/* Isolated Stems — Modern/Minimal Dark Theme */
:root {
  --primary: #6C63FF;
  --primary-light: #8B85FF;
  --accent: #00D4AA;
  --dark: #0A0A0F;
  --dark-card: #12121A;
  --dark-surface: #1A1A25;
  --gray-border: rgba(255,255,255,0.06);
  --text: #E8E8F0;
  --text-dim: rgba(255,255,255,0.45);
  --text-mid: rgba(255,255,255,0.7);
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  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(20px);
  border-bottom: 1px solid var(--gray-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}
.logo img { height: 32px; }
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.3px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary-light); }
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-menu span {
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(108,99,255,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(0,212,170,0.08) 0%, transparent 50%);
}
.hero-content {
  position: relative;
  padding: 140px 0 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -1px;
}
.hero-title .gradient {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-mid);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 48px;
}
.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
}
.stat-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(108,99,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,99,255,0.4);
}

/* ── Sections ── */
.section { padding: 96px 0; }
.section-title {
  font-size: 36px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-subtitle {
  text-align: center;
  color: var(--text-dim);
  font-size: 16px;
  margin-bottom: 56px;
}

/* ── Grid ── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }

/* ── Cards ── */
.card {
  background: var(--dark-card);
  border: 1px solid var(--gray-border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(108,99,255,0.3);
}
.card-icon {
  font-size: 32px;
  margin-bottom: 20px;
}
.card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ── Steps ── */
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 16px;
}

/* ── Footer ── */
.footer {
  background: var(--dark-card);
  border-top: 1px solid var(--gray-border);
  padding: 64px 0 32px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.footer-brand { text-align: center; }
.footer-brand p {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 12px;
  line-height: 1.6;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--primary-light); }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.2); }

/* ── Page layout ── */
.page-header {
  background: var(--dark-surface);
  padding: 120px 0 64px;
  text-align: center;
  border-bottom: 1px solid var(--gray-border);
}
.page-header h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.page-header p { color: var(--text-dim); font-size: 16px; }
.page-content { padding: 64px 0; }
.page-content p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 24px;
  color: var(--text-mid);
}
.page-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin: 48px 0 16px;
  letter-spacing: -0.3px;
}

/* Contact */
.contact-form { max-width: 560px; margin: 0 auto; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-border);
  border-radius: 10px;
  font-family: var(--sans);
  font-size: 14px;
  background: var(--dark-surface);
  color: var(--text);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* Pricing */
.pricing-card {
  background: var(--dark-card);
  border: 1px solid var(--gray-border);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  transition: border-color 0.2s;
}
.pricing-card:hover { border-color: rgba(108,99,255,0.3); }
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 40px rgba(108,99,255,0.15);
}
.pricing-price {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin: 16px 0;
}
.pricing-price span { font-size: 16px; color: var(--text-dim); font-weight: 400; }
.pricing-features {
  list-style: none;
  padding: 0;
  text-align: left;
  font-size: 14px;
  color: var(--text-mid);
  line-height: 2.2;
}
.pricing-features li::before {
  content: '✓ ';
  color: var(--accent);
  font-weight: 700;
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
  }
  .nav-links.open { display: flex; }
  .mobile-menu { display: flex; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-title { font-size: 32px; }
}