.support-hero { position: relative; isolation: isolate; overflow: hidden; padding-block: 4.5rem; background: radial-gradient(ellipse at 80% 20%, #dceaff, transparent 55%), linear-gradient(120deg, #f5f0ff, #ece3ff); }
.support-hero::before { position: absolute; z-index: -1; top: -240px; right: -210px; width: 850px; height: 850px; opacity: .45; background: url("../img/digital-ribbon.svg") center/contain no-repeat; content: ""; }
.support-hero .eyebrow { display: inline-flex; gap: .6rem; align-items: center; padding: .5rem .8rem; border: 1px solid #c9bce8; border-radius: 30px; background: #ffffffb3; }
.support-hero h1 { max-width: 880px; font-size: clamp(2.5rem, 4.5vw, 4rem); }
.support-hero .lead { max-width: 610px; }
.support-grid { display: grid; grid-template-columns: .9fr 1fr; align-items: start; gap: 5rem; }
.support-explanation .section-intro { margin: 1.5rem 0 2rem; }
.support-advice { display: flex; gap: .8rem; margin-top: 1.5rem; padding: 1.2rem; border: 1px solid var(--line); border-radius: 12px; background: #f9f7fe; }
.support-advice > span { color: var(--blue); font-size: 1.4rem; }
.support-advice p { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.8; }
.support-advice strong { color: var(--ink); }
.download-panel { padding: 2.2rem; border: 1px solid #d8cbee; border-radius: 24px; background: linear-gradient(155deg, #f4eeff, #fff 65%); box-shadow: 0 18px 45px #50369112; }
.download-heading { display: flex; align-items: center; gap: 1rem; margin-bottom: 2.3rem; }
.download-icon { display: grid; flex-shrink: 0; width: 48px; height: 48px; place-items: center; border-radius: 14px; background: linear-gradient(135deg, #7753cb, #467acc); color: #fff; font-size: 1.6rem; }
.download-heading h2 { font-size: 1.35rem; letter-spacing: -.025em; }
.download-heading p { margin: .4rem 0 0; color: var(--muted); font-size: .72rem; line-height: 1.6; }
#downloadForm { display: grid; gap: 1.3rem; }
#downloadForm fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
#downloadForm legend, .password-label { margin-bottom: .9rem; font-size: .8rem; font-weight: 600; }
.os-options { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.os-option { position: relative; cursor: pointer; }
.os-option input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.os-card { position: relative; display: flex; flex-direction: column; gap: .35rem; padding: 1.3rem; border: 2px solid #e1daec; border-radius: 14px; background: #fff; transition: border-color .2s, background .2s; }
.os-card svg { width: 30px; height: 30px; margin-bottom: .7rem; fill: none; stroke: var(--blue); stroke-width: 1.3; stroke-linejoin: round; stroke-linecap: round; }
.os-card strong { font-size: .95rem; }
.os-card small { color: var(--muted); font-size: .7rem; }
.os-option:hover .os-card { border-color: #a58acf; }
.os-option input:checked + .os-card { border-color: var(--blue); background: #eee5ff; }
.os-option input:focus-visible + .os-card { outline: 3px solid var(--blue); outline-offset: 4px; }
.selection-indicator { position: absolute; top: .8rem; right: .8rem; display: grid; width: 20px; height: 20px; place-items: center; border: 1px solid #cec3e0; border-radius: 50%; color: transparent; font-size: .75rem; }
.os-option input:checked + .os-card .selection-indicator { border-color: var(--blue); background: var(--blue); color: #fff; }
.password-label { display: grid; gap: .8rem; margin: .4rem 0 0; }
.password-label input { min-width: 0; width: 100%; padding: 1rem; border: 1px solid #c9c0d9; border-radius: 8px; background: #fff; color: var(--ink); font-size: .8rem; font-weight: 400; }
#password-help { margin: -.6rem 0 0; color: var(--muted); font-size: .72rem; line-height: 1.8; }
#password-help a { color: var(--blue-dark); text-decoration: underline; text-underline-offset: .15em; }
.download-success { padding: 1rem; border-left: 3px solid #37744d; border-radius: 4px; background: #eaf5ee; color: #255438; font-size: .8rem; line-height: 1.7; }
.download-security { display: flex; align-items: start; gap: .7rem; margin-top: 1.8rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.download-security svg { width: 22px; height: 22px; flex-shrink: 0; fill: none; stroke: var(--blue); stroke-width: 1.5; }
.download-security p { margin: 0; color: var(--muted); font-size: .7rem; line-height: 1.8; }
.download-security strong { color: var(--ink); font-weight: 600; }
.support-contact { display: flex; align-items: center; justify-content: space-between; gap: 3rem; padding: 2.8rem; margin-bottom: 5rem; border-radius: 24px; background: radial-gradient(ellipse at top right, #8c61cc, transparent 70%), linear-gradient(130deg, #5433a2, #3c3985); color: #fff; }
.support-contact .eyebrow { margin-bottom: .8rem; color: #e4d8fa; }
.support-contact h2 { font-size: 1.9rem; }
.support-contact p:not(.eyebrow) { max-width: 480px; color: #ece3ff; font-size: .85rem; line-height: 1.8; }
.support-contact-links { display: flex; flex-direction: column; align-items: start; gap: 1.3rem; }
.support-contact .button { border-color: #fff; background: #fff; color: var(--blue-dark); }
.support-contact .button:hover { background: #f1e9ff; }
.support-contact .text-link { border-color: #a58ccd; color: #fff; }
@media (max-width: 1000px) {
    .support-grid { gap: 2rem; }
    .download-panel { padding: 1.5rem; }
    .support-contact { gap: 2rem; padding: 2rem; }
}
@media (max-width: 760px) {
    .support-header { gap: 1rem; }
    .support-header .text-link { font-size: .65rem; gap: .4rem; }
    .support-hero { padding-block: 3rem; }
    .support-hero::before { right: -400px; opacity: .2; }
    .support-hero .eyebrow { font-size: .6rem; }
    .support-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .support-contact { flex-direction: column; align-items: start; gap: 1rem; padding: 1.5rem; margin-bottom: 3rem; }
    .support-contact-links .text-link { font-size: .75rem; gap: .5rem; }
}
@media (max-width: 400px) {
    .os-options { gap: .65rem; }
    .os-card { padding: 1rem; }
    .support-header .text-link { max-width: 95px; }
    .download-panel { padding: 1.1rem; }
}