/* 페이지 헤더 */
.page-header {
    padding: 10rem 0 5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.3rem;
    opacity: 0.95;
}

/* 파트너 소개 */
.partners-intro {
    padding: 3rem 0 4rem;
    background: var(--white);
}

.intro-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.intro-description {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.9;
    margin-top: 1.5rem;
}

/* 제조사 파트너 */
.manufacturer-partners {
    padding: 5rem 0;
    background: var(--bg-light);
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.partners-grid .partner-card {
    flex: 0 1 calc(33.333% - 2rem);
    min-width: 280px;
}

@media (max-width: 1100px) {
    .partners-grid .partner-card {
        flex: 0 1 calc(50% - 1.5rem);
    }
}

.partner-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

.partner-logo {
    margin-bottom: 1.5rem;
}

.partner-logo-img {
    width: 180px;
    height: 180px;
    object-fit: contain;
    margin: 0 auto;
    display: block;
    border-radius: 20px;
    background: #f8f9fa;
    padding: 1rem;
}

/* 에버온 로고 - 네모에 둥근 모서리 */
.everon-logo {
    border-radius: 25px;
    background: #00b8e6;
    padding: 1.5rem;
}

/* 서울이브이 로고 - 더 둥근 모서리 */
.seoul-ev-logo {
    border-radius: 35px;
    background: #0066ff;
    padding: 1.5rem;
}

.logo-placeholder {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    gap: 0.5rem;
}

.logo-placeholder i {
    font-size: 3rem;
}

.logo-placeholder span {
    font-size: 1.5rem;
    font-weight: 700;
}

.partner-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.partner-description {
    color: var(--text-light);
    line-height: 1.7;
}

/* 협력 파트너 */
.cooperation-partners {
    padding: 5rem 0;
    background: var(--white);
}

.cooperation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.cooperation-category {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.cooperation-category:hover {
    transform: translateY(-5px);
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

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

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.partner-list {
    list-style: none;
    padding: 0;
}

.partner-list li {
    padding: 0.8rem 1rem;
    margin-bottom: 0.5rem;
    background: var(--white);
    border-radius: 8px;
    color: var(--text-light);
    transition: all 0.3s ease;
    position: relative;
    padding-left: 2.5rem;
}

.partner-list li::before {
    content: '✓';
    position: absolute;
    left: 1rem;
    color: var(--primary-color);
    font-weight: bold;
}

.partner-list li:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateX(5px);
}

.partner-list li:hover::before {
    color: var(--white);
}

/* 파트너 혜택 */
.partner-benefits {
    padding: 5rem 0;
    background: var(--bg-light);
}

.benefits-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.benefits-grid .benefit-card {
    flex: 0 1 calc(33.333% - 2rem);
    min-width: 280px;
}

@media (max-width: 1100px) {
    .benefits-grid .benefit-card {
        flex: 0 1 calc(50% - 1.5rem);
    }
}

.benefit-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

.benefit-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
}

.benefit-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.benefit-description {
    color: var(--text-light);
    line-height: 1.8;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .page-header {
        padding: 8rem 0 4rem;
    }

    .page-title {
        font-size: 2.5rem;
    }

    .partners-grid .partner-card {
        flex: 0 1 100%;
    }

    .cooperation-grid {
        grid-template-columns: 1fr;
    }

    .benefits-grid .benefit-card {
        flex: 0 1 100%;
    }

    .intro-description {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 7rem 0 3rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1.1rem;
    }

@media (max-width: 480px) {
    .logo-placeholder {
        width: 120px;
        height: 120px;
    }

    .logo-placeholder i {
        font-size: 2.5rem;
    }

    .logo-placeholder span {
        font-size: 1.2rem;
    }

    .partner-logo-img {
        width: 150px;
        height: 150px;
    }

    .everon-logo {
        border-radius: 20px;
        padding: 1.2rem;
    }

    .seoul-ev-logo {
        border-radius: 30px;
        padding: 1.2rem;
    }
}