/* ============================================
   GUIDE PAGES - Tutorial Content Styles
   Extends shared.css and resource-common.css
   ============================================ */

/* ============================================
   HERO SECTION
   ============================================ */

.guide-hero {
    text-align: center;
    padding: 48px 24px 32px;
    background: linear-gradient(135deg, var(--card) 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--border);
}

.guide-hero h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    margin: 0 0 12px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.guide-hero .subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin: 0 0 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.guide-hero .cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.guide-hero .primary-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--primary);
    color: white;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(20, 184, 166, 0.4);
    transition: all 0.2s;
}

.guide-hero .primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(20, 184, 166, 0.5);
}

.guide-hero .secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--card);
    color: var(--text);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--border);
    border-radius: 12px;
    transition: all 0.2s;
}

.guide-hero .secondary-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ============================================
   GUIDE CONTENT SECTIONS
   ============================================ */

.guide-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 24px;
}

.guide-section {
    margin-bottom: 48px;
}

.guide-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.guide-section h2 .step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    font-size: 18px;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.guide-section h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    margin: 24px 0 12px;
}

.guide-section p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin: 0 0 16px;
}

.guide-section ul,
.guide-section ol {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin: 0 0 16px;
    padding-left: 24px;
}

.guide-section li {
    margin-bottom: 8px;
}

/* ============================================
   INFO CARDS / HIGHLIGHTS
   ============================================ */

.info-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    margin: 24px 0;
}

.info-card.highlight {
    background: rgba(20, 184, 166, 0.08);
    border-color: var(--primary);
}

.info-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-card p {
    margin: 0;
}

/* Mnemonic display */
.mnemonic-display {
    text-align: center;
    padding: 32px 24px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin: 24px 0;
}

.mnemonic-display .letters {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 8px;
    margin-bottom: 12px;
}

.mnemonic-display .phrase {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.mnemonic-display .hint {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ============================================
   PRACTICE CTA SECTION
   ============================================ */

.practice-cta {
    background: linear-gradient(135deg, var(--primary) 0%, #0d9488 100%);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    margin: 48px 0;
    box-shadow: 0 8px 32px rgba(20, 184, 166, 0.3);
}

.practice-cta h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 0 12px;
}

.practice-cta p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 24px;
}

.practice-cta .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: white;
    color: var(--primary);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s;
}

.practice-cta .cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq-section {
    margin: 48px 0;
}

.faq-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 24px;
    text-align: center;
}

.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 12px;
}

.faq-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 10px;
}

.faq-item p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-light);
    margin: 0;
}

/* ============================================
   PRODUCT PROMO SECTION
   ============================================ */

.product-section {
    background: var(--bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 48px 24px;
    margin: 48px -24px;
}

.product-section .content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   NAVIGATION HEADER
   ============================================ */

.guide-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    box-sizing: border-box;
}

.guide-header .back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.guide-header .back-link:hover {
    color: var(--primary);
}

.guide-header .header-actions {
    display: flex;
    gap: 8px;
}

/* Icon button for dark mode toggle in guide headers */
.guide-header .icon-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.2s;
}

.guide-header .icon-btn:hover {
    background: var(--bg);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .guide-hero {
        padding: 32px 16px 24px;
    }

    .guide-hero h1 {
        font-size: 1.6rem;
    }

    .guide-hero .subtitle {
        font-size: 1rem;
    }

    .guide-content {
        padding: 32px 16px;
    }

    .guide-section h2 {
        font-size: 1.3rem;
    }

    .mnemonic-display .letters {
        font-size: 1.5rem;
        letter-spacing: 4px;
    }

    .practice-cta {
        padding: 32px 20px;
        margin: 32px -16px;
        border-radius: 0;
    }

    .product-section {
        margin: 32px -16px;
        padding: 32px 16px;
    }
}