/* GT Online Class - Professional Stylesheet */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color System */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #f97316;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Background */
    --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-secondary: #f8fafc;
    --bg-dark: #1e293b;
    
    /* Typography */
    --font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #334155 50%, #475569 75%, #64748b 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

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

@keyframes scale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-fade-up {
    animation: fadeUp 0.6s ease-out forwards;
}

.animate-scale {
    animation: scale 0.6s ease-out forwards;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    animation: float 3s ease-in-out infinite;
}

.whatsapp-float:hover {
    background: #128c7e;
    transform: scale(1.1);
    color: white;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: var(--font-size-2xl);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition-fast);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--spacing-1);
}

.nav-links a:hover {
    color: var(--primary-color);
    background: var(--gray-100);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    transition: var(--transition-fast);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--spacing-2);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
    box-shadow: var(--shadow);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

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

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

.btn-unlock {
    background: var(--accent-color);
    color: white;
    font-size: var(--font-size-sm);
    padding: var(--spacing-2) var(--spacing-4);
}

.btn-unlock:hover {
    background: #ea580c;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.9) 100%), 
                url('https://images.pexels.com/photos/5905709/pexels-photo-5905709.jpeg?auto=compress&cs=tinysrgb&w=1920&h=1080&fit=crop') center/cover;
    color: white;
    overflow: hidden;
    padding-top: 80px;
    animation: heroAnimation 10s ease-in-out infinite;
}

@keyframes heroAnimation {
    0%, 100% { 
        background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.9) 100%), 
                    url('https://images.pexels.com/photos/5905709/pexels-photo-5905709.jpeg?auto=compress&cs=tinysrgb&w=1920&h=1080&fit=crop') center/cover;
    }
    25% { 
        background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(51, 65, 85, 0.9) 100%), 
                    url('https://images.pexels.com/photos/5212317/pexels-photo-5212317.jpeg?auto=compress&cs=tinysrgb&w=1920&h=1080&fit=crop') center/cover;
    }
    50% { 
        background: linear-gradient(135deg, rgba(51, 65, 85, 0.9) 0%, rgba(71, 85, 105, 0.9) 100%), 
                    url('https://images.pexels.com/photos/5427674/pexels-photo-5427674.jpeg?auto=compress&cs=tinysrgb&w=1920&h=1080&fit=crop') center/cover;
    }
    75% { 
        background: linear-gradient(135deg, rgba(71, 85, 105, 0.9) 0%, rgba(100, 116, 139, 0.9) 100%), 
                    url('https://images.pexels.com/photos/5428836/pexels-photo-5428836.jpeg?auto=compress&cs=tinysrgb&w=1920&h=1080&fit=crop') center/cover;
    }
}

.hero-background {
    position: absolute;
    inset: 0;
    opacity: 0.1;
}

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-icons i {
    position: absolute;
    font-size: 3rem;
    animation: float 6s ease-in-out infinite, pulse 2s ease-in-out infinite alternate;
    opacity: 0.3;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.3; }
    100% { transform: scale(1.2); opacity: 0.6; }
}

.floating-icons i::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: ripple 3s ease-out infinite;
}

@keyframes ripple {
    0% { transform: scale(0); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.floating-icons i:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.floating-icons i:nth-child(2) { top: 40%; right: 10%; animation-delay: 1s; }
.floating-icons i:nth-child(3) { bottom: 30%; left: 15%; animation-delay: 2s; }
.floating-icons i:nth-child(4) { top: 60%; left: 50%; animation-delay: 3s; }
.floating-icons i:nth-child(5) { bottom: 20%; right: 20%; animation-delay: 4s; }

.hero-content {
    text-align: center;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-6);
    opacity: 0;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
}

/* Section Styling */
section {
    padding: var(--spacing-16) 0;
    background: rgba(255, 255, 255, 0.95);
    margin: var(--spacing-8) 0;
    border-radius: var(--spacing-4);
}

section:nth-child(even) {
    background: rgba(248, 250, 252, 0.95);
}

.section-title {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-12);
    color: var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
}

.section-title i {
    color: var(--primary-color);
}

/* Students Section */
.students-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-6);
}

.student-card {
    background: white;
    border-radius: var(--spacing-4);
    padding: var(--spacing-6);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.student-image {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-4);
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
}

.student-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.student-overlay {
    position: absolute;
    inset: 0;
    background: rgba(37, 99, 235, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.student-card:hover .student-overlay {
    opacity: 1;
}

.student-overlay i {
    color: white;
    font-size: var(--font-size-2xl);
    animation: rotate 2s linear infinite;
}

.student-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
    color: var(--gray-800);
}

.student-card p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* Training Videos Section */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.video-card {
    background: white;
    border-radius: var(--spacing-4);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-normal);
}

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

.video-thumbnail {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.video-thumbnail video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.video-overlay i {
    color: white;
    font-size: 3rem;
}

.video-info {
    padding: var(--spacing-6);
}

.video-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    color: var(--gray-800);
}

.video-info p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Admission Form Section */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: var(--spacing-12);
    border-radius: var(--spacing-4);
    box-shadow: var(--shadow-lg);
}

.admission-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: 600;
    color: var(--gray-700);
}

.form-group label i {
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--spacing-2);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-12);
}

.testimonial-card {
    background: white;
    padding: var(--spacing-6);
    border-radius: var(--spacing-4);
    box-shadow: var(--shadow);
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
}

.testimonial-info h4 {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-1);
}

.rating {
    color: var(--warning-color);
}

.testimonial-text {
    color: var(--gray-600);
    line-height: 1.7;
}

.testimonial-actions {
    text-align: center;
}

/* Lectures Section */
.lectures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.lecture-card {
    background: white;
    border-radius: var(--spacing-4);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-normal);
    position: relative;
}

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

.lecture-thumbnail {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.lecture-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.locked-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    gap: var(--spacing-2);
}

.locked-overlay i {
    font-size: 2rem;
}

.lecture-info {
    padding: var(--spacing-6);
}

.lecture-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    color: var(--gray-800);
}

.lecture-info p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-4);
}

.lecture-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: var(--spacing-8);
    border-radius: var(--spacing-4);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: scale 0.3s ease-out;
    box-shadow: var(--shadow-xl);
}

.close {
    color: var(--gray-400);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: var(--spacing-4);
    top: var(--spacing-4);
}

.close:hover {
    color: var(--gray-600);
}

.modal h2 {
    margin-bottom: var(--spacing-6);
    color: var(--gray-800);
    text-align: center;
}

.character-count {
    text-align: right;
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-top: var(--spacing-1);
}

/* Payment Modal Styles */
.payment-info {
    text-align: center;
    padding: var(--spacing-6);
}

.payment-amount {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin: var(--spacing-4) 0;
}

.upi-info {
    background: var(--gray-50);
    padding: var(--spacing-4);
    border-radius: var(--spacing-2);
    margin: var(--spacing-4) 0;
}

.upi-id {
    font-family: monospace;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
    background: white;
    padding: var(--spacing-2);
    border-radius: var(--spacing-1);
    border: 2px solid var(--primary-color);
    margin: var(--spacing-2) 0;
}

.payment-steps {
    text-align: left;
    margin: var(--spacing-6) 0;
}

.payment-steps ol {
    padding-left: var(--spacing-6);
}

.payment-steps li {
    margin-bottom: var(--spacing-2);
    line-height: 1.6;
}

.payment-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3);
    margin-top: var(--spacing-6);
}

.timer-section {
    animation: pulse 2s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.02); }
}

.payment-info .btn {
    transition: all var(--transition-normal);
}

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

.upi-info {
    border: 2px solid var(--primary-color);
}

.upi-id {
    user-select: all;
    cursor: pointer;
}

.upi-id:hover {
    background: var(--primary-color);
    color: white;
}

@media (max-width: 480px) {
    .payment-buttons {
        grid-template-columns: 1fr;
    }
    
    .timer-section {
        padding: var(--spacing-3);
    }
    
    #paymentTimer {
        font-size: var(--font-size-xl) !important;
    }
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--spacing-12) 0 var(--spacing-6);
    margin-top: var(--spacing-16);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-8);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.footer-brand i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.footer-links {
    display: flex;
    gap: var(--spacing-6);
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--gray-700);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .students-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-4);
    }
    
    .videos-grid,
    .lectures-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-container {
        padding: var(--spacing-6);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    /* Video fullscreen optimization */
    video:fullscreen {
        object-fit: contain;
    }
    
    video:-webkit-full-screen {
        object-fit: contain;
    }
    
    section {
        margin: var(--spacing-4) 0;
        padding: var(--spacing-8) 0;
    }
    
    .hero {
        background-attachment: scroll;
    }
}

@media (max-width: 480px) {
    section {
        padding: var(--spacing-12) 0;
    }
    
    .hero {
        min-height: 80vh;
    }
    
    .hero-buttons .btn {
        padding: var(--spacing-3) var(--spacing-8);
        font-size: var(--font-size-lg);
    }
    
    .students-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .student-image {
        width: 60px;
        height: 60px;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: var(--spacing-6);
        width: 95%;
    }
}

/* Print Styles */
@media print {
    .whatsapp-float,
    .navbar,
    .hero,
    .modal {
        display: none !important;
    }
    
    section {
        page-break-inside: avoid;
        padding: var(--spacing-4) 0;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --gray-100: #e5e5e5;
        --gray-200: #cccccc;
        --gray-800: #1a1a1a;
        --gray-900: #000000;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}