/* ===== CSS Variables ===== */
:root {
  --primary: #FFFFFF;
  --secondary: #1A73E8;
  --bg-primary: #0C0F14;
  --bg-secondary: #15181E;
  --bg-card: #161920;
  --border: #303032;
  --text-muted: #8B8D92;
  --text-secondary: #B0B2B8;
  --font-sans: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.8;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(12, 15, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

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

.navbar .nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar .nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.navbar .nav-links a:hover {
  color: var(--primary);
}

.navbar .nav-links .btn-nav {
  background: var(--secondary);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background: radial-gradient(ellipse at 50% 0%, rgba(26, 115, 232, 0.08) 0%, transparent 60%),
              var(--bg-primary);
}

.hero-content {
  max-width: 720px;
}

.hero .badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--secondary);
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero .hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--secondary);
  color: #fff;
}

.btn-primary:hover {
  background: #1557b0;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(26, 115, 232, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.15);
}

/* ===== Features Section ===== */
.features {
  padding: 100px 24px;
  background: var(--bg-primary);
}

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

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 28px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--secondary);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(26, 115, 232, 0.08);
}

.feature-card .icon {
  width: 48px;
  height: 48px;
  background: rgba(26, 115, 232, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== Stats Section ===== */
.stats {
  padding: 80px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats .container {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item .stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -1px;
  margin-bottom: 4px;
}

.stat-item .stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== CTA Section ===== */
.cta {
  padding: 100px 24px;
  text-align: center;
}

.cta .container {
  max-width: 600px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  background: var(--bg-secondary);
}

.footer .container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer .footer-brand {
  font-size: 1.1rem;
  font-weight: 700;
}

.footer .footer-brand span {
  color: var(--secondary);
}

.footer .footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer .footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: color 0.2s ease;
}

.footer .footer-links a:hover {
  color: var(--primary);
}

.footer .copyright {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-in-delay-1 {
  animation-delay: 0.1s;
}

.animate-in-delay-2 {
  animation-delay: 0.2s;
}

.animate-in-delay-3 {
  animation-delay: 0.3s;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .hero p {
    font-size: 1rem;
  }

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

  .stats .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer .container {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .navbar .nav-links {
    gap: 20px;
  }

  .navbar .nav-links li:not(:last-child) {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }
}

/* ===== No Access Page ===== */
.no-access {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: radial-gradient(ellipse at 50% 30%, rgba(26, 115, 232, 0.06) 0%, transparent 60%),
              var(--bg-primary);
}

.no-access-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 56px 48px;
  text-align: center;
  max-width: 440px;
  width: 100%;
}

.no-access-icon {
  font-size: 3rem;
  margin-bottom: 24px;
}

.no-access-card h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.no-access-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.no-access-divider {
  width: 48px;
  height: 2px;
  background: var(--border);
  margin: 28px auto;
  border-radius: 1px;
}