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

body {
    font-family: 'Hind Siliguri', sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 25%, #404040 50%, #2d2d2d 75%, #1a1a1a 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease-in-out infinite;
    min-height: 100vh;
    transition: opacity 0.3s ease;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

header {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.95) 0%, rgba(40, 40, 40, 0.95) 50%, rgba(0, 0, 0, 0.95) 100%);
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.brand-name {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(45deg, #ffffff, #cccccc, #999999);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
}

.logo-link {
    text-decoration: none;
    color: inherit;
}

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

.main-nav a {
    text-decoration: none;
    color: #e0e0e0;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid transparent;
}

.main-nav a:hover {
    background: linear-gradient(45deg, #333333, #555555, #333333);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.main-nav a.active {
    background: linear-gradient(45deg, #000000, #404040, #000000);
    color: #ffffff;
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.content {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

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

.content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffffff, #cccccc, #888888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.content p {
    font-size: 1.2rem;
    color: #cccccc;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.12) 50%, rgba(255, 255, 255, 0.08) 100%);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.1);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.18) 50%, rgba(255, 255, 255, 0.12) 100%);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.feature-card h3 {
    color: #ffffff;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.feature-card p {
    color: #cccccc;
}

.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* App Section Styles */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.app-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: 25px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    backdrop-filter: blur(15px);
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.08) 100%);
}

.app-header {
    text-align: center;
    margin-bottom: 2rem;
}

.app-header h3 {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 0.5rem;
    font-weight: 700;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

.app-description {
    color: #cccccc;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    text-align: center;
}

.screenshot-slider {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1a, #333333, #1a1a1a);
    box-shadow: inset 0 4px 15px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1.5rem;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2d2d2d, #404040, #2d2d2d);
    color: #ffffff;
    font-size: 1.2rem;
    text-align: center;
    padding: 2rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.slide.active {
    opacity: 1;
}

.slider-nav {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.slider-dot.active {
    background: linear-gradient(45deg, #ffffff, #cccccc);
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.app-features {
    list-style: none;
    padding: 0;
}

.app-features li {
    padding: 0.5rem 0;
    color: #cccccc;
    position: relative;
    padding-left: 1.5rem;
}

.app-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #ffffff;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

.app-download {
    text-align: center;
    margin-top: 2rem;
}

.download-btn {
    display: inline-block;
    background: linear-gradient(45deg, #000000, #404040, #666666);
    color: #ffffff;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
    background: linear-gradient(45deg, #333333, #555555, #777777);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
    .hero-section {
        flex-direction: column;
        gap: 1rem;
    }

    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .content {
        padding: 2rem;
    }

    .content h2 {
        font-size: 2rem;
    }
}