/**
 * Améliorations desktop : largeurs, grilles, colonnes, hiérarchie typographique « plein écran ».
 */

:root {
  /* Presque plein écran sur 1920px : gouttières stables + largeur max large */
  --layout-gutter: clamp(16px, 3vw, 40px);
  --layout-max: min(1760px, calc(100vw - 2 * var(--layout-gutter)));
  --section-y-desktop: clamp(3rem, 6vw, 5.5rem);
  --text-display-xl: clamp(2.4rem, 3.2vw + 1rem, 4.25rem);
  --text-lead-xl: clamp(1.15rem, 0.8vw + 0.9rem, 1.55rem);
  --text-body-lg: clamp(1.02rem, 0.35vw + 0.95rem, 1.2rem);
  /* Hiérarchie commune vitrines (corps / cartes / tables) */
  --showcase-body: var(--text-body-lg);
  --showcase-body-leading: 1.62;
  --showcase-ui: clamp(0.9375rem, 0.2vw + 0.9rem, 1rem);
  --showcase-card-title: clamp(1.0625rem, 0.25vw + 1rem, 1.2rem);
}

.site-head {
  position: relative;
  z-index: 40;
}

@media (min-width: 1024px) {
  .site-head--sticky {
    position: sticky;
    top: 0;
  }
}

.site-head__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding: 10px 0 0;
  margin-top: 8px;
  border-top: 1px solid color-mix(in srgb, currentColor 12%, transparent);
  font-size: 0.82rem;
  font-weight: 500;
}

.subnav a {
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 999px;
  opacity: 0.92;
  border: 1px solid transparent;
}

.subnav a:hover {
  opacity: 1;
  border-color: color-mix(in srgb, currentColor 18%, transparent);
}

@media (max-width: 1023px) {
  .subnav {
    display: none;
  }
}

.layout-wide {
  width: 100%;
  max-width: var(--layout-max);
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

/**
 * « Container » type Bootstrap : contenu centré, pleine largeur utile.
 */
.showcase-container {
  width: 100%;
  max-width: var(--layout-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--layout-gutter);
  padding-right: var(--layout-gutter);
  box-sizing: border-box;
}

/* Grille responsive façon row / cols (12 colonnes logiques → fractions) */
.showcase-row {
  display: grid;
  gap: clamp(16px, 2vw, 28px);
}

@media (min-width: 900px) {
  .showcase-row--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .showcase-row--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .showcase-row--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  /* Asymétrique : ~33 % + ~66 % */
  .showcase-row--1-2 {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  }

  .showcase-row--2-1 {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  }
}

@media (min-width: 1200px) {
  .showcase-row--aside-start {
    grid-template-columns: minmax(260px, 380px) minmax(0, 1fr);
    align-items: start;
  }
}

/* Cartes M3 un peu plus marquées sur desktop */
@media (min-width: 1024px) {
  .showcase-surface-card {
    border-radius: var(--md-sys-shape-corner-large, 16px);
    box-shadow: var(--md-elevation-2, 0 2px 8px rgba(0, 0, 0, 0.12));
    border: 1px solid var(--md-sys-color-outline-variant, rgba(0, 0, 0, 0.1));
  }
}

@media (min-width: 1280px) {
  main > section.layout-bleed {
    padding-left: 0;
    padding-right: 0;
    max-width: none;
  }
}

@media (min-width: 1200px) {
  .desktop-2col {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
    gap: clamp(24px, 3vw, 48px);
    align-items: start;
  }

  .desktop-2col__main {
    min-width: 0;
  }

  .desktop-2col__aside {
    position: sticky;
    top: 100px;
    padding: 20px 22px;
    border-radius: var(--md-sys-shape-corner-large, 16px);
    border: 1px solid var(--md-sys-color-outline-variant, rgba(0, 0, 0, 0.1));
    background: var(--md-sys-color-surface-container-high, rgba(0, 0, 0, 0.04));
    box-shadow: var(--md-elevation-1, 0 1px 2px rgba(0, 0, 0, 0.08));
  }
}

@media (min-width: 1320px) {
  .prose-columns {
    column-count: 2;
    column-gap: clamp(2rem, 4vw, 3.5rem);
    column-rule: 1px solid color-mix(in srgb, var(--md-sys-color-outline-variant, #ccc) 80%, transparent);
  }

  .prose-columns h3 {
    break-after: avoid;
  }

  .prose-columns p,
  .prose-columns li {
    break-inside: avoid;
  }
}

@media (max-width: 1319px) {
  .prose-columns {
    column-count: 1;
  }
}

.density-hero-title {
  font-size: var(--text-display-xl);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.density-lead {
  font-size: var(--text-lead-xl);
  line-height: 1.55;
  max-width: min(95ch, 92vw);
}

.density-body {
  font-size: var(--text-body-lg);
  line-height: 1.65;
}

.density-stack > * + * {
  margin-top: clamp(1rem, 2vw, 1.75rem);
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px 20px;
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--md-sys-shape-corner-large, 16px);
  border: 1px solid var(--md-sys-color-outline-variant, rgba(0, 0, 0, 0.1));
}

.kpi-strip dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.75;
  margin: 0;
}

.kpi-strip dd {
  margin: 4px 0 0;
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

@media (min-width: 1400px) {
  .grid-xl-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  }
}

.figure-banner {
  margin: 0;
  border-radius: var(--md-sys-shape-corner-large, 16px);
  overflow: hidden;
  box-shadow: var(--md-elevation-2, 0 2px 8px rgba(0, 0, 0, 0.12));
}

.figure-banner img {
  width: 100%;
  display: block;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.figure-banner figcaption {
  padding: 10px 14px;
  font-size: 0.82rem;
  opacity: 0.85;
  background: var(--md-sys-color-surface-container, #f5f5f5);
}

/* ——— Navigation type landing (5 entrées, cibles tactiles, cf. web.dev / UX) ——— */
.skip-link,
.skip {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus,
.skip:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 10000;
  width: auto;
  height: auto;
  margin: 0;
  clip: auto;
  overflow: visible;
  white-space: normal;
  padding: 0.75rem 1.25rem;
  border-radius: var(--md-sys-shape-corner-medium, 12px);
  background: var(--md-sys-color-primary, #1a1a2e);
  color: var(--md-sys-color-on-primary, #fff);
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--md-elevation-3, 0 4px 12px rgba(0, 0, 0, 0.2));
}

.nav-primary ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
  align-items: center;
}

.nav-primary a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  font-weight: 500;
  font-size: var(--showcase-ui, 0.9375rem);
  text-decoration: none;
  border: 1px solid transparent;
}

.nav-primary a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

section[id] {
  scroll-margin-top: 6.5rem;
}

.subsection-title {
  margin: clamp(1.75rem, 3vw, 2.5rem) 0 1rem;
  font-size: clamp(1.08rem, 0.35vw + 1rem, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.callout-soft {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: var(--md-sys-shape-corner-large, 16px);
  border: 1px solid var(--md-sys-color-outline-variant, rgba(0, 0, 0, 0.12));
  background: var(--md-sys-color-surface-container-high, rgba(0, 0, 0, 0.04));
}

/* Référence gabarit (WordPress / Joomla / Bootstrap) — texte discret en pied de vitrine */
.showcase-template-ref {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in srgb, currentColor 12%, transparent);
  font-size: clamp(0.8rem, 0.15vw + 0.78rem, 0.88rem);
  line-height: 1.5;
  opacity: 0.88;
  max-width: min(72ch, 100%);
  margin-left: auto;
  margin-right: auto;
}

.showcase-template-ref a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.showcase-split {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

@media (min-width: 900px) {
  .showcase-split--media-end {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 44%);
  }

  .showcase-split--media-start {
    grid-template-columns: minmax(280px, 44%) minmax(0, 1fr);
  }
}

.showcase-split__media {
  margin: 0;
  border-radius: var(--md-sys-shape-corner-large, 16px);
  overflow: hidden;
  box-shadow: var(--md-elevation-2, 0 2px 8px rgba(0, 0, 0, 0.12));
  border: 1px solid var(--md-sys-color-outline-variant, rgba(0, 0, 0, 0.08));
}

.showcase-split__media img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.showcase-split__copy p:last-child {
  margin-bottom: 0;
}

.contact-grid {
  display: grid;
  gap: clamp(16px, 2vw, 24px);
}

@media (min-width: 768px) {
  .contact-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}