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

:root {
    /* Colors */
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    
    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --text-white: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --bg-card: #ffffff;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 5rem 0;
    --card-padding: 2rem;
    
    /* Border Radius */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;
    --border-radius-xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

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

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--secondary-color);
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.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;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
}

.btn i {
    margin-right: 0.5rem;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    display: flex;
    gap: 0.25rem;
}

.loader-square {
    width: 0.75rem;
    height: 2.5rem;
    background: var(--gradient-primary);
    border-radius: 0.25rem;
    animation: loader 1.2s infinite ease-in-out;
}

.loader-square:nth-child(1) { animation-delay: 0s; }
.loader-square:nth-child(2) { animation-delay: 0.1s; }
.loader-square:nth-child(3) { animation-delay: 0.2s; }
.loader-square:nth-child(4) { animation-delay: 0.3s; }
.loader-square:nth-child(5) { animation-delay: 0.4s; }

@keyframes loader {
    0%, 40%, 100% { transform: scaleY(0.4); }
    20% { transform: scaleY(1); }
}

/* Navigation - Always visible and readable */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-normal);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-weight: 700;
    font-size: 1.25rem;
}

.brand-name {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-normal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 0.25rem;
}

.nav-toggle span {
    width: 1.5rem;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px; /* Account for fixed navbar */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 50%, #7c3aed 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

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

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    text-align: center;
    color: var(--text-white);
    max-width: 800px;
    margin: 0 auto;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--text-white);
    animation: bounce 2s infinite;
    transition: all var(--transition-normal);
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Section Styles */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    color: var(--primary-color);
    border-radius: var(--border-radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.section-divider {
    width: 4rem;
    height: 3px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

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

.about-text p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.highlight-quote {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    font-style: italic;
    font-weight: 500;
    margin-top: 2rem;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    z-index: 1;
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

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

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--text-white);
    font-size: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Products Section */
.products {
    background: var(--bg-primary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-white);
    z-index: 1;
}

.product-badge.new { background: var(--success-color); }
.product-badge.bestseller { background: var(--primary-color); }
.product-badge.popular { background: var(--secondary-color); }
.product-badge.value { background: var(--warning-color); }
.product-badge.enterprise { background: var(--accent-color); }
.product-badge.security { background: var(--danger-color); }

.product-content {
    padding: 1.5rem;
}

.product-content h3 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.product-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.product-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.product-rating i {
    color: #fbbf24;
    font-size: 0.875rem;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Services Section */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(59, 130, 246, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    color: var(--text-white);
}

.service-card:hover h3,
.service-card:hover p,
.service-card:hover .service-features {
    color: var(--text-white);
}

.service-icon {
    width: 5rem;
    height: 5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--text-white);
    font-size: 2rem;
    transition: transform var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: color var(--transition-normal);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    transition: color var(--transition-normal);
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
    transition: color var(--transition-normal);
}

.service-features li {
    padding: 0.25rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1rem;
}

.service-features li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.service-card:hover .service-features li {
    color: var(--text-white);
}

.service-card:hover .service-features li::before {
    color: var(--text-white);
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid rgba(59, 130, 246, 0.1);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 4rem;
    color: rgba(59, 130, 246, 0.1);
    font-family: serif;
}

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

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.testimonial-rating i {
    color: #fbbf24;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.author-info h4 {
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.author-info span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 50%, #7c3aed 100%);
    color: var(--text-white);
}

.contact .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.contact .section-title,
.contact .section-description {
    color: var(--text-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-card,
.contact-form-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
}

.contact-card h3,
.contact-form-card h3 {
    color: var(--text-white);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: var(--text-white);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

/* Fixed select dropdown styling */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.7rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

.form-group select option {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.5rem;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    color: var(--text-white);
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 3rem;
    height: 2px;
    background: var(--gradient-primary);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.social-link {
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: all var(--transition-normal);
}

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

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-normal);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item i {
    color: var(--primary-color);
    width: 1.25rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--text-white);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Responsive Design - Fixed mobile navbar */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    /* Fixed mobile navigation */
    .nav-menu {
        position: fixed;
        top: 80px; /* Below the navbar */
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 2rem;
        gap: 2rem;
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu .nav-link {
        color: var(--text-primary);
        padding: 1rem 0;
        font-size: 1.125rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        width: 100%;
        text-align: center;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding-top: 100px; /* More space for mobile navbar */
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid,
    .services-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-card,
    .product-card,
    .service-card,
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .nav-menu {
        padding: 1rem;
    }
    
    .nav-menu .nav-link {
        font-size: 1rem;
        padding: 0.75rem 0;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }