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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Landing Container */
.landing-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* Background Image */
.background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: url('assets/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: brightness(0.7);
}

/* Content Overlay */
.content-overlay {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.3);
}

/* Logo Section */
.logo-section {
    margin-bottom: 3rem;
}

.logo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    transition: transform 0.3s ease;
}

.logo-placeholder:hover {
    transform: translateY(-5px);
}

.logo-image {
    max-width: 400px;
    max-height: 160px;
    width: auto;
    height: auto;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    text-align: center;
}

/* Text Content */
.text-content {
    text-align: center;
    max-width: 800px;
    margin-bottom: 3rem;
}

.text-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.text-content .subtitle {
    font-size: 1.5rem;
    color: #f0f0f0;
    margin-bottom: 1.5rem;
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.text-content .description {
    font-size: 1.1rem;
    color: #e0e0e0;
    margin-bottom: 2rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* CTA Button */
.cta-button {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(44, 62, 80, 0.3);
    animation: fadeInUp 1s ease-out 0.6s both;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    background: linear-gradient(135deg, #1a252f 0%, #2c3e50 100%);
    box-shadow: 0 15px 40px rgba(44, 62, 80, 0.5), 0 0 20px rgba(44, 62, 80, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-button:active {
    box-shadow: 0 8px 25px rgba(44, 62, 80, 0.4);
}

/* Social Media Section */
.social-media-section {
    margin-top: 2rem;
}

.social-icons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    color: #333;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    animation: fadeInUp 1s ease-out 0.8s both;
}

.social-icon:hover {
    transform: translateY(-5px) scale(1.1);
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.social-icon:nth-child(1):hover { color: #1877f2; }
.social-icon:nth-child(2):hover { color: #1da1f2; }
.social-icon:nth-child(3):hover { color: #e4405f; }
.social-icon:nth-child(4):hover { color: #ff0000; }

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

/* Responsive Design */
@media (max-width: 768px) {
    .content-overlay {
        padding: 1rem;
    }
    
    .text-content h1 {
        font-size: 2.5rem;
    }
    
    .text-content .subtitle {
        font-size: 1.2rem;
    }
    
    .text-content .description {
        font-size: 1rem;
    }
    
    .logo-placeholder {
        padding: 1.5rem 2rem;
    }
    
    .logo-image {
        max-width: 350px;
        max-height: 140px;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .social-icons {
        gap: 1rem;
    }
    
    .social-icon {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .text-content h1 {
        font-size: 2rem;
    }
    
    .text-content .subtitle {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
    
    .social-icons {
        gap: 0.8rem;
    }
    
    .social-icon {
        width: 45px;
        height: 45px;
        font-size: 0.9rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
.cta-button:focus,
.social-icon:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}