/* Reolens landing page — single stylesheet, no framework.
   Pulls from the same color palette as the app icon (slate blue → indigo
   gradient, cyan accent) so the brand reads as one piece across the OS
   and the web. */

:root {
  --bg: #0c1224;
  --bg-soft: #131b30;
  --bg-card: #182240;
  --fg: #e9eef8;
  --fg-soft: #aab3cc;
  --fg-quiet: #6e7794;
  --accent: #1ba6d8;
  --accent-bright: #4cd2ff;
  --accent-deep: #295789;
  --border: #25304f;
  --max-w: 1080px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 18px 60px rgba(0, 0, 0, 0.55);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter",
    ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: var(--accent-bright);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

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

code, pre {
  font-family: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, monospace;
  font-size: 13px;
}

/* ── Hero ─────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  background:
    radial-gradient(1200px 600px at 50% -100px, rgba(76, 210, 255, 0.18), transparent 60%),
    linear-gradient(180deg, #14213d 0%, #0c1224 70%);
  border-bottom: 1px solid var(--border);
  padding: 0 24px 80px;
  overflow: hidden;
}

.top-nav {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  font-size: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  font-weight: 600;
  letter-spacing: 0.01em;
}
.brand:hover { text-decoration: none; }

.nav-links {
  display: flex;
  gap: 22px;
}
.nav-links a {
  color: var(--fg-soft);
}
.nav-links a:hover {
  color: var(--fg);
  text-decoration: none;
}

.hero-inner {
  max-width: 720px;
  margin: 56px auto 0;
  text-align: center;
}

.hero-icon {
  margin: 0 auto 24px;
  filter: drop-shadow(0 12px 30px rgba(76, 210, 255, 0.25));
}

h1 {
  font-size: clamp(36px, 6vw, 56px);
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-soft);
  margin: 0 auto 36px;
  max-width: 560px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 14px 18px;
  margin-bottom: 26px;
}

.cta-meta {
  color: var(--fg-quiet);
  font-size: 13px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.05s ease, background 0.15s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: linear-gradient(180deg, var(--accent-bright), var(--accent));
  color: #0a1426;
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(76, 210, 255, 0.4) inset;
}
.btn-primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(180deg, #6cdcff, #29bce4);
}

.brew-snippet {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.snippet-label {
  color: var(--fg-quiet);
}
.brew-snippet code {
  color: var(--fg);
}
.copy-btn {
  background: rgba(76, 210, 255, 0.12);
  color: var(--accent-bright);
  border: 1px solid rgba(76, 210, 255, 0.3);
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: background 0.15s ease;
}
.copy-btn:hover {
  background: rgba(76, 210, 255, 0.2);
}
.copy-btn.copied {
  background: #1d6c2c;
  color: #c9f2c8;
  border-color: #2d8a3e;
}

/* ── Sections ─────────────────────────────────────────────────────── */

main {
  padding: 0 24px;
}

.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 90px 0;
  border-bottom: 1px solid var(--border);
}
.section:last-of-type {
  border-bottom: none;
}

.section h2 {
  font-size: clamp(28px, 4vw, 36px);
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  text-align: center;
  font-weight: 700;
}

.section-sub {
  text-align: center;
  color: var(--fg-soft);
  margin: 0 auto 40px;
  max-width: 560px;
  font-size: 15px;
}

.section-quiet {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 40px 48px;
  margin: 60px auto;
}
.section-quiet h2 {
  text-align: left;
  font-size: 22px;
  margin-bottom: 16px;
}

/* ── Features ─────────────────────────────────────────────────────── */

.features-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.feature:hover {
  transform: translateY(-2px);
  border-color: rgba(76, 210, 255, 0.45);
}

.feature-ico {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(76, 210, 255, 0.18), rgba(41, 87, 137, 0.4));
  color: var(--accent-bright);
  font-size: 20px;
  margin-bottom: 14px;
}

.feature h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}

.feature p {
  margin: 0;
  color: var(--fg-soft);
  font-size: 14.5px;
  line-height: 1.55;
}

/* ── Screenshots ──────────────────────────────────────────────────── */

.shots-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
}

.shots-grid figure {
  margin: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.shots-grid img {
  width: 100%;
  background: #0a1426;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.shots-grid figcaption {
  padding: 14px 18px;
  font-size: 13px;
  color: var(--fg-soft);
  border-top: 1px solid var(--border);
}

/* ── Download cards ───────────────────────────────────────────────── */

.section-download h2 {
  margin-bottom: 32px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
}
.download-card h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 600;
}
.download-card p {
  margin: 0 0 16px;
  color: var(--fg-soft);
  font-size: 14.5px;
}
.download-card pre {
  background: rgba(0, 0, 0, 0.35);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  border: 1px solid var(--border);
  margin: 0 0 16px;
}
.download-card code {
  color: var(--accent-bright);
}
.download-card .btn {
  margin-bottom: 16px;
}
.card-meta {
  margin-top: auto !important;
  color: var(--fg-quiet);
  font-size: 12.5px;
}

/* ── Requirements ─────────────────────────────────────────────────── */

.reqs {
  margin: 0;
  padding-left: 18px;
  color: var(--fg-soft);
  font-size: 14.5px;
}
.reqs li { margin-bottom: 6px; }
.reqs strong { color: var(--fg); }

/* ── Footer ───────────────────────────────────────────────────────── */

.footer {
  background: #07091a;
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-soft);
  font-weight: 500;
}
.footer-links {
  display: flex;
  gap: 22px;
}
.footer-links a {
  color: var(--fg-soft);
}
.footer-meta {
  flex-basis: 100%;
  color: var(--fg-quiet);
  font-size: 12px;
  text-align: center;
  margin-top: 8px;
}

/* ── Mobile ───────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .top-nav {
    flex-direction: column;
    gap: 8px;
  }
  .nav-links {
    gap: 16px;
  }
  .section {
    padding: 60px 0;
  }
  .brew-snippet {
    flex-wrap: wrap;
  }
}