:root {
  --bg: oklch(0.16 0.03 150);
  --fg: oklch(0.97 0.02 150);
  --primary: oklch(0.85 0.17 145);
  --primary-glow: oklch(0.92 0.14 170);
  --secondary: oklch(0.22 0.03 150);
  --muted: oklch(0.72 0.04 150);
  --border: oklch(0.32 0.04 150 / 60%);
  --gradient-primary: linear-gradient(135deg, oklch(0.85 0.17 145), oklch(0.92 0.14 170));
  --gradient-hero: radial-gradient(ellipse at top, oklch(0.45 0.18 150 / 45%), transparent 60%),
    linear-gradient(180deg, oklch(0.16 0.03 150), oklch(0.12 0.02 150));
  --shadow-card: 0 10px 40px -10px oklch(0.10 0.02 150 / 60%);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--fg);
  background: var(--gradient-hero);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

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

.container { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; max-width: 72rem; margin: 0 auto; }
.logo { font-family: var(--mono); font-size: 1.125rem; font-weight: 600; letter-spacing: -0.02em; }
.logo-text { display: inline-flex; align-items: baseline; }
.logo-rest { display: inline-flex; overflow: hidden; }
.logo-rest span {
  display: inline-block;
  transition: opacity 300ms ease-out, width 300ms ease-out, transform 300ms ease-out;
}
.logo-dot { color: var(--primary); }
.nav-links { display: flex; gap: 1.5rem; font-size: 0.875rem; color: var(--muted); }
.nav-links a { transition: color 200ms; }
.nav-links a:hover { color: var(--fg); }

/* Hero */
.hero { padding: 4rem 1.5rem 5rem; }
@media (min-width: 768px) { .hero { padding-top: 7rem; } }

.badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--secondary) 40%, transparent);
  border-radius: 9999px; padding: 0.25rem 0.75rem;
  font-family: var(--mono); font-size: 0.75rem; color: var(--muted);
  margin-bottom: 1.5rem; backdrop-filter: blur(8px);
}
.dot { position: relative; display: inline-flex; height: 0.5rem; width: 0.5rem; }
.ping { position: absolute; inset: 0; background: var(--primary); border-radius: 9999px; opacity: 0.75; animation: ping 1.5s cubic-bezier(0,0,0.2,1) infinite; }
.dot-inner { position: relative; height: 0.5rem; width: 0.5rem; background: var(--primary); border-radius: 9999px; }
@keyframes ping { 75%, 100% { transform: scale(2); opacity: 0; } }

.eyebrow { font-family: var(--mono); font-size: 0.875rem; color: var(--primary); margin-bottom: 0.75rem; }
.hero-title { max-width: 48rem; font-size: 3rem; font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; }
@media (min-width: 768px) { .hero-title { font-size: 4.5rem; } }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { margin-top: 1.5rem; max-width: 42rem; font-size: 1.125rem; color: var(--muted); }

.chips { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  font-family: var(--mono); font-size: 0.75rem; color: var(--muted);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--secondary) 40%, transparent);
  border-radius: 0.375rem; padding: 0.25rem 0.625rem;
}

/* Sections */
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 2.5rem; }
.num { font-family: var(--mono); font-size: 0.75rem; color: var(--primary); }
.section-head h2 { margin-top: 0.25rem; font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; }
@media (min-width: 768px) { .section-head h2 { font-size: 1.875rem; } }
.meta { font-family: var(--mono); font-size: 0.875rem; color: var(--muted); }

.projects-section { padding-bottom: 6rem; }

.grid { display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .grid { grid-template-columns: 1fr 1fr; } }

.card {
  position: relative; overflow: hidden;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--secondary) 30%, transparent);
  border-radius: 1rem; padding: 1.75rem;
  backdrop-filter: blur(8px);
  transition: transform 300ms, border-color 300ms;
  box-shadow: var(--shadow-card);
  display: block;
}
.card:hover { transform: translateY(-4px); border-color: color-mix(in oklab, var(--primary) 40%, transparent); }
.card::before {
  content: ""; position: absolute; right: -5rem; top: -5rem;
  height: 14rem; width: 14rem; border-radius: 9999px;
  background: var(--gradient-primary);
  opacity: 0; filter: blur(48px);
  transition: opacity 500ms;
  pointer-events: none;
}
.card:hover::before { opacity: 0.6; }

.card-top { position: relative; display: flex; align-items: flex-start; justify-content: space-between; }
.icon-tile {
  display: flex; align-items: center; justify-content: center;
  height: 3rem; width: 3rem; border-radius: 0.75rem; color: white;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.2);
}
.icon { width: 1.5rem; height: 1.5rem; }
.arrow { width: 1.25rem; height: 1.25rem; color: var(--muted); transition: transform 300ms, color 300ms; }
.card:hover .arrow { color: var(--fg); transform: translate(2px, -2px); }

.card h3 { position: relative; margin-top: 1.5rem; font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; }
.tagline { position: relative; margin-top: 0.25rem; font-size: 0.875rem; font-weight: 500; color: var(--primary); }
.desc { position: relative; margin-top: 1rem; font-size: 0.9375rem; line-height: 1.6; color: var(--muted); }
.url-row {
  position: relative; margin-top: 1.25rem; display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.75rem; color: color-mix(in oklab, var(--muted) 80%, transparent);
}
.term { width: 0.875rem; height: 0.875rem; }

/* Contact */
.contact-section { padding-bottom: 6rem; }
.contact-card {
  position: relative; overflow: hidden;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--secondary) 30%, transparent);
  border-radius: 1.5rem; padding: 2.5rem;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-card);
}
@media (min-width: 768px) { .contact-card { padding: 3.5rem; } }
.contact-glow {
  position: absolute; right: -8rem; top: -8rem;
  height: 18rem; width: 18rem; border-radius: 9999px;
  background: var(--gradient-primary); opacity: 0.4; filter: blur(48px);
  pointer-events: none;
}
.contact-card h2 { position: relative; margin-top: 0.25rem; font-size: 1.875rem; font-weight: 600; letter-spacing: -0.02em; }
@media (min-width: 768px) { .contact-card h2 { font-size: 2.25rem; } }
.contact-card .num { position: relative; }
.contact-sub { position: relative; margin-top: 1rem; max-width: 36rem; font-size: 0.9375rem; color: var(--muted); }
.get-in-touch { position: relative; margin-top: 2rem; font-size: 0.875rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: var(--primary); }
.contact-actions { position: relative; margin-top: 0.75rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.mail-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid color-mix(in oklab, var(--primary) 40%, transparent);
  background: color-mix(in oklab, var(--primary) 10%, transparent);
  border-radius: 0.75rem; padding: 0.75rem 1.25rem;
  font-size: 1rem; font-weight: 500; color: var(--fg);
  transition: all 200ms;
}
.mail-btn:hover { border-color: var(--primary); background: color-mix(in oklab, var(--primary) 20%, transparent); }
.mail-icon { width: 1rem; height: 1rem; color: var(--primary); }
.copy-btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 3rem; width: 3rem; border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--secondary) 60%, transparent);
  color: var(--muted); cursor: pointer; transition: all 200ms;
}
.copy-btn:hover { border-color: color-mix(in oklab, var(--primary) 60%, transparent); color: var(--fg); }
.copy-icon { width: 1rem; height: 1rem; }
.copied-msg { font-size: 0.875rem; color: var(--muted); }

/* Footer */
.footer { border-top: 1px solid var(--border); }
.footer-inner {
  display: flex; flex-direction: column; gap: 1rem;
  align-items: flex-start; justify-content: space-between;
  padding: 2.5rem 1.5rem; max-width: 72rem; margin: 0 auto;
  font-size: 0.875rem; color: var(--muted);
}
@media (min-width: 640px) { .footer-inner { flex-direction: row; align-items: center; } }
.github-link { display: inline-flex; align-items: center; gap: 0.5rem; transition: color 200ms; }
.github-link:hover { color: var(--fg); }
.gh-icon { width: 1rem; height: 1rem; }