/*
 * A small web adaptation of Lantern's visual vocabulary.
 * Source: github.com/lapfelix/Lantern (Swift package, iOS 17+)
 *
 * Keep this layer limited to shared tokens and physical primitives. Page layout
 * and typography belong in globals.css.
 */

:root {
  color-scheme: light dark;

  --lantern-canvas-top: #f5f4f1;
  --lantern-canvas-bottom: #eae9e5;
  --lantern-canvas: #f0efeb;
  --lantern-surface: #fcfcfb;
  --lantern-surface-quiet: #e9e7e1;
  --lantern-well: #efeeea;
  --lantern-ink: #17171a;
  --lantern-ink-secondary: rgba(23, 23, 26, 0.62);
  --lantern-ink-tertiary: rgba(23, 23, 26, 0.46);
  --lantern-hairline: rgba(23, 23, 26, 0.09);
  --lantern-accent: #1478ce;
  --lantern-accent-hover: #106dbd;
  --lantern-on-accent: #fff;
  --lantern-lip: rgba(255, 255, 255, 0.86);
  --lantern-shadow-resting: 0 1px 4px rgba(23, 23, 26, 0.06);
  --lantern-shadow-raised: 0 3px 10px rgba(23, 23, 26, 0.08);
  --lantern-shadow-floating: 0 10px 28px rgba(23, 23, 26, 0.13);

  --lantern-space-1: 4px;
  --lantern-space-2: 8px;
  --lantern-space-3: 12px;
  --lantern-space-4: 16px;
  --lantern-space-6: 24px;
  --lantern-space-8: 32px;
  --lantern-radius-small: 8px;
  --lantern-radius-medium: 12px;
  --lantern-radius-large: 16px;
  --lantern-radius-window: 22px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --lantern-canvas-top: #18181b;
    --lantern-canvas-bottom: #0c0c0e;
    --lantern-canvas: #111113;
    --lantern-surface: #1d1d21;
    --lantern-surface-quiet: #26262b;
    --lantern-well: #17171b;
    --lantern-ink: #f3f3f1;
    --lantern-ink-secondary: rgba(243, 243, 241, 0.64);
    --lantern-ink-tertiary: rgba(243, 243, 241, 0.46);
    --lantern-hairline: rgba(255, 255, 255, 0.08);
    --lantern-accent: #57adea;
    --lantern-accent-hover: #72baed;
    --lantern-on-accent: #07131c;
    --lantern-lip: rgba(255, 255, 255, 0.07);
    --lantern-shadow-resting: 0 1px 4px rgba(0, 0, 0, 0.24);
    --lantern-shadow-raised: 0 3px 12px rgba(0, 0, 0, 0.3);
    --lantern-shadow-floating: 0 12px 30px rgba(0, 0, 0, 0.42);
  }
}

.lantern-surface {
  border: 1px solid var(--lantern-hairline);
  background: var(--lantern-surface);
  box-shadow: inset 0 1px var(--lantern-lip), var(--lantern-shadow-resting);
}

.lantern-surface--raised {
  box-shadow: inset 0 1px var(--lantern-lip), var(--lantern-shadow-raised);
}

.lantern-surface--floating {
  box-shadow: inset 0 1px var(--lantern-lip), var(--lantern-shadow-floating);
}

.lantern-well {
  border: 1px solid var(--lantern-hairline);
  background: var(--lantern-well);
  box-shadow: inset 0 1px 2px rgba(23, 23, 26, 0.06);
}

.lantern-button {
  border: 1px solid var(--lantern-hairline);
  background: var(--lantern-surface);
  box-shadow: inset 0 1px var(--lantern-lip), var(--lantern-shadow-resting);
}

.lantern-button--lit {
  border-color: transparent;
  background: var(--lantern-accent);
  color: var(--lantern-on-accent);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.22), var(--lantern-shadow-raised);
}

:root {
  --background: var(--lantern-canvas);
  --surface: var(--lantern-surface);
  --text: var(--lantern-ink);
  --muted: var(--lantern-ink-secondary);
  --line: var(--lantern-hairline);
  --accent: var(--lantern-accent);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: linear-gradient(180deg, var(--lantern-canvas-top), var(--lantern-canvas-bottom) 720px) fixed; color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
.shell { width: min(980px, calc(100% - 40px)); margin-inline: auto; }

.site-header { height: 66px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--lantern-canvas-top) 92%, transparent); }
.nav { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; gap: 9px; align-items: center; font-size: 17px; font-weight: 650; }
.brand-mark { width: 25px; height: 25px; border-radius: 7px; display: grid; place-items: center; color: white; background: var(--accent); font-size: 14px; }
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 14px; color: var(--muted); }
.nav-links a:hover, .footer-links a:hover { color: var(--text); }
.nav-buy { color: var(--text); }

.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; padding-block: 90px; }
.eyebrow { margin: 0 0 12px; color: var(--muted); font-size: 13px; font-weight: 600; }
h1, h2, h3 { letter-spacing: -.025em; }
h1 { max-width: 600px; margin: 0; font-size: clamp(42px, 5vw, 62px); line-height: 1.06; font-weight: 700; }
h2 { margin: 0; font-size: clamp(28px, 3.2vw, 38px); line-height: 1.15; font-weight: 680; }
h3 { margin: 0 0 8px; font-size: 17px; }
.lede { max-width: 610px; margin: 22px 0 0; color: var(--muted); font-size: 18px; line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button { display: inline-flex; min-height: 43px; align-items: center; justify-content: center; padding: 0 18px; border-radius: var(--lantern-radius-small); font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; }
.button.primary:hover { background: var(--lantern-accent-hover); }
.button.secondary:hover { background: var(--lantern-surface-quiet); }
.button.full { width: 100%; }
.fine-print { margin: 13px 0 0; color: var(--lantern-ink-tertiary); font-size: 12px; }

.product-window { width: min(400px, 100%); padding: 7px; border-radius: var(--lantern-radius-window); background: var(--lantern-surface-quiet); }
.window-bar { height: 25px; display: flex; align-items: center; gap: 6px; padding: 0 7px; }
.window-bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--lantern-ink-tertiary); opacity: .45; }
.window-bar span { margin-left: auto; color: var(--lantern-ink-tertiary); font-size: 9px; text-transform: uppercase; }
.product-screen { overflow: hidden; border-radius: 18px; background: #173744; }
.product-screen img { display: block; width: 100%; height: auto; }

.compatibility { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; padding-block: 23px; border-block: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.compatibility strong { color: var(--text); }
.plain-section { padding-block: 82px; border-bottom: 1px solid var(--line); }
.section-intro { max-width: 720px; margin: 18px 0 0; color: var(--muted); font-size: 18px; line-height: 1.65; }
.simple-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 38px; }
.simple-grid article p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }

.screenshot-section { display: grid; grid-template-columns: 1fr 420px; gap: 70px; align-items: center; padding-block: 88px; border-bottom: 1px solid var(--line); }
.screenshot-section p { max-width: 450px; margin: 15px 0 0; color: var(--muted); font-size: 16px; line-height: 1.6; }
.screenshot-section img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: var(--lantern-radius-window); box-shadow: var(--lantern-shadow-raised); }

.details-section { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.details-list { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 30px; }
.details-list li { break-inside: avoid; padding: 0 0 17px 20px; color: var(--muted); font-size: 15px; position: relative; }
.details-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }

.pricing { display: grid; grid-template-columns: 1fr 350px; gap: 70px; align-items: center; padding-block: 88px; border-bottom: 1px solid var(--line); }
.pricing > div:first-child p { max-width: 540px; color: var(--muted); line-height: 1.65; }
.price-card { padding: 26px; border-radius: var(--lantern-radius-medium); }
.price-card > strong { font-size: 15px; }
.price { margin: 16px 0 8px; font-size: 36px; font-weight: 700; letter-spacing: -.04em; }
.price-card p { margin: 0 0 20px; color: var(--muted); font-size: 13px; }

.faq { display: grid; grid-template-columns: 220px 1fr; gap: 60px; padding-block: 88px; border-bottom: 1px solid var(--line); }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 18px 0; cursor: pointer; font-size: 15px; font-weight: 600; }
.faq-list p { margin: -4px 0 19px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.final-cta { padding-block: 88px; text-align: center; }
.final-cta p { margin: 10px 0 23px; color: var(--muted); }

.site-footer { padding: 48px 0 30px; border-top: 1px solid var(--line); color: var(--muted); background: var(--lantern-surface-quiet); }
.footer-top { display: flex; justify-content: space-between; gap: 40px; padding-bottom: 40px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px 24px; font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 11px; line-height: 1.5; }

.content-page { min-height: 72vh; padding-block: 70px 110px; }
.content-page .page-intro { max-width: 760px; }
.content-page h1 { font-size: clamp(40px, 5vw, 58px); }
.content-page .lede { margin-bottom: 45px; }
.content-page > .product-window { margin-block: 45px 60px; }
.prose { max-width: 720px; color: var(--muted); font-size: 16px; line-height: 1.72; }
.prose h2 { margin: 48px 0 12px; color: var(--text); font-size: 24px; }
.prose h3 { margin: 30px 0 8px; color: var(--text); }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.prose ul { padding-left: 20px; }
.prose .button { margin-top: 16px; color: white; text-decoration: none; }
.checkout-card { max-width: 600px; margin-top: 42px; padding: 26px; border-radius: var(--lantern-radius-medium); }
.checkout-card h2 { font-size: 24px; }
.checkout-card form { margin-top: 22px; }
.checkout-card small { display: block; margin-top: 13px; color: var(--muted); }
.license-key { overflow-wrap: anywhere; padding: 18px; border-radius: 8px; background: var(--lantern-well); font: 12px/1.6 ui-monospace, monospace; user-select: all; }

@media (max-width: 760px) {
  .shell { width: min(100% - 28px, 980px); }
  .nav-links a:not(.nav-buy) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 45px; padding-block: 62px; }
  .hero .product-window { margin-inline: auto; }
  .simple-grid { grid-template-columns: 1fr; gap: 28px; }
  .screenshot-section, .details-section, .pricing, .faq { grid-template-columns: 1fr; gap: 34px; }
  .plain-section, .screenshot-section, .pricing, .faq, .final-cta { padding-block: 62px; }
  .details-list { columns: 1; }
  .price-card { max-width: 420px; }
  .footer-top, .footer-bottom { flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 3px; }