/* =========================================================
   Expert Piscine Polyester - feuille de style
   Palette officielle (dossier de refonte 24/10/2026) :
   marine #082C43 / turquoise #36BBD0 / jaune #FFC400
   ========================================================= */

:root{
  --marine:#082C43;
  --marine-2:#0B3454;
  --turquoise:#36BBD0;
  --turquoise-dark:#1F94A8;
  --jaune:#FFC400;
  --jaune-dark:#E0AC00;
  --ink:#10273A;
  --paper:#FFFFFF;
  --mist:#F4F8FA;
  --line:#E1E8EC;
  --text-muted:#5A7284;
  --max:1240px;
  --radius:14px;
  --font-title:'Playfair Display', Georgia, serif;
  --font-body:'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow-soft:0 10px 30px rgba(8,44,67,.10);
  --shadow-card:0 6px 18px rgba(8,44,67,.08);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth; overflow-x:hidden;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
  max-width:100vw;
}
img{max-width:100%; display:block; height:auto;}
a{color:var(--turquoise-dark); text-decoration:none;}
a:hover{color:var(--marine);}
h1,h2,h3,h4{font-family:var(--font-title); color:var(--marine); margin:0 0 .5em; line-height:1.2;}
p{line-height:1.65; color:var(--ink);}
.container-epp{max-width:var(--max); margin:0 auto; padding:0 20px;}

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--marine); color:#fff;
  padding:10px 16px; z-index:2000; border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 22px; border-radius:999px; font-weight:700; font-size:.95rem;
  border:2px solid transparent; cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-devis{
  background:var(--jaune); color:var(--marine);
  box-shadow:0 6px 16px rgba(255,196,0,.35);
}
.btn-devis:hover{background:var(--jaune-dark); color:var(--marine); transform:translateY(-2px); box-shadow:0 10px 22px rgba(255,196,0,.45);}
.btn-outline{
  background:transparent; color:#fff; border-color:rgba(255,255,255,.55);
}
.btn-outline:hover{background:rgba(255,255,255,.12); color:#fff;}
.btn-outline-marine{
  background:transparent; color:var(--marine); border-color:var(--marine);
}
.btn-outline-marine:hover{background:var(--marine); color:#fff;}
.btn-block{width:100%; justify-content:center;}
.btn-avis-google{
  display:inline-flex; align-items:center; gap:8px; margin-top:12px;
  font-weight:600; color:var(--marine); font-size:.92rem;
}
.btn-avis-google:hover{color:var(--turquoise-dark);}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:1000;
  background:var(--marine);
  box-shadow:0 2px 14px rgba(8,44,67,.18);
}
.site-header-inner{
  max-width:var(--max); margin:0 auto; padding:10px 20px;
  display:flex; align-items:center; gap:24px;
}
.site-logo{display:flex; align-items:center; gap:10px; color:#fff;}
.site-logo:hover{color:#fff;}
.site-logo img{border-radius:50%; background:#fff; padding:3px;}
.site-logo-text strong{display:block; font-family:var(--font-title); font-size:1.05rem; line-height:1.1;}
.site-logo-text small{display:block; font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; color:var(--turquoise);}

.site-nav{display:flex; gap:4px; margin-left:auto;}
.site-nav > a{
  color:#DCE9EF; font-weight:600; font-size:.92rem; padding:10px 12px; border-radius:8px;
  transition:background .15s ease, color .15s ease;
}
.site-nav > a:hover, .site-nav > a.active{background:rgba(255,255,255,.1); color:#fff;}
.site-nav > a.active{box-shadow:inset 0 -3px 0 var(--turquoise);}

.site-header-actions{display:flex; align-items:center; gap:14px;}

.burger{
  display:none; width:42px; height:42px; border-radius:10px; border:1px solid rgba(255,255,255,.3);
  background:transparent; padding:0; flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.burger span{display:block; width:20px; height:2px; background:#fff; border-radius:2px; transition:transform .2s ease, opacity .2s ease;}
.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);}

/* ---------- Mobile nav ---------- */
.nav-backdrop{
  position:fixed; inset:0; background:rgba(8,44,67,.5); z-index:1040;
}
.mobile-nav{
  position:fixed; top:0; right:0; bottom:0; width:min(340px, 86vw);
  background:var(--marine); color:#fff; z-index:1050;
  display:flex; flex-direction:column; padding:18px 20px 26px;
  box-shadow:-12px 0 30px rgba(0,0,0,.25);
  transform:translateX(100%); transition:transform .25s ease;
}
.mobile-nav.open{transform:translateX(0);}
.mnav-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:18px;}
.mnav-logo{display:flex; align-items:center; gap:10px; color:#fff; font-weight:700;}
.mnav-logo img{border-radius:50%; background:#fff; padding:3px;}
.mnav-close{background:transparent; border:0; color:#fff; font-size:1.8rem; line-height:1; padding:4px 8px;}
.mnav-links{display:flex; flex-direction:column; border-top:1px solid rgba(255,255,255,.15);}
.mnav-links > a{
  color:#DCE9EF; font-weight:600; padding:14px 2px; border-bottom:1px solid rgba(255,255,255,.12);
}
.mnav-links > a.active{color:var(--turquoise);}
.mnav-cta{margin-top:18px;}
.mnav-contact{margin-top:20px; font-size:.88rem; color:#C9DAE2;}
.mnav-contact a{display:inline-flex; align-items:center; gap:8px; color:#fff; font-weight:700; margin-bottom:6px;}
.mnav-contact svg{flex:none;}

/* ---------- Hero generique (toutes pages interieures) ---------- */
.page-hero{
  position:relative; color:#fff; overflow:hidden;
  background:var(--marine);
}
.page-hero-bg{
  position:absolute; inset:0; background-size:cover; background-position:center;
}
.page-hero-bg::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(8,44,67,.92) 0%, rgba(8,44,67,.78) 38%, rgba(8,44,67,.35) 100%);
}
.page-hero-inner{
  position:relative; max-width:var(--max); margin:0 auto; padding:72px 20px 92px;
}
.page-hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px; text-transform:uppercase; letter-spacing:.08em;
  font-size:.78rem; font-weight:700; color:var(--turquoise); margin-bottom:14px;
}
.page-hero h1{color:#fff; font-size:clamp(2rem, 4vw, 3rem); max-width:720px;}
.page-hero h1 em{color:var(--jaune); font-style:normal;}
.page-hero p.lead{max-width:600px; color:#E6EFF2; font-size:1.08rem; margin-bottom:26px;}
.page-hero-actions{display:flex; flex-wrap:wrap; gap:14px;}

.wave-divider{display:block; width:100%; line-height:0; margin-top:-2px;}
.wave-divider svg{width:100%; height:60px; display:block;}

/* ---------- Accueil : hero plein ---------- */
.home-hero{min-height:min(88vh, 740px); display:flex; align-items:center;}
.home-hero .page-hero-inner{padding-top:60px; padding-bottom:110px;}
.home-stats{
  display:flex; flex-wrap:wrap; gap:14px; margin-top:34px;
}
.home-stat{
  background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.18);
  border-radius:12px; padding:14px 18px; backdrop-filter:blur(2px);
}
.home-stat strong{display:block; font-size:1.3rem; color:var(--jaune); font-family:var(--font-title);}
.home-stat span{font-size:.82rem; color:#DCE9EF;}

/* ---------- Sections generiques ---------- */
section{padding:72px 0;}
section.alt{background:var(--mist);}
.section-head{max-width:680px; margin:0 auto 42px; text-align:center;}
.section-head h2{font-size:clamp(1.6rem, 3vw, 2.2rem);}
.section-head p{color:var(--text-muted);}
.eyebrow{
  display:inline-block; text-transform:uppercase; letter-spacing:.08em; font-size:.76rem;
  font-weight:700; color:var(--turquoise-dark); margin-bottom:10px;
}

/* Grilles de cartes (prestations / methode / secteurs) */
.grid-3{display:grid; grid-template-columns:repeat(3, 1fr); gap:22px;}
.grid-2{display:grid; grid-template-columns:repeat(2, 1fr); gap:22px;}

.card-presta{
  background:#fff; border-radius:var(--radius); padding:26px; box-shadow:var(--shadow-card);
  border:1px solid var(--line); transition:transform .18s ease, box-shadow .18s ease;
}
.card-presta:hover{transform:translateY(-4px); box-shadow:var(--shadow-soft);}
.card-presta .icon{
  width:52px; height:52px; border-radius:12px; background:linear-gradient(145deg, var(--turquoise), var(--marine));
  display:flex; align-items:center; justify-content:center; margin-bottom:16px;
}
.card-presta .icon svg{width:26px; height:26px; stroke:#fff;}
.card-presta h3{font-size:1.15rem; margin-bottom:8px;}
.card-presta p{font-size:.92rem; color:var(--text-muted); margin:0;}

.card-photo{
  border-radius:var(--radius); overflow:hidden; position:relative; box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
}
.card-photo img{width:100%; height:100%; object-fit:cover; transition:transform .4s ease;}
.card-photo:hover img{transform:scale(1.06);}
.card-photo figcaption{
  position:absolute; left:0; right:0; bottom:0; padding:14px 16px;
  background:linear-gradient(0deg, rgba(8,44,67,.88), transparent);
  color:#fff; font-size:.85rem; font-weight:600;
}

/* Etapes numerotees (methode) */
.steps{display:grid; grid-template-columns:repeat(auto-fit, minmax(190px, 1fr)); gap:26px; counter-reset:step;}
.step{position:relative; padding-left:54px;}
.step::before{
  counter-increment:step; content:counter(step);
  position:absolute; left:0; top:0; width:40px; height:40px; border-radius:50%;
  background:var(--jaune); color:var(--marine); font-weight:800; font-family:var(--font-title);
  display:flex; align-items:center; justify-content:center; font-size:1.1rem;
}
.step h3{font-size:1.02rem; margin-bottom:4px;}
.step p{font-size:.88rem; color:var(--text-muted); margin:0;}

/* Avant / apres */
.avant-apres{display:grid; grid-template-columns:1fr 1fr; gap:18px; align-items:start;}
.avant-apres figure{margin:0; position:relative; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-card);}
.avant-apres figure img{aspect-ratio:4/3; object-fit:cover;}
.avant-apres figcaption{
  position:absolute; top:12px; left:12px; background:var(--marine); color:#fff;
  font-size:.74rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase;
  padding:5px 12px; border-radius:999px;
}
.avant-apres .apres figcaption{background:var(--turquoise-dark);}
.avant-apres-note{grid-column:1/-1; font-size:.85rem; color:var(--text-muted); margin-top:4px;}

/* Secteurs */
.secteurs-block{
  background:var(--marine); color:#fff; border-radius:var(--radius); padding:38px 32px;
  display:grid; grid-template-columns:1fr 1fr; gap:24px; align-items:center;
}
.secteurs-block h2{color:#fff;}
.secteurs-block h2 em{color:var(--jaune); font-style:normal;}
.secteurs-list{list-style:none; margin:0; padding:0; display:grid; grid-template-columns:1fr 1fr; gap:10px 20px;}
.secteurs-list li{padding-left:22px; position:relative; font-weight:600; color:#E6EFF2;}
.secteurs-list li::before{
  content:''; position:absolute; left:0; top:.5em; width:8px; height:8px; border-radius:50%; background:var(--turquoise);
}

/* Filtres (realisations) */
.filtres{display:flex; flex-wrap:wrap; gap:10px; justify-content:center; margin-bottom:34px;}
.filtre-btn{
  background:#fff; border:1px solid var(--line); color:var(--marine); font-weight:700; font-size:.88rem;
  padding:9px 18px; border-radius:999px; cursor:pointer; transition:background .15s ease, color .15s ease, border-color .15s ease;
}
.filtre-btn:hover{border-color:var(--turquoise);}
.filtre-btn.active{background:var(--jaune); border-color:var(--jaune); color:var(--marine);}

.galerie{display:grid; grid-template-columns:repeat(3, 1fr); gap:18px;}
.galerie figure{margin:0;}
.galerie figcaption{margin-top:8px; font-size:.85rem; color:var(--text-muted);}

/* CTA band */
.cta-band{
  background:linear-gradient(120deg, var(--marine), var(--marine-2));
  color:#fff; border-radius:var(--radius); padding:46px 40px;
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:22px;
}
.cta-band h2{color:#fff; margin-bottom:6px; font-size:1.5rem;}
.cta-band p{color:#DCE9EF; margin:0;}
.cta-band-actions{display:flex; gap:14px; flex-wrap:wrap;}

/* ---------- Formulaire de contact ---------- */
.contact-wrap{display:grid; grid-template-columns:1fr 1.15fr; gap:40px; align-items:start;}
.contact-aside h2{font-size:1.5rem;}
.contact-aside ul{list-style:none; padding:0; margin:20px 0;}
.contact-aside li{display:flex; gap:10px; margin-bottom:14px; font-size:.95rem; color:var(--text-muted);}
.contact-aside li svg{flex:none; margin-top:3px; stroke:var(--turquoise-dark);}

.form-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:32px; box-shadow:var(--shadow-card);
}
.form-group{margin-bottom:18px;}
.form-group label{display:block; font-weight:700; font-size:.9rem; margin-bottom:6px; color:var(--marine);}
.form-group .req{color:var(--turquoise-dark);}
.form-control{
  width:100%; border:1.5px solid var(--line); border-radius:10px; padding:12px 14px; font-size:.95rem;
  font-family:var(--font-body); background:var(--mist); transition:border-color .15s ease, background .15s ease;
}
.form-control:focus{outline:none; border-color:var(--turquoise); background:#fff;}
textarea.form-control{min-height:120px; resize:vertical;}

.radio-cards{display:grid; grid-template-columns:1fr 1fr; gap:10px;}
.radio-card{position:relative;}
.radio-card input{position:absolute; opacity:0; inset:0; cursor:pointer; margin:0;}
.radio-card span{
  display:block; text-align:center; padding:12px 10px; border-radius:10px; border:1.5px solid var(--line);
  font-weight:600; font-size:.9rem; color:var(--marine); background:var(--mist);
  transition:border-color .15s ease, background .15s ease, color .15s ease;
}
.radio-card input:checked + span{background:var(--jaune); border-color:var(--jaune); color:var(--marine);}
.radio-card input:focus-visible + span{outline:2px solid var(--turquoise); outline-offset:2px;}

.photo-upload{
  border:1.5px dashed var(--line); border-radius:10px; padding:18px; text-align:center;
  background:var(--mist); cursor:pointer;
}
.photo-upload input{display:none;}
.photo-upload-label{display:flex; flex-direction:column; align-items:center; gap:6px; color:var(--text-muted); font-size:.88rem; cursor:pointer;}
.photo-upload-label strong{color:var(--marine);}
#photoPreview{display:flex; flex-wrap:wrap; gap:8px; margin-top:12px;}
#photoPreview img{width:62px; height:62px; object-fit:cover; border-radius:8px; border:1px solid var(--line);}

.form-note{font-size:.8rem; color:var(--text-muted); margin-top:10px;}

.alert-devis{border-radius:10px; padding:16px 18px; margin-bottom:24px; font-weight:600; font-size:.95rem;}
.alert-devis.success{background:#E7F8EE; color:#1E7A43; border:1px solid #BEE8CE;}
.alert-devis.error{background:#FDECEC; color:#B23A3A; border:1px solid #F5C6C6;}

.map-wrap{border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-card); margin-top:26px;}
.map-wrap iframe{width:100%; height:260px; border:0; display:block;}

/* ---------- Footer ---------- */
.site-footer{background:var(--marine); color:#DCE9EF; margin-top:60px;}
.site-footer-inner{
  max-width:var(--max); margin:0 auto; padding:56px 20px 36px;
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px;
}
.footer-logo{display:flex; align-items:center; gap:10px; color:#fff; font-size:1.05rem; margin-bottom:14px;}
.footer-logo img{border-radius:50%; background:#fff; padding:3px;}
.footer-col h3{color:#fff; font-size:.95rem; text-transform:uppercase; letter-spacing:.05em; margin-bottom:16px; font-family:var(--font-body);}
.footer-col p{color:#B9CCD6; font-size:.88rem;}
.footer-nap a{color:#fff; font-weight:700;}
.footer-col ul{list-style:none; padding:0; margin:0;}
.footer-col ul li{margin-bottom:9px; font-size:.88rem;}
.footer-col ul li a{color:#B9CCD6;}
.footer-col ul li a:hover{color:#fff;}
.footer-secteurs li{color:#B9CCD6;}

.site-footer-bottom{
  border-top:1px solid rgba(255,255,255,.12); padding:18px 20px;
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:10px;
  max-width:var(--max); margin:0 auto; font-size:.8rem; color:#8FA8B5;
}
.ikdigital-credit a{color:#B9CCD6; font-weight:700;}
.ikdigital-credit a:hover{color:#fff;}
.ikdigital-credit .heart{display:inline-block; animation:heartbeat 1.8s ease-in-out infinite;}

.back-to-top{
  position:fixed; right:20px; bottom:20px; width:46px; height:46px; border-radius:50%;
  background:var(--marine); color:#fff; border:0; font-size:1.1rem; box-shadow:var(--shadow-soft);
  z-index:900; cursor:pointer;
}

@keyframes heartbeat{
  0%, 100%{transform:scale(1);}
  50%{transform:scale(1.18);}
}

/* ---------- Responsive ---------- */
@media (max-width:991px){
  .site-nav{display:none;}
  .burger{display:flex;}
  .grid-3{grid-template-columns:1fr 1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .site-footer-inner{grid-template-columns:1fr 1fr;}
  .galerie{grid-template-columns:repeat(2, 1fr);}
}

@media (max-width:640px){
  .grid-3, .grid-2{grid-template-columns:1fr;}
  .avant-apres{grid-template-columns:1fr;}
  .secteurs-block{grid-template-columns:1fr;}
  .secteurs-list{grid-template-columns:1fr 1fr;}
  .galerie{grid-template-columns:1fr 1fr;}
  .site-footer-inner{grid-template-columns:1fr;}
  .radio-cards{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column; align-items:flex-start;}
  .home-hero{min-height:auto;}
  .page-hero-inner{padding:48px 20px 70px;}
  section{padding:52px 0;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .card-photo img, .card-presta, .btn, .mobile-nav{transition:none !important;}
  .ikdigital-credit .heart{animation:none;}
}