/* CSS Variables for Dark Theme */
:root {
    /* Dark Theme Colors */
    --primary-color: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary-color: #6366f1;
    --accent-color: #8b5cf6;
    --background-color: #0f172a;
    --surface-color: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --card-bg: #1e293b;
    --nav-bg: rgba(15, 23, 42, 0.95);
    --hero-gradient: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
    --battery-color: #3b82f6;
    --energy-color: #6366f1;
    
    /* Animation Variables */
    --animation-duration: 0.3s;
    --animation-timing: cubic-bezier(0.4, 0, 0.2, 1);
    --pulse-color: rgba(59, 130, 246, 0.3);
    --float-distance: 20px;
    --glow-intensity: 0 0 30px;
}

/* Hero Background - Dark Theme Only */
.hero {
    background: 
        linear-gradient(135deg, #020617 0%, #0f172a 25%, #1d4ed8 50%, #4338ca 75%, #7c3aed 100%),
        radial-gradient(circle at 20% 80%, rgba(29, 78, 216, 0.5) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(67, 56, 202, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(124, 58, 237, 0.3) 0%, transparent 50%);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 0.8rem 1.5rem;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.08), rgba(16, 185, 129, 0.05));
    border: 2px solid rgba(34, 197, 94, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 
        0 4px 20px rgba(34, 197, 94, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.nav-brand::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(34, 197, 94, 0.2), transparent);
    transition: left 0.6s ease;
}

.nav-brand::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: brandPulse 4s ease-in-out infinite;
}

.nav-brand:hover::before {
    left: 100%;
}

.nav-brand:hover::after {
    opacity: 1;
}

.nav-brand:hover {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(16, 185, 129, 0.1));
    border-color: rgba(34, 197, 94, 0.4);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 12px 40px rgba(34, 197, 94, 0.25),
        0 0 0 1px rgba(34, 197, 94, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

@keyframes brandPulse {
    0%, 100% { transform: scale(1); opacity: 0; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

.logo {
    height: 55px;
    width: auto;
    filter: 
        drop-shadow(0 0 30px rgba(34, 197, 94, 0.9))
        drop-shadow(0 0 60px rgba(34, 197, 94, 0.4))
        brightness(1.1) contrast(1.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
    animation: logoFloat 6s ease-in-out infinite;
    mix-blend-mode: multiply;
    border-radius: 8px;
    padding: 4px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(16, 185, 129, 0.05));
    backdrop-filter: blur(5px);
}

.logo:hover {
    transform: scale(1.15) rotate(8deg);
    filter: 
        drop-shadow(0 0 40px rgba(34, 197, 94, 1))
        drop-shadow(0 0 80px rgba(34, 197, 94, 0.6))
        brightness(1.2) contrast(1.2);
    animation-play-state: paused;
}

.logo::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    background: linear-gradient(45deg, #22c55e, #16a34a, #15803d, #22c55e);
    border-radius: 12px;
    opacity: 0.3;
    z-index: -1;
    transition: all 0.4s ease;
    animation: logoGlow 4s ease-in-out infinite;
    background-size: 200% 200%;
}

.logo::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, transparent, rgba(34, 197, 94, 0.3), transparent);
    border-radius: 10px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.logo:hover::before {
    opacity: 0.5;
    animation: logoGlow 2s ease-in-out infinite;
    background-position: 100% 100%;
}

.logo:hover::after {
    opacity: 1;
    animation: logoShimmer 1.5s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% { 
        transform: scale(1); 
        opacity: 0.3;
        background-position: 0% 0%;
    }
    50% { 
        transform: scale(1.3); 
        opacity: 0.6;
        background-position: 100% 100%;
    }
}

@keyframes logoShimmer {
    0%, 100% { opacity: 0; transform: translateX(-100%); }
    50% { opacity: 1; transform: translateX(100%); }
}

@keyframes logoFloat {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
        filter: drop-shadow(0 0 30px rgba(34, 197, 94, 0.9));
    }
    25% { 
        transform: translateY(-4px) rotate(1deg); 
        filter: drop-shadow(0 0 35px rgba(34, 197, 94, 1));
    }
    50% { 
        transform: translateY(-6px) rotate(0deg); 
        filter: drop-shadow(0 0 40px rgba(34, 197, 94, 1.1));
    }
    75% { 
        transform: translateY(-4px) rotate(-1deg); 
        filter: drop-shadow(0 0 35px rgba(34, 197, 94, 1));
    }
}

.brand-text {
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, #22c55e, #16a34a, #15803d, #22c55e);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    animation: brandTextGlow 3s ease-in-out infinite;
    letter-spacing: 0.5px;
}

.brand-text:hover {
    transform: translateY(-3px) scale(1.05);
    filter: drop-shadow(0 6px 12px rgba(34, 197, 94, 0.4));
    animation: brandTextGlow 1.5s ease-in-out infinite;
}

.brand-text::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #22c55e, #16a34a, #15803d);
    border-radius: 8px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
    filter: blur(8px);
}

.brand-text::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #22c55e, #16a34a, #15803d);
    border-radius: 2px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

.brand-text:hover::before {
    opacity: 0.3;
}

.brand-text:hover::after {
    width: 100%;
    animation: brandUnderline 2s ease-in-out infinite;
}

@keyframes brandTextGlow {
    0%, 100% { 
        background-position: 0% 0%;
        filter: drop-shadow(0 2px 4px rgba(34, 197, 94, 0.2));
    }
    50% { 
        background-position: 100% 100%;
        filter: drop-shadow(0 4px 8px rgba(34, 197, 94, 0.4));
    }
}

@keyframes brandUnderline {
    0%, 100% { 
        box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
        transform: scaleX(1);
    }
    50% { 
        box-shadow: 0 0 20px rgba(34, 197, 94, 0.8);
        transform: scaleX(1.1);
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-toggle, .mobile-menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    position: relative;
}

.cart-toggle:hover, .mobile-menu-toggle:hover {
    background: var(--surface-color);
    color: var(--primary-color);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--primary-color);
    color: white;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 50%;
    min-width: 20px;
    text-align: center;
}

.mobile-menu-toggle {
    display: none;
}

/* Shopping Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: var(--card-bg);
    border-left: 1px solid var(--border-color);
    z-index: 1001;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.cart-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s ease;
}

.cart-close:hover {
    color: var(--text-primary);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    background: var(--surface-color);
}

.cart-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cart-item-price {
    color: var(--primary-color);
    font-weight: 600;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.checkout-btn {
    width: 100%;
    background: #25d366;
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.checkout-btn:hover {
    background: #128c7e;
}

/* Checkout Modal */
.checkout-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1002;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.checkout-modal.show {
    display: flex;
}

.checkout-content {
    background: var(--card-bg);
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.checkout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 16px 16px 0 0;
}

.checkout-header h3 {
    margin: 0;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkout-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.checkout-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.checkout-form {
    padding: 1.5rem;
}

.form-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.form-section h4 {
    margin: 0 0 1rem 0;
    color: var(--primary-color);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.payment-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--card-bg);
}

.payment-option:hover {
    border-color: var(--primary-color);
    background: rgba(34, 197, 94, 0.05);
}

.payment-option input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    transition: all 0.3s ease;
}

.payment-option input[type="radio"]:checked + .radio-custom {
    border-color: var(--primary-color);
    background: var(--primary-color);
}

.payment-option input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

.payment-option i {
    color: var(--primary-color);
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.order-summary {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    max-height: 200px;
    overflow-y: auto;
}

.order-summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.order-summary-item:last-child {
    border-bottom: none;
}

.order-summary-total {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
    border-top: 2px solid var(--primary-color);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
}

.checkout-actions {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.checkout-actions .btn {
    flex: 1;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

/* Responsive Design for Checkout */
@media (max-width: 768px) {
    .checkout-content {
        max-width: 95%;
        margin: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .checkout-actions {
        flex-direction: column;
    }
    
    .checkout-actions .btn {
        width: 100%;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: 
        linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #3b82f6 50%, #6366f1 75%, #8b5cf6 100%),
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.2) 0%, transparent 50%);
    background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%;
    padding: 2rem;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
    animation: heroBackgroundShift 15s ease-in-out infinite;
}

@keyframes heroBackgroundShift {
    0%, 100% {
        background-position: 0% 0%, 0% 0%, 0% 0%, 0% 0%;
    }
    25% {
        background-position: 100% 0%, 100% 0%, 100% 0%, 100% 0%;
    }
    50% {
        background-position: 100% 100%, 100% 100%, 100% 100%, 100% 100%;
    }
    75% {
        background-position: 0% 100%, 0% 100%, 0% 100%, 0% 100%;
    }
}

/* Soda Bubbles Animation */
.soda-bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.bubble {
    position: absolute;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.2));
    border-radius: 50%;
    animation: bubbleRise 8s linear infinite;
    box-shadow: 
        inset 0 0 10px rgba(255, 255, 255, 0.3),
        0 0 10px rgba(255, 255, 255, 0.2);
}

.bubble:nth-child(1) { left: 10%; width: 20px; height: 20px; animation-delay: 0s; animation-duration: 12s; }
.bubble:nth-child(2) { left: 20%; width: 15px; height: 15px; animation-delay: 2s; animation-duration: 10s; }
.bubble:nth-child(3) { left: 30%; width: 25px; height: 25px; animation-delay: 4s; animation-duration: 14s; }
.bubble:nth-child(4) { left: 40%; width: 18px; height: 18px; animation-delay: 1s; animation-duration: 11s; }
.bubble:nth-child(5) { left: 50%; width: 22px; height: 22px; animation-delay: 3s; animation-duration: 13s; }
.bubble:nth-child(6) { left: 60%; width: 16px; height: 16px; animation-delay: 5s; animation-duration: 9s; }
.bubble:nth-child(7) { left: 70%; width: 24px; height: 24px; animation-delay: 2.5s; animation-duration: 15s; }
.bubble:nth-child(8) { left: 80%; width: 19px; height: 19px; animation-delay: 1.5s; animation-duration: 12.5s; }
.bubble:nth-child(9) { left: 90%; width: 21px; height: 21px; animation-delay: 3.5s; animation-duration: 11.5s; }
.bubble:nth-child(10) { left: 15%; width: 17px; height: 17px; animation-delay: 6s; animation-duration: 13.5s; }
.bubble:nth-child(11) { left: 25%; width: 23px; height: 23px; animation-delay: 4.5s; animation-duration: 10.5s; }
.bubble:nth-child(12) { left: 35%; width: 14px; height: 14px; animation-delay: 7s; animation-duration: 14.5s; }

@keyframes bubbleRise {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        transform: translateY(90vh) scale(1);
        opacity: 1;
    }
    90% {
        transform: translateY(10vh) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(0) scale(0);
        opacity: 0;
    }
}

/* Scientific Background Layers */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    animation: backgroundPulse 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="scientific-grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.08)" stroke-width="0.3"/><circle cx="10" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23scientific-grid)"/></svg>');
    animation: gridMove 30s linear infinite;
    opacity: 0.6;
}

/* Scientific Particle System */
.scientific-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: particleFloat 15s linear infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 20s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 18s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 22s; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; animation-duration: 16s; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; animation-duration: 24s; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; animation-duration: 19s; }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; animation-duration: 21s; }
.particle:nth-child(8) { left: 80%; animation-delay: 14s; animation-duration: 17s; }
.particle:nth-child(9) { left: 90%; animation-delay: 16s; animation-duration: 23s; }

/* Energy Flow Lines */
.energy-flow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.flow-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: flowMove 12s linear infinite;
}

.flow-line:nth-child(1) { top: 20%; width: 60%; animation-delay: 0s; }
.flow-line:nth-child(2) { top: 40%; width: 80%; animation-delay: 3s; }
.flow-line:nth-child(3) { top: 60%; width: 70%; animation-delay: 6s; }
.flow-line:nth-child(4) { top: 80%; width: 50%; animation-delay: 9s; }

/* Circuit Board Pattern */
.circuit-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><defs><pattern id="circuit" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 0 25 L 50 25 M 25 0 L 25 50" stroke="rgba(255,255,255,0.05)" stroke-width="1" fill="none"/><circle cx="25" cy="25" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="0" cy="25" r="1" fill="rgba(255,255,255,0.2)"/><circle cx="50" cy="25" r="1" fill="rgba(255,255,255,0.2)"/><circle cx="25" cy="0" r="1" fill="rgba(255,255,255,0.2)"/><circle cx="25" cy="50" r="1" fill="rgba(255,255,255,0.2)"/></pattern></defs><rect width="200" height="200" fill="url(%23circuit)"/></svg>');
    opacity: 0.3;
    animation: circuitGlow 10s ease-in-out infinite;
}

/* Scientific Data Visualization */
.scientific-data {
    position: absolute;
    left: 5%;
    top: 20%;
    z-index: 1;
    color: rgba(255, 255, 255, 0.7);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
}

.data-line {
    margin: 0.5rem 0;
    animation: dataFade 3s ease-in-out infinite;
    opacity: 0;
}

.data-line:nth-child(1) { animation-delay: 0s; }
.data-line:nth-child(2) { animation-delay: 0.5s; }
.data-line:nth-child(3) { animation-delay: 1s; }
.data-line:nth-child(4) { animation-delay: 1.5s; }
.data-line:nth-child(5) { animation-delay: 2s; }

@keyframes dataFade {
    0%, 100% { opacity: 0; transform: translateX(-10px); }
    50% { opacity: 1; transform: translateX(0); }
}

/* DNA Helix Animation */
.dna-helix {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    width: 100px;
    height: 300px;
    z-index: 1;
}

.dna-strand {
    position: absolute;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    left: 50%;
    transform: translateX(-50%);
}

.dna-base {
    position: absolute;
    width: 40px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    left: 50%;
    transform: translateX(-50%);
    animation: dnaRotate 4s linear infinite;
}

.dna-base:nth-child(1) { top: 10%; animation-delay: 0s; }
.dna-base:nth-child(2) { top: 20%; animation-delay: 0.5s; }
.dna-base:nth-child(3) { top: 30%; animation-delay: 1s; }
.dna-base:nth-child(4) { top: 40%; animation-delay: 1.5s; }
.dna-base:nth-child(5) { top: 50%; animation-delay: 2s; }
.dna-base:nth-child(6) { top: 60%; animation-delay: 2.5s; }
.dna-base:nth-child(7) { top: 70%; animation-delay: 3s; }
.dna-base:nth-child(8) { top: 80%; animation-delay: 3.5s; }
.dna-base:nth-child(9) { top: 90%; animation-delay: 4s; }

/* Animation Keyframes */
@keyframes backgroundPulse {
    0%, 100% { 
        opacity: 0.8;
        transform: scale(1);
    }
    50% { 
        opacity: 1;
        transform: scale(1.05);
    }
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(20px, 20px); }
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(10vh) scale(1);
    }
    100% {
        transform: translateY(0) scale(0);
        opacity: 0;
    }
}

@keyframes flowMove {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes circuitGlow {
    0%, 100% { 
        opacity: 0.3;
        filter: brightness(1);
    }
    50% { 
        opacity: 0.5;
        filter: brightness(1.2);
    }
}

@keyframes dnaRotate {
    0% {
        transform: translateX(-50%) rotateY(0deg);
        background: rgba(255, 255, 255, 0.3);
    }
    50% {
        transform: translateX(-50%) rotateY(180deg);
        background: rgba(16, 185, 129, 0.6);
    }
    100% {
        transform: translateX(-50%) rotateY(360deg);
        background: rgba(255, 255, 255, 0.3);
    }
}

/* Transportation Animations */
.transportation-animations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
}

.vehicle {
    position: absolute;
    animation: vehicleFloat 20s linear infinite;
}

.vehicle:nth-child(1) { top: 20%; animation-delay: 0s; animation-duration: 25s; }
.vehicle:nth-child(2) { top: 40%; animation-delay: 5s; animation-duration: 30s; }
.vehicle:nth-child(3) { top: 60%; animation-delay: 10s; animation-duration: 22s; }
.vehicle:nth-child(4) { top: 80%; animation-delay: 15s; animation-duration: 28s; }

@keyframes vehicleFloat {
    0% { transform: translateX(-150px) scale(0.8); opacity: 0; }
    10% { transform: translateX(-100px) scale(0.9); opacity: 1; }
    90% { transform: translateX(calc(100vw + 100px)) scale(0.9); opacity: 1; }
    100% { transform: translateX(calc(100vw + 150px)) scale(0.8); opacity: 0; }
}

/* Electric Bike */
.electric-bike {
    width: 80px;
    height: 40px;
}

.bike-body {
    position: relative;
    width: 100%;
    height: 100%;
}

.bike-frame {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #22c55e, #16a34a);
    transform: translate(-50%, -50%);
    border-radius: 1px;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

.bike-wheel {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid #22c55e;
    border-radius: 50%;
    background: transparent;
    animation: wheelSpin 2s linear infinite;
}

.front-wheel {
    top: 50%;
    left: 10px;
    transform: translateY(-50%);
}

.back-wheel {
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
}

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

.bike-seat {
    position: absolute;
    top: 45%;
    left: 50%;
    width: 15px;
    height: 8px;
    background: #374151;
    border-radius: 4px;
    transform: translate(-50%, -50%);
}

.bike-handlebar {
    position: absolute;
    top: 35%;
    left: 50%;
    width: 20px;
    height: 2px;
    background: #374151;
    border-radius: 1px;
    transform: translate(-50%, -50%);
}

.bike-battery {
    position: absolute;
    top: 55%;
    left: 50%;
    width: 12px;
    height: 6px;
    background: linear-gradient(45deg, #22c55e, #16a34a);
    border-radius: 3px;
    transform: translate(-50%, -50%);
    animation: batteryGlow 2s ease-in-out infinite;
}

.bike-light {
    position: absolute;
    top: 30%;
    left: 50%;
    width: 6px;
    height: 6px;
    background: #fbbf24;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: lightBlink 1s ease-in-out infinite;
}

/* Electric Car */
.electric-car {
    width: 100px;
    height: 50px;
}

.car-body {
    position: relative;
    width: 100%;
    height: 100%;
}

.car-roof {
    position: absolute;
    top: 20%;
    left: 50%;
    width: 40px;
    height: 15px;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border-radius: 8px 8px 0 0;
    transform: translateX(-50%);
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.4);
}

.car-hood {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 80px;
    height: 20px;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border-radius: 0 0 10px 10px;
    transform: translateX(-50%);
}

.car-wheel {
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid #374151;
    border-radius: 50%;
    background: #1f2937;
    animation: wheelSpin 1.5s linear infinite;
}

.front-left { bottom: 5px; left: 15px; }
.front-right { bottom: 5px; left: 35px; }
.back-left { bottom: 5px; right: 35px; }
.back-right { bottom: 5px; right: 15px; }

.car-window {
    position: absolute;
    top: 25%;
    left: 50%;
    width: 30px;
    height: 10px;
    background: rgba(59, 130, 246, 0.3);
    border-radius: 3px;
    transform: translateX(-50%);
}

.car-headlight {
    position: absolute;
    top: 15%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: #fbbf24;
    border-radius: 50%;
    transform: translateX(-50%);
    animation: lightBlink 1.5s ease-in-out infinite;
}

.car-battery-pack {
    position: absolute;
    bottom: 25%;
    left: 50%;
    width: 20px;
    height: 8px;
    background: linear-gradient(45deg, #22c55e, #16a34a);
    border-radius: 4px;
    transform: translateX(-50%);
    animation: batteryGlow 3s ease-in-out infinite;
}

/* Electric Scooter */
.electric-scooter {
    width: 70px;
    height: 45px;
}

.scooter-body {
    position: relative;
    width: 100%;
    height: 100%;
}

.scooter-platform {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 50px;
    height: 12px;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border-radius: 6px;
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.4);
}

.scooter-wheel {
    position: absolute;
    width: 18px;
    height: 18px;
    border: 3px solid #22c55e;
    border-radius: 50%;
    background: transparent;
    animation: wheelSpin 1.8s linear infinite;
}

.scooter-wheel.front-wheel {
    bottom: 6px;
    left: 10px;
}

.scooter-wheel.back-wheel {
    bottom: 6px;
    right: 10px;
}

.scooter-handlebar {
    position: absolute;
    top: 10%;
    left: 50%;
    width: 25px;
    height: 3px;
    background: #374151;
    border-radius: 2px;
    transform: translateX(-50%);
}

.scooter-battery {
    position: absolute;
    top: 30%;
    left: 50%;
    width: 15px;
    height: 8px;
    background: linear-gradient(45deg, #22c55e, #16a34a);
    border-radius: 4px;
    transform: translateX(-50%);
    animation: batteryGlow 2.5s ease-in-out infinite;
}

.scooter-light {
    position: absolute;
    top: 5%;
    left: 50%;
    width: 6px;
    height: 6px;
    background: #fbbf24;
    border-radius: 50%;
    transform: translateX(-50%);
    animation: lightBlink 1.2s ease-in-out infinite;
}

/* Drone */
.drone {
    width: 60px;
    height: 60px;
}

.drone-body {
    position: relative;
    width: 100%;
    height: 100%;
}

.drone-center {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.5);
}

.drone-propeller {
    position: absolute;
    width: 30px;
    height: 2px;
    background: #374151;
    border-radius: 1px;
    animation: propellerSpin 0.5s linear infinite;
}

.prop1 { top: 20%; left: 50%; transform: translateX(-50%); }
.prop2 { bottom: 20%; left: 50%; transform: translateX(-50%); }
.prop3 { top: 50%; left: 20%; transform: translateY(-50%) rotate(90deg); }
.prop4 { top: 50%; right: 20%; transform: translateY(-50%) rotate(90deg); }

@keyframes propellerSpin {
    0% { transform: translateX(-50%) rotate(0deg); }
    100% { transform: translateX(-50%) rotate(360deg); }
}

.drone-camera {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: #1f2937;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.drone-battery {
    position: absolute;
    bottom: 10%;
    left: 50%;
    width: 12px;
    height: 6px;
    background: linear-gradient(45deg, #22c55e, #16a34a);
    border-radius: 3px;
    transform: translateX(-50%);
    animation: batteryGlow 2s ease-in-out infinite;
}

/* Energy Trails */
.energy-trail {
    position: absolute;
    top: 50%;
    left: -20px;
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #22c55e, transparent);
    transform: translateY(-50%);
    animation: trailGlow 1s ease-in-out infinite;
}

@keyframes trailGlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

@keyframes batteryGlow {
    0%, 100% { box-shadow: 0 0 5px rgba(34, 197, 94, 0.5); }
    50% { box-shadow: 0 0 15px rgba(34, 197, 94, 0.8); }
}

@keyframes lightBlink {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* Vehicle Particles */
.vehicle-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.vehicle-particles .particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: #22c55e;
    border-radius: 50%;
    animation: vehicleParticleFloat 8s linear infinite;
}

.vehicle-particles .particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 10s; }
.vehicle-particles .particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 12s; }
.vehicle-particles .particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 8s; }
.vehicle-particles .particle:nth-child(4) { left: 40%; animation-delay: 6s; animation-duration: 15s; }
.vehicle-particles .particle:nth-child(5) { left: 50%; animation-delay: 8s; animation-duration: 11s; }
.vehicle-particles .particle:nth-child(6) { left: 60%; animation-delay: 10s; animation-duration: 13s; }
.vehicle-particles .particle:nth-child(7) { left: 70%; animation-delay: 12s; animation-duration: 9s; }
.vehicle-particles .particle:nth-child(8) { left: 80%; animation-delay: 14s; animation-duration: 14s; }

@keyframes vehicleParticleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        transform: translateY(90vh) scale(1);
        opacity: 1;
    }
    90% {
        transform: translateY(10vh) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(0) scale(0);
        opacity: 0;
    }
}

/* Floating Energy Icons */
.floating-energy-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.energy-icon {
    position: absolute;
    font-size: 1.5rem;
    color: #22c55e;
    animation: energyIconFloat 15s linear infinite;
    text-shadow: 0 0 10px rgba(34, 197, 94, 0.6);
}

.battery-icon { top: 15%; left: 10%; animation-delay: 0s; animation-duration: 20s; }
.bolt-icon { top: 25%; left: 85%; animation-delay: 3s; animation-duration: 18s; }
.leaf-icon { top: 45%; left: 15%; animation-delay: 6s; animation-duration: 22s; }
.plug-icon { top: 65%; left: 80%; animation-delay: 9s; animation-duration: 16s; }
.solar-icon { top: 85%; left: 20%; animation-delay: 12s; animation-duration: 25s; }
.wind-icon { top: 35%; left: 75%; animation-delay: 15s; animation-duration: 19s; }

@keyframes energyIconFloat {
    0% {
        transform: translateY(100vh) rotate(0deg) scale(0.8);
        opacity: 0;
    }
    10% {
        transform: translateY(90vh) rotate(36deg) scale(1);
        opacity: 1;
    }
    90% {
        transform: translateY(10vh) rotate(324deg) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(0) rotate(360deg) scale(0.8);
        opacity: 0;
    }
}

/* Speed Lines */
.speed-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.speed-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, #22c55e, transparent);
    animation: speedLineMove 8s linear infinite;
}

.speed-line:nth-child(1) { top: 30%; width: 40%; animation-delay: 0s; animation-duration: 10s; }
.speed-line:nth-child(2) { top: 50%; width: 60%; animation-delay: 2s; animation-duration: 12s; }
.speed-line:nth-child(3) { top: 70%; width: 35%; animation-delay: 4s; animation-duration: 8s; }
.speed-line:nth-child(4) { top: 20%; width: 50%; animation-delay: 6s; animation-duration: 14s; }
.speed-line:nth-child(5) { top: 80%; width: 45%; animation-delay: 8s; animation-duration: 11s; }
.speed-line:nth-child(6) { top: 40%; width: 30%; animation-delay: 10s; animation-duration: 13s; }

@keyframes speedLineMove {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    10% {
        transform: translateX(-80%);
        opacity: 1;
    }
    90% {
        transform: translateX(80%);
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

    .hero-content {
        flex: 1;
        max-width: 600px;
        color: white;
        position: relative;
        z-index: 2;
        animation: slideInLeft 1s ease-out, mobileContentFloat 18s ease-in-out infinite;
    }

.hero-title {
    position: relative;
    margin-bottom: 1.5rem;
}

.hero-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--hero-gradient);
    animation: titleUnderline 2s ease-out 1s forwards;
    border-radius: 2px;
}

@keyframes titleUnderline {
    to {
        width: 100%;
    }
}

.hero-subtitle {
    position: relative;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-subtitle::before {
    content: '⚡';
    position: absolute;
    left: -30px;
    top: 0;
    font-size: 1.2rem;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { 
        transform: scale(1) rotate(0deg);
        opacity: 0.7;
    }
    50% { 
        transform: scale(1.2) rotate(180deg);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes mobileContentFloat {
    0%, 100% { 
        transform: translateY(0px);
    }
    50% { 
        transform: translateY(-3px);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--surface-color);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

    .hero-visual {
        flex: 1;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        z-index: 2;
        animation: slideInRight 1s ease-out 0.3s both, mobileVisualFloat 15s ease-in-out infinite;
    }

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes mobileVisualFloat {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg);
    }
    50% { 
        transform: translateY(-5px) rotate(1deg);
    }
}

.battery-animation {
    position: relative;
    width: 200px;
    height: 200px;
    animation: batteryGlow 3s ease-in-out infinite;
}

.battery-animation::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: batteryPulse 4s ease-in-out infinite;
}

.battery-animation::after {
    content: '';
    position: absolute;
    top: -40px;
    left: -40px;
    right: -40px;
    bottom: -40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: batteryPulse 6s ease-in-out infinite reverse;
}

@keyframes batteryGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 10px var(--battery-color));
    }
    50% { 
        filter: drop-shadow(0 0 30px var(--battery-color));
    }
}

@keyframes batteryPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.6;
    }
}

.battery {
    width: 80px;
    height: 120px;
    border: 4px solid white;
    border-radius: 8px;
    position: relative;
    margin: 0 auto;
}

.battery::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 10px;
    background: white;
    border-radius: 4px 4px 0 0;
}

.battery-level {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60%;
    background: linear-gradient(to top, #22c55e, #16a34a, #15803d);
    border-radius: 0 0 4px 4px;
    animation: charge 2s ease-in-out infinite;
    box-shadow: 
        inset 0 0 10px rgba(34, 197, 94, 0.3),
        0 0 20px rgba(34, 197, 94, 0.2);
}

@keyframes charge {
    0%, 100% { height: 60%; }
    50% { height: 80%; }
}

.energy-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.energy-particles::before,
.energy-particles::after,
.energy-particles .particle {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: linear-gradient(45deg, #22c55e, #16a34a);
    border-radius: 50%;
    animation: float 3s ease-in-out infinite;
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

.energy-particles::before {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.energy-particles::after {
    top: 60%;
    right: 20%;
    animation-delay: 1.5s;
}

.energy-particles .particle:nth-child(1) {
    top: 40%;
    left: 10%;
    animation-delay: 0.5s;
}

.energy-particles .particle:nth-child(2) {
    top: 80%;
    left: 60%;
    animation-delay: 1s;
}

.energy-particles .particle:nth-child(3) {
    top: 10%;
    right: 30%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 1; }
    50% { transform: translateY(-20px) scale(1.2); opacity: 0.7; }
}

/* Banner Section */
.banner-section {
    position: relative;
    height: 400px;
    overflow: hidden;
    background: var(--surface-color);
}

/* High-level responsive adjustments - only for smaller screens */
@media (max-width: 768px) {
    .banner-section {
        height: 350px;
    }
}

@media (max-width: 480px) {
    .banner-section {
        height: 300px;
    }
    
    /* Mobile-only fix for banner images - zoom out and fit */
    .banner-slide img {
        object-fit: contain !important;
        object-position: center;
        background: var(--surface-color);
        padding: 10px;
    }
}

.banner-slider {
    height: 100%;
    position: relative;
}

    .banner-slide {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        transition: opacity 0.5s ease;
        animation: mobileSlideGlow 8s ease-in-out infinite;
    }
    
    @keyframes mobileSlideGlow {
        0%, 100% { 
            filter: brightness(1);
        }
        50% { 
            filter: brightness(1.1);
        }
    }

.banner-slide.active {
    opacity: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
}

.banner-prev, .banner-next {
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.3);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.banner-prev:hover, .banner-next:hover {
    background: rgba(0, 0, 0, 0.9);
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s ease;
}

.banner-dot.active {
    background: white;
}

/* Products Section */
.products-section {
    padding: 5rem 0;
    background: var(--background-color);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

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

    .product-card {
        background: var(--card-bg);
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 4px 20px var(--shadow-color);
        transition: all 0.3s ease;
        border: 1px solid var(--border-color);
        position: relative;
        animation: mobileCardFloat 10s ease-in-out infinite;
    }
    
    @keyframes mobileCardFloat {
        0%, 100% { 
            transform: translateY(0px);
            box-shadow: 0 4px 20px var(--shadow-color);
        }
        50% { 
            transform: translateY(-3px);
            box-shadow: 0 6px 25px var(--shadow-color);
        }
    }

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

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

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-content {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.product-variants {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.variant-tag {
    background: var(--surface-color);
    color: var(--text-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Variant Selection Styles */
.variant-selection {
    margin-bottom: 1rem;
}

.variant-selection label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.variant-select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.variant-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.variant-select:hover {
    border-color: var(--primary-color);
}

/* GST Note Styles */
.gst-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-left: 0.5rem;
}

.product-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.buy-now-btn {
    flex: 2;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    border: none;
    padding: 0.8rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.buy-now-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.buy-now-btn:hover::before {
    left: 100%;
}

.buy-now-btn:hover {
    background: linear-gradient(135deg, #16a34a, #15803d);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.add-to-cart-btn {
    flex: 1;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-to-cart-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.whatsapp-btn {
    background: #25d366;
    color: white;
    border: none;
    padding: 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 50px;
}

.whatsapp-btn:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

/* Services Section */
.services-section {
    padding: 5rem 0;
    background: var(--surface-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

    .service-card {
        background: var(--card-bg);
        padding: 2rem;
        border-radius: 16px;
        text-align: center;
        box-shadow: 0 4px 20px var(--shadow-color);
        transition: all 0.3s ease;
        border: 1px solid var(--border-color);
        position: relative;
        overflow: hidden;
        animation: mobileServiceGlow 12s ease-in-out infinite;
    }

@keyframes mobileServiceGlow {
    0%, 100% { 
        border-color: var(--border-color);
        box-shadow: 0 4px 20px var(--shadow-color);
    }
    50% { 
        border-color: rgba(34, 197, 94, 0.3);
        box-shadow: 0 6px 25px rgba(34, 197, 94, 0.1);
    }
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--hero-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.service-card:hover::after {
    opacity: 0.05;
}

.service-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.service-card > * {
    position: relative;
    z-index: 2;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--hero-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    transition: all 0.3s ease;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 var(--pulse-color);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 0 0 0 10px var(--pulse-color);
    }
}

.service-card:hover .service-icon {
    animation: iconSpin 0.6s ease-in-out;
}

@keyframes iconSpin {
    0% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(180deg); }
    100% { transform: scale(1) rotate(360deg); }
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background: var(--background-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-diagram {
    position: relative;
    width: 300px;
    height: 300px;
}

.diagram-element {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.diagram-element:nth-child(1) {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.diagram-element:nth-child(2) {
    bottom: 0;
    left: 0;
}

.diagram-element:nth-child(3) {
    bottom: 0;
    right: 0;
}

.diagram-element i {
    font-size: 2rem;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
    background: var(--surface-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 40px;
    text-align: center;
}

.contact-item h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
}

.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* WhatsApp Chat Button */
.whatsapp-chat {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
}

.whatsapp-bubble {
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    animation: mobileWhatsAppPulse 8s ease-in-out infinite, float 3s ease-in-out infinite;
    position: relative;
}

.whatsapp-bubble:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-bubble::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid #25d366;
    border-radius: 50%;
    animation: ripple 2s infinite;
    opacity: 0;
}

@keyframes pulse {
    0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3); }
    50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6); }
    100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3); }
}

@keyframes mobileWhatsAppPulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
    }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.whatsapp-tooltip {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    white-space: nowrap;
    box-shadow: 0 4px 20px var(--shadow-color);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 20px;
    border: 8px solid transparent;
    border-top-color: var(--card-bg);
}

.whatsapp-chat:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateY(0);
}

/* Live Chat Notification */
.live-chat-notification {
    position: fixed;
    bottom: 100px;
    right: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 8px 30px var(--shadow-color);
    border: 1px solid var(--border-color);
    z-index: 999;
    transform: translateX(400px);
    transition: transform 0.5s ease;
    max-width: 300px;
    animation: slideInNotification 0.5s ease 3s forwards;
}

@keyframes slideInNotification {
    to {
        transform: translateX(0);
    }
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
}

.notification-avatar {
    font-size: 2rem;
    color: var(--primary-color);
}

.notification-text {
    flex: 1;
}

.notification-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.notification-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.notification-close:hover {
    background: var(--surface-color);
    color: var(--text-primary);
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 1001;
}

.progress-fill {
    height: 100%;
    background: var(--hero-gradient);
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--primary-color);
}

/* Engagement Popup */
.engagement-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.engagement-popup.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    text-align: center;
    transform: scale(0.8);
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px var(--shadow-color);
}

.engagement-popup.show .popup-content {
    transform: scale(1);
}

.popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.popup-header h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin: 0;
}

.popup-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.popup-close:hover {
    background: var(--surface-color);
    color: var(--text-primary);
}

.popup-body p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.popup-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.popup-actions .btn {
    width: 100%;
    justify-content: center;
}

/* Floating Elements Animation */
.floating-element {
    position: absolute;
    pointer-events: none;
    animation: floatAround 20s linear infinite;
    opacity: 0.1;
    color: var(--primary-color);
    z-index: 1;
}

@keyframes floatAround {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(100px, -50px) rotate(90deg);
    }
    50% {
        transform: translate(50px, -100px) rotate(180deg);
    }
    75% {
        transform: translate(-50px, -50px) rotate(270deg);
    }
    100% {
        transform: translate(0, 0) rotate(360deg);
    }
}

/* Enhanced Button Animations */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

/* Enhanced Card Animations */
.product-card, .service-card {
    transition: all 0.3s ease;
}

.product-card:hover, .service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 8px 30px var(--shadow-color);
}

/* Pulse Animation for Important Elements */
.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 var(--pulse-color);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px var(--pulse-color);
    }
}

/* Glow Effect for Interactive Elements */
.glow-effect {
    transition: all 0.3s ease;
}

.glow-effect:hover {
    box-shadow: 0 0 20px var(--primary-color);
    transform: translateY(-2px);
}

/* Loading Animation */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--surface-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Text Animation */
.animated-text {
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textGlow 2s ease-in-out infinite;
}

@keyframes textGlow {
    0%, 100% {
        filter: drop-shadow(0 0 5px var(--primary-color));
    }
    50% {
        filter: drop-shadow(0 0 20px var(--primary-color));
    }
}

/* Footer */
.footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-logo {
    height: 50px;
    margin-bottom: 1rem;
    filter: 
        drop-shadow(0 0 20px rgba(34, 197, 94, 0.6))
        drop-shadow(0 0 40px rgba(34, 197, 94, 0.3))
        brightness(1.05) contrast(1.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    mix-blend-mode: multiply;
    border-radius: 6px;
    padding: 3px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.08), rgba(16, 185, 129, 0.04));
    backdrop-filter: blur(3px);
    position: relative;
}

.footer-logo::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: linear-gradient(45deg, #22c55e, #16a34a, #15803d);
    border-radius: 8px;
    opacity: 0.2;
    z-index: -1;
    transition: opacity 0.3s ease;
    animation: footerLogoGlow 5s ease-in-out infinite;
}

.footer-logo:hover {
    transform: scale(1.12) rotate(3deg);
    filter: 
        drop-shadow(0 0 25px rgba(34, 197, 94, 0.8))
        drop-shadow(0 0 50px rgba(34, 197, 94, 0.4))
        brightness(1.1) contrast(1.1);
}

.footer-logo:hover::before {
    opacity: 0.4;
    animation: footerLogoGlow 2s ease-in-out infinite;
}

@keyframes footerLogoGlow {
    0%, 100% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.2); opacity: 0.4; }
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
        margin-top: 120px; /* Increased margin to prevent logo overlap */
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    /* Mobile-optimized animations */
    .scientific-particles,
    .energy-flow,
    .circuit-pattern,
    .dna-helix,
    .scientific-data,
    .soda-bubbles,
    .transportation-animations,
    .floating-energy-icons,
    .speed-lines,
    .vehicle-particles {
        display: none;
    }
    
    /* Mobile Hero Background Animations */
    .hero::before {
        animation: mobileBackgroundPulse 8s ease-in-out infinite;
    }
    
    .hero::after {
        animation: mobileGridMove 12s ease-in-out infinite;
    }
    
    @keyframes mobileBackgroundPulse {
        0%, 100% { 
            opacity: 0.3;
            transform: scale(1);
        }
        50% { 
            opacity: 0.5;
            transform: scale(1.05);
        }
    }
    
    @keyframes mobileGridMove {
        0%, 100% { 
            transform: translateX(0px) translateY(0px);
        }
        50% { 
            transform: translateX(-10px) translateY(-5px);
        }
    }
    
    /* Mobile Hero Animations */
    .hero-title {
        animation: mobileTitleGlow 4s ease-in-out infinite;
    }
    
    .hero-subtitle {
        animation: mobileSubtitleFade 5s ease-in-out infinite;
    }
    
    .hero-actions .btn {
        animation: mobileButtonPulse 6s ease-in-out infinite;
    }
    
    /* Mobile Battery Animation */
    .battery-animation {
        animation: mobileBatteryGlow 5s ease-in-out infinite;
    }
    
    .battery-animation::before {
        animation: mobileBatteryPulse 4s ease-in-out infinite;
    }
    
    .battery-animation::after {
        animation: mobileEnergyFlow 6s ease-in-out infinite;
    }
    
    .battery {
        animation: mobileBatteryCharge 8s ease-in-out infinite;
    }
    
    .battery-level {
        animation: mobileChargeLevel 10s ease-in-out infinite;
    }
    
    /* Mobile Energy Particles */
    .energy-particles {
        animation: mobileParticleFloat 12s ease-in-out infinite;
    }
    
    .energy-particles::before {
        animation: mobileParticleGlow 10s ease-in-out infinite;
    }
    
    .energy-particles::after {
        animation: mobileParticleTrail 11s ease-in-out infinite;
    }
    
    .energy-particles .particle:nth-child(1) {
        animation: mobileParticle1 8s ease-in-out infinite;
    }
    
    .energy-particles .particle:nth-child(2) {
        animation: mobileParticle2 9s ease-in-out infinite;
    }
    
    .energy-particles .particle:nth-child(3) {
        animation: mobileParticle3 10s ease-in-out infinite;
    }
    
    @keyframes mobileTitleGlow {
        0%, 100% { 
            filter: drop-shadow(0 0 5px rgba(34, 197, 94, 0.3));
            transform: scale(1);
        }
        50% { 
            filter: drop-shadow(0 0 15px rgba(34, 197, 94, 0.6));
            transform: scale(1.02);
        }
    }
    
    @keyframes mobileSubtitleFade {
        0%, 100% { 
            opacity: 0.9;
            transform: translateY(0px);
        }
        50% { 
            opacity: 1;
            transform: translateY(-2px);
        }
    }
    
    @keyframes mobileButtonPulse {
        0%, 100% { 
            transform: scale(1);
            box-shadow: 0 4px 15px rgba(34, 197, 94, 0.2);
        }
        50% { 
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
        }
    }
    
    /* Mobile Battery Animation Keyframes */
    @keyframes mobileBatteryGlow {
        0%, 100% { 
            filter: drop-shadow(0 0 10px rgba(34, 197, 94, 0.3));
            transform: scale(1);
        }
        50% { 
            filter: drop-shadow(0 0 20px rgba(34, 197, 94, 0.6));
            transform: scale(1.02);
        }
    }
    
    @keyframes mobileBatteryPulse {
        0%, 100% { 
            opacity: 0.2;
            transform: scale(1);
        }
        50% { 
            opacity: 0.4;
            transform: scale(1.1);
        }
    }
    
    @keyframes mobileEnergyFlow {
        0%, 100% { 
            opacity: 0.1;
            transform: translateX(0px);
        }
        50% { 
            opacity: 0.3;
            transform: translateX(5px);
        }
    }
    
    @keyframes mobileBatteryCharge {
        0%, 100% { 
            transform: scale(1);
            filter: brightness(1);
        }
        50% { 
            transform: scale(1.05);
            filter: brightness(1.2);
        }
    }
    
    @keyframes mobileChargeLevel {
        0%, 100% { 
            height: 60%;
            background: linear-gradient(to top, #22c55e, #16a34a, #15803d);
        }
        50% { 
            height: 80%;
            background: linear-gradient(to top, #22c55e, #16a34a, #15803d);
        }
    }
    
    /* Mobile Energy Particle Keyframes */
    @keyframes mobileParticleFloat {
        0%, 100% { 
            transform: translateY(0px) rotate(0deg);
        }
        50% { 
            transform: translateY(-10px) rotate(180deg);
        }
    }
    
    @keyframes mobileParticleGlow {
        0%, 100% { 
            opacity: 0.3;
            filter: blur(2px);
        }
        50% { 
            opacity: 0.6;
            filter: blur(1px);
        }
    }
    
    @keyframes mobileParticleTrail {
        0%, 100% { 
            opacity: 0.1;
            transform: scale(1);
        }
        50% { 
            opacity: 0.3;
            transform: scale(1.2);
        }
    }
    
    @keyframes mobileParticle1 {
        0%, 100% { 
            transform: translateX(0px) translateY(0px);
            opacity: 0.8;
        }
        33% { 
            transform: translateX(5px) translateY(-5px);
            opacity: 1;
        }
        66% { 
            transform: translateX(-3px) translateY(3px);
            opacity: 0.6;
        }
    }
    
    @keyframes mobileParticle2 {
        0%, 100% { 
            transform: translateX(0px) translateY(0px);
            opacity: 0.6;
        }
        33% { 
            transform: translateX(-4px) translateY(-3px);
            opacity: 1;
        }
        66% { 
            transform: translateX(6px) translateY(2px);
            opacity: 0.8;
        }
    }
    
    @keyframes mobileParticle3 {
        0%, 100% { 
            transform: translateX(0px) translateY(0px);
            opacity: 0.7;
        }
        33% { 
            transform: translateX(3px) translateY(-4px);
            opacity: 1;
        }
        66% { 
            transform: translateX(-5px) translateY(1px);
            opacity: 0.5;
        }
    }
    
    .banner-controls {
        padding: 0 1rem;
    }
    
    .banner-prev, .banner-next {
        width: 40px;
        height: 40px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .whatsapp-chat {
        bottom: 1rem;
        right: 1rem;
    }
    
    .whatsapp-bubble {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .cart-toggle {
        animation: mobileCartSlide 6s ease-in-out infinite;
    }
    
    @keyframes mobileCartSlide {
        0%, 100% { 
            transform: translateX(0px);
        }
        50% { 
            transform: translateX(8px);
        }
    }
    
    /* Mobile Product Styles */
    .product-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .buy-now-btn,
    .add-to-cart-btn {
        flex: none;
        width: 100%;
    }
    
    .whatsapp-btn {
        width: 100%;
        min-width: auto;
    }
    
    .variant-select {
        font-size: 0.85rem;
        padding: 0.7rem;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 1rem;
    }
    
    .nav-brand {
        padding: 0.3rem 0.8rem;
        gap: 0.8rem;
    }
    
    .logo {
        height: 40px;
        animation: mobileLogoPulse 8s ease-in-out infinite;
        filter: 
            drop-shadow(0 0 20px rgba(34, 197, 94, 0.8))
            drop-shadow(0 0 40px rgba(34, 197, 94, 0.4))
            brightness(1.1) contrast(1.1);
        padding: 3px;
        background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(16, 185, 129, 0.05));
        backdrop-filter: blur(3px);
        border-radius: 6px;
    }
    
    .logo:hover {
        transform: scale(1.1) rotate(5deg);
        filter: 
            drop-shadow(0 0 25px rgba(34, 197, 94, 1))
            drop-shadow(0 0 50px rgba(34, 197, 94, 0.6))
            brightness(1.2) contrast(1.2);
    }
    
    .logo::before {
        content: '';
        position: absolute;
        top: -4px;
        left: -4px;
        right: -4px;
        bottom: -4px;
        background: linear-gradient(45deg, #22c55e, #16a34a, #15803d);
        border-radius: 8px;
        opacity: 0.3;
        z-index: -1;
        transition: opacity 0.3s ease;
        animation: mobileGlowPulse 12s ease-in-out infinite;
    }
    
    .logo::after {
        content: '';
        position: absolute;
        top: -1px;
        left: -1px;
        right: -1px;
        bottom: -1px;
        background: linear-gradient(45deg, transparent, rgba(34, 197, 94, 0.3), transparent);
        border-radius: 7px;
        opacity: 0;
        z-index: -1;
        transition: opacity 0.3s ease;
    }
    
    .logo:hover::before {
        opacity: 0.5;
        animation: logoGlow 2s ease-in-out infinite;
    }
    
    .logo:hover::after {
        opacity: 1;
        animation: logoShimmer 1.5s ease-in-out infinite;
    }
    
    .nav-brand {
        padding: 0.5rem 1rem;
        gap: 0.8rem;
        background: linear-gradient(135deg, rgba(34, 197, 94, 0.08), rgba(16, 185, 129, 0.05));
        border: 2px solid rgba(34, 197, 94, 0.15);
        backdrop-filter: blur(8px);
        border-radius: 16px;
        box-shadow: 
            0 4px 20px rgba(34, 197, 94, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
        display: flex;
        align-items: center;
        flex-wrap: nowrap;
        min-width: 0;
        width: auto;
        animation: mobileBrandFloat 10s ease-in-out infinite;
    }
    
    .nav-brand::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(34, 197, 94, 0.2), transparent);
        transition: left 0.6s ease;
        animation: mobileShimmer 10s ease-in-out infinite;
    }
    
    .nav-brand::after {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(34, 197, 94, 0.1) 0%, transparent 70%);
        opacity: 0.2;
        transition: opacity 0.4s ease;
        animation: mobileGlowPulse 15s ease-in-out infinite;
    }
    
    .nav-brand:hover::before {
        left: 100%;
    }
    
    .nav-brand:hover::after {
        opacity: 1;
    }
    
    .nav-brand:hover {
        background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(16, 185, 129, 0.1));
        border-color: rgba(34, 197, 94, 0.4);
        transform: translateY(-2px) scale(1.02);
        box-shadow: 
            0 8px 30px rgba(34, 197, 94, 0.2),
            0 0 0 1px rgba(34, 197, 94, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
    
    .brand-text {
        font-size: 1.3rem;
        font-weight: 800;
        background: linear-gradient(135deg, #22c55e, #16a34a, #15803d, #22c55e);
        background-size: 200% 200%;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        animation: mobileTextGlow 6s ease-in-out infinite;
        letter-spacing: 0.2px;
        white-space: nowrap;
        overflow: visible;
        text-overflow: clip;
        display: block;
        line-height: 1.2;
    }
    
    .brand-text:hover {
        transform: translateY(-2px) scale(1.03);
        filter: drop-shadow(0 4px 8px rgba(34, 197, 94, 0.4));
        animation: brandTextGlow 1.5s ease-in-out infinite;
    }
    
    .brand-text::before {
        content: '';
        position: absolute;
        top: -2px;
        left: -2px;
        right: -2px;
        bottom: -2px;
        background: linear-gradient(135deg, #22c55e, #16a34a, #15803d);
        border-radius: 6px;
        opacity: 0;
        z-index: -1;
        transition: opacity 0.3s ease;
        filter: blur(6px);
    }
    
    .brand-text::after {
        content: '';
        position: absolute;
        bottom: -3px;
        left: 0;
        width: 0;
        height: 2px;
        background: linear-gradient(90deg, #22c55e, #16a34a, #15803d);
        border-radius: 1px;
        transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
    }
    
    .brand-text:hover::before {
        opacity: 0.3;
    }
    
    .brand-text:hover::after {
        width: 100%;
        animation: brandUnderline 2s ease-in-out infinite;
    }
    
    /* Additional mobile text fixes */
    .nav {
        padding: 0.8rem 1rem;
        min-height: 70px;
    }
    
    .nav-brand .brand-text {
        max-width: none;
        min-width: auto;
        text-align: left;
    }
    
    /* Mobile Animation Keyframes */
    @keyframes mobileShimmer {
        0%, 100% { left: -100%; }
        50% { left: 100%; }
    }
    
    @keyframes mobileLogoPulse {
        0%, 100% { 
            transform: scale(1);
            filter: drop-shadow(0 0 20px rgba(34, 197, 94, 0.8));
        }
        50% { 
            transform: scale(1.05);
            filter: drop-shadow(0 0 30px rgba(34, 197, 94, 1));
        }
    }
    
    @keyframes mobileTextGlow {
        0%, 100% { 
            background-position: 0% 0%;
            filter: drop-shadow(0 2px 4px rgba(34, 197, 94, 0.3));
        }
        50% { 
            background-position: 100% 100%;
            filter: drop-shadow(0 4px 8px rgba(34, 197, 94, 0.6));
        }
    }
    
    @keyframes mobileBrandFloat {
        0%, 100% { 
            transform: translateY(0px);
            box-shadow: 0 4px 20px rgba(34, 197, 94, 0.1);
        }
        50% { 
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(34, 197, 94, 0.15);
        }
    }
    
    @keyframes mobileGlowPulse {
        0%, 100% { 
            opacity: 0.3;
            transform: scale(1);
        }
        50% { 
            opacity: 0.6;
            transform: scale(1.1);
        }
    }
    
    .brand-text {
        font-size: 1.3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}