/* index.css */
@import 'tokens.css';
@import 'animations.css';

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-secondary);
}

ul {
  list-style: none;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-xl) 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Header & Nav */
.header {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.video-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.logo img {
  height: 40px;
  width: auto;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.landing-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  max-width: 800px;
  width: 90%;
  opacity: 0;
  animation: fadeIn 1s var(--transition-slow) forwards;
}

.landing-content h1 {
  font-size: clamp(3rem, 5vw, 5rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.landing-content p.subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: var(--space-md);
}

.nav-list {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.nav-list a {
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-display);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.nav-list a:hover {
  background: var(--accent-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* Glass Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-md);
  box-shadow: var(--glass-shadow);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

.project-image {
  height: 250px;
  overflow: hidden;
  border-radius: 12px;
  margin-bottom: var(--space-sm);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-content h4 {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.project-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.portfolio-item {
  position: relative;
  height: 300px;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
  z-index: 1;
}

.portfolio-item::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 15, 17, 0.7);
  transition: background var(--transition-medium);
  z-index: 2;
}

.portfolio-item:hover::before {
  transform: scale(1.1);
}

.portfolio-item:hover::after {
  background: rgba(15, 15, 17, 0.4);
}

.portfolio-item a {
  position: relative;
  z-index: 3;
  font-family: var(--font-display);
  font-size: 2rem;
  color: #fff;
  font-weight: 800;
  text-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

/* Socials */
.social-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.social-list a {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  color: var(--text-primary);
  font-weight: 600;
}

.social-list a:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* Footer */
.footer {
  text-align: center;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
}

/* Legacy Writing Elements */
#center_element {
  text-align: center;
  margin-bottom: var(--space-md);
  margin-top: var(--space-sm);
  color: var(--accent-tertiary);
}

/* Print-style Drop Cap */
.drop-cap::first-letter {
  font-size: 3.5rem;
  font-weight: bold;
  color: var(--accent-primary);
  float: left;
  line-height: 0.8;
  padding-top: 4px;
  padding-right: 8px;
  padding-left: 2px;
}

/* Center images in writing articles */
.writing-inner img {
  display: block;
  margin: var(--space-md) auto;
  max-width: 100%;
}