html {
    overflow-anchor: none;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    scroll-behavior: smooth;
}

.hero {
    min-height: 100vh;
    min-height: 100dvh;
    background-color: #000;
    color: #fff;
}

section {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-in-out;
}

    section.visible {
        opacity: 1;
        transform: translateY(0);
    }

.icono {
    width: 24px;
    height: 24px;
}

.card-techstack {
    min-height: 208px;
}

.timeline {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--bs-border-color);
}

.timeline-item,
.timeline-milestone {
    position: relative;
    margin-bottom: 1.75rem;
    border-radius: 0.5rem;
    transition: background-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out, transform 0.2s ease-in-out;
}

.timeline-item:hover,
.timeline-milestone:hover {
    background-color: var(--bs-primary-bg-subtle);
    box-shadow: -0.75rem 0 0 0 var(--bs-primary-bg-subtle), 0.75rem 0 0 0 var(--bs-primary-bg-subtle);
    transform: translateX(0.25rem);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0.35rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bs-primary);
    transition: transform 0.2s ease-in-out;
}

.timeline-item:hover::before {
    transform: scale(1.35);
}

.timeline-milestone {
    margin-bottom: 0.85rem;
    padding-left: 0.25rem;
    font-size: 0.9rem;
    color: var(--bs-secondary-color);
}

.timeline-milestone::before {
    content: '\2726';
    position: absolute;
    left: -2.35rem;
    color: var(--bs-primary);
    transition: transform 0.2s ease-in-out;
}

.timeline-milestone:hover::before {
    transform: scale(1.3);
}

.list-group-item {
    transition: background-color 0.2s ease-in-out, transform 0.2s ease-in-out;
}

.list-group-item:hover {
    background-color: var(--bs-primary-bg-subtle);
    transform: translateX(0.25rem);
}

#proyectos .card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out, border-color 0.2s ease-in-out;
}

#proyectos .card:hover {
    transform: translateY(-0.35rem);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    border-color: var(--bs-primary);
}

.personal-gallery {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: repeat(2, 200px);
    gap: 0.75rem;
    min-width: 0;
}

.personal-gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
    min-width: 0;
    min-height: 0;
}

.personal-gallery-item img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.5s ease;
}

.personal-gallery-item:hover img {
    transform: scale(1.08);
}

.personal-gallery-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0.6rem 0.85rem;
    font-size: 0.85rem;
    color: #fff;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.65), transparent);
}

.personal-gallery-item--featured {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
}

.personal-gallery-item--tr-a {
    grid-column: 3;
    grid-row: 1;
}

.personal-gallery-item--tr-b {
    grid-column: 4;
    grid-row: 1;
}

.personal-gallery-item--wide {
    grid-column: 3 / 5;
    grid-row: 2;
}

@media (max-width: 991.98px) {
    .personal-gallery {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: repeat(2, 220px);
    }

    .personal-gallery-item--featured,
    .personal-gallery-item--tr-a,
    .personal-gallery-item--tr-b,
    .personal-gallery-item--wide {
        grid-column: auto;
        grid-row: auto;
    }
}

@media (max-width: 575.98px) {
    .personal-gallery {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: repeat(4, 220px);
    }
}

#back-to-top {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 1030;
    width: 48px;
    height: 48px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    line-height: 1;
    border-radius: 50%;
    box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.25);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

    #back-to-top.show {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

#back-to-top-arrow {
    display: inline-block;
    transition: transform 0.15s ease-out;
    transform: rotate(var(--arrow-angle, 0deg));
}