/* ==========================================================================
   IMESDURAR — feuille de style principale
   Identité : média culturel et historique, sobre, éditorial, premium.
   Palette inspirée du drapeau amazigh (bleu / vert / jaune / rouge),
   utilisée en touches contrôlées sur une base neutre et chaleureuse.
   ========================================================================== */

:root {
  /* Couleurs de base */
  --color-ink: #1c1f26;
  --color-ink-soft: #4c5260;
  --color-ink-faint: #767c8a;
  --color-paper: #f2ede0;
  --color-paper-raised: #fbf9f3;
  --color-paper-deep: #e8e0cb;
  --color-line: #d9d0b8;
  --color-line-strong: #c6bb9c;

  /* Accents amazighs (usage contrôlé, jamais en grande surface) */
  --color-blue: #24438f;
  --color-green: #1f7a4d;
  --color-yellow: #c8901f;
  --color-red: #9c2b23;

  /* Typographie */
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Echelle */
  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.4vw, 1.35rem);
  --step-2: clamp(1.45rem, 1.3rem + 0.7vw, 1.75rem);
  --step-3: clamp(1.9rem, 1.6rem + 1.4vw, 2.6rem);
  --step-4: clamp(2.4rem, 1.9rem + 2.4vw, 3.6rem);

  --radius-sm: 3px;
  --radius-md: 5px;
  --content-max: 1180px;
  --content-narrow: 760px;

  color-scheme: light;
}

/* ------------------------- Reset minimal ------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

input {
  font: inherit;
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ------------------------- Layout utilities ------------------------- */

.wrap {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.wrap--narrow {
  max-width: var(--content-narrow);
}

@media (min-width: 640px) {
  .wrap {
    padding-inline: 2rem;
  }
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  background: var(--color-ink);
  color: var(--color-paper-raised);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--step--1);
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease;
}

.button:hover {
  background: var(--color-blue);
}

.section-heading {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--step-2);
  color: var(--color-ink);
  margin-bottom: 1.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-line-strong);
}

.empty-state {
  color: var(--color-ink-faint);
  font-style: italic;
}

/* ------------------------- Header ------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--color-paper-raised);
  border-bottom: 1px solid var(--color-line);
  box-shadow: 0 8px 0 -7px rgba(28, 31, 38, 0.05);
}

.site-header::before {
  content: '';
  display: block;
  height: 4px;
  background: linear-gradient(
    to right,
    var(--color-blue) 0 25%,
    var(--color-green) 25% 50%,
    var(--color-yellow) 50% 75%,
    var(--color-red) 75% 100%
  );
}

.site-header__bar {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .site-header__bar {
    padding: 1.1rem 2rem;
  }
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-serif);
  color: var(--color-ink);
}

.brand__mark {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-red);
}

.brand__word {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.primary-nav {
  display: none;
  margin-inline-start: 0.5rem;
}

.primary-nav__list {
  display: flex;
  gap: 1.75rem;
}

.primary-nav__list a {
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--color-ink-soft);
  padding-block: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.primary-nav__list a:hover,
.primary-nav__list a.is-active {
  color: var(--color-ink);
  border-bottom-color: var(--color-red);
}

@media (min-width: 900px) {
  .primary-nav {
    display: block;
  }
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-inline-start: auto;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  color: var(--color-ink-soft);
}

.icon-button:hover {
  background: var(--color-paper-deep);
  color: var(--color-ink);
}

.icon-button__icon {
  width: 1.2rem;
  height: 1.2rem;
}

.icon-button--menu {
  display: inline-flex;
}

@media (min-width: 900px) {
  .icon-button--menu {
    display: none;
  }
}

.mobile-nav {
  border-top: 1px solid var(--color-line);
  background: var(--color-paper-raised);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav__list {
  padding: 0.5rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
}

.mobile-nav__list a {
  display: block;
  padding: 0.65rem 0;
  font-size: var(--step-0);
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink-soft);
}

.mobile-nav__list a.is-active {
  color: var(--color-red);
}

@media (min-width: 900px) {
  .mobile-nav {
    display: none !important;
  }
}

/* ------------------------- Search overlay ------------------------- */

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(28, 31, 38, 0.5);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 4vh 1.25rem;
}

.search-overlay[hidden] {
  display: none;
}

.search-overlay__panel {
  width: 100%;
  max-width: 640px;
  background: var(--color-paper-raised);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 45px rgba(28, 31, 38, 0.28);
  overflow: hidden;
}

.search-overlay__field {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--color-line);
}

.search-overlay__icon {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--color-ink-faint);
  flex-shrink: 0;
}

.search-overlay__field input {
  flex: 1;
  border: 0;
  background: none;
  font-size: var(--step-0);
  color: var(--color-ink);
}

.search-overlay__field input:focus {
  outline: none;
}

.search-results {
  max-height: 60vh;
  overflow-y: auto;
}

.search-results__item a {
  display: block;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--color-line);
}

.search-results__item a:hover,
.search-results__item a:focus-visible {
  background: var(--color-paper-deep);
}

.search-results__title {
  display: block;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-ink);
}

.search-results__meta {
  display: block;
  font-size: var(--step--1);
  color: var(--color-ink-faint);
  margin-top: 0.15rem;
}

.search-results__empty,
.search-results__hint {
  padding: 1.25rem 1.1rem;
  color: var(--color-ink-faint);
  font-size: var(--step--1);
}

/* ------------------------- Hero ------------------------- */

.hero {
  padding-block: 3.5rem 2.5rem;
  border-bottom: 1px solid var(--color-line);
}

.hero__grid {
  display: grid;
  gap: 1.5rem;
}

.hero__mark {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 2.25rem;
  color: var(--color-red);
  margin-bottom: 0.75rem;
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--step-4);
  line-height: 1.08;
  color: var(--color-ink);
  max-width: 16ch;
}

.hero__lede {
  margin-top: 1.1rem;
  max-width: 46ch;
  color: var(--color-ink-soft);
  font-size: var(--step-1);
}

.hero__content .button {
  margin-top: 1.6rem;
}

.hero__rule {
  height: 3px;
  background: linear-gradient(
    to right,
    var(--color-blue),
    var(--color-green) 33%,
    var(--color-yellow) 66%,
    var(--color-red)
  );
  width: 4.5rem;
}

@media (min-width: 900px) {
  .hero {
    padding-block: 5rem 3.5rem;
  }
}

/* ------------------------- Card grid ------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem 1.75rem;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card-grid--featured {
  gap: 2.25rem 1.75rem;
}

.card {
  display: flex;
  flex-direction: column;
}

.card__media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-paper-deep);
}

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

.card:hover .card__media img {
  transform: scale(1.035);
}

.card__body {
  padding-top: 0.9rem;
  border-top: 2px solid var(--color-line-strong);
  margin-top: 0.9rem;
}

.card__category {
  display: inline-block;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--color-blue);
}

.card__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--step-1);
  line-height: 1.3;
  margin-top: 0.35rem;
}

.card__title a:hover {
  color: var(--color-red);
}

.card__excerpt {
  margin-top: 0.5rem;
  color: var(--color-ink-soft);
  font-size: var(--step--1);
  line-height: 1.5;
}

.card__date {
  display: block;
  margin-top: 0.75rem;
  font-size: var(--step--1);
  color: var(--color-ink-faint);
}

.featured .card__title,
.card-grid--featured .card__title {
  font-size: var(--step-2);
}

/* ------------------------- Ad slots ------------------------- */

.ad-slot {
  border: 1px dashed var(--color-line-strong);
  border-radius: var(--radius-sm);
  color: var(--color-ink-faint);
  font-size: var(--step--1);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-slot--home {
  min-height: 110px;
  margin-block: 2.5rem;
}

.ad-slot--article {
  min-height: 110px;
  margin-block: 2.5rem;
}

/* ------------------------- Categories overview ------------------------- */

.categories-overview {
  padding-block: 3rem 4rem;
}

.categories-overview__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}

@media (min-width: 640px) {
  .categories-overview__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .categories-overview__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.categories-overview__item {
  background: var(--color-paper-raised);
}

.categories-overview__item a {
  display: block;
  padding: 1.5rem;
  height: 100%;
}

.categories-overview__item a:hover {
  background: var(--color-paper-deep);
}

.categories-overview__name {
  display: block;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--step-1);
  color: var(--color-ink);
}

.categories-overview__desc {
  display: block;
  margin-top: 0.4rem;
  font-size: var(--step--1);
  color: var(--color-ink-soft);
}

/* ------------------------- Breadcrumb ------------------------- */

.breadcrumb {
  padding-top: 1.5rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: var(--step--1);
  color: var(--color-ink-faint);
}

.breadcrumb li:not(:last-child)::after {
  content: '/';
  margin-left: 0.4rem;
  color: var(--color-line-strong);
}

.breadcrumb a:hover {
  color: var(--color-red);
}

.breadcrumb li[aria-current='page'] {
  color: var(--color-ink-soft);
}

/* ------------------------- Article ------------------------- */

.article {
  padding-bottom: 3rem;
}

.article__header {
  padding-block: 1.25rem 2rem;
}

.article__category {
  display: inline-block;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--color-blue);
}

.article__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--step-4);
  line-height: 1.12;
  color: var(--color-ink);
  margin-top: 0.6rem;
  max-width: 22ch;
}

.article__lede {
  margin-top: 1rem;
  font-size: var(--step-1);
  color: var(--color-ink-soft);
  max-width: 60ch;
}

.article__meta {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.1rem;
  font-size: var(--step--1);
  color: var(--color-ink-faint);
}

.article__meta-item {
  position: relative;
  padding-left: 1.1rem;
}

.article__meta-item:first-child {
  padding-left: 0;
}

.article__meta-item:not(:first-child)::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35em;
  height: 0.8em;
  width: 2px;
  background: var(--color-line-strong);
}

.article__meta strong {
  color: var(--color-ink-soft);
  font-weight: 600;
}

.article__figure {
  margin-top: 0.5rem;
  background: var(--color-paper-deep);
}

.article__figure img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  margin-inline: auto;
}

.article__body {
  padding-top: 2.25rem;
  font-size: var(--step-1);
  color: var(--color-ink);
  max-width: 68ch;
}

.article__body p {
  margin-bottom: 1.3em;
  line-height: 1.75;
}

.article__body h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--step-2);
  margin-top: 2.2em;
  margin-bottom: 0.7em;
  color: var(--color-ink);
}

.article__body h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--step-1);
  margin-top: 1.8em;
  margin-bottom: 0.6em;
}

.article__body ul,
.article__body ol {
  margin-bottom: 1.3em;
  padding-left: 1.3em;
}

.article__body ul {
  list-style: disc;
}

.article__body ol {
  list-style: decimal;
}

.article__body li {
  margin-bottom: 0.5em;
  line-height: 1.7;
}

.article__body blockquote {
  margin: 1.8em 0;
  padding-left: 1.2em;
  border-left: 3px solid var(--color-red);
  color: var(--color-ink-soft);
  font-style: italic;
}

.article__body figure {
  margin: 1.8em 0;
}

.article__body img {
  border-radius: var(--radius-sm);
}

.article__body figcaption {
  margin-top: 0.5em;
  font-size: var(--step--1);
  color: var(--color-ink-faint);
}

.article__body a {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.article__tags {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-size: var(--step--1);
  color: var(--color-ink-soft);
  background: var(--color-paper-deep);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.related {
  padding-block: 3rem 4rem;
  border-top: 1px solid var(--color-line);
  background: var(--color-paper-raised);
}

/* ------------------------- Category page ------------------------- */

.category-header {
  padding-block: 1.5rem 2.5rem;
}

.category-header__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--step-4);
  color: var(--color-ink);
}

.category-header__lede {
  margin-top: 0.8rem;
  max-width: 60ch;
  color: var(--color-ink-soft);
  font-size: var(--step-1);
}

.page-category main .card-grid {
  padding-bottom: 4rem;
}

/* ------------------------- Footer ------------------------- */

.site-footer {
  border-top: 1px solid var(--color-line);
  background: var(--color-ink);
  color: var(--color-paper);
  margin-top: 2rem;
}

.site-footer__grid {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 3rem 1.25rem 2rem;
  display: grid;
  gap: 2.25rem;
}

@media (min-width: 640px) {
  .site-footer__grid {
    padding: 3.5rem 2rem 2.25rem;
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.site-footer .brand {
  color: var(--color-paper);
}

.site-footer__about p {
  margin-top: 0.9rem;
  color: #b9bdc7;
  font-size: var(--step--1);
  max-width: 42ch;
  line-height: 1.6;
}

.site-footer__heading {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--step-0);
  margin-bottom: 0.9rem;
  color: var(--color-paper);
}

.site-footer__nav li {
  margin-bottom: 0.55rem;
}

.site-footer__nav a {
  color: #b9bdc7;
  font-size: var(--step--1);
}

.site-footer__nav a:hover {
  color: var(--color-paper);
}

.site-footer__bottom {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 1.25rem 1.25rem 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  border-top: 1px solid #33394a;
  font-size: var(--step--1);
  color: #8b909c;
}

@media (min-width: 640px) {
  .site-footer__bottom {
    padding: 1.25rem 2rem 2.5rem;
  }
}