/* Clean and modern design system for the simple family landing page */

:root {
    --primary-font: 'Tahoma', 'Geneva', 'Verdana', sans-serif;
    --text-color: #ffffff;
    --text-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    --card-bg: rgba(255, 255, 255, 0.08);
    --card-border: rgba(255, 255, 255, 0.15);
    --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: var(--primary-font);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: #0d1117; /* Fallback dark color */
    background-image: linear-gradient(rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.35)), url('background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    animation: fadeInBackground 1.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.welcome-container {
    width: 100%;
    max-width: 600px;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Premium glassmorphism card */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px 80px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transform: translateY(20px);
    opacity: 0;
    animation: slideUpCard 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.25);
}

/* Minimalist typography with Tahoma font, cursor change, and transition for fading */
.welcome-title {
    color: var(--text-color);
    font-size: clamp(3rem, 10vw, 5.5rem);
    font-weight: bold; /* Tahoma looks best with bold weight for headings */
    letter-spacing: 0.02em;
    text-shadow: var(--text-shadow);
    user-select: none;
    line-height: 1.1;
    cursor: pointer;
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1),
                transform 0.4s cubic-bezier(0.25, 1, 0.5, 1),
                text-shadow 0.4s ease;
    animation: textPulse 4s ease-in-out infinite alternate;
}

/* Transition class for JavaScript fading effect */
.welcome-title.fade {
    opacity: 0;
    transform: scale(0.92);
}

/* Animations */
@keyframes fadeInBackground {
    from {
        opacity: 0;
        transform: scale(1.05);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUpCard {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes textPulse {
    0% {
        text-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
    100% {
        text-shadow: 0 8px 24px rgba(255, 255, 255, 0.15), 0 4px 12px rgba(0, 0, 0, 0.2);
    }
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .glass-card {
        padding: 30px 40px;
        border-radius: 20px;
    }
}