/* ============================================
   BTH EXPERT — Stylesheet
   Version: 1.0
   ============================================ */

/* ── VARIABLES ── */
:root {
  --forest: #1a2e1e;
  --forest-mid: #243328;
  --forest-light: #2f4234;
  --sage: #8aab82;
  --sage-light: #c8dbc4;
  --sage-pale: #edf3eb;
  --cream: #f7f5f0;
  --white: #ffffff;
  --text-dark: #1a2e1e;
  --text-muted: #5a7060;
  --gold: #c9a96e;
  --gold-light: #e8d5b0;
  --border: rgba(26, 46, 30, 0.12);
  --transition: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── RESET ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--text-dark);
  overflow-x: hidden;
  padding-top: 72px;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--cream);
}

::-webkit-scrollbar-thumb {
  background: var(--forest-mid);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--forest);
}

/* ── NAV ── */
 /* ── NAV ── */
  nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
    padding: 0 5vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--cream);
    border-bottom: 1px solid var(--border);
    isolation: isolate;
  }

  nav a.nav-logo {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    text-decoration: none;
    padding-right: 2rem;
  }

  nav a.nav-logo img {
   
    height: 60px;
    width: auto;
    object-fit: contain;
  }

  .nav-links {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  nav .nav-links a {
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.3s;
  }

  nav .nav-links a:hover {
    color: var(--forest);
  }

  .nav-cta {
    flex: 0 0 auto;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.6rem 1.4rem;
    background: var(--forest);
    color: var(--cream) !important;
    border: none;
    border-radius: 2rem;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.3s;
  }

  .nav-cta:hover {
    background: var(--forest-light);
  }

  .hamburger {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.2s;
    border: none;
    background: transparent;
  }

  .hamburger:hover {
    background: rgba(26, 46, 30, 0.06);
  }

  .hamburger .bar {
    width: 20px;
    height: 1.5px;
    background: var(--forest);
    border-radius: 2px;
    display: block;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: center;
  }

  .hamburger .bar-mid {
    width: 13px;
    align-self: flex-end;
  }

  .hamburger.open .bar:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
    width: 20px;
  }

  .hamburger.open .bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  .hamburger.open .bar:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
    width: 20px;
  }

  /* ── MOBILE MENU ── */
  .mobile-menu {
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--forest);
    z-index: 999;
    display: flex;
    flex-direction: column;
    padding: 2rem 6vw 3rem;
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .mobile-menu-links {
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .mobile-menu-links a {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.2rem;
    font-style: italic;
    font-weight: 400;
    color: var(--white);
    text-decoration: none;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: color 0.2s;
  }

  .mobile-menu-links a:last-child {
    border-bottom: none;
  }

  .mobile-menu-links a:hover {
    color: var(--gold);
  }

  .mobile-arrow {
    font-style: normal;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.25);
    transition: transform 0.25s, color 0.25s;
  }

  .mobile-menu-links a:hover .mobile-arrow {
    transform: translateX(6px);
    color: var(--gold);
  }

  .mobile-menu-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .mobile-menu-cta {
    display: block;
    text-align: center;
    padding: 1rem;
    background: var(--gold);
    color: var(--forest) !important;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 0.3s;
  }

  .mobile-menu-cta:hover {
    background: var(--gold-light);
  }

  @media (max-width: 640px) {
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .hamburger { display: flex; }
  }

  .mobile-menu-info {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-menu-tagline {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage);
}

.mobile-menu-coords {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.mobile-coord {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.2s;
}

.mobile-coord:hover {
  color: var(--white);
}

.mobile-menu-socials {
  display: flex;
  gap: 0.6rem;
}

.mobile-social {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  transition: background 0.2s, color 0.2s;
}

.mobile-social:hover {
  background: var(--gold);
  color: var(--forest);
}

/* ── BUTTONS ── */
.btn-primary {
  padding: 0.9rem 2rem;
  background: var(--gold);
  color: var(--forest);
  border: none;
  border-radius: 2rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.3s, transform 0.2s;
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}

.btn-ghost {
  padding: 0.9rem 2rem;
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 2rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.3s, background 0.3s;
}

.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

/* ── SECTIONS COMMON ── */
section {
  padding: 7rem 8vw;
}

.section-tag {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.section-tag::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--sage);
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.2rem, 3.5vw, 3.4rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--forest);
  max-width: 640px;
}

.section-title em {
  font-style: italic;
  color: var(--sage);
}

/* ── HERO ── */
#accueil {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 72px;
  position: relative;
  z-index: 1;

}

.hero-left {
  background: var(--forest);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8vw 6vw 8vw 8vw;
}

.hero-tag {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.hero-tag::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--sage);
}

.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: italic;
  color: var(--gold);
}

.hero-desc {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--sage-light);
  max-width: 420px;
  margin-bottom: 3rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-right {
  position: relative;
  overflow: hidden;
}

.hero-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7) saturate(0.8);
}

.hero-stats {
  position: absolute;
  bottom: 2.5rem;
  left: 2.5rem;
  display: flex;
  gap: 0;
  background: rgba(26, 46, 30, 0.85);
  backdrop-filter: blur(8px);
  border-radius: 0.75rem;
  overflow: hidden;
}

.hero-stat {
  padding: 1.2rem 2rem;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat:last-child {
  border-right: none;
}

.hero-stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
  display: block;
}

.hero-stat-label {
  font-size: 0.72rem;
  color: var(--sage-light);
  letter-spacing: 0.06em;
  margin-top: 0.3rem;
  display: block;
}

/* ── ABOUT ── */
#a-propos {
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
  padding: 7rem 8vw;
}

.about-text .section-title {
  margin-bottom: 1.5rem;
}

.about-text p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-weight: 300;
}

.about-visual {
  position: relative;
}

.about-img-wrap {
  border-radius: 1rem;
  overflow: hidden;
  aspect-ratio: 4/5;
}

.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85);
}

.about-badge {
  position: absolute;
  bottom: -2rem;
  left: -2rem;
  background: var(--forest);
  color: var(--white);
  padding: 2rem;
  border-radius: 1rem;
  width: 200px;
}

.about-badge-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
  display: block;
}

.about-badge-text {
  font-size: 0.8rem;
  color: var(--sage-light);
  line-height: 1.4;
  margin-top: 0.4rem;
  display: block;
}

/* ── SERVICES ── */
/* ── SERVICES ── */
#services {
  background: var(--cream);
  padding: 7rem 0 7rem 8vw;
  overflow: hidden;
}

.services-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-right: 8vw;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.carousel-nav {
  display: flex;
  gap: 0.75rem;
  align-self: flex-end;
  margin-top: 0.5rem;
}
.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--forest);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
}

.carousel-btn:hover {
  background: var(--forest);
  color: var(--white);
  border-color: var(--forest);
  transform: scale(1.05);
}

.carousel-track-wrap {
  overflow: hidden;
  cursor: grab;
  user-select: none;
}

.carousel-track-wrap:active {
  cursor: grabbing;
}

.carousel-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.service-slide {
  flex: 0 0 calc(30% - 1rem);
  min-width: 0;
  background: var(--white);
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-slide:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(26, 46, 30, 0.1);
}

.service-slide-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.service-slide-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.9);
  transition: filter 0.5s, transform 0.5s;
}

.service-slide:hover .service-slide-img img {
  filter: saturate(1) brightness(1);
  transform: scale(1.04);
}

.service-slide-pill {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--forest);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.5rem 1.1rem;
  border-radius: 1rem;
}

.service-slide-body {
  padding: 2rem 1.8rem 01.2rem;
}

.service-slide-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.service-slide-list li {
  font-size: 0.95rem;
  color: var(--text-dark);
  font-weight: 400;
  line-height: 1.5;
  padding-left: 1.4rem;
  position: relative;
}

.service-slide-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 600;
}

@media (max-width: 960px) {
  .service-slide { flex: 0 0 calc(50% - 0.75rem); }
}

@media (max-width: 640px) {
  #services { padding: 4rem 0 4rem 6vw; }
  .services-header { padding-right: 6vw; }
  .service-slide { flex: 0 0 80vw; }
}


/* ── SECTEURS ── */
#secteurs {
  background: var(--forest);
  color: var(--white);
}

#secteurs .section-tag {
  color: var(--sage);
}

#secteurs .section-title {
  color: var(--white);
}

.secteurs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 4rem;
  border-radius: 1rem;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.secteur-item {
  background: var(--forest-mid);
  padding: 3rem 2.5rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}

.secteur-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--forest-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.secteur-item:hover::before {
  transform: scaleX(1);
}

.secteur-item > * {
  position: relative;
  z-index: 1;
}

.secteur-icon {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.secteur-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.8rem;
}

.secteur-desc {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--sage-light);
  font-weight: 300;
}

.secteur-tag {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s;
}

.secteur-item:hover .secteur-tag {
  opacity: 1;
  transform: translateY(0);
}

/* ── PROJETS ── */
/* ── PROJETS ── */
#projets {
  background: var(--cream);
  padding: 7rem 8vw;
}

.projets-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.projets-voir-btn {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.6rem 1.4rem;
  background: var(--forest);
  color: var(--cream);
  border: none;
  border-radius: 2rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.3s;
}

.projets-voir-btn:hover {
  background: var(--forest-light);
}

.filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-btn {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn.active {
  background: var(--forest);
  color: var(--white);
  border-color: var(--forest);
}

.filter-btn:hover:not(.active) {
  border-color: var(--sage);
  color: var(--forest);
}

.projets-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border-radius: 1rem;
  overflow: hidden;
}

.projet-row {
  background: var(--white);
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 2rem 2.5rem;
  transition: background 0.3s;
  cursor: default;
}

.projet-row:hover {
  background: var(--sage-pale);
}

.projet-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--sage);
  line-height: 1;
}

.projet-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--forest);
  margin-bottom: 0.3rem;
}

.projet-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 300;
}

.projet-badge {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  background: var(--sage-pale);
  color: var(--forest);
  border-radius: 2rem;
  white-space: nowrap;
}

/* ── OVERLAY ── */
.overlay-bg {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2000;
  align-items: flex-start;
  justify-content: center;
  padding: 3rem 2rem;
  overflow-y: auto;
}

.overlay-bg.open {
  display: flex;
}

.overlay-box {
  background: var(--cream);
  border-radius: 1.5rem;
  width: 100%;
  max-width: 860px;
  padding: 3rem;
  position: relative;
}

.overlay-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.overlay-close:hover {
  background: var(--sage-pale);
}

.overlay-filters {
  margin-bottom: 2rem;
}

.overlay-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.overlay-card {
  background: var(--white);
  border-radius: 0.75rem;
  padding: 1.4rem 1.6rem;
  border: 1px solid var(--border);
  transition: background 0.2s;
}

.overlay-card:hover {
  background: var(--sage-pale);
}

.overlay-card-num {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--sage);
  margin-bottom: 0.4rem;
  display: block;
}

.overlay-card-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--forest);
  margin-bottom: 0.3rem;
}

.overlay-card-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.5;
}

.overlay-card-badge {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  background: var(--sage-pale);
  color: var(--forest);
  border-radius: 99px;
}

@media (max-width: 640px) {
  .projets-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .projet-row { grid-template-columns: 50px 1fr; }
  .projet-badge { display: none; }
  .overlay-grid { grid-template-columns: 1fr; }
  .overlay-box { padding: 2rem 1.5rem; }
}

/* ------------------------------------------------------*/
/* ── CONTACT ── */

 
  
    /* LAYOUT */
    .contact-section {
      display: grid;
      grid-template-columns: 40% 60%;
      min-height: 100vh;
      margin: 0;
      padding: 0;
    }
 
    /* LEFT PANEL */
    .contact-left {
      background: #f0ece2;
      padding: 4rem 3.5rem;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
 
    .photo-row {
      display: flex;
      align-items: center;
      margin-bottom: 2.5rem;
    }
 
    .photo-circle {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      border: 3px solid rgba(255, 255, 255, 0.6);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Cormorant Garamond', serif;
      font-size: 22px;
      font-weight: 500;
      overflow: hidden;
    }
 
    .photo-circle img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
 
    .photo-circle:nth-child(1) {
      background: #b5c4a8;
      color: #2d3b28;
      z-index: 3;
    }
 
    .photo-circle:nth-child(3) {
      background: #8fa782;
      color: #2d3b28;
      z-index: 1;
    }
 
    .fusion-circle {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: #6b8c5e;
      border: 3px solid rgba(255, 255, 255, 0.6);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-left: -16px;
      margin-right: -16px;
      z-index: 2;
      flex-shrink: 0;
    }
 
    .fusion-circle svg {
      width: 24px;
      height: 24px;
      fill: none;
      stroke: #f0ece2;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }
 
    .contact-label {
      font-size: 11px;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      color: #5c6b52;
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
      gap: 10px;
    }
 
    .contact-label::before {
      content: '';
      width: 24px;
      height: 1.5px;
      background: #5c6b52;
    }
 
    .contact-heading {
      font-family: 'Cormorant Garamond', serif;
      font-size: 48px;
      font-weight: 700;
      color: #1e2b1a;
      line-height: 1.15;
      margin-bottom: 1.25rem;
    }
 
    .contact-heading em {
      font-style: italic;
      color: #7a9a6a;
    }
 
    .contact-desc {
      font-size: 16px;
      line-height: 1.7;
      color: #2a3525;
      font-weight: 500;
      margin-bottom: 2.5rem;
      max-width: 380px;
    }
 
    .contact-info {
      border-top: 1px solid rgba(80, 90, 70, 0.2);
      padding-top: 1.75rem;
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }
 
    .info-item-label {
      font-size: 11px;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: #5c6b52;
      font-weight: 500;
      margin-bottom: 3px;
    }
 
    .info-item-value {
      font-size: 16px;
      color: #1e2b1a;
      font-weight: 500;
    }
 
    .info-item-value a {
      color: #1e2b1a;
      text-decoration: none;
      transition: color 0.2s;
    }
 
    .info-item-value a:hover {
      color: #6b8c5e;
    }
 
    .social-row {
      display: flex;
      gap: 10px;
      margin-top: 2rem;
    }
 
    .social-icon {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #1e2b1a;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s;
      cursor: pointer;
    }
 
    .social-icon:hover {
      background: #6b8c5e;
    }
 
    .social-icon svg {
      width: 18px;
      height: 18px;
      fill: #f0ece2;
    }
 
    /* RIGHT PANEL — FORM */
    .contact-right {
      background: #f0ece2;
      padding: 2.5rem 5rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }
 
    .form-card {
      background: #ffffff;
      border-radius: 18px;
      padding: 2.75rem 2.5rem;
      width: 100%;
    }
 
    .form-group {
      margin-bottom: 1.5rem;
    }
 
    .form-label {
      font-size: 15px;
      font-weight: 500;
      color: #1e2b1a;
      margin-bottom: 8px;
      display: block;
    }
 
    .form-label .req {
      color: #c0654a;
      margin-left: 1px;
    }
 
    .form-input {
      width: 100%;
      padding: 14px 18px;
      font-family: 'DM Sans', sans-serif;
      font-size: 14px;
      color: #1e2b1a;
      background: #ffffff;
      border: 1px solid #d8ddd4;
      border-radius: 12px;
      outline: none;
      transition: border-color 0.2s;
    }
 
    .form-input:hover {
      border-color: #b0c0a6;
    }
 
    .form-input:focus {
      border-color: #6b8c5e;
    }
 
    .form-input::placeholder {
      color: #b0b8a8;
      font-size: 14px;
    }
 
    textarea.form-input {
      resize: vertical;
      min-height: 160px;
    }
 
    select.form-input {
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath fill='%23666' d='M3.5 5.25l3.5 3.5 3.5-3.5'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 16px center;
      padding-right: 40px;
      cursor: pointer;
    }
 
    .submit-btn {
      width: 100%;
      padding: 18px;
      background: #1e2b1a;
      color: #ffffff;
      font-family: 'DM Sans', sans-serif;
      font-size: 15px;
      font-weight: 500;
      border: none;
      border-radius: 12px;
      cursor: pointer;
      transition: background 0.25s;
      margin-top: 0.5rem;
    }
 
    .submit-btn:hover {
      background: #2e4228;
    }
 
    /* RESPONSIVE */
    @media (max-width: 900px) {
      .contact-section {
        grid-template-columns: 1fr;
        padding: 0;
      }

      
      .contact-left {
        padding: 3rem 2rem;
      }
 
      .contact-heading {
        font-size: 36px;
      }
 
      .contact-right {
        padding: 1.5rem 1rem 5rem 1rem ;
      }
 
      .form-card {
        padding: 2rem 1.5rem;
      }
    }
 
    @media (max-width: 480px) {
      
      
      .contact-left {
        padding: 2.5rem 1.5rem;
      }
 
      .contact-heading {
        font-size: 30px;
      }
 
      .photo-circle {
        width: 56px;
        height: 56px;
        font-size: 18px;
      }
 
      .fusion-circle {
        width: 44px;
        height: 44px;
      }
 
      .form-card {
        padding: 1.75rem 1.25rem;
        border-radius: 14px;
      }
 
      .form-input {
        padding: 12px 14px;
      }
    }
 
    /* ANIMATIONS */
    .contact-left > * {
      opacity: 0;
      transform: translateY(20px);
      animation: fadeUp 0.6s ease forwards;
    }
 
    .contact-left > *:nth-child(1) { animation-delay: 0.1s; }
    .contact-left > *:nth-child(2) { animation-delay: 0.2s; }
    .contact-left > *:nth-child(3) { animation-delay: 0.3s; }
    .contact-left > *:nth-child(4) { animation-delay: 0.4s; }
    .contact-left > *:nth-child(5) { animation-delay: 0.5s; }
    .contact-left > *:nth-child(6) { animation-delay: 0.6s; }
 
    .form-card {
      opacity: 0;
      transform: translateY(20px);
      animation: fadeUp 0.6s ease 0.3s forwards;
    }
 
    @keyframes fadeUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }



/* -----------------------------------------------------*/
/* ── FOOTER ── */
  footer {
    background: var(--forest);
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 4rem;
    padding: 4rem 8vw;
  }

  .footer-brand-logo {
  display: inline-flex;
  text-decoration: none;
  margin-bottom: 1rem;
  }

  .footer-brand-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
  }

  .footer-brand-tag {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--sage);
    margin-bottom: 1.2rem;
  }

  .footer-brand-desc {
    font-size: 0.82rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 300;
    max-width: 260px;
    margin-bottom: 1.5rem;
  }

  .footer-socials {
    display: flex;
    gap: 0.5rem;
  }

  .footer-social {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 0.5rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
  }

  .footer-social:hover {
    background: var(--gold);
    color: var(--forest);
  }

  .footer-col-title {
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--sage);
    margin-bottom: 1.2rem;
  }

  .footer-col-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
  }

  .footer-col-links a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s;
  }

  .footer-col-links a::before {
    content: '—';
    font-size: 0.65rem;
    color: var(--sage);
  }

  .footer-col-links a:hover {
    color: var(--gold);
  }

  .footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 0 8vw;
  }

  .footer-bottom {
    padding: 1.5rem 8vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .footer-copy {
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.25);
  }

  .footer-agree {
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.25);
  }

  @media (max-width: 960px) {
    .footer-top {
      grid-template-columns: 1fr 1fr;
      gap: 2.5rem;
    }
    .footer-brand {
      grid-column: 1 / -1;
    }
    .footer-brand-desc {
      max-width: 100%;
    }
  }

  @media (max-width: 640px) {
    .footer-top {
      grid-template-columns: 1fr;
      padding: 3rem 6vw;
    }
    .footer-divider { margin: 0 6vw; }
    .footer-bottom {
      padding: 1.2rem 6vw;
      flex-direction: column;
      align-items: flex-start;
      gap: 0.5rem;
    }
  }
/* ── SCROLL TOP ── */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--forest);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--sage);
}

/* ── ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }


/* ── SCROLL OFFSET pour nav fixe ── */
  #a-propos,
  #services,
  #secteurs,
  #projets,
  #contact {
    scroll-margin-top: 72px;
  }


/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  #accueil { grid-template-columns: 1fr; min-height: auto; padding: 0; }
  .hero-right { height: 50vw; min-height: 300px; }
  .hero-left { padding: 4rem 6vw; }
  #a-propos { grid-template-columns: 1fr; gap: 3rem; }
  .about-badge { bottom: 1rem; left: 1rem; }
  #contact { grid-template-columns: 1fr;  }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .secteurs-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  nav {
    justify-content: space-between;
  }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  section, #a-propos { padding: 4rem 6vw; }
  .services-grid { grid-template-columns: 1fr; }
  .services-header { flex-direction: column; align-items: flex-start; }
  .projet-row { grid-template-columns: 50px 1fr; }
  .projet-badge { display: none; }
  footer { flex-direction: column; align-items: flex-start; }
  .hero-stats { left: 1rem; bottom: 1rem; }
  .hero-stat { padding: 1rem 1.2rem; }
}