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

:root {
  --bg: #09090b;
  --bg-2: #111115;
  --bg-3: #18181c;
  --fg: #f4f4f5;
  --fg-2: #a1a1aa;
  --fg-3: #71717a;
  --accent: #c8ff00;
  --accent-dim: #9ecc00;
  --accent-bg: rgba(200, 255, 0, 0.06);
  --hot: #ff4d4d;
  --rising: #ffaa00;
  --steady: #4dff91;
  --radius: 10px;
  --radius-sm: 6px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* ─── Nav ────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-3);
  letter-spacing: 0.02em;
}

.nav-cta {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  background: var(--accent-bg);
  border: 1px solid rgba(200,255,0,0.2);
  border-radius: 8px;
  padding: 6px 14px;
  transition: background 0.15s;
}
.nav-cta:hover { background: rgba(200,255,0,0.12); }

/* ─── Hero ────────────────────────────────────────────── */
.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 80px 32px 96px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-bg);
  border: 1px solid rgba(200, 255, 0, 0.15);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-headline {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 24px;
  color: var(--fg);
}

.highlight {
  color: var(--accent);
  position: relative;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-2);
  max-width: 520px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ─── Search Box ─────────────────────────────────────── */
.hero-search {
  margin-bottom: 48px;
}

.search-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 14px 20px;
  min-width: 360px;
  cursor: default;
  transition: border-color 0.2s;
}

.search-box:hover {
  border-color: rgba(200, 255, 0, 0.3);
}

.search-input {
  background: none;
  border: none;
  outline: none;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--fg-3);
  cursor: default;
  width: 100%;
}

.search-icon {
  color: var(--fg-3);
  flex-shrink: 0;
}

.search-label {
  font-size: 0.7rem;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid rgba(200, 255, 0, 0.15);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ─── Hero Stats ──────────────────────────────────────── */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.stat {
  padding: 0 32px;
  text-align: center;
}

.stat-number {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--fg-3);
  margin-top: 4px;
  letter-spacing: 0.02em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.06);
}

/* ─── Proof Section ─────────────────────────────────── */
.proof {
  background: var(--bg-2);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 64px 32px;
}

.proof-label {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 32px;
}

.proof-grid {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.proof-card {
  background: var(--bg-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color 0.2s;
}

.proof-card:hover {
  border-color: rgba(255,255,255,0.12);
}

.proof-card--featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-3), rgba(200, 255, 0, 0.03));
  border-color: rgba(200, 255, 0, 0.12);
}

.proof-rank {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--accent);
  width: 32px;
  flex-shrink: 0;
}

.proof-info {
  flex: 1;
}

.proof-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg);
}

.proof-meta {
  font-size: 0.75rem;
  color: var(--fg-3);
  margin-top: 2px;
}

.proof-signal {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--fg-2);
  white-space: nowrap;
}

.signal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.signal-dot--hot { background: var(--hot); box-shadow: 0 0 6px var(--hot); }
.signal-dot--rising { background: var(--rising); box-shadow: 0 0 6px var(--rising); }
.signal-dot--steady { background: var(--steady); }

.proof-note {
  text-align: center;
  font-size: 0.72rem;
  color: var(--fg-3);
  margin-top: 20px;
  font-style: italic;
}

/* ─── How Section ─────────────────────────────────────── */
.how {
  max-width: 1080px;
  margin: 0 auto;
  padding: 96px 32px;
}

.section-headline {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: 56px;
}

.steps {
  display: flex;
  align-items: stretch;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  flex: 1;
  padding: 28px 24px;
  background: var(--bg-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
}

.step-connector {
  width: 40px;
  flex-shrink: 0;
  position: relative;
}

.step-connector::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(200,255,0,0.3), rgba(200,255,0,0.1));
  transform: translateY(-50%);
}

.step-number {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--fg-2);
  line-height: 1.6;
}

/* ─── Categories ─────────────────────────────────────── */
.categories {
  background: var(--bg-2);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 80px 32px;
}

.cat-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.cat-card {
  background: var(--bg-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: border-color 0.2s, transform 0.2s;
}

.cat-card:hover {
  border-color: rgba(200, 255, 0, 0.15);
  transform: translateY(-2px);
}

.cat-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-bg);
  border: 1px solid rgba(200, 255, 0, 0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
}

.cat-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--fg);
  margin-bottom: 8px;
}

.cat-desc {
  font-size: 0.8rem;
  color: var(--fg-3);
  line-height: 1.55;
}

/* ─── Closing ─────────────────────────────────────────── */
.closing {
  padding: 96px 32px;
  text-align: center;
}

.closing-inner {
  max-width: 600px;
  margin: 0 auto;
}

.closing-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-bg);
  border: 1px solid rgba(200, 255, 0, 0.12);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

.closing-headline {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 1rem;
  color: var(--fg-2);
  line-height: 1.7;
}

/* ─── Footer ─────────────────────────────────────────── */
.footer {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 48px 32px;
  text-align: center;
}

.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--fg);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-3);
  margin-bottom: 16px;
}

.footer-copy {
  font-size: 0.72rem;
  color: var(--fg-3);
}

/* ─── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
  .hero { padding: 56px 20px 64px; }
  .search-box { min-width: unset; width: 100%; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .stat-divider { display: none; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-card--featured { grid-column: 1; }
  .steps { flex-direction: column; gap: 12px; }
  .step-connector { display: none; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .how { padding: 64px 20px; }
  .categories { padding: 56px 20px; }
  .closing { padding: 64px 20px; }
  .nav-inner { padding: 14px 20px; }
}

@media (max-width: 480px) {
  .cat-grid { grid-template-columns: 1fr; }
  .stat { padding: 0 16px; }
}