/* ── squidzombie.com ─────────────────────────────────────────────── */

:root {
  --abyss: #050a12;
  --abyss-2: #0a1220;
  --ink: #dff7ef;
  --ink-dim: #8fb3a9;
  --biolume: #3dfbd8;
  --zombie: #8aff5a;
  --violet: #8a6cff;
  --card: rgba(20, 34, 48, 0.55);
  --card-border: rgba(61, 251, 216, 0.18);
}

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

html { scroll-behavior: smooth; }

body {
  background: radial-gradient(ellipse at 50% -20%, #0e1c2e 0%, var(--abyss) 60%);
  color: var(--ink);
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* particle canvas sits behind everything */
#abyss {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.site-header, main, .site-footer {
  position: relative;
  z-index: 1;
}

/* ── header ─────────────────────────────────────────────────────── */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.wordmark {
  font-family: "Rubik Glitch", "Space Grotesk", monospace;
  font-size: 1.3rem;
  color: var(--biolume);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.wordmark span { color: var(--zombie); }

.site-header nav a {
  color: var(--ink-dim);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.site-header nav a:hover { color: var(--biolume); }

/* ── hero ───────────────────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 3rem 1.5rem 5rem;
  max-width: 800px;
  margin: 0 auto;
}

.squid-wrap {
  display: inline-block;
  animation: bob 5s ease-in-out infinite;
  filter: drop-shadow(0 0 30px rgba(61, 251, 216, 0.35));
}

@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-1.5deg); }
  50%      { transform: translateY(-16px) rotate(1.5deg); }
}

.tent {
  animation: wiggle 3s ease-in-out infinite;
  transform-origin: top center;
}
.t1 { animation-delay: 0s; }
.t2 { animation-delay: 0.4s; }
.t3 { animation-delay: 0.8s; }
.t4 { animation-delay: 1.2s; }
.t5 { animation-delay: 1.6s; }

@keyframes wiggle {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(4px); }
}

.title {
  font-family: "Rubik Glitch", "Space Grotesk", monospace;
  font-size: clamp(2.8rem, 9vw, 5.5rem);
  margin-top: 1.5rem;
  color: var(--biolume);
  text-shadow: 0 0 40px rgba(61, 251, 216, 0.5);
  letter-spacing: 0.03em;
}

.title-zombie {
  color: var(--zombie);
  text-shadow: 0 0 40px rgba(138, 255, 90, 0.5);
}

.tagline {
  color: var(--ink-dim);
  margin-top: 0.75rem;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.cta-row {
  margin-top: 2.25rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.8rem 1.8rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--biolume);
  color: var(--abyss);
  box-shadow: 0 0 24px rgba(61, 251, 216, 0.4);
}

.btn-primary:hover { box-shadow: 0 0 36px rgba(61, 251, 216, 0.65); }

.btn-ghost {
  color: var(--biolume);
  border: 1px solid var(--card-border);
  background: rgba(61, 251, 216, 0.05);
}

.btn-ghost:hover { border-color: var(--biolume); }

/* ── sections ───────────────────────────────────────────────────── */

.section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.section h2 {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.section-num {
  color: var(--violet);
  font-size: 1rem;
  vertical-align: middle;
  margin-right: 0.75rem;
  letter-spacing: 0.2em;
}

.section-blurb {
  color: var(--ink-dim);
  max-width: 60ch;
  line-height: 1.7;
  margin-bottom: 2rem;
}

/* ── experiment cards ───────────────────────────────────────────── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--ink);
  backdrop-filter: blur(6px);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(61, 251, 216, 0.5);
  box-shadow: 0 8px 32px rgba(61, 251, 216, 0.12);
}

.card-tag {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--violet);
  margin-bottom: 0.6rem;
}

.card h3 { margin-bottom: 0.5rem; font-size: 1.25rem; }

.card p { color: var(--ink-dim); font-size: 0.92rem; line-height: 1.6; }

.card-empty h3 { color: var(--ink-dim); }

/* ── footer ─────────────────────────────────────────────────────── */

.site-footer {
  text-align: center;
  padding: 3rem 1.5rem 2rem;
  color: var(--ink-dim);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}