:root {
  --color-bg: #0a0a0f;
  --color-bg-alt: #12121a;
  --color-surface: #1a1a2e;
  --color-text: #e8e8f0;
  --color-text-muted: #9a9ab0;
  --color-accent: #4f8cff;
  --color-accent-hover: #6ba0ff;
  --color-border: #2a2a3e;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 8px;
  --container: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
}

.logo span {
  color: var(--color-accent);
}

.nav-cta {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  padding: 8px 20px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  transition: all 0.2s;
}

.nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* Hero */
.hero {
  padding: 160px 0 100px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto 60px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

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

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  max-width: 160px;
  text-align: center;
}

/* Sections */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--color-bg-alt);
}

.section h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-intro {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: 48px;
}

/* Grid */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

/* Features */
.feature {
  padding: 24px 0;
}

.feature h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Timeline */
.timeline {
  max-width: 640px;
}

.timeline-item {
  display: flex;
  gap: 24px;
  padding-bottom: 36px;
  position: relative;
}

.timeline-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-marker {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--color-accent);
  color: var(--color-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.timeline-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-duration {
  font-weight: 500;
  color: var(--color-accent);
  font-size: 0.85rem;
}

.timeline-content p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Pricing */
.pricing-card {
  text-align: center;
}

.pricing-card.featured {
  border-color: var(--color-accent);
  position: relative;
}

.pricing-card h3 {
  margin-bottom: 16px;
}

.price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 24px;
}

.pricing-card ul {
  list-style: none;
  text-align: left;
}

.pricing-card ul li {
  padding: 8px 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.pricing-note {
  margin-top: 32px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Results */
.result {
  padding: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.result-number {
  display: block;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-accent);
}

.result-label {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.result p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Signals */
.signals {
  margin-top: 48px;
  padding: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.signals h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.signals ul {
  list-style: none;
}

.signals ul li {
  padding: 8px 0;
  color: var(--color-text-muted);
  font-style: italic;
  font-size: 0.95rem;
}

.signals ul li::before {
  content: "\2192\00a0";
  color: var(--color-accent);
}

/* Contact */
.contact-section {
  text-align: center;
  padding: 80px 0;
}

.cta-button {
  display: inline-block;
  margin-top: 24px;
  padding: 16px 40px;
  background: var(--color-accent);
  color: var(--color-bg);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: var(--radius);
  transition: background 0.2s;
}

.cta-button:hover {
  background: var(--color-accent-hover);
}

/* Footer */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-stats {
    gap: 32px;
  }

  .section {
    padding: 64px 0;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }
}