/* ─────────────────────────────────────────────
   Opsonine – Design System
   Palette: near-black base, electric teal accent,
   off-white text, monospace data aesthetic
───────────────────────────────────────────── */

/* ── Fonts (lokal gehostet) ── */
@font-face { font-family: "Inter"; font-weight: 300; font-display: swap; src: url(/fonts/inter-300.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url(/fonts/inter-400.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url(/fonts/inter-500.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 400; font-display: swap; src: url(/fonts/jetbrains-mono-400.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 600; font-display: swap; src: url(/fonts/jetbrains-mono-600.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 700; font-display: swap; src: url(/fonts/jetbrains-mono-700.woff2) format("woff2"); }

:root {
  --bg:          #080c10;
  --bg-surface:  #0d1318;
  --bg-raised:   #111820;
  --accent:      #00d4aa;
  --accent-dim:  #00a880;
  --accent-glow: rgba(0, 212, 170, 0.12);
  --text:        #e8edf2;
  --text-muted:  #6b7b8a;
  --text-faint:  #3a4a57;
  --border:      rgba(0, 212, 170, 0.15);
  --border-dim:  rgba(255,255,255,0.06);
  --font-mono:   "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  --font-sans:   "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius:      2px;
  --transition:  160ms ease;
}

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.1rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.12em; }

p { color: var(--text-muted); max-width: 62ch; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--text); }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
}

main { flex: 1; }

/* ── Grid lines (subtle background decoration) ── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,170,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,170,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border-dim);
  background: rgba(8, 12, 16, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-mark {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 8px var(--accent); opacity: 1; }
  50%       { box-shadow: 0 0 20px var(--accent); opacity: 0.7; }
}

.logo-text { color: var(--text); }
.logo-suffix { color: var(--accent); }

.site-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

/* ── Hero ── */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 6rem;
  overflow: hidden;
}

/* Animated corner bracket decoration */
.hero::after {
  content: "";
  position: absolute;
  top: 20%;
  right: 8%;
  width: 200px;
  height: 200px;
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  opacity: 0.5;
  pointer-events: none;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-eyebrow::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-claim {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 48ch;
  margin-bottom: 3rem;
  font-weight: 300;
}

/* Data ticker */
.hero-data {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.data-point {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.data-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.data-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ── Section ── */
.section {
  position: relative;
  z-index: 1;
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ── Divider line ── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5px;
  background: var(--border-dim);
}

.card {
  background: var(--bg-surface);
  padding: 2rem;
  transition: background var(--transition);
}

.card:hover {
  background: var(--bg-raised);
}

.card-icon {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-icon::before {
  content: attr(data-n);
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 1px solid var(--accent);
  text-align: center;
  line-height: 20px;
  font-size: 0.6rem;
}

.card h2 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.card p {
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ── Terminal block ── */
.terminal {
  background: var(--bg-surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 3rem 0;
}

.terminal-bar {
  background: var(--bg-raised);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-dim);
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-faint);
  letter-spacing: 0.1em;
  margin-left: auto;
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--text-muted);
}

.terminal-body .prompt { color: var(--accent); user-select: none; }
.terminal-body .cmd    { color: var(--text); }
.terminal-body .out    { color: var(--text-faint); padding-left: 1.5ch; }
.terminal-body .hi     { color: var(--accent); }

/* ── Manifesto (large quote) ── */
.manifesto {
  position: relative;
  z-index: 1;
  padding: 6rem 0;
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
}

.manifesto blockquote {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  color: var(--text);
  line-height: 1.5;
  max-width: 800px;
  border: none;
  padding: 0;
}

.manifesto blockquote em {
  font-style: normal;
  color: var(--accent);
}

/* ── Footer ── */
.site-footer {
  position: relative;
  z-index: 1;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-dim);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  transition: color var(--transition);
}

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

/* ── Legal pages ── */
.legal {
  position: relative;
  z-index: 1;
  padding: 10rem 0 6rem;
  max-width: 720px;
}

.legal h1 {
  font-size: 1.8rem;
  margin-bottom: 2.5rem;
  color: var(--text);
}

.legal h2 {
  font-size: 1rem;
  font-family: var(--font-mono);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.legal p, .legal li {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.legal ul { padding-left: 1.5rem; }
.legal li { margin-bottom: 0.4rem; }

.legal a { color: var(--accent); }

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero-data { gap: 1.5rem; }
  .site-nav  { gap: 1.2rem; }
  .hero      { padding: 7rem 0 4rem; }
}

/* ── Import fonts (self-hosted: system fallback) ── */
/* Production: add @font-face for JetBrains Mono + Inter */