:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #18182400;
  --fg: #e8e8ef;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent: #f97316;
  --accent-glow: rgba(249, 115, 22, 0.15);
  --accent-soft: #fdba74;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --max-w: 1080px;
}

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

html { scroll-behavior: smooth; }

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

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ======= HERO ======= */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--max-w);
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(249,115,22,0.3);
  background: var(--accent-glow);
  padding: 8px 20px;
  border-radius: 40px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  color: #fff;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 40%, var(--accent-soft) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stat-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-dim);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse, rgba(249,115,22,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ======= PROBLEM ======= */
.problem {
  padding: 120px 24px;
  background: var(--bg);
}

.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #fff;
  margin-bottom: 16px;
}

.problem-desc {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 720px;
  margin-bottom: 56px;
  line-height: 1.75;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(249,115,22,0.2);
}

.problem-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 8px;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ======= PIPELINE ======= */
.pipeline {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

.pipeline-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.pipeline h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #fff;
  margin-bottom: 12px;
}

.pipeline-desc {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin-bottom: 64px;
  line-height: 1.7;
}

.pipeline-stages {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.stage {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  padding: 32px 0;
}

.stage-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: rgba(249,115,22,0.2);
  line-height: 1;
  min-width: 72px;
  text-align: right;
}

.stage-content h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 8px;
}

.stage-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  max-width: 560px;
  line-height: 1.65;
}

.stage-connector {
  width: 1px;
  height: 24px;
  background: linear-gradient(to bottom, rgba(249,115,22,0.3), transparent);
  margin-left: 84px;
}

/* ======= VERSUS ======= */
.versus {
  padding: 120px 24px;
  background: var(--bg);
}

.versus-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.versus h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #fff;
  margin-bottom: 48px;
}

.versus-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.versus-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.versus-header {
  background: rgba(249,115,22,0.06);
}

.versus-header .versus-col {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}

.versus-header .versus-after {
  color: var(--accent);
}

.versus-col {
  padding: 20px 28px;
  font-size: 0.95rem;
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
}

.versus-col.versus-after {
  color: var(--fg);
  background: rgba(249,115,22,0.03);
  border-left: 1px solid var(--border);
}

.versus-row:last-child .versus-col {
  border-bottom: none;
}

/* ======= CLOSING ======= */
.closing {
  padding: 140px 24px;
  text-align: center;
  background: var(--bg);
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(249,115,22,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.closing h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.25;
}

.closing-desc {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.75;
}

/* ======= FOOTER ======= */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-dim);
}

/* ======= RESPONSIVE ======= */
@media (max-width: 768px) {
  .hero { min-height: 80vh; padding: 60px 20px; }
  .hero-stat-row { gap: 20px; }
  .hero-stat-divider { display: none; }
  .stat-num { font-size: 1.8rem; }
  
  .problem-grid { grid-template-columns: 1fr; gap: 16px; }
  
  .stage { flex-direction: column; gap: 12px; }
  .stage-number { text-align: left; min-width: auto; font-size: 2.2rem; }
  .stage-connector { margin-left: 0; }
  
  .versus-row { grid-template-columns: 1fr; }
  .versus-header { display: none; }
  .versus-col { padding: 16px 20px; }
  .versus-col.versus-after {
    border-left: none;
    border-left: 3px solid var(--accent);
    background: rgba(249,115,22,0.05);
  }
  
  .problem, .pipeline, .versus, .closing { padding: 80px 20px; }
}