/* ============================================================
   Litava — padangų katalogas
   Bendras stilius sąrašo ir prekės puslapiams.
   Spalvos paimtos iš litava.lt pagrindinio puslapio.
   ============================================================ */

:root{
  --blue:#0a4d8c;
  --blue-dark:#073763;
  --blue-light:#e8f1fa;
  --accent:#1477d1;
  --text:#1b2733;
  --muted:#5c6b7a;
  --line:#e2e8f0;
  --white:#ffffff;
  --bg:#f6f9fc;
  --green:#1f9d6b;
  --radius:10px;
  --shadow:0 1px 3px rgba(7,55,99,.08);
  --shadow-hover:0 6px 20px rgba(7,55,99,.13);
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- Header / nav (atitinka litava.lt) ---------- */

.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--white);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow);
}
.site-header .wrap{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo img{height:40px;width:auto;display:block}
.logo b{font-size:1.15rem;color:var(--blue-dark);letter-spacing:.02em}

nav.main{margin-left:auto;display:flex;align-items:center;gap:22px}
nav.main a{color:var(--text);font-size:.95rem;font-weight:500}
nav.main a:hover{color:var(--accent);text-decoration:none}
nav.main a.active{color:var(--blue);font-weight:600}
/* mygtukas navigacijoje – visada baltas tekstas (nav.main a specifiškumas
   yra didesnis už .btn-primary, todėl reikia atskirai) */
nav.main a.btn-primary,
nav.main a.btn-primary:hover,
nav.main a.btn-primary:focus{color:var(--white)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius);
  font-weight:600;font-size:.95rem;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--blue);color:var(--white)}
.btn-primary:hover{background:var(--blue-dark);color:var(--white);text-decoration:none}
.btn-outline{background:var(--white);color:var(--blue);border-color:var(--blue)}
.btn-outline:hover{background:var(--blue-light);text-decoration:none}
.btn-sm{padding:8px 14px;font-size:.9rem}

.menu-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--blue-dark);cursor:pointer;line-height:1}

/* ---------- Page head ---------- */

.page-head{background:var(--bg);border-bottom:1px solid var(--line);padding:28px 0 30px}
.page-head h1{margin:0 0 8px;font-size:2rem;color:var(--blue-dark);font-weight:650}
.page-head p{margin:0;color:var(--muted);max-width:70ch}

.crumbs{font-size:.85rem;color:var(--muted);margin:0 0 14px}
.crumbs a{color:var(--muted)}
.crumbs span{margin:0 6px;opacity:.6}

/* ---------- Filters ---------- */

.filters{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px;margin:-22px 0 26px;position:relative;z-index:2;
}
.filters .row{display:grid;grid-template-columns:1.8fr 1fr 1.1fr .9fr;gap:12px}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field label{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600}
.field input,.field select{
  font:inherit;font-size:.95rem;color:var(--text);
  padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--white);
  width:100%;
}
.field input:focus,.field select:focus{outline:2px solid var(--blue-light);border-color:var(--accent)}

.filters .foot{
  display:flex;align-items:center;gap:14px;
  margin-top:14px;padding-top:12px;border-top:1px solid var(--line);
}
.count{font-size:.9rem;color:var(--muted)}
.count b{color:var(--text)}
.link-reset{margin-left:auto;font-size:.9rem;background:none;border:0;color:var(--accent);cursor:pointer;padding:0}
.link-reset:hover{text-decoration:underline}

/* ---------- Listing ---------- */

.listing{display:flex;flex-direction:column;gap:12px;padding-bottom:40px}

.card{
  display:grid;grid-template-columns:132px 1fr 190px;gap:20px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow);transition:box-shadow .16s,border-color .16s;
}
.card:hover{box-shadow:var(--shadow-hover);border-color:#c9d8e8}

.card .thumb{
  width:132px;height:132px;border-radius:8px;background:var(--bg);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.card .thumb img{width:100%;height:100%;object-fit:contain;display:block}

.card .body{min-width:0}

/* prekės ženklo logotipas (vietoj teksto) */
.brand-logo{display:block;height:14px;width:auto;margin:0 0 6px}
.product .brand-logo{height:20px;margin-bottom:12px}
.card h2{margin:0 0 4px;font-size:1.4rem;font-weight:650;line-height:1.2}
.card h2 a{color:var(--blue-dark)}
.card h2 a:hover{color:var(--accent);text-decoration:none}
.subtitle{margin:0 0 10px;font-size:.9rem;color:var(--muted)}

.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  border:1px dashed #b9d3ea;border-radius:7px;
  padding:5px 10px;font-size:.86rem;color:var(--text);background:#fbfdff;
}
.chip.size{font-weight:600}
.chip .ico{width:14px;height:14px;flex:0 0 auto;opacity:.85}
.chip .cls{font-weight:700}
.chip.grade{border-style:solid;border-color:var(--line)}
.chip.mark{border-style:solid;border-color:#cfe3d8;background:#f4fbf7;color:#1b6b4c}

/* ---------- Paaiškinimai (tooltip): veikia ant bet kurio elemento su data-tip ---------- */

[data-tip]{position:relative;cursor:help}
[data-tip]::after{
  content:attr(data-tip);
  position:absolute;left:50%;bottom:calc(100% + 9px);transform:translateX(-50%);
  background:var(--blue-dark);color:#fff;text-align:left;
  font-size:.8rem;line-height:1.4;font-weight:400;
  padding:9px 11px;border-radius:8px;
  width:max-content;max-width:250px;white-space:normal;
  box-shadow:0 8px 22px rgba(7,55,99,.28);
  opacity:0;visibility:hidden;transition:opacity .13s ease;
  pointer-events:none;z-index:30;
}
[data-tip]::before{
  content:"";position:absolute;left:50%;bottom:calc(100% + 4px);transform:translateX(-50%);
  border:5px solid transparent;border-top-color:var(--blue-dark);
  opacity:0;visibility:hidden;transition:opacity .13s ease;z-index:30;
}
[data-tip]:hover::after,[data-tip]:hover::before,
[data-tip]:focus-visible::after,[data-tip]:focus-visible::before{opacity:1;visibility:visible}
[data-tip]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* pirmos ir paskutinės kortelės burbulai neišlipa už krašto */
.chips > :first-child[data-tip]::after{left:0;transform:none}
.chips > :first-child[data-tip]::before{left:22px;transform:none}

.card .side{
  display:flex;flex-direction:column;align-items:stretch;gap:8px;
  padding-left:20px;border-left:1px solid var(--line);
}
.side .code{font-size:.8rem;color:var(--muted);text-align:center}
.side .code b{color:var(--text)}

.empty{
  display:none;text-align:center;padding:56px 20px;color:var(--muted);
  border:1px dashed var(--line);border-radius:var(--radius);background:var(--bg);
}
.empty b{display:block;color:var(--text);font-size:1.05rem;margin-bottom:4px}

/* ---------- Product page ---------- */

.product{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:40px;padding:30px 0 10px}
.gallery{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.gallery img{width:100%;height:100%;object-fit:contain;display:block}

.product h1{margin:0 0 6px;font-size:2.1rem;color:var(--blue-dark);font-weight:650;line-height:1.15}
.product .lead{margin:0 0 18px;color:var(--muted)}
.product .chips{margin-bottom:22px}

.cta-box{
  border:1px solid var(--line);border-left:4px solid var(--blue);
  border-radius:var(--radius);background:var(--bg);padding:18px 20px;margin-bottom:22px;
}
.cta-box h2{
  margin:0 0 4px;font-size:1.05rem;color:var(--blue-dark);
  border:0;padding:0;
}
.cta-box p{margin:0 0 14px;font-size:.92rem;color:var(--muted)}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:stretch}

/* mygtukai su ikonomis + paaiškinamuoju parašu po jais */
.btn svg{width:17px;height:17px;flex:0 0 auto}
.btn-stack{display:flex;flex-direction:column;gap:4px}
.btn-stack .hint{font-size:.78rem;color:var(--muted);text-align:center}
.cta-row .btn{min-width:210px;padding:12px 20px}
.side .btn{width:100%}

.spec-block{margin:0 0 26px}
.spec-block h2{
  font-size:1.05rem;margin:0 0 12px;color:var(--blue-dark);
  padding-bottom:8px;border-bottom:1px solid var(--line);
}
table.spec{width:100%;border-collapse:collapse;font-size:.94rem}
table.spec th,table.spec td{text-align:left;padding:9px 0;border-bottom:1px solid var(--line);vertical-align:top}
table.spec th{font-weight:500;color:var(--muted);width:46%}
table.spec td{font-weight:600}

.label-grid{display:flex;flex-wrap:wrap;gap:12px}
.label-card{
  flex:1 1 150px;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;text-align:center;background:var(--white);
}
.label-card .big{font-size:1.7rem;font-weight:700;color:var(--blue-dark);line-height:1}
.label-card .cap{font-size:.78rem;color:var(--muted);margin-top:6px;display:block}

.related{border-top:1px solid var(--line);padding:24px 0 44px;display:flex;flex-wrap:wrap;gap:10px}

/* ---------- Footer ---------- */

.site-footer{background:var(--blue-dark);color:#cfe0f0;padding:34px 0;font-size:.9rem;margin-top:10px}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between}
.site-footer a{color:var(--white)}
.site-footer h3{margin:0 0 8px;font-size:.95rem;color:var(--white);font-weight:600}
.site-footer p{margin:0 0 4px}
.site-footer .copy{width:100%;border-top:1px solid rgba(255,255,255,.15);padding-top:16px;opacity:.75;font-size:.83rem}

/* ---------- Responsive ---------- */

@media (max-width:900px){
  .filters .row{grid-template-columns:1fr 1fr}
  .product{grid-template-columns:1fr;gap:24px}
  nav.main{display:none}
  nav.main.open{
    display:flex;flex-direction:column;align-items:flex-start;gap:14px;
    position:absolute;top:72px;left:0;right:0;background:var(--white);
    border-bottom:1px solid var(--line);padding:18px 20px;box-shadow:var(--shadow);
  }
  .menu-toggle{display:block;margin-left:auto}
}

@media (max-width:640px){
  .card{grid-template-columns:84px 1fr;gap:14px}
  .card .thumb{width:84px;height:84px}
  .card h2{font-size:1.2rem}
  .card .side{
    grid-column:1/-1;padding-left:0;border-left:0;
    border-top:1px solid var(--line);padding-top:12px;
    flex-direction:row;align-items:center;justify-content:space-between;
  }
  .filters .row{grid-template-columns:1fr}
  .page-head h1{font-size:1.6rem}
  .product h1{font-size:1.6rem}
}