/* Sustainability Hero Section */
.sustainability-hero {
    background: linear-gradient(rgba(0, 56, 101, 0.8), rgba(0, 56, 101, 0.8)), url('../assets/yota-images/img0015.jpg') no-repeat center center;
    background-size: cover;
    color: white;
    padding: 180px 0 120px;
    text-align: center;
    position: relative;
}

.sustainability-hero .hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.sustainability-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.sustainability-hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Sustainability Intro */
.sustainability-intro {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.sustainability-intro h2 {
    font-size: 2.5rem;
    color: #003865;
    margin-bottom: 25px;
    text-align: center;
}

.sustainability-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
}

.mission-statement {
    background: #003865;
    color: white;
    padding: 40px;
    border-radius: 8px;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.mission-statement blockquote {
    font-size: 1.5rem;
    font-style: italic;
    font-family: 'Merriweather', serif;
    margin-bottom: 20px;
    position: relative;
    padding-left: 40px;
}

.mission-statement blockquote:before {
    content: '\201C';
    font-size: 5rem;
    position: absolute;
    left: -20px;
    top: -20px;
    color: rgba(255, 255, 255, 0.1);
    font-family: serif;
}

.mission-statement p {
    text-align: right;
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
    margin-bottom: 0;
}

/* Sustainability Pillars */
.sustainability-pillars {
    padding: 100px 0;
    background: white;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pillar-card {
    background: #f9f9f9;
    border-radius: 8px;
    padding: 40px 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 5px solid #00a859;
}

.pillar-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.pillar-card:nth-child(2) {
    border-top-color: #0097a7;
}

.pillar-card:nth-child(3) {
    border-top-color: #ffc107;
}

.card-icon {
    font-size: 3rem;
    color: #003865;
    margin-bottom: 20px;
}

.pillar-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

.pillar-card ul {
    text-align: left;
    list-style: none;
}

.pillar-card ul li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 30px;
    color: #555;
    line-height: 1.5;
}

.pillar-card ul li:before {
    content: '\f058';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: #00a859;
}

.pillar-card:nth-child(2) ul li:before {
    color: #0097a7;
}

.pillar-card:nth-child(3) ul li:before {
    color: #ffc107;
}

/* Environmental Impact */
.environmental-impact {
    padding: 100px 0;
    background: linear-gradient(135deg, #003865, #0056b3);
    color: white;
}

.environmental-impact .section-header h2,
.environmental-impact .section-header p {
    color: white;
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 50px auto;
    max-width: 1000px;
}

.impact-item {
    padding: 30px 20px;
    text-align: center;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.4;
}

.impact-image {
    max-width: 800px;
    margin: 40px auto 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.impact-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Green Initiatives */
.green-initiatives {
    padding: 100px 0;
    background: #f9f9f9;
}

.initiatives-tabs {
    margin-top: 50px;
}

.tabs-header {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 15px 30px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 1.1rem;
    font-weight: 600;
    color: #555;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: #003865;
}

.tab-btn.active {
    color: #003865;
    border-bottom-color: #003865;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-content {
    display: flex;
    gap: 50px;
    align-items: center;
    background: white;
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.tab-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
}

.tab-image img {
    width: 100%;
    height: auto;
    display: block;
}

.tab-text {
    flex: 1;
}

.tab-text h3 {
    font-size: 1.8rem;
    color: #003865;
    margin-bottom: 20px;
}

.tab-text p {
    color: #555;
    margin-bottom: 20px;
    line-height: 1.7;
}

/* Sustainability Awards */
.sustainability-awards {
    padding: 100px 0;
    background: white;
}

.awards-slider {
    max-width: 1000px;
    margin: 50px auto 0;
    padding: 0 20px;
}

.award-slide {
    background: #f9f9f9;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: auto;
}

.award-logo {
    height: 100px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.award-logo img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.award-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #003865;
}

.award-content p {
    color: #777;
    font-size: 1.1rem;
}

.swiper-pagination-bullet-active {
    background: #003865 !important;
}

/* Sustainability CTA */
.sustainability-cta {
    padding: 100px 0;
    background: url('../assets/yota-images/Home/yota-img1.jpg') no-repeat center center;
    background-size: cover;
    color: white;
    text-align: center;
    position: relative;
}

.sustainability-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 56, 101, 0.8);
}

.sustainability-cta .container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.sustainability-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.sustainability-cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    padding: 15px 30px;
    background: #00a859;
    color: white;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s ease;
}

.btn-primary:hover {
    background: #008e4a;
}

.btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    background: transparent;
    color: white;
    border: 2px solid white;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: white;
    color: #003865;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .tab-content {
        flex-direction: column;
    }
    
    .tab-image, .tab-text {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .sustainability-hero h1 {
        font-size: 2.5rem;
    }
    
    .sustainability-hero p {
        font-size: 1rem;
    }
    
    .mission-statement blockquote {
        font-size: 1.2rem;
        padding-left: 20px;
    }
    
    .tabs-header {
        flex-direction: column;
    }
    
    .tab-btn {
        border-bottom: none;
        border-left: 3px solid transparent;
        text-align: left;
    }
    
    .tab-btn.active {
        border-left-color: #003865;
    }
}

@media (max-width: 576px) {
    .sustainability-hero {
        padding: 120px 0 80px;
    }
    
    .sustainability-hero h1 {
        font-size: 2rem;
    }
    
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .impact-stats {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons a {
        width: 100%;
        text-align: center;
    }
}