:root{
  --paper:#fff;
  --ink:#1c1a17;
  --ink-soft:#514b44;
  --muted:#766d61;
  --line:#e6ddcf;
  --accent:#8faeb0;
  --accent-deep:#6f9295;
  --font-display:"Cormorant Garamond",Georgia,serif;
  --font-sans:"Jost",system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{background:#f6f5f2}
body{margin:0;min-height:100vh;color:var(--ink-soft);background:linear-gradient(150deg,#fff 0%,#f5f7f7 55%,#e8eff0 100%);font-family:var(--font-sans);font-weight:300;line-height:1.55;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}

.cart-header{width:min(1220px,calc(100% - 2rem));height:86px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(28,26,23,.12)}
.cart-brand{display:flex;flex-direction:column;line-height:1}
.cart-brand b{font-family:var(--font-display);font-size:1.65rem;font-weight:600}
.cart-brand span{margin-top:.3rem;font-size:.6rem;font-weight:400;letter-spacing:.4em;text-transform:uppercase}
.back-link{display:flex;align-items:center;gap:.55rem;font-size:.76rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase}
.back-link span{font-size:1.25rem;transition:transform .25s var(--ease)}
.back-link:hover span{transform:translateX(-4px)}
.back-link .header-cart-count{min-width:1.35rem;height:1.35rem;padding:0 .35rem;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--accent-deep);color:#fff;font-size:.65rem;letter-spacing:0}

.cart-main{width:min(1160px,calc(100% - 2rem));margin:0 auto;padding:clamp(3rem,7vw,6rem) 0}
.cart-intro{max-width:620px;margin-bottom:clamp(2rem,5vw,4rem)}
.eyebrow,.step-label,.summary-label{margin:0 0 .7rem;color:var(--accent-deep);font-size:.7rem;font-weight:500;letter-spacing:.24em;text-transform:uppercase}
.cart-intro h1{margin:0;color:var(--ink);font-family:var(--font-display);font-size:clamp(3.3rem,8vw,6rem);font-weight:400;line-height:.9}
.cart-intro>p:last-child{margin:1.2rem 0 0;font-size:1rem}

.cart-layout{display:grid;grid-template-columns:minmax(0,.92fr) minmax(360px,.78fr);gap:clamp(1.5rem,4vw,4rem);align-items:start}
.art-summary,.checkout,.empty-cart{background:rgba(255,255,255,.92);border:1px solid rgba(28,26,23,.11);border-radius:24px;box-shadow:0 24px 70px -45px rgba(28,26,23,.55);overflow:hidden}
.art-summary{padding:clamp(1.5rem,4vw,2.5rem)}
.summary-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;padding-bottom:1.2rem;border-bottom:1px solid var(--line)}
.summary-head h2{margin:0;color:var(--ink);font-family:var(--font-display);font-size:clamp(2.1rem,4vw,3.2rem);font-weight:400;line-height:1}
.summary-head>span{color:var(--muted);font-size:.75rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}
.cart-items{display:flex;flex-direction:column}
.cart-item{display:grid;grid-template-columns:125px minmax(0,1fr);gap:1.3rem;padding:1.35rem 0;border-bottom:1px solid var(--line)}
.art-image-wrap{height:150px;min-height:0;border-radius:13px;background:#e8e4dd;overflow:hidden}
.art-image-wrap img{width:100%;height:100%;object-fit:cover}
.art-copy{min-width:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.art-copy h3{margin:0;color:var(--ink);font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.4rem);font-weight:400;line-height:1}
.checkout h2,.empty-cart h2,.checkout-success h2{margin:0;color:var(--ink);font-family:var(--font-display);font-size:clamp(2.2rem,4vw,3.5rem);font-weight:400;line-height:1}
.art-size{margin:.65rem 0 .1rem;color:var(--muted);font-size:.86rem}
.art-status{margin:.15rem 0 0;font-size:.73rem;font-weight:500;letter-spacing:.13em;text-transform:uppercase}
.item-bottom{width:100%;margin-top:.75rem;display:flex;align-items:center;justify-content:space-between;gap:.7rem}
.item-price{color:var(--ink);font-family:var(--font-display);font-size:1.35rem;font-weight:500}
.remove-item{padding:0;border:0;border-bottom:1px solid currentColor;background:none;color:var(--muted);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase}
.cart-total{padding-top:1.3rem;display:flex;align-items:baseline;justify-content:space-between;gap:1rem;color:var(--ink)}
.cart-total span{font-size:.75rem;font-weight:500;letter-spacing:.15em;text-transform:uppercase}
.cart-total strong{font-family:var(--font-display);font-size:2rem;font-weight:500}

.checkout{padding:clamp(1.8rem,4vw,3rem)}
.checkout h2{font-size:2.6rem}
#checkoutForm{margin-top:2rem}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
label>span:first-child:not(.payment-mark){display:block;margin:0 0 .45rem;color:var(--ink);font-size:.78rem;font-weight:500;letter-spacing:.06em}
input[type="text"],input[type="email"],input[type="tel"]{width:100%;height:50px;margin-bottom:1rem;padding:0 .9rem;border:1px solid #cbc3b8;border-radius:10px;background:#fff;color:var(--ink);font-size:1rem;outline:none;transition:border .2s,box-shadow .2s}
input:focus{border-color:var(--accent-deep);box-shadow:0 0 0 3px rgba(143,174,176,.2)}
.payment-methods{margin:1.25rem 0 0;padding:0;border:0}
.payment-methods legend{margin-bottom:.7rem;color:var(--ink);font-size:.78rem;font-weight:500;letter-spacing:.06em}
.payment-option{position:relative;display:grid;grid-template-columns:24px 44px 1fr;gap:.8rem;align-items:center;margin:.65rem 0 0;padding:1rem;border:1px solid #cbc3b8;border-radius:14px;background:#fff;cursor:pointer;transition:border .2s,background .2s,transform .2s}
.payment-option:hover{transform:translateY(-1px);border-color:var(--accent-deep)}
.payment-option:has(input:checked){border-color:var(--accent-deep);background:#f1f6f6;box-shadow:0 0 0 2px rgba(143,174,176,.16)}
.payment-option input{width:18px;height:18px;margin:0;accent-color:var(--accent-deep)}
.payment-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:#161616;color:#fff;font-size:.7rem;font-weight:600;letter-spacing:-.03em}
.payment-mark.bank{background:var(--accent-deep);font-family:var(--font-display);font-size:1.4rem}
.payment-option strong{display:block;color:var(--ink);font-size:.9rem;font-weight:500}
.payment-option small{display:block;margin-top:.15rem;color:var(--muted);font-size:.74rem;line-height:1.4}
.form-error{margin:1rem 0 0;color:#9a3d35;font-size:.82rem}
.checkout-button{width:100%;min-height:52px;margin-top:1.4rem;display:flex;align-items:center;justify-content:center;border:1px solid var(--ink);border-radius:999px;background:var(--ink);color:#fff;font-size:.78rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;transition:background .25s,color .25s,transform .25s}
.checkout-button:hover{transform:translateY(-2px);background:#000}
.checkout-button.secondary{width:auto;display:inline-flex;padding:0 1.8rem;background:transparent;color:var(--ink)}
.checkout-button.secondary:hover{background:var(--ink);color:#fff}
.checkout-note{margin:.75rem 0 0;text-align:center;color:var(--muted);font-size:.72rem}
.privacy-note{margin:1rem 0 0;color:var(--muted);font-size:.75rem;line-height:1.55}
.privacy-note a{color:var(--ink);font-weight:500;text-decoration:underline;text-underline-offset:3px}

.checkout-success{text-align:center;padding:2rem 0 .5rem}
.success-mark{width:58px;height:58px;margin:0 auto 1.3rem;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-size:1.6rem}
.checkout-success p{margin:1rem auto 0;max-width:430px}
.checkout-success .checkout-button{margin:1.6rem auto 0}
.empty-cart{max-width:680px;margin:0 auto;padding:clamp(2rem,6vw,5rem);text-align:center}
.empty-cart p:not(.eyebrow){margin:1rem 0 0}
.empty-cart .checkout-button{margin:1.8rem auto 0}
.cart-footer{width:min(1160px,calc(100% - 2rem));margin:0 auto;padding:1.5rem 0 2.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;border-top:1px solid rgba(28,26,23,.12);color:var(--muted);font-size:.72rem}
.cart-footer a{color:var(--ink);font-weight:500;text-decoration:underline;text-underline-offset:3px}

@media(max-width:850px){
  .cart-layout{grid-template-columns:1fr}
}

@media(max-width:560px){
  .cart-header{height:74px}
  .cart-brand b{font-size:1.4rem}
  .back-link{font-size:.66rem}
  .cart-main{padding:2.5rem 0 3rem}
  .cart-intro{margin-bottom:1.7rem}
  .cart-intro h1{font-size:3.8rem}
  .cart-layout{gap:1rem}
  .art-summary,.checkout{padding:1.5rem}
  .summary-head{align-items:flex-start;flex-direction:column;gap:.4rem}
  .cart-item{grid-template-columns:92px minmax(0,1fr);gap:1rem}
  .art-image-wrap{height:118px}
  .art-copy h3{font-size:1.7rem}
  .field-grid{grid-template-columns:1fr;gap:0}
  .checkout h2{font-size:2.4rem}
  .payment-option{grid-template-columns:22px 40px 1fr;padding:.9rem .8rem}
  .payment-mark{width:38px;height:38px}
  .cart-footer{align-items:flex-start;flex-direction:column}
}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}