/* ============================================================
   X-CLEAN — Nettoyage de vitres à Liège
   Feuille de style — site statique one-page
   ============================================================ */

:root {
  --bg: #000000;
  --fg: #d6d6d6;
  --fg-strong: #ffffff;
  --primary: hsl(212 100% 50%);
  --primary-dark: hsl(212 100% 42%);
  --primary-soft: hsla(212, 100%, 50%, 0.12);
  --muted: #1a1a1a;
  --muted-fg: #a6a6a6;
  --card: #0a0a0a;
  --card-2: #101010;
  --border: #262626;
  --radius: 16px;
  --maxw: 1180px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.8);
  --shadow-blue: 0 18px 40px -16px hsla(212, 100%, 50%, 0.45);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: "DM Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { color: var(--fg-strong); line-height: 1.12; font-weight: 700; letter-spacing: -0.02em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

.text-primary { color: var(--primary); }
.gradient-text {
  background: linear-gradient(90deg, var(--primary), #57b0ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 12px; font-weight: 600; font-size: 1rem;
  cursor: pointer; border: 1px solid transparent; transition: all .22s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-blue); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--fg-strong); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary); background: var(--primary-soft); }
.btn-ghost { background: var(--muted); color: var(--fg-strong); }
.btn-ghost:hover { background: #232323; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0, 0, 0, 0.78); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; color: #fff; flex-shrink: 0; }
.brand img { width: 46px; height: 46px; border-radius: 10px; object-fit: cover; }
.brand span { font-size: 1.15rem; letter-spacing: .04em; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a { padding: 9px 13px; border-radius: 9px; color: var(--muted-fg); font-weight: 500; transition: .18s; white-space: nowrap; }
.nav-links a:hover { color: #fff; background: var(--muted); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-phone { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 600; }
.nav-phone svg { width: 18px; height: 18px; }
.burger { display: none; background: none; border: 0; color: #fff; cursor: pointer; padding: 8px; }
.burger svg { width: 28px; height: 28px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  text-align: center; overflow: hidden;
  background:
    radial-gradient(1200px 600px at 70% 90%, hsla(212,100%,50%,0.14), transparent 60%),
    linear-gradient(160deg, #000 0%, #000 55%, #04101f 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, hsla(212,100%,50%,0.06), transparent 25%),
    radial-gradient(circle at 85% 30%, hsla(212,100%,50%,0.05), transparent 25%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; padding: 60px 0; width: 100%; }
.hero-logo {
  width: 210px; height: 210px; margin: 0 auto 28px; border-radius: 26px;
  box-shadow: var(--shadow), 0 0 70px -20px hsla(212,100%,50%,0.5);
}
.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px; margin-bottom: 26px;
  border-radius: 999px; background: var(--primary-soft); border: 1px solid hsla(212,100%,50%,0.35);
  color: #8ec5ff; font-weight: 600; font-size: .9rem;
}
.badge svg { width: 16px; height: 16px; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 4.2rem); margin-bottom: 22px; }
.hero p.lead { font-size: clamp(1.05rem, 2.2vw, 1.35rem); color: var(--muted-fg); max-width: 740px; margin: 0 auto 38px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 46px; }
.hero-tags { display: flex; gap: 28px; justify-content: center; flex-wrap: wrap; color: var(--muted-fg); font-weight: 500; }
.hero-tags span { display: inline-flex; align-items: center; gap: 9px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 10px var(--primary); }

/* ---------- Sections ---------- */
section { scroll-margin-top: 80px; }
.section { padding: 96px 0; }
.section-alt { background: linear-gradient(180deg, #050505, #000); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 16px; }
.section-head p { color: var(--muted-fg); font-size: 1.1rem; }
.eyebrow { color: var(--primary); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; font-size: .82rem; display: block; margin-bottom: 14px; }

/* ---------- Cards grid ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 28px; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-6px); border-color: hsla(212,100%,50%,0.5); box-shadow: var(--shadow-blue); }
.icon-box {
  width: 58px; height: 58px; border-radius: 14px; display: grid; place-items: center;
  background: var(--primary-soft); color: var(--primary); margin-bottom: 22px;
}
.icon-box svg { width: 28px; height: 28px; }
.card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.card p { color: var(--muted-fg); }

/* ---------- Services ---------- */
.service-list { list-style: none; margin-top: 20px; display: grid; gap: 12px; }
.service-list li { display: flex; align-items: flex-start; gap: 11px; color: var(--fg); }
.service-list svg { width: 20px; height: 20px; color: var(--primary); flex-shrink: 0; margin-top: 3px; }
.service-card .btn { margin-top: 26px; width: 100%; justify-content: center; }

/* ---------- Entretien panneaux (niveaux de pollution) ---------- */
.loss-badge {
  display: inline-block; margin: 2px 0 14px; padding: 5px 13px; border-radius: 999px;
  background: hsla(0,75%,55%,0.12); border: 1px solid hsla(0,75%,55%,0.38);
  color: #ff8a8a; font-weight: 700; font-size: .88rem; letter-spacing: .01em;
}
.solar-note { text-align: center; max-width: 760px; margin: 40px auto 0; }
.solar-note p { color: var(--muted-fg); margin-bottom: 22px; }

/* ---------- Portfolio ---------- */
.filters { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.filter-btn {
  padding: 9px 18px; border-radius: 999px; background: var(--muted); border: 1px solid var(--border);
  color: var(--muted-fg); cursor: pointer; font-weight: 500; font-size: .92rem; transition: .18s;
}
.filter-btn:hover { color: #fff; }
.filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.ba-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: var(--card); }
.ba-media { position: relative; aspect-ratio: 4/3; overflow: hidden; cursor: pointer; }
.ba-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity .5s ease; }
.ba-media .after { opacity: 0; }
.ba-media:hover .after { opacity: 1; }
.ba-label {
  position: absolute; top: 14px; left: 14px; z-index: 2; padding: 6px 14px; border-radius: 999px;
  font-size: .8rem; font-weight: 600; background: rgba(0,0,0,.7); color: #fff; border: 1px solid var(--border);
  backdrop-filter: blur(4px); transition: .3s;
}
.ba-label.apres { opacity: 0; background: var(--primary); border-color: var(--primary); }
.ba-media:hover .ba-label.avant { opacity: 0; }
.ba-media:hover .ba-label.apres { opacity: 1; }
.ba-hint {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); z-index: 2;
  padding: 7px 16px; border-radius: 999px; font-size: .82rem; background: rgba(0,0,0,.65);
  color: #fff; backdrop-filter: blur(4px); display: inline-flex; align-items: center; gap: 8px;
  transition: opacity .3s; white-space: nowrap;
}
.ba-media:hover .ba-hint { opacity: 0; }
.ba-hint svg { width: 15px; height: 15px; }
.ba-body { padding: 20px 22px; }
.ba-body h3 { font-size: 1.15rem; margin-bottom: 4px; }
.ba-body span { color: var(--primary); font-size: .85rem; font-weight: 600; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: start; }
.about-block { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; margin-bottom: 22px; }
.about-block h3 { font-size: 1.4rem; margin-bottom: 14px; display: flex; align-items: center; gap: 12px; }
.about-block h3 svg { width: 24px; height: 24px; color: var(--primary); }
.about-block p { color: var(--muted-fg); }
.info-row { display: flex; justify-content: space-between; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--border); }
.info-row:last-child { border-bottom: 0; }
.info-row .k { color: var(--muted-fg); }
.info-row .v { color: var(--fg-strong); font-weight: 600; text-align: right; }
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 50px; }
.value { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; text-align: center; }
.value .icon-box { margin: 0 auto 16px; }
.value h4 { font-size: 1.15rem; margin-bottom: 8px; }
.value p { color: var(--muted-fg); font-size: .95rem; }
.mission { margin-top: 44px; text-align: center; background: var(--primary-soft); border: 1px solid hsla(212,100%,50%,0.3); border-radius: var(--radius); padding: 44px 32px; }
.mission h3 { font-size: 1.6rem; margin-bottom: 16px; }
.mission p { color: var(--fg); max-width: 760px; margin: 0 auto; font-size: 1.08rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 36px; align-items: start; }
.contact-info { display: grid; gap: 16px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; }
.contact-item .icon-box { margin: 0; width: 48px; height: 48px; flex-shrink: 0; }
.contact-item .icon-box svg { width: 22px; height: 22px; }
.contact-item h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted-fg); margin-bottom: 4px; font-weight: 600; }
.contact-item p, .contact-item a { color: var(--fg-strong); font-weight: 600; }
.contact-item a:hover { color: var(--primary); }

.form-wrap { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; }
.form-wrap h3 { font-size: 1.5rem; margin-bottom: 8px; }
.form-wrap > p { color: var(--muted-fg); margin-bottom: 26px; }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; margin-bottom: 8px; font-weight: 500; color: var(--fg); font-size: .95rem; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 13px 15px; border-radius: 11px; background: #050505;
  border: 1px solid var(--border); color: var(--fg-strong); font-family: inherit; font-size: 1rem; transition: .18s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft);
}
.form-row textarea { resize: vertical; min-height: 130px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-wrap button[type=submit] { width: 100%; justify-content: center; margin-top: 8px; }
.form-note { font-size: .85rem; color: var(--muted-fg); margin-top: 14px; text-align: center; }
.form-status { margin-top: 16px; padding: 14px; border-radius: 11px; font-weight: 500; display: none; }
.form-status.ok { display: block; background: hsla(140,70%,40%,0.12); border: 1px solid hsla(140,70%,45%,0.4); color: #6ee7a0; }
.form-status.err { display: block; background: hsla(0,70%,45%,0.12); border: 1px solid hsla(0,70%,50%,0.4); color: #ff9b9b; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-inner { background: linear-gradient(135deg, #06121f, #000); border: 1px solid hsla(212,100%,50%,0.3); border-radius: 24px; padding: 64px 32px; box-shadow: var(--shadow-blue); }
.cta-inner h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin-bottom: 16px; }
.cta-inner p { color: var(--muted-fg); font-size: 1.15rem; margin-bottom: 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: #050505; border-top: 1px solid var(--border); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1.4fr; gap: 36px; }
.footer-brand img { width: 64px; border-radius: 12px; margin-bottom: 18px; }
.footer-brand p { color: var(--muted-fg); font-size: .95rem; max-width: 300px; }
.socials { display: flex; gap: 12px; margin-top: 20px; }
.socials a { width: 42px; height: 42px; border-radius: 10px; background: var(--muted); display: grid; place-items: center; color: var(--fg); transition: .2s; }
.socials a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
.socials svg { width: 19px; height: 19px; }
.footer-col h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-fg); margin-bottom: 18px; }
.footer-col ul { list-style: none; display: grid; gap: 11px; }
.footer-col a, .footer-col li { color: var(--muted-fg); transition: .18s; }
.footer-col a:hover { color: var(--primary); }
.footer-contact div { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; color: var(--muted-fg); }
.footer-contact svg { width: 17px; height: 17px; color: var(--primary); flex-shrink: 0; margin-top: 4px; }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 44px; padding-top: 24px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--muted-fg); font-size: .9rem; }
.footer-bottom a { color: var(--muted-fg); }
.footer-bottom a:hover { color: var(--primary); }
.footer-bottom .legal-links { display: flex; gap: 22px; flex-wrap: wrap; }
.site-version { margin-left: 8px; font-size: .82em; opacity: .6; letter-spacing: .03em; }

/* ---------- Legal pages ---------- */
.legal { padding: 70px 0; max-width: 880px; }
.legal h1 { font-size: clamp(2rem, 5vw, 2.8rem); margin-bottom: 12px; }
.legal .sub { color: var(--muted-fg); margin-bottom: 44px; font-size: 1.1rem; }
.legal h2 { font-size: 1.4rem; margin: 38px 0 14px; display: flex; align-items: baseline; gap: 12px; }
.legal h2 .num { color: var(--primary); font-size: 1.1rem; }
.legal h3 { font-size: 1.1rem; margin: 22px 0 8px; }
.legal p { color: var(--muted-fg); margin-bottom: 14px; }
.legal ul { color: var(--muted-fg); margin: 0 0 16px 22px; display: grid; gap: 8px; }
.legal strong { color: var(--fg-strong); }
.legal .updated { margin-top: 44px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted-fg); font-size: .92rem; }
.legal a { color: var(--primary); }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); margin-bottom: 30px; font-weight: 500; }
.back-link svg { width: 18px; height: 18px; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq details {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 4px 24px; transition: border-color .2s;
}
.faq details[open] { border-color: hsla(212,100%,50%,0.45); }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 0; font-weight: 600; color: var(--fg-strong);
  font-size: 1.08rem; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 1.6rem; font-weight: 400; color: var(--primary);
  transition: transform .25s ease; line-height: 1; flex-shrink: 0;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted-fg); padding: 0 0 22px; margin: 0; }

/* ---------- Zone d'intervention ---------- */
.zone-intro { max-width: 760px; margin: 0 auto 38px; text-align: center; color: var(--muted-fg); font-size: 1.05rem; }
.zone-intro a { color: var(--primary); font-weight: 600; }
.zone-grid { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; max-width: 920px; margin: 0 auto; }
.zone-chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--border); color: var(--fg); font-weight: 500; transition: .2s;
}
.zone-chip:hover { border-color: hsla(212,100%,50%,0.5); color: #fff; transform: translateY(-2px); }
.zone-chip svg { width: 15px; height: 15px; color: var(--primary); flex-shrink: 0; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
/* En-tête : on masque d'abord le numéro de téléphone, puis on bascule en menu burger */
@media (max-width: 1180px) {
  .nav-phone { display: none; }
}
@media (max-width: 1040px) {
  .nav-links { display: none; }
  .burger { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: stretch; gap: 4px;
    position: absolute; top: 76px; left: 0; right: 0; background: #000;
    border-bottom: 1px solid var(--border); padding: 14px 22px;
  }
  .nav-links.open a { padding: 13px 14px; white-space: normal; }
}
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .grid-3, .grid-4, .grid-2, .values-grid, .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .hero-logo { width: 160px; height: 160px; }
  .cta-inner { padding: 44px 22px; }
}
/* Très petits écrans : on évite que la marque + le bouton ne se serrent trop */
@media (max-width: 380px) {
  .brand span { display: none; }
}