/* Shared styles for docs.html, faq.html subpages */

/* ─── Page Header ────────────────────────── */
.page-header {
    padding: 130px 0 50px;
    text-align: center;
    position: relative;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: 0.2px;
    margin-bottom: 12px;
}

.page-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ─── Doc Sections ───────────────────────── */
.doc-section {
    padding: 70px 0;
}

.doc-section.alt-bg {
    background: rgba(15, 22, 32, 0.5);
}

.doc-section h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-lead {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 720px;
    line-height: 1.7;
    margin-bottom: 40px;
}

kbd {
    display: inline-block;
    padding: 2px 8px;
    font-size: 13px;
    font-family: inherit;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 6px;
    color: var(--txt);
}

/* ─── Getting Started Steps ──────────────── */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.step-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    background-color: var(--card-bg-flat);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 28px;
    transition: all 0.3s ease;
}

.step-card:hover {
    border-color: rgba(73, 198, 191, 0.3);
    transform: translateY(-2px);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(73, 198, 191, 0.14);
    color: var(--teal);
    font-weight: 800;
    font-size: 16px;
    margin-bottom: 14px;
}

.step-card h3 {
    font-size: 18px;
    font-weight: 750;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ─── Documentation Grid ─────────────────── */
.doc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 8px;
}

.category-title {
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--teal);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(73, 198, 191, 0.2);
}

.doc-card {
    display: flex;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.doc-card:last-child {
    border-bottom: none;
}

.doc-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(73, 198, 191, 0.08);
    color: var(--teal);
}

.doc-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--txt);
}

.doc-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ─── Formats Grid ───────────────────────── */
.formats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 28px;
}

.format-group {
    background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent);
    background-color: var(--card-bg-flat);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 24px;
}

.format-group h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--teal);
    margin-bottom: 14px;
}

.format-group ul {
    list-style: none;
    padding: 0;
}

.format-group li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 5px 0;
    line-height: 1.5;
}

/* ─── Integration Grid ───────────────────── */
.integration-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 28px;
}

.integration-item {
    background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent);
    background-color: var(--card-bg-flat);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 28px;
}

.integration-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
}

.integration-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ─── FAQ Styles ─────────────────────────── */
.faq-container {
    max-width: 800px;
}

.faq-category {
    margin-bottom: 48px;
}

.faq-category h2 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
}

.faq-item {
    border: 1px solid var(--line);
    border-radius: 14px;
    margin-bottom: 10px;
    background: rgba(18, 28, 40, 0.5);
    transition: all 0.3s ease;
    overflow: hidden;
}

.faq-item[open] {
    border-color: rgba(73, 198, 191, 0.25);
    background: rgba(18, 28, 40, 0.8);
}

.faq-item summary {
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 650;
    cursor: pointer;
    color: var(--txt);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: color 0.2s ease;
}

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

.faq-item summary::after {
    content: '+';
    font-size: 20px;
    font-weight: 400;
    color: var(--teal);
    flex-shrink: 0;
    margin-left: 16px;
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    content: '\2212';  /* minus sign */
}

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

.faq-answer {
    padding: 0 20px 18px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-answer p {
    margin-bottom: 10px;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer ul, .faq-answer ol {
    padding-left: 20px;
    margin: 8px 0;
}

.faq-answer li {
    padding: 3px 0;
    line-height: 1.6;
}

.faq-answer code {
    background: rgba(255,255,255,0.06);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--teal);
}

.faq-answer a {
    color: var(--teal);
    text-decoration: none;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* ─── Active nav link ────────────────────── */
.nav-menu a.active {
    color: var(--teal);
}

/* ─── Responsive ─────────────────────────── */
@media (max-width: 768px) {
    .page-header {
        padding: 110px 0 40px;
    }

    .page-header h1 {
        font-size: 30px;
    }

    .steps-grid,
    .formats-grid,
    .integration-grid {
        grid-template-columns: 1fr;
    }

    .doc-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}