/* ================================================================
   pipopstudio® — Blog System
   blog.css · v1.0
   ----------------------------------------------------------------
   Extends style.css + theme.css. Load AFTER both.
   Covers: blog listing, article page, homepage "latest posts" block.
================================================================ */


/* ----------------------------------------------------------------
   1. BLOG LISTING PAGE
---------------------------------------------------------------- */

/* ── Hero — extends .hero + .services-hero from style.css ── */
/* Only override: reduce bottom padding since toolbar follows */
.blog-hero {
  padding-bottom: clamp(32px, 5vw, 48px);
}

/* ── Toolbar (search + filters + sort) ── */
.blog-toolbar {
  padding-inline: var(--gutter);
  padding-bottom: clamp(32px, 5vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── Search bar — full-width, aligned with content ── */
.blog-search {
  position: relative;
  width: 100%;
}

.blog-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  stroke: var(--fg-3);
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
  transition: stroke 0.2s ease;
}

.blog-search-input {
  width: 100%;
  padding: 14px 18px 14px 46px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.25s ease, background 0.25s ease;
  -webkit-appearance: none;
}

.blog-search-input::placeholder {
  color: var(--fg-3);
  font-size: 0.85rem;
}

.blog-search-input:focus {
  border-color: rgba(36, 73, 255, 0.5);
  background: var(--bg-2);
}

.blog-search:focus-within .blog-search-icon {
  stroke: var(--accent);
}

.blog-search-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

[data-theme="light"] .blog-search-input {
  background: var(--bg-2);
}

[data-theme="light"] .blog-search-input:focus {
  background: #fff;
}

/* ── Filters + sort on same row ── */
.blog-filters-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

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

.blog-filter-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 18px;
  cursor: pointer;
  transition:
    color 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}

.blog-filter-btn:hover {
  color: var(--fg);
  border-color: var(--border-hover);
}

.blog-filter-btn.is-active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

[data-theme="light"] .blog-filter-btn.is-active {
  color: #fff;
}

/* ── Sort dropdown ── */
.blog-sort {
  display: flex;
  align-items: center;
  gap: 10px;
}

.blog-sort-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
  white-space: nowrap;
}

.blog-sort-wrapper {
  position: relative;
}

.blog-sort-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 36px 9px 14px;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  outline: none;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.blog-sort-select:hover {
  border-color: var(--border-hover);
}

.blog-sort-select:focus {
  border-color: rgba(36, 73, 255, 0.5);
}

.blog-sort-chevron {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  stroke: var(--fg-3);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

[data-theme="light"] .blog-sort-select {
  background: var(--bg-2);
}

/* ── Grid header (results count) ── */
.blog-grid-header {
  padding-inline: var(--gutter);
  margin-bottom: 12px;
  display: flex;
  justify-content: flex-end;
}

.blog-results-count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--fg-3);
  letter-spacing: 0.08em;
}


/* ── Articles grid ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2vw, 28px);
  padding-inline: var(--gutter);
  padding-bottom: var(--section-v);
}


/* ── Blog card ── */
.blog-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  transition:
    border-color 0.3s ease,
    background 0.3s ease,
    transform 0.45s var(--ease-out);
}

.blog-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 28%;
  height: 3px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
  transition: transform 0.3s var(--ease-spring);
  z-index: 2;
}

.blog-card:hover {
  border-color: rgba(36, 73, 255, 0.3);
  transform: translateY(-4px);
}

.blog-card:hover::after {
  transform: translateX(-50%) scaleX(1);
}

[data-theme="light"] .blog-card {
  background: var(--bg-2);
}

[data-theme="light"] .blog-card:hover {
  border-color: rgba(36, 73, 255, 0.25);
}

.blog-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* Image */
.blog-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-2);
}

.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease-out);
  will-change: transform;
}

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

/* Category badge on image */
.blog-card-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(14, 14, 14, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1;
}

[data-theme="light"] .blog-card-cat {
  background: rgba(255, 255, 255, 0.8);
  color: var(--fg);
  border-color: rgba(0, 0, 0, 0.08);
}

/* Overlay */
.blog-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(14, 14, 14, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.blog-card:hover .blog-card-overlay { opacity: 1; }

[data-theme="light"] .blog-card-overlay {
  background: rgba(255, 255, 255, 0.55);
}

.blog-card-cta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 40px;
  padding: 10px 20px;
  transform: translateY(8px);
  transition: transform 0.4s var(--ease-out);
}

.blog-card:hover .blog-card-cta { transform: translateY(0); }

[data-theme="light"] .blog-card-cta {
  color: var(--fg);
  border-color: rgba(0, 0, 0, 0.3);
}

/* Card info */
.blog-card-info {
  padding: clamp(16px, 2.5vw, 24px);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.blog-card-date {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--fg-3);
  letter-spacing: 0.08em;
}

.blog-card-read {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--fg-3);
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 4px;
}

.blog-card-read svg {
  width: 12px;
  height: 12px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 10px;
  line-height: 1.3;
}

.blog-card-excerpt {
  font-size: 0.88rem;
  color: var(--fg-2);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Empty state */
.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: clamp(60px, 10vw, 100px) 0;
}

.blog-empty-text {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--fg-3);
  letter-spacing: 0.06em;
}


/* ----------------------------------------------------------------
   2. ARTICLE PAGE
---------------------------------------------------------------- */

/* ── Article hero ── */
.article-hero {
  padding-block: clamp(120px, 16vw, 180px) clamp(32px, 5vw, 48px);
  max-width: 800px;
  margin: 0 auto;
}

.article-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(24px, 4vw, 40px);
  flex-wrap: wrap;
}

.article-breadcrumbs a,
.article-breadcrumbs span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.article-breadcrumbs .bc-sep {
  color: var(--fg-3);
  opacity: 0.5;
}

.article-cat-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid rgba(36, 73, 255, 0.3);
  color: var(--accent);
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.article-cat-badge::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(36, 73, 255, 0.12) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: fpBadgeShimmer 3s ease-in-out infinite;
}

.article-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--fg);
  margin-bottom: 20px;
}

.article-meta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.article-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
}

.article-author-name {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--fg);
}

.article-author-role {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  color: var(--fg-3);
}

.article-meta-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
}

.article-date,
.article-read-time {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--fg-3);
}

/* ── Cover image ── */
.article-cover {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto clamp(40px, 6vw, 64px);
  padding-inline: var(--gutter);
}

.article-cover img {
  width: 100%;
  border-radius: 16px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--border);
}

/* ── Article body ── */
.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding-inline: var(--gutter);
  padding-bottom: var(--section-v);
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-top: clamp(40px, 5vw, 56px);
  margin-bottom: 16px;
  line-height: 1.2;
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 600;
  color: var(--fg);
  margin-top: clamp(28px, 3.5vw, 40px);
  margin-bottom: 12px;
  line-height: 1.3;
}

.article-body p {
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  color: var(--fg-2);
  line-height: 1.75;
  margin-bottom: 20px;
}

.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s ease;
}

.article-body a:hover {
  opacity: 0.75;
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-body li {
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  color: var(--fg-2);
  line-height: 1.75;
  margin-bottom: 8px;
}

.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 16px 24px;
  margin: 28px 0;
  background: var(--card-bg);
  border-radius: 0 12px 12px 0;
}

.article-body blockquote p {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--fg);
  margin-bottom: 0;
}

.article-body img {
  width: 100%;
  border-radius: 12px;
  margin: 28px 0;
  border: 1px solid var(--border);
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-3);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* ── Table of contents ── */
.article-toc {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: clamp(20px, 3vw, 28px);
  margin-bottom: clamp(32px, 5vw, 48px);
}

.article-toc-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 14px;
}

.article-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc;
}

.article-toc li {
  counter-increment: toc;
  margin-bottom: 8px;
}

.article-toc li::before {
  content: counter(toc, decimal-leading-zero) ".";
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  margin-right: 10px;
}

.article-toc a {
  font-size: 0.88rem;
  color: var(--fg-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* ── Tags ── */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 1px solid var(--border);
  margin-top: clamp(40px, 6vw, 56px);
}

.article-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--fg-3);
  padding: 5px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.article-tag:hover {
  border-color: var(--border-hover);
  color: var(--fg-2);
}

/* ── Share bar ── */
.article-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.article-share-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.article-share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg-3);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.article-share-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.article-share-btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Related articles ── */
.related-articles {
  border-top: 1px solid var(--border);
  padding-block: var(--section-v);
  padding-inline: var(--gutter);
}

.related-articles .section-hd {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2vw, 28px);
  max-width: 1200px;
  margin: 0 auto;
}


/* ----------------------------------------------------------------
   3. HOMEPAGE — "Derniers articles" section
---------------------------------------------------------------- */
.section-blog {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  position: relative;
  overflow: hidden;
}

.section-blog::before {
  content: '';
  position: absolute;
  bottom: -10%;
  right: -5%;
  width: clamp(250px, 40vw, 500px);
  height: clamp(250px, 40vw, 500px);
  background: radial-gradient(circle, rgba(36, 73, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

[data-theme="light"] .section-blog::before {
  background: radial-gradient(circle, rgba(36, 73, 255, 0.03) 0%, transparent 70%);
}

.blog-home-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2vw, 28px);
}

.blog-home-cta {
  display: flex;
  justify-content: center;
  margin-top: clamp(32px, 5vw, 48px);
}


/* ----------------------------------------------------------------
   4. RESPONSIVE
---------------------------------------------------------------- */

/* ── Tablet (≤ 900px) ── */
@media (max-width: 900px) {
  .blog-grid,
  .blog-home-grid,
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }

  .article-meta-row {
    gap: 14px;
  }
}

/* ── Mobile (≤ 600px) ── */
@media (max-width: 600px) {
  .blog-grid,
  .blog-home-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .blog-search {
    max-width: 100%;
  }

  .blog-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
  }

  .blog-filters::-webkit-scrollbar { display: none; }

  .blog-filter-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .blog-sort {
    width: 100%;
  }

  .blog-sort-wrapper {
    flex: 1;
  }

  .blog-sort-select {
    width: 100%;
  }

  .article-meta-sep { display: none; }

  .article-meta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .article-cover img {
    border-radius: 12px;
  }
}


/* ----------------------------------------------------------------
   5. REDUCED MOTION
---------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .blog-card { transition: none; }
  .blog-card::after { transition: none; }
  .blog-card-media img { transition: none; }
  .blog-card-overlay { transition: none; }
  .blog-card-cta { transition: none; }
}