/* ==========================================================================
   ArchersCustomPops — Design Tokens
   ========================================================================== */
:root{
  /* Color */
  --bg:            #0c0c10;
  --bg-elevated:   #16161c;
  --surface:       #1d1d26;
  --surface-hover: #24242f;
  --border:        #2b2b37;
  --border-strong: #3a3a49;

  --text:          #f4f2ec;
  --text-muted:    #9d9aac;
  --text-faint:    #6b6879;

  --gold:          #e9b949;
  --gold-bright:   #ffd166;
  --pink:          #ff3d68;
  --pink-dim:      #ff3d6822;

  --success:       #4dd68c;

  /* Type */
  --font-display: 'Anton', sans-serif;
  --font-body:    'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'Space Mono', monospace;

  /* Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 140px;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --max-width: 1180px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* subtle grain/vignette so the black doesn't feel flat */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(233,185,73,0.07), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 10%, rgba(255,61,104,0.06), transparent 60%);
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; cursor: pointer; }
ul{ list-style:none; margin:0; padding:0; }

.wrap{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
  position: relative;
  z-index: 1;
}

/* Focus visibility (accessibility) */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 1.05;
  margin: 0;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.eyebrow::before{
  content:"";
  width: 18px; height: 1px;
  background: var(--gold);
  display:inline-block;
}

p{ margin: 0; }
.text-muted{ color: var(--text-muted); }
.mono{ font-family: var(--font-mono); }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12,12,16,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo{
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.logo .dot{ color: var(--pink); }

.nav-links{
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-links a{
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.15s ease;
  position: relative;
  padding: var(--space-2) 0;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{ color: var(--text); }
.nav-links a[aria-current="page"]::after{
  content:"";
  position: absolute;
  left:0; right:0; bottom:-4px;
  height: 2px;
  background: var(--gold);
}

.nav-cta{
  display:flex; align-items:center; gap: var(--space-3);
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: var(--gold);
  color: #17130a;
}
.btn-primary:hover{ background: var(--gold-bright); box-shadow: 0 8px 24px -8px rgba(233,185,73,0.5); }
.btn-ghost{
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--gold); color: var(--gold); }
.btn-block{ width: 100%; }

.menu-toggle{
  display:none;
  background:none; border:none; color:var(--text);
  padding: 8px;
}
.menu-toggle svg{ width:24px; height:24px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  padding: var(--space-9) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}
.hero .wrap{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: center;
}
.hero-title{
  font-size: clamp(42px, 6vw, 74px);
  margin-top: var(--space-4);
}
.hero-title .accent{ color: var(--gold); }
.hero-sub{
  margin-top: var(--space-5);
  max-width: 46ch;
  font-size: 17px;
  color: var(--text-muted);
}
.hero-actions{
  margin-top: var(--space-6);
  display:flex; gap: var(--space-4); flex-wrap: wrap;
}
.hero-stats{
  margin-top: var(--space-7);
  display:flex; gap: var(--space-7);
}
.hero-stats div strong{
  display:block;
  font-family: var(--font-display);
  font-size: 30px;
  color: var(--gold);
}
.hero-stats div span{
  font-size: 12px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Hero visual: stacked pop tiles */
.hero-visual{
  position: relative;
  aspect-ratio: 1/1;
}
.pop-tile{
  position: absolute;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: linear-gradient(155deg, var(--surface), var(--bg-elevated));
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
  display:flex; align-items:center; justify-content:center;
}
.pop-tile .glyph{ width: 46%; height: 46%; opacity: 0.9; }
.pop-tile img{ width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.pop-tile.t1{ width: 62%; height: 62%; top: 0; left: 8%; z-index:3; border-color: rgb(0, 0, 255); box-shadow: 0 20px 50px -15px rgba(60,0,255,0.35);}
.pop-tile.t2{ width: 48%; height: 48%; bottom: 4%; right: 0; z-index:2; border-color: var(--pink); box-shadow: 0 20px 50px -15px rgba(255,61,104,0.35); }
.pop-tile.t3{ width: 34%; height: 34%; top: 46%; left: -6%; z-index:1; opacity: 0.85; }
.seal{
  position:absolute; top: 6%; right: -4%; z-index: 4;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--gold-bright), var(--gold) 60%, #a67e1f 100%);
  display:flex; align-items:center; justify-content:center;
  text-align:center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #241a06;
  font-weight: 700;
  box-shadow: 0 15px 35px -8px rgba(233,185,73,0.6);
  transform: rotate(8deg);
}

/* ==========================================================================
   Section basics
   ========================================================================== */
section{ padding: var(--space-9) 0; }
.section-head{
  display:flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
  flex-wrap: wrap;
}
.section-head h2{ font-size: clamp(28px,4vw,42px); margin-top: var(--space-3); }
.section-head p{ max-width: 50ch; color: var(--text-muted); }

.divider{
  border: none;
  border-top: 1px solid var(--border);
}

/* ==========================================================================
   Gallery grid
   ========================================================================== */
.grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.pop-card{
  display: block;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.pop-card:hover{ border-color: var(--border-strong); transform: translateY(-4px); }
.pop-card-media{
  aspect-ratio: 1 / 1;
  background: linear-gradient(160deg, var(--surface), var(--bg-elevated));
  position: relative;
  display:flex; align-items:center; justify-content:center;
  border-bottom: 1px solid var(--border);
}
.pop-card-media .glyph{ width: 42%; height: 42%; }
.pop-card-media img{ width: 100%; height: 100%; object-fit: cover; }
.status-tag{
  position:absolute; top: var(--space-3); left: var(--space-3);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border-strong);
}
.status-tag.available{ color:  rgba(0,255,0,1); border-color: rgba(0,255,0,0.7); }
.status-tag.sold{ color: rgba(255,0,0,1); border-color: rgba(255,0,0,0.7); }
.edition-tag{
  position:absolute; bottom: var(--space-3); right: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
  background: rgba(0,0,0,0.85);
  border: 1px solid var(--border-strong);
  padding: 5px 10px;
  border-radius: 999px;
}
.pop-card-body{ padding: var(--space-5); }
.pop-card-body h3{
  font-family: var(--font-body);
  text-transform: none;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0;
}
.pop-card-body .franchise{
  font-size: 12px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}
.pop-card-body .serial-row{
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--border);
  display:flex; justify-content: space-between; align-items:center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.filter-row{
  display:flex; gap: var(--space-3); flex-wrap: wrap;
  margin-bottom: var(--space-7);
}
.filter-chip{
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all 0.15s ease;
}
.filter-chip:hover{ color: var(--text); border-color: var(--gold); }
.filter-chip.active{ background: var(--gold); color:#17130a; border-color: var(--gold); }

/* ==========================================================================
   Process steps
   ========================================================================== */
.steps{
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: var(--space-6);
}
.step{
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  position: relative;
}
.step .num{
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.1em;
}
.step h3{
  font-family: var(--font-body);
  text-transform: none;
  font-size: 19px;
  font-weight: 800;
  margin-top: var(--space-3);
}
.step p{ margin-top: var(--space-3); color: var(--text-muted); font-size: 14.5px; }
.step-connector{
  position:absolute; top: 50%; right: -32px;
  width: 32px; height: 1px;
  background: var(--border-strong);
  display: none;
}

/* ==========================================================================
   Authenticate page
   ========================================================================== */
.auth-panel{
  max-width: 620px;
  margin: 0 auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  text-align:center;
}
.auth-panel .eyebrow{ justify-content:center; }
.auth-panel h1{ margin-top: var(--space-4); font-size: clamp(30px,4vw,40px); }
.auth-panel > p{ margin-top: var(--space-4); color: var(--text-muted); }

.serial-form{
  margin-top: var(--space-7);
  display:flex;
  gap: var(--space-3);
}
.serial-input-wrap{
  flex:1;
  position:relative;
}
.serial-input-wrap svg{
  position:absolute; left:16px; top:50%; transform:translateY(-50%);
  width:18px; height:18px; color: var(--text-faint);
}
#serial-input{
  width:100%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 16px 16px 16px 46px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
#serial-input::placeholder{ color: var(--text-faint); text-transform: none; letter-spacing: normal; font-family: var(--font-body); }
#serial-input:focus{ border-color: var(--gold); }

.hint{
  margin-top: var(--space-4);
  font-size: 12.5px;
  color: var(--text-faint);
}
.hint code{
  font-family: var(--font-mono);
  background: var(--surface);
  padding: 2px 7px;
  border-radius: 4px;
  color: var(--text-muted);
}

#auth-result{ margin-top: var(--space-7); text-align:left; }

.cert{
  border: 1px solid var(--gold);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 400px 200px at 100% 0%, rgba(233,185,73,0.12), transparent 60%),
    var(--bg-elevated);
  padding: var(--space-7);
  position: relative;
  overflow:hidden;
}
.cert::before{
  content:"";
  position:absolute; inset:8px;
  border: 1px dashed rgba(233,185,73,0.35);
  border-radius: 14px;
  pointer-events:none;
}
.cert-head{
  display:flex; justify-content: space-between; align-items:flex-start;
  gap: var(--space-4);
}
.cert-eyebrow{
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--gold); text-transform: uppercase;
}
.cert-title{
  font-size: 26px; margin-top: var(--space-2);
}
.cert-seal{
  width: 74px; height: 74px; border-radius: 50%; flex-shrink:0;
  background: radial-gradient(circle at 35% 30%, var(--gold-bright), var(--gold) 60%, #a67e1f 100%);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono); font-size: 9px; font-weight:700; color:#241a06;
  text-align:center; line-height:1.2; transform: rotate(6deg);
  box-shadow: 0 10px 24px -6px rgba(233,185,73,0.55);
}
.cert-grid{
  margin-top: var(--space-6);
  display:grid; grid-template-columns: repeat(2,1fr);
  gap: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px dashed var(--border);
}
.cert-field .label{
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing:0.1em;
  color: var(--text-faint); text-transform: uppercase;
}
.cert-field .value{ margin-top: 4px; font-size: 15px; font-weight: 700; }
.cert-field .value.mono{ font-family: var(--font-mono); font-weight:400; letter-spacing:0.03em; }
.cert-note{
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: 14px;
  font-style: italic;
}
.cert-footer{
  margin-top: var(--space-6);
  display:flex; align-items:center; justify-content: space-between;
  font-size: 12px; color: var(--text-faint);
}
.verified-badge{
  display:inline-flex; align-items:center; gap:6px;
  color: var(--success); font-weight:700; letter-spacing:0.02em;
}
.verified-badge svg{ width:16px; height:16px; }

.result-error{
  border: 1px solid var(--pink);
  background: var(--pink-dim);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-align:center;
}
.result-error h3{ font-family: var(--font-body); text-transform:none; font-size:18px; color: var(--pink); }
.result-error p{ margin-top: var(--space-3); color: var(--text-muted); font-size:14px; }

.skeleton{
  height: 220px;
  border-radius: var(--radius-lg);
  background: linear-gradient(90deg, var(--surface) 0%, var(--surface-hover) 50%, var(--surface) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite;
}
@keyframes shimmer{
  0%{ background-position: 200% 0; }
  100%{ background-position: -200% 0; }
}

/* ==========================================================================
   About page
   ========================================================================== */
.about-hero{
  display:grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--space-8); align-items:center;
}
.about-photo{
  aspect-ratio: 1/1.1;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: linear-gradient(160deg, var(--surface), var(--bg-elevated));
  display:flex; align-items:center; justify-content:center;
}
.about-photo img{ 
  border-radius: var(--radius-lg);
  width: 100%;
  height: 100%;
  object-fit: cover;
    
}

.about-photo .glyph{ width:40%; height:40%; opacity:0.8; }

.value-list{
  display:grid; grid-template-columns: repeat(2,1fr); gap: var(--space-5);
  margin-top: var(--space-7);
}
.value-item{
  padding: var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
}
.value-item h3{ font-family: var(--font-body); text-transform:none; font-size:16px; font-weight:800; }
.value-item p{ margin-top: var(--space-2); font-size:14px; color: var(--text-muted); }

/* ==========================================================================
   Contact page
   ========================================================================== */
.contact-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-8);
}
.form-row{ margin-bottom: var(--space-5); }
.form-row label{
  display:block; margin-bottom: var(--space-2);
  font-size: 12.5px; font-weight:700; text-transform:uppercase; letter-spacing:0.05em;
  color: var(--text-muted);
}
.form-row input, .form-row textarea, .form-row select{
  width:100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 14.5px;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus{ border-color: var(--gold); }
.form-row textarea{ resize: vertical; min-height: 120px; }
.form-note{ margin-top: var(--space-3); font-size:12.5px; color: var(--text-faint); }

.contact-card{
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.contact-card h3{ font-family: var(--font-body); text-transform:none; font-size:16px; font-weight:800; }
.contact-links{ margin-top: var(--space-4); }
.contact-links li{ padding: var(--space-3) 0; border-top: 1px solid var(--border); display:flex; justify-content:space-between; font-size:14px; }
.contact-links li:first-child{ border-top:none; }
.contact-links a:hover{ color: var(--gold); }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band{
  border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--bg-elevated), var(--surface));
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display:flex; align-items:center; justify-content: space-between; gap: var(--space-6);
  flex-wrap: wrap;
}
.cta-band h2{ font-size: clamp(24px,3.4vw,34px); }
.cta-band p{ margin-top: var(--space-3); color: var(--text-muted); max-width:44ch; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{
  border-top: 1px solid var(--border);
  padding: var(--space-8) 0 var(--space-6);
  margin-top: var(--space-9);
}
.footer-grid{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-7);
}
.footer-grid h4{
  font-family: var(--font-body); text-transform:uppercase; font-size:12px;
  letter-spacing:0.08em; color: var(--text-faint); font-weight:800;
}
.footer-grid ul{ margin-top: var(--space-4); display:flex; flex-direction:column; gap: var(--space-3); }
.footer-grid a{ font-size:14px; color: var(--text-muted); }
.footer-grid a:hover{ color: var(--gold); }
.footer-bottom{
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  display:flex; justify-content: space-between; color: var(--text-faint); font-size:12.5px;
  flex-wrap: wrap; gap: var(--space-3);
}

/* ==========================================================================
   Pop detail page
   ========================================================================== */
.detail-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: flex-start;
}
.detail-main-photo{
  aspect-ratio: 1/1;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--surface), var(--bg-elevated));
  overflow: hidden;
  display:flex; align-items:center; justify-content:center;
  position: relative;
}
.detail-main-photo img{ width:100%; height:100%; object-fit: cover; }
.detail-main-photo .glyph{ width:40%; height:40%; }
.detail-main-photo .status-tag{ position:absolute; top: var(--space-4); left: var(--space-4); }
.detail-main-photo .edition-tag{ position:absolute; bottom: var(--space-4); right: var(--space-4); }

.detail-thumbs{
  display:flex; gap: var(--space-3);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}
.detail-thumb{
  width: 72px; height: 72px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  overflow: hidden;
  cursor: pointer;
  background: var(--surface);
  padding: 0;
  transition: border-color 0.15s ease;
}
.detail-thumb img{ width:100%; height:100%; object-fit:cover; }
.detail-thumb.active{ border-color: var(--gold); }
.detail-thumb:hover{ border-color: var(--gold); }

.detail-info .franchise-label{
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}
.detail-info h1{
  margin-top: var(--space-3);
  font-size: clamp(28px, 3.6vw, 40px);
}
.detail-meta-row{
  display:flex; gap: var(--space-5);
  margin-top: var(--space-5);
  flex-wrap: wrap;
}
.detail-meta-row .item .label{
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing:0.08em; text-transform:uppercase;
  color: var(--text-faint);
}
.detail-meta-row .item .value{ margin-top:4px; font-size:15px; font-weight:700; }
.detail-meta-row .item .value.mono{ font-family: var(--font-mono); font-weight:400; }

.detail-notes{
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

.purchase-box{
  margin-top: var(--space-7);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.purchase-box .status-line{
  display:flex; align-items:center; gap: var(--space-2);
  font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
}
.purchase-box .status-line.available{ color: var(--success); }
.purchase-box .status-line.sold{ color: rgb(255,0,0); }
.purchase-box .status-line .dot{ width:8px; height:8px; border-radius:50%; background: currentColor; }
.purchase-box p.sold-note{ margin-top: var(--space-3); color: var(--text-muted); font-size: 14px; }
.purchase-actions{
  margin-top: var(--space-5);
  display:flex; flex-direction: column; gap: var(--space-3);
}

.authenticate-box{
  margin-top: var(--space-5);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display:flex; align-items:center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap;
}
.authenticate-box .serial-display{
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
}

.breadcrumb{
  font-size: 13px;
  color: var(--text-faint);
  margin-bottom: var(--space-6);
}
.breadcrumb a:hover{ color: var(--gold); }

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

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .hero-visual{ display:none;}
  .grid{ grid-template-columns: repeat(2,1fr); }
  .steps{ grid-template-columns: 1fr; }
  .about-hero{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .value-list{ grid-template-columns: 1fr; }
}
@media (max-width: 700px){
  .nav-links{
    display:none;
    position: absolute;
    top: 76px; left:0; right:0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-4) var(--space-5) var(--space-6);
  }
  .nav-links.is-open{ display:flex; }
  .nav-links a{ padding: var(--space-3) 0; width:100%; }
  .menu-toggle{ display:inline-flex; }
  .cert-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 560px){
  .grid{ grid-template-columns: 1fr; }
  .serial-form{ flex-direction: column; }
  .hero-stats{ gap: var(--space-5); flex-wrap:wrap; }
}