:root {
  --bg: #0a0b0f;
  --bg-surface: #12131a;
  --bg-card: #1a1b25;
  --fg: #e8e9ed;
  --fg-dim: #8b8d97;
  --accent: #e85d24;
  --accent-glow: rgba(232, 93, 36, 0.15);
  --accent-light: #ff7a45;
  --border: rgba(255,255,255,0.06);
  --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: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 100px;
  overflow: hidden;
}

.hero-inner {
  max-width: 800px;
  margin: 0 auto;
  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);
  padding: 8px 20px;
  border: 1px solid rgba(232, 93, 36, 0.3);
  border-radius: 100px;
  margin-bottom: 40px;
}

.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: 32px;
  color: #fff;
}

.hero-sub {
  font-size: 20px;
  line-height: 1.6;
  color: var(--fg-dim);
  max-width: 520px;
}

.hero-glow {
  position: absolute;
  top: -200px;
  right: -300px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  z-index: 1;
  pointer-events: none;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 120px 40px;
  border-top: 1px solid var(--border);
}

.problem-inner {
  max-width: 900px;
  margin: 0 auto;
}

.problem-label,
.features-label,
.how-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 24px;
  text-transform: uppercase;
}

.problem h2,
.features h2,
.how h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 60px;
}

.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: 16px;
  padding: 36px 28px;
}

.problem-number {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.problem-card p {
  font-size: 16px;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* ===== FEATURES ===== */
.features {
  padding: 120px 40px;
  background: var(--bg-surface);
}

.features-inner {
  max-width: 900px;
  margin: 0 auto;
}

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

.feature-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  transition: border-color 0.3s;
}

.feature-block:hover {
  border-color: rgba(232, 93, 36, 0.25);
}

.feature-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(232, 93, 36, 0.05) 100%);
  border-color: rgba(232, 93, 36, 0.15);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 20px;
}

.feature-block h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}

.feature-block p {
  font-size: 15px;
  color: var(--fg-dim);
  line-height: 1.65;
}

/* ===== HOW IT WORKS ===== */
.how {
  padding: 120px 40px;
  border-top: 1px solid var(--border);
}

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

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

.how-step {
  display: flex;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.how-step:last-child {
  border-bottom: none;
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 60px;
}

.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-dim);
  line-height: 1.65;
}

/* ===== CLOSING ===== */
.closing {
  padding: 140px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing-inner {
  max-width: 650px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.closing-glow {
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 24px;
}

.closing p {
  font-size: 18px;
  color: var(--fg-dim);
  line-height: 1.7;
}

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

.footer-inner {
  max-width: 900px;
  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-note {
  font-size: 13px;
  color: var(--fg-dim);
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 100px 24px 80px;
    min-height: 80vh;
  }

  .hero h1 {
    letter-spacing: -1px;
  }

  .hero-sub {
    font-size: 17px;
  }

  .problem,
  .features,
  .how,
  .closing {
    padding: 80px 24px;
  }

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

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

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

  .how-step {
    flex-direction: column;
    gap: 16px;
  }

  .step-num {
    font-size: 36px;
  }

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

@media (max-width: 480px) {
  .hero {
    padding: 80px 20px 60px;
  }

  .problem,
  .features,
  .how,
  .closing {
    padding: 60px 20px;
  }

  .problem-card,
  .feature-block {
    padding: 28px 20px;
  }
}