/* ================================================
   ABOUT PAGE — Guide-specific styles
   ================================================ */

/* --- Table of Contents --- */
.toc-section {
    padding: 0 0 60px;
    background: var(--black);
}
.toc-wrapper {
    max-width: 900px;
    margin: 0 auto;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.toc-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 28px;
    background: rgba(200,168,75,0.08);
    border-bottom: 1px solid var(--dark-border);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--gold);
}
.toc-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.toc-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 24px;
    border-right: 1px solid var(--dark-border);
    border-bottom: 1px solid var(--dark-border);
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}
.toc-item:hover {
    background: var(--gold-dim);
    color: var(--gold-light);
}
.toc-item span:first-child {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.1rem;
    color: var(--gold);
    opacity: 0.7;
    min-width: 28px;
}

/* --- Guide Sections --- */
.guide-section {
    padding: 80px 0;
    background: var(--black);
    border-top: 1px solid var(--dark-border);
}
.guide-section--alt {
    background: var(--dark);
}

.guide-header {
    display: flex;
    align-items: baseline;
    gap: 20px;
    margin-bottom: 48px;
}
.guide-num {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 900;
    color: var(--gold);
    opacity: 0.5;
    letter-spacing: 0.1em;
}
.guide-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 900;
    color: var(--white);
    position: relative;
}
.guide-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin-top: 12px;
    border-radius: 2px;
}

.guide-lead {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.8;
    margin-bottom: 28px;
    padding-left: 20px;
    border-left: 3px solid var(--gold);
}
.guide-body {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.9;
    max-width: 860px;
}
.guide-body p { margin-bottom: 16px; }

.text-accent { color: var(--gold); font-weight: 600; }

/* --- Info Callout --- */
.info-callout {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: var(--gold-dim);
    border: 1px solid rgba(200,168,75,0.2);
    border-radius: var(--radius);
    margin-top: 32px;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
}
.info-callout i {
    color: var(--gold);
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}
.info-callout--accent {
    background: rgba(72,149,239,0.08);
    border-color: rgba(72,149,239,0.2);
}
.info-callout--accent i { color: var(--blue); }

/* --- Merit Cards --- */
.merit-intro {
    font-size: 1rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 40px;
}
.merit-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.merit-card {
    display: flex;
    gap: 28px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}
.merit-card:hover {
    border-color: rgba(200,168,75,0.25);
    background: #1c1c1c;
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.merit-card--danger:hover {
    border-color: rgba(230,57,70,0.3);
}
.merit-card-icon {
    width: 64px;
    height: 64px;
    background: var(--gold-dim);
    border: 1px solid rgba(200,168,75,0.2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.6rem;
    color: var(--gold);
}
.merit-card--danger .merit-card-icon {
    background: var(--red-dim);
    border-color: rgba(230,57,70,0.2);
    color: var(--red);
}
.merit-card-body { flex: 1; }
.merit-card-body h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}
.merit-card-body p {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
    margin-bottom: 12px;
}
.merit-image-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 20px;
}
.merit-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.merit-card--split {
    align-items: center;
}
.merit-card--split .merit-card-body {
    max-width: 58%;
}
.merit-card-media {
    flex: 0 0 280px;
    margin-left: auto;
}
.merit-card-media .merit-image {
    aspect-ratio: 4 / 3;
    width: 100%;
    display: block;
}

/* --- Durability Section --- */
.durability-hero {
    text-align: center;
    padding: 48px 0 40px;
}
.durability-number {
    font-family: var(--font-display);
    font-size: clamp(5rem, 15vw, 10rem);
    font-weight: 900;
    color: var(--gold);
    line-height: 1;
    text-shadow: 0 0 60px rgba(200,168,75,0.3);
}
.durability-number span {
    font-size: 0.3em;
    vertical-align: super;
    opacity: 0.7;
}
.durability-note {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.15em;
    margin-top: 8px;
    text-transform: uppercase;
}
.durability-factors {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius);
    padding: 28px;
    margin: 32px 0;
}
.durability-factors h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}
.durability-factors h4 i { color: var(--red); }
.durability-factors ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.durability-factors li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(230,57,70,0.06);
    border: 1px solid rgba(230,57,70,0.12);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: rgba(255,255,255,0.75);
}
.durability-factors li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--red);
    border-radius: 50%;
    flex-shrink: 0;
}

/* --- DIY Warning (about page cost section) --- */
.diy-warning {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: rgba(72,149,239,0.08);
    border: 1px solid rgba(72,149,239,0.2);
    border-radius: var(--radius);
    margin-top: 32px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
}
.diy-warning i { color: var(--blue); font-size: 1.2rem; margin-top: 2px; flex-shrink: 0; }
.diy-warning strong { color: var(--blue); }

/* --- Shop Selection --- */
.shop-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.shop-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}
.shop-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), transparent);
    opacity: 0;
    transition: var(--transition);
}
.shop-card:hover {
    border-color: rgba(200,168,75,0.2);
    background: #1c1c1c;
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.shop-card:hover::before { opacity: 1; }
.shop-card-num {
    position: absolute;
    top: 20px;
    right: 24px;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(200,168,75,0.06);
    line-height: 1;
}
.shop-card-icon {
    width: 56px;
    height: 56px;
    background: var(--gold-dim);
    border: 1px solid rgba(200,168,75,0.2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--gold);
    margin-bottom: 20px;
}
.shop-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}
.shop-card p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .toc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .toc-grid { grid-template-columns: 1fr; }
    .toc-item { padding: 14px 16px; font-size: 0.82rem; border-right: none; }
    .toc-item:last-child { border-bottom: none; }

    .guide-section { padding: 64px 0; }
    .guide-header { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 28px; }
    .guide-title::after { width: 48px; margin-top: 10px; }
    .guide-lead { padding-left: 16px; font-size: 1rem; }

    .info-callout,
    .diy-warning { padding: 18px 18px; }

    .merit-card { flex-direction: column; padding: 24px; gap: 18px; }
    .merit-card-icon { width: 52px; height: 52px; font-size: 1.3rem; }
    .merit-card--split .merit-card-body,
    .merit-card-media {
        max-width: 100%;
        flex: 1 1 auto;
        margin-left: 0;
    }
    .merit-card-media { width: 100%; }
    .merit-image-grid { grid-template-columns: 1fr; }

    .shop-cards { grid-template-columns: 1fr; }
    .shop-card { padding: 24px; }
    .shop-card-num { font-size: 2.4rem; }
}
@media (max-width: 480px) {
    .toc-grid { grid-template-columns: 1fr; }
    .toc-item { padding: 12px 14px; font-size: 0.78rem; gap: 8px; }
    .info-callout,
    .diy-warning { flex-direction: column; gap: 10px; }
    .cost-block-icon,
    .merit-card-icon,
    .shop-card-icon { width: 48px; height: 48px; }
}