/* 
  Video Editing Portfolio - CSS Design System
  Theme: Cinematic Obsidian (Black & Red)
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Manrope:wght@700;800&display=swap');

:root {
  /* Colors */
  --bg-pure-black: #000000;
  --bg-surface: #131313;
  --bg-surface-low: #1b1b1b;
  --bg-surface-container: #1f1f1f;
  --bg-surface-highest: #353535;
  
  --primary-red: #ffb3ac;
  --primary-container: #d32f2f;
  
  --on-surface: #e2e2e2;
  --on-surface-variant: #e4beba;
  
  /* Glassmorphism */
  --glass-bg: rgba(31, 31, 31, 0.6);
  --glass-blur: blur(20px);
  --glass-border: rgba(91, 64, 61, 0.15);
  
  /* Typography */
  --font-headline: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-pure-black);
  color: var(--on-surface);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-headline);
  letter-spacing: -0.04em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* Base Layout Components */
.section-padding {
  padding: 8rem 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Glass Components */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
}

/* Button System */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 6px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-red), var(--primary-container));
  color: #410003;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(211, 47, 47, 0.4);
}

.btn-secondary {
  background: var(--bg-surface-highest);
  color: var(--on-surface);
  opacity: 0.8;
}

.btn-secondary:hover {
  opacity: 1;
  background: var(--bg-surface-container);
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

nav.scrolled {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
}

.logo {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-red);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

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

/* Cards */
.card {
  background: var(--bg-surface-low);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.card:hover {
  transform: scale(1.02);
  border-color: rgba(211, 47, 47, 0.4);
}

/* Utility */
.text-accent {
  color: var(--primary-red);
}