:root {
  --bg: #000;
  --bg-invert: #fff;
  --text: #fff;
  --text-muted: #d4d4d4;
  --text-invert: #000;
  --accent: #39ff14;
  --accent-red: #ff0000;
  --accent-yellow: #ffff00;
  --accent-blue: #00bfff;
  --border-thick: 4px;
  --shadow-offset: 8px;
  --font: ui-monospace, "Courier New", Courier, monospace;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; top: -100px; left: 1rem; z-index: 1000;
  padding: 0.5rem 1rem; background: var(--accent); color: var(--text-invert);
  border: var(--border-thick) solid var(--text);
}
.skip-link:focus { top: 1rem; }

.container { width: min(1100px, calc(100% - 2rem)); margin-inline: auto; }

.marquee-bar {
  background: var(--accent); color: var(--text-invert);
  border-bottom: var(--border-thick) solid var(--text);
  overflow: hidden; white-space: nowrap; padding: 0.35rem 0;
}
.marquee-track { display: inline-flex; animation: marquee 20s linear infinite; }
.marquee-track span {
  padding-right: 2rem; font-weight: 900; font-size: 0.875rem; letter-spacing: 0.1em;
}

.site-header {
  position: sticky; top: 0; z-index: 100; background: var(--bg);
  border-bottom: var(--border-thick) solid var(--text);
}
.site-header.is-scrolled { box-shadow: 0 var(--shadow-offset) 0 var(--accent); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); gap: 1rem;
}

.brand {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 900; font-size: 1.125rem; letter-spacing: 0.05em; color: var(--text);
}
.brand-icon { color: var(--accent); font-size: 1.5rem; }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 4px;
  width: 44px; height: 44px; padding: 0;
  border: var(--border-thick) solid var(--text); background: var(--bg);
}
.nav-toggle-bar { display: block; width: 20px; height: 3px; margin-inline: auto; background: var(--text); }

.nav-list { display: flex; gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.nav-link {
  display: inline-flex; padding: 0.5rem 1rem;
  border: var(--border-thick) solid var(--text);
  font-weight: 900; font-size: 0.875rem; letter-spacing: 0.05em;
  color: var(--text); background: var(--bg);
}
.nav-link:hover { background: var(--accent); color: var(--text-invert); }

.brutal-box {
  border: var(--border-thick) solid var(--text);
  background: var(--bg);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--text);
}

.brutal-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 1rem 2rem; border: var(--border-thick) solid var(--text);
  background: var(--bg); color: var(--text);
  font-weight: 900; font-size: 1rem; letter-spacing: 0.1em; text-transform: uppercase;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--text);
}
.brutal-btn:hover { transform: translate(var(--shadow-offset), var(--shadow-offset)); box-shadow: 0 0 0 var(--text); }
.brutal-btn:active { transform: translate(calc(var(--shadow-offset) * 2), calc(var(--shadow-offset) * 2)); box-shadow: none; }
.brutal-btn--green { background: var(--accent); color: var(--text-invert); }
.brutal-btn--red { background: var(--accent-red); font-size: 1.5rem; padding: 1.25rem 3rem; }
.brutal-btn--outline { background: var(--bg); color: var(--text); }

.hero {
  position: relative; padding: 3rem 0 4rem;
  border-bottom: var(--border-thick) solid var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem; align-items: center;
}

.hero-tag {
  display: inline-block; margin: 0 0 1.25rem; padding: 0.35rem 0.75rem;
  color: var(--text-invert); background: var(--accent);
  border: var(--border-thick) solid var(--text);
  font-weight: 900; font-size: 0.8rem; letter-spacing: 0.15em;
}

.hero-title {
  margin: 0 0 1.5rem;
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 900; line-height: 1.1; letter-spacing: 0.02em;
  text-transform: uppercase; color: #fff;
}

.hero-title-accent {
  color: var(--text-invert); background: var(--accent);
  display: inline-block; padding: 0.15rem 0.6rem; margin: 0.15rem 0;
  border: var(--border-thick) solid var(--text);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--text);
}

.hero-lead {
  margin: 0 0 2rem; max-width: 520px;
  font-size: 1.0625rem; line-height: 1.65; color: var(--text-muted);
  border-left: var(--border-thick) solid var(--accent); padding-left: 1rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-visual { display: flex; justify-content: center; align-items: center; }

.brutal-box--frog {
  padding: 1.5rem; position: relative; width: 100%; max-width: 340px; background: var(--bg);
}
.frog-svg { width: 100%; height: auto; display: block; }
.frog-label {
  position: absolute; top: 1rem; left: 1rem;
  font-size: 0.7rem; font-weight: 900; color: var(--text-invert);
  background: var(--accent); padding: 0.2rem 0.5rem;
  border: 2px solid var(--text); letter-spacing: 0.1em;
}

.section { padding: 4rem 0; border-bottom: var(--border-thick) solid var(--text); }
.section--invert { background: var(--bg-invert); color: var(--text-invert); }
.section--invert .brutal-box {
  border-color: var(--text-invert); background: var(--bg-invert); color: var(--text-invert);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--text-invert);
}
.section--invert .section-tag { color: var(--bg); background: var(--text-invert); border-color: var(--text-invert); }
.section--cta { background: var(--bg); }
.section-header { margin-bottom: 2.5rem; }
.section-tag {
  display: inline-block; margin: 0 0 0.75rem; padding: 0.25rem 0.75rem;
  border: var(--border-thick) solid var(--text); color: var(--text-invert);
  background: var(--accent); font-weight: 900; font-size: 0.75rem; letter-spacing: 0.15em;
}
.section-title {
  margin: 0; font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 900; letter-spacing: 0.02em; text-transform: uppercase;
}

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; }
.brutal-card { padding: 1.5rem; position: relative; color: var(--text); }
.brutal-card--accent { background: var(--accent); color: var(--text-invert); box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--accent); }
.brutal-card--accent .card-num { color: var(--text-invert); border-color: var(--text-invert); background: transparent; }
.card-num {
  display: inline-block; margin-bottom: 1rem; padding: 0.25rem 0.5rem;
  border: var(--border-thick) solid var(--text); background: var(--accent);
  color: var(--text-invert); font-weight: 900; font-size: 0.875rem;
}
.brutal-card h3 { margin: 0 0 0.75rem; font-size: 1.25rem; font-weight: 900; }
.brutal-card p { margin: 0; font-size: 0.9375rem; line-height: 1.5; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.5rem; }
.brutal-stat { padding: 2rem 1.5rem; text-align: center; }
.stat-value { font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; line-height: 1; margin-bottom: 0.5rem; }
.brutal-stat--red .stat-value { color: var(--accent-red); }
.stat-label { margin: 0; font-weight: 900; font-size: 0.75rem; letter-spacing: 0.2em; }

.breed-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.breed-card { padding: 1.5rem; text-align: center; color: var(--text); }
.breed-card--wide { grid-column: 1 / -1; max-width: 480px; margin-inline: auto; }
.breed-visual {
  width: 100px; height: 90px; margin: 0 auto 1rem;
  display: grid; place-items: center;
  border: var(--border-thick) solid var(--text); background: var(--bg);
}
.breed-visual--green { color: var(--accent); }
.breed-visual--red { color: var(--accent-red); }
.breed-visual--blue { color: var(--accent-blue); }
.breed-visual--yellow { color: var(--accent-yellow); }
.frog-svg-small { width: 80px; height: auto; }
.breed-card h3 { margin: 0 0 0.5rem; font-size: 1rem; font-weight: 900; }
.breed-card p { margin: 0; font-size: 0.875rem; line-height: 1.4; color: var(--text-muted); }

.cta-band { padding: 3rem 2rem; text-align: center; position: relative; color: var(--text); }
.cta-band h2 { margin: 0 0 1rem; font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; }
.cta-band p { margin: 0 0 2rem; font-size: 1rem; max-width: 500px; margin-inline: auto; color: var(--text-muted); }

.ribbit-overlay {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  display: grid; place-items: center; background: var(--accent); opacity: 0;
}
.ribbit-overlay.is-active { animation: ribbitFlash 0.8s step-end forwards; }
.ribbit-text { font-size: clamp(3rem, 15vw, 8rem); font-weight: 900; color: var(--text-invert); letter-spacing: 0.1em; text-transform: uppercase; }
.ribbit-burst {
  position: absolute; font-weight: 900; font-size: 1.25rem; color: var(--text-invert);
  background: var(--accent); padding: 0.25rem 0.5rem; border: 2px solid var(--text);
  pointer-events: none; animation: burstPop 0.6s step-end forwards;
}

.site-footer { padding: 2rem 0; border-top: var(--border-thick) solid var(--text); }
.footer-inner { text-align: center; }
.footer-line { margin: 0 0 0.5rem; font-weight: 900; font-size: 0.875rem; letter-spacing: 0.1em; }
.footer-meta { margin: 0; font-size: 0.75rem; color: var(--accent); }

@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes ribbitFlash {
  0% { opacity: 1; background: var(--accent); }
  25% { opacity: 1; background: var(--bg-invert); }
  50% { opacity: 1; background: var(--accent-red); }
  75% { opacity: 1; background: var(--accent); }
  100% { opacity: 0; background: var(--bg); }
}
@keyframes burstPop { 0% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(1.5); } }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed; top: calc(var(--header-h) + 36px); left: 0; right: 0;
    background: var(--bg); border-bottom: var(--border-thick) solid var(--text);
    padding: 1rem; transform: translateY(-150%); opacity: 0; pointer-events: none;
  }
  .site-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-list { flex-direction: column; }
  .nav-link { width: 100%; justify-content: center; margin-bottom: 0.5rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-visual { order: -1; }
  .breed-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track, .ribbit-overlay.is-active, .ribbit-burst { animation: none; }
  .brutal-btn:hover, .brutal-btn:active { transform: none; }
}