/* ===================================================================
   Site vitrine — Collège Baptiste Bon Berger
   Palette bleu + rouge (couleurs de l'emblème). Autonome (sans Vite).
=================================================================== */
:root{
  --navy:#0e2a56; --navy-700:#12356c; --blue:#2563eb; --blue-600:#1d4ed8;
  --red:#d62839; --red-soft:#fad9de;
  --ink:#15233c; --muted:#5c6c88; --line:#e4eaf3;
  --bg:#ffffff; --surface:#f4f7fc; --surface-2:#eef3fb;
  --radius:16px; --shadow:0 18px 40px -22px rgba(14,42,86,.45);
  --sans:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.15;margin:0;text-wrap:balance;color:var(--navy)}
p{margin:0}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blue)}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;border-radius:999px;padding:.8rem 1.5rem;font-size:.95rem;cursor:pointer;transition:transform .15s,box-shadow .15s;border:0}
.btn-red{background:var(--red);color:#fff;box-shadow:0 12px 24px -12px rgba(214,40,57,.7)}
.btn-red:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 12px 24px -12px rgba(37,99,235,.8)}
.btn-blue:hover{transform:translateY(-2px)}

/* Top bar */
.topbar{background:var(--navy);color:#cdd8ee;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 22px;flex-wrap:wrap}
.topbar a{color:#cdd8ee}.topbar a:hover{color:#fff}
.topbar .r{display:flex;gap:16px;align-items:center}
.topbar .sep{opacity:.4}

/* Nav */
header.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;gap:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand .badge{width:48px;height:48px;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;box-shadow:var(--shadow);overflow:hidden}
.brand .badge img{width:36px;height:auto}
.brand b{display:block;color:var(--navy);font-size:1.02rem;letter-spacing:.01em;line-height:1.1}
.brand span{font-size:.72rem;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
nav.menu{display:flex;gap:26px;align-items:center}
nav.menu a{font-weight:600;font-size:.93rem;color:var(--ink);padding:6px 0;position:relative}
nav.menu a.active,nav.menu a:hover{color:var(--blue)}
nav.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--red);border-radius:2px}
.nav-cta{display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:0;font-size:1.6rem;color:var(--navy);cursor:pointer}
/* Sous-menu déroulant */
.has-sub{position:relative}
.has-sub>a{font-weight:600;font-size:.93rem;color:var(--ink);padding:6px 0;cursor:pointer;position:relative;display:inline-block}
.has-sub.active>a,.has-sub:hover>a{color:var(--blue)}
.has-sub.active>a::after{content:"";position:absolute;left:0;right:16px;bottom:-2px;height:2px;background:var(--red);border-radius:2px}
.has-sub .sub{position:absolute;top:100%;left:-14px;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;display:none;flex-direction:column;gap:2px;z-index:50}
.has-sub:hover .sub{display:flex}
.has-sub .sub a{padding:9px 12px;border-radius:8px;font-size:.9rem;color:var(--ink)}
.has-sub .sub a:hover{background:var(--surface-2);color:var(--blue)}

/* Hero (slider) */
.hero{position:relative;min-height:82vh;display:flex;align-items:center;color:#eaf1ff;overflow:hidden;background:var(--navy)}
.hero .slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.1s ease;transform:scale(1.05)}
.hero .slide.on{opacity:1}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(9,24,54,.92) 0%,rgba(12,42,92,.78) 45%,rgba(9,24,54,.42) 100%)}
.hero .wrap{position:relative;z-index:2;padding:90px 22px}
.hero .inner{max-width:640px}
.hero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.6rem);letter-spacing:-.01em}
.hero h1 .hl{color:#ff6b7a}
.hero p.lead{color:#d3ddf1;font-size:1.14rem;margin:18px 0 28px;max-width:46ch}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .mottos{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
.hero .mottos span{font-size:.78rem;border:1px solid rgba(255,255,255,.28);color:#dbe6fb;padding:5px 12px;border-radius:999px}
.hero .dots{position:absolute;z-index:3;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.hero .dots button{width:11px;height:11px;border-radius:50%;border:0;background:rgba(255,255,255,.4);cursor:pointer}
.hero .dots button.on{background:var(--red);width:26px;border-radius:6px}

/* Page hero (bannière des pages internes) */
.page-hero{position:relative;background:linear-gradient(120deg,var(--navy),var(--blue-600));color:#fff;text-align:center;padding:64px 22px;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:20px 20px}
.page-hero h1{position:relative;color:#fff;font-size:clamp(1.8rem,3.6vw,2.6rem)}
.page-hero .crumb{position:relative;color:#bcd0f2;font-size:.9rem;margin-top:10px}
.page-hero .crumb a:hover{color:#fff}

/* Stat band */
.stats{margin-top:-46px;position:relative;z-index:5}
.stats .grid{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
.stats .cell{padding:26px 20px;text-align:center;border-right:1px solid var(--line)}
.stats .cell:last-child{border-right:0}
.stats .cell .n{font-size:2rem;font-weight:800;color:var(--navy)}
.stats .cell .n b{color:var(--red)}
.stats .cell small{color:var(--muted);font-weight:600}

section{padding:74px 0}
.sec-head{max-width:720px;margin:0 auto 44px;text-align:center}
.sec-head h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-top:10px}
.sec-head p{color:var(--muted);margin-top:12px}

/* About */
.alt{background:var(--surface)}
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}
.frame{border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative;aspect-ratio:5/4;background:var(--surface-2)}
.frame img{width:100%;height:100%;object-fit:cover}
.frame .badge-float{position:absolute;right:-16px;bottom:-16px;background:var(--red);color:#fff;font-weight:800;border-radius:16px;padding:16px 20px;box-shadow:var(--shadow);text-align:center;line-height:1}
.frame .badge-float small{display:block;font-weight:600;font-size:.7rem;margin-top:4px}
.lead-txt h2{font-size:clamp(1.7rem,3vw,2.3rem);margin:8px 0 16px}
.lead-txt p{color:var(--muted);margin-bottom:14px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 26px}
.chips span{background:#fff;border:1px solid var(--line);color:var(--navy);font-weight:600;font-size:.85rem;padding:7px 14px;border-radius:999px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:transform .18s,box-shadow .18s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card .ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;margin-bottom:16px;background:var(--surface-2);color:var(--blue)}
.card:nth-child(2) .ico{background:var(--red-soft);color:var(--red)}
.card h3{font-size:1.12rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.92rem}

/* Mission */
.mission{background:linear-gradient(120deg,var(--navy),var(--blue-600));color:#eaf1ff;text-align:center}
.mission .wrap{padding:66px 22px}
.mission .eyebrow{color:#ff8a97}
.mission h2{color:#fff;font-size:clamp(1.7rem,3.2vw,2.4rem);max-width:22ch;margin:12px auto 10px}
.mission p{color:#c6d5f0;max-width:52ch;margin:0 auto 26px}

/* People / team */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.member{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-align:center;transition:transform .18s,box-shadow .18s}
.member:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.member .ph{aspect-ratio:1/1;background:var(--surface-2);overflow:hidden}
.member .ph img{width:100%;height:100%;object-fit:cover}
.member .body{padding:18px}
.member b{color:var(--navy);font-size:1.05rem}
.member small{color:var(--red);font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:.72rem}
.member .bio{color:var(--muted);font-size:.88rem;margin-top:8px}

/* Testimonials */
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.quote .mark{font-family:var(--serif);font-size:3.4rem;color:var(--red);line-height:.6;height:26px}
.quote p{color:var(--ink);font-style:italic;margin:6px 0 18px}
.quote .who{display:flex;align-items:center;gap:12px}
.quote .who .av{width:46px;height:46px;border-radius:50%;overflow:hidden;background:var(--surface-2);flex-shrink:0}
.quote .who .av img{width:100%;height:100%;object-fit:cover}
.quote .who b{color:var(--navy);font-size:.95rem}
.quote .who small{color:var(--muted)}

/* Gallery */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gal a{display:block;border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--surface-2);border:1px solid var(--line)}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gal a:hover img{transform:scale(1.07)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:34px;align-items:start}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}
.info-card .ico{width:46px;height:46px;border-radius:12px;background:var(--surface-2);color:var(--blue);display:grid;place-items:center;font-size:1.3rem;flex-shrink:0}
.info-card b{color:var(--navy);display:block}
.info-card span{color:var(--muted);font-size:.92rem}
form.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
form.contact-form label{font-weight:600;font-size:.86rem;color:var(--navy);display:block;margin:12px 0 6px}
form.contact-form input,form.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font:inherit;background:var(--surface)}
form.contact-form input:focus,form.contact-form textarea:focus{outline:2px solid var(--blue);background:#fff}
.alert-ok{background:#e7f7ee;border:1px solid #b6e6cb;color:#12683f;padding:12px 16px;border-radius:10px;margin-bottom:16px}
.alert-err{background:#fdeaec;border:1px solid #f5c2c8;color:#a12030;padding:12px 16px;border-radius:10px;margin-bottom:16px}

/* CTA */
.cta-band .box{background:linear-gradient(130deg,var(--red),#f0576a);border-radius:24px;padding:44px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;box-shadow:var(--shadow)}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);max-width:20ch}
.cta-band p{color:#ffe1e5;margin-top:8px}

/* Footer */
footer{background:var(--navy);color:#b9c7e2;padding:60px 0 24px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px}
footer h4{color:#fff;font-size:1rem;margin:0 0 16px}
footer a:hover{color:#fff}
footer .brand b{color:#fff}
footer .brand span{color:#8ea1c4}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:.92rem}
footer .contact li{display:flex;gap:10px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;text-align:center;font-size:.82rem;color:#8ea1c4}

@media(max-width:900px){
  nav.menu{position:fixed;inset:64px 0 auto 0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:18px 22px;gap:14px;display:none;box-shadow:var(--shadow)}
  nav.menu.open{display:flex}
  .burger{display:block}
  .has-sub{width:100%}
  .has-sub .sub{position:static;display:flex;box-shadow:none;border:0;padding:4px 0 4px 14px;min-width:0}
  .split,.contact-grid{grid-template-columns:1fr}
  .stats .grid,.cards,.cards.c3,.team-grid,.tgrid,.gal,.fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .stats .grid,.cards,.cards.c3,.team-grid,.tgrid,.gal,.fgrid{grid-template-columns:1fr}
  .stats .cell{border-right:0;border-bottom:1px solid var(--line)}
  .nav-cta .btn{display:none}
}