* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color var(--transition-speed), opacity 0.1s ease-out;
}

a:hover {
    color: var(--accent-color);
}

a:active {
    opacity: 0.7;
}

main {
    padding: 90px var(--spacing-desktop) var(--spacing-desktop);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    flex: 1;
}

/* Splash Screen */
#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    /* Overlay fade out animation */
    animation: splashOverlayFade 0.4s ease-out 3.5s forwards;
}

.splash-heart {
    width: 30px;
    height: 30px;
    background-color: #ff69b4;
    position: relative;
    transform-origin: center center;
    transform: rotate(45deg) scale(0);
    animation: heartSequence 3.5s ease-in-out forwards;
    will-change: transform, opacity;
    transform: translateZ(0); /* Hardware acceleration */
}

.splash-heart::before,
.splash-heart::after {
    content: "";
    width: 30px;
    height: 30px;
    background-color: #ff69b4;
    border-radius: 50%;
    position: absolute;
}

.splash-heart::before {
    top: -15px;
    left: 0;
}

.splash-heart::after {
    left: -15px;
    top: 0;
}

/* Animations */
@keyframes heartSequence {
    0% {
        opacity: 0;
        transform: rotate(45deg) scale(0);
    }
    14% {
        opacity: 1;
        transform: rotate(45deg) scale(1);
    }
    17% {
        transform: rotate(45deg) scale(1.1);
    }
    20% {
        transform: rotate(45deg) scale(1);
    }
    24% {
        transform: rotate(45deg) scale(1.35);
    }
    29% {
        transform: rotate(45deg) scale(1);
    }
    48% {
        transform: rotate(45deg) scale(1);
    }
    51% {
        transform: rotate(45deg) scale(1.1);
    }
    54% {
        transform: rotate(45deg) scale(1);
    }
    59% {
        transform: rotate(45deg) scale(1.35);
    }
    63% {
        transform: rotate(45deg) scale(1);
    }
    85% {
        opacity: 1;
        transform: rotate(45deg) scale(1);
    }
    100% {
        opacity: 0;
        transform: rotate(45deg) scale(0);
    }
}

@keyframes splashOverlayFade {
    0% { opacity: 1; }
    100% { opacity: 0; visibility: hidden; }
}