:root {
  --accent: #F84454;
  --bg: #0d0d0f;
  --surface: #18181b;
  --border: rgba(255,255,255,0.08);
  --text: #f0f0f2;
  --muted: rgba(240,240,242,0.45);
  --radius: 16px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f5f7;
    --surface: #ffffff;
    --border: rgba(0,0,0,0.08);
    --text: #1a1a1c;
    --muted: rgba(26,26,28,0.45);
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.8; }

/* Nav */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}

nav ul a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.15s;
}

nav ul a:hover { color: var(--text); opacity: 1; }

/* Sections */
section {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 24px;
}

/* Hero */
.hero {
  text-align: center;
  padding-top: 100px;
  padding-bottom: 80px;
}

.hero-icon {
  width: 120px;
  height: 120px;
  border-radius: 27px;
  margin: 0 auto 32px;
  display: block;
  box-shadow: 0 20px 60px rgba(248,68,84,0.2);
}

.hero h1 {
  font-size: clamp(36px, 6vw, 58px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 16px;
}

.accent { color: var(--accent); }

.hero p {
  font-size: 18px;
  color: var(--muted);
  max-width: 440px;
  margin: 0 auto 40px;
}

/* Download */
.download-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.appstore-btn {
  display: inline-block;
  transition: opacity 0.15s, transform 0.15s;
}

.appstore-btn:hover {
  opacity: 0.85;
  transform: scale(1.03);
}

.appstore-btn img {
  height: 54px;
  display: block;
}

.testflight-note {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

/* Features list */
#features {
  padding-top: 40px;
}

.features-list {
  display: flex;
  flex-direction: column;
}

.feature-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.feature-row:first-child { border-top: 1px solid var(--border); }

.feature-text h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 5px;
}

.feature-text p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
  max-width: 500px;
}

.feature-tag {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 5px 12px;
  border-radius: 50px;
}

.tag-live    { background: rgba(248,68,84,0.12);  color: #F84454; }
.tag-shop    { background: rgba(255,149,0,0.12);   color: #FF9500; }
.tag-multi   { background: rgba(48,209,88,0.12);   color: #30D158; }
.tag-private { background: rgba(10,132,255,0.12);  color: #0A84FF; }
.tag-light   { background: rgba(175,82,222,0.12);  color: #AF52DE; }

/* Prose (privacy/support) */
.prose h2 { margin-top: 40px; margin-bottom: 12px; font-size: 20px; font-weight: 700; }
.prose h3 { margin-top: 28px; margin-bottom: 8px; font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.4px; }
.prose p  { font-size: 15px; color: var(--muted); margin-bottom: 14px; }
.prose ul { padding-left: 20px; margin-bottom: 14px; }
.prose li { font-size: 15px; color: var(--muted); margin-bottom: 6px; }
.prose a  { color: var(--accent); }

.prose-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
  margin-bottom: 8px;
}

.prose-header h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 6px;
}

.prose-header p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--text); opacity: 1; }

@media (max-width: 600px) {
  nav { padding: 12px 18px; }
  nav ul { gap: 18px; }
  section { padding: 60px 18px; }
  .hero { padding-top: 64px; }
  .feature-tag { display: none; }
}