:root {
  --bg: #0a0a0b;
  --surface: #111113;
  --foreground: #ededed;
  --muted: #8a8a93;
  --hairline: #1f1f23;
  --primary: #f0b429;
  --primary-fg: #1a1300;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--foreground);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.accent { color: var(--primary); }
.muted { color: var(--muted); }
.glow { color: var(--foreground); text-shadow: 0 0 24px rgba(240, 180, 41, 0.35); }

.container { max-width: 1024px; margin: 0 auto; padding: 0 24px; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(10, 10, 11, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; }
.brand { font-size: 14px; letter-spacing: -0.01em; }
.nav-links { display: none; gap: 32px; font-size: 14px; color: var(--muted); }
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: var(--foreground); }
.badge {
  display: none; align-items: center; gap: 6px;
  border: 1px solid var(--hairline); border-radius: 999px;
  padding: 6px 12px; font-size: 12px; font-weight: 500;
  transition: border-color 0.2s, color 0.2s;
}
.badge:hover { border-color: var(--primary); color: var(--primary); }
.badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary); box-shadow: 0 0 12px var(--primary);
}
@media (min-width: 640px) {
  .nav-links { display: flex; }
  .badge { display: inline-flex; }
}

/* HERO */
.hero { position: relative; padding: 96px 0 128px; }
.grid-bg {
  position: absolute; inset: 0 0 auto 0; height: 520px; z-index: -1;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at top, black 30%, transparent 75%);
}
.eyebrow {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.2em;
  color: var(--muted);
}
.hero-title {
  margin-top: 24px;
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 600; line-height: 1.05; letter-spacing: -0.02em;
}
.hero-text {
  margin-top: 32px; max-width: 640px;
  font-size: 18px; line-height: 1.7; color: var(--muted);
}
.cta-row { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 999px;
  font-size: 14px; font-weight: 500;
  transition: opacity 0.2s, border-color 0.2s;
}
.btn-primary { background: var(--primary); color: var(--primary-fg); }
.btn-primary:hover { opacity: 0.9; }
.btn-ghost { border: 1px solid var(--hairline); }
.btn-ghost:hover { border-color: var(--foreground); }

/* SECTIONS */
.section { border-top: 1px solid var(--hairline); padding: 96px 0; }
.section-label { display: flex; align-items: baseline; gap: 16px; }
.section-label h2 {
  font-size: 13px; font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.2em; color: var(--muted);
}
.section-label .rule { flex: 1; height: 1px; background: var(--hairline); }

/* ABOUT */
.about-grid { margin-top: 40px; display: grid; gap: 48px; }
.about-text { font-size: 20px; line-height: 1.7; }
.about-text strong { color: var(--foreground); font-weight: 600; }
.about-rows { display: flex; flex-direction: column; gap: 16px; font-size: 14px; }
.about-rows .row {
  display: flex; justify-content: space-between; gap: 24px;
  border-bottom: 1px solid var(--hairline); padding-bottom: 12px;
}
.about-rows dt {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted);
}
@media (min-width: 640px) {
  .about-grid { grid-template-columns: 3fr 2fr; }
}

/* STACK */
.stack-grid { margin-top: 40px; display: grid; gap: 32px; }
.stack-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 12px; padding: 24px;
}
.stack-card h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.18em; color: var(--primary);
  font-weight: 500;
}
.stack-card ul { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.stack-card li {
  border: 1px solid var(--hairline); border-radius: 6px;
  padding: 4px 10px; font-size: 14px;
}
@media (min-width: 640px) { .stack-grid { grid-template-columns: 1fr 1fr; } }

/* PROJECTS */
.projects { list-style: none; margin-top: 40px; }
.projects li { border-bottom: 1px solid var(--hairline); }
.projects a {
  display: grid; grid-template-columns: auto 1fr; gap: 16px;
  padding: 32px 8px; transition: background 0.2s;
}
.projects a:hover { background: rgba(17, 17, 19, 0.4); }
.projects a:hover .arrow { color: var(--primary); transform: translate(2px, -2px); }
.proj-num { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--muted); }
.proj-body h3 {
  font-size: 24px; font-weight: 500; letter-spacing: -0.01em;
}
.proj-body .arrow {
  display: inline-block; margin-left: 6px; color: var(--muted);
  transition: transform 0.2s, color 0.2s;
}
.proj-body p { margin-top: 8px; max-width: 560px; color: var(--muted); }
.proj-tags {
  margin-top: 12px; display: flex; flex-wrap: wrap; gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted);
}

/* CONTACT */
.contact-grid { margin-top: 40px; display: grid; gap: 40px; }
.contact-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 600; line-height: 1.1; letter-spacing: -0.02em;
}
.contact-sub { margin-top: 16px; }
.contact-list { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: 10px; padding: 16px 20px;
  transition: border-color 0.2s;
}
.contact-link:hover { border-color: var(--primary); }
.contact-link .ic { color: var(--primary); }
.contact-link .lbl {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted);
}
.contact-link .val { font-size: 14px; }
@media (min-width: 640px) { .contact-grid { grid-template-columns: 1fr 1fr; } }

/* FOOTER */
.footer { border-top: 1px solid var(--hairline); padding: 40px 0; }
.footer-inner {
  display: flex; flex-direction: column; gap: 12px;
  font-size: 12px; color: var(--muted);
}
@media (min-width: 640px) {
  .footer-inner { flex-direction: row; justify-content: space-between; align-items: center; }
}