/* ==========================================================================
   CONFIGURACIÓN Y VARIABLES CSS FÁCILES DE EDITAR
   ========================================================================== */
:root {
    /* Paleta de Colores (Cambia estos valores para cambiar el estilo de toda la web) */
    --color-primary: #e63946;          /* Color de acento / botones / enlaces */
    --color-primary-hover: #c92a37;    /* Color de acento al pasar el cursor */
    --color-dark-bg: #121214;          /* Fondo principal oscuro */
    --color-dark-surface: #1a1a1e;     /* Fondo de tarjetas y secciones alternas */
    --color-dark-card: #222227;        /* Fondo de tarjetas de proyectos */
    --color-text-main: #f0f0f2;        /* Color del texto principal */
    --color-text-muted: #a0a0ab;       /* Color del texto secundario / subtítulos */
    --color-border: #2e2e36;           /* Color de bordes y separadores */
    
    /* Tipografías */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Dimensiones y espaciados */
    --header-height: 75px;
    --max-content-width: 1200px;
    --border-radius: 8px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ==========================================================================
   RESET Y ESTILOS BASE
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-dark-bg);
    color: var(--color-text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* ==========================================================================
   UTILIDADES Y BOTONES
   ========================================================================== */
.section-container {
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding: 5rem 1.5rem;
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--color-text-main);
    text-transform: uppercase;
}

.title-divider {
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 1rem auto;
    border-radius: 2px;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text-main);
}

.btn-secondary:hover {
    border-color: var(--color-text-main);
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-text-main);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn-block {
    width: 100%;
}

/* ==========================================================================
   1. CABECERA / HEADER
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(18, 18, 20, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition);
}

.header-container {
    max-width: var(--max-content-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-branding {
    display: flex;
    flex-direction: column;
}

.site-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: 1.5px;
    color: #ffffff;
}

.site-title .name-bold {
    font-weight: 900;
    color: var(--color-primary);
}

.site-subtitle {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    color: var(--color-text-muted);
}

/* Navegación Desktop */
.desktop-nav ul {
    display: flex;
    gap: 2rem;
}

.desktop-nav a {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.desktop-nav a:hover,
.desktop-nav a.active {
    color: #ffffff;
}

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

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
    width: 100%;
}

/* Acciones de cabecera */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-toggle-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition);
}

.search-toggle-btn:hover {
    color: var(--color-primary);
}

.search-input-wrapper {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 10px;
    width: 280px;
    display: none;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 0.4rem 0.6rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.search-input-wrapper.open {
    display: flex;
    align-items: center;
}

.search-input-wrapper input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 0.9rem;
    padding: 0.3rem;
}

.search-input-wrapper button {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0.2rem;
}

.hamburger-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
}

/* =======================================================
   MENÚ MÓVIL LATERAL (DRAWER)
   ======================================================= */
.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-drawer-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100%;
    background-color: var(--color-dark-surface);
    border-left: 1px solid var(--color-border);
    z-index: 1100;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: right 0.4s ease;
}

.mobile-drawer.active {
    right: 0;
}

.close-drawer-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

.drawer-logo a {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.3rem;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.drawer-nav ul {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.drawer-nav a {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
    display: block;
}

.drawer-nav a:hover {
    color: var(--color-primary);
    padding-left: 6px;
}

.drawer-social {
    display: flex;
    gap: 1.2rem;
    font-size: 1.3rem;
    color: var(--color-text-muted);
}

.drawer-social a:hover {
    color: var(--color-primary);
}

/* ==========================================================================
   2. SECCIÓN HERO / DESTACADO (VIDEO DE FONDO)
   ========================================================================== */
.hero-section {
    position: relative;
    width: 100%;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background-color: #000;
    overflow: hidden;
}

.hero-banner {
    position: relative;
    width: 100%;
    height: 80vh;
    min-height: 520px;
}

.hero-video,
.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.7);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(18,18,20,0.4) 0%, rgba(18,18,20,0.7) 60%, rgba(18,18,20,0.98) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    z-index: 2;
}

.hero-content {
    max-width: 850px;
    text-align: center;
    animation: fadeInHero 0.8s ease-out;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1.2rem;
    background: var(--color-primary);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.4);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.2rem;
    color: #ffffff;
    text-shadow: 0 4px 25px rgba(0,0,0,0.8);
}

.hero-tagline {
    font-size: 1.15rem;
    color: #e4e4e9;
    margin-bottom: 2.2rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 10px rgba(0,0,0,0.7);
}

.hero-cta-group {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================================
   3. SECCIÓN PORTAFOLIO (GRID & FILTROS)
   ========================================================================== */
.portfolio-section {
    background-color: var(--color-dark-bg);
}

.filter-controls {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background: var(--color-dark-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
}

/* GRID DE PROYECTOS */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background-color: var(--color-dark-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--color-border);
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-primary);
    box-shadow: 0 15px 30px rgba(0,0,0,0.6);
}

.project-card.hide {
    display: none;
}

.card-image-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.card-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .card-image-wrap img {
    transform: scale(1.08);
}

/* Overlay sobre la imagen de la tarjeta */
.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(18, 18, 20, 0.1) 0%, rgba(18, 18, 20, 0.95) 90%);
    opacity: 0.9;
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    transition: opacity 0.3s ease;
}

.card-info {
    width: 100%;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.3rem;
}

.card-category {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}

.view-project-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}

.project-card:hover .view-project-btn {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-action {
    text-align: center;
    margin-top: 3.5rem;
}

/* ==========================================================================
   4. SECCIÓN SOBRE MÍ
   ========================================================================== */
.about-section {
    background-color: var(--color-dark-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 4rem;
    align-items: center;
}

.author-photo-wrapper {
    position: relative;
    max-width: 380px;
    margin: 0 auto;
}

.author-photo {
    border-radius: var(--border-radius);
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
    border: 2px solid var(--color-border);
}

.author-badge {
    position: absolute;
    bottom: -15px;
    right: 20px;
    background: var(--color-primary);
    color: #fff;
    padding: 0.6rem 1.2rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 50px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

.sub-heading {
    display: inline-block;
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.about-title {
    font-family: var(--font-heading);
    font-size: 2.3rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1.2rem;
}

.about-lead {
    font-size: 1.15rem;
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 1.2rem;
    line-height: 1.5;
}

.about-text {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.skills-highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.2rem;
    margin-bottom: 2.5rem;
}

.skill-item {
    background: var(--color-dark-bg);
    padding: 1.2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.skill-item i {
    font-size: 1.6rem;
    color: var(--color-primary);
    margin-bottom: 0.8rem;
}

.skill-item h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: #ffffff;
}

.skill-item p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.about-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ==========================================================================
   5. SECCIÓN EXPERIENCIA / TIMELINE
   ========================================================================== */
.resume-section {
    background-color: var(--color-dark-bg);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 2rem;
    border-left: 2px solid var(--color-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: calc(-2rem - 6px);
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary);
}

.timeline-date {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.4rem;
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
}

.timeline-company {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-bottom: 0.6rem;
}

.timeline-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   6. SECCIÓN CONTACTO
   ========================================================================== */
.contact-section {
    background-color: var(--color-dark-surface);
    border-top: 1px solid var(--color-border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.contact-info-card,
.contact-form-card {
    background-color: var(--color-dark-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.contact-info-card h3,
.contact-form-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: #ffffff;
}

.contact-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
}

.contact-list li i {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-top: 4px;
}

.contact-list strong {
    display: block;
    font-size: 0.85rem;
    color: #fff;
    margin-bottom: 0.2rem;
}

.contact-list a {
    color: var(--color-text-muted);
}

.contact-list a:hover {
    color: var(--color-primary);
}

.social-links-row {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.social-links-row a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-main);
    font-size: 1rem;
    transition: var(--transition);
}

.social-links-row a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    transform: translateY(-3px);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--color-text-main);
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 0.8rem 1rem;
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(230, 57, 70, 0.2);
}

/* ==========================================================================
   7. PIE DE PÁGINA / FOOTER
   ========================================================================== */
.site-footer {
    background-color: #0b0b0d;
    border-top: 1px solid var(--color-border);
    padding: 2.5rem 1.5rem;
}

.footer-container {
    max-width: var(--max-content-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

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

/* ==========================================================================
   8. MODAL / LIGHTBOX DE DETALLE DE PROYECTO
   ========================================================================== */
.project-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 10;
    box-shadow: 0 20px 50px rgba(0,0,0,0.8);
    transform: scale(0.95);
    transition: var(--transition);
}

.project-modal.active .modal-content {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0,0,0,0.6);
    border: 1px solid var(--color-border);
    color: #ffffff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 20;
    transition: var(--transition);
}

.modal-close-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr;
}

.modal-image-wrap {
    width: 100%;
    max-height: 480px;
    background: #000;
}

.modal-image-wrap img {
    width: 100%;
    max-height: 480px;
    object-fit: contain;
    margin: 0 auto;
}

.modal-details {
    padding: 2rem;
}

.modal-category {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-primary);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    margin: 0.5rem 0 1rem 0;
}

.modal-description {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   RESPONSIVE (ADAPTACIÓN A MÓVILES Y TABLETS)
   ========================================================================== */
@media (max-width: 992px) {
    .desktop-nav {
        display: none;
    }
    
    .hamburger-btn {
        display: block;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .author-photo-wrapper {
        margin: 0 auto;
    }

    .about-buttons {
        justify-content: center;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}