/* ==========================================================================
   about.css - 어바웃 페이지 스타일
   LoveSwitch
   ========================================================================== */

/* ==========================================
   HERO SECTION
========================================== */
.about-hero {
    padding: var(--space-32) 0 var(--space-24);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.about-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.about-hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
}

.about-hero-description {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==========================================
   MISSION SECTION
========================================== */
.mission-section {
    background: var(--bg-secondary);
    position: relative;
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

@media (max-width: 1024px) {
    .mission-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
}

.mission-text h2 {
    margin-bottom: var(--space-6);
}

.mission-text > p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.mission-stats {
    display: flex;
    gap: var(--space-8);
}

@media (max-width: 600px) {
    .mission-stats {
        flex-direction: column;
        gap: var(--space-4);
    }
}

.mission-stat {
    text-align: left;
}

.mission-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--pink-400);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.mission-stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.mission-visual {
    display: flex;
    justify-content: center;
}

.mission-image-placeholder {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 4 / 3;
    background: linear-gradient(
        135deg,
        var(--bg-tertiary) 0%,
        var(--bg-primary) 50%,
        var(--bg-tertiary) 100%
    );
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    color: var(--text-muted);
}

.mission-image-placeholder i {
    width: 64px;
    height: 64px;
    opacity: 0.3;
}

/* ==========================================
   VALUES SECTION
========================================== */
.values-section {
    position: relative;
    overflow: hidden;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

@media (max-width: 1280px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .values-grid {
        grid-template-columns: 1fr;
    }
}

.value-card {
    padding: var(--space-8);
    text-align: center;
}

.value-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-5);
    background: linear-gradient(135deg, var(--pink-glow-soft), transparent);
    border: 1px solid var(--border-pink);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon i {
    width: 32px;
    height: 32px;
    color: var(--pink-400);
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
}

.value-card p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ==========================================
   HOW IT WORKS SECTION
========================================== */
.how-section {
    background: var(--bg-secondary);
    position: relative;
}

.how-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 800px;
    margin: 0 auto;
}

.how-step {
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
}

@media (max-width: 600px) {
    .how-step {
        flex-direction: column;
        gap: var(--space-4);
    }
}

.how-step-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--pink-500);
    line-height: 1;
    opacity: 0.3;
    flex-shrink: 0;
    width: 80px;
}

@media (max-width: 600px) {
    .how-step-number {
        font-size: 2rem;
        width: auto;
    }
}

.how-step-content {
    flex: 1;
    padding: var(--space-6);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    display: flex;
    gap: var(--space-5);
    align-items: flex-start;
}

@media (max-width: 600px) {
    .how-step-content {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

.how-step-icon {
    width: 56px;
    height: 56px;
    background: var(--pink-glow-soft);
    border: 1px solid var(--border-pink);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.how-step-icon i {
    width: 24px;
    height: 24px;
    color: var(--pink-400);
}

.how-step-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-2);
}

.how-step-content p {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

/* ==========================================
   VERIFICATION SECTION
========================================== */
.verification-section {
    position: relative;
    overflow: hidden;
}

.verification-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

@media (max-width: 1024px) {
    .verification-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
}

.verification-text h2 {
    margin-bottom: var(--space-4);
}

.verification-text > p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

.verification-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.verification-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.verification-item-icon {
    width: 48px;
    height: 48px;
    background: var(--pink-glow-soft);
    border: 1px solid var(--border-pink);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.verification-item-icon i {
    width: 22px;
    height: 22px;
    color: var(--pink-400);
}

.verification-item h4 {
    font-size: 1rem;
    margin-bottom: var(--space-1);
}

.verification-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.verification-visual {
    display: flex;
    justify-content: center;
}

.verification-card {
    padding: var(--space-8);
    max-width: 320px;
    width: 100%;
    text-align: center;
}

.verification-card-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--success);
    margin-bottom: var(--space-6);
}

.verification-card-header i {
    width: 28px;
    height: 28px;
}

.verification-card-badges {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.verification-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.verification-badge.verified {
    background: var(--success-soft);
    border-color: var(--success);
    color: var(--success);
}

.verification-badge i {
    width: 16px;
    height: 16px;
}

.verification-card-note {
    font-size: 0.8125rem;
    color: var(--text-dim);
    line-height: 1.6;
}

/* ==========================================
   FAQ SECTION
========================================== */
.faq-section {
    background: var(--bg-secondary);
    position: relative;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--pink-400);
}

.faq-question i {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--space-6) var(--space-5);
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==========================================
   CTA SECTION
========================================== */
.about-cta-section {
    position: relative;
    overflow: hidden;
}

.about-cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.about-cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-4);
}

.about-cta-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.8;
}

.about-cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

@media (max-width: 480px) {
    .about-cta-actions {
        flex-direction: column;
    }
    
    .about-cta-actions .btn {
        width: 100%;
    }
}