:root {
  --primary: #2196F3;
  --secondary: #00BCD4;
  --accent: #F44336;
  --surface: #FFFFFF;
  --on-surface: #1A1A1A;
  --card: #FFFFFF;
  --divider: #E5E7EB;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #00BCD4;
    --secondary: #6B46C1;
    --accent: #34D399;
    --surface: #0F0F0F;
    --on-surface: #E5E5E5;
    --card: #1E1E1E;
    --divider: #374151;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--on-surface);
  background: var(--surface);
  line-height: 1.6;
}

/* Header */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--divider);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--on-surface);
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}
.brand span {
  font-weight: 700;
  font-size: 18px;
}
.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
}
.nav-links a {
  text-decoration: none;
  color: var(--on-surface);
  opacity: 0.9;
}
.nav-links a:hover { opacity: 1; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--primary) 35%, var(--divider));
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  text-decoration: none;
  font-weight: 600;
}
.btn.secondary {
  color: var(--primary);
  background: transparent;
  border: 1px solid var(--primary);
}
.menu-toggle {
  display: none;
  border: 1px solid var(--divider);
  background: transparent;
  padding: 8px 12px;
  border-radius: 10px;
}

@media (max-width: 860px) {
  .menu-toggle { display: inline-flex; }
  .nav-links { display: none; }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 64px;
    right: 16px;
    padding: 12px;
    background: var(--surface);
    border: 1px solid var(--divider);
    border-radius: 12px;
    flex-direction: column;
  }
}

/* Hero */
.hero {
  background: radial-gradient(1000px 500px at 20% -10%, color-mix(in srgb, var(--primary) 25%, transparent), transparent),
              radial-gradient(1000px 500px at 80% -10%, color-mix(in srgb, var(--secondary) 25%, transparent), transparent),
              linear-gradient(180deg, color-mix(in srgb, var(--primary) 15%, var(--surface)), var(--surface));
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 20px 40px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 58px);
  line-height: 1.1;
  margin: 0 0 16px 0;
}
.hero p.lede {
  font-size: clamp(16px, 2.2vw, 20px);
  opacity: 0.9;
  margin: 0 0 24px 0;
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual {
  position: relative;
  min-height: 320px;
}
.glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 300px at 60% 40%, color-mix(in srgb, var(--secondary) 25%, transparent), transparent);
  filter: blur(20px);
}
.device-frame {
  position: relative;
  border: 1px solid var(--divider);
  border-radius: 24px;
  background: var(--card);
  overflow: hidden;
  box-shadow: 0 20px 60px color-mix(in srgb, var(--primary) 15%, transparent);
}
.device-frame img { width: 100%; display: block; }

.store-badges {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 16px;
}
.store-badges .store img {
  height: 44px;
  display: block;
}
.store-badges.compact .store img { height: 36px; }

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 56px; }
  .hero-visual { order: -1; }
}

/* Features */
.section { padding: 72px 20px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section h2 { font-size: clamp(28px, 4vw, 40px); margin: 0 0 18px; }
.section p.sub { opacity: 0.8; margin: 0 0 28px; }
.section.alt { background: color-mix(in srgb, var(--primary) 6%, var(--surface)); }
.feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}
.card {
  border: 1px solid var(--divider);
  background: var(--card);
  border-radius: 18px;
  padding: 22px;
}
.card h3 { margin: 0 0 8px; }
.card p { opacity: 0.85; margin: 0; }
@media (max-width: 980px) { .feature-grid { grid-template-columns: 1fr; } }

/* Testimonials */
.testimonials {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.testimonial {
  border: 1px solid var(--divider);
  background: var(--card);
  border-radius: 18px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.testimonial .avatar {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--secondary) 18%, var(--card));
}
.testimonial blockquote { margin: 0; font-weight: 500; }
.testimonial .byline { opacity: 0.75; font-size: 14px; }
@media (max-width: 1100px) { .testimonials { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .testimonials { grid-template-columns: 1fr; } }

/* Press */
.press-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.press-item {
  border: 1px solid var(--divider);
  background: var(--card);
  border-radius: 18px;
  padding: 22px;
  text-decoration: none;
  color: inherit;
}
.press-item .press-quote { font-weight: 600; margin-bottom: 8px; }
.press-item .press-source { opacity: 0.75; }
@media (max-width: 980px) { .press-grid { grid-template-columns: 1fr; } }

/* Roadmap */
.roadmap {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.roadmap li {
  border: 1px solid var(--divider);
  background: var(--card);
  border-radius: 14px;
  padding: 16px 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
}
.roadmap .title { font-weight: 600; }
.roadmap .meta { font-size: 13px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--divider); }
.roadmap li.done .meta { background: color-mix(in srgb, var(--accent) 16%, transparent); }
.roadmap li.progress .meta { background: color-mix(in srgb, var(--secondary) 16%, transparent); }
.roadmap li.planned .meta { background: color-mix(in srgb, var(--primary) 12%, transparent); }
.roadmap-note { margin-top: 14px; opacity: 0.85; }

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.gallery img {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--divider);
  cursor: zoom-in;
}
@media (max-width: 980px) { .gallery { grid-template-columns: repeat(2, 1fr); } }

/* Footer */
.footer {
  border-top: 1px solid var(--divider);
  padding: 26px 20px 40px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; gap: 16px; align-items: center; grid-template-columns: 1fr auto; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer a { color: var(--on-surface); opacity: 0.9; text-decoration: none; }
.footer a:hover { opacity: 1; }
.footer-cta { display: flex; align-items: center; gap: 14px; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; display: none; align-items: center; justify-content: center;
  background: color-mix(in srgb, black 65%, transparent);
  z-index: 100;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 16px; border: 1px solid var(--divider); }
.lightbox .close {
  position: absolute; top: 18px; right: 18px; background: var(--card); color: var(--on-surface);
  border: 1px solid var(--divider); border-radius: 10px; padding: 8px 12px; cursor: pointer;
}

/* Content pages */
.page-header { padding: 32px 20px 10px; border-bottom: 1px solid var(--divider); }
.content { max-width: 900px; margin: 0 auto; padding: 24px 20px 60px; }
.content h1 { margin-top: 0; }
.content article { white-space: pre-wrap; }