:root {
  --bg: #0c1a0f;
  --surface: #142118;
  --surface2: #1c2e21;
  --border: #2a3f2e;
  --primary: #c2552a;
  --primary-light: #d4724e;
  --accent: #e8a849;
  --success: #4caf50;
  --text: #f0ece4;
  --text-dim: #8a9a8c;
  --radius: 14px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* Language toggle */
.lang-btn {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 100;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.lang-btn:hover {
  background: var(--border);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
  background: radial-gradient(ellipse at 50% 30%, #1c2e21 0%, var(--bg) 70%);
}

.hero-content {
  max-width: 600px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.brand-logo {
  font-size: 40px;
}

.brand-name {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
}

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

.hero h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero p {
  font-size: 18px;
  color: var(--text-dim);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
}

.cta-btn:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}

.cta-btn:active {
  transform: translateY(0);
}

.cta-sub {
  font-size: 14px;
  color: var(--text-dim);
  margin-top: 12px;
}

/* Features */
.features {
  padding: 80px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.5;
}

/* How it works */
.how-it-works {
  padding: 80px 24px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.how-it-works h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 40px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
  text-align: left;
}

.step {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step p {
  font-size: 16px;
}

/* Final CTA */
.final-cta {
  padding: 80px 24px;
  text-align: center;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.final-cta h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
}

/* Footer */
.footer {
  padding: 24px;
  text-align: center;
  font-size: 14px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
}

/* Mobile adjustments */
@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}