/* CyberPulse Design System - Premium Dark Mode & Cyber Aesthetics */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800&display=swap');

:root {
  --bg-dark: #070913;
  --bg-card: rgba(18, 22, 41, 0.65);
  --bg-card-hover: rgba(28, 34, 62, 0.85);
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #7f00ff;
  --accent-pink: #ff007f;
  --text-main: #f0f4fc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border-glow: rgba(0, 242, 254, 0.25);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-glow: 0 0 30px rgba(0, 242, 254, 0.15);
  --transition-fast: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% -20%, #1e1035 0%, #070913 60%);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Glassmorphism Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 1000;
  background: rgba(7, 9, 19, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-logo-img {
  width: 32px;
  height: 32px;
  max-width: 32px;
  max-height: 32px;
  flex-shrink: 0;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.4));
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.3s ease;
}

.nav-brand:hover .brand-logo-img {
  transform: scale(1.12) rotate(-6deg);
  filter: drop-shadow(0 0 16px rgba(0, 242, 254, 0.8));
}

.brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(79, 172, 254, 0.4);
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  text-shadow: 0 0 8px rgba(0, 242, 254, 0.5);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Selector Dropdown */
.lang-selector {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: var(--transition-fast);
}

.lang-selector:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
}

.lang-selector option {
  background: var(--bg-dark);
  color: var(--text-main);
}

/* Primary Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #070913;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 242, 254, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section {
  padding: 100px 0;
}

/* Footer Styling */
.footer {
  margin-top: auto;
  background: rgba(4, 6, 13, 0.95);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a:hover {
  color: var(--accent-cyan);
}

.paddle-notice-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 30px;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}