:root {
    --paper: #fbfbf9;
    --ink: #101010;
    --cobalt: #002afa;
    --line: #e4e4de;
    --muted: #6e6e67;
    --bib: #ffffff;
    --paypal: #0070ba;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}
body {
    background: var(--paper);
    color: var(--ink);
    font-family: 'Archivo', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
.mono {
    font-family: 'IBM Plex Mono', monospace;
}

.shell {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

header.site {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
}
header .header-left {
    display: flex;
    align-items: center;
    gap: 18px;
}
header .brand {
    display: flex;
    align-items: center;
    line-height: 0;
}
header .brand-mark {
    width: 22px;
    height: 22px;
    display: block;
}
header .nav-link {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--muted);
    text-decoration: none;
}
header .nav-link:hover,
header .nav-link:focus-visible {
    color: var(--cobalt);
}

.hero {
    padding: 28px 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.hero-text {
    min-width: 0;
    flex: 1 1 480px;
}
.shirt-stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1600px;
    flex: 0 0 380px;
}
.shirt-float {
    position: relative;
    width: 380px;
    height: 380px;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-transform: rotateX(8deg);
    transform: rotateX(8deg);
}
.shirt-flip {
    position: relative;
    width: 100%;
    height: 100%;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-animation: shirt-spin 10s linear infinite;
    animation: shirt-spin 10s linear infinite;
    will-change: transform;
}
.shirt-face {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    filter: drop-shadow(0 22px 30px rgba(0, 0, 0, 0.35));
}
.shirt-face.back {
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
}
.shirt-shadow {
    position: absolute;
    bottom: -4%;
    left: 50%;
    width: 60%;
    height: 24px;
    background: radial-gradient(
        ellipse at center,
        rgba(0, 0, 0, 0.3),
        transparent 70%
    );
    transform: translateX(-50%);
    animation: shadow-pulse 10s linear infinite;
}

@keyframes shirt-spin {
    from {
        transform: rotateY(0deg);
    }
    to {
        transform: rotateY(360deg);
    }
}
@keyframes shadow-pulse {
    0%,
    50%,
    100% {
        opacity: 0.45;
        transform: translateX(-50%) scaleX(1);
    }
    25%,
    75% {
        opacity: 0.22;
        transform: translateX(-50%) scaleX(0.6);
    }
}

.eyebrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cobalt);
    margin-bottom: 16px;
}
h1 {
    font-weight: 900;
    font-stretch: 115%;
    text-transform: uppercase;
    font-size: clamp(40px, 8vw, 96px);
    line-height: 0.94;
    letter-spacing: -0.01em;
    white-space: nowrap;
}
h1 .outline {
    color: transparent;
    -webkit-text-stroke: 2px var(--ink);
}
.hero-sub {
    margin-top: 24px;
    max-width: 520px;
    color: var(--muted);
    font-size: 17px;
}
.hero-sub strong {
    color: var(--ink);
    font-weight: 600;
}

.details {
    background: #eaeeff;
    border-radius: 8px;
    border-bottom: none;
    margin: 20px 0;
    padding: 20px 32px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
@media (max-width: 820px) {
    .details {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 16px 20px;
    }
}
@media (max-width: 700px) {
    .hero {
        flex-direction: column;
        padding: 24px 0 32px;
        gap: 28px;
    }
    .hero-text {
        flex: 1 1 auto;
        width: 100%;
    }
    .shirt-stage {
        flex: 0 0 auto;
        width: 100%;
    }
    .shirt-float {
        width: min(300px, 78vw);
        height: min(300px, 78vw);
    }
}
@media (max-width: 420px) {
    h1 {
        font-size: clamp(32px, 11vw, 52px);
    }
}
.detail h3 {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cobalt);
    margin-bottom: 10px;
}
.detail p {
    color: var(--muted);
    font-size: 15px;
}
.detail p strong {
    color: var(--ink);
    font-weight: 600;
}

.order {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 48px 0;
    align-items: start;
}
@media (max-width: 820px) {
    .order {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.bib-wrap {
    position: sticky;
    top: 24px;
}
@media (max-width: 820px) {
    .bib-wrap {
        position: static;
    }
}
.bib {
    background: var(--bib);
    border: 2px solid var(--ink);
    border-radius: 6px;
    padding: 22px 22px 18px;
    box-shadow: 6px 6px 0 var(--cobalt);
}
.bib-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    border-bottom: 1px dashed var(--line);
    padding-bottom: 12px;
}
.bib-hole {
    width: 10px;
    height: 10px;
    border: 2px solid var(--line);
    border-radius: 50%;
}
.bib-name {
    font-weight: 900;
    font-stretch: 115%;
    text-transform: uppercase;
    font-size: clamp(34px, 6vw, 52px);
    line-height: 1.05;
    padding: 26px 0 20px;
    min-height: 96px;
    word-break: break-word;
}
.bib-name.placeholder {
    color: var(--line);
}
.bib-bottom {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: flex-end;
    border-top: 2px solid var(--ink);
    padding-top: 12px;
}
.bib-bottom .bib-stat:nth-child(2) {
    text-align: center;
}
.bib-stat .lab {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}
.bib-stat .val {
    font-weight: 900;
    font-size: 26px;
    font-stretch: 115%;
}
.bib-stat .val.accent {
    color: var(--cobalt);
}
.bib-note {
    margin-top: 14px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--muted);
    line-height: 1.6;
}

.field {
    margin-bottom: 28px;
}
label.lab,
.lab-txt {
    display: block;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink);
    margin-bottom: 10px;
}
.lab-txt .req {
    color: var(--cobalt);
}
input[type='text'] {
    width: 100%;
    border: none;
    border-bottom: 2px solid var(--ink);
    background: transparent;
    font-family: 'Archivo', sans-serif;
    font-size: 22px;
    font-weight: 600;
    padding: 8px 2px;
    border-radius: 0;
    color: var(--ink);
}
input[type='text']::placeholder {
    color: var(--line);
}
input[type='text']:focus {
    outline: none;
    border-bottom-color: var(--cobalt);
}
input[type='text']:focus-visible {
    outline: 2px solid var(--cobalt);
    outline-offset: 4px;
}

.sizes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 36px;
}
.size-btn {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    border: 1.5px solid var(--ink);
    background: transparent;
    color: var(--ink);
    padding: 12px 0;
    width: 62px;
    border-radius: 4px;
    cursor: pointer;
    transition:
        background 0.12s ease,
        color 0.12s ease;
}
.size-btn:hover {
    background: var(--line);
}
.size-btn:focus-visible {
    outline: 2px solid var(--cobalt);
    outline-offset: 2px;
}
.size-btn[aria-pressed='true'] {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}
.size-btn.sold-out {
    position: relative;
    overflow: visible;
    color: var(--muted);
    border-color: var(--line);
    text-decoration: line-through;
    text-decoration-color: var(--muted);
    cursor: not-allowed;
}
.size-btn.sold-out:hover {
    background: transparent;
}
.sold-out-tag {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%) translateY(4px);
    background: var(--ink);
    color: var(--paper);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition:
        opacity 0.12s ease,
        transform 0.12s ease;
}
.sold-out-tag::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--ink);
}
@media (hover: hover) {
    .size-btn.sold-out:hover .sold-out-tag,
    .size-btn.sold-out:focus-visible .sold-out-tag {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}
@media (hover: none) {
    .size-btn.sold-out {
        padding-bottom: 4px;
    }
    .sold-out-tag {
        position: static;
        display: block;
        opacity: 1;
        transform: none;
        pointer-events: auto;
        background: none;
        color: var(--muted);
        font-size: 9px;
        letter-spacing: 0.04em;
        padding: 2px 0 0;
        text-decoration: none;
    }
    .sold-out-tag::after {
        display: none;
    }
}
.size-btn.low-stock {
    position: relative;
    overflow: visible;
    border-color: var(--cobalt);
}
.low-stock-tag {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
    background: var(--cobalt);
    color: var(--paper);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    pointer-events: none;
    animation: low-stock-pulse 1.8s ease-in-out infinite;
}
.low-stock-tag::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--cobalt);
}
.size-btn.low-stock[aria-pressed='true'] {
    border-color: var(--cobalt);
    box-shadow: inset 0 0 0 1.5px var(--cobalt);
}
@keyframes low-stock-pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.55;
    }
}
@media (prefers-reduced-motion: reduce) {
    .low-stock-tag {
        animation: none;
    }
}
.size-table tbody tr.sold-out td {
    color: var(--muted);
    text-decoration: line-through;
    text-decoration-color: var(--muted);
}

.qty {
    display: inline-flex;
    align-items: center;
    border: 1.5px solid var(--ink);
    border-radius: 4px;
}
.qty button {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 18px;
    background: transparent;
    border: none;
    width: 44px;
    height: 44px;
    cursor: pointer;
    color: var(--ink);
}
.qty button:hover {
    background: var(--line);
}
.qty button:focus-visible {
    outline: 2px solid var(--cobalt);
    outline-offset: -4px;
}
.qty .qty-val {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 16px;
    font-weight: 600;
    width: 44px;
    height: 44px;
    text-align: center;
    border: none;
    border-left: 1.5px solid var(--ink);
    border-right: 1.5px solid var(--ink);
    border-radius: 0;
    background: transparent;
    color: var(--ink);
    line-height: 44px;
    padding: 0;
}
.qty .qty-val:focus-visible {
    outline: 2px solid var(--cobalt);
    outline-offset: -4px;
}

.pay-methods {
    display: flex;
    gap: 10px;
}
.pay-method-btn {
    flex: 1;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    border: 1.5px solid var(--ink);
    background: transparent;
    color: var(--ink);
    padding: 12px 0;
    border-radius: 4px;
    cursor: pointer;
    transition:
        background 0.12s ease,
        color 0.12s ease;
}
.pay-method-btn:hover {
    background: var(--line);
}
.pay-method-btn:focus-visible {
    outline: 2px solid var(--cobalt);
    outline-offset: 2px;
}
.pay-method-btn[aria-pressed='true'] {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

.paybar {
    margin-top: 36px;
}
.venmo-btn,
.paypal-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: var(--cobalt);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 18px 20px;
    font-family: 'Archivo', sans-serif;
    font-weight: 800;
    font-stretch: 110%;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 16px;
    cursor: pointer;
    transition:
        transform 0.1s ease,
        box-shadow 0.1s ease;
    box-shadow: 4px 4px 0 var(--ink);
}
.paypal-btn {
    background: var(--paypal);
}
.venmo-btn:hover,
.paypal-btn:hover {
    transform: translate(-1px, -1px);
    box-shadow: 5px 5px 0 var(--ink);
}
.venmo-btn:active,
.paypal-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--ink);
}
.venmo-btn:focus-visible,
.paypal-btn:focus-visible {
    outline: 3px solid var(--ink);
    outline-offset: 3px;
}
.venmo-btn:disabled,
.paypal-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    box-shadow: 4px 4px 0 var(--ink);
    transform: none;
}
.venmo-btn .arrow,
.paypal-btn .arrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 18px;
}
.pay-hint {
    margin-top: 12px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.7;
}
.pay-hint button.copy {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    color: var(--cobalt);
    text-decoration: underline;
    cursor: pointer;
}
.pay-hint button.copy:focus-visible {
    outline: 2px solid var(--cobalt);
    outline-offset: 2px;
}
.err {
    display: none;
    margin-top: 10px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: #c81e1e;
}
.err.show {
    display: block;
}

footer.site {
    border-top: 1px solid var(--line);
    padding: 28px 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--muted);
}
footer a {
    color: var(--muted);
    text-decoration: none;
}
footer a:hover,
footer a:focus-visible {
    color: var(--cobalt);
}

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--ink);
    color: var(--paper);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    padding: 12px 20px;
    border-radius: 6px;
    transition: transform 0.25s ease;
    z-index: 50;
}
.toast.show {
    transform: translateX(-50%) translateY(0);
}

.inline-link {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    color: var(--cobalt);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}
.inline-link:hover {
    color: var(--ink);
}
.inline-link:focus-visible {
    outline: 2px solid var(--cobalt);
    outline-offset: 2px;
}

.chartlink {
    background: none;
    border: none;
    padding: 0;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: lowercase;
    color: var(--cobalt);
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    margin-left: 10px;
}
.chartlink:hover {
    color: var(--ink);
}
.chartlink:focus-visible {
    outline: 2px solid var(--cobalt);
    outline-offset: 2px;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(16, 16, 16, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay[hidden] {
    display: none;
}
.modal {
    background: var(--bib);
    border: 2px solid var(--ink);
    border-radius: 6px;
    box-shadow: 8px 8px 0 var(--cobalt);
    width: min(420px, 100%);
    padding: 20px 22px 18px;
    animation: modal-in 0.18s ease-out;
}
@keyframes modal-in {
    from {
        transform: translateY(10px) scale(0.98);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}
@media (prefers-reduced-motion: reduce) {
    .modal {
        animation: none;
    }
}
.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid var(--ink);
    padding-bottom: 10px;
}
.modal-title {
    font-weight: 900;
    font-stretch: 115%;
    text-transform: uppercase;
    font-size: 20px;
    letter-spacing: 0.01em;
}
.modal-close {
    background: none;
    border: 1.5px solid var(--ink);
    border-radius: 4px;
    width: 30px;
    height: 30px;
    line-height: 1;
    font-size: 18px;
    cursor: pointer;
    color: var(--ink);
}
.modal-close:hover {
    background: var(--ink);
    color: var(--paper);
}
.modal-close:focus-visible {
    outline: 2px solid var(--cobalt);
    outline-offset: 2px;
}
.modal-sub {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 10px 0 12px;
}
.size-table {
    width: 100%;
    border-collapse: collapse;
}
.size-table th {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cobalt);
    text-align: left;
    padding: 6px 8px;
    border-bottom: 1.5px solid var(--ink);
}
.size-table td {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    padding: 8px;
    border-bottom: 1px dashed var(--line);
}
.size-table td:first-child {
    font-weight: 600;
}
.size-table tbody tr:hover {
    background: var(--paper);
}
.size-table tbody tr.highlight {
    background: var(--paper);
}
.size-table tbody tr.highlight td:first-child {
    color: var(--cobalt);
}
.modal-hint {
    margin-top: 12px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--muted);
    line-height: 1.6;
}
.modal-ref {
    margin-top: 6px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    font-style: italic;
    color: var(--cobalt);
    line-height: 1.6;
}