:root {
  --bg: #0a0a0b;
  --surface: #111113;
  --border: #1e1e22;
  --red: #e3291a;
  --red-dim: #7a1510;
  --red-glow: rgba(227, 41, 26, 0.18);
  --text: #d8d4cc;
  --text-dim: #6b6760;
  --text-bright: #f0ece4;
  --mono: 'Syne Mono', monospace;
  --sans: 'Syne', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Noise texture 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: 1000;
  opacity: 0.6;
}

/* Scanlines */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
  z-index: 999;
}

/* ─── HEADER ─── */
header {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}

.header-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(227,41,26,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(227,41,26,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 100% at 50% 0%, black 40%, transparent 100%);
}

.header-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--red);
}

h1 {
  font-family: var(--sans);
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text-bright);
  margin-bottom: 6px;
  position: relative;
}

h1 .evil {
  color: var(--red);
  position: relative;
  display: inline-block;
}

/* glitch effect on hover */
h1 .evil::before,
h1 .evil::after {
  content: 'Evil';
  position: absolute;
  inset: 0;
  color: var(--red);
  opacity: 0;
}

h1:hover .evil::before {
  animation: glitch-1 0.3s steps(2) forwards;
  clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%);
  color: #00ffcc;
}
h1:hover .evil::after {
  animation: glitch-2 0.3s steps(2) 0.05s forwards;
  clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
  color: #ff006e;
}

@keyframes glitch-1 {
  0% { transform: translate(-3px, 0); opacity: 0.8; }
  50% { transform: translate(3px, 0); opacity: 0.8; }
  100% { transform: translate(0, 0); opacity: 0; }
}
@keyframes glitch-2 {
  0% { transform: translate(3px, 0); opacity: 0.8; }
  50% { transform: translate(-3px, 0); opacity: 0.8; }
  100% { transform: translate(0, 0); opacity: 0; }
}

.tagline {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  max-width: 620px;
  margin-bottom: 28px;
  border-left: 2px solid var(--red-dim);
  padding-left: 20px;
}

.description strong {
  color: var(--text-bright);
  font-weight: 700;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 10px 18px;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.github-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--red-glow);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.github-link:hover {
  color: var(--text-bright);
  border-color: var(--red-dim);
}

.github-link:hover::before { opacity: 1; }

.github-link svg { flex-shrink: 0; }

/* ─── DIVIDER ─── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--red-dim) 30%, var(--red-dim) 70%, transparent);
  margin: 0;
  opacity: 0.5;
}

/* ─── MAIN ─── */
main {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 32px 120px;
}

/* ─── SECTION ─── */
.section {
  margin-bottom: 64px;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.section-number {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--red);
  opacity: 0.7;
  letter-spacing: 0.1em;
}

.section-title {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-bright);
  text-transform: uppercase;
}

/* ─── DEMO CARDS ─── */
.demos {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.demo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 20px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.demo-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--red);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.25s ease;
}

.demo-card:hover {
  border-color: var(--red-dim);
  background: #131315;
}

.demo-card:hover::before {
  transform: scaleY(1);
}

.demo-info { min-width: 0; }

.demo-title {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.demo-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-dim);
}

.demo-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  background: rgba(227,41,26,0.08);
  border: 1px solid rgba(227,41,26,0.2);
  padding: 4px 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

.demo-arrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  white-space: nowrap;
  transition: color 0.2s, gap 0.2s;
}

.demo-card:hover .demo-arrow {
  color: var(--red);
  gap: 12px;
}

.demo-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

/* ─── CTA BANNER ─── */
.cta-wrapper {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 32px 80px;
}

.cta-banner {
  border: 1px solid var(--red-dim);
  background: linear-gradient(135deg, rgba(227,41,26,0.06) 0%, transparent 60%);
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '★';
  position: absolute;
  right: -10px;
  top: -20px;
  font-size: 140px;
  color: var(--red);
  opacity: 0.04;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.cta-heading {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-bright);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.cta-sub {
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 28px;
  max-width: 520px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  padding: 11px 20px;
  border: 1px solid;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.cta-btn-primary {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.cta-btn-primary:hover {
  background: #c4220f;
  border-color: #c4220f;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(227,41,26,0.35);
}

.cta-btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-dim);
}

.cta-btn-secondary:hover {
  border-color: var(--text-dim);
  color: var(--text-bright);
  transform: translateY(-1px);
}

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 32px;
  max-width: 860px;
  margin: 0 auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.footer-text a {
  color: var(--red);
  text-decoration: none;
}

/* ─── ANIMATE IN ─── */
.fade-up {
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.5s ease forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.fade-up:nth-child(1) { animation-delay: 0.05s; }
.fade-up:nth-child(2) { animation-delay: 0.1s; }
.fade-up:nth-child(3) { animation-delay: 0.15s; }
.fade-up:nth-child(4) { animation-delay: 0.2s; }
.fade-up:nth-child(5) { animation-delay: 0.25s; }
.fade-up:nth-child(6) { animation-delay: 0.3s; }

/* ─── RESPONSIVE ─── */
@media (max-width: 600px) {
  .demo-card {
    grid-template-columns: 1fr;
  }
  .demo-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  .cta-banner { padding: 28px 20px; }
  .cta-buttons { flex-direction: column; }
  .cta-btn { justify-content: center; }
}