/* ==========================================================================
   Kotler Blog — archive (home.php + archive.php) + reused CTA
   - Hero, filter pills, featured post, grid, post card, pagination
   - Empty state
   - Shared CTA pre-footer (.kotler-blog__cta-*) — used też w single.php
   ========================================================================== */

/* Layout / container helpers */

.kotler-blog {
  background: var(--kotler-bg);
}

.kotler-blog__hero,
.kotler-blog__filters,
.kotler-blog__featured-section,
.kotler-blog__grid-section,
.kotler-blog__pagination,
.kotler-blog__empty,
.kotler-blog__cta {
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* === HERO === */

.kotler-blog__hero {
  padding-top: clamp(4rem, 9vw, 8rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  max-width: var(--container-max);
  margin: 0 auto;
}

.kotler-blog__hero-inner {
  max-width: 880px;
}

.kotler-blog__hero-kicker {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-widest);
  color: var(--kotler-blue);
  margin: 0 0 var(--space-5);
  text-transform: uppercase;
}

.kotler-blog__hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: var(--tracking-tighter);
  line-height: 1.05;
  color: var(--kotler-ink);
  margin: 0 0 var(--space-6);
  word-break: break-word;
  overflow-wrap: break-word;
}

.kotler-blog__hero-title-accent {
  color: var(--kotler-blue);
}

.kotler-blog__hero-sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--kotler-text-soft);
  max-width: 640px;
  margin: 0;
}

.kotler-blog__hero--archive .kotler-blog__hero-title {
  text-transform: none;
}

/* === FILTERS === */

.kotler-blog__filters {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-top: var(--space-4);
  padding-bottom: var(--space-8);
}

.kotler-blog__filters-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.kotler-blog__filter-pill,
.kotler-blog__filter-pill:link,
.kotler-blog__filter-pill:visited {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.1rem;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--kotler-ink);
  background: var(--kotler-paper);
  border: 1px solid var(--kotler-border);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.kotler-blog__filter-pill:hover,
.kotler-blog__filter-pill:focus-visible {
  color: var(--kotler-blue);
  border-color: var(--kotler-blue-200);
  background: var(--kotler-blue-50);
}

.kotler-blog__filter-pill--active,
.kotler-blog__filter-pill--active:link,
.kotler-blog__filter-pill--active:visited {
  color: #fff;
  background: var(--kotler-ink);
  border-color: var(--kotler-ink);
}

.kotler-blog__filter-pill--active:hover,
.kotler-blog__filter-pill--active:focus-visible {
  color: #fff;
  background: var(--kotler-blue);
  border-color: var(--kotler-blue);
}

/* === FEATURED POST === */

.kotler-blog__featured-section {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-bottom: var(--space-16);
}

.kotler-blog__featured-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--kotler-paper);
  border: 1px solid var(--kotler-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 320ms var(--ease-out-quart);
}

.kotler-blog__featured-wrapper:hover {
  box-shadow: var(--shadow-lg);
}

.kotler-blog__featured-link,
.kotler-blog__featured-link:link,
.kotler-blog__featured-link:visited {
  display: grid;
  grid-template-columns: 1fr;
  text-decoration: none;
  color: inherit;
}

@media (min-width: 900px) {
  .kotler-blog__featured-link {
    grid-template-columns: 1.2fr 1fr;
    align-items: stretch;
  }
}

.kotler-blog__featured-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--kotler-bg-warm);
  position: relative;
}

@media (min-width: 900px) {
  .kotler-blog__featured-media {
    aspect-ratio: auto;
  }
}

.kotler-blog__featured-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms var(--ease-out-quart);
}

.kotler-blog__featured-image--placeholder {
  background: linear-gradient(135deg, var(--kotler-blue-50), var(--kotler-bg-warm));
}

.kotler-blog__featured-wrapper:hover .kotler-blog__featured-image {
  transform: scale(1.04);
}

.kotler-blog__featured-body {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-4);
}

.kotler-blog__featured-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--kotler-text-mute);
}

.kotler-blog__featured-flag {
  color: var(--kotler-blue);
}

.kotler-blog__featured-category {
  color: var(--kotler-text-mute);
}

.kotler-blog__featured-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tighter);
  line-height: 1.15;
  color: var(--kotler-ink);
  margin: 0;
}

.kotler-blog__featured-excerpt {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--kotler-text-soft);
  margin: 0;
}

.kotler-blog__featured-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--kotler-text-mute);
}

.kotler-blog__featured-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--kotler-blue);
  transition: gap 200ms ease;
}

.kotler-blog__featured-wrapper:hover .kotler-blog__featured-cta {
  gap: 0.7rem;
}

/* === GRID === */

.kotler-blog__grid-section {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-bottom: var(--space-16);
}

.kotler-blog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

@media (min-width: 700px) {
  .kotler-blog__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .kotler-blog__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.kotler-blog__grid--related {
  margin-top: var(--space-8);
}

/* === POST CARD === */

.kotler-blog__card {
  background: var(--kotler-paper);
  border: 1px solid var(--kotler-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 320ms var(--ease-out-quart), box-shadow 320ms var(--ease-out-quart), border-color 200ms ease;
}

.kotler-blog__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--kotler-border-strong);
}

.kotler-blog__card-link,
.kotler-blog__card-link:link,
.kotler-blog__card-link:visited {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.kotler-blog__card-link:focus-visible {
  outline: 2px solid var(--kotler-blue);
  outline-offset: 4px;
}

.kotler-blog__card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--kotler-bg-warm);
}

.kotler-blog__card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 500ms var(--ease-out-quart);
}

.kotler-blog__card-image--placeholder {
  background: linear-gradient(135deg, var(--kotler-blue-50), var(--kotler-bg-warm));
}

.kotler-blog__card:hover .kotler-blog__card-image {
  transform: scale(1.05);
}

.kotler-blog__card-body {
  padding: clamp(1.25rem, 2vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex-grow: 1;
}

.kotler-blog__card-category {
  display: inline-block;
  align-self: flex-start;
  padding: 0.2rem 0.6rem;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--kotler-blue);
  background: var(--kotler-blue-50);
  border-radius: var(--radius-sm);
}

.kotler-blog__card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: var(--tracking-tight);
  color: var(--kotler-ink);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kotler-blog__card-excerpt {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--kotler-text-soft);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kotler-blog__card-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--kotler-text-mute);
}

/* === PAGINATION === */

.kotler-blog__pagination {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-bottom: var(--space-16);
}

.kotler-blog__pagination-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.kotler-blog__page-link,
.kotler-blog__page-link:link,
.kotler-blog__page-link:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--kotler-ink);
  background: transparent;
  border: 1px solid var(--kotler-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.kotler-blog__page-link:hover,
.kotler-blog__page-link:focus-visible {
  color: var(--kotler-blue);
  border-color: var(--kotler-blue-200);
  background: var(--kotler-blue-50);
}

.kotler-blog__page-link.current,
.kotler-blog__page-link.current:link,
.kotler-blog__page-link.current:visited {
  color: #fff;
  background: var(--kotler-ink);
  border-color: var(--kotler-ink);
}

.kotler-blog__page-link.dots {
  border-color: transparent;
  background: transparent;
  color: var(--kotler-text-mute);
  cursor: default;
}

/* === EMPTY STATE === */

.kotler-blog__empty {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-top: var(--space-12);
  padding-bottom: var(--space-24);
}

.kotler-blog__empty-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: clamp(2rem, 5vw, 3.5rem);
  background: var(--kotler-paper);
  border: 1px solid var(--kotler-border);
  border-radius: var(--radius-lg);
}

.kotler-blog__empty-eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-widest);
  color: var(--kotler-blue);
  margin: 0 0 var(--space-4);
}

.kotler-blog__empty-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tighter);
  line-height: 1.15;
  color: var(--kotler-ink);
  margin: 0 0 var(--space-4);
}

.kotler-blog__empty-sub {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--kotler-text-soft);
  margin: 0 0 var(--space-8);
}

.kotler-blog__empty-cta,
.kotler-blog__empty-cta:link,
.kotler-blog__empty-cta:visited {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: #fff;
  background: var(--kotler-ink);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background 200ms ease, transform 200ms ease;
}

.kotler-blog__empty-cta:hover,
.kotler-blog__empty-cta:focus-visible,
.kotler-blog__empty-cta:active {
  color: #fff;
  background: var(--kotler-blue);
  transform: translateY(-2px);
}

/* === CTA pre-footer (shared, used też w single.php przez template-parts/cta-kontakt.php) === */

.kotler-blog__cta {
  background: var(--kotler-ink);
  color: var(--kotler-text-on-dark, #fff);
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  position: relative;
  overflow: hidden;
}

.kotler-blog__cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 50%, var(--kotler-glow-blue-dark, rgba(0,128,246,0.08)) 0%, transparent 50%);
  pointer-events: none;
}

.kotler-blog__cta-inner {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.kotler-blog__cta-h2 {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tightest);
  line-height: 1.05;
  color: #fff;
  margin: 0 0 var(--space-4);
}

.kotler-blog__cta-sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--kotler-text-on-dark-mute, rgba(255,255,255,0.72));
  margin: 0 auto var(--space-8);
  max-width: 580px;
}

.kotler-blog__cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.kotler-blog__cta-btn,
.kotler-blog__cta-btn:link,
.kotler-blog__cta-btn:visited {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.75rem;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.005em;
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 200ms ease, color 200ms ease, transform 200ms ease, border-color 200ms ease;
}

.kotler-blog__cta-btn--primary,
.kotler-blog__cta-btn--primary:link,
.kotler-blog__cta-btn--primary:visited {
  color: #fff;
  background: var(--kotler-blue);
  border-color: var(--kotler-blue);
}

.kotler-blog__cta-btn--primary:hover,
.kotler-blog__cta-btn--primary:focus-visible,
.kotler-blog__cta-btn--primary:active {
  color: #fff;
  background: var(--kotler-blue-600);
  border-color: var(--kotler-blue-600);
  transform: translateY(-2px);
}

.kotler-blog__cta-btn--ghost,
.kotler-blog__cta-btn--ghost:link,
.kotler-blog__cta-btn--ghost:visited {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.2);
}

.kotler-blog__cta-btn--ghost:hover,
.kotler-blog__cta-btn--ghost:focus-visible,
.kotler-blog__cta-btn--ghost:active {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.4);
}

/* === Reduced motion === */

@media (prefers-reduced-motion: reduce) {
  .kotler-blog__card,
  .kotler-blog__card-image,
  .kotler-blog__featured-image,
  .kotler-blog__featured-cta,
  .kotler-blog__cta-btn,
  .kotler-blog__empty-cta {
    transition: none !important;
    transform: none !important;
  }

  .kotler-blog__card:hover,
  .kotler-blog__cta-btn:hover {
    transform: none;
  }
}