/* Page support (FR/EN/IT). S'appuie sur /fr/contact/contact.css pour les champs du formulaire. */
.support-page {
    --sp-ink: #1e1b4b;
    --sp-muted: #545a78;
    --sp-line: rgba(99, 102, 252, 0.2);
    --sp-soft: #f4f2ff;
    --sp-accent: #6366fc;
    --sp-accent-2: #a254d2;
    --sp-surface: rgba(255, 255, 255, 0.86);
    max-width: 980px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 48px clamp(20px, 4vw, 44px) 48px;
    margin-bottom: 28px;
}

main:has(> .support-page) > #back-to-top {
    margin: 0 auto 48px;
}

html:has(.support-page) {
    scroll-behavior: smooth;
}

.support-page .support-faq-group.is-arriving,
.support-page #ecrire.is-arriving {
    animation: support-arrive 0.8s ease-out;
}

@keyframes support-arrive {
    0% { filter: drop-shadow(0 0 0 rgba(99, 102, 252, 0)); }
    35% { filter: drop-shadow(0 0 18px rgba(99, 102, 252, 0.32)); }
    100% { filter: drop-shadow(0 0 0 rgba(99, 102, 252, 0)); }
}

.support-page .support-section {
    margin-top: 34px;
    scroll-margin-top: 110px;
}

.support-page .support-section > h2 {
    margin: 0 0 6px;
    padding: 0;
    border: 0;
    color: var(--sp-ink);
    font-size: clamp(22px, 3vw, 28px);
    text-align: left;
}

.support-page .support-section > .support-intro {
    margin: 0 0 16px;
    color: var(--sp-muted);
    text-align: left;
}

/* ---------- En-tête ---------- */
.support-hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 18px;
}

.support-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    border: 1px solid var(--sp-line);
    border-radius: 999px;
    background: var(--sp-surface);
    color: var(--sp-ink);
    font-weight: 750;
    text-decoration: none;
}

.support-page a.support-btn:hover,
.support-page a.support-btn:focus-visible {
    border-color: var(--sp-accent);
    color: var(--sp-ink);
    text-decoration: none;
}

.support-btn--primary {
    border: 0;
    background: linear-gradient(135deg, var(--sp-accent), var(--sp-accent-2));
    box-shadow: 0 12px 26px rgba(99, 102, 252, 0.3);
    color: #ffffff;
}

.support-page a.support-btn--primary:hover,
.support-page a.support-btn--primary:focus-visible {
    color: #ffffff;
}

.support-btn svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.support-promise {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 18px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
    color: var(--sp-muted);
    font-size: 14px;
    font-weight: 650;
}

.support-promise li::before {
    content: "✓ ";
    color: var(--sp-accent);
    font-weight: 900;
}

/* ---------- Sujets ---------- */
.support-topics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.support-topic {
    display: flex;
    flex-direction: column;
    gap: 6px;
    height: 100%;
    padding: 16px;
    border: 1px solid var(--sp-line);
    border-radius: 16px;
    background: var(--sp-surface);
    color: var(--sp-ink);
    text-align: left;
    text-decoration: none;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.support-page a.support-topic:hover,
.support-page a.support-topic:focus-visible,
.support-topic.is-selected {
    border-color: var(--sp-accent);
    box-shadow: 0 12px 24px rgba(99, 102, 252, 0.14);
    color: var(--sp-ink);
    text-decoration: none;
    transform: translateY(-2px);
}

.support-topic__icon {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--sp-accent), var(--sp-accent-2));
    color: #ffffff;
}

.support-topic__icon svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.support-topic strong {
    font-size: 15.5px;
}

.support-topic span:last-child {
    color: var(--sp-muted);
    font-size: 13.5px;
    line-height: 1.45;
}

/* ---------- Questions fréquentes ---------- */
.support-faq-group {
    margin-top: 18px;
    scroll-margin-top: 110px;
}

.support-faq-group > h3 {
    margin: 0 0 8px;
    color: var(--sp-accent);
    font-size: 13px;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-align: left;
    text-transform: uppercase;
}

.support-faq-item {
    margin-bottom: 8px;
    border: 1px solid var(--sp-line);
    border-radius: 14px;
    background: var(--sp-surface);
    text-align: left;
}

.support-faq-item[open] {
    background: var(--sp-soft);
}

.support-faq-item summary {
    position: relative;
    padding: 13px 44px 13px 16px;
    color: var(--sp-ink);
    font-weight: 750;
    list-style: none;
    cursor: pointer;
}

.support-faq-item summary::-webkit-details-marker {
    display: none;
}

.support-faq-item summary::after {
    content: "+";
    position: absolute;
    top: 50%;
    right: 16px;
    color: var(--sp-accent);
    font-size: 20px;
    font-weight: 700;
    line-height: 1;
    transform: translateY(-50%);
    transition: transform 0.2s ease;
}

.support-faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.support-faq-item > div {
    padding: 0 16px 14px;
}

.support-faq-item[open] > div {
    animation: support-answer-in 0.3s ease-out both;
}

@keyframes support-answer-in {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.support-page .support-faq-item p {
    margin: 0 0 8px;
    color: var(--sp-muted);
    line-height: 1.55;
    text-align: left;
}

.support-faq-write {
    display: inline-block;
    font-size: 13.5px;
    font-weight: 750;
}

/* ---------- Formulaire ---------- */
.support-form-card {
    padding: clamp(18px, 3vw, 28px);
    border: 1px solid var(--sp-line);
    border-radius: 20px;
    background: var(--sp-surface);
    box-shadow: 0 16px 36px rgba(67, 56, 202, 0.08);
    text-align: left;
}

.support-form-card .form-row small {
    display: block;
    margin-top: 4px;
    color: var(--sp-muted);
    font-size: 12.5px;
}

.support-form-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 16px;
    margin-top: 6px;
}

.support-status {
    margin: 12px 0 0;
    padding: 10px 14px;
    border-radius: 12px;
    background: var(--sp-soft);
    color: var(--sp-ink);
    font-weight: 650;
}

.support-status[data-kind="success"] {
    background: #e7f8ef;
    color: #146c43;
}

.support-status[data-kind="error"] {
    background: #fdecee;
    color: #a1263a;
}

/* ---------- Autres moyens ---------- */
.support-ways {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.support-way {
    padding: 16px;
    border: 1px solid var(--sp-line);
    border-radius: 16px;
    background: var(--sp-surface);
    text-align: left;
}

.support-page .support-way h3 {
    margin: 0 0 6px;
    color: var(--sp-ink);
    font-size: 16px;
}

.support-page .support-way p,
.support-page .support-way li {
    margin: 0;
    color: var(--sp-muted);
    font-size: 14px;
    line-height: 1.55;
    text-align: left;
}

.support-way ul {
    margin: 0;
    padding-left: 18px;
}

/* ---------- Priorité sur les styles génériques de la page contact ---------- */
.contact-page.support-page a.support-btn,
.contact-page.support-page a.support-topic {
    color: var(--sp-ink);
    font-weight: inherit;
    text-decoration: none;
}

.contact-page.support-page a.support-btn {
    font-weight: 750;
}

.contact-page.support-page a.support-btn--primary,
.contact-page.support-page a.support-btn--primary:hover,
.contact-page.support-page a.support-btn--primary:focus-visible {
    color: #ffffff;
    text-decoration: none;
}

.contact-page.support-page a.support-btn:hover,
.contact-page.support-page a.support-topic:hover {
    text-decoration: none;
}

.contact-page.support-page .support-way ul {
    display: block;
    margin: 0;
    padding-left: 18px;
    list-style: disc;
}

.contact-page.support-page .support-way li {
    display: list-item;
    margin: 0 0 4px;
}

.support-form-card .form-row .support-optional {
    display: inline;
    margin: 0;
    font-weight: 600;
}

/* ---------- Thème sombre ---------- */
[data-theme="dark"] .support-page {
    --sp-ink: #ffffff;
    --sp-muted: rgba(243, 234, 255, 0.76);
    --sp-line: rgba(196, 181, 253, 0.24);
    --sp-soft: rgba(167, 139, 250, 0.12);
    --sp-accent: #a5a7ff;
    --sp-surface: rgba(30, 24, 48, 0.88);
}

[data-theme="dark"] .support-status[data-kind="success"] {
    background: rgba(20, 108, 67, 0.3);
    color: #9ff0c8;
}

[data-theme="dark"] .support-status[data-kind="error"] {
    background: rgba(161, 38, 58, 0.3);
    color: #ffb3c0;
}

@media (max-width: 860px) {
    .support-topics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .support-ways {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 420px) {
    .support-topics {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    html:has(.support-page) { scroll-behavior: auto; }
    .support-page .support-faq-group.is-arriving,
    .support-page #ecrire.is-arriving,
    .support-faq-item[open] > div { animation: none; }
    .support-topic,
    .support-faq-item summary::after {
        transition: none;
    }
}

.support-page .support-ways + .support-intro {
    margin-top: 16px;
}