@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

:root {
  --bg: #0a0a0a;
  --bg2: #111111;
  --bg3: #1a1a1a;
  --surface: #161616;
  --border: #222222;
  --text: #f0ede8;
  --text-muted: #666;
  --text-sub: #999;
  --accent: #c8f04a;
  --accent2: #4af0c8;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

*, *::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(--font-body);
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 3rem;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  z-index: 201;
  position: relative;
}

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

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

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

.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

/* ─── HAMBURGER BUTTON ─── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 201;
  position: relative;
  padding: 4px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── MOBILE FULLSCREEN MENU ─── */
.nav-mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 199;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}

.nav-mobile-menu.open { display: flex; }

.nav-mobile-menu a {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-mobile-menu a:hover,
.nav-mobile-menu a.active { color: var(--accent); }

/* ─── MAIN LAYOUT ─── */
main { padding-top: 4.5rem; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
}

.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #d4ff55; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ─── SECTION LABELS ─── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--accent);
}

/* ─── SKILL TAGS ─── */
.tag {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-sub);
  transition: all 0.2s;
}

.tag:hover { border-color: var(--accent); color: var(--accent); }

/* ─── CARDS ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s;
}

.card:hover { border-color: #333; transform: translateY(-2px); }

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6rem;
}

footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-display);
  letter-spacing: 0.05em;
}

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

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

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

/* ─── ANIMATIONS ─── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.7s ease forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.45s; }
.delay-5 { animation-delay: 0.6s; }

/* ════════════════════════════
   GLOBAL MOBILE STYLES
════════════════════════════ */
@media (max-width: 768px) {
  nav { padding: 1.1rem 1.5rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  main { padding-top: 4rem; }
  .btn { padding: 0.75rem 1.4rem; font-size: 0.75rem; }

  footer {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
    padding: 2rem 1.5rem;
    margin-top: 3rem;
  }

  .footer-links { flex-wrap: wrap; justify-content: center; gap: 1.2rem; }
}