@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

:root {
  /* Colors */
  --color-bg: #0a0a0a;
  --color-bg-light: #161616;
  --color-text: #e0e0e0;
  --color-text-muted: #a0a0a0;
  --color-primary: #00F0FF;
  /* Electric Blue */
  --color-secondary: #39FF14;
  /* Lime Green */
  --color-accent: #FF0055;
  /* Hot Pink for variance */

  /* Gradients */
  --gradient-main: linear-gradient(135deg, var(--color-primary), #00aaff);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));

  /* Spacing */
  --space-xs: 0.5rem;
  --space-s: 1rem;
  --space-m: 2rem;
  --space-l: 4rem;
  --space-xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;

  /* Shadows/Glows */
  --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
  --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  /* Borders */
  --radius-s: 8px;
  --radius-m: 16px;
  --radius-l: 24px;
}

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

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-s);
}

.flex {
  display: flex;
  gap: var(--space-s);
}

.grid {
  display: grid;
  gap: var(--space-s);
}

.center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.glass {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-card);
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  border: none;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
  background: var(--gradient-main);
  color: #000;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
}

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

.btn-outline:hover {
  background: rgba(0, 240, 255, 0.1);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--space-l);
  text-align: center;
}

.section-title span {
  color: var(--color-primary);
}

/* Header */
header {
  height: var(--header-height);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav {
  height: 100%;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -1px;
}

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

.nav-links {
  display: flex;
  gap: var(--space-m);
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text-muted);
}

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

/* Footer */
footer {
  background: var(--color-bg-light);
  padding: var(--space-l) 0;
  margin-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-l);
}

.footer-col h4 {
  margin-bottom: var(--space-s);
  color: var(--color-primary);
}

.footer-col a {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-text-muted);
}

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

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate {
  animation: fadeInUp 0.8s ease forwards;
}

/* Mobile Optimization */
@media (max-width: 768px) {
  :root {
    --space-l: 2rem;
    --space-xl: 4rem;
  }

  .nav {
    flex-direction: column;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  .nav-links {
    margin-top: 1rem;
    gap: 1rem;
    font-size: 0.9rem;
  }

  header {
    height: auto;
    position: relative;
    /* Unstick header on mobile to save screen space or stick it? simpler to unstick for now or keep proper fixed height */
  }

  .hero {
    padding-top: 2rem;
    height: auto;
    min-height: 100vh;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .header-extra {
    display: none;
    /* Hide top right extra info on mobile to save space */
  }

  .split-layout {
    grid-template-columns: 1fr;
  }
}