/* BERKAM Bespoke Shirt Builder — Modern Atelier Specification Desk */
.berkam-shirt-page {
    --builder-ink: #0B1C13;
    --builder-ink-soft: #4A5850;
    --builder-paper: #FAF8F5;
    --builder-paper-deep: #F1ECE3;
    --builder-line: rgba(11, 28, 19, 0.12);
    --builder-coral: #C4993A;
    --builder-brass: #DFCBA0;
    --builder-gold-light: #F8F2E4;
    background: var(--builder-paper);
    color: var(--builder-ink);
}

/* 款式基底选择胶囊条 (Base Program Bar) */
.berkam-shirt-program-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
    padding: 16px 24px;
    background: #FFFFFF;
    border: 1px solid rgba(223, 203, 160, 0.4);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(11, 28, 19, 0.04);
}

.berkam-shirt-program-bar__label span {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--builder-coral);
}

.berkam-shirt-program-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.berkam-shirt-program-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: #F8F6F2;
    border: 1px solid rgba(11, 28, 19, 0.1);
    border-radius: 9999px;
    color: var(--builder-ink);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.berkam-shirt-program-pill:hover {
    background: #FFFFFF;
    border-color: var(--builder-brass);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(11, 28, 19, 0.08);
}

.berkam-shirt-program-pill.is-active {
    background: var(--builder-ink);
    color: #FFFFFF;
    border-color: var(--builder-coral);
    box-shadow: 0 4px 16px rgba(11, 28, 19, 0.18);
}

.berkam-shirt-program-pill__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1.5px solid rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
}

.berkam-shirt-program-pill.is-active .berkam-shirt-program-pill__dot {
    border-color: var(--builder-brass);
    box-shadow: 0 0 8px rgba(223, 203, 160, 0.6);
}

.berkam-shirt-program-pill__badge {
    padding: 2px 8px;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.06em;
    border-radius: 9999px;
    background: rgba(196, 153, 58, 0.15);
    color: var(--builder-coral);
}

.berkam-shirt-program-pill.is-active .berkam-shirt-program-pill__badge {
    background: rgba(223, 203, 160, 0.25);
    color: var(--builder-brass);
}

/* 缩略图标签 */
.berkam-shirt-stage__thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 14px;
}

.berkam-shirt-stage__thumb {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px;
    background: #FFFFFF;
    border: 1px solid rgba(11, 28, 19, 0.1);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.berkam-shirt-stage__thumb:hover {
    border-color: var(--builder-brass);
    transform: translateY(-2px);
}

.berkam-shirt-stage__thumb.is-active {
    border-color: var(--builder-coral);
    box-shadow: 0 0 0 2px rgba(196, 153, 58, 0.4);
}

.berkam-shirt-stage__thumb img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: 4px;
}

.berkam-shirt-stage__thumb span {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--builder-ink-soft);
    line-height: 1.2;
}

.berkam-shirt-stage__thumb.is-active span {
    color: var(--builder-coral);
    font-weight: 700;
}

/* BERKAM shirt builder — a quiet specification desk, not a generic product form. */
.berkam-shirt-page {
    --builder-ink: #172a42;
    --builder-ink-soft: #526174;
    --builder-paper: #f8f6f1;
    --builder-paper-deep: #ede8df;
    --builder-line: rgba(23, 42, 66, .16);
    --builder-coral: #bb745f;
    --builder-brass: #c8a36b;
    background: var(--builder-paper);
    color: var(--builder-ink);
}

.berkam-shirt-hero--builder {
    position: relative;
    overflow: hidden;
    padding: clamp(64px, 7vw, 104px) 0 clamp(52px, 6vw, 84px);
    background: var(--builder-ink);
    color: #f8f6f1;
}

.berkam-shirt-hero--builder::before {
    position: absolute;
    right: -10vw;
    bottom: -18vw;
    width: 50vw;
    height: 50vw;
    border: 1px solid rgba(200, 163, 107, .26);
    border-radius: 50%;
    content: "";
}

.berkam-shirt-hero--builder::after {
    position: absolute;
    top: 0;
    right: 27%;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, .16), transparent);
    content: "";
}

.berkam-shirt-hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(250px, .7fr);
    gap: clamp(40px, 8vw, 132px);
    align-items: end;
}

.berkam-shirt-hero__copy {
    max-width: 760px;
}

.berkam-shirt-page .berkam-eyebrow,
.berkam-shirt-configurator__eyebrow {
    margin: 0 0 18px;
    color: var(--builder-coral);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .18em;
    line-height: 1.4;
    text-transform: uppercase;
}

.berkam-shirt-hero__copy h1 {
    max-width: 840px;
    margin: 0;
    color: #fbf9f3;
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: clamp(48px, 7.4vw, 112px);
    font-weight: 600;
    letter-spacing: -.045em;
    line-height: .9;
}

.berkam-shirt-hero__copy > p:not(.berkam-eyebrow) {
    max-width: 610px;
    margin: 30px 0 0;
    color: rgba(248, 246, 241, .74);
    font-size: 16px;
    line-height: 1.75;
}

.berkam-shirt-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 36px;
}

.berkam-shirt-page .berkam-button {
    display: inline-flex;
    gap: 22px;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    padding: 13px 18px;
    border: 1px solid transparent;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .1em;
    line-height: 1.2;
    text-decoration: none;
    text-transform: uppercase;
    transition: transform .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}

.berkam-shirt-page .berkam-button:hover {
    transform: translateY(-2px);
}

.berkam-shirt-page .berkam-button--solid {
    background: var(--builder-coral);
    color: #fffaf4;
}

.berkam-shirt-page .berkam-button--solid:hover {
    background: #ce8068;
}

.berkam-shirt-page .berkam-button--ghost {
    border-color: rgba(248, 246, 241, .3);
    color: #f8f6f1;
}

.berkam-shirt-page .berkam-button--ghost:hover {
    border-color: var(--builder-brass);
    color: var(--builder-brass);
}

.berkam-shirt-hero__note {
    max-width: 300px;
    padding: 24px 0 0 28px;
    border-left: 1px solid rgba(200, 163, 107, .6);
}

.berkam-shirt-hero__note-index {
    display: block;
    margin-bottom: 38px;
    color: var(--builder-brass);
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 34px;
    line-height: 1;
}

.berkam-shirt-hero__note p {
    margin: 0;
    color: rgba(248, 246, 241, .9);
    font-size: 15px;
    line-height: 1.6;
}

.berkam-shirt-hero__note-rule {
    width: 42px;
    height: 1px;
    margin: 35px 0 17px;
    background: var(--builder-coral);
}

.berkam-shirt-hero__note small {
    display: block;
    color: rgba(248, 246, 241, .52);
    font-size: 11px;
    line-height: 1.6;
}

.berkam-shirt-configurator {
    max-width: 1440px;
    margin: 0 auto;
    padding: clamp(52px, 6vw, 88px) clamp(22px, 5vw, 76px);
}

.berkam-shirt-builder-shell {
    display: grid;
    grid-template-columns: minmax(300px, .9fr) minmax(520px, 1.1fr);
    min-height: 760px;
    border: 1px solid var(--builder-line);
    background: #f3f1ed;
}

.berkam-shirt-builder-visual {
    position: sticky;
    top: 0;
    align-self: start;
    padding: 22px;
    background: #faf9f6;
}

.berkam-shirt-builder-visual__image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    background: #eeeae3;
}

.berkam-shirt-visual-brief {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--builder-line);
}

.berkam-shirt-visual-brief > div {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: baseline;
}

.berkam-shirt-visual-brief span,
.berkam-shirt-visual-brief strong {
    font-size: 10px;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.berkam-shirt-visual-brief span {
    color: var(--builder-ink-soft);
}

.berkam-shirt-visual-brief strong {
    color: var(--builder-coral);
}

.berkam-shirt-visual-brief p {
    overflow: hidden;
    margin: 9px 0 0;
    color: var(--builder-ink);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.4;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.berkam-shirt-builder-panel {
    min-width: 0;
    padding: clamp(24px, 4vw, 48px);
    background: #f3f1ed;
}

.berkam-shirt-builder-panel__topline {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: end;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--builder-line);
}

.berkam-shirt-builder-panel__topline h2 {
    margin: 0;
    color: var(--builder-ink);
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: clamp(34px, 4vw, 54px);
    line-height: .95;
}

.berkam-shirt-builder-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin: 0 0 28px;
    border-bottom: 1px solid var(--builder-line);
}

.berkam-shirt-builder-steps button {
    display: block;
    width: 100%;
    padding: 17px 10px 14px;
    border-bottom: 2px solid transparent;
    border-top: 0;
    border-right: 0;
    border-left: 0;
    background: transparent;
    color: var(--builder-ink-soft);
    cursor: pointer;
    font: inherit;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
    text-align: left;
    text-decoration: none;
    text-transform: uppercase;
}

.berkam-shirt-builder-steps button > span:not(.berkam-shirt-builder-step__number) {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    letter-spacing: 0;
    text-transform: none;
}

.berkam-shirt-builder-steps button small {
    display: block;
    margin-top: 4px;
    color: var(--builder-ink-soft);
    font-size: 9px;
    font-weight: 400;
    letter-spacing: 0;
    line-height: 1.3;
    text-transform: none;
}

.berkam-shirt-builder-step__number {
    color: var(--builder-coral);
    font-size: 10px;
}

.berkam-shirt-builder-steps button:hover,
.berkam-shirt-builder-steps button.is-active,
.berkam-shirt-builder-steps button.is-complete {
    border-bottom-color: var(--builder-coral);
    color: var(--builder-ink);
}

.berkam-shirt-builder-steps button:hover small,
.berkam-shirt-builder-steps button.is-active small,
.berkam-shirt-builder-steps button.is-complete small {
    color: var(--builder-ink-soft);
}

.berkam-shirt-builder-steps button:focus-visible,
.berkam-shirt-step-button:focus-visible {
    outline: 2px solid var(--builder-brass);
    outline-offset: -2px;
}

.berkam-shirt-builder-step[hidden] {
    display: none;
}

.berkam-shirt-builder-step {
    animation: berkam-shirt-step-in .28s ease both;
}

@keyframes berkam-shirt-step-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.berkam-shirt-step-heading {
    max-width: 680px;
    margin: 4px 0 30px;
}

.berkam-shirt-step-heading .berkam-shirt-configurator__eyebrow {
    margin-bottom: 12px;
}

.berkam-shirt-step-heading h3 {
    margin: 0;
    color: var(--builder-ink);
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: clamp(31px, 4vw, 52px);
    font-weight: 600;
    letter-spacing: -.035em;
    line-height: .96;
}

.berkam-shirt-step-heading p:last-child {
    max-width: 560px;
    margin: 14px 0 0;
    color: var(--builder-ink-soft);
    font-size: 13px;
    line-height: 1.65;
}

.berkam-shirt-step-actions {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    margin-top: 30px;
    padding-top: 18px;
    border-top: 1px solid var(--builder-line);
}

.berkam-shirt-step-actions > span {
    color: var(--builder-ink-soft);
    font-size: 11px;
}

.berkam-shirt-step-button {
    min-height: 43px;
    padding: 0 15px;
    border: 1px solid var(--builder-ink);
    border-radius: 0;
    background: transparent;
    color: var(--builder-ink);
    cursor: pointer;
    font: inherit;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}

.berkam-shirt-step-button:hover {
    transform: translateY(-2px);
}

.berkam-shirt-step-button--next {
    border-color: var(--builder-coral);
    background: var(--builder-coral);
    color: #fffaf4;
}

.berkam-shirt-step-button--next:hover {
    border-color: #ce8068;
    background: #ce8068;
}

.berkam-shirt-step-button--back {
    border-color: var(--builder-line);
    color: var(--builder-ink-soft);
}

.berkam-shirt-step-button--back:hover {
    border-color: var(--builder-ink);
    color: var(--builder-ink);
}

.berkam-shirt-configurator__intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, .72fr);
    gap: 40px;
    align-items: end;
    max-width: 1060px;
    margin-bottom: 48px;
}

.berkam-shirt-configurator__intro h2 {
    max-width: 660px;
    margin: 0;
    color: var(--builder-ink);
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: clamp(38px, 5vw, 72px);
    font-weight: 600;
    letter-spacing: -.04em;
    line-height: .94;
}

.berkam-shirt-configurator__intro > p {
    max-width: 410px;
    margin: 0;
    color: var(--builder-ink-soft);
    font-size: 14px;
    line-height: 1.75;
}

.berkam-shirt-fabric-library {
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
}

.berkam-shirt-fabric-library__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, .6fr);
    gap: 34px;
    align-items: end;
}

.berkam-shirt-fabric-library__head h2 {
    max-width: 620px;
    margin: 0;
    color: var(--builder-ink);
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: clamp(34px, 4.4vw, 62px);
    font-weight: 600;
    letter-spacing: -.04em;
    line-height: .94;
}

.berkam-shirt-fabric-library__head h3 {
    margin: 0;
    color: var(--builder-ink);
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 34px;
    line-height: .95;
}

.berkam-shirt-fabric-library__head > p {
    max-width: 390px;
    margin: 0;
    color: var(--builder-ink-soft);
    font-size: 13px;
    line-height: 1.7;
}

.berkam-shirt-fabric-library__filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
}

.berkam-shirt-fabric-library__controls {
    display: grid;
    grid-template-columns: minmax(220px, .85fr) minmax(0, 1.15fr);
    gap: 18px;
    align-items: center;
    margin: 22px 0 18px;
}

.berkam-shirt-fabric-search {
    display: block;
}

.berkam-shirt-fabric-search input {
    display: block;
    width: 100%;
    min-height: 43px;
    padding: 0 14px;
    border: 1px solid var(--builder-line);
    border-radius: 0;
    background: rgba(255, 255, 255, .68);
    color: var(--builder-ink);
    font: inherit;
    font-size: 12px;
}

.berkam-shirt-fabric-search input::placeholder {
    color: var(--builder-ink-soft);
    opacity: .72;
}

.berkam-shirt-fabric-search input:focus {
    outline: 2px solid var(--builder-brass);
    outline-offset: 2px;
}

.berkam-shirt-fabric-filter {
    padding: 11px 15px;
    border: 1px solid var(--builder-line);
    border-radius: 0;
    background: transparent;
    color: var(--builder-ink-soft);
    cursor: pointer;
    font: inherit;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

.berkam-shirt-fabric-filter:hover,
.berkam-shirt-fabric-filter.is-active {
    border-color: var(--builder-ink);
    background: var(--builder-ink);
    color: #fffaf4;
}

.berkam-shirt-fabric-filter:focus-visible,
.berkam-shirt-fabric-card:focus-visible {
    outline: 2px solid var(--builder-brass);
    outline-offset: 3px;
}

.berkam-shirt-fabric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.berkam-shirt-fabric-card[hidden] {
    display: none;
}

.berkam-shirt-fabric-card {
    position: relative;
    display: block;
    padding: 0;
    border: 1px solid rgba(23, 42, 66, .14);
    border-radius: 0;
    background: rgba(255, 255, 255, .52);
    color: var(--builder-ink);
    cursor: pointer;
    font: inherit;
    text-align: left;
    transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}

.berkam-shirt-fabric-card:hover,
.berkam-shirt-fabric-card.is-selected {
    border-color: var(--builder-coral);
    background: #fffaf4;
    transform: translateY(-3px);
}

.berkam-shirt-fabric-card.is-selected::after {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 18px;
    height: 18px;
    background: var(--builder-coral);
    color: #fffaf4;
    content: "✓";
    font-size: 12px;
    line-height: 18px;
    text-align: center;
}

.berkam-shirt-fabric-card__image {
    display: block;
    overflow: hidden;
    aspect-ratio: 1 / .88;
    background: var(--builder-paper-deep);
}

.berkam-shirt-fabric-card__image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
}

.berkam-shirt-fabric-card:hover .berkam-shirt-fabric-card__image img {
    transform: scale(1.045);
}

.berkam-shirt-fabric-card__meta {
    display: block;
    padding: 11px 11px 13px;
}

.berkam-shirt-fabric-card__meta small,
.berkam-shirt-fabric-card__meta strong,
.berkam-shirt-fabric-card__meta em {
    display: block;
}

.berkam-shirt-fabric-card__meta small {
    min-height: 25px;
    color: var(--builder-ink-soft);
    font-size: 9px;
    line-height: 1.35;
}

.berkam-shirt-fabric-card__meta strong {
    margin-top: 5px;
    color: var(--builder-ink);
    font-size: 11px;
    letter-spacing: .08em;
}

.berkam-shirt-fabric-card__meta em {
    margin-top: 4px;
    color: var(--builder-coral);
    font-size: 10px;
    font-style: normal;
    line-height: 1.35;
}

.berkam-shirt-fabric-library__notice {
    margin: 18px 0 0;
    color: var(--builder-ink-soft);
    font-size: 10px;
    line-height: 1.55;
}

.berkam-shirt-fabric-library__footer {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid var(--builder-line);
}

.berkam-shirt-fabric-library__status {
    margin: 0;
    color: var(--builder-ink-soft);
    font-size: 11px;
}

.berkam-shirt-fabric-load {
    min-height: 38px;
    padding: 0 15px;
    border: 1px solid var(--builder-ink);
    border-radius: 0;
    background: transparent;
    color: var(--builder-ink);
    cursor: pointer;
    font: inherit;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    transition: background-color .2s ease, color .2s ease, opacity .2s ease;
}

.berkam-shirt-fabric-load:hover:not(:disabled) {
    background: var(--builder-ink);
    color: #fffaf4;
}

.berkam-shirt-fabric-load:disabled {
    cursor: wait;
    opacity: .55;
}

.berkam-shirt-fabric-detail {
    display: grid;
    grid-template-columns: minmax(150px, .34fr) minmax(0, 1fr);
    gap: 22px;
    margin-top: 22px;
    padding: 14px;
    border: 1px solid var(--builder-line);
    background: rgba(255, 255, 255, .42);
}

.berkam-shirt-fabric-detail[hidden] {
    display: none;
}

.berkam-shirt-fabric-detail__image {
    overflow: hidden;
    min-height: 150px;
    aspect-ratio: 1 / 1;
    background: var(--builder-paper-deep);
}

.berkam-shirt-fabric-detail__image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.berkam-shirt-fabric-detail h3 {
    margin: 0 0 8px;
    color: var(--builder-ink);
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 28px;
    line-height: 1;
}

.berkam-shirt-fabric-detail p:not(.berkam-shirt-configurator__eyebrow) {
    margin: 0;
    color: var(--builder-ink-soft);
    font-size: 11px;
    line-height: 1.6;
}

.berkam-shirt-fabric-detail__specs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
    margin: 18px 0 0;
}

.berkam-shirt-fabric-detail__specs div {
    padding-top: 8px;
    border-top: 1px solid var(--builder-line);
}

.berkam-shirt-fabric-detail__specs dt {
    color: var(--builder-ink-soft);
    font-size: 9px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.berkam-shirt-fabric-detail__specs dd {
    margin: 4px 0 0;
    color: var(--builder-ink);
    font-size: 11px;
    font-weight: 700;
    line-height: 1.45;
}

.berkam-shirt-configurator__workspace {
    display: grid;
    grid-template-columns: minmax(260px, .86fr) minmax(380px, 1.2fr) minmax(260px, .68fr);
    gap: clamp(22px, 3vw, 48px);
    align-items: start;
}

.berkam-shirt-stage {
    min-width: 0;
}

.berkam-shirt-stage__image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    background: var(--builder-paper-deep);
}

.berkam-shirt-stage__image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity .25s ease;
}

.berkam-shirt-stage__label,
.berkam-shirt-stage__number {
    position: absolute;
    z-index: 1;
    color: rgba(255, 255, 255, .92);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.berkam-shirt-stage__label {
    top: 18px;
    left: 18px;
    padding: 7px 9px;
    background: rgba(23, 42, 66, .78);
}

.berkam-shirt-stage__number {
    right: 18px;
    bottom: 18px;
}

.berkam-shirt-stage__thumbs {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 7px;
    margin-top: 10px;
}

.berkam-shirt-stage__thumb {
    display: block;
    overflow: hidden;
    padding: 0;
    border: 1px solid transparent;
    background: var(--builder-paper-deep);
    cursor: pointer;
    opacity: .62;
    transition: border-color .2s ease, opacity .2s ease, transform .2s ease;
}

.berkam-shirt-stage__thumb:hover,
.berkam-shirt-stage__thumb.is-active {
    border-color: var(--builder-coral);
    opacity: 1;
}

.berkam-shirt-stage__thumb:hover {
    transform: translateY(-2px);
}

.berkam-shirt-stage__thumb img {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1.15;
    object-fit: cover;
}

.berkam-shirt-stage__caption {
    margin: 15px 0 0;
    color: var(--builder-ink-soft);
    font-size: 11px;
    line-height: 1.55;
}

.berkam-shirt-builder-form {
    min-width: 0;
    padding: 0;
    border: 0;
    background: transparent;
}

.berkam-shirt-builder-form__topline {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--builder-line);
    color: var(--builder-ink);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.berkam-shirt-builder-form__progress {
    color: var(--builder-coral);
    font-size: 10px;
}

.berkam-shirt-option-group {
    margin: 0 0 25px;
    padding: 0;
    border: 0;
}

.berkam-shirt-option-group legend {
    margin-bottom: 10px;
    color: var(--builder-ink);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.berkam-shirt-option-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
}

.berkam-shirt-option {
    position: relative;
    display: block;
    cursor: pointer;
}

.berkam-shirt-option input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.berkam-shirt-option__body {
    display: block;
    min-height: 58px;
    padding: 10px 12px;
    border: 1px solid var(--builder-line);
    background: rgba(255, 255, 255, .42);
    transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

.berkam-shirt-option__label,
.berkam-shirt-option__body small {
    display: block;
}

.berkam-shirt-option__label {
    color: var(--builder-ink);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.3;
}

.berkam-shirt-option__body small {
    margin-top: 4px;
    color: var(--builder-ink-soft);
    font-size: 10px;
    line-height: 1.35;
}

.berkam-shirt-option input:checked + .berkam-shirt-option__body {
    border-color: var(--builder-coral);
    background: var(--builder-ink);
}

.berkam-shirt-option input:checked + .berkam-shirt-option__body .berkam-shirt-option__label {
    color: #fffaf4;
}

.berkam-shirt-option input:checked + .berkam-shirt-option__body small {
    color: rgba(255, 250, 244, .68);
}

.berkam-shirt-option input:focus-visible + .berkam-shirt-option__body,
.berkam-shirt-stage__thumb:focus-visible,
.berkam-shirt-page .berkam-button:focus-visible,
.berkam-shirt-summary__cta:focus-visible {
    outline: 2px solid var(--builder-brass);
    outline-offset: 3px;
}

.berkam-shirt-select-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 12px;
    padding-top: 1px;
}

.berkam-shirt-select {
    display: block;
}

.berkam-shirt-select > span {
    display: block;
    margin-bottom: 8px;
    color: var(--builder-ink);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.berkam-shirt-select select,
.berkam-shirt-select textarea {
    display: block;
    width: 100%;
    border: 1px solid var(--builder-line);
    border-radius: 0;
    background: rgba(255, 255, 255, .62);
    color: var(--builder-ink);
    font: inherit;
    font-size: 12px;
}

.berkam-shirt-select select {
    min-height: 45px;
    padding: 0 11px;
}

.berkam-shirt-select textarea {
    min-height: 45px;
    padding: 10px 11px;
    resize: vertical;
}

.berkam-shirt-select select:focus,
.berkam-shirt-select textarea:focus {
    outline: 2px solid var(--builder-brass);
    outline-offset: 2px;
}

.berkam-shirt-summary {
    min-width: 0;
    padding: 27px 24px 24px;
    background: var(--builder-ink);
    color: #f8f6f1;
}

.berkam-shirt-summary .berkam-shirt-configurator__eyebrow {
    margin-bottom: 13px;
}

.berkam-shirt-summary h3 {
    margin: 0;
    color: #fffaf4;
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 34px;
    font-weight: 600;
    letter-spacing: -.03em;
    line-height: .98;
}

.berkam-shirt-summary__list {
    margin: 30px 0 26px;
}

.berkam-shirt-summary__list > div {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    padding: 10px 0;
    border-top: 1px solid rgba(248, 246, 241, .14);
}

.berkam-shirt-summary__list dt,
.berkam-shirt-summary__list dd {
    margin: 0;
    font-size: 11px;
    line-height: 1.45;
}

.berkam-shirt-summary__list dt {
    color: rgba(248, 246, 241, .52);
}

.berkam-shirt-summary__list dd {
    color: #fffaf4;
    font-weight: 700;
    text-align: right;
}

.berkam-shirt-summary__cta {
    width: 100%;
    border: 0;
    cursor: pointer;
    font: inherit;
}

.berkam-shirt-summary__fineprint {
    margin: 16px 0 0;
    color: rgba(248, 246, 241, .54);
    font-size: 10px;
    line-height: 1.6;
}

.berkam-shirt-configurator__principles {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    margin-top: clamp(60px, 9vw, 126px);
    padding-top: 28px;
    border-top: 1px solid var(--builder-line);
}

.berkam-shirt-configurator__principles article {
    max-width: 290px;
}

.berkam-shirt-configurator__principles span {
    color: var(--builder-coral);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .1em;
}

.berkam-shirt-configurator__principles h3 {
    margin: 16px 0 8px;
    color: var(--builder-ink);
    font-size: 16px;
}

.berkam-shirt-configurator__principles p,
.berkam-shirt-configurator__noscript {
    margin: 0;
    color: var(--builder-ink-soft);
    font-size: 12px;
    line-height: 1.7;
}

.berkam-shirt-configurator__noscript {
    margin-top: 34px;
}

.berkam-shirt-configurator__noscript a {
    color: var(--builder-coral);
    font-weight: 700;
}

@media (max-width: 1180px) {
    .berkam-shirt-builder-shell {
        grid-template-columns: minmax(260px, .78fr) minmax(420px, 1.22fr);
    }

    .berkam-shirt-fabric-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .berkam-shirt-configurator__workspace {
        grid-template-columns: minmax(260px, .8fr) minmax(360px, 1.2fr);
    }

    .berkam-shirt-summary {
        grid-column: 2;
        position: static;
    }
}

@media (max-width: 800px) {
    .berkam-shirt-builder-shell {
        display: block;
    }

    .berkam-shirt-builder-visual {
        position: relative;
    }

    .berkam-shirt-hero__inner,
    .berkam-shirt-fabric-library__head,
    .berkam-shirt-configurator__intro,
    .berkam-shirt-configurator__workspace {
        grid-template-columns: 1fr;
    }

    .berkam-shirt-fabric-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .berkam-shirt-fabric-library__controls {
        grid-template-columns: 1fr;
    }

    .berkam-shirt-hero__note {
        max-width: 410px;
    }

    .berkam-shirt-summary {
        grid-column: auto;
    }
}

@media (max-width: 560px) {
    .berkam-shirt-hero--builder {
        padding-top: 58px;
    }

    .berkam-shirt-hero__copy h1 {
        font-size: clamp(44px, 15vw, 72px);
    }

    .berkam-shirt-hero__actions,
    .berkam-shirt-hero__actions .berkam-button {
        width: 100%;
    }

    .berkam-shirt-builder-form {
        padding: 0;
    }

    .berkam-shirt-builder-form__topline {
        display: block;
    }

    .berkam-shirt-builder-form__progress {
        display: block;
        margin-top: 7px;
    }

    .berkam-shirt-option-grid,
    .berkam-shirt-select-row,
    .berkam-shirt-configurator__principles {
        grid-template-columns: 1fr;
    }

    .berkam-shirt-fabric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .berkam-shirt-builder-panel__topline {
        display: block;
    }

    .berkam-shirt-builder-panel__topline .berkam-shirt-builder-form__progress {
        display: block;
        margin-top: 12px;
    }

    .berkam-shirt-builder-steps button {
        padding-right: 4px;
        padding-left: 4px;
        font-size: 8px;
    }

    .berkam-shirt-builder-steps button small {
        display: none;
    }

    .berkam-shirt-step-actions {
        flex-wrap: wrap;
    }

    .berkam-shirt-step-actions > span {
        width: 100%;
    }

    .berkam-shirt-step-actions .berkam-shirt-step-button {
        flex: 1 1 auto;
    }

    .berkam-shirt-fabric-library__footer,
    .berkam-shirt-fabric-detail {
        display: block;
    }

    .berkam-shirt-fabric-load {
        width: 100%;
        margin-top: 12px;
    }

    .berkam-shirt-fabric-detail__image {
        width: min(100%, 180px);
        margin-bottom: 18px;
    }

    .berkam-shirt-fabric-detail__specs {
        grid-template-columns: 1fr;
    }

    .berkam-shirt-configurator__principles article {
        max-width: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .berkam-shirt-page * {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }
}