/* LeadPulse — Dark, authoritative, electric amber */

:root {
  --bg: #0c0c10;
  --surface: #14141b;
  --surface-2: #1c1c26;
  --fg: #f0ede8;
  --fg-muted: #8a8799;
  --fg-subtle: #5a5870;
  --accent: #F5A623;
  --accent-dim: rgba(245, 166, 35, 0.12);
  --border: rgba(240, 237, 232, 0.08);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

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

/* ─── Navigation ─── */
.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: rgba(12, 12, 16, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.nav-tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(245, 166, 35, 0.2);
}

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 48px 80px;
  max-width: 900px;
  position: relative;
}

.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  font-weight: 500;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 32px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-pulse-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-ring 2s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(245, 166, 35, 0.4);
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(245, 166, 35, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(245, 166, 35, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 166, 35, 0); }
}

/* ─── Problem ─── */
.problem {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--surface);
  padding: 48px 40px;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.problem-caption {
  text-align: center;
  font-size: 0.9rem;
  color: var(--fg-subtle);
  font-style: italic;
}

/* ─── Solution ─── */
.solution {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
}

.solution-header {
  margin-bottom: 64px;
}

.solution-header h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.solution-intro {
  font-size: 1.05rem;
  color: var(--fg-muted);
}

.solution-stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.solution-card {
  background: var(--surface);
  padding: 48px 40px;
}

.sol-icon {
  margin-bottom: 20px;
}

.solution-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.solution-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ─── Industries ─── */
.industries {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.industries-top {
  margin-bottom: 60px;
}

.industries-top h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.industries-top p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 520px;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.industry-item h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 16px 0 10px;
}

.industry-item p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── Outcomes ─── */
.outcomes {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.outcomes-label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 500;
}

.outcomes-left h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 20px;
}

.outcomes-body {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.outcome-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.outcome-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.outcome-check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid rgba(245, 166, 35, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.metrics-stack {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.metric-block {
  background: var(--surface);
  padding: 40px 36px;
}

.metric-val {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
}

.metric-desc {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ─── Closing ─── */
.closing {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 700px;
}

.closing-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(245, 166, 35, 0.2);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 32px;
}

.closing-inner h2 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 24px;
}

.closing-inner p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 48px;
}

.closing-proof {
  display: flex;
  align-items: center;
  gap: 40px;
}

.proof-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.proof-stat {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
}

.proof-desc {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

.proof-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ─── Footer ─── */
footer {
  padding: 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 8px;
}

.footer-meta {
  font-size: 0.75rem;
  color: var(--fg-subtle);
  font-style: italic;
}

.footer-contact {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 10px;
}

.footer-email {
  font-size: 0.82rem;
  color: var(--accent);
  text-decoration: none;
}

.footer-email:hover {
  text-decoration: underline;
}

.footer-sep {
  color: var(--fg-subtle);
  font-size: 0.75rem;
}

.footer-founder {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .topnav { padding: 16px 24px; }
  .hero { padding: 120px 24px 60px; }
  .problem { padding: 60px 24px; }
  .solution { padding: 60px 24px; }
  .industries { padding: 60px 24px; }
  .outcomes { padding: 60px 24px; grid-template-columns: 1fr; gap: 40px; }
  .closing { padding: 60px 24px; }
  footer { padding: 40px 24px; }

  .problem-grid { grid-template-columns: 1fr; }
  .solution-stack { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .closing-proof { flex-direction: column; gap: 24px; align-items: flex-start; }
  .proof-divider { display: none; }
  .hero-headline { font-size: 2.6rem; }
  .outcomes-left h2 { font-size: 1.8rem; }
  .closing-inner h2 { font-size: 1.8rem; }
}