:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #6c5ce7;
  --accent-bright: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.15);
  --red-muted: #e74c3c;
  --green: #00d2a0;
  --border: #2a2a3a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

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

/* ---- HERO ---- */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 10% 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-bright);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
  width: fit-content;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  margin-bottom: 28px;
  max-width: 700px;
}

.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ---- PROBLEM ---- */
.problem {
  padding: 100px 10%;
  border-top: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.problem-text h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 24px;
}

.problem-text p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 16px;
  max-width: 480px;
}

.problem-contrast {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contrast-card {
  padding: 28px 32px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.contrast-card.bad {
  border-left: 3px solid var(--red-muted);
}

.contrast-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contrast-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contrast-card li {
  color: var(--fg-muted);
  font-size: 0.95rem;
  padding-left: 18px;
  position: relative;
}

.contrast-card li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: var(--red-muted);
  font-size: 0.75rem;
  top: 2px;
}

/* ---- HOW IT WORKS ---- */
.how {
  padding: 100px 10%;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.how-header {
  margin-bottom: 64px;
}

.how-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.how-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
}

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

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

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

.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.5;
  line-height: 1;
}

.step-content h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--fg);
}

.step-content p {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 560px;
  line-height: 1.7;
}

/* ---- PROOF ---- */
.proof {
  padding: 100px 10%;
  border-top: 1px solid var(--border);
}

.proof-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.proof-statement h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

.proof-statement p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 440px;
  line-height: 1.7;
}

.proof-numbers {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.proof-item {
  display: flex;
  flex-direction: column;
  padding-left: 24px;
  border-left: 2px solid var(--accent);
}

.proof-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1.2;
}

.proof-desc {
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 10%;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing h2 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin-bottom: 24px;
  position: relative;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.15rem;
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
  position: relative;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 40px 10%;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

/* ---- MOBILE ---- */
@media (max-width: 768px) {
  .hero { padding: 60px 6% 40px; min-height: auto; }
  .hero h1 { font-size: 2.5rem; }
  .lede { font-size: 1.05rem; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 24px; }
  .stat-divider { display: none; }

  .problem { padding: 60px 6%; }
  .problem-grid { grid-template-columns: 1fr; gap: 40px; }

  .how { padding: 60px 6%; }
  .step { grid-template-columns: 50px 1fr; gap: 16px; padding: 28px 0; }
  .step-num { font-size: 1.8rem; }

  .proof { padding: 60px 6%; }
  .proof-inner { grid-template-columns: 1fr; gap: 40px; }

  .closing { padding: 80px 6%; }

  .site-footer { padding: 30px 6%; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .contrast-card { padding: 20px 24px; }
}