/* ── RESET & VARS ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f2f4f8;--bg2:#e8ecf3;--bg3:#dde3ee;--surface:#fff;
  --blue:#1a5fa8;--blue-l:#2d7dd2;--orange:#cc1f1f;
  --text:#18243a;--muted:#5a6b82;
  --border:rgba(26,95,168,0.14);--shadow:0 2px 20px rgba(26,60,120,0.08);
  --fh:'Bebas Neue',sans-serif;--fb:'Outfit',sans-serif;
}
html{scroll-behavior:smooth;scroll-padding-top:104px;overflow-y:scroll}
body{background:var(--bg);color:var(--text);font-family:var(--fb);font-weight:400;overflow-x:hidden;line-height:1.6}
body::before{content:'';position:fixed;inset:0;background-image:radial-gradient(circle,rgba(26,95,168,0.055) 1px,transparent 1px);background-size:28px 28px;pointer-events:none;z-index:0}

/* ── NAV ── */
nav{position:fixed;top:0;left:0;right:0;z-index:100;height:104px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;background:rgba(242,244,248,0.93);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-logo img{height:88px;width:88px;object-fit:contain}
.nav-links{display:flex;gap:2rem;list-style:none}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.83rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--blue);border-bottom:2px solid var(--blue);padding-bottom:2px}
.nav-cta{background:var(--blue)!important;color:#fff!important;padding:.45rem 1.2rem;border-radius:4px;border-bottom:none!important}
.nav-cta:hover{background:var(--blue-l)!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}
.mob-menu{display:none;position:fixed;top:104px;left:0;right:0;z-index:99;background:rgba(242,244,248,0.98);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);flex-direction:column;padding:1.5rem 5%;gap:1rem}
.mob-menu.open{display:flex}
.mob-menu a{color:var(--text);text-decoration:none;font-size:1rem;font-weight:500;padding:.5rem 0;border-bottom:1px solid var(--border)}
.mob-cta{background:var(--blue);color:#fff!important;text-align:center;padding:.75rem!important;border-radius:5px;border-bottom:none!important;font-weight:600}

/* ── BUTTONS ── */
.btn-p{display:inline-flex;align-items:center;gap:.5rem;background:var(--blue);color:#fff;text-decoration:none;padding:.82rem 1.8rem;font-family:var(--fb);font-size:.9rem;font-weight:600;border-radius:5px;border:none;cursor:pointer;transition:background .2s,transform .2s}
.btn-p:hover{background:var(--blue-l);transform:translateY(-2px)}
.btn-s{display:inline-flex;align-items:center;gap:.5rem;background:transparent;color:var(--text);text-decoration:none;padding:.82rem 1.8rem;font-family:var(--fb);font-size:.9rem;font-weight:500;border:1.5px solid var(--border);border-radius:5px;transition:border-color .2s,background .2s}
.btn-s:hover{border-color:var(--blue);background:rgba(26,95,168,.06)}

/* ── UTILS ── */
.lbl{font-size:.7rem;text-transform:uppercase;letter-spacing:.15em;color:var(--blue);display:flex;align-items:center;gap:.5rem;margin-bottom:.6rem}
.lbl::before{content:'';width:22px;height:1.5px;background:var(--blue)}
.breadcrumb{font-size:.75rem;color:var(--muted);margin-bottom:1rem;display:flex;align-items:center;gap:.4rem}
.breadcrumb a{color:var(--blue);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ── FILTER BUTTONS ── */
.filter-btn{background:var(--surface);border:1.5px solid var(--border);border-radius:20px;padding:.35rem 1rem;font-family:var(--fb);font-size:.78rem;font-weight:500;cursor:pointer;transition:all .2s;color:var(--text)}
.filter-btn:hover,.filter-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ── REF GRID ── */
.ref-item{transition:transform .3s}
.ref-item:hover{transform:scale(1.02)}
.ref-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.ref-item:hover img{transform:scale(1.06)}
.ref-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(12,20,40,.85) 0%,transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:1rem;opacity:0;transition:opacity .3s}
.ref-item:hover .ref-overlay{opacity:1}
.ref-cat{font-size:.62rem;text-transform:uppercase;letter-spacing:.1em;color:#fff;background:var(--blue);padding:.2rem .55rem;border-radius:3px;align-self:flex-start;margin-bottom:.4rem}
.ref-title{font-size:.82rem;color:#fff;font-weight:500;line-height:1.25}

/* ── FOOTER ── */
footer{padding:2.5rem 5%;background:var(--bg2);border-top:1px solid var(--border);position:relative;z-index:1}
.foot-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.foot-copy{font-size:.78rem;color:var(--muted)}
.foot-links{display:flex;gap:1.5rem}
.foot-links a{font-size:.78rem;color:var(--muted);text-decoration:none;transition:color .2s}
.foot-links a:hover{color:var(--text)}

@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}

/* ── RESPONSIVE ── */
@media(max-width:900px){#ref-grid{grid-template-columns:repeat(3,1fr)!important;}}
@media(max-width:768px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .foot-inner{flex-direction:column;text-align:center}
  .foot-links{justify-content:center}
}
@media(max-width:600px){#ref-grid{grid-template-columns:repeat(2,1fr)!important;}}