/* Modern Section Designs */

/* Section Base */
section {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Section Headers with Animation */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
    position: relative;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(8, 124, 167, 0.1));
    color: var(--accent-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.section-title .highlight {
    background: var(--gradient-eco);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Green Energy Stats Section */
.stats-section {
    background: var(--background-darker);
    color: white;
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2310B981' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.1), transparent);
    transition: left 0.6s;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.2);
}

.stat-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--gradient-eco);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    box-shadow: var(--shadow-glow);
}

.stat-value {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 12px;
    background: var(--gradient-eco);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* Modern Service Cards with Glassmorphism */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.service-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.95));
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-eco);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    border-color: var(--accent-color);
}

.service-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-eco);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 32px;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.service-card:hover .service-icon {
    transform: rotateY(180deg) scale(1.1);
    box-shadow: var(--shadow-glow);
}

.service-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.service-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.service-features li::before {
    content: '✓';
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.1));
    color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

/* Interactive Feature Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.feature-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 36px 28px;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 0;
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-card:hover {
    border-color: var(--accent-color);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(8, 124, 167, 0.15));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 28px;
    transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-eco);
    color: white;
    transform: rotateY(360deg);
    box-shadow: var(--shadow-glow);
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* CTA Section with Gradient Background */
.cta-section {
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.2), transparent);
    border-radius: 50%;
    animation: pulse-glow 8s ease-in-out infinite;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(8, 124, 167, 0.2), transparent);
    border-radius: 50%;
    animation: pulse-glow 8s ease-in-out infinite 2s;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
}

.cta-content p {
    font-size: 20px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

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

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s ease-out;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger animations for children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.stagger-children.active > *:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.active > *:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.active > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-children.active > *:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-children.active > *:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.stagger-children.active > *:nth-child(6) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }

/* Responsive Design */
@media (max-width: 1024px) {
    section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 36px;
    }

    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .stat-value {
        font-size: 44px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
        max-width: 100%;
        overflow-x: hidden;
    }

    section {
        padding: 60px 0;
        overflow-x: hidden;
    }

    .section-header {
        margin-bottom: 40px;
        padding: 0;
    }

    .section-title {
        font-size: 28px;
        line-height: 1.3;
    }

    .section-subtitle {
        font-size: 15px;
        line-height: 1.6;
    }

    .section-badge {
        font-size: 11px;
        padding: 6px 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .stat-card {
        padding: 28px 20px;
    }

    .stat-icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }

    .stat-value {
        font-size: 42px;
    }

    .stat-label {
        font-size: 14px;
    }

    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card {
        padding: 28px 20px;
    }

    .service-icon {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }

    .service-title {
        font-size: 20px;
    }

    .service-description {
        font-size: 14px;
    }

    .feature-card {
        padding: 28px 20px;
    }

    .feature-icon {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }

    .feature-card h3 {
        font-size: 16px;
    }

    .feature-card p {
        font-size: 13px;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 28px;
        line-height: 1.3;
    }

    .cta-content p {
        font-size: 15px;
        line-height: 1.6;
        margin-bottom: 32px;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-buttons .btn {
        width: 100%;
    }
}