/* ==============================
   LeadStack — Lead Generation Landing Page
   ============================== */

:root {
  --bg: #0c0f1a;
  --bg-alt: #111425;
  --bg-card: #161929;
  --fg: #e8e4df;
  --fg-muted: #8a8a9a;
  --accent: #ff6b35;
  --accent-dim: rgba(255,107,53,0.12);
  --border: rgba(255,255,255,0.06);
  --radius: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Figtree', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Navbar --- */
.navbar {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--fg);
  letter-spacing: -0.5px;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,107,53,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,53,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
}
.hero-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 12px var(--accent); }
  50% { opacity: 0.6; box-shadow: 0 0 20px var(--accent); }
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(52px, 8vw, 96px);
  line-height: 1.0;
  letter-spacing: -3px;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 52px;
}
.hero-proof {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-alt);
  max-width: 640px;
}
.proof-item {
  flex: 1;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.proof-num {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--accent);
}
.proof-label {
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.4;
}
.proof-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
  flex-shrink: 0;
}

/* --- Stats --- */
.stats-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 0;
}
.stats-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.stat-card {
  background: var(--bg-alt);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
}
.stat-value {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 36px;
  color: var(--fg);
  letter-spacing: -1px;
}
.stat-note {
  font-size: 12px;
  color: var(--accent);
}

/* --- How It Works --- */
.how-section {
  padding: 100px 0;
}
.how-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.section-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}
.section-heading {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--fg);
  max-width: 600px;
  margin-bottom: 56px;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px;
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 48px;
  color: var(--accent-dim);
  margin-bottom: 20px;
  line-height: 1;
}
.step-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 12px;
}
.step-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* --- Niches --- */
.niches-section {
  padding: 80px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.niches-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.niches-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 36px;
}
.niche-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}
.niche-tag {
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--fg-muted);
  background: var(--bg-card);
  transition: all 0.2s;
}
.niche-tag.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.niche-opportunity {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}
.opp-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.opp-metric {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 36px;
  color: var(--accent);
  letter-spacing: -1px;
}
.opp-label {
  font-size: 13px;
  color: var(--fg-muted);
}

/* --- Pricing --- */
.pricing-section {
  padding: 100px 0;
}
.pricing-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px;
  position: relative;
}
.pricing-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(255,107,53,0.06) 0%, var(--bg-card) 100%);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.pricing-price {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 40px;
  color: var(--fg);
  margin-bottom: 8px;
  letter-spacing: -1px;
}
.pricing-unit {
  font-size: 16px;
  font-weight: 500;
  color: var(--fg-muted);
}
.pricing-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}
.pricing-best-for {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.best-for-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
}
.pricing-best-for span:last-child {
  font-size: 13px;
  color: var(--fg-muted);
}

/* --- Closing --- */
.closing-section {
  padding: 100px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.closing-badge {
  display: inline-block;
  background: var(--accent-dim);
  border: 1px solid rgba(255,107,53,0.2);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--fg);
  max-width: 780px;
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 48px;
}
.closing-proof {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 640px;
}
.cp-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--fg);
}
.cp-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* --- Footer --- */
.footer {
  padding: 60px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--fg);
  letter-spacing: -0.5px;
  margin-bottom: 10px;
}
.footer-desc {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 20px;
}
.footer-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--fg-muted);
}
.footer-sep { color: var(--border); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-tagline { display: none; }
  .hero { padding: 72px 0 60px; }
  .hero-proof {
    flex-direction: column;
    max-width: 100%;
  }
  .proof-divider { width: 100%; height: 1px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .niche-opportunity { grid-template-columns: repeat(2, 1fr); }
  .closing-proof { grid-template-columns: 1fr; }
  .how-section, .pricing-section, .closing-section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .stats-inner { grid-template-columns: 1fr; }
  .niche-opportunity { grid-template-columns: 1fr; }
  .hero-headline { letter-spacing: -1px; }
}