:root {
  --bg-main: #0b0d17;
  --bg-card: rgba(23, 27, 44, 0.7);
  --bg-card-hover: rgba(35, 41, 66, 0.85);
  --primary: #e50914;
  --primary-gradient: linear-gradient(135deg, #ff0055 0%, #e50914 50%, #990000 100%);
  --accent-cyan: #00f2fe;
  --text-white: #ffffff;
  --text-gray: #a0a5ba;
  --border-glow: rgba(255, 0, 85, 0.25);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-white);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: 80px;
}

/* Header & Navigation */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(11, 13, 23, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 1px;
}

.logo span {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-gray);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-white);
  text-shadow: 0 0 12px rgba(255, 0, 85, 0.6);
}

.btn-primary {
  background: var(--primary-gradient);
  color: #fff;
  padding: 0.75rem 1.8rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(229, 9, 20, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: inline-block;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(229, 9, 20, 0.7);
}

/* Page Containers & Cards */
.section-container {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 2rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1rem;
  line-height: 1.2;
  background: linear-gradient(180deg, #ffffff 0%, #a0a5ba 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  padding: 2rem;
  transition: all 0.3s ease;
}

.glass-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Grid & Utilities */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

/* Footer */
.footer {
  background: rgba(5, 7, 12, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4rem 2rem 2rem;
  margin-top: 5rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.5rem;
}

.footer-grid h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-white);
}

.footer-grid p, .footer-grid a {
  color: var(--text-gray);
  font-size: 0.9rem;
  text-decoration: none;
  line-height: 1.8;
}

.footer-grid a:hover {
  color: var(--text-white);
}

.footer-bottom {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-gray);
  font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* Can be toggled in JS if needed */
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .section-container {
    padding: 0 1.2rem;
    margin: 2rem auto;
  }
  .nav-container {
    padding: 1rem;
  }
}