/* ============================================
   Subpages - Paper Material Layered Design
   ============================================ */

/* Page Hero */
.page-hero {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* About page */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 80px;
}

.about-text h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-image {
    position: relative;
}

.about-image-card {
    background: var(--card-white);
    border-radius: var(--radius-xl);
    padding: 20px;
    box-shadow: var(--shadow-lg), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
    position: relative;
}

.about-image-card::before,
.about-image-card::after {
    content: '';
    position: absolute;
    background: var(--card-white);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.about-image-card::before {
    inset: 6px -6px -6px 6px;
    box-shadow: var(--shadow-md);
    transform: rotate(2deg);
}

.about-image-card::after {
    inset: 12px -3px -12px 3px;
    box-shadow: var(--shadow-sm);
    transform: rotate(-1deg);
}

.about-image-inner {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    overflow: hidden;
}

.about-image-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.value-card {
    background: var(--card-white);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    box-shadow: var(--shadow-md), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), 4px 4px 0 rgba(0,0,0,0.04);
}

.value-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.value-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.value-card p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 64px 0;
}

.stat-card {
    background: var(--card-white);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    box-shadow: var(--shadow-md), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
    border-top: 4px solid var(--primary);
}

.stat-card .stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 600;
}

/* Contact page */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.contact-card {
    background: var(--card-white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-md), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), 4px 4px 0 rgba(0,0,0,0.04);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: var(--paper-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 16px;
    box-shadow: var(--shadow-xs), inset 0 -2px 0 rgba(0,0,0,0.04);
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 16px;
}

/* Contact form options */
.contact-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.contact-option {
    background: var(--card-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-md), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
    text-decoration: none;
    color: var(--text);
    transition: var(--transition);
}

.contact-option:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 3px 3px 0 rgba(0,0,0,0.04);
    color: var(--primary);
    border-color: var(--primary);
}

.contact-option-icon {
    width: 44px;
    height: 44px;
    background: var(--paper-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-xs);
}

.contact-option h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.contact-option p {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Pricing page extras */
.comparison-table {
    background: var(--card-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
    margin-bottom: 64px;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: left;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.comparison-table thead th {
    background: var(--primary);
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-table tbody tr:hover {
    background: rgba(61,90,128,0.03);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

/* FAQ */
.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-white);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-md), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
}

.faq-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.faq-item p {
    font-size: 0.92rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* Docs page */
.docs-content {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
}

.docs-sidebar {
    position: sticky;
    top: 90px;
    align-self: start;
    background: var(--card-white);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-md), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
}

.docs-sidebar h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px dashed rgba(0,0,0,0.08);
}

.docs-sidebar a {
    display: block;
    padding: 8px 12px;
    font-size: 0.88rem;
    color: var(--text);
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: var(--transition);
}

.docs-sidebar a:hover,
.docs-sidebar a.active {
    background: rgba(61,90,128,0.06);
    color: var(--primary);
}

.docs-main {
    min-width: 0;
}

.docs-section {
    background: var(--card-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
}

.docs-section h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--paper-bg);
}

.docs-section h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin: 20px 0 10px;
}

.docs-section p {
    font-size: 0.92rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 12px;
}

.docs-section ul {
    margin: 12px 0;
    padding-left: 24px;
}

.docs-section li {
    font-size: 0.92rem;
    color: var(--text-light);
    margin-bottom: 6px;
    line-height: 1.6;
}

/* Code blocks */
.code-block {
    background: var(--darker);
    border-radius: var(--radius-md);
    padding: 20px;
    margin: 16px 0;
    overflow-x: auto;
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.05);
    border: 1px solid rgba(0,0,0,0.1);
    position: relative;
}

.code-block::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--primary);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.code-block code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    color: #e4e4e7;
    line-height: 1.6;
    white-space: pre;
}

.code-label {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.inline-code {
    background: var(--paper-warm);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85em;
    color: var(--secondary);
    border: 1px solid rgba(0,0,0,0.06);
}

/* Notice / Alert */
.notice {
    background: var(--card-white);
    border-left: 4px solid var(--secondary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 16px 20px;
    margin: 20px 0;
    box-shadow: var(--shadow-sm);
}

.notice p {
    margin: 0;
    font-size: 0.9rem;
}

.notice strong {
    color: var(--secondary);
}

/* Legal pages */
.legal-document {
    background: var(--card-white);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-lg), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.legal-document::before,
.legal-document::after {
    content: '';
    position: absolute;
    background: var(--card-white);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.legal-document::before {
    inset: 4px -4px -4px 4px;
    box-shadow: var(--shadow-md);
    transform: rotate(0.5deg);
}

.legal-document::after {
    inset: 8px -2px -8px 2px;
    box-shadow: var(--shadow-sm);
    transform: rotate(-0.3deg);
}

.legal-document h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
    margin: 32px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px dashed rgba(0,0,0,0.08);
}

.legal-document h2:first-of-type {
    margin-top: 0;
}

.legal-document p {
    font-size: 0.92rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 12px;
}

.legal-document ul {
    margin: 8px 0 16px;
    padding-left: 24px;
}

.legal-document li {
    font-size: 0.92rem;
    color: var(--text-light);
    margin-bottom: 6px;
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 80px 0;
}

.cta-card {
    background: var(--primary);
    border-radius: var(--radius-xl);
    padding: 56px 40px;
    color: white;
    box-shadow: var(--shadow-xl), 6px 6px 0 var(--primary-dark);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%; right: -50%;
    width: 100%; height: 100%;
    background: rgba(255,255,255,0.03);
    border-radius: 50%;
}

.cta-card h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-card p {
    font-size: 1.05rem;
    opacity: 0.85;
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-card .btn-outline {
    border-color: white;
    color: white;
    box-shadow: var(--shadow-sm), 2px 2px 0 rgba(0,0,0,0.2);
}

.cta-card .btn-outline:hover {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-md), 3px 3px 0 rgba(0,0,0,0.2);
}

/* SDK cards */
.sdk-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.sdk-card {
    background: var(--card-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow-md), var(--shadow-paper);
    border: 1px solid rgba(0,0,0,0.04);
}

.sdk-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.sdk-card span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.sdk-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

/* Responsive subpages */
@media (max-width: 968px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-methods {
        grid-template-columns: 1fr;
    }

    .contact-options {
        grid-template-columns: 1fr;
    }

    .docs-content {
        grid-template-columns: 1fr;
    }

    .docs-sidebar {
        position: static;
    }

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

@media (max-width: 640px) {
    .page-hero h1 {
        font-size: 2rem;
    }

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

    .stats-row {
        grid-template-columns: 1fr;
    }

    .legal-document {
        padding: 28px 20px;
    }

    .docs-section {
        padding: 20px;
    }

    .cta-card {
        padding: 40px 24px;
    }

    .comparison-table {
        overflow-x: auto;
    }

    .comparison-table table {
        min-width: 600px;
    }
}