:root {
    --base-100: #181717;
    --base-200: #292725;
    --base-300: #f5f5f5;
}

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

body {
    font-family: "Sometype Mono Variable", cursive;
    background-color: var(--base-100);
    color: var(--base-300);
}

.container {
    position: relative;
    width: 100%;
    height: 100%;
    transform: translateY(0svh);
}

section {
    position: relative;
    width: 100vw;
    height: 100svh;
    padding: 1rem;
}

section > h1 {
    color: var(--base-300);
}

.line,
.char {
    position: relative;
    padding: 1rem;
    margin-bottom: -0.4rem;
    will-change: transform;
}

.preloader-logo .letter {
    display: inline-block;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
    width: 1ch;
    backface-visibility: hidden;
}

.preloader-logo .letter.hidden {
    opacity: 0;
    transform: rotateY(90deg);
}

.preloader-logo .letter:not(.hidden) {
    opacity: 1;
    transform: scale(1) rotateY(0deg);
}

/* Efecto de transformación suave */
.preloader-logo .letter.transforming {
    animation: letterMorph 0.6s ease-in-out;
}

@keyframes letterMorph {
    0% {
        transform: rotateY(0deg);
    }
    50% {
        transform: rotateY(90deg);
        opacity: 0.7;
    }
    100% {
        transform: rotateY(0deg);
        opacity: 1;
    }
}