/* ============================================================
   หมวดเหลิม หินอ่อน–หินแกรนิต | Public styles (catalog style)
   ============================================================ */
:root{
  --white:#fff; --bg:#F4F6F5; --surface:#fff; --border:#E1E7E3;
  --green:#68A97C; --green-dark:#315C42; --green-tint:#EDF5F0; --line:#22462F;
  --text:#26332B; --muted:#6B756F; --gold:#B98A2E;
  --line-green:#06C755;
  --radius:10px; --radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(38,51,43,.06); --shadow-md:0 10px 26px rgba(38,51,43,.10);
  --container:1180px;
  --font-d:'Prompt','Noto Sans Thai',system-ui,sans-serif;
  --font-b:'Noto Sans Thai',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}*{margin:0}
body{font-family:var(--font-b);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img,svg,iframe{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-d);color:var(--green-dark);line-height:1.3;font-weight:600}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--green);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:16px}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--green-dark);color:#fff;padding:.5rem 1rem;border-radius:6px;z-index:200}
.skip-link:focus{left:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.6rem 1.15rem;border-radius:8px;font-family:var(--font-d);font-weight:600;font-size:.92rem;transition:.2s;line-height:1.1}
.btn svg{width:1.1em;height:1.1em}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--line)}
.btn-outline{border:1.5px solid var(--border);color:var(--green-dark);background:#fff}
.btn-outline:hover{border-color:var(--green);color:var(--green)}
.btn-ghost{background:var(--green-tint);color:var(--green-dark)}
.btn-line{background:var(--line-green);color:#fff}
.btn-line:hover{filter:brightness(.94)}
.btn-lg{padding:.8rem 1.5rem;font-size:1rem}
.btn-block{width:100%}

/* Topbar */
.topbar{background:var(--green-dark);color:#dcece2;font-size:.82rem}
.topbar__in{display:flex;justify-content:space-between;align-items:center;gap:1rem;min-height:38px;flex-wrap:wrap}
.topbar__tag{opacity:.9;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:70%}
.topbar__contact{display:flex;gap:1rem;flex:none}
.topbar__contact a:hover{color:#fff;text-decoration:underline}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--border)}
.site-header__in{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding-block:.9rem}
.brand{display:flex;align-items:center;gap:.7rem}
.brand__mark{width:48px;height:48px;border-radius:10px;object-fit:cover;border:1px solid var(--border);flex:none}
.brand__name{font-family:var(--font-d);font-weight:700;color:var(--green-dark);font-size:1.12rem;line-height:1.15}
.brand__name small{display:block;font-size:.7rem;font-weight:500;color:var(--muted)}
.search{display:flex;flex:1;max-width:440px;border:1.5px solid var(--border);border-radius:8px;overflow:hidden;background:#fff}
.search input{flex:1;border:none;padding:.6rem .85rem;outline:none;min-width:0}
.search button{background:var(--green);color:#fff;padding:0 .9rem;display:grid;place-items:center}
.search button svg{width:20px;height:20px}
.search button:hover{background:var(--line)}

/* Main nav */
.mainnav{background:var(--green);color:#fff}
.mainnav__in{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.mainnav__list{display:flex;list-style:none;gap:.2rem}
.mainnav__list a{display:block;padding:.8rem 1.05rem;font-family:var(--font-d);font-weight:500;font-size:.95rem;color:#eafaf0}
.mainnav__list a:hover{background:rgba(255,255,255,.14)}
.mainnav__list a[aria-current="page"]{background:var(--line);color:#fff}
.mainnav__cta{font-family:var(--font-d);font-weight:600;font-size:.9rem;background:var(--line-green);color:#fff;padding:.5rem 1rem;border-radius:7px}
.mainnav__cta:hover{filter:brightness(.94)}
.mainnav__toggle{display:none;align-items:center;gap:.5rem;color:#fff;font-family:var(--font-d);font-weight:600;padding:.7rem 0}
.mainnav__toggle span,.mainnav__toggle span::before,.mainnav__toggle span::after{content:"";display:block;width:20px;height:2px;background:#fff;position:relative}
.mainnav__toggle span::before{position:absolute;top:-6px}.mainnav__toggle span::after{position:absolute;top:6px}

@media(max-width:820px){
  .mainnav__in{flex-wrap:wrap}
  .mainnav__toggle{display:flex}
  .mainnav__list{display:none;flex-direction:column;width:100%;padding-bottom:.5rem}
  .mainnav__list.open{display:flex}
  .mainnav__list a{padding:.7rem .5rem;border-top:1px solid rgba(255,255,255,.15)}
  .mainnav__cta{display:none}
}

/* Sections */
.section{padding-block:clamp(2rem,5vw,3.25rem)}
.section--tint{background:#fff;border-block:1px solid var(--border)}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.25rem;border-bottom:2px solid var(--green);padding-bottom:.5rem}
.section-head h2,.section-head h1{font-size:clamp(1.3rem,3vw,1.7rem)}
.section-head__more{font-family:var(--font-d);font-weight:600;color:var(--green);font-size:.9rem;flex:none}

/* Hero */
.hero{background:linear-gradient(180deg,#fff, var(--bg));border-bottom:1px solid var(--border)}
.hero__in{display:grid;gap:1.5rem;align-items:center;padding-block:clamp(1.5rem,4vw,2.75rem)}
@media(min-width:860px){.hero__in{grid-template-columns:1.1fr .9fr}}
.hero__badge{display:inline-block;background:var(--green-tint);color:var(--green-dark);font-family:var(--font-d);font-weight:600;font-size:.8rem;padding:.3rem .8rem;border-radius:999px;margin-bottom:.75rem}
.hero__text h1{font-size:clamp(1.6rem,4vw,2.5rem);margin-bottom:.6rem}
.hero__text p{color:var(--muted);font-size:1.05rem;margin-bottom:1.1rem;max-width:44ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:.8rem}
.hero__price{font-family:var(--font-d);font-weight:600;color:var(--gold)}
.hero__img img{width:100%;border-radius:14px;border:1px solid var(--border);box-shadow:var(--shadow-md);aspect-ratio:16/10;object-fit:cover}

/* Category grid */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem}
@media(min-width:600px){.cat-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:900px){.cat-grid{grid-template-columns:repeat(6,1fr)}}
.cat-card{display:flex;flex-direction:column;gap:.5rem;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;text-align:center;transition:.2s}
.cat-card:hover{border-color:var(--green);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.cat-card__img{aspect-ratio:1;background:var(--bg);overflow:hidden}
.cat-card__img img{width:100%;height:100%;object-fit:cover}
.cat-card span{display:block;padding:0 .5rem .7rem;font-family:var(--font-d);font-weight:600;font-size:.82rem;color:var(--green-dark);line-height:1.25}

/* Product grid + cards */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
@media(min-width:640px){.product-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:980px){.product-grid{grid-template-columns:repeat(4,1fr)}}
.product-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.product-card:hover{border-color:var(--green);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.product-card__img{position:relative;aspect-ratio:1;background:var(--bg);overflow:hidden}
.product-card__img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.product-card:hover .product-card__img img{transform:scale(1.05)}
.badge-featured{position:absolute;top:.5rem;left:.5rem;background:var(--gold);color:#fff;font-family:var(--font-d);font-size:.68rem;font-weight:600;padding:.2rem .55rem;border-radius:999px}
.product-card__body{padding:.75rem .8rem .9rem;display:flex;flex-direction:column;gap:.35rem;flex:1}
.product-card__cat{font-size:.72rem;color:var(--green);font-weight:600}
.product-card__body h3{font-size:.92rem;font-weight:600;line-height:1.35}
.product-card__body h3 a:hover{color:var(--green)}
.product-card__meta{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-top:auto;flex-wrap:wrap}
.product-card__meta .code{font-size:.72rem;color:var(--muted)}
.product-card__meta .price{font-family:var(--font-d);font-weight:700;color:var(--gold);font-size:.92rem}
.product-card__link{margin-top:.35rem;font-family:var(--font-d);font-weight:600;font-size:.82rem;color:#fff;background:var(--green);text-align:center;padding:.45rem;border-radius:6px}
.product-card__link:hover{background:var(--line)}

/* Breadcrumb */
.breadcrumb{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center;font-size:.82rem;color:var(--muted);padding-block:.9rem}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb span{opacity:.5}

/* Layout: sidebar + content */
.layout{display:grid;gap:1.5rem;padding-bottom:2.5rem}
@media(min-width:880px){.layout{grid-template-columns:250px 1fr;align-items:start}}
.sidebar{display:grid;gap:1rem}
.sidebar__box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.sidebar__title{background:var(--green-dark);color:#fff;font-size:.95rem;padding:.7rem .9rem}
.catlist{list-style:none}
.catlist a{display:flex;justify-content:space-between;gap:.5rem;padding:.6rem .9rem;border-top:1px solid var(--border);font-size:.9rem}
.catlist li:first-child a{border-top:none}
.catlist a:hover{background:var(--green-tint);color:var(--green-dark)}
.catlist a.active{background:var(--green-tint);color:var(--green-dark);font-weight:600;border-left:3px solid var(--green)}
.catlist em{color:var(--muted);font-style:normal;font-size:.8rem}
.sidebar__contact{padding:.9rem}
.sidebar__contact .sidebar__title{margin:-.9rem -.9rem .8rem;border-radius:0}
.sidebar__phone{font-family:var(--font-d);font-weight:700;color:var(--green-dark);font-size:1.15rem}
.sidebar__note{color:var(--gold);font-weight:600;font-size:.85rem;margin-top:.6rem;font-family:var(--font-d)}

.content-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;border-bottom:2px solid var(--green);padding-bottom:.5rem;margin-bottom:1.1rem}
.content-head h1{font-size:clamp(1.3rem,3vw,1.6rem)}
.content-head__count{color:var(--muted);font-size:.85rem;flex:none}
.product-grid--list{grid-template-columns:repeat(2,1fr)}
@media(min-width:640px){.product-grid--list{grid-template-columns:repeat(3,1fr)}}

/* Pagination */
.pagination{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:1.6rem;justify-content:center}
.pagination a,.pagination span{padding:.5rem .85rem;border:1px solid var(--border);border-radius:7px;font-family:var(--font-d);font-size:.9rem;background:#fff}
.pagination a:hover{border-color:var(--green);color:var(--green)}
.pagination .active{background:var(--green-dark);color:#fff;border-color:var(--green-dark)}

/* Empty */
.empty{background:#fff;border:1px dashed var(--border);border-radius:var(--radius);padding:2.5rem 1rem;text-align:center;color:var(--muted)}
.empty a{color:var(--green);font-weight:600}

/* Product detail */
.product-detail{display:grid;gap:1.5rem}
@media(min-width:820px){.product-detail{grid-template-columns:1fr 1fr}}
.product-detail__media img{width:100%;border:1px solid var(--border);border-radius:12px;background:#fff;aspect-ratio:1;object-fit:cover}
.product-detail__cat{display:inline-block;color:var(--green);font-family:var(--font-d);font-weight:600;font-size:.85rem;margin-bottom:.3rem}
.product-detail__info h1{font-size:clamp(1.4rem,3.5vw,2rem);margin-bottom:.9rem}
.spec{width:100%;border-collapse:collapse;margin-bottom:1.2rem}
.spec th,.spec td{text-align:left;padding:.6rem .8rem;border:1px solid var(--border);font-size:.95rem}
.spec th{background:var(--green-tint);color:var(--green-dark);width:34%;font-family:var(--font-d);font-weight:600}
.spec__price{color:var(--gold);font-family:var(--font-d);font-weight:700;font-size:1.1rem}
.product-detail__desc{margin-bottom:1.3rem}
.product-detail__desc h2{font-size:1.1rem;margin-bottom:.4rem;padding-bottom:.3rem;border-bottom:1px solid var(--border)}
.product-detail__desc p{color:#3a463f}
.product-detail__cta{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:.8rem}
.product-detail__hint{font-size:.85rem;color:var(--muted)}
.related{margin-top:2.5rem}

/* About */
.about{display:grid;gap:1.5rem;align-items:start}
@media(min-width:820px){.about{grid-template-columns:.9fr 1.1fr}}
.about__media img{width:100%;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-sm);aspect-ratio:16/10;object-fit:cover}
.about__text h1{font-size:clamp(1.5rem,3.5vw,2rem);margin-bottom:.7rem}
.about__text>p{color:#3a463f;margin-bottom:1rem}
.about__list{list-style:none;display:grid;gap:.6rem;margin-bottom:1.2rem}
.about__list li{padding-left:1.6rem;position:relative;color:#3a463f}
.about__list li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}
.about__cta{display:flex;flex-wrap:wrap;gap:.6rem}

/* CTA band */
.ctaband{background:var(--green-dark);color:#eafaf0}
.ctaband__in{display:grid;gap:1rem;padding-block:2rem;align-items:center}
@media(min-width:780px){.ctaband__in{grid-template-columns:1fr auto}}
.ctaband h2{color:#fff;font-size:clamp(1.2rem,3vw,1.6rem)}
.ctaband p{color:#c7ddd0;margin-top:.3rem}
.ctaband__actions{display:flex;flex-wrap:wrap;gap:.6rem}

/* Contact */
.contact{display:grid;gap:1.5rem}
@media(min-width:840px){.contact{grid-template-columns:1fr 1.1fr}}
.infobox{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem}
.infobox h2{font-size:1.1rem;margin-bottom:.7rem;border-bottom:2px solid var(--green);padding-bottom:.4rem}
.infobox ul{list-style:none;display:grid;gap:.7rem}
.infobox li{display:grid;gap:.1rem}
.infobox li span{font-family:var(--font-d);font-weight:600;color:var(--green-dark);font-size:.85rem}
.infobox a:hover{color:var(--green)}
.map-embed{margin-top:1rem;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;aspect-ratio:16/11}
.map-embed iframe{width:100%;height:100%;border:0}

/* Form */
.form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.3rem}
.form h2{font-size:1.15rem;margin-bottom:1rem}
.form-row{display:grid;gap:1rem}
@media(min-width:520px){.form-row{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1rem}
.field label{font-family:var(--font-d);font-weight:600;font-size:.88rem;color:var(--green-dark)}
.field .req{color:var(--green)}
.field input,.field select,.field textarea{border:1.5px solid var(--border);border-radius:8px;padding:.65rem .8rem;background:var(--bg);outline:none;transition:.2s;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green);background:#fff;box-shadow:0 0 0 3px rgba(104,169,124,.15)}
.field textarea{min-height:120px;resize:vertical}
.field.error input,.field.error select,.field.error textarea{border-color:#d15a50;background:#fdf3f2}
.field .err{color:#c0453c;font-size:.78rem}
.form-note{font-size:.82rem;color:var(--muted);margin-bottom:1rem}

/* Alerts */
.alert{border-radius:var(--radius);padding:1rem 1.15rem;margin-bottom:1rem;font-size:.95rem}
.alert--success{background:var(--green-tint);border:1px solid var(--green);color:var(--green-dark)}
.alert--error{background:#fdf2f1;border:1px solid #e2a49e;color:#a23c33}

/* Footer */
.site-footer{background:var(--green-dark);color:#c7d9cd;margin-top:2rem}
.footer-grid{display:grid;gap:1.6rem;padding-block:2.2rem}
@media(min-width:720px){.footer-grid{grid-template-columns:1.5fr 1fr 1.4fr}}
.brand--footer .brand__name{color:#fff}
.brand--footer .brand__name small{color:var(--green)}
.footer-about{color:#a9c2b3;font-size:.9rem;margin-top:.8rem;max-width:36ch}
.footer-col h4{color:#fff;margin-bottom:.8rem;font-size:1rem}
.footer-col ul{list-style:none;display:grid;gap:.45rem}
.footer-col a,.footer-contact li{color:#a9c2b3;font-size:.9rem}
.footer-col a:hover{color:#fff}
.footer-contact{list-style:none;display:grid;gap:.5rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13)}
.footer-bottom__in{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:space-between;padding-block:1rem;font-size:.8rem;color:#8fab9c}
.footer-bottom a:hover{color:#fff}

/* Floaters */
.floaters{position:fixed;right:14px;bottom:14px;z-index:60;display:flex;flex-direction:column;gap:.6rem}
.fab{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-md);transition:.2s}
.fab:hover{transform:translateY(-2px)}
.fab svg{width:24px;height:24px}
.fab-line{background:var(--line-green)}.fab-call{background:var(--green)}.fab-top{background:var(--green-dark)}
.fab-call{display:none}
@media(max-width:720px){.fab-call{display:grid}}