/* LensHood website. Colors come from the app's lib/palette.ts; every text
   pair meets WCAG AA 4.5:1 (checked by __tests__/websiteContrast.test.ts).
   Light and dark follow the visitor's system setting. No external fonts or
   scripts. */

:root {
  --brand: #005348;          /* client green; white text on it 9.0:1 */
  --blush: #CFB6AF;          /* fill only (marks Pro), dark text on it */
  --blush-text: #7E564B;
  --bg: #F4F6F7;
  --surface: #FFFFFF;
  --glass: rgba(255, 255, 255, 0.72);
  --text: #1C1C1E;
  --text-sub: #3A3A3C;
  --text-muted: #5C5C61;
  --border: rgba(0, 0, 0, 0.08);
  --accent: var(--brand);
  --on-accent: #FFFFFF;
  --shadow: 0 10px 30px rgba(0, 40, 35, 0.10);
  --radius: 22px;
  --max: 1080px;
  color-scheme: light dark;
}

/* Dark follows the system. A data-theme attribute (set only by a viewer
   such as the approval preview) overrides it either way. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121A19;
    --surface: #1B2524;
    --glass: rgba(22, 32, 31, 0.78);
    --text: #F2EFEC;
    --text-sub: #D3D8D6;
    --text-muted: #A9B5B2;
    --border: rgba(255, 255, 255, 0.09);
    --accent: #7CC4B6;          /* sage: brand green lightened, same hue */
    --on-accent: #0B1F1C;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121A19;
  --surface: #1B2524;
  --glass: rgba(22, 32, 31, 0.78);
  --text: #F2EFEC;
  --text-sub: #D3D8D6;
  --text-muted: #A9B5B2;
  --border: rgba(255, 255, 255, 0.09);
  --accent: #7CC4B6;      /* sage: brand green lightened, same hue */
  --on-accent: #0B1F1C;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, .button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

.skip {
  position: absolute; left: 16px; top: -60px;
  background: var(--surface); color: var(--text);
  padding: 10px 14px; border-radius: 10px; z-index: 10;
}
.skip:focus { top: 16px; }

.wrap {
  max-width: var(--max); margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* ---- header ---- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: var(--glass);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 16px; }
.brand-link { display: flex; align-items: center; }
.brand-link img { height: 28px; width: auto; }
.nav { display: flex; gap: 18px; font-size: 15px; }
.nav a { color: var(--text-sub); text-decoration: none; padding: 10px 2px; }
.nav a:hover { color: var(--accent); }

/* Light/dark artwork swap */
.only-dark { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .only-light { display: none; }
  :root:not([data-theme="light"]) .only-dark { display: block; }
}
:root[data-theme="dark"] .only-light { display: none; }
:root[data-theme="dark"] .only-dark { display: block; }

/* ---- hero ---- */
.hero {
  position: relative;
  background: url("assets/ocean.jpg") center / cover no-repeat;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(244, 246, 247, 0.35), var(--bg) 96%);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .hero::before { background: linear-gradient(180deg, rgba(8, 18, 18, 0.62), var(--bg) 96%); }
}
:root[data-theme="dark"] .hero::before { background: linear-gradient(180deg, rgba(8, 18, 18, 0.62), var(--bg) 96%); }
.hero .wrap { position: relative; padding-top: 56px; padding-bottom: 64px; text-align: center; }
.hero-logo { width: min(260px, 62vw); margin: 0 auto 22px; }
.hero h1 { font-size: clamp(30px, 6vw, 48px); line-height: 1.12; margin: 0 auto 14px; max-width: 18ch; letter-spacing: -0.02em; }
.hero p.lead { font-size: clamp(17px, 2.4vw, 20px); color: var(--text-sub); max-width: 40ch; margin: 0 auto 26px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; align-items: center; }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 24px; border-radius: 999px;
  background: var(--accent); color: var(--on-accent);
  font-weight: 700; text-decoration: none;
}
.button:hover { filter: brightness(1.08); }
.soon { color: var(--text-muted); font-size: 15px; }

/* ---- sections ---- */
section { padding: 56px 0; }
.section-title { font-size: clamp(26px, 4vw, 36px); line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.01em; }
.section-sub { color: var(--text-sub); margin: 0 0 32px; max-width: 60ch; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin: 0 0 8px; }

.features { display: grid; gap: 22px; }
@media (min-width: 720px) { .features { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .features { grid-template-columns: 1fr 1fr 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.feature { display: flex; flex-direction: column; gap: 14px; }
.feature h3 { margin: 0; font-size: 20px; }
.feature p { margin: 0; color: var(--text-sub); }
.phone {
  border-radius: 26px; overflow: hidden;
  border: 6px solid #111; background: #111;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  max-width: 250px; margin: 0 auto;
  aspect-ratio: 1206 / 2622;
}
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

.audiences { display: grid; gap: 18px; }
@media (min-width: 720px) { .audiences { grid-template-columns: repeat(3, 1fr); } }
.audiences h3 { margin: 0 0 6px; font-size: 19px; }
.audiences p { margin: 0; color: var(--text-sub); }

/* ---- Pro ---- */
.pro { display: grid; gap: 22px; align-items: start; }
@media (min-width: 860px) { .pro { grid-template-columns: 1.4fr 1fr; } }
.pro-badge {
  display: inline-block; background: var(--blush); color: #1C1C1E;
  font-size: 12px; font-weight: 800; letter-spacing: 0.08em;
  padding: 3px 10px; border-radius: 999px; margin-bottom: 10px;
}
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li { padding-left: 30px; position: relative; color: var(--text-sub); }
.checks li strong { color: var(--text); }
.checks li::before {
  content: ""; position: absolute; left: 4px; top: 0.45em;
  width: 14px; height: 8px;
  border-left: 3px solid var(--accent); border-bottom: 3px solid var(--accent);
  transform: rotate(-45deg);
}
.prices { display: grid; gap: 12px; }
.price { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.price .amount { font-size: 28px; font-weight: 800; }
.price .per { color: var(--text-muted); }
.save { color: var(--blush-text); font-weight: 700; font-size: 14px; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .save { color: var(--blush); } }
:root[data-theme="dark"] .save { color: var(--blush); }
.fine { color: var(--text-muted); font-size: 14px; margin: 0; }

/* ---- plain pages ---- */
.page { padding: 48px 0 64px; }
.page h1 { font-size: clamp(28px, 5vw, 40px); margin: 0 0 12px; }
.page h2 { font-size: 22px; margin: 32px 0 8px; }
.page p, .page li { color: var(--text-sub); max-width: 68ch; }
.notice { border-left: 4px solid var(--blush); padding: 14px 18px; background: var(--surface); border-radius: 12px; }

/* ---- footer ---- */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0 40px; color: var(--text-muted); font-size: 15px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 24px; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--text-sub); }

@media (max-width: 560px) {
  .nav { display: none; }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}