:root {
  --bg: #0c0c0e;
  --bg-elevated: #141418;
  --bg-card: #1a1a20;
  --fg: #e8e6e1;
  --fg-muted: #9a9890;
  --accent: #d4a853;
  --accent-dim: rgba(212, 168, 83, 0.15);
  --accent-glow: rgba(212, 168, 83, 0.3);
  --red: #c25450;
  --green: #5a9a6e;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1120px;
}

* { 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;
}

/* === HERO === */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 80px 40px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-tag {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero h1 .accent {
  color: var(--accent);
  font-style: italic;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Flow Diagram */
.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.flow-node {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  min-width: 110px;
  transition: border-color 0.3s;
}

.flow-node:hover {
  border-color: var(--accent);
}

.node-icon {
  font-size: 24px;
}

.node-bridge {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.flow-arrow {
  color: var(--fg-muted);
  font-size: 24px;
}

.stat-bar {
  display: flex;
  gap: 32px;
}

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

.stat-num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  max-width: 160px;
  line-height: 1.4;
}

/* === PROBLEM === */
.problem {
  padding: 100px 40px;
  background: var(--bg-elevated);
}

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  margin-bottom: 56px;
  letter-spacing: -0.5px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  padding: 36px 28px;
  border-left: 2px solid var(--accent);
}

.problem-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* === SERVICES === */
.services {
  padding: 100px 40px;
}

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

.services-header {
  margin-bottom: 56px;
}

.services-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.services-sub {
  color: var(--fg-muted);
  font-size: 18px;
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
  transition: border-color 0.3s, transform 0.2s;
}

.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.service-icon {
  font-size: 32px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

.service-tag {
  display: inline-block;
  margin-top: 20px;
  padding: 4px 12px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 100px;
}

/* === WHY === */
.why {
  padding: 100px 40px;
  background: var(--bg-elevated);
}

.why-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.why-left h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.5px;
  position: sticky;
  top: 100px;
}

.why-right {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.why-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.why-marker {
  width: 12px;
  height: 12px;
  min-width: 12px;
  background: var(--accent);
  border-radius: 3px;
  margin-top: 6px;
}

.why-item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.why-item p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* === CLOSING === */
.closing {
  padding: 120px 40px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.5;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 28px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 18px;
  margin-bottom: 12px;
  line-height: 1.7;
}

.closing-location {
  margin-top: 40px;
  font-family: var(--font-display);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
}

/* === FOOTER === */
.site-footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.footer-meta {
  color: var(--fg-muted);
  font-size: 14px;
}

.footer-contact {
  color: var(--fg-muted);
  font-size: 14px;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .why-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .why-left h2 {
    position: static;
  }

  .stat-bar {
    flex-direction: column;
    gap: 20px;
  }

  .flow-diagram {
    flex-wrap: wrap;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 60px 20px 40px;
    min-height: auto;
  }

  .problem,
  .services,
  .why,
  .closing {
    padding: 60px 20px;
  }

  .site-footer {
    padding: 32px 20px;
  }

  .flow-node {
    min-width: 80px;
    padding: 16px 12px;
    font-size: 12px;
  }
}