/* ===================================
   BK GREEN ENERGY - SERVICES PAGE
   Clean rebuild from scratch
   =================================== */

/* Import common styles */
@import url('common.css');

/* ===================================
   HERO BANNER
   =================================== */

.hero-banner {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    overflow: hidden;
}

.hero-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-banner .container {
    position: relative;
    z-index: 2;
    color: var(--white);
    text-align: center;
}

.hero-content h1 {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-xs);
    font-weight: 700;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: var(--text-xl);
    opacity: 0.95;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float-particle 8s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 30%; top: 60%; animation-delay: 1s; }
.particle:nth-child(3) { left: 50%; top: 30%; animation-delay: 2s; }
.particle:nth-child(4) { left: 70%; top: 70%; animation-delay: 3s; }
.particle:nth-child(5) { left: 90%; top: 40%; animation-delay: 4s; }

@keyframes float-particle {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-40px) translateX(-10px); }
    75% { transform: translateY(-20px) translateX(10px); }
}

.scroll-arrow {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 2;
}

.scroll-arrow svg {
    width: 100%;
    height: 100%;
}

/* ===================================
   EPC SERVICES SECTION
   =================================== */

.epc-services-section {
    padding: var(--space-xl) var(--space-xs);
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f5e9 100%);
}

.section-title {
    text-align: center;
    font-size: var(--text-3xl);
    color: var(--primary-green);
    font-weight: 700;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: 50px;
}

.epc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.epc-card {
    background: var(--white);
    border-radius: 15px;
    padding: 35px 30px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-md);
}

.epc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-green), var(--secondary-green));
    transform: scaleY(0);
    transition: transform 0.4s ease;
}

.epc-card:hover::before {
    transform: scaleY(1);
}

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

.epc-card h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: var(--space-xs);
}

.epc-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.epc-card ul li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
    transition: all 0.3s ease;
}

.epc-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
    font-size: 1.2rem;
}

.epc-card:hover ul li {
    padding-left: 35px;
}

/* ===================================
   BENEFITS SECTION
   =================================== */

.benefits-section {
    padding: var(--space-xl) var(--space-xs);
    background: var(--accent-green);
}

.benefits-section h2 {
    text-align: center;
    font-size: var(--text-3xl);
    color: var(--white);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: var(--white);
    padding: var(--space-sm) 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
}

.benefit-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-green);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-xs);
}

.benefit-icon svg {
    width: 45px;
    height: 45px;
}

.benefit-card h3 {
    font-size: var(--text-xl);
    color: var(--primary-green);
    margin-bottom: 15px;
    font-weight: 600;
}

.benefit-card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   STATS SECTION
   =================================== */

.stats-section {
    padding: var(--space-xl) var(--space-xs);
    background: var(--white);
}

.stats-section h2 {
    text-align: center;
    font-size: var(--text-3xl);
    color: var(--primary-green);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-sm);
}

.stat-card {
    text-align: center;
    padding: var(--space-sm) var(--space-xs);
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-green);
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    font-weight: 600;
}

/* ===================================
   CTA SECTION
   =================================== */

.cta-section {
    position: relative;
    padding: var(--space-xl) var(--space-xs);
    background: var(--accent-green);
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

.cta-content h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-xs);
    font-weight: 700;
}

.cta-content p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-sm);
    opacity: 0.95;
}

.cta-btn {
    display: inline-block;
    padding: 18px 50px;
    background: var(--white);
    color: var(--primary-green);
    text-decoration: none;
    border-radius: 50px;
    font-size: var(--text-lg);
    font-weight: 600;
    transition: all 0.4s ease;
}

.cta-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.5);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 968px) {
    .hero-content h1 {
        font-size: var(--text-4xl);
    }
    
    .hero-content p {
        font-size: var(--text-base);
    }
    
    .epc-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 640px) {
    .hero-banner {
        height: 400px;
    }
    
    .hero-content h1 {
        font-size: var(--text-3xl);
    }
    
    .section-title {
        font-size: var(--text-2xl);
    }
    
    .epc-card {
        padding: 25px 20px;
    }
    
    .stat-number {
        font-size: 3rem;
    }
}