/* --- Variables de Diseño --- */
:root {
    --bg-color: #111827;
    --bg-light: #1F2937;
    --primary-text: #F9FAFB;
    --secondary-text: #9CA3AF;
    --accent-color: #38BDF8;
    --border-color: #374151;
    --font-family: 'Inter', sans-serif;
}

/* --- Reseteo y Estilos Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--primary-text);
    font-family: var(--font-family);
    line-height: 1.6;
}

/* --- Header y Navegación --- */
header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem 5%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

nav a {
    color: var(--secondary-text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
    border-radius: 8px;
    font-weight: 700;
    border: 1px solid transparent;
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

nav a:hover {
    color: var(--primary-text);
    background-color: var(--bg-light);
    border-color: var(--border-color);
}

nav a.active {
    color: var(--primary-text);
    border-color: var(--accent-color);
    background-color: var(--bg-light);
}


/* --- Sección Hero --- */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-image-column {
    justify-self: center;
}

.hero-text-column {
    text-align: left;
}

#hero {
    padding-bottom: 2rem;
}

.hero-image-wrapper {
    position: relative;
    width: 150px;
    margin: 0 auto;
}

.status-badge {
    position: absolute;
    bottom: 5px;
    right: -10px;
    z-index: 2;
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent-color);
    border-radius: 999px;
    color: var(--accent-color);
    background-color: var(--bg-light);
    font-size: 0.9rem;
    font-weight: 700;
}

.profile-pic-container {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    border: 4px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    background-color: var(--bg-light);
}

.profile-pic-container:hover {
    transform: scale(1.05);
}

.profile-pic {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: contain;
}

h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

.bio {
    font-size: 1.25rem;
    color: var(--secondary-text);
    max-width: 600px;
    margin: 0 0 2.5rem 0;
}

.bio strong {
    color: var(--primary-text);
    font-weight: 700;
}

.cta-buttons {
    display: flex;
    justify-content: flex-start;
    gap: 1rem;
}

.cta-primary, .cta-secondary {
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.2s ease, background-color 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.cta-primary {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

.cta-secondary {
    background-color: var(--bg-light);
    color: var(--primary-text);
    border: 1px solid var(--border-color);
}

.cta-primary:hover, .cta-secondary:hover {
    transform: translateY(-3px);
}

/* --- Estilos Generales de Sección --- */
.content-section {
    padding: 4.5rem 0;
}

#hero {
    padding-top: 0; /* Anular el padding superior solo para el hero */
    padding-bottom: 0; /* Anular el padding inferior solo para el hero */
}

.section-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header span {
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -1px;
}

/* --- Sección Experiencia y Tecnologías --- */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.tech-item {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: transform 0.2s ease, border-color 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.tech-item svg {
    width: 48px;
    height: 48px;
    fill: var(--secondary-text);
    stroke: var(--secondary-text);
    transition: fill 0.3s ease, stroke 0.3s ease;
}

.tech-item:hover svg {
    fill: var(--accent-color);
    stroke: var(--accent-color);
}

.tech-item span {
    font-weight: 700;
    color: var(--secondary-text);
}

/* --- Sección Proyectos --- */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.project-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.project-item:nth-child(even) .project-gallery {
    order: 2;
}

.gallery-main-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--bg-light);
}

.gallery-main-image .gallery-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.gallery-main-image .gallery-img.active {
    opacity: 1;
}

.gallery-thumbnails {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
    justify-content: center;
}

.thumbnail {
    width: 80px;
    height: 45px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: border-color 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
    opacity: 0.6;
}

.thumbnail:hover {
    transform: scale(1.1);
    opacity: 1;
}

.thumbnail.active {
    border-color: var(--accent-color);
    opacity: 1;
}

.project-details h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.project-details p {
    color: var(--secondary-text);
    margin-bottom: 2rem;
}

.project-links {
    display: flex;
    justify-content: flex-start;
}

/* --- Sección Soluciones (Paquetes) --- */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.package-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.package-card:hover {
     transform: translateY(-8px);
}

.package-card.popular {
    border-color: var(--accent-color);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 0.3rem 1rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
}

.price {
    font-size: 3rem;
    font-weight: 900;
    text-align: center;
    margin: 1rem 0;
}

.features {
    list-style: none;
    margin: 1rem 0 2rem 0;
    flex-grow: 1;
}

.features li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.features li::before {
    content: '✓';
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

/* --- Sección Contacto --- */
.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-text);
    font-weight: 700;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--primary-text);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.contact-separator {
    margin: 2rem 0;
    color: var(--secondary-text);
    text-transform: uppercase;
    font-size: 0.9rem;
    font-weight: 700;
}

.full-width {
    width: 100%;
}
    
/* --- Footer --- */
.site-footer {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-container {
     max-width: 1000px;
    margin: 0 auto;
}

.site-footer .social-icons {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.site-footer .social-icons a svg {
    width: 28px;
    height: 28px;
    fill: var(--secondary-text);
    transition: fill 0.3s ease;
}

.site-footer .social-icons a:hover svg {
    fill: var(--primary-text);
}

.copyright {
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.credits {
    color: var(--border-color);
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* --- Botón Flotante de WhatsApp --- */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25D366;
    border-radius: 50px;
    box-shadow: 2px 2px 6px rgba(0,0,0,0.4);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: #FFF;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* --- Responsividad --- */
@media (max-width: 900px) {
    .packages-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .project-item,
    .project-item:nth-child(even) {
        grid-template-columns: 1fr;
    }
    .project-item:nth-child(even) .project-gallery {
        order: 0;
    }
    .project-details {
        text-align: center;
    }
    .project-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .hero-image-column {
        grid-row: 1;
    }
    .hero-text-column {
        grid-row: 2;
        text-align: center;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    header {
        padding: 1rem 2%;
    }
    nav a {
        padding: 0.5rem;
        margin: 0 0.2rem;
        font-size: 0.9rem;
    }
    h1 {
        font-size: 2.5rem;
    }
    .section-header h2 {
        font-size: 2rem;
    }
    .bio {
        font-size: 1.1rem;
    }
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 500px) {
  .tech-grid {
    grid-template-columns: 1fr;
  }
}