:root {
    /* Mis variables de diseño: colores, sombras y radios de borde */
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --secondary: #ec4899;
    --accent: #f59e0b;
    --bg-body: #f1f5f9;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --radius-xl: 1.5rem;
    --radius-lg: 1rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

body {
    font-family: 'Sora', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Burbujas decorativas del fondo */
.blob {
    position: fixed;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    border-radius: 50%;
    pointer-events: none;
}

.blob-1 {
    top: -10%;
    right: -10%;
}

.blob-2 {
    bottom: 10%;
    left: -10%;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.1) 0%, transparent 70%);
}

/* Estilos de mi barra de navegación */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
    transition: padding 0.3s ease;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    gap: 1rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

/* Language Toggle Switch Styling */
.language-switch {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 1rem;
}

.lang-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    transition: var(--transition);
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 22px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: .4s;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

input:checked+.slider {
    background-color: var(--primary);
}

input:focus+.slider {
    box-shadow: 0 0 1px var(--primary);
}

input:checked+.slider:before {
    transform: translateX(22px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Sección principal de bienvenida */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(180deg, #fff 0%, var(--bg-body) 100%);
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero h1 span {
    display: block;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 3rem;
}

/* Ajustes generales para mis secciones */
section {
    padding: 8rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-tag {
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 0.85rem;
    display: block;
    text-align: center;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 4rem;
}

/* Cuadrícula tipo Bento para mi perfil */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(180px, auto);
    gap: 1.5rem;
}

.bento-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.bento-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.large {
    grid-column: span 2;
    grid-row: span 2;
}

.wide {
    grid-column: span 2;
}

.tall {
    grid-row: span 2;
}

/* Iconos y tarjetas informativas */
.card-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-body);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.8rem;
}

/* Estilos de mis habilidades (pills) */
.skill-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pill {
    background: var(--bg-body);
    padding: 0.6rem 1.2rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.pill:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* Mi línea de tiempo académica */
.timeline {
    border-left: 2px dashed var(--border);
    padding-left: 3.2rem;
    margin-left: 1rem;
}

.timeline-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    margin-bottom: 2rem;
    position: relative;
    transition: var(--transition);
}

.timeline-card:hover {
    border-color: var(--primary);
}

.timeline-card::before {
    content: '';
    position: absolute;
    left: -4.15rem;
    top: 2.8rem;
    width: 1.2rem;
    height: 1.2rem;
    background: var(--primary);
    border-radius: 50%;
    border: 4px solid var(--bg-body);
}

/* Estilos de mis botones */
.btn {
    padding: 1.25rem 2.5rem;
    border-radius: 100px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    box-shadow: 0 10px 20px -5px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(79, 70, 229, 0.5);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Pie de página */
footer {
    background: #fff;
    padding: 4rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

/* Animaciones de aparición gradual */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

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

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

/* Estilos específicos para cuando imprimo o guardo el CV en PDF */
@media print {
    #cv-content {
        height: auto !important;
        overflow: visible !important;
    }

    section {
        page-break-inside: avoid;
    }

    nav,
    .blob,
    #DownloadPDF {
        display: none !important;
    }

    body {
        background: white;
    }

    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }

    .bento-item {
        break-inside: avoid;
        box-shadow: none !important;
    }
}

/* Ajustes para que se vea bien en móviles y tablets */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .large,
    .wide,
    .tall {
        grid-column: auto;
        grid-row: auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .bento-grid {
        grid-template-columns: 1fr;
    }

    section {
        padding: 4rem 1.5rem;
    }
}