:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a28;
  --bg-card-hover: #222236;
  --text-primary: #f0f0f5;
  --text-secondary: #9898b0;
  --text-muted: #6a6a82;
  --accent: #ff4d2a;
  --accent-glow: rgba(255, 77, 42, 0.15);
  --accent-soft: #ff6b4d;
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(255, 77, 42, 0.3);
  --radius: 16px;
  --radius-sm: 10px;
  --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-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== 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: 900px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
  background: var(--accent-glow);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.hero-sub {
  font-size: clamp(18px, 2.5vw, 22px);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 56px;
  line-height: 1.6;
}

.hero-stat-row {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  max-width: 160px;
  text-align: center;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(255, 77, 42, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

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

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.problem-label,
.hiw-label,
.features-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.problem h2,
.hiw-inner h2,
.features-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 56px;
  color: var(--text-primary);
}

.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: var(--radius);
  padding: 40px 32px;
  transition: border-color 0.3s, background 0.3s;
}

.problem-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 24px;
  letter-spacing: 1px;
}

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

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

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 120px 24px;
  background: var(--bg-primary);
}

.hiw-inner {
  max-width: 800px;
  margin: 0 auto;
}

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

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

.step-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hiw-connector {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--border-accent), transparent);
  margin-left: 28px;
}

/* ===== FEATURES ===== */
.features {
  padding: 120px 24px;
  background: var(--bg-secondary);
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  transition: border-color 0.3s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.feature-card-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255, 77, 42, 0.04) 100%);
  border-color: var(--border-accent);
}

.feature-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent-soft);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card-large h3 {
  font-size: 28px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 520px;
}

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

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.closing-glow {
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(255, 77, 42, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.closing .accent {
  color: var(--accent);
}

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

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

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-card-large {
    grid-column: span 1;
  }

  .hero-stat-row {
    flex-direction: column;
    gap: 28px;
    align-items: center;
  }

  .hero {
    min-height: auto;
    padding: 80px 20px 60px;
  }

  .problem,
  .how-it-works,
  .features,
  .closing {
    padding: 80px 20px;
  }

  .hiw-step {
    gap: 20px;
  }

  .step-num {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  .hiw-connector {
    margin-left: 22px;
  }

  .feature-card,
  .problem-card {
    padding: 28px 24px;
  }
}