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

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

body, html {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.6)), url('assets/SS_BG.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 2rem;
    position: relative;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.logo-container {
    text-align: center;
    margin-bottom: 1rem;
    animation: fadeInDown 1s ease-out;
}

.logo {
    max-width: 300px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.6));
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo:hover {
    transform: translateY(-2px);
    filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.7));
}

.message {
    max-width: 1000px;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 28px;
    padding: 3rem 3.5rem;
    box-shadow: 
        0 32px 64px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: fadeInUp 1s ease-out 0.3s both;
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.message p {
    color: #ffffff;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: 400;
    letter-spacing: 0.01em;
}

.message p:first-of-type {
    font-size: 1.25rem;
    font-weight: 500;
    color: #f8fafc;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.links {
    margin: 1rem 0;
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
}

.download-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    min-width: 180px;
    letter-spacing: 0.01em;
}


.download-link:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.download-link:active {
    transform: translateY(0);
    background: rgba(255, 255, 255, 0.08);
}


.twitter-link {
    color: #93c5fd;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    letter-spacing: 0.01em;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    z-index: 2;
    padding-left: 1.8rem;
}

.twitter-link::before {
    content: '𝕏';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    font-weight: 700;
    color: #93c5fd;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.twitter-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        rgba(147, 197, 253, 0.8) 0%, 
        rgba(59, 130, 246, 1) 50%, 
        rgba(147, 197, 253, 0.8) 100%);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 1px;
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
}

.twitter-link:hover {
    color: #dbeafe;
    transform: translateY(-1px);
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.4),
        0 0 15px rgba(147, 197, 253, 0.4);
}

.twitter-link:hover::before {
    color: #dbeafe;
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.4),
        0 0 15px rgba(147, 197, 253, 0.4);
}

.twitter-link:hover::after {
    width: 100%;
}

.video-container {
    margin: 1.5rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-container iframe {
    border-radius: 16px;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
    max-width: 100%;
    height: auto;
}

.signature {
    margin-top: 1.5rem;
    font-style: italic;
    opacity: 0.95;
    animation: fadeIn 1s ease-out 0.6s both;
    position: relative;
    z-index: 2;
}

.signature::before {
    content: '';
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.4) 25%, 
        rgba(255, 255, 255, 0.6) 50%, 
        rgba(255, 255, 255, 0.4) 75%, 
        transparent 100%);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.signature p {
    color: #ffffff;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: 400;
    letter-spacing: 0.01em;
}

.signature p:last-child {
    font-weight: 500;
    color: #f8fafc;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
        background-attachment: scroll;
    }
    
    .logo {
        max-width: 250px;
    }
    
    .logo-container {
        margin-bottom: 1rem;
    }
    
    .message {
        padding: 2rem 2rem;
        max-width: 95%;
        border-radius: 24px;
    }
    
    .message p {
        font-size: 0.95rem;
        line-height: 1.65;
        margin-bottom: 1.25rem;
    }
    
    .message p:first-of-type {
        font-size: 1.15rem;
        margin-bottom: 1.5rem;
    }
    
    .links {
        gap: 1rem;
        margin: 1rem 0;
        flex-direction: column;
    }
    
    .download-link {
        padding: 0.65rem 1.2rem;
        font-size: 0.85rem;
        min-width: 160px;
    }
    
    .signature {
        margin-top: 1rem;
    }
    
    .signature p {
        font-size: 0.85rem;
    }
    
    .video-container iframe {
        width: 280px;
        height: 498px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0.5rem;
    }
    
    .logo {
        max-width: 200px;
    }
    
    .logo-container {
        margin-bottom: 0.75rem;
    }
    
    .message {
        padding: 1.5rem 1.5rem;
        border-radius: 20px;
    }
    
    .message p {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 1rem;
    }
    
    .message p:first-of-type {
        font-size: 1.05rem;
        margin-bottom: 1.25rem;
    }
    
    .download-link {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
        min-width: 150px;
    }
    
    .signature p {
        font-size: 0.8rem;
    }
    
    .video-container iframe {
        width: 250px;
        height: 445px;
    }
}