/* ===========================
   GLOBAL DESIGN SYSTEM
   =========================== */

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

:root {
  --bg:        #0a0a0b;
  --bg-2:      #111114;
  --bg-3:      #18181d;
  --border:    rgba(255,255,255,0.07);
  --border-h:  rgba(255,255,255,0.14);
  --text:      #e8e6e0;
  --text-muted:#8a8780;
  --text-dim:  #4a4846;
  --accent:    #c8a96e;
  --accent-2:  #6e9ec8;
  --accent-glow: rgba(200,169,110,0.15);

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-mono:  'DM Mono', 'Courier New', monospace;

  --radius: 2px;
  --nav-h: 64px;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.nav.scrolled {
  background: rgba(10,10,11,0.85);
  backdrop-filter: blur(12px);
  border-color: var(--border);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  position: relative;
  transition: color 0.2s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease-out-expo);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

/* Mobile nav */
@media (max-width: 640px) {
  .nav { padding: 0 24px; }

  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: var(--bg-2);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 0;
    transform: translateY(-110%);
    transition: transform 0.4s var(--ease-out-expo);
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open { transform: translateY(0); }

  .nav-links li { width: 100%; text-align: center; }

  .nav-link {
    display: block;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
  }

  .nav-hamburger { display: flex; }
}

/* ===========================
   SHARED COMPONENTS
   =========================== */

.btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  border-radius: var(--radius);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: #d9bb84;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,169,110,0.3);
}

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

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

/* Reveal animation */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

[data-reveal].revealed {
  opacity: 1;
  transform: none;
}

/* Page header */
.page-header {
  padding: calc(var(--nav-h) + 80px) 40px 60px;
  max-width: 1100px;
  margin: 0 auto;
}

.page-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.page-label::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.page-title {
  font-family: var(--font-serif);
  font-size: clamp(48px, 7vw, 90px);
  font-weight: 300;
  line-height: 1.05;
  color: var(--text);
}

.page-title em {
  font-style: italic;
  color: var(--accent);
}

/* Divider */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 60px 0;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }