/* ============================================
   CARITRENDS — Design System v1.0
   Theme: Navy + Coral
   ============================================ */

:root {
  /* Colors */
  --c-primary: #0F172A;
  --c-primary-light: #1E293B;
  --c-accent: #EF4444;
  --c-accent-dark: #DC2626;
  --c-accent-light: #FEE2E2;
  --c-bg: #FFFFFF;
  --c-bg-alt: #F8FAFC;
  --c-bg-soft: #F1F5F9;
  --c-text: #0F172A;
  --c-text-2: #334155;
  --c-text-3: #64748B;
  --c-text-4: #94A3B8;
  --c-border: #E2E8F0;
  --c-border-2: #CBD5E1;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Lora', Georgia, serif;

  /* Sizes */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-md: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: 3rem;

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 2.5rem;
  --sp-8: 3rem;

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-full: 9999px;

  /* Shadow */
  --sh-sm: 0 1px 3px rgba(15,23,42,0.06);
  --sh-md: 0 4px 12px rgba(15,23,42,0.08);
  --sh-lg: 0 10px 30px rgba(15,23,42,0.12);

  /* Transition */
  --tr: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
[data-theme="dark"] {
  --c-bg: #0A0A0A;
  --c-bg-alt: #141414;
  --c-bg-soft: #1F1F1F;
  --c-text: #F1F5F9;
  --c-text-2: #CBD5E1;
  --c-text-3: #94A3B8;
  --c-text-4: #64748B;
  --c-border: #262626;
  --c-border-2: #404040;
  --c-primary: #F1F5F9;
  --c-primary-light: #CBD5E1;
  --sh-sm: 0 1px 3px rgba(0,0,0,0.4);
  --sh-md: 0 4px 12px rgba(0,0,0,0.5);
  --sh-lg: 0 10px 30px rgba(0,0,0,0.6);
}

/* ─── Reset ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--tr), color var(--tr);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--tr); }
a:hover { color: var(--c-accent); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--c-accent); color: white; }

/* ─── Container ─── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--sp-5); }

/* ─── Reading Progress ─── */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px; width: 0%;
  background: var(--c-accent);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ============================================
   BREAKING BAR
   ============================================ */
.breaking-bar {
  background: var(--c-primary);
  color: white;
  font-size: var(--fs-xs);
  overflow: hidden;
  padding: var(--sp-2) 0;
}

.breaking-bar .container {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.breaking-label {
  background: var(--c-accent);
  color: white;
  padding: 3px 10px;
  border-radius: var(--r-sm);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse { 50% { opacity: 0.7; } }

.breaking-ticker {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
}

.breaking-ticker span {
  display: inline-block;
  animation: ticker 60s linear infinite;
  padding-left: 100%;
}

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

.breaking-ticker a {
  color: rgba(255,255,255,0.9);
  margin-right: var(--sp-6);
  font-weight: 500;
}

.breaking-ticker a:hover { color: var(--c-accent); }

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--c-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}

.header-main {
  padding: var(--sp-4) 0;
}

.header-main .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.logo {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: 0;
  line-height: 1;
}

.logo-mark {
  width: 6px;
  height: 26px;
  background: var(--c-accent);
  border-radius: 2px;
  margin-right: 8px;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-2);
  transition: all var(--tr);
  background: transparent;
}

.icon-btn:hover {
  background: var(--c-bg-soft);
  color: var(--c-accent);
}

.menu-btn { display: none; }

/* Nav */
.site-nav {
  border-top: 1px solid var(--c-border);
  background: var(--c-bg);
}

.site-nav .container {
  display: flex;
  gap: var(--sp-6);
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav .container::-webkit-scrollbar { display: none; }

.site-nav a {
  padding: var(--sp-4) 0;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-text-3);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all var(--tr);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.site-nav a:hover, .site-nav a.active {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: var(--sp-7) 0 var(--sp-5);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: var(--sp-5);
}

.hero-featured {
  position: relative;
  display: block;
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--c-bg-soft);
}

.hero-featured img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-featured:hover img { transform: scale(1.05); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(0,0,0,0.92) 0%,
    rgba(0,0,0,0.5) 45%,
    transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-6);
  color: white;
}

.hero-tag {
  display: inline-block;
  background: var(--c-accent);
  color: white;
  padding: 4px 12px;
  border-radius: var(--r-sm);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
  width: fit-content;
}

.hero-title {
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-3);
}

.hero-meta {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.75);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.hero-card {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-3);
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  transition: all var(--tr);
}

.hero-card:hover {
  background: var(--c-bg-soft);
  border-color: var(--c-border-2);
  transform: translateX(4px);
}

.hero-card-img {
  width: 100px;
  height: 100px;
  border-radius: var(--r-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--c-bg-soft);
}

.hero-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.hero-card-cat {
  font-size: 10px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.hero-card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-text);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-card-meta {
  font-size: 11px;
  color: var(--c-text-4);
  margin-top: var(--sp-2);
}

/* ============================================
   SECTION
   ============================================ */
.section {
  padding: var(--sp-6) 0;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--c-border);
}

.section-title {
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.section-title::before {
  content: '';
  width: 4px;
  height: 22px;
  background: var(--c-accent);
  border-radius: 2px;
}

.section-more {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--c-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-more:hover { color: var(--c-accent-dark); }

/* ============================================
   ARTICLE GRID
   ============================================ */
.layout-main {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--sp-6);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-lg);
  border-color: transparent;
}

.card-img-wrap {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--c-bg-soft);
}

.card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-card:hover .card-img-wrap img { transform: scale(1.08); }

.card-cat {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  background: var(--c-accent);
  color: white;
  padding: 3px 10px;
  border-radius: var(--r-sm);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card-body {
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--c-text);
  transition: color var(--tr);
}

.article-card:hover .card-title { color: var(--c-accent); }

.card-excerpt {
  font-size: var(--fs-sm);
  color: var(--c-text-3);
  line-height: 1.6;
  margin-bottom: var(--sp-3);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  font-size: 11px;
  color: var(--c-text-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--c-border);
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  position: sticky;
  top: 100px;
  align-self: start;
}

.widget {
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-4);
}

.widget-title {
  font-size: var(--fs-sm);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-text);
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--c-border);
}

.widget-title::before {
  content: '';
  width: 4px;
  height: 14px;
  background: var(--c-accent);
  border-radius: 2px;
}

.trending-list {
  list-style: none;
  counter-reset: trend;
}

.trending-list li {
  counter-increment: trend;
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--c-border);
}

.trending-list li:last-child { border-bottom: none; }

.trending-list li::before {
  content: counter(trend);
  font-size: 22px;
  font-weight: 900;
  color: var(--c-accent);
  line-height: 1;
  min-width: 26px;
  opacity: 0.9;
}

.trending-list a {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.trending-list a:hover { color: var(--c-accent); }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--c-primary);
  color: #CBD5E1;
  padding: var(--sp-8) 0 var(--sp-5);
  margin-top: var(--sp-8);
}

[data-theme="dark"] .site-footer {
  background: #050505;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
}

.footer-brand {
  font-size: 24px;
  font-weight: 900;
  color: white;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-3);
}

.footer-brand span { color: var(--c-accent); }

.footer-desc {
  font-size: var(--fs-sm);
  color: #94A3B8;
  line-height: 1.7;
  max-width: 300px;
}

.footer-col-title {
  font-size: var(--fs-xs);
  font-weight: 800;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-4);
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: var(--sp-2); }
.footer-links a {
  font-size: var(--fs-sm);
  color: #CBD5E1;
  transition: color var(--tr);
}
.footer-links a:hover { color: var(--c-accent); }

.footer-bottom {
  padding-top: var(--sp-5);
  border-top: 1px solid #1F2937;
  font-size: var(--fs-xs);
  color: #64748B;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-side {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-3);
  }
  .hero-card { flex-direction: column; }
  .hero-card-img { width: 100%; height: 140px; }
  .layout-main { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--sp-4); }

  .logo { font-size: 22px; }
  .logo-mark { height: 22px; }

  .menu-btn { display: flex; }

  .site-nav { display: none; }

  .hero { padding: var(--sp-5) 0 var(--sp-3); }
  .hero-overlay { padding: var(--sp-4); }
  .hero-title { font-size: 20px; }

  .hero-side { grid-template-columns: 1fr; }
  .hero-card { flex-direction: row; }
  .hero-card-img { width: 80px; height: 80px; }

  .article-grid { grid-template-columns: 1fr; gap: var(--sp-4); }

  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-5); }
  .footer-desc { max-width: 100%; }

  .footer-bottom { flex-direction: column; text-align: center; }

  .section-title { font-size: var(--fs-lg); }
}

/* ============================================
   UTILITY
   ============================================ */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-1 { margin-top: var(--sp-3); }
.mt-2 { margin-top: var(--sp-5); }
.mb-1 { margin-bottom: var(--sp-3); }
.mb-2 { margin-bottom: var(--sp-5); }

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--c-bg);
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  padding: var(--sp-5);
  overflow-y: auto;
}

.mobile-nav.open { transform: translateX(0); }

.mobile-nav-close {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  width: 42px;
  height: 42px;
  border-radius: var(--r-md);
  background: var(--c-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--c-text);
}

.mobile-nav ul {
  list-style: none;
  margin-top: 70px;
}

.mobile-nav ul li {
  border-bottom: 1px solid var(--c-border);
}

.mobile-nav ul a {
  display: block;
  padding: var(--sp-4) 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--c-text);
}