/* Dark variables */
:root{
  --bg:#0B0F19;
  --bg-2:#0D1424;
  --surface:#111827;
  --surface-2:#0F172A;
  --border:#243049;
  --muted:#9AA6BB;
  --text:#E5E7EB;
  --brand:#F59E0B;
  --brand-2:#F97316;
  --radius:14px;
  --shadow:0 14px 36px rgba(0,0,0,.35);
}
body.theme-dark{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;}
a{color:inherit;text-decoration:none;}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;}

/* Buttons */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#0B0F19;border:none;border-radius:9999px;padding:10px 18px;font-weight:800;
  box-shadow:0 10px 28px rgba(249,115,22,.3);
  transition:transform .2s ease, filter .25s ease;
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05);}
.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;color:var(--text);border:1.5px solid var(--border);border-radius:9999px;padding:10px 16px;font-weight:800;
  transition:transform .2s ease, border-color .25s ease, background .25s ease;
}
.btn-secondary:hover{transform:translateY(-1px);background:#151E33;border-color:#314160;}
.btn-link{background:transparent;border:none;color:var(--muted);font-weight:700;cursor:pointer;padding:8px 10px;border-radius:9999px;}
.btn-link:hover{color:#fff;background:#151E33;}
.btn-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:9999px;border:1px solid var(--border);background:#0D1524;color:#D1D5DB;cursor:pointer;
  transition:transform .2s ease, background .25s ease, border-color .25s ease;
}
.btn-icon:hover{transform:translateY(-1px);background:#14203A;border-color:#415175;}

/* Header tint for dark */
.site-header{background:linear-gradient(180deg,rgba(11,18,32,.9),rgba(11,18,32,.6));backdrop-filter:saturate(130%) blur(6px);}
.site-header.scrolled{background:rgba(11,18,32,.95);}
.primary-nav a.active{color:var(--brand);}

/* Hero (calmer, smaller) */
.projects-hero{
  background:linear-gradient(180deg,#0A0F1C 0%, #0C1426 60%, #0B0F19 100%);
  padding:72px 0 76px;
  opacity:0;transform:translateY(14px);transition:opacity .6s ease, transform .6s ease;
}
.projects-hero.animate{opacity:1;transform:none;}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:end;}
@media (max-width:900px){.hero-inner{grid-template-columns:1fr;gap:20px;}}
.hero-copy h1{font-size:clamp(30px,5vw,48px);margin:0 0 8px;font-weight:800;letter-spacing:-0.01em;}
.hero-copy p{color:#BCC7D8;font-size:clamp(16px,2.1vw,19px);max-width:700px;margin:0 0 16px;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;}
.hero-metrics{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.hero-metrics li{background:linear-gradient(180deg,var(--surface-2),#0B1220);border:1px solid var(--border);border-radius:12px;padding:14px 16px;box-shadow:inset 0 1px 0 rgba(255,255,255,.04), var(--shadow);}
.metric-num{display:block;font-size:clamp(20px,4.5vw,26px);font-weight:900;color:#FDE68A;}
.metric-label{display:block;color:#A5B1C6;font-size:13px;margin-top:4px;}

/* Section */
.projects-showcase{
  background:linear-gradient(180deg,#0B0F19,#0A0F1C);
  padding:56px 0 80px;
  opacity:0;transform:translateY(14px);transition:opacity .7s ease .1s, transform .7s ease .1s;
}
.projects-showcase.animate{opacity:1;transform:none;}
.center-title{text-align:center;margin:0 0 12px;font-size:clamp(26px,3.6vw,34px);font-weight:900;color:#F3F4F6;}

/* Toolbar */
.projects-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:8px 0 14px;}
.search-wrap{display:flex;align-items:center;gap:8px;background:#0D1524;border:1.5px solid var(--border);border-radius:9999px;padding:10px 14px;min-width:280px;color:#C9D3E3;}
.search-wrap svg{color:#7B8AA4;}
.search-wrap input{border:none;outline:none;background:transparent;min-width:240px;width:100%;font-size:.95rem;color:#E5E7EB;}
.sort-wrap{display:flex;align-items:center;gap:8px;color:#9AA6BB;}
.sort-wrap select{background:#0D1524;border:1.5px solid var(--border);border-radius:9999px;padding:8px 12px;cursor:pointer;color:#E5E7EB;}

/* Filters (calmed) */
.filter-bar{
  position:sticky;top:64px;z-index:5;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:14px;
  background:#0D1524; padding:8px; border-radius:9999px; border:1px solid var(--border);
}
.filter-btn{
  background:transparent;border:1.5px solid var(--border);color:#C9D3E3;padding:6px 14px;border-radius:9999px;font-size:.9rem;font-weight:800;cursor:pointer;
  transition:background .25s,border-color .25s,color .25s, transform .2s;
}
.filter-btn:hover{border-color:var(--brand);color:#fff;transform:translateY(-1px);}
.filter-btn.active{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;color:#0B0F19;box-shadow:0 8px 22px rgba(249,115,22,.28);}

/* Results */
.results-bar{display:flex;justify-content:center;margin:8px 0 16px;color:#9AA6BB;font-weight:700;}

/* Masonry (columns) */
.projects-masonry{
  column-gap:22px;
  column-count:1;
}
@media (min-width:900px){ .projects-masonry{column-count:2;} }
@media (min-width:1400px){ .projects-masonry{column-count:3;} }

.masonry-card{
  break-inside:avoid; background:linear-gradient(180deg,var(--surface-2),var(--surface)); border:1px solid var(--border);
  border-radius:var(--radius); box-shadow:var(--shadow); margin-bottom:22px; overflow:hidden; cursor:pointer;
  transform:translateY(8px); opacity:0; animation:cardIn .6s cubic-bezier(.2,.7,.2,1) forwards; animation-delay:calc(var(--stagger,0)*22ms);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
@keyframes cardIn{to{transform:none;opacity:1;}}
.masonry-card:hover{box-shadow:0 18px 48px rgba(0,0,0,.45), 0 0 0 1px #2F3B55; transform:translateY(-2px);}

.card-image{position:relative; width:100%;}
.card-image img{width:100%; height:100%; object-fit:cover; display:block; border-bottom:1px solid var(--border);}
.card-image::after{content:''; position:absolute; inset:0; pointer-events:none; background:linear-gradient(180deg,transparent 65%,rgba(0,0,0,.35));}
.card-badge{
  position:absolute; top:10px; left:10px; background:rgba(8,13,24,.7); border:1px solid var(--border); color:#E5E7EB;
  padding:5px 10px; border-radius:10px; font-size:.75rem; font-weight:800; backdrop-filter:blur(4px);
}

.card-body{padding:14px 16px 16px;}
.card-title{font-size:1.06rem; font-weight:900; margin:0 0 6px;}
.card-brief{margin:0; color:#9AA6BB; font-size:.95rem; line-height:1.5;}
.btn-see-more{
  margin-top:10px; background:#0B0F19; color:#E5E7EB; border:1px solid var(--border); border-radius:10px; padding:8px 12px; font-size:.86rem; font-weight:800;
  transition:transform .2s, background .25s, border-color .25s;
}
.btn-see-more:hover{transform:translateY(-1px); background:#151E33; border-color:#3A4560;}

/* Empty state */
.empty-state{text-align:center; background:#0D1524; border:1px dashed var(--border); border-radius:16px; padding:36px; color:#9AA6BB;}
.empty-state h4{margin:0 0 6px; font-size:1.1rem; color:#E5E7EB;}

/* Modal (dark) */
.project-detail-modal{
  position:fixed; inset:0; z-index:1000; background:rgba(4,7,13,.78); backdrop-filter:saturate(130%) blur(6px);
  display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transition:opacity .25s ease;
  padding:20px; overflow-y:auto;
}
.project-detail-modal.is-open{opacity:1; pointer-events:auto;}
.project-detail-modal .modal-content{
  background:linear-gradient(180deg,var(--surface-2),var(--surface)); border:1px solid var(--border); border-radius:18px; max-width:980px; width:100%; max-height:92vh; overflow-y:auto;
  padding:26px; position:relative; box-shadow:var(--shadow); transform:translateY(10px); opacity:0; transition:transform .3s ease, opacity .3s ease;
}
.project-detail-modal.is-open .modal-content{transform:none; opacity:1;}
.modal-close-btn{
  position:absolute; top:12px; right:12px; background:#0D1524; border:1px solid var(--border); font-size:20px; color:#D1D5DB; width:38px; height:38px; border-radius:999px; cursor:pointer;
  transition:background .2s, transform .2s, border-color .25s;
}
.modal-close-btn:hover{background:#151E33; border-color:#3A4560; transform:scale(1.05);}
.modal-header{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:8px;}
.modal-title{font-size:clamp(22px,4vw,28px); font-weight:900; margin:0;}
.modal-actions{display:flex; align-items:center; gap:8px;}
.modal-description{margin:8px 0 16px; line-height:1.7; color:#B6C2D4;}
.modal-tags{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:18px;}
.tag-chip{background:#0D1524; border:1px solid var(--border); color:#D1D5DB; padding:6px 10px; border-radius:9999px; font-size:.82rem; font-weight:800;}

.modal-gallery{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:18px; margin-bottom:26px;
}
.modal-gallery .gallery-item{border-radius:12px; overflow:hidden; background:#0D1524; border:1px solid var(--border); box-shadow:var(--shadow);}
.modal-gallery .gallery-item img{width:100%; height:220px; object-fit:cover; cursor:zoom-in; display:block;}
.modal-gallery .gallery-item p{padding:12px; background:#0B0F19; font-size:.9rem; color:#9AA6BB; margin:0;}
.modal-contact-btn{display:block; margin:0 auto; padding:12px 28px;}

/* Lightbox */
.lightbox{
  position:fixed; inset:0; z-index:1100; background:rgba(4,7,13,.9);
  display:flex; align-items:center; justify-content:center; padding:24px; opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.lightbox.is-open{opacity:1; pointer-events:auto;}
.lightbox .lightbox-stage{
  position:relative; display:flex; align-items:center; justify-content:center; max-width:min(92vw,1100px); max-height:86vh; width:100%;
  background:#02060F; border:1px solid var(--border); border-radius:14px; overflow:hidden; box-shadow:0 24px 60px rgba(0,0,0,.6);
}
.lightbox img{max-width:100%; max-height:86vh; object-fit:contain; transition:transform .25s ease; cursor:zoom-in; touch-action:none;}
.lightbox.zoomed img{cursor:grab;}
.lightbox .lightbox-prev,.lightbox .lightbox-next,.lightbox .lightbox-close{
  position:absolute; display:grid; place-items:center; background:rgba(8,13,24,.7); color:#fff; border:1px solid var(--border); width:44px; height:44px; border-radius:9999px; cursor:pointer;
  transition:background .2s ease, transform .2s ease, border-color .25s;
}
.lightbox .lightbox-prev:hover,.lightbox .lightbox-next:hover,.lightbox .lightbox-close:hover{background:#151E33; border-color:#3A4560; transform:scale(1.05);}
.lightbox .lightbox-prev{left:16px; top:50%; transform:translateY(-50%);}
.lightbox .lightbox-next{right:16px; top:50%; transform:translateY(-50%);}
.lightbox .lightbox-close{top:16px; right:16px; transform:none; width:40px; height:40px;}
.lightbox .lightbox-counter{
  position:absolute; left:50%; bottom:12px; transform:translateX(-50%); color:#E5E7EB; font-size:13px; background:rgba(0,0,0,.35); padding:4px 10px; border-radius:999px;
}
.lightbox-thumbs{position:absolute; left:50%; bottom:54px; transform:translateX(-50%); display:flex; gap:8px; max-width:min(92vw,960px); overflow:auto; padding:6px 8px; border-radius:9999px; background:rgba(0,0,0,.25);}
.lightbox-thumbs .thumb{border:none; background:transparent; padding:0; border-radius:8px; overflow:hidden; opacity:.75; cursor:pointer; transition:opacity .2s, transform .2s;}
.lightbox-thumbs .thumb:hover{opacity:.95; transform:translateY(-1px);}
.lightbox-thumbs .thumb.active{opacity:1; box-shadow:0 0 0 2px #fff;}
.lightbox-thumbs img{width:72px; height:48px; object-fit:cover; display:block;}
@media (max-width:720px){ .lightbox-thumbs{display:none;} }

/* CTA — stronger but controlled */
.cta-band{
  margin-top:28px; display:flex; align-items:center; justify-content:space-between; gap:18px; flex-wrap:wrap;
  padding:20px 22px; border-radius:16px;
  background:linear-gradient(180deg,#121A2B,#0E1628);
  border:1px solid var(--border);
  box-shadow:0 16px 40px rgba(0,0,0,.45);
  position:relative;
}
.cta-band::before{
  content:'';
  position:absolute; inset:0; border-radius:16px; pointer-events:none;
  background:linear-gradient(90deg, rgba(245,158,11,.25), rgba(249,115,22,.25));
  mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  padding:1px; border-radius:16px;
}
.cta-content h3{margin:0 0 6px; font-size:clamp(18px,2vw,22px); font-weight:900;}
.cta-content p{margin:0; color:#C8D1E0;}
.btn-cta{
  display:inline-flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#0B0F19; border:none; border-radius:9999px; padding:12px 20px; font-weight:900;
  box-shadow:0 10px 26px rgba(249,115,22,.35); transition:transform .2s ease, filter .25s ease;
}
.btn-cta:hover{transform:translateY(-1px); filter:brightness(1.05);}

/* Toast */
.toast{position:fixed; left:50%; bottom:24px; transform:translateX(-50%) translateY(12px); background:#0D1524; color:#E5E7EB; padding:10px 14px; border-radius:12px; border:1px solid var(--border); opacity:0; pointer-events:none; transition:opacity .25s ease, transform .25s ease; z-index:1200; box-shadow:var(--shadow);}
.toast.show{opacity:1; pointer-events:auto; transform:translateX(-50%) translateY(0);}

/* Responsive */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;transform:none !important;}
}
@media (max-width:1024px){
  .filter-bar{gap:8px; top:56px;}
}
@media (max-width:640px){
  .projects-showcase{padding:40px 0;}
  .modal-content{padding:20px;}
  .modal-gallery{grid-template-columns:1fr;}
}
body.modal-open{overflow:hidden;}

@media (max-width: 768px) {
  .projects-masonry {
    display: block;
    padding: 1rem;
  }

  .hero-inner, .container {
    flex-direction: column;
    padding: 1rem;
  }

  .filter-bar {
    flex-wrap: wrap;
    justify-content: center;
  }

  .filter-btn {
    margin: 0.25rem;
    font-size: 0.9rem;
  }
}