:root {
  --bg-primary: #0f1114;
  --bg-secondary: #16191e;
  --bg-tertiary: #1c2027;
  --fg-primary: #f0ece4;
  --fg-secondary: #9b978f;
  --fg-muted: #5e5b55;
  --accent: #e88c30;
  --accent-glow: rgba(232, 140, 48, 0.15);
  --accent-subtle: rgba(232, 140, 48, 0.08);
  --border: rgba(240, 236, 228, 0.06);
  --border-accent: rgba(232, 140, 48, 0.25);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- NAV --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(15, 17, 20, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--bg-primary);
  background: var(--accent);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  letter-spacing: -0.5px;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--fg-primary);
  letter-spacing: -0.5px;
}

/* --- HERO --- */
.hero {
  position: relative;
  padding: 160px 32px 100px;
  overflow: hidden;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 40px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  color: var(--fg-primary);
  margin-bottom: 28px;
  max-width: 700px;
}
.hero-lede {
  font-size: 19px;
  line-height: 1.65;
  color: var(--fg-secondary);
  max-width: 560px;
  margin-bottom: 60px;
}
.hero-stats {
  display: flex;
  align-items: stretch;
  gap: 40px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
  line-height: 1;
}
.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  max-width: 200px;
  line-height: 1.5;
}
.stat-divider {
  width: 1px;
  background: var(--border);
}
.hero-accent {
  position: absolute;
  top: -200px;
  right: -300px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}

/* --- PROBLEM --- */
.problem {
  padding: 120px 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.problem-label,
.workflow-label,
.dfy-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.problem-title,
.workflow-title,
.dfy-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--fg-primary);
  margin-bottom: 56px;
  max-width: 640px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.problem-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  transition: border-color 0.3s;
}
.problem-card:hover {
  border-color: var(--border-accent);
}
.problem-icon {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 24px;
  opacity: 0.7;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.problem-card p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-secondary);
}

/* --- WORKFLOW --- */
.workflow {
  padding: 120px 32px;
}
.workflow-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.workflow-steps {
  max-width: 640px;
}
.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}
.step-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  min-width: 48px;
  line-height: 1;
  padding-top: 4px;
}
.step-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.step-content p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-secondary);
}
.step-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--border-accent), var(--border));
  margin-left: 23px;
  margin-top: 8px;
  margin-bottom: 8px;
}

/* --- DFY --- */
.dfy {
  padding: 120px 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.dfy-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.dfy-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-secondary);
  margin-bottom: 20px;
}
.dfy-checklist {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.check-item {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 16px;
  color: var(--fg-primary);
  font-weight: 500;
  padding: 16px 24px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s;
}
.check-item:hover {
  border-color: var(--border-accent);
}
.check-mark {
  color: var(--accent);
  font-size: 18px;
  font-weight: 700;
  min-width: 24px;
}

/* --- CLOSING --- */
.closing {
  padding: 140px 32px;
  text-align: center;
}
.closing-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.closing-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1.5px;
  color: var(--fg-primary);
  margin-bottom: 24px;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}
.closing-desc {
  font-size: 18px;
  line-height: 1.65;
  color: var(--fg-secondary);
  max-width: 580px;
  margin: 0 auto;
}

/* --- FOOTER --- */
.footer {
  padding: 60px 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo .logo-mark {
  width: 28px;
  height: 28px;
  font-size: 11px;
  border-radius: 6px;
}
.footer-logo .logo-text {
  font-size: 16px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .hero { padding: 120px 20px 80px; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .stat-divider { width: 60px; height: 1px; }
  .problem, .workflow, .dfy, .closing { padding: 80px 20px; }
  .problem-grid { grid-template-columns: 1fr; }
  .dfy-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .step { gap: 20px; }
  .step-num { min-width: 36px; font-size: 26px; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  .hero-title { letter-spacing: -1px; }
  .problem-card { padding: 28px 24px; }
  .nav-inner { padding: 0 20px; }
}