/* Institut Protech — feuille de style
   Direction : institutionnelle et technique. Bleu nuit de l'enseigne, rouge du ruban du logo,
   fond clair légèrement bleuté, titres condensés comme une signalétique. */
:root{
  --navy:#0A1A44; --navy-2:#102457; --blue:#174999; --blue-2:#2F64C8; --red:#D7000F; --red-2:#B3000C;
  --bg:#FFFFFF; --bg-alt:#F3F6FB; --ink:#0E1B3D; --muted:#56627F; --line:#DEE4EF; --soft:#E8EEF9;
  --display:'Barlow Condensed','Cairo','Arial Narrow',sans-serif;
  --body:'Barlow','Cairo',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --r:16px; --shadow:0 20px 45px -25px rgba(10,26,68,.45);
  color-scheme:light;
}
html[lang="ar"]{--display:'Cairo',sans-serif;--body:'Cairo',system-ui,sans-serif}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:90px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 var(--body);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--display);line-height:1.08;text-wrap:balance}
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3,html[lang="ar"] h4{line-height:1.4}
p{margin:0}
.wrap{max-width:1200px;margin-inline:auto;padding-inline:20px}
.ltr{direction:ltr;unicode-bidi:isolate}
.i{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:3px solid var(--red);outline-offset:3px;border-radius:6px}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:10px;border:0;font:700 16px/1 var(--body);text-decoration:none;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px)}
.btn-red{background:var(--red);color:#fff;box-shadow:0 12px 24px -14px var(--red)}
.btn-red:hover{background:var(--red-2)}
.btn-glass{background:rgba(255,255,255,.1);color:#fff;border:1.5px solid rgba(255,255,255,.45);backdrop-filter:blur(4px)}
.btn-white{background:#fff;color:var(--red-2)}

/* Barre d'informations */
.topbar{background:var(--navy);color:#C8D3F0;font-size:14px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:40px}
.tb-info{display:flex;gap:22px;align-items:center;flex-wrap:wrap;min-width:0}
.tb-item{display:inline-flex;align-items:center;gap:8px}
.tb-item .i{width:15px;height:15px}
.tb-live{color:#fff;font-weight:600}
.tb-live i{width:8px;height:8px;border-radius:50%;background:#35D07F;box-shadow:0 0 0 3px rgba(53,208,127,.25)}
.lang{display:flex;gap:4px}
.lang a{text-decoration:none;padding:4px 10px;border-radius:6px;font-weight:600;color:#C8D3F0}
.lang a.ar{font-family:'Cairo',sans-serif}
.lang a[aria-current="true"]{background:#fff;color:var(--navy)}
@media (max-width:700px){.hide-sm{display:none}}

/* En-tête */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 8px 24px -16px rgba(10,26,68,.35)}
.site-header .wrap{display:flex;align-items:center;gap:20px;min-height:76px}
.brand img{height:50px;width:auto}
.nav{display:flex;gap:2px;margin-inline-start:auto}
.nav a{text-decoration:none;font-weight:600;font-size:15.5px;color:var(--ink);padding:10px 12px;border-radius:8px;position:relative}
.nav a::after{content:"";position:absolute;inset-inline:12px;bottom:4px;height:2px;background:var(--red);transform:scaleX(0);transition:transform .2s}
.nav a:hover::after{transform:scaleX(1)}
.hdr-cta{padding:12px 18px;font-size:15px}
.menu-btn{display:none;margin-inline-start:auto;background:var(--soft);border:0;border-radius:10px;width:46px;height:46px;align-items:center;justify-content:center;color:var(--navy);cursor:pointer}
.menu-btn .i{width:24px;height:24px}
@media (max-width:980px){
  .menu-btn{display:inline-flex}
  .hdr-cta{display:none}
  .nav{position:absolute;inset-inline:0;top:100%;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:8px 20px 16px;display:none;box-shadow:0 20px 30px -20px rgba(10,26,68,.4)}
  .nav.open{display:flex}
  .nav a{padding:12px 6px;border-bottom:1px solid var(--line)}
}

/* Hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;padding-top:clamp(56px,9vw,120px)}
.hero-bg{position:absolute;top:0;bottom:0;inset-inline-end:0;width:58%;height:100%;object-fit:cover;object-position:center 30%;opacity:.9}
@media (max-width:860px){.hero-bg{width:100%;opacity:.35}}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(10,26,68,1) 0%,rgba(10,26,68,.98) 40%,rgba(10,26,68,.55) 62%,rgba(10,26,68,.15) 100%)}
html[dir="rtl"] .hero::before{background:linear-gradient(270deg,rgba(10,26,68,1) 0%,rgba(10,26,68,.98) 40%,rgba(10,26,68,.55) 62%,rgba(10,26,68,.15) 100%)}
@media (max-width:860px){.hero::before,html[dir="rtl"] .hero::before{background:rgba(10,26,68,.82)}}
.hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(0deg,rgba(10,26,68,.9),transparent 40%)}
.hero .wrap{position:relative;z-index:2}
.hero-copy{max-width:680px;display:grid;gap:22px}
.kicker{font-weight:600;color:#AFC0EA;font-size:15px;letter-spacing:.5px;display:flex;align-items:center;gap:12px}
.kicker::before{content:"";width:34px;height:3px;background:var(--red);flex:none}
.hero h1{font-size:clamp(44px,6.6vw,84px);font-weight:800;text-transform:uppercase;letter-spacing:-.5px}
html[lang="ar"] .hero h1{text-transform:none;letter-spacing:0;font-weight:900;font-size:clamp(40px,5.8vw,72px)}
.hero h1 span{display:block}
.hero h1 .hl{color:#fff;display:inline-block;background:var(--red);padding:0 .2em;margin-top:6px;border-radius:6px}
.hero-sub{font-size:19px;color:#D3DCF3;max-width:56ch}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.facts{position:relative;z-index:2;margin:clamp(48px,7vw,84px) 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:#fff;color:var(--ink);border-radius:var(--r) var(--r) 0 0;box-shadow:var(--shadow)}
.facts div{padding:24px 26px;border-inline-start:1px solid var(--line)}
.facts div:first-child{border-inline-start:0}
.facts dt{font-family:var(--display);font-weight:800;font-size:40px;line-height:1;color:var(--blue)}
html[lang="ar"] .facts dt{font-size:34px}
@media (max-width:560px){.facts div{padding:18px 16px}.facts dt{font-size:30px}html[lang="ar"] .facts dt{font-size:26px}}
.facts dd{margin:6px 0 0;color:var(--muted);font-weight:600;font-size:15px}
@media (max-width:760px){.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.facts div:nth-child(3){border-inline-start:0}.facts div:nth-child(n+3){border-top:1px solid var(--line)}}

/* Sections */
.sec{padding-block:clamp(64px,8vw,104px)}
.sec.alt{background:var(--bg-alt)}
.sec-head{display:grid;gap:10px;margin-bottom:40px;max-width:760px}
.sec-head.row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.eyebrow{font-family:var(--display);font-weight:700;color:var(--red);text-transform:uppercase;letter-spacing:2px;font-size:15px;display:flex;align-items:center;gap:10px}
html[lang="ar"] .eyebrow{letter-spacing:0;font-size:17px}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--red)}
.sec h2{font-size:clamp(32px,4.4vw,50px);font-weight:800;text-transform:uppercase;color:var(--navy)}
html[lang="ar"] .sec h2{text-transform:none;font-weight:900}
.lead{color:var(--muted);font-size:18px;max-width:62ch}

/* Annonces */
.news{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.news-card.is-important{border-top:4px solid var(--red)}
.news-img{aspect-ratio:16/9;overflow:hidden;background:var(--soft)}
.news-img img{width:100%;height:100%;object-fit:cover}
.news-body{padding:22px 24px 24px;display:grid;gap:10px;align-content:start}
.news-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;font-weight:600}
.tag{background:var(--red);color:#fff;border-radius:6px;padding:2px 9px;font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.6px}
html[lang="ar"] .tag{letter-spacing:0;font-size:13px}
.news-body h3{font-size:24px;color:var(--navy)}
.news-body p{color:var(--muted);font-size:16px}

/* L'institut */
.about{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px);align-items:center}
.collage{display:grid;grid-template-columns:1.3fr 1fr;grid-template-rows:1fr 1fr;gap:14px;aspect-ratio:1/1;max-width:100%}
.collage img{width:100%;height:100%;object-fit:cover;border-radius:14px}
.collage .c1{grid-row:span 2}
.about-copy{display:grid;gap:18px;min-width:0}
.points{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:18px}
.points li{display:grid;grid-template-columns:52px 1fr;gap:16px}
.pi{width:52px;height:52px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center}
.pi .i{width:24px;height:24px}
.points h3{font-size:21px;color:var(--navy);margin-bottom:2px}
.points p{color:var(--muted);font-size:16px}
@media (max-width:900px){.about{grid-template-columns:1fr}.collage{aspect-ratio:4/3}}

/* Formations */
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filters button{border:1.5px solid var(--line);background:#fff;color:var(--ink);font:600 15px/1 var(--body);padding:10px 16px;border-radius:999px;cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.courses{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.course{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.course:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.course-img{aspect-ratio:4/5;overflow:hidden;background:var(--navy)}
.course-img img{width:100%;height:100%;object-fit:cover;object-position:50% 15%}
.course-body{padding:18px 20px 22px;display:grid;gap:10px}
.course-body h3{font-size:23px;color:var(--navy)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{background:var(--soft);color:var(--blue);font-weight:700;font-size:13px;padding:3px 10px;border-radius:6px}
.chip.red{background:#FDE7E9;color:var(--red)}
@media (max-width:980px){.courses{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:580px){.courses{grid-template-columns:1fr}.course-img{aspect-ratio:4/3}}
.cert{margin-top:48px;display:grid;grid-template-columns:.85fr 1.15fr;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.cert-intro{background:var(--navy);color:#fff;padding:32px;display:grid;gap:14px;align-content:start}
.cert-intro h3{font-size:34px;text-transform:uppercase}
html[lang="ar"] .cert-intro h3{text-transform:none}
.cert-intro p{color:#C8D3F0}
.dur{display:inline-block;width:max-content;background:var(--red);border-radius:6px;padding:5px 12px;font-weight:700;font-size:14px}
.cert-list{list-style:none;margin:0;padding:12px 24px;background:#fff;display:grid}
.cert-list li{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);font-weight:600}
.cert-list li:last-child{border-bottom:0}
.ci{width:40px;height:40px;border-radius:10px;background:var(--soft);color:var(--blue);display:grid;place-items:center;flex:none}
@media (max-width:860px){.cert{grid-template-columns:1fr}}
.also{margin-top:18px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.also div{border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:grid;gap:2px;background:#fff}
.also span{color:var(--muted);font-size:15px}
@media (max-width:860px){.also{grid-template-columns:1fr}}

/* Admission */
.adm{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:start}
.steps{list-style:none;margin:0;padding:0}
.steps>li{display:grid;grid-template-columns:52px 1fr;gap:18px;padding-bottom:28px;position:relative}
.steps>li:not(:last-child)::after{content:"";position:absolute;inset-inline-start:25px;top:54px;bottom:2px;width:2px;background:var(--line)}
.steps .k{width:52px;height:52px;border-radius:50%;background:var(--red);color:#fff;font:800 24px/52px var(--display);text-align:center}
.steps h3{font-size:24px;color:var(--navy);margin:10px 0 4px}
.steps p{color:var(--muted)}
.docs{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:8px}
.docs li{display:flex;gap:10px;color:var(--muted)}
.docs li::before{content:"";flex:none;width:8px;height:8px;margin-top:10px;border-radius:2px;background:var(--blue)}
.adm-side{display:grid;gap:16px}
.rentree{display:flex;align-items:center;gap:14px;background:var(--red);color:#fff;border-radius:var(--r);padding:22px 24px;font-weight:700;font-size:19px}
.rentree .i{width:30px;height:30px}
.box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;display:grid;gap:12px}
.box h3{font-size:23px;color:var(--navy)}
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.ticks li{display:flex;gap:10px;font-weight:600}
.ticks li::before{content:"✓";color:var(--red);font-weight:800}
@media (max-width:860px){.adm{grid-template-columns:1fr}}

/* Offre */
.offer-wrap{padding-block:0;background:linear-gradient(180deg,var(--bg-alt) 50%,var(--bg) 50%)}
.offer{background:var(--red) linear-gradient(110deg,var(--red) 0%,#E8202D 60%,var(--red-2) 100%);color:#fff;border-radius:22px;padding:clamp(28px,5vw,52px);display:grid;gap:12px;justify-items:start;position:relative;overflow:hidden}
.offer::after{content:"%";position:absolute;inset-inline-end:-10px;top:-60px;font:800 300px/1 var(--display);color:rgba(255,255,255,.1)}
.offer>*{position:relative;z-index:1}
.offer-k{font-weight:700;text-transform:uppercase;letter-spacing:2px;font-size:14px;opacity:.9}
.offer h2{font-size:clamp(32px,4.6vw,54px);text-transform:uppercase;font-weight:800;color:#fff}
html[lang="ar"] .offer h2{text-transform:none}
.offer-t{font-size:18px;max-width:60ch;opacity:.95}

/* Galerie */
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.gallery figure{margin:0;position:relative;border-radius:12px;overflow:hidden;background:var(--soft);aspect-ratio:4/3}
.gallery figure:nth-child(6n+1){grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
.gallery button{all:unset;display:block;width:100%;height:100%;cursor:zoom-in}
.gallery button:focus-visible{outline:3px solid var(--red);outline-offset:-3px}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;inset-inline-start:10px;bottom:10px;background:rgba(10,26,68,.85);color:#fff;font-size:13px;font-weight:600;padding:4px 10px;border-radius:6px;pointer-events:none}
@media (max-width:860px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
.lb{border:0;padding:0;background:transparent;max-width:96vw;max-height:94vh;overflow:visible}
.lb::backdrop{background:rgba(6,14,38,.92)}
.lb figure{margin:0;display:grid;gap:10px;justify-items:center}
.lb img{max-width:90vw;max-height:80vh;border-radius:10px}
.lb figcaption{color:#fff;font-weight:600}
.lb-x,.lb-nav{position:fixed;background:#fff;color:var(--navy);border:0;border-radius:999px;width:46px;height:46px;font-size:28px;line-height:1;cursor:pointer;display:grid;place-items:center}
.lb-x{top:16px;inset-inline-end:16px}
.lb-nav{top:50%;transform:translateY(-50%)}
.lb-nav.prev{inset-inline-start:16px}.lb-nav.next{inset-inline-end:16px}
html[dir="rtl"] .lb-nav{transform:translateY(-50%) scaleX(-1)}

/* Contact */
.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.pre{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;display:grid;gap:16px;box-shadow:var(--shadow)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:grid;gap:6px;font-weight:600;font-size:15px;min-width:0}
input,select,textarea{font:500 16px/1.4 var(--body);color:var(--ink);background:var(--bg-alt);border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;width:100%;min-width:0}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--soft)}
.err{color:var(--red);font-weight:600}
.note{color:var(--muted);font-size:14px}
.coords{display:grid;gap:14px}
.coord{display:grid;grid-template-columns:48px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.coord .ci{width:48px;height:48px;background:#FDE7E9;color:var(--red)}
.coord h3{font-size:20px;color:var(--navy);margin-bottom:4px}
.num{display:block;text-decoration:none;font-weight:700;font-size:19px;font-variant-numeric:tabular-nums;padding:2px 0;word-break:break-word}
html[dir="rtl"] .num{text-align:right}
.coord p{color:var(--muted)}
.link{display:inline-flex;gap:6px;align-items:center;margin-top:6px;color:var(--blue);font-weight:700;text-decoration:none}
html[dir="rtl"] .link .i{transform:scaleX(-1)}
.visit{font-weight:700;color:var(--navy);padding-inline:6px}
@media (max-width:860px){.contact{grid-template-columns:1fr}}
@media (max-width:560px){.row2{grid-template-columns:1fr}}

/* Pied de page */
.site-footer{background:var(--navy);color:#B9C6E8;padding-top:56px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:40px}
.f-logo{display:inline-block;background:#fff;border-radius:12px;padding:10px 14px;margin-bottom:14px}
.f-logo img{height:70px;width:auto}
.foot h4{color:#fff;font-size:20px;margin-bottom:12px;text-transform:uppercase;letter-spacing:1px}
html[lang="ar"] .foot h4{text-transform:none;letter-spacing:0}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:15px}
.foot a{text-decoration:none}.foot a:hover{color:#fff}
.f-bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px}
.admin-link{color:#8395C4;text-decoration:none}
@media (max-width:860px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot{grid-template-columns:1fr}}

.wa-float{position:fixed;inset-inline-end:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 12px 26px -10px rgba(0,0,0,.45)}
.wa-float svg{width:30px;height:30px}