/* ==========================================================================
   Arrivelec — main stylesheet
   ========================================================================== */

:root {
  --color-bg: #f5f7f6;
  --color-surface: #ffffff;
  --color-ink: #1f2a2e;
  --color-muted: #4e5c61;
  --color-line: #d7e0e2;
  --color-accent: #00a99d;
  --color-accent-dark: #00857b;
  --color-hero-from: #0d3b3a;
  --color-hero-to: #147a72;
  --font-sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --container: 1120px;
  --radius: 8px;
  --shadow: 0 10px 30px rgba(15, 40, 38, 0.08);
  --header-h: 76px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(0, 169, 157, 0.12), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, rgba(13, 59, 58, 0.08), transparent 55%),
    var(--color-bg);
}

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

a {
  color: var(--color-accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

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

.site-logo img {
  width: min(220px, 48vw);
  height: auto;
}

.site-logo__text {
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-ink);
  text-decoration: none;
}

.site-nav .nav-menu {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav .current-menu-item > a {
  color: var(--color-accent-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: var(--color-surface);
  padding: 10px;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    inset: var(--header-h) 0 auto 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-line);
    padding: 1rem 1.25rem 1.25rem;
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav .nav-menu {
    flex-direction: column;
    gap: 0.85rem;
  }

  body.nav-open {
    overflow: hidden;
  }
}

/* Hero / page hero
   ========================================================================== */

.hero {
  background:
    linear-gradient(135deg, rgba(13, 59, 58, 0.92), rgba(20, 122, 114, 0.85)),
    url("https://arrivelec.fr/wp-content/uploads/2024/10/batiment-arrivelec-980x653.png") center / cover no-repeat;
  color: #fff;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.hero__title {
  margin: 0 0 0.75rem;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero__lead {
  margin: 0;
  max-width: 36rem;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.92);
}

.page-hero {
  padding: 2.5rem 0 1.25rem;
}

.page-hero__title {
  margin: 0;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  line-height: 1.2;
}

.page-hero__agence {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.page-hero__region {
  width: 140px;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--color-surface);
}

/* Sections
   ========================================================================== */

.section {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.section__header {
  margin-bottom: 2rem;
  text-align: center;
}

.section__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3vw, 2rem);
}

.section__lead {
  margin: 0 auto;
  max-width: 48rem;
  color: var(--color-muted);
}

.section-qsn,
.section-contexte {
  background: var(--color-surface);
}

.section-certifications {
  background: linear-gradient(180deg, #eef6f5 0%, var(--color-bg) 100%);
}

/* Certifications
   ========================================================================== */

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.certification-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.certification-card img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto 1rem;
}

.certification-card__title {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  color: var(--color-accent-dark);
}

.certification-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.98rem;
}

@media (max-width: 900px) {
  .certifications-grid {
    grid-template-columns: 1fr;
  }
}

/* Qui sommes-nous
   ========================================================================== */

.qsn-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.qsn-card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
}

.qsn-card__title {
  margin: 0 0 0.65rem;
  font-size: 1.15rem;
  color: var(--color-accent-dark);
}

.qsn-card__text p {
  margin: 0 0 0.75rem;
  color: var(--color-muted);
}

.qsn-card__text p:last-child {
  margin-bottom: 0;
}

.qsn-card:last-child {
  grid-column: 1 / -1;
}

@media (max-width: 768px) {
  .qsn-grid {
    grid-template-columns: 1fr;
  }

  .qsn-card:last-child {
    grid-column: auto;
  }
}

/* Partenaires
   ========================================================================== */

.partenaires-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  align-items: center;
}

.partenaires-grid li {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 1rem;
  display: grid;
  place-items: center;
  min-height: 110px;
}

.partenaires-grid img {
  max-height: 70px;
  width: auto;
  object-fit: contain;
}

@media (max-width: 900px) {
  .partenaires-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Réalisations
   ========================================================================== */

.realisations-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

.realisations-grid__link {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.realisations-grid__link:hover,
.realisations-grid__link:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  outline: none;
}

.realisations-grid img {
  width: 100%;
  aspect-ratio: 400 / 284;
  object-fit: cover;
  border-radius: var(--radius);
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.realisations-grid__link:hover img {
  opacity: 0.92;
}

/* Lightbox */
.arrivelec-lightbox {
  border: 0;
  padding: 0;
  max-width: min(96vw, 1100px);
  max-height: 92vh;
  background: transparent;
}

.arrivelec-lightbox::backdrop {
  background: rgba(10, 24, 26, 0.82);
}

.arrivelec-lightbox__img {
  display: block;
  max-width: 96vw;
  max-height: 88vh;
  width: auto;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius);
}

.arrivelec-lightbox__close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: #fff;
  color: #102426;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.arrivelec-lightbox__close:hover {
  background: var(--color-accent);
  color: #fff;
}

body.lightbox-open {
  overflow: hidden;
}

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

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

/* Agences
   ========================================================================== */

.agences-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.agence-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.agence-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(15, 40, 38, 0.12);
}

.agence-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  height: 100%;
}

.agence-card__media {
  display: block;
}

.agence-card__image {
  width: 100%;
  aspect-ratio: 280 / 300;
  object-fit: cover;
  background: #eef4f3;
  pointer-events: none;
}

.agence-card__title {
  display: block;
  margin: 0;
  padding: 0.9rem 1rem 1.1rem;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
}

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

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

@media (max-width: 420px) {
  .agences-grid {
    grid-template-columns: 1fr;
  }
}

/* Agency content
   ========================================================================== */

.hero__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

.section-services__grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: center;
}

.section-services__visual {
  margin: 0;
}

.section-services__visual img {
  width: 160px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--color-surface);
}

@media (max-width: 700px) {
  .section-services__grid {
    grid-template-columns: 1fr;
  }

  .section-services__visual img {
    width: 120px;
  }
}

.services-list {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
}

.services-list li {
  margin-bottom: 0.35rem;
}

.prose h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 2.5vw, 1.7rem);
}

.prose p,
.prose ul {
  color: var(--color-muted);
}

.prose ul {
  padding-left: 1.25rem;
}

.page-content__body {
  padding-bottom: 3rem;
}

.button {
  display: inline-block;
  background: var(--color-accent);
  color: #fff !important;
  text-decoration: none;
  padding: 0.7rem 1.2rem;
  border-radius: 6px;
  font-weight: 600;
}

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

/* Footer
   ========================================================================== */

.site-footer {
  margin-top: 2rem;
  background: #102426;
  color: #dbe7e6;
}

.site-footer a {
  color: #9fe3db;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  align-items: center;
}

.site-footer__building img {
  width: 100%;
  border-radius: var(--radius);
}

.site-footer__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 0.75rem;
}

.site-footer__title {
  margin: 0 0 1rem;
  color: #fff;
  font-size: 1.5rem;
}

.site-footer__line {
  margin: 0 0 0.85rem;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1rem 0;
  font-size: 0.95rem;
}

.site-footer__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

.site-footer__bottom p {
  margin: 0;
}

@media (max-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

/* Cookie Notice (plugin) polish
   ========================================================================== */

#cookie-notice {
  background: #102426 !important;
}

#cookie-notice .cn-button {
  border-radius: 6px !important;
}