/* ============================================================
   layout-d/style.css — gameonehk-inspired: Promotional Casino
   白色 Header + 公告 Ticker + 強促銷 Hero + 彩色頂框卡片
   Works with hero-a HTML structure
   ============================================================ */

/* ── Header: white + thick accent bottom ────────────── */
.site-header {
  background: var(--clr-bg);
  border-bottom: 3px solid var(--clr-accent);
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.header-inner { height: 64px; }
.header-logo {
  color: var(--clr-text);
  font-size: 20px;
  letter-spacing: .02em;
}
.nav-link { color: var(--clr-text-muted); }
.nav-link:hover { color: var(--clr-accent); border-color: var(--clr-accent); }
.nav-link.active { color: var(--clr-accent); border-color: var(--clr-border); }

/* ── HERO: Full-bleed Promotional ───────────────────── */
.hero-a {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  background: var(--clr-bg-dark);
}
@media (min-width: 900px) { .hero-a { min-height: 600px; } }

.hero-a-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 25%;
  background-image: url('https://images.unsplash.com/photo-1511882150382-421056c89033?auto=format&fit=crop&w=1600&h=900&q=80');
  transition: transform 10s ease;
}
.hero-a:hover .hero-a-bg { transform: scale(1.04); }

.hero-a-overlay {
  position: absolute;
  inset: 0;
  background: var(--clr-hero-overlay);
  z-index: 1;
}
.hero-a-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-12) var(--space-5) var(--space-16);
}
.hero-a-content .tag {
  margin-bottom: var(--space-4);
  font-size: 12px;
  letter-spacing: .1em;
  border-radius: var(--radius-xs);
}
.hero-a-title {
  font-family: var(--font-heading);
  font-size: clamp(36px, 6vw, 70px);
  font-weight: 900;
  color: #fff;
  line-height: 1.06;
  letter-spacing: -.025em;
  margin-bottom: var(--space-4);
  max-width: 700px;
  text-shadow: 0 2px 16px rgba(0,0,0,.35);
}
.hero-a-excerpt {
  font-size: 17px;
  color: rgba(255,255,255,.90);
  max-width: 520px;
  margin-bottom: var(--space-8);
  line-height: 1.65;
}
.hero-a-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: rgba(255,255,255,.75);
  font-size: 13px;
  flex-wrap: wrap;
}
.hero-a-meta .author-name { color: #fff; font-weight: 700; }
.hero-a-meta .btn { font-size: 15px; padding: 12px 32px; }

/* ── Trending Bar → Promotional Category Ticker ──────── */
.trending-bar {
  background: var(--clr-bg-dark2);
  border-bottom: none;
  border-top: 1px solid var(--clr-border-dark);
  padding: var(--space-3) 0;
}
.trending-bar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-5);
  overflow-x: auto;
  scrollbar-width: none;
}
.trending-bar-inner::-webkit-scrollbar { display: none; }
.trending-label {
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--clr-accent);
  flex-shrink: 0;
  padding-right: var(--space-3);
  border-right: 1px solid rgba(255,255,255,.15);
}
.trending-tags { display: flex; gap: var(--space-2); flex-shrink: 0; }
.trending-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: var(--radius-xs);
  font-size: 12px;
  font-weight: 700;
  background: transparent;
  color: rgba(255,255,255,.80);
  border: 1px solid rgba(255,255,255,.15);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.trending-tag:hover {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}

/* ── Promo Cards Section ─────────────────────────────── */
.featured-section {
  padding: var(--space-10) 0;
  background: var(--clr-bg-alt);
}
.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 900px) {
  .featured-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
  .featured-grid .card:first-child .card-img { aspect-ratio: 16/9; }
  .featured-grid .card:first-child .card-title { font-size: inherit; }
}

/* Promo card: colored top border per slot */
.card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-top: 4px solid var(--clr-accent);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--clr-shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--clr-shadow-md); transform: translateY(-4px); }

/* Each card in a 4-col grid gets a different tag color top */
.featured-grid .card:nth-child(4n+1) { border-top-color: var(--clr-tag-1); }
.featured-grid .card:nth-child(4n+2) { border-top-color: var(--clr-tag-2); }
.featured-grid .card:nth-child(4n+3) { border-top-color: var(--clr-tag-3); }
.featured-grid .card:nth-child(4n+4) { border-top-color: var(--clr-tag-4); }

.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--clr-bg-alt); }
.card-body { padding: var(--space-4) var(--space-4) var(--space-5); }
.card-meta {
  display: flex; align-items: center;
  gap: var(--space-2); margin-bottom: var(--space-3);
}
.card-title {
  font-size: 16px;
  font-weight: 900;
  font-family: var(--font-heading);
  line-height: 1.3;
  color: var(--clr-text);
  margin-bottom: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-title:hover { color: var(--clr-accent); }
.card-excerpt {
  font-size: 13px; color: var(--clr-text-muted); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  margin-bottom: var(--space-3);
}
.card-footer {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--clr-text-muted);
  border-top: 1px solid var(--clr-border);
  padding-top: var(--space-3); margin-top: var(--space-3);
}

/* ── Main + Sidebar Layout ───────────────────────────── */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding: var(--space-10) 0;
}
@media (min-width: 900px) {
  .content-with-sidebar { grid-template-columns: 1fr 300px; }
}

/* ── Sidebar Widget ──────────────────────────────────── */
.sidebar-widget {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-top: 3px solid var(--clr-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}
.sidebar-widget-title {
  font-size: 11px; font-weight: 900;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--clr-accent);
  padding-bottom: var(--space-3); margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--clr-border);
}

/* ── List Article Row ────────────────────────────────── */
.article-row {
  display: flex; gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--clr-border);
}
.article-row:last-child { border-bottom: none; }
.article-row-img {
  width: 90px; height: 68px;
  border-radius: var(--radius-xs); object-fit: cover;
  background: var(--clr-bg-alt); flex-shrink: 0;
}
.article-row-title {
  font-size: 14px; font-weight: 700; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  margin-bottom: var(--space-1);
}
.article-row-title:hover { color: var(--clr-accent); }
.article-row-date { font-size: 12px; color: var(--clr-text-muted); }

/* ── Rank List ───────────────────────────────────────── */
.rank-item {
  display: flex; gap: var(--space-3); align-items: flex-start;
  padding: var(--space-4) 0; border-bottom: 1px solid var(--clr-border);
}
.rank-item:last-child { border-bottom: none; }
.rank-number {
  font-family: var(--font-heading); font-size: 36px; font-weight: 900;
  color: var(--clr-border); line-height: 1; flex-shrink: 0; width: 36px; text-align: right;
}
.rank-item:first-child .rank-number { color: var(--clr-accent); }
.rank-title {
  font-size: 15px; font-weight: 700; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.rank-title:hover { color: var(--clr-accent); }
.rank-meta { font-size: 12px; color: var(--clr-text-muted); margin-top: var(--space-1); }

/* ── CTA Banner: Promotional full-width ──────────────── */
.cta-banner {
  background: var(--clr-bg-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  margin: var(--space-12) 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 50%, var(--clr-accent-glow) 0%, transparent 68%);
}
.cta-banner h2 {
  position: relative;
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 900;
  color: var(--clr-text-inv);
  margin-bottom: var(--space-4);
  letter-spacing: -.02em;
}
.cta-banner p {
  position: relative;
  font-size: 16px;
  color: var(--clr-text-inv-muted);
  margin-bottom: var(--space-6);
  max-width: 520px;
  margin-left: auto; margin-right: auto;
}

/* ── Article Page ────────────────────────────────────── */
.article-page { padding: var(--space-10) 0 var(--space-16); }
.article-header { margin-bottom: var(--space-8); }
.article-hero-img {
  width: 100%; aspect-ratio: 16/7; object-fit: cover;
  border-radius: var(--radius-sm);
  border-top: 4px solid var(--clr-accent);
  margin-bottom: var(--space-8); background: var(--clr-bg-alt);
}
.article-h1 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900; line-height: 1.1;
  letter-spacing: -.02em;
  margin: var(--space-4) 0 var(--space-5);
}
.article-layout-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--space-10);
}
@media (min-width: 900px) {
  .article-layout-grid { grid-template-columns: 1fr 280px; }
}