@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Syne:wght@400;600;700;800&display=swap');

/* ─── DESIGN TOKENS ─────────────────────────────────────────────────────── */

:root {
  --bg:        #080c10;
  --bg2:       #0d1117;
  --bg3:       #111820;
  --border:    #1e2d3d;
  --border2:   #2a3f55;
  --text:      #cdd9e5;
  --muted:     #586e87;
  --accent:    #00e5ff;
  --accent2:   #7b61ff;
  --accent3:   #ff4ecd;
  --green:     #39d353;
  --glow:      0 0 20px rgba(0,229,255,0.25);
  --glow-sm:   0 0 8px rgba(0,229,255,0.2);
  --radius:    6px;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Syne', sans-serif;
  --nav-h:     64px;
}

/* ─── RESET ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: #fff; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font-body); }


/* ─── NAV ────────────────────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(8,12,16,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  z-index: 100;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: .85rem;
  color: var(--accent);
  letter-spacing: .1em;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.nav-logo::before {
  content: '>';
  color: var(--accent2);
  animation: blink 1.2s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--muted);
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .25rem 0;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  border-color: var(--accent);
}

/* ─── PAGE WRAPPER ───────────────────────────────────────────────────────── */
main {
  margin-top: var(--nav-h);
  min-height: calc(100vh - var(--nav-h));
}

/* ─── SECTION TITLE ─────────────────────────────────────────────────────── */
.section-label {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--accent2);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent2);
}

/* ─── BTN ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  padding: .65rem 1.4rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  border-radius: var(--radius);
  transition: background .2s, color .2s, box-shadow .2s;
  text-transform: uppercase;
  text-decoration: none;
}
.btn:hover {
  background: var(--accent);
  color: var(--bg);
  box-shadow: var(--glow);
  color: #000;
}
.btn-ghost {
  border-color: var(--border2);
  color: var(--muted);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
  box-shadow: none;
}

/* ─── GRID BACKGROUND ────────────────────────────────────────────────────── */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: .25;
  pointer-events: none;
  z-index: 0;
}

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-links a {
  color: var(--muted);
  transition: color .2s;
}
.footer-links a:hover { color: var(--accent); }

/* ─── UTILITIES ──────────────────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* ─── ANIMATIONS ─────────────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .6s ease both; }
.fade-up-1 { animation-delay: .1s; }
.fade-up-2 { animation-delay: .2s; }
.fade-up-3 { animation-delay: .3s; }
.fade-up-4 { animation-delay: .4s; }

/* ─── MOBILE ─────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  nav { padding: 0 1.25rem; }
  .nav-links { gap: 1.25rem; }
  .nav-links a { font-size: .65rem; }
  footer { flex-direction: column; align-items: flex-start; }
}