:root {
    --ink: #222a35;
    --muted: #5f6b7a;
    --line: #cfd6de;
    --navy: #1b3a6b;
    --navy-d: #12294d;
    --red: #b3282d;
    --tint: #f3f6fa;
    --warn-bg: #fff6e5;
    --warn-line: #e3b04b;
    --warn-ink: #6b4500;
    --info-bg: #eaf2fb;
    --info-line: #8fb4e3
}

* {
    box-sizing: border-box
}

html {
    scroll-padding-top: env(safe-area-inset-top, 0px)
}

body {
    margin: 0;
    background: #e9edf2;
    color: var(--ink);
    font: 16px/1.55 "Helvetica Neue", Helvetica, Arial, sans-serif;
    padding: env(safe-area-inset-top, 0px) 0 env(safe-area-inset-bottom, 0px)
}

header {
    background: #fff;
    border-top: 8px solid var(--navy);
    padding: 40px 20px 28px;
    text-align: center;
    border-bottom: 1px solid #d3dae3
}

header h1 {
    margin: 0 auto 12px;
    max-width: 720px;
    font: 700 clamp(1.6rem, 4.5vw, 2.3rem)/1.2 "Libre Baskerville", Georgia, "Times New Roman", serif;
    color: var(--navy)
}

header p {
    margin: 0 auto;
    max-width: 620px;
    color: var(--muted);
    font-size: 1.05rem
}

main {
    max-width: 680px;
    margin: 0 auto;
    padding: 28px 16px 48px
}

.card {
    border: 1px solid #d3dae3;
    border-radius: 6px;
    padding: 24px;
    margin-bottom: 22px;
    background: #fff;
    box-shadow: 0 1px 3px rgba(20, 35, 60, .08), 0 4px 14px rgba(20, 35, 60, .06)
}

.step-h {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 16px;
    font: 700 1.25rem "Libre Baskerville", Georgia, "Times New Roman", serif;
    color: var(--navy)
}

.step-n {
    flex: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--navy);
    color: #fff;
    display: grid;
    place-items: center;
    font: 700 .95rem Helvetica, Arial, sans-serif
}

label {
    display: block;
    font-weight: 700;
    font-size: .9rem;
    margin: 16px 0 6px
}

.opt {
    font-weight: 400;
    color: var(--muted)
}

input,
select,
textarea {
    width: 100%;
    padding: 11px 12px;
    font: 1rem Helvetica, Arial, sans-serif;
    border: 1px solid #9aa5b3;
    border-radius: 3px;
    background: #fff;
    color: var(--ink)
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
.cta:focus-visible {
    outline: 3px solid #8fb4e3;
    outline-offset: 1px
}

textarea {
    min-height: 110px;
    resize: vertical
}

.row {
    display: flex;
    gap: 10px
}

.row input {
    flex: 1
}

button {
    cursor: pointer;
    border: 0;
    border-radius: 3px;
    padding: 11px 20px;
    font: 700 1rem Helvetica, Arial, sans-serif;
    background: var(--navy);
    color: #fff
}

button:hover {
    background: var(--navy-d)
}

button:disabled {
    opacity: .6;
    cursor: wait
}

.or {
    text-align: center;
    color: var(--muted);
    margin: 18px 0 0;
    font-size: .85rem
}

.notice {
    display: none;
    margin-top: 16px;
    padding: 12px 14px;
    border-left: 4px solid;
    border-radius: 0 3px 3px 0;
    font-size: .95rem;
    line-height: 1.5
}

.notice.info {
    background: var(--info-bg);
    border-color: var(--info-line)
}

.notice.warn {
    background: var(--warn-bg);
    border-color: var(--warn-line);
    color: var(--warn-ink)
}

.hdr {
    font-size: .9rem;
    color: var(--muted);
    margin-bottom: 12px;
    word-break: break-word
}

.hdr b {
    color: var(--ink)
}

.preview {
    white-space: pre-wrap;
    background: var(--tint);
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 18px;
    font: .98rem/1.6 Georgia, "Times New Roman", serif
}

.cta {
    display: block;
    text-align: center;
    text-decoration: none;
    margin-top: 18px;
    padding: 15px 18px;
    border-radius: 3px;
    background: var(--red);
    color: #fff;
    font: 700 1.05rem Helvetica, Arial, sans-serif
}

.cta:hover {
    background: #951f24
}

.cta[aria-disabled="true"] {
    pointer-events: none;
    background: #b9c0ca
}

.remind {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: 3px;
    background: var(--warn-bg);
    border: 1px solid var(--warn-line);
    color: var(--warn-ink);
    font-size: .93rem;
    line-height: 1.5
}

footer {
    text-align: center;
    color: var(--muted);
    font-size: .85rem;
    padding: 0 16px 32px
}

summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--navy);
    padding: 2px 0 10px;
    list-style-position: inside
}

details[open] summary {
    padding-bottom: 12px
}

.remind-s {
    display: none
}

@media (max-width:600px) {
    header {
        border-top-width: 6px;
        padding: 16px 16px 14px
    }

    header h1 {
        font-size: 1.3rem;
        margin-bottom: 6px
    }

    header p {
        font-size: .92rem;
        line-height: 1.4
    }

    main {
        padding: 12px 10px 24px
    }

    .card {
        padding: 16px;
        margin-bottom: 12px
    }

    .step-h {
        font-size: 1.1rem;
        margin-bottom: 10px
    }

    .step-n {
        width: 26px;
        height: 26px;
        font-size: .85rem
    }

    label {
        margin-top: 12px
    }

    input,
    select,
    textarea {
        padding: 10px
    }

    textarea {
        min-height: 76px
    }

    .or {
        margin: 10px 0 0
    }

    .notice {
        margin-top: 12px;
        padding: 10px 12px;
        font-size: .9rem
    }

    .preview {
        padding: 14px;
        font-size: .93rem
    }

    .sendbar {
        position: sticky;
        bottom: 0;
        margin: 12px -16px -16px;
        padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
        background: #fff;
        border-top: 1px solid var(--line);
        box-shadow: 0 -4px 12px rgba(20, 35, 60, .1);
        border-radius: 0 0 6px 6px
    }

    .sendbar .cta {
        margin-top: 0;
        padding: 13px
    }

    .remind-s {
        display: block;
        margin-top: 6px;
        text-align: center;
        font-size: .8rem;
        color: var(--warn-ink)
    }

    .remind {
        display: none
    }

    footer {
        padding-bottom: 20px
    }
}

@media (max-width:480px) {
    .row {
        flex-direction: column
    }
}