/* Belgapromo — public site
   Palette: deep petrol blue + warm amber. Light theme only (B2B, print-friendly). */

:root{
  --ink:#0e1d29;
  --ink-2:#3c5568;
  --muted:#6b8194;
  --line:#e2e8ee;
  --bg:#ffffff;
  --bg-alt:#f4f7fa;
  --brand:#123b54;
  --brand-2:#1d6f8c;
  --accent:#e2952b;
  --accent-dk:#c47c17;
  --free:#1f9d6b;
  --busy:#c7d0d8;
  --radius:14px;
  --shadow:0 1px 2px rgba(14,29,41,.06), 0 8px 24px rgba(14,29,41,.07);
  --shadow-lg:0 24px 60px rgba(14,29,41,.18);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.02em}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}

/* ---------------------------------------------------------------- buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:999px;font-weight:650;font-size:1rem;
  text-decoration:none;border:1.5px solid transparent;cursor:pointer;
  transition:transform .12s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#20160a;box-shadow:0 6px 18px rgba(226,149,43,.35)}
.btn-accent:hover{background:var(--accent-dk)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-wa{
  background:#25d366;color:#06301a;font-weight:750;font-size:1.05rem;padding:.95rem 1.7rem;
  box-shadow:0 8px 22px rgba(37,211,102,.4);
}
.btn-wa:hover{background:#1fbe5b}
.btn-wa svg{flex:none}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand-2);color:var(--brand-2)}
.btn-sm{padding:.6rem 1.1rem;font-size:.93rem}

/* ----------------------------------------------------------------- header */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:1.5rem;height:70px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:600;letter-spacing:.14em;
  font-size:.95rem;text-decoration:none;color:var(--brand)}
.brand img{border-radius:8px}
.brand strong{font-weight:800}
.nav{display:flex;gap:1.6rem;margin-left:auto;font-size:.95rem}
.nav a{text-decoration:none;color:var(--ink-2);font-weight:500}
.nav a:hover{color:var(--brand-2)}
.header-cta{flex:none}
.burger{display:none;flex-direction:column;gap:4px;background:none;border:0;padding:8px;margin-left:auto;cursor:pointer}
.burger span{width:22px;height:2px;background:var(--brand);border-radius:2px}

/* ------------------------------------------------------------------- hero */
.hero{position:relative;color:#fff;isolation:isolate;padding:clamp(4rem,10vw,7.5rem) 0 clamp(3.5rem,7vw,5.5rem)}
.hero-bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(9,26,38,.93) 0%,rgba(9,26,38,.82) 45%,rgba(9,26,38,.45) 100%)}
.hero-inner{max-width:760px}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;font-weight:700;
  color:var(--accent);margin:0 0 1rem}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.6rem);margin-bottom:1rem}
.lede{font-size:clamp(1.02rem,1.9vw,1.2rem);color:#dbe6ee;max-width:640px;margin:0 0 2rem}
.hero-actions{display:flex;gap:.9rem;flex-wrap:wrap}
.hero-wa-note{margin:.9rem 0 0;font-size:.92rem;color:#cfe0ea;font-weight:600}
.hero-note{margin:1.2rem 0 0;font-size:.9rem;color:#a9c0d1}

/* ---------------------------------------------------------------- statbar */
.statbar{background:var(--brand);color:#fff}
.statbar-inner{display:flex;flex-wrap:wrap;gap:1rem 2.5rem;padding:1.1rem 0;justify-content:space-between}
.statbar div{display:flex;flex-direction:column;line-height:1.25}
.statbar strong{font-size:1.25rem;letter-spacing:-.02em}
.statbar span{font-size:.83rem;color:#9fbccd}

/* --------------------------------------------------------------- sections */
.section{padding:clamp(3.5rem,7vw,5.5rem) 0}
.section-alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.section-title{font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:.4rem}
.section-sub{color:var(--muted);max-width:640px;margin:0 0 2.5rem;font-size:1.03rem}

.cards-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.2rem}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem}
.feature .ico{font-size:1.5rem;display:block;margin-bottom:.6rem}
.feature h3{font-size:1.02rem;margin-bottom:.3rem}
.feature p{margin:0;color:var(--muted);font-size:.92rem}

/* --------------------------------------------------------------- filters */
.filters{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.8rem}
.chip{
  border:1.5px solid var(--line);background:#fff;color:var(--ink-2);
  padding:.5rem 1.05rem;border-radius:999px;font-size:.92rem;font-weight:550;cursor:pointer;
  transition:all .15s ease;
}
.chip:hover{border-color:var(--brand-2);color:var(--brand-2)}
.chip[aria-selected="true"]{background:var(--brand);border-color:var(--brand);color:#fff}

/* ------------------------------------------------------------------ grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:1.6rem}
.loading{color:var(--muted)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .16s ease, box-shadow .16s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card-media{position:relative;aspect-ratio:16/10;background:var(--bg-alt);cursor:pointer;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.nophoto{
  width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:.4rem;color:#8ba3b5;background:linear-gradient(140deg,#eef3f7,#dde7ee);font-size:.86rem;
}
.nophoto b{font-size:1.7rem;font-weight:400}
.badge{
  position:absolute;top:.85rem;left:.85rem;padding:.35rem .8rem;border-radius:999px;
  font-size:.79rem;font-weight:700;letter-spacing:.01em;background:#fff;color:var(--ink);
  box-shadow:0 2px 8px rgba(14,29,41,.2);
}
.badge-free{background:var(--free);color:#fff}
.badge-busy{background:#fff;color:var(--ink-2)}
.badge-soon{background:var(--accent);color:#20160a}
.photo-count{
  position:absolute;bottom:.7rem;right:.7rem;background:rgba(9,26,38,.72);color:#fff;
  border-radius:999px;padding:.22rem .65rem;font-size:.76rem;
}
.card-body{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;flex:1}
.card-city{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--brand-2);font-weight:700}
.card h3{font-size:1.18rem;margin:.35rem 0 .5rem}
.card-meta{display:flex;gap:1rem;flex-wrap:wrap;font-size:.87rem;color:var(--muted);margin-bottom:.7rem}
.card-teaser{font-size:.93rem;color:var(--ink-2);margin:0 0 1rem}
.card-actions{display:flex;gap:.6rem;margin-top:auto;padding-top:1rem}
.card-actions .btn{flex:1;padding:.62rem 1rem;font-size:.9rem}

/* ------------------------------------------------------- lien Airbnb ---- */
.abnb{
  display:inline-flex;align-items:center;gap:.4rem;margin:0 0 .9rem;
  font-size:.86rem;font-weight:650;color:#d0426a;text-decoration:none;
  border:1px solid #f2d3dc;background:#fdf3f6;border-radius:999px;padding:.34rem .8rem;
  transition:background .15s ease,border-color .15s ease;
}
.abnb:hover{background:#fbe7ed;border-color:#e9b9c8}
.abnb-ico{font-size:.95rem;line-height:1}
.abnb-arrow{font-size:.78rem;opacity:.75}

/* -------------------------------------------------------------- calendar */
.cal{border-top:1px solid var(--line);padding-top:1rem;margin-top:.2rem}
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem}
.cal-title{font-size:.9rem;font-weight:650}
.cal-nav{display:flex;gap:.25rem}
.cal-nav button{
  width:26px;height:26px;border-radius:7px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);cursor:pointer;font-size:.85rem;line-height:1;
}
.cal-nav button:hover:not(:disabled){border-color:var(--brand-2);color:var(--brand-2)}
.cal-nav button:disabled{opacity:.35;cursor:default}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.cal-dow{font-size:.66rem;text-align:center;color:var(--muted);font-weight:700;text-transform:uppercase;padding-bottom:.2rem}
.cal-day{
  aspect-ratio:1;display:flex;align-items:center;justify-content:center;
  font-size:.76rem;border-radius:5px;background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.cal-day.empty{background:none;border:0}
.cal-day.busy{background:var(--busy);border-color:var(--busy);color:#6b7a86}
.cal-day.past{background:#fafbfc;border-color:#f0f3f6;color:#c3ccd4}
.cal-day.today{outline:2px solid var(--brand-2);outline-offset:-2px;font-weight:750;color:var(--brand)}
.cal-months{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1.4rem}

.legend{display:flex;gap:1.3rem;flex-wrap:wrap;align-items:center;margin-top:1.8rem;font-size:.86rem;color:var(--muted)}
.lg{display:inline-flex;align-items:center;gap:.4rem}
.sw{width:14px;height:14px;border-radius:4px;border:1px solid var(--line);display:inline-block}
.sw-free{background:#fff}
.sw-busy{background:var(--busy);border-color:var(--busy)}
.sw-past{background:#fafbfc}
.updated{margin-left:auto}

/* ------------------------------------------------------------------ how */
.steps{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:1.5rem;padding:0;margin:0 0 3rem;counter-reset:s}
.steps li{background:var(--bg-alt);border-radius:var(--radius);padding:1.6rem;border:1px solid var(--line)}
.steps .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:50%;background:var(--brand);color:#fff;font-weight:700;margin-bottom:.8rem}
.steps h3{font-size:1.08rem;margin-bottom:.3rem}
.steps p{margin:0;color:var(--muted);font-size:.94rem}
.why{background:var(--brand);color:#fff;border-radius:var(--radius);padding:2rem 2.2rem}
.why h3{color:#fff;font-size:1.25rem}
.why ul{margin:0;padding-left:1.2rem;color:#cfe0ea}
.why li{margin-bottom:.4rem}

/* -------------------------------------------------------------- contact */
.section-dark{background:var(--brand);color:#fff}
.section-dark .section-title{color:#fff}
.section-dark .section-sub{color:#a9c6d6}
.contact-grid{display:grid;grid-template-columns:1.35fr .8fr;gap:3rem;align-items:start}
.form label{display:block;font-size:.85rem;font-weight:600;color:#bcd4e2;margin-bottom:.9rem}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.form input,.form textarea{
  width:100%;margin-top:.3rem;padding:.7rem .85rem;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;font:inherit;font-size:.95rem;font-weight:400;
}
.form input::placeholder,.form textarea::placeholder{color:#7d9fb4}
.form input:focus,.form textarea:focus{outline:2px solid var(--accent);border-color:transparent}
.form textarea{resize:vertical}
.form .btn{margin-top:.4rem}
.form-note{font-size:.85rem;color:#a9c6d6;margin:.7rem 0 0}
.hp{position:absolute;left:-9999px}

.contact-side h3{font-size:1.1rem;color:#fff;margin-bottom:1rem}
.contact-card{
  display:flex;gap:.9rem;align-items:center;text-decoration:none;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  border-radius:12px;padding:.95rem 1.1rem;margin-bottom:.7rem;transition:background .15s ease;
}
.contact-card:hover{background:rgba(255,255,255,.16)}
.contact-card .ci{font-size:1.3rem}
.contact-card strong{display:block;font-size:.98rem}
.contact-card em{font-style:normal;font-size:.83rem;color:#a9c6d6}
.contact-cities{margin-top:1.6rem;font-size:.9rem;color:#a9c6d6}
.contact-cities strong{display:block;color:#fff;margin-bottom:.3rem}

/* --------------------------------------------------------------- footer */
.site-footer{background:#0b1c28;color:#8faabb;font-size:.87rem;padding:1.6rem 0}
.footer-inner{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.site-footer a{color:#cfe0ea}

/* ---------------------------------------------------------------- modal */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:1.2rem}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(9,26,38,.7);backdrop-filter:blur(3px)}
.modal-box{
  position:relative;background:#fff;border-radius:18px;max-width:920px;width:100%;
  max-height:92vh;overflow:auto;box-shadow:var(--shadow-lg);
}
.modal-close{
  position:absolute;top:.7rem;right:.8rem;z-index:3;width:38px;height:38px;border-radius:50%;
  border:0;background:rgba(255,255,255,.92);font-size:1.5rem;line-height:1;cursor:pointer;color:var(--ink);
  box-shadow:0 2px 10px rgba(14,29,41,.2);
}
.gal{position:relative;background:#0b1c28}
.gal-main{aspect-ratio:16/9;width:100%;object-fit:cover}
.gal-arrow{
  position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;
  border:0;background:rgba(255,255,255,.9);font-size:1.3rem;cursor:pointer;color:var(--ink);
}
.gal-arrow.prev{left:.8rem}
.gal-arrow.next{right:.8rem}
.gal-thumbs{display:flex;gap:.4rem;padding:.5rem;overflow-x:auto;background:#0b1c28}
.gal-thumbs img{width:84px;height:56px;object-fit:cover;border-radius:6px;cursor:pointer;opacity:.55;flex:none}
.gal-thumbs img[aria-current="true"]{opacity:1;outline:2px solid var(--accent)}
.modal-body{padding:1.8rem 2rem 2rem}
.modal-body h2{font-size:1.6rem;margin-bottom:.2rem}
.modal-city{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--brand-2);font-weight:700}
.modal-meta{display:flex;gap:1.2rem;flex-wrap:wrap;color:var(--muted);font-size:.9rem;margin:.6rem 0 1.2rem}
.modal-body .feat{list-style:none;padding:0;margin:1.2rem 0;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.4rem .9rem}
.modal-body .feat li{padding-left:1.4rem;position:relative;font-size:.93rem;color:var(--ink-2)}
.modal-body .feat li::before{content:"✓";position:absolute;left:0;color:var(--free);font-weight:700}
.modal-avail{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem;margin-top:1.4rem}
.modal-avail h3{font-size:1.05rem;margin-bottom:.9rem}
.modal-cta{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.5rem}

/* ------------------------------------------------------------ responsive */
@media (max-width:900px){
  .contact-grid{grid-template-columns:1fr;gap:2.2rem}
  .nav{display:none}
  .nav.open{
    display:flex;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .nav.open a{padding:.9rem 20px;border-top:1px solid var(--line)}
  .burger{display:flex}
  .header-cta{display:none}
}
@media (max-width:560px){
  .form .row{grid-template-columns:1fr}
  .statbar-inner{gap:.8rem 1.6rem}
  .statbar strong{font-size:1.05rem}
  .modal-body{padding:1.3rem}
  .grid{grid-template-columns:1fr}
}