/* Variables - Nueva paleta de colores */
:root {
    --primary-color: #2c698d; /* Azul profundo */
    --secondary-color: #bae8e8; /* Azul claro */
    --accent-color: #ff9a8d; /* Coral */
    --background-color: #f8f9fa; /* Gris muy claro */
    --dark-accent: #272643; /* Azul oscuro */
    --text-color: #2d334a; /* Gris azulado oscuro */
    --light-text: #ffffff; /* Blanco */
    --card-background: #ffffff; /* Blanco */
    --card-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Navbar - Actualizado para la nueva paleta de colores */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(44, 105, 141, 0.95); /* Usando el color primary con transparencia */
    padding: 1rem 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

#navbar.scrolled {
    padding: 0.8rem 0;
    background-color: rgba(39, 38, 67, 0.95); /* Usando el dark-accent con transparencia */
}

#navbar ul {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

#navbar a {
    color: var(--light-text);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.2s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    position: relative;
}

#navbar a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--accent-color);
    transition: all 0.2s ease;
    transform: translateX(-50%);
}

#navbar a:hover::after {
    width: 70%;
}

#navbar a:hover {
    color: var(--secondary-color);
}

/* Welcome Section - Mejorado */
#welcome-section {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-accent));
    color: var(--light-text);
    padding: 0 2rem;
    position: relative;
    overflow: hidden;
}

#welcome-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, var(--accent-color) 0%, transparent 25%),
                radial-gradient(circle at 70% 30%, var(--secondary-color) 0%, transparent 25%);
    opacity: 0.1;
    z-index: 1;
}

#welcome-section h1 {
    font-size: 3.8rem;
    margin-bottom: 1.2rem;
    position: relative;
    z-index: 2;
    font-weight: 700;
    letter-spacing: 1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out;
}

#welcome-section p {
    font-size: 1.8rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.welcome-buttons {
    margin-top: 2.5rem;
    display: flex;
    gap: 1.5rem;
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.welcome-btn {
    background-color: var(--accent-color);
    color: var(--light-text);
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    border: none;
}

.welcome-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    background-color: #ff8a7d;
}

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

.welcome-btn.outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Projects Section - Actualizado para la nueva paleta */
#projects {
    padding: 6rem 2rem;
    background-color: var(--background-color);
}

#projects h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

#projects h2::after {
    content: '';
    position: absolute;
    width: 70px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.projects-subtitle {
    text-align: center;
    color: var(--text-color);
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    opacity: 0.8;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-tile {
    background-color: var(--card-background);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.project-tile:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
    border-color: rgba(0, 0, 0, 0);
}

.project-tile a {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Estilos mejorados para las imágenes - Actualizado para la nueva paleta */
.image-container {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f8f9fa;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease, filter 0.4s ease;
    padding: 0.5rem;
}

/* Animación para las imágenes */
.project-tile:hover .project-image {
    transform: scale(1.08);
    filter: brightness(1.05);
}

.project-title {
    padding: 1.2rem 1rem 0.8rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    text-align: center;
    background-color: var(--card-background);
    margin: 0;
    transition: color 0.3s ease;
    position: relative;
    z-index: 2;
}

.project-tile:hover .project-title {
    color: var(--primary-color);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0 1rem 1.2rem;
    justify-content: center;
    background-color: var(--card-background);
}

.project-tags span {
    background-color: var(--secondary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--dark-accent);
    transition: background-color 0.3s ease, color 0.3s ease;
    font-weight: 500;
}

.project-tile:hover .project-tags span {
    background-color: var(--primary-color);
    color: var(--light-text);
}

/* Contact Section - Actualizado para la nueva paleta */
#contact {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--dark-accent), var(--primary-color));
    color: var(--light-text);
    text-align: center;
    position: relative;
    overflow: hidden;
}

#contact::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, var(--secondary-color) 0%, transparent 20%),
                radial-gradient(circle at 80% 20%, var(--accent-color) 0%, transparent 20%);
    opacity: 0.1;
    z-index: 1;
}

#contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

#contact h2::after {
    content: '';
    position: absolute;
    width: 70px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

#contact p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 2rem;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.contact-links a {
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 1rem 1.8rem;
    border-radius: 8px;
    transition: all 0.15s ease; /* Transición más rápida para la sección de contactos */
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px); /* Movimiento ligeramente menor para que se sienta más rápido */
    border-color: transparent;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.contact-links i {
    font-size: 1.5rem;
    margin-right: 0.8rem;
}

/* Footer - Actualizado para la nueva paleta */
footer {
    background-color: var(--dark-accent);
    color: var(--light-text);
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* Responsive Design - Ajustado para la nueva implementación */
@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    #welcome-section h1 {
        font-size: 2.8rem;
    }
    
    #welcome-section p {
        font-size: 1.2rem;
    }
    
    .welcome-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .welcome-btn {
        width: 200px;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .image-container {
        height: 200px;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-links a {
        width: 80%;
    }
}

@media (max-width: 480px) {
    #navbar ul {
        gap: 0.8rem;
    }
    
    #navbar a {
        font-size: 0.9rem;
        padding: 0.4rem 0.7rem;
    }
    
    #welcome-section h1 {
        font-size: 2rem;
    }
    
    #welcome-section p {
        font-size: 1rem;
    }
    
    #projects h2,
    #contact h2 {
        font-size: 1.8rem;
    }
    
    .projects-subtitle {
        font-size: 0.9rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .image-container {
        height: 180px;
    }
}