:root {
  --bg: #0c0f14;
  --bg-elevated: #141820;
  --bg-card: #1a1f2a;
  --fg: #e8eaed;
  --fg-muted: #8b919e;
  --fg-dim: #565c6a;
  --accent: #f47421;
  --accent-glow: rgba(244, 116, 33, 0.15);
  --border: #252a36;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1080px;
}

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

html { scroll-behavior: smooth; }

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 {
  padding: 24px 32px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(12, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.5px;
  color: var(--fg);
}
.logo-mark {
  color: var(--accent);
  font-size: 14px;
  margin-right: 6px;
}
.nav-tag {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
}

/* ---- HERO ---- */
.hero {
  padding: 180px 32px 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -300px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}
.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  padding: 6px 16px;
  border: 1px solid rgba(244, 116, 33, 0.3);
  border-radius: 4px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 5.5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 28px;
}
.hero-accent {
  color: var(--accent);
}
.hero-sub {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 36px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -1px;
}
.stat-label {
  font-size: 13px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ---- PROBLEM ---- */
.problem {
  padding: 120px 32px;
  background: var(--bg-elevated);
}
.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.problem-label,
.cap-label,
.how-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -1px;
  max-width: 720px;
  margin-bottom: 64px;
  color: var(--fg-muted);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 28px;
}
.problem-icon {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.problem-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- CAPABILITIES ---- */
.capabilities {
  padding: 120px 32px;
}
.cap-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.cap-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.8vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1.5px;
  margin-bottom: 72px;
}
.cap-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.cap-item {
  display: flex;
  align-items: stretch;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.cap-item:first-child {
  border-top: 1px solid var(--border);
}
.cap-line {
  width: 3px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}
.cap-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.cap-content p {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.65;
}

/* ---- HOW ---- */
.how {
  padding: 120px 32px;
  background: var(--bg-elevated);
}
.how-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.how-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -1px;
  margin-bottom: 72px;
  max-width: 600px;
}
.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 20px;
  display: block;
}
.step-text h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.step-text p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ---- CLOSING ---- */
.closing {
  padding: 140px 32px;
  text-align: center;
}
.closing-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.closing-rule {
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto 48px;
  border-radius: 2px;
}
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.footer {
  padding: 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-left {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
}
.footer-right {
  font-size: 13px;
  color: var(--fg-dim);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { padding: 140px 20px 72px; }
  .hero-stats { flex-direction: column; gap: 24px; align-items: flex-start; }
  .stat-divider { width: 48px; height: 1px; }
  .problem { padding: 80px 20px; }
  .problem-grid { grid-template-columns: 1fr; }
  .capabilities { padding: 80px 20px; }
  .cap-item { gap: 20px; }
  .how { padding: 80px 20px; }
  .how-steps { grid-template-columns: 1fr; gap: 40px; }
  .closing { padding: 100px 20px; }
  .nav { padding: 16px 20px; }
  .nav-tag { display: none; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}