/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #08080e;
  --bg-alt: #0d0d18;
  --surface: #12121e;
  --surface-2: #181828;
  --fg: #e8e8f0;
  --fg-muted: #7a7a9a;
  --fg-subtle: #4a4a6a;
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.12);
  --accent-glow: rgba(0, 212, 255, 0.06);
  --amber: #ff9500;
  --amber-dim: rgba(255, 149, 0, 0.1);
  --border: rgba(255,255,255,0.05);
  --radius: 12px;
  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--fg);
}

.nav-tagline {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* === HERO === */
.hero {
  padding: 80px 48px 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-lede {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 440px;
  margin-bottom: 48px;
}

.hero-pillars {
  display: flex;
  gap: 40px;
}

.pillar {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pillar-num {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.pillar-label {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg);
  letter-spacing: 0.02em;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 420px;
}

.aura-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
}

.aura-1 {
  width: 320px;
  height: 320px;
  border-color: rgba(0, 212, 255, 0.25);
  animation: pulse 4s ease-in-out infinite;
}

.aura-2 {
  width: 220px;
  height: 220px;
  border-color: rgba(0, 212, 255, 0.4);
  animation: pulse 4s ease-in-out infinite 0.8s;
}

.aura-3 {
  width: 120px;
  height: 120px;
  border-color: rgba(0, 212, 255, 0.7);
  animation: pulse 4s ease-in-out infinite 1.6s;
}

.hero-glow {
  position: absolute;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(20px);
  opacity: 0.6;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.04); opacity: 0.7; }
}

/* === MANIFESTO === */
.manifesto {
  padding: 100px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.manifesto-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 32px;
}

.manifesto-text {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--fg);
  font-style: normal;
  margin-bottom: 32px;
}

.manifesto-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* === ATMOSPHERES (STAGES) === */
.atmospheres {
  padding: 100px 48px;
}

.atmospheres-header {
  max-width: 1200px;
  margin: 0 auto 64px;
}

.atmospheres-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.atmospheres-headline {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.stages-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  max-width: 1200px;
  margin: 0 auto;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stage {
  background: var(--surface);
  padding: 36px 28px;
  transition: background 0.3s;
}

.stage:hover {
  background: var(--surface-2);
}

.stage-accent {
  background: var(--accent-glow);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.stage-num {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 20px;
}

.stage-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
  line-height: 1.3;
}

.stage-desc {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* === PHILOSOPHY === */
.philosophy {
  padding: 80px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
}

.philosophy-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.phil-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 12px;
}

.phil-title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
}

.phil-text {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* === CLOSING === */
.closing {
  padding: 120px 48px;
  text-align: center;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing-label {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin-bottom: 28px;
}

.closing-headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.closing-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.closing-sub--accent {
  color: var(--accent);
  font-weight: 500;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--fg);
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
}

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

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .nav { padding: 20px 24px; }
  .hero { padding: 60px 24px 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .manifesto { padding: 72px 24px; }
  .atmospheres { padding: 72px 24px; }
  .stages-grid { grid-template-columns: 1fr; }
  .philosophy { padding: 72px 24px; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 36px; }
  .closing { padding: 80px 24px; }
  .footer { padding: 36px 24px; }
}

@media (max-width: 480px) {
  .hero-pillars { gap: 28px; }
}