/*
 * rax — printed side.
 * A parlay card: goldenrod stock, heavy ink, one red stamp.
 */

:root {
    --stock: #efc948;
    --stock-deep: #e3ba33;
    --ink: #191510;
    --paper: #f8f4e8;
    --stamp: #bf1e2d;

    --display: "Anton", "Arial Narrow", sans-serif;
    --body: "Hanken Grotesk", Verdana, sans-serif;
    --mono: "IBM Plex Mono", "Courier New", monospace;

    --text-sm: clamp(0.8rem, 0.77rem + 0.15vw, 0.875rem);
    --text-base: clamp(1rem, 0.93rem + 0.35vw, 1.125rem);
    --text-lg: clamp(1.3rem, 1.15rem + 0.75vw, 1.7rem);
    --text-xl: clamp(2.1rem, 1.6rem + 2.5vw, 3.4rem);
    --text-hero: clamp(2.9rem, 1.8rem + 5.5vw, 6.2rem);
}

* {
    box-sizing: border-box;
}

body.card {
    margin: 0;
    background: var(--stock);
    color: var(--ink);
    font-family: var(--body);
    font-size: var(--text-base);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
}

:focus-visible {
    outline: 3px solid var(--ink);
    outline-offset: 2px;
}

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

.masthead {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    padding: 0.6rem 1.25rem;
    background: var(--ink);
    color: var(--stock);
}

.masthead-brand {
    font-family: var(--display);
    font-size: 1.6rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1;
}

.masthead-line {
    font-family: var(--mono);
    font-size: var(--text-sm);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.masthead-url {
    margin-left: auto;
    font-family: var(--mono);
    font-size: var(--text-sm);
}

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

main {
    max-width: 68rem;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ---------- hero ---------- */

.hero {
    padding: 4.5rem 0 3rem;
    border-bottom: 3px solid var(--ink);
}

.eyebrow {
    margin: 0 0 1.25rem;
    font-family: var(--mono);
    font-size: var(--text-sm);
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero h1 {
    margin: 0 0 1.5rem;
    font-family: var(--display);
    font-size: var(--text-hero);
    line-height: 1.02;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    max-width: 16ch;
}

.lede {
    max-width: 62ch;
    font-size: var(--text-lg);
    line-height: 1.45;
    margin: 0;
}

/* ---------- worksheet ---------- */

.worksheet-wrap {
    padding: 3.5rem 0;
    border-bottom: 3px solid var(--ink);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.worksheet {
    position: relative;
    background: var(--paper);
    border: 3px solid var(--ink);
    box-shadow: 6px 6px 0 var(--ink);
    padding: 1.75rem 2rem 2rem;
    width: min(34rem, 100%);
}

.worksheet-title {
    margin: 0 0 1.25rem;
    font-family: var(--display);
    font-size: var(--text-lg);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.worksheet-table {
    width: 100%;
    border-collapse: collapse;
}

.worksheet-table th {
    text-align: left;
    font-family: var(--mono);
    font-weight: 400;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.45rem 1rem 0.45rem 0;
    white-space: nowrap;
    vertical-align: baseline;
    width: 1%;
}

.worksheet-table td {
    padding: 0.45rem 0;
    border-bottom: 1px solid rgba(25, 21, 16, 0.18);
}

.worksheet-table tr:last-child td {
    border-bottom: none;
}

.num {
    font-family: var(--mono);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.aside {
    font-size: var(--text-sm);
    opacity: 0.62;
    margin-left: 0.5rem;
}

.worksheet-result th,
.worksheet-result td {
    padding-top: 0.9rem;
    border-top: 3px solid var(--ink);
    border-bottom: none;
}

.edge-num {
    font-size: var(--text-xl);
    font-weight: 600;
    line-height: 1;
}

/* the rubber stamp */

.stamp {
    position: absolute;
    right: 1.1rem;
    bottom: 1.1rem;
    font-family: var(--display);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--stamp);
    border: 4px double var(--stamp);
    border-radius: 4px;
    padding: 0.35rem 0.8rem;
    transform: rotate(-8deg) scale(1.6);
    opacity: 0;
    mix-blend-mode: multiply;
}

.worksheet.stamped .stamp {
    animation: stamp-in 0.38s cubic-bezier(0.2, 1.6, 0.35, 1) forwards;
}

@keyframes stamp-in {
    to {
        transform: rotate(-8deg) scale(1);
        opacity: 0.88;
    }
}

.worksheet-caption {
    max-width: 48ch;
    margin: 1.5rem 0 0;
    font-size: var(--text-sm);
    text-align: center;
    opacity: 0.75;
}

/* ---------- rules ---------- */

.rules {
    padding: 3.5rem 0;
    border-bottom: 3px solid var(--ink);
}

.rules h2,
.builder h2 {
    margin: 0 0 1.75rem;
    font-family: var(--display);
    font-size: var(--text-xl);
    text-transform: uppercase;
    letter-spacing: 0.01em;
}

.rules-list {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: rule;
    columns: 2;
    column-gap: 3.5rem;
}

.rules-list li {
    counter-increment: rule;
    break-inside: avoid;
    margin-bottom: 1.4rem;
    padding-left: 2.6rem;
    position: relative;
    max-width: 52ch;
}

.rules-list li::before {
    content: counter(rule);
    position: absolute;
    left: 0;
    top: 0.05rem;
    font-family: var(--display);
    font-size: 1.35rem;
    line-height: 1;
    color: var(--stamp);
}

.rules-list strong {
    display: block;
    font-weight: 700;
}

/* ---------- builder note ---------- */

.builder {
    padding: 3.5rem 0;
}

.builder p {
    max-width: 62ch;
    font-size: var(--text-lg);
    line-height: 1.5;
    margin: 0;
}

/* ---------- tear-off stub ---------- */

.stub-wrap {
    padding: 1rem 0 4rem;
}

.tear-line {
    border-top: 3px dashed var(--ink);
    margin-bottom: 2.25rem;
    position: relative;
}

.tear-line::before {
    content: "\2702";
    position: absolute;
    top: -0.85rem;
    left: 1.5rem;
    font-size: 1.1rem;
    background: var(--stock);
    padding: 0 0.4rem;
}

.stub {
    background: var(--paper);
    border: 3px solid var(--ink);
    box-shadow: 6px 6px 0 var(--ink);
    padding: 1.75rem 2rem;
    max-width: 34rem;
    transform: rotate(-0.7deg);
    transition: transform 0.25s ease;
}

.stub:hover {
    transform: rotate(0.4deg);
}

.stub-label {
    margin: 0 0 0.75rem;
    font-family: var(--mono);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    opacity: 0.7;
}

.stub-copy {
    margin: 0 0 1.4rem;
    font-size: var(--text-lg);
    max-width: 30ch;
}

.stub-button {
    display: inline-block;
    font-family: var(--display);
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-decoration: none;
    background: var(--ink);
    color: var(--stock);
    padding: 0.7rem 1.5rem;
    border: 3px solid var(--ink);
}

.stub-button:hover {
    background: var(--stamp);
    border-color: var(--stamp);
    color: var(--paper);
}

/* ---------- fine print ---------- */

.fineprint {
    border-top: 3px solid var(--ink);
    padding: 1.75rem 1.25rem 2.5rem;
    max-width: 68rem;
    margin: 0 auto;
}

.fineprint p {
    max-width: 72ch;
    font-size: var(--text-sm);
    line-height: 1.65;
    margin: 0 0 0.75rem;
    opacity: 0.8;
}

/* ---------- login slip ---------- */

body.slip-page {
    margin: 0;
    background: var(--stock);
    color: var(--ink);
    font-family: var(--body);
    font-size: var(--text-base);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.slip-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
}

.slip {
    background: var(--paper);
    border: 3px solid var(--ink);
    box-shadow: 6px 6px 0 var(--ink);
    padding: 2rem 2.25rem 2.25rem;
    width: min(26rem, 100%);
    transform: rotate(-0.7deg);
}

.slip-brand {
    font-family: var(--display);
    font-size: 2rem;
    text-transform: uppercase;
    margin: 0 0 0.25rem;
}

.slip-sub {
    font-family: var(--mono);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin: 0 0 1.75rem;
    opacity: 0.7;
}

.slip label {
    display: block;
    font-family: var(--mono);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.slip input[type="password"] {
    width: 100%;
    font-family: var(--mono);
    font-size: 1.1rem;
    padding: 0.65rem 0.75rem;
    border: 3px solid var(--ink);
    border-radius: 0;
    background: var(--paper);
    color: var(--ink);
}

.slip input[type="password"]:focus-visible {
    outline: 3px solid var(--stamp);
    outline-offset: 1px;
}

.slip-error {
    color: var(--stamp);
    font-weight: 700;
    margin: 0.9rem 0 0;
    min-height: 1.4em;
}

.slip button {
    margin-top: 1.25rem;
    font-family: var(--display);
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: var(--ink);
    color: var(--stock);
    border: 3px solid var(--ink);
    padding: 0.65rem 1.5rem;
    cursor: pointer;
}

.slip button:hover {
    background: var(--stamp);
    border-color: var(--stamp);
    color: var(--paper);
}

.slip-back {
    margin-top: 1.5rem;
    font-size: var(--text-sm);
}

/* ---------- responsive ---------- */

@media (max-width: 760px) {
    .masthead {
        flex-wrap: wrap;
        gap: 0.35rem 1rem;
    }

    .masthead-url {
        margin-left: 0;
    }

    .rules-list {
        columns: 1;
    }

    .worksheet {
        padding: 1.4rem 1.25rem 4.5rem;
    }

    .hero {
        padding-top: 3rem;
    }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
    .worksheet.stamped .stamp {
        animation: none;
        transform: rotate(-8deg) scale(1);
        opacity: 0.88;
    }

    .stub,
    .stub:hover {
        transition: none;
        transform: none;
    }
}