/* ==============================================
   Services Page
   ============================================== */

/* --- Page Hero --- */
.page-hero {
    padding-top: calc(var(--header-height) + var(--space-4xl));
    padding-bottom: var(--space-3xl);
    text-align: center;
    background: var(--bg-secondary);
}

.page-hero-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
}

.page-hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.page-hero-desc {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

/* --- Service Categories --- */
.service-categories-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: var(--space-sm);
}

.service-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.service-category {
    padding: var(--space-xl);
}

.service-category-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.service-category-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    flex-grow: 1;
}

.service-category-list li {
    position: relative;
    padding-left: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.service-categories-note {
    text-align: center;
    margin-top: var(--space-xl);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

.service-categories-note a {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color var(--transition-fast);
}

.service-categories-note a:hover {
    color: var(--accent-hover);
}

.service-category-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-tertiary);
}

/* --- Common Features --- */
.common-features-section {
    background: var(--bg-secondary);
}

.common-features-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: var(--space-sm);
}

.common-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.common-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-base);
}

.common-feature-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

.common-feature-item img {
    width: 52px;
    height: 52px;
}

.common-feature-item span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* --- Service Tag (유지) --- */
.service-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    background: var(--tag-bg);
    color: var(--tag-text);
    border-radius: 4px;
}

/* --- Work Process --- */
.process-section {
    background: var(--bg-secondary);
}

.process-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: var(--space-sm);
}

.process-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    margin-top: var(--space-xl);
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    max-width: 180px;
    padding: 0 var(--space-sm);
}

.process-step-number {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.process-step-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.process-step-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.process-connector {
    display: flex;
    align-items: center;
    margin-top: 42px;
    color: var(--text-tertiary);
    font-size: 12px;
    flex-shrink: 0;
}

/* --- FAQ --- */
.faq-section {
    background: var(--bg-primary);
}

.faq-label {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: var(--space-sm);
}

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

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-item:first-child {
    border-top: 1px solid var(--border-color);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-lg) 0;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
    gap: var(--space-md);
}

.faq-question:hover {
    color: var(--accent);
}

.faq-icon {
    font-size: 14px;
    color: var(--text-tertiary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding-bottom: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* --- CTA --- */
.cta-section {
    background: var(--bg-secondary);
}

.cta-section .section-subtitle {
    margin-bottom: var(--space-xl);
}

/* --- Responsive --- */

/* Tablet */
@media (max-width: 1024px) {
    .page-hero-title {
        font-size: var(--font-size-3xl);
    }

    .service-categories {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .common-features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-step {
        max-width: 150px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .page-hero {
        padding-top: calc(var(--header-height) + var(--space-2xl));
        padding-bottom: var(--space-xl);
    }

    .page-hero-title {
        font-size: var(--font-size-2xl);
    }

    .page-hero-desc {
        font-size: var(--font-size-base);
    }

    /* Service Categories */
    .service-categories {
        grid-template-columns: 1fr;
    }

    .service-category {
        text-align: center;
    }

    .service-category-icon {
        margin-left: auto;
        margin-right: auto;
    }

    .service-category-list {
        align-items: center;
    }

    .service-category-list li {
        padding-left: var(--space-lg);
        text-align: left;
    }

    /* Common Features */
    .common-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Process */
    .process-grid {
        flex-direction: column;
        align-items: center;
        gap: var(--space-lg);
    }

    .process-step {
        max-width: 100%;
        width: 100%;
    }

    .process-connector {
        transform: none;
    }

    .process-connector i::before {
        content: "\f078";
    }

    /* FAQ */
    .faq-list {
        text-align: left;
    }

    .faq-question {
        font-size: var(--font-size-sm);
    }
}

/* Small */
@media (max-width: 480px) {
    .service-category {
        padding: var(--space-lg);
    }

    .common-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .common-feature-item {
        padding: var(--space-lg) var(--space-sm);
    }
}