/* ============================================================
   CLIPPERTON DÉVELOPPEMENT — Feuille de styles principale
   ============================================================ */

/* --- Variables --- */
:root {
  --color-dark:    #1a1a1a;
  --color-dark2:   #2c2c2c;
  --color-gold:    #b89a5e;
  --color-gold-lt: #d4b98a;
  --color-bg:      #f7f5f1;
  --color-white:   #ffffff;
  --color-text:    #333333;
  --color-muted:   #888888;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Raleway', 'Helvetica Neue', Arial, sans-serif;

  --transition: 0.35s ease;
  --radius: 2px;
  --max-width: 1200px;
  --section-pad: 90px 40px;
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; transition: color var(--transition); }

ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-dark);
}
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }

p { margin-bottom: 1.2em; }
p:last-child { margin-bottom: 0; }

/* --- Layout helpers --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
}

.section { padding: var(--section-pad); }
.section--dark {
  background: var(--color-dark);
  color: var(--color-white);
}
.section--dark h1, .section--dark h2, .section--dark h3 {
  color: var(--color-white);
}
.section--bg {
  background: var(--color-bg);
}

/* --- Fade-in animation (Intersection Observer) --- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 22px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.site-header.transparent { background: transparent; }
.site-header.scrolled {
  background: var(--color-dark);
  padding: 14px 40px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.site-logo img { height: 48px; width: auto; transition: height var(--transition); }
.site-header.scrolled .site-logo img { height: 38px; }

.site-logo .logo-text {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-white);
  letter-spacing: 0.05em;
  line-height: 1.2;
}
.site-logo .logo-sub {
  font-family: var(--font-sans);
  font-size: 0.55rem;
  color: var(--color-gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: block;
}

.main-nav ul {
  display: flex;
  gap: 36px;
  align-items: center;
}
.main-nav a {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white);
  position: relative;
  padding-bottom: 3px;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}
.main-nav a:hover::after { width: 100%; }
.main-nav a:hover { color: var(--color-gold-lt); }

/* Mobile burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none; border: none; padding: 5px;
}
.burger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}
.burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 900px) {
  .burger { display: flex; }
  .main-nav {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--color-dark);
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .main-nav.open { display: flex; }
  .main-nav ul { flex-direction: column; gap: 28px; }
  .main-nav a { font-size: 1rem; letter-spacing: 0.2em; }
  .site-header { padding: 18px 24px; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  transition: transform 8s ease;
}
.hero__bg.loaded { transform: scale(1); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.15) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 60px 80px;
  max-width: 860px;
}
.hero__content h1 {
  color: var(--color-white);
  margin-bottom: 20px;
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-style: italic;
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.hero__content p {
  color: rgba(255,255,255,0.88);
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  letter-spacing: 0.04em;
  max-width: 560px;
  text-shadow: 0 1px 10px rgba(0,0,0,0.5);
  margin: 0;
}
.hero__scroll {
  position: absolute;
  bottom: 30px;
  right: 60px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.6);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--font-sans);
}
.hero__scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,0.4);
}
@media (max-width: 768px) {
  .hero__content { padding: 0 24px 60px; }
  .hero__scroll { display: none; }
}

/* ============================================================
   MISSIONS (homepage cards)
   ============================================================ */
.missions { padding: 100px 40px; background: var(--color-white); }
.missions .container { max-width: var(--max-width); margin: 0 auto; }

.missions__header {
  text-align: center;
  margin-bottom: 60px;
}
.missions__header .eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}
.missions__header h2 { font-style: italic; }

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

.mission-card {
  background: var(--color-bg);
  padding: 52px 40px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: background var(--transition);
}
.mission-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--color-gold);
  transition: height 0.5s ease;
}
.mission-card:hover::before { height: 100%; }
.mission-card:hover { background: var(--color-dark); }
.mission-card:hover h3, .mission-card:hover p { color: var(--color-white); }
.mission-card:hover .mission-card__link { color: var(--color-gold); }

.mission-card__num {
  font-family: var(--font-serif);
  font-size: 5rem;
  color: rgba(184, 154, 94, 0.15);
  line-height: 1;
  margin-bottom: 20px;
  transition: color var(--transition);
}
.mission-card:hover .mission-card__num { color: rgba(184, 154, 94, 0.25); }

.mission-card h3 {
  font-size: 1.35rem;
  margin-bottom: 14px;
  transition: color var(--transition);
  font-style: italic;
}
.mission-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  transition: color var(--transition);
  flex: 1;
  line-height: 1.7;
}
.mission-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-dark);
  margin-top: 32px;
  transition: color var(--transition), gap var(--transition);
}
.mission-card__link:hover { gap: 14px; }
.mission-card__link::after { content: '→'; font-size: 1rem; }

/* ============================================================
   REFERENCES GRID (homepage + page)
   ============================================================ */
.references-section {
  padding: 80px 40px;
  background: var(--color-dark);
}
.references-section .section-header {
  text-align: center;
  margin-bottom: 50px;
}
.references-section .section-header .eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 10px;
}
.references-section .section-header h2 {
  color: var(--color-white);
  font-style: italic;
}
.references-section .section-header p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  margin-top: 12px;
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  max-width: var(--max-width);
  margin: 0 auto;
}
@media (max-width: 1100px) { .references-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px)  { .references-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .references-grid { grid-template-columns: 1fr; } }

.project-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--color-dark2);
}
.project-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover .project-card__img { transform: scale(1.08); }

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 55%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0.85;
  transition: opacity var(--transition);
}
.project-card:hover .project-card__overlay { opacity: 1; }

.project-card__title {
  font-family: var(--font-serif);
  color: var(--color-white);
  font-size: 1.05rem;
  font-style: italic;
  line-height: 1.3;
}

.project-card__placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #2c2c2c, #1a1a1a);
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-card__placeholder svg {
  width: 40px; height: 40px;
  opacity: 0.2;
}

/* Page références spécifique */
.references-page .references-grid {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) {
  .references-page .references-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .references-page .references-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FILTRES RÉFÉRENCES
   ============================================================ */
.refs-filters {
  padding: 0 40px 50px;
}
.refs-filters__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.refs-filter {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.55);
  padding: 8px 20px;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 0;
  white-space: nowrap;
}
.refs-filter:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}
.refs-filter.active {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-dark);
}
.refs-filter__count {
  font-size: 0.65rem;
  opacity: 0.7;
}
.refs-filter.active .refs-filter__count { opacity: 1; }

/* Animation des cartes au filtrage */
.project-card {
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.project-card.hidden {
  display: none;
}
.project-card.filtering-out {
  opacity: 0;
  transform: scale(0.96);
  pointer-events: none;
}
.project-card.filtering-in {
  animation: cardIn 0.4s ease forwards;
}
@keyframes cardIn {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

/* Tags catégories sur la carte */
.project-card__sub {
  color: rgba(255,255,255,0.65);
  font-size: 0.78rem;
  margin-top: 4px;
  font-family: var(--font-sans);
}
.project-card__cats {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}
.project-card__tag {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid rgba(184,154,94,0.4);
  padding: 2px 7px;
}

@media (max-width: 768px) {
  .refs-filters { padding: 0 20px 36px; }
  .refs-filter { font-size: 0.65rem; padding: 7px 14px; }
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: var(--color-dark);
  padding: 160px 40px 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 120px; height: 3px;
  background: var(--color-gold);
}
.page-hero .eyebrow {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
}
.page-hero h1 {
  color: var(--color-white);
  font-style: italic;
  max-width: 700px;
}
.page-hero p {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
  max-width: 560px;
  margin-top: 16px;
}
.page-hero .container { max-width: var(--max-width); margin: 0 auto; }

/* ============================================================
   NOS MÉTIERS
   ============================================================ */
.metiers-section { padding: 80px 40px; }
.metiers-section .container { max-width: var(--max-width); margin: 0 auto; }

.metier-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 70px 0;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.metier-block:last-of-type { border-bottom: none; }
.metier-block:nth-child(even) .metier-block__img { order: 2; }
.metier-block:nth-child(even) .metier-block__text { order: 1; }

@media (max-width: 900px) {
  .metier-block { grid-template-columns: 1fr; gap: 40px; }
  .metier-block:nth-child(even) .metier-block__img,
  .metier-block:nth-child(even) .metier-block__text { order: unset; }
}

.metier-block__img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg);
}
.metier-block__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.metier-block__img:hover img { transform: scale(1.04); }
.metier-block__img::before {
  content: '';
  position: absolute;
  bottom: -3px; right: -3px;
  width: 60%; height: 60%;
  border: 2px solid var(--color-gold);
  z-index: -1;
}

.metier-block__num {
  font-family: var(--font-serif);
  font-size: 6rem;
  color: rgba(184, 154, 94, 0.12);
  line-height: 1;
  margin-bottom: -20px;
}
.metier-block__text h2 { font-style: italic; margin-bottom: 10px; }
.metier-block__text .subtitle {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 24px;
  font-family: var(--font-sans);
  font-weight: 600;
}

.metier-expand {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.5s ease;
}
.metier-expand.open { max-height: 1200px; }
.metier-expand p { margin-bottom: 1em; font-size: 0.95rem; color: #555; line-height: 1.8; }
.metier-expand ul { margin: 0.5em 0 1em 0; }
.metier-expand ul li {
  padding: 4px 0 4px 20px;
  position: relative;
  font-size: 0.95rem;
  color: #555;
}
.metier-expand ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-gold);
}

.metier-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-dark);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-top: 20px;
  transition: color var(--transition);
  font-family: var(--font-sans);
}
.metier-toggle:hover { color: var(--color-gold); }
.metier-toggle .arrow {
  display: inline-block;
  transition: transform 0.35s ease;
  font-size: 0.9rem;
}
.metier-toggle.open .arrow { transform: rotate(90deg); }

/* Vision section */
.vision-section {
  background: var(--color-dark);
  padding: 100px 40px;
  text-align: center;
}
.vision-section .container { max-width: 700px; margin: 0 auto; }
.vision-section .eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
  font-family: var(--font-sans);
}
.vision-section h2 { color: var(--color-white); font-style: italic; font-size: clamp(2rem, 4vw, 3.5rem); }
.vision-section p { color: rgba(255,255,255,0.65); max-width: 560px; margin: 20px auto 0; }

/* ============================================================
   ÉQUIPE
   ============================================================ */
.equipe-section { padding: 80px 40px; }
.equipe-section .container { max-width: var(--max-width); margin: 0 auto; }

.equipe-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px 80px;
  margin-top: 60px;
}
@media (max-width: 900px) {
  .equipe-grid { grid-template-columns: 1fr; gap: 50px; }
}

.membre-card {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}
@media (max-width: 600px) {
  .membre-card { flex-direction: column; align-items: center; text-align: center; }
}

.membre-card__photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-bg);
  border: 3px solid var(--color-gold);
}
.membre-card__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.membre-card__photo-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e8e4dc, #d4cfc4);
}
.membre-card__photo-placeholder svg { width: 50px; height: 50px; opacity: 0.4; }

.membre-card__info h3 { font-style: italic; margin-bottom: 4px; }
.membre-card__info .poste {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 14px;
  font-family: var(--font-sans);
}
.membre-card__info p { font-size: 0.9rem; color: #555; line-height: 1.7; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-section { padding: 80px 40px; }
.contact-section .container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 900px) {
  .contact-section .container { grid-template-columns: 1fr; gap: 50px; }
}

.contact-map {
  width: 100%;
  aspect-ratio: 4/3;
  border: none;
  background: var(--color-bg);
}

.contact-info h2 { font-style: italic; margin-bottom: 36px; }

.contact-detail {
  margin-bottom: 28px;
}
.contact-detail .label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 6px;
  font-family: var(--font-sans);
}
.contact-detail p, .contact-detail a {
  font-size: 1rem;
  color: var(--color-dark);
}
.contact-detail a:hover { color: var(--color-gold); }

/* CF7 form styling */
.wpcf7 { margin-top: 40px; }
.wpcf7 label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
  font-family: var(--font-sans);
}
.wpcf7 input[type="text"],
.wpcf7 input[type="email"],
.wpcf7 textarea {
  width: 100%;
  border: 1px solid #ddd;
  border-radius: 0;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-dark);
  background: var(--color-white);
  transition: border-color var(--transition);
  margin-bottom: 20px;
  appearance: none;
}
.wpcf7 input:focus, .wpcf7 textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}
.wpcf7 textarea { min-height: 130px; resize: vertical; }
.wpcf7 input[type="submit"] {
  background: var(--color-dark);
  color: var(--color-white);
  border: none;
  padding: 16px 40px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition);
}
.wpcf7 input[type="submit"]:hover { background: var(--color-gold); }

/* ============================================================
   SINGLE PROJET
   ============================================================ */
.projet-content {
  max-width: 820px;
  margin: 0 auto;
  padding: 80px 40px;
}
.projet-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid #eee;
}
.projet-meta__item {
  font-size: 0.78rem;
  color: var(--color-muted);
  font-family: var(--font-sans);
}
.projet-meta__item strong {
  color: var(--color-dark);
  font-weight: 600;
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 3px;
}
.projet-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  margin-bottom: 50px;
}
.projet-body h3 { margin: 1.8em 0 0.8em; }
.projet-body p { color: #555; line-height: 1.85; font-size: 0.97rem; }
.projet-body b, .projet-body strong { color: var(--color-dark); }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 40px;
  transition: color var(--transition);
  font-family: var(--font-sans);
}
.back-link:hover { color: var(--color-dark); }
.back-link::before { content: '←'; font-size: 1rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.6);
  padding: 70px 40px 40px;
}
.site-footer .container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 60px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 900px) {
  .site-footer .container { grid-template-columns: 1fr; gap: 40px; }
}

.footer-brand .logo-text {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: 6px;
}
.footer-brand .logo-sub {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 20px;
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-nav h4 {
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--color-gold); }

.footer-contact h4 {
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-contact address {
  font-style: normal;
  font-size: 0.88rem;
  line-height: 1.8;
}
.footer-contact a { color: rgba(255,255,255,0.55); }
.footer-contact a:hover { color: var(--color-gold); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 30px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  flex-wrap: wrap;
  gap: 10px;
}

/* ============================================================
   UTILITY / BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 36px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: background var(--transition), color var(--transition);
}
.btn--dark {
  background: var(--color-dark);
  color: var(--color-white);
}
.btn--dark:hover { background: var(--color-gold); color: var(--color-dark); }
.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.4);
}
.btn--outline:hover { background: var(--color-gold); border-color: var(--color-gold); color: var(--color-dark); }

/* Section CTA strip */
.cta-strip {
  background: var(--color-gold);
  padding: 50px 40px;
  text-align: center;
}
.cta-strip h2 { color: var(--color-dark); font-style: italic; margin-bottom: 24px; }
.cta-strip .btn--dark { border: 2px solid var(--color-dark); }

/* ============================================================
   ADMIN BAR OFFSET
   ============================================================ */
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) {
  .admin-bar .site-header { top: 46px; }
}

/* ============================================================
   RESPONSIVE TWEAKS
   ============================================================ */
@media (max-width: 768px) {
  .missions { padding: 60px 20px; }
  .metiers-section, .equipe-section, .contact-section, .projet-content { padding: 50px 20px; }
  .page-hero { padding: 130px 20px 60px; }
  .references-section { padding: 60px 20px; }
  .site-footer { padding: 50px 20px 30px; }
}