/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: #0a0a0f;
  color: #e4e6ed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== Navigation ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #e4e6ed;
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a {
  color: #8b8fa3;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: #e4e6ed; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, #60a5fa, #7c3aed);
  color: #fff;
  box-shadow: 0 4px 20px rgba(96, 165, 250, 0.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(96, 165, 250, 0.4);
}
.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: #e4e6ed;
  border: 1px solid rgba(255,255,255,0.12);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-1px);
}

/* ===== Hero ===== */
.hero {
  padding: 160px 24px 100px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(96, 165, 250, 0.1);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.2);
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #f0f4ff 0%, #60a5fa 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 19px;
  color: #8b8fa3;
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.hero-stat-value { font-size: 28px; font-weight: 700; }
.hero-stat-label { font-size: 13px; color: #8b8fa3; margin-top: 4px; }

/* ===== Sections ===== */
.section {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.section-label {
  font-size: 13px;
  font-weight: 600;
  color: #60a5fa;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.section h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}
.section > p {
  color: #8b8fa3;
  font-size: 17px;
  max-width: 600px;
  margin-bottom: 48px;
}

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.25s;
}
.feature-card:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(96, 165, 250, 0.2);
  transform: translateY(-2px);
}
.feature-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { color: #8b8fa3; font-size: 14px; line-height: 1.6; }

/* ===== How It Works ===== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step {
  text-align: center;
  padding: 32px 20px;
}
.step-number {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.15), rgba(124, 58, 237, 0.15));
  border: 1px solid rgba(96, 165, 250, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 18px;
  font-weight: 700;
  color: #60a5fa;
}
.step h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.step p { color: #8b8fa3; font-size: 14px; line-height: 1.6; }

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.plan-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 28px 20px;
  position: relative;
}
.plan-card.featured {
  border-color: rgba(96, 165, 250, 0.3);
  background: rgba(96, 165, 250, 0.05);
}
.plan-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #60a5fa, #7c3aed);
  color: #fff;
  padding: 3px 14px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.plan-name { font-size: 14px; font-weight: 600; color: #8b8fa3; margin-bottom: 8px; }
.plan-price { font-size: 36px; font-weight: 800; margin-bottom: 4px; }
.plan-price span { font-size: 14px; font-weight: 500; color: #8b8fa3; }
.plan-desc { font-size: 13px; color: #8b8fa3; margin-bottom: 20px; }
.plan-features { list-style: none; margin-bottom: 24px; }
.plan-features li {
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: #c4c8d4;
}
.plan-features li::before { content: '\2713'; color: #34d399; margin-right: 8px; }

/* ===== CTA ===== */
.cta-section {
  text-align: center;
  padding: 100px 24px;
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.05), rgba(124, 58, 237, 0.05));
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.cta-section h2 { font-size: 36px; font-weight: 700; margin-bottom: 12px; }
.cta-section p { color: #8b8fa3; font-size: 17px; margin-bottom: 32px; }
.cta-form {
  display: flex;
  gap: 8px;
  max-width: 440px;
  margin: 0 auto;
}
.cta-form input {
  flex: 1;
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: #e4e6ed;
  font-size: 15px;
  outline: none;
}
.cta-form input:focus { border-color: #60a5fa; }
.cta-form input::placeholder { color: #5c6070; }
.cta-note { color: #5c6070; font-size: 13px; margin-top: 12px; }

/* ===== Footer ===== */
footer {
  padding: 48px 24px;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #5c6070;
  font-size: 13px;
}
footer a { color: #8b8fa3; text-decoration: none; }
footer a:hover { color: #e4e6ed; }
.footer-links { display: flex; gap: 24px; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: 100%;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(16px);
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 18px; }
  .hero h1 { font-size: 32px; }
  .features-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .cta-form { flex-direction: column; }
  footer { flex-direction: column; gap: 12px; text-align: center; }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero, .section, .cta-section { animation: fadeInUp 0.6s ease-out; }