/* ============================================================
   ECO.BAT AVENIR — Feuille de styles principale
   Palette : bleu très foncé / noir · vert · jaune doré · blanc
   ============================================================ */

/* ---------- 1. Reset & variables ---------- */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --ink:        #050d15;
  --ink-2:      #0a1723;
  --ink-3:      #102534;
  --ink-4:      #163246;
  --green:      #2fa362;
  --green-2:    #3fbf76;
  --green-dark: #1d7345;
  --gold:       #d4af37;
  --gold-2:     #e8cb74;
  --gold-dark:  #a8871f;
  --white:      #ffffff;
  --off:        #f5f7f6;
  --muted:      #7d8d9b;
  --muted-2:    #5b6b78;
  --line:       rgba(255,255,255,.14);
  --line-dark:  rgba(5,13,21,.10);
  --font-title: 'Cormorant Garamond', 'Times New Roman', serif;
  --font:       'Jost', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --shadow-soft: 0 10px 30px rgba(5,13,21,.08);
  --shadow-strong: 0 26px 60px rgba(5,13,21,.22);
  --radius: 16px;
  --ease: cubic-bezier(.2,.7,.2,1);
  --header-h: 84px;
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--white);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
figure { margin: 0; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 600;
  line-height: 1.14;
  margin: 0 0 .5em;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2.4rem, 8vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 5.4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3.4vw, 1.6rem); }
h4 { font-size: 1.05rem; font-family: var(--font); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
em { font-style: italic; color: var(--gold); }
strong { font-weight: 600; }

::selection { background: var(--gold); color: var(--ink); }

/* ---------- 2. Utilitaires ---------- */
.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 22px; }
.narrow { max-width: 900px; }
.section { padding: 78px 0; }
.section.alt { background: var(--off); }
.center { text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.eyebrow.dark { color: var(--green); }
.eyebrow.light { color: var(--gold-2); }

.section-head { max-width: 760px; margin: 0 0 46px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head.light h2 { color: var(--white); }
.section-head p { color: var(--muted-2); font-size: 1.03rem; }
.h2-flow { margin-bottom: 18px; }
.lead { font-size: 1.06rem; color: var(--muted-2); }

.glass {
  background: rgba(255,255,255,.09);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.20);
}

/* ---------- 3. Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s, color .3s, border-color .3s;
}
.btn svg { flex: 0 0 auto; }
.btn-gold { background: linear-gradient(135deg, var(--gold) 0%, var(--gold-2) 100%); color: var(--ink); }
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(212,175,55,.32); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: var(--ink-3); transform: translateY(-3px); box-shadow: var(--shadow-strong); }
.btn-ghost { background: rgba(255,255,255,.06); color: var(--white); border-color: rgba(255,255,255,.42); backdrop-filter: blur(10px); }
.btn-ghost:hover { background: var(--white); color: var(--ink); border-color: var(--white); transform: translateY(-3px); }
.btn-block { width: 100%; }

/* ---------- 4. Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 960;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), backdrop-filter .4s;
}
.site-header .header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.site-header.solid,
.site-header.scrolled {
  background: rgba(5,13,21,.90);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(0,0,0,.28);
}
.site-header.solid .header-inner { padding-top: 12px; padding-bottom: 12px; }

.logo { display: flex; align-items: center; gap: 12px; color: var(--white); flex: 0 0 auto; }
.logo svg { flex: 0 0 auto; }
.logo-txt {
  font-family: var(--font-title);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: .06em;
  white-space: nowrap;
  line-height: 1;
}
.logo-txt em { font-style: normal; color: var(--gold); margin-left: .28em; font-weight: 500; }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav > a {
  position: relative;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: rgba(255,255,255,.86);
  padding: 6px 0;
  transition: color .3s;
}
.main-nav > a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width .35s var(--ease);
}
.main-nav > a:hover, .main-nav > a.active { color: var(--white); }
.main-nav > a:hover::after, .main-nav > a.active::after { width: 100%; }
.nav-foot { display: none; }

.burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 44px; height: 44px;
  padding: 11px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 50%;
  cursor: pointer;
  color: var(--white);
  backdrop-filter: blur(10px);
}
.burger span {
  display: block;
  width: 22px; height: 2px;
  background: currentColor;
  transition: transform .35s var(--ease), opacity .25s;
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 56px) 0 90px;
  overflow: hidden;
  color: var(--white);
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-veil {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(105deg, rgba(5,13,21,.94) 0%, rgba(5,13,21,.80) 42%, rgba(10,23,35,.55) 100%),
    radial-gradient(700px 420px at 88% 18%, rgba(47,163,98,.34), transparent 70%),
    radial-gradient(560px 380px at 12% 88%, rgba(212,175,55,.20), transparent 72%);
}
.hero-content { position: relative; z-index: 2; width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 22px; }
.hero-content h1 { color: var(--white); max-width: 15ch; margin-bottom: 22px; }
.hero-content h1 em { color: var(--gold); }
.hero .eyebrow { color: var(--gold-2); padding: 9px 18px; border-radius: 40px; margin-bottom: 24px; }
.hero-sub { max-width: 58ch; font-size: 1.06rem; color: rgba(255,255,255,.82); margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; }
.badge-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: 40px;
  font-size: .78rem;
  letter-spacing: .06em;
  color: rgba(255,255,255,.9);
}
.badge-item svg { color: var(--green-2); }
.hero-scroll {
  position: absolute;
  left: 50%; bottom: 34px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: .64rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
}
.hero-scroll i { display: block; width: 1px; height: 46px; background: linear-gradient(180deg, var(--gold), transparent); }

/* ---------- 6. Page hero ---------- */
.page-hero {
  position: relative;
  min-height: 62vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + 60px) 0 66px;
  overflow: hidden;
  color: var(--white);
}
.page-hero.short { min-height: 52vh; }
.page-hero-media { position: absolute; inset: 0; z-index: 0; }
.page-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero-veil {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(5,13,21,.72) 0%, rgba(5,13,21,.90) 78%),
    radial-gradient(600px 340px at 82% 22%, rgba(47,163,98,.28), transparent 70%);
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero-content h1 { color: var(--white); margin-bottom: 14px; }
.page-hero-content p { max-width: 60ch; color: rgba(255,255,255,.8); }
.crumbs { display: flex; gap: 10px; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.6); margin-bottom: 20px; }
.crumbs a:hover { color: var(--gold); }

/* ---------- 7. Intro (texte + image) ---------- */
.intro-grid { display: grid; grid-template-columns: 1fr; gap: 44px; align-items: center; }
.intro-media { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-strong); }
.intro-media img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; }
.intro-tag {
  position: absolute;
  left: 18px; bottom: 18px;
  padding: 16px 22px;
  border-radius: 14px;
  color: var(--white);
  text-align: center;
  background: rgba(5,13,21,.55);
}
.intro-tag strong { display: block; font-family: var(--font-title); font-size: 2.1rem; line-height: 1; color: var(--gold); }
.intro-tag strong span { color: var(--green-2); }
.intro-tag > span:last-child { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.78); }
.intro-text h2 { margin-bottom: 20px; }

.check-list { margin: 24px 0 30px; display: grid; gap: 12px; }
.check-list li { display: flex; align-items: flex-start; gap: 12px; font-size: .96rem; color: var(--muted-2); }
.check-list svg { flex: 0 0 auto; margin-top: 5px; color: var(--green); }

/* ---------- 8. Cartes services (hover 3D) ---------- */
.cards-grid { display: grid; grid-template-columns: 1fr; gap: 22px; perspective: 1400px; }
.card {
  position: relative;
  padding: 34px 28px;
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transform-style: preserve-3d;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .4s;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--ease);
}
.card:hover {
  transform: translateY(-10px) rotateX(3.2deg) rotateY(-3.2deg);
  box-shadow: 0 34px 60px rgba(5,13,21,.18);
  border-color: rgba(212,175,55,.45);
}
.card:hover::before { transform: scaleX(1); }
.card-ico {
  width: 62px; height: 62px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  margin-bottom: 22px;
  color: var(--green);
  background: linear-gradient(135deg, rgba(47,163,98,.12), rgba(212,175,55,.14));
  border: 1px solid rgba(47,163,98,.20);
  transition: color .4s, background .4s;
}
.card:hover .card-ico { color: var(--ink); background: linear-gradient(135deg, var(--green-2), var(--gold-2)); }
.card h3 { margin-bottom: 12px; }
.card p { font-size: .95rem; color: var(--muted-2); }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green-dark);
  transition: gap .3s var(--ease), color .3s;
}
.card-link:hover { gap: 14px; color: var(--gold-dark); }

/* ---------- 9. Bandeau engagements ---------- */
.stats-band {
  background:
    radial-gradient(700px 380px at 8% 10%, rgba(47,163,98,.24), transparent 70%),
    radial-gradient(620px 360px at 92% 90%, rgba(212,175,55,.18), transparent 72%),
    linear-gradient(150deg, var(--ink) 0%, var(--ink-3) 100%);
  padding: 62px 0;
}
.stats-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.stat {
  padding: 26px 22px;
  border-radius: var(--radius);
  color: var(--white);
  text-align: center;
  transition: transform .45s var(--ease), background .4s;
}
.stat svg { color: var(--green-2); margin-bottom: 14px; }
.stat strong { display: block; font-family: var(--font-title); font-size: 1.75rem; font-weight: 700; color: var(--gold); letter-spacing: .01em; }
.stat > span:last-child { display: block; margin-top: 6px; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.68); }
.stat:hover { transform: translateY(-6px); background: rgba(255,255,255,.15); }

/* ---------- 10. Aperçu réalisations ---------- */
.preview-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.preview-item {
  position: relative;
  display: block;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-soft);
}
.preview-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.preview-item::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 38%, rgba(5,13,21,.86));
  transition: opacity .4s;
}
.preview-item span {
  position: absolute;
  left: 20px; bottom: 18px;
  z-index: 2;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--white);
}
.preview-item:hover img { transform: scale(1.09); }
.center-cta { text-align: center; margin-top: 40px; }

/* ---------- 11. Processus ---------- */
.process {
  background:
    radial-gradient(620px 320px at 88% 12%, rgba(47,163,98,.26), transparent 70%),
    linear-gradient(150deg, var(--ink) 0%, var(--ink-2) 55%, var(--ink-3) 100%);
  color: var(--white);
}
.process .section-head h2 { color: var(--white); }
.steps-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.step {
  padding: 30px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.045);
  backdrop-filter: blur(10px);
  transition: transform .45s var(--ease), border-color .4s, background .4s;
}
.step:hover { transform: translateY(-7px); border-color: rgba(212,175,55,.45); background: rgba(255,255,255,.08); }
.step-num {
  display: inline-block;
  font-family: var(--font-title);
  font-size: 1.75rem;
  color: var(--gold);
  margin-bottom: 10px;
  line-height: 1;
}
.step h3 { color: var(--white); font-size: 1.3rem; margin-bottom: 10px; }
.step p { font-size: .93rem; color: rgba(255,255,255,.72); }
.steps-grid.dark .step h3 { color: var(--ink-2); }
.steps-grid.dark .step p { color: var(--muted-2); }
.steps-grid.dark .step { background: var(--white); border-color: var(--line-dark); box-shadow: var(--shadow-soft); }
.steps-grid.dark .step:hover { background: var(--white); }

/* ---------- 12. FAQ ---------- */
.faq-list { display: grid; gap: 14px; max-width: 900px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: var(--shadow-soft);
  transition: border-color .35s, box-shadow .35s;
}
.faq-item[open] { border-color: rgba(47,163,98,.42); box-shadow: 0 16px 40px rgba(5,13,21,.10); }
.faq-item summary {
  cursor: pointer;
  font-family: var(--font-title);
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--ink-2);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '';
  flex: 0 0 auto;
  width: 11px; height: 11px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg) translateY(-3px);
  transition: transform .35s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.faq-item p { margin-top: 14px; font-size: .95rem; color: var(--muted-2); }

/* ---------- 13. Bandeau CTA ---------- */
.cta-band {
  position: relative;
  padding: 66px 0;
  color: var(--white);
  background:
    radial-gradient(560px 320px at 12% 20%, rgba(212,175,55,.24), transparent 70%),
    radial-gradient(620px 340px at 88% 80%, rgba(47,163,98,.28), transparent 72%),
    linear-gradient(120deg, var(--ink) 0%, var(--ink-3) 100%);
}
.cta-inner { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: center; }
.cta-inner h2 { color: var(--white); margin: 0; font-size: clamp(1.6rem, 4.6vw, 2.5rem); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 14. Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.72); padding-top: 66px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 38px; padding-bottom: 48px; }
.footer-brand p { font-size: .93rem; margin: 18px 0 22px; max-width: 42ch; }
.footer-col h4 { color: var(--white); font-size: .78rem; letter-spacing: .2em; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { font-size: .92rem; transition: color .3s, padding-left .3s; }
.footer-col a:hover { color: var(--gold); padding-left: 5px; }
.contact-list li { display: flex; gap: 12px; font-size: .92rem; align-items: flex-start; }
.contact-list svg { flex: 0 0 auto; margin-top: 4px; color: var(--green-2); }
.socials { display: flex; gap: 12px; flex-wrap: wrap; }
.socials a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--white);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  transition: transform .35s var(--ease), background .3s, color .3s, border-color .3s;
}
.socials a:hover { background: var(--gold); color: var(--ink); border-color: var(--gold); transform: translateY(-4px); }
.socials.light a { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.3); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.10); padding: 20px 0; }
.footer-bottom .wrap { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; justify-content: space-between; }
.footer-bottom p { margin: 0; font-size: .82rem; color: rgba(255,255,255,.55); }
.admin-link { font-size: .78rem; letter-spacing: .1em; color: rgba(255,255,255,.42); }
.admin-link:hover { color: var(--gold); }

/* ---------- 15. Services — blocs détaillés ---------- */
.feature { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: center; margin-bottom: 60px; scroll-margin-top: calc(var(--header-h) + 20px); }
.feature:last-child { margin-bottom: 0; }
.feature-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-strong); }
.feature-media img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; transition: transform .8s var(--ease); }
.feature-media:hover img { transform: scale(1.05); }
.feature-text .eyebrow { margin-bottom: 12px; }
.prestation-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.prestation { border-radius: 14px; overflow: hidden; background: var(--white); border: 1px solid var(--line-dark); box-shadow: var(--shadow-soft); transition: transform .45s var(--ease), box-shadow .45s var(--ease); }
.prestation img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.prestation figcaption { padding: 16px 18px 20px; }
.prestation strong { display: block; font-family: var(--font-title); font-size: 1.16rem; color: var(--ink-2); }
.prestation span { font-size: .82rem; color: var(--muted); }
.prestation:hover { transform: translateY(-8px); box-shadow: 0 26px 50px rgba(5,13,21,.16); }

/* ---------- 16. Réalisations — filtres & galerie ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter-btn {
  padding: 10px 20px;
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: 40px;
  cursor: pointer;
  transition: all .3s var(--ease);
}
.filter-btn:hover { border-color: var(--gold); color: var(--ink-2); }
.filter-btn.active { background: var(--ink); color: var(--gold); border-color: var(--ink); }
.gallery-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.gallery-item {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), opacity .35s;
}
.gallery-item img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .7s var(--ease); }
.gallery-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 40px 18px 16px;
  background: linear-gradient(180deg, transparent, rgba(5,13,21,.92));
  color: var(--white);
}
.gallery-item figcaption strong { display: block; font-family: var(--font-title); font-size: 1.1rem; }
.gallery-item figcaption span { font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-2); }
.gallery-item:hover { transform: translateY(-6px); box-shadow: 0 26px 50px rgba(5,13,21,.22); }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item.hide { display: none; }
.gallery-empty { text-align: center; color: var(--muted); margin-top: 30px; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(5,13,21,.94);
  opacity: 0;
  transition: opacity .3s;
}
.lightbox.active { opacity: 1; }
.lightbox img { max-width: 92%; max-height: 84vh; object-fit: contain; border-radius: 6px; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.lightbox-close {
  position: absolute;
  top: 18px; right: 24px;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  line-height: 1;
  color: var(--white);
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 50%;
  cursor: pointer;
  transition: background .3s, transform .3s;
}
.lightbox-close:hover { background: var(--gold); color: var(--ink); transform: rotate(90deg); }
.lightbox-caption { position: absolute; bottom: 22px; left: 0; right: 0; text-align: center; color: rgba(255,255,255,.72); font-size: .86rem; letter-spacing: .08em; }

/* ---------- 17. Contact ---------- */
.contact-section {
  background:
    radial-gradient(680px 380px at 88% 8%, rgba(47,163,98,.26), transparent 70%),
    radial-gradient(560px 340px at 6% 92%, rgba(212,175,55,.18), transparent 72%),
    linear-gradient(155deg, var(--ink) 0%, var(--ink-2) 50%, var(--ink-3) 100%);
  color: var(--white);
}
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 26px; }
.contact-form-wrap {
  padding: 32px 24px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(255,255,255,.7);
  box-shadow: var(--shadow-strong);
  color: var(--ink-2);
}
.contact-form-wrap h2 { margin-bottom: 10px; }
.form-intro { font-size: .93rem; color: var(--muted-2); margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .78rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 8px; }
.field label span { color: var(--green); }
.field input, .field select, .field textarea {
  width: 100%;
  max-width: 100%;
  padding: 13px 15px;
  font-family: var(--font);
  font-size: .96rem;
  font-weight: 300;
  color: var(--ink-2);
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  transition: border-color .3s, box-shadow .3s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(47,163,98,.14);
}
.field input.invalid, .field textarea.invalid { border-color: #c0392b; box-shadow: 0 0 0 3px rgba(192,57,43,.12); }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: .85rem; color: var(--muted-2); margin: 6px 0 22px; cursor: pointer; }
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--green); flex: 0 0 auto; }
.form-note { margin: 16px 0 0; font-size: .9rem; min-height: 1.4em; }
.form-note.ok { color: var(--green-dark); }
.form-note.err { color: #c0392b; }
.btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }

.contact-info { display: grid; gap: 20px; align-content: start; }
.info-card { padding: 28px 24px; border-radius: var(--radius); }
.info-card h3 { color: var(--white); font-size: 1.4rem; margin-bottom: 20px; }
.info-card .contact-list { display: grid; gap: 18px; }
.info-card .contact-list li { color: rgba(255,255,255,.78); }
.info-card .contact-list strong { display: block; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); font-weight: 500; margin-bottom: 3px; }
.info-card .contact-list a:hover { color: var(--gold); }
.info-card.info-dark { background: rgba(47,163,98,.14); border: 1px solid rgba(47,163,98,.32); backdrop-filter: blur(14px); }
.info-card.info-dark p { font-size: .93rem; color: rgba(255,255,255,.78); margin-bottom: 20px; }
.info-card.info-dark .socials { margin-top: 20px; }

.map-section .map-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-strong); line-height: 0; }
.map-section .map-frame iframe { display: block; width: 100%; border: 0; }
.map-cta { text-align: center; margin-top: 26px; }

/* ---------- 18. À propos ---------- */
.zones { display: grid; grid-template-columns: 1fr; gap: 16px; }
.zone {
  padding: 24px 22px;
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--line-dark);
  box-shadow: var(--shadow-soft);
  transition: transform .4s var(--ease), border-color .4s;
}
.zone:hover { transform: translateY(-6px); border-color: rgba(47,163,98,.4); }
.zone h4 { color: var(--green-dark); margin-bottom: 8px; }
.zone p { font-size: .92rem; color: var(--muted-2); margin: 0; }
.why-grid { display: grid; grid-template-columns: 1fr; gap: 34px; align-items: center; }
.why-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-strong); }
.why-media img { width: 100%; height: 100%; min-height: 300px; object-fit: cover; }
.mini-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 26px 0 30px; }
.mini { padding: 18px 20px; border-left: 3px solid var(--green); background: var(--white); border-radius: 0 12px 12px 0; box-shadow: var(--shadow-soft); }
.mini strong { display: block; font-family: var(--font-title); font-size: 1.14rem; color: var(--ink-2); margin-bottom: 4px; }
.mini span { font-size: .88rem; color: var(--muted-2); }

/* ---------- 19. Animations d'apparition ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

/* Filet de sécurité : même si l'observateur ne se déclenche pas
   (contenu injecté dynamiquement, navigateur ancien), tout devient visible. */
@keyframes revealFallback { to { opacity: 1; transform: translateY(0); } }
.reveal { animation: revealFallback .9s ease 1.6s forwards; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   20. RESPONSIVE
   ============================================================ */

/* ---- Tablette ---- */
@media (min-width: 600px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .preview-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .prestation-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .zones { grid-template-columns: repeat(2, 1fr); }
  .mini-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .section { padding: 100px 0; }
  .prestation-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .preview-grid { grid-template-columns: repeat(3, 1fr); }
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
  .steps-grid { grid-template-columns: repeat(4, 1fr); }
  .zones { grid-template-columns: repeat(4, 1fr); }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .cta-inner { grid-template-columns: 1.4fr 1fr; }
  .cta-actions { justify-content: flex-end; }
}

@media (min-width: 992px) {
  .intro-grid { grid-template-columns: 1fr 1.05fr; gap: 60px; }
  .contact-grid { grid-template-columns: 1.35fr 1fr; }
  .contact-form-wrap { padding: 44px 40px; }
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; }
  .why-grid { grid-template-columns: 1fr 1fr; gap: 54px; }
  .feature { grid-template-columns: 1fr 1fr; gap: 54px; margin-bottom: 86px; }
  .feature.reverse .feature-media { order: 2; }
  .prestation-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ---- Mobile / petit écran : on empile TOUT ---- */
@media (max-width: 991px) {
  .header-cta { display: none; }

  .burger { display: flex; }

  /* Menu ouvert : fond du header neutralise pour laisser voir le panneau */
  body.nav-open .site-header {
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 950;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 6px;
    padding: 96px 26px 42px;
    background: rgba(5,13,21,.93);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform: translateY(-100%);
    visibility: hidden;
    opacity: 0;
    transition: transform .55s var(--ease), opacity .35s ease, visibility .55s;
    overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); visibility: visible; opacity: 1; }

  .main-nav > a {
    font-family: var(--font-title);
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: none;
    color: var(--white);
    padding: 12px 0;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .5s var(--ease), transform .5s var(--ease), color .3s;
  }
  .main-nav > a::after { display: none; }

  /* Centrage vertical souple : le menu reste lisible meme si le contenu
     depasse la hauteur de l'ecran (petits telephones). */
  .main-nav > a:nth-child(1) { margin-top: auto; }
  .main-nav > a:hover, .main-nav > a.active { color: var(--gold); }
  .main-nav.open > a { opacity: 1; transform: none; }
  .main-nav.open > a:nth-child(1) { transition-delay: .10s; }
  .main-nav.open > a:nth-child(2) { transition-delay: .16s; }
  .main-nav.open > a:nth-child(3) { transition-delay: .22s; }
  .main-nav.open > a:nth-child(4) { transition-delay: .28s; }
  .main-nav.open > a:nth-child(5) { transition-delay: .34s; }

  .nav-foot {
    display: grid;
    gap: 14px;
    justify-items: center;
    margin-top: 28px;
    padding-top: 26px;
    border-top: 1px solid rgba(255,255,255,.14);
    width: min(320px, 100%);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .5s var(--ease), transform .5s var(--ease);
  }
  .main-nav.open .nav-foot { opacity: 1; transform: none; transition-delay: .40s; }
  .main-nav .nav-foot { margin-bottom: auto; }
  .nav-phone { display: inline-flex; align-items: center; gap: 9px; font-size: .95rem; color: rgba(255,255,255,.85); }
  .nav-phone svg { color: var(--green-2); }
  .nav-foot .btn { width: 100%; }

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

@media (max-width: 767px) {
  :root { --header-h: 72px; }

  .site-header .header-inner { padding: 12px 18px; }
  .logo svg { width: 34px; height: 34px; }
  .logo-txt { font-size: 1.06rem; }

  .hero { min-height: auto; padding: calc(var(--header-h) + 46px) 0 74px; }
  .hero-scroll { display: none; }
  .hero-content h1 { max-width: none; }
  .hero-sub { font-size: .98rem; }
  .hero-actions .btn { width: 100%; }
  .badge-item { font-size: .74rem; padding: 10px 15px; }

  .page-hero { min-height: auto; padding: calc(var(--header-h) + 44px) 0 48px; }
  .crumbs { font-size: .66rem; }

  .section { padding: 58px 0; }
  .section-head { margin-bottom: 32px; }

  .intro-tag { left: 12px; bottom: 12px; padding: 12px 16px; }
  .intro-tag strong { font-size: 1.6rem; }

  .cta-actions .btn { width: 100%; }
  .footer-bottom .wrap { justify-content: center; text-align: center; }

  .filters { gap: 8px; }
  .filter-btn { padding: 9px 15px; font-size: .68rem; }

  .faq-item { padding: 17px 18px; }
  .faq-item summary { font-size: 1.06rem; }

  .lightbox img { max-width: 96%; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  .hero-content, .site-header .header-inner { padding-left: 16px; padding-right: 16px; }
  .badge-item { width: 100%; }
}

/* ---------- 21. Grille duo (2 blocs cote a cote) ---------- */
.duo-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 768px) { .duo-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 22. Variante 4 colonnes (valeurs, engagements) ---------- */
@media (min-width: 1100px) {
  .cards-grid.four { grid-template-columns: repeat(4, 1fr); }
}