/* =========================================================
   LP CORE — réutilisable tel quel pour tous les clients.
   Toutes les couleurs viennent des variables de theme.css.
   Mobile first. Aucune dépendance.
   ========================================================= */

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:16px}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;padding-bottom:72px}
img,svg{display:block;max-width:100%;height:auto}
svg{width:1em;height:1em;flex:none}
a{color:var(--brand)}
h1,h2,h3{font-family:var(--font-head,var(--font));line-height:1.2;margin:0 0 .5em;color:var(--brand);font-weight:900}
h1{font-size:clamp(1.75rem,5.5vw,2.75rem)}
h2{font-size:clamp(1.5rem,4vw,2.1rem)}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 16px}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.text-center{text-align:center}
:focus-visible{outline:3px solid var(--accent-light);outline-offset:2px}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:48px;padding:.75em 1.5em;border:2px solid var(--accent);border-radius:var(--radius-btn);background:var(--accent);color:#fff;font-weight:700;font-size:1rem;line-height:1.2;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,transform .15s}
.btn:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.btn:active{transform:translateY(1px)}
.btn--lg{min-height:56px;font-size:1.08rem;padding:.9em 1.8em}
.btn--block{width:100%}
.btn--ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn--ghost:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn--light{background:#fff;border-color:#fff;color:var(--brand)}
.btn--light:hover{background:var(--brand-soft);border-color:var(--brand-soft)}
.btn--outline-light{background:transparent;border-color:#fff;color:#fff}
.btn--outline-light:hover{background:#fff;color:var(--brand)}
.btn[disabled],.btn.is-loading{opacity:.7;pointer-events:none}
.link-btn{background:none;border:0;padding:4px;color:var(--muted);text-decoration:underline;cursor:pointer;font-size:.9rem}

/* ---------- Topbar ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--line)}
.topbar__in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.topbar__logo img{width:180px;height:auto}
.topbar__right{display:flex;align-items:center;gap:12px}
.topbar__phone{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:900;color:var(--brand);font-size:1.1rem;white-space:nowrap}
.topbar__phone svg{width:36px;height:36px;padding:8px;border-radius:50%;background:var(--brand-soft);color:var(--brand)}
.topbar__phone small{display:block;font-weight:400;font-size:.75rem;color:var(--muted)}
.topbar__phone .num{display:none}
.topbar__cta{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--brand);color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(1,50,79,.72) 0%,rgba(1,50,79,.88) 55%,var(--brand-dark) 100%)}
.hero__grid{position:relative;z-index:1;display:grid;gap:24px;padding-top:28px;padding-bottom:32px}
.hero h1{color:#fff;margin-bottom:.35em}
.hero__lead{font-size:1.08rem;color:#e6f2f8;margin-bottom:1em}
.hero__checks{display:grid;gap:8px;margin-bottom:18px}
.hero__checks li{display:flex;gap:10px;align-items:flex-start;font-weight:700}
.hero__checks svg{width:22px;height:22px;color:var(--accent-light);margin-top:1px}
.badges{display:flex;flex-wrap:wrap;gap:8px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:100px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:.85rem;font-weight:700}
.badge svg{width:16px;height:16px;color:var(--accent-light)}

/* ---------- Formulaire ---------- */
.form-card{background:#fff;color:var(--text);border-radius:var(--radius);box-shadow:0 18px 50px rgba(1,30,50,.35);padding:22px 18px;scroll-margin-top:12px}
.form-card__head h2{font-size:1.35rem;margin-bottom:.2em}
.form-card__head p{color:var(--muted);font-size:.95rem;margin-bottom:14px}
.form-card__head strong{color:var(--accent)}
.progress{display:flex;gap:6px;margin:0 0 6px}
.progress span{flex:1;height:6px;border-radius:6px;background:var(--line);transition:background .3s}
.progress span.is-done{background:var(--accent)}
.progress-label{font-size:.8rem;color:var(--muted);margin-bottom:12px;font-weight:700}
.step{display:none;border:0;padding:0;margin:0;min-width:0}
.step.is-active{display:block;animation:stepIn .25s ease}
@keyframes stepIn{from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:none}}
.step__title{font-weight:900;color:var(--brand);font-size:1.1rem;margin:0 0 12px;padding:0}
.step__hello{background:var(--brand-soft);color:var(--brand);border-radius:10px;padding:10px 12px;font-size:.92rem;margin-bottom:14px}
.row{display:grid;gap:10px}
.row--m2{grid-template-columns:1fr 1fr}
.field{margin-bottom:10px}
.field>label,.field>.label{display:block;font-size:.85rem;font-weight:700;margin-bottom:4px;color:var(--brand)}
.field input,.field select,.field textarea{width:100%;min-height:50px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;font-size:16px;transition:border-color .15s,box-shadow .15s;-webkit-appearance:none;appearance:none}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23014674' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:18px;padding-right:40px}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.field [aria-invalid=true]{border-color:var(--error)}
.field__err{display:none;color:var(--error);font-size:.8rem;margin:4px 0 0}
.field [aria-invalid=true]~.field__err,.field.is-invalid .field__err{display:block}
.field__unit{position:relative}
.field__unit::after{content:attr(data-unit);position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.9rem;pointer-events:none}
.field__unit input{padding-right:36px}
.is-hidden{display:none!important}

/* Choix en pilules (radios) */
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pills label{position:relative;cursor:pointer}
.pills input{position:absolute;opacity:0;inset:0;cursor:pointer}
.pills span{display:inline-flex;align-items:center;min-height:44px;padding:8px 18px;border:1.5px solid var(--line);border-radius:100px;font-weight:700;font-size:.95rem;transition:all .15s}
.pills input:checked+span{background:var(--brand);border-color:var(--brand);color:#fff}
.pills input:focus-visible+span{outline:3px solid var(--accent-light);outline-offset:2px}

/* Choix par schémas (radios image) */
.schemas{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.schemas label{position:relative;cursor:pointer}
.schemas input{position:absolute;opacity:0;inset:0;cursor:pointer}
.schemas span{display:flex;align-items:center;justify-content:center;aspect-ratio:3/2;padding:4px;border:2px solid var(--line);border-radius:8px;background:#fff;transition:border-color .15s,box-shadow .15s}
.schemas img{width:100%;height:100%;object-fit:contain}
.schemas input:checked+span{border-color:var(--accent);box-shadow:0 0 0 3px rgba(78,130,33,.25)}
.schemas input:focus-visible+span{outline:3px solid var(--accent-light)}

.form-nav{display:flex;gap:10px;align-items:center;margin-top:6px}
.form-nav .btn{flex:1}
.form-nav .btn--ghost{flex:0 0 auto;padding-left:1em;padding-right:1em}
.form-legal{font-size:.75rem;color:var(--muted);margin:10px 0 0;line-height:1.45}
.form-phone{text-align:center;font-size:.9rem;margin:10px 0 0}
.form-phone a{font-weight:900;text-decoration:none}
.form-skip{text-align:center;margin:8px 0 0}
.form-msg{display:none;margin-top:10px;padding:10px 12px;border-radius:10px;font-size:.9rem}
.form-msg.is-error{display:block;background:#fdecea;color:var(--error)}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}

/* ---------- Bandeau réassurance ---------- */
.trust{background:var(--bg-alt);border-bottom:1px solid var(--line)}
.trust__in{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding-top:18px;padding-bottom:18px}
.trust__item{display:flex;gap:10px;align-items:center;font-size:.85rem;line-height:1.3;color:var(--muted)}
.trust__item strong{display:block;color:var(--brand);font-size:.95rem}
.trust__item svg{width:34px;height:34px;padding:7px;border-radius:50%;background:var(--brand-soft);color:var(--brand)}

/* ---------- Sections ---------- */
.section{padding:48px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--brand);color:#e6f2f8}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:760px;margin:0 auto 28px;text-align:center}
.section-head p{color:var(--muted)}
.section--dark .section-head p{color:#cfe3ee}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:.5em}
.section--dark .eyebrow{color:var(--accent-light)}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:28px}

.cards{display:grid;gap:14px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card__icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:12px}
.card__icon svg{width:24px;height:24px}
.card p{color:var(--muted);margin:0;font-size:.95rem}

.checks{display:grid;gap:10px;margin:0 0 1.2em}
.checks li{display:flex;gap:10px;align-items:flex-start}
.checks svg{width:22px;height:22px;color:var(--accent);margin-top:2px}

.split{display:grid;gap:24px;align-items:center}
.split__media img{width:100%;border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover}

/* Comparatif liner / PVC armé */
.versus{display:grid;gap:14px}
.versus__col{background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:22px}
.versus__col--best{border-color:var(--accent);position:relative}
.versus__tag{position:absolute;top:-12px;left:20px;background:var(--accent);color:#fff;font-size:.75rem;font-weight:900;padding:3px 10px;border-radius:100px;text-transform:uppercase;letter-spacing:.05em}
.versus__col ul{display:grid;gap:8px;margin-top:10px}
.versus__col li{display:flex;gap:8px;font-size:.95rem}
.versus__col li svg{width:20px;height:20px;color:var(--accent);margin-top:2px}

/* Galerie : défilement horizontal sur mobile, grille sur desktop */
.gallery{display:grid;grid-auto-flow:column;grid-auto-columns:78%;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.gallery figure{margin:0;scroll-snap-align:start;position:relative;border-radius:var(--radius);overflow:hidden;background:var(--line)}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 12px 10px;background:linear-gradient(transparent,rgba(1,30,50,.85));color:#fff;font-weight:700;font-size:.9rem}

/* Étapes */
.steps{display:grid;gap:14px;counter-reset:s;list-style:none;margin:0;padding:0}
.steps li{position:relative;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:20px 20px 20px 70px;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;left:18px;top:18px;width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;font-weight:900;display:grid;place-items:center}
.steps h3{margin-bottom:.25em}
.steps p{margin:0;font-size:.95rem}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px}
.faq summary{cursor:pointer;list-style:none;padding:16px 48px 16px 18px;font-weight:700;color:var(--brand);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.5rem;font-weight:400;color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 18px 16px;margin:0;color:var(--muted)}

/* Bandeau CTA */
.cta-band{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;border-radius:var(--radius);padding:32px 20px;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#cfe3ee}

/* ---------- Footer ---------- */
.footer{background:var(--brand-dark);color:#b9d0de;font-size:.9rem;padding:32px 0 24px}
.footer a{color:#fff}
.footer__grid{display:grid;gap:18px}
.footer__logo{width:160px;filter:brightness(0) invert(1)}
.footer__legal{border-top:1px solid rgba(255,255,255,.12);margin-top:20px;padding-top:16px;font-size:.8rem;display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between}

/* ---------- Barre mobile collante ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;grid-template-columns:1fr 1.4fr;gap:8px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:#fff;box-shadow:0 -6px 20px rgba(1,30,50,.15);transform:translateY(0);transition:transform .25s}
.sticky-bar.is-hidden-bar{transform:translateY(110%)}
.sticky-bar .btn{min-height:50px;padding:.6em 1em}

/* ---------- Bannière cookies ---------- */
.cookie{position:fixed;left:10px;right:10px;bottom:84px;z-index:60;display:none;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 40px rgba(1,30,50,.25);padding:14px 16px;font-size:.85rem;max-width:460px}
.cookie.is-visible{display:block}
.cookie p{margin:0 0 10px}
.cookie__btns{display:flex;gap:8px}
.cookie__btns .btn{min-height:40px;padding:.5em 1.2em;font-size:.9rem;flex:1}

/* ---------- Page merci / index ---------- */
.thanks{min-height:70vh;display:grid;place-items:center;text-align:center;padding:48px 0}
.thanks__icon{width:72px;height:72px;margin:0 auto 16px;color:var(--accent)}
.thanks .steps li{background:var(--bg-alt);border-color:var(--line);text-align:left}
.lp-list{display:grid;gap:14px}
.lp-list a{display:block;text-decoration:none;color:inherit}
.lp-list .card{transition:border-color .15s,transform .15s}
.lp-list a:hover .card{border-color:var(--brand);transform:translateY(-2px)}
.tag{display:inline-block;font-size:.72rem;font-weight:900;text-transform:uppercase;padding:2px 8px;border-radius:100px;background:var(--brand-soft);color:var(--brand)}

/* ---------- Mobile : formulaire le plus haut possible ---------- */
@media (max-width:639px){
  .topbar__in{min-height:56px}
  .topbar__logo img{width:150px}
  .topbar__phone svg{width:32px;height:32px;padding:7px}
  .hero__grid{gap:16px;padding-top:20px}
  .hero h1{font-size:1.55rem}
  .hero__lead,.badges{display:none}
  .hero__checks{gap:4px;margin-bottom:0;font-size:.92rem}
  .hero__checks svg{width:19px;height:19px}
  .form-card{padding:18px 14px}
  .form-card__head h2{font-size:1.2rem}
  .cookie{padding:10px 12px;font-size:.78rem;bottom:78px}
  .cookie p{margin-bottom:8px}
  .cookie__btns .btn{min-height:36px;font-size:.85rem}
}

/* ---------- Tablette / desktop ---------- */
@media (min-width:640px){
  .row--2{grid-template-columns:1fr 1fr}
  .trust__in{grid-template-columns:repeat(4,1fr)}
  .cards--3{grid-template-columns:repeat(2,1fr)}
  .versus{grid-template-columns:1fr 1fr}
  .gallery{grid-auto-columns:46%}
  .steps{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:2fr 1fr 1fr}
  .schemas{grid-template-columns:repeat(4,1fr);gap:8px}
  .cookie{left:20px;bottom:20px}
  .topbar__phone .num{display:inline}
  .topbar__phone .lbl{display:none}
}
@media (min-width:960px){
  body{padding-bottom:0}
  .sticky-bar{display:none}
  .topbar__cta{display:inline-flex}
  .hero__grid{grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:56px;padding-bottom:64px}
  .hero__bg::after{background:linear-gradient(90deg,rgba(1,50,79,.92) 0%,rgba(1,50,79,.8) 50%,rgba(1,50,79,.55) 100%)}
  .form-card{padding:28px 26px}
  .section{padding:72px 0}
  .cards--3{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr 1fr;gap:48px}
  .split--rev .split__media{order:2}
  .gallery{grid-auto-flow:row;grid-template-columns:repeat(4,1fr);overflow:visible}
  .steps{grid-template-columns:repeat(4,1fr)}
  .steps li{padding:70px 20px 22px}
  .cta-band{padding:48px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}