/* ============================================================
   Pakoteseula.fi — Articles & Knowledge Hub Stylesheet
   ============================================================ */

/* --- Hub Header & Filters --- */
.articles-hero {
  background: var(--color-hero-bg);
  color: #fff;
  padding-block: 5rem 3.5rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.articles-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% -20%, rgba(37,99,235,0.4) 0%, transparent 70%);
  pointer-events: none;
}
.articles-hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
  position: relative;
}
.articles-hero p {
  font-size: 1.1875rem;
  color: var(--color-hero-text);
  max-width: 680px;
  margin-inline: auto;
  line-height: 1.6;
  position: relative;
}

.articles-hub-main {
  padding-block: 3.5rem 6rem;
  background: var(--color-bg);
  min-height: 60vh;
}

/* Category Filters Bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.hub-section-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}


.search-box {
  position: relative;
  min-width: 260px;
}
.search-box input {
  width: 100%;
  padding: 0.55rem 1rem 0.55rem 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  background: var(--color-surface);
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--color-text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-box input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-lt);
}
.search-box svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1rem;
  height: 1rem;
  color: var(--color-muted);
  pointer-events: none;
}

/* Featured Article Card */
.featured-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}
.featured-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.featured-badge-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-accent-lt);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  width: fit-content;
}
.featured-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-primary);
  margin-block: 0.5rem 0.75rem;
}
.featured-title a:hover {
  color: var(--color-accent);
}
.featured-excerpt {
  color: var(--color-muted);
  font-size: 1.0625rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  max-width: 900px;
}
.featured-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-muted);
  flex-wrap: wrap;
}

/* Articles Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  position: relative;
}
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.category-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
}
.cat-valvonta { background: #e0f2fe; color: #0369a1; }
.cat-pakotteet { background: #f3e8ff; color: #7e22ce; }
.cat-tilitoimistot { background: #dcfce7; color: #15803d; }
.cat-lait { background: #fef3c7; color: #b45309; }
.cat-hinnat { background: #ccfbf1; color: #0f766e; }
.cat-sanktiot { background: #ffe4e6; color: #be123c; }

.read-time {
  font-size: 0.8125rem;
  color: var(--color-muted);
  white-space: nowrap;
}

.article-card h2, .article-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.article-card h2 a, .article-card h3 a {
  color: inherit;
  transition: color 0.15s;
}
.article-card h2 a:hover, .article-card h3 a:hover {
  color: var(--color-accent);
}

.card-excerpt {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-muted);
}
.card-link {
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap 0.15s;
}
.card-link:hover {
  gap: 0.55rem;
  color: #1d4ed8;
}

/* Empty state */
.no-results {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--color-muted);
  grid-column: 1 / -1;
  display: none;
}
.no-results h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

/* ============================================================
   Individual Article Template Styles
   ============================================================ */
.article-page {
  background: var(--color-bg);
  padding-block: 2.5rem 6rem;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.breadcrumbs a {
  color: var(--color-muted);
  transition: color 0.15s;
}
.breadcrumbs a:hover {
  color: var(--color-accent);
}
.breadcrumbs-sep {
  opacity: 0.5;
}
.breadcrumbs-current {
  color: var(--color-primary);
  font-weight: 600;
}

/* Article Container */
.article-layout {
  max-width: 820px;
  margin-inline: auto;
}

.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}
.article-header-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.article-header h1 {
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}
.article-lead {
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--color-muted);
  font-weight: 450;
  margin-bottom: 1.5rem;
}
.article-author-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-lt);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9375rem;
}

/* Table of Contents */
.toc-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-sm);
}
.toc-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.toc-list li {
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}
.toc-list a {
  color: var(--color-accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.15s, transform 0.15s;
}
.toc-list a:hover {
  color: #1d4ed8;
  transform: translateX(3px);
}
.toc-list li ul {
  margin-left: 1.5rem;
  margin-top: 0.35rem;
}

/* Article Content Typography */
.article-body {
  color: #1e293b;
  font-size: 1.0625rem;
  line-height: 1.8;
}
.article-body p {
  margin-bottom: 1.5rem;
}
.article-body h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-top: 3rem;
  margin-bottom: 1rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-accent-lt);
}
.article-body h3 {
  font-size: 1.3125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}
.article-body ul, .article-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li {
  margin-bottom: 0.5rem;
}
.article-body strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* Callout Boxes */
.callout {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin-block: 2rem;
  border-left: 4px solid;
}
.callout-info {
  background: #eff6ff;
  border-color: #3b82f6;
  color: #1e40af;
}
.callout-info strong { color: #1e3a8a; }

.callout-warning {
  background: #fffbeb;
  border-color: #f59e0b;
  color: #92400e;
}
.callout-warning strong { color: #78350f; }

.callout-tip {
  background: #f0fdf4;
  border-color: #22c55e;
  color: #166534;
}
.callout-tip strong { color: #14532d; }

.callout-law {
  background: #f8fafc;
  border-color: var(--color-primary);
  color: #334155;
  box-shadow: var(--shadow-sm);
}
.callout-law strong { color: var(--color-primary); }

.callout-header {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Data Tables */
.table-responsive {
  overflow-x: auto;
  margin-block: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  background: var(--color-surface);
}
.table-responsive table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}
.table-responsive th, .table-responsive td {
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}
.table-responsive th {
  background: #f8fafc;
  font-weight: 700;
  color: var(--color-primary);
}
.table-responsive tr:last-child td {
  border-bottom: none;
}
.table-responsive tr:hover td {
  background: #f8fafc;
}

/* Checklist */
.checklist {
  list-style: none;
  padding: 0;
  margin-block: 1.5rem;
}
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.checklist-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: #16a34a;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

/* In-article CTA */
.article-cta {
  background: linear-gradient(135deg, #0f2240 0%, #1e3a5f 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-block: 3.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.article-cta h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.75rem;
}
.article-cta p {
  color: #e0eaff;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 1.75rem;
  font-size: 1.0625rem;
}

/* Related articles */
.related-articles {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}
.related-articles h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 1.75rem;
}

@media (max-width: 768px) {
  .featured-card { padding: 1.75rem; }
  .article-header h1 { font-size: 2rem; }
  .article-cta { padding: 2rem 1.5rem; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-box { min-width: 100%; }
}