/* Shared product download flow. Scoped so other product pages keep their own layout.
   Buttons are selected as `.dl .dl-button` so the generic `.dl a` link colour never wins. */
body.dl-document {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
}
.dl {
    width: min(80rem, calc(100% - 2rem));
    margin: 0 auto;
    padding: calc(var(--shell-height, 8.5rem) + 1.25rem) 0 4.5rem;
    color: var(--ink);
    font-family: var(--font-display);
    flex: 1 0 auto;
}
body.dl-document > footer {
    flex-shrink: 0;
}
.dl [hidden] { display: none !important; }
.dl h1,
.dl h2,
.dl p { margin: 0; }
.dl a {
    color: var(--ink);
    text-decoration-line: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}
.dl :focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.dl-kicker,
.dl-label,
.dl-field label,
.dl-fieldset legend {
    color: var(--ink-2);
    font: 400 0.6875rem/1.6 var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.dl-meta {
    color: var(--ink-3);
    font: 400 0.75rem/1.6 var(--font-mono);
    letter-spacing: 0.02em;
    overflow-wrap: anywhere;
}
.dl-meta a { color: inherit; }
.dl-meta code { font: inherit; word-break: break-all; }

.dl h1 {
    margin: 0.25rem 0 0;
    font: 300 clamp(1.75rem, 3vw, 2.375rem)/1.05 var(--font-display);
    letter-spacing: -0.05em;
}
.dl h2 {
    margin: 0.5rem 0 0.75rem;
    font: 300 clamp(1.375rem, 2vw, 1.75rem)/1.12 var(--font-display);
    letter-spacing: -0.03em;
}
.dl-lead {
    color: var(--ink);
    font: 300 1.25rem/1.4 var(--font-display);
}
.dl .dl-platform-note {
    margin-top: 0.75rem;
    color: var(--ink-2);
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* Buttons: ink plate with ground-coloured text, square, Necto. */
.dl .dl-button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 3.5rem;
    padding: 1rem 1.25rem;
    border: 1px solid var(--ink);
    border-radius: 0;
    background: var(--ink);
    color: var(--bg);
    font: 400 0.75rem/1.4 var(--font-mono);
    letter-spacing: 0.04em;
    text-decoration: none;
    cursor: pointer;
    transition: opacity var(--dur-fast, 120ms) ease, background-color var(--dur-fast, 120ms) ease, color var(--dur-fast, 120ms) ease;
}
.dl .dl-button:hover { opacity: 0.82; }
.dl .dl-button:active { transform: translateY(1px); }
.dl .dl-button--quiet { background: transparent; color: var(--ink); }
.dl .dl-button--quiet:hover { opacity: 1; background: var(--ink); color: var(--bg); }
.dl .dl-button:disabled { opacity: 0.55; cursor: progress; }
.dl .dl-button--soon:disabled { opacity: 0.72; cursor: not-allowed; }
.dl .dl-button .icon { width: 1rem; height: 1rem; flex: none; }

.dl .dl-text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 1rem;
    font: 400 0.75rem/1.6 var(--font-mono);
    letter-spacing: 0.04em;
}
.dl-text-link .icon { width: 0.875rem; height: 0.875rem; }

/* Header */
.dl-head { margin-bottom: 1rem; }

/* Download strip: status on the left, one segment per file on the right.
   The accent rule is the page's only accent; it pulses only while autostart waits. */
.dl-strip {
    position: relative;
    display: grid;
    grid-template-columns: minmax(9rem, 0.6fr) minmax(0, 2fr);
    gap: 1.5rem;
    align-items: center;
    padding: 1.5rem;
    border: 1px solid var(--line);
    background: var(--bg-raised);
}
.dl-strip[data-count="1"] { grid-template-columns: minmax(0, 1fr) minmax(0, 26rem); }
.dl-strip::before {
    content: "";
    position: absolute;
    inset: -1px -1px auto;
    height: 3px;
    background: var(--signal, var(--ink));
}
.is-starting .dl-strip::before { animation: dl-pending 0.9s ease-in-out infinite alternate; }
@keyframes dl-pending { from { opacity: 1; } to { opacity: 0.25; } }
.dl-strip-status { min-width: 0; }
/* Side-by-side segments share one row grid so buttons and toggles line up
   whatever the summary length. */
.dl-files {
    display: grid;
    grid-auto-columns: minmax(0, 1fr);
    grid-auto-flow: column;
    grid-template-rows: repeat(5, auto);
    gap: 0 1.5rem;
    min-width: 0;
}
.dl-file {
    display: grid;
    grid-row: span 5;
    grid-template-rows: subgrid;
    align-content: start;
    min-width: 0;
}
.dl-file > .dl-meta { grid-row: 1; }
.dl-file > .dl-summary { grid-row: 2; }
.dl-file > .dl-button,
.dl-file > .dl-text-link { grid-row: 3; align-self: end; }
.dl-file > .dl-retry { grid-row: 4; }
.dl-file > .dl-help { grid-row: 5; }
.dl-files .dl-file + .dl-file { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.dl-summary {
    margin-top: 0.25rem;
    color: var(--ink-2);
    font-size: 0.9375rem;
    line-height: 1.45;
}
.dl-file .dl-button { width: 100%; margin-top: 0.875rem; }
.dl-file--unavailable .dl-summary { color: var(--ink); }
.dl .dl-retry { margin-top: 0.625rem; color: var(--ink-2); font-size: 0.875rem; line-height: 1.5; }

/* Columns: buy beside the release email; the email takes the full row without an offer. */
.dl-columns {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}
.dl-columns > :only-child { grid-column: 1 / -1; }
.dl-page--offer .dl-columns { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }
.dl-columns:has(> .dl-signup:only-child) { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.dl-columns > .dl-signup:only-child { grid-column: 2; }
.dl-offer,
.dl-extra,
.dl-signup {
    padding: 1.5rem;
    border: 1px solid var(--line);
    background: var(--bg-raised);
    box-shadow: inset 0 1px var(--ink);
}
.dl-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* Offer: the pitch on the left, the price and the buy action on the right. */
.dl-offer {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(19rem, 1.1fr);
    gap: 1.5rem;
}
.dl-offer-copy { display: flex; flex-direction: column; min-width: 0; }
.dl-offer-lead { color: var(--ink-2); font-size: 0.9375rem; line-height: 1.5; }
.dl-includes {
    margin: auto 0 0;
    padding: 1.5rem 0 0;
    list-style: none;
}
.dl-includes li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-top: 1px solid var(--line);
    color: var(--ink);
    font: 400 0.75rem/1.3 var(--font-mono);
    letter-spacing: 0.04em;
}
.dl-includes li:last-child { padding-bottom: 0; }
.dl-includes li::before {
    content: "";
    width: 0.375rem;
    height: 0.375rem;
    flex: none;
    background: var(--signal, var(--ink));
}
.dl-offer-buy {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding-left: 1.5rem;
    border-left: 1px solid var(--line);
}
.dl .dl-offer-tag {
    align-self: flex-start;
    padding: 0.3125rem 0.625rem;
    border: 1px solid var(--signal, var(--ink));
    color: var(--ink);
    font: 400 0.6875rem/1.3 var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.dl .dl-price {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.25rem 0.75rem;
    margin: 0.875rem 0 1.25rem;
}
.dl-price-now { font: 300 clamp(3rem, 5vw, 4rem)/0.95 var(--font-display); letter-spacing: -0.05em; }
.dl-price-currency { color: var(--ink-2); font: 400 0.6875rem/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.dl .dl-price { margin-bottom: 0.75rem; }
.dl-offer-license { margin-bottom: 1.25rem; color: var(--ink); font-size: 0.9375rem; line-height: 1.5; }
.dl-offer-buy .dl-button { width: 100%; gap: 0.75rem; margin-top: auto; padding-inline: 1rem; }
.dl-offer-buy .dl-button span { white-space: nowrap; }
.dl .dl-offer-trial { margin-top: 0.75rem; color: var(--ink-2); font-size: 0.875rem; line-height: 1.5; }
.dl-offer-buy .dl-disclosure { margin-top: 0.5rem; }

/* Without an offer: support, source, guide, and feedback links. */
.dl-extra { display: flex; flex-direction: column; }
.dl-extra ul { margin: auto 0 0; padding: 0.5rem 0 0; list-style: none; }
.dl .dl-extra-link {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.125rem 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--line);
    text-decoration: none;
}
.dl-extra li:last-child .dl-extra-link { padding-bottom: 0; }
.dl-extra-title { font: 300 1.375rem/1.2 var(--font-display); letter-spacing: -0.02em; }
.dl-extra-link .dl-meta { grid-column: 1; }
.dl-extra-link .icon { grid-column: 2; grid-row: 1 / span 2; width: 1rem; height: 1rem; }
.dl-extra-link:hover .dl-extra-title { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }

/* Release email: fills its column so neither card leaves a hole. */
.dl-signup { display: flex; flex-direction: column; }
.dl-form { display: flex; flex: 1; flex-direction: column; }
.dl-form .dl-disclosure { margin-top: auto; padding-top: 1rem; }
.dl-field label { display: block; margin-bottom: 0.5rem; }
.dl-email-row { display: flex; gap: 0.5rem; }
.dl-email-row input {
    min-width: 0;
    flex: 1;
    min-height: 3.5rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--line);
    border-radius: 0;
    background: var(--bg);
    color: var(--ink);
    font: 400 1rem/1.4 var(--font-display);
}
.dl-email-row input::placeholder { color: var(--ink-3); }
.dl-email-row input:focus { border-color: var(--ink); outline: none; }
.dl-email-row input:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.dl-email-row input[aria-invalid="true"] { border-color: var(--ink); }
.dl-email-row .dl-button { flex: none; }

.dl-fieldset {
    min-width: 0;
    margin: 1rem 0 0;
    padding: 0;
    border: 0;
}
.dl-fieldset legend { padding: 0; margin-bottom: 0.5rem; }
.dl-interests { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.5rem; }
.dl-interest {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    min-height: 2.75rem;
    padding: 0 0.75rem;
    background: var(--bg);
    border: 1px solid var(--line);
    color: var(--ink);
    font: 400 0.75rem/1 var(--font-mono);
    letter-spacing: 0.04em;
    cursor: pointer;
}
.dl-interest:has(input:checked) { border-color: var(--ink); }
.dl-interest input { width: 1rem; height: 1rem; margin: 0; accent-color: var(--ink); }

.dl .dl-disclosure {
    margin-top: 0.875rem;
    color: var(--ink-3);
    font-size: 0.75rem;
    line-height: 1.55;
}
.dl .dl-form-status {
    margin-top: 0.875rem;
    color: var(--ink);
    font: 400 0.75rem/1.6 var(--font-mono);
}
.dl-form-status:empty { display: none; }
.dl-honeypot {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

/* Per-file toggle inside the strip: requirements, install steps, checksum, other files. */
.dl-file .dl-help { margin-top: 0.75rem; border-top: 1px solid var(--line); }
.dl-help summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 2.5rem;
    padding-top: 0.25rem;
    cursor: pointer;
    color: var(--ink-2);
    font: 400 0.6875rem/1.4 var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    list-style: none;
}
.dl-help summary:hover { color: var(--ink); }
.dl-help summary::-webkit-details-marker { display: none; }
.dl-help summary::after {
    content: "+";
    color: var(--ink-2);
    font: 400 1rem/1 var(--font-mono);
}
.dl-help[open] summary::after { content: "\2212"; }
.dl-help-body { display: grid; gap: 0.5rem; padding: 0.25rem 0 0.5rem; }
.dl-help-body .dl-label { margin-top: 0.5rem; }
.dl .dl-requirements { color: var(--ink-2); font-size: 0.875rem; line-height: 1.5; }
.dl-help ol { margin: 0; padding-left: 1.125rem; color: var(--ink-2); font-size: 0.875rem; }
.dl-help li { margin: 0.375rem 0; line-height: 1.5; }
.dl-hash code { color: var(--ink-2); }
.dl-notes { font: 400 0.75rem/1.6 var(--font-mono); }
.dl-notes a { display: inline-flex; align-items: center; gap: 0.375rem; }
.dl-notes .icon { width: 0.875rem; height: 0.875rem; }
.dl-related { min-width: 0; }
.dl-related ul { margin: 0; padding: 0; list-style: none; }
.dl-related li { margin: 0.5rem 0; font-size: 0.875rem; }
.dl-related .dl-meta { display: block; }

.dl .dl-back {
    margin-top: 2rem;
    color: var(--ink-3);
    font: 400 0.75rem/1.6 var(--font-mono);
    letter-spacing: 0.04em;
}

/* Tablet: several files keep their columns under the status; one file stays a single row. */
@media (max-width: 64rem) {
    .dl-strip:not([data-count="1"]),
    .dl-columns,
    .dl-page--offer .dl-columns,
    .dl-columns:has(> .dl-signup:only-child) { grid-template-columns: minmax(0, 1fr); }
    .dl-strip[data-count="1"] { grid-template-columns: minmax(0, 1fr) minmax(0, 22rem); }
    .dl-columns > .dl-signup:only-child { grid-column: auto; }
    .dl-strip { gap: 1.25rem; }
}
/* Phone: everything stacks. */
@media (max-width: 40rem) {
    .dl { width: calc(100% - 1.5rem); padding-top: calc(var(--shell-height, 8.5rem) + 1rem); }
    .dl-strip[data-count="1"] { grid-template-columns: minmax(0, 1fr); }
    .dl-files { grid-auto-flow: row; grid-template-rows: none; gap: 1.25rem; }
    .dl-file { display: flex; flex-direction: column; grid-row: auto; }
    .dl-files .dl-file + .dl-file { padding: 1.25rem 0 0; border-left: 0; border-top: 1px solid var(--line); }
    .dl-strip,
    .dl-offer,
    .dl-extra,
    .dl-signup { padding: 1.25rem; }
    .dl-offer { grid-template-columns: minmax(0, 1fr); }
    .dl-offer-buy { padding: 1.25rem 0 0; border-left: 0; border-top: 1px solid var(--line); }
    .dl-email-row { display: grid; grid-template-columns: 1fr; }
    .dl .dl-button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    .dl .dl-button { transition: none; }
    .dl .dl-button:active { transform: none; }
    .is-starting .dl-strip::before { animation: none; }
}