/* KF Rénovation — feuille de style unique, sans dépendance externe */
:root{
  --ink:#1d2125; --ink-2:#454b52; --muted:#6b7178;
  --paper:#f6f2ec; --paper-2:#ede6dc; --white:#fff;
  --red:#c8202f; --red-d:#a2172a; --red-soft:#f6dfe0;
  --line:rgba(29,33,37,.12);
  --radius:14px; --radius-s:9px;
  --shadow:0 1px 2px rgba(29,33,37,.06),0 8px 28px rgba(29,33,37,.08);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--sans);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;height:auto;display:block}
picture{display:contents}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;letter-spacing:-.015em;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2.1rem,4.4vw,3.6rem)}
h2{font-size:clamp(1.6rem,2.8vw,2.35rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:min(var(--wrap),100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:4px}
.ic{width:1.15em;height:1.15em;flex:none}
.eyebrow{font:700 .78rem/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin-bottom:.9rem}
.eyebrow.light{color:#ff9aa3}
.lead{font-size:1.14rem;color:var(--ink-2);max-width:62ch}
.small{font-size:.92rem}.muted{color:var(--muted)}
.center{text-align:center}.center-x{justify-content:center}
.narrow{max-width:760px}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;padding:.78em 1.25em;border-radius:999px;font:600 1rem/1.1 var(--sans);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s}
.btn:hover{transform:translateY(-1px)}
.btn-lg{padding:1em 1.5em;font-size:1.04rem}
.btn-block{width:100%;margin-top:.6rem}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-d)}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:#000}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}.btn-line:hover{background:var(--ink);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}.btn-ghost:hover{background:#fff;color:var(--ink)}
.text-link{display:inline-flex;gap:.4em;align-items:center;color:var(--red);font-weight:600;text-decoration:none}
.text-link:hover{text-decoration:underline}

/* en-tête */
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,242,236,.86);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;gap:20px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.logo-mark{width:44px;height:40px}
.logo-txt{display:flex;flex-direction:column;line-height:1.05}
.logo-txt b{font:800 1.18rem/1 var(--sans);letter-spacing:.02em;color:var(--red);text-transform:uppercase}
.logo-txt b span{color:var(--ink)}
.logo-txt small{font-size:.74rem;color:var(--muted);margin-top:3px}
.nav{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav ul{display:flex;gap:2px}
.nav a{text-decoration:none}
.nav li a{display:block;white-space:nowrap;padding:.5em .7em;border-radius:8px;font-size:.93rem;font-weight:500;color:var(--ink-2)}
.nav li a:hover{background:var(--paper-2);color:var(--ink)}
.nav li a[aria-current=page]{color:var(--red);font-weight:650}
.nav-cta{display:none}
.hdr-tel{display:inline-flex;align-items:center;gap:.5em;font-weight:700;text-decoration:none;white-space:nowrap;padding:.6em 1em;border-radius:999px;background:var(--ink);color:#fff}
.hdr-tel:hover{background:var(--red)}
.burger{display:none;margin-left:auto;background:none;border:0;padding:8px;color:var(--ink);cursor:pointer}
.burger .ic{width:28px;height:28px}
.burger .i-close{display:none}
@media (max-width:1180px){
  .nav li a{padding:.5em .5em;font-size:.88rem}
}
@media (max-width:1060px){
  .js .burger{display:block}
  .js .nav{position:fixed;inset:74px 0 auto 0;max-height:calc(100dvh - 74px);overflow:auto;background:var(--paper);flex-direction:column;align-items:stretch;padding:12px 16px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-8px);opacity:0;visibility:hidden;transition:.2s}
  .js .nav.open{transform:none;opacity:1;visibility:visible}
  .js .nav ul{flex-direction:column}
  .js .nav li a{padding:.85em .6em;font-size:1.05rem;border-bottom:1px solid var(--line);border-radius:0}
  .js .nav-cta{display:flex;margin-top:12px}
  .no-js .hdr{flex-wrap:wrap;padding:10px 0}
  .no-js .nav{order:3;width:100%;overflow-x:auto}
  .hdr-tel{margin-left:auto}
  .js .hdr-tel{margin-left:0}
  .burger[aria-expanded=true] .i-open{display:none}
  .burger[aria-expanded=true] .i-close{display:block}
}
@media (max-width:560px){
  .hdr-tel span{display:none}
  .hdr-tel{padding:.7em}
  .logo-txt small{display:none}
}

/* hero */
.hero{padding:clamp(28px,5vw,64px) 0 clamp(40px,6vw,80px)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}
.hero h1 em{font-style:italic;color:var(--red)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:1.6rem 0}
.trust{display:grid;grid-template-columns:1fr 1fr;gap:.55rem 1.2rem;font-size:.95rem;color:var(--ink-2)}
.trust li{display:flex;gap:.5em;align-items:center}
.trust .ic,.ticks .ic{color:var(--red)}
.hero-media{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/4.6;background:var(--paper-2)}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:50% 70%}
.hero-badge{position:absolute;left:16px;bottom:16px;right:16px;max-width:330px;display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.93);backdrop-filter:blur(6px);border-radius:12px;padding:12px 16px;box-shadow:var(--shadow)}
.hero-badge b{display:block;font-size:.95rem}.hero-badge small{color:var(--muted);font-size:.84rem}
.dot{width:10px;height:10px;border-radius:50%;background:#22a35a;box-shadow:0 0 0 0 rgba(34,163,90,.6);animation:pulse 2s infinite;flex:none}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(34,163,90,0)}100%{box-shadow:0 0 0 0 rgba(34,163,90,0)}}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-media{aspect-ratio:4/3.4}
}
@media (max-width:480px){.trust{grid-template-columns:1fr}.hero-actions .btn{width:100%}}

/* sections */
.section{padding:clamp(56px,8vw,104px) 0}
.section.alt{background:var(--white)}
.sec-head{max-width:720px;margin-bottom:clamp(28px,4vw,48px)}
.sec-head p:last-child{color:var(--ink-2)}
.sec-head.row{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.sec-head.row h2{margin:0}

/* cartes services */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 2px 4px rgba(29,33,37,.06),0 18px 40px rgba(29,33,37,.14)}
.card-link{display:flex;flex-direction:column;height:100%;text-decoration:none}
.card-img{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-img img{transform:scale(1.05)}
.card-body{position:relative;padding:30px 24px 24px;display:flex;flex-direction:column;flex:1}
.card-ic{position:absolute;top:-24px;left:24px;width:48px;height:48px;border-radius:12px;background:var(--red);color:#fff;display:grid;place-items:center;box-shadow:0 6px 16px rgba(200,32,47,.35)}
.card-ic .ic{width:24px;height:24px}
.card-body p{color:var(--ink-2);font-size:.97rem}
.more{margin-top:auto;display:inline-flex;gap:.4em;align-items:center;color:var(--red);font-weight:650;font-size:.95rem}
.card:hover .more .ic{transform:translateX(3px)}.more .ic{transition:transform .2s}
@media (max-width:1000px){.cards{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.cards{grid-template-columns:1fr}}

/* chantier à la une */
.feature{background:var(--ink);color:#e9e6e1}
.feature h2{color:#fff}
.feature .eyebrow{color:#ff9aa3}
.feature-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,6vw,80px);align-items:center}
.feature-media .vid{max-width:380px;margin-inline:auto}
.feature .ticks{margin:1.4rem 0 2rem}
.feature .ticks .ic{color:#ff8d97}
.feature .btn-dark{background:#fff;color:var(--ink)}.feature .btn-dark:hover{background:var(--red);color:#fff}
@media (max-width:820px){.feature-grid{grid-template-columns:1fr}.feature-media{order:2}}
.ticks li{display:flex;gap:.6em;align-items:flex-start;margin:.5em 0}
.ticks .ic{margin-top:.3em}

/* vidéos */
.vid{margin:0}
.vid video{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:var(--radius);background:#111;box-shadow:var(--shadow)}
.vid figcaption{font-size:.9rem;color:inherit;opacity:.8;margin-top:.6em;text-align:center}
.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:860px){.videos{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.videos{grid-template-columns:1fr}}

/* mosaïque accueil */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:14px}
.mosaic figure{margin:0;border-radius:var(--radius);overflow:hidden;background:var(--paper-2)}
.mosaic .m0{grid-column:span 2;grid-row:span 2}
.mosaic img,.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.zoom{display:block;height:100%;cursor:zoom-in}
.zoom:hover img{transform:scale(1.04)}
@media (max-width:760px){.mosaic{grid-template-columns:1fr 1fr;grid-auto-rows:180px}.mosaic .m0{grid-column:span 2;grid-row:span 1}}

/* étapes */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.steps li{padding:26px;border-radius:var(--radius);background:var(--paper);border:1px solid var(--line)}
.step-n{display:block;font:600 2.2rem/1 var(--serif);color:var(--red);margin-bottom:.5rem}
.steps p{color:var(--ink-2);margin:0;font-size:.97rem}
@media (max-width:960px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* zone + faq */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px)}
@media (max-width:860px){.two-col{grid-template-columns:1fr}}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:1.2rem 0 1.4rem}
.chips li,.chip{padding:.42em .9em;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:.9rem}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;list-style:none;padding:14px 36px 14px 0;font-weight:650;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:2px solid var(--red);border-bottom:2px solid var(--red);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{color:var(--ink-2);padding-bottom:10px}

/* bandeau CTA */
.cta-band{background:linear-gradient(120deg,#1d2125 0%,#2b2023 60%,#5a1620 100%);color:#e9e6e1;padding:clamp(48px,7vw,84px) 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;max-width:20ch}
.cta-band p{margin:0;opacity:.85}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* pied de page */
.site-footer{background:#15181b;color:#bfc3c8;padding:64px 0 24px;font-size:.95rem}
.site-footer a{color:#e6e8ea;text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}
.ftr{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:36px}
.ftr .logo-txt b span{color:#fff}
.ftr-brand p{margin-top:1rem;max-width:36ch}
.ftr-h{font:700 .8rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:1.1rem}
.ftr li{margin:.45em 0}
.ftr address{font-style:normal}
.ftr address p{display:flex;gap:.6em;align-items:flex-start;margin:.5em 0}
.ftr address .ic{margin-top:.3em;color:#ff8d97}
.hours{opacity:.8}
.ftr-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:20px;font-size:.85rem}
.ftr-bottom p{margin:0}
@media (max-width:900px){.ftr{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ftr{grid-template-columns:1fr}}

/* barre d'appel mobile */
.callbar{display:none}
@media (max-width:760px){
  body{padding-bottom:68px}
  .callbar{display:grid;grid-template-columns:1fr 1fr 1.3fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--white);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.08);padding-bottom:env(safe-area-inset-bottom)}
  .callbar a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 4px;font-size:.78rem;font-weight:650;text-decoration:none;color:var(--ink)}
  .callbar .ic{width:22px;height:22px}
  .callbar .cb-red{background:var(--red);color:#fff}
}

/* pages intérieures */
.page-hero{padding:clamp(24px,4vw,48px) 0 clamp(40px,6vw,72px);background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%)}
.page-hero.slim{padding-bottom:clamp(32px,5vw,56px)}
.page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,64px);align-items:center}
.page-hero-media{border-radius:20px;overflow:hidden;aspect-ratio:4/4.4;box-shadow:var(--shadow);background:var(--paper-2)}
.page-hero-media img{width:100%;height:100%;object-fit:cover}
.page-hero h1{font-size:clamp(1.9rem,3.6vw,3rem)}
@media (max-width:860px){.page-hero-grid{grid-template-columns:1fr}.page-hero-media{aspect-ratio:4/3}}
.crumbs ol{display:flex;flex-wrap:wrap;gap:.4em;font-size:.85rem;color:var(--muted);margin-bottom:1.4rem}
.crumbs li+li::before{content:"/";margin-right:.4em;opacity:.6}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.article-grid{display:grid;grid-template-columns:1fr 340px;gap:clamp(32px,5vw,64px);align-items:start}
.prose{max-width:70ch}
.prose h2{font-size:clamp(1.4rem,2.2vw,1.85rem);margin-top:1.8em}
.prose h2:first-child{margin-top:0}
.prose p{color:var(--ink-2)}
.aside{position:sticky;top:96px;display:grid;gap:18px}
.aside-box{background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.aside-box.soft{background:transparent;box-shadow:none;border:1px solid var(--line)}
.aside-h{font:700 .8rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;margin-bottom:1rem}
.aside .ticks li{font-size:.95rem;margin:.4em 0}
.other li a{display:flex;gap:.7em;align-items:center;padding:.55em 0;text-decoration:none;border-bottom:1px solid var(--line);font-weight:550}
.other li:last-child a{border:0}
.other .ic{color:var(--red)}
.other a:hover{color:var(--red)}
@media (max-width:960px){.article-grid{grid-template-columns:1fr}.aside{position:static}}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:2rem}
.gallery figure{margin:0;aspect-ratio:3/4;border-radius:var(--radius);overflow:hidden;background:var(--paper-2)}
@media(min-width:900px){.gallery:has(>:nth-child(8)){grid-template-columns:repeat(4,1fr)}}

/* réalisations */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.no-js .filters{display:none}
.chip{cursor:pointer;font:inherit;font-size:.92rem;color:var(--ink)}
.chip.on,.chip:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.masonry{columns:3 280px;column-gap:16px}
.masonry figure{break-inside:avoid;margin:0 0 16px;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.masonry figure[hidden]{display:none}
.masonry img{width:100%;transition:transform .5s}
.masonry figcaption{padding:12px 16px;font-size:.9rem;color:var(--ink-2)}
.masonry .zoom{overflow:hidden}

/* contact */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,5vw,64px);align-items:start}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.contact-cards{display:grid;gap:12px}
.ccard{display:flex;gap:16px;align-items:center;padding:18px 20px;border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow);text-decoration:none}
.ccard .ic{width:44px;height:44px;padding:10px;border-radius:12px;background:var(--red-soft);color:var(--red)}
.ccard b{display:block;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.ccard span{font-weight:600;word-break:break-word}
a.ccard:hover{outline:2px solid var(--red)}
.form{background:var(--white);border-radius:20px;padding:clamp(22px,4vw,40px);box-shadow:var(--shadow);display:grid;gap:14px}
.form h2{margin-bottom:.2em}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.f2{grid-template-columns:1fr}}
.form label{display:grid;gap:6px;font-weight:600;font-size:.92rem}
.form input,.form select,.form textarea{font:inherit;font-weight:400;padding:.8em 1em;border:1.5px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--red);background:#fff}
.form .btn{justify-self:start}

/* lightbox */
.lightbox{border:0;padding:0;background:transparent;max-width:min(96vw,1400px);max-height:94vh}
.lightbox::backdrop{background:rgba(10,12,14,.9)}
.lightbox img{max-height:86vh;width:auto;margin:auto;border-radius:10px}
.lb-cap{color:#ddd;text-align:center;font-size:.92rem;margin:.7em 0 0}
.lb-close{position:fixed;top:14px;right:14px;width:46px;height:46px;border-radius:50%;border:0;background:rgba(255,255,255,.14);color:#fff;cursor:pointer;display:grid;place-items:center}
.lb-close .ic{width:24px;height:24px}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.callbar,.cta-band,.lightbox{display:none!important}body{background:#fff}}