@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary:       #125E25;
  --primary-dark:  #0D4A1C;
  --primary-light: #1A7A32;
  --accent:        #BD801E;
  --accent-dark:   #9A6818;
  --accent-light:  #D4921F;
  --dark:          #0F1A14;
  --light:         #F7F5EF;
  --mid:           #E8E4D9;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--light);
  color: #1A1A1A;
  overflow-x: hidden;
  will-change: opacity, transform;
  animation: pageFadeIn .5s ease both;
}
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
/* reset will-change after load */
body.loaded { will-change: auto; }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ── Navigation ── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
  background: rgba(15, 26, 20, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(18,94,37,.25);
  transition: all .3s ease;
}
#navbar.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,.4); }

.nav-link {
  position: relative;
  padding: .5rem 1rem;
  font-size: .85rem;
  font-weight: 500;
  color: #CBD5E1;
  letter-spacing: .03em;
  text-decoration: none;
  transition: color .25s;
}
.nav-link::after {
  content: '';
  position: absolute; bottom: -2px; left: 50%; right: 50%;
  height: 2px;
  background: var(--accent);
  transition: left .25s, right .25s;
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link:hover::after, .nav-link.active::after { left: 1rem; right: 1rem; }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  background: #0A130D;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .22;
  transition: opacity .5s;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,19,13,.95) 0%, rgba(15,26,20,.80) 45%, rgba(18,94,37,.60) 100%);
  pointer-events: none;
}
.hero-pattern {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23BD801E' fill-opacity='0.04'%3E%3Cpath d='M40 40l40-40H40zM0 80l40-40H0z'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(189,128,30,.15);
  border: 1px solid rgba(189,128,30,.3);
  color: var(--accent);
  font-size: .75rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  padding: .4rem 1rem; border-radius: 2rem;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
}
.hero-title span { color: var(--accent); }

/* ── Sections ── */
.section-label {
  font-size: .7rem; font-weight: 700; letter-spacing: .15em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: .5rem;
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800; color: var(--dark); line-height: 1.15;
}
.section-title span { color: var(--primary); }
.gold-bar {
  display: block; width: 50px; height: 3px;
  background: var(--accent); margin: 1rem 0 1.5rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.75rem;
  font-size: .85rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  border-radius: 4px; text-decoration: none; cursor: pointer;
  transition: all .25s ease; border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(18,94,37,.3); }
.btn-accent  { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover  { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(189,128,30,.3); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.btn-outline-dark { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline-dark:hover { background: var(--primary); color: #fff; }

/* ── Cards ── */
.card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--mid);
  transition: transform .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(18,94,37,.12); }

.activity-card {
  background: #fff;
  border-radius: 8px;
  padding: 2rem;
  border: 1px solid var(--mid);
  position: relative; overflow: hidden;
  transition: all .3s;
}
.activity-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--primary);
  transition: width .35s;
}
.activity-card:hover { box-shadow: 0 12px 35px rgba(18,94,37,.12); transform: translateY(-4px); }
.activity-card:hover::before { background: var(--accent); }

.icon-box {
  width: 56px; height: 56px;
  border-radius: 10px;
  background: rgba(18,94,37,.08);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  transition: all .3s;
}
.activity-card:hover .icon-box { background: var(--primary); color: #fff; }

/* ── Stats ── */
.stat-number {
  font-size: 2.75rem; font-weight: 800;
  color: var(--accent); line-height: 1;
}

/* ── Page header ── */
.page-header {
  padding: 7.5rem 0 3.5rem;
  background: #0A130D;
  position: relative; overflow: hidden;
}
.page-header-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .18;
}
.page-header-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,19,13,.96) 0%, rgba(15,26,20,.85) 50%, rgba(18,94,37,.70) 100%);
}
.page-header-pattern {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23BD801E' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
}
.breadcrumb { font-size: .8rem; color: rgba(255,255,255,.5); }
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb span { color: #fff; font-weight: 500; }

/* ── Footer ── */
footer { background: #070E09; color: #9CA3AF; }
.footer-link { color: #9CA3AF; text-decoration: none; font-size: .875rem; transition: color .2s; }
.footer-link:hover { color: var(--accent); }

/* ── Form ── */
.form-group label { display: block; font-size: .8rem; font-weight: 600; color: #374151; margin-bottom: .4rem; letter-spacing: .03em; }
.form-control {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid #D1D5DB;
  border-radius: 4px;
  font-size: .9rem;
  font-family: inherit;
  background: #fff;
  color: #1A1A1A;
  transition: border-color .2s, box-shadow .2s;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(18,94,37,.1); }
textarea.form-control { resize: vertical; min-height: 140px; }

/* ── WhatsApp float ── */
.wa-float {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  text-decoration: none;
  transition: transform .25s, box-shadow .25s;
}
.wa-float:hover { transform: scale(1.12); box-shadow: 0 6px 28px rgba(37,211,102,.55); }

/* ── Project cards ── */
.project-card {
  border-radius: 10px; overflow: hidden;
  background: #fff; border: 1px solid var(--mid);
  transition: all .3s;
}
.project-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(18,94,37,.15); }
.project-img {
  height: 210px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.project-img img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
}
.project-card:hover .project-img img { transform: scale(1.07); }
.project-img-overlay {
  position: absolute; inset: 0;
  background: rgba(10,19,13,.52);
  transition: background .3s;
}
.project-card:hover .project-img-overlay { background: rgba(10,19,13,.42); }

/* ── Gold gallery strip ── */
.gold-gallery {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 0;
  height: 320px;
  overflow: hidden;
}
.gold-gallery-item {
  position: relative; overflow: hidden;
}
.gold-gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
}
.gold-gallery-item:hover img { transform: scale(1.06); }
.gold-gallery-item-overlay {
  position: absolute; inset: 0;
  background: rgba(10,19,13,.38);
  display: flex; align-items: flex-end;
  padding: 1.25rem;
  transition: background .3s;
}
.gold-gallery-item:hover .gold-gallery-item-overlay { background: rgba(10,19,13,.22); }
@media (max-width: 640px) {
  .gold-gallery { grid-template-columns: 1fr; height: auto; }
  .gold-gallery-item { height: 180px; }
}
@media (min-width: 641px) and (max-width: 768px) {
  .gold-gallery { grid-template-columns: repeat(2,1fr); height: 260px; }
  .gold-gallery-item:nth-child(3) { display: none; }
}

/* ── Partner cards ── */
.partner-card {
  background: #fff; border: 1px solid var(--mid); border-radius: 8px;
  padding: 2rem; text-align: center;
  transition: all .3s;
}
.partner-card:hover { border-color: var(--accent); box-shadow: 0 8px 25px rgba(189,128,30,.12); }

/* ── Dividers ── */
.divider-gold { height: 1px; background: linear-gradient(to right, transparent, var(--accent), transparent); }

/* ── Reveal animation ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-28px); transition: opacity .65s ease, transform .65s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(28px); transition: opacity .65s ease, transform .65s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ── Delays ── */
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .3s; }
.delay-4 { transition-delay: .4s; }
.delay-5 { transition-delay: .5s; }

/* ── Alert ── */
.alert {
  padding: 1rem 1.25rem; border-radius: 6px; font-size: .9rem;
  margin-bottom: 1.25rem; display: flex; align-items: flex-start; gap: .75rem;
}
.alert-success { background: rgba(18,94,37,.08); border: 1px solid rgba(18,94,37,.25); color: var(--primary-dark); }
.alert-error   { background: rgba(185,28,28,.06); border: 1px solid rgba(185,28,28,.2); color: #991B1B; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .section-title { font-size: 1.75rem; }
  .page-header { padding: 6.5rem 0 2.5rem; }
  .hero-title { font-size: clamp(1.85rem, 7vw, 2.6rem) !important; }
  .stat-number { font-size: 2rem; }
  .btn { padding: .65rem 1.25rem; font-size: .8rem; }
  .activity-card { padding: 1.5rem; }
}
@media (max-width: 480px) {
  .page-header { padding: 6rem 0 2rem; }
  .hero-badge { font-size: .65rem; }
}

/* ── Stats section bg ── */
.stats-bg-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .12;
}

/* ── About image panel ── */
.about-img-panel {
  position: relative; border-radius: 1rem; overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,.3);
}
.about-img-panel img.main-img {
  width: 100%; height: 440px;
  object-fit: cover; display: block;
}
@media (max-width: 768px) {
  .about-img-panel img.main-img { height: 260px; }
}

/* ════════════════════════════════════════
   EFFETS DE GLISSEMENT
   ════════════════════════════════════════ */

/* ── 1. Navbar slide-down à l'entrée ── */
@keyframes navSlideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}
#navbar {
  will-change: transform, opacity;
  animation: navSlideDown .55s cubic-bezier(.16,1,.3,1) both;
}

/* ── 2. Reveal amélioré (spring cubic-bezier) ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .65s cubic-bezier(.16,1,.3,1),
              transform .65s cubic-bezier(.16,1,.3,1);
  will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: translateY(0); will-change: auto; }

.reveal-left {
  opacity: 0; transform: translateX(-32px);
  transition: opacity .65s cubic-bezier(.16,1,.3,1),
              transform .65s cubic-bezier(.16,1,.3,1);
  will-change: opacity, transform;
}
.reveal-left.visible { opacity: 1; transform: translateX(0); will-change: auto; }

.reveal-right {
  opacity: 0; transform: translateX(32px);
  transition: opacity .65s cubic-bezier(.16,1,.3,1),
              transform .65s cubic-bezier(.16,1,.3,1);
  will-change: opacity, transform;
}
.reveal-right.visible { opacity: 1; transform: translateX(0); will-change: auto; }

/* ── 3. Mobile menu slide-down ── */
@keyframes menuSlideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
#mobileMenu.menu-open {
  animation: menuSlideDown .32s cubic-bezier(.16,1,.3,1) both;
}

/* ── 4. Bouton shimmer (lumière qui glisse) ── */
.btn { position: relative; overflow: hidden; isolation: isolate; }
.btn::after {
  content: '';
  position: absolute;
  top: -60%; left: -80%;
  width: 45%; height: 220%;
  background: linear-gradient(
    to right,
    transparent,
    rgba(255,255,255,.22),
    transparent
  );
  transform: skewX(-20deg);
  transition: left 0s, opacity 0s;
  opacity: 0;
  pointer-events: none;
}
.btn:hover::after {
  opacity: 1;
  left: 130%;
  transition: left .55s ease, opacity .05s;
}

/* ── 5. Activity card — bordure accent qui glisse de gauche ── */
.activity-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .45s cubic-bezier(.16,1,.3,1);
  will-change: transform;
}
.activity-card:hover::after { transform: scaleX(1); }

/* ── 6. Gold-bar shimmer ── */
.gold-bar {
  position: relative;
  overflow: hidden;
}
.gold-bar::after {
  content: '';
  position: absolute;
  inset: 0 -100% 0 -100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,255,255,.55) 50%,
    transparent 100%
  );
  animation: goldShimmer 3s 1.2s ease-in-out infinite;
  will-change: transform;
}
@keyframes goldShimmer {
  0%   { transform: translateX(-100%); }
  60%, 100% { transform: translateX(200%); }
}

/* ── 7. Footer link underline qui glisse de gauche ── */
.footer-link {
  position: relative;
  display: inline-block;
}
.footer-link::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .3s cubic-bezier(.16,1,.3,1);
  will-change: width;
}
.footer-link:hover::after { width: 100%; }

/* ── 8. Project card — image zoom + badge slide ── */
.project-img .project-img-overlay {
  transition: background .35s ease;
}
.project-card:hover .project-img-overlay { background: rgba(10,19,13,.3); }

/* ── 9. Card border slide (hover élévation + décalage) ── */
.card {
  transition: transform .3s cubic-bezier(.16,1,.3,1), box-shadow .3s ease;
  will-change: transform;
}
.card:hover {
  transform: translateY(-5px) translateX(2px);
  box-shadow: -3px 16px 38px rgba(18,94,37,.13);
}

/* ── 10. Flèche qui glisse vers la droite au hover ── */
@keyframes arrowNudge {
  0%,100% { transform: translateX(0); }
  50%     { transform: translateX(5px); }
}
a:hover .arrow-anim {
  animation: arrowNudge .5s ease-in-out infinite;
}

/* ── 11. Hero image parallax (géré JS, transition fluide) ── */
.hero-img {
  will-change: transform;
  transition: transform .05s linear;
}
.page-header-img {
  will-change: transform;
  transition: transform .05s linear;
}

/* ── 12. Gallery item — caption slide du bas ── */
.gold-gallery-item-overlay {
  transform: translateY(8px);
  transition: transform .35s cubic-bezier(.16,1,.3,1),
              background .35s ease;
}
.gold-gallery-item:hover .gold-gallery-item-overlay {
  transform: translateY(0);
  background: rgba(10,19,13,.16);
}

/* ── 13. Section label slide + fade ── */
.section-label {
  display: inline-block;
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity .5s ease, transform .5s cubic-bezier(.16,1,.3,1);
}
.section-label.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ── 14. About img panel — overlay glisse vers le haut au hover ── */
.about-img-panel .slide-caption {
  transform: translateY(10px);
  opacity: .9;
  transition: transform .35s cubic-bezier(.16,1,.3,1), opacity .3s;
}
.about-img-panel:hover .slide-caption {
  transform: translateY(0);
  opacity: 1;
}

/* ── 15. Partner card slide ── */
.partner-card {
  transition: transform .3s cubic-bezier(.16,1,.3,1),
              border-color .3s, box-shadow .3s;
  will-change: transform;
}
.partner-card:hover {
  transform: translateY(-4px);
}

/* ── 16. Stat items — glissement vertical décalé ── */
.stat-slide {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease,
              transform .6s cubic-bezier(.16,1,.3,1);
  will-change: opacity, transform;
}
.stat-slide.visible { opacity: 1; transform: translateY(0); will-change: auto; }