/* ============================================================
   ARQA Jewellery — shared design system
   Mobile-first. Palette keyed to the brand logo (rose-gold on cream).
   ============================================================ */

:root{
  --bg:#FAF7F2;        /* warm gallery off-white */
  --surface:#FFFFFF;   /* cards / product tiles */
  --text:#221F1B;      /* soft near-black ink */
  --muted:#857B6F;     /* captions, secondary copy */
  --primary:#A9805C;   /* champagne / rose-gold bronze */
  --secondary:#0E5E50; /* deep emerald — gemstone accent only */
  --accent:#C9A27A;    /* lighter rose-gilt highlight */
  --border:#EDE5DA;    /* hairline dividers */
  --focus:#A9805C;
  --ink-deep:#1A1916;  /* editorial dark band */
  --ink-soft:#2A2823;

  --maxw:1280px;
  --gutter:clamp(20px,5vw,64px);

  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Jost",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}

::selection{background:var(--primary);color:#fff}

:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px}

/* ---------- Type ---------- */
.serif{font-family:var(--serif)}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.08;letter-spacing:.01em}
h1{font-size:clamp(2.6rem,8vw,5.4rem)}
h2{font-size:clamp(2rem,5.5vw,3.6rem)}
h3{font-size:clamp(1.45rem,3.5vw,2.1rem)}
p{text-wrap:pretty}

.eyebrow{
  font-family:var(--sans);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.42em;
  text-transform:uppercase;
  color:var(--primary);
  display:inline-block;
}
.eyebrow.muted{color:var(--muted)}

.lead{font-size:clamp(1.05rem,2.2vw,1.3rem);color:var(--ink-soft);font-weight:300;line-height:1.7}
.muted{color:var(--muted)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
section{position:relative}
.section{padding-block:clamp(56px,9vw,128px)}
.section-sm{padding-block:clamp(40px,6vw,80px)}

.center{text-align:center}
.stack-sm>*+*{margin-top:.9rem}
.stack>*+*{margin-top:1.4rem}

.hr{height:1px;background:var(--border);border:0;width:100%}

/* hairline rule with centered octagon */
.rule-oct{display:flex;align-items:center;justify-content:center;gap:18px;color:var(--primary)}
.rule-oct::before,.rule-oct::after{content:"";height:1px;width:min(80px,12vw);background:linear-gradient(90deg,transparent,var(--primary))}
.rule-oct::after{background:linear-gradient(90deg,var(--primary),transparent)}
.oct-mark{width:13px;height:13px;border:1px solid var(--primary);
  clip-path:polygon(30% 0,70% 0,100% 30%,100% 70%,70% 100%,30% 100%,0 70%,0 30%)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6em;
  font-family:var(--sans);font-size:.8rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;
  padding:1.05em 1.9em;min-height:48px;
  border:1px solid transparent;border-radius:1px;
  transition:all .4s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--ink-deep)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--text)}
.btn-ghost:hover{background:var(--text);color:var(--bg)}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost.on-dark:hover{background:#fff;color:var(--ink-deep);border-color:#fff}
.btn-link{
  font-family:var(--sans);font-size:.78rem;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;color:var(--primary);display:inline-flex;align-items:center;gap:.55em;
  padding-bottom:3px;border-bottom:1px solid transparent;transition:.35s var(--ease);
}
.btn-link:hover{border-color:var(--primary);gap:.85em}
.btn-link .arr{transition:transform .35s var(--ease)}
.btn-link:hover .arr{transform:translateX(4px)}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease);
  border-bottom:1px solid transparent;
}
.nav{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  max-width:var(--maxw);margin-inline:auto;
  padding:14px var(--gutter);
}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img{height:50px;width:auto;transition:height .4s var(--ease)}
.nav-links{display:none}
.nav-actions{display:flex;align-items:center;gap:.6rem}

.nav-links a{
  font-size:.78rem;font-weight:400;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text);position:relative;padding:.4em 0;transition:color .3s;
}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--primary);transition:width .35s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--primary)}

/* transparent over hero (home top) — faint top gradient keeps the gold logo + nav legible on any image */
.site-header.over-hero{background:linear-gradient(180deg,rgba(20,18,16,.46) 0%,rgba(20,18,16,.16) 60%,rgba(20,18,16,0) 100%)}
.site-header.over-hero .nav-links a,
.site-header.over-hero .menu-btn{color:#fff}
.site-header.over-hero .nav-links a::after{background:#fff}
.site-header.over-hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.site-header.over-hero .btn-ghost:hover{background:#fff;color:var(--ink-deep)}

/* solid (scrolled / inner pages) */
.site-header.solid{background:rgba(250,247,242,.92);backdrop-filter:blur(14px);border-color:var(--border)}
.site-header.solid .brand img{height:42px}
.site-header.solid .nav-links a,.site-header.solid .menu-btn{color:var(--text)}

.menu-btn{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;background:none;border:0;color:var(--text);
}
.menu-btn span{display:block;height:1.5px;width:24px;background:currentColor;transition:.35s var(--ease)}
body.menu-open .menu-btn span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
body.menu-open .menu-btn span:nth-child(2){opacity:0}
body.menu-open .menu-btn span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* hide desktop CTA on small */
.nav .btn{display:none}

/* mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:55;
  background:var(--bg);
  display:flex;flex-direction:column;justify-content:center;
  padding:var(--gutter);
  transform:translateY(-100%);
  transition:transform .55s var(--ease);
  visibility:hidden;
}
body.menu-open .drawer{transform:translateY(0);visibility:visible}
.drawer nav{display:flex;flex-direction:column;gap:.2rem}
.drawer nav a{
  font-family:var(--serif);font-size:clamp(2rem,9vw,3rem);color:var(--text);
  padding:.18em 0;border-bottom:1px solid var(--border);
  display:flex;align-items:baseline;justify-content:space-between;
}
.drawer nav a .idx{font-family:var(--sans);font-size:.7rem;letter-spacing:.2em;color:var(--primary)}
.drawer .drawer-cta{margin-top:2rem;display:flex;flex-direction:column;gap:.7rem}
.drawer .drawer-foot{margin-top:auto;padding-top:2rem;font-size:.8rem;letter-spacing:.04em;color:var(--muted)}
.drawer .drawer-foot a{color:var(--primary)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-scrim{position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(20,18,16,.52) 0%,rgba(20,18,16,.16) 20%,rgba(20,18,16,0) 40%,rgba(20,18,16,.5) 74%,rgba(20,18,16,.82) 100%),
    linear-gradient(95deg,rgba(20,18,16,.5) 0%,rgba(20,18,16,.12) 46%,rgba(20,18,16,0) 70%);}
.hero-inner{position:relative;z-index:2;width:100%;padding-top:104px;padding-bottom:clamp(72px,11vh,132px);color:#fff}
.hero .eyebrow{color:#fff;opacity:.92}
.hero h1{color:#fff;max-width:14ch;margin-top:1rem;text-shadow:0 2px 30px rgba(0,0,0,.25)}
.hero-sub{color:rgba(255,255,255,.92);max-width:42ch;margin-top:1.4rem;font-size:clamp(1rem,2.2vw,1.2rem);font-weight:300}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
/* hero ghost button — legible & frosted over imagery */
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.62);background:rgba(255,255,255,.08);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.hero .btn-ghost:hover{background:#fff;color:var(--ink-deep);border-color:#fff}
.hero-scrollcue{position:absolute;right:var(--gutter);bottom:clamp(80px,12vh,140px);z-index:2;color:#fff;
  writing-mode:vertical-rl;font-size:.66rem;letter-spacing:.34em;text-transform:uppercase;opacity:.85;display:none}

/* ============================================================
   INTRO / brand statement
   ============================================================ */
.statement{max-width:46ch}
.statement-media{margin-top:1.4rem;background:var(--surface);border:1px solid var(--border);overflow:hidden}
.statement-media img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform 1.1s var(--ease)}
.statement-media:hover img{transform:scale(1.04)}
@media(min-width:980px){.statement-media img{aspect-ratio:3/4}}
.statement .serif{font-size:clamp(1.7rem,4.2vw,2.8rem);line-height:1.28;font-weight:400}
.statement .serif em{font-style:italic;color:var(--primary)}

.two-col{display:grid;gap:clamp(32px,5vw,72px);grid-template-columns:1fr}

/* ============================================================
   COLLECTION SHOWCASE
   ============================================================ */
.showcase-grid{display:grid;gap:14px;grid-template-columns:1fr}
.col-card{
  position:relative;display:block;overflow:hidden;background:var(--surface);
  border:1px solid var(--border);
}
.col-card .ph{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--bg)}
.col-card img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.col-card:hover img{transform:scale(1.05)}
.col-card .ph::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,16,0) 45%,rgba(20,18,16,.6) 100%);opacity:.9;transition:opacity .4s}
.col-card .cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:20px;color:#fff}
.col-card .cap .k{font-family:var(--serif);font-size:1.55rem;line-height:1}
.col-card .cap .v{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;opacity:.85;margin-top:.4rem;
  display:inline-flex;align-items:center;gap:.5em}
.col-card .cap .v .arr{transition:transform .4s var(--ease)}
.col-card:hover .cap .v .arr{transform:translateX(5px)}

/* wide feature card spanning grid */
.col-card.feature .ph{aspect-ratio:4/5}

/* ============================================================
   DESIGNER STRIP
   ============================================================ */
.designer{background:var(--surface);border-block:1px solid var(--border)}
.designer-grid{display:grid;gap:clamp(28px,5vw,64px);grid-template-columns:1fr;align-items:center}
.designer-portrait{position:relative}
.designer-portrait img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center top}
.cred{display:flex;gap:1.6rem;flex-wrap:wrap;margin-top:1.6rem}
.cred .c{}
.cred .c .n{font-family:var(--serif);font-size:1.7rem;color:var(--primary);line-height:1}
.cred .c .l{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:.3rem}

/* ============================================================
   MATERIALS BAND
   ============================================================ */
.materials{background:var(--ink-deep);color:#fff}
.materials .eyebrow{color:var(--accent)}
.materials h2{color:#fff}
.materials .lead{color:rgba(255,255,255,.72)}
.mat-grid{display:grid;gap:1px;grid-template-columns:1fr 1fr;background:rgba(255,255,255,.12);margin-top:2.6rem;border:1px solid rgba(255,255,255,.12)}
.mat{background:var(--ink-deep);padding:clamp(20px,3vw,34px) clamp(16px,2.5vw,28px)}
.mat .mn{font-family:var(--serif);font-size:clamp(1.3rem,3vw,1.8rem)}
.mat .md{font-size:.85rem;color:rgba(255,255,255,.6);margin-top:.5rem;line-height:1.55}
.mat .swatch{width:24px;height:24px;margin-bottom:1rem;border-radius:50%;border:1px solid rgba(255,255,255,.2)}

/* ============================================================
   VISIT BAND
   ============================================================ */
.visit-band{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--border)}
.visit-grid{display:grid;grid-template-columns:1fr;gap:0}
.visit-media{position:relative;min-height:300px;background:var(--bg)}
.visit-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.visit-body{padding:clamp(32px,5vw,72px)}
.visit-meta{display:flex;flex-direction:column;gap:.9rem;margin-top:1.8rem}
.visit-meta .row{display:flex;gap:.8rem;align-items:baseline;font-size:.95rem}
.visit-meta .row .lbl{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);min-width:84px}
.visit-meta .row a:hover{color:var(--primary)}

/* ============================================================
   PRODUCT GRID (collection pages)
   ============================================================ */
.collection-hero{padding-top:clamp(120px,18vh,200px);padding-bottom:clamp(30px,5vw,56px)}
.product-grid{display:grid;gap:clamp(16px,2.5vw,30px);grid-template-columns:repeat(2,1fr)}
.product-tile{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);transition:border-color .4s,transform .5s var(--ease)}
.product-tile:hover{border-color:var(--primary)}
.product-tile .ph{aspect-ratio:1/1;overflow:hidden;background:#fff;position:relative}
.product-tile .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.product-tile:hover .ph img{transform:scale(1.06)}
.product-tile .body{padding:clamp(12px,2vw,20px);display:flex;flex-direction:column;gap:.5rem;flex:1}
.product-tile .nm{font-family:var(--serif);font-size:clamp(1.05rem,2vw,1.35rem);line-height:1.15}
.product-tile .sp{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.product-tile .enq{margin-top:auto;padding-top:.6rem;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);
  display:inline-flex;align-items:center;gap:.5em}
.product-tile .enq .arr{transition:transform .35s var(--ease)}
.product-tile:hover .enq .arr{transform:translateX(4px)}

/* collections hub list */
.hub-grid{display:grid;gap:14px;grid-template-columns:1fr}

/* ============================================================
   FORMS
   ============================================================ */
.form{display:grid;gap:1.1rem}
.field{display:flex;flex-direction:column;gap:.45rem}
.field label{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{
  font-family:var(--sans);font-size:1rem;font-weight:300;color:var(--text);
  background:var(--surface);border:1px solid var(--border);border-radius:1px;
  padding:.85em 1em;width:100%;transition:border-color .3s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary)}
.field textarea{resize:vertical;min-height:120px}
.field.two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-note{font-size:.78rem;color:var(--muted);line-height:1.55}
.form-success{display:none;padding:1.4rem 1.2rem;border:1px solid var(--primary);background:rgba(169,128,92,.06);
  font-size:.95rem;color:var(--ink-soft);align-items:center;gap:.8rem}
.form-success.show{display:flex}

/* map placeholder */
.map-ph{
  position:relative;aspect-ratio:16/10;border:1px solid var(--border);background:
    repeating-linear-gradient(45deg,var(--bg),var(--bg) 14px,#F3EEE6 14px,#F3EEE6 28px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.9rem;text-align:center;padding:24px;
}
.map-ph .tag{font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.map-ph .addr{font-family:var(--serif);font-size:clamp(1.2rem,2.6vw,1.6rem)}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.78);padding-block:clamp(48px,7vw,88px) 0}
.footer-top{display:grid;gap:clamp(32px,5vw,56px);grid-template-columns:1fr}
.footer-brand img{height:118px;width:auto;filter:none}
.footer-brand p{margin-top:1.2rem;font-size:.92rem;color:rgba(255,255,255,.6);max-width:34ch;line-height:1.7}
.footer-col h4{font-family:var(--sans);font-size:.7rem;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:1.1rem}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:.7rem}
.footer-col a{font-size:.92rem;color:rgba(255,255,255,.74);transition:color .3s}
.footer-col a:hover{color:#fff}
.socials{display:flex;gap:.8rem;margin-top:.4rem}
.socials a{width:42px;height:42px;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);transition:.35s var(--ease)}
.socials a:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.socials svg{width:18px;height:18px}
.footer-bottom{margin-top:clamp(40px,6vw,72px);border-top:1px solid rgba(255,255,255,.12);
  padding-block:1.8rem;display:flex;flex-direction:column;gap:.6rem;font-size:.78rem;color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:#fff}

/* ============================================================
   MOBILE STICKY ACTION BAR
   ============================================================ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  display:grid;grid-template-columns:1fr 1fr 1.4fr;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--border);
  padding:max(env(safe-area-inset-bottom),8px) 8px 8px;gap:8px;
}
.mobile-bar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:50px;font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text);font-weight:500;
  border-radius:1px;
}
.mobile-bar a svg{width:18px;height:18px}
.mobile-bar a.primary{background:var(--primary);color:#fff;letter-spacing:.1em}
body{padding-bottom:0}

/* reveal-on-scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   RESPONSIVE — tablet & up
   ============================================================ */
@media (min-width:600px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .mat-grid{grid-template-columns:repeat(2,1fr)}
}

@media (min-width:768px){
  .showcase-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .hub-grid{grid-template-columns:repeat(2,1fr)}
  .col-card.feature{grid-column:span 2}
  .col-card.feature .ph{aspect-ratio:16/9}
  .designer-grid{grid-template-columns:1fr 1fr}
  .visit-grid{grid-template-columns:1.05fr .95fr}
  .visit-media{min-height:auto}
  .mat-grid{grid-template-columns:repeat(4,1fr)}
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1.6fr 1fr 1fr 1fr}
  .hero-scrollcue{display:block}
}

@media (min-width:980px){
  .nav-links{display:flex;align-items:center;gap:2.2rem}
  .menu-btn{display:none}
  .nav .btn{display:inline-flex}
  .mobile-bar{display:none}
  .two-col{grid-template-columns:.85fr 1.15fr;align-items:start}
  .showcase-grid{grid-template-columns:repeat(3,1fr)}
  .hub-grid{grid-template-columns:repeat(3,1fr)}
  .col-card.feature{grid-column:span 3}
}

/* utility */
.hide-d{display:initial}
@media(min-width:980px){.hide-d{display:none}}
.maxw-prose{max-width:62ch}
.mt-0{margin-top:0}
.gap-cta{display:flex;flex-wrap:wrap;gap:.8rem}