:root {
    --paper: #f7f5f2;
    --ink: #111111;
    --muted: #8a8580;
    --hairline: #ddd8d1;
    --stage: #ffffff;
    --mono: "Space Mono", ui-monospace, monospace;
    --serif: "Playfair Display", Georgia, serif;
    --sans: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.label,
.nav a,
.cart-link,
.crumb,
.stage-tag,
.control-group > span,
.field-label {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ---------- masthead ---------- */

.masthead {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 22px 34px;
    gap: 20px;
}

.wordmark {
    font-family: var(--serif);
    font-size: 22px;
    letter-spacing: 0.06em;
    justify-self: start;
}

.nav { display: flex; gap: 34px; }
.nav a:hover, .cart-link:hover { color: var(--ink); }

.cart-link {
    justify-self: end;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.cart-glyph {
    width: 11px;
    height: 9px;
    border: 1px solid currentColor;
    border-top: none;
    border-radius: 0 0 2px 2px;
    position: relative;
}

.cart-glyph::before {
    content: "";
    position: absolute;
    inset: -4px 2px auto 2px;
    height: 5px;
    border: 1px solid currentColor;
    border-bottom: none;
    border-radius: 4px 4px 0 0;
}

.shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px 34px 90px;
}

.crumb {
    display: inline-block;
    margin-bottom: 26px;
}

.crumb:hover { color: var(--ink); }

/* ---------- collection ---------- */

.collection-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 18px;
    margin-bottom: 34px;
}

.collection-head h1 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 40px;
    margin: 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 34px;
}

.card-figure {
    background: var(--stage);
    border: 1px solid var(--hairline);
    aspect-ratio: 4 / 5;
    display: grid;
    place-items: center;
    padding: 26px;
    transition: border-color 0.2s;
}

.card:hover .card-figure { border-color: var(--ink); }
.card-figure img { width: 62%; }

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 14px;
}

.card-meta strong {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 19px;
}

.card-meta span { font-size: 13px; color: var(--muted); }

/* ---------- product layout ---------- */

.product {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 1fr);
    gap: 46px;
    align-items: start;
}

.stage {
    --ax: 0%;
    --ay: 0%;
    --as: 1;
    position: relative;
    background: var(--stage);
    border: 1px solid var(--hairline);
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.stage-tag {
    position: absolute;
    top: 14px;
    left: 16px;
    z-index: 4;
}

.stage-tag.is-finish {
    top: auto;
    left: auto;
    right: 16px;
    bottom: 14px;
}

.cup {
    position: absolute;
    inset: 6% 0 4%;
    width: 100%;
    height: 90%;
    object-fit: contain;
    z-index: 1;
}

/* The wrap panel: artwork is clipped to the printable face of the cup. */
.print-area {
    position: absolute;
    left: 31%;
    top: 37%;
    width: 38%;
    height: 32%;
    overflow: hidden;
    z-index: 2;
    display: grid;
    place-items: center;
}

.print-area::after {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px dashed var(--muted);
    opacity: 0.85;
    pointer-events: none;
    transition: opacity 0.25s;
}

.stage.has-art .print-area::after { opacity: 0; }

.artwork {
    max-width: 100%;
    max-height: 100%;
    transform: translate(var(--ax), var(--ay)) scale(var(--as));
    transform-origin: center;
    mix-blend-mode: multiply;
    will-change: transform;
}

/* Finish treatments sit above the artwork so the mark reads as printed, not pasted. */
.sheen {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
    background: linear-gradient(
        100deg,
        rgba(255, 255, 255, 0) 32%,
        rgba(255, 255, 255, 0.55) 44%,
        rgba(255, 255, 255, 0) 56%
    );
}

.stage[data-finish="gloss"] .sheen { opacity: 1; }
.stage[data-finish="gloss"] .artwork { filter: saturate(1.1) contrast(1.05); }
.stage[data-finish="raw-ceramic"] .artwork { filter: saturate(0.75) contrast(0.9) opacity(0.88); }

/* ---------- controls ---------- */

.panel > .label { display: block; }

.panel h1 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 44px;
    line-height: 1.05;
    margin: 6px 0 12px;
}

.price {
    font-family: var(--mono);
    font-size: 13px;
    margin: 0 0 18px;
}

.blurb {
    font-size: 14px;
    color: #4a4741;
    margin: 0 0 30px;
    line-height: 1.6;
}

.control-group { margin-bottom: 26px; }
.control-group > span { display: block; margin-bottom: 12px; }

.dropzone {
    display: grid;
    place-items: center;
    gap: 10px;
    padding: 30px 20px;
    border: 1px dashed var(--hairline);
    background: transparent;
    width: 100%;
    cursor: pointer;
    text-align: center;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    transition: border-color 0.2s, background 0.2s;
}

.dropzone:hover,
.dropzone.is-over { border-color: var(--ink); background: rgba(0, 0, 0, 0.015); }
.dropzone.is-set { color: var(--ink); }
.dropzone small {
    font-family: var(--sans);
    font-size: 11px;
    letter-spacing: 0;
    text-transform: none;
    color: var(--muted);
}

.dropzone-icon { font-size: 15px; line-height: 1; }
.dropzone.is-busy { opacity: 0.5; pointer-events: none; }

.upload-error {
    margin-top: 10px;
    font-size: 11px;
    color: #a3312a;
    min-height: 14px;
}

.slider-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 4px;
}

.slider-row .field-label { color: var(--muted); }
.slider-row output { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; }

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 18px;
    background: transparent;
    margin: 0 0 16px;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
    height: 1px;
    background: var(--hairline);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 11px;
    height: 11px;
    margin-top: -5px;
    border-radius: 50%;
    background: var(--paper);
    border: 3px solid var(--ink);
}

input[type="range"]::-moz-range-track { height: 1px; background: var(--hairline); }
input[type="range"]::-moz-range-thumb {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--paper);
    border: 3px solid var(--ink);
}

.finish-set { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }

.finish-set input { position: absolute; opacity: 0; pointer-events: none; }

.finish-set label {
    display: grid;
    place-items: center;
    padding: 12px 4px;
    border: 1px solid var(--hairline);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    cursor: pointer;
    transition: all 0.18s;
}

.finish-set input:checked + label {
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
    font-weight: 700;
}

.buy-row {
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--hairline);
    padding: 10px 16px;
    margin-bottom: 14px;
}

.stepper { display: flex; align-items: center; gap: 14px; }

.stepper button {
    border: none;
    background: none;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    color: var(--muted);
    padding: 0;
}

.stepper button:hover { color: var(--ink); }
.stepper input {
    width: 34px;
    border: none;
    background: none;
    text-align: center;
    font-family: var(--mono);
    font-size: 13px;
    -moz-appearance: textfield;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.buy-row .line-price { font-family: var(--mono); font-size: 12px; color: var(--muted); }

.btn {
    display: block;
    width: 100%;
    padding: 17px;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: #fff;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    cursor: pointer;
    text-align: center;
    transition: opacity 0.2s;
}

.btn:hover { opacity: 0.82; }

.btn:disabled,
.btn[aria-disabled="true"] {
    background: #c9c4bd;
    border-color: #c9c4bd;
    color: #fff;
    cursor: not-allowed;
    opacity: 1;
}

.btn-ghost { background: none; color: var(--ink); }

/* ---------- cart & checkout ---------- */

.page-title {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 40px;
    margin: 0 0 30px;
}

.cart-line {
    display: grid;
    grid-template-columns: 108px 1fr auto;
    gap: 24px;
    align-items: center;
    border-top: 1px solid var(--hairline);
    padding: 20px 0;
}

.cart-line:last-of-type { border-bottom: 1px solid var(--hairline); }

.thumb {
    background: var(--stage);
    border: 1px solid var(--hairline);
    aspect-ratio: 1 / 1;
}

.thumb .print-area::after { display: none; }

.cart-line h2 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 20px;
    margin: 0 0 6px;
}

.spec {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 12px;
}

.line-actions { display: flex; align-items: center; gap: 16px; }
.line-actions form { display: contents; }
.link-btn {
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: underline;
}
.link-btn:hover { color: var(--ink); }

.qty-form { display: flex; align-items: center; gap: 8px; }
.qty-form input {
    width: 46px;
    padding: 6px;
    border: 1px solid var(--hairline);
    background: none;
    font-family: var(--mono);
    font-size: 12px;
    text-align: center;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin: 26px 0 20px;
}

.cart-total strong { font-family: var(--serif); font-weight: 400; font-size: 26px; }

.cart-foot { display: flex; justify-content: flex-end; }
.cart-foot .btn { width: auto; padding-inline: 60px; }

.checkout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 1fr);
    gap: 46px;
    align-items: start;
}

.field { margin-bottom: 18px; }
.field label { display: block; margin-bottom: 7px; }
.field input,
.field textarea {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid var(--hairline);
    background: var(--stage);
    font-family: var(--sans);
    font-size: 14px;
}

.field input:focus,
.field textarea:focus { outline: none; border-color: var(--ink); }

.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.summary {
    border: 1px solid var(--hairline);
    padding: 24px;
    background: var(--stage);
}

.summary h2 {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 400;
    margin: 0 0 18px;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    font-size: 13px;
    padding: 9px 0;
}

.summary-line.total {
    border-top: 1px solid var(--hairline);
    margin-top: 10px;
    padding-top: 16px;
    font-family: var(--mono);
    font-size: 13px;
}

.notice {
    border: 1px solid var(--hairline);
    padding: 60px 40px;
    text-align: center;
    background: var(--stage);
}

.notice h1 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 38px;
    margin: 0 0 12px;
}

.notice p { color: var(--muted); font-size: 14px; margin: 0 0 26px; }

.order-ref {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.18em;
    color: var(--ink);
}

.error-text { color: #a3312a; font-size: 12px; margin-bottom: 16px; }

.footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 22px 34px 40px;
    border-top: 1px solid var(--hairline);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}

@media (max-width: 900px) {
    .product, .checkout { grid-template-columns: 1fr; gap: 30px; }
    .masthead { grid-template-columns: 1fr auto; row-gap: 14px; }
    .nav { grid-column: 1 / -1; order: 3; justify-content: center; gap: 22px; }
}