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

:root {
  --bg: #080c14;
  --bg-surface: #0e1520;
  --bg-card: #111a28;
  --fg: #e8edf5;
  --fg-muted: #6b7d96;
  --fg-dim: #3d5068;
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.12);
  --accent-glow: rgba(0, 212, 255, 0.25);
  --border: rgba(255,255,255,0.06);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.75; }

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(8,12,20,0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  text-decoration: none;
}
.logo-mark {
  font-size: 18px;
  color: var(--accent);
  line-height: 1;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--fg);
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--fg-muted);
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #00e676;
  box-shadow: 0 0 8px rgba(0,230,118,0.6);
  animation: pulse-dot 2.5s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 40px 80px;
}

.orbital-bg {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -55%);
  width: 680px; height: 680px;
  pointer-events: none;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.15);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.orbit-ring-1 { width: 320px; height: 320px; animation: spin-cw 18s linear infinite; }
.orbit-ring-2 { width: 480px; height: 480px; border-color: rgba(0,212,255,0.08); animation: spin-ccw 28s linear infinite; }
.orbit-ring-3 { width: 640px; height: 640px; border-color: rgba(0,212,255,0.04); animation: spin-cw 42s linear infinite; }

@keyframes spin-cw { from { transform: translate(-50%,-50%) rotate(0deg); } to { transform: translate(-50%,-50%) rotate(360deg); } }
@keyframes spin-ccw { from { transform: translate(-50%,-50%) rotate(0deg); } to { transform: translate(-50%,-50%) rotate(-360deg); } }

.orbit-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(0,212,255,0.15);
}
.orbit-node {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.orbit-node-1 { top: calc(50% - 160px); left: 50%; transform: translateX(-50%); }
.orbit-node-2 { top: 50%; left: calc(50% + 240px); transform: translateY(-50%); }
.orbit-node-3 { top: calc(50% + 160px); left: 50%; transform: translateX(-50%); }

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  margin-bottom: 32px;
}
.badge-text {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 6px 16px;
  border-radius: 100px;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(52px, 7vw, 88px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-lede {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 520px;
  margin: 0 auto;
}

/* === FEATURES === */
.features {
  padding: 120px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.section-header {
  margin-bottom: 64px;
  text-align: center;
}
.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}
.feature-card {
  background: var(--bg-card);
  padding: 40px;
  border: 1px solid var(--border);
  transition: border-color 0.3s, transform 0.3s;
}
.feature-card:hover {
  border-color: rgba(0,212,255,0.2);
  transform: translateY(-2px);
}
.feature-icon {
  margin-bottom: 24px;
  opacity: 0.9;
}
.feature-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--fg);
  margin-bottom: 12px;
}
.feature-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-muted);
}

/* === PHILOSOPHY === */
.philosophy {
  padding: 100px 40px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.philosophy-inner {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 60px;
  align-items: start;
}
.philosophy-label { padding-top: 6px; }
.philosophy-quote {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 2.5vw, 30px);
  line-height: 1.4;
  color: var(--fg);
  font-style: normal;
  margin-bottom: 28px;
}
.philosophy-body {
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg-muted);
}

/* === MANIFESTO === */
.manifesto {
  padding: 100px 40px;
  background: var(--bg-surface);
}
.manifesto-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.manifesto-item {
  background: var(--bg-surface);
  padding: 48px 40px;
}
.manifesto-number {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  display: block;
  margin-bottom: 24px;
}
.manifesto-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--fg);
  margin-bottom: 14px;
}
.manifesto-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-muted);
}

/* === CLOSING === */
.closing {
  padding: 120px 40px;
  text-align: center;
}
.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}
.closing-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}
.closing-body {
  font-size: 17px;
  line-height: 1.7;
  color: var(--fg-muted);
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--fg);
}
.footer-tagline {
  font-size: 12px;
  color: var(--fg-muted);
}
.footer-meta {
  font-size: 12px;
  color: var(--fg-dim);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav { padding: 0 20px; }
  .hero { padding: 100px 20px 60px; }
  .orbital-bg { width: 400px; height: 400px; }
  .orbit-ring-1 { width: 200px; height: 200px; }
  .orbit-ring-2 { width: 300px; height: 300px; }
  .orbit-ring-3 { width: 400px; height: 400px; }
  .features { padding: 80px 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .philosophy-inner { grid-template-columns: 1fr; gap: 24px; }
  .manifesto { padding: 60px 20px; }
  .manifesto-grid { grid-template-columns: 1fr; }
  .closing { padding: 80px 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer { padding: 24px 20px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 44px; }
  .hero-lede { font-size: 16px; }
}

/* === POLISH === */
::selection { background: var(--accent-dim); color: var(--accent); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-card); border-radius: 3px; }