/* =========================================================
   R V Metal Corporation — custom-datasheet.css (CLEAN)
   Litho Engineering Look: white surfaces + slate text
   Accent only via magenta→orange gradient
   ========================================================= */

:root{
  --rv-text:#0f172a;
  --rv-muted:#64748b;
  --rv-border:rgba(15,23,42,.10);
  --rv-line:rgba(2,6,23,.10);
  --rv-soft:#f8fafc;

  --rv-magenta:#ff5c8a;
  --rv-orange:#ff9a3d;
  --rv-grad:linear-gradient(90deg,var(--rv-magenta),var(--rv-orange));
  --rv-grad2:linear-gradient(135deg,var(--rv-magenta),var(--rv-orange));

  --rv-radius:18px;
  --rv-pill:999px;

  --rv-shadow-sm:0 10px 25px rgba(2,6,23,.08);
  --rv-shadow-lg:0 26px 80px rgba(2,6,23,.14);
  --rv-shadow:0 18px 45px rgba(2,6,23,.10);

  --rv-ring:0 0 0 6px rgba(255,92,138,.18);
}

body{ color:var(--rv-text); background:#fff; }
.text-muted{ color:var(--rv-muted)!important; }

/* Hero */
.hero-section{
  min-height:600px;
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  padding-top:96px;
}
.hero-section::after{
  content:"";
  position:absolute; inset:0;
  background:url("assets/metal-texture.jpg") center/cover no-repeat;
  z-index:0;
}
.hero-section::before{
  content:"";
  position:absolute; inset:0;
  background:
    linear-gradient(rgba(2,6,23,.62), rgba(2,6,23,.78)),
    var(--rv-grad);
  mix-blend-mode:multiply;
  z-index:1;
}
.hero-section .container{ position:relative; z-index:2; }

/* Search */
.search-container .input-group{
  border-radius:var(--rv-pill);
  overflow:hidden;
  border:2px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    var(--rv-grad) border-box;
  box-shadow:0 18px 50px rgba(2,6,23,.10);
}
.search-container .input-group:focus-within{
  box-shadow:var(--rv-ring), 0 18px 50px rgba(2,6,23,.10);
}
.search-container .input-group-text{ background:#fff; border:0; padding-left:1.1rem; }

/* Tabs */
.nav-tabs{ border-bottom:0!important; }
.nav-tabs .nav-link{
  border:1px solid rgba(15,23,42,.12)!important;
  margin:.25rem;
  border-radius:14px!important;
  padding:.85rem 1.15rem;
  font-weight:800;
  color:rgba(15,23,42,.82);
  background:#fff;
  box-shadow:0 10px 25px rgba(2,6,23,.06);
  transition:transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}
.nav-tabs .nav-link:hover{
  transform:translateY(-1px);
  box-shadow:0 14px 32px rgba(2,6,23,.10);
  border-color:rgba(255,92,138,.35)!important;
}
.nav-tabs .nav-link.active{
  color:#fff!important;
  border:0!important;
  background:var(--rv-grad)!important;
  box-shadow:0 18px 45px rgba(255,92,138,.22);
}

/* Alloy cards */
.alloy-card{
  background:#fff;
  border:1px solid var(--rv-border);
  border-radius:var(--rv-radius);
  overflow:hidden;
  box-shadow:var(--rv-shadow-sm);
  transition:transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.alloy-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--rv-shadow-lg);
  border-color:rgba(255,92,138,.35);
}
.alloy-card .card-header{
  background:#fff!important;
  border-bottom:1px solid rgba(15,23,42,.08)!important;
  position:relative;
}
.alloy-card .card-header::before{
  content:"";
  position:absolute;
  left:0; top:0; right:0; height:5px;
  background:var(--rv-grad);
}
.alloy-card .card-header *{ color:var(--rv-text)!important; }
.alloy-card .card-body{ padding:1rem; }
.alloy-card .card-footer{ background:#fff!important; }

/* Badges */
.badge.rounded-pill{ font-weight:800; padding:.45rem .7rem; }
.badge.bg-gradient-primary{ background:var(--rv-grad)!important; color:#fff; }

/* Buttons */
.btn-gradient-primary{
  border:0;
  color:#fff!important;
  background:var(--rv-grad);
  border-radius:var(--rv-pill);
  font-weight:900;
  box-shadow:0 14px 34px rgba(255,92,138,.22);
}
.btn-gradient-primary:hover{ filter:saturate(1.05); }

.btn-outline-slate{
  border:1px solid rgba(15,23,42,.18);
  background:#fff;
  color:var(--rv-text);
  border-radius:var(--rv-pill);
  font-weight:900;
}
.btn-outline-slate:hover{ box-shadow:var(--rv-shadow-sm); }

/* Spec modal base */
#specModal .modal-dialog{ max-width:1080px; }
#specModal .modal-content{
  background:#fff;
  border:1px solid rgba(2,6,23,.10);
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--rv-shadow);
}
#specModal .modal-header{
  border:0;
  background:var(--rv-grad);
  padding:14px 16px;
}
#specModal .modal-title{ font-weight:900; letter-spacing:-0.01em; color:#fff; }
#specModal .btn-close{ filter:invert(1) grayscale(1) brightness(2); opacity:.9; }
#specModal .modal-body{ padding:16px; background:#fff; }

/* Lead modal */
#leadModal .modal-content{
  background:#fff;
  border:0;
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--rv-shadow-lg);
}
#leadModal .modal-header{
  background:var(--rv-grad);
  border-bottom:0;
}
#leadModal .modal-header .modal-title,
#leadModal .modal-header .btn-close{ filter:brightness(10); }
#leadModal label{ font-weight:800; color:var(--rv-text); }

/* rv-spec-compact */
.rv-spec-compact{ color:var(--rv-text); }

.rv-spec-compact .rv-spec-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:12px;
  padding:12px 14px;
  border:1px solid var(--rv-line);
  border-radius:18px;
  background:linear-gradient(180deg,#fff,rgba(248,250,252,.85));
  box-shadow:0 12px 30px rgba(2,6,23,.06);
  margin-bottom:10px;
}
.rv-spec-compact .rv-spec-h-title{ font-weight:900; font-size:1.05rem; letter-spacing:-0.01em; }
.rv-spec-compact .rv-spec-h-sub{ color:var(--rv-muted); font-weight:800; font-size:.9rem; margin-top:2px; }

.rv-spec-compact .rv-badges{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:10px 0 12px;
}

.rv-spec-compact .cols{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:14px;
}
@media (max-width:992px){
  .rv-spec-compact .cols{ grid-template-columns:1fr; }
}

.rv-spec-compact .panel{
  border:1px solid var(--rv-line);
  border-radius:18px;
  overflow:hidden;
  background:#fff;
}
.rv-spec-compact .ph{
  padding:12px 14px;
  font-weight:900;
  background:var(--rv-soft);
  border-bottom:1px solid var(--rv-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.rv-spec-compact .pb{ padding:12px 14px; }

.rv-spec-compact .pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:800;
  border:1px solid var(--rv-line);
  background:rgba(2,6,23,.05);
  color:var(--rv-text);
  line-height:1;
  white-space:nowrap;
}
.rv-spec-compact .pill i{ font-size:14px; opacity:.95; }
.rv-spec-compact .pill-soft{ background:rgba(2,6,23,.04); }
.rv-spec-compact .pill-grad{
  border:0;
  color:#fff;
  background:var(--rv-grad2);
  box-shadow:0 10px 22px rgba(255,92,138,.22);
}

.rv-spec-compact .titleMini{
  font-weight:900;
  margin:8px 0 10px;
  color:var(--rv-muted);
  letter-spacing:.01em;
}
.rv-spec-compact .gridTables{ display:grid; gap:12px; }

.rv-spec-compact table.spec{
  width:100%;
  border-collapse:collapse;
  font-size:13px;
  background:#fff;
  border-radius:14px;
  overflow:hidden;
}
.rv-spec-compact table.spec th,
.rv-spec-compact table.spec td{
  border:1px solid rgba(2,6,23,.10);
  padding:8px 10px;
  vertical-align:top;
}
.rv-spec-compact table.spec thead th{
  background:var(--rv-soft);
  color:var(--rv-text);
  font-weight:900;
}
.rv-spec-compact table.spec tbody tr:nth-child(even){ background:rgba(248,250,252,.65); }
.rv-spec-compact .muted{ color:var(--rv-muted); }

.rv-spec-compact table.spec th{ width:42%; white-space:nowrap; }
@media (max-width:560px){
  .rv-spec-compact table.spec th{ width:48%; }
}
.rv-spec-compact table.spec td{ word-break:break-word; }

.rv-spec-compact ul.apps{ margin:0; padding-left:18px; }
.rv-spec-compact ul.apps li{
  margin:8px 0;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.rv-spec-compact ul.apps li i{ color:var(--rv-magenta); margin-top:2px; }

.rv-spec-compact .gate{
  margin-top:14px;
  padding:12px;
  border-radius:18px;
  background:linear-gradient(90deg, rgba(255,92,138,.09), rgba(255,154,61,.09));
  border:1px solid rgba(2,6,23,.10);
}
.rv-spec-compact .gateHead{ font-weight:900; color:var(--rv-text); }
.rv-spec-compact .help{ margin-top:4px; font-size:12px; color:var(--rv-muted); }
.rv-spec-compact .gateBtns{ display:flex; gap:10px; flex-wrap:wrap; margin-top:10px; }
.rv-spec-compact .gateBtns .btn{ flex:1; min-width:220px; }
.rv-spec-compact .gateSmall{
  margin-top:12px;
  display:grid;
  gap:6px;
  font-size:12px;
  color:var(--rv-text);
}
.rv-spec-compact .gateSmall b{ font-weight:900; }

.rv-spec-compact .noteMini{
  margin-top:12px;
  font-size:12px;
  color:var(--rv-muted);
  border-top:1px dashed rgba(2,6,23,.16);
  padding-top:10px;
}

.rv-spec-compact .btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 14px;
  border-radius:14px;
  font-weight:900;
  border:0;
  cursor:pointer;
  text-decoration:none;
  transition:.18s transform,.18s box-shadow,.18s opacity;
  user-select:none;
  white-space:nowrap;
}
.rv-spec-compact .btn:active{ transform:translateY(1px); }
.rv-spec-compact .btn-primary{
  color:#fff;
  background:var(--rv-grad2);
  box-shadow:0 12px 28px rgba(255,92,138,.28);
}
.rv-spec-compact .btn-primary:hover{ box-shadow:0 16px 36px rgba(255,92,138,.34); }
.rv-spec-compact .btn-ghost{
  background:#fff;
  border:1px solid rgba(2,6,23,.12);
  color:var(--rv-text);
}
.rv-spec-compact .btn-ghost:hover{ box-shadow:0 12px 30px rgba(2,6,23,.08); }

/* Text gradient helper */
.text-gradient-magenta-orange{
  background:var(--rv-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* Scrollbar (optional) */
::-webkit-scrollbar{ width:8px; }
::-webkit-scrollbar-track{ background:var(--rv-soft); }
::-webkit-scrollbar-thumb{ background:var(--rv-grad); border-radius:6px; }
::-webkit-scrollbar-thumb:hover{ background:linear-gradient(90deg,var(--rv-orange),var(--rv-magenta)); }

/* Animations */
@keyframes rvFadeUp{ from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }
.fade-in-up{ animation:rvFadeUp .45s ease-out; }

@media (max-width:992px){ .hero-section{ min-height:560px; } }
@media (max-width:768px){
  .hero-section{ padding-top:82px; min-height:540px; }
  .nav-tabs .nav-link{ padding:.75rem .9rem; font-size:.92rem; }
  .modal-dialog{ margin:.5rem; }
}
@media print{
  .hero-section, .nav-tabs, .modal-footer, footer{ display:none!important; }
  .alloy-card{ break-inside:avoid; box-shadow:none!important; border:1px solid #ddd!important; }
}