:root {
  --background: #f4f5f6;
  --surface: #ffffff;
  --surface-pressed: #e8eaed;
  --text: #17191c;
  --text-secondary: #565c63;
  --text-muted: #737a82;
  --divider: #d9dde1;
  --border: #c9ced3;
  --accent: #f2a900;
  --accent-pressed: #d99000;
  --success: #2e7d4f;
  --information: #356a8a;
  --camera: #111315;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; color: var(--text); background: var(--background); font-size: 16px; line-height: 1.5; }
a { color: inherit; text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.nav { position: sticky; top: 0; z-index: 20; background: rgba(244, 245, 246, .92); border-bottom: 1px solid rgba(23, 25, 28, .09); backdrop-filter: blur(18px); }
.nav-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); font-size: 1.12rem; font-weight: 760; letter-spacing: -.02em; text-decoration: none; }
.brand img { width: 40px; height: 40px; border-radius: 10px; box-shadow: 0 5px 16px rgba(23, 25, 28, .16); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--text-secondary); font-size: .9rem; font-weight: 650; text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--text); }
.nav-links .nav-cta { min-height: 40px; display: inline-flex; align-items: center; padding: 0 15px; border: 1px solid var(--border); border-radius: 8px; color: var(--text); background: var(--surface); }

.hero { overflow: hidden; padding: 84px 0 88px; background: radial-gradient(circle at 80% 24%, rgba(242, 169, 0, .13), transparent 31%), var(--background); }
.hero-grid { display: grid; grid-template-columns: 1.03fr .83fr; gap: clamp(54px, 8vw, 108px); align-items: center; }
.eyebrow { margin: 0 0 18px; display: flex; align-items: center; gap: 9px; color: var(--text-secondary); font-size: .76rem; font-weight: 780; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow > span { width: 22px; height: 3px; background: var(--accent); }
h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.04em; }
h1 { margin-bottom: 24px; max-width: 720px; font-size: clamp(3.2rem, 6.6vw, 6rem); }
h1 em { color: var(--accent-pressed); font-style: normal; }
.hero-copy { max-width: 650px; margin: 0; color: var(--text-secondary); font-size: clamp(1.05rem, 1.7vw, 1.28rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 0 20px; border-radius: 8px; font-weight: 750; text-decoration: none; transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--accent); box-shadow: 0 10px 24px rgba(217, 144, 0, .2); }
.button.primary:hover { background: #ffb814; }
.button.secondary { background: var(--surface); border: 1px solid var(--border); }
.button.dark { color: #f4f5f6; background: var(--camera); }
.hero-facts { margin: 25px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--text-muted); font-size: .86rem; list-style: none; }
.hero-facts li { position: relative; padding-left: 14px; }
.hero-facts li::before { content: ""; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; border-radius: 50%; background: var(--success); }

.product-stage { position: relative; min-height: 660px; display: grid; place-items: center; }
.product-stage::before { content: ""; position: absolute; width: 480px; height: 480px; border: 1px solid rgba(23, 25, 28, .08); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255, 255, 255, .3), 0 0 0 140px rgba(255, 255, 255, .18); }
.phone { position: relative; z-index: 2; width: 310px; padding: 9px; border: 1px solid #090a0b; border-radius: 40px; background: #101214; box-shadow: 0 36px 80px rgba(23, 25, 28, .25); transform: rotate(2deg); }
.phone::before { content: ""; position: absolute; z-index: 4; top: 15px; left: 50%; width: 78px; height: 20px; border-radius: 20px; background: #101214; transform: translateX(-50%); }
.phone-screen { overflow: hidden; min-height: 630px; border-radius: 32px; background: var(--background); }
.app-header { height: 60px; display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--divider); font-size: .88rem; font-weight: 750; }
.app-brand { display: flex; align-items: center; gap: 8px; }
.app-brand img { width: 27px; height: 27px; border-radius: 7px; }
.header-icon { color: var(--text-muted); letter-spacing: .15em; }
.project-select { min-height: 61px; display: flex; align-items: center; justify-content: space-between; padding: 9px 16px; background: var(--surface); border-bottom: 1px solid var(--divider); font-size: .78rem; font-weight: 690; }
.project-select small { display: block; margin-bottom: 2px; color: var(--text-muted); font-size: .55rem; letter-spacing: .12em; }
.project-select b { font-size: 1.2rem; font-weight: 500; }
.camera-view { position: relative; height: 335px; overflow: hidden; background: linear-gradient(150deg, #24292b 0%, #111315 48%, #303538 100%); }
.camera-view::before { content: ""; position: absolute; inset: 0; opacity: .6; background: linear-gradient(118deg, transparent 42%, rgba(255,255,255,.11) 42.5%, transparent 43%), linear-gradient(8deg, transparent 62%, rgba(242,169,0,.13) 62.5%, transparent 63%); }
.camera-grid { position: absolute; inset: 0; opacity: .17; background: linear-gradient(90deg, transparent 33%, #fff 33.3%, transparent 33.6%, transparent 66%, #fff 66.3%, transparent 66.6%), linear-gradient(0deg, transparent 33%, #fff 33.3%, transparent 33.6%, transparent 66%, #fff 66.3%, transparent 66.6%); }
.focus-frame { position: absolute; top: 50%; left: 50%; width: 92px; height: 92px; border: 2px solid var(--accent); transform: translate(-50%, -50%); }
.focus-frame::before, .focus-frame::after { content: ""; position: absolute; background: #222; }
.focus-frame::before { top: -3px; bottom: -3px; left: 16px; right: 16px; }
.focus-frame::after { left: -3px; right: -3px; top: 16px; bottom: 16px; }
.capture-meta { position: absolute; right: 12px; bottom: 12px; left: 12px; display: flex; justify-content: space-between; gap: 8px; color: #f4f5f6; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .52rem; letter-spacing: .04em; }
.camera-controls { height: 100px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; justify-items: center; background: var(--camera); color: #f4f5f6; }
.thumb { width: 34px; height: 34px; border: 1px solid #61676b; border-radius: 6px; background: linear-gradient(140deg, #31373a, #17191c); }
.shutter { width: 62px; height: 62px; display: grid; place-items: center; border: 3px solid #f4f5f6; border-radius: 50%; }
.shutter i { width: 48px; height: 48px; border-radius: 50%; background: var(--accent); }
.control-icon { font-size: 1.15rem; }
.app-tabs { height: 72px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; padding: 5px 6px 8px; background: var(--surface); border-top: 1px solid var(--divider); }
.app-tabs span { display: grid; justify-items: center; gap: 3px; color: var(--text-muted); font-size: .55rem; font-weight: 650; }
.app-tabs i { font-size: 1rem; font-style: normal; }
.app-tabs .active { color: var(--accent-pressed); }
.stage-note { position: absolute; z-index: 3; min-width: 205px; padding: 14px 16px; display: grid; gap: 2px; border: 1px solid var(--border); border-radius: 10px; background: rgba(255,255,255,.96); box-shadow: 0 14px 34px rgba(23,25,28,.12); }
.stage-note strong { font-size: .83rem; }
.stage-note span { color: var(--text-muted); font-size: .7rem; }
.stage-note-top { top: 78px; right: -28px; }
.stage-note-bottom { bottom: 94px; left: -34px; }

.principles { color: #f4f5f6; background: var(--camera); }
.principle-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.principle-grid > div { min-height: 126px; display: grid; align-content: center; padding: 22px 28px; border-right: 1px solid #30353a; }
.principle-grid > div:last-child { border-right: 0; }
.principle-grid span { margin-bottom: 7px; color: var(--accent); font-family: ui-monospace, monospace; font-size: .68rem; }
.principle-grid strong { font-size: .91rem; }
.principle-grid small { margin-top: 3px; color: #9299a1; font-size: .72rem; }

.section { padding: 108px 0; }
.section-heading { display: grid; grid-template-columns: 1.15fr .7fr; gap: 70px; align-items: end; }
.section h2 { margin-bottom: 0; font-size: clamp(2.45rem, 5vw, 4.6rem); }
.section-heading > p { margin: 0 0 8px; color: var(--text-secondary); font-size: 1.06rem; line-height: 1.65; }
.workflow-grid { margin: 54px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--divider); border-radius: 10px; background: var(--surface); list-style: none; }
.workflow-grid li { position: relative; min-height: 330px; padding: 28px; border-right: 1px solid var(--divider); }
.workflow-grid li:last-child { border: 0; }
.workflow-grid li > span { color: var(--text-muted); font-family: ui-monospace, monospace; font-size: .7rem; }
.workflow-icon { width: 48px; height: 48px; margin-top: 54px; display: grid; place-items: center; border-radius: 8px; color: var(--text); background: var(--accent); font-size: 1.3rem; font-weight: 800; }
.workflow-grid h3 { margin: 24px 0 11px; font-size: 1.25rem; }
.workflow-grid p { margin: 0; color: var(--text-secondary); font-size: .91rem; line-height: 1.6; }

.feature-section { color: #f4f5f6; background: var(--camera); }
.feature-layout { display: grid; grid-template-columns: .84fr 1.16fr; gap: 100px; align-items: start; }
.eyebrow.light { color: #b7bcc2; }
.feature-intro { position: sticky; top: 116px; }
.feature-intro h2 { max-width: 550px; }
.feature-intro > p:not(.eyebrow) { max-width: 540px; margin: 28px 0 0; color: #b7bcc2; font-size: 1.02rem; line-height: 1.7; }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 28px; color: var(--accent); font-weight: 720; text-decoration: none; }
.feature-list { border-top: 1px solid #3a4046; }
.feature-list article { min-height: 168px; display: grid; grid-template-columns: 58px 1fr; gap: 24px; padding: 31px 0; border-bottom: 1px solid #3a4046; }
.feature-number { color: var(--accent); font-family: ui-monospace, monospace; font-size: .75rem; }
.feature-list h3 { margin: 0 0 10px; font-size: 1.45rem; }
.feature-list p { max-width: 580px; margin: 0; color: #b7bcc2; line-height: 1.65; }

.audience-section h2 { max-width: 680px; }
.audience-grid { margin-top: 52px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--divider); border-left: 1px solid var(--divider); }
.audience-grid span { min-height: 100px; display: flex; align-items: center; padding: 24px; border-right: 1px solid var(--divider); border-bottom: 1px solid var(--divider); background: var(--surface); font-weight: 690; }

.integrity-section { padding-top: 0; }
.integrity-card { display: grid; grid-template-columns: 90px 1fr 1fr; gap: 44px; align-items: center; padding: 56px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
.integrity-mark { width: 76px; height: 76px; display: grid; place-items: center; border: 2px solid var(--success); border-radius: 50%; color: var(--success); }
.integrity-mark span { font-size: 1.8rem; font-weight: 800; }
.integrity-card h2 { font-size: clamp(2rem, 3.5vw, 3.25rem); }
.integrity-card > div:last-child p { margin: 0; color: var(--text-secondary); line-height: 1.7; }
.text-link.dark { color: var(--information); }

.availability-section { padding-top: 0; }
.availability-card { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: center; padding: 62px; border-radius: 10px; background: var(--accent); }
.availability-card h2 { max-width: 720px; font-size: clamp(2.35rem, 4.4vw, 4rem); }
.availability-card p:not(.eyebrow) { max-width: 720px; margin: 22px 0 0; color: #3f3520; font-weight: 520; }
.availability-card .eyebrow { color: #4a3a10; }
.availability-card .eyebrow > span { background: var(--text); }
.availability-actions { display: grid; justify-items: stretch; gap: 14px; }
.release-chip { min-height: 52px; display: flex; align-items: center; gap: 10px; padding: 0 16px; border: 1px solid rgba(23,25,28,.28); border-radius: 8px; font-size: .86rem; font-weight: 700; }
.release-chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px rgba(46,125,79,.14); }

.footer { padding: 68px 0 22px; color: #d8dde1; background: #0b0d0e; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .6fr .6fr; gap: 70px; padding-bottom: 52px; }
.footer-brand { color: #fff; }
.footer p { max-width: 360px; color: #9299a1; }
.footer nav { display: grid; align-content: start; gap: 11px; }
.footer nav strong { margin-bottom: 6px; color: #f4f5f6; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.footer nav a { color: #aab1b7; font-size: .9rem; text-decoration: none; }
.footer nav a:hover { color: #fff; }
.footer-bottom { min-height: 58px; display: flex; align-items: end; justify-content: space-between; gap: 24px; border-top: 1px solid #2a2f34; color: #737a82; font-size: .8rem; }
.footer-bottom a { color: #b7bcc2; }
.footer.compact { margin-top: 84px; padding-top: 24px; }

.legal-hero { padding: 82px 0 44px; }
.legal-hero h1 { margin-bottom: 13px; font-size: clamp(2.8rem, 6vw, 5.2rem); }
.legal-meta { margin: 0; color: var(--text-muted); }
.legal-wrap { width: min(840px, calc(100% - 48px)); margin: 0 auto; padding: 52px 58px 64px; border: 1px solid var(--divider); border-radius: 10px; background: var(--surface); }
.legal-wrap h2 { margin: 44px 0 13px; font-size: 1.4rem; letter-spacing: -.02em; }
.legal-wrap p, .legal-wrap li { color: #454c53; }
.legal-wrap li + li { margin-top: 7px; }
.legal-wrap a { color: #176b94; }
.legal-callout { margin-bottom: 32px; padding: 20px 22px; border-left: 4px solid var(--accent); border-radius: 6px; background: #fff6df; }
.legal-callout p { margin: 0; color: #3d3524; }

@media (max-width: 980px) {
  .hero-grid, .feature-layout { grid-template-columns: 1fr; }
  .hero-copy-wrap { max-width: 760px; }
  .product-stage { min-height: 680px; }
  .feature-intro { position: static; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .workflow-grid li:nth-child(2) { border-right: 0; }
  .workflow-grid li:nth-child(-n+2) { border-bottom: 1px solid var(--divider); }
  .integrity-card { grid-template-columns: 72px 1fr; }
  .integrity-card > div:last-child { grid-column: 2; }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 32px, 1180px); }
  .nav-inner { min-height: 66px; }
  .nav-links { gap: 15px; }
  .nav-links a:nth-child(-n+2) { display: none; }
  .nav-links .nav-cta { min-height: 38px; }
  .hero { padding: 58px 0 64px; }
  h1 { font-size: clamp(3rem, 14vw, 4.6rem); }
  .product-stage { min-height: 650px; }
  .product-stage::before { width: 360px; height: 360px; }
  .phone { width: 292px; transform: none; }
  .stage-note-top { right: 0; }
  .stage-note-bottom { left: 0; }
  .principle-grid { grid-template-columns: 1fr 1fr; }
  .principle-grid > div:nth-child(2) { border-right: 0; }
  .principle-grid > div:nth-child(-n+2) { border-bottom: 1px solid #30353a; }
  .section { padding: 78px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .workflow-grid { grid-template-columns: 1fr; }
  .workflow-grid li { min-height: 275px; border-right: 0; border-bottom: 1px solid var(--divider); }
  .workflow-grid li:nth-child(3) { border-bottom: 1px solid var(--divider); }
  .workflow-icon { margin-top: 32px; }
  .audience-grid { grid-template-columns: 1fr 1fr; }
  .integrity-card { grid-template-columns: 1fr; gap: 28px; padding: 36px 28px; }
  .integrity-card > div:last-child { grid-column: auto; }
  .availability-card { grid-template-columns: 1fr; gap: 36px; padding: 38px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div { grid-column: 1 / -1; }
  .legal-hero { padding: 58px 0 34px; }
  .legal-wrap { width: calc(100% - 20px); padding: 34px 24px 46px; }
}

@media (max-width: 480px) {
  .brand span { font-size: 1rem; }
  .nav-links > a:not(.nav-cta) { display: none; }
  .hero-facts { display: grid; gap: 8px; }
  .product-stage { margin-inline: -8px; }
  .stage-note { min-width: 178px; padding: 11px 12px; }
  .stage-note-top { top: 38px; }
  .stage-note-bottom { bottom: 45px; }
  .principle-grid, .audience-grid { grid-template-columns: 1fr; }
  .principle-grid > div { min-height: 104px; border-right: 0; border-bottom: 1px solid #30353a; }
  .audience-grid span { min-height: 78px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid > div { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; padding: 20px 0 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}