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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1a202c;
    background: linear-gradient(135deg, #00a651 0%, #4ade80 50%, #22c55e 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.header {
    text-align: center;
    margin-bottom: 4rem;
    color: white;
    position: relative;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.logo-placeholder {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 900;
    color: #00a651;
    border: 3px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.title {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 0;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff, #f1f5f9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.4rem;
    opacity: 0.95;
    font-weight: 400;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.main-content {
    margin-bottom: 3rem;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    justify-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.download-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    text-align: center;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 1px 0px rgba(255, 255, 255, 0.8) inset,
        0 0 0 1px rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    max-width: 380px;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #00a651, #22c55e, #4ade80);
    border-radius: 24px 24px 0 0;
}

.download-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 
        0 32px 64px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(0, 166, 81, 0.2),
        0 1px 0px rgba(255, 255, 255, 0.9) inset;
}

.download-card.recommended {
    border: 2px solid #00a651;
    transform: translateY(-8px);
    box-shadow: 
        0 24px 48px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(0, 166, 81, 0.3),
        0 1px 0px rgba(255, 255, 255, 0.9) inset;
}

.recommended-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: linear-gradient(135deg, #00a651, #22c55e);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 24px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 
        0 8px 24px rgba(0, 166, 81, 0.4),
        0 1px 0px rgba(255, 255, 255, 0.3) inset;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.system-requirements {
    margin-bottom: 2rem;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, #f0fdf4, #f7fee7);
    border-radius: 12px;
    border-left: 4px solid #00a651;
    border: 1px solid rgba(0, 166, 81, 0.1);
}

.system-requirements small {
    color: #059669;
    font-size: 0.9rem;
    line-height: 1.5;
    font-weight: 500;
}

.card-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, #f8fafc, #ffffff);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.12),
        0 1px 0px rgba(255, 255, 255, 0.8) inset;
    border: 1px solid rgba(0, 166, 81, 0.1);
    transition: all 0.3s ease;
}

.card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: all 0.3s ease;
}

.download-card:hover .card-icon {
    transform: scale(1.1);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        0 1px 0px rgba(255, 255, 255, 0.9) inset;
}

.card-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: #1a202c;
    letter-spacing: -0.01em;
}

.card-description {
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, #00a651, #22c55e);
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 16px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 8px 24px rgba(0, 166, 81, 0.4),
        0 1px 0px rgba(255, 255, 255, 0.2) inset;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 12px 32px rgba(0, 166, 81, 0.5),
        0 1px 0px rgba(255, 255, 255, 0.3) inset;
    background: linear-gradient(135deg, #059669, #16a34a);
}

.download-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;
}

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

.download-btn svg {
    transition: transform 0.3s ease;
}

.download-btn:hover svg {
    transform: translateY(1px) scale(1.1);
}

.footer {
    text-align: center;
    color: white;
    opacity: 0.9;
    font-size: 0.95rem;
    margin-top: 4rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .download-card {
        padding: 2rem 1.5rem;
    }
    
    .recommended-badge {
        right: 10px;
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }
    
    .download-card {
        padding: 1.5rem 1rem;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
    }
    
    .card-icon img {
        width: 48px;
        height: 48px;
    }
}

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

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

.download-card:nth-child(1) {
    animation-delay: 0.1s;
}

.download-card:nth-child(2) {
    animation-delay: 0.2s;
}

.download-card:nth-child(3) {
    animation-delay: 0.3s;
}
/* Mo
dern Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

/* Enhanced Card Animations */
.download-card {
    animation: fadeInUp 0.6s ease forwards;
}

.download-card:nth-child(1) {
    animation-delay: 0.1s;
}

.download-card:nth-child(2) {
    animation-delay: 0.2s;
}

.download-card:nth-child(3) {
    animation-delay: 0.3s;
}

.download-card:nth-child(4) {
    animation-delay: 0.4s;
}

.download-card:nth-child(5) {
    animation-delay: 0.5s;
}

.download-card:nth-child(6) {
    animation-delay: 0.6s;
}

/* Floating Animation for Icons */
.card-icon {
    animation: float 6s ease-in-out infinite;
}

.card-icon:nth-child(odd) {
    animation-delay: -3s;
}

/* Enhanced Hover Effects */
.download-card:hover .card-title {
    color: #00a651;
    transition: color 0.3s ease;
}

.download-card:hover .system-requirements {
    background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
    border-left-color: #16a34a;
    transform: scale(1.02);
    transition: all 0.3s ease;
}

/* Glassmorphism Effect */
.download-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 24px;
    pointer-events: none;
}

/* Enhanced Button Ripple Effect */
.download-btn {
    overflow: hidden;
    position: relative;
}

.download-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.download-btn:active::after {
    width: 300px;
    height: 300px;
}

/* Improved Typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* Enhanced Mobile Responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }
    
    .title {
        font-size: 2.8rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .download-card {
        padding: 2.5rem 2rem;
        max-width: 100%;
    }
    
    .card-icon {
        width: 80px;
        height: 80px;
    }
    
    .recommended-badge {
        right: 16px;
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2.2rem;
    }
    
    .download-card {
        padding: 2rem 1.5rem;
    }
    
    .card-icon {
        width: 72px;
        height: 72px;
    }
    
    .download-btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .download-card {
        background: rgba(30, 41, 59, 0.95);
        color: #f1f5f9;
    }
    
    .card-title {
        color: #f1f5f9;
    }
    
    .card-description {
        color: #94a3b8;
    }
    
    .system-requirements {
        background: linear-gradient(135deg, rgba(6, 78, 59, 0.3), rgba(20, 83, 45, 0.3));
        color: #86efac;
    }
}

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

/* Focus States for Accessibility */
.download-btn:focus {
    outline: 3px solid rgba(0, 166, 81, 0.5);
    outline-offset: 2px;
}

.download-btn:focus:not(:focus-visible) {
    outline: none;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .download-card {
        border: 2px solid #000;
    }
    
    .download-btn {
        border: 2px solid #fff;
    }
}