/* ===================================
   브랜드소개 페이지 스타일
   ================================== */

/* Brand Hero */
.brand-hero {
    position: relative;
    min-height: 700px;
    display: flex;
    align-items: center;
    padding: 150px 0 100px;
    overflow: hidden;
    background: linear-gradient(135deg, #0052a3 0%, #0066CC 50%, #0080FF 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 0.625rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-badge i {
    font-size: 1rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 2rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-title .highlight {
    color: var(--gold);
    text-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    opacity: 0.95;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle strong {
    color: var(--gold);
    font-weight: 700;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Brand Philosophy */
.brand-philosophy {
    padding: 120px 0;
    background: white;
}

.philosophy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 4rem;
}

.philosophy-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--off-white), var(--light-gray));
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.image-placeholder i {
    font-size: 8rem;
    color: var(--primary-blue);
    opacity: 0.3;
}

.philosophy-text h3 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    color: var(--black);
}

.philosophy-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 2rem;
}

.philosophy-text strong {
    color: var(--primary-blue);
    font-weight: 700;
}

.protection-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.protection-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--off-white);
    border-radius: 15px;
    transition: var(--transition);
}

.protection-item:hover {
    background: #E8F4FF;
    transform: translateX(5px);
}

.protection-item i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.protection-item span {
    font-weight: 600;
    color: var(--black);
}

/* Technology Section */
.technology-section {
    padding: 120px 0;
    background: var(--off-white);
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.tech-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 25px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    text-align: center;
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.tech-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-icon i {
    font-size: 3rem;
    color: white;
}

.tech-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--black);
}

.tech-card > p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.tech-list {
    list-style: none;
    padding: 0;
    text-align: left;
}

.tech-list li {
    display: flex;
    align-items: start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--dark-gray);
}

.tech-list i {
    color: var(--primary-blue);
    margin-top: 0.25rem;
}

/* Antibacterial Section */
.antibacterial-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #E8F4FF 0%, white 100%);
}

.antibacterial-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.antibacterial-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 1.5rem;
    margin-top: 1rem;
}

.antibacterial-text h2 .highlight {
    color: var(--primary-blue);
}

.antibacterial-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 2rem;
}

.safety-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.safety-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: white;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    font-weight: 600;
    color: var(--black);
}

.safety-badge i {
    color: var(--success);
    font-size: 1.25rem;
}

/* Maintenance Section */
.maintenance-section {
    padding: 120px 0;
    background: white;
}

.maintenance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.maintenance-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--off-white);
    border-radius: 20px;
    transition: var(--transition);
}

.maintenance-card:hover {
    background: #E8F4FF;
    transform: translateY(-5px);
}

.maintenance-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.maintenance-icon i {
    font-size: 2rem;
    color: white;
}

.maintenance-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.maintenance-card p {
    color: var(--gray);
    font-size: 0.9375rem;
}

.maintenance-note {
    margin-top: 3rem;
    padding: 1.5rem 2rem;
    background: #FFF9E6;
    border-left: 4px solid var(--warning);
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.maintenance-note i {
    font-size: 1.5rem;
    color: var(--warning);
}

.maintenance-note p {
    margin: 0;
    color: var(--dark-gray);
    font-size: 1rem;
}

.maintenance-note strong {
    color: var(--black);
}

/* Duration Section */
.duration-section {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
}

.duration-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

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

.duration-circle {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 255, 255, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.duration-number {
    font-size: 5rem;
    font-weight: 900;
    color: var(--gold);
    line-height: 1;
}

.duration-unit {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 3px;
    margin-top: 0.5rem;
    opacity: 0.9;
}

.duration-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 1.5rem;
    margin-top: 1rem;
}

.duration-text h2 .highlight {
    color: var(--gold);
}

.duration-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    opacity: 0.95;
    margin-bottom: 1.5rem;
}

.duration-text strong {
    color: var(--gold);
    font-weight: 700;
}

.duration-message {
    padding-top: 1rem;
    border-top: 2px solid rgba(255, 255, 255, 0.2);
}

/* Identity Section */
.identity-section {
    padding: 120px 0;
    background: white;
}

.identity-content {
    margin-top: 4rem;
    text-align: center;
}

.color-showcase {
    margin-bottom: 4rem;
}

.color-circle {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    box-shadow: 
        0 20px 60px rgba(0, 102, 204, 0.4),
        inset 0 -10px 30px rgba(0, 0, 0, 0.1);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.color-showcase h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.identity-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

.value-item {
    text-align: center;
}

.value-item i {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.value-item h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--black);
}

.value-item p {
    color: var(--gray);
    line-height: 1.6;
}

.brand-message {
    margin-top: 4rem;
    padding: 3rem;
    background: var(--off-white);
    border-radius: 25px;
    text-align: center;
}

.brand-message p {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--dark-gray);
    margin: 0;
}

.brand-message strong {
    color: var(--primary-blue);
    font-weight: 700;
}

/* Trust Section */
.trust-section {
    padding: 120px 0;
    background: var(--off-white);
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.trust-stat-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 25px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition);
}

.trust-stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.trust-stat-card .stat-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-stat-card .stat-icon i {
    font-size: 3rem;
    color: white;
}

.trust-stat-card .stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.trust-stat-card .stat-label {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 1rem;
}

.trust-stat-card p {
    color: var(--gray);
    line-height: 1.6;
}

.trust-message {
    margin-top: 4rem;
    text-align: center;
}

.trust-message p {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--dark-gray);
}

/* History Section */
.history-section {
    padding: 120px 0;
    background: white;
}

.timeline {
    max-width: 900px;
    margin: 4rem auto 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 203px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-blue), var(--secondary-blue));
}

.timeline-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 192px;
    top: 8px;
    width: 24px;
    height: 24px;
    background: white;
    border: 4px solid var(--primary-blue);
    border-radius: 50%;
    z-index: 1;
}

.timeline-item.highlight::before {
    width: 32px;
    height: 32px;
    left: 188px;
    top: 4px;
    border-color: var(--gold);
    background: var(--gold);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.timeline-year {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-blue);
    text-align: right;
    padding-right: 3.5rem;
}

.timeline-item.highlight .timeline-year {
    color: var(--gold);
}

.timeline-content {
    background: var(--off-white);
    padding: 2rem;
    border-radius: 20px;
    transition: var(--transition);
}

.timeline-content:hover {
    background: #E8F4FF;
    transform: translateX(10px);
}

.timeline-item.highlight .timeline-content {
    background: linear-gradient(135deg, #FFF9E6, #FFF5CC);
}

.timeline-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
    padding: 0;
}

.timeline-content li {
    padding: 0.5rem 0;
    color: var(--dark-gray);
    padding-left: 1.5rem;
    position: relative;
}

.timeline-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: 700;
}

.achievement-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.achievement-badges .badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gold);
    color: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Final Message Section */
.final-message-section {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    text-align: center;
}

.final-message-content h2 {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.5;
    margin-bottom: 2rem;
}

.final-message-content h2 .highlight {
    color: var(--gold);
}

.final-message-content p {
    font-size: 1.25rem;
    line-height: 1.8;
    opacity: 0.95;
    margin-bottom: 3rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 3rem;
    background: var(--gold);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.25rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.4);
}

/* Section Utilities */
.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.section-header.center {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.3;
    color: var(--black);
    margin-bottom: 1.5rem;
}

.section-title .highlight {
    color: var(--primary-blue);
}

.section-subtitle {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-features,
    .identity-values {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .maintenance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .brand-hero {
        min-height: 600px;
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .philosophy-content,
    .antibacterial-content,
    .duration-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .tech-features,
    .maintenance-grid,
    .identity-values,
    .trust-stats {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding-left: 60px;
    }
    
    .timeline-item::before {
        left: 9px;
    }
    
    .timeline-item.highlight::before {
        left: 5px;
    }
    
    .timeline-year {
        text-align: left;
        padding-right: 0;
        font-size: 1.75rem;
    }
    
    .final-message-content h2 {
        font-size: 2rem;
    }
    
    .duration-circle {
        width: 250px;
        height: 250px;
    }
    
    .duration-number {
        font-size: 4rem;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .protection-grid {
        grid-template-columns: 1fr;
    }
}