/* ============================================================
   DO BAU — Swiss Construction Company
   Design System « Schweizer Präzision »
   Blanc / Anthracite #2E3438 / Rouge suisse #CD0D20
   Typographie : Switzer (auto-hébergée)
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face{font-family:'Switzer';src:url('../fonts/Switzer-Light.woff2') format('woff2');font-weight:300;font-display:swap}
@font-face{font-family:'Switzer';src:url('../fonts/Switzer-Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Switzer';src:url('../fonts/Switzer-Medium.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'Switzer';src:url('../fonts/Switzer-Semibold.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'Switzer';src:url('../fonts/Switzer-Bold.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:'Switzer';src:url('../fonts/Switzer-Black.woff2') format('woff2');font-weight:900;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --red:#CD0D20;
  --red-dark:#A50A1A;
  --ink:#1D2124;          /* near-black anthracite */
  --anthracite:#2E3438;   /* section background */
  --steel:#4C5358;        /* secondary text */
  --grey:#8A9196;
  --line:#E2E4E5;
  --line-dark:rgba(255,255,255,.14);
  --paper:#F6F6F4;
  --white:#FFFFFF;
  --max:1240px;
  --gutter:clamp(20px,4vw,48px);
  --header-h:76px;
  --ease:cubic-bezier(.25,.6,.2,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{font-family:'Switzer',Helvetica,Arial,sans-serif;font-weight:400;color:var(--ink);background:var(--white);line-height:1.6;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;background:none;border:0;color:inherit}
::selection{background:var(--red);color:#fff}

/* ---------- Utilities ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.section{padding:clamp(72px,9vw,128px) 0;position:relative}
.section--paper{background:var(--paper)}
.section--dark{background:var(--anthracite);color:#fff}
.section--dark .sec-title{color:#fff}

/* kicker : petite étiquette rouge à la suisse */
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--red);margin-bottom:18px}
.kicker::before{content:'';width:26px;height:2px;background:var(--red)}
.section--dark .kicker{color:#FF5A66}
.section--dark .kicker::before{background:#FF5A66}

.sec-title{font-weight:900;text-transform:uppercase;letter-spacing:-.015em;line-height:.98;font-size:clamp(30px,4.6vw,56px);color:var(--ink)}
.sec-intro{max-width:640px;color:var(--steel);margin-top:20px;font-size:clamp(15px,1.4vw,17px)}
.section--dark .sec-intro{color:#C9CDD0}

/* croix suisse décorative */
.cross{display:inline-block;width:11px;height:11px;position:relative;flex:0 0 auto}
.cross::before,.cross::after{content:'';position:absolute;background:var(--red)}
.cross::before{left:50%;top:0;width:3px;height:100%;transform:translateX(-50%)}
.cross::after{top:50%;left:0;height:3px;width:100%;transform:translateY(-50%)}

/* filet de cote façon plan d'architecte */
.dim{display:flex;align-items:center;gap:14px;color:var(--grey);font-size:11px;letter-spacing:.28em;text-transform:uppercase;font-weight:500}
.dim::before,.dim::after{content:'';flex:1;height:1px;background:var(--line);position:relative}
.section--dark .dim{color:#7E868B}
.section--dark .dim::before,.section--dark .dim::after{background:var(--line-dark)}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:600;font-size:14px;letter-spacing:.08em;text-transform:uppercase;padding:16px 30px;border:2px solid transparent;transition:all .25s var(--ease);white-space:nowrap}
.btn--red{background:var(--red);color:#fff}
.btn--red:hover{background:var(--red-dark)}
.btn--ink{border-color:var(--ink);color:var(--ink)}
.btn--ink:hover{background:var(--ink);color:#fff}
.btn--white{border-color:#fff;color:#fff}
.btn--white:hover{background:#fff;color:var(--anthracite)}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

/* ---------- Header ---------- */
.header{position:fixed;inset:0 0 auto 0;height:var(--header-h);background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:100;transition:box-shadow .3s}
.header.scrolled{box-shadow:0 4px 24px rgba(29,33,36,.08)}
.header__in{max-width:var(--max);margin:0 auto;padding:0 var(--gutter);height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand img{height:44px;width:auto}
.nav{display:flex;align-items:center;gap:34px}
.nav a{font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);position:relative;padding:6px 0}
.nav a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--red);transition:width .25s var(--ease)}
.nav a:hover::after{width:100%}
.header__cta{display:flex;align-items:center;gap:18px}
.lang{display:flex;align-items:center;gap:2px;font-size:12px;font-weight:600;letter-spacing:.08em}
.lang a,.lang span{padding:4px 7px;color:var(--grey)}
.lang a:hover{color:var(--ink)}
.lang .on{color:var(--red)}
.lang i{width:1px;height:12px;background:var(--line);font-style:normal}
.btn--nav{padding:12px 22px;font-size:12px}
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);transition:all .3s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;background:var(--white);overflow:hidden;padding-top:var(--header-h)}
.hero__grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;opacity:.5;mask-image:linear-gradient(to bottom,transparent,#000 18%,#000 82%,transparent);-webkit-mask-image:linear-gradient(to bottom,transparent,#000 18%,#000 82%,transparent)}
.hero__in{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(32px,5vw,72px);align-items:center;padding-top:32px;padding-bottom:110px}
.hero__kicker{display:inline-flex;align-items:center;gap:12px;font-size:12px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--steel);margin-bottom:26px;border:1px solid var(--line);padding:9px 16px;background:#fff}
.hero__title{font-weight:900;text-transform:uppercase;line-height:.92;letter-spacing:-.02em;font-size:clamp(52px,9vw,118px);color:var(--ink)}
.hero__title em{font-style:normal;color:var(--red)}
.hero__sub{margin-top:28px;max-width:520px;font-size:clamp(16px,1.6vw,19px);color:var(--steel);font-weight:400}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero__meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:44px;color:var(--grey);font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:500}
.hero__meta span{display:inline-flex;align-items:center;gap:9px}
.hero__art{position:relative}
.hero__art svg{width:100%;height:auto;display:block}
.hero__dim{position:absolute;left:0;right:0;bottom:34px}
@media (max-width:1023px){
  .hero{min-height:auto}
  .hero__in{grid-template-columns:1fr;padding-bottom:90px}
  .hero__art{max-width:520px;margin:0 auto}
}

/* bandeau défilant qualité suisse */
.marquee{background:var(--red);color:#fff;overflow:hidden;padding:13px 0;position:absolute;left:0;right:0;bottom:0}
.marquee__track{display:flex;width:max-content;animation:mq 30s linear infinite}
.marquee__track span{display:inline-flex;align-items:center;gap:56px;margin-right:56px;font-size:12px;font-weight:600;letter-spacing:.26em;text-transform:uppercase;white-space:nowrap}
.marquee__track .xc{width:9px;height:9px;position:relative;flex:0 0 auto}
.marquee__track .xc::before,.marquee__track .xc::after{content:'';position:absolute;background:#fff}
.marquee__track .xc::before{left:50%;top:0;width:2.5px;height:100%;transform:translateX(-50%)}
.marquee__track .xc::after{top:50%;left:0;height:2.5px;width:100%;transform:translateY(-50%)}
@keyframes mq{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee__track{animation:none}}

/* ---------- Stats ---------- */
.stats{border-bottom:1px solid var(--line)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:44px 28px;border-left:1px solid var(--line);position:relative}
.stat:first-child{border-left:0}
.stat__v{font-weight:900;font-size:clamp(30px,3.4vw,44px);letter-spacing:-.01em;color:var(--ink);line-height:1}
.stat__v i{font-style:normal;color:var(--red)}
.stat__l{margin-top:10px;color:var(--steel);font-size:13px;letter-spacing:.06em;line-height:1.5}
@media (max-width:767px){.stats__grid{grid-template-columns:1fr 1fr}.stat:nth-child(3){border-left:0}.stat{padding:30px 20px}}

/* ---------- Services ---------- */
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:56px}
.svc{background:#fff;padding:40px 34px 44px;position:relative;overflow:hidden;transition:background .3s}
.svc::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.svc:hover::before{transform:scaleX(1)}
.svc__num{font-size:13px;font-weight:700;color:var(--red);letter-spacing:.1em}
.svc__ico{margin:22px 0 18px}
.svc__ico svg{width:52px;height:52px;stroke:var(--ink);fill:none;stroke-width:1.5}
.svc__ico .r{stroke:var(--red)}
.svc h3{font-size:20px;font-weight:700;text-transform:uppercase;letter-spacing:.02em;line-height:1.2}
.svc p{margin-top:12px;color:var(--steel);font-size:14.5px}
.svc ul{margin-top:16px;display:grid;gap:8px}
.svc li{display:flex;gap:10px;align-items:baseline;font-size:13.5px;color:var(--ink);font-weight:500}
.svc li::before{content:'';width:7px;height:7px;background:var(--red);flex:0 0 auto;transform:translateY(-1px)}
@media (max-width:1023px){.services__grid{grid-template-columns:1fr 1fr}}
@media (max-width:639px){.services__grid{grid-template-columns:1fr}}

/* ---------- Qualité suisse (dark) ---------- */
.quality{position:relative;overflow:hidden}
.quality .hero__grid-bg{background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);opacity:.35}
.quality__head{max-width:760px}
.quality__body{font-size:clamp(17px,2vw,22px);line-height:1.55;color:#E8EAEB;font-weight:300;margin-top:26px}
.quality__body strong{color:#fff;font-weight:600}
.quality__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);margin-top:64px}
.pillar{background:var(--anthracite);padding:34px 28px}
.pillar__n{display:flex;align-items:center;gap:12px;color:#FF5A66;font-weight:700;font-size:13px;letter-spacing:.1em}
.pillar h3{margin-top:16px;font-size:17px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:#fff}
.pillar p{margin-top:10px;font-size:13.5px;color:#B9BEC2}
.pillar .cross::before,.pillar .cross::after{background:#FF5A66}
@media (max-width:1023px){.quality__grid{grid-template-columns:1fr 1fr}}
@media (max-width:639px){.quality__grid{grid-template-columns:1fr}}

/* ---------- Projets / Einblicke ---------- */
.projects__grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;margin-top:56px}
.proj{position:relative;overflow:hidden;background:var(--anthracite)}
.proj--a{grid-column:span 7;aspect-ratio:16/10}
.proj--b{grid-column:span 5;aspect-ratio:4/3.2}
.proj--c{grid-column:span 5;aspect-ratio:4/3.2}
.proj--d{grid-column:span 7;aspect-ratio:16/10}
.proj img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease),filter .6s;filter:grayscale(1) contrast(1.06)}
.proj:hover img{transform:scale(1.045);filter:grayscale(0) contrast(1)}
.ba img{filter:none}
.ba:hover img{transform:none}
.proj__tag{position:absolute;left:0;bottom:0;background:#fff;padding:13px 20px;display:flex;align-items:center;gap:12px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
.proj__tag i{font-style:normal;color:var(--red)}
.projects__note{margin-top:26px;display:flex;align-items:center;gap:12px;color:var(--steel);font-size:14px}
@media (max-width:767px){.proj--a,.proj--b,.proj--c,.proj--d{grid-column:span 12}}

/* ---------- Bande chantier pleine largeur ---------- */
.band{position:relative;overflow:hidden;background:var(--anthracite)}
.band img{width:100%;height:clamp(320px,52vh,540px);object-fit:cover;display:block}
.band__cap{position:absolute;left:0;bottom:0;background:#fff;display:flex;align-items:center;gap:14px;padding:16px 26px;font-weight:900;text-transform:uppercase;letter-spacing:.06em;font-size:clamp(15px,1.8vw,22px);color:var(--ink)}

/* before/after */
.ba{position:relative;overflow:hidden;user-select:none;aspect-ratio:16/9;background:var(--anthracite);touch-action:pan-y}
.ba:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba__after{clip-path:inset(0 0 0 50%)}
.ba__bar{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;transform:translateX(-50%);pointer-events:none}
.ba__knob{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;background:var(--red);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;pointer-events:none;font-size:15px;letter-spacing:.05em}
.ba__cap{position:absolute;bottom:14px;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;background:rgba(29,33,36,.82);color:#fff;padding:7px 13px;pointer-events:none}
.ba__cap--l{left:14px}.ba__cap--r{right:14px}

/* ---------- Groupe ---------- */
.group__in{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(36px,6vw,86px);align-items:center}
.group__card{border:1px solid var(--line);background:#fff;padding:clamp(28px,4vw,52px);position:relative}
.group__card::before{content:'';position:absolute;top:-1px;left:-1px;width:64px;height:64px;border-top:3px solid var(--red);border-left:3px solid var(--red)}
.group__logos{display:flex;align-items:center;gap:26px;margin-top:30px;flex-wrap:wrap}
.group__logos img{height:40px;width:auto}
.group__sep{width:1px;height:34px;background:var(--line)}
.group p{color:var(--steel);margin-top:18px}
.group__link{display:inline-flex;align-items:center;gap:10px;margin-top:26px;font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--red);border-bottom:2px solid var(--red);padding-bottom:6px}
.group__link:hover{color:var(--red-dark);border-color:var(--red-dark)}
@media (max-width:1023px){.group__in{grid-template-columns:1fr}}

/* ---------- Zones ---------- */
.zones__list{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.zone{display:inline-flex;align-items:center;gap:11px;border:1px solid var(--line);padding:13px 22px;font-weight:600;font-size:14px;letter-spacing:.04em;background:#fff;transition:all .25s var(--ease)}
.zone:hover{border-color:var(--red);color:var(--red)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:48px auto 0}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 4px;cursor:pointer;font-weight:600;font-size:clamp(15px,1.6vw,17.5px);list-style:none;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--red)}
.faq summary .pm{flex:0 0 auto;width:30px;height:30px;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;position:relative;transition:all .3s var(--ease)}
.faq summary .pm::before,.faq summary .pm::after{content:'';position:absolute;background:var(--ink);transition:all .3s var(--ease)}
.faq summary .pm::before{width:12px;height:2px}
.faq summary .pm::after{width:2px;height:12px}
.faq details[open] summary{color:var(--red)}
.faq details[open] .pm{border-color:var(--red);background:var(--red)}
.faq details[open] .pm::before{background:#fff}
.faq details[open] .pm::after{opacity:0}
.faq .faq__a{padding:0 44px 26px 4px;color:var(--steel);font-size:15px}

/* ---------- Contact ---------- */
.contact__in{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(36px,6vw,80px)}
.contact__side .kicker{margin-bottom:18px}
.c-item{display:flex;gap:18px;align-items:flex-start;padding:22px 0;border-bottom:1px solid var(--line)}
.c-item:last-of-type{border-bottom:0}
.c-item__ico{width:46px;height:46px;flex:0 0 auto;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center}
.c-item__ico svg{width:20px;height:20px;stroke:var(--red);fill:none;stroke-width:1.8}
.c-item b{display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--grey);font-weight:600;margin-bottom:4px}
.c-item a,.c-item span{font-weight:600;font-size:16.5px;color:var(--ink)}
.c-item a:hover{color:var(--red)}
.form{background:#fff;border:1px solid var(--line);padding:clamp(26px,3.5vw,46px);position:relative}
.form::before{content:'';position:absolute;top:-1px;right:-1px;width:64px;height:64px;border-top:3px solid var(--red);border-right:3px solid var(--red)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.f-field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.f-field label{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--steel)}
.f-field input,.f-field select,.f-field textarea{border:1.5px solid var(--line);background:var(--paper);padding:13px 15px;font-family:inherit;font-size:15px;color:var(--ink);transition:border-color .2s;border-radius:0;-webkit-appearance:none;appearance:none}
.f-field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234C5358' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.f-field input:focus,.f-field select:focus,.f-field textarea:focus{outline:none;border-color:var(--red)}
.f-field textarea{min-height:120px;resize:vertical}
.form .btn{width:100%}
.form__note{margin-top:14px;font-size:12.5px;color:var(--grey);display:flex;gap:9px;align-items:baseline}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
@media (max-width:1023px){.contact__in{grid-template-columns:1fr}.form__row{grid-template-columns:1fr}}

/* ---------- CTA bandeau ---------- */
.cta-band{background:var(--red);color:#fff;padding:clamp(52px,7vw,84px) 0;position:relative;overflow:hidden}
.cta-band__x{position:absolute;right:-40px;top:50%;transform:translateY(-50%);width:280px;height:280px;opacity:.12}
.cta-band__x::before,.cta-band__x::after{content:'';position:absolute;background:#fff}
.cta-band__x::before{left:50%;top:0;width:64px;height:100%;transform:translateX(-50%)}
.cta-band__x::after{top:50%;left:0;height:64px;width:100%;transform:translateY(-50%)}
.cta-band__in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;position:relative}
.cta-band h2{font-size:clamp(26px,3.6vw,44px);font-weight:900;text-transform:uppercase;line-height:1.05;letter-spacing:-.01em;max-width:620px}
.cta-band .btn--white:hover{color:var(--red)}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#B9BEC2;padding:64px 0 34px;font-size:14px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__brand img{height:52px;width:auto;background:#fff;padding:8px 12px}
.footer__brand p{margin-top:18px;max-width:340px}
.footer .footer__title{color:#fff;font-size:12px;letter-spacing:.2em;text-transform:uppercase;margin-bottom:18px;font-weight:700}
.footer li{margin-bottom:11px}
.footer a:hover{color:#fff}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding-top:26px;font-size:12.5px;color:#7E868B}
.footer__bottom a{color:#B9BEC2}
.footer__bottom a:hover{color:#fff}
@media (max-width:767px){.footer__grid{grid-template-columns:1fr}}

/* ---------- Animation blueprint (le plan se dessine) ---------- */
.hero__art{transform-style:preserve-3d;will-change:transform}
.hero__art svg .dd{stroke-dasharray:1;stroke-dashoffset:1;animation:dr 1.1s var(--ease) forwards;animation-delay:var(--dd,0s)}
@keyframes dr{to{stroke-dashoffset:0}}
.hero__art svg .df{opacity:0;animation:fi .55s ease forwards;animation-delay:var(--df,2.2s)}
@keyframes fi{to{opacity:1}}
.crane-load{animation:cl 7s ease-in-out infinite;animation-delay:3.4s}
@keyframes cl{0%,100%{transform:translateY(0)}50%{transform:translateY(13px)}}
@media (prefers-reduced-motion:reduce){
  .hero__art svg .dd{animation:none;stroke-dasharray:none;stroke-dashoffset:0}
  .hero__art svg .df{animation:none;opacity:1}
  .crane-load{animation:none}
}

/* ---------- Barre de progression de lecture ---------- */
.readbar{position:fixed;top:0;left:0;height:3px;background:var(--red);width:0;z-index:200;pointer-events:none}

/* ---------- Carte suisse ---------- */
.map{margin-top:22px}
.map svg{width:100%;max-width:420px;height:auto;display:block}
.map .ch{fill:var(--paper);stroke:var(--steel);stroke-width:1.6;stroke-linejoin:round}
.map .pin{fill:var(--red)}
.map .ring{fill:none;stroke:var(--red);stroke-width:1.4;opacity:0;transform-origin:center;transform-box:fill-box;animation:ring 2.6s ease-out infinite;animation-delay:var(--pd,0s)}
@keyframes ring{0%{opacity:.8;transform:scale(.4)}70%{opacity:0;transform:scale(2.6)}100%{opacity:0;transform:scale(2.6)}}
.map .lbl{font-family:'Switzer',Helvetica,Arial,sans-serif;font-size:8px;font-weight:700;letter-spacing:.12em;fill:var(--ink);text-transform:uppercase}
@media (prefers-reduced-motion:reduce){.map .ring{animation:none}}

/* ---------- Barre mobile fixe ---------- */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:99;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(29,33,36,.1)}
.mbar a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:15px 6px;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink)}
.mbar a svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8}
.mbar a.red{background:var(--red);color:#fff}
@media (max-width:767px){
  .mbar{display:flex}
  body{padding-bottom:52px}
}

/* ---------- Nav mobile ---------- */
@media (max-width:1023px){
  .nav{position:fixed;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:12px var(--gutter) 24px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .35s var(--ease);z-index:-1}
  .nav.open{transform:none}
  .nav a{width:100%;padding:15px 0;border-bottom:1px solid var(--paper);font-size:15px}
  .burger{display:flex}
  .btn--nav{display:none}
}
@media (max-width:479px){
  .brand img{height:36px}
  .hero__cta .btn{width:100%}
}