/* ============================================================
   FAQ PAGE — vpn_d1_shield (Archetype D)
   Class prefix: sn-
   Content-only styles (shared styles loaded via style.css)
   ============================================================ */

/* ============================================================
   PAGE BANNER
   ============================================================ */
.sn-page-banner {
    padding: 160px 0 80px;
    background: linear-gradient(160deg, #0f1729 0%, var(--bg-dark) 50%, #0f1729 100%);
    text-align: center;
}

.sn-banner-content {
    max-width: 760px;
    margin: 0 auto;
}

.sn-banner-heading {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    color: #ffffff;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.sn-banner-intro {
    font-size: 1.188rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.sn-faq-section {
    padding: 100px 0;
    background-color: var(--bg-white);
}

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

.sn-faq-item {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-lg);
    margin-bottom: 12px;
    background-color: var(--bg-white);
    overflow: hidden;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.sn-faq-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: color-mix(in srgb, var(--primary-color) 40%, var(--border-color));
}

.sn-faq-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    transition: color 0.2s ease;
}

.sn-faq-trigger:hover {
    color: var(--primary-color);
}

.sn-faq-trigger[aria-expanded="true"] {
    color: var(--primary-color);
}

.sn-faq-question {
    flex: 1;
    margin-right: 16px;
}

.sn-faq-chevron {
    flex-shrink: 0;
    color: var(--text-muted);
    transition: transform 0.3s ease, color 0.3s ease;
}

.sn-faq-trigger[aria-expanded="true"] .sn-faq-chevron {
    transform: rotate(180deg);
    color: var(--primary-color);
}

.sn-faq-panel {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease ease;
}

.sn-faq-panel[hidden] {
    display: block;
    max-height: 0;
    visibility: hidden;
}

.sn-faq-panel.sn-faq-panel--open {
    visibility: visible;
}

.sn-faq-answer {
    padding: 0 24px 20px;
    font-size: 0.938rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ============================================================
   CLOSING CTA
   ============================================================ */
.sn-closing-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    text-align: center;
}

.sn-cta-heading {
    font-size: 2.5rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.sn-cta-desc {
    font-size: 1.125rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    max-width: 560px;
    margin: 0 auto 36px;
}

/* ── Details/Summary FAQ support ── */
details.sn-faq-item summary.sn-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    list-style: none;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}
details.sn-faq-item summary.sn-faq-question::-webkit-details-marker { display: none; }
details.sn-faq-item summary.sn-faq-question::marker { content: ''; }
details.sn-faq-item summary.sn-faq-question::after {
    content: '+';
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}
details.sn-faq-item[open] summary.sn-faq-question::after {
    content: '\2212';
}
.sn-faq-answer {
    padding: 0 24px 20px;
}
.sn-faq-answer p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================================
   RESPONSIVE — 768px
   ============================================================ */
@media (max-width: 768px) {
    .sn-page-banner { padding: 128px 0 60px; }
    .sn-banner-heading { font-size: 2.25rem; }
    .sn-banner-intro { font-size: 1.063rem; }

    .sn-faq-section,
    .sn-closing-cta {
        padding: 72px 0;
    }

    .sn-cta-heading { font-size: 2rem; }
}

/* ============================================================
   RESPONSIVE — 480px
   ============================================================ */
@media (max-width: 480px) {
    .sn-page-banner { padding: 112px 0 48px; }
    .sn-banner-heading { font-size: 1.875rem; }
    .sn-banner-intro { font-size: 0.938rem; }

    .sn-faq-trigger {
        padding: 16px 20px;
        font-size: 0.938rem;
    }

    .sn-faq-answer {
        padding: 0 20px 16px;
        font-size: 0.875rem;
    }

    .sn-faq-section,
    .sn-closing-cta {
        padding: 56px 0;
    }

    .sn-cta-heading { font-size: 1.625rem; }
    .sn-cta-desc { font-size: 1rem; }
}

/* ============================================================
   PRINT
   ============================================================ */

/* ── Section headers for extra content ── */
.sn-section-title {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.sn-section-intro {
    font-size: 1.063rem;
    line-height: 1.7;
    text-align: center;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 48px;
}

/* ── Extra sections spacing ── */
.sn-features-section {
    padding: 100px 0;
    margin-top: 40px;
}
.sn-features-section:nth-of-type(even) {
    background-color: var(--bg-light);
}

/* ── Flexible grid for variable card counts ── */
.sn-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

/* ── Feature highlight full-width in grid ── */
.sn-features-grid > .sn-feature-highlight {
    grid-column: 1 / -1;
    margin-top: 0;
}

/* ── Feature highlight component ── */
.sn-feature-highlight {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-top: 40px;
    padding: 40px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: translateY(20px);
}
.sn-feature-highlight.sn-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.sn-highlight-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    color: var(--primary-color);
}
.sn-highlight-body {
    flex: 1;
}

@media (max-width: 768px) {
    .sn-section-title { font-size: 1.75rem; }
    .sn-features-section { padding: 72px 0; }
    .sn-feature-highlight {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 32px 24px;
    }
}
@media (max-width: 480px) {
    .sn-section-title { font-size: 1.5rem; }
    .sn-features-section { padding: 56px 0; }
}

/* ============================================================
   FAQ ITEMS 6-20 — outside .sn-faq-list container
   Constrain width and add spacing to match items 1-5
   ============================================================ */
main > .sn-faq-item {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 0;
    padding-right: 0;
}

main > .sn-faq-item:first-of-type {
    margin-top: 0;
}

@media (max-width: 768px) {
    main > .sn-faq-item {
        margin-left: 24px;
        margin-right: 24px;
    }
}

@media (max-width: 480px) {
    main > .sn-faq-item {
        margin-left: 16px;
        margin-right: 16px;
    }
}

@media print {
    .sn-page-banner { padding-top: 40px; }

    .sn-faq-panel {
        display: block !important;
        max-height: none !important;
        visibility: visible !important;
    }

    .sn-faq-panel[hidden] {
        display: block;
        max-height: none;
        visibility: visible;
    }
}