align-items: center; padding-top: 18px; }
.panel-feature-head strong { font-size: 11px; }
.panel-feature-head small { color: #696b71; font-size: 8px; }
.panel-feature-head i { display: inline-block; width: 5px; height: 5px; margin-right: 5px; border-radius: 50%; background: #4bc880; }
.panel-list { display: grid; gap: 11px; margin: 14px 0 18px; padding: 0; list-style: none; color: #b5b6ba; font-size: 10px; }
.panel-list span { margin-right: 7px; color: var(--gold); font-weight: 900; }
.panel-button { display: grid; height: 39px; place-items: center; color: #191407; background: var(--gold); font-size: 10px; font-weight: 900; }
.hero-index { position: absolute; right: max(28px, calc((100vw - var(--max)) / 2)); bottom: 27px; color: #434448; font-family: Georgia, serif; font-size: 12px; }

.signal-strip { max-width: var(--max); display: grid; grid-template-columns: repeat(4, 1fr); margin: 0 auto; border-bottom: 1px solid var(--line); }
.signal-strip div { min-height: 126px; display: flex; flex-direction: column; justify-content: center; gap: 9px; padding: 0 28px; border-right: 1px solid var(--line); }
.signal-strip div:last-child { border-right: 0; }
.signal-strip strong { color: var(--gold); font-family: Georgia, serif; font-size: 24px; font-weight: 500; }
.signal-strip span { color: #828387; font-size: 11px; }

.section { max-width: var(--max); margin: 0 auto; padding: 145px 0; }
.section-heading { display: grid; grid-template-columns: 100px minmax(300px, 1fr) minmax(260px, 0.7fr); gap: 36px; align-items: end; margin-bottom: 68px; }
.section-number { align-self: start; padding-top: 4px; color: #55565a; font-family: Georgia, serif; font-size: 13px; }
.section-heading h2, .feature-copy h2, .final-cta h2 { margin: 12px 0 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(46px, 5vw, 72px); line-height: 0.98; letter-spacing: -0.055em; font-weight: 500; }
.section-heading > p { margin: 0; color: #999a9d; font-size: 15px; line-height: 1.7; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); list-style: none; }
.step { position: relative; min-height: 330px; padding: 30px 34px 38px; border-right: 1px solid var(--line); }
.step:last-child { border-right: 0; }
.step-number { color: #5c5d61; font-family: Georgia, serif; font-size: 12px; }
.step-icon { width: 54px; height: 54px; display: grid; place-items: center; margin: 64px 0 24px; border: 1px solid var(--line-gold); color: var(--gold); font-size: 20px; }
.step h3 { margin: 0 0 12px; font-family: Georgia, serif; font-size: 24px; font-weight: 500; }
.step p { max-width: 300px; margin: 0; color: #898a8e; font-size: 13px; line-height: 1.65; }

.feature-section { display: grid; grid-template-columns: 1fr 1fr; gap: 10%; align-items: center; border-top: 1px solid var(--line); }
.feature-visual { position: relative; min-height: 570px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; padding: 36px; border: 1px solid var(--line); background: radial-gradient(circle at 50% 28%, rgba(242,193,78,0.14), transparent 32%), linear-gradient(145deg, #191a1e, #0e0f12); }
.feature-visual::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 calc(10% - 1px), rgba(255,255,255,0.025) 10%); }
.sound-label { position: absolute; top: 28px; left: 30px; padding: 6px 9px; border: 1px solid var(--line-gold); color: var(--gold); font-size: 8px; font-weight: 900; letter-spacing: 0.16em; }
.sound-wave { position: absolute; top: 126px; left: 8%; right: 8%; height: 140px; display: flex; align-items: center; justify-content: center; gap: 10px; }
.sound-wave i { width: 3px; height: 34px; background: linear-gradient(var(--gold-bright), var(--gold-dark)); box-shadow: 0 0 16px rgba(242,193,78,0.2); animation: pulse 1.8s ease-in-out infinite alternate; }
.sound-wave i:nth-child(2n) { height: 84px; animation-delay: -0.7s; }
.sound-wave i:nth-child(3n) { height: 126px; animation-delay: -1.1s; }
.sound-wave i:nth-child(5n) { height: 58px; animation-delay: -0.3s; }
.translation-line { position: relative; display: grid; grid-template-columns: 42px 1fr; gap: 15px; padding: 18px 0; border-top: 1px solid var(--line); color: #77787c; }
.translation-line span { color: #6e7074; font-size: 10px; font-weight: 900; }
.translation-line p { margin: 0; font-family: Georgia, serif; font-size: 16px; line-height: 1.45; }
.translation-line.active { color: var(--text); }
.translation-line.active span { color: var(--gold); }
.feature-copy h2 { margin-bottom: 28px; }
.feature-copy > p:not(.kicker) { max-width: 510px; color: #96979a; font-size: 15px; line-height: 1.75; }
.benefit-list { margin: 42px 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.benefit-list li { display: grid; grid-template-columns: 42px 1fr; gap: 18px; padding: 21px 0; border-bottom: 1px solid var(--line); }
.benefit-list > li > span { color: var(--gold); font-family: Georgia, serif; font-size: 11px; }
.benefit-list div { display: grid; gap: 6px; }
.benefit-list strong { font-size: 14px; }
.benefit-list small { color: #77787c; font-size: 12px; line-height: 1.45; }

.section-heading.compact { grid-template-columns: 100px 1fr; }
.use-cases { border-top: 1px solid var(--line); }
.use-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.use-card { min-height: 290px; display: flex; flex-direction: column; justify-content: flex-end; padding: 32px; border-right: 1px solid var(--line); transition: background 180ms ease; }
.use-card:last-child { border-right: 0; }
.use-card:hover { background: rgba(242,193,78,0.035); }
.use-card > span { margin-bottom: auto; color: #58595e; font-family: Georgia, serif; font-size: 11px; }
.use-card h3 { margin: 0 0 14px; font-family: Georgia, serif; font-size: 30px; font-weight: 500; }
.use-card p { max-width: 290px; margin: 0; color: #85868a; font-size: 13px; line-height: 1.65; }

.final-cta { position: relative; min-height: 650px; display: grid; place-items: center; overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: radial-gradient(circle at 50% 38%, rgba(242,193,78,0.12), transparent 34%); text-align: center; }
.final-cta::before, .final-cta::after { content: ""; position: absolute; width: 1px; height: 100%; background: var(--line); }
.final-cta::before { left: calc(50% - 390px); }
.final-cta::after { right: calc(50% - 390px); }
.cta-eagle { position: absolute; top: 40px; left: 50%; opacity: 0.12; transform: translateX(-50%); filter: blur(1px); }
.cta-copy { position: relative; z-index: 2; max-width: 780px; padding: 90px 24px; }
.cta-copy h2 { margin-bottom: 25px; font-size: clamp(56px, 6.3vw, 92px); }
.cta-copy > p:not(.kicker) { max-width: 570px; margin: 0 auto 34px; color: #9b9c9f; font-size: 15px; line-height: 1.7; }
.cta-watermark { position: absolute; bottom: -58px; color: rgba(255,255,255,0.018); font-size: min(24vw, 360px); font-weight: 950; letter-spacing: -0.09em; line-height: 1; }

.site-footer { max-width: var(--max); min-height: 190px; display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 30px; margin: 0 auto; }
.site-footer > p { margin: 0; color: #747579; font-family: Georgia, serif; font-size: 14px; font-style: italic; }
.site-footer > div { display: flex; gap: 24px; color: #8d8e92; font-size: 12px; }
.site-footer > small { grid-column: 1 / -1; padding: 20px 0; border-top: 1px solid var(--line); color: #505156; font-size: 10px; }

.reveal { opacity: 1; transform: translateY(0); transition: opacity 700ms cubic-bezier(.2,.8,.2,1), transform 700ms cubic-bezier(.2,.8,.2,1); }
.motion-ready .reveal:not(.visible) { opacity: 0; transform: translateY(18px); }
.motion-ready .hero .reveal { opacity: 1; transform: translateY(0); }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { from { transform: scaleY(0.5); opacity: 0.55; } to { transform: scaleY(1); opacity: 1; } }

@media (max-width: 1050px) {
  .site-header, .hero { padding-left: 30px; padding-right: 30px; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 150px; }
  .hero-copy { max-width: 760px; }
  .product-stage { width: min(700px, 100%); margin: 0 auto; }
  .video-frame { right: -80px; }
  .signal-strip, .section, .site-footer { margin-left: 30px; margin-right: 30px; }
  .feature-section { gap: 6%; }
}

@media (max-width: 760px) {
  .site-header { height: 66px; grid-template-columns: 1fr auto; padding: 0 18px; }
  .nav { display: none; }
  .brand { font-size: 15px; }
  .header-login { font-size: 12px; }
  .hero { min-height: auto; gap: 40px; padding: 120px 20px 54px; }
  h1 { max-width: 100%; font-size: clamp(46px, 13vw, 60px); overflow-wrap: anywhere; }
  h1 em span { display: block; }
  .hero-lede { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .product-stage { height: 570px; }
  .video-frame { top: 20px; right: -190px; height: 285px; }
  .extension-panel { top: 90px; left: 50%; width: min(342px, calc(100vw - 38px)); transform: translateX(-50%) rotate(-1deg); }
  .stage-orbit { display: none; }
  .signal-strip { grid-template-columns: 1fr 1fr; margin: 0 20px; }
  .signal-strip div { min-height: 106px; padding: 0 16px; border-bottom: 1px solid var(--line); }
  .signal-strip div:nth-child(2) { border-right: 0; }
  .section { margin: 0 20px; padding: 90px 0; }
  .section-heading, .section-heading.compact { grid-template-columns: 38px 1fr; gap: 12px; margin-bottom: 42px; }
  .section-heading > p { grid-column: 2; }
  .section-heading h2, .feature-copy h2 { font-size: 46px; }
  .steps, .use-grid { grid-template-columns: 1fr; }
  .step, .use-card { min-height: 260px; border-right: 0; border-bottom: 1px solid var(--line); }
  .step:last-child, .use-card:last-child { border-bottom: 0; }
  .step-icon { margin-top: 44px; }
  .feature-section { grid-template-columns: 1fr; gap: 70px; }
  .feature-visual { min-height: 480px; padding: 24px; }
  .sound-wave { top: 100px; }
  .final-cta::before, .final-cta::after { display: none; }
  .site-footer { grid-template-columns: 1fr; align-items: start; margin: 0 20px; padding: 45px 0 0; }
  .site-footer > div { flex-wrap: wrap; }
}

@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; }
  .reveal { opacity: 1; transform: none; }
}