:root {
  --bg: #0A0E1A;
  --bg-surface: #111827;
  --bg-elevated: #1A2436;
  --fg: #EDF0F7;
  --fg-muted: #8A9BB5;
  --fg-dim: #4A5A72;
  --accent: #3B82F6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-bright: #60A5FA;
  --teal: #0EA5A0;
  --red: #E05C5C;
  --green: #34D399;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1100px;
}

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

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

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

/* === HERO === */
.hero {
  padding: 120px 24px 80px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 6px 16px;
  border-radius: 4px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 72px);
  color: var(--fg);
  margin-bottom: 24px;
}

.hero .lede {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.7;
}

.cta-block {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cta-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s ease;
}

.cta-primary:hover {
  background: var(--accent-bright);
}

.cta-note {
  font-size: 14px;
  color: var(--fg-dim);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 64px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--bg-elevated);
  border-radius: 12px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 56px;
  max-width: 700px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  border-left: 2px solid var(--accent);
  padding-left: 24px;
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-dim);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.7;
}

/* === FEATURES === */
.features {
  padding: 100px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 48px;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-row {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--bg-elevated);
}

.feature-row:first-child {
  border-top: 1px solid var(--bg-elevated);
}

.feature-marker {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 8px;
}

.feature-content h3 {
  font-size: 22px;
  margin-bottom: 8px;
  color: var(--fg);
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.7;
  max-width: 600px;
}

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

.how-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 24px;
}

.how-text {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 56px;
}

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

.comparison-col {
  background: var(--bg);
  border-radius: 12px;
  padding: 36px 32px;
  border: 1px solid var(--bg-elevated);
}

.comparison-header {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--bg-elevated);
}

.comparison-col.old .comparison-header { color: var(--fg-dim); }
.comparison-col.new .comparison-header { color: var(--accent); }

.comparison-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comparison-col.old li {
  color: var(--fg-dim);
  text-decoration: line-through;
  text-decoration-color: var(--fg-dim);
}

.comparison-col.new li {
  color: var(--fg);
  position: relative;
  padding-left: 20px;
}

.comparison-col.new li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

/* === CLOSING / WAITLIST === */
.closing {
  padding: 120px 24px;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-size: clamp(28px, 4vw, 48px);
  margin-bottom: 24px;
}

.closing p {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.waitlist-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.waitlist-input {
  padding: 14px 20px;
  font-size: 16px;
  border: 1px solid var(--bg-elevated);
  background: var(--bg-surface);
  color: var(--fg);
  border-radius: 8px;
  font-family: var(--font-body);
  min-width: 280px;
  outline: none;
  transition: border-color 0.2s;
}

.waitlist-input:focus {
  border-color: var(--accent);
}

.waitlist-input::placeholder {
  color: var(--fg-dim);
}

.waitlist-btn {
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: var(--font-display);
  cursor: pointer;
  transition: background 0.2s;
}

.waitlist-btn:hover {
  background: var(--accent-bright);
}

.waitlist-note {
  font-size: 13px;
  color: var(--fg-dim);
}

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

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

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

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

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 12px; }
  .stat-card { padding: 24px 20px; flex-direction: row; align-items: center; gap: 16px; }
  .stat-number { font-size: 28px; }
  .problem { padding: 64px 20px; }
  .problem-grid { grid-template-columns: 1fr; gap: 24px; }
  .problem h2 { margin-bottom: 36px; }
  .features { padding: 64px 20px; }
  .feature-row { flex-direction: column; gap: 12px; padding: 28px 0; }
  .feature-marker { margin-top: 0; }
  .how { padding: 64px 20px; }
  .comparison { grid-template-columns: 1fr; }
  .comparison-col { padding: 28px 24px; }
  .closing { padding: 80px 20px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  .waitlist-form { flex-direction: column; align-items: center; }
  .waitlist-input { width: 100%; min-width: unset; }
  .waitlist-btn { width: 100%; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 32px; }
  .hero .lede { font-size: 16px; }
}