@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300&family=IBM+Plex+Mono:wght@300;400&family=Outfit:wght@300;400;500&display=swap');

:root {
  --bg:      #F7F6F2;
  --surface: #EEECEA;
  --ink:     #111010;
  --muted:   #6B6864;
  --accent:  #1443FF;
  --rule:    #D8D5CF;
  --mono:    'IBM Plex Mono', monospace;
  --serif:   'Cormorant Garamond', Georgia, serif;
  --sans:    'Outfit', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-weight: 300;
  line-height: 1.7; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* ── Nav ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 5vw;
  background: rgba(247,246,242,0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
nav.scrolled { border-color: var(--rule); }
.nav-logo { font-family: var(--serif); font-size: 1.1rem; font-weight: 600; }
.nav-links { display: flex; gap: 2.4rem; list-style: none; }
.nav-links a {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted); transition: color 0.2s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 1px; background: var(--accent); transition: width 0.25s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }

/* ── Section basics ── */
section { padding: 7rem 5vw; }
.section-label {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1.8rem;
  display: flex; align-items: center; gap: 0.8rem;
}
.section-label::after {
  content: ''; flex: 1; max-width: 48px; height: 1px;
  background: var(--accent); opacity: 0.5;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.8rem; font-family: var(--mono); font-size: 0.73rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--ink); background: transparent; cursor: pointer;
  transition: background 0.22s, color 0.22s, border-color 0.22s;
}
.btn:hover { background: var(--ink); color: var(--bg); }
.btn.primary { background: var(--ink); color: var(--bg); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); }

/* ── Skill / tag chips ── */
.skill-tag {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em;
  padding: 0.3rem 0.8rem; background: var(--surface); color: var(--ink);
}

/* ── Footer ── */
footer {
  padding: 2.5rem 5vw; border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.footer-name { font-family: var(--serif); font-size: 0.95rem; }
.footer-note { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.08em; color: var(--muted); }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── Mobile nav toggle ── */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px; z-index: 101;
}
.nav-toggle span {
  display: block; width: 22px; height: 1.5px; background: var(--ink);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(17,16,16,0.3); z-index: 98;
}
.nav-overlay.visible { display: block; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { gap: 1.4rem; }
}

@media (max-width: 640px) {
  section { padding: 4rem 6vw; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: 0; right: 0;
    width: min(72vw, 260px); height: 100dvh;
    background: var(--bg); border-left: 1px solid var(--rule);
    flex-direction: column; gap: 2rem;
    padding: 5.5rem 2rem 3rem;
    transform: translateX(110%);
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
    z-index: 100; align-items: flex-start;
  }
  .nav-links a { font-size: 0.82rem; }
  nav.nav-open .nav-links { transform: translateX(0); }
  nav.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  nav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  nav.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .btn { padding: 0.65rem 1.4rem; font-size: 0.7rem; }
}