/* global.css - GenZ Premium Tech Overhaul */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { 
  background: var(--border-color); 
  border-radius: 10px; 
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

/* Links */
a { 
  color: var(--accent-yellow); 
  text-decoration: none; 
  transition: var(--transition-smooth); 
}
a:hover { color: #fff; text-shadow: 0 0 8px rgba(255,255,255,0.4); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* Typography */
h1, h2, h3, h4, h5, h6 { 
  font-family: var(--font-heading);
  line-height: 1.2; 
  font-weight: 700; 
  color: var(--text-primary); 
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 800; letter-spacing: -0.04em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.25rem; }
p { color: var(--text-secondary); margin-bottom: 1.2rem; }

/* Layout Utilities */
.container, .hero-inner, .page-wrapper, .section-inner, .footer-inner { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 24px; 
}

/* Page Header System */
.page-header {
  padding: 60px 0;
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
}
.page-header-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}
.page-header h1 {
  margin-bottom: 1rem;
}
.page-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.section { padding: 48px 0; }
section + section { padding-top: 24px; }
.section-sm { padding: 32px 0; }
.section-alt { background: var(--bg-secondary); }
.hero { padding: 40px 24px 60px; position: relative; overflow: hidden; background: var(--gradient-hero); }

/* Text Utilities */
.text-yellow { color: var(--accent-yellow) !important; }
.text-green { color: var(--accent-green) !important; }
.text-red { color: var(--accent-red) !important; }
.text-blue { color: var(--accent-blue) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-center { text-align: center; }
.full-width { width: 100%; }

/* Spacing */
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* Grids */
.flex { display: flex; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .container, .hero-inner, .page-wrapper, .section-inner, .footer-inner, .page-header-inner { 
    padding: 0 16px; 
  }
  .section { padding: 32px 0; }
  .page-header { padding: 40px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 20px !important; }
}

main { padding-top: var(--navbar-height); }