/* ============================================
   AI TechWire — Global Styles
   ============================================ */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --accent: #f0b429;
  --accent-dim: #c99a22;
  --accent-glow: rgba(240, 180, 41, 0.12);
  --text-primary: #f0f0f5;
  --text-secondary: #9999b0;
  --text-muted: #55556a;
  --border: #22223a;
  --ai-color: #7c6cf5;
  --finance-color: #38d9a9;
  --crypto-color: #f0b429;
  --realestate-color: #e86c5d;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 15px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---- HEADER ---- */
header {
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

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

nav { display: flex; gap: 4px; align-items: center; }

nav a {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s;
}

nav a:hover, nav a.active {
  color: var(--text-primary);
  background: var(--bg-card);
}

.nav-x-btn {
  margin-left: 12px;
  padding: 6px 16px;
  background: var(--text-primary);
  color: var(--bg-primary) !important;
  border-radius: 20px;
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s;
}

.nav-x-btn:hover { opacity: 0.85; background: var(--text-primary) !important; }

/* ---- TICKER ---- */
.ticker-wrap {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 8px 0;
}

.ticker {
  display: flex;
  gap: 40px;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
}

.ticker-item {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  display: flex;
  gap: 8px;
}

.ticker-item .up { color: #38d9a9; }
.ticker-item .down { color: #e86c5d; }

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---- HERO ---- */
.hero {
  max-width: 1200px;
  margin: 48px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
}

.hero-main {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s;
  position: relative;
}

.hero-main:hover { border-color: var(--accent); }

.hero-img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
}

.hero-content { padding: 24px; }

.category-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.badge-ai { background: rgba(124, 108, 245, 0.15); color: var(--ai-color); }
.badge-finance { background: rgba(56, 217, 169, 0.15); color: var(--finance-color); }
.badge-crypto { background: rgba(240, 180, 41, 0.15); color: var(--crypto-color); }
.badge-realestate { background: rgba(232, 108, 93, 0.15); color: var(--realestate-color); }

.hero-title {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.hero-excerpt { color: var(--text-secondary); font-size: 14px; margin-bottom: 16px; }

.hero-meta { color: var(--text-muted); font-size: 12px; display: flex; gap: 12px; }

.hero-sidebar { display: flex; flex-direction: column; gap: 16px; }

/* ---- SECTION HEADER ---- */
.section-header {
  max-width: 1200px;
  margin: 48px auto 20px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-line {
  width: 4px;
  height: 20px;
  border-radius: 2px;
}

.line-ai { background: var(--ai-color); }
.line-finance { background: var(--finance-color); }
.line-crypto { background: var(--crypto-color); }
.line-realestate { background: var(--realestate-color); }

.see-all {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s;
}

.see-all:hover { color: var(--accent); }

/* ---- CARDS GRID ---- */
.cards-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s;
}

.card:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.card-img-ai { background: linear-gradient(135deg, #1a1030 0%, #2d1b69 100%); }
.card-img-finance { background: linear-gradient(135deg, #0a2618 0%, #1a4d30 100%); }
.card-img-crypto { background: linear-gradient(135deg, #2a1a00 0%, #4d3800 100%); }
.card-img-realestate { background: linear-gradient(135deg, #2a0a0a 0%, #4d1a15 100%); }

.card-body { padding: 16px; }

.card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  margin: 8px 0;
  letter-spacing: -0.2px;
}

.card-excerpt {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  margin-top: 12px;
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* ---- SIDEBAR CARD ---- */
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: all 0.2s;
}

.sidebar-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.sidebar-card-num {
  font-size: 24px;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  min-width: 28px;
}

.sidebar-card-content {}
.sidebar-card-title { font-size: 14px; font-weight: 700; line-height: 1.4; margin-bottom: 6px; }
.sidebar-card-meta { font-size: 11px; color: var(--text-muted); }

/* ---- X PROMO STRIP ---- */
.x-promo {
  max-width: 1200px;
  margin: 48px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.x-promo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.2s;
}

.x-promo-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.x-promo-handle {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
}

.x-promo-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

.x-follow-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  width: fit-content;
  transition: opacity 0.2s;
}

.x-follow-btn:hover { opacity: 0.85; }

/* ---- NEWSLETTER ---- */
.newsletter {
  max-width: 1200px;
  margin: 0 auto 48px;
  padding: 0 24px;
}

.newsletter-inner {
  background: linear-gradient(135deg, var(--bg-card) 0%, #1a1a2e 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
}

.newsletter h2 { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.newsletter p { color: var(--text-secondary); margin-bottom: 24px; }

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 440px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.newsletter-form input:focus { border-color: var(--accent); }
.newsletter-form input::placeholder { color: var(--text-muted); }

.newsletter-form button {
  padding: 12px 24px;
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.newsletter-form button:hover { background: var(--accent-dim); }

/* ---- FOOTER ---- */
footer {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 40px 24px 24px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

.footer-col h4 { font-size: 13px; font-weight: 700; margin-bottom: 14px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: 13px; color: var(--text-secondary); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--accent); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-sidebar { display: none; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .x-promo { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  nav a:not(.nav-x-btn) { display: none; }
}

@media (max-width: 600px) {
  .cards-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; }
  .hero-title { font-size: 20px; }
}