/* ============================================================
   QUENTIN FERMETURES — Design system
   Couleurs extraites du logo : bleu #0082BC / anthracite #3A3B3D
   Concept : le carreau de fenêtre (grille, diagonale, mullions)
   ============================================================ */

:root{
  --blue: #0082BC;
  --blue-dark: #036090;
  --blue-tint: #EAF3F8;
  --blue-tint-2: #DCEBF3;
  --charcoal: #2B2C2E;
  --grey: #55565A;
  --grey-light: #8A8B8E;
  --line: #D9DEE2;
  --white: #FFFFFF;
  --bg: #FBFCFD;

  --font-head: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;

  --maxw: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--bg);
  line-height: 1.55;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }

h1,h2,h3,h4{
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em 0;
  color: var(--charcoal);
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.1rem, 4vw, 3.2rem); font-weight: 700; }
h2{ font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
h3{ font-size: 1.25rem; }

p{ margin: 0 0 1em 0; max-width: 62ch; }
a{ color: var(--blue); text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Visible keyboard focus everywhere */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.85em 1.6em;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid var(--charcoal);
  border-radius: 2px;
  cursor: pointer;
  background: var(--charcoal);
  color: var(--white);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover{ background: var(--blue); border-color: var(--blue); text-decoration:none; color:var(--white); }
.btn-outline{
  background: transparent;
  color: var(--charcoal);
  border-color: var(--charcoal);
}
.btn-outline:hover{ background: var(--charcoal); color: var(--white); }
.btn-blue{ background: var(--blue); border-color: var(--blue); }
.btn-blue:hover{ background: var(--blue-dark); border-color: var(--blue-dark); }

/* ---------- Header ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.logo-link{ display:flex; align-items:center; flex-shrink:0; }
.logo-link img{ height: 76px; width:auto; }

.main-nav{ display:flex; align-items:center; gap: 4px; flex-wrap: wrap; }
.main-nav a{
  color: var(--charcoal);
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 10px 12px;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a.active{
  color: var(--blue);
  border-bottom-color: var(--blue);
  text-decoration: none;
}
.header-cta{ display:flex; align-items:center; gap:14px; flex-shrink:0; }
.header-phone{
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--charcoal);
  white-space: nowrap;
  font-size: 1rem;
}
.header-phone span{ display:block; font-family: var(--font-body); font-weight:400; font-size:0.72rem; color:var(--grey-light); }

.nav-toggle{
  display:none;
  background:none; border:none; cursor:pointer;
  width:40px; height:40px;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; position:absolute; left:8px; right:8px; height:2px; background:var(--charcoal);
}
.nav-toggle span{ top:19px; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }

/* ---------- Hero (window-pane motif) ---------- */
.hero{
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.hero-inner{
  max-width: var(--maxw);
  margin:0 auto;
  padding: 56px 24px 0 24px;
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items:center;
}
.hero-eyebrow{
  color: var(--blue);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 14px;
}
.hero-text p{ font-size: 1.12rem; color: var(--grey); max-width: 46ch; }
.hero-actions{ display:flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

.hero-stats{
  display:flex;
  gap: 0;
  margin-top: 44px;
  border-top: 1px solid var(--line);
}
.hero-stats div{
  flex:1;
  padding: 18px 20px 18px 0;
  border-right: 1px solid var(--line);
}
.hero-stats div:last-child{ border-right:none; padding-right:0; }
.hero-stats strong{
  display:block;
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--blue);
}
.hero-stats span{ font-size: 0.85rem; color: var(--grey); }

/* the pane graphic: 2x2 grid, one cell cut diagonally in blue — echoes the logo mark */
.hero-pane{
  aspect-ratio: 1/1;
  display:grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  border: 3px solid var(--charcoal);
  background: var(--white);
}
.hero-pane .cell{
  border: 1.5px solid var(--charcoal);
  background-size: cover;
  background-position: center;
  position:relative;
  overflow:hidden;
}
.hero-pane .cell.cut{
  background: var(--blue);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}
.hero-pane .cell.cut::after{
  content:"";
  position:absolute; inset:0;
  background: var(--charcoal);
  clip-path: polygon(0 0, 0 100%, 100% 100%);
  opacity: 1;
}
.hero-pane .cell.photo{
  background-color: var(--blue-tint);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.pane-caption{
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--grey-light);
  text-align:right;
}

/* ---------- Trust strip ---------- */
.trust-strip{
  background: var(--charcoal);
  color: var(--white);
}
.trust-strip .container{
  display:flex;
  flex-wrap:wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 18px 24px;
}
.trust-strip .item{
  font-family: var(--font-head);
  font-weight:500;
  font-size: 0.92rem;
  display:flex; align-items:center; gap:10px;
}
.trust-strip .item::before{
  content:"";
  width:7px; height:7px;
  background: var(--blue);
  flex-shrink:0;
}

/* ---------- Section basics ---------- */
.section{ padding: 76px 0; }
.section-alt{ background: var(--blue-tint); }
.section-head{
  max-width: 680px;
  margin-bottom: 44px;
}
.section-head p{ color: var(--grey); font-size: 1.05rem; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head.center p{ margin-left:auto; margin-right:auto; }

/* ---------- Services grid (window-pane literalized) ---------- */
.pane-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--charcoal);
  border-left: 1px solid var(--charcoal);
}
.pane-item{
  border-right: 1px solid var(--charcoal);
  border-bottom: 1px solid var(--charcoal);
  padding: 32px 28px;
  background: var(--white);
  transition: background 0.15s ease;
  display:flex;
  flex-direction:column;
}
.pane-item:hover{ background: var(--blue-tint); text-decoration:none; }
.pane-item .num{
  font-family: var(--font-head);
  color: var(--blue-grey-light, var(--grey-light));
  font-size: 0.82rem;
  margin-bottom: 14px;
}
.pane-item h3{ margin-bottom: 10px; color: var(--charcoal); }
.pane-item p{ color: var(--grey); font-size: 0.96rem; margin-bottom: 14px; }
.pane-item .go{
  margin-top:auto;
  font-family: var(--font-head);
  font-weight:600;
  font-size: 0.88rem;
  color: var(--blue);
}

/* ---------- Photo placeholder block (window motif, used until real photos are supplied) ---------- */
.photo-block{
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--blue-tint-2) 50%, var(--white) 50%);
  border: 1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding: 20px;
}
.photo-block .ph-label{
  font-family: var(--font-head);
  font-size: 0.85rem;
  color: var(--grey);
  max-width: 22ch;
}
.photo-block .ph-label b{ display:block; color:var(--charcoal); font-size:0.95rem; margin-bottom:4px;}

/* ---------- Two column layout ---------- */
.two-col{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items:center;
}
.two-col.reverse .col-media{ order:2; }

/* ---------- Numbered process (legit sequence) ---------- */
.process-list{ list-style:none; margin:0; padding:0; counter-reset: step; }
.process-list li{
  counter-increment: step;
  display:flex;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.process-list li:last-child{ border-bottom: 1px solid var(--line); }
.process-list li::before{
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-head);
  font-weight:700;
  font-size: 1.3rem;
  color: var(--blue);
  flex-shrink:0;
  width: 2.2em;
}
.process-list h4{ margin:0 0 4px 0; font-size:1.05rem; }
.process-list p{ margin:0; color:var(--grey); font-size:0.95rem; }

/* ---------- Testimonials ---------- */
.testi-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.testi{
  background: var(--white);
  padding: 30px 26px;
}
.testi p{ color: var(--charcoal); font-size: 0.98rem; }
.testi .who{ font-family: var(--font-head); font-weight:600; font-size: 0.88rem; color: var(--grey); margin-top: 14px; }

/* ---------- Zone map ---------- */
.zone-list{
  display:flex; flex-wrap:wrap; gap: 10px 0;
  padding:0; margin: 18px 0 0 0; list-style:none;
}
.zone-list li{
  font-size: 0.92rem;
  color: var(--grey);
  padding-right: 18px; margin-right: 18px;
  border-right: 1px solid var(--line);
}
.zone-list li:last-child{ border-right:none; }
.map-frame{ border: 1px solid var(--line); width:100%; aspect-ratio: 4/3; }
.map-frame iframe{ width:100%; height:100%; border:0; }

/* ---------- FAQ ---------- */
.faq-item{ border-top: 1px solid var(--line); padding: 22px 0; }
.faq-item:last-child{ border-bottom: 1px solid var(--line); }
.faq-item h3{ font-size: 1.05rem; margin-bottom: 8px; }
.faq-item p{ color: var(--grey); font-size:0.97rem; }

/* ---------- CTA band ---------- */
.cta-band{
  background: var(--blue);
  color: var(--white);
}
.cta-band .container{
  padding: 56px 24px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2{ color: var(--white); margin-bottom:6px; }
.cta-band p{ color: var(--blue-tint); margin:0; }
.cta-band .btn{ background: var(--white); color: var(--blue); border-color: var(--white); }
.cta-band .btn:hover{ background: var(--charcoal); color: var(--white); border-color: var(--charcoal); }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--white);
  border-top: 1px solid var(--line);
  padding: 56px 0 24px 0;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.footer-grid img{ height: 60px; width: auto; margin-bottom: 14px; }
.footer-grid p{ color: var(--grey); font-size: 0.92rem; }
.footer-grid h4{ font-size: 0.92rem; margin-bottom: 14px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; }
.footer-grid li{ margin-bottom: 9px; }
.footer-grid a{ color: var(--grey); font-size: 0.92rem; }
.footer-grid a:hover{ color: var(--blue); }
.footer-bottom{
  padding-top: 20px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size: 0.82rem; color: var(--grey-light);
}
.footer-bottom a{ color: var(--grey-light); }

/* ---------- Home carousel ---------- */
.carousel{
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  border: 1px solid var(--line);
  background: var(--blue-tint);
}
.carousel-track{
  position: relative;
  height: 0;
  padding-bottom: 75%; /* 4:3 aspect ratio, broad compatibility */
  overflow: hidden;
}
.carousel-slide{
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.carousel-slide.active{ opacity: 1; pointer-events: auto; }
.carousel-slide img{
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.carousel-caption{
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: rgba(43,44,46,0.72);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.92rem;
  padding: 10px 18px;
}
.carousel-btn{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--white);
  border: 1px solid var(--line);
  width: 42px; height: 42px;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--charcoal);
  z-index: 5;
}
.carousel-btn:hover{ background: var(--blue); color: var(--white); }
.carousel-prev{ left: 14px; }
.carousel-next{ right: 14px; }
.carousel-dots{
  display:flex; justify-content:center; gap:8px;
  padding: 14px 0;
}
.carousel-dots button{
  width: 9px; height: 9px;
  border-radius: 50%;
  border: none;
  background: var(--line);
  cursor: pointer;
  padding: 0;
}
.carousel-dots button.active{ background: var(--blue); }
@media (max-width: 720px){
  .carousel-btn{ width:36px; height:36px; }
}
.page-hero{
  background: var(--charcoal);
  color: var(--white);
  padding: 54px 0 44px 0;
}
.page-hero .breadcrumb{ font-size: 0.85rem; color: #B7CBD6; margin-bottom: 14px; }
.page-hero .breadcrumb a{ color: #B7CBD6; }
.page-hero h1{ color: var(--white); max-width: 20ch; }
.page-hero p{ color: #C7D3D9; font-size: 1.05rem; max-width: 60ch; }

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

/* ---------- Feature list with check-style markers ---------- */
.feature-list{ list-style:none; padding:0; margin: 20px 0; }
.feature-list li{
  padding: 12px 0 12px 28px;
  border-top: 1px solid var(--line);
  position:relative;
  color: var(--grey);
}
.feature-list li:last-child{ border-bottom: 1px solid var(--line); }
.feature-list li::before{
  content:"";
  position:absolute; left:0; top: 19px;
  width:10px; height:10px;
  background: var(--blue);
}

/* ---------- Contact page ---------- */
.contact-wrap{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items:start;
}
.info-card{
  border: 1px solid var(--line);
  padding: 30px;
  background: var(--white);
}
.info-card h3{ font-size:1rem; margin-bottom: 4px; }
.info-card .row{ display:flex; gap:14px; padding: 16px 0; border-top: 1px solid var(--line); }
.info-card .row:first-of-type{ border-top:none; padding-top:0; }
.info-card .row strong{ font-family: var(--font-head); display:block; font-size:0.85rem; color:var(--grey-light); margin-bottom:2px; font-weight:600;}
.info-card .row a, .info-card .row span{ color: var(--charcoal); font-size: 1rem; }

form.contact-form{ display:flex; flex-direction:column; gap: 18px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-family: var(--font-head); font-size:0.85rem; font-weight:600; color: var(--charcoal); }
.field input, .field select, .field textarea{
  border: 1px solid var(--line);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--white);
  color: var(--charcoal);
  border-radius: 2px;
}
.field textarea{ resize: vertical; min-height: 120px; }
.form-note{ font-size:0.85rem; color: var(--grey-light); }

/* ---------- Legal / simple page ---------- */
.prose{ max-width: 72ch; }
.prose h2{ margin-top: 1.6em; }

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute; left:-999px; top:auto;
  background: var(--charcoal); color:var(--white); padding: 10px 16px; z-index:1000;
}
.skip-link:focus{ left: 16px; top: 16px; }

/* ============ Responsive ============ */
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; padding-top: 32px; }
  .hero-pane{ order:-1; max-width: 360px; margin: 0 auto; }
  .two-col, .two-col.reverse .col-media{ grid-template-columns: 1fr; order:0; }
  .two-col{ grid-template-columns: 1fr; }
  .pane-grid{ grid-template-columns: repeat(2,1fr); }
  .testi-grid{ grid-template-columns: 1fr; }
  .gallery-grid{ grid-template-columns: repeat(2,1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .contact-wrap{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .main-nav{ display:none; }
  .nav-toggle{ display:block; }
  .header-phone span{ display:none; }
  body.nav-open .main-nav{
    display:flex; flex-direction:column;
    position:absolute; top:100%; left:0; right:0;
    background: var(--white); border-bottom:1px solid var(--line);
    padding: 8px 24px 18px 24px;
  }
  .hero-stats{ flex-wrap:wrap; }
  .hero-stats div{ flex:1 1 45%; border-right:none; border-bottom:1px solid var(--line); padding: 14px 0; }
  .trust-strip .container{ flex-direction:column; }
  .pane-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .gallery-grid{ grid-template-columns: 1fr 1fr; }
}