/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1a1a2e;
  line-height: 1.6;
  background: #fff;
}
a { text-decoration: none; color: inherit; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  background: #6c3ce0;
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}
.btn:hover { background: #5a2dc5; }
.btn-sm { padding: 10px 22px; font-size: 0.9rem; }
.btn-full { width: 100%; }

/* ---- Nav ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #eee;
  z-index: 100;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { font-weight: 800; font-size: 1.25rem; color: #1a1a2e; }
.logo span { color: #6c3ce0; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-weight: 500; font-size: 0.95rem; color: #444; transition: color 0.2s; }
.nav-links a:hover { color: #6c3ce0; }
.nav-links .btn { color: #fff; }
.nav-links .btn:hover { color: #fff; }

/* ---- Hero ---- */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(135deg, #f5f0ff 0%, #eef2ff 100%);
  text-align: center;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  max-width: 750px;
  margin: 0 auto 24px;
  color: #1a1a2e;
}
.hero-sub {
  font-size: 1.2rem;
  color: #555;
  max-width: 620px;
  margin: 0 auto 40px;
}

/* ---- Stats ---- */
.stats {
  padding: 60px 0;
  background: #1a1a2e;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-card { padding: 12px 0; }
.stat-number { display: block; font-size: 2.5rem; font-weight: 800; color: #a78bfa; }
.stat-label { font-size: 0.95rem; color: #aaa; margin-top: 4px; }

/* ---- Features ---- */
.features { padding: 100px 0; }
.features h2, .how-it-works h2, .contact h2 {
  font-size: 2.2rem; font-weight: 800; text-align: center; margin-bottom: 8px;
}
.section-sub {
  text-align: center; color: #666; font-size: 1.1rem; margin-bottom: 56px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.feature-card {
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 36px;
  transition: box-shadow 0.2s;
}
.feature-card:hover { box-shadow: 0 4px 24px rgba(108,60,224,0.08); }
.feature-icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: #555; font-size: 0.95rem; }

/* ---- How it works ---- */
.how-it-works {
  padding: 100px 0;
  background: #f9fafb;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}
.step-card { padding: 24px; }
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  background: #6c3ce0; color: #fff;
  font-size: 1.5rem; font-weight: 800;
  border-radius: 50%;
  margin-bottom: 20px;
}
.step-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.step-card p { color: #555; font-size: 0.95rem; }

/* ---- Contact ---- */
.contact { padding: 100px 0; }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-text h2 { text-align: left; }
.contact-text p { color: #555; margin-top: 16px; font-size: 1.05rem; }
.contact-info { margin-top: 32px; }
.contact-info p { color: #333; }

.contact-form {
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 36px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-weight: 600; font-size: 0.9rem;
  margin-bottom: 6px; color: #333;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
  background: #fff;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #6c3ce0;
}
.form-status {
  margin-top: 12px;
  font-size: 0.9rem;
  min-height: 1.4em;
}
.form-status.success { color: #16a34a; }
.form-status.error { color: #dc2626; }

/* ---- Footer ---- */
.footer {
  padding: 32px 0;
  border-top: 1px solid #eee;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.9rem; color: #888;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 1rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .contact-text h2 { text-align: center; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.btn) { display: none; }
}