/* ==========================================================================
   Tech Jewellery Solution — Design Tokens
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Jost:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  /* Color */
  --color-bg:        #0C1210;
  --color-bg-alt:     #121A17;
  --color-bg-card:    #16211D;
  --color-gold:       #B8944F;
  --color-gold-bright:#D4AF6A;
  --color-ivory:      #EDE7DA;
  --color-burgundy:   #4A1620;
  --color-muted:      #8A9490;
  --color-line:       rgba(184,148,79,0.25);

  /* Type */
  --font-display: 'Cormorant Garamond', serif;
  --font-body:    'Jost', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --fs-hero:   clamp(2.6rem, 5vw, 5rem);
  --fs-h1:     clamp(2rem, 3.2vw, 3rem);
  --fs-h2:     clamp(1.5rem, 2.2vw, 2rem);
  --fs-body:   1rem;
  --fs-small:  0.85rem;

  /* Layout */
  --container-w: 1180px;
  --facet-cut: 18px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 100px;
}

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

html{scroll-behavior:smooth;}

body{
  background:var(--color-bg);
  color:var(--color-ivory);
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; transition-duration:0.01ms !important;}
}

a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
ul{list-style:none;}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:0.01em;
  color:var(--color-ivory);
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--color-gold);
}

.container{
  max-width:var(--container-w);
  margin:0 auto;
  padding:0 var(--space-3);
}

/* ---- Facet-cut signature element ----
   Emerald/step-cut corner treatment used on cards, buttons, frames.
   Replaces border-radius across the whole site. */
.facet{
  clip-path: polygon(
    var(--facet-cut) 0%, 100% 0%,
    100% calc(100% - var(--facet-cut)), calc(100% - var(--facet-cut)) 100%,
    0% 100%, 0% var(--facet-cut)
  );
}
.facet-sm{
  clip-path: polygon(
    10px 0%, 100% 0%,
    100% calc(100% - 10px), calc(100% - 10px) 100%,
    0% 100%, 0% 10px
  );
}

/* Faceted section divider — thin gold lines meeting at a point, evokes a gem's crown facets */
.facet-divider{
  height:28px;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:center;
}
.facet-divider svg{width:120px; height:20px; opacity:0.8;}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:0.78rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  padding:14px 28px;
  border:1px solid var(--color-gold);
  background:transparent;
  color:var(--color-gold-bright);
  cursor:pointer;
  transition:background 0.25s ease, color 0.25s ease;
}
.btn.facet{ }
.btn-solid{
  background:var(--color-gold);
  color:#12160F;
  border:1px solid var(--color-gold);
}
.btn:hover{
  background:var(--color-gold);
  color:#12160F;
}
.btn-outline:hover{
  background:var(--color-gold);
}

/* ---- Header / Nav ---- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(12,18,16,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--color-line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px var(--space-3);
  max-width:var(--container-w);
  margin:0 auto;
}
.brand{
  font-family:var(--font-display);
  font-size:1.5rem;
  font-weight:600;
  color:var(--color-ivory);
  letter-spacing:0.02em;
}
.brand span{color:var(--color-gold);}
.nav-links{
  display:flex;
  gap:var(--space-4);
  font-size:0.85rem;
  letter-spacing:0.04em;
}
.nav-links a{
  position:relative;
  padding-bottom:4px;
  color:var(--color-ivory);
  transition:color 0.2s ease;
}
.nav-links a::after{
  content:'';
  position:absolute;
  left:0; bottom:0;
  width:0%;
  height:1px;
  background:var(--color-gold);
  transition:width 0.25s ease;
}
.nav-links a:hover{color:var(--color-gold-bright);}
.nav-links a:hover::after{width:100%;}

.nav-actions{display:flex; align-items:center; gap:var(--space-3);}
.search-toggle, .menu-toggle{
  background:none; border:none; color:var(--color-ivory); cursor:pointer; font-size:1.1rem;
}
.menu-toggle{display:none;}

.search-bar{
  display:none;
  border-top:1px solid var(--color-line);
  padding:var(--space-2) var(--space-3);
}
.search-bar.open{display:block;}
.search-bar form{
  max-width:var(--container-w);
  margin:0 auto;
  display:flex;
  gap:var(--space-2);
}
.search-bar input{
  flex:1;
  background:var(--color-bg-alt);
  border:1px solid var(--color-line);
  color:var(--color-ivory);
  padding:12px 16px;
  font-family:var(--font-body);
}
.search-bar input:focus{outline:2px solid var(--color-gold); outline-offset:2px;}

@media (max-width:900px){
  .nav-links{
    position:absolute;
    top:100%; left:0; right:0;
    background:var(--color-bg);
    flex-direction:column;
    padding:var(--space-3);
    gap:var(--space-2);
    border-bottom:1px solid var(--color-line);
    display:none;
  }
  .nav-links.open{display:flex;}
  .menu-toggle{display:block;}
}

/* ---- Hero ---- */
.hero{
  position:relative;
  padding:var(--space-6) 0 var(--space-5);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:var(--space-5);
  align-items:center;
}
.hero h1{
  font-size:var(--fs-hero);
  line-height:1.05;
  margin:var(--space-2) 0 var(--space-3);
}
.hero h1 em{
  font-style:italic;
  color:var(--color-gold-bright);
}
.hero p{
  color:var(--color-muted);
  max-width:46ch;
  margin-bottom:var(--space-4);
  font-size:1.05rem;
}
.hero-actions{display:flex; gap:var(--space-2); flex-wrap:wrap;}

.hero-visual{
  position:relative;
  aspect-ratio:4/5;
  background:
    radial-gradient(circle at 30% 20%, rgba(212,175,106,0.35), transparent 55%),
    linear-gradient(155deg, #1B2721 0%, #0C1210 65%);
  border:1px solid var(--color-line);
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-visual svg{width:55%; height:55%;}
.hero-visual .tag{
  position:absolute;
  bottom:var(--space-3); left:var(--space-3);
  font-family:var(--font-mono);
  font-size:0.7rem;
  color:var(--color-gold);
  letter-spacing:0.1em;
}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
}

/* ---- Section headers ---- */
.section{padding:var(--space-6) 0;}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  margin-bottom:var(--space-4);
  gap:var(--space-3);
  flex-wrap:wrap;
}
.section-head h2{font-size:var(--fs-h1);}
.section-head p{color:var(--color-muted); max-width:50ch;}

/* ---- Category grid ---- */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--space-3);
}
.cat-card{
  position:relative;
  aspect-ratio:3/4;
  background:linear-gradient(160deg,#1B2721,#0C1210);
  border:1px solid var(--color-line);
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:var(--space-3);
  transition:transform 0.3s ease, border-color 0.3s ease;
}
.cat-card:hover{transform:translateY(-6px); border-color:var(--color-gold);}
.cat-card .count{
  font-family:var(--font-mono);
  font-size:0.7rem;
  color:var(--color-gold);
  letter-spacing:0.08em;
  margin-bottom:6px;
}
.cat-card h3{font-size:1.3rem;}

@media (max-width:900px){ .cat-grid{grid-template-columns:repeat(2,1fr);} }

/* ---- Product grid / card ---- */
.product-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--space-3);
}
.product-card{
  background:var(--color-bg-card);
  border:1px solid var(--color-line);
  overflow:hidden;
  transition:border-color 0.3s ease, transform 0.3s ease;
}
.product-card:hover{border-color:var(--color-gold); transform:translateY(-4px);}
.product-thumb{
  aspect-ratio:1/1;
  background:linear-gradient(150deg,#1B2721,#0C1210);
  display:flex; align-items:center; justify-content:center;
  border-bottom:1px solid var(--color-line);
}
.product-thumb svg{width:40%; opacity:0.85;}
.product-info{padding:var(--space-2) var(--space-2) var(--space-3);}
.product-info .sku{
  font-family:var(--font-mono);
  font-size:0.68rem;
  color:var(--color-muted);
  letter-spacing:0.05em;
}
.product-info h3{font-size:1.15rem; margin:4px 0 8px;}
.product-info .price{
  font-family:var(--font-mono);
  color:var(--color-gold-bright);
  font-size:1rem;
}

@media (max-width:900px){ .product-grid{grid-template-columns:repeat(2,1fr);} }

/* ---- Product detail page ---- */
.product-detail{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--space-5);
}
.product-gallery-main{
  aspect-ratio:1/1;
  background:linear-gradient(150deg,#1B2721,#0C1210);
  border:1px solid var(--color-line);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:var(--space-2);
}
.product-gallery-main svg{width:45%;}
.product-thumbs{display:flex; gap:var(--space-1);}
.product-thumbs .thumb{
  width:70px; height:70px;
  background:var(--color-bg-card);
  border:1px solid var(--color-line);
  cursor:pointer;
}
.product-thumbs .thumb.active{border-color:var(--color-gold);}

.product-body .eyebrow{margin-bottom:8px; display:block;}
.product-body h1{font-size:var(--fs-h1); margin-bottom:var(--space-2);}
.product-body .price{
  font-family:var(--font-mono);
  font-size:1.6rem;
  color:var(--color-gold-bright);
  margin-bottom:var(--space-3);
}
.spec-table{width:100%; border-collapse:collapse; margin:var(--space-3) 0;}
.spec-table tr{border-bottom:1px solid var(--color-line);}
.spec-table td{padding:10px 0; font-size:0.92rem;}
.spec-table td:first-child{color:var(--color-muted); width:40%;}

.contact-actions{display:flex; gap:var(--space-2); margin-top:var(--space-3); flex-wrap:wrap;}

@media (max-width:900px){ .product-detail{grid-template-columns:1fr;} }

/* ---- About / Contact ---- */
.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--space-5);
  align-items:center;
}
.stat-row{display:flex; gap:var(--space-5); margin-top:var(--space-4);}
.stat-row .stat h3{font-size:2.2rem; color:var(--color-gold-bright);}
.stat-row .stat span{font-size:0.8rem; color:var(--color-muted); letter-spacing:0.05em;}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--space-5);
}
.contact-form input, .contact-form textarea{
  width:100%;
  background:var(--color-bg-alt);
  border:1px solid var(--color-line);
  color:var(--color-ivory);
  padding:14px 16px;
  font-family:var(--font-body);
  margin-bottom:var(--space-2);
}
.contact-form input:focus, .contact-form textarea:focus{outline:2px solid var(--color-gold); outline-offset:2px;}
.contact-form label{
  display:block;
  font-size:0.75rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--color-muted);
  margin-bottom:6px;
}
.contact-info-card{
  background:var(--color-bg-card);
  border:1px solid var(--color-line);
  padding:var(--space-4);
}
.contact-info-card .row{
  display:flex; gap:12px; margin-bottom:var(--space-3);
  padding-bottom:var(--space-3);
  border-bottom:1px solid var(--color-line);
}
.contact-info-card .row:last-child{border-bottom:none; margin-bottom:0; padding-bottom:0;}
.contact-info-card .row .label{
  font-family:var(--font-mono); font-size:0.7rem; color:var(--color-gold); letter-spacing:0.08em;
  display:block; margin-bottom:4px;
}

@media (max-width:900px){ .about-grid, .contact-grid{grid-template-columns:1fr;} }

/* ---- Footer ---- */
.site-footer{
  border-top:1px solid var(--color-line);
  background:var(--color-bg-alt);
  padding:var(--space-5) 0 var(--space-3);
  margin-top:var(--space-6);
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.3fr;
  gap:var(--space-4);
  margin-bottom:var(--space-4);
}
.footer-grid h4{
  font-family:var(--font-mono);
  font-size:0.75rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--color-gold);
  margin-bottom:var(--space-2);
}
.footer-grid p, .footer-grid a{color:var(--color-muted); font-size:0.9rem;}
.footer-grid li{margin-bottom:8px;}
.footer-grid a:hover{color:var(--color-gold-bright);}
.footer-bottom{
  border-top:1px solid var(--color-line);
  padding-top:var(--space-3);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px;
  font-size:0.78rem;
  color:var(--color-muted);
}
@media (max-width:900px){ .footer-grid{grid-template-columns:1fr 1fr;} }

/* ---- Floating contact buttons ---- */
.float-actions{
  position:fixed;
  right:24px; bottom:24px;
  display:flex; flex-direction:column; gap:12px;
  z-index:200;
}
.float-actions a{
  width:52px; height:52px;
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--color-line);
  background:var(--color-bg-card);
  transition:transform 0.25s ease, border-color 0.25s ease;
}
.float-actions a:hover{transform:scale(1.08); border-color:var(--color-gold);}
.float-actions svg{width:24px; height:24px;}

/* ---- Breadcrumb ---- */
.breadcrumb{
  font-size:0.8rem;
  color:var(--color-muted);
  padding:var(--space-3) 0 0;
}
.breadcrumb a:hover{color:var(--color-gold-bright);}

/* Focus visibility for a11y */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--color-gold);
  outline-offset:3px;
}