@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --c-bg: #f4f5f6;
  --c-surface: #ffffff;
  --c-text: #1c1e21;
  --c-text-muted: #6b7280;
  --c-accent: #d4e157; /* Signal yellow */
  --c-accent-hover: #c0ca3e;
  --c-border: #e5e7eb;
  --c-terminal: #22c55e;
  
  --ff-body: 'Inter', sans-serif;
  --ff-mono: 'JetBrains Mono', monospace;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  
  --container-width: 1200px;
  --container-pad: clamp(1rem, 5vw, 3rem);
  
  --radius-sm: 4px;
  --radius-md: 8px;
}

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

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

body {
  font-family: var(--ff-body);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-mono);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-text);
  margin-bottom: var(--space-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin-bottom: var(--space-sm); max-width: 65ch; }

.text-accent { color: var(--c-accent); }
.text-muted { color: var(--c-text-muted); }
.mono { font-family: var(--ff-mono); }

/* LAYOUT UTILS */
.s-container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--space-xl) 0;
}

/* HEADER */
.hdr {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.hdr__logo {
  font-family: var(--ff-mono);
  font-size: 1.5rem;
  font-weight: 900;
  text-decoration: none;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hdr__logo::before {
  content: '//';
  color: var(--c-accent);
}

.hdr__nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.hdr__link {
  text-decoration: none;
  color: var(--c-text-muted);
  font-family: var(--ff-mono);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.hdr__link:hover, .hdr__link--active {
  color: var(--c-text);
  text-decoration: underline;
  text-decoration-color: var(--c-accent);
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

/* HERO */
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-lg) 0;
}

.hero-eyebrow {
  display: inline-block;
  background: var(--c-text);
  color: var(--c-surface);
  padding: 0.25rem 0.75rem;
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.hero-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  background-color: #e0e0e0;
  border: 1px solid var(--c-border);
  object-fit: cover;
  box-shadow: 10px 10px 0px var(--c-accent);
}

/* BUTTONS */
.btn-group {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 1rem 2rem;
  font-family: var(--ff-mono);
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background-color: var(--c-accent);
  color: var(--c-text);
}

.btn--primary:hover {
  background-color: var(--c-accent-hover);
  transform: translateY(-2px);
}

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

.btn--secondary:hover {
  background-color: var(--c-text);
  color: var(--c-surface);
}

/* CARDS */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  padding: var(--space-md);
  transition: transform 0.2s;
}

.card:hover {
  border-color: var(--c-text);
}

.card__title {
  font-family: var(--ff-mono);
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  border-bottom: 2px solid var(--c-accent);
  padding-bottom: 0.5rem;
  display: inline-block;
}

/* STATS */
.stats-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  border-top: 1px solid var(--c-text);
  border-bottom: 1px solid var(--c-text);
  padding: var(--space-md) 0;
}

.stat-item {
  flex: 1;
  min-width: 200px;
  text-align: center;
}

.stat-num {
  display: block;
  font-family: var(--ff-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1;
}

.stat-label {
  font-family: var(--ff-mono);
  font-size: 0.875rem;
  color: var(--c-text-muted);
  text-transform: uppercase;
  margin-top: 0.5rem;
}

/* CTA BAND */
.cta-band {
  background-color: var(--c-text);
  color: var(--c-surface);
  text-align: center;
  padding: var(--space-lg) 0;
}

.cta-band h2 {
  color: var(--c-accent);
}

.cta-band p {
  margin: 0 auto var(--space-md);
  color: #d1d5db;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--c-border);
}

.faq-q {
  padding: var(--space-sm) 0;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
}

.faq-a {
  padding-bottom: var(--space-sm);
  color: var(--c-text-muted);
  font-size: 0.95rem;
}

/* FOOTER */
.ftr {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding: var(--space-lg) 0 var(--space-md);
  margin-top: var(--space-xl);
}

.ftr__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.ftr__links {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-lg);
  list-style: none;
}

.ftr__col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-muted);
  margin-bottom: 1rem;
}

.ftr__link {
  display: block;
  color: var(--c-text);
  text-decoration: none;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.ftr__link:hover {
  color: var(--c-accent);
}

.ftr__meta {
  border-top: 1px solid var(--c-border);
  padding-top: var(--space-sm);
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--c-text-muted);
  font-family: var(--ff-mono);
}

/* MOBILE */
@media (max-width: 768px) {
  .hdr__nav { display: none; } /* Simplified for example */
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .ftr__grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .ftr__links { justify-content: flex-start; flex-wrap: wrap; gap: var(--space-sm); }
  .stats-row { flex-direction: column; gap: var(--space-md); }
  h1 { font-size: 2.5rem; }
}body{margin:0}img,svg,video{max-width:100%;height:auto}*{box-sizing:border-box}