/* ═══════════════════════════════════════════
   BASE.CSS — Variables, Reset, Global styles
   ═══════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
  --bg:      #0a0a0a;
  --surface: #111111;
  --border:  #1e1e1e;
  --text:    #f0f0f0;
  --muted:   #555;
  --accent:  #e8f542;
  --accent2: #3dffa0;
  --danger:  #ff4d4d;
}

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

html {
  scroll-behavior: smooth;
}

/* ─── Body ─── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Syne', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Noise overlay ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.5;
}

/* ─── Shared section layout ─── */
section {
  padding: 7rem 3rem;
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

/* ─── Shared buttons ─── */
.btn-primary {
  background: var(--accent);
  color: #000;
  border: none;
  padding: 0.9rem 2rem;
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 4px;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232, 245, 66, 0.3);
}

.btn-outline {
  background: none;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.9rem 2rem;
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 4px;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
}

.btn-outline:hover {
  border-color: var(--text);
  color: var(--text);
}

/* ─── Animations ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── Footer ─── */
footer {
  padding: 2rem 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer span {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  section { padding: 5rem 1.5rem; }
  footer  { flex-direction: column; gap: 1rem; text-align: center; }
}