/* =============================================
   LaunchPad AI — Landing Page Theme
   ============================================= */

:root {
  --bg: #0A0A0F;
  --surface: #111118;
  --surface-2: #1A1A24;
  --border: #1E1E2E;
  --text: #F0EEE8;
  --text-muted: #7A7885;
  --accent: #10B981;
  --accent-dim: rgba(16, 185, 129, 0.12);
  --red: #EF4444;
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- NAVIGATION --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.nav-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 100px;
  padding: 5px 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* --- HERO --- */
.hero {
  padding: 100px 48px 80px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  font-weight: 500;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25); }
  50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.1); }
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 28px;
}

.hero-headline em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: 19px;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 60px;
}

.hero-visual {
  display: flex;
  justify-content: flex-start;
}

/* Agent Card */
.agent-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 0 60px rgba(16, 185, 129, 0.06);
}

.agent-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.status-dot.pulse {
  animation: pulse 2s ease-in-out infinite;
}

.agent-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child { border-bottom: none; }

.step-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.step-content { flex: 1; }

.step-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
  font-family: var(--font-display);
}

.step-detail {
  font-size: 12px;
  color: var(--text-muted);
}

.step-active .step-title { color: var(--accent); }

.step-pending .step-icon { opacity: 0.4; }
.step-pending .step-title { color: var(--text-muted); }

/* --- PROOF STATS --- */
.proof {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px;
  background: var(--surface);
}

.proof-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 32px;
}

.proof-stat {
  text-align: center;
  flex: 1;
  min-width: 180px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.stat-unit {
  font-size: 28px;
  color: var(--accent);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.5;
}

.proof-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
}

/* --- FEATURES --- */
.features {
  padding: 100px 48px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 64px;
  max-width: 640px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 36px 32px;
  transition: border-color 0.2s;
}

.feature-card:first-child { border-radius: 12px 0 0 0; }
.feature-card:nth-child(3) { border-radius: 0 12px 0 0; }
.feature-card:nth-child(4) { border-radius: 0 0 0 12px; }
.feature-card:last-child { border-radius: 0 0 12px 0; }

.feature-card:hover {
  border-color: rgba(16, 185, 129, 0.3);
}

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

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --- HOW IT WORKS --- */
.how {
  padding: 100px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-steps {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
  flex-wrap: wrap;
  row-gap: 40px;
}

.how-step {
  flex: 1;
  min-width: 220px;
}

.step-num {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.how-step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.how-step p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

.how-arrow {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
  flex-shrink: 0;
  opacity: 0.4;
}

/* --- CLOSING --- */
.closing {
  padding: 120px 48px;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 32px;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 60px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 48px;
}

.closing-statement {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--accent);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
  padding: 24px 32px;
  background: var(--accent-dim);
  border: 1px solid rgba(16, 185, 129, 0.15);
  border-radius: 12px;
}

/* --- FOOTER --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
}

.footer p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}

.footer-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 60px 24px 60px; }
  .hero-headline { font-size: 42px; }
  .hero-sub { font-size: 16px; margin-bottom: 40px; }
  .hero-visual { justify-content: center; }
  .agent-card { max-width: 100%; }

  .proof { padding: 40px 24px; }
  .proof-inner { gap: 24px; }
  .proof-divider { display: none; }
  .stat-num { font-size: 42px; }

  .features { padding: 60px 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card:first-child { border-radius: 12px 12px 0 0; }
  .feature-card:last-child { border-radius: 0 0 12px 12px; }

  .how { padding: 60px 24px; }
  .how-arrow { display: none; }
  .how-step { min-width: 100%; }

  .closing { padding: 80px 24px; }
  .closing-statement { font-size: 14px; padding: 20px; }

  .footer { flex-direction: column; gap: 16px; text-align: center; padding: 32px 24px; }
}

@media (max-width: 480px) {
  .section-headline { font-size: 28px; }
  .closing-headline { font-size: 30px; }
  .stat-num { font-size: 36px; }
  .feature-card { padding: 28px 24px; }
}