/* Les Entreprises Nivelac — Design system */
:root {
  --color-primary: #1b3a6b;
  --color-accent: #2e5ba8;
  --color-topbar: #152d56;
  --color-text: #1a1a1a;
  --color-text-light: #555555;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-border: #e0e4ed;
  --color-white: #ffffff;
  --color-footer: #0f2040;
  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --header-height: 152px;
  --topbar-height: 38px;
  --container: 1200px;
  --shadow-sm: 0 2px 8px rgba(21, 45, 86, 0.08);
  --shadow-md: 0 12px 32px rgba(21, 45, 86, 0.12);
  --transition: 250ms ease;
  --card-hover-lift: -8px;
  --card-hover-shadow: 0 18px 36px rgba(21, 45, 86, 0.2);
  /* Lisibilité : échelle globale (les titres hero sont compensés à part) */
  --font-root-scale: 1.125;
}

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

html {
  scroll-behavior: smooth;
  font-size: calc(100% * var(--font-root-scale));
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-primary);
}

h2 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
}

h3 {
  font-size: 1.35rem;
  color: var(--color-primary);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.section-overline {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-title-wrap {
  margin-bottom: 2.5rem;
  text-align: center;
}

.section-title-wrap--left {
  text-align: left;
}

/* Topbar */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-topbar);
  color: var(--color-white);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
}

.topbar strong {
  font-weight: 700;
}

@media (max-width: 480px) {
  .topbar {
    font-size: 0.8rem;
  }
}

/* Header */
.site-header {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, var(--header-opacity, 0.95));
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  transition: box-shadow 0.3s ease, background 0.35s ease, backdrop-filter 0.35s ease, -webkit-backdrop-filter 0.35s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 4px 24px rgba(21, 45, 86, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 1.5rem;
}

.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-link img {
  height: 144px;
  width: auto;
}

@media (max-width: 600px) {
  :root {
    --header-height: 104px;
  }

  .logo-link img {
    height: 96px;
  }
}

.nav-desktop {
  display: none;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Liens de navigation (~1,5× la taille d’origine : moitié du précédent ×3) */
.nav-list a {
  display: block;
  position: relative;
  padding: 0.4rem clamp(0.3rem, 0.45vw, 0.65rem);
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 1.25vw, 1.575rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0.4rem;
  right: 0.4rem;
  bottom: 0.2rem;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

.nav-list a:hover,
.nav-list a.is-active {
  color: var(--color-accent);
}

.nav-list a:hover::after,
.nav-list a.is-active::after {
  transform: scaleX(1);
}

.nav-item--dropdown {
  position: relative;
}

.nav-item--dropdown > a::after {
  transform: none !important;
  transition: none !important;
  background: none !important;
  content: "";
  display: inline;
  width: 0;
  height: 0;
  margin-left: clamp(0.2rem, 0.5vw, 0.55rem);
  vertical-align: middle;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid currentColor;
}

.dropdown-panel {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: min(100vw - 2rem, 380px);
  padding: 0.5rem 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.nav-item--dropdown:hover .dropdown-panel,
.nav-item--dropdown:focus-within .dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-panel a {
  padding: clamp(0.5rem, 0.75vw, 1rem) clamp(0.75rem, 1vw, 1.5rem);
  font-size: clamp(0.95rem, 1.1vw, 1.425rem);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  font-family: var(--font-body);
  color: var(--color-text);
  border-left: 3px solid transparent;
}

.dropdown-panel a:hover {
  background: var(--color-bg-alt);
  border-left-color: var(--color-accent);
  color: var(--color-primary);
}

/* Mobile menu */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 4px;
}

.nav-toggle span {
  display: block;
  height: 3px;
  width: 26px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ── NAV MOBILE — menu déroulant pleine largeur ── */
.nav-mobile {
  position: fixed;
  top: calc(var(--topbar-height) + var(--header-height));
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--color-primary);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  box-shadow: 0 8px 24px rgba(15, 32, 64, 0.35);
}

.nav-mobile.is-open {
  max-height: 100vh;
}

.nav-mobile-inner {
  padding: 0.25rem 0 1.5rem;
  overflow-y: auto;
  max-height: calc(100vh - var(--topbar-height) - var(--header-height));
}

.nav-mobile-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-mobile-list > li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-mobile-list > li > a {
  display: block;
  padding: 1rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-white);
  transition: background var(--transition);
}

.nav-mobile-list > li > a:hover,
.nav-mobile-list > li > a.is-active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
}

.nav-mobile-sub {
  list-style: none;
  margin: 0;
  padding: 0;
  background: rgba(0, 0, 0, 0.2);
}

.nav-mobile-sub li a {
  display: block;
  padding: 0.75rem 1.5rem 0.75rem 2.5rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  text-transform: none;
  letter-spacing: 0.02em;
  transition: background var(--transition), color var(--transition);
}

.nav-mobile-sub li a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
}

@media (min-width: 1024px) {
  .nav-desktop { display: block; }
  .nav-toggle  { display: none; }
  .nav-mobile  { display: none; }
}

/* Main offset for fixed header */
main {
  padding-top: calc(var(--topbar-height) + var(--header-height));
}

/* Hero */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: 0;
}

.hero,
.page-hero {
  background-attachment: scroll;
  background-size: cover;
  background-position: center center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(21, 45, 86, 0.6);
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

/* Titres hero : taille visuelle inchangée malgré --font-root-scale sur html */
.hero:not(.hero--inner) h1 {
  font-size: calc(2.8rem / var(--font-root-scale));
}

.hero h1 {
  color: var(--color-white);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.25);
}

.hero h1::before {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  background: var(--color-accent);
  margin: 0 auto 1.25rem;
}

.hero .hero__subtitle {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1rem;
}

/* Hero interne pages */
.hero--inner {
  min-height: 400px;
  background-size: cover;
  background-position: center;
}

.hero--inner h1 {
  color: var(--color-white);
  font-size: calc(clamp(2.5rem, 6vw, 4rem) / var(--font-root-scale));
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.hero--inner::before {
  background: rgba(21, 45, 86, 0.55);
}

/* Section shapes */
.section--alt {
  background: var(--color-bg-alt);
}

.section-diagonal-top {
  position: relative;
  padding-top: 4rem;
}

.section-diagonal-top::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 48px;
  background: var(--color-bg);
  clip-path: polygon(0 100%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.section {
  padding: 4rem 0;
  position: relative;
  isolation: isolate;
}

.section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 26px;
  background: inherit;
  clip-path: polygon(0 calc(100% + var(--section-clip-shift, 0px)), 100% calc(90% - var(--section-clip-shift, 0px)), 100% 100%, 0 100%);
  pointer-events: none;
  z-index: -1;
  transition: clip-path 280ms ease;
}

@media (min-width: 768px) {
  .section {
    padding: 5rem 0;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  position: relative;
  overflow: hidden;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition),
    transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-ripple {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.45);
  transform: scale(0);
  animation: btn-ripple 0.65s ease-out forwards;
}

@keyframes btn-ripple {
  to {
    transform: scale(2.8);
    opacity: 0;
  }
}

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

.btn-primary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

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

.btn-white:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-bg-alt);
  color: var(--color-primary);
}

/* Grille services accueil */
.grid-3 {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.service-card {
  background: var(--color-white);
  border-radius: 6px;
  padding: 2rem 1.5rem;
  text-align: center;
  border-top: 4px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: transform 300ms ease, box-shadow 300ms ease, border-top-color 300ms ease;
}

.service-card:hover {
  transform: translateY(var(--card-hover-lift));
  box-shadow: var(--card-hover-shadow);
  border-top-color: var(--color-accent);
}

.service-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  color: var(--color-accent);
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  margin: 0;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.service-card-img { overflow: hidden; border-radius: 8px; }
.service-card-img__wrap { position: relative; height: 350px; overflow: hidden; }
.service-card-img__wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.service-card-img:hover .service-card-img__wrap img { transform: scale(1.05); }
.service-card-img__overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.42); display: flex; align-items: center; justify-content: center; transition: background 0.3s ease; }
.service-card-img:hover .service-card-img__overlay { background: rgba(21,58,107,0.55); }
.service-card-img__overlay span { color: #fff; font-family: 'Barlow Condensed', sans-serif; font-size: 1.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }

/* Two columns */
.grid-2 {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.about-media {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about-media img {
  width: 100%;
}

/* Galerie preview */
.gallery-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
}

.gallery-thumb {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-thumb:hover img {
  transform: scale(1.05);
}

.gallery-thumb__overlay {
  position: absolute;
  inset: 0;
  background: rgba(27, 58, 107, 0.62);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-thumb:hover .gallery-thumb__overlay {
  opacity: 1;
}

.gallery-thumb__overlay svg {
  width: 40px;
  height: 40px;
  color: var(--color-white);
}

.gallery-thumb__overlay::before,
.real-item__overlay::before {
  content: "⌕";
  font-size: 2rem;
  line-height: 1;
  color: var(--color-white);
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
}

/* CTA band */
.cta-band {
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: 3.5rem 1.25rem;
  position: relative;
  overflow: hidden;
}

.cta-band::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 32px;
  background: var(--color-footer);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
  opacity: 0.25;
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
}

/* Stats */
.stats-section {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 3.5rem 0;
  text-align: center;
}

.stats-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

.stat-item__value {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  color: var(--color-white);
}

.stat-item__label {
  font-size: 1rem;
  opacity: 0.92;
  max-width: 200px;
  margin: 0 auto;
}

/* Produits */
.product-grid {
  display: grid;
  gap: 2rem;
}

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

@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.product-card {
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  border-top: 4px solid transparent;
  transition: transform 300ms ease, box-shadow 300ms ease, border-top-color 300ms ease;
}

.product-card:hover {
  transform: translateY(var(--card-hover-lift));
  box-shadow: var(--card-hover-shadow);
  border-top-color: var(--color-accent);
}

.product-card__img {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__body {
  padding: 1.5rem;
}

.product-card__body p {
  margin: 0;
  color: var(--color-text-light);
}

.product-note {
  margin-top: 2.5rem;
  padding: 1.25rem;
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-accent);
  color: var(--color-text);
}

/* Services page blocks */
.service-block {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
  align-items: start;
}

@media (min-width: 768px) {
  .service-block {
    grid-template-columns: 1fr 1.1fr;
    gap: 2.5rem;
  }

  .service-block:nth-child(even) .service-block__media {
    order: 2;
  }
}

.service-block__media {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.service-block__media img {
  width: 100%;
  height: auto;
}

.service-block__text ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.service-block__text li {
  margin-bottom: 0.35rem;
}

/* Réalisations filtres */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-tab {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.65rem 1.25rem;
  border: 2px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.filter-tab:hover,
.filter-tab.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.real-gallery {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .real-gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

.real-item {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  border-top: 4px solid transparent;
  background: transparent;
  font: inherit;
  text-align: left;
  transition: transform 300ms ease, box-shadow 300ms ease, border-top-color 300ms ease;
}

.real-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.real-item:hover img {
  transform: scale(1.05);
}

.real-item:hover {
  transform: translateY(var(--card-hover-lift));
  box-shadow: var(--card-hover-shadow);
  border-top-color: var(--color-accent);
}

.real-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(27, 58, 107, 0.62);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.real-item:hover .real-item__overlay {
  opacity: 1;
}

.real-item__overlay svg {
  width: 36px;
  height: 36px;
  color: var(--color-white);
}

.real-group {
  margin-bottom: 3rem;
}

.real-group[data-hidden="true"] {
  display: none;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 4000;
  background: rgba(15, 32, 64, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__inner {
  position: relative;
  max-width: min(1100px, 100%);
  max-height: 90vh;
}

.lightbox__inner img {
  max-height: 85vh;
  width: auto;
  margin: 0 auto;
  border-radius: 4px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

.lightbox__close {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-primary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary);
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.lightbox__nav--prev {
  left: 0.5rem;
}

.lightbox__nav--next {
  right: 0.5rem;
}

@media (max-width: 767px) {
  .lightbox__nav {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}

/* Contact */
.contact-form {
  position: relative;
}

.contact-grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
  }
}

.contact-card {
  background: var(--color-bg-alt);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.contact-card h2 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.contact-card p {
  margin: 0 0 0.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(46, 91, 168, 0.2);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-feedback {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 4px;
  display: none;
}

.form-feedback.is-visible {
  display: block;
}

.form-feedback--success {
  background: #e8f5e9;
  color: #1b5e20;
  border: 1px solid #a5d6a7;
}

.form-feedback--error {
  background: #ffebee;
  color: #b71c1c;
  border: 1px solid #ef9a9a;
}

/* Valeurs */
.values-grid {
  display: grid;
  gap: 1.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value-card {
  padding: 2rem 1rem;
  background: var(--color-bg-alt);
  border-radius: 8px;
  border-top: 3px solid var(--color-accent);
}

.value-card h3 {
  margin-bottom: 0.5rem;
}

/* Footer */
.site-footer {
  background: var(--color-footer);
  color: rgba(255, 255, 255, 0.88);
  padding: 3.5rem 0 0;
}

.footer-grid {
  display: grid;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 2rem;
  }
}

.footer-brand img {
  height: 52px;
  width: auto;
  margin-bottom: 1rem;
}

.footer-brand p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.75);
}

.footer-col h3 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav li {
  margin-bottom: 0.5rem;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--color-white);
  text-decoration-color: rgba(255, 255, 255, 0.7);
}

.footer-contact p {
  margin: 0 0 0.5rem;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.footer-contact a:hover {
  color: var(--color-white);
  text-decoration-color: rgba(255, 255, 255, 0.55);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
  text-decoration-color: transparent;
}

.footer-bottom a:hover {
  text-decoration-color: rgba(255, 255, 255, 0.6);
}

/* Page prose */
.prose-block {
  max-width: 720px;
}

.prose-block p {
  margin: 0 0 1rem;
}

.prose-block--wide {
  max-width: none;
}

.page-intro {
  margin-bottom: 2rem;
}

.legal-page h2 {
  font-size: 1.35rem;
  margin-top: 2rem;
}

.legal-page ul {
  padding-left: 1.25rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3000;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -8px 32px rgba(21, 45, 86, 0.15);
  padding: 1.25rem;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-content {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .cookie-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-content p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text);
  flex: 1;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 3100;
  background: rgba(15, 32, 64, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}

.cookie-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.cookie-modal__box {
  background: var(--color-white);
  max-width: 480px;
  width: 100%;
  border-radius: 8px;
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}

.cookie-modal__box h3 {
  margin-bottom: 1rem;
}

.cookie-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--color-bg-alt);
  border-radius: 6px;
}

.cookie-option input {
  margin-top: 0.25rem;
}

.cookie-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
  justify-content: flex-end;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.35s ease, transform 0.35s ease, filter 0.35s ease;
  filter: blur(2px);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.hero .hero-word {
  display: inline;
  opacity: 0;
  transform: translateY(16px);
  animation: hero-word-in 0.6s ease forwards;
}

@keyframes hero-word-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.mt-1 {
  margin-top: 1rem;
}

.mb-0 {
  margin-bottom: 0;
}

.calc-section { padding: 4rem 0; background: #fff; }
.calc-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-bottom: 3rem; align-items: stretch; }
.calc-intro-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #1B3A6B;
  color: #fff;
  padding: 2.5rem;
  border-radius: 4px;
  font-size: 1.2rem;
  font-weight: 600;
  text-align: center;
}
.calc-intro-right { background: #F5F7FA; padding: 2.5rem; border-radius: 4px; font-size: 1.1rem; line-height: 1.8; text-align: center; }
.calc-notes { text-align: center; font-size: 1rem; color: #555; margin: 2rem auto; max-width: 700px; line-height: 1.8; }
.calc-results { display: flex; justify-content: center; align-items: center; gap: 3rem; margin: 2rem 0 3rem; font-size: 1.1rem; font-weight: 600; text-align: center; }
.calc-divider { font-size: 2rem; color: #ccc; }
.calc-tonnage { overflow-x: auto; }
.calc-tonnage__table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.calc-tonnage__table th { background: #1B3A6B; color: #fff; padding: 0.75rem 0.5rem; text-align: center; font-family: 'Barlow Condensed', sans-serif; font-size: 0.85rem; letter-spacing: 0.05em; }
.calc-tonnage__table td { border: 1px solid #d1d8e2; padding: 0.6rem 0.5rem; text-align: center; }
.calc-tonnage__table tbody tr:nth-child(even) { background: #f5f7fa; }
.calc-tonnage__table tbody tr:first-child td { border-top: 2px solid #1B3A6B; }
.calc-input { width: 70px; padding: 0.3rem; border: 1px solid #ccc; border-radius: 4px; background: #ececec; text-align: center; }
.calc-result { color: #1B3A6B; font-weight: 600; }
.unit-radios { display: flex; flex-direction: column; gap: 0.15rem; margin-top: 0.4rem; font-size: 0.78rem; font-weight: 400; }
.unit-radios label { display: flex; align-items: center; gap: 0.3rem; cursor: pointer; }
.calc-tonnage__actions { display: flex; justify-content: flex-end; gap: 1rem; margin-top: 1rem; }
.unit-row td { background: #f0f4f9; font-size: 0.8rem; font-weight: 600; color: #555; }
@media (max-width: 768px) {
  .calc-intro { grid-template-columns: 1fr; }
  .calc-results { flex-direction: column; gap: 1rem; }
  .calc-divider { display: none; }
}

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

.hero--home {
  min-height: 55vh !important;
}

.hero--inner {
}

.hero h1 {
  word-break: normal;
  overflow-wrap: break-word;
  white-space: normal;
}

@media (min-width: 769px) {
  .hero--home {
    background-attachment: fixed;
  }
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
  }
}

.nav-list {
  align-items: center;
}