/* Haoyuestone — full stylesheet (loaded non-blocking; critical subset is inlined in index.html) */

:root{
  --ink:#0f2436;
  --ink-soft:#4a5a68;
  --ink-faint:#7b8b96;
  --paper:#f6f8f9;
  --line:#dfe6ea;
  --brand:#0b5f8a;
  --brand-dark:#083f5c;
  --ice:#e7f4fb;
  --accent:#f0a83c;
  --accent-dark:#c9860f;
  --good:#1f8a4c;
  --radius:10px;
  --radius-lg:16px;
  --maxw:1180px;
  --shadow:0 2px 10px rgba(15,36,54,.06);
  --shadow-lg:0 12px 32px rgba(15,36,54,.12);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.55;
}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em}
p{margin:0 0 1em}
img{max-width:100%;height:auto}
a{color:inherit}
button{font-family:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 16px}

/* ---------- Header / Nav ---------- */
nav.main-nav a{position:relative}
nav.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-9px;height:2px;background:var(--brand)}

#mobile-nav{border-bottom:1px solid var(--line);background:#fff}
#mobile-nav ul{list-style:none;margin:0;padding:8px 16px 14px;display:flex;flex-direction:column;gap:2px}
#mobile-nav a{display:block;padding:10px 4px;text-decoration:none;font-weight:600;color:var(--ink-soft);border-bottom:1px solid var(--paper)}
#mobile-nav a.active{color:var(--brand)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:999px;border:1px solid transparent;
  padding:11px 20px;font-weight:700;font-size:.94rem;
  cursor:pointer;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-accent{background:var(--accent);color:#241800}
.btn-accent:hover{background:var(--accent-dark)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-block{width:100%}
.btn-sm{padding:8px 14px;font-size:.85rem}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--ice),#fff);padding:44px 0 36px;border-bottom:1px solid var(--line)}
.hero-inner{display:grid;gap:28px}
.hero h1{font-size:clamp(1.7rem,5vw,2.6rem);letter-spacing:-.01em}
.hero p.lead{color:var(--ink-soft);font-size:1.05rem;max-width:52ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.hero-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);contain:content}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:.82rem;font-weight:600;color:var(--ink-soft)}
@media(min-width:860px){.hero-inner{grid-template-columns:1.1fr .9fr;align-items:center}}

/* ---------- Section scaffolding ---------- */
.section{padding:44px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px;margin-bottom:22px}
.section-head h2{font-size:1.5rem}
.section-head p{color:var(--ink-soft);margin:4px 0 0;max-width:60ch}
.section-alt{background:var(--paper)}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:800;color:var(--brand)}

/* ---------- Grids / cards ---------- */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:repeat(2,1fr)}
@media(min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(3,1fr)}}
@media(min-width:860px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  contain:layout style paint;
  display:flex;flex-direction:column;
}
.card-media{aspect-ratio:4/3;background:var(--paper);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-cat{font-size:.72rem;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.04em}
.card-title{font-size:1rem;font-weight:700;margin:0}
.card-price{font-weight:800;color:var(--ink);margin-top:auto;font-size:1.05rem}
.card-price .was{color:var(--ink-faint);font-weight:500;text-decoration:line-through;font-size:.85rem;margin-left:6px}
.card-foot{padding:0 16px 16px;display:flex;gap:8px}

.offscreen{content-visibility:auto;contain-intrinsic-size:1px 600px}

/* ---------- Product grid / filters ---------- */
.shop-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font-size:.85rem;font-weight:700;cursor:pointer;color:var(--ink-soft)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff}
.stock-tag{font-size:.7rem;font-weight:800;color:var(--good)}

/* ---------- Product detail ---------- */
.product-detail{display:grid;gap:28px}
.product-gallery{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);aspect-ratio:1/1;background:var(--paper)}
.product-gallery img{width:100%;height:100%;object-fit:cover}
.product-info h1{font-size:1.7rem}
.price-row{display:flex;align-items:baseline;gap:10px;margin:10px 0 6px}
.price-row .price{font-size:1.6rem;font-weight:800}
.rating-row{display:flex;align-items:center;gap:6px;color:var(--accent-dark);font-weight:700;margin-bottom:14px}
.qty-row{display:flex;align-items:center;gap:10px;margin:16px 0}
.qty-control{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.qty-control button{border:none;background:#fff;width:36px;height:36px;font-size:1.1rem;cursor:pointer}
.qty-control input{width:44px;border:none;text-align:center;font-weight:700}
.trust-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:20px}
.trust-strip .item{display:flex;gap:8px;align-items:flex-start;font-size:.82rem;color:var(--ink-soft)}
.specs-table{width:100%;border-collapse:collapse;margin-top:10px}
.specs-table td{padding:8px 0;border-bottom:1px solid var(--line);font-size:.9rem}
.specs-table td:first-child{color:var(--ink-faint);width:40%}
@media(min-width:860px){.product-detail{grid-template-columns:1fr 1fr}}

/* ---------- Cart / checkout ---------- */
.cart-row{display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.cart-row img{width:64px;height:64px;object-fit:cover;border-radius:8px}
.cart-row .name{font-weight:700;font-size:.95rem}
.cart-row .cat{font-size:.75rem;color:var(--ink-faint)}
.cart-summary{border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;background:var(--paper);position:sticky;top:80px}
.summary-line{display:flex;justify-content:space-between;font-size:.92rem;padding:6px 0}
.summary-line.total{font-weight:800;font-size:1.1rem;border-top:1px solid var(--line);margin-top:8px;padding-top:12px}
.empty-state{text-align:center;padding:60px 20px;color:var(--ink-soft)}
.empty-state .icon{font-size:2.4rem;margin-bottom:10px}

.checkout-grid{display:grid;gap:28px}
@media(min-width:860px){.checkout-grid{grid-template-columns:1.3fr 1fr}}
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:.85rem;font-weight:700;margin-bottom:6px;color:var(--ink-soft)}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:8px;font-size:.95rem;font-family:inherit;background:#fff;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:2px solid var(--brand);outline-offset:1px}
.form-row-2{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:560px){.form-row-2{grid-template-columns:1fr 1fr}}
.order-success{text-align:center;padding:50px 16px}
.order-success .icon{font-size:3rem;color:var(--good)}

/* ---------- Guides ---------- */
.guide-card .card-media{aspect-ratio:16/10}
.guide-body{max-width:72ch;margin:0 auto}
.guide-body h2{margin-top:1.4em;font-size:1.3rem}
.guide-body p{color:var(--ink-soft)}
.guide-meta{display:flex;gap:14px;color:var(--ink-faint);font-size:.85rem;margin-bottom:20px}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;background:#fff}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:16px 18px;font-weight:700;font-size:.98rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.faq-a{padding:0 18px;max-height:0;overflow:hidden;transition:max-height .2s ease, padding .2s ease;color:var(--ink-soft)}
.faq-item.open .faq-a{padding:0 18px 16px;max-height:400px}
.faq-item.open .faq-q .chev{transform:rotate(180deg)}
.chev{transition:transform .2s ease}

/* ---------- Reviews ---------- */
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;contain:layout style paint}
.review-stars{color:var(--accent-dark);font-weight:700;margin-bottom:6px}
.review-name{font-weight:700;font-size:.9rem;margin-top:10px}
.review-loc{font-size:.78rem;color:var(--ink-faint)}

/* ---------- Team ---------- */
.team-card{text-align:center}
.team-card .card-media{aspect-ratio:1/1}
.team-role{color:var(--brand);font-size:.82rem;font-weight:700}

/* ---------- Locations / Contact ---------- */
.map-wrap{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9}
.map-wrap iframe{width:100%;height:100%;border:0;display:block}
.info-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.info-list li{display:flex;gap:12px;align-items:flex-start}
.info-list .ico{flex:none;width:34px;height:34px;border-radius:8px;background:var(--ice);display:flex;align-items:center;justify-content:center}
.hours-table{width:100%;border-collapse:collapse}
.hours-table td{padding:6px 0;border-bottom:1px solid var(--line);font-size:.9rem}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs{font-size:.82rem;color:var(--ink-faint);margin:16px 0;display:flex;gap:6px;flex-wrap:wrap}
.breadcrumbs a{text-decoration:none;color:var(--ink-soft);font-weight:600}
.breadcrumbs a:hover{color:var(--brand)}

/* ---------- Legal pages ---------- */
.legal-body{max-width:74ch;margin:0 auto;color:var(--ink-soft)}
.legal-body h2{color:var(--ink);margin-top:1.6em}

/* ---------- Footer ---------- */
footer.footer{background:var(--brand-dark);color:#dfeef7;margin-top:20px}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:44px 16px 26px;display:grid;gap:28px;grid-template-columns:1fr}
.footer-col h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.footer-col a{text-decoration:none;color:#bcd8e8;font-size:.9rem}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding:16px;text-align:center;font-size:.78rem;color:#9fc2d4}
@media(min-width:640px){.footer-inner{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.footer-inner{grid-template-columns:repeat(4,1fr)}}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,10px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:999px;font-size:.88rem;font-weight:600;opacity:0;pointer-events:none;transition:opacity .2s ease, transform .2s ease;z-index:200;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- Utility ---------- */
.mt-0{margin-top:0}
.text-center{text-align:center}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skeleton{background:linear-gradient(90deg,var(--paper) 25%,#eef2f4 37%,var(--paper) 63%);background-size:400% 100%;animation:sk 1.4s ease infinite}
@keyframes sk{0%{background-position:100% 0}100%{background-position:0 0}}