/* Variables spécifiques aux énergies renouvelables */
:root {
    --solar-yellow: #fdcb6e;
    --solar-orange: #e17055;
    --wind-blue: #74b9ff;
    --geothermal-green: #00b894;
    --biomass-brown: #a29bfe;
}

/* Page Énergies Renouvelables */
.energies-page {
    background: var(--dark);
}

/* Hero Section Énergies */
.energies-hero {
    min-height: 80vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--dark) 0%, #0f1a2e 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.solar-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(253, 203, 110, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(116, 185, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(0, 184, 148, 0.1) 0%, transparent 50%);
}

.energy-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(253, 203, 110, 0.3) 2px, transparent 0),
        radial-gradient(circle at 75% 75%, rgba(116, 185, 255, 0.2) 1px, transparent 0),
        radial-gradient(circle at 50% 50%, rgba(0, 184, 148, 0.2) 1px, transparent 0);
    background-size: 50px 50px, 30px 30px, 40px 40px;
    animation: particleFloat 20s infinite linear;
}

@keyframes particleFloat {
    0% { transform: translateY(0px) rotate(0deg); }
    100% { transform: translateY(-50px) rotate(360deg); }
}

.hero-content {
    padding-top: 2rem;
    text-align: center;
}

.solution-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(253, 203, 110, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(253, 203, 110, 0.2);
    color: var(--solar-yellow);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat .stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--solar-yellow), var(--wind-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.hero-stat .stat-label {
    color: var(--gray);
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-visual {
    margin-top: 3rem;
}

.energy-visualization {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solar-system {
    position: relative;
    width: 400px;
    height: 200px;
}

.sun {
    position: absolute;
    top: 50%;
    left: 20%;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, var(--solar-yellow) 0%, var(--solar-orange) 100%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 30px var(--solar-yellow);
    animation: sunPulse 3s ease-in-out infinite;
}

@keyframes sunPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.panel-1, .panel-2 {
    position: absolute;
    width: 120px;
    height: 80px;
    background: linear-gradient(135deg, #2d3436, #636e72);
    border-radius: 8px;
    transform: skew(-10deg);
}

.panel-1 {
    top: 30%;
    right: 25%;
    animation: panelReflect 4s ease-in-out infinite;
}

.panel-2 {
    top: 50%;
    right: 15%;
    animation: panelReflect 4s ease-in-out infinite 0.5s;
}

@keyframes panelReflect {
    0%, 100% { box-shadow: 5px 5px 15px rgba(253, 203, 110, 0.3); }
    50% { box-shadow: 8px 8px 25px rgba(253, 203, 110, 0.6); }
}

.energy-flow {
    position: absolute;
    top: 50%;
    left: 30%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--solar-yellow), transparent);
    animation: energyFlow 2s linear infinite;
}

@keyframes energyFlow {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Section Solutions */
.solutions-section {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.02);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--solar-yellow), var(--wind-blue), var(--geothermal-green));
}

.solution-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(253, 203, 110, 0.2);
}

.solution-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    box-shadow: var(--shadow-glow);
}

.solution-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.solution-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.solution-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.solution-features li {
    padding: 0.5rem 0;
    color: var(--gray-light);
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9rem;
}

.solution-features li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    color: var(--solar-yellow);
    font-weight: 600;
}

.solution-cta {
    margin-top: auto;
}

/* Section Simulateur */
.simulator-section {
    padding: 6rem 0;
    background: var(--dark);
}

.simulator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.simulator-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--light);
}

.slider {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--solar-yellow);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--solar-yellow);
}

.slider-value {
    text-align: center;
    margin-top: 0.5rem;
    color: var(--solar-yellow);
    font-weight: 600;
}

.form-select, .form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    color: var(--light);
    font-size: 1rem;
    transition: var(--transition);
}

.form-select:focus, .form-input:focus {
    outline: none;
    border-color: var(--solar-yellow);
    box-shadow: 0 0 0 3px rgba(253, 203, 110, 0.1);
}

.simulator-results {
    position: sticky;
    top: 2rem;
}

.results-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.results-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--solar-yellow);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.result-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--solar-yellow), var(--wind-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.result-label {
    font-size: 0.8rem;
    color: var(--gray);
    font-weight: 500;
}

.results-actions {
    display: flex;
    gap: 1rem;
}

.results-actions .btn {
    flex: 1;
}

/* Section Études de Cas Énergie */
.energy-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.energy-case {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.energy-case:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.case-logo {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--solar-yellow), var(--wind-blue));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
}

.case-type {
    background: rgba(253, 203, 110, 0.1);
    color: var(--solar-yellow);
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.case-content {
    padding: 2rem;
}

.case-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.case-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.case-stat {
    text-align: center;
    flex: 1;
}

.case-stat .stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--solar-yellow), var(--wind-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.case-stat .stat-label {
    font-size: 0.8rem;
    color: var(--gray);
}

.case-content p {
    color: var(--gray);
    line-height: 1.6;
    margin: 0;
}

/* Section CTA Énergie */
.energy-cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--dark) 0%, #0f1a2e 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--solar-yellow), var(--wind-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .simulator-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .simulator-results {
        position: static;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .energy-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2.5rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .simulator-form {
        padding: 2rem 1.5rem;
    }
    
    .results-card {
        padding: 2rem 1.5rem;
    }
    
    .case-stats {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Animations spécifiques */
@keyframes solarGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(253, 203, 110, 0.5); }
    50% { box-shadow: 0 0 40px rgba(253, 203, 110, 0.8); }
}

.solution-card:hover .solution-icon {
    animation: solarGlow 2s ease-in-out infinite;
}

/* États de chargement */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid var(--solar-yellow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}