/* Importamos la tipografía Plus Jakarta Sans para un look muy limpio y corporativo */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Paleta Light Ejecutiva Premium (Tonos Slate para máxima elegancia) */
    --bg-main: #ffffff;
    --bg-secondary: #f8fafc;
    /* Slate 50 - Gris clarito con tono frío */
    --bg-tertiary: #f1f5f9;
    /* Slate 100 */
    --text-primary: #0f172a;
    /* Slate 900 - Casi negro, excelente legibilidad */
    --text-secondary: #475569;
    /* Slate 600 - Gris medio */
    --border-color: #e2e8f0;
    /* Slate 200 - Bordes sutiles */
    --border-hover: #cbd5e1;
    /* Slate 300 */

    --accent-main: #0f172a;
    /* Slate 900 - Contraste fuerte para botones */
    --accent-light: #334155;
    /* Slate 700 */

    /* Sombras muy refinadas */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.03);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.04), 0 2px 4px -2px rgb(0 0 0 / 0.04);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.04), 0 4px 6px -4px rgb(0 0 0 / 0.04);

    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    /* Suavizado de fuente para pantallas de alta resolución */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

/* Patrón de Fondo Premium (Minimalista Light) */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background-image:
        linear-gradient(to right, rgba(15, 23, 42, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15, 23, 42, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 80%);
}

/* Contenedor Principal */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    gap: 0.6rem;
}

.btn-primary {
    background: var(--accent-main);
    color: #ffffff;
    border: 1px solid var(--accent-main);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 1.2rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

/* Animación sutil de estado (disponibilidad) */
.pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #059669;
    /* Verde profesional (Emerald 600) */
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.4);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(5, 150, 105, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(5, 150, 105, 0);
    }
}

.hero h1 {
    font-size: clamp(2.8rem, 5vw, 4.8rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero h2 {
    font-size: 1.4rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 550px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-image {
    width: 100%;
    aspect-ratio: 4/5;
    background: linear-gradient(145deg, #ffffff, var(--bg-tertiary));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    /* Centrado arriba para que la cara siempre salga bien */
    display: block;
}


/* General Sections */
section {
    padding: 7rem 0;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-desc {
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 650px;
    font-size: 1.15rem;
    line-height: 1.6;
}

/* Projects Grid (Bento Style) */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    /* Esto asegura que la imagen siga el borde redondeado */
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.project-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
    /* Sombra más amplia y difusa al hacer hover */
    transform: translateY(-4px);
}

.project-image {
    width: 100%;
    height: 420px;
    /* Tamaño tipo banner */
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    opacity: 0;
    transition: opacity 0.4s ease;
    backdrop-filter: blur(4px);
    z-index: 2;
}

.image-overlay i {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.image-overlay span {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: 0.05s;
}

.project-image:hover .image-overlay {
    opacity: 1;
}

.project-image:hover .image-overlay i,
.project-image:hover .image-overlay span {
    transform: translateY(0);
}

.project-image.split-image {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    /* Línea divisoria muy sutil */
    background: var(--border-color);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    /* Muestra siempre la parte superior (header/nav) del proyecto */
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    /* Fade-in elegante para las project card images */
    opacity: 0;
}

.project-image img.img-loaded {
    opacity: 1;
}

.project-image:hover img {
    transform: scale(1.04);
}

.project-content-wrapper {
    padding: 3.5rem;
    display: grid;
    grid-template-columns: 2fr 1fr;
    /* 66% info, 33% credenciales */
    gap: 4rem;
    align-items: start;
}

.project-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 2rem;
}

.tech-item {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-weight: 600;
}

.project-details {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    height: fit-content;
}

.project-details h4 {
    font-size: 0.85rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.detail-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.2rem;
}

.detail-item:last-child {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.detail-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.detail-value {
    /* Fuente monoespaciada para contraseñas/usuarios, da un toque técnico muy limpio */
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    color: var(--text-primary);
    font-size: 0.95rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    width: fit-content;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.skill-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.skill-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.skill-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.skill-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.skill-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    line-height: 1.6;
    flex-grow: 1;
}

/* Contacto y Experiencia (Cajas) */
.glass-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 4rem;
    box-shadow: var(--shadow-sm);
}

.text-center {
    text-align: center;
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    background: var(--bg-secondary);
}

/* Responsive Design */
@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-badge {
        margin: 0 auto 2rem;
    }

    .hero p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto 2rem;
    }

    .project-image {
        height: 250px;
    }

    .project-content-wrapper {
        grid-template-columns: 1fr;
        padding: 2.5rem;
        gap: 2.5rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .glass-box {
        padding: 2.5rem;
    }
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
        /* Simplificado para móviles en esta versión */
    }

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

/* Modal Galería de Imágenes */
.gallery-modal {
    visibility: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.gallery-modal.show {
    visibility: visible;
    opacity: 1;
}

.gallery-content-wrapper {
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

/* Frame que contiene la imagen + skeleton */
.gallery-img-frame {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    overflow: hidden;
}

.gallery-content {
    display: block;
    max-width: 100%;
    max-height: 85vh;
    border-radius: 12px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
    object-fit: contain;
    /* Animación SOLO al abrir el modal */
    transform: scale(0.88);
    opacity: 0;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.45s ease;
}

.gallery-modal.show .gallery-content {
    transform: scale(1);
    opacity: 1;
}

/* --- Skeleton shimmer (solo mientras la imagen carga por red) --- */
@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.gallery-skeleton {
    display: none;
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: linear-gradient(90deg,
            rgba(30, 41, 59, 0.8) 25%,
            rgba(71, 85, 105, 0.6) 50%,
            rgba(30, 41, 59, 0.8) 75%);
    background-size: 400% 100%;
    animation: shimmer 1.4s ease-in-out infinite;
    z-index: 2;
    min-width: 400px;
    min-height: 250px;
}

.gallery-skeleton.active {
    display: block;
}


.gallery-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #f8fafc;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 1001;
}

.gallery-close:hover {
    color: #cbd5e1;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(4px);
    z-index: 1001;
}

.gallery-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.gallery-nav.prev {
    left: 40px;
}

.gallery-nav.next {
    right: 40px;
}

.gallery-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 1001;
}

.gallery-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.gallery-indicator.active {
    background: white;
    transform: scale(1.2);
}

/* Eliminado porque ahora el trigger es project-image */
@media (max-width: 900px) {
    .gallery-nav.prev {
        left: 10px;
    }

    .gallery-nav.next {
        right: 10px;
    }

    .gallery-content-wrapper {
        max-width: 100%;
    }
}

/* ─── Page Loader ──────────────────────────────────────────────────────────── */
#page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-main);
    display: flex;
    align-items: center;
    justify-content: center;
    /* Transición de salida: fade out suave */
    transition: opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Cuando JS agrega esta clase → desaparece */
#page-loader.loader-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

/* Logo / iniciales */
.loader-logo {
    font-family: var(--font-main);
    font-weight: 800;
    font-size: 2rem;
    letter-spacing: -1px;
    color: var(--text-primary);
    /* Aparece con un fade-in muy sutil al cargar */
    animation: loader-fadein 0.4s ease forwards;
}

@keyframes loader-fadein {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Track de la barra */
.loader-bar-track {
    width: 120px;
    height: 2px;
    background: var(--bg-tertiary);
    border-radius: 99px;
    overflow: hidden;
}

/* Barra de progreso — animación infinita mientras carga,
   JS la reemplaza con una clase que la lleva al 100% */
.loader-bar {
    height: 100%;
    width: 40%;
    background: var(--text-primary);
    border-radius: 99px;
    animation: loader-slide 1.2s ease-in-out infinite;
    transform-origin: left;
}

@keyframes loader-slide {
    0%   { transform: translateX(-100%) scaleX(1); }
    50%  { transform: translateX(150%) scaleX(1.3); }
    100% { transform: translateX(400%) scaleX(1); }
}

/* Cuando la imagen está lista: barra llega al 100% antes del fade-out */
#page-loader.loader-done .loader-bar {
    animation: none;
    width: 100%;
    transition: width 0.25s ease;
}
/* ─────────────────────────────────────────────────────────────────────────── */