/* ==========================================================
   DOMINVEST – Rendement locatif optimisé
   ========================================================== */
:root{
  --teal:#16b3a2;
  --teal-2:#1ebaa8;
  --teal-dark:#0f8f80;
  --pale:#e7f7f4;
  --grey:#8a8a8a;
  --grey-card:#a3a3a3;
  --dark:#151515;
  --header-h:82px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:'Poppins',sans-serif;color:#333;background:#fff;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}

/* ---------- Préchargement ---------- */
#preloader{position:fixed;inset:0;z-index:9999;background:#bfe9e3;display:flex;align-items:center;justify-content:center;transition:opacity .6s ease,visibility .6s}
#preloader img{width:min(420px,70vw);animation:pulse 1.4s ease-in-out infinite}
#preloader.hide{opacity:0;visibility:hidden}
@keyframes pulse{0%,100%{opacity:.55;transform:scale(.97)}50%{opacity:1;transform:scale(1)}}

/* ---------- En-tête ---------- */
#header{position:fixed;top:0;left:0;right:0;z-index:100;background:#e2e2e2;height:var(--header-h);transition:height .3s,box-shadow .3s}
#header.scrolled{height:70px;box-shadow:0 2px 12px rgba(0,0,0,.08)}
.header-inner{max-width:1170px;height:100%;margin:0 auto;padding:0 15px;display:flex;align-items:center;gap:40px}
.logo img{height:52px;width:auto}
.header-phone{display:flex;align-items:center;gap:8px;line-height:1.05}
.header-phone img{width:46px;height:46px}
.header-phone strong{display:block;font-family:'Roboto',sans-serif;font-weight:500;font-size:19px;color:#8f8f8f}
.header-phone small{display:block;font-family:'Roboto',sans-serif;font-weight:500;font-size:16px;color:#8f8f8f}
#nav{display:flex;gap:34px;margin-left:auto}
#nav a{font-weight:500;font-size:15px;color:var(--teal);position:relative;padding:6px 0}
#nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--teal);transform:scaleX(0);transition:transform .3s}
#nav a:hover::after,#nav a.active::after{transform:scaleX(1)}
.btn-rdv{background:#000;color:var(--teal);font-weight:600;font-size:15px;padding:18px 26px;border-radius:40px;transition:transform .2s,background .2s}
.btn-rdv:hover{background:#1c1c1c;transform:translateY(-2px)}
.burger{display:none;background:none;border:0;cursor:pointer;margin-left:auto;width:34px}
.burger span{display:block;height:3px;background:var(--teal);margin:6px 0;border-radius:2px}

/* ---------- Boutons ---------- */
.btn-white{display:inline-flex;align-items:center;gap:22px;background:#fff;color:#111;font-weight:500;font-size:17px;padding:20px 34px;border-radius:40px;box-shadow:0 6px 18px rgba(0,0,0,.08);transition:transform .25s,box-shadow .25s}
.btn-white:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.14)}
.btn-white .arrow{font-size:16px}
.btn-white.small{font-size:14px;font-weight:600;padding:15px 34px}

/* ---------- Titres de sections ---------- */
.section-head{text-align:center;display:flex;flex-direction:column;align-items:center;gap:30px}
.section-head h2{font-weight:700;font-size:50px;line-height:1}
.title-white{color:#fff}
.title-pale{color:#e4f6f2}
.title-pale-white{color:#fff}
.section-icon{width:140px;height:auto}
.section-icon.courrier{width:130px;opacity:.9}
.lead{text-align:center;font-weight:700;font-size:30px;line-height:1.25;color:var(--grey);max-width:1600px;margin:0 auto;padding:0 40px}

/* ---------- Accueil ---------- */
.hero{background:var(--teal);padding:calc(var(--header-h) + 58px) 0 100px;display:grid;grid-template-columns:36.5% 63.5%;align-items:start}
.hero-text{text-align:center;color:#fff;padding:0 8px}
.hero-sub{font-weight:600;font-size:23px;margin:14px 0 110px}
.hero h1{font-weight:700;font-size:31px;line-height:1.24;margin-bottom:50px}
.hero-img img{width:100%;height:auto}

/* ---------- Service ---------- */
.service{background:linear-gradient(180deg,var(--teal-2) 0%,#3fc5b5 35%,#8fdcd1 70%,var(--pale) 100%);padding:110px 0 90px}
.service .lead{margin:70px auto 18px}
.panorama{max-width:1540px;margin:0 auto;padding:0 63px}
.panorama img{width:100%}

.accompagnement{background:linear-gradient(180deg,var(--pale) 0%,#9ee0d6 50%,var(--teal-2) 100%);display:grid;grid-template-columns:39% 61%;align-items:center;padding:40px 12px 16px 0}
.acc-left{text-align:center;padding:0 40px 60px}
.acc-sub{font-weight:600;font-size:23px;color:var(--teal);margin-bottom:75px}
.accompagnement h2{font-weight:700;font-size:43px;line-height:1.18;color:var(--grey);margin-bottom:100px}
.acc-card{background:#141414 url('../assets/fond-sombre.jpg') center/cover no-repeat;border-radius:44px;padding:52px 40px 44px;display:grid;grid-template-columns:1fr 1fr;gap:34px 60px;font-family:'Roboto',sans-serif}
.acc-item h3{font-weight:700;font-size:35px;color:var(--grey-card);margin-bottom:10px}
.acc-item p{font-weight:700;font-size:20px;line-height:1.42;color:var(--grey-card);max-width:340px}

/* ---------- Bandeau défilant ---------- */
.marquee{background:var(--pale);overflow:hidden;padding:14px 0;white-space:nowrap}
.marquee-track{display:inline-flex;animation:scroll 28s linear infinite}
.marquee span{font-family:'Roboto',sans-serif;font-weight:700;font-size:42px;color:var(--teal)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Offre ---------- */
.offre{background:linear-gradient(180deg,var(--teal-2) 0%,#5fcfc1 40%,#bfeee6 75%,var(--pale) 100%);padding:90px 0 20px}
.offre .lead{font-size:30px;margin:100px auto 70px}
.offre-grid{max-width:1710px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);padding:0 40px}
.offre-item{display:flex;flex-direction:column;align-items:center}
.offre-item img{width:212px;height:212px;object-fit:cover;border-radius:34px;box-shadow:0 4px 14px rgba(0,0,0,.05);transition:transform .3s}
.offre-item img:hover{transform:scale(1.05)}
.offre-item h3{font-family:'Roboto',sans-serif;font-weight:700;font-size:31px;color:var(--grey);margin-top:40px}

/* ---------- Étapes ---------- */
.etapes{background:#fff;padding:90px 0 40px}
.etapes .section-head h2{font-size:52px}
.etapes .section-icon{width:125px}
.etapes-intro{max-width:1100px;margin:50px auto 60px;text-align:center;font-weight:600;font-size:18px;color:#9a9a9a;padding:0 30px}
.etapes-grid{max-width:1710px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);padding:0 60px 0 106px;gap:20px}
.etape img{width:150px;height:150px;object-fit:contain;margin:0 0 40px 20px}
.etape h3{font-weight:700;font-size:34px;color:var(--teal);margin-bottom:14px}
.etape p{font-weight:700;font-size:18px;line-height:1.22;color:var(--grey);max-width:215px}

/* ---------- Réalisation ---------- */
.realisation{background:linear-gradient(180deg,var(--teal) 0%,#8fdcd1 25%,#fff 42%,#fff 50%,#8fdcd1 70%,var(--teal) 100%);padding:90px 0 20px}
.real-grid{display:grid;grid-template-columns:26% 1fr 26%;gap:50px;align-items:start;margin-top:40px;padding:0 10px}
.real-left img{width:100%;border-radius:0 0 50px 50px}
.real-right img{width:100%}
.real-center{padding-top:0}

/* slider avant/après */
.ba-slider{position:relative;width:100%;aspect-ratio:586/432;overflow:hidden;border-radius:0 0 60px 60px;cursor:ew-resize;user-select:none;touch-action:none}
.ba-slider img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba-before-wrap{position:absolute;inset:0;width:50%;overflow:hidden}
.ba-before-wrap img{width:calc(100% * 2);max-width:none}
.ba-handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;transform:translateX(-50%)}
.ba-handle span{position:absolute;top:40%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;border:3px solid #fff;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:700;letter-spacing:2px;background:rgba(0,0,0,.08)}
.plan{max-width:730px;margin:60px auto 0}

/* ---------- Contact ---------- */
.contact{background:var(--pale);padding:90px 20px 40px}
.contact .section-head h2{font-size:58px}
.contact-form{max-width:1140px;margin:40px auto 0}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:32px}
.contact-form input,.contact-form textarea{width:100%;border:0;background:#fff;border-radius:22px;padding:11px 12px;font-family:'Poppins',sans-serif;font-size:14px;color:#444;outline:none;transition:box-shadow .2s}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#d8d8d8}
.contact-form input:focus,.contact-form textarea:focus{box-shadow:0 0 0 2px var(--teal)}
.contact-form textarea{height:148px;border-radius:26px;resize:vertical}
.counter{text-align:right;font-size:12px;color:#777;margin:6px 0 28px}
.btn-send{background:var(--teal);color:#fff;border:0;font-family:'Poppins',sans-serif;font-weight:600;font-size:14px;padding:12px 23px;border-radius:30px;cursor:pointer;transition:background .2s}
.btn-send:hover{background:var(--teal-dark)}
.form-msg{margin-top:18px;font-size:14px;color:var(--teal-dark);min-height:20px}

/* ---------- Pied de page ---------- */
.footer{background:#151515 url('../assets/fond-sombre.jpg') center/cover no-repeat;color:#fff}
.footer-inner{max-width:1710px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:22px 40px 30px}
.footer-logo{width:660px;max-width:100%;margin-bottom:60px}
.footer-left p{font-weight:600;font-size:22px;line-height:1.3;max-width:630px}
.footer-left em{font-style:normal;color:var(--teal)}
.footer-right{padding-left:0}
.footer-max{width:590px;max-width:100%;margin:10px 0 14px -14px}
.footer-contact{display:flex;align-items:center;gap:36px;font-weight:600;font-size:23px;margin-bottom:6px;transition:color .2s}
.footer-contact.small{font-size:19px}
.footer-contact:hover{color:var(--teal)}
.footer-contact img{width:64px;height:64px}
.copyright{background:#0d0d0d;text-align:center;font-size:15px;color:#3a3a3a;padding:22px 10px 26px}
.copyright span:first-child{color:var(--teal)}

/* ---------- Retour en haut ---------- */
#toTop{position:fixed;right:28px;bottom:36px;width:50px;height:50px;border-radius:50%;background:var(--teal);color:#fff;font-size:22px;display:flex;align-items:center;justify-content:center;z-index:90;opacity:0;visibility:hidden;transition:opacity .3s,transform .3s}
#toTop.show{opacity:1;visibility:visible}
#toTop:hover{transform:translateY(-3px)}

/* ---------- Animations d'apparition ---------- */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s ease,transform .9s ease}
.reveal.visible{opacity:1;transform:none}
.delay-1{transition-delay:.15s}.delay-2{transition-delay:.3s}.delay-3{transition-delay:.45s}

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width:1200px){
  .header-inner{gap:22px}
  #nav{gap:20px}
  .accompagnement h2{font-size:34px}
  .acc-item h3{font-size:28px}.acc-item p{font-size:17px}
  .etapes-grid{padding:0 30px}
}
@media (max-width:1024px){
  :root{--header-h:70px}
  .header-phone{display:none}
  .burger{display:block}
  .btn-rdv{padding:12px 18px;font-size:14px}
  #nav{position:fixed;top:var(--header-h);left:0;right:0;background:#e2e2e2;flex-direction:column;align-items:center;gap:0;margin:0;max-height:0;overflow:hidden;transition:max-height .35s}
  #nav.open{max-height:300px;box-shadow:0 8px 16px rgba(0,0,0,.08)}
  #nav a{padding:14px 0;width:100%;text-align:center}
  #nav a::after{display:none}
  .hero{grid-template-columns:1fr;padding-top:calc(var(--header-h) + 40px);padding-bottom:60px;gap:40px}
  .hero-sub{margin-bottom:40px}
  .accompagnement{grid-template-columns:1fr;padding:40px 16px}
  .acc-left{padding:0 0 40px}.acc-sub{margin-bottom:30px}.accompagnement h2{margin-bottom:40px}
  .offre-grid,.etapes-grid{grid-template-columns:repeat(2,1fr);gap:50px 20px}
  .etapes-grid{padding:0 30px}
  .real-grid{grid-template-columns:1fr 1fr;gap:24px}
  .real-center{grid-column:1 / -1;order:-1;max-width:640px;width:100%;margin:0 auto}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width:640px){
  .logo img{height:40px}
  .btn-rdv{display:none}
  .section-head h2,.etapes .section-head h2,.contact .section-head h2{font-size:38px}
  .section-icon{width:100px}
  .lead,.offre .lead{font-size:20px;padding:0 16px}
  .hero h1{font-size:24px;padding:0 10px}
  .hero-sub{font-size:19px}
  .panorama{padding:0 16px}
  .service .lead{margin-top:40px}
  .accompagnement h2{font-size:28px}
  .acc-card{grid-template-columns:1fr;padding:34px 24px;border-radius:30px}
  .marquee span{font-size:28px}
  .offre .lead{margin:50px auto 40px}
  .offre-item img{width:160px;height:160px;border-radius:26px}
  .offre-item h3{font-size:22px;margin-top:18px}
  .offre-grid,.etapes-grid{padding:0 16px}
  .etapes-grid{grid-template-columns:1fr;text-align:center}
  .etape img{margin:0 auto 20px;width:110px;height:110px}
  .etape p{margin:0 auto}
  .real-grid{grid-template-columns:1fr;padding:0 16px}
  .plan{padding:0 16px}
  .contact-form .row{grid-template-columns:1fr;gap:18px;margin-bottom:18px}
  .footer-inner{padding:24px 16px}
  .footer-left p{font-size:18px}
  .footer-contact{font-size:16px;gap:16px;word-break:break-all}
  .footer-contact.small{font-size:15px}
  .footer-contact img{width:48px;height:48px}
  #toTop{right:16px;bottom:20px}
}

/* ---------- FAQ (SEO / GEO) ---------- */
.faq{background:#fff;padding:90px 20px 70px}
.faq-title{color:var(--teal);font-size:46px}
.faq-intro{text-align:center;font-weight:600;font-size:18px;color:#9a9a9a;margin:24px auto 40px;max-width:900px}
.faq-list{max-width:1000px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--pale);border-radius:22px;padding:0 28px;transition:background .2s}
.faq-item[open]{background:#d9f2ed}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:28px;font-weight:600;color:var(--teal);flex-shrink:0;transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item h3{font-weight:600;font-size:19px;color:#555}
.faq-item p{font-size:16px;line-height:1.65;color:#666;padding:0 0 22px}
@media (max-width:640px){.faq-title{font-size:32px}.faq-item{padding:0 18px}.faq-item h3{font-size:16px}.faq-item p{font-size:15px}}

/* ---------- Hiérarchie des titres (SEO) ---------- */
.section-head .section-label{font-weight:700;font-size:50px;line-height:1}
.etapes .section-head .section-label{font-size:52px}
.contact .section-head .section-label{font-size:58px}
.section-head .section-label.faq-title{font-size:46px}
.hero .hero-sub{font-size:23px;font-weight:600}
.hero-title{font-weight:700;font-size:31px;line-height:1.24;margin-bottom:50px}
.real-lead{margin:50px auto 0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (max-width:640px){
  .section-head .section-label,.etapes .section-head .section-label,.contact .section-head .section-label{font-size:38px}
  .section-head .section-label.faq-title{font-size:32px}
  .hero-title{font-size:24px;padding:0 10px}
  .hero .hero-sub{font-size:19px}
}