/* Trang Sức Kim Cương – giao diện chính (port từ mockup) */
:root{
  --navy:#0E1A2B; --navy-2:#16263D; --navy-3:#22344F;
  --gold:#C9A45C; --gold-l:#E9D29A; --gold-d:#9C7A3C;
  --ivory:#FAF7F2; --cream:#F3EDE3; --line:#E6DED0;
  --text:#2A2A2A; --muted:#6F6A62; --red:#B3261E;
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Be Vietnam Pro',system-ui,sans-serif;
  --r:4px; --shadow:0 18px 40px -20px rgba(14,26,43,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--text);background:var(--ivory);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.container{width:min(1240px,92%);margin-inline:auto}
.serif{font-family:var(--serif)}
.eyebrow{font-size:12px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold-d);font-weight:600}
.h2{font-family:var(--serif);font-weight:600;font-size:clamp(30px,3.6vw,46px);line-height:1.15;color:var(--navy)}
.section{padding:96px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 52px}
.section-head .h2{margin:12px 0 14px}
.section-head p{color:var(--muted)}
.divider{width:64px;height:1px;background:var(--gold);margin:18px auto 0;position:relative}
.divider:after{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;background:var(--gold);transform:translate(-50%,-50%) rotate(45deg)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;border-radius:var(--r);transition:.25s}
.btn-gold{background:linear-gradient(135deg,var(--gold-l),var(--gold) 50%,var(--gold-d));color:var(--navy)}
.btn-gold:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-line{border:1px solid currentColor}
.btn-line:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-line.light:hover{background:#fff;color:var(--navy);border-color:#fff}

/* top bar */
.topbar{background:var(--navy);color:#CFC6B6;font-size:12.5px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar b{color:var(--gold-l);font-weight:600}
.topbar .marquee{display:flex;gap:28px}
.topbar .marquee span:before{content:"◆";color:var(--gold);margin-right:8px;font-size:9px}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-main{display:flex;align-items:center;justify-content:space-between;height:86px;gap:24px}
.logo svg{height:52px;width:299px}
.search{flex:1;max-width:380px;position:relative}
.search input{width:100%;height:44px;border:1px solid var(--line);background:#fff;border-radius:40px;padding:0 48px 0 20px;font:inherit;font-size:14px;outline:none}
.search input:focus{border-color:var(--gold)}
.search button{position:absolute;right:6px;top:6px;width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center}
.actions{display:flex;align-items:center;gap:22px}
.actions a{display:flex;flex-direction:column;align-items:center;font-size:11px;color:var(--muted);gap:3px;position:relative}
.actions a:hover{color:var(--gold-d)}
.badge{position:absolute;top:-6px;right:-2px;background:var(--gold);color:var(--navy);font-size:10px;font-weight:700;width:18px;height:18px;border-radius:50%;display:grid;place-items:center}
.burger{display:none}
nav.menu{border-top:1px solid var(--line)}
nav.menu ul{list-style:none;display:flex;justify-content:center;gap:38px}
nav.menu li{position:relative}
nav.menu a{display:block;white-space:nowrap;padding:15px 0;font-size:13px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--navy)}
nav.menu a:after{content:"";position:absolute;left:0;right:0;bottom:10px;height:1px;background:var(--gold);transform:scaleX(0);transition:.3s}
nav.menu li:hover>a:after{transform:scaleX(1)}
nav.menu .hot{color:var(--red)}
.mega{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);background:#fff;box-shadow:var(--shadow);padding:28px 32px;display:grid;grid-template-columns:repeat(3,170px);gap:28px;opacity:0;pointer-events:none;transition:.25s;border-top:2px solid var(--gold)}
nav.menu li:hover .mega{opacity:1;pointer-events:auto;transform:translateX(-50%)}
.mega h5{font-family:var(--serif);font-size:18px;color:var(--navy);margin-bottom:8px}
.mega a{padding:5px 0;text-transform:none;letter-spacing:0;font-size:14px;color:var(--muted);font-weight:400}
.mega a:after{display:none}
.mega a:hover{color:var(--gold-d)}

/* hero slider */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--navy)}
.slides{display:grid}
.slide{grid-area:1/1;opacity:0;visibility:hidden;transition:opacity 1s ease,visibility 1s}
.slide.active{opacity:1;visibility:visible}
.slide.s1{background:radial-gradient(ellipse at 72% 42%,#22344F 0%,#0E1A2B 62%)}
.slide.s2{background:radial-gradient(ellipse at 72% 45%,#6E5030 0%,#2A1D12 66%)}
.slide.s3{background:radial-gradient(ellipse at 72% 42%,#2C4C57 0%,#0E1D23 66%)}
.slide .container{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:40px;min-height:700px;padding:96px 0 170px}
.slide .copy>*{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.slide.active .copy>*{opacity:1;transform:none}
.slide.active .copy>*:nth-child(2){transition-delay:.15s}
.slide.active .copy>*:nth-child(3){transition-delay:.3s}
.slide.active .copy>*:nth-child(4){transition-delay:.45s}
.slide .hero-art{transform:scale(.9);opacity:0;transition:transform 1.4s ease,opacity 1.2s ease}
.slide.active .hero-art{transform:none;opacity:1}
.hero .title{font-family:var(--serif);font-weight:500;font-size:clamp(42px,5.2vw,74px);line-height:1.08;margin:20px 0 24px}
.hero .title em{color:var(--gold-l);font-style:italic}
.hero p.lead{color:#C8CFDA;max-width:500px;font-size:16px;margin-bottom:38px}
.slide.s2 p.lead{color:#E3D3BD}
.slide.s3 p.lead{color:#BFD2D8}
.hero .cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-bar{position:absolute;left:0;right:0;bottom:0;z-index:3;pointer-events:none}
.hero-bar .container{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:28px 0 44px;border-top:1px solid rgba(255,255,255,.12)}
.hero-bar .container>*{pointer-events:auto}
.hero .stats{display:flex;gap:46px}
.hero .stats b{display:block;font-family:var(--serif);font-size:32px;color:var(--gold-l);font-weight:600;line-height:1}
.hero .stats span{font-size:12px;color:#9AA6B8;letter-spacing:.06em}
.controls{display:flex;align-items:center;gap:22px}
.dots{display:flex;gap:10px;align-items:center}
.dot{width:54px;height:24px;position:relative;cursor:pointer}
.dot:before,.dot i{content:"";position:absolute;left:0;right:0;top:11px;height:2px;background:rgba(255,255,255,.22)}
.dot i{background:var(--gold-l);transform-origin:left;transform:scaleX(0)}
.dot.active i{animation:prog 6s linear forwards}
.hero:hover .dot.active i{animation-play-state:paused}
@keyframes prog{to{transform:scaleX(1)}}
.counter{font-family:var(--serif);font-size:20px;color:#9AA6B8;min-width:62px}
.counter b{color:#fff;font-size:26px;font-weight:500}
.arrow{width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.3);display:grid;place-items:center;color:#fff;transition:.25s}
.arrow:hover{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.arrow.prev svg{transform:rotate(180deg)}
.hero-price{position:absolute;bottom:16%;right:4%;background:linear-gradient(135deg,var(--gold-l),var(--gold));color:var(--navy);padding:14px 20px;border-radius:6px;font-size:12px;line-height:1.35;box-shadow:0 14px 30px rgba(0,0,0,.35)}
.hero-price b{display:block;font-size:22px;font-family:var(--serif)}
.hero-art{position:relative;height:560px;display:grid;place-items:center}
.hero-art .halo{position:absolute;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(233,210,154,.22),transparent 65%)}
.hero-art .ring-orbit{position:absolute;width:440px;height:440px;border:1px solid rgba(201,164,92,.25);border-radius:50%}
.hero-art .ring-orbit.o2{width:520px;height:520px;border-style:dashed;border-color:rgba(201,164,92,.12);animation:spin 80s linear infinite}
.hero-art svg.big{width:380px;filter:drop-shadow(0 30px 40px rgba(0,0,0,.5));animation:float 6s ease-in-out infinite}
.sparkle{position:absolute;width:14px;height:14px;background:var(--gold-l);clip-path:polygon(50% 0,60% 40%,100% 50%,60% 60%,50% 100%,40% 60%,0 50%,40% 40%);animation:twinkle 2.4s ease-in-out infinite}
.tag-float{position:absolute;background:rgba(255,255,255,.08);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.14);padding:12px 16px;border-radius:6px;font-size:12px;line-height:1.4}
.tag-float b{display:block;color:var(--gold-l);font-size:14px}
@keyframes float{50%{transform:translateY(-14px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes twinkle{0%,100%{opacity:.2;transform:scale(.6)}50%{opacity:1;transform:scale(1)}}

/* trust */
.trust{background:#fff;border-bottom:1px solid var(--line)}
.trust .container{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{display:flex;gap:16px;align-items:center;padding:30px 24px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}
.trust-item .ic{width:48px;height:48px;flex:none;border:1px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--gold-d)}
.trust-item h4{font-size:14px;color:var(--navy);font-weight:600}
.trust-item p{font-size:12.5px;color:var(--muted);line-height:1.45}

/* categories */
.cats{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.cat{text-align:center;cursor:pointer}
.cat .thumb{aspect-ratio:1;border-radius:50%;background:linear-gradient(160deg,#fff,var(--cream));border:1px solid var(--line);display:grid;place-items:center;transition:.35s;position:relative;overflow:hidden}
.cat .thumb svg{width:58%;transition:.4s}
.cat:hover .thumb{border-color:var(--gold);box-shadow:var(--shadow)}
.cat:hover .thumb svg{transform:scale(1.08) rotate(-4deg)}
.cat h4{font-family:var(--serif);font-size:21px;color:var(--navy);margin-top:16px;font-weight:600}
.cat span{font-size:12.5px;color:var(--muted)}

/* banner split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.promo{position:relative;min-height:400px;border-radius:var(--r);overflow:hidden;padding:52px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff}
.promo.a{background:linear-gradient(135deg,#2B1F14,#5A4126 60%,#8A6A3A)}
.promo.b{background:linear-gradient(135deg,#0E1A2B,#22344F 60%,#3B5578)}
.promo .art{position:absolute;right:-30px;top:-10px;width:min(330px,55%);opacity:.95}
.promo>*:not(.art){position:relative;z-index:1}
@media (max-width:1180px){.promo .art{opacity:.35}}
.promo h3{font-family:var(--serif);font-size:40px;font-weight:500;line-height:1.1;margin:10px 0 12px;max-width:340px}
.promo p{color:rgba(255,255,255,.75);max-width:340px;margin-bottom:24px;font-size:14px}
.promo .eyebrow{color:var(--gold-l)}
.promo .btn{align-self:flex-start}

/* products */
.tabs{display:flex;justify-content:center;gap:8px;margin-bottom:40px;flex-wrap:wrap}
.tab{padding:10px 22px;border:1px solid var(--line);border-radius:40px;font-size:13px;font-weight:500;color:var(--muted);transition:.2s;background:#fff}
.tab.active,.tab:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.grid-products{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.3s;position:relative}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.card .img{aspect-ratio:1;background:radial-gradient(circle at 50% 45%,#fff 0%,#F1EBDF 75%);display:grid;place-items:center;position:relative}
.card .img svg{width:62%;transition:.5s}
.card:hover .img svg{transform:scale(1.06)}
.card .label{position:absolute;top:14px;left:14px;font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:5px 10px;border-radius:2px}
.label.new{background:var(--navy);color:#fff}
.label.sale{background:var(--red);color:#fff}
.label.gia{background:#fff;color:var(--navy);border:1px solid var(--line)}
.card .wish{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--muted);box-shadow:0 2px 8px rgba(0,0,0,.08)}
.card .wish.on{color:var(--red)}
.card .quick{position:absolute;left:14px;right:14px;bottom:14px;opacity:0;transform:translateY(8px);transition:.3s}
.card:hover .quick{opacity:1;transform:none}
.card .quick button{width:100%;padding:12px;background:var(--navy);color:#fff;font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;border-radius:2px}
.card .quick button:hover{background:var(--gold);color:var(--navy)}
.card .body{padding:18px 18px 22px}
.card .sku{font-size:11px;color:var(--muted);letter-spacing:.08em}
.card h4{font-family:var(--serif);font-size:20px;font-weight:600;color:var(--navy);margin:4px 0 8px;line-height:1.25;min-height:50px}
.card .spec{font-size:12px;color:var(--muted);margin-bottom:10px}
.price{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.price b{font-size:17px;color:var(--gold-d);font-weight:700}
.price s{font-size:13px;color:#A9A39A}
.installment{font-size:11.5px;color:var(--muted);margin-top:6px}
.installment b{color:var(--navy)}
.center{text-align:center;margin-top:48px}

/* price table */
.pricing{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.pricing .h2{color:#fff}
.pricing .section-head p{color:#A7B2C3}
.pricing-wrap{display:grid;grid-template-columns:340px 1fr;gap:40px;align-items:start}
.size-picker{background:var(--navy-2);border:1px solid var(--navy-3);border-radius:var(--r);padding:30px}
.size-picker h4{font-family:var(--serif);font-size:24px;font-weight:500;margin-bottom:6px}
.size-picker p{font-size:13px;color:#A7B2C3;margin-bottom:22px}
.size-visual{height:170px;display:grid;place-items:center;margin-bottom:16px}
.size-visual svg{transition:.4s}
.size-range{width:100%;accent-color:var(--gold)}
.size-meta{display:flex;justify-content:space-between;margin-top:14px;font-size:13px;color:#A7B2C3}
.size-meta b{color:var(--gold-l);font-size:20px;font-family:var(--serif);display:block}
.table-box{background:#fff;color:var(--text);border-radius:var(--r);overflow:hidden}
.table-box .head{display:flex;justify-content:space-between;align-items:center;padding:20px 26px;border-bottom:1px solid var(--line);gap:12px;flex-wrap:wrap}
.table-box .head h4{font-family:var(--serif);font-size:24px;color:var(--navy)}
.table-box .head small{color:var(--muted);font-size:12px}
.seg{display:flex;background:var(--cream);border-radius:40px;padding:4px}
.seg button{padding:7px 16px;border-radius:40px;font-size:12.5px;font-weight:600;color:var(--muted)}
.seg button.active{background:var(--navy);color:#fff}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:14px 26px;text-align:left;border-bottom:1px solid var(--line)}
th{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;background:#FCFAF6}
td b{color:var(--navy)}
td.p{color:var(--gold-d);font-weight:700;text-align:right}
th:last-child{text-align:right}
tr.hl td{background:#FBF4E6}
.table-box .foot{padding:16px 26px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.table-box .foot a{color:var(--gold-d);font-weight:600}

/* 4C */
.fourc{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.c-item{padding:36px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--r);position:relative;transition:.3s}
.c-item:hover{border-color:var(--gold)}
.c-item .num{font-family:var(--serif);font-size:64px;line-height:1;color:var(--cream);position:absolute;right:20px;top:14px;font-weight:700}
.c-item .ic{color:var(--gold-d);margin-bottom:18px}
.c-item h4{font-family:var(--serif);font-size:26px;color:var(--navy);font-weight:600}
.c-item h6{font-size:12px;color:var(--gold-d);letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px}
.c-item p{font-size:13.5px;color:var(--muted)}
.scale{display:flex;gap:3px;margin-top:16px}
.scale i{flex:1;height:6px;border-radius:2px;background:var(--cream)}
.scale i.on{background:var(--gold)}

/* story */
.story{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.story-art{position:relative;aspect-ratio:4/5;background:linear-gradient(160deg,var(--cream),#E7DCC8);border-radius:var(--r);display:grid;place-items:center;overflow:hidden}
.story-art svg{width:70%}
.story-art .cert{position:absolute;left:-1px;bottom:36px;background:var(--navy);color:#fff;padding:20px 26px;max-width:260px}
.story-art .cert b{font-family:var(--serif);font-size:28px;color:var(--gold-l);font-weight:600;display:block}
.story-art .cert span{font-size:12.5px;color:#B9C2D0}
.story ul{list-style:none;margin:28px 0 34px;display:grid;gap:16px}
.story li{display:flex;gap:14px}
.story li:before{content:"";flex:none;width:9px;height:9px;margin-top:8px;background:var(--gold);transform:rotate(45deg)}
.story li b{color:var(--navy)}
.story p{color:var(--muted)}

/* booking */
.booking{background:linear-gradient(120deg,var(--cream),#EFE5D3)}
.booking .container{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.showrooms{display:grid;gap:16px;margin-top:28px}
.showroom{background:#fff;padding:20px 22px;border-radius:var(--r);border-left:3px solid var(--gold);display:flex;justify-content:space-between;gap:16px;align-items:center}
.showroom h5{font-family:var(--serif);font-size:20px;color:var(--navy)}
.showroom p{font-size:13px;color:var(--muted)}
.showroom a{font-size:12px;color:var(--gold-d);font-weight:600;white-space:nowrap}
form.book{background:#fff;padding:40px;border-radius:var(--r);box-shadow:var(--shadow)}
form.book h3{font-family:var(--serif);font-size:30px;color:var(--navy);font-weight:600}
form.book > p{color:var(--muted);font-size:13.5px;margin-bottom:24px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--navy);margin-bottom:6px;letter-spacing:.04em}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:var(--ivory);padding:12px 14px;font:inherit;font-size:14px;border-radius:var(--r);outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);background:#fff}
.field.full{grid-column:1/-1}
form.book .btn{width:100%;justify-content:center;margin-top:8px}
.form-note{font-size:12px;color:var(--muted);text-align:center;margin-top:14px}
.ok{display:none;background:#EEF6EE;color:#2E6B35;padding:14px;border-radius:var(--r);font-size:14px;margin-top:14px;text-align:center}

/* reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{background:#fff;border:1px solid var(--line);padding:32px;border-radius:var(--r)}
.stars{color:var(--gold);letter-spacing:3px;font-size:14px}
.review blockquote{font-family:var(--serif);font-size:20px;line-height:1.45;color:var(--navy);margin:14px 0 22px;font-style:italic}
.who{display:flex;gap:12px;align-items:center}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--gold-l),var(--gold-d));display:grid;place-items:center;color:var(--navy);font-weight:700}
.who b{display:block;font-size:14px;color:var(--navy)}
.who span{font-size:12px;color:var(--muted)}

/* news */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post .pimg{aspect-ratio:16/10;border-radius:var(--r);display:grid;place-items:center;overflow:hidden;margin-bottom:18px}
.post .pimg svg{width:40%}
.post:nth-child(1) .pimg{background:linear-gradient(135deg,#E8DCC6,#D6C3A0)}
.post:nth-child(2) .pimg{background:linear-gradient(135deg,#1B2B44,#34507A)}
.post:nth-child(3) .pimg{background:linear-gradient(135deg,#EFE8DD,#CDBFA8)}
.post small{font-size:11.5px;color:var(--gold-d);letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.post h4{font-family:var(--serif);font-size:23px;color:var(--navy);line-height:1.25;margin:6px 0 8px}
.post p{font-size:13.5px;color:var(--muted)}

/* newsletter + footer */
.newsletter{background:var(--navy-2);color:#fff}
.newsletter .container{display:flex;justify-content:space-between;align-items:center;padding:44px 0;gap:30px;flex-wrap:wrap}
.newsletter h3{font-family:var(--serif);font-size:30px;font-weight:500}
.newsletter p{color:#A7B2C3;font-size:13.5px}
.newsletter form{display:flex;gap:10px;flex:1;max-width:480px}
.newsletter input{flex:1;height:50px;padding:0 18px;border:1px solid var(--navy-3);background:var(--navy);color:#fff;font:inherit;border-radius:var(--r);outline:none}
footer{background:var(--navy);color:#A7B2C3;font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:50px;padding:70px 0 50px}
footer h5{color:#fff;font-family:var(--serif);font-size:20px;font-weight:500;margin-bottom:18px}
footer ul{list-style:none;display:grid;gap:10px}
footer a:hover{color:var(--gold-l)}
.foot-logo{background:var(--ivory);display:inline-block;padding:10px 14px;border-radius:var(--r);margin-bottom:18px}
.foot-logo svg{height:40px;width:230px}
.pay{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.pay span{background:#fff;color:var(--navy);font-size:11px;font-weight:700;padding:6px 10px;border-radius:3px}
.bct{display:inline-flex;align-items:center;gap:8px;border:1px solid #2F86E0;color:#fff;padding:7px 12px;border-radius:4px;margin-top:16px;font-size:12px}
.bct i{width:22px;height:22px;border-radius:50%;background:#2F86E0;display:grid;place-items:center;font-style:normal;font-weight:700;font-size:12px}
.copy{border-top:1px solid var(--navy-3);padding:22px 0;font-size:12.5px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* floating contacts */
.float-contact{position:fixed;right:20px;bottom:24px;display:grid;gap:12px;z-index:60}
.float-contact a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.25);font-weight:700;font-size:13px;position:relative}
.fc-zalo{background:#0068FF}
.fc-mess{background:linear-gradient(135deg,#00B2FF,#A033FF)}
.fc-phone{background:var(--red)}
.fc-phone:before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--red);animation:pulse 1.6s infinite}
@keyframes pulse{to{transform:scale(1.6);opacity:0}}

/* toast & drawer */
.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,120px);background:var(--navy);color:#fff;padding:14px 22px;border-radius:40px;font-size:14px;z-index:80;transition:.35s;display:flex;gap:10px;align-items:center;box-shadow:var(--shadow)}
.toast.show{transform:translate(-50%,0)}
.toast b{color:var(--gold-l)}

/* responsive */
@media (max-width:1080px){
  .grid-products{gap:16px}
  .cats{grid-template-columns:repeat(3,1fr)}
  .fourc{grid-template-columns:repeat(2,1fr)}
  .pricing-wrap{grid-template-columns:1fr}
  .search{display:none}
  nav.menu ul{gap:22px}
  nav.menu a{font-size:12px;letter-spacing:.08em}
  .topbar .marquee span:nth-child(3){display:none}
}
@media (max-width:860px){
  .topbar .marquee span:nth-child(n+2){display:none}
  .slide .container{grid-template-columns:1fr;min-height:0;padding:56px 0 150px;gap:10px}
  .hero .stats{display:none}
  .hero-bar .container{padding:20px 0 30px}
  .story,.booking .container,.split{grid-template-columns:1fr}
  .hero-art{height:420px}
  .hero-art svg.big{width:280px}
  .hero-art .halo,.hero-art .ring-orbit{width:340px;height:340px}
  .hero-art .ring-orbit.o2{width:400px;height:400px}
  .trust .container{grid-template-columns:1fr 1fr}
  .trust-item:nth-child(2){border-right:0}
  .trust-item{border-bottom:1px solid var(--line)}
  .reviews,.news{grid-template-columns:1fr}
  .grid-products{grid-template-columns:repeat(2,1fr);gap:14px}
  .foot-grid{grid-template-columns:1fr 1fr}
  nav.menu{display:none}
  nav.menu.open{display:block}
  nav.menu.open ul{flex-direction:column;gap:0;padding:8px 4%}
  nav.menu.open .mega{display:none}
  .burger{display:grid;place-items:center}
  .actions a span.t{display:none}
  .section{padding:68px 0}
  .promo .art{width:220px}
}
@media (max-width:520px){
  .logo svg{height:36px;width:207px}
  .cats{grid-template-columns:repeat(2,1fr)}
  .fourc,.foot-grid,.row{grid-template-columns:1fr}
  .hero .stats{gap:24px}
  .trust .container{grid-template-columns:1fr}
  .trust-item{border-right:0}
  th,td{padding:12px 14px}
  form.book{padding:26px}
  .card h4{font-size:17px;min-height:44px}
  .promo{padding:32px}
  .float-contact a{width:44px;height:44px;font-size:11px}
  .float-contact{right:12px;bottom:16px;gap:10px}
}

/* ===== PRODUCT DETAIL ===== */
.breadcrumb{padding:24px 0 26px;font-size:13px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--gold-d)}
.breadcrumb i{font-style:normal;color:var(--gold)}
.breadcrumb b{color:var(--navy);font-weight:500}
.pd{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start;padding-bottom:90px}
.gallery{position:sticky;top:150px;display:grid;grid-template-columns:88px 1fr;gap:16px}
.thumbs{display:grid;gap:12px;align-content:start}
.thumbs button{aspect-ratio:1;background:radial-gradient(circle,#fff,#F1EBDF);border:1px solid var(--line);border-radius:var(--r);display:grid;place-items:center;padding:12px;transition:.2s}
.thumbs button:hover{border-color:var(--gold)}
.thumbs button.active{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold)}
.thumbs svg{width:100%;height:100%}
.thumbs .t-cert{font-family:var(--serif);font-size:13px;font-weight:700;color:var(--navy);line-height:1.1;text-align:center}
.main-img{aspect-ratio:1;background:radial-gradient(circle at 50% 45%,#fff 0%,#EFE7D9 82%);border-radius:var(--r);position:relative;overflow:hidden;cursor:zoom-in}
.main-img .view{position:absolute;inset:0;display:grid;place-items:center;opacity:0;visibility:hidden;transition:opacity .45s}
.main-img .view.active{opacity:1;visibility:visible}
.main-img .view>svg{width:72%;transition:transform .25s ease-out}
.main-img.zoom .view.active>svg{transform:scale(1.7)}
.main-img .badges{position:absolute;top:18px;left:18px;display:flex;gap:8px;z-index:2}
.main-img .badges span{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border-radius:2px;background:#fff;color:var(--navy);border:1px solid var(--line)}
.main-img .badges span.dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.main-img .hint{position:absolute;bottom:16px;right:16px;font-size:12px;color:var(--muted);background:rgba(255,255,255,.9);padding:6px 14px;border-radius:30px;z-index:2}
.main-img .v360{position:absolute;bottom:16px;left:16px;z-index:2;font-size:12px;font-weight:600;color:var(--navy);background:#fff;border:1px solid var(--line);padding:6px 14px;border-radius:30px}
.cert-mock{width:76%;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:26px 28px;font-size:12px;color:var(--text)}
.cert-mock h5{font-family:var(--serif);font-size:20px;color:var(--navy);border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center}
.cert-mock h5 small{font-family:var(--sans);font-size:10px;letter-spacing:.14em;color:var(--gold-d)}
.cert-mock dl{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px}
.cert-mock dt{color:var(--muted)}
.cert-mock dd{font-weight:600;color:var(--navy);text-align:right}
.cert-mock .qr{margin-top:14px;display:flex;justify-content:space-between;align-items:end;font-size:10.5px;color:var(--muted)}
.cert-mock .qr i{width:46px;height:46px;background:repeating-conic-gradient(var(--navy) 0 25%,#fff 0 50%) 0 0/8px 8px;border:3px solid var(--navy)}

.pd-info .tag{display:inline-flex;gap:8px;align-items:center;font-size:12px;color:var(--gold-d);font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.pd-info h1{font-family:var(--serif);font-weight:600;font-size:clamp(32px,3.4vw,44px);line-height:1.12;color:var(--navy);margin:10px 0 12px}
.pd-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted);align-items:center}
.pd-meta .stars{font-size:13px}
.pd-meta a{text-decoration:underline;text-underline-offset:3px}
.price-box{margin:24px 0 8px;padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r);position:relative}
.price-box .big{font-size:32px;font-weight:700;color:var(--gold-d);line-height:1.1;font-variant-numeric:tabular-nums}
.price-box .vat{font-size:12px;color:var(--muted);margin-top:4px}
.price-box .inst{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.price-box .inst b{color:var(--navy)}
.price-box .inst a{color:var(--gold-d);font-weight:600}
.opt{margin-top:24px}
.opt-label{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:10px;letter-spacing:.02em}
.opt-label span{font-weight:400;color:var(--muted)}
.opt-label a{font-weight:500;color:var(--gold-d);font-size:12.5px;text-decoration:underline;text-underline-offset:3px}
.swatches{display:flex;gap:14px}
.swatches button{width:38px;height:38px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 1px var(--line);transition:.2s}
.swatches button.active{box-shadow:0 0 0 2px var(--gold)}
.sw-white{background:linear-gradient(135deg,#fff,#C9CED4)}
.sw-yellow{background:linear-gradient(135deg,#F4E2B0,#C29A4E)}
.sw-rose{background:linear-gradient(135deg,#F7D3C4,#C48068)}
.sw-plat{background:linear-gradient(135deg,#F2F4F7,#9EA7B3)}
.chips{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.chips.grade{grid-template-columns:repeat(4,1fr)}
.chips button{padding:10px 6px;border:1px solid var(--line);border-radius:var(--r);background:#fff;font-size:13px;font-weight:600;color:var(--navy);line-height:1.3;transition:.2s}
.chips button small{display:block;font-size:11px;font-weight:400;color:var(--muted)}
.chips button:hover{border-color:var(--gold)}
.chips button.active{background:var(--navy);border-color:var(--navy);color:#fff}
.chips button.active small{color:#B9C2D0}
.two{display:grid;grid-template-columns:1fr 1.4fr;gap:14px}
.pd-info select,.pd-info input[type=text]{width:100%;height:46px;border:1px solid var(--line);background:#fff;padding:0 14px;font:inherit;font-size:14px;border-radius:var(--r);outline:none}
.pd-info select:focus,.pd-info input:focus{border-color:var(--gold)}
.engrave-prev{font-family:var(--serif);font-style:italic;color:var(--gold-d);font-size:15px;margin-top:6px;min-height:22px}
.buy{display:grid;grid-template-columns:1fr 1fr 54px;gap:10px;margin-top:28px}
.buy .btn{justify-content:center;padding:16px 10px}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-3)}
.btn-icon{border:1px solid var(--line);border-radius:var(--r);display:grid;place-items:center;color:var(--navy);background:#fff}
.btn-icon.on{color:var(--red)}
.btn-icon.on svg{fill:currentColor}
.book-link{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:12px;padding:14px;border:1px dashed var(--gold);border-radius:var(--r);font-size:13.5px;color:var(--navy);font-weight:500;background:#FBF6EC}
.book-link:hover{background:#F6EDDA}
.stock{margin-top:18px;font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center}
.stock:before{content:"";width:8px;height:8px;border-radius:50%;background:#3C9A4B;box-shadow:0 0 0 4px rgba(60,154,75,.15)}
.stock b{color:var(--navy)}
.perks{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}
.perks div{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--muted);line-height:1.4}
.perks svg{flex:none;color:var(--gold-d)}
.perks b{display:block;color:var(--navy);font-size:13.5px}
.call{margin-top:22px;background:var(--navy);color:#C8CFDA;border-radius:var(--r);padding:18px 22px;display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:13px}
.call b{color:var(--gold-l);font-size:20px;font-family:var(--serif);display:block}
.call a{background:#0068FF;color:#fff;font-weight:600;padding:10px 16px;border-radius:30px;font-size:13px;white-space:nowrap}

/* tabs */
.pd-tabs{border-top:1px solid var(--line);background:#fff}
.tabnav{display:flex;justify-content:center;gap:44px;border-bottom:1px solid var(--line);overflow-x:auto}
.tabnav button{padding:22px 0;font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.tabnav button.active{color:var(--navy);border-color:var(--gold)}
.pane{display:none;padding:56px 0 80px}
.pane.active{display:block}
.desc{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center}
.desc h3{font-family:var(--serif);font-size:34px;color:var(--navy);font-weight:600;line-height:1.2;margin-bottom:16px}
.desc p{color:var(--muted);margin-bottom:14px}
.desc .art{aspect-ratio:4/3;background:linear-gradient(160deg,var(--cream),#E7DCC8);border-radius:var(--r);display:grid;place-items:center}
.desc .art svg{width:55%}
.specs{width:100%;max-width:860px;margin:0 auto;border:1px solid var(--line)}
.specs td{padding:14px 22px;font-size:14px}
.specs td:first-child{width:40%;color:var(--muted);background:#FCFAF6}
.specs td:last-child{color:var(--navy);font-weight:500}
.specs tr.grp td{background:var(--navy);color:var(--gold-l);font-family:var(--serif);font-size:18px;font-weight:600}
.cert-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;max-width:1000px;margin:0 auto}
.cert-wrap .cert-mock{width:100%}
.cert-wrap h3{font-family:var(--serif);font-size:32px;color:var(--navy);margin-bottom:12px}
.cert-wrap ol{padding-left:20px;color:var(--muted);display:grid;gap:10px;margin:16px 0 26px}
.cert-wrap ol b{color:var(--navy)}
.policy{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.policy div{padding:30px;border:1px solid var(--line);border-radius:var(--r);background:var(--ivory)}
.policy h4{font-family:var(--serif);font-size:24px;color:var(--navy);margin:14px 0 10px}
.policy p,.policy li{font-size:13.5px;color:var(--muted)}
.policy ul{padding-left:18px;display:grid;gap:6px}

/* reviews */
.rv{display:grid;grid-template-columns:320px 1fr;gap:56px}
.rv-sum{background:#fff;border:1px solid var(--line);padding:32px;border-radius:var(--r);align-self:start;position:sticky;top:150px}
.rv-sum .score{font-family:var(--serif);font-size:64px;line-height:1;color:var(--navy);font-weight:600}
.rv-sum .score small{font-size:22px;color:var(--muted)}
.bars{display:grid;gap:8px;margin:20px 0 24px}
.bars div{display:grid;grid-template-columns:28px 1fr 36px;gap:10px;align-items:center;font-size:12.5px;color:var(--muted)}
.bars i{height:6px;background:var(--cream);border-radius:4px;overflow:hidden;position:relative}
.bars i:after{content:"";position:absolute;inset:0;width:var(--w);background:var(--gold)}
.rv-sum .btn{width:100%;justify-content:center}
.rv-list{display:grid;gap:18px}
.rv-item{background:#fff;border:1px solid var(--line);padding:26px 28px;border-radius:var(--r)}
.rv-item .top{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.rv-item .verified{font-size:12px;color:#3C9A4B;font-weight:600}
.rv-item .variant{font-size:12px;color:var(--muted);margin:10px 0 8px}
.rv-item p{color:var(--text)}
.rv-item .pics{display:flex;gap:10px;margin-top:14px}
.rv-item .pics span{width:72px;height:72px;border-radius:var(--r);background:radial-gradient(circle,#fff,#EADFCB);display:grid;place-items:center}
.rv-item .pics svg{width:70%}
.rv-item .reply{margin-top:14px;padding:14px 16px;background:var(--ivory);border-left:3px solid var(--gold);font-size:13px;color:var(--muted)}
.rv-item .reply b{color:var(--navy)}

/* combo */
.combo{display:grid;grid-template-columns:1fr auto 1fr auto 320px;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px}
.combo .it{display:flex;gap:18px;align-items:center}
.combo .it .ph{width:110px;height:110px;flex:none;background:radial-gradient(circle,#fff,#EFE7D9);border-radius:var(--r);display:grid;place-items:center}
.combo .it .ph svg{width:72%}
.combo .it h5{font-family:var(--serif);font-size:20px;color:var(--navy);line-height:1.2}
.combo .it p{font-size:12.5px;color:var(--muted)}
.combo .it b{color:var(--gold-d)}
.combo .plus{font-size:30px;color:var(--gold);font-family:var(--serif)}
.combo .total{background:var(--ivory);padding:22px;border-radius:var(--r)}
.combo .total s{color:#A9A39A;font-size:13px}
.combo .total b{display:block;font-size:24px;color:var(--gold-d);margin:2px 0 4px}
.combo .total small{display:block;font-size:12px;color:#3C9A4B;font-weight:600;margin-bottom:14px}
.combo .total .btn{width:100%;justify-content:center}
.combo label{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--muted);margin-top:8px;cursor:pointer}
.combo input{accent-color:var(--gold-d)}

/* mobile buy bar */
.mbar{display:none}
@media (max-width:1080px){
  .pd{gap:36px}
  .combo{grid-template-columns:1fr;text-align:left}
  .combo .plus{display:none}
}
@media (max-width:860px){
  .pd,.desc,.cert-wrap,.rv{grid-template-columns:1fr}
  .gallery{position:static;grid-template-columns:1fr}
  .thumbs{grid-template-columns:repeat(4,1fr);order:2}
  .rv-sum{position:static}
  .policy{grid-template-columns:1fr}
  .tabnav{justify-content:flex-start;gap:28px;padding:0 4%}
  .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);padding:10px 4%;gap:10px;align-items:center;box-shadow:0 -8px 24px rgba(0,0,0,.08)}
  .mbar div{flex:1;font-size:11px;color:var(--muted)}
  .mbar b{display:block;font-size:17px;color:var(--gold-d)}
  .mbar .btn{padding:13px 18px}
  .float-contact{bottom:84px}
  footer{padding-bottom:70px}
}
@media (max-width:520px){
  .chips{grid-template-columns:repeat(3,1fr)}
  .chips.grade{grid-template-columns:repeat(2,1fr)}
  .buy{grid-template-columns:1fr 54px}
  .buy .btn-dark{grid-column:1/-1;order:3}
  .perks{grid-template-columns:1fr}
  .two{grid-template-columns:1fr}
  .call{flex-direction:column;align-items:flex-start}
}


/* ===== CATEGORY ===== */
.cat-hero .breadcrumb a:hover{color:var(--gold-l)}
.cat-hero{background:radial-gradient(ellipse at 80% 50%,#22344F 0%,#0E1A2B 65%);color:#fff;position:relative;overflow:hidden}
.cat-hero .container{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:40px;padding:34px 0 56px}
.cat-hero .breadcrumb{color:#9AA6B8;padding:0 0 26px}
.cat-hero .breadcrumb b{color:#fff}
.cat-hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(36px,4.4vw,58px);line-height:1.1;margin:12px 0 14px}
.cat-hero h1 em{color:var(--gold-l)}
.cat-hero p{color:#B9C2D0;max-width:560px}
.cat-hero .art{position:relative;height:250px;display:grid;place-items:center}
.cat-hero .art svg{width:230px;filter:drop-shadow(0 24px 30px rgba(0,0,0,.45));animation:float 6s ease-in-out infinite}
.cat-hero .art:before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(233,210,154,.2),transparent 65%)}
.pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.pills button{padding:9px 18px;border-radius:40px;border:1px solid rgba(255,255,255,.22);font-size:13px;color:#DCE2EA;transition:.2s}
.pills button:hover{border-color:var(--gold-l);color:#fff}
.pills button.active{background:var(--gold);border-color:var(--gold);color:var(--navy);font-weight:600}
.pills span{opacity:.6;margin-left:4px;font-size:11.5px}

.shop{display:grid;grid-template-columns:270px 1fr;gap:44px;padding:44px 0 96px;align-items:start}
.filters{position:sticky;top:150px;max-height:calc(100vh - 170px);overflow:auto;padding-right:6px}
.filters::-webkit-scrollbar{width:4px}
.filters::-webkit-scrollbar-thumb{background:var(--line)}
.f-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--navy)}
.f-head h3{font-family:var(--serif);font-size:24px;color:var(--navy)}
.f-head button{font-size:12.5px;color:var(--gold-d);text-decoration:underline;text-underline-offset:3px}
.fg{border-bottom:1px solid var(--line)}
.fg summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;padding:18px 0;font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--navy)}
.fg summary::-webkit-details-marker{display:none}
.fg summary:after{content:"+";font-size:18px;font-weight:400;line-height:1;color:var(--gold-d)}
.fg[open] summary:after{content:"–"}
.fg .body{padding-bottom:20px;display:grid;gap:10px}
.ck{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);cursor:pointer}
.ck input{appearance:none;width:18px;height:18px;border:1px solid #CFC6B6;border-radius:3px;display:grid;place-items:center;flex:none;background:#fff;cursor:pointer}
.ck input[type=radio]{border-radius:50%}
.ck input:checked{background:var(--navy);border-color:var(--navy)}
.ck input:checked:after{content:"";width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px)}
.ck input[type=radio]:checked:after{width:6px;height:6px;border:0;border-radius:50%;background:#fff;transform:none}
.ck em{font-style:normal;margin-left:auto;font-size:12px;color:var(--muted)}
.metal-ck{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.metal-ck label{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 6px;border:1px solid var(--line);border-radius:var(--r);font-size:12px;cursor:pointer;background:#fff;text-align:center;transition:.2s}
.metal-ck input{display:none}
.metal-ck label i{width:26px;height:26px;border-radius:50%;box-shadow:0 0 0 1px var(--line)}
.metal-ck label:has(input:checked){border-color:var(--navy);box-shadow:0 0 0 1px var(--navy)}
.size-ck{display:flex;flex-wrap:wrap;gap:8px}
.size-ck label{cursor:pointer}
.size-ck input{display:none}
.size-ck span{display:block;padding:8px 12px;border:1px solid var(--line);border-radius:var(--r);font-size:13px;background:#fff;transition:.2s}
.size-ck input:checked+span{background:var(--navy);color:#fff;border-color:var(--navy)}
.switch{display:flex;justify-content:space-between;align-items:center;font-size:14px;cursor:pointer}
.switch input{appearance:none;width:40px;height:22px;border-radius:20px;background:#D9D2C5;position:relative;transition:.2s;cursor:pointer}
.switch input:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.2s}
.switch input:checked{background:var(--gold)}
.switch input:checked:after{left:21px}
.f-help{margin-top:24px;background:var(--navy);color:#B9C2D0;padding:22px;border-radius:var(--r);font-size:13px}
.f-help b{display:block;font-family:var(--serif);font-size:20px;color:#fff;font-weight:500;margin-bottom:6px}
.f-help a{display:inline-block;margin-top:12px;color:var(--gold-l);font-weight:600}

.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.toolbar .count{font-size:14px;color:var(--muted)}
.toolbar .count b{color:var(--navy)}
.toolbar .right{display:flex;gap:12px;align-items:center}
.toolbar select{height:42px;border:1px solid var(--line);background:#fff;padding:0 36px 0 14px;font:inherit;font-size:13.5px;border-radius:var(--r);outline:none;cursor:pointer}
.view-t{display:flex;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.view-t button{width:40px;height:40px;display:grid;place-items:center;color:var(--muted);background:#fff}
.view-t button.active{background:var(--navy);color:#fff}
.btn-filter{display:none;align-items:center;gap:8px;height:42px;padding:0 16px;border:1px solid var(--navy);border-radius:var(--r);font-size:13px;font-weight:600;color:var(--navy)}
.btn-filter em{font-style:normal;background:var(--gold);color:var(--navy);border-radius:10px;padding:0 7px;font-size:11px}
.active-chips{display:flex;gap:8px;flex-wrap:wrap;padding:16px 0 0;min-height:16px}
.active-chips button{display:flex;gap:8px;align-items:center;padding:6px 12px;border-radius:30px;background:var(--cream);font-size:12.5px;color:var(--navy)}
.active-chips button:after{content:"×";font-size:15px;line-height:1;color:var(--gold-d)}
.active-chips .clear{background:none;text-decoration:underline;text-underline-offset:3px;color:var(--muted)}
.active-chips .clear:after{display:none}
.list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.list.cols4{grid-template-columns:repeat(4,1fr);gap:18px}
.list.cols4 .card h4{font-size:18px}
.card .metals{display:flex;gap:6px;margin:-2px 0 10px}
.card .metals i{width:14px;height:14px;border-radius:50%;box-shadow:0 0 0 1px var(--line)}
.card .rate{font-size:12px;color:var(--muted);margin-top:8px}
.card .rate span{color:var(--gold)}
.promo-tile{grid-column:span 1;background:linear-gradient(160deg,#0E1A2B,#2B4466);color:#fff;border-radius:var(--r);padding:34px 28px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;min-height:100%}
.promo-tile svg{position:absolute;top:-10px;right:-30px;width:220px;opacity:.85}
.promo-tile h4{font-family:var(--serif);font-size:30px;font-weight:500;line-height:1.15;margin:8px 0 10px;position:relative}
.promo-tile p{font-size:13px;color:#B9C2D0;margin-bottom:20px;position:relative}
.promo-tile .eyebrow{color:var(--gold-l);position:relative}
.promo-tile .btn{align-self:flex-start;position:relative}
.empty{grid-column:1/-1;text-align:center;padding:70px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r)}
.empty h4{font-family:var(--serif);font-size:26px;color:var(--navy);margin:14px 0 6px}
.empty p{color:var(--muted);margin-bottom:20px}
.more{text-align:center;margin-top:44px}
.more p{font-size:13px;color:var(--muted);margin-bottom:12px}
.progress{width:220px;height:2px;background:var(--line);margin:0 auto 22px;position:relative}
.progress i{position:absolute;left:0;top:0;bottom:0;background:var(--gold)}

.seo{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:80px 0;border-top:1px solid var(--line)}
.seo h2{font-family:var(--serif);font-size:32px;color:var(--navy);font-weight:600;line-height:1.2;margin:10px 0 16px}
.seo p{color:var(--muted);margin-bottom:12px;font-size:14.5px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:18px 30px 18px 0;font-weight:600;color:var(--navy);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:0;top:14px;font-size:22px;color:var(--gold-d);font-weight:400}
.faq details[open] summary:after{content:"–"}
.faq details p{padding-bottom:18px;margin:0}

.overlay{display:none}
@media (max-width:1080px){
  .shop{grid-template-columns:230px 1fr;gap:30px}
  .list,.list.cols4{grid-template-columns:repeat(2,1fr)}
  .view-t{display:none}
}
@media (max-width:860px){
  .cat-hero .container{grid-template-columns:1fr;padding:24px 0 40px}
  .cat-hero .art{display:none}
  .shop{grid-template-columns:1fr;padding-top:24px}
  .btn-filter{display:inline-flex}
  .filters{position:fixed;top:0;left:0;bottom:0;width:min(340px,88vw);max-height:none;background:var(--ivory);z-index:90;padding:22px;transform:translateX(-100%);transition:transform .3s}
  .filters.open{transform:none}
  .overlay{display:block;position:fixed;inset:0;background:rgba(14,26,43,.5);z-index:85;opacity:0;pointer-events:none;transition:.3s}
  .overlay.open{opacity:1;pointer-events:auto}
  .f-apply{display:block!important}
  .seo{grid-template-columns:1fr;gap:30px}
  .list{gap:14px}
  .toolbar .count{width:100%;order:-1}
}
@media (max-width:520px){
  .card .installment{display:none}
  .card .body{padding:14px 12px 16px}
  .promo-tile{grid-column:1/-1;min-height:260px}
}
.sw-white{background:linear-gradient(135deg,#fff,#C9CED4)}
.sw-yellow{background:linear-gradient(135deg,#F4E2B0,#C29A4E)}
.sw-rose{background:linear-gradient(135deg,#F7D3C4,#C48068)}
.sw-plat{background:linear-gradient(135deg,#F2F4F7,#9EA7B3)}