/* ─────────────────────────────  CORTEX  ─────────────────────────────
   Dark modern theme. Violet + cyan accents. System fonts for speed.
   ──────────────────────────────────────────────────────────────────── */

:root {
  --bg: #07070c;
  --bg-elev: #0e0e18;
  --bg-card: #11111c;
  --bg-card-hover: #161624;
  --border: #1f1f33;
  --border-strong: #2c2c47;
  --text: #ececf2;
  --text-dim: #9b9bad;
  --text-faint: #62627a;
  --accent: #a78bfa;          /* violet 400 */
  --accent-strong: #c4b5fd;   /* violet 300 */
  --accent-2: #22d3ee;        /* cyan 400 */
  --accent-2-strong: #67e8f9; /* cyan 300 */
  --glow-violet: rgba(167, 139, 250, 0.18);
  --glow-cyan: rgba(34, 211, 238, 0.16);
  --radius: 18px;
  --radius-sm: 10px;
  --shadow-card: 0 1px 0 rgba(255,255,255,0.04) inset, 0 30px 80px -40px rgba(0,0,0,0.8);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-image:
    radial-gradient(1200px 600px at 15% -10%, var(--glow-violet), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, var(--glow-cyan), transparent 60%);
  background-attachment: fixed;
  min-height: 100vh;
}

a { color: var(--accent-strong); text-decoration: none; }
a:hover { color: var(--accent-2-strong); }

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(167, 139, 250, 0.12);
  color: var(--accent-strong);
  border: 1px solid rgba(167, 139, 250, 0.18);
}
em { font-style: italic; color: var(--accent-2-strong); }

/* ─────────────────  NAV  ───────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  backdrop-filter: blur(12px);
  background: rgba(7, 7, 12, 0.7);
  border-bottom: 1px solid var(--border);
}
.nav__brand {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent-2-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav__links { display: flex; gap: 24px; }
.nav__links a {
  font-size: 0.9rem;
  color: var(--text-dim);
  font-weight: 500;
}
.nav__links a:hover { color: var(--text); }

/* ─────────────────  HERO  ───────────────── */
.hero {
  padding: 120px 32px 80px;
  max-width: 1100px;
  margin: 0 auto;
}
.hero__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 24px;
}
.hero__title {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, var(--accent-strong) 55%, var(--accent-2-strong) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lede {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-dim);
  max-width: 720px;
  line-height: 1.65;
}
.hero__stats {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.hero__stat .num {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent-2-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__stat .label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-top: 6px;
}

/* ─────────────────  CATEGORY SECTIONS  ───────────────── */
.section {
  padding: 80px 32px;
  max-width: 1280px;
  margin: 0 auto;
}
.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
}
.section__title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: 0;
  letter-spacing: -0.01em;
  font-weight: 700;
}
.section__title .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 14px;
  vertical-align: middle;
  transform: translateY(-3px);
}
.section--work .section__title .dot { background: var(--accent-2); box-shadow: 0 0 16px var(--accent-2); }
.section--personal .section__title .dot { background: var(--accent); box-shadow: 0 0 16px var(--accent); }
.section__sub {
  color: var(--text-faint);
  font-size: 0.92rem;
  max-width: 420px;
  text-align: right;
}

/* ─────────────────  GRID + CARDS  ───────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
  box-shadow: var(--shadow-card);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.card__image {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #1a1a2e, #0e0e18);
  overflow: hidden;
  position: relative;
}
.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms ease;
}
.card:hover .card__image img { transform: scale(1.04); }
.card__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(7, 7, 12, 0.6) 100%);
  pointer-events: none;
}
.card__image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
  background:
    radial-gradient(800px 400px at 20% 0%, var(--glow-violet), transparent 60%),
    radial-gradient(600px 300px at 100% 100%, var(--glow-cyan), transparent 60%),
    var(--bg-card);
}

.card__body {
  padding: 24px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}
.card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}
.card__subtitle {
  margin: -10px 0 0;
  color: var(--text-dim);
  font-size: 0.92rem;
  font-style: italic;
  line-height: 1.45;
}
.card__story {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0;
}
.card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 8px;
}
.card__stack span {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.18);
  color: var(--accent-strong);
}
.card[data-category="work"] .card__stack span {
  background: rgba(34, 211, 238, 0.08);
  border-color: rgba(34, 211, 238, 0.18);
  color: var(--accent-2-strong);
}

/* ─────────────────  FOOTER  ───────────────── */
.footer {
  padding: 80px 32px 60px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-faint);
  font-size: 0.86rem;
  margin-top: 60px;
}
.footer__brand {
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent-2-strong));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
}

/* ─────────────────  RESPONSIVE  ───────────────── */
@media (max-width: 720px) {
  .nav { padding: 14px 20px; }
  .nav__links { gap: 14px; }
  .hero { padding: 80px 20px 60px; }
  .section { padding: 48px 20px; }
  .section__head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section__sub { text-align: left; }
  .grid { grid-template-columns: 1fr; gap: 20px; }
}

/* ─────────────────  ENTRANCE  ───────────────── */
.card {
  opacity: 0;
  transform: translateY(20px);
  animation: cardIn 600ms ease forwards;
}
.card:nth-child(2) { animation-delay: 60ms; }
.card:nth-child(3) { animation-delay: 120ms; }
.card:nth-child(4) { animation-delay: 180ms; }
.card:nth-child(5) { animation-delay: 240ms; }
.card:nth-child(6) { animation-delay: 300ms; }
.card:nth-child(7) { animation-delay: 360ms; }
.card:nth-child(8) { animation-delay: 420ms; }
.card:nth-child(n+9) { animation-delay: 480ms; }
@keyframes cardIn {
  to { opacity: 1; transform: translateY(0); }
}