ivanch.me/css/main.css

@import url('variables.css');
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@100..900&display=swap');

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

body {
    font-family: var(--font-family);
    background: var(--background-color);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    /* Improve text rendering on mobile */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Prevent text size adjust on orientation change */
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    color: var(--text-color);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s;
}

a:hover {
    color: var(--primary-color-light);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.glass {
    background: var(--glass-background);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--border-radius);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    /* base shadows: outer shadow from variables + subtle inset
         an extra animated outer shadow is layered to give a natural "alive" feel */
    box-shadow: 0 8px 36px 0 var(--glass-shadow), var(--inset-shadow);
    will-change: box-shadow;
    animation: glass-shadow 8s ease-in-out infinite !important;
}

.main-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 1200px;
    width: 100%;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

/* subtle, natural moving/pulsing shadow for .glass */
@keyframes glass-shadow {
    0% {
        box-shadow: 0 6px 24px -2px var(--glass-shadow), 0 18px 48px -12px var(--dark-shadow-15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }

    25% {
        box-shadow: 6px 10px 38px -6px var(--tertiary-color-20), 0 22px 60px -18px var(--dark-shadow-18), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }

    50% {
        box-shadow: 0 8px 36px 0 var(--glass-shadow), 0 28px 72px -24px var(--dark-shadow-20), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }

    75% {
        box-shadow: -6px 10px 38px -6px var(--primary-color-16), 0 22px 60px -18px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }

    100% {
        box-shadow: 0 6px 24px -2px var(--glass-shadow), 0 18px 48px -12px var(--dark-shadow-15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }
}

.content {
    color: var(--text-color);
    background: rgba(0, 0, 0, 0.10);
    backdrop-filter: blur(32px) saturate(180%) brightness(1.1);
    -webkit-backdrop-filter: blur(32px) saturate(180%) brightness(1.1);
    border-radius: var(--border-radius-large);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    padding: 32px 24px;
    transition: background 0.3s, box-shadow 0.3s;
    min-width: 26rem;
    max-width: 26rem;
}

/* Mobile responsive content */
@media (max-width: 1024px) {
    .content {
        min-width: unset;
        max-width: unset;
        width: 100%;
        padding: 24px 20px;
    }

    .main-container {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        padding: 20px 15px;
        min-height: 100vh;
        display: flex;
        align-items: flex-start;
        padding-top: 40px;
        padding-bottom: 40px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    
    .main-container {
        padding: 15px 10px;
        padding-top: 30px;
        padding-bottom: 30px;
    }

    .content {
        padding: 20px 16px;
        min-width: unset;
        max-width: unset;
        width: 100%;
    }
}

/* Accessibility: disable animated shadows for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    .glass {
        animation: none !important;
    }
}

/* High DPI display optimizations */
@media only screen and (-webkit-min-device-pixel-ratio: 2),
       only screen and (min--moz-device-pixel-ratio: 2),
       only screen and (-o-min-device-pixel-ratio: 2/1),
       only screen and (min-device-pixel-ratio: 2),
       only screen and (min-resolution: 192dpi),
       only screen and (min-resolution: 2dppx) {
    .glass {
        /* Enhanced blur for high DPI screens */
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }
    
    .content {
        backdrop-filter: blur(40px) saturate(180%) brightness(1.1);
        -webkit-backdrop-filter: blur(40px) saturate(180%) brightness(1.1);
    }
}