/* ===========================================================================
   Poste Restante — AI-engraved postage stamps.
   Aged album paper · engraving teal · postmark red · ink · Spectral / Spline Mono.
   =========================================================================== */
:root{
  --paper:#ece4d6;
  --paper-2:#e2d8c5;
  --card:#f7f1e3;
  --ink:#232a2c;
  --ink-soft:#505b5c;
  --ink-faint:#86908e;
  --teal:#246b6b;
  --teal-deep:#174c4c;
  --red:#b23a2e;
  --red-deep:#8f2a20;
  --sepia:#9c7a46;
  --line:#d4c8b0;
  --line-strong:#bfae8f;
  --disp:"Spectral", Georgia, serif;
  --mono:"Spline Sans Mono", ui-monospace, monospace;
  --body:"Inter", system-ui, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;}
body{
  background:var(--paper);
  background-image:
    radial-gradient(circle at 85% 8%, rgba(36,107,107,.07), transparent 42%),
    radial-gradient(circle at 10% 92%, rgba(178,58,46,.07), transparent 44%);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
h1,h2,h3{margin:0;line-height:1.16;font-family:var(--disp);font-weight:600;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
main{min-height:60vh;}

/* perforation border helper */
.perf{--pc:var(--paper);position:relative;}

/* ---------- Header ---------- */
.site-header{background:var(--card);border-bottom:2px solid var(--ink);position:sticky;top:0;z-index:20;}
.site-header__inner{display:flex;align-items:center;gap:26px;height:78px;max-width:1180px;margin:0 auto;padding:0 28px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand__mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;color:var(--card);background:var(--teal);font-size:18px;border-radius:4px;box-shadow:0 0 0 3px var(--card),0 0 0 4px var(--teal);}
.brand__word{font-family:var(--disp);font-weight:700;font-size:23px;letter-spacing:.02em;color:var(--ink);}
.main-nav{display:flex;gap:24px;margin-left:auto;font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;}
.main-nav a{color:var(--ink-soft);padding:6px 0;position:relative;transition:color .18s;}
.main-nav a:hover{color:var(--red-deep);}
.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--red);transition:right .2s;}
.main-nav a:hover::after{right:0;}
.cart-pill{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:2px solid var(--ink);border-radius:4px;position:relative;transition:all .18s;}
.cart-pill:hover{background:var(--teal);border-color:var(--teal);color:var(--card);}
.cart-pill::before{content:"\2709";font-size:16px;}
.cart-pill__count{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 5px;background:var(--red);color:#fff;font-family:var(--mono);font-size:11px;font-weight:600;border-radius:10px;display:flex;align-items:center;justify-content:center;}

/* ---------- Hero ---------- */
.hero{max-width:1020px;margin:0 auto;padding:70px 28px 42px;text-align:center;}
.hero--tight{padding:48px 28px 24px;}
.hero__eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--teal-deep);margin:0 0 18px;}
.hero h1{font-family:var(--disp);font-size:clamp(2.1rem,5.2vw,3.6rem);color:var(--ink);max-width:16ch;margin:0 auto;}
.hero--tight h1{font-size:clamp(1.8rem,4vw,2.5rem);}
.hero__sub{font-size:1.04rem;max-width:58ch;margin:22px auto 0;color:var(--ink-soft);}
.hero::after{content:"";display:block;width:160px;height:14px;margin:26px auto 0;background-image:radial-gradient(circle at 7px 50%, transparent 4px, var(--teal) 4px 5px, transparent 5px);background-size:14px 14px;background-repeat:repeat-x;opacity:.5;}
.hero--tight::after{display:none;}

/* ---------- Toolbar ---------- */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:1180px;margin:0 auto 36px;padding:0 28px;}
.chip{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;padding:8px 16px;border:1px solid var(--line-strong);background:transparent;color:var(--ink-soft);border-radius:3px;cursor:pointer;transition:all .18s;}
.chip:hover{border-color:var(--teal);color:var(--teal-deep);}
.chip.active{background:var(--ink);color:var(--paper);border-color:var(--ink);}

/* ---------- Grid / cards (stamps) ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:32px 26px;max-width:1180px;margin:0 auto;padding:0 28px 84px;}
.card{background:var(--card);display:flex;flex-direction:column;position:relative;transition:transform .2s,filter .2s;
  border:none;border-radius:2px;
  padding:7px;
  background-image:radial-gradient(circle at 7px 0, transparent 4px, var(--card) 4.5px) ,radial-gradient(circle at 7px 100%, transparent 4px, var(--card) 4.5px);
  filter:drop-shadow(0 3px 5px rgba(35,42,44,.18));
}
/* perforated edge via mask */
.card{ -webkit-mask:
    radial-gradient(circle 5px at 0 0, transparent 98%, #000) 0 0/14px 14px,
    linear-gradient(#000,#000);
}
.card:hover{transform:translateY(-4px);filter:drop-shadow(0 10px 16px rgba(35,42,44,.3));}
.card-cover{display:block;aspect-ratio:3/4;overflow:hidden;background:var(--paper-2);border:1px solid var(--line);}
.card-cover img{width:100%;height:100%;object-fit:cover;filter:saturate(.92);transition:transform .5s;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:12px 10px 10px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card-tags{display:flex;flex-wrap:wrap;gap:6px;}
.tag{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--teal-deep);border:1px solid var(--line-strong);padding:2px 7px;border-radius:2px;}
.card-title{font-family:var(--disp);font-size:1.2rem;font-weight:600;color:var(--ink);}
.card-desc{font-size:.86rem;color:var(--ink-faint);margin:0;flex:1;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px;padding-top:10px;border-top:1px solid var(--line);}
.card-price{font-family:var(--mono);font-size:1.02rem;font-weight:600;color:var(--red-deep);}

/* ---------- Buttons ---------- */
.card-cta{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:9px 16px;background:var(--teal);color:var(--card);border:none;border-radius:3px;cursor:pointer;transition:all .15s;}
.card-cta:hover{background:var(--teal-deep);}
.card-cta.in-cart,.card-cta:disabled{background:transparent;color:var(--ink-faint);border:1px solid var(--line-strong);cursor:default;}
.card-cta--lg{display:inline-flex;align-items:center;justify-content:center;width:100%;max-width:360px;padding:14px 24px;font-size:12px;letter-spacing:.14em;background:var(--red);}
.card-cta--lg:hover{background:var(--red-deep);}

/* ---------- Detail ---------- */
.detail{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:56px;max-width:1040px;margin:0 auto;padding:30px 28px 72px;align-items:start;}
.detail__cover{background:var(--card);padding:10px;border-radius:2px;filter:drop-shadow(0 12px 20px rgba(35,42,44,.3));
  -webkit-mask:radial-gradient(circle 6px at 0 0, transparent 98%, #000) 0 0/16px 16px, linear-gradient(#000,#000);}
.detail__cover img{width:100%;aspect-ratio:3/4;object-fit:cover;border:1px solid var(--line);}
.detail__info h1{font-family:var(--disp);font-size:clamp(2rem,3.6vw,2.9rem);color:var(--ink);margin:12px 0 0;}
.detail__price{font-family:var(--mono);font-size:1.4rem;font-weight:600;color:var(--red-deep);margin:14px 0 22px;}
.detail__placard{background:var(--card);border:1px solid var(--line-strong);border-left:4px solid var(--teal);border-radius:3px;padding:20px 22px;margin-bottom:26px;}
.detail__placard-label{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--sepia);margin:0 0 10px;}
.detail__desc{font-size:1.02rem;line-height:1.72;color:var(--ink-soft);margin:0;}
.detail__back{margin-top:20px;}
.detail__back a{color:var(--ink-faint);font-size:.9rem;}
.detail__back a:hover{color:var(--teal-deep);}

/* ---------- Related ---------- */
.related{max-width:1180px;margin:0 auto;padding:0 28px 84px;border-top:1px solid var(--line-strong);}
.related__title{font-family:var(--disp);font-size:1.6rem;text-align:center;color:var(--ink);margin:46px 0 32px;}
.related .grid{padding:0;}

/* ---------- Cart ---------- */
.cart-list{max-width:760px;margin:0 auto;padding:0 28px;display:flex;flex-direction:column;gap:14px;}
.cart-row{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line-strong);border-radius:4px;padding:14px 16px;}
.cart-row__cover{flex:0 0 54px;}
.cart-row__cover img{width:54px;height:72px;object-fit:cover;border:1px solid var(--line);}
.cart-row__info{flex:1;}
.cart-row__info h3{font-family:var(--disp);font-size:1.14rem;color:var(--ink);}
.cart-row__info p{margin:4px 0 0;color:var(--red-deep);font-family:var(--mono);font-size:.95rem;}
.cart-row__remove{background:none;border:none;color:var(--ink-faint);font-size:.82rem;cursor:pointer;text-decoration:underline;}
.cart-row__remove:hover{color:var(--red-deep);}
.cart-total{max-width:760px;margin:24px auto 20px;padding:18px 28px;display:flex;justify-content:space-between;align-items:baseline;border-top:2px solid var(--ink);}
.cart-total span{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;font-size:.82rem;color:var(--ink-soft);}
.cart-total strong{font-family:var(--mono);font-size:1.6rem;color:var(--ink);}
.cart-total--summary{border-top:1px solid var(--line);margin-bottom:28px;}
.empty-cart{max-width:760px;margin:0 auto;padding:30px 28px 60px;text-align:center;color:var(--ink-soft);}
.empty-cart a{color:var(--teal-deep);text-decoration:underline;}
.cart-list + .cart-total + .card-cta--lg,.empty-cart + .card-cta--lg{display:flex;margin:0 auto 70px;}

/* ---------- Forms ---------- */
.auth-form{max-width:420px;margin:0 auto 60px;padding:0 28px;display:flex;flex-direction:column;gap:16px;}
.auth-form label{display:flex;flex-direction:column;gap:6px;font-family:var(--mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);}
.auth-form input{font-family:var(--body);font-size:1rem;padding:12px 14px;border:1px solid var(--line-strong);border-radius:3px;background:var(--card);color:var(--ink);}
.auth-form input:focus{outline:none;border-color:var(--teal);}
.auth-form .card-cta--lg{max-width:none;margin-top:6px;}
.auth-alt{text-align:center;color:var(--ink-soft);padding-bottom:70px;}
.auth-alt a{color:var(--teal-deep);text-decoration:underline;}
.form-error{max-width:420px;margin:0 auto 18px;padding:12px 16px;background:rgba(178,58,46,.1);border:1px solid var(--red);border-radius:3px;color:var(--red-deep);text-align:center;font-size:.92rem;}

/* ---------- Legal ---------- */
.legal-text{max-width:720px;margin:0 auto;padding:0 28px 84px;color:var(--ink-soft);}
.legal-text p{margin:0 0 18px;}

/* ---------- Footer ---------- */
.site-footer{border-top:2px solid var(--ink);background:var(--paper-2);}
.site-footer__inner{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;padding:40px 28px;}
.brand--footer{display:flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:700;font-size:20px;color:var(--ink);}
.brand--footer .brand__mark{width:28px;height:28px;font-size:14px;}
.site-footer p{margin:0;color:var(--ink-faint);font-size:.88rem;}
.site-footer nav{display:flex;gap:20px;margin-top:4px;}
.site-footer nav a{color:var(--ink-soft);font-size:.85rem;}
.site-footer nav a:hover{color:var(--red-deep);}

/* ---------- Responsive ---------- */
@media(max-width:720px){
  .site-header__inner{height:64px;gap:14px;}
  .main-nav{gap:14px;font-size:10px;letter-spacing:.06em;}
  .brand__word{font-size:19px;}
  .detail{grid-template-columns:1fr;gap:30px;}
  .detail__cover{max-width:320px;margin:0 auto;}
  .hero{padding:48px 20px 30px;}
}