:root {
    /* Modern dark theme variables */
    --primary-color: #7aa3f0;
    --primary-dark: #6993ff;
    --secondary-color: #1a1a1a;
    --text-dark: #ffffff;
    --text-light: #b3b3b3;
    --gray-light: #2d2d2d;
    --gray-medium: #3a3a3a;
    --gray-dark: #8a8a8a;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.4);
    --border-radius: 12px;
    --transition: all 0.3s ease;
    
    /* Modern accent colors */
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-orange: #f97316;
    --accent-teal: #14b8a6;
    --accent-lime: #84cc16;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Modern gradients */
    --gradient-primary: linear-gradient(135deg, #6993ff, #8b5cf6);
    --gradient-success: linear-gradient(135deg, #10b981, #14b8a6);
    --gradient-warning: linear-gradient(135deg, #f59e0b, #f97316);
    --gradient-danger: linear-gradient(135deg, #ef4444, #ec4899);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Modern-specific variables */
    --modern-purple: #9333ea;
    --modern-pink: #ec4899;
    --modern-blue: #06b6d4;
    --modern-green: #10b981;
    --modern-orange: #f59e0b;
    --modern-gradient-main: linear-gradient(135deg, #9333ea 0%, #ec4899 50%, #06b6d4 100%);
    --modern-gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --modern-gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
    --modern-glass: rgba(255, 255, 255, 0.05);
    --modern-glass-border: rgba(255, 255, 255, 0.1);
    --modern-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --modern-shadow-colored: 0 8px 32px rgba(147, 51, 234, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--secondary-color);
}

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

/* Navigation */
.navbar {
    background: var(--secondary-color);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

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

.nav-logo h1 {
    color: var(--text-dark);
    font-size: 1.8rem;
    font-weight: 600;
}

.logo-k {
    color: var(--primary-color);
    font-weight: 700;
}

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

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.nav-link.admin-link {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.theme-toggle {
    background: none;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    margin-left: 10px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--gray-light) 0%, #e3f2fd 100%);
    padding: 120px 0 80px;
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

.hero-image {
    text-align: center;
    font-size: 15rem;
    color: var(--primary-color);
    opacity: 0.1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--secondary-color);
    border: none;
    position: relative;
    overflow: hidden;
}

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

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

.btn-secondary {
    background: var(--secondary-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--gray-medium);
}

.btn-outline:hover {
    background: var(--gray-medium);
}

/* Filters Section */
.filters {
    background: var(--secondary-color);
    padding: 3rem 0;
    border-bottom: 1px solid var(--gray-medium);
}

.filters h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-dark);
    font-size: 2rem;
}

.filter-container {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.filter-group {
    position: relative;
}

.filter-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gray-light);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    color: var(--text-dark);
}

.filter-group input,
.filter-group select {
    border: none;
    background: transparent;
    outline: none;
    font-size: 1rem;
    min-width: 200px;
}

.filter-group select {
    cursor: pointer;
}

/* Configurations Grid */
.configurations {
    padding: 4rem 0;
    background: var(--gray-light);
}

.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
    font-size: 1.2rem;
}

.loading i {
    font-size: 2rem;
    margin-right: 1rem;
}

.configurations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.config-card {
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

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

.config-card:hover .config-image::before {
    opacity: 1;
}

.config-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(105, 147, 255, 0.1), rgba(139, 92, 246, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary-color);
    overflow: hidden;
    position: relative;
}

.config-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(105, 147, 255, 0.1) 0%, 
        rgba(139, 92, 246, 0.1) 25%, 
        rgba(236, 72, 153, 0.1) 50%, 
        rgba(249, 115, 22, 0.1) 75%, 
        rgba(20, 184, 166, 0.1) 100%);
    opacity: 0;
    transition: var(--transition);
}

.config-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.config-content {
    padding: 1.5rem;
}

.config-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.config-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
}

.config-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.config-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.config-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tag {
    color: white;
    padding: 0.35rem 1rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.tag:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.tag.budget {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.tag.mid {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.tag.high {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.tag.extreme {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Load More */
.load-more {
    text-align: center;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--text-dark);
    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,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

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

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-color);
        flex-direction: column;
        box-shadow: var(--shadow);
        padding: 1rem;
    }
    
    .nav-menu.active .theme-toggle {
        margin-left: 0;
        margin-top: 0.5rem;
        align-self: flex-start;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-image {
        font-size: 8rem;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group input,
    .filter-group select {
        min-width: auto;
        width: 100%;
    }
    
    .configurations-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .config-card {
        margin: 0 1rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.config-card {
    animation: fadeInUp 0.6s ease forwards;
}

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

.fa-spin {
    animation: spin 1s linear infinite;
}

/* Modern Variant Styles */

/* Modern Navigation */
.modern-nav {
    background: var(--modern-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--modern-glass-border);
}

.modern-nav .nav-logo {
    position: relative;
}

/* Modern Hero */
.modern-hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(ellipse at center, rgba(147, 51, 234, 0.1) 0%, transparent 70%);
}

/* Smaller hero for custom request page */
.custom-request .modern-hero {
    min-height: 60vh;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--modern-purple) 0%, transparent 70%);
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--modern-pink) 0%, transparent 70%);
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--modern-blue) 0%, transparent 70%);
    bottom: 10%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="particles" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="2" cy="2" r="0.5" fill="rgba(147,51,234,0.2)"/><circle cx="12" cy="8" r="0.3" fill="rgba(236,72,153,0.2)"/><circle cx="6" cy="15" r="0.4" fill="rgba(6,182,212,0.2)"/></pattern></defs><rect width="100" height="100" fill="url(%23particles)"/></svg>');
    animation: particleMove 20s linear infinite;
}

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

.modern-hero .hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.label-text {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--modern-purple);
}

.label-line {
    flex: 1;
    height: 2px;
    background: var(--modern-gradient-main);
    border-radius: 2px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
    color: var(--text-dark);
}

.gradient-text {
    color: var(--text-dark);
}



.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Modern Buttons */
.btn-modern {
    position: relative;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    color: white;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
}

.btn-modern.primary {
    background: var(--modern-glass);
    border: 1px solid var(--modern-glass-border);
    box-shadow: var(--modern-shadow-colored);
}

.btn-modern.secondary {
    background: transparent;
    border: 2px solid var(--modern-glass-border);
    box-shadow: var(--modern-shadow);
}

.btn-modern.tertiary {
    background: var(--modern-glass);
    border: 1px solid var(--modern-glass-border);
    color: var(--text-dark);
    min-width: auto;
    padding: 0.75rem 1.5rem;
}

.btn-modern .btn-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--modern-gradient-main);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: inherit;
}

.btn-modern:hover .btn-bg {
    opacity: 1;
}

.btn-modern .btn-text {
    position: relative;
    z-index: 2;
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(147, 51, 234, 0.4);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.hologram-pc {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pc-frame {
    position: relative;
    width: 200px;
    height: 250px;
    background: var(--modern-glass);
    border: 2px solid var(--modern-glass-border);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    padding: 2rem;
}

.pc-component {
    width: 60px;
    height: 60px;
    background: var(--modern-gradient-main);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    animation: componentPulse 2s ease-in-out infinite;
}

.pc-component.cpu { animation-delay: 0s; }
.pc-component.gpu { animation-delay: 0.7s; }
.pc-component.ram { animation-delay: 1.4s; }

@keyframes componentPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 20px rgba(147, 51, 234, 0.3); }
    50% { transform: scale(1.1); box-shadow: 0 0 30px rgba(147, 51, 234, 0.6); }
}

.hologram-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring {
    position: absolute;
    border: 2px solid var(--modern-glass-border);
    border-radius: 50%;
    animation: ringRotate 10s linear infinite;
}

.ring-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.ring-2 {
    width: 350px;
    height: 350px;
    top: -175px;
    left: -175px;
    animation-delay: 3s;
    animation-direction: reverse;
}

.ring-3 {
    width: 400px;
    height: 400px;
    top: -200px;
    left: -200px;
    animation-delay: 6s;
}

@keyframes ringRotate {
    0% { transform: rotate(0deg); opacity: 0.1; }
    50% { opacity: 0.3; }
    100% { transform: rotate(360deg); opacity: 0.1; }
}

/* Modern Features */
.modern-features {
    padding: 6rem 0;
    background: var(--secondary-color);
    position: relative;
}

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

.section-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.features-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.features-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--modern-gradient-main);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.timeline-marker {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--modern-gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
    box-shadow: var(--modern-shadow-colored);
    position: relative;
    z-index: 2;
}

.timeline-content {
    background: var(--modern-glass);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--modern-glass-border);
    backdrop-filter: blur(20px);
    flex: 1;
}

.timeline-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Modern Filters */
.modern-filters {
    padding: 5rem 0;
    background: radial-gradient(ellipse at center, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
}

.filters-glass {
    background: var(--modern-glass);
    border: 1px solid var(--modern-glass-border);
    border-radius: 30px;
    padding: 3rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--modern-shadow);
    /* Add more opacity to background for better text visibility */
    background: rgba(255, 255, 255, 0.1);
}

.filters-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 3rem;
    /* Ensure text is visible with proper contrast */
    color: var(--text-dark);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.modern-filter {
    position: relative;
    background: var(--modern-glass);
    border: 1px solid var(--modern-glass-border);
    border-radius: 20px;
    padding: 0;
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.filter-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--modern-purple);
    z-index: 2;
}

.modern-filter input,
.modern-filter select {
    background: transparent;
    border: none;
    padding: 1rem 1rem 1rem 3rem;
    color: var(--text-dark);
    width: 100%;
    border-radius: 20px;
}

.modern-filter select option {
    background: white;
    color: black;
    padding: 0.5rem;
}

.modern-filter input::placeholder {
    color: var(--text-light);
    opacity: 0.8;
}

.filter-line {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: var(--modern-gradient-main);
    width: 0;
    transition: width 0.3s ease;
}

.modern-filter:focus-within .filter-line {
    width: 100%;
}

/* Modern Configurations */
.modern-configurations {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.modern-configurations .section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.modern-configurations .section-subtitle {
    text-align: center;
    margin-bottom: 4rem;
}

/* Modern Loading */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-bottom: 1rem;
}

.spinner-ring {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid var(--modern-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(2) {
    animation-delay: 0.2s;
    border-top-color: var(--modern-pink);
}

.spinner-ring:nth-child(3) {
    animation-delay: 0.4s;
    border-top-color: var(--modern-blue);
}

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

/* Modern Footer */
.modern-footer {
    background: var(--modern-glass);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--modern-glass-border);
}

/* Social Buttons */
.social-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.email-btn {
    background: linear-gradient(135deg, #ea4335, #d33);
}

.email-btn:hover {
    background: linear-gradient(135deg, #d33, #b52d20);
}

.discord-btn {
    background: linear-gradient(135deg, #7289da, #5b6eae);
}

.discord-btn:hover {
    background: linear-gradient(135deg, #5b6eae, #4e5d94);
}

.twitter-btn {
    background: linear-gradient(135deg, #1da1f2, #0d8bd9);
}

.twitter-btn:hover {
    background: linear-gradient(135deg, #0d8bd9, #0a73b7);
}

.youtube-btn {
    background: linear-gradient(135deg, #ff0000, #cc0000);
}

.youtube-btn:hover {
    background: linear-gradient(135deg, #cc0000, #990000);
}

/* Responsive Social Buttons */
@media (max-width: 768px) {
    .social-buttons {
        justify-content: center;
        gap: 0.8rem;
    }
    
    .social-btn {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
}

/* Responsive Modern Design */
@media (max-width: 768px) {
    .modern-hero .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .visual-container {
        width: 300px;
        height: 300px;
    }
    
    .features-timeline::before {
        display: none;
    }
    
    .timeline-item {
        flex-direction: column;
        text-align: center;
    }
    
    .filters-glass {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-modern {
        width: 100%;
    }
    
    .visual-container {
        width: 250px;
        height: 250px;
    }
    
    .filters-glass {
        padding: 1.5rem;
        border-radius: 20px;
    }
}