:root {
  --bg: #0a1628;
  --bg-surface: #0f1d35;
  --bg-card: #142240;
  --fg: #e8ecf4;
  --fg-muted: #8a95a8;
  --accent: #00d4aa;
  --accent-glow: rgba(0, 212, 170, 0.15);
  --amber: #f5a623;
  --red-soft: #ff6b6b;
  --green-soft: #00d4aa;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1200px;
  --radius: 12px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ═══ NAV ═══ */
.nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 24px 40px;
  z-index: 10;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon { font-size: 24px; }
.logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
}

/* ═══ HERO ═══ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,170,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,170,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,212,170,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-tag {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  display: block;
}
.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  display: block;
  max-width: 140px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.1);
}

/* Tool Card */
.tool-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.tool-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: rgba(0,212,170,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.tool-badge {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  background: rgba(0,212,170,0.12);
  padding: 4px 12px;
  border-radius: 20px;
}
.tool-date {
  font-size: 13px;
  color: var(--fg-muted);
}
.tool-card-body {
  padding: 24px 20px 20px;
}
.tool-icon-placeholder {
  font-size: 32px;
  margin-bottom: 12px;
}
.tool-card-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.tool-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.tool-tag {
  font-size: 12px;
  color: var(--fg-muted);
  background: rgba(255,255,255,0.06);
  padding: 4px 10px;
  border-radius: 6px;
}
.tool-verdict {
  display: flex;
  align-items: center;
  gap: 12px;
}
.verdict-bar {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}
.verdict-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--amber));
  border-radius: 3px;
}
.verdict-text {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}
.tool-card-steps {
  padding: 16px 20px 20px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.step {
  font-size: 14px;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0,212,170,0.1);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  flex-shrink: 0;
}

/* ═══ SIGNAL ═══ */
.signal {
  padding: 100px 40px;
  background: var(--bg-surface);
}
.signal-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.signal h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 48px;
  letter-spacing: -0.5px;
}
.signal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.signal-card {
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
}
.signal-card.noise {
  background: rgba(255,107,107,0.04);
  border-color: rgba(255,107,107,0.12);
}
.signal-card.signal-good {
  background: rgba(0,212,170,0.04);
  border-color: rgba(0,212,170,0.15);
}
.card-icon {
  font-size: 28px;
  margin-bottom: 16px;
}
.signal-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
}
.signal-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.signal-card ul li {
  font-size: 15px;
  color: var(--fg-muted);
  padding-left: 16px;
  position: relative;
}
.signal-card.noise ul li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: var(--red-soft);
  font-size: 12px;
}
.signal-card.signal-good ul li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--green-soft);
  font-size: 12px;
}
.card-verdict {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.card-verdict.bad { color: var(--red-soft); }
.card-verdict.good { color: var(--green-soft); }

/* ═══ PLAYBOOK ═══ */
.playbook {
  padding: 100px 40px;
}
.playbook-inner {
  max-width: 800px;
  margin: 0 auto;
}
.playbook h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 56px;
  letter-spacing: -0.5px;
}
.playbook-steps {
  display: flex;
  flex-direction: column;
}
.pb-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.pb-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.5;
  flex-shrink: 0;
  width: 56px;
  text-align: right;
}
.pb-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}
.pb-content p {
  color: var(--fg-muted);
  font-size: 16px;
}
.pb-connector {
  width: 2px;
  height: 32px;
  background: linear-gradient(to bottom, rgba(0,212,170,0.3), rgba(0,212,170,0.05));
  margin-left: 51px;
}

/* ═══ NICHES ═══ */
.niches {
  padding: 100px 40px;
  background: var(--bg-surface);
}
.niches-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.niches h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 48px;
  letter-spacing: -0.5px;
}
.niche-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.niche-item {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s;
}
.niche-item:hover {
  border-color: rgba(0,212,170,0.2);
}
.niche-icon {
  font-size: 32px;
  margin-bottom: 16px;
}
.niche-item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.niche-item p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ═══ PHILOSOPHY ═══ */
.philosophy {
  padding: 100px 40px;
}
.philosophy-inner {
  max-width: 800px;
  margin: 0 auto;
}
.philosophy h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 48px;
  letter-spacing: -0.5px;
}
.rules {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.rule {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.rule-num {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  flex-shrink: 0;
  width: 40px;
}
.rule-body h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}
.rule-body p {
  color: var(--fg-muted);
  font-size: 15px;
}

/* ═══ CLOSING ═══ */
.closing {
  padding: 120px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.closing-glow {
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0,212,170,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
}

/* ═══ FOOTER ═══ */
.site-footer {
  padding: 48px 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 8px;
}
.footer-brand .logo-text { font-size: 18px; }
.footer-copy {
  color: var(--fg-muted);
  font-size: 14px;
  margin-bottom: 4px;
}
.footer-fine {
  color: var(--fg-muted);
  font-size: 12px;
  opacity: 0.6;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 900px) {
  .hero { padding: 100px 24px 60px; }
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-right { order: -1; }
  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .stat-divider {
    width: 40px;
    height: 1px;
  }
  .signal-grid,
  .niche-grid {
    grid-template-columns: 1fr;
  }
  .signal, .playbook, .niches, .philosophy {
    padding: 64px 24px;
  }
  .closing { padding: 80px 24px; }
  .nav { padding: 20px 24px; }
  .pb-num { width: 40px; font-size: 24px; }
  .pb-connector { margin-left: 35px; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .signal-card, .niche-item { padding: 24px; }
  .tool-card-body { padding: 20px 16px; }
  .tool-card-steps { padding: 12px 16px 16px; }
}