/* OpenNotch site — dark, Apple-flavored. Accent matches the app icon. */
:root {
  --bg: #050507;
  --surface: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.09);
  --text: #f5f5f7;
  --muted: rgba(245, 245, 247, 0.6);
  --faint: rgba(245, 245, 247, 0.38);
  --accent: #73bfff;
  --accent-soft: rgba(115, 191, 255, 0.35);
  --radius: 26px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ---------- Interactive notch ---------- */
.notch {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: 200px;
  height: 32px;
  transition: width 0.45s cubic-bezier(0.32, 1.4, 0.46, 1),
              height 0.45s cubic-bezier(0.32, 1.4, 0.46, 1);
}
.notch.open { width: 460px; height: 180px; }

.notch-glow {
  position: absolute;
  inset: 0;
  border-radius: 0 0 14px 14px;
  box-shadow: 0 0 14px 1px var(--accent-soft),
              0 0 3px 0 var(--accent);
  opacity: 0.7;
  transition: border-radius 0.45s, opacity 0.3s;
  pointer-events: none;
}
.notch.open .notch-glow { border-radius: 0 0 26px 26px; opacity: 1; }

.notch-body {
  position: absolute;
  inset: 0;
  background: #000;
  border-radius: 0 0 14px 14px;
  overflow: hidden;
  transition: border-radius 0.45s;
}
.notch.open .notch-body { border-radius: 0 0 26px 26px; }

.notch-collapsed {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 14px;
  opacity: 1;
  transition: opacity 0.2s;
}
.notch.open .notch-collapsed { opacity: 0; }

.waveform { display: flex; gap: 2.5px; align-items: flex-end; height: 12px; }
.waveform span {
  width: 2.5px;
  background: var(--accent);
  border-radius: 2px;
  animation: wave 0.9s ease-in-out infinite;
}
.waveform span:nth-child(1) { animation-delay: 0s; }
.waveform span:nth-child(2) { animation-delay: 0.22s; }
.waveform span:nth-child(3) { animation-delay: 0.1s; }
.waveform span:nth-child(4) { animation-delay: 0.34s; }
@keyframes wave { 0%, 100% { height: 4px; } 50% { height: 12px; } }

.notch-expanded {
  position: absolute;
  inset: 0;
  display: flex;
  gap: 16px;
  padding: 44px 22px 18px;
  opacity: 0;
  transition: opacity 0.25s 0.12s;
}
.notch.open .notch-expanded { opacity: 1; }

.np { display: flex; gap: 12px; flex: 1; min-width: 0; }
.np-art {
  width: 56px; height: 56px;
  border-radius: 10px;
  background: linear-gradient(135deg, #2b6cb0, #6b46c1 55%, #b83280);
  flex-shrink: 0;
}
.np-meta { min-width: 0; }
.np-title {
  font-size: 13px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.np-artist { font-size: 11px; color: var(--muted); margin-top: 2px; }
.np-controls { display: flex; gap: 14px; margin-top: 10px; }
.np-controls svg {
  width: 15px; height: 15px;
  fill: #fff; stroke: none;
  opacity: 0.85; cursor: pointer; transition: opacity 0.15s;
}
.np-controls svg:hover { opacity: 1; }

.notch-shelf {
  width: 130px;
  border: 1.5px dashed rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--faint);
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(5, 5, 7, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; }
.brand img { border-radius: 7px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--text);
  color: #000;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 26px;
  border-radius: 999px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: scale(1.04); box-shadow: 0 0 24px var(--accent-soft); }
.btn-small { padding: 8px 18px; font-size: 13px; }
.btn-big { padding: 16px 40px; font-size: 17px; }

/* ---------- Hero ---------- */
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 140px 24px 90px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(52px, 9vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 700;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), #b58cff 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  margin: 28px auto 0;
  max-width: 560px;
  font-size: 19px;
  line-height: 1.5;
  color: var(--muted);
}
.hero-cta {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.fineprint { font-size: 13px; color: var(--faint); }

/* ---------- Demo (MacBook frame) ---------- */
.demo { padding: 20px 24px 110px; }
.macbook { max-width: 860px; margin: 0 auto; }
.screen {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #0a0a0c;
  border: 2px solid #26262a;
  border-bottom: none;
  border-radius: 18px 18px 0 0;
  overflow: hidden;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.8),
              0 0 60px -30px var(--accent-soft);
}
.screen video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.demo-placeholder {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  background:
    radial-gradient(60% 45% at 50% 0%, rgba(115, 191, 255, 0.14), transparent 70%),
    linear-gradient(180deg, #0d0d12, #08080b);
  color: var(--faint);
  font-size: 14px;
  z-index: 2;
}
.demo-placeholder.show { display: flex; }
.ph-notch {
  width: 120px; height: 20px;
  background: #000;
  border-radius: 0 0 9px 9px;
  box-shadow: 0 0 12px 1px var(--accent-soft);
}
.macbook-base {
  height: 16px;
  background: linear-gradient(180deg, #3a3a40, #232327 60%, #1a1a1e);
  border-radius: 0 0 14px 14px;
  position: relative;
}
.macbook-base::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 7px;
  background: #17171a;
  border-radius: 0 0 8px 8px;
}

/* ---------- Features ---------- */
.features { max-width: 1060px; margin: 0 auto; padding: 0 24px 110px; }
.features h2 {
  font-size: clamp(34px, 5vw, 52px);
  letter-spacing: -0.02em;
  line-height: 1.08;
  text-align: center;
  margin-bottom: 60px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform 0.3s, border-color 0.3s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent-soft); }
.card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(115, 191, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.card-icon svg {
  width: 22px; height: 22px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { font-size: 14.5px; line-height: 1.55; color: var(--muted); }

/* ---------- Download ---------- */
.download { padding: 0 24px 120px; }
.dl-panel {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  background:
    radial-gradient(70% 60% at 50% 0%, rgba(115, 191, 255, 0.1), transparent 70%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 34px;
  padding: 54px 40px 44px;
}
.dl-panel img { border-radius: 22px; margin-bottom: 18px; }
.dl-panel h2 { font-size: 34px; letter-spacing: -0.02em; }
.dl-panel .fineprint { display: block; margin: 10px 0 26px; }
.dl-panel details {
  margin-top: 26px;
  font-size: 13.5px;
  color: var(--muted);
  text-align: left;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  padding: 14px 18px;
}
.dl-panel summary { cursor: pointer; font-weight: 600; color: var(--text); }
.dl-panel details p { margin-top: 10px; line-height: 1.55; }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 30px 24px 40px;
  text-align: center;
  font-size: 12.5px;
  color: var(--faint);
}
footer a { text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .waveform span { animation: none; height: 8px; }
}

@media (max-width: 560px) {
  .notch { display: none; }
  .hero { padding-top: 90px; }
}