/* ============================================================
   Quillon Support — Additional Styles
   Extends the shared design system from ../styles.css
   ============================================================ */

/* --- Support Hero --- */
.support-hero {
    padding: 160px 24px 60px;
    text-align: center;
    position: relative;
    background: var(--gradient-hero);
}

.support-hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.1;
    margin-bottom: 12px;
}

.support-hero-sub {
    font-size: 17px;
    color: var(--fg-secondary);
    margin-bottom: 32px;
}

/* --- Search --- */
.search-wrapper {
    position: relative;
    max-width: 520px;
    margin: 0 auto;
}

.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--fg-muted);
    pointer-events: none;
}

.search-wrapper input {
    width: 100%;
    padding: 16px 20px 16px 50px;
    font-size: 16px;
    font-family: var(--font-sans);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--fg-primary);
    outline: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.search-wrapper input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-wrapper input::placeholder {
    color: var(--fg-muted);
}

/* --- Category Cards --- */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.category-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--fg-primary);
}

.category-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    color: var(--fg-primary);
}

.category-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.category-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.category-card p {
    font-size: 14px;
    color: var(--fg-secondary);
    line-height: 1.5;
}

/* --- FAQ Section --- */
.faq-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.faq-list {
    max-width: 760px;
    margin: 0 auto;
}

.faq-group {
    margin-bottom: 40px;
}

.faq-group-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent-light);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    background: none;
    border: none;
    color: var(--fg-primary);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-glass-hover);
}

.faq-chevron {
    flex-shrink: 0;
    color: var(--fg-muted);
    transition: transform var(--transition-base);
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1),
        padding 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 0 20px;
}

.faq-item.open .faq-answer {
    max-height: 600px;
    padding: 0 20px 20px;
}

.faq-answer p,
.faq-answer ol,
.faq-answer ul {
    font-size: 14px;
    color: var(--fg-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.faq-answer ol,
.faq-answer ul {
    padding-left: 20px;
}

.faq-answer li {
    margin-bottom: 8px;
}

.faq-answer code {
    background: var(--bg-glass);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 13px;
    border: 1px solid var(--border-color);
}

.faq-answer a {
    color: var(--accent-light);
}

/* Shortcuts grid inside FAQ */
.shortcuts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
}

.shortcut-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 0;
}

.shortcut-row kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    color: var(--fg-primary);
    white-space: nowrap;
}

.shortcut-row span {
    font-size: 13px;
    color: var(--fg-secondary);
}

/* --- Contact Section --- */
.contact-section {
    text-align: center;
}

.contact-card {
    max-width: 480px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.contact-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.contact-card h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.contact-card>p {
    font-size: 15px;
    color: var(--fg-secondary);
    margin-bottom: 24px;
}

.contact-email {
    margin-top: 16px;
    font-size: 13px;
    color: var(--fg-muted);
}

/* --- Search filtering --- */
.faq-item.hidden,
.faq-group.hidden,
.category-card.hidden {
    display: none;
}

.search-no-results {
    text-align: center;
    padding: 40px 20px;
    color: var(--fg-muted);
    font-size: 15px;
    display: none;
}

.search-no-results.visible {
    display: block;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .categories-grid {
        grid-template-columns: 1fr;
    }

    .shortcuts-grid {
        grid-template-columns: 1fr;
    }

    .contact-card {
        padding: 36px 24px;
    }

    .support-hero {
        padding: 120px 24px 40px;
    }
}