/* Layout: classic jeweler's catalogue — wide quiet margins, one dark-green band per chapter, gold used only for metal itself */
:root{
  --bg:#F6F7F4; --surface:#FFFFFF; --ink:#18221C; --muted:#5B665F; --line:#DCE1DC;
  --green:#1F3D2F; --green-ink:#F3F5F1; --gold:#9C7A2E; --gold-soft:#E9DDBE; --focus:#1F6FD1;
  --display:"Frank Ruhl Libre", "David Libre", Georgia, serif;
  --body:"Assistant", "Heebo", "Segoe UI", Arial, sans-serif;
  --latin:"Cormorant Garamond", "Frank Ruhl Libre", Georgia, serif;
  --fs:1rem;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0F1612; --surface:#17211B; --ink:#ECEFEA; --muted:#A3AEA6; --line:#2A3830;
  --green:#1B3A2B; --green-ink:#F3F5F1; --gold:#D4B46A; --gold-soft:#3A3322; --focus:#7DB3FF; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0F1612; --surface:#17211B; --ink:#ECEFEA; --muted:#A3AEA6; --line:#2A3830;
  --green:#1B3A2B; --green-ink:#F3F5F1; --gold:#D4B46A; --gold-soft:#3A3322; --focus:#7DB3FF; color-scheme:dark}
html.hc{--bg:#FFFFFF; --surface:#FFFFFF; --ink:#000000; --muted:#000000; --line:#000000; --green:#000000; --green-ink:#FFFFFF; --gold:#5A3F00; --gold-soft:#FFF3C4; --focus:#0000FF; color-scheme:light}
html.big{font-size:118%} html.bigger{font-size:135%}
html.ul a{text-decoration:underline!important}
html.still *{animation:none!important;transition:none!important}

*{box-sizing:border-box}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:1.05rem;line-height:1.65;margin:0}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:400;text-wrap:balance;margin:0;line-height:1.15}
h2{font-size:clamp(1.9rem,4vw,2.8rem)}
h3{font-size:1.35rem}
p{margin:0}
.eyebrow{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-weight:600}
.lede{color:var(--muted);max-width:60ch;font-size:1.1rem}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.skip{position:absolute;top:-60px;right:16px;background:var(--ink);color:var(--bg);padding:10px 16px;z-index:100;border-radius:6px}
.skip:focus{top:calc(10px + env(safe-area-inset-top,0px))}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
button{font:inherit;color:inherit;cursor:pointer}
.btn{display:inline-flex;align-items:center;gap:.5rem;border:1px solid var(--ink);background:var(--ink);color:var(--bg);padding:.8rem 1.4rem;border-radius:999px;font-weight:600;text-decoration:none;transition:transform .2s}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink)}
section{padding-block:clamp(56px,9vw,110px)}
.sec-head{display:grid;gap:.9rem;margin-bottom:2.6rem}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:70px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.brand svg{width:38px;height:38px;color:var(--green)}
:root[data-theme="dark"] .brand svg{color:var(--gold)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .brand svg{color:var(--gold)}}
.brand b{font-family:var(--latin);font-weight:500;font-size:1.55rem;letter-spacing:.22em;display:block;line-height:1}
.brand small{font-size:.68rem;letter-spacing:.18em;color:var(--muted);display:block;direction:ltr;text-align:right}
nav.main ul{display:flex;gap:1.6rem;list-style:none;margin:0;padding:0}
nav.main a{text-decoration:none;font-weight:600;font-size:.98rem;color:var(--muted)}
nav.main a:hover{color:var(--ink)}
.tools{display:flex;gap:.4rem;align-items:center}
.icon-btn{border:1px solid var(--line);background:var(--surface);border-radius:999px;height:42px;min-width:42px;padding:0 .7rem;display:inline-flex;align-items:center;justify-content:center;gap:.35rem}
.icon-btn svg{width:20px;height:20px}
.count{background:var(--gold);color:var(--bg);font-size:.72rem;border-radius:999px;padding:0 .45rem;font-weight:700}
.menu-btn{display:none}
@media (max-width:900px){
  nav.main{display:none;position:absolute;inset:100% 0 auto 0;background:var(--bg);border-bottom:1px solid var(--line)}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;gap:0;padding:.5rem max(16px,env(safe-area-inset-right,0px)) 1rem max(16px,env(safe-area-inset-left,0px))}
  nav.main a{display:block;padding:.75rem 0;border-bottom:1px solid var(--line);font-size:1.1rem}
  .menu-btn{display:inline-flex}
}

/* hero */
.hero{padding-block:clamp(40px,7vw,90px)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.hero h1{font-size:clamp(2.6rem,6.4vw,5rem);font-weight:300}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero .lede{margin-top:1.3rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.hero-stage{position:relative;aspect-ratio:1/1;max-width:100%;border-radius:50%;background:radial-gradient(circle at 50% 45%,var(--surface),var(--bg) 70%);display:grid;place-items:center}
.hero-stage svg{width:82%;height:auto}
.hero-swatches{display:flex;gap:.6rem;justify-content:center;margin-top:1rem}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border-block:1px solid var(--line);margin-top:3.5rem}
.facts div{background:var(--bg);padding:1.2rem 1rem}
.facts b{font-family:var(--display);font-size:1.5rem;font-weight:400;display:block}
.facts span{color:var(--muted);font-size:.92rem}
@media (max-width:820px){.hero-grid{grid-template-columns:1fr}.hero-stage{max-width:420px;margin-inline:auto;width:100%}.facts{grid-template-columns:1fr}}
.sparkle{transform-origin:center;animation:twinkle 3.2s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.15;transform:scale(.6)}50%{opacity:1;transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.sparkle{animation:none;opacity:.8}}

/* gold swatch */
.sw{display:inline-flex;align-items:center;gap:.5rem;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:.35rem .9rem .35rem .4rem;font-size:.92rem;font-weight:600}
.sw i{width:22px;height:22px;border-radius:50%;display:block;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
.sw[aria-pressed="true"]{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.dot-Y{background:linear-gradient(135deg,#F7E39B,#C99A35 60%,#8E6A1E)}
.dot-W{background:linear-gradient(135deg,#FBFBF9,#C9CCD1 60%,#8D9198)}
.dot-R{background:linear-gradient(135deg,#F6CDB4,#C27C5F 60%,#8C4F38)}

/* collection */
.filters{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;margin-bottom:2rem}
.chips,.golds{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{border:1px solid var(--line);background:transparent;border-radius:999px;padding:.45rem 1rem;font-weight:600;color:var(--muted)}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.card .pic{aspect-ratio:4/3;max-width:100%;display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,var(--surface),color-mix(in srgb,var(--bg) 80%,var(--line)))}
.card .pic svg{width:70%;height:auto;transition:transform .5s}
.card:hover .pic svg{transform:scale(1.04) rotate(-2deg)}
.card .body{padding:1.1rem 1.2rem 1.3rem;display:grid;gap:.6rem;flex:1}
.card .meta{display:flex;justify-content:space-between;gap:.5rem;font-size:.85rem;color:var(--muted)}
.sku{font-family:ui-monospace,Menlo,monospace;direction:ltr;letter-spacing:.04em}
.card .row{display:flex;justify-content:space-between;align-items:center;gap:.6rem;margin-top:auto;flex-wrap:wrap}
.mini{display:flex;gap:.35rem}
.mini button{width:28px;height:28px;border-radius:50%;border:2px solid transparent;padding:0;background-clip:padding-box}
.mini button[aria-pressed="true"]{border-color:var(--ink)}
.mini button i{display:block;width:100%;height:100%;border-radius:50%}
.add{border:1px solid var(--ink);background:transparent;border-radius:999px;padding:.4rem .9rem;font-weight:600;font-size:.92rem}
.add.on{background:var(--ink);color:var(--bg)}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;border:1px solid var(--line);border-radius:4px;padding:0 .4rem;direction:ltr}

/* gold band */
.band{background:var(--green);color:var(--green-ink)}
.band .eyebrow{color:#D8C08A}
.band .lede{color:#C7D2CB}
.gold3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.4rem}
@media (max-width:820px){.gold3{grid-template-columns:1fr}}
.alloy{border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:1.4rem;display:grid;gap:.8rem}
.alloy .bar-mix{display:flex;height:12px;border-radius:999px;overflow:hidden;direction:ltr}
.alloy dl{display:grid;grid-template-columns:auto 1fr;gap:.2rem 1rem;margin:0;font-size:.95rem;color:#C7D2CB}
.alloy dd{margin:0;text-align:left;direction:ltr;font-variant-numeric:tabular-nums}
.karat{margin-top:2.4rem;border-top:1px solid rgba(255,255,255,.16);padding-top:1.6rem;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.karat b{font-family:var(--display);font-size:1.7rem;font-weight:400;display:block}
.karat span{color:#C7D2CB;font-size:.92rem}
@media (max-width:700px){.karat{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* process */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1.2rem;counter-reset:s}
.steps li{counter-increment:s;border-top:2px solid var(--ink);padding-top:1rem;display:grid;gap:.4rem;align-content:start}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--latin);font-size:1.6rem;color:var(--gold)}
.steps p{color:var(--muted);font-size:.97rem}
@media (max-width:980px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.note{margin-top:2rem;background:var(--gold-soft);border-radius:12px;padding:1rem 1.2rem;font-size:.98rem}

/* diamonds */
.two{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
@media (max-width:760px){.two{grid-template-columns:1fr}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.5rem;display:grid;gap:.7rem;align-content:start}
.panel ul{margin:0;padding-inline-start:1.1rem;color:var(--muted)}

/* sizes */
.tabs{display:flex;gap:.4rem;border-bottom:1px solid var(--line);margin-bottom:2rem;overflow-x:auto}
.tab{border:0;background:none;padding:.8rem 1.1rem;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tab[aria-selected="true"]{color:var(--ink);border-color:var(--gold)}
.size-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:2rem;align-items:start}
@media (max-width:900px){.size-grid{grid-template-columns:1fr}}
.how{display:grid;gap:1rem}
.how ol{margin:0;padding-inline-start:1.3rem;display:grid;gap:.55rem}
.how ol li::marker{color:var(--gold);font-weight:700}
.tips{color:var(--muted);font-size:.95rem;display:grid;gap:.3rem}
.calc{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.4rem;display:grid;gap:1rem}
.calc label{font-weight:600;font-size:.95rem;display:block;margin-bottom:.3rem}
.field{display:flex;gap:.5rem;align-items:stretch;flex-wrap:wrap}
.field input,.field select,.form input,.form select,.form textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:.7rem .9rem;min-width:0}
.field input{flex:1;font-variant-numeric:tabular-nums;font-size:1.15rem;direction:ltr;text-align:right}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{border:0;background:transparent;padding:.6rem .9rem;font-weight:600;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.result{border-radius:12px;background:var(--gold-soft);padding:1rem 1.2rem;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.6rem;text-align:center}
.result b{font-family:var(--display);font-size:1.7rem;font-weight:400;display:block;font-variant-numeric:tabular-nums}
.result span{font-size:.8rem;color:var(--muted)}
@media (max-width:460px){.result{grid-template-columns:repeat(2,minmax(0,1fr))}}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;max-height:340px;overflow-y:auto}
table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:.95rem}
th,td{padding:.5rem .8rem;text-align:center;border-bottom:1px solid var(--line)}
thead th{position:sticky;top:0;background:var(--surface);font-weight:700;font-size:.82rem;color:var(--muted)}
tr.hit td{background:var(--gold-soft);font-weight:700}
.wrist-sizes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.6rem}
.wrist-sizes div{border:1px solid var(--line);border-radius:10px;padding:.7rem;text-align:center}
.wrist-sizes div.hit{border-color:var(--gold);background:var(--gold-soft)}
.wrist-sizes b{display:block;font-family:var(--display);font-size:1.3rem;font-weight:400}
.wrist-sizes span{font-size:.82rem;color:var(--muted)}
@media (max-width:460px){.wrist-sizes{grid-template-columns:repeat(2,minmax(0,1fr))}}
.diagram{width:100%;max-width:340px;height:auto;margin-inline:auto;display:block}

/* video */
.reels{display:grid;grid-template-columns:2fr 1fr 1fr;gap:1rem}
@media (max-width:820px){.reels{grid-template-columns:1fr 1fr}.reels .big{grid-column:1/-1}}
.reel{position:relative;border-radius:14px;overflow:hidden;background:#101813;aspect-ratio:9/12;max-width:100%;color:#F3F5F1;display:flex;align-items:flex-end}
.reels .big{aspect-ratio:auto;min-height:320px}
.reel canvas{position:absolute;inset:0;width:100%;height:100%}
.reel .cap{position:relative;padding:1rem;background:linear-gradient(transparent,rgba(0,0,0,.7));width:100%}
.reel .cap small{opacity:.75;display:block;font-size:.82rem}
.play{position:absolute;top:1rem;inset-inline-start:1rem;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.5);background:rgba(0,0,0,.3);color:#fff;display:grid;place-items:center}

/* about & contact */
.about{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
@media (max-width:820px){.about{grid-template-columns:1fr}}
.about p+p{margin-top:1rem}
.about .lede{max-width:none}
.form{display:grid;gap:1rem}
.form .r{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:560px){.form .r{grid-template-columns:1fr}}
.form label{font-weight:600;font-size:.92rem;display:grid;gap:.3rem}
.form textarea{min-height:120px;resize:vertical}
.ok{background:var(--gold-soft);border-radius:10px;padding:.9rem 1.1rem}
.contact-list{display:grid;gap:1rem;margin-top:1.5rem}
.contact-list div{display:grid;gap:.1rem}
.contact-list span{color:var(--muted);font-size:.88rem}
.copy{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:.15rem .7rem;font-size:.82rem;margin-inline-start:.4rem}

footer{border-top:1px solid var(--line);padding-block:2.5rem;color:var(--muted);font-size:.92rem}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.5rem}
.foot nav{display:flex;flex-wrap:wrap;gap:1.2rem}
.foot a{text-decoration:none}
.foot a:hover{color:var(--ink)}
.pay{display:flex;gap:.4rem;flex-wrap:wrap;align-items:center}
.pay span{border:1px solid var(--line);border-radius:4px;padding:.1rem .45rem;font-size:.75rem;direction:ltr}

/* phone */
@media (max-width:640px){
  body{font-size:1rem}
  section{padding-block:52px}
  .sec-head{margin-bottom:1.8rem}
  .bar{min-height:62px}
  .brand svg{width:32px;height:32px}
  .brand b{font-size:1.3rem;letter-spacing:.16em}
  .brand small{font-size:.58rem}
  .icon-btn{height:44px;min-width:44px}
  .hero{padding-block:28px 40px}
  .hero h1{font-size:2.4rem}
  .hero-cta .btn{flex:1 1 100%;justify-content:center}
  .hero-stage{max-width:300px}
  .facts{margin-top:2.2rem}
  .filters{flex-direction:column;align-items:stretch;gap:.8rem}
  .chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:calc(-1 * max(16px,env(safe-area-inset-right,0px)));padding-inline:max(16px,env(safe-area-inset-right,0px));padding-block:2px}
  .chips::-webkit-scrollbar{display:none}
  .chip{white-space:nowrap;padding:.6rem 1.1rem}
  .golds{display:grid;grid-template-columns:repeat(3,1fr)}
  .golds .sw{justify-content:center;padding:.5rem .4rem}
  .mini button{width:38px;height:38px}
  .add{padding:.6rem 1rem}
  .card .row{gap:.8rem}
  .tab{flex:1;padding:.8rem .5rem;font-size:.95rem}
  .seg{width:100%}
  .seg button{flex:1;padding:.75rem .5rem}
  .field input{width:100%;flex-basis:100%}
  .result b{font-size:1.45rem}
  .reels{grid-template-columns:1fr 1fr}
  .reels .big{min-height:240px}
  .form .btn{justify-self:stretch;justify-content:center}
  .foot{flex-direction:column}
  .a11y-fab{width:48px;height:48px}
}
input,select,textarea{font-size:max(16px,1em)}

/* drawers & a11y panel */
.drawer{position:fixed;top:0;bottom:0;inset-inline-start:0;width:min(420px,100%);background:var(--surface);border-inline-end:1px solid var(--line);z-index:80;transform:translateX(105%);visibility:hidden;transition:transform .3s,visibility 0s .3s;box-shadow:0 0 40px rgba(0,0,0,.25);display:flex;flex-direction:column;padding:calc(1.2rem + env(safe-area-inset-top,0px)) max(1.2rem,env(safe-area-inset-left,0px)) calc(1.2rem + env(safe-area-inset-bottom,0px)) 1.2rem;gap:1rem;overflow-y:auto}
.drawer.open{transform:none;visibility:visible;transition:transform .3s}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:70}
.d-head{display:flex;justify-content:space-between;align-items:center}
.list{display:grid;gap:.7rem}
.li{display:grid;grid-template-columns:56px 1fr auto;gap:.8rem;align-items:center;border-bottom:1px solid var(--line);padding-bottom:.7rem}
.li svg{width:56px;height:42px}
.li small{color:var(--muted);display:block}
.empty{color:var(--muted)}
.a11y-fab{position:fixed;bottom:calc(18px + env(safe-area-inset-bottom,0px));right:calc(18px + env(safe-area-inset-right,0px));z-index:65;width:52px;height:52px;border-radius:50%;background:var(--ink);color:var(--bg);border:0;display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.2)}
.a11y-fab svg{width:28px;height:28px}
.a11y{position:fixed;bottom:calc(80px + env(safe-area-inset-bottom,0px));right:calc(18px + env(safe-area-inset-right,0px));z-index:66;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1rem;width:min(300px,calc(100vw - 36px));display:grid;gap:.5rem;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.a11y button{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:.55rem .7rem;text-align:start;font-weight:600}
.a11y button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.a11y .pair{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.4rem}
.a11y .pair button{text-align:center}
.statement{max-width:75ch;display:grid;gap:.9rem;color:var(--muted)}
.statement h3{color:var(--ink)}