/* =========================================================
   STYLES-SYSTEMS.CSS — Editorial layout for system listings
   Additive to styles.css — do not replace it.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --paper: #FAF8F3;
  --rule: #1A1A1A;
}

/* ---------- LISTING PAGE ---------- */
.systems-page { background: var(--paper); }

.systems-intro { padding: 5rem 0 3rem; border-bottom: 1px solid var(--border); }
.meta-row {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--gray-text);
  margin-bottom: 2.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--rule);
}
.systems-intro h1 { font-size: clamp(2.8rem, 6vw, 4.8rem); line-height: 1.05; margin-bottom: 1.5rem; }
.systems-intro h1 em { font-style: italic; color: var(--amber-dark); font-weight: 500; }
.systems-intro p { max-width: 540px; font-size: 1.05rem; }

/* Filter bar */
.filter-bar { border-bottom: 1px solid var(--border); background: white; padding: 1rem 0; }
.filter-inner {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.filter-label { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray-mid); }
.filter-btns { display: flex; gap: 0.5rem; }
.filter-btn {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase;
  padding: 0.45rem 0.9rem; border: 1px solid var(--border); background: white;
  color: var(--gray-text); cursor: pointer; transition: all 0.2s; border-radius: 2px;
}
.filter-btn.active, .filter-btn:hover { background: var(--navy); color: white; border-color: var(--navy); }
.filter-count { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-mid); margin-left: auto; }

/* Grid */
.systems-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem 2.5rem;
}
.loading-state, .empty-state { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.1em; color: var(--gray-mid); padding: 4rem 0; grid-column: 1/-1; }
.empty-state a { color: var(--amber-dark); }

/* System card */
.system-listing { display: block; background: white; border: 1px solid var(--border); transition: all 0.25s; position: relative; }
.system-listing:hover { transform: translateY(-3px); box-shadow: 0 18px 50px rgba(11,45,79,0.1); }

.listing-image { aspect-ratio: 4/3; background: var(--gray-bg); overflow: hidden; position: relative; }
.listing-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.system-listing:hover .listing-image img { transform: scale(1.03); }
.no-photo { display: flex; align-items: center; justify-content: center; height: 100%; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray-mid); }
.listing-tag { position: absolute; top: 1rem; left: 1rem; background: rgba(11,45,79,0.92); color: white; font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; padding: 0.4rem 0.7rem; }
.listing-ref { position: absolute; top: 1rem; right: 1rem; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em; color: rgba(255,255,255,0.85); background: rgba(0,0,0,0.4); padding: 0.35rem 0.6rem; }

.listing-body { padding: 1.75rem 1.75rem 2rem; }
.listing-modality { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--amber-dark); margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.listing-modality span { color: var(--gray-mid); }
.avail-immediate { color: #2A7A45 !important; }
.avail-scheduled { color: var(--amber-dark) !important; }

.listing-title { font-family: 'Cormorant Garamond', serif; font-size: 2rem; font-weight: 600; line-height: 1.05; color: var(--navy); margin-bottom: 0.4rem; }
.listing-title em { display: block; font-style: italic; font-weight: 500; color: var(--amber-dark); }

.listing-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; border-top: 1px solid var(--border); padding-top: 1.25rem; margin-bottom: 1.5rem; }
.listing-stat-label { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray-mid); margin-bottom: 0.3rem; }
.listing-stat-value { font-family: 'Cormorant Garamond', serif; font-size: 1.4rem; font-weight: 600; color: var(--navy); line-height: 1; }

.listing-cta { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--navy); font-weight: 600; display: flex; align-items: center; gap: 0.5rem; transition: gap 0.2s; }
.system-listing:hover .listing-cta { gap: 0.85rem; color: var(--amber-dark); }

/* ---------- DETAIL PAGE ---------- */
.detail-page { background: var(--paper); }

.detail-meta { border-bottom: 1px solid var(--rule); padding: 2rem 0 1.25rem; }
.detail-meta .container { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray-text); }
.detail-meta a { color: var(--amber-dark); }
.detail-meta a:hover { text-decoration: underline; }

.detail-hero { padding: 4rem 0 2rem; }
.modality-tag { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--amber-dark); margin-bottom: 1.5rem; display: block; }
.detail-hero h1 { font-family: 'Cormorant Garamond', serif; font-size: clamp(3.5rem, 8vw, 6.5rem); font-weight: 700; line-height: 0.95; letter-spacing: -0.015em; color: #111; margin-bottom: 0.25rem; }
.detail-hero h1 em { display: block; font-style: italic; font-weight: 500; color: var(--amber-dark); }
.detail-hero .lede { max-width: 580px; font-size: 1.08rem; line-height: 1.7; margin-top: 2rem; color: var(--gray-text); }

.hero-photo { margin: 3rem 0 0; background: var(--gray-bg); aspect-ratio: 16/9; overflow: hidden; position: relative; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.hero-photo .photo-caption { position: absolute; bottom: 1rem; left: 1rem; font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.9); background: rgba(0,0,0,0.5); padding: 0.4rem 0.75rem; }
.hero-photo .photo-index { position: absolute; bottom: 1rem; right: 1rem; font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.18em; color: rgba(255,255,255,0.85); }

/* Stats strip */
.stats-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); margin-top: 4rem; }
.stat-cell { padding: 2rem 1.5rem; border-right: 1px solid var(--border); }
.stat-cell:last-child { border-right: none; }
.stat-cell .label { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gray-mid); margin-bottom: 0.6rem; }
.stat-cell .value { font-family: 'Cormorant Garamond', serif; font-size: 2.6rem; font-weight: 600; line-height: 1; color: #111; }
.stat-cell .value sub { font-family: var(--mono); font-size: 0.7rem; font-weight: 500; color: var(--gray-text); vertical-align: baseline; margin-left: 0.25rem; }

/* Section markers */
.section-marker { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--amber-dark); margin-bottom: 1.5rem; display: block; font-weight: 500; }

.detail-section { padding: 5rem 0; border-top: 1px solid var(--border); }
.detail-section h2 { font-family: 'Cormorant Garamond', serif; font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; margin-bottom: 2.5rem; color: #111; }
.detail-section h2 em { font-style: italic; font-weight: 500; color: var(--amber-dark); }

/* Spec rows */
.spec-list { border-top: 1px solid var(--rule); }
.spec-row { display: grid; grid-template-columns: 200px 1fr 100px; gap: 2rem; padding: 1.5rem 0; border-bottom: 1px solid var(--border); align-items: baseline; }
.spec-label { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gray-text); }
.spec-value { font-family: 'Cormorant Garamond', serif; font-size: 1.5rem; font-weight: 600; color: #111; line-height: 1.2; }
.spec-value strong { font-weight: 700; }
.spec-value span { font-weight: 400; color: var(--gray-text); font-size: 1.15rem; }
.spec-tag { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gray-mid); text-align: right; }

/* Tube counter */
.counter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-top: 2.5rem; padding-top: 2.5rem; border-top: 1px solid var(--border); }
.counter-block { background: white; border: 1px solid var(--border); padding: 2rem; }
.counter-block h4 { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--amber-dark); margin-bottom: 1.5rem; font-weight: 500; }
.counter-row { display: flex; justify-content: space-between; padding: 0.8rem 0; border-bottom: 1px solid var(--border); }
.counter-row:last-child { border-bottom: none; }
.counter-row .k { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-text); }
.counter-row .v { font-family: 'Cormorant Garamond', serif; font-size: 1.15rem; font-weight: 600; color: #111; }

/* Licenses */
.licenses-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding: 1.5rem 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--border); margin-bottom: 2.5rem; }
.ls-cell { display: flex; gap: 1rem; align-items: baseline; }
.ls-num { font-family: 'Cormorant Garamond', serif; font-size: 2rem; font-weight: 700; color: #111; }
.ls-label { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray-text); line-height: 1.4; }
.license-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--border); }
.license-item { display: flex; justify-content: space-between; align-items: center; padding: 0.85rem 0; border-bottom: 1px solid var(--border); font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.05em; }
.license-item:nth-child(odd) { padding-right: 1rem; }
.license-item:nth-child(even) { padding-left: 1rem; border-left: 1px solid var(--border); }
.l-name { color: #111; font-weight: 500; }
.l-status { color: var(--amber-dark); font-size: 0.65rem; letter-spacing: 0.18em; }

/* Coil / transducer list */
.item-list { border-top: 1px solid var(--rule); }
.list-item { display: flex; justify-content: space-between; align-items: baseline; padding: 1.1rem 0; border-bottom: 1px solid var(--border); }
.li-name { font-family: 'Cormorant Garamond', serif; font-size: 1.35rem; font-weight: 600; color: #111; }
.li-meta { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-text); }

/* Photo gallery */
.photo-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 1.5rem; }
.gallery-item { background: var(--gray-bg); aspect-ratio: 4/3; position: relative; overflow: hidden; }
.gallery-item.wide { grid-column: span 2; aspect-ratio: 16/9; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.gallery-item:hover img { transform: scale(1.02); }
.gallery-caption { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(0,0,0,0.75), transparent); color: white; padding: 2rem 1.25rem 1rem; display: flex; justify-content: space-between; align-items: baseline; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; }
.gallery-caption .num { color: var(--amber); font-weight: 600; }

/* Inquiry */
.inquiry-section { background: #111; color: white; padding: 6rem 0; margin-top: 4rem; }
.inquiry-section .section-marker { color: var(--amber); }
.inquiry-section h2 { color: white; }
.inquiry-section h2 em { color: var(--amber); }
.inquiry-section .lede { color: rgba(255,255,255,0.65); max-width: 520px; font-size: 1.05rem; margin-bottom: 3rem; }
.inquiry-section form { max-width: 720px; }
.reference-tag { display: inline-flex; align-items: center; gap: 0.75rem; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--amber); border: 1px solid rgba(239,159,39,0.3); padding: 0.6rem 1rem; margin-bottom: 2rem; }
.reference-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.inquiry-section label { color: rgba(255,255,255,0.7); }
.inquiry-section input, .inquiry-section textarea, .inquiry-section select { background: transparent; border-color: rgba(255,255,255,0.2); color: white; }
.inquiry-section input::placeholder, .inquiry-section textarea::placeholder { color: rgba(255,255,255,0.3); }
.inquiry-section input:focus, .inquiry-section textarea:focus, .inquiry-section select:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(239,159,39,0.1); }
.inquiry-section .btn-primary { width: 100%; justify-content: center; padding: 1.1rem; margin-top: 1rem; }
.small-print { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.4); text-align: center; margin-top: 1.5rem; }

/* Footer ref */
.detail-footer-ref { padding: 2.5rem 0 4rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: baseline; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray-mid); }
.detail-footer-ref a { color: var(--amber-dark); }

/* Mobile */
@media (max-width: 900px) {
  .systems-grid { grid-template-columns: 1fr; }
  .listing-stats { grid-template-columns: repeat(2, 1fr); }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stats-strip .stat-cell:nth-child(2) { border-right: none; }
  .stats-strip .stat-cell:nth-child(1), .stats-strip .stat-cell:nth-child(2) { border-bottom: 1px solid var(--border); }
  .spec-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .spec-tag { text-align: left !important; }
  .counter-grid { grid-template-columns: 1fr; }
  .license-grid { grid-template-columns: 1fr; }
  .license-item:nth-child(even) { padding-left: 0; border-left: none; }
  .license-item:nth-child(odd) { padding-right: 0; }
  .photo-gallery { grid-template-columns: 1fr; }
  .gallery-item.wide { grid-column: span 1; }
  .detail-meta .container { flex-direction: column; gap: 0.5rem; }
  .meta-row { flex-direction: column; gap: 0.5rem; }
}