/* =================================================================
   blog.css — Styles for blog section, cards, modal
   Design consistent with the main site (Inter font, indigo palette)
   ================================================================= */

/* ── Section ──────────────────────────────────────────────────── */
.blog-section {
  padding: var(--section-padding, 100px 0);
  background: var(--color-bg, #0f1117);
  position: relative;
}

.section__desc {
  max-width: 640px;
  margin: 12px auto 0;
  color: var(--color-text-muted, #8b95a8);
  font-size: 1rem;
  line-height: 1.7;
  text-align: center;
}

/* ── Skeleton loading ─────────────────────────────────────────── */
.blog-grid-loading {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.blog-skeleton {
  height: 360px;
  border-radius: 16px;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.04) 25%,
    rgba(255,255,255,0.08) 50%,
    rgba(255,255,255,0.04) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
}

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Blog Filter ──────────────────────────────────────────────── */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 32px;
  margin-bottom: 24px;
}

.blog-filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-muted, #8b95a8);
  font-family: var(--font-base);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.blog-filter-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.blog-filter-btn.active {
  background: var(--color-primary-light, #4ecdc4);
  border-color: var(--color-primary-light, #4ecdc4);
  color: var(--color-bg, #0f1117);
  font-weight: 600;
}

/* ── Blog Tags (on cards) ─────────────────────────────────────── */
.blog-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.blog-tag {
  background: rgba(78, 205, 196, 0.1);
  color: var(--color-primary-light, #4ecdc4);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Blog Grid ────────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

/* ── Blog Card ────────────────────────────────────────────────── */
.blog-card {
  background: var(--color-bg-secondary, #161b27);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
  outline: none;
}

.blog-card:hover,
.blog-card:focus-visible {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(78,205,196,0.35);
  border-color: rgba(78,205,196,0.4);
}

/* Image wrapper */
.blog-card__img-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
  flex-shrink: 0;
}

.blog-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.blog-card:hover .blog-card__img-wrap img {
  transform: scale(1.05);
}

.blog-card__img-wrap--no-img {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.2);
}

/* Card body */
.blog-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.blog-card__ig-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  color: #e1306c;
  background: rgba(225,48,108,0.12);
  border-radius: 20px;
  padding: 2px 8px;
}

.blog-card__date {
  font-size: 12px;
  color: var(--color-text-muted, #8b95a8);
}

.blog-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text, #e8eaf0);
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--color-text-muted, #8b95a8);
  line-height: 1.6;
  margin: 0;
  flex: 1;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.blog-card__read-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary-light, #818cf8);
  margin-top: 4px;
  transition: color 0.2s;
}

.blog-card:hover .blog-card__read-more {
  color: #a5b4fc;
}

/* ── Empty State ─────────────────────────────────────────────── */
.blog-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 60px 20px;
  color: var(--color-text-muted, #8b95a8);
  font-size: 1rem;
  margin-top: 40px;
}

/* ── Blog Modal ───────────────────────────────────────────────── */
.blog-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.blog-modal--open {
  opacity: 1;
  pointer-events: all;
}

.blog-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.blog-modal__window {
  position: relative;
  z-index: 1;
  background: var(--color-bg-secondary, #161b27);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  width: 100%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6);
  transform: scale(0.95) translateY(12px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.blog-modal--open .blog-modal__window {
  transform: scale(1) translateY(0);
}

.blog-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text, #e8eaf0);
  transition: background 0.2s, border-color 0.2s;
  z-index: 2;
}

.blog-modal__close:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
}

.blog-modal__img-wrap {
  width: 100%;
  max-height: 340px;
  overflow: hidden;
  border-radius: 20px 20px 0 0;
  flex-shrink: 0;
}

.blog-modal__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-modal__content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.blog-modal__meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.blog-modal__source {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary-light, #818cf8);
}

.blog-modal__date {
  font-size: 13px;
  color: var(--color-text-muted, #8b95a8);
}

.blog-modal__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text, #e8eaf0);
  line-height: 1.35;
  margin: 0;
}

.blog-modal__body {
  font-size: 0.95rem;
  color: var(--color-text-secondary, #b0b8cc);
  line-height: 1.8;
}

.blog-modal__body p {
  margin: 0 0 1em;
}

.blog-modal__ig-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #e1306c;
  text-decoration: none;
  padding: 10px 20px;
  border: 1px solid rgba(225,48,108,0.3);
  border-radius: 40px;
  width: fit-content;
  transition: background 0.2s, border-color 0.2s;
}

.blog-modal__ig-link:hover {
  background: rgba(225,48,108,0.1);
  border-color: rgba(225,48,108,0.5);
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-grid-loading {
    grid-template-columns: 1fr;
  }

  /* Fullscreen Modal on Mobile */
  .blog-modal {
    padding: 0;
    align-items: flex-start;
  }

  .blog-modal__window {
    border-radius: 0;
    max-height: 100vh;
    height: 100%;
    border: none;
    /* Slide up from bottom */
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.15, 0.85, 0.45, 1);
  }

  .blog-modal--open .blog-modal__window {
    transform: translateY(0);
  }

  .blog-modal__img-wrap {
    border-radius: 0;
    max-height: 280px;
  }

  /* Floating Fixed Close Button on Mobile */
  .blog-modal__close {
    position: fixed;
    top: 16px;
    right: 16px;
    background: rgba(15, 17, 23, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    z-index: 99;
  }

  .blog-modal__content {
    padding: 24px 20px;
  }

  .blog-modal__title {
    font-size: 1.25rem;
  }
}