/* Base */
:root {
  --bg: #0D1117;
  --surface: #161B22;
  --surface-2: #1C2128;
  --accent: #FF6B35;
  --accent-dim: rgba(255, 107, 53, 0.15);
  --text: #E6EDF3;
  --text-dim: #8B949E;
  --border: rgba(255,255,255,0.08);
  --type-a: #1A3A2A;
  --type-b: #2A1A3A;
  --type-c: #3A2A1A;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Nunito Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  padding: 28px 48px;
  display: flex;
  align-items: center;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-logo strong { color: var(--accent); }

/* Hero */
.hero {
  min-height: 75vh;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  padding: 64px 48px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,107,53,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner { max-width: 660px; }
.hero-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: var(--text);
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.65;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  background: var(--accent-dim);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 40px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* Pulse Visual */
.hero-visual {
  position: relative;
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,107,53,0.25);
  animation: pulse-expand 3s ease-out infinite;
}
.r1 { width: 100px; height: 100px; animation-delay: 0s; }
.r2 { width: 160px; height: 160px; animation-delay: 0.6s; }
.r3 { width: 220px; height: 220px; animation-delay: 1.2s; }
@keyframes pulse-expand {
  0% { opacity: 0.6; transform: scale(0.8); }
  100% { opacity: 0; transform: scale(1.15); }
}
.pulse-center {
  width: 72px;
  height: 72px;
  background: var(--surface);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px rgba(255,107,53,0.3);
}

/* Shared Section */
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* Features */
.features {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
}
.features h2 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 48px;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.feature-card {
  background: var(--surface);
  padding: 40px 36px;
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Schedule */
.schedule {
  padding: 80px 48px;
  background: var(--surface);
}
.schedule-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.schedule-content h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.2;
}
.schedule-content p {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.7;
}
.schedule-visual {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.week-row {
  display: grid;
  grid-template-columns: 50px repeat(4, 1fr);
  gap: 6px;
}
.day-cell {
  background: var(--surface-2);
  border-radius: 8px;
  padding: 14px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
}
.day-label {
  background: transparent;
  display: flex;
  align-items: center;
  color: var(--text);
  font-weight: 700;
}
.type-a { background: rgba(255,107,53,0.12); color: var(--accent); border: 1px solid rgba(255,107,53,0.2); }
.type-b { background: rgba(99,200,143,0.1); color: #63C897; border: 1px solid rgba(99,200,143,0.15); }
.type-c { background: rgba(136,132,216,0.1); color: #A89EF0; border: 1px solid rgba(136,132,216,0.15); }
.type-highlight {
  background: rgba(255,107,53,0.15);
  color: var(--accent);
  border: 1px solid rgba(255,107,53,0.3);
  font-weight: 700;
}
.release-badge {
  background: var(--accent);
  color: var(--bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  margin-right: 8px;
}

/* Process */
.process {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
}
.process-inner { max-width: 900px; }
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.step:last-child { border-bottom: none; }
.step-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--accent-dim);
  line-height: 1;
  padding-top: 4px;
}
.step-body h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.step-body p {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.65;
}

/* Closing */
.closing {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing-inner { max-width: 680px; margin: 0 auto; }
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  line-height: 1.1;
}
.closing p {
  color: var(--text-dim);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 60px;
}
.waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 60px;
}
.waveform span {
  display: block;
  width: 5px;
  background: var(--accent);
  border-radius: 3px;
  opacity: 0.6;
  animation: waveform 1.4s ease-in-out infinite;
}
.waveform span:nth-child(1) { height: 20px; animation-delay: 0s; }
.waveform span:nth-child(2) { height: 35px; animation-delay: 0.1s; }
.waveform span:nth-child(3) { height: 50px; animation-delay: 0.2s; }
.waveform span:nth-child(4) { height: 40px; animation-delay: 0.3s; }
.waveform span:nth-child(5) { height: 55px; animation-delay: 0.4s; }
.waveform span:nth-child(6) { height: 30px; animation-delay: 0.5s; }
.waveform span:nth-child(7) { height: 45px; animation-delay: 0.6s; }
.waveform span:nth-child(8) { height: 20px; animation-delay: 0.7s; }
.waveform span:nth-child(9) { height: 38px; animation-delay: 0.8s; }
.waveform span:nth-child(10) { height: 50px; animation-delay: 0.9s; }
.waveform span:nth-child(11) { height: 25px; animation-delay: 1.0s; }
.waveform span:nth-child(12) { height: 42px; animation-delay: 1.1s; }
.waveform span:nth-child(13) { height: 30px; animation-delay: 1.2s; }
.waveform span:nth-child(14) { height: 48px; animation-delay: 1.3s; }
.waveform span:nth-child(15) { height: 20px; animation-delay: 1.4s; }
.waveform span:nth-child(16) { height: 36px; animation-delay: 0.05s; }
.waveform span:nth-child(17) { height: 52px; animation-delay: 0.15s; }
.waveform span:nth-child(18) { height: 28px; animation-delay: 0.25s; }
.waveform span:nth-child(19) { height: 44px; animation-delay: 0.35s; }
.waveform span:nth-child(20) { height: 20px; animation-delay: 0.45s; }
@keyframes waveform {
  0%, 100% { transform: scaleY(0.5); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* Footer */
footer {
  padding: 48px;
  border-top: 1px solid var(--border);
}
.footer-inner { text-align: center; }
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.footer-logo strong { color: var(--accent); }
.footer-tagline {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.footer-copy {
  color: var(--text-dim);
  font-size: 0.75rem;
  opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; padding: 48px 24px 60px; }
  .hero-visual { display: none; }
  .features { padding: 60px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .schedule { padding: 60px 24px; }
  .schedule-inner { grid-template-columns: 1fr; gap: 40px; }
  .week-row { grid-template-columns: 45px repeat(2, 1fr); }
  .week-row .day-cell:nth-child(n+4) { display: none; }
  .process { padding: 60px 24px; }
  .step { grid-template-columns: 50px 1fr; gap: 20px; }
  .closing { padding: 60px 24px; }
  .nav { padding: 20px 24px; }
}
@media (max-width: 480px) {
  .hero-headline { font-size: 2.8rem; }
  .hero-tags { gap: 8px; }
  .tag { font-size: 0.72rem; }
}