/* DukeCEO - Shared Styles */
/* TailwindCSS handles most styling; this file is for custom overrides */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #000000;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --accent: #ffffff;
  --border: #333333;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.site-header .inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px;
}
.site-header .logo img { height: 40px; }
.site-header nav { display: flex; align-items: center; gap: 32px; }
.site-header nav a {
  color: var(--text-secondary); text-decoration: none;
  font-size: 14px; font-weight: 500; letter-spacing: 0.5px;
  text-transform: uppercase; transition: color 0.2s;
}
.site-header nav a:hover { color: var(--text-primary); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-actions a { color: var(--text-secondary); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.header-actions a:hover { color: var(--text-primary); }
.btn-join {
  background: #fff; color: #000 !important;
  padding: 8px 20px; border-radius: 4px;
  font-weight: 600; font-size: 13px;
  text-transform: uppercase; letter-spacing: 0.5px;
  transition: opacity 0.2s;
}
.btn-join:hover { opacity: 0.85; }
.cart-icon { font-size: 18px; cursor: pointer; }

/* Mobile menu */
.mobile-toggle { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }
@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .site-header nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #000; flex-direction: column; padding: 20px; gap: 16px; border-bottom: 1px solid var(--border); }
  .site-header nav.open { display: flex; }
  .header-actions .login-link { display: none; }
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 24px 30px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 40px;
}
.footer-logo img { height: 50px; margin-bottom: 16px; }
.footer-contact { color: var(--text-secondary); font-size: 14px; }
.footer-contact a { color: var(--text-secondary); text-decoration: none; }
.footer-contact a:hover { color: var(--text-primary); }
.footer-social { display: flex; gap: 20px; margin-top: 16px; }
.footer-social a { color: var(--text-secondary); text-decoration: none; font-size: 20px; transition: color 0.2s; }
.footer-social a:hover { color: var(--text-primary); }
.footer-bottom {
  max-width: 1200px; margin: 40px auto 0;
  padding-top: 20px; border-top: 1px solid var(--border);
  text-align: center; color: var(--text-secondary); font-size: 12px;
}

/* Hero */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(0,0,0,0.5);
}
.hero-content {
  position: relative; z-index: 1;
  text-align: center; padding: 24px; max-width: 800px;
}

/* Section */
.section { padding: 80px 24px; max-width: 1200px; margin: 0 auto; }
.section-title {
  font-size: 36px; font-weight: 700;
  margin-bottom: 32px; letter-spacing: -0.5px;
}

/* Cards grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-card); border-radius: 8px;
  overflow: hidden; transition: transform 0.2s;
}
.card:hover { transform: translateY(-4px); }
.card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.card-body { padding: 16px; }
.card-date { color: var(--text-secondary); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.card-title { font-size: 16px; font-weight: 600; }
.card a { text-decoration: none; color: inherit; }

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 32px;
}
.product-card { text-align: center; }
.product-card img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; margin-bottom: 16px; }
.product-name { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.product-price { color: var(--text-secondary); font-size: 14px; }

/* Form */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px;
  background: transparent; border: 1px solid var(--border);
  color: #fff; font-size: 15px; font-family: inherit;
  border-radius: 4px; transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: #fff;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select option { background: #000; }
.btn-submit {
  background: #fff; color: #000;
  padding: 14px 40px; border: none;
  font-size: 14px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px;
  cursor: pointer; border-radius: 4px;
  transition: opacity 0.2s;
}
.btn-submit:hover { opacity: 0.85; }

/* Article */
.article-header { padding: 120px 24px 40px; max-width: 800px; margin: 0 auto; text-align: center; }
.article-header h1 { font-size: 42px; font-weight: 700; margin-bottom: 16px; }
.article-meta { color: var(--text-secondary); font-size: 14px; }
.article-body { max-width: 800px; margin: 0 auto; padding: 0 24px 80px; }
.article-body p { margin-bottom: 20px; color: #ddd; font-size: 16px; line-height: 1.8; }
.article-body h2 { font-size: 24px; font-weight: 600; margin: 40px 0 16px; }
.article-body h3 { font-size: 20px; font-weight: 600; margin: 32px 0 12px; }
.article-body img { width: 100%; border-radius: 8px; margin: 24px 0; }
.article-body ul { margin: 0 0 20px 24px; color: #ddd; }
.article-body li { margin-bottom: 8px; }

/* Page hero banner */
.page-hero {
  padding: 140px 24px 60px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: 48px; font-weight: 700; letter-spacing: -1px; }

/* Join page */
.join-hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background-size: cover; background-position: center;
}
.join-hero::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(0,0,0,0.7);
}
.join-form-container {
  position: relative; z-index: 1;
  width: 100%; max-width: 600px; padding: 24px;
}

/* Xscent page */
.winners-grid { display: grid; gap: 24px; margin-top: 32px; }
.winner-card {
  background: var(--bg-card); border-radius: 8px;
  padding: 24px; border-left: 4px solid #fff;
}
.winner-place { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary); margin-bottom: 8px; }
.winner-team { font-size: 20px; font-weight: 600; margin-bottom: 4px; }
.winner-prize { color: var(--text-secondary); font-size: 14px; }
.winner-link { color: var(--text-secondary); font-size: 13px; }
.winner-link a { color: #88f; text-decoration: none; }

/* Utility */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.mt-header { margin-top: 70px; }
.text-center { text-align: center; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }

/* Responsive about grid */
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr !important; }
  .page-hero h1 { font-size: 32px; }
  .section-title { font-size: 28px; }
  .hero-content h1 { font-size: 32px !important; }
  .join-form-container h1 { font-size: 28px !important; }
}