:root {
  --ink: #171714;
  --muted: #68675f;
  --paper: #f6f4ef;
  --card: #fffefa;
  --line: rgba(23, 23, 20, .12);
  --blue: #1689ff;
  --warm: #ffb77a;
  --radius-lg: 40px;
  --shadow: 0 28px 80px rgba(50, 49, 42, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Helvetica Neue", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.section-shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.eyebrow { margin: 0 0 18px; color: var(--muted); font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 0; font-size: clamp(56px, 7.5vw, 104px); line-height: .96; letter-spacing: -.065em; font-weight: 720; }
h1 span { color: var(--blue); }
h2 { margin: 0; font-size: clamp(42px, 5.2vw, 72px); line-height: 1.02; letter-spacing: -.052em; }
h3 { margin: 0; font-size: 28px; letter-spacing: -.035em; }

.site-header { position: sticky; z-index: 20; top: 0; height: 76px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 max(24px, calc((100vw - 1180px)/2)); border-bottom: 1px solid rgba(23,23,20,.08); background: rgba(246,244,239,.82); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; letter-spacing: -.02em; }
.brand img { border-radius: 9px; }
.site-header nav { display: flex; gap: 30px; font-size: 14px; }
.site-header nav a { color: var(--muted); transition: color .2s; }
.site-header nav a:hover { color: var(--ink); }
.site-header nav .language-link { padding-left: 20px; border-left: 1px solid var(--line); color: var(--ink); font-weight: 700; }
.nav-cta { justify-self: end; padding: 10px 15px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; font-weight: 650; }

.hero { min-height: calc(100svh - 76px); display: grid; grid-template-columns: 1.07fr .93fr; align-items: center; gap: 40px; padding-block: 68px; overflow: hidden; }
.hero-copy { position: relative; z-index: 2; }
.hero-lead { max-width: 650px; margin: 34px 0 0; color: var(--muted); font-size: clamp(18px, 2vw, 23px); line-height: 1.6; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 36px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 24px; border: 0; border-radius: 999px; font: inherit; font-weight: 700; cursor: pointer; }
.button-primary { color: white; background: var(--ink); box-shadow: 0 10px 24px rgba(23,23,20,.18); }
.text-link { color: var(--muted); font-weight: 650; }
.trust-row { display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 0; margin: 42px 0 0; color: var(--muted); font-size: 13px; list-style: none; }
.trust-row li::before { content: "✓"; margin-right: 7px; color: var(--ink); font-weight: 800; }
.hero-visual { position: relative; min-height: 690px; display: grid; place-items: center; }
.phone-frame { position: relative; z-index: 2; width: min(330px, 68vw); padding: 8px; border: 1px solid rgba(255,255,255,.9); border-radius: 54px; background: #fff; box-shadow: var(--shadow); transform: rotate(3deg); }
.phone-frame img { width: 100%; height: auto; border-radius: 47px; object-fit: contain; }
.ambient-orb { position: absolute; filter: blur(4px); border-radius: 50%; }
.orb-one { width: 540px; height: 540px; background: radial-gradient(circle at 40% 40%, #e3f2ff, #b8ddff 48%, transparent 70%); }
.orb-two { width: 330px; height: 330px; right: -20%; bottom: 0; background: radial-gradient(circle, #ffd9b7, transparent 68%); opacity: .65; }
.floating-card { position: absolute; z-index: 3; padding: 14px 18px; border: 1px solid rgba(255,255,255,.8); border-radius: 18px; background: rgba(255,255,255,.8); box-shadow: 0 14px 36px rgba(50,49,42,.1); backdrop-filter: blur(14px); font-size: 14px; font-weight: 650; }
.card-video { left: 1%; top: 31%; }
.card-private { right: 0; bottom: 18%; }
.dot { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; }
.dot-blue { background: var(--blue); box-shadow: 0 0 0 5px rgba(22,137,255,.12); }

.problem-band { display: grid; min-height: 440px; place-items: center; padding: 80px 24px; color: white; background: var(--ink); }
.problem-band p { margin: 0; text-align: center; font-size: clamp(42px, 6vw, 80px); font-weight: 680; line-height: 1.08; letter-spacing: -.05em; }
.uses { padding-block: 140px; }
.section-intro { display: grid; grid-template-columns: 1.1fr .9fr; column-gap: 80px; align-items: end; margin-bottom: 64px; }
.section-intro .eyebrow { grid-column: 1 / -1; }
.section-intro > p:last-child { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.7; }
.use-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.use-card { position: relative; min-height: 540px; padding: 30px; overflow: hidden; border: 1px solid rgba(23,23,20,.07); border-radius: 32px; background: var(--card); }
.card-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: rgba(23,23,20,.06); font-size: 22px; }
.card-number { position: absolute; top: 35px; right: 30px; margin: 0; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.use-card h3 { margin-top: 92px; }
.use-card > p:not(.card-number) { color: var(--muted); line-height: 1.65; }
.light-demo, .temperature-strip, .desk-diagram { position: absolute; right: 24px; bottom: 24px; left: 24px; height: 185px; border-radius: 24px; }
.face-demo { overflow: hidden; background: linear-gradient(120deg, #bddfff, #f4e4d4); }
.face { position: absolute; width: 88px; height: 116px; left: 50%; bottom: 0; translate: -50%; border-radius: 50% 50% 35% 35%; background: #d9ad8d; box-shadow: 0 55px 0 30px #373b43; }
.screen-light { position: absolute; width: 60px; height: 135px; left: 18px; top: 25px; border: 5px solid #222; border-radius: 13px; background: #e7f5ff; box-shadow: 30px 0 70px #fff; }
.temperature-strip { display: flex; gap: 8px; height: 185px; }
.temperature-strip i { flex: 1; border-radius: 22px; background: #ddedff; }
.temperature-strip i:nth-child(2) { background: #f7f5ea; }
.temperature-strip i:nth-child(3) { background: #ffd5aa; }
.desk-diagram { border: 1px solid rgba(23,23,20,.08); background: #f1eee7; }
.device { position: absolute; width: 46px; height: 94px; top: 42px; border: 5px solid #252523; border-radius: 12px; background: #e9f5ff; box-shadow: 0 0 30px rgba(22,137,255,.22); }
.device.a { left: 42px; transform: rotate(12deg); }.device.b { right: 42px; transform: rotate(-12deg); background: #fff0df; }
.subject { position: absolute; inset: 0; display: grid; place-items: center; color: #aa7b55; font-size: 48px; }

.how { padding-bottom: 140px; }
.how-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; padding: 72px; border-radius: var(--radius-lg); background: #dfeeff; }
.how-copy h2 { font-size: clamp(40px, 4.5vw, 62px); }
.steps { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 46px 1fr; gap: 16px; padding: 24px 0; border-bottom: 1px solid rgba(23,23,20,.12); }
.steps li:last-child { border: 0; }
.steps li > span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--ink); font-size: 13px; font-weight: 700; }
.steps strong { font-size: 19px; }.steps p { margin: 7px 0 0; color: var(--muted); line-height: 1.55; }

.pair { display: grid; grid-template-columns: 1.1fr .9fr; gap: 90px; align-items: center; padding-block: 150px; }
.pair-visual { position: relative; min-height: 520px; display: flex; align-items: end; justify-content: center; gap: 24px; overflow: hidden; border-radius: var(--radius-lg); background: #232528; }
.laptop { position: relative; z-index: 3; width: 52%; margin-bottom: 70px; }
.laptop-screen { aspect-ratio: 16/10; display: grid; place-items: end center; overflow: hidden; border: 7px solid #0e0e0e; border-radius: 12px; background: #404a55; }
.person { width: 38%; height: 58%; border-radius: 50% 50% 20% 20%; background: #b98569; box-shadow: 0 80px 0 50px #576270; }
.laptop-base { height: 9px; border-radius: 2px 2px 12px 12px; background: #b9bdc2; transform: scaleX(1.12); }
.device-panel { position: relative; z-index: 3; width: 76px; height: 170px; margin-bottom: 78px; border: 6px solid #0c0c0c; border-radius: 17px; background: #e9f6ff; box-shadow: 0 0 80px rgba(213,238,255,.55); }
.panel-right { height: 145px; background: #ffead8; }
.beam { position: absolute; z-index: 1; width: 250px; height: 420px; bottom: 0; filter: blur(16px); opacity: .35; }
.beam-left { left: 0; background: linear-gradient(70deg, #bde4ff, transparent); }.beam-right { right: 0; background: linear-gradient(-70deg, #ffd2a8, transparent); }
.pair-copy > p:not(.eyebrow):not(.honest-note) { margin: 28px 0; color: var(--muted); font-size: 19px; line-height: 1.7; }
.check-list { display: grid; gap: 14px; padding: 0; list-style: none; }
.check-list li::before { content: "↳"; margin-right: 10px; color: var(--blue); font-weight: 900; }
.honest-note { margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; line-height: 1.6; }

.privacy { padding-block: 110px; }
.privacy-panel { position: relative; padding: 100px max(32px, 10vw); overflow: hidden; border-radius: var(--radius-lg); color: white; background: var(--ink); text-align: center; }
.privacy-panel h2 { position: relative; z-index: 1; }
.privacy-panel > p:not(.eyebrow):not(.privacy-mark) { max-width: 720px; margin: 28px auto; color: rgba(255,255,255,.68); font-size: 18px; line-height: 1.75; }
.privacy-panel .eyebrow { color: rgba(255,255,255,.55); }
.privacy-panel a { color: white; text-underline-offset: 3px; }
.privacy-mark { position: absolute; left: 50%; top: -330px; margin: 0; color: rgba(255,255,255,.035); font-size: 760px; line-height: 1; translate: -50%; }
.privacy-items { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 38px; }
.privacy-items span { padding: 9px 14px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; color: rgba(255,255,255,.82); font-size: 13px; }

.download { padding-block: 120px 160px; }
.download-card { display: flex; flex-direction: column; align-items: center; padding: 80px 24px; text-align: center; }
.download-card > img { margin-bottom: 28px; border-radius: 22px; box-shadow: 0 18px 45px rgba(38,67,102,.18); }
.download-card h2 { max-width: 820px; }
.download-button { margin-top: 40px; }
.form-note { color: var(--muted); font-size: 12px; }
.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; padding: 28px max(24px, calc((100vw - 1180px)/2)); border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.site-footer > :last-child { justify-self: end; }

.legal-page { width: min(820px, calc(100% - 48px)); margin: 0 auto; padding: 88px 0 120px; }
.legal-page .eyebrow { margin-bottom: 16px; }
.legal-page h1 { max-width: 760px; font-size: clamp(42px, 7vw, 72px); }
.legal-page h2 { margin-top: 52px; font-size: clamp(24px, 3vw, 32px); }
.legal-page p, .legal-page li { color: var(--muted); font-size: 17px; line-height: 1.8; }
.legal-page ul { padding-left: 1.3em; }
.legal-page a { color: var(--ink); text-underline-offset: 3px; }
.legal-meta { margin: 22px 0 48px; }
.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; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }.site-header nav { display: flex; }.site-header nav a:not(.language-link) { display: none; }.site-header nav .language-link { padding-left: 0; border-left: 0; }
  .nav-cta { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 80px; }.hero-visual { min-height: 650px; }
  .section-intro, .pair, .how-panel { grid-template-columns: 1fr; }.section-intro { gap: 28px; }
  .use-grid { grid-template-columns: 1fr; }.use-card { min-height: 460px; }
  .pair { gap: 50px; }.pair-visual { min-height: 470px; }
}

@media (max-width: 560px) {
  .section-shell { width: min(100% - 28px, 1180px); }
  .site-header { height: 66px; padding-inline: 14px; }.nav-cta { font-size: 12px; }
  .hero { min-height: auto; gap: 20px; padding-block: 64px; }.hero-lead { font-size: 17px; }.hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-visual { min-height: 560px; }.phone-frame { width: 255px; border-radius: 43px; }.phone-frame img { border-radius: 36px; }.card-video { left: 0; }.card-private { right: 0; }
  .uses, .pair { padding-block: 96px; }.how { padding-bottom: 96px; }.how-panel { gap: 40px; padding: 38px 24px; border-radius: 28px; }
  .use-card { min-height: 480px; padding: 24px; }.use-card h3 { margin-top: 65px; }
  .pair-visual { min-height: 400px; gap: 9px; border-radius: 28px; }.device-panel { width: 50px; height: 125px; border-width: 4px; }.panel-right { height: 110px; }.laptop { width: 57%; }
  .privacy { padding-block: 70px; }.privacy-panel { padding: 70px 24px; border-radius: 28px; }
  .site-footer { grid-template-columns: 1fr 1fr; }.site-footer > p:nth-child(2) { display: none; }
}

@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; }
}