/* ========================================================================
   HOMEPAGE — Hero, Ticker, Grid, Category Rows, Trending
   ======================================================================== */

/* ---- Breaking-news ticker -------------------------------------------- */

.ticker {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--sp-sm) 0;
  overflow: hidden;
  white-space: nowrap;
}

.ticker__label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  padding: 0.2em 0.7em;
  margin-right: var(--sp-md);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(0, 255, 136, 0.1);
  color: var(--color-success);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.ticker__label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-dot 1.5s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.ticker__track {
  display: inline-flex;
  gap: var(--sp-2xl);
  animation: ticker-scroll 30s linear infinite;
}

.ticker__track:hover {
  animation-play-state: paused;
}

.ticker__item {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.ticker__item a {
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease);
}

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

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

/* ---- Hero section ---------------------------------------------------- */

.hero {
  position: relative;
  width: 100%;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: var(--sp-2xl);
}

@media (min-width: 768px) {
  .hero {
    min-height: 520px;
  }
}

.hero__image {
  position: absolute;
  inset: 0;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__image .technews-thumb-placeholder {
  width: 100%;
  height: 100%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 15, 0.95) 0%,
    rgba(10, 10, 15, 0.4) 50%,
    transparent 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: var(--sp-xl) var(--sp-lg);
  max-width: 720px;
}

@media (min-width: 768px) {
  .hero__content {
    padding: var(--sp-2xl) var(--sp-xl);
  }
}

.hero__badge {
  margin-bottom: var(--sp-sm);
}

.hero__title {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--sp-sm);
}

.hero__title a {
  color: #fff;
  text-decoration: none;
}

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

.hero__excerpt {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--sp-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero__meta {
  color: rgba(255, 255, 255, 0.5);
}

.hero__meta .meta__author-avatar {
  border: 2px solid rgba(255, 255, 255, 0.2);
}

/* ---- Primary grid ---------------------------------------------------- */

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

@media (min-width: 768px) {
  .primary-grid {
    grid-template-columns: 1.3fr 1fr;
  }
}

.primary-grid__main .post-card__thumb {
  aspect-ratio: 16/10;
}

.primary-grid__main .post-card__title {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.primary-grid__side {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
}

/* ---- Category row ---------------------------------------------------- */

.category-row {
  margin-bottom: var(--sp-2xl);
}

.category-row__scroll {
  display: flex;
  gap: var(--sp-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--sp-sm);
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.category-row__scroll::-webkit-scrollbar {
  height: 4px;
}

.category-row__scroll::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.category-row__scroll .post-card {
  min-width: 280px;
  max-width: 300px;
  scroll-snap-align: start;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .category-row__scroll .post-card {
    min-width: 260px;
    flex: 1;
  }
}

/* ---- Trending section ------------------------------------------------ */

.trending {
  margin-bottom: var(--sp-2xl);
}

.trending__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.trending__item {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--duration-fast) var(--ease);
}

.trending__item:hover {
  border-color: var(--color-accent);
  transform: translateX(4px);
}

.trending__rank {
  font-family: var(--font-headline);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  min-width: 48px;
  text-align: center;
  flex-shrink: 0;
  user-select: none;
}

.trending__item:hover .trending__rank {
  color: rgba(var(--color-accent-rgb), 0.2);
}

.trending__body {
  flex: 1;
  min-width: 0;
}

.trending__title {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: var(--sp-xs);
}

.trending__title a {
  color: var(--color-text);
}

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

.trending__thumb {
  width: 100px;
  height: 68px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  display: none;
}

@media (min-width: 640px) {
  .trending__thumb {
    display: block;
  }
}

.trending__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- Homepage layout ------------------------------------------------- */

.homepage-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2xl);
}

@media (min-width: 1024px) {
  .homepage-layout {
    grid-template-columns: 1fr 320px;
  }
}