/* LeadSpot Theme — Industrial, Bold, High-Contrast */

:root {
  --bg: #0f0f14;
  --bg-card: #17171f;
  --bg-section: #0f0f14;
  --fg: #f5f0e8;
  --fg-muted: #9997a3;
  --accent: #f59e0b;
  --accent-dim: #c47a08;
  --border: #2a2a36;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 15, 20, 0.85);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.04em;
  color: var(--accent);
}
.nav-tag {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* SECTION LABELS */
.section-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.05;
  color: var(--fg);
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}
.section-body {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 32px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}
.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(56px, 9vw, 112px);
  line-height: 0.95;
  color: var(--fg);
  letter-spacing: 0.01em;
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 20px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.65;
  margin-bottom: 64px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}
.hero-stat {
  padding: 24px 40px 24px 0;
}
.hero-stat-value {
  font-family: var(--font-display);
  font-size: 48px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.hero-stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.hero-stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  margin: 0 40px;
}

/* PROBLEM */
.problem {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  position: relative;
}
.problem-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 18px;
  margin-bottom: 20px;
}
.problem-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
  line-height: 1.4;
}
.problem-desc {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* HOW */
.how {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
  background: #131318;
}
.how-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 60px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.how-card {
  padding: 40px;
  border-right: 1px solid var(--border);
  background: var(--bg-card);
  position: relative;
}
.how-card:last-child { border-right: none; }
.how-number {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.how-title {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--fg);
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin-bottom: 16px;
}
.how-desc {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* MATH */
.math {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.math-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.math-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 60px 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.math-item {
  padding: 36px 28px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  text-align: center;
}
.math-item:last-child { border-right: none; }
.math-role {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 12px;
}
.math-value {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.math-note {
  font-size: 13px;
  color: var(--fg-muted);
}
.math-cta {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.65;
  border-left: 3px solid var(--accent);
  padding-left: 20px;
}

/* CLOSING */
.closing {
  padding: 120px 32px;
  border-top: 1px solid var(--border);
  background: #131318;
  text-align: center;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}
.closing-eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.0;
  color: var(--fg);
  margin-bottom: 28px;
}
.closing-body {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}
.closing-vision {
  font-size: 16px;
  color: var(--fg);
  line-height: 1.65;
  padding: 24px 32px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: rgba(245,158,11,0.06);
}

/* FOOTER */
.footer {
  padding: 48px 32px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 8px;
}
.footer-tag {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 24px;
}
.footer-copy {
  font-size: 12px;
  color: #555;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-headline { font-size: 56px; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .hero-stat-divider { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr; }
  .how-card { border-right: none; border-bottom: 1px solid var(--border); }
  .how-card:last-child { border-bottom: none; }
  .math-grid { grid-template-columns: repeat(2, 1fr); }
  .math-item:nth-child(2) { border-right: none; }
  .math-item { border-bottom: 1px solid var(--border); }
  .math-item:nth-child(1), .math-item:nth-child(2) { border-bottom: 1px solid var(--border); }
  .math-item:nth-child(3), .math-item:nth-child(4) { border-bottom: none; }
  .section-headline { font-size: 42px; }
  .closing-headline { font-size: 42px; }
}