html { scroll-behavior: smooth; }

:root {
    /* === PALETA DE FONDOS === */
    --bg-primary:   #07070a;   /* Fondo principal de la página */
    --bg-secondary: #0e0e14;   /* Fondos de tarjetas y secciones */
    --bg-elevated:  #161622;   /* Elementos elevados (dropdown, modales) */

    /* === PALETA DE TEXTO === */
    --text-primary:   #e8e8f0; /* Texto principal */
    --text-secondary: #8888a8; /* Texto de apoyo, descripciones */
    --text-muted:     #44445a; /* Texto muy secundario, separadores */

    /* === COLOR DE ACENTO === */
    --accent:       #00e5b8;                  /* Verde-cian principal */
    --accent-glow:  rgba(0, 229, 184, 0.25);  /* Resplandor suave */
    --accent-dim:   rgba(0, 229, 184, 0.08);  /* Fondo muy sutil con acento */

    /* === BORDES === */
    --border-subtle: rgba(255, 255, 255, 0.06); /* Bordes sutiles generales */
    --border-accent: rgba(0, 229, 184, 0.30);   /* Bordes con color de acento */

    /* === NAVEGACIÓN === */
    --nav-bg: rgba(7, 7, 10, 0.97);

    /* === TIPOGRAFÍA === */
    --font-display: 'Space Grotesk', sans-serif; /* Títulos y UI */
    --font-body:    'Inter', sans-serif;          /* Texto corriente */
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    overflow-x: hidden;
}

/* === TIPOGRAFÍA DE DISPLAY === */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    letter-spacing: -0.02em;
}

/* --- ANIMACIONES GLOBALES --- */
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulseGlow { 0% { box-shadow: 0 0 5px var(--accent-glow); } 50% { box-shadow: 0 0 20px var(--accent); } 100% { box-shadow: 0 0 5px var(--accent-glow); } }
@keyframes backgroundSlide { from { background-position: 0 0; } to { background-position: 100px 100px; } }
@keyframes zoomIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* --- MENÚ HAMBURGUESA ANIMADO --- */
nav { background-color: var(--nav-bg); padding: 0.8rem 2rem; position: sticky; top: 0; z-index: 1000; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-subtle); backdrop-filter: blur(5px); transition: all 0.3s; }
.nav-logo { color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; cursor: pointer; z-index: 1002; }
.nav-logo span { color: var(--accent); }

.nav-right { display: flex; align-items: center; gap: 15px; z-index: 1002; }

#btn-idioma { cursor: pointer; color: var(--accent); font-weight: bold; font-family: var(--font-display); user-select: none; padding: 5px; transition: opacity 0.2s; position: relative; z-index: 1005; pointer-events: auto; }
#btn-idioma:hover { opacity: 0.8; }

.menu-toggle { display: flex; flex-direction: column; cursor: pointer; width: 30px; gap: 6px; z-index: 1002; transition: all 0.3s; }
.menu-toggle span { background-color: white; height: 3px; width: 100%; border-radius: 2px; transition: all 0.3s ease; transform-origin: left center; }

.menu-toggle.activo span:nth-child(1) { transform: rotate(45deg); background-color: var(--accent); }
.menu-toggle.activo span:nth-child(2) { opacity: 0; width: 0; }
.menu-toggle.activo span:nth-child(3) { transform: rotate(-45deg); background-color: var(--accent); }

.nav-menu { display: none; position: absolute; top: 100%; right: 0; background-color: var(--bg-elevated); width: 250px; border-radius: 0 0 0 12px; box-shadow: -4px 4px 20px rgba(0,0,0,0.8); border-left: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); transform: translateX(100%); transition: transform 0.4s ease-in-out; }
.nav-menu.activo { display: block; transform: translateX(0); }

.nav-menu ul { list-style: none; padding: 10px 0; margin: 0; }
.nav-menu li { cursor: pointer; color: #fff; padding: 18px 25px; border-bottom: 1px solid var(--border-subtle); font-weight: 500; transition: all 0.3s; position: relative; overflow: hidden; }
.nav-menu li:hover { color: var(--accent); padding-left: 30px; background-color: var(--accent-dim); }
.nav-menu li:last-child { border-bottom: none; }
.nav-menu li a { color: inherit; text-decoration: none; display: block; }

/* --- HERO SECTION --- */
.hero { position: relative; padding: 8rem 2rem 6rem; text-align: center; overflow: hidden; background-color: var(--bg-primary); border-bottom: 1px solid var(--border-subtle); z-index: 1; }
#particles-js { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; }
.hero-container { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 2rem; animation: fadeIn 1s ease-out; }
.profile-photo { width: 180px; height: 180px; border-radius: 50%; object-fit: cover; border: 4px solid var(--accent); box-shadow: 0 0 20px var(--accent-glow); transition: all 0.3s; }
.profile-photo:hover { transform: scale(1.05); box-shadow: 0 0 35px var(--accent); }
.hero-text h1 { margin: 0; font-size: 3.5rem; color: #fff; line-height: 1.1; }
.hero-text h2 { color: var(--accent); font-weight: 300; font-size: 1.6rem; margin: 0.5rem 0 1.5rem; }
.mini-bio { font-size: 1.15rem; color: var(--text-secondary); max-width: 650px; margin: 0 auto 2.5rem; line-height: 1.7; }
.cta-buttons { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; }
.btn { padding: 0.8rem 2rem; border-radius: 30px; font-family: var(--font-display); font-weight: 600; font-size: 1rem; cursor: pointer; transition: all 0.3s; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; position: relative; overflow: hidden; z-index: 1; }
.btn-primary { background-color: var(--accent); color: #000; border: 2px solid var(--accent); }
.btn-primary:hover { color: #fff; background-color: transparent; box-shadow: 0 0 20px var(--accent); }
.btn-secondary { background-color: transparent; color: var(--accent); border: 2px solid var(--accent); }
.btn-secondary:hover { color: #000; background-color: var(--accent); }

/* Secciones Generales */
.container { max-width: 1000px; margin: 0 auto; padding: 2rem; min-height: 80vh; }
.page { display: none; }
.page.active { display: block; animation: fadeIn 0.5s ease-in-out; }

/* Habilidades Clave */
.habilidades-clave { text-align: center; padding: 4rem 2rem; border-bottom: 1px solid var(--border-subtle); }
.habilidades-clave h3 { color: var(--text-primary); font-size: 1.8rem; margin-bottom: 2rem; }
.stack-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; max-width: 800px; margin: 0 auto; }
.stack-item { background: var(--bg-secondary); color: var(--text-primary); padding: 0.6rem 1.2rem; border-radius: 20px; font-size: 0.9rem; font-weight: 600; border: 1px solid var(--border-subtle); transition: all 0.3s; }
.stack-item:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); box-shadow: 0 4px 15px var(--accent-glow); }

/* Reproductor Vertical */
.video-short-container { text-align: center; margin: 4rem 0; padding: 2rem; background-color: var(--accent-dim); border-radius: 12px; border: 1px solid var(--border-subtle); }
.video-short-container iframe { width: 100%; max-width: 350px; height: 620px; border: none; border-radius: 12px; box-shadow: 0 4px 15px var(--accent-glow); }

.main-media-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 2.5rem 0;
}

.main-preview-img {
    height: 620px;
    width: 350px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 4px 15px var(--accent-glow);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.main-preview-img:hover {
    transform: scale(1.03);
    border-color: var(--accent);
}

@media (max-width: 1200px) {
    .main-media-row { gap: 1rem; }
    .main-preview-img { width: 280px; height: 500px; }
    .video-short-container iframe { height: 500px; max-width: 280px; }
}

@media (max-width: 768px) {
    .main-media-row { flex-direction: column; }
    .main-preview-img { width: 100%; max-width: 350px; height: auto; aspect-ratio: 9/16; }
    .video-short-container iframe { height: 600px; max-width: 340px; }
}

/* Cuadrículas y Tarjetas */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 1rem; }
#lista-categorias { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 768px) {
    #lista-categorias { grid-template-columns: 1fr; }
}
@media (min-width: 1100px) {
    #lista-categorias { grid-template-columns: repeat(4, 1fr); }
}
.card-cat { background-color: var(--bg-elevated); padding: 2rem; border-radius: 12px; border-bottom: 4px solid var(--accent); transition: all 0.3s; cursor: pointer; text-align: center; position: relative; color: var(--text-primary); text-decoration: none; }
.card-cat:hover { transform: translateY(-5px); border-bottom-color: #fff; animation: pulseGlow 2s infinite; }
.card-cat h3 { color: var(--accent); margin-top: 0; font-size: 1.5rem; }
.card-cat p { color: var(--text-secondary); line-height: 1.5; }

.card-proj { background-color: var(--bg-elevated); padding: 1.5rem; border-radius: 8px; border-left: 4px solid var(--border-subtle); transition: all 0.3s; cursor: pointer; position: relative; color: var(--text-primary); text-decoration: none; text-align: left; overflow: hidden; }
.card-proj:hover { transform: translateX(8px); border-left-color: var(--accent); animation: pulseGlow 2s infinite; }
.card-proj h3 { color: var(--text-primary); margin: 0 0 0.5rem; position: relative; z-index: 2; }
.card-proj p { color: var(--text-secondary); margin-bottom: 0; line-height: 1.5; position: relative; z-index: 2; }
.proj-tags { font-size: 0.78rem; color: var(--text-secondary); font-weight: 600; margin-bottom: 0.5rem; letter-spacing: 0.05em; position: relative; z-index: 2; }

.card-number {
    position: absolute;
    bottom: -15px;
    right: -10px;
    font-size: 7.5rem;
    font-weight: 800;
    color: var(--text-secondary);
    opacity: 0.04;
    line-height: 1;
    pointer-events: none;
    z-index: 1;
    font-family: 'Space Grotesk', sans-serif;
    transition: all 0.5s ease;
}

.card-proj:hover .card-number {
    opacity: 0.08;
    transform: scale(1.1) translateX(-10px);
    color: var(--accent);
}

.btn-volver { display: inline-flex; align-items: center; margin-bottom: 2rem; padding: 0.5rem 1rem; background-color: var(--bg-elevated); color: var(--text-primary); border-radius: 5px; cursor: pointer; font-weight: 600; transition: all 0.3s; }
.btn-volver:hover { background-color: var(--accent); color: #000; }
.project-header h2 { color: var(--accent); font-size: 2.8rem; margin: 0; }

/* --- IMÁGENES Y VÍDEOS --- */
.image-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.media-proyecto { width: 100%; height: 350px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border-subtle); box-shadow: 0 4px 15px rgba(0,0,0,0.5); transition: transform 0.3s; }

/* Cursor lupa solo para imágenes, no para videos */
img.media-proyecto { cursor: zoom-in; }
img.media-proyecto:hover { transform: scale(1.02); border-color: var(--accent); }
iframe.media-proyecto { aspect-ratio: 16/9; height: auto; min-height: 250px; cursor: default; }

/* Bloques de texto (Storytelling) */
.bloque-texto { grid-column: 1 / -1; background: var(--bg-secondary); padding: 2rem; border-radius: 8px; border-left: 4px solid var(--accent); margin: 1.5rem 0 0.5rem 0; box-shadow: 0 4px 15px rgba(0,0,0,0.5); }
.bloque-texto h3 { color: var(--accent); margin-top: 0; font-size: 1.6rem; margin-bottom: 0.5rem; }
.bloque-texto p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 0; line-height: 1.7; }

/* Buscador */
.search-container { position: relative; text-align: center; margin: 3rem 0 1rem; }
#buscador { padding: 1rem 2rem; width: 80%; max-width: 520px; border-radius: 30px; border: 1px solid var(--border-subtle); background: var(--bg-secondary); color: var(--text-primary); font-family: var(--font-body); font-size: 1.05rem; outline: none; transition: all 0.3s; }
#buscador:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }

/* Panel de resultados */
.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: min(520px, 90vw);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
    z-index: 900;
    overflow: hidden;
    display: none;
    backdrop-filter: blur(10px);
}
.search-results.visible { display: block; animation: fadeInUp 0.2s ease-out; }
.search-result-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.4rem;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    border-bottom: 1px solid var(--border-subtle);
    text-align: left;
    background: none; border-left: none; border-right: none; border-top: none;
    width: 100%; font-family: var(--font-body);
    color: var(--text-primary);
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover, .search-result-item.highlighted {
    background: var(--accent-dim);
    color: var(--accent);
}
.search-icon { font-size: 1.3rem; flex-shrink: 0; }
.search-info { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.search-title { font-weight: 600; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-breadcrumb { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.search-no-results { padding: 1.5rem; text-align: center; color: var(--text-muted); font-size: 0.95rem; }


footer { text-align: center; padding: 4rem 2rem; font-size: 0.9rem; color: var(--text-muted); border-top: 1px solid var(--border-subtle); margin-top: 4rem; }

/* --- MODAL MEJORADO (SCROLL EN EL BORDE DERECHO) --- */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.92); z-index: 2000; backdrop-filter: blur(8px); overflow-y: auto; }
.modal-contenido { background-color: var(--bg-elevated); margin: 50px auto; padding: 40px; width: 90%; max-width: 900px; border-radius: 12px; border: 1px solid var(--border-subtle); position: relative; box-shadow: 0 10px 40px rgba(0,0,0,0.9); animation: fadeIn 0.3s ease-out; }
.cerrar-modal { position: absolute; top: 15px; right: 25px; font-size: 35px; cursor: pointer; color: var(--text-secondary); transition: color 0.2s; z-index: 10; background: var(--bg-elevated); border-radius: 50%; width: 40px; height: 40px; text-align: center; line-height: 35px; }
.cerrar-modal:hover { color: var(--accent); }
.modal-contenido h2 { color: var(--accent); font-size: 2.2rem; margin-top: 0; }
.modal-contenido .modal-tags { font-size: 0.8rem; color: var(--text-secondary); font-weight: 600; margin-bottom: 1rem; display: block; letter-spacing: 0.08em; }
.modal-contenido p { font-size: 1.1rem; color: var(--text-primary); line-height: 1.7; }

/* --- VISOR DE FOTOS (LIGHTBOX) --- */
.lightbox { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.95); z-index: 3000; justify-content: center; align-items: center; cursor: zoom-out; backdrop-filter: blur(8px); }
.lightbox img { max-width: 95%; max-height: 95vh; object-fit: contain; border-radius: 8px; box-shadow: 0 0 30px rgba(0,0,0,1); animation: zoomIn 0.3s ease-out; }
.cerrar-lightbox { position: absolute; top: 20px; right: 30px; font-size: 40px; color: #fff; cursor: pointer; transition: 0.3s; }
.cerrar-lightbox:hover { color: var(--accent); }

/* ================================================
   PASO 3: REDISEÑO DEL HERO
   ================================================ */

/* --- Nuevas animaciones --- */
@keyframes rotateBorder {
    to { transform: rotate(360deg); }
}
@keyframes badgePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.4; transform: scale(0.8); }
}
@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0);   opacity: 0.5; }
    50%      { transform: translateX(-50%) translateY(10px); opacity: 1;   }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- Halo de luz detrás de la foto --- */
.hero::after {
    content: '';
    position: absolute;
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 229, 184, 0.10) 0%, transparent 65%);
    z-index: 1;
    pointer-events: none;
}

/* --- Wrapper con anillo rotatorio --- */
.photo-wrapper {
    position: relative;
    width: 196px;
    height: 196px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

/* Anillo exterior (gradiente cónico rotando) */
.photo-wrapper::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        var(--accent)  0%,
        #7c3aed       45%,
        transparent   60%,
        var(--accent) 100%
    );
    animation: rotateBorder 5s linear infinite;
    z-index: -1;
}

/* Sombra difusa alrededor del anillo */
.photo-wrapper::after {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    box-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(0, 229, 184, 0.08);
    z-index: -2;
    pointer-events: none;
}

/* La foto ya no necesita borde propio — lo gestiona el wrapper */
.profile-photo {
    border: none !important;
    box-shadow: none !important;
    width: 188px;
    height: 188px;
}
.profile-photo:hover { transform: scale(1.04) !important; }

/* --- Badge de disponibilidad --- */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    margin-bottom: 1.2rem;
    letter-spacing: 0.03em;
    font-family: var(--font-body);
}

.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--accent);
    flex-shrink: 0;
    animation: badgePulse 2.2s ease-in-out infinite;
}

/* --- Indicador de scroll animado --- */
.scroll-indicator {
    position: absolute;
    bottom: 1.8rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    cursor: pointer;
    animation: scrollBounce 2.5s ease-in-out infinite;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 40px;
    gap: 0;
}

.scroll-indicator::before {
    content: '';
    display: block;
    width: 2px;
    height: 25px;
    background: linear-gradient(to bottom, transparent, var(--accent));
    margin-bottom: -2px;
}

.scroll-indicator::after {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
    transform: rotate(45deg);
    opacity: 1;
}

/* --- Entrada escalonada de los elementos del hero --- */
.hero-container { animation: none; }

.hero-container > * {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hero-container > *:nth-child(1) { animation-delay: 0.05s; }
.hero-container > *:nth-child(2) { animation-delay: 0.20s; }

/* ================================================
   PASO 4: SECCIÓN DE CONTACTO PREMIUM
   ================================================ */

.contact-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 5rem 2rem 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    min-height: 80vh;
}

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

.contact-title {
    font-size: 3rem;
    color: #fff;
    margin: 0 0 1rem;
}

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Grid de 4 tarjetas: 2x2 en móvil, 4 en fila en escritorio */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
    width: 100%;
}

/* Tarjeta de contacto */
.contact-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 2rem 1.5rem;
    text-align: center;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-dim);
    opacity: 0;
    transition: opacity 0.3s;
}

.contact-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 12px 40px var(--accent-glow);
}

.contact-card:hover::before { opacity: 1; }

.contact-icon {
    font-size: 2rem;
    line-height: 1;
    margin-bottom: 0.2rem;
    position: relative;
}

.contact-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    position: relative;
}

.contact-value {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    font-family: var(--font-body);
    position: relative;
    word-break: break-all;
}

.contact-card:hover .contact-value {
    color: var(--accent);
}

/* --- BOTONES BASE A11Y --- */
.nav-btn {
    background: none; border: none; color: inherit; font: inherit; padding: 0; cursor: pointer; display: block; width: 100%; text-align: left;
}
.btn-volver {
    display: inline-flex;
    margin-bottom: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 500;
    transition: 0.3s;
    background: none; border: none; font: inherit; padding: 0;
}
.btn-volver:hover { color: var(--accent); transform: translateX(-5px); }

/* --- A11Y: Focus visible para navegación por teclado --- */
a:focus-visible, button:focus-visible { outline: 2px dashed var(--accent); outline-offset: 4px; }

/* --- ANIMACIONES DE SCROLL (REVEAL) --- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- EFECTO TERMINAL (TYPING) --- */
.typing-cursor {
    display: inline-block;
    width: 3px;
    background-color: var(--accent);
    margin-left: 4px;
    animation: blinkCursor 0.8s infinite;
}

@keyframes blinkCursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ================================================
   PASO 5: MÓVIL Y RESPONSIVIDAD (MEDIA QUERIES)
   ================================================ */
@media (max-width: 768px) {
    /* Hero y tipografía */
    .hero { padding: 6rem 1rem 4rem; }
    .hero-text h1 { font-size: 2.2rem; }
    .hero-text h2 { font-size: 1.2rem; margin-top: 1rem; }
    
    /* Foto principal y anillo gradiente */
    .photo-wrapper { width: 156px; height: 156px; }
    .profile-photo { width: 150px; height: 150px; }
    
    /* Grids y Layouts */
    .grid { gap: 1.5rem; }
    .contact-grid { grid-template-columns: 1fr; }
    .habilidades-clave { padding: 3rem 1rem; }
    
    /* Menú móvil */
    .nav-menu { width: 100%; text-align: center; border-radius: 0; }
    .nav-logo { font-size: 1.2rem; }
    
    /* Iframes de YouTube Responsivos */
    iframe.media-proyecto { width: 100%; height: auto; min-height: 200px; }
    
    .contact-section { padding: 3rem 1rem; }
    .contact-title { font-size: 2rem; }
}

/* ================================================
   PASO 3: PRELOADER TERMINAL
   ================================================ */
.preloader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--bg-primary); z-index: 99999;
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 3rem 2rem; box-sizing: border-box;
    transition: opacity 0.6s ease-out, visibility 0.6s;
    font-family: Consolas, monospace;
}

.preloader-content {
    max-width: 800px;
    margin-bottom: 2rem;
}

.term-line {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 6px 0;
    opacity: 0;
    transform: translateY(10px);
    display: flex;
    justify-content: space-between;
}

.term-line.show {
    animation: termShow 0.1s forwards;
}

@keyframes termShow {
    to { opacity: 1; transform: translateY(0); }
}

.term-ok {
    color: var(--accent);
    font-weight: bold;
    margin-left: 20px;
}

.term-cursor {
    display: inline-block;
    width: 8px;
    height: 1.1rem;
    background-color: var(--accent);
    vertical-align: middle;
    margin-left: 8px;
    animation: termBlink 0.8s infinite;
}

@keyframes termBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}