:root {
  --bg: #0a0f1a;
  --bg-secondary: #111827;
  --fg: #e8ecf4;
  --fg-muted: #8b95a8;
  --accent: #f97316;
  --accent-glow: rgba(249, 115, 22, 0.15);
  --accent-soft: #fed7aa;
  --surface: #1a2235;
  --surface-border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { 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;
  overflow-x: hidden;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-inner {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(249, 115, 22, 0.25);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
  color: #fff;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stat {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 20px 32px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 15px;
  color: var(--fg-muted);
  text-align: left;
  max-width: 220px;
  line-height: 1.4;
}

.hero-gradient {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(249,115,22,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.problem-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 56px;
  text-align: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.problem-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.2s;
}

.problem-card:hover {
  border-color: rgba(249, 115, 22, 0.3);
}

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

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

.problem-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
}

.features-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 60px;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-item {
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--surface-border);
  background: linear-gradient(180deg, var(--surface) 0%, transparent 100%);
  transition: transform 0.2s, border-color 0.2s;
}

.feature-item:hover {
  transform: translateY(-2px);
  border-color: rgba(249, 115, 22, 0.2);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.feature-item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

.feature-item p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== HOW ===== */
.how {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.how-inner {
  max-width: 640px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 56px;
  text-align: center;
}

.how-steps {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.how-step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.step-marker {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--accent);
  font-size: 16px;
  line-height: 1;
  margin-top: 4px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.step-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
  margin-left: 7px;
  margin-top: 8px;
  margin-bottom: 8px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(249,115,22,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.15;
}

.closing-text {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--accent);
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--surface-border);
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .hero {
    min-height: auto;
    padding: 80px 20px 60px;
  }
  
  .hero-stat {
    flex-direction: column;
    text-align: center;
    padding: 20px 24px;
  }
  
  .stat-label {
    text-align: center;
    max-width: 100%;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  
  .problem, .features, .how, .closing {
    padding: 60px 20px;
  }
}