/* ============================================================
   FRIGOSUD — Feuille de style partagée (FR + AR / RTL)
   Palette : acier · glace · cuivre (tuyauterie frigorifique)
   ============================================================ */
:root{
  --frost:#F4F8FA;
  --steel:#0E1F2D;
  --steel2:#16324A;
  --steel3:#234A68;
  --ice:#BFDCE8;
  --copper:#C9651F;
  --copper2:#E07A2B;
  --wa:#1FAF5E;
  --text:#22333F;
  --muted:#54707f;
  --muted2:#8FB2C4;
  --line:#dde8ee;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--text);background:var(--frost);line-height:1.6;font-size:16px}
[dir="rtl"] body{font-family:'Cairo',system-ui,sans-serif}
.mono{font-family:'IBM Plex Mono',monospace}
[dir="rtl"] .mono{font-family:'Cairo',monospace}
h1,h2,h3,.display{font-family:'Barlow Condensed',sans-serif;text-transform:uppercase;letter-spacing:.02em;line-height:1.08}
[dir="rtl"] h1,[dir="rtl"] h2,[dir="rtl"] h3,[dir="rtl"] .display{font-family:'Cairo',sans-serif;text-transform:none;letter-spacing:0;line-height:1.3;font-weight:700}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--copper);margin-bottom:10px;display:block}
[dir="rtl"] .eyebrow{font-family:'Cairo',sans-serif;letter-spacing:0;text-transform:none;font-weight:600}
section{padding:72px 0}
h2{font-size:clamp(30px,4.4vw,46px);color:var(--steel);margin-bottom:14px}
.sub{max-width:660px;color:var(--muted);margin-bottom:44px;font-size:16.5px}

/* ---------- Bandeau température (signature) ---------- */
.tempbar{background:var(--steel);color:var(--muted2);font-family:'IBM Plex Mono',monospace;font-size:12px;overflow:hidden;white-space:nowrap;padding:8px 0;border-bottom:1px solid var(--steel2)}
[dir="rtl"] .tempbar{font-family:'Cairo',sans-serif}
.tempbar .track{display:inline-block;animation:scroll 40s linear infinite}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
[dir="rtl"] .tempbar .track{animation-name:scrollRtl}
@keyframes scrollRtl{from{transform:translateX(0)}to{transform:translateX(50%)}}
.tempbar span{margin:0 28px}
.tempbar b{color:var(--ice);font-weight:500}
@media (prefers-reduced-motion:reduce){.tempbar .track{animation:none}}

/* ---------- Header / Nav ---------- */
header{background:var(--steel);position:sticky;top:0;z-index:100;box-shadow:0 2px 20px rgba(14,31,45,.35)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.logo{color:#fff;font-family:'Barlow Condensed',sans-serif;font-size:26px;font-weight:700;text-transform:uppercase;text-decoration:none;letter-spacing:.05em;line-height:1}
[dir="rtl"] .logo{font-family:'Cairo',sans-serif;text-transform:none;letter-spacing:0}
.logo em{font-style:normal;color:var(--copper2)}
.logo small{display:block;font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--muted2);letter-spacing:.12em;font-weight:400;text-transform:none;margin-top:2px}
[dir="rtl"] .logo small{font-family:'Cairo',sans-serif;letter-spacing:0}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links>a,.dropdown>span{color:var(--ice);text-decoration:none;font-size:14.5px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:5px;background:none;border:none;font-family:inherit}
.nav-links>a:hover,.dropdown>span:hover{color:#fff}
.dropdown{position:relative}
.dropdown-menu{position:absolute;top:calc(100% + 10px);inset-inline-start:0;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 14px 40px rgba(14,31,45,.18);min-width:250px;padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s;z-index:110}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu,.dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a{display:block;padding:10px 12px;border-radius:7px;color:var(--steel);text-decoration:none;font-size:14px}
.dropdown-menu a:hover{background:var(--frost);color:var(--copper)}
.dropdown-menu a b{display:block;font-family:'Barlow Condensed',sans-serif;font-size:16px;letter-spacing:.02em}
[dir="rtl"] .dropdown-menu a b{font-family:'Cairo',sans-serif}
.dropdown-menu a span{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--muted)}
[dir="rtl"] .dropdown-menu a span{font-family:'Cairo',sans-serif}
.lang{font-family:'IBM Plex Mono',monospace;font-size:13px;border:1px solid var(--steel3);padding:6px 11px;border-radius:6px;color:var(--ice);text-decoration:none}
[dir="rtl"] .lang{font-family:'Cairo',sans-serif}
.lang:hover{background:var(--steel2)}
.btn-wa{background:var(--wa);color:#fff !important;padding:10px 16px;border-radius:6px;font-weight:600;display:inline-flex;align-items:center;gap:8px;text-decoration:none;transition:transform .15s ease}
.btn-wa:hover{transform:translateY(-1px)}
.btn-wa svg,.btn-lg svg,.form button svg,.wa-float svg{fill:#fff}
.btn-wa svg{width:18px;height:18px}
.hamb{display:none;background:none;border:none;cursor:pointer;padding:6px}
.hamb span{display:block;width:24px;height:2px;background:var(--ice);margin:5px 0;transition:.2s}
@media(max-width:960px){
  .hamb{display:block}
  .nav-links{position:fixed;inset-block-start:64px;inset-inline-end:0;flex-direction:column;align-items:flex-start;background:var(--steel2);width:min(320px,86vw);height:calc(100vh - 64px);padding:24px;gap:6px;transform:translateX(120%);transition:transform .25s;overflow-y:auto}
  [dir="rtl"] .nav-links{transform:translateX(-120%)}
  .nav-links.open{transform:translateX(0)}
  .nav-links>a,.dropdown>span{width:100%;padding:12px 4px;border-bottom:1px solid var(--steel3)}
  .dropdown{width:100%}
  .dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;background:transparent;padding:4px 0 4px 14px;min-width:0}
  .dropdown-menu a{color:var(--ice)}
  .dropdown-menu a:hover{background:transparent}
  .dropdown-menu a span{color:var(--muted2)}
  .btn-wa{width:100%;justify-content:center;margin-top:10px}
}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(160deg,var(--steel) 0%,var(--steel2) 100%);color:#fff;padding:78px 0 84px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset-inline-end:-120px;top:-80px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(191,220,232,.10) 0%,transparent 65%)}
.hero .wrap{position:relative;z-index:1}
.hero .tag{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--copper2);letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px;display:block}
[dir="rtl"] .hero .tag{font-family:'Cairo',sans-serif;letter-spacing:0;text-transform:none}
.hero h1{font-size:clamp(38px,6vw,72px);font-weight:700;max-width:840px}
.hero h1 .frost{color:var(--ice)}
.hero p.lead{font-size:18px;color:var(--muted2);max-width:640px;margin:22px 0 34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.btn-lg{padding:15px 26px;border-radius:8px;font-weight:600;font-size:16px;text-decoration:none;display:inline-flex;align-items:center;gap:10px;border:none;cursor:pointer;font-family:inherit}
.btn-lg.green{background:var(--wa);color:#fff}
.btn-lg.green svg{width:20px;height:20px}
.btn-lg.ghost{border:1px solid var(--ice);color:var(--ice);background:none}
.btn-lg.ghost:hover{background:rgba(191,220,232,.08)}
.hero-temps{display:flex;gap:30px;margin-top:50px;flex-wrap:wrap}
.temp-chip .v{font-family:'IBM Plex Mono',monospace;font-size:28px;color:var(--ice);font-weight:500}
[dir="rtl"] .temp-chip .v{font-family:'Cairo',sans-serif}
.temp-chip .l{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--muted2);letter-spacing:.1em;text-transform:uppercase;margin-top:2px}
[dir="rtl"] .temp-chip .l{font-family:'Cairo',sans-serif;letter-spacing:0;text-transform:none}

/* ---------- Page hero (inner pages) ---------- */
.phero{background:linear-gradient(160deg,var(--steel) 0%,var(--steel2) 100%);color:#fff;padding:56px 0}
.phero .tag{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--copper2);letter-spacing:.14em;text-transform:uppercase;display:block;margin-bottom:12px}
[dir="rtl"] .phero .tag{font-family:'Cairo',sans-serif;letter-spacing:0;text-transform:none}
.phero h1{font-size:clamp(32px,5vw,54px);max-width:820px}
.phero p{color:var(--muted2);max-width:640px;margin-top:16px;font-size:17px}
.crumbs{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted2);margin-bottom:18px}
[dir="rtl"] .crumbs{font-family:'Cairo',sans-serif}
.crumbs a{color:var(--ice);text-decoration:none}

/* ---------- Grids / Cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;transition:box-shadow .2s ease,transform .2s ease;text-decoration:none;color:inherit;display:block}
.card:hover{box-shadow:0 12px 34px rgba(14,31,45,.10);transform:translateY(-3px)}
.card .temp{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--steel2);background:var(--ice);display:inline-block;padding:4px 10px;border-radius:4px;margin-bottom:16px}
[dir="rtl"] .card .temp{font-family:'Cairo',sans-serif}
.card .temp.neg{background:var(--steel);color:var(--ice)}
.card h3{font-size:24px;color:var(--steel);margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted)}
.card .more{display:inline-block;margin-top:14px;font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--copper);font-weight:500}
[dir="rtl"] .card .more{font-family:'Cairo',sans-serif}

/* ---------- Prose (service pages) ---------- */
.prose{max-width:760px}
.prose p{margin-bottom:18px;font-size:16.5px;color:#3a5260}
.prose h2{font-size:clamp(26px,3.6vw,34px);margin:38px 0 14px}
.prose h3{font-size:22px;color:var(--steel2);margin:26px 0 10px}
.prose ul{list-style:none;margin:14px 0 22px}
.prose li{padding:7px 0;padding-inline-start:28px;position:relative;color:#3a5260}
.prose li::before{content:"✓";position:absolute;inset-inline-start:0;color:var(--wa);font-weight:700}
.callout{background:#fff;border:1px solid var(--line);border-inline-start:4px solid var(--copper);border-radius:0 10px 10px 0;padding:22px 24px;margin:26px 0}
[dir="rtl"] .callout{border-radius:10px 0 0 10px}
.callout strong{color:var(--steel)}

/* ---------- Dark section ---------- */
.dark{background:var(--steel);color:#fff}
.dark h2{color:#fff}
.dark .sub{color:var(--muted2)}
.proj{background:var(--steel2);border:1px solid var(--steel3);border-radius:12px;padding:28px}
.proj .status{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--copper2);margin-bottom:12px}
[dir="rtl"] .proj .status{font-family:'Cairo',sans-serif;letter-spacing:0;text-transform:none}
.proj h3{font-size:22px;margin-bottom:14px;color:var(--ice)}
.proj ul{list-style:none}
.proj li{font-size:14px;color:#c8dbe6;padding:5px 0;padding-inline-start:26px;position:relative}
.proj li::before{content:"✓";position:absolute;inset-inline-start:0;color:var(--wa);font-weight:700}

/* ---------- Why ---------- */
.why-item{padding:22px;border-inline-start:3px solid var(--copper);background:#fff;border-radius:0 10px 10px 0}
[dir="rtl"] .why-item{border-radius:10px 0 0 10px}
.why-item h3{font-size:19px;color:var(--steel);margin-bottom:6px}
.why-item p{font-size:14px;color:var(--muted)}

/* ---------- CTA band ---------- */
.ctaband{background:linear-gradient(120deg,var(--copper) 0%,var(--copper2) 100%);color:#fff;text-align:center;border-radius:16px;padding:44px 28px;margin:8px 0}
.ctaband h2{color:#fff;margin-bottom:10px}
.ctaband p{max-width:560px;margin:0 auto 24px;opacity:.95}
.ctaband .btn-lg.green{background:#fff;color:var(--steel)}
.ctaband .btn-lg.green svg{fill:var(--wa)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:start}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}}
.form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px;box-shadow:0 14px 40px rgba(14,31,45,.08)}
.form label{display:block;font-size:13px;font-weight:600;color:var(--steel);margin:16px 0 6px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid #c7d8e1;border-radius:8px;font-family:inherit;font-size:15px;background:var(--frost);color:var(--text)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--copper);outline-offset:1px;border-color:transparent}
.form button{margin-top:22px;width:100%;background:var(--wa);color:#fff;border:none;padding:16px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:filter .15s;font-family:inherit}
.form button:hover{filter:brightness(1.07)}
.form button svg{width:20px;height:20px}
.form .note{font-size:12px;color:#7d99a8;margin-top:12px;text-align:center}
.info h3{font-size:24px;color:var(--steel);margin:20px 0 8px}
.info p{color:var(--muted);font-size:15px}
.info a.big{font-family:'IBM Plex Mono',monospace;font-size:20px;color:var(--copper);text-decoration:none;font-weight:500}
[dir="rtl"] .info a.big{font-family:'Cairo',sans-serif}
.zones{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.zones span{font-family:'IBM Plex Mono',monospace;font-size:12px;background:#fff;border:1px solid #c7d8e1;padding:5px 12px;border-radius:20px;color:var(--steel2)}
[dir="rtl"] .zones span{font-family:'Cairo',sans-serif}

/* ---------- Footer ---------- */
footer{background:var(--steel);color:var(--muted2);padding:48px 0 30px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;margin-bottom:28px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h4{font-family:'Barlow Condensed',sans-serif;text-transform:uppercase;letter-spacing:.05em;color:var(--ice);font-size:16px;margin-bottom:12px}
[dir="rtl"] .foot-grid h4{font-family:'Cairo',sans-serif;text-transform:none;letter-spacing:0}
.foot-grid a{display:block;color:var(--muted2);text-decoration:none;padding:4px 0}
.foot-grid a:hover{color:var(--ice)}
.foot-bottom{border-top:1px solid var(--steel2);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}

/* ---------- WhatsApp float ---------- */
.wa-float{position:fixed;inset-block-end:22px;inset-inline-end:22px;z-index:200;background:var(--wa);width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 26px rgba(31,175,94,.45);transition:transform .15s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px}

/* ============================================================
   GALERIE + LIGHTBOX
   ============================================================ */
.feature-band{display:grid;grid-template-columns:1.1fr 1fr;gap:0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#fff}
@media(max-width:760px){.feature-band{grid-template-columns:1fr}}
.feature-band img{width:100%;height:100%;min-height:280px;object-fit:cover}
.feature-band .fb-txt{padding:36px}
.feature-band .fb-txt h2{margin-bottom:12px}
.feature-band .fb-txt p{color:var(--muted);margin-bottom:20px}

.gallery-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.gbtn{font-family:'IBM Plex Mono',monospace;font-size:13px;border:1px solid var(--line);background:#fff;color:var(--steel2);padding:8px 16px;border-radius:22px;cursor:pointer;transition:.15s}
[dir="rtl"] .gbtn{font-family:'Cairo',sans-serif}
.gbtn:hover{border-color:var(--copper);color:var(--copper)}
.gbtn.active{background:var(--steel);color:#fff;border-color:var(--steel)}

.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.gphoto{position:relative;aspect-ratio:4/3;border-radius:12px;overflow:hidden;cursor:pointer;background:#dbe7ee;border:1px solid var(--line)}
.gphoto img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;display:block}
.gphoto:hover img{transform:scale(1.06)}
.gphoto .cap{position:absolute;inset-inline-start:0;inset-block-end:0;right:0;left:0;padding:20px 12px 10px;font-family:'IBM Plex Mono',monospace;font-size:11px;color:#fff;background:linear-gradient(transparent,rgba(14,31,45,.82));opacity:0;transition:.2s}
[dir="rtl"] .gphoto .cap{font-family:'Cairo',sans-serif;font-size:12px}
.gphoto:hover .cap{opacity:1}
.gphoto.hide{display:none}

/* strip (service pages) */
.gstrip{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:20px 0 8px}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:300;background:rgba(9,18,26,.94);display:none;align-items:center;justify-content:center}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:82vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb-cap{position:absolute;inset-block-end:22px;inset-inline:0;text-align:center;color:#cfe0ea;font-family:'IBM Plex Mono',monospace;font-size:13px}
[dir="rtl"] .lb-cap{font-family:'Cairo',sans-serif}
.lb-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);border:none;color:#fff;width:52px;height:52px;border-radius:50%;font-size:26px;cursor:pointer;transition:.15s}
.lb-btn:hover{background:rgba(255,255,255,.22)}
.lb-prev{inset-inline-start:18px}.lb-next{inset-inline-end:18px}
.lb-close{position:absolute;top:18px;inset-inline-end:20px;background:none;border:none;color:#fff;font-size:34px;cursor:pointer;line-height:1}