:root {
  color-scheme: dark;
  --bg: #070b10;
  --surface: #0d141d;
  --surface-2: #111b27;
  --border: #223044;
  --text: #f7f8fa;
  --muted: #9aa9bb;
  --gold: #f4ce5e;
  --gold-2: #b98628;
  --teal: #21c7b7;
  --red: #fb7185;
  --max: 1180px;
  --shadow: 0 22px 70px rgba(0, 0, 0, .34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  position: relative;
  isolation: isolate;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 76% 4%, rgba(244, 206, 94, .10), transparent 32rem),
    radial-gradient(circle at 10% 38%, rgba(33, 199, 183, .07), transparent 28rem),
    var(--bg);
  font: 400 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: url("assets/goldencalc-background.png") center 88px / min(1180px, 112vw) auto no-repeat;
  opacity: .13;
  filter: saturate(.9) contrast(1.08);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; border-radius: 8px; background: var(--gold); color: #111; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 11, 16, .86);
  border-bottom: 1px solid rgba(255,255,255,.07);
  backdrop-filter: blur(18px);
}
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 850; letter-spacing: -.03em; }
.brand img { width: 48px; height: 48px; border-radius: 12px; object-fit: cover; box-shadow: 0 0 0 1px rgba(240,193,75,.22), 0 8px 24px rgba(0,0,0,.28); }
.brand span { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 24px; color: var(--muted); font-size: 14px; font-weight: 650; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--gold); }
.nav-cta { padding: 9px 14px; border: 1px solid rgba(244,206,94,.45); border-radius: 10px; color: var(--gold) !important; background: rgba(244,206,94,.07); }
.menu-button { display: none; border: 1px solid var(--border); background: var(--surface); color: var(--text); width: 42px; height: 42px; border-radius: 11px; cursor: pointer; }

.hero { padding: 104px 0 76px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 68px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border: 1px solid rgba(244,206,94,.26); border-radius: 999px; color: var(--gold); background: rgba(244,206,94,.06); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 5px rgba(33,199,183,.11); }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.035em; }
h1 { max-width: 790px; margin-top: 24px; font-size: clamp(46px, 7vw, 78px); }
h1 em { color: var(--gold); font-style: normal; }
.hero-copy > p { max-width: 650px; margin: 25px 0 0; color: var(--muted); font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 19px; border-radius: 12px; border: 1px solid var(--border); font-weight: 800; font-size: 14px; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #18130a; border-color: var(--gold); background: linear-gradient(135deg, #ffe99a, var(--gold-2)); }
.button-secondary { background: var(--surface); }
.trust-line { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: #bdc8d5; font-size: 12px; font-weight: 700; }
.trust-line span::before { content: "✓"; margin-right: 7px; color: var(--teal); }

.app-preview { position: relative; min-height: 525px; display: grid; place-items: center; }
.glow { position: absolute; width: 360px; height: 360px; border-radius: 50%; background: rgba(244,206,94,.15); filter: blur(70px); }
.real-device { position: absolute; margin: 0; padding: 9px; overflow: hidden; border: 1px solid #354258; border-radius: 31px; background: #05080c; box-shadow: var(--shadow); color: var(--text); cursor: zoom-in; }
.real-device img { width: 100%; height: 100%; border-radius: 23px; object-fit: cover; object-position: top; filter: contrast(1.035) saturate(1.025); image-rendering: -webkit-optimize-contrast; }
.real-device-main { z-index: 2; width: 390px; height: 640px; right: 1%; transform: rotate(1deg); }
.real-badge { position: absolute; z-index: 3; right: 0; bottom: 8px; padding: 8px 12px; border: 1px solid rgba(33,199,183,.38); border-radius: 999px; color: var(--teal); background: rgba(7,11,16,.92); font-size: 10px; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.zoom-hint { position: absolute; left: 50%; bottom: 17px; transform: translateX(-50%); min-width: max-content; padding: 7px 11px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; background: rgba(5,8,12,.88); color: #eef3f8; font-size: 10px; font-weight: 800; opacity: .9; }
.phone { position: relative; width: min(330px, 88vw); padding: 12px; border-radius: 38px; border: 1px solid #354258; background: #05080c; box-shadow: var(--shadow); transform: rotate(2deg); }
.phone-screen { min-height: 540px; padding: 28px 16px 18px; border-radius: 28px; background: linear-gradient(165deg, #0d1621, #071019); overflow: hidden; }
.phone-title { display: flex; align-items: center; gap: 10px; }
.phone-title img { width: 40px; height: 40px; }
.phone-title b { font-size: 17px; color: var(--gold); }
.phone-title small { display: block; color: var(--muted); font-size: 9px; }
.patient-card { margin-top: 20px; padding: 15px; border: 1px solid var(--border); border-radius: 17px; background: var(--surface); }
.patient-card strong { font-size: 13px; }
.patient-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 11px; }
.patient-field { padding: 9px; border-radius: 10px; background: #111c29; color: var(--muted); font-size: 8px; }
.patient-field b { display: block; color: var(--text); font-size: 15px; margin-top: 2px; }
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.mini-card { min-height: 79px; padding: 10px 5px; text-align: center; border-radius: 13px; border: 1px solid var(--border); background: var(--surface); color: var(--muted); font-size: 8px; }
.mini-icon { display: grid; place-items: center; width: 29px; height: 29px; margin: 0 auto 7px; border-radius: 9px; background: rgba(244,206,94,.10); color: var(--gold); font-size: 15px; }

.section { padding: 92px 0; }
.section-soft { border-block: 1px solid rgba(255,255,255,.06); background: rgba(13,20,29,.56); }
.app-showcase { padding-top: 70px; }
.showcase-grid { display: grid; grid-template-columns: 1fr .72fr; align-items: center; gap: 72px; }
.showcase-copy h2 { max-width: 650px; margin-top: 12px; font-size: clamp(34px, 5vw, 52px); }
.showcase-copy > p { max-width: 650px; margin: 18px 0 0; color: var(--muted); }
.showcase-shot { width: min(470px, 100%); margin: 0 auto; padding: 9px; border: 1px solid #354258; border-radius: 32px; background: #05080c; box-shadow: var(--shadow); color: var(--text); cursor: zoom-in; }
.showcase-shot img { width: 100%; max-height: 720px; border-radius: 24px; object-fit: cover; object-position: top; filter: contrast(1.035) saturate(1.025); image-rendering: -webkit-optimize-contrast; }
.shot-caption { display: block; padding: 11px 7px 3px; color: #9aa9bb; text-align: center; font-size: 10px; }
.screenshot-button:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; }
.lightbox { position: fixed; inset: 0; z-index: 100; display: none; background: rgba(2,5,8,.96); backdrop-filter: blur(12px); }
.lightbox.open { display: block; }
.lightbox-scroll { width: 100%; height: 100%; overflow: auto; padding: 70px 20px 40px; text-align: center; }
.lightbox-scroll img { width: min(1080px, 96vw); height: auto; border-radius: 20px; box-shadow: 0 30px 100px #000; }
.lightbox-close { position: fixed; z-index: 2; top: 16px; right: 20px; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; background: #111b27; color: #fff; font-size: 28px; cursor: pointer; }
body.lightbox-open { overflow: hidden; }
.section-heading { max-width: 700px; margin-bottom: 42px; }
.section-heading h2 { margin-top: 12px; font-size: clamp(34px, 5vw, 52px); }
.section-heading p { margin: 16px 0 0; color: var(--muted); }
.kicker { color: var(--teal); font-size: 12px; font-weight: 850; text-transform: uppercase; letter-spacing: .11em; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature { min-height: 210px; padding: 25px; border: 1px solid var(--border); border-radius: 20px; background: linear-gradient(145deg, rgba(17,27,39,.94), rgba(10,16,23,.94)); }
.feature-icon { display: grid; place-items: center; width: 43px; height: 43px; margin-bottom: 22px; border-radius: 12px; color: var(--gold); background: rgba(244,206,94,.09); border: 1px solid rgba(244,206,94,.18); }
.feature h3 { font-size: 18px; }
.feature p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }

.privacy-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 62px; align-items: start; }
.privacy-panel { padding: 28px; border-radius: 24px; border: 1px solid rgba(33,199,183,.25); background: linear-gradient(145deg, rgba(33,199,183,.08), rgba(13,20,29,.8)); }
.privacy-panel h3 { font-size: 24px; }
.privacy-panel p { color: var(--muted); }
.check-list { display: grid; gap: 13px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { display: grid; grid-template-columns: 24px 1fr; gap: 10px; color: #ced7e2; font-size: 14px; }
.check-list li::before { content: "✓"; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; color: #07110f; background: var(--teal); font-size: 12px; font-weight: 900; }
.data-table { overflow: hidden; border: 1px solid var(--border); border-radius: 20px; }
.data-row { display: grid; grid-template-columns: .8fr 1.2fr; gap: 20px; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.data-row:last-child { border-bottom: 0; }
.data-row strong { font-size: 13px; }
.data-row span { color: var(--muted); font-size: 13px; }

.disclaimer { padding: 30px; border: 1px solid rgba(251,113,133,.27); border-radius: 22px; background: rgba(251,113,133,.055); }
.disclaimer h3 { color: #ff9cab; font-size: 22px; }
.disclaimer p { margin-bottom: 0; color: #c9d2dd; }
.cta { display: grid; grid-template-columns: 1fr auto; gap: 34px; align-items: center; padding: 40px; border-radius: 28px; border: 1px solid rgba(244,206,94,.28); background: linear-gradient(125deg, rgba(244,206,94,.10), rgba(17,27,39,.94)); box-shadow: var(--shadow); }
.cta h2 { font-size: clamp(29px, 4vw, 44px); }
.cta p { margin: 12px 0 0; color: var(--muted); }

.site-footer { padding: 56px 0 30px; border-top: 1px solid rgba(255,255,255,.07); background: #05080c; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, .7fr); gap: 40px; }
.footer-intro p { max-width: 360px; color: var(--muted); font-size: 13px; }
.footer-col strong { display: block; margin-bottom: 14px; font-size: 13px; }
.footer-col a { display: block; margin: 8px 0; color: var(--muted); font-size: 13px; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.07); color: #718095; font-size: 11px; }

.legal-hero { padding: 74px 0 44px; border-bottom: 1px solid rgba(255,255,255,.06); }
.legal-hero h1 { font-size: clamp(38px, 6vw, 64px); }
.legal-hero p { max-width: 750px; margin: 18px 0 0; color: var(--muted); }
.legal-meta { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 22px; color: #78889c; font-size: 12px; }
.legal-layout { display: grid; grid-template-columns: 230px minmax(0, 760px); gap: 60px; align-items: start; padding: 60px 0 100px; }
.legal-nav { position: sticky; top: 98px; display: grid; gap: 7px; }
.legal-nav a { padding: 8px 10px; border-left: 2px solid var(--border); color: var(--muted); font-size: 12px; }
.legal-nav a:hover { color: var(--gold); border-color: var(--gold); }
.legal-content section { scroll-margin-top: 100px; margin-bottom: 44px; }
.legal-content h2 { margin-bottom: 15px; font-size: 25px; }
.legal-content h3 { margin: 24px 0 8px; font-size: 17px; letter-spacing: -.015em; }
.legal-content p, .legal-content li { color: #b5c0cd; font-size: 14px; }
.legal-content ul, .legal-content ol { padding-left: 22px; }
.legal-content a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.notice { padding: 16px 18px; margin: 20px 0; border-left: 3px solid var(--gold); border-radius: 0 12px 12px 0; background: rgba(244,206,94,.07); color: #d8dfe7; font-size: 13px; }
.placeholder { color: #ffbe65; background: rgba(255,190,101,.08); padding: 1px 5px; border-radius: 4px; }
.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.support-card { padding: 24px; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); }
.support-card h2 { font-size: 20px; }
.support-card p { color: var(--muted); font-size: 14px; }

@media (max-width: 900px) {
  .hero-grid, .privacy-grid, .showcase-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 76px; }
  .hero-copy { text-align: center; }
  .hero-copy > p { margin-inline: auto; }
  .hero-actions, .trust-line { justify-content: center; }
  .app-preview { min-height: auto; }
  .app-preview { min-height: 580px; }
  .real-device-main { position: relative; right: auto; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .legal-layout { grid-template-columns: 1fr; gap: 30px; }
  .legal-nav { position: static; display: flex; overflow-x: auto; padding-bottom: 8px; }
  .legal-nav a { white-space: nowrap; border-left: 0; border-bottom: 2px solid var(--border); }
}

@media (max-width: 700px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .menu-button { display: inline-grid; place-items: center; }
  .nav-links { display: none; position: absolute; left: 14px; right: 14px; top: 66px; padding: 16px; border: 1px solid var(--border); border-radius: 14px; background: #0a1018; box-shadow: var(--shadow); }
  .nav-links.open { display: grid; }
  .nav-links a { padding: 7px; }
  .hero { padding: 62px 0 52px; }
  h1 { font-size: 43px; }
  .hero-copy > p { font-size: 16px; }
  .phone { transform: none; }
  .app-preview { min-height: 520px; }
  .real-device-main { width: min(360px, 94vw); height: 570px; right: auto; transform: none; }
  .real-badge { right: 3%; bottom: 0; }
  .section { padding: 66px 0; }
  .features, .support-grid { grid-template-columns: 1fr; }
  .feature { min-height: auto; }
  .data-row { grid-template-columns: 1fr; gap: 5px; }
  .cta { grid-template-columns: 1fr; padding: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-intro { grid-column: 1 / -1; }
  .footer-bottom { display: grid; }
  .legal-hero { padding-top: 54px; }
  .legal-layout { padding-top: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}