/* ─────────────────────────────────────────
   base.css  — variables, reset, typography
   ───────────────────────────────────────── */

:root {
  --bg:       #080c10;
  --surface:  #0d1117;
  --panel:    #111822;
  --border:   #1e2d3d;
  --accent:   #00d4ff;
  --accent2:  #7b61ff;
  --gold:     #f0c060;
  --text:     #e2e8f0;
  --muted:    #64748b;
  --dim:      #334155;
  --radius:   5px;
  --font-display: 'Syne', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --font-body:    'Lora', Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* noise grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.2;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
}

.content {
  position: relative;
  z-index: 10;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

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

em {
  font-style: italic;
}

strong {
  font-weight: 500;
}

/* ─── LAYOUT ─── */
section {
  padding: 100px 60px;
  max-width: 1200px;
  margin: 0 auto;
}

section + section {
  border-top: 1px solid var(--border);
}

footer {
  border-top: 1px solid var(--border);
  padding: 40px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  max-width: 1200px;
  margin: 0 auto;
}

footer a {
  color: var(--muted);
  transition: color 0.2s;
}

footer a:hover {
  color: var(--accent);
}

/* ─── SECTION HEADER ─── */
.section-header {
  margin-bottom: 60px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 80px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--text);
}

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent); }
  50%       { opacity: 0.5; box-shadow: 0 0 2px var(--accent); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  section { padding: 70px 24px; }
  footer  { padding: 32px 24px; flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 600px) {
  section { padding: 60px 18px; }
}