/* =============================================
   DESIGN TOKENS
   ============================================= */
:root {
  --bg:            #080810;
  --bg-card:       #0e0e1a;
  --bg-card-hover: #13132a;
  --border:        rgba(255,255,255,0.06);
  --border-hover:  rgba(255,255,255,0.14);

  --gold:       #c9a84c;
  --gold-light: #e8c97a;
  --gold-dim:   rgba(201,168,76,0.10);
  --gold-glow:  rgba(201,168,76,0.25);

  --violet:     #7c6bff;
  --violet-dim: rgba(124,107,255,0.12);

  --text:       #eceae4;
  --text-muted: #8a8880;
  --text-dim:   #44423f;

  --serif: 'Playfair Display', Georgia, serif;
  --mono:  'JetBrains Mono', monospace;
  --sans:  'DM Sans', sans-serif;

  --radius: 2px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* noise grain */
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 9999; opacity: 0.5;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1 {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--text);
}
h2 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--text);
}
h3 {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--gold);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  background: var(--gold);
  color: #080810;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.15);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--gold-glow);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border-hover);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--gold-dim);
}

/* =============================================
   NAV
   ============================================= */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 1.25rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(8,8,16,0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: padding var(--transition), background var(--transition);
}
#main-nav.scrolled {
  padding: 0.9rem 3rem;
  background: rgba(8,8,16,0.92);
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--gold);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}
.nav-link {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-link:hover,
.nav-link.active { color: var(--gold); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* Mobile toggle */
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-mobile-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text-muted);
  transition: all 0.3s;
}
.nav-mobile-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-mobile-toggle.open span:nth-child(2) { opacity: 0; }
.nav-mobile-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px,-4.5px); }

.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(8,8,16,0.97);
  backdrop-filter: blur(20px);
  z-index: 490;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.nav-mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}
.nav-mobile-menu ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}
.nav-mobile-menu a {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav-mobile-menu a:hover,
.nav-mobile-menu a.active { color: var(--gold); }

/* =============================================
   PAGE WRAPPER
   ============================================= */
.page-wrapper {
  padding-top: 80px;
  min-height: 100vh;
}

/* =============================================
   SECTION BASE
   ============================================= */
.section {
  padding: 7rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}
.section-full {
  padding: 7rem 3rem;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 3rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-brand {
  font-family: var(--mono);
  font-size: 0.95rem;
}
.footer-links {
  display: flex;
  gap: 1rem;
}
.footer-social {
  color: var(--text-dim);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.footer-social:hover {
  color: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 12px var(--gold-dim);
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}
.footer-dot { color: var(--gold); margin: 0 0.4rem; }

/* =============================================
   STAT CARDS
   ============================================= */
.stat-card {
  padding: 1.75rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.stat-card:hover {
  border-color: var(--gold);
  box-shadow: 0 0 20px var(--gold-dim);
}
.stat-number {
  font-family: var(--serif);
  font-size: 2.8rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* =============================================
   SKILL TAGS
   ============================================= */
.skill-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.15s;
  letter-spacing: 0.03em;
  cursor: default;
}
.skill-tag:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-dim);
}

/* =============================================
   PAGE TRANSITION OVERLAY
   ============================================= */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--gold);
  z-index: 9000;
  transform: scaleY(0);
  transform-origin: bottom;
  pointer-events: none;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  #main-nav { padding: 1rem 1.5rem; }
  #main-nav.scrolled { padding: 0.75rem 1.5rem; }
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .section { padding: 5rem 1.5rem; }
  .section-full { padding: 5rem 1.5rem; }
  .site-footer { padding: 2rem 1.5rem; }
  .footer-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 600px) {
  .section { padding: 4rem 1.25rem; }
}