/* ==================================================================
   KAZ CONCEPT — Feuille de style principale
   Charte : Noir #262626 · Or #B18D49 · Blanc #FFFFFF · Police Cairo
   Direction : sombre & cinématographique. Mobile-first (375 / 768 / 1280).
   ================================================================== */

/* -------------------------------------------------- 1. RESET ------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, picture, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--or-clair); outline-offset: 3px; border-radius: 2px; }

/* -------------------------------------------------- 2. TOKENS ----- */
:root {
  --noir: #262626;
  --noir-900: #1a1a1a;
  --noir-850: #1f1f1f;
  --surface: #2c2c2c;
  --surface-2: #333333;
  --or: #B18D49;
  --or-clair: #cda85f;
  --or-fonce: #8f7038;
  --blanc: #ffffff;
  --gris-clair: #f5f5f5;
  --texte: #eceae6;
  --texte-muet: #a7a299;
  --bordure: rgba(177,141,73,.24);
  --bordure-soft: rgba(255,255,255,.09);

  --font: "Cairo", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --fs-hero: clamp(2.4rem, 6.4vw, 4.75rem);
  --fs-h1: clamp(2rem, 5vw, 3.25rem);
  --fs-h2: clamp(1.65rem, 3.6vw, 2.55rem);
  --fs-h3: clamp(1.2rem, 2.2vw, 1.5rem);
  --fs-lead: clamp(1.05rem, 1.7vw, 1.3rem);
  --fs-body: 1.0625rem;
  --fs-sm: .9rem;
  --fs-eyebrow: .8rem;

  --container: 1240px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section: clamp(4rem, 9vw, 8rem);
  --radius: 4px;
  --radius-lg: 14px;
  --header-h: 72px;
  --t: .35s cubic-bezier(.4, 0, .2, 1);
  --shadow: 0 24px 60px -28px rgba(0,0,0,.8);
  --shadow-gold: 0 18px 48px -22px rgba(177,141,73,.5);
}

/* -------------------------------------------------- 3. BASE ------- */
body {
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--texte);
  background: var(--noir);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-weight: 700; line-height: 1.12; letter-spacing: -.01em; color: var(--blanc); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { color: var(--texte); }
strong { font-weight: 700; }
::selection { background: var(--or); color: var(--noir); }

.skip-link {
  position: absolute; left: 1rem; top: -60px; z-index: 200;
  background: var(--or); color: var(--noir); padding: .6rem 1rem;
  font-weight: 600; border-radius: var(--radius); transition: top var(--t);
}
.skip-link:focus { top: 1rem; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* -------------------------------------------------- 4. LAYOUT ----- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); position: relative; }
.section--alt { background: var(--noir-850); }
.section--deep { background: var(--noir-900); }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .7rem;
  font-size: var(--fs-eyebrow); font-weight: 700; letter-spacing: .22em;
  text-transform: uppercase; color: var(--or); margin-bottom: 1.1rem;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--or); display: inline-block; }
.eyebrow--center::after { content: ""; width: 34px; height: 1px; background: var(--or); display: inline-block; }

.section-head { max-width: 720px; margin-bottom: clamp(2.2rem, 4vw, 3.5rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head p { color: var(--texte-muet); font-size: var(--fs-lead); margin-top: 1rem; }
.lead { font-size: var(--fs-lead); color: var(--texte-muet); }
.text-gold { color: var(--or); }

/* -------------------------------------------------- 5. BUTTONS ---- */
.btn {
  --btn-bg: transparent; --btn-fg: var(--blanc); --btn-bd: var(--or);
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .95rem 1.7rem; font-weight: 700; font-size: .95rem; letter-spacing: .02em;
  border: 1px solid var(--btn-bd); background: var(--btn-bg); color: var(--btn-fg);
  border-radius: var(--radius); transition: all var(--t); text-align: center; cursor: pointer;
}
.btn-gold { --btn-bg: var(--or); --btn-fg: #221b0c; --btn-bd: var(--or); }
.btn-gold:hover { --btn-bg: var(--or-clair); --btn-bd: var(--or-clair); transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.btn-outline { --btn-bg: transparent; --btn-fg: var(--blanc); --btn-bd: var(--bordure); }
.btn-outline:hover { --btn-bd: var(--or); --btn-fg: var(--or); transform: translateY(-2px); }
.btn-ghost { --btn-bd: transparent; --btn-fg: var(--or); padding-inline: .4rem; }
.btn-ghost:hover { --btn-fg: var(--or-clair); }
.btn-sm { padding: .65rem 1.2rem; font-size: .85rem; }
.btn-lg { padding: 1.1rem 2.2rem; font-size: 1rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; }

/* -------------------------------------------------- 6. HEADER ----- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(26,26,26,.65); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: background var(--t), border-color var(--t), height var(--t);
}
.site-header.is-scrolled { background: rgba(20,20,20,.94); border-bottom-color: var(--bordure-soft); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%; }
.brand img { height: 44px; width: auto; }
@media (min-width: 768px) { .brand img { height: 50px; } }
.nav-desktop { display: none; }
.nav-cta { display: none; }

.burger { display: flex; flex-direction: column; gap: 5px; padding: 8px; }
.burger span { width: 26px; height: 2px; background: var(--blanc); transition: transform var(--t), opacity var(--t); }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* -------------------------------------------------- 7. MOBILE NAV - */
.mobile-overlay { position: fixed; inset: 0; z-index: 110; background: rgba(0,0,0,.6); opacity: 0; transition: opacity var(--t); }
.mobile-overlay.is-open { opacity: 1; }
.nav-mobile {
  position: fixed; top: 0; right: 0; z-index: 120; height: 100dvh; width: min(86vw, 360px);
  background: var(--noir-900); border-left: 1px solid var(--bordure);
  padding: 5.5rem 2rem 2rem; transform: translateX(100%); transition: transform var(--t);
  display: flex; flex-direction: column; gap: 1.4rem; overflow-y: auto;
}
.nav-mobile.is-open { transform: translateX(0); }
.nav-mobile__close { position: absolute; top: 1.1rem; right: 1.3rem; font-size: 2.2rem; line-height: 1; color: var(--texte); }
.nav-mobile ul { display: flex; flex-direction: column; gap: .3rem; }
.nav-mobile a { display: block; padding: .7rem 0; font-size: 1.25rem; font-weight: 600; border-bottom: 1px solid var(--bordure-soft); }
.nav-mobile a:hover { color: var(--or); }
.nav-mobile__cta { margin-top: .5rem; }
.nav-mobile__contact { display: flex; flex-direction: column; gap: .3rem; margin-top: auto; color: var(--texte-muet); font-size: var(--fs-sm); }
.nav-mobile__contact a:hover { color: var(--or); }

/* -------------------------------------------------- 8. HERO ------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding-top: calc(var(--header-h) + 2rem); padding-bottom: clamp(3rem, 8vh, 6rem);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -2; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(20,20,20,.55) 0%, rgba(20,20,20,.7) 55%, rgba(20,20,20,.96) 100%),
    radial-gradient(120% 90% at 80% 10%, rgba(177,141,73,.16), transparent 60%);
}
.hero__inner { max-width: 800px; }
.hero__title { font-size: var(--fs-hero); font-weight: 900; letter-spacing: -.02em; }
.hero__title .text-gold { color: var(--or); }
.hero__lead { margin-top: 1.5rem; font-size: var(--fs-lead); color: var(--texte); max-width: 600px; }
.hero__actions { margin-top: 2.2rem; }
.hero__meta { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 1.4rem 2rem; color: var(--texte-muet); font-size: var(--fs-sm); }
.hero__meta span { display: inline-flex; align-items: center; gap: .5rem; }
.hero__meta .dot { width: 6px; height: 6px; background: var(--or); border-radius: 50%; }
.hero__scroll { position: absolute; bottom: 1.4rem; left: 50%; transform: translateX(-50%); color: var(--texte-muet); font-size: .75rem; letter-spacing: .2em; text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: .5rem; }
.hero__scroll::after { content: ""; width: 1px; height: 38px; background: linear-gradient(var(--or), transparent); animation: scrollPulse 2s infinite; }
@keyframes scrollPulse { 0%,100% { opacity: .3; } 50% { opacity: 1; } }

/* -------------------------------------------------- 9. AUDIENCES -- */
.audiences { display: grid; gap: 1.2rem; }
.audience-card {
  position: relative; padding: 2.2rem; border: 1px solid var(--bordure);
  background: linear-gradient(160deg, var(--surface), var(--noir-850));
  border-radius: var(--radius-lg); transition: transform var(--t), border-color var(--t), box-shadow var(--t);
  overflow: hidden;
}
.audience-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(80% 60% at 100% 0%, rgba(177,141,73,.14), transparent 60%); opacity: 0; transition: opacity var(--t); }
.audience-card:hover { transform: translateY(-6px); border-color: var(--or); box-shadow: var(--shadow); }
.audience-card:hover::before { opacity: 1; }
.audience-card__tag { font-size: var(--fs-eyebrow); letter-spacing: .18em; text-transform: uppercase; color: var(--or); font-weight: 700; }
.audience-card h3 { margin: .7rem 0 .8rem; font-size: clamp(1.4rem, 3vw, 1.9rem); }
.audience-card p { color: var(--texte-muet); }
.audience-card .btn { margin-top: 1.5rem; }

/* -------------------------------------------------- 10. FEATURES -- */
.feature-grid { display: grid; gap: 1.2rem; }
.feature-card { padding: 1.8rem; border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); background: var(--surface); transition: transform var(--t), border-color var(--t); }
.feature-card:hover { transform: translateY(-4px); border-color: var(--bordure); }
.feature-card .ic { width: 56px; height: 56px; color: var(--or); margin-bottom: 1.1rem; display: block; }
img.ic { object-fit: contain; }

/* Bande "Ce que nous installons" */
.install-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--bordure-soft); border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); overflow: hidden; }
.install-item { background: var(--noir-850); padding: 1.6rem 1rem; text-align: center; transition: background var(--t); }
.install-item:hover { background: var(--surface); }
.install-item img { width: 52px; height: 52px; margin: 0 auto .7rem; object-fit: contain; }
.install-item span { display: block; color: var(--texte); font-size: .92rem; font-weight: 600; }
@media (min-width: 600px) { .install-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 980px) { .install-grid { grid-template-columns: repeat(7, 1fr); } }
.feature-card h3 { font-size: 1.2rem; margin-bottom: .5rem; }
.feature-card p { color: var(--texte-muet); font-size: .98rem; }

/* -------------------------------------------------- 11. STATS ----- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--bordure-soft); border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); overflow: hidden; }
.stat { background: var(--noir-850); padding: 1.8rem 1.2rem; text-align: center; }
.stat__val { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 900; color: var(--or); line-height: 1.1; }
.stat__label { color: var(--texte-muet); font-size: var(--fs-sm); margin-top: .4rem; }

/* -------------------------------------------------- 12. STEPS ----- */
.steps { display: grid; gap: 1rem; counter-reset: step; }
.step { display: grid; grid-template-columns: auto 1fr; gap: 1.3rem; align-items: start; padding: 1.5rem; border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); background: var(--surface); transition: border-color var(--t); }
.step:hover { border-color: var(--bordure); }
.step__num { font-size: 1.6rem; font-weight: 900; color: var(--or); font-variant-numeric: tabular-nums; }
.step h3 { font-size: 1.2rem; margin-bottom: .35rem; }
.step p { color: var(--texte-muet); font-size: .98rem; }

/* -------------------------------------------------- 13. PROJECTS -- */
.filters { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 2rem; }
.filter-btn { padding: .55rem 1.15rem; font-size: .9rem; font-weight: 600; border: 1px solid var(--bordure-soft); border-radius: 999px; color: var(--texte-muet); transition: all var(--t); }
.filter-btn:hover { border-color: var(--or); color: var(--texte); }
.filter-btn.is-active { background: var(--or); color: var(--noir); border-color: var(--or); }

.projects-grid { display: grid; gap: 1.4rem; }
.project-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--bordure-soft); background: var(--surface); transition: transform var(--t), border-color var(--t), box-shadow var(--t); }
.project-card:hover { transform: translateY(-6px); border-color: var(--or); box-shadow: var(--shadow); }
.project-card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.project-card:hover .project-card__media img { transform: scale(1.06); }
.project-card__tag { position: absolute; top: 1rem; left: 1rem; background: rgba(20,20,20,.8); color: var(--or); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: .35rem .75rem; border-radius: 999px; backdrop-filter: blur(6px); }
.project-card__body { padding: 1.4rem 1.5rem 1.6rem; }
.project-card__body h3 { font-size: 1.25rem; margin-bottom: .3rem; }
.project-card__meta { color: var(--or); font-size: var(--fs-sm); font-weight: 600; margin-bottom: .7rem; }
.project-card__body p { color: var(--texte-muet); font-size: .95rem; }
.project-card__fns { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.project-card__fns span { font-size: .75rem; color: var(--texte-muet); border: 1px solid var(--bordure-soft); padding: .2rem .6rem; border-radius: 999px; }
.is-hidden { display: none !important; }

/* -------------------------------------------------- 14. PARTNERS -- */
.partners-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.partner-card { display: flex; flex-direction: column; gap: .7rem; padding: 1.6rem; border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); background: var(--surface); transition: transform var(--t), border-color var(--t); min-height: 100%; }
.partner-card:hover { transform: translateY(-4px); border-color: var(--or); }
.partner-card__logo { height: 56px; display: flex; align-items: center; }
.partner-card__logo img { max-height: 56px; width: auto; filter: grayscale(1) brightness(1.6); opacity: .85; transition: filter var(--t), opacity var(--t); }
.partner-card:hover .partner-card__logo img { filter: none; opacity: 1; }
.partner-card__name { font-size: 1.3rem; font-weight: 900; color: var(--blanc); letter-spacing: .02em; }
.partner-card__cat { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--or); font-weight: 700; }
.partner-card p { color: var(--texte-muet); font-size: .92rem; flex: 1; }
.partner-card a.partner-link { color: var(--or); font-weight: 600; font-size: .88rem; }
.partner-card a.partner-link:hover { color: var(--or-clair); }

/* -------------------------------------------------- 15. QUOTES ---- */
.testimonials { display: grid; gap: 1.2rem; }
.testimonial { padding: 2rem; border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); background: var(--surface); position: relative; }
.testimonial::before { content: "“"; font-family: Georgia, serif; font-size: 4rem; line-height: 1; color: var(--or); opacity: .35; position: absolute; top: .6rem; left: 1.1rem; }
.testimonial__stars { color: var(--or); letter-spacing: .15em; margin-bottom: .8rem; }
.testimonial p { font-size: 1.05rem; font-style: italic; color: var(--texte); }
.testimonial__author { margin-top: 1.2rem; font-style: normal; }
.testimonial__author strong { display: block; color: var(--blanc); }
.testimonial__author span { color: var(--texte-muet); font-size: var(--fs-sm); }

/* -------------------------------------------------- 16. CALC ------ */
.calculator { display: grid; gap: 1.5rem; border: 1px solid var(--bordure); border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); }
.calc-controls { padding: clamp(1.5rem, 4vw, 2.5rem); display: grid; gap: 1.5rem; }
.calc-field label { display: block; font-weight: 600; margin-bottom: .6rem; }
.calc-field .hint { color: var(--texte-muet); font-size: var(--fs-sm); font-weight: 400; }
.calc-range { width: 100%; accent-color: var(--or); }
.calc-surface-val { color: var(--or); font-weight: 900; }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label { display: block; text-align: center; padding: .8rem .5rem; border: 1px solid var(--bordure-soft); border-radius: var(--radius); cursor: pointer; font-weight: 600; font-size: .92rem; transition: all var(--t); margin: 0; }
.seg input:checked + label { background: var(--or); color: var(--noir); border-color: var(--or); }
.seg label small { display: block; font-weight: 400; font-size: .72rem; opacity: .8; }
.calc-result { background: var(--noir-900); padding: clamp(1.5rem, 4vw, 2.5rem); display: flex; flex-direction: column; justify-content: center; border-top: 1px solid var(--bordure); }
.calc-result__label { color: var(--texte-muet); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .12em; }
.calc-result__amount { font-size: clamp(2rem, 6vw, 3rem); font-weight: 900; color: var(--or); line-height: 1.1; margin: .4rem 0; }
.calc-result__note { color: var(--texte-muet); font-size: .85rem; }
.calc-result .btn { margin-top: 1.4rem; }

/* -------------------------------------------------- 17. FAQ ------- */
.faq { display: grid; gap: .8rem; max-width: 820px; }
.faq-item { border: 1px solid var(--bordure-soft); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.2rem 1.4rem; font-weight: 700; font-size: 1.05rem; text-align: left; color: var(--blanc); }
.faq-q .chev { color: var(--or); transition: transform var(--t); flex-shrink: 0; }
.faq-q[aria-expanded="true"] .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--t); }
.faq-a > div { padding: 0 1.4rem 1.3rem; color: var(--texte-muet); }

/* -------------------------------------------------- 18. CTA / VIDEO */
.cta-band { text-align: center; background: linear-gradient(160deg, var(--surface), var(--noir-900)); border-block: 1px solid var(--bordure); }
.cta-band h2 { max-width: 720px; margin-inline: auto; }
.cta-band p { max-width: 620px; margin: 1rem auto 2rem; color: var(--texte-muet); font-size: var(--fs-lead); }
.video-embed { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--bordure); background: var(--noir-900); }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem; color: var(--texte-muet); text-align: center; padding: 2rem; }
.video-placeholder .play { width: 72px; height: 72px; border-radius: 50%; border: 2px solid var(--or); color: var(--or); display: grid; place-items: center; }

/* -------------------------------------------------- 19. BADGES ---- */
.badges { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.badge { display: inline-flex; align-items: center; gap: .6rem; padding: .7rem 1.1rem; border: 1px solid var(--bordure); border-radius: var(--radius); background: var(--noir-900); font-size: .85rem; font-weight: 600; }
.badge svg, .badge img { color: var(--or); flex-shrink: 0; width: 30px; height: 30px; object-fit: contain; }
.badge strong { color: var(--blanc); }
.badge span { color: var(--texte-muet); display: block; font-weight: 400; font-size: .75rem; }

/* -------------------------------------------------- 20. PAGE HERO - */
.page-hero { position: relative; padding-top: calc(var(--header-h) + clamp(3rem, 8vw, 6rem)); padding-bottom: clamp(2.5rem, 6vw, 4.5rem); background: linear-gradient(180deg, var(--noir-900), var(--noir)); border-bottom: 1px solid var(--bordure-soft); overflow: hidden; }
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: 0; background: radial-gradient(80% 90% at 85% 0%, rgba(177,141,73,.14), transparent 55%); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: var(--fs-h1); max-width: 16ch; }
.page-hero p { color: var(--texte-muet); font-size: var(--fs-lead); margin-top: 1rem; max-width: 60ch; }
.breadcrumb { font-size: var(--fs-sm); color: var(--texte-muet); margin-bottom: 1.4rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.breadcrumb a:hover { color: var(--or); }
.breadcrumb span { color: var(--or); }

/* -------------------------------------------------- 21. FORM ------ */
.contact-layout { display: grid; gap: 2.5rem; }
.field { margin-bottom: 1.2rem; }
.field label { display: block; font-weight: 600; margin-bottom: .5rem; font-size: .95rem; }
.field label .req { color: var(--or); }
.field input, .field select, .field textarea {
  width: 100%; padding: .85rem 1rem; background: var(--noir-900); color: var(--texte);
  border: 1px solid var(--bordure-soft); border-radius: var(--radius); transition: border-color var(--t), box-shadow var(--t);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--or); box-shadow: 0 0 0 3px rgba(177,141,73,.18); outline: none; }
.field textarea { min-height: 140px; resize: vertical; }
.field-row { display: grid; gap: 1.2rem; }
.field .error-msg { color: #e7a04f; font-size: var(--fs-sm); margin-top: .35rem; display: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #c4622f; }
.field.has-error .error-msg { display: block; }
.form-consent { display: flex; gap: .6rem; align-items: flex-start; font-size: var(--fs-sm); color: var(--texte-muet); }
.form-consent input { width: auto; margin-top: .25rem; accent-color: var(--or); }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.alert { padding: 1rem 1.2rem; border-radius: var(--radius); margin-bottom: 1.5rem; border: 1px solid; }
.alert-success { background: rgba(120,160,90,.12); border-color: #6f9a4d; color: #c7e0a8; }
.alert-error { background: rgba(196,98,47,.12); border-color: #c4622f; color: #f0b48a; }
.contact-aside { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-aside .info-card { padding: 1.6rem; border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); background: var(--surface); }
.contact-aside .info-card h3 { font-size: 1.1rem; margin-bottom: .8rem; }
.contact-aside a:hover { color: var(--or); }
.contact-aside .info-line { display: flex; gap: .7rem; align-items: center; margin-bottom: .6rem; color: var(--texte-muet); }
.contact-aside .info-line svg { color: var(--or); flex-shrink: 0; }
.map-embed { aspect-ratio: 16/10; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--bordure-soft); }
.map-embed iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.4) invert(.9) hue-rotate(180deg) contrast(.9); }
.calendly-inline { min-height: 640px; border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); overflow: hidden; }

/* -------------------------------------------------- 22. PROSE ----- */
.prose { max-width: 800px; }
.prose h2 { font-size: clamp(1.3rem, 3vw, 1.7rem); margin: 2.2rem 0 .8rem; color: var(--or); }
.prose h3 { font-size: 1.15rem; margin: 1.5rem 0 .5rem; }
.prose p, .prose li { color: var(--texte-muet); margin-bottom: .8rem; }
.prose ul { list-style: disc; padding-left: 1.3rem; margin-bottom: 1rem; }
.prose a { color: var(--or); text-decoration: underline; }

/* -------------------------------------------------- 23. SPLIT ----- */
.split { display: grid; gap: 2.5rem; align-items: center; }
.split__media { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--bordure); aspect-ratio: 4/3; }
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.check-list { display: grid; gap: .8rem; margin-top: 1.5rem; }
.check-list li { display: flex; gap: .75rem; align-items: flex-start; color: var(--texte); }
.check-list svg { color: var(--or); flex-shrink: 0; margin-top: .25rem; }

/* -------------------------------------------------- 24. FOOTER ---- */
.site-footer { background: var(--noir-900); border-top: 1px solid var(--bordure); margin-top: 0; }
.footer-grid { display: grid; gap: 2.5rem; padding-block: clamp(3rem, 6vw, 4.5rem); }
.footer-brand img { margin-bottom: 1.2rem; }
.footer-baseline { color: var(--texte-muet); font-size: .95rem; max-width: 38ch; }
.footer-social { display: flex; gap: .8rem; margin-top: 1.3rem; }
.footer-social a { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--bordure); border-radius: 50%; color: var(--texte-muet); transition: all var(--t); }
.footer-social a:hover { color: var(--noir); background: var(--or); border-color: var(--or); }
.footer-knx { margin-top: 1.4rem; opacity: .9; }
.footer-col h2 { font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; color: var(--or); margin-bottom: 1.1rem; }
.footer-col ul { display: grid; gap: .6rem; }
.footer-col a, .footer-contact li { color: var(--texte-muet); font-size: .95rem; }
.footer-col a:hover { color: var(--or); }
/* ===== Footer : newsletter + consentement RGPD ===== */
.newsletter-form { display: grid; grid-template-columns: 1.1rem minmax(0, 1fr) auto; gap: .5rem; align-items: start; }
.newsletter-form input[type="email"] { grid-column: 1 / 3; min-width: 0; }
.newsletter-form button { grid-column: 3; }
/* Consentement sous le champ, sur toute la largeur */
.newsletter-form label, .newsletter-form .consent, .newsletter-form .newsletter-consent, .newsletter-form .form-consent { grid-column: 1 / -1; }
.newsletter-form label { display: block; position: relative; padding-left: 1.6rem; margin-top: .35rem; color: var(--texte-muet); font-size: .8rem; font-weight: 400; line-height: 1.5; cursor: pointer; }
.newsletter-form input[type="checkbox"] { width: 1rem; height: 1rem; margin: 0; padding: 0; border: 0; background: none; accent-color: var(--or); cursor: pointer; }
.newsletter-form label input[type="checkbox"] { position: absolute; left: 0; top: .15rem; }
/* Variante : case placée hors du label */
.newsletter-form > input[type="checkbox"] { grid-column: 1; margin-top: .5rem; }
.newsletter-form > input[type="checkbox"] + label { grid-column: 2 / -1; padding-left: 0; }
.newsletter-form a { color: var(--or); text-decoration: underline; text-underline-offset: 2px; }
.newsletter-form a:hover { color: var(--or-clair); }.footer-services { border-top: 1px solid var(--bordure-soft); }
.footer-services .container { padding-block: 1.1rem; color: var(--texte-muet); font-size: .82rem; text-align: center; letter-spacing: .02em; }
.footer-bottom { border-top: 1px solid var(--bordure-soft); }
.footer-bottom__inner { display: flex; flex-direction: column; gap: .8rem; padding-block: 1.4rem; align-items: center; text-align: center; }
.footer-bottom p { color: var(--texte-muet); font-size: .85rem; }
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: 1.2rem; justify-content: center; }
.footer-bottom a { color: var(--texte-muet); font-size: .85rem; }
.footer-bottom a:hover { color: var(--or); }

/* -------------------------------------------------- 25. FLOATING -- */
.whatsapp-fab { position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 90; width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: #25d366; color: #fff; box-shadow: 0 10px 30px -8px rgba(0,0,0,.6); transition: transform var(--t); }
.whatsapp-fab:hover { transform: scale(1.08); }
.to-top { position: fixed; right: 1.1rem; bottom: 4.6rem; z-index: 90; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); color: var(--or); border: 1px solid var(--bordure); opacity: 0; pointer-events: none; transform: translateY(10px); transition: all var(--t); }
.to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* -------------------------------------------------- 26. REVEAL ---- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }
[data-stagger] > * { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
[data-stagger].is-in > * { opacity: 1; transform: none; }
[data-stagger].is-in > *:nth-child(2) { transition-delay: .08s; }
[data-stagger].is-in > *:nth-child(3) { transition-delay: .16s; }
[data-stagger].is-in > *:nth-child(4) { transition-delay: .24s; }
[data-stagger].is-in > *:nth-child(5) { transition-delay: .32s; }
[data-stagger].is-in > *:nth-child(6) { transition-delay: .4s; }

/* -------------------------------------------------- 27. RESPONSIVE  */
@media (min-width: 600px) {
  .field-row { grid-template-columns: 1fr 1fr; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom__inner { flex-direction: row; justify-content: space-between; text-align: left; }
}
@media (min-width: 768px) {
  :root { --header-h: 84px; }
  .audiences { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: repeat(auto-fit, minmax(300px, 380px)); justify-content: center; }
  .calculator { grid-template-columns: 1.15fr .85fr; }
  .calc-result { border-top: 0; border-left: 1px solid var(--bordure); }
  .split { grid-template-columns: 1fr 1fr; }
  .split--reverse .split__media { order: 2; }
}
@media (min-width: 980px) {
  .nav-desktop { display: block; }
  .nav-desktop ul { display: flex; gap: clamp(1.2rem, 2.5vw, 2.2rem); }
  .nav-desktop a { font-size: .95rem; font-weight: 600; color: var(--texte); position: relative; padding-block: .4rem; }
  .nav-desktop a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--or); transition: width var(--t); }
  .nav-desktop a:hover, .nav-desktop a[aria-current="page"] { color: var(--or); }
  .nav-desktop a:hover::after, .nav-desktop a[aria-current="page"]::after { width: 100%; }
  .nav-cta { display: inline-flex; }
  .burger { display: none; }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.4fr; }
  .contact-layout { grid-template-columns: 1.5fr 1fr; align-items: start; }
}
@media (min-width: 1280px) {
  .feature-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* -------------------------------------------------- 28. A11Y ------ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal, [data-stagger] > * { opacity: 1 !important; transform: none !important; }
}
@media print {
  .site-header, .nav-mobile, .mobile-overlay, .whatsapp-fab, .to-top, .hero__scroll { display: none !important; }
  body { background: #fff; color: #000; }
}

.project-card__media--gallery { display: block; width: 100%; padding: 0; border: 0; background: var(--noir-900); cursor: zoom-in; text-align: left; }
.project-card__zoom { position: absolute; right: 1rem; bottom: 1rem; background: rgba(20,20,20,.85); color: var(--or); border: 1px solid var(--bordure); font-size: .78rem; font-weight: 700; padding: .35rem .8rem; border-radius: 999px; opacity: 0; transform: translateY(6px); transition: opacity var(--t), transform var(--t); }
.project-card__media--gallery:hover .project-card__zoom, .project-card__media--gallery:focus-visible .project-card__zoom { opacity: 1; transform: none; }
@media (hover: none) { .project-card__zoom { opacity: 1; transform: none; } }

.lightbox { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; gap: 1.25rem; padding: 4.5rem 1rem 1.5rem; background: rgba(14,14,14,.95); backdrop-filter: blur(6px); }
.lightbox[hidden] { display: none; }
.lightbox__figure { margin: 0; text-align: center; }
.lightbox__figure img { display: block; max-height: calc(100vh - 9rem); max-width: min(94vw, 1400px); width: auto; height: auto; margin: 0 auto; border: 1px solid var(--bordure); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.lightbox__figure figcaption { margin-top: .9rem; color: var(--or); font-size: .85rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.lightbox__close, .lightbox__nav { width: 46px; height: 46px; flex: 0 0 auto; border: 1px solid var(--or); border-radius: 50%; color: var(--or); background: transparent; font-size: 1.7rem; line-height: 1; cursor: pointer; transition: background var(--t), color var(--t); }
.lightbox__close:hover, .lightbox__nav:hover { background: var(--or); color: var(--noir); }
.lightbox__close { position: absolute; top: 1rem; right: 1rem; }
.lightbox__nav[hidden] { display: none; }
@media (max-width: 640px) {
  .lightbox__nav { position: absolute; bottom: 1rem; }
  .lightbox__nav--prev { left: calc(50% - 60px); }
  .lightbox__nav--next { right: calc(50% - 60px); }
  .lightbox { padding-bottom: 5rem; }
}
.project-card__cat { display: inline-block; margin-bottom: .55rem; color: var(--or); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.testimonials__note { margin-top: 1.6rem; text-align: center; color: var(--texte-muet); font-size: .82rem; }
.rating { display: flex; flex-direction: row-reverse; justify-content: flex-end; gap: .3rem; }
.rating input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.rating label { font-size: 2rem; line-height: 1; color: rgba(255,255,255,.18); cursor: pointer; transition: color var(--t); margin: 0; }
.rating label:hover, .rating label:hover ~ label, .rating input:checked ~ label { color: var(--or); }
.rating input:focus-visible + label { outline: 2px solid var(--or); outline-offset: 2px; }
.temoignage-card { max-width: 720px; margin: 0 auto; padding: clamp(1.5rem, 4vw, 2.5rem); background: var(--surface); border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); }
/* ---- Cartes projets : lien vers la page détail ---- */
.project-card__media--link { display: block; }
.project-card__media--link:hover .project-card__zoom, .project-card:hover .project-card__zoom { opacity: 1; transform: none; }
.project-card__link { color: inherit; }
.project-card__link::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.project-card__more { position: relative; z-index: 2; display: inline-block; margin-top: 1rem; color: var(--or); font-weight: 700; font-size: .92rem; }
.project-card__more:hover { color: var(--or-clair); }
/* ---- Page détail projet ---- */
.projet-title { max-width: 24ch !important; }
.projet-meta { color: var(--or) !important; font-weight: 600; font-size: var(--fs-sm) !important; }
.projet-layout { display: grid; gap: 2.5rem; }
.projet-cover { margin: 0 0 2rem; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--bordure-soft); }
.projet-cover img { display: block; width: 100%; height: auto; }
.projet-desc p { font-size: 1.05rem; line-height: 1.75; }
.projet-h2 { font-size: var(--fs-h3); margin: 2.5rem 0 1rem; }
.projet-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .9rem; }
.projet-gallery__item { padding: 0; border: 1px solid var(--bordure-soft); border-radius: var(--radius); overflow: hidden; background: var(--noir-900); cursor: zoom-in; aspect-ratio: 4 / 3; }
.projet-gallery__item { display: flex; align-items: center; justify-content: center; padding: .6rem; background: radial-gradient(circle at 50% 40%, rgba(177,141,73,.10), transparent 70%), var(--noir-900); }
.projet-gallery__item img { width: 100%; height: 100%; object-fit: contain; transition: transform .5s ease; }
.projet-gallery__item:hover img { transform: scale(1.03); }
.projet-gallery__item:hover { border-color: var(--or); }
.projet-aside { display: flex; flex-direction: column; gap: 1.2rem; }
.projet-card { padding: 1.5rem; background: var(--surface); border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); }
.projet-card p { color: var(--texte-muet); font-size: .95rem; margin-bottom: 1.2rem; }
.projet-aside__title { font-size: 1.05rem; margin-bottom: 1rem; color: var(--or); }
.projet-fns { display: flex; flex-direction: column; gap: .6rem; }
.projet-fns li { position: relative; padding-left: 1.4rem; color: var(--texte); font-size: .95rem; }
.projet-fns li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; border-radius: 50%; background: var(--or); }
.projet-back { color: var(--texte-muet); font-size: .9rem; }
.projet-back:hover { color: var(--or); }
@media (min-width: 960px) {
  .projet-layout { grid-template-columns: minmax(0, 1fr) 320px; align-items: start; }
  .projet-aside { position: sticky; top: calc(var(--header-h) + 1.5rem); }
}
/* === Footer : réseaux sociaux harmonisés avec les icônes (cadre or + rivets) === */
.footer-social a { position: relative; width: 44px; height: 44px; border-radius: 12px; border: 1.5px solid rgba(205,168,95,.55); color: var(--or-clair); background: transparent; }
.footer-social a::before, .footer-social a::after { content: ""; position: absolute; width: 6px; height: 6px; border-radius: 50%; border: 1.2px solid rgba(205,168,95,.8); background: var(--noir-900); transition: all var(--t); }
.footer-social a::before { top: -3.5px; left: 8px; }
.footer-social a::after { bottom: 8px; right: -3.5px; }
.footer-social a svg { width: 20px; height: 20px; }
.footer-social a:hover { color: var(--noir-900); background: linear-gradient(135deg, #E8C47C, #B18D49); border-color: #D5AF65; transform: translateY(-2px); }
.footer-social a:hover::before, .footer-social a:hover::after { border-color: #D5AF65; }
.footer-knx { display: block; margin-top: 1.4rem; opacity: 1; }

.footer-knx-link{display:inline-block;transition:transform var(--t),filter var(--t)}
.footer-knx-link:hover{transform:translateY(-2px);filter:brightness(1.15)}

/* ==================== PAGE DOMAINES ==================== */
.dom-index { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; }
.dom-index a { display: inline-flex; align-items: center; gap: .55rem; padding: .45rem .95rem .45rem .5rem; border: 1px solid var(--bordure); border-radius: 999px; color: var(--texte); font-size: .9rem; font-weight: 600; background: rgba(255,255,255,.02); transition: all var(--t); }
.dom-index a:hover { border-color: var(--or); color: var(--or-clair); background: rgba(177,141,73,.08); }
.dom-index img { width: 28px; height: 28px; }
.dom-section { scroll-margin-top: calc(var(--header-h) + 1rem); }
.dom-grid { display: grid; gap: 2.5rem; align-items: start; }
.dom-icon { width: 72px; height: 72px; margin-bottom: 1.2rem; }
.dom-head h2 { margin: .4rem 0 .6rem; }
.dom-accroche { color: var(--or-clair); margin-bottom: 1rem; }
.dom-head p:last-child { color: var(--texte-muet); }
.dom-body { padding: clamp(1.4rem, 3vw, 2.2rem); border: 1px solid var(--bordure-soft); border-radius: var(--radius-lg); background: var(--surface); }
.section--alt .dom-body { background: var(--noir); }
.dom-body h3 { font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--or); }
.dom-body .check-list { margin-top: 1rem; }
.dom-approche { margin-top: 1.8rem; padding-top: 1.4rem; border-top: 1px solid var(--bordure-soft); }
.dom-approche p { margin-top: .7rem; color: var(--texte-muet); }
.dom-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.4rem; margin-top: 1.6rem; }
.dom-projet { color: var(--or-clair); font-weight: 600; font-size: .95rem; }
.dom-projet:hover { color: var(--or); text-decoration: underline; }
@media (min-width: 960px) {
  .dom-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 4rem; }
  .dom-head { position: sticky; top: calc(var(--header-h) + 2rem); }
}

/* Cases « Ce que nous installons » cliquables (accueil) */
a.install-item { display: block; color: inherit; text-decoration: none; position: relative; }
a.install-item::after { content: "→"; position: absolute; right: .8rem; bottom: .6rem; color: var(--or); opacity: 0; transform: translateX(-4px); transition: all var(--t); }
a.install-item:hover::after, a.install-item:focus-visible::after { opacity: 1; transform: none; }
a.install-item:hover span { color: var(--or-clair); }

/* Badges certifications : icônes de la nouvelle famille */
.badge { padding: .65rem 1.15rem .65rem .75rem; gap: .75rem; }
.badge img { width: 40px; height: 40px; }

/* ==================== HOMOGÉNÉITÉ — famille d'icônes or ==================== */
/* Listes cochées (Bureau d'étude, Domaines…) : case de la famille au lieu du rond fin */
.check-list li > svg { display: none; }
.check-list li::before { content: ""; flex: 0 0 22px; height: 22px; margin-top: .2rem; background: url("/assets/img/icons/check.svg") center / contain no-repeat; }
/* Coordonnées (Contact) */
.contact-aside .info-line img { width: 20px; height: 20px; flex-shrink: 0; }
/* Cases à cocher et boutons radio natifs aux couleurs du site */
input[type="checkbox"], input[type="radio"] { accent-color: var(--or); width: 1.05rem; height: 1.05rem; vertical-align: -.15em; }
/* Bouton WhatsApp flottant et retour en haut : or au lieu du vert */
.whatsapp-fab { background: linear-gradient(135deg, #E8C47C, #B18D49); color: #1a1a1a; border: 1px solid #D5AF65; box-shadow: 0 8px 24px rgba(0,0,0,.45); }
.whatsapp-fab:hover { filter: brightness(1.08); }
.to-top { border: 1.5px solid rgba(205,168,95,.55); color: var(--or-clair); background: var(--noir-900); }
.to-top:hover { border-color: var(--or); color: var(--or); }