/* ============================================
   24HG Radio — style.css
   Gaming-focused music streaming landing page
   ============================================ */

/* --- Custom Properties --- */
:root {
  --bg-primary: #0a0a0c;
  --bg-card: #111114;
  --bg-card-hover: #16161a;
  --cyan: #00e5ff;
  --cyan-dim: rgba(0, 229, 255, 0.15);
  --cyan-glow: rgba(0, 229, 255, 0.3);
  --magenta: #e040fb;
  --text-primary: #e8e8ed;
  --text-secondary: #8a8a9a;
  --border: #1e1e24;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 12px;
  --transition: 200ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* --- Typography --- */
h1, h2, h3 { line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; }

.gradient-text {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--magenta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-cyan { color: var(--cyan); }

/* --- Layout --- */
.container { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }

/* --- Header / Nav --- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 12, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1140px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-brand-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: -0.03em;
}

.nav-brand-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  background: var(--cyan);
  color: var(--bg-primary) !important;
  font-weight: 600;
  font-size: 0.8rem;
  border-radius: 8px;
  transition: all var(--transition);
}

.nav-cta:hover {
  box-shadow: 0 0 20px var(--cyan-glow);
  filter: brightness(1.1);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-secondary);
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 1.5rem 1rem;
  border-top: 1px solid var(--border);
}

.mobile-nav a {
  display: block;
  padding: 0.6rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all var(--transition);
}

.mobile-nav a:hover {
  background: var(--bg-card);
  color: var(--cyan);
}

.mobile-nav.open { display: flex; }

/* --- Hero --- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 6rem 1.5rem 4rem;
  text-align: center;
  overflow: hidden;
}

/* Ambient background gradients */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 25% 20%, rgba(0, 229, 255, 0.07) 0%, transparent 50%),
    radial-gradient(ellipse at 75% 70%, rgba(224, 64, 251, 0.05) 0%, transparent 50%);
  animation: gradient-shift 10s ease-in-out infinite;
  pointer-events: none;
}

@keyframes gradient-shift {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: fade-in-up 0.8s ease-out both;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.75rem);
  max-width: 700px;
  margin: 0 auto;
}

.hero-subtitle {
  margin-top: 1.25rem;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--cyan);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary:hover {
  box-shadow: 0 0 28px var(--cyan-glow);
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* --- Equalizer Animation (Hero Visual) --- */
.equalizer-wrapper {
  position: relative;
  z-index: 2;
  margin-top: 3.5rem;
  margin-bottom: 1rem;
}

.equalizer {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  height: 80px;
  padding: 0 1rem;
}

.equalizer .bar {
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(to top, var(--cyan), var(--magenta));
  animation: eq-bounce var(--duration, 1s) ease-in-out infinite alternate;
  animation-delay: var(--delay, 0s);
  opacity: 0.85;
  will-change: height;
}

@keyframes eq-bounce {
  0%   { height: var(--min-h, 8px); }
  100% { height: var(--max-h, 70px); }
}

/* Large equalizer behind hero (decorative) */
.equalizer-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  height: 260px;
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}

.equalizer-bg .bar {
  width: 10px;
  border-radius: 5px;
  background: var(--cyan);
  animation: eq-bounce var(--duration, 1.2s) ease-in-out infinite alternate;
  animation-delay: var(--delay, 0s);
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  opacity: 0.5;
  animation: float 2.5s ease-in-out infinite;
}

/* --- Feature Cards --- */
.features {
  padding: 6rem 0;
}

.section-title {
  text-align: center;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 3.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  animation: fade-in-up 0.6s ease-out both;
}

.feature-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(0, 229, 255, 0.25);
  background: var(--bg-card-hover);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.06), 0 8px 32px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--cyan-dim);
  color: var(--cyan);
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  box-shadow: 0 0 16px var(--cyan-glow);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  flex: 1;
}

/* Staggered animation delays */
.feature-card:nth-child(1) { animation-delay: 0s; }
.feature-card:nth-child(2) { animation-delay: 0.08s; }
.feature-card:nth-child(3) { animation-delay: 0.16s; }
.feature-card:nth-child(4) { animation-delay: 0.24s; }
.feature-card:nth-child(5) { animation-delay: 0.32s; }
.feature-card:nth-child(6) { animation-delay: 0.4s; }

/* --- Coming Soon Banner --- */
.coming-soon {
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.coming-soon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(0, 229, 255, 0.03), transparent);
  pointer-events: none;
}

.coming-soon-inner {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.coming-soon-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: var(--cyan-dim);
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 99px;
  margin-bottom: 1.5rem;
  animation: pulse-glow 2.5s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 var(--cyan-glow); }
  50% { box-shadow: 0 0 16px 4px var(--cyan-glow); }
}

.coming-soon h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.coming-soon p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Ecosystem Section --- */
.ecosystem {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.ecosystem-inner {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.ecosystem-text { flex: 1; }

.ecosystem-text h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.ecosystem-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.ecosystem-visual {
  flex: 1;
  display: flex;
  justify-content: center;
}

/* Hub logo / connection diagram */
.hub-ring {
  position: relative;
  width: 220px;
  height: 220px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: spin-slow 20s linear infinite;
}

.hub-ring::before {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px var(--cyan);
}

.hub-ring-inner {
  animation: spin-slow-reverse 20s linear infinite;
  text-align: center;
}

.hub-ring-inner .logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cyan);
}

.hub-ring-inner .logo-sub {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

@keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes spin-slow-reverse { from { transform: rotate(0deg); } to { transform: rotate(-360deg); } }

/* Orbiting dots */
.orbit-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--magenta);
  box-shadow: 0 0 8px var(--magenta);
}

.orbit-dot:nth-child(2) { top: 50%; right: -3px; }
.orbit-dot:nth-child(3) { bottom: -3px; left: 50%; transform: translateX(-50%); }
.orbit-dot:nth-child(4) { top: 50%; left: -3px; }

/* --- Stats --- */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(17, 17, 20, 0.5);
  padding: 4rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--cyan);
}

.stat-label {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- Stations Preview --- */
.stations {
  padding: 6rem 0;
}

.stations-row {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding: 1rem 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.stations-row::-webkit-scrollbar { display: none; }

.station-card {
  flex: 0 0 200px;
  scroll-snap-align: start;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.station-card:hover {
  border-color: rgba(0, 229, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.06);
}

.station-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.station-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.station-card p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Mini equalizer on station cards */
.station-eq {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
  height: 20px;
  margin-top: 0.75rem;
}

.station-eq .bar {
  width: 3px;
  border-radius: 1.5px;
  background: var(--cyan);
  animation: eq-bounce var(--duration) ease-in-out infinite alternate;
  animation-delay: var(--delay);
  opacity: 0.6;
}

.station-card:hover .station-eq .bar { opacity: 1; }

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.footer-copy small {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.7rem;
  color: rgba(138, 138, 154, 0.55);
}

.footer-links {
  display: flex;
  gap: 1.75rem;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

/* --- Keyframe Animations --- */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }

  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .ecosystem-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero { padding-top: 5rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .equalizer { gap: 2px; height: 60px; }
  .equalizer .bar { width: 3px; }
}