/* Variables de color y fuentes */
:root {
    --primary-color: #0056b3;
    --secondary-color: #1a1a2e;
    --text-color: #333;
    --light-bg: #f4f7f6;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

body {
    color: var(--text-color);
    line-height: 1.6;
}

/* Navegación */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: var(--transition);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

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

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

/* Botones */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
    margin-right: 1rem;
    margin-bottom: 1rem;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-color);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Secciones Globales */
.section {
    padding: 5rem 2rem;
}

.bg-light {
    background-color: var(--light-bg);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 0.5rem auto 0;
}

.section-text {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
    color: #555;
}

/* ==============================
   Hero Section Actualizada
   ============================== */
.hero-section {
    min-height: 100vh; /* Asegura que ocupe al menos el alto de la pantalla */
    display: flex;
    align-items: center; /* Centrado vertical */
    justify-content: center;
    background-color: var(--light-bg);
    padding: 8rem 2rem 5rem; /* Padding superior extra para el navbar fijo */
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
    gap: 4rem; /* Espacio entre imagen y texto */
}

/* Contenedor de la Imagen */
.hero-image-container {
    flex: 1; /* Ocupa espacio proporcional */
    display: flex;
    justify-content: center;
}

.hero-photo {
    width: 300px;  /* Tamaño de la foto en escritorio */
    height: 300px; /* Alto igual al ancho para que sea un círculo perfecto */
    object-fit: cover; /* Asegura que la imagen no se estire */
    border-radius: 50%; /* Hace la foto circular */
    border: 5px solid var(--white); /* Borde blanco elegante */
    box-shadow: 0 10px 25px rgba(0,0,0,0.1); /* Sombra suave */
    transition: var(--transition);
}

.hero-photo:hover {
    transform: scale(1.03); /* Efecto sutil al pasar el mouse */
}

/* Contenedor del Texto */
.hero-text-content {
    flex: 1.5; /* Ocupa un poco más de espacio que la imagen */
    text-align: left; /* Texto alineado a la izquierda */
}

.hero-text-content h1 {
    font-size: 3.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.hero-text-content h1 span {
    color: var(--primary-color);
}

.hero-text-content h2 {
    font-size: 2rem;
    color: #555;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero-text-content p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 0 2.5rem 0; /* Margen solo abajo */
    color: #666;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start; /* Botones alineados a la izquierda */
}

/* Ajustes para los botones en el Hero (eliminamos márgenes antiguos) */
.hero-buttons .btn {
    margin: 0;
}


/* ==============================
   Ajustes Responsivos para el Hero
   ============================== */
@media screen and (max-width: 900px) {
    .hero-container {
        flex-direction: column; /* Apila imagen sobre texto en tablets/móviles */
        text-align: center;
        gap: 2rem;
    }

    .hero-text-content {
        text-align: center; /* Centra el texto en pantallas pequeñas */
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-photo {
        width: 220px; /* Foto un poco más pequeña en móviles */
        height: 220px;
    }

    .hero-text-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        justify-content: center; /* Botones centrados en móviles */
    }
}

@media screen and (max-width: 600px) {
     .hero-text-content h1 {
        font-size: 2.3rem;
    }
    .hero-photo {
        width: 180px;
        height: 180px;
    }
}

/* Grillas (Habilidades y Proyectos) */
.skills-grid, .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.skill-card, .project-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.skill-card:hover, .project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.skill-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.project-card {
    text-align: left;
    border-left: 4px solid var(--primary-color);
}

.project-desc {
    margin: 1rem 0;
    color: #666;
    font-size: 0.95rem;
}

.project-tags span {
    display: inline-block;
    background: var(--light-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

/* Contact Links */
.contact-links {
    margin-top: 2rem;
}

/* Menú Móvil (Hamburguesa) */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 5px;
    transition: all 0.3s ease;
}

/* Responsivo */
@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 100vh;
        top: 60px;
        background-color: var(--white);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        box-shadow: -2px 5px 10px rgba(0,0,0,0.1);
    }
    
    .nav-links li {
        margin: 2rem 0;
    }

    .nav-active {
        transform: translateX(0%);
    }

    .burger {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }
}

/* ==============================
   Sección Experiencia
   ============================== */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.experience-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: var(--transition);
    border-top: 4px solid var(--secondary-color);
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
    border-top: 4px solid var(--primary-color);
}

.experience-card h3 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.experience-card .client-name {
    color: var(--primary-color);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.experience-card .role {
    font-weight: bold;
    color: #444;
    margin-bottom: 0.3rem;
}

.experience-card .tech-stack {
    font-size: 0.85rem;
    color: #777;
}

/* ==============================
   Botón de WhatsApp Flotante
   ============================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1); /* Efecto de crecimiento al pasar el mouse */
    box-shadow: 2px 2px 15px rgba(0,0,0,0.3);
}

.whatsapp-icon {
    width: 40px;
    height: 40px;
}

/* Ajustes para pantallas pequeñas (celulares) */
@media screen and (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    .whatsapp-icon {
        width: 30px;
        height: 30px;
    }
}