/* Palette mirrors the zibdie portfolio (void = slate, cyber = cyan) */
:root {
  --void-950: #020617;
  --void-900: #0f172a;
  --void-800: #1e293b;
  --void-400: #94a3b8;
  --void-300: #cbd5e1;
  --void-100: #f1f5f9;
  --cyber-400: #22d3ee;
  --cyber-500: #06b6d4;
  --cyber-600: #0891b2;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--void-950);
  color: var(--void-300);
  line-height: 1.6;
}

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

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--void-800);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--void-100);
  letter-spacing: 0.02em;
}

.nav-links { display: flex; gap: 1.75rem; font-size: 0.95rem; }
.nav-links a { color: var(--void-400); transition: color 0.2s; }
.nav-links a:hover { color: var(--cyber-400); }

/* Hero */
.hero {
  padding: 7rem 0 6rem;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(6, 182, 212, 0.15), transparent 55%),
    var(--void-950);
}

.eyebrow {
  color: var(--cyber-400);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

h1, h2, h3 { color: var(--void-100); line-height: 1.2; }

h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 18ch;
  margin: 0 0 1.5rem;
}

.lead { max-width: 60ch; font-size: 1.1rem; color: var(--void-400); margin: 0 0 2.5rem; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.btn-primary { background: var(--cyber-500); color: var(--void-950); }
.btn-primary:hover { background: var(--cyber-400); }

.btn-ghost { border-color: var(--void-800); color: var(--void-300); }
.btn-ghost:hover { border-color: var(--cyber-500); color: var(--cyber-400); }

/* Sections */
.section { padding: 5rem 0; }
.section-alt { background: var(--void-900); }

h2 { font-size: 2rem; margin: 0 0 2.5rem; }
h3 { font-size: 1.1rem; margin: 0 0 0.5rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.card {
  padding: 1.75rem;
  background: var(--void-900);
  border: 1px solid var(--void-800);
  transition: border-color 0.2s;
}

.card:hover { border-color: var(--cyber-600); }
.card p { margin: 0; color: var(--void-400); font-size: 0.95rem; }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.steps p { margin: 0; color: var(--void-400); }

.step-num {
  display: block;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  color: var(--cyber-400);
  margin-bottom: 0.75rem;
}

.contact p { color: var(--void-400); margin: 0 0 2rem; }

/* Footer */
.footer {
  border-top: 1px solid var(--void-800);
  padding: 2rem 0;
  font-size: 0.85rem;
  color: var(--void-400);
}

.footer p { margin: 0; }

/* 404 page */
.not-found {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 600px) {
  .nav-links { gap: 1rem; font-size: 0.85rem; }
  .hero { padding: 5rem 0 4rem; }
}