/* ============================================================
   Blog — list & article detail
   ============================================================ */

.blog-page {
  /* Solid navbar always */
}

.blog-page .c-navbar {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-strong);
}
[data-theme="dark"] .blog-page .c-navbar {
  background: rgba(11, 11, 18, 0.92);
  border-bottom-color: rgba(255,255,255,0.08);
  color: var(--white);
}

/* === Page shell ========================================= */
.c-blog {
  padding-top: calc(var(--navbar-h) + var(--s-12));
  padding-bottom: var(--s-20);
  background: var(--color-bg);
}

@media (max-width: 1024px) {
  .c-blog {
    padding-top: calc(var(--navbar-h-mobile) + var(--s-8));
    padding-bottom: var(--s-12);
  }
}

.c-blog__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-4);
  margin-bottom: var(--s-8);
  flex-wrap: wrap;
}

.c-blog__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: var(--ls-tight);
  color: var(--color-text-strong);
}

/* Sort dropdown */
.c-sort {
  position: relative;
}

.c-sort__trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  height: 40px;
  padding: 0 var(--s-4);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg-elevated);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-strong);
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease-out);
}
.c-sort__trigger:hover { border-color: var(--brand-black); }

.c-sort__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 240px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 50;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity var(--t-fast) var(--ease-out),
              transform var(--t-fast) var(--ease-out);
}
.c-sort__menu.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.c-sort__option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--color-text);
  background: transparent;
  text-align: left;
  transition: background var(--t-fast) var(--ease-out),
              color var(--t-fast) var(--ease-out);
}
.c-sort__option:hover { background: var(--gray-50); color: var(--color-text-strong); }
.c-sort__option[aria-current="true"] {
  color: var(--color-text-strong);
  font-weight: 600;
}
.c-sort__option[aria-current="true"]::after {
  content: "";
  width: 14px;
  height: 14px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23131319' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / contain no-repeat;
}

/* === Category filter row =============================== */
.c-blog__filters {
  display: flex;
  gap: var(--s-2);
  flex-wrap: wrap;
  margin-bottom: var(--s-10);
}

@media (max-width: 640px) {
  .c-blog__filters { margin-bottom: var(--s-6); }
}

/* === Article grid ====================================== */
.c-blog__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-6);
}

@media (max-width: 1280px) { .c-blog__grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 1024px) { .c-blog__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .c-blog__grid { grid-template-columns: 1fr; gap: var(--s-4); } }

.c-blog__card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

/* Pagination */
.c-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  margin-top: var(--s-12);
}

.c-pagination__btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg-elevated);
  color: var(--color-text-strong);
  font-weight: 600;
  font-size: var(--fs-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out),
              color var(--t-fast) var(--ease-out);
}
.c-pagination__btn:hover:not([disabled]) { border-color: var(--brand-black); }
.c-pagination__btn[aria-current="true"] {
  background: var(--brand-black);
  border-color: var(--brand-black);
  color: var(--white);
}
.c-pagination__btn[disabled] { opacity: 0.4; cursor: not-allowed; }

/* === Empty state ======================================= */
.c-blog__empty {
  padding: var(--s-12) var(--s-4);
  text-align: center;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  color: var(--color-text-muted);
}

/* ============================================================
   Article detail (blog-article.html)
   ============================================================ */
.c-article {
  padding-top: calc(var(--navbar-h));
  padding-bottom: var(--s-20);
  background: var(--color-bg);
}

@media (max-width: 1024px) {
  .c-article { padding-top: var(--navbar-h-mobile); padding-bottom: var(--s-12); }
}

.c-article__hero {
  width: 100%;
  aspect-ratio: 21 / 9;
  max-height: 560px;
  overflow: hidden;
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  margin-bottom: var(--s-12);
}

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

@media (max-width: 640px) {
  .c-article__hero {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-md);
    margin-bottom: var(--s-6);
  }
}

.c-article__body {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}

.c-article__crumbs {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--s-3);
}
.c-article__crumbs a {
  color: inherit;
  transition: color var(--t-fast) var(--ease-out);
}
.c-article__crumbs a:hover { color: var(--color-text-strong); }
.c-article__crumbs span { color: var(--color-text-muted); }

.c-article__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: var(--ls-tight);
  color: var(--color-text-strong);
  text-wrap: balance;
}

.c-article__meta {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.c-article__meta-author {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
}

.c-article__meta-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #494950, #292D32);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.c-article__meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.4;
}

.c-article__lede {
  font-size: var(--fs-lg);
  line-height: 1.55;
  color: var(--color-text);
  font-weight: 500;
  margin-top: var(--s-3);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--color-border);
}

.c-article__h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.2;
  color: var(--color-text-strong);
  letter-spacing: var(--ls-tight);
  margin-top: var(--s-5);
}

.c-article__p {
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text);
}

.c-article__list {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  padding-left: 0;
  list-style: none;
}
.c-article__list li {
  position: relative;
  padding-left: var(--s-6);
  line-height: 1.6;
  color: var(--color-text);
}
.c-article__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 2px;
  background: var(--brand-red);
}

.c-article__cta {
  margin-top: var(--s-6);
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
}

/* Gallery */
.c-article__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
  margin-top: var(--s-6);
}
@media (max-width: 640px) { .c-article__gallery { grid-template-columns: repeat(2, 1fr); } }

.c-article__gallery-tile {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--gray-50);
}
.c-article__gallery-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease-out);
}
.c-article__gallery-tile:hover img { transform: scale(1.04); }

/* Related stories */
.c-article__related {
  margin-top: var(--s-20);
  padding-top: var(--s-12);
  border-top: 1px solid var(--color-border);
}

.c-article__related-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 2.6vw, 30px);
  letter-spacing: var(--ls-tight);
  color: var(--color-text-strong);
  margin-bottom: var(--s-6);
}

.c-article__related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
@media (max-width: 1024px) { .c-article__related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .c-article__related-grid { grid-template-columns: 1fr; } }