/* ============================================
   GLOBAL STYLES & DESIGN TOKENS
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Mono:wght@300;400;500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --bg: #0e0e0e;
  --bg-2: #161616;
  --bg-3: #1f1f1f;
  --surface: #252525;
  --border: #2e2e2e;
  --border-light: #383838;
  --text: #f0ebe0;
  --text-muted: #888880;
  --text-faint: #4a4a46;
  --accent: #d4a843;
  --accent-dim: #a07a28;
  --accent-glow: rgba(212, 168, 67, 0.15);
  --danger: #c0392b;
  --success: #27ae60;
  --warning: #e67e22;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;

  --radius: 4px;
  --radius-lg: 8px;
  --transition: 0.2s ease;
  --transition-slow: 0.5s ease;

  --max-w: 1160px;
  --nav-h: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  border-bottom: 1px solid transparent;
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

.nav.scrolled {
  background: rgba(14, 14, 14, 0.95);
  border-color: var(--border);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

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

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.5rem 1.2rem;
  background: var(--accent);
  color: #0e0e0e;
  border-radius: var(--radius);
  font-weight: 500;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: #e8b94a;
  transform: translateY(-1px);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: all var(--transition);
}

/* ============================================
   UTILITIES
   ============================================ */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin-top: 1rem;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #0e0e0e;
}

.btn-primary:hover {
  background: #e8b94a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 168, 67, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  background: var(--bg-3);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.tag-accent {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: var(--accent-dim);
}

/* Fade-in on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   FOOTER
   ============================================ */

.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  margin-top: 4rem;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.footer-logo span { color: var(--accent); }

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
}

/* ============================================
   NOISE TEXTURE OVERLAY
   ============================================ */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(14,14,14,0.98);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
    gap: 1.5rem;
    backdrop-filter: blur(12px);
  }
  .section { padding: 4rem 0; }
}