:root {
  --bg-dark: #090B10;
  --bg-card: rgba(18, 22, 34, 0.7);
  --bg-card-hover: rgba(28, 34, 52, 0.85);
  --primary: #FF5F1F;
  --primary-glow: rgba(255, 95, 31, 0.35);
  --accent: #FF8C00;
  --text-main: #F0F4F8;
  --text-muted: #94A3B8;
  --border: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(255, 95, 31, 0.3);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(255, 95, 31, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(99, 102, 241, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ────────────────────────────────────────────────────────── */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #FF2E00);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px var(--primary-glow);
  font-size: 20px;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:hover {
  color: var(--text-main);
}

.btn-nav {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: white !important;
  font-weight: 600;
  transition: all 0.2s;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 95, 31, 0.5);
}

/* ── Hero Section ──────────────────────────────────────────────────────── */
.hero {
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 95, 31, 0.12);
  border: 1px solid var(--border-highlight);
  border-radius: 50px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 28px;
}

.hero-title {
  font-size: 64px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 30%, #FF8C00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--primary), #E64A19);
  color: white;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 10px 30px var(--primary-glow);
  transition: all 0.3s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(255, 95, 31, 0.6);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-3px);
}

/* ── App Mockup / Visual ───────────────────────────────────────────────── */
.mockup-container {
  margin: 40px auto 80px;
  max-width: 1000px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 40px rgba(255, 95, 31, 0.15);
  backdrop-filter: blur(16px);
}

.player-preview-card {
  background: #11141E;
  border-radius: calc(var(--radius-lg) - 8px);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  text-align: left;
}

.player-artwork-box {
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: 16px;
  background: linear-gradient(135deg, #FF5F1F, #6366F1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

/* ── Features Grid ─────────────────────────────────────────────────────── */
.section-title {
  text-align: center;
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 60px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 100px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(12px);
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(255, 95, 31, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary);
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Download Section ──────────────────────────────────────────────────── */
.download-section {
  background: linear-gradient(180deg, rgba(255, 95, 31, 0.08) 0%, transparent 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
  margin-bottom: 100px;
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 40px auto 0;
}

.download-card {
  background: #131722;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  transition: all 0.3s;
}

.download-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.download-card-icon {
  font-size: 40px;
}

/* ── Footer ────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
  color: var(--text-muted);
  font-size: 14px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a:hover {
  color: var(--primary);
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero-title {
    font-size: 42px;
  }
  .player-preview-card {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}
