:root {
  --bg: #0a0f1a;
  --bg-secondary: #111827;
  --fg: #e8ecf4;
  --fg-muted: #8b95a8;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.15);
  --accent-glow: rgba(245, 158, 11, 0.08);
  --surface: #1a2236;
  --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; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 100px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 5rem 2rem;
  background: var(--bg-secondary);
}

.problem-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: center;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
}

.problem-text p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}

.problem-emphasis {
  color: var(--fg) !important;
  font-weight: 500;
  font-size: 1.15rem !important;
}

/* ---- FEATURES ---- */
.features {
  padding: 5rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(245, 158, 11, 0.25);
}

.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
  display: block;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- HOW ---- */
.how {
  padding: 5rem 2rem;
  background: var(--bg-secondary);
}

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

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  text-align: center;
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
}

.how-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.how-col {
  border-radius: 16px;
  padding: 2rem;
}

.how-old {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}

.how-new {
  background: var(--accent-dim);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.how-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  color: var(--fg-muted);
}

.how-new .how-label {
  color: var(--accent);
}

.how-col ul {
  list-style: none;
}

.how-col li {
  font-size: 0.95rem;
  color: var(--fg-muted);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

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

.how-new li {
  color: var(--fg);
}

/* ---- CLOSING ---- */
.closing {
  padding: 6rem 2rem;
  text-align: center;
}

.closing-inner {
  max-width: 620px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.closing p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.footer-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-divider {
  width: 1px;
  height: 14px;
  background: var(--border);
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { min-height: 60vh; padding: 4rem 1.5rem 3rem; }
  .problem-inner { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .how-comparison { grid-template-columns: 1fr; }
  .stat-number { font-size: 4rem; }
}