/* Variables de color y sombras */
:root {
    --bg-color: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --card-bg: #ffffff;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;
}

/* Reseteo básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    padding: 2rem;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

/* Título Principal */
.site-title {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Navegación y Cabecera */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 20px;
}

.logo-container {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: -1px;
}

nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent);
    transition: var(--transition);
}

nav a:hover::after {
    width: 100%;
}

.profile-pic {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border: 2px solid white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: var(--transition);
}

.profile-pic:hover {
    transform: scale(1.1);
}

/* Grid Principal */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

/* Tarjetas (Cards) */
.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 220px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    /* Animación de entrada inicial */
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s forwards;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    z-index: 1;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Retrasos para la animación en cascada */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* Iconos */
.icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.8;
    transition: var(--transition);
}

.card:hover .icon {
    transform: scale(1.1);
    color: var(--accent);
}

/* Sección de Contacto Específica */
.contact-card {
    align-items: flex-start;
    text-align: left;
    background: linear-gradient(135deg, #ffffff, #f1f5f9);
}

.contact-card h3 {
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.social-links {
    list-style: none;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.social-links li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 400;
    color: var(--text-muted);
    transition: var(--transition);
    cursor: pointer;
}

.social-links li:hover {
    color: var(--text-main);
    transform: translateX(5px);
}

.social-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent);
}

/* Animaciones */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Diseño Responsivo */
@media (max-width: 768px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
    header {
        justify-content: center;
        flex-direction: column;
    }
    nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}