/* ============================================================================
   SCHWIEBUS.PL - FRONTEND STYLESHEET
   Production-ready CSS with design tokens and comprehensive component styles
   ============================================================================ */

/* ============================================================================
   1. DESIGN TOKENS (CSS Custom Properties)
   ============================================================================ */

:root {
  /* Colors */
  --color-primary: #30435f;
  --color-text: #333333;
  --color-text-sub: #54595f;
  --color-bg: #ffffff;
  --color-bg-light: #fafafa;
  --color-bg-gray: #f1f1f1;
  --color-stroke: #D1D1D1;
  --color-black: #000000;
  --color-white: #ffffff;
  --color-error: #c0392b;
  --color-success: #27ae60;

  /* Typography */
  --font-display: 'Cloister Black', 'Old English Text', serif;
  --font-heading: 'Bitter', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --container-max: 1440px;
  --container-padding: 160px;
  --content-width: 1120px;
}

/* ============================================================================
   2. RESET & BASE STYLES
   ============================================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
}

h1 { font-size: 38px; }
h2 { font-size: 32px; }
h3 { font-size: 22px; }
h4 { font-size: 22px; font-weight: 400; }
h5 { font-size: 18px; }
h6 { font-size: 18px; font-weight: 400; }

p {
  font-size: 16px;
  line-height: 1.7;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
}

/* ============================================================================
   3. TYPOGRAPHY & TEXT UTILITIES
   ============================================================================ */

.font-display {
  font-family: var(--font-display);
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
}

.section-label::before {
  content: '';
  width: 40px;
  height: 2px;
  background-color: var(--color-primary);
  flex-shrink: 0;
}

.section-label--white {
  color: var(--color-white);
}

.section-label--white::before {
  background-color: var(--color-white);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 30px;
  line-height: 1.3;
}

.text-sub {
  color: var(--color-text-sub);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
  margin-top: 4px;
}

.text-center {
  text-align: center;
}

.text-uppercase {
  text-transform: uppercase;
}

/* ============================================================================
   4. LAYOUT & CONTAINER UTILITIES
   ============================================================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

.container--narrow {
  padding: 0 200px;
}

.section {
  padding: 80px 0;
}

.section--light {
  background-color: var(--color-bg-light);
}

.section--gray {
  background-color: var(--color-bg-gray);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.article-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}

/* Margin utilities */
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 50px; }
.mt-5 { margin-top: 70px; }
.mt-6 { margin-top: 90px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }
.mb-5 { margin-bottom: 50px; }

.visually-hidden {
  position: absolute;
  clip: rect(0, 0, 0, 0);
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
}

/* ============================================================================
   5. HEADER & NAVIGATION
   ============================================================================ */

.header {
  background-color: var(--color-bg);
  padding: 22px 0;
  border-bottom: 1px solid var(--color-stroke);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.header__logo {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.header__nav-item {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  position: relative;
  cursor: pointer;
  transition: color 0.2s;
  white-space: nowrap;
  padding-bottom: 12px;
  margin-bottom: -12px;
}

.header__nav-item:hover {
  color: var(--color-primary);
}

.header__dropdown {
  position: absolute;
  background-color: var(--color-bg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 15px 20px;
  min-width: 200px;
  display: none;
  top: 100%;
  left: 0;
  z-index: 50;
  border-radius: 4px;
}

.header__nav-item:hover .header__dropdown {
  display: block;
}

.header__dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  transition: color 0.2s;
}

.header__dropdown-item:hover {
  color: var(--color-primary);
}

.header__search {
  display: flex;
  border: 1px solid var(--color-stroke);
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
}

.header__search-input {
  border: none;
  padding: 8px 15px;
  width: 250px;
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.header__search-input:focus {
  background-color: var(--color-bg-light);
}

.header__search-btn {
  background-color: var(--color-primary);
  border: none;
  color: var(--color-white);
  padding: 8px 15px;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s;
}

.header__search-btn:hover {
  background-color: #1f2d42;
}

.search-dropdown {
  position: absolute;
  background-color: var(--color-bg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  width: 100%;
  max-height: 400px;
  overflow-y: auto;
  z-index: 200;
  top: 100%;
  margin-top: 4px;
}

.search-dropdown__item {
  padding: 12px 15px;
  border-bottom: 1px solid var(--color-stroke);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.2s;
}

.search-dropdown__item:hover {
  background-color: var(--color-bg-light);
}

.search-dropdown__item:last-child {
  border-bottom: none;
}

/* ============================================================================
   6. HERO BANNER
   ============================================================================ */

.hero {
  position: relative;
  background-image: url('/storage/tlo_baner_pocztowka.jpg');
  background-size: cover;
  background-position: center;
  padding: 60px 0;
  height: 285px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(241, 241, 241, 0.85);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  color: var(--color-text);
  width: 100%;
}

.hero__label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text);
  margin-bottom: 15px;
}

.hero__label::before {
  content: '';
  width: 40px;
  height: 2px;
  background-color: var(--color-text);
  flex-shrink: 0;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 15px;
  line-height: 1.3;
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text-sub);
  max-width: 700px;
  line-height: 1.6;
}

.hero__subtitle-sep {
  margin: 0 2px;
}

.hero--home {
  height: auto;
  min-height: 400px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero--home::before {
  background-color: rgba(48, 67, 95, 0.8);
}

.hero--home .hero__content {
  color: var(--color-white);
}

.hero--home .hero__title {
  font-size: 80px;
  margin-bottom: 20px;
  color: var(--color-white);
}

.hero__logo-subtitle {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

/* ============================================================================
   7. CARD THUMBNAILS & CATALOG GRID
   ============================================================================ */

.card-thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  transition: transform 0.2s;
  color: inherit;
}

.card-thumb:hover {
  transform: translateY(-3px);
}

.card-thumb__image-wrap {
  height: 220px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-light);
  width: 100%;
}

.card-thumb__image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.card-thumb__code {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text);
  margin-top: 8px;
  text-align: center;
  line-height: 1.4;
}

.catalog__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

/* ============================================================================
   8. CARD SLIDER
   ============================================================================ */

.card-slider {
  position: relative;
  overflow: hidden;
}

.card-slider__title {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin: 8px 0 24px;
  line-height: 1.3;
}

.card-slider__track {
  display: flex;
  gap: 20px;
  transition: transform 0.3s;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.card-slider__track::-webkit-scrollbar {
  display: none;
}

.card-slider__item {
  flex: 0 0 calc(20% - 16px);
  scroll-snap-align: start;
}

.card-slider__nav {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-text);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  z-index: 5;
  transition: background-color 0.2s;
}

.card-slider__nav:hover {
  background-color: #1a1a1a;
}

.card-slider__nav--prev {
  right: auto;
  left: 0;
}

.card-slider__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 20px;
}

.card-slider__see-all {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
  text-decoration: underline;
  cursor: pointer;
  transition: color 0.2s;
}

.card-slider__see-all:hover {
  color: var(--color-primary);
}

/* ============================================================================
   9. FILTERS (CATALOG)
   ============================================================================ */

.filters {
  padding: 40px 0;
}

.filters__heading {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin: 8px 0 24px;
  line-height: 1.3;
}

.filters__main {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  gap: 15px;
  align-items: start;
  margin-bottom: 20px;
}

.filters__toggle {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-primary);
  cursor: pointer;
  background: none;
  border: none;
  white-space: nowrap;
  transition: opacity 0.2s;
  padding: 10px 15px;
  align-self: stretch;
  display: flex;
  align-items: center;
}

.filters__toggle:hover {
  opacity: 0.7;
}

.filters__extra {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin-bottom: 20px;
}

.filters__extra.is-visible {
  display: grid;
}

.filter-dropdown {
  position: relative;
}

.filter-dropdown__trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  border: 1px solid var(--color-stroke);
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  width: 100%;
  background-color: var(--color-white);
  transition: border-color 0.2s;
}

.filter-dropdown__trigger:hover {
  border-color: var(--color-primary);
}

.filter-dropdown__trigger::after {
  content: '';
  width: 12px;
  height: 12px;
  margin-left: auto;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2354595f' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.filter-dropdown__trigger.is-open::after {
  transform: rotate(180deg);
}

.filter-dropdown__panel {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border: 1px solid var(--color-stroke);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  z-index: 50;
  display: none;
  max-height: 300px;
  overflow-y: auto;
  padding: 10px;
}

.filter-dropdown__panel.is-open {
  display: block;
}

.filter-dropdown__search {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--color-stroke);
  border-radius: 4px;
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
}

.filter-dropdown__search:focus {
  border-color: var(--color-primary);
}

.filter-dropdown__option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-family: var(--font-body);
  font-size: 13px;
  cursor: pointer;
}

.filter-dropdown__option input[type="checkbox"] {
  accent-color: var(--color-primary);
  cursor: pointer;
}

.filter-dropdown__count {
  color: var(--color-text-sub);
  font-size: 12px;
  margin-left: auto;
}

.filter-dropdown__submit {
  width: 100%;
  padding: 8px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  margin-top: 8px;
  transition: background-color 0.2s;
}

.filter-dropdown__submit:hover {
  background-color: #1f2d42;
}

.filter-dropdown__clear {
  text-align: center;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-text-sub);
  margin-top: 5px;
  cursor: pointer;
  transition: color 0.2s;
}

.filter-dropdown__clear:hover {
  color: var(--color-text);
}

.filters__active-section {
  margin-bottom: 15px;
}

.filters__active-label {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
  margin-bottom: 8px;
}

.filters__active {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-bg-gray);
  padding: 6px 14px;
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text);
}

.filter-chip__remove {
  cursor: pointer;
  font-size: 16px;
  color: var(--color-text-sub);
  line-height: 1;
  transition: color 0.2s;
  background: none;
  border: none;
  padding: 0;
  display: inline-flex;
  align-items: center;
}

.filter-chip__remove:hover {
  color: var(--color-text);
}

.filters__clear-all {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-primary);
  cursor: pointer;
  text-decoration: underline;
  background: none;
  border: none;
  padding: 0;
  transition: opacity 0.2s;
  margin-left: 5px;
}

.filters__clear-all:hover {
  opacity: 0.7;
}

.filters__count {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 20px 0 30px;
}

.filters__count-line {
  flex: 1;
  height: 1px;
  background-color: var(--color-stroke);
}

.filters__count-text {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
  white-space: nowrap;
}

/* ============================================================================
   10. PAGINATION
   ============================================================================ */

.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30px 0;
  border-top: 1px solid var(--color-stroke);
  margin-top: 30px;
}

.pagination__per-page {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
  display: flex;
  align-items: center;
  gap: 4px;
}

.pagination__per-page::before {
  content: 'Pokaż:';
  margin-right: 6px;
  color: var(--color-text-sub);
}

.pagination__per-page a {
  color: var(--color-text-sub);
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 3px;
  text-decoration: none;
}

.pagination__per-page a:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-light);
}

.pagination__per-page a.active {
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-bg-light);
}

.pagination__pages {
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-body);
  font-size: 14px;
}

/* Laravel default pagination styling */
.pagination__pages nav {
  display: flex;
  align-items: center;
}

.pagination__pages nav > div {
  display: flex;
  align-items: center;
}

.pagination__pages nav span,
.pagination__pages nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 4px 10px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.2s;
}

.pagination__pages nav a:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-light);
}

/* Active page */
.pagination__pages nav span[aria-current="page"] span,
.pagination__pages nav .active span {
  font-weight: 700;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: 4px;
  min-width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Disabled (prev/next when on first/last page) */
.pagination__pages nav span[aria-disabled="true"] {
  color: var(--color-stroke);
  cursor: default;
}

/* Hide "Showing X to Y" text from simple pagination */
.pagination__pages nav > div > div:first-child {
  display: none;
}

/* Prev/Next arrow buttons */
.pagination__pages nav a[rel="prev"],
.pagination__pages nav a[rel="next"] {
  font-weight: 600;
  color: var(--color-primary);
}

.pagination__pages nav a[rel="prev"]:hover,
.pagination__pages nav a[rel="next"]:hover {
  background-color: var(--color-bg-light);
}

/* Catalog-specific pagination (minimal design per Figma) */
.pagination-catalog {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30px 0;
  margin-top: 30px;
}

.pagination-catalog__per-page {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
}

.pagination-catalog__label {
  color: var(--color-text-sub);
}

.pagination-catalog__size {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
  text-decoration: none;
  padding: 2px 4px;
  transition: color 0.2s;
}

.pagination-catalog__size:hover {
  color: var(--color-text);
}

.pagination-catalog__size--active {
  font-weight: 700;
  color: var(--color-text);
  text-decoration: underline;
}

.pagination-catalog__nav {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 14px;
}

.pagination-catalog__arrow {
  color: var(--color-text-sub);
  text-decoration: none;
  font-size: 16px;
  transition: color 0.2s;
}

.pagination-catalog__arrow:hover {
  color: var(--color-text);
}

.pagination-catalog__arrow--disabled {
  color: var(--color-stroke);
  cursor: default;
}

.pagination-catalog__link {
  color: var(--color-text-sub);
  text-decoration: none;
  transition: color 0.2s;
}

.pagination-catalog__link:hover {
  color: var(--color-text);
}

.pagination-catalog__link--disabled {
  color: var(--color-stroke);
  cursor: default;
}

.pagination-catalog__current {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-sub);
}

.pagination-catalog__current strong {
  color: var(--color-text);
  text-decoration: underline;
}

/* ============================================================================
   11. CARD DETAIL PAGE
   ============================================================================ */

.card-detail__back {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-primary);
  margin-bottom: 20px;
  display: inline-block;
  text-decoration: underline;
  transition: opacity 0.2s;
}

.card-detail__back:hover {
  opacity: 0.7;
}

.card-section {
  padding: 40px 0;
}

.card-scan {
  position: relative;
  background-color: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.card-scan__image {
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-scan__image img {
  max-width: 100%;
  max-height: 700px;
  object-fit: contain;
}

.card-scan__zoom {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 36px;
  height: 36px;
  background-color: rgba(0, 0, 0, 0.5);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.2s;
}

.card-scan__zoom:hover {
  background-color: rgba(0, 0, 0, 0.7);
}

.variant-tabs {
  display: flex;
  margin-bottom: 0;
  flex-wrap: wrap;
}

.variant-tab {
  position: relative;
  padding: 8px 28px 8px 20px;
  margin-left: -12px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--color-white);
  transition: color 0.2s;
}

.variant-tab:first-child {
  margin-left: 0;
}

.variant-tab::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: #6b7280;
  clip-path: polygon(16px 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
  z-index: -1;
  transition: background-color 0.2s;
}

.variant-tab:first-child::before {
  clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
}

.variant-tab:hover::before {
  background-color: #4a5568;
}

.variant-tab.is-active {
  z-index: 2;
}

.variant-tab.is-active::before {
  background-color: var(--color-primary);
}

.variant-tab.is-active:hover::before {
  background-color: var(--color-primary);
}

.card-nav {
  display: flex;
  justify-content: space-between;
  padding: 20px 0;
  margin: 30px 0 40px;
}

.card-nav a {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
  transition: color 0.2s;
}

.card-nav a:hover {
  color: var(--color-primary);
}

.card-info {
}

/* Writings + metadata block (gray background) */
.card-info__writings-block {
  padding: 25px 30px;
  background-color: var(--color-bg-light);
}

.card-info__writings-block p {
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 4px;
}

.card-info__writings-block p:last-child {
  margin-bottom: 0;
}

.card-info__meta {
  margin-top: 16px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
}

.card-info__meta-symbol {
  margin-right: 4px;
}

/* Location tags block (gray background, separated) */
.card-info__locations {
  background-color: var(--color-bg-light);
  padding: 20px 30px;
  margin-top: 10px;
}

.card-info__location-row {
  display: flex;
  padding: 8px 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
}

.card-info__location-label {
  font-family: var(--font-heading);
  font-weight: 700;
  min-width: 110px;
  color: var(--color-text);
  flex-shrink: 0;
}

.card-info__location-value {
  font-family: var(--font-body);
  color: var(--color-text);
  flex: 1;
}

.card-info__tag {
  display: inline;
  color: var(--color-text-sub);
}

.card-info__tag::after {
  content: ' \2502 ';
  color: var(--color-stroke);
  margin: 0 6px;
}

.card-info__tag:last-child::after {
  content: '';
}

/* Expand toggle */
.card-info__expand {
  padding: 15px 0;
}

.card-info__expand-btn {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-primary);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  text-decoration: underline;
  transition: opacity 0.2s;
}

.card-info__expand-btn:hover {
  opacity: 0.7;
}

/* Expandable details grid */
.card-info__extra {
  display: none;
  padding: 30px 60px;
  grid-template-columns: 1fr 1fr;
  gap: 10px 40px;
  border-top: 1px solid var(--color-stroke);
  background-color: var(--color-bg-light);
}

.card-info__extra.is-visible {
  display: grid;
}

.card-info__extra-item {
  display: flex;
  gap: 14px;
  font-size: 14px;
  color: var(--color-text);
}

.card-info__extra-label {
  font-family: var(--font-heading);
  font-weight: 700;
  min-width: 110px;
  text-align: right;
  flex-shrink: 0;
}

.card-info__extra-item span:last-child {
  font-family: var(--font-body);
}

.card-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 30px 0;
  flex-wrap: wrap;
}

.card-cta__pdf {
  display: inline-flex;
  align-items: center;
}

/* Card section title (under section-label) */
.card-section__title {
  font-family: var(--font-heading);
  font-size: 32px;
  color: var(--color-text);
  margin: 8px 0 20px;
  line-height: 1.2;
}

/* Legacy compat */

/* Variant info block */
.card-variant-info {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-stroke);
  border-radius: 4px;
  padding: 25px;
  margin-bottom: 10px;
}

.card-variant-info__source {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.card-variant-info__comment {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
}

/* Placeholder for missing scan images */
.card-scan__placeholder {
  width: 100%;
  min-height: 300px;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-stroke);
  border-radius: 2px;
}

/* Slider wrapper for nav button positioning */
.card-slider__wrapper {
  position: relative;
}

/* ============================================================================
   12. ARTICLE PAGE
   ============================================================================ */

.article-content {
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
}

.article-content h2 {
  font-size: 28px;
  margin: 40px 0 15px;
  font-weight: 700;
}

.article-content h3 {
  font-size: 22px;
  margin: 30px 0 12px;
  font-weight: 700;
}

.article-content h4 {
  font-size: 18px;
  margin: 25px 0 10px;
  font-weight: 700;
}

.article-content p {
  margin-bottom: 16px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 16px;
  padding-left: 25px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin-bottom: 6px;
}

.article-content a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: opacity 0.2s;
}

.article-content a:hover {
  opacity: 0.7;
}

.article-content blockquote {
  position: relative;
  padding: 30px 40px;
  margin: 30px 0;
  font-style: italic;
  font-size: 18px;
  line-height: 1.7;
  background-color: var(--color-bg-light);
}

.article-content blockquote::before {
  content: '"';
  font-family: var(--font-heading);
  font-size: 80px;
  color: var(--color-bg-gray);
  position: absolute;
  top: -10px;
  right: 20px;
  line-height: 1;
}

.article-content figure {
  margin: 25px 0;
}

.article-content figcaption {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
  font-style: italic;
  margin-top: 8px;
  text-align: center;
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--color-stroke);
  margin: 30px 0;
}

.article-content strong {
  font-weight: 700;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-stroke);
}

.article-meta__item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Articles Listing */
.articles-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.articles-list__item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  padding: 30px 0;
  border-bottom: 1px solid var(--color-stroke);
  align-items: start;
}

.articles-list__item:first-child {
  padding-top: 0;
}

.articles-list__image-link {
  display: block;
}

.articles-list__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-bg-gray);
}

.articles-list__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.articles-list__image-link:hover .articles-list__image img {
  transform: scale(1.03);
}

.articles-list__content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.articles-list__category {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.articles-list__title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0;
}

.articles-list__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.articles-list__title a:hover {
  color: var(--color-primary);
}

.articles-list__meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
}

.articles-list__meta-sep {
  color: var(--color-stroke);
}

.articles-list__excerpt {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-sub);
  margin: 4px 0;
}

.articles-list__read-more {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity 0.2s;
}

.articles-list__read-more:hover {
  opacity: 0.7;
}

.articles-list__empty {
  text-align: center;
  padding: 60px 0;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text-sub);
}

/* Article Content Tags */
.article-content__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--color-stroke);
}

.article-content__tag {
  display: inline-block;
  padding: 4px 12px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-primary);
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-stroke);
}

.sidebar {
  position: sticky;
  top: 120px;
}

.sidebar__section {
  margin-bottom: 40px;
}

.sidebar__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--color-text);
}

.sidebar__article-list {
  list-style: disc;
  padding-left: 18px;
}

.sidebar__article-item {
  margin-bottom: 12px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  color: var(--color-text);
}

.sidebar__article-item a {
  color: var(--color-text);
  transition: color 0.2s;
}

.sidebar__article-item a:hover {
  color: var(--color-primary);
}

.sidebar__date {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
  margin-top: 2px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud__item {
  padding: 5px 14px;
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-primary);
  transition: all 0.2s;
  cursor: pointer;
}

.tag-cloud__item:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================================================
   13. HOME PAGE SECTIONS
   ============================================================================ */

.home-author {
  padding: 80px 0;
}

.home-author__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.home-author__image {
  border-radius: 4px;
  overflow: hidden;
}

.home-author__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-author__stats {
  display: flex;
  gap: 40px;
  margin-top: 30px;
}

.home-author__stat {
  flex: 1;
}

.home-author__text {
  font-family: var(--font-heading);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
}

.home-author__signature {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
}

.home-author__signature::before {
  content: '';
  width: 40px;
  height: 1px;
  background-color: var(--color-text-sub);
  flex-shrink: 0;
}

.topic-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
}

.topic-block:nth-child(even) {
  direction: rtl;
}

.topic-block:nth-child(even) > * {
  direction: ltr;
}

.topic-block__image {
  border-radius: 4px;
  overflow: hidden;
}

.topic-block__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.topic-block__content {
  direction: ltr;
}

.topic-block__category {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 15px;
}

.topic-block__category::before {
  content: '';
  width: 40px;
  height: 2px;
  background-color: var(--color-primary);
  flex-shrink: 0;
}

.topic-block__title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--color-text);
}

.topic-block__desc {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.6;
  margin-bottom: 25px;
}

.latest-articles__featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  align-items: center;
}

.latest-articles__featured-image img {
  width: 100%;
  border-radius: 4px;
}

.latest-articles__featured-date {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
  margin-bottom: 10px;
}

.latest-articles__featured-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--color-text);
}

.latest-articles__featured-desc {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.6;
}

.latest-articles__list {
  list-style: none;
  padding: 0;
}

.latest-articles__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-stroke);
}

.latest-articles__item:last-child {
  border-bottom: none;
}

.latest-articles__item-date {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
  min-width: 100px;
}

.latest-articles__item-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  flex: 1;
  margin: 0 20px;
  color: var(--color-text);
}

.latest-articles__item-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-text);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color 0.2s;
}

.latest-articles__item-link:hover {
  background-color: var(--color-primary);
}

/* ============================================================================
   14. CONTACT FORM
   ============================================================================ */

/* Contact Form Header */
.contact-form-header {
  margin-bottom: 40px;
}

.contact-form-header__title {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 12px;
}

.contact-form-header__subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
}

/* Contact Form */
.contact-form {
  max-width: 100%;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.contact-form__row--full {
  grid-template-columns: 1fr;
}

.contact-form__required-note {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-text-sub);
  margin-bottom: 16px;
}

.contact-form__file-trigger {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-primary);
  cursor: pointer;
  text-decoration: underline;
  transition: opacity 0.2s;
}

.contact-form__file-trigger:hover {
  opacity: 0.7;
}

.contact-form__file-input {
  display: none;
}

.contact-form__file-name {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
  margin-top: 6px;
  display: block;
}

/* Form Groups */
.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border: 1px solid var(--color-stroke);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s;
  background-color: var(--color-white);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2354595f' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  background-color: var(--color-bg-light);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* Error states */
.form-group--has-error input,
.form-group--has-error textarea,
.form-group--has-error select {
  border-color: var(--color-error);
}

.form-group--error input,
.form-group--error textarea {
  border-color: var(--color-error);
}

.form-group__error {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-error);
  margin-top: 4px;
}

.form-group__note {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-text-sub);
  margin-top: 10px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  margin: 20px 0;
}

.form-checkbox input {
  margin-top: 3px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Legacy file upload (kept for compatibility) */
.file-upload {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-primary);
  cursor: pointer;
  margin: 10px 0;
  text-decoration: underline;
  transition: opacity 0.2s;
}

.file-upload:hover {
  opacity: 0.7;
}

.file-upload__name {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
  margin-top: 5px;
}

.alert {
  padding: 15px 20px;
  border-radius: 4px;
  margin-top: 20px;
  font-family: var(--font-body);
  font-size: 15px;
}

.alert--success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert--error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* ============================================================================
   15. COMMENTS SECTION
   ============================================================================ */

.comments {
  padding: 40px 0;
}

.comments__title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 30px;
  color: var(--color-text);
}

.comments__form {
  max-width: 700px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-stroke);
}

.comments__list {
  margin-bottom: 40px;
}

.comment {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-stroke);
}

.comment:last-child {
  border-bottom: none;
}

.comment__header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.comment__author {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.comment__date {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
}

.comment__content {
  font-family: var(--font-heading);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
}

/* Comment Form */
.comment-form {
  max-width: 700px;
  padding: 30px 0;
}

.comment-form__title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 24px;
}

.comment-form__row--two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.comment-form__group {
  margin-bottom: 16px;
}

.comment-form__group--checkbox {
  margin-bottom: 20px;
}

.comment-form__label {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-sub);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.comment-form__input,
.comment-form__textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-stroke);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-white);
  transition: border-color 0.2s;
  outline: none;
}

.comment-form__input:focus,
.comment-form__textarea:focus {
  border-color: var(--color-primary);
}

.comment-form__input--error,
.comment-form__textarea--error {
  border-color: var(--color-error);
}

.comment-form__textarea {
  resize: vertical;
  min-height: 120px;
}

.comment-form__error {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-error);
  margin-top: 4px;
}

.comment-form__checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
  cursor: pointer;
  line-height: 1.5;
}

.comment-form__checkbox {
  accent-color: var(--color-primary);
  margin-top: 3px;
  flex-shrink: 0;
}

.comment-form__button {
  display: inline-flex;
  align-items: center;
  padding: 10px 28px;
  background-color: var(--color-text);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.comment-form__button:hover {
  background-color: #1a1a1a;
}

.comment-form__success {
  padding: 14px 18px;
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  margin-top: 16px;
}

/* ============================================================================
   16. SEARCH RESULTS
   ============================================================================ */

.search-categories {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
  font-family: var(--font-body);
  font-size: 14px;
  flex-wrap: wrap;
}

.search-categories label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.search-categories input[type="radio"],
.search-categories input[type="checkbox"] {
  accent-color: var(--color-primary);
  cursor: pointer;
}

.search-result {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-stroke);
}

.search-result:last-child {
  border-bottom: none;
}

.search-result__title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.search-result__title a {
  color: var(--color-text);
  transition: color 0.2s;
}

.search-result__title a:hover {
  color: var(--color-primary);
}

.search-result__excerpt {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.6;
  margin-bottom: 10px;
}

.search-result__excerpt mark {
  background-color: #fff3cd;
  padding: 0 2px;
  font-weight: 500;
}

.search-result__meta {
  display: flex;
  gap: 15px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-sub);
}

/* ============================================================================
   17. BUTTONS
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-text);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: #1a1a1a;
}

.btn--primary:active {
  transform: scale(0.98);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-text);
}

.btn--outline:hover {
  background-color: var(--color-text);
  color: var(--color-white);
}

.btn--secondary {
  background-color: var(--color-bg-gray);
  color: var(--color-text);
}

.btn--secondary:hover {
  background-color: #e8e8e8;
}

.btn--icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  padding: 0;
  justify-content: center;
}

.btn--link {
  background: none;
  padding: 0;
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: 400;
}

.btn--link:hover {
  opacity: 0.7;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================================================
   18. FOOTER
   ============================================================================ */

.footer {
  background-color: var(--color-bg-light);
  padding: 50px 0 40px;
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer__logo-text {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--color-text);
  display: block;
}

.footer__divider {
  border: none;
  border-top: 1px solid var(--color-stroke);
  margin: 20px 0;
}

.footer__copyright {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-sub);
}

/* ============================================================================
   19. RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 1200px) {
  .container {
    padding: 0 60px;
  }

  .container--narrow {
    padding: 0 80px;
  }

  .grid-5 {
    grid-template-columns: repeat(4, 1fr);
  }

  .header__search-input {
    width: 180px;
  }
}

@media (max-width: 992px) {
  .container {
    padding: 0 40px;
  }

  .container--narrow {
    padding: 0 60px;
  }

  .grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-2,
  .article-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .filters__main {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero--home .hero__title {
    font-size: 50px;
  }

  .topic-block {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .topic-block:nth-child(even) {
    direction: ltr;
  }

  .latest-articles__featured {
    grid-template-columns: 1fr;
  }

  .contact-form__row {
    grid-template-columns: 1fr;
  }

  .articles-list__item {
    grid-template-columns: 220px 1fr;
    gap: 20px;
  }

  .sidebar {
    position: relative;
    top: auto;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 15px;
  }

  .container {
    padding: 0 20px;
  }

  .container--narrow {
    padding: 0 20px;
  }

  .header__inner {
    padding: 0 20px;
  }

  .header__logo {
    font-size: 28px;
  }

  .header__nav {
    gap: 15px;
  }

  .header__search-input {
    width: 120px;
    font-size: 12px;
  }

  .hero {
    padding: 40px 0;
    height: 180px;
  }

  .hero--home {
    min-height: 300px;
  }

  .hero--home .hero__title {
    font-size: 36px;
  }

  .hero__content {
    padding: 0 20px;
  }

  .grid-5 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 50px 0;
  }

  .filters__main {
    grid-template-columns: 1fr;
  }

  .filters__extra {
    grid-template-columns: 1fr !important;
  }

  .home-author__grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .home-author__stats {
    gap: 20px;
  }

  .latest-articles__item {
    flex-direction: column;
    align-items: flex-start;
  }

  .latest-articles__item-date {
    min-width: auto;
  }

  .latest-articles__item-title {
    margin: 10px 0;
  }

  .card-slider__item {
    flex: 0 0 calc(50% - 10px);
  }

  .articles-list__item {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .articles-list__image {
    max-height: 200px;
  }

  .contact-form-header__title {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }

  .container {
    padding: 0 15px;
  }

  .header {
    padding: 15px 0;
  }

  .header__inner {
    padding: 0 15px;
    flex-wrap: wrap;
    gap: 10px;
  }

  .header__logo {
    font-size: 24px;
    flex-basis: 100%;
  }

  .header__nav {
    gap: 10px;
    font-size: 13px;
    flex-basis: 100%;
    justify-content: space-between;
  }

  .header__search {
    flex-basis: 100%;
  }

  .header__search-input {
    width: 100%;
  }

  h1 { font-size: 28px; }
  h2 { font-size: 22px; }
  h3 { font-size: 18px; }

  .hero--home .hero__title {
    font-size: 28px;
  }

  .section-title {
    font-size: 24px;
  }

  .grid-5,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .section {
    padding: 40px 0;
  }

  .btn {
    padding: 10px 16px;
    font-size: 13px;
    width: 100%;
    justify-content: center;
  }

  .pagination {
    flex-direction: column;
    gap: 15px;
  }

  .latest-articles__item {
    padding: 15px 0;
  }

  .card-slider__item {
    flex: 0 0 calc(100% - 0px);
  }
}

/* ============================================================================
   19. PRINT STYLES
   ============================================================================ */

@media print {
  .header,
  .btn,
  .filters,
  .pagination {
    display: none;
  }

  .container {
    padding: 0;
  }

  .article-content {
    color: var(--color-black);
  }
}