/* The barrel signing sign-up: mobile first, PHAT's navy and amber. */
:root {
    --navy: #0f172a;
    --navy-soft: #1e293b;
    --amber: #f59e0b;
    --amber-deep: #b45309;
    --ink: #0f172a;
    --muted: #475569;
    --line: #cbd5e1;
    --paper: #f8fafc;
    --card: #ffffff;
    --error: #b91c1c;
    color-scheme: light;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 400 1.0625rem/1.6 Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

a { color: var(--amber-deep); }

.masthead {
    background: var(--navy);
    border-bottom: 4px solid var(--amber);
    padding: 16px;
}

.masthead__logo {
    display: block;
    margin: 0 auto;
    max-width: 720px;
}

.masthead__logo img {
    display: block;
    height: auto;
    max-width: 220px;
    width: 100%;
}

.page {
    margin: 0 auto;
    max-width: 720px;
    padding: 24px 16px 48px;
}

.intro h1 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.2;
    margin: 0 0 16px;
}

.intro h2 {
    font-size: 1.125rem;
    font-weight: 800;
    margin: 24px 0 4px;
}

.intro p,
.intro ul { margin: 0 0 12px; }

.intro ul { padding-left: 1.25rem; }

.intro__kicker {
    color: var(--amber-deep);
    font-size: 0.8125rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin: 0 0 4px !important;
    text-transform: uppercase;
}

.status {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    margin: 24px 0 0;
    padding: 16px;
}

.signup { margin-top: 28px; }

.signup__required {
    color: var(--muted);
    font-size: 0.9375rem;
    margin: 0 0 12px;
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    margin: 0 0 16px;
    min-width: 0;
    padding: 16px;
}

.card > legend {
    background: var(--navy);
    border-radius: 999px;
    color: #fff;
    font-size: 0.875rem;
    font-weight: 700;
    padding: 4px 12px;
}

.card--plain { padding: 16px; }

.hint,
.field__hint {
    color: var(--muted);
    font-size: 0.9375rem;
    margin: 0 0 8px;
}

.grid {
    display: grid;
    gap: 0 16px;
    grid-template-columns: 1fr;
}

.field {
    border: 0;
    margin: 0 0 16px;
    min-width: 0;
    padding: 0;
}

.field:last-child { margin-bottom: 0; }

.field__label {
    display: block;
    font-weight: 600;
    margin: 0 0 6px;
    padding: 0;
}

.field__mark { color: var(--error); }

input[type='text'],
input[type='tel'],
input[type='email'] {
    -webkit-appearance: none;
    appearance: none;
    background: #fff;
    border: 1px solid #94a3b8;
    border-radius: 8px;
    color: var(--ink);
    font: inherit;
    min-height: 48px;
    padding: 10px 12px;
    width: 100%;
}

input:focus-visible,
.choice:focus-within,
.check:focus-within,
.button:focus-visible {
    outline: 3px solid var(--amber);
    outline-offset: 2px;
}

input[aria-invalid='true'] { border-color: var(--error); }

.field__error {
    color: var(--error);
    font-size: 0.9375rem;
    font-weight: 600;
    margin: 6px 0 0;
}

.choices {
    display: grid;
    gap: 8px;
}

.choices--row { grid-template-columns: 1fr 1fr; }

.choice,
.check {
    align-items: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    gap: 12px;
    min-height: 48px;
    padding: 10px 12px;
}

.check { align-items: flex-start; font-size: 0.9375rem; }

.choice:has(input:checked) {
    background: #fffbeb;
    border-color: var(--amber);
}

.choice input,
.check input {
    accent-color: var(--navy);
    flex: none;
    height: 22px;
    margin: 0;
    width: 22px;
}

.check input { margin-top: 2px; }

.veteran {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 0 0 16px;
    min-width: 0;
    padding: 16px 0 0;
}

.veteran:first-of-type { border-top: 0; padding-top: 4px; }

.veteran > legend {
    font-weight: 800;
    padding: 0;
}

.veteran .grid { margin-top: 8px; }

.button {
    background: var(--amber);
    border: 0;
    border-radius: 10px;
    color: var(--navy);
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    min-height: 52px;
    padding: 12px 20px;
    width: 100%;
}

.button:hover { background: #fbbf24; }

.button:disabled { cursor: progress; opacity: 0.7; }

.button--quiet {
    background: transparent;
    border: 2px dashed var(--line);
    color: var(--navy);
    font-weight: 700;
}

.button--quiet:hover { background: #f1f5f9; }

.alert {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 10px;
    color: var(--error);
    font-weight: 600;
    margin: 0 0 16px;
    padding: 12px 16px;
}

.turnstile { margin: 8px 0 16px; min-height: 0; }

.trap {
    height: 1px;
    left: -10000px;
    overflow: hidden;
    position: absolute;
    width: 1px;
}

.done {
    background: var(--card);
    border: 1px solid var(--line);
    border-left: 6px solid var(--amber);
    border-radius: 12px;
    margin-top: 28px;
    padding: 20px;
}

.done h2 { margin: 0 0 8px; }

.done:focus { outline: none; }

.footer {
    color: var(--muted);
    font-size: 0.875rem;
    padding: 0 16px 32px;
    text-align: center;
}

[hidden] { display: none !important; }

@media (min-width: 640px) {
    .masthead { padding: 20px 24px; }
    .masthead__logo img { max-width: 280px; }
    .page { padding: 40px 24px 64px; }
    .intro h1 { font-size: 2.25rem; }
    .card { padding: 20px 24px 24px; }
    .grid { grid-template-columns: 1fr 1fr; }
    .grid--veteran { grid-template-columns: 2fr 1fr 1fr; }
    .grid--veteran .field { margin-bottom: 0; }
    .button { width: auto; min-width: 200px; }
    .button--quiet { width: 100%; }
}