/* ==========================================================================
   GCFJ ONESOLUTION FABCONTENT  —  styles
   Brand matched to gcfj1solution.com: orbital MEP palette, deep-blue gradient,
   Orbitron / Outfit / Rajdhani. No dependencies.
   ========================================================================== */

:root {
  /* MEP discipline colors (from the GCFJ ONESOLUTION orbital logo) */
  --hvac-green:      #2ECC71;
  --hvac-dark:       #1E8449;
  --electrical-yellow:#F1C40F;
  --electrical-amber:#F39C12;
  --plumbing-blue:   #3498DB;
  --plumbing-red:    #E74C3C;
  --architecture-blue:#4A90E2;
  --structure-black: #1A1A1A;

  /* Accents */
  --accent-cyan:     #06b6d4;
  --accent-cyan-d:   #0891b2;
  --accent-gold:     #eab308;
  --stratus-gold:    #ffd700;

  /* Text + surfaces */
  --text-primary:    #f0f4f8;
  --text-secondary:  #cbd5e0;
  --text-muted:      #94a3b8;
  --bg-darkest:      #0a1424;
  --bg-dark:         #1e3a5f;
  --bg-card:         rgba(44, 82, 130, 0.55);
  --bg-card-solid:   #16304d;
  --bg-glass:        rgba(20, 40, 66, 0.72);
  --border-subtle:   rgba(74, 144, 226, 0.30);
  --border-strong:   rgba(74, 144, 226, 0.55);

  --radius:    14px;
  --radius-sm: 9px;
  --shadow:    0 1px 2px rgba(0,0,0,.25), 0 14px 40px rgba(0,0,0,.30);
  --shadow-lg: 0 24px 70px rgba(0,0,0,.45);
  --glow-cyan: 0 0 22px rgba(6,182,212,.45);

  --head: 'Orbitron', 'Segoe UI', sans-serif;
  --body: 'Outfit', 'Segoe UI', Tahoma, sans-serif;
  --cond: 'Rajdhani', 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --maxw: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--text-primary);
  background:
    radial-gradient(1100px 600px at 85% -5%, rgba(46,204,113,.10), transparent 55%),
    radial-gradient(900px 600px at 10% 10%, rgba(6,182,212,.12), transparent 55%),
    radial-gradient(900px 700px at 50% 110%, rgba(231,76,60,.10), transparent 55%),
    linear-gradient(135deg, #1e3a5f 0%, #2c5282 25%, #1a365d 50%, #2d4a6e 75%, #1e3a5f 100%);
  background-attachment: fixed;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--head); line-height: 1.08; margin: 0; letter-spacing: .5px; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ----------------------------- Buttons --------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--cond); font-weight: 600; font-size: 15px; letter-spacing: .6px;
  text-transform: uppercase; padding: 11px 22px; border-radius: var(--radius-sm);
  border: 1.5px solid transparent; cursor: pointer; transition: all .16s ease; white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-d)); color: #04212e; border-color: transparent; }
.btn-primary:hover { box-shadow: var(--glow-cyan); transform: translateY(-1px); color: #04212e; }
.btn-ghost { background: rgba(255,255,255,.04); color: var(--text-secondary); border-color: var(--border-subtle); }
.btn-ghost:hover { border-color: var(--accent-cyan); color: var(--text-primary); }
.btn-lg { padding: 14px 30px; font-size: 16px; }
.link-btn { background: none; border: none; color: var(--accent-cyan); font: inherit; font-weight: 600; cursor: pointer; padding: 0; }
.link-btn:hover { text-decoration: underline; }

/* ----------------------------- Header ---------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(10, 20, 36, .82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 13px; color: #fff; }
.brand-logo { width: 40px; height: 40px; border-radius: 9px; box-shadow: 0 0 16px rgba(6,182,212,.25); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong { font-family: var(--head); font-weight: 800; font-size: 17px; letter-spacing: 1.5px; color: #fff; }
.brand-text em { font-family: var(--cond); font-style: normal; font-weight: 600; font-size: 12.5px; letter-spacing: 5px; color: var(--accent-cyan); margin-top: 3px; }

.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav > a:not(.btn) { color: var(--text-secondary); font-size: 14.5px; font-weight: 500; transition: color .15s; }
.main-nav > a:not(.btn):hover { color: var(--accent-cyan); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: .2s; }

/* ------------------------------- Hero ---------------------------------- */
.hero { position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 46px 46px; mask-image: linear-gradient(180deg, rgba(0,0,0,.35), transparent 65%);
}
.hero-inner { position: relative; z-index: 1; padding: 84px 24px 90px; max-width: 940px; }
.eyebrow { font-family: var(--cond); text-transform: uppercase; letter-spacing: 5px; font-size: 14px; font-weight: 600; color: var(--accent-cyan); margin-bottom: 18px; }
.hero h1 { font-size: clamp(38px, 6.4vw, 70px); font-weight: 800; letter-spacing: 1px; text-shadow: 0 2px 30px rgba(0,0,0,.4); }
.hero h1 .accent { background: linear-gradient(120deg, var(--accent-cyan), var(--hvac-green) 60%, var(--electrical-yellow)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.lede { margin-top: 24px; font-size: clamp(16px, 2vw, 19px); color: var(--text-secondary); max-width: 660px; }

.hero-search {
  margin-top: 36px; display: flex; align-items: center; gap: 8px;
  background: rgba(10, 22, 38, .8); border: 1px solid var(--border-strong);
  border-radius: var(--radius); padding: 8px 8px 8px 16px; max-width: 660px;
  box-shadow: var(--shadow-lg); backdrop-filter: blur(6px);
}
.hero-search .search-ico { color: var(--accent-cyan); flex-shrink: 0; }
.hero-search input { flex: 1; border: 0; outline: 0; font: inherit; font-size: 15px; color: var(--text-primary); background: transparent; padding: 9px; }
.hero-search input::placeholder { color: var(--text-muted); }

.hero-stats { list-style: none; display: flex; flex-wrap: wrap; gap: 40px; margin: 48px 0 0; padding: 0; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--head); font-size: 34px; font-weight: 800; color: #fff; }
.hero-stats span { font-family: var(--cond); font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 2px; margin-top: 4px; }

/* ----------------------------- Sections -------------------------------- */
.section-head { max-width: 680px; margin-bottom: 34px; }
.section-head h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 700; letter-spacing: 1px; }
.section-head p { margin-top: 12px; color: var(--text-secondary); font-size: 16px; }

.categories { padding: 76px 0; }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 16px; }
.cat-tile {
  display: flex; flex-direction: column; gap: 14px; text-align: left;
  background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius);
  padding: 24px 20px; cursor: pointer; transition: .16s ease; font: inherit; color: var(--text-primary);
  backdrop-filter: blur(8px);
}
.cat-tile:hover { border-color: var(--accent-cyan); transform: translateY(-3px); box-shadow: var(--shadow), var(--glow-cyan); }
.cat-tile .cat-ico { width: 46px; height: 46px; color: var(--accent-cyan); }
.cat-tile h3 { font-family: var(--cond); font-size: 20px; font-weight: 600; letter-spacing: .5px; }
.cat-tile .cat-count { font-family: var(--mono); font-size: 12.5px; color: var(--text-muted); }

/* ------------------------------ Library -------------------------------- */
.library { padding: 20px 0 84px; }
.library-toolbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 16px 0; border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 26px;
}
.result-count { color: var(--text-muted); font-size: 14px; font-family: var(--mono); }
.result-count span { color: var(--accent-cyan); font-weight: 700; }
.sort-wrap { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.sort-wrap label { font-family: var(--cond); font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.5px; }
.sort-wrap select { font: inherit; font-size: 14px; padding: 9px 12px; border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); background: var(--bg-card-solid); color: var(--text-primary); cursor: pointer; }
.filter-toggle { display: none; }

.library-layout { display: grid; grid-template-columns: 270px 1fr; gap: 32px; align-items: start; }

/* Filters */
.filters { position: sticky; top: 90px; background: var(--bg-glass); border: 1px solid var(--border-subtle); border-radius: var(--radius); padding: 22px; backdrop-filter: blur(10px); }
.filters-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.filters-head h3 { font-family: var(--cond); font-size: 21px; font-weight: 600; letter-spacing: .5px; }
.facet-group { border-top: 1px solid var(--border-subtle); padding: 16px 0; }
.facet-group:last-child { padding-bottom: 0; }
.facet-group > h4 { font-family: var(--cond); font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent-cyan); margin: 0 0 12px; }
.facet-opt { display: flex; align-items: center; gap: 10px; padding: 5px 0; cursor: pointer; font-size: 14px; }
.facet-opt input { width: 16px; height: 16px; accent-color: var(--accent-cyan); cursor: pointer; flex-shrink: 0; }
.facet-opt .facet-label { flex: 1; color: var(--text-secondary); }
.facet-opt .facet-n { color: var(--text-muted); font-size: 12px; font-family: var(--mono); }
.facet-opt:hover .facet-label { color: var(--text-primary); }

/* Active chips */
.active-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip { display: inline-flex; align-items: center; gap: 8px; background: rgba(6,182,212,.12); color: var(--accent-cyan); border: 1px solid var(--border-strong); border-radius: 999px; padding: 5px 12px; font-size: 13px; font-weight: 500; }
.chip button { background: none; border: 0; color: inherit; cursor: pointer; font-size: 16px; line-height: 1; padding: 0; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(248px, 1fr)); gap: 18px; }
.card { display: flex; flex-direction: column; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius); overflow: hidden; transition: .16s ease; backdrop-filter: blur(8px); }
.card:hover { border-color: var(--accent-cyan); transform: translateY(-4px); box-shadow: var(--shadow), var(--glow-cyan); }
.card-thumb { position: relative; aspect-ratio: 16 / 10; background: radial-gradient(120% 120% at 50% 0%, rgba(10,22,38,.6), rgba(10,20,36,.9)); display: grid; place-items: center; border-bottom: 1px solid var(--border-subtle); }
.card-thumb svg { width: 78px; height: 78px; filter: drop-shadow(0 0 10px currentColor); }
.card-badge { position: absolute; top: 10px; font-family: var(--cond); font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; }
.card-badge.fmt { left: 10px; background: rgba(6,182,212,.18); color: var(--accent-cyan); border: 1px solid var(--border-strong); }
.card-badge.status-listing { right: 10px; background: rgba(148,163,184,.18); color: var(--text-muted); }
.card-badge.status-available { right: 10px; background: rgba(46,204,113,.18); color: var(--hvac-green); border: 1px solid rgba(46,204,113,.4); }
.card-body { padding: 16px 16px 18px; display: flex; flex-direction: column; flex: 1; }
.card-cat { display: flex; align-items: center; gap: 7px; font-family: var(--cond); font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: var(--text-muted); }
.disc-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 7px currentColor; }
.card-title { font-family: var(--body); font-size: 15.5px; font-weight: 600; line-height: 1.32; margin: 8px 0 12px; color: var(--text-primary); }
.card-specs { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-direction: column; gap: 5px; }
.card-specs li { font-size: 12.5px; color: var(--text-muted); display: flex; gap: 8px; }
.card-specs li b { color: var(--text-secondary); font-weight: 600; min-width: 60px; font-family: var(--cond); letter-spacing: .5px; }
.card-actions { margin-top: auto; display: flex; gap: 8px; }
.card-actions .btn { flex: 1; padding: 9px 12px; font-size: 13px; }

/* Empty state */
.empty-state { text-align: center; padding: 72px 20px; color: var(--text-muted); }
.empty-state p { margin-bottom: 16px; font-size: 16px; }

/* ------------------------------- How ----------------------------------- */
.how { padding: 84px 0; }
.how-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); gap: 22px; }
.how article { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius); padding: 28px 24px; backdrop-filter: blur(8px); transition: .16s; }
.how article:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.how-num { font-family: var(--head); font-size: 26px; font-weight: 800; color: var(--accent-cyan); }
.how article h3 { font-family: var(--cond); font-size: 22px; font-weight: 600; margin: 12px 0 8px; color: #fff; }
.how article p { color: var(--text-secondary); font-size: 14.5px; }

/* ------------------------------ About ---------------------------------- */
.about { padding: 84px 0; }
.about-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.about-text h2 { font-size: clamp(26px, 4vw, 38px); margin-bottom: 20px; letter-spacing: 1px; }
.about-text p { color: var(--text-secondary); margin-bottom: 16px; max-width: 620px; }
.about-text .btn { margin-top: 10px; }
.about-card { background: var(--bg-glass); border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 32px; backdrop-filter: blur(10px); }
.about-card h3 { font-family: var(--cond); font-size: 23px; margin-bottom: 20px; color: var(--accent-cyan); letter-spacing: .5px; }
.about-card dl { margin: 0; display: flex; flex-direction: column; gap: 14px; }
.about-card dl > div { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--border-subtle); padding-bottom: 12px; }
.about-card dt { color: var(--text-muted); font-size: 14px; }
.about-card dd { margin: 0; font-weight: 600; text-align: right; font-size: 14px; color: var(--text-primary); }

/* ------------------------- CTA / Request form -------------------------- */
.cta { padding: 80px 0; }
.cta-inner { max-width: 760px; margin: 0 auto; text-align: center; background: var(--bg-glass); border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 48px 40px; backdrop-filter: blur(10px); box-shadow: var(--shadow); }
.cta h2 { font-size: clamp(26px, 4vw, 40px); letter-spacing: 1px; }
.cta p { margin: 14px auto 30px; font-size: 17px; color: var(--text-secondary); max-width: 560px; }

.req-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; text-align: left; }
.req-form .full { grid-column: 1 / -1; }
.req-form label { display: block; font-family: var(--cond); font-size: 12.5px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); margin-bottom: 6px; }
.req-form input, .req-form textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--text-primary);
  background: rgba(10, 22, 38, .65); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); padding: 12px 14px; transition: border-color .15s;
}
.req-form input:focus, .req-form textarea:focus { outline: none; border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(6,182,212,.15); }
.req-form textarea { resize: vertical; min-height: 96px; }
.req-form .form-actions { grid-column: 1 / -1; display: flex; gap: 12px; align-items: center; justify-content: center; flex-wrap: wrap; }
.form-status { font-size: 14px; font-weight: 500; min-height: 20px; }
.form-status.ok { color: var(--hvac-green); }
.form-status.err { color: var(--plumbing-red); }

/* ----------------------------- Footer ---------------------------------- */
.site-footer { background: rgba(10, 20, 36, .7); border-top: 1px solid var(--border-subtle); padding: 50px 0 38px; backdrop-filter: blur(8px); }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; align-items: flex-start; }
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-logo { width: 150px; opacity: .95; }
.footer-brand p { font-size: 14px; color: var(--text-muted); }
.footer-meta { text-align: right; font-size: 14px; line-height: 1.85; color: var(--text-secondary); }
.footer-meta a:hover { color: var(--accent-cyan); }
.footer-meta .copyright { color: var(--text-muted); font-size: 12.5px; margin-top: 8px; }

/* ------------------------------ Modal ---------------------------------- */
.modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 24px; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(5, 12, 22, .72); backdrop-filter: blur(4px); }
.modal-panel { position: relative; background: var(--bg-card-solid); border: 1px solid var(--border-strong); border-radius: var(--radius); max-width: 640px; width: 100%; max-height: 88vh; overflow: auto; box-shadow: var(--shadow-lg); animation: pop .18s ease; }
@keyframes pop { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-close { position: absolute; top: 12px; right: 16px; background: rgba(0,0,0,.3); border: 0; width: 34px; height: 34px; border-radius: 50%; font-size: 24px; line-height: 1; color: var(--text-secondary); cursor: pointer; z-index: 2; }
.modal-close:hover { color: #fff; background: rgba(0,0,0,.5); }
.modal-hero { aspect-ratio: 16 / 8; background: radial-gradient(120% 120% at 50% 0%, rgba(10,22,38,.5), rgba(10,20,36,.95)); display: grid; place-items: center; border-bottom: 1px solid var(--border-subtle); }
.modal-hero svg { width: 116px; height: 116px; filter: drop-shadow(0 0 14px currentColor); }
.modal-content { padding: 26px 30px 32px; }
.modal-content .card-cat { font-size: 12px; margin-bottom: 6px; }
.modal-content h2 { font-family: var(--head); font-size: 26px; font-weight: 700; margin: 4px 0; color: #fff; letter-spacing: .5px; }
.modal-desc { color: var(--text-secondary); margin: 14px 0 22px; }
.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.spec-table th, .spec-table td { text-align: left; padding: 10px 0; border-bottom: 1px solid var(--border-subtle); font-size: 14px; vertical-align: top; }
.spec-table th { color: var(--text-muted); font-weight: 500; width: 42%; font-family: var(--cond); letter-spacing: .5px; }
.spec-table td { color: var(--text-primary); font-weight: 500; font-family: var(--mono); font-size: 13px; }
.modal-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.modal-actions .btn { flex: 1; min-width: 160px; }

/* --------------------------- Responsive -------------------------------- */
@media (max-width: 900px) {
  .main-nav { display: none; position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: rgba(10,20,36,.97); padding: 12px 24px 20px; border-bottom: 1px solid var(--border-subtle); }
  .main-nav.open { display: flex; }
  .main-nav > a:not(.btn) { padding: 13px 0; border-bottom: 1px solid var(--border-subtle); }
  .main-nav .btn { margin-top: 10px; }
  .nav-toggle { display: flex; }
  .library-layout { grid-template-columns: 1fr; }
  .filters { position: fixed; inset: 0; top: 0; z-index: 50; border-radius: 0; max-width: 340px; transform: translateX(-100%); transition: transform .22s ease; overflow: auto; box-shadow: var(--shadow-lg); }
  .filters.open { transform: none; }
  .filter-toggle { display: inline-flex; }
  .about-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-inner { flex-direction: column; }
  .footer-meta { text-align: left; }
}
@media (max-width: 560px) {
  .hero-search { flex-wrap: wrap; }
  .hero-search input, .hero-search .btn { width: 100%; }
  .hero-stats { gap: 26px; }
  .req-form { grid-template-columns: 1fr; }
  .card-actions { flex-direction: column; }
}