/* ---------------------------------------------------------------------- */
/* VARIABLES CSS (AZUL NEÓN ELÉCTRICO) - CON ENFOQUE EN PROFUNDIDAD */
/* ---------------------------------------------------------------------- */
:root {
    --color-neon-blue: #00BFFF;
    --color-neon-accent: #007FFF;
    --color-bg-dark: #050d18;
    --color-text-light: #e0f7ff;
    --color-overlay: rgba(5, 13, 24, 0.96);
    --color-bg-subtle: rgba(0, 191, 255, 0.08);
    --font-heading: 'Roboto Mono', monospace;
    --font-text: 'Poppins', sans-serif;

    --neon-glow:
        0 0 8px rgba(0, 191, 255, 0.7),
        0 0 16px rgba(0, 191, 255, 0.6),
        0 0 30px rgba(0, 127, 255, 0.4);
    --neon-shadow-small: 0 0 5px rgba(0, 191, 255, 0.5);
    --neon-border-thin: 1px solid rgba(0, 191, 255, 0.4);
}

/* ---------------------------------------------------------------------- */
/* GENERAL Y FONDO */
/* ---------------------------------------------------------------------- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-text);
    color: var(--color-text-light);
    scroll-behavior: smooth;
    background: var(--color-bg-dark);
    line-height: 1.7;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Contenedor lluvia */
#rain-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* Cada gota de lluvia */
.rain-drop {
    position: absolute;
    width: 2px;
    height: 15px;
    background: linear-gradient(to bottom, rgba(0, 191, 255, 1), rgba(0, 191, 255, 0));
    opacity: 0.6;
    border-radius: 1px;
    filter: drop-shadow(0 0 6px #00BFFF) drop-shadow(0 0 10px #00BFFF);
    pointer-events: none;
    z-index: 0;
}

.section-padding {
    padding: 120px 25px 80px 25px;
    position: relative;
    z-index: 1;
}

h2 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--color-neon-blue);
    text-shadow: var(--neon-glow);
    text-transform: uppercase;
    letter-spacing: 6px;
    font-weight: 700;
    transition: text-shadow 0.4s ease;
}

h2:hover {
    text-shadow: 0 0 10px var(--color-neon-accent), 0 0 40px var(--color-neon-blue);
}

.container {
    background: var(--color-overlay);
    padding: 50px;
    border-radius: 16px;
    max-width: 1000px;
    margin: 0 auto 70px auto;
    border: var(--neon-border-thin);
    box-shadow: 0 0 40px rgba(0, 191, 255, 0.15);
    backdrop-filter: blur(6px);
    transition: box-shadow 0.5s ease, transform 0.3s ease;
    position: relative;
}

.container:hover {
    box-shadow: 0 0 50px rgba(0, 191, 255, 0.3);
    transform: translateY(-3px);
}

/* ---------------------------------------------------------------------- */
/* MENÚ DE NAVEGACIÓN */
/* ---------------------------------------------------------------------- */
.main-header {
    position: fixed;
    top: 25px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 950px;
    background: rgba(5, 13, 24, 0.7);
    backdrop-filter: blur(16px);
    border-radius: 50px;
    border: 1px solid var(--color-neon-blue);
    box-shadow: 0 0 30px rgba(0, 191, 255, 0.4);
    z-index: 1000;
    padding: 10px 30px;
    transition: all 0.4s ease;
}

.main-header.scrolled {
    top: 15px;
    background: rgba(5, 13, 24, 0.95);
    box-shadow: 0 0 40px rgba(0, 191, 255, 0.6);
}

/* NAV UL */
.main-nav {
    display: block;
    /* SIEMPRE visible en desktop */
}

.main-nav ul {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    list-style: none;
}

/* LINKS */
.main-nav ul li a {
    position: relative;
    text-decoration: none;
    color: var(--color-text-light);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.05rem;
    padding: 10px 0;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.main-nav ul li a:hover {
    color: var(--color-neon-blue);
    text-shadow: 0 0 8px rgba(0, 191, 255, 0.7);
    transform: translateY(-2px);
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(to right, transparent, var(--color-neon-blue), transparent);
    border-radius: 1.5px;
    box-shadow: 0 0 10px var(--color-neon-blue);
    transition: width 0.4s ease;
}

.main-nav ul li a:hover::after,
.main-nav ul li a.active::after {
    width: 100%;
    box-shadow: 0 0 15px var(--color-neon-accent);
}

.main-nav ul li a.active {
    color: var(--color-neon-blue);
    font-weight: 700;
    text-shadow: 0 0 10px var(--color-neon-blue);
}

/* --- MOBILE --- */
@media (max-width: 850px) {
    .main-header {
        border-radius: 0;
        width: 100%;
        left: 0;
        transform: none;
        top: 0;
    }

    /* En mobile el menú horizontal desaparece */
    .main-nav {
        display: none;
    }
}


/* ----------------------- */
/* Estilos active para móvil */
/* ----------------------- */
.mobile-nav ul li a.active {
    color: var(--color-neon-blue);
    font-weight: 700;
    text-shadow: 0 0 10px var(--color-neon-blue);
}

/* Barra neón abajo al link activo */
.mobile-nav ul li a.active::after {
    width: 100%;
    box-shadow: 0 0 15px var(--color-neon-accent);
}


/* ---------------------------------------------------------------------- */
/* HERO SECTION (Inicio / Perfil) */
/* ---------------------------------------------------------------------- */
.hero-section {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    position: relative;
    padding-top: 80px;
}

.profile-card {
    background: rgba(0, 0, 0, 0.384);
    max-width: 900px;
    padding: 70px 60px;
    border-radius: 25px;
    text-align: center;
    border: 3px solid var(--color-neon-accent);
    box-shadow: 0 0 80px rgba(0, 191, 255, 0.3);
    transition: all 0.5s ease;
}

.profile-card:hover {
    border-color: var(--color-neon-blue);
    /* Intercambio de color en hover */
    box-shadow: 0 0 100px var(--color-neon-blue);
}

.tag-line {
    font-family: var(--font-heading);
    color: var(--color-neon-accent);
    letter-spacing: 10px;
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-shadow: var(--neon-shadow-small);
}

.profile-card h1 {
    font-family: var(--font-heading);
    font-size: 5.5rem;
    margin: 0 0 25px 0;
    color: var(--color-neon-blue);
    text-shadow: var(--neon-glow);
}

.intro-text {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Avatar con efecto de pulso (más sutil que la versión anterior) */
.profile-pic {
    width: 180px;
    height: 180px;
    margin: 0 auto 35px auto;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--color-neon-blue);
    box-shadow: 0 0 30px var(--color-neon-blue);
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.6);
    transition: all 0.5s ease;
    animation: pulse-neon 4s infinite alternate ease-in-out;
}

@keyframes pulse-neon {
    0% {
        box-shadow: 0 0 25px var(--color-neon-blue);
    }

    100% {
        box-shadow: 0 0 45px var(--color-neon-accent);
    }
}

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

.profile-pic:hover {
    transform: scale(1.05) rotate(1deg);
    animation-play-state: paused;
    box-shadow: 0 0 50px var(--color-neon-accent);
}

/* Contactos */
.contact-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 45px;
}

.contact-btn {
    text-decoration: none;
    color: var(--color-text-light);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.contact-btn i {
    color: var(--color-neon-blue);
    margin-right: 8px;
    text-shadow: var(--neon-shadow-small);
}

.contact-btn:hover {
    color: var(--color-neon-blue);
    transform: scale(1.15) translateY(-2px);
    text-shadow: 0 0 10px var(--color-neon-accent);
}

.cta-button {
    display: inline-block;
    padding: 16px 55px;
    background: var(--color-neon-blue);
    color: var(--color-bg-dark);
    font-weight: 800;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 0 30px rgba(0, 191, 255, 0.8);
    transition: all 0.4s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    background: var(--color-neon-accent);
    box-shadow: 0 0 50px var(--color-neon-blue), 0 0 80px var(--color-neon-accent);
    transform: translateY(-8px) scale(1.05) rotate(-1deg);
}

/* ---------------------------------------------------------------------- */
/* TIMELINE (Experiencia Laboral) */
/* ---------------------------------------------------------------------- */
.timeline {
    border-left: 4px solid var(--color-neon-accent);
    position: relative;
    padding-left: 30px;
    margin-left: 20px;
}

.job-entry {
    background: var(--color-bg-subtle);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 40px;
    position: relative;
    border: 1px solid rgba(0, 191, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    /* Efecto "Spring" */
}

.job-entry:hover {
    box-shadow: 0 0 30px rgba(0, 191, 255, 0.6);
    transform: translateX(10px);
}

.job-entry::before {
    content: '';
    position: absolute;
    left: -33px;
    top: 35px;
    width: 18px;
    height: 18px;
    background: var(--color-neon-blue);
    border-radius: 50%;
    border: 4px solid var(--color-bg-dark);
    box-shadow: var(--neon-glow);
    transition: all 0.3s ease;
}

.job-entry:hover::before {
    transform: scale(1.3);
    background: var(--color-neon-accent);
}

.job-entry h3 {
    color: var(--color-neon-blue);
    text-shadow: var(--neon-shadow-small);
    margin-top: 0;
    font-size: 1.5rem;
}

.job-entry .company-name {
    display: block;
    font-weight: 700;
    color: var(--color-neon-accent);
    margin: 5px 0 8px 0;
    font-size: 1.1rem;
    letter-spacing: 1.5px;
}

.date-range {
    display: block;
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: 15px;
    font-size: 0.95rem;
    opacity: 0.8;
}

/* ---------------------------------------------------------------------- */
/* STACK TECNOLÓGICO */
/* ---------------------------------------------------------------------- */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    /* 3 columnas de igual tamaño */
    grid-template-rows: repeat(2, auto);
    /* 2 filas con altura automática */
    gap: 30px;
    /* espacio entre filas y columnas */
}


.tech-item {
    padding: 30px;
    text-align: center;
    border-radius: 16px;
    background: var(--color-bg-subtle);
    color: var(--color-neon-blue);
    border: 2px solid var(--color-neon-accent);
    box-shadow: 0 0 25px rgba(0, 191, 255, 0.2);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    cursor: grab;
}

.tech-item i {
    display: block;
    font-size: 3.5rem;
    margin-bottom: 15px;
    text-shadow: var(--neon-glow);
    transition: all 0.5s ease;
}

.tech-item:hover {
    transform: translateY(-10px) rotate(-1deg);
    background: var(--color-neon-blue);
    color: var(--color-bg-dark);
    box-shadow: 0 0 50px var(--color-neon-blue);
    border-color: var(--color-bg-dark);
}

.tech-item:hover i {
    text-shadow: none;
    color: var(--color-bg-dark);
}


/* ---------------------------------------------------------------------- */
/* SKILLS / HABILIDADES */
/* ---------------------------------------------------------------------- */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.skill-tag {
    padding: 14px 30px;
    border-radius: 50px;
    background: rgba(0, 127, 255, 0.2);
    color: var(--color-text-light);
    border: 1px solid var(--color-neon-blue);
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    cursor: default;
    text-shadow: 0 0 2px var(--color-bg-dark);
}

.skill-tag:hover {
    background: var(--color-neon-blue);
    color: var(--color-bg-dark);
    box-shadow: 0 0 15px var(--color-neon-blue);
    transform: scale(1.1);
}

/* ---------------------------------------------------------------------- */
/* EDUCACIÓN */
/* ---------------------------------------------------------------------- */
.education-item {
    border-left: 4px solid var(--color-neon-blue);
    padding: 0 0 25px 25px;
    margin-bottom: 25px;
    position: relative;
}

.education-item::before {
    content: '→';
    /* Símbolo de puntero futurista */
    position: absolute;
    left: -13px;
    top: 0;
    color: var(--color-neon-accent);
    font-size: 1.2rem;
    text-shadow: var(--neon-shadow-small);
    transition: transform 0.3s ease;
}

.education-item:hover::before {
    transform: scale(1.3) rotate(10deg);
    color: var(--color-neon-blue);
}

.education-item h3 {
    color: var(--color-neon-blue);
    margin: 0 0 8px 0;
    font-size: 1.4rem;
    text-shadow: var(--neon-shadow-small);
}

.education-item p {
    margin: 5px 0;
    font-size: 1.05rem;
}

.education-item .date-range {
    color: var(--color-neon-accent);
    font-style: italic;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.extra-info {
    text-align: center;
    margin-top: 40px;
    color: var(--color-neon-accent);
    font-style: italic;
    border-top: 1px dashed rgba(0, 191, 255, 0.3);
    padding-top: 25px;
    font-size: 1.1rem;
}

/* ---------------------------------------------------------------------- */
/* WHATSAPP FLOTANTE Y FOOTER */
/* ---------------------------------------------------------------------- */
.whatsapp-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background-color: var(--color-neon-blue);
    color: var(--color-bg-dark);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.2rem;
    box-shadow: 0 0 30px var(--color-neon-blue);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    /* Efecto "Bounce" */
    z-index: 1001;
}

.whatsapp-float i {
    line-height: 1;
    vertical-align: middle;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.25) rotate(-5deg);
    box-shadow: 0 0 50px var(--color-neon-blue), 0 0 80px var(--color-neon-accent);
}

footer {
    text-align: center;
    padding: 30px 15px;
    color: var(--color-text-light);
    font-size: 0.95rem;
    background: rgba(0, 0, 0, 0.8);
    border-top: 1px solid rgba(0, 191, 255, 0.3);
    letter-spacing: 0.8px;
    position: relative;
}

/* Efecto de resplandor suave arriba */
footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-neon-blue);
    box-shadow: 0 0 15px var(--color-neon-blue);
    animation: neon-glow-footer 4s ease-in-out infinite alternate;
    opacity: 0.7;
}

@keyframes neon-glow-footer {
    0% {
        opacity: 0.5;
        box-shadow: 0 0 8px var(--color-neon-blue);
    }

    100% {
        opacity: 1;
        box-shadow: 0 0 25px var(--color-neon-blue), 0 0 40px var(--color-neon-accent);
    }
}

.footer-neon-text {
    color: var(--color-neon-blue);
    text-shadow: 0 0 8px var(--color-neon-blue);
    font-family: var(--font-heading);
    margin-left: 8px;
    transition: all 0.4s ease;
}

.footer-neon-text:hover {
    color: var(--color-neon-accent);
    text-shadow: 0 0 12px var(--color-neon-accent), 0 0 25px var(--color-neon-accent);
}

.job-entry .company-name {
    display: block;
    font-weight: 700;
    color: var(--color-neon-accent);
    margin: 5px 0 8px 0;
    font-size: 1.1rem;
    letter-spacing: 1.5px;
}


/* ---------------------------------------------------------------------- */
/* BOTÓN HAMBURGUESA */
/* ---------------------------------------------------------------------- */
.menu-toggle {
    display: none;
    font-size: 1.8rem;
    color: var(--color-neon-blue);
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
    width: 30px;
    height: 22px;
    position: fixed;
    /* <- esto mantiene el botón visible siempre */
    top: 15px;
    right: 20px;
}

.menu-toggle span {
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--color-neon-blue);
    border-radius: 5px;
    left: 0;
    transition: all 0.4s ease;
}

.menu-toggle span:nth-child(1) {
    top: 0;
}

.menu-toggle span:nth-child(2) {
    top: 9px;
}

.menu-toggle span:nth-child(3) {
    top: 18px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}


/* ---------------------------------------------------------------------- */
/* MOBILE NAV */
/* ---------------------------------------------------------------------- */
@media (max-width: 850px) {

    /* Ocultar menú de escritorio */
    .main-header {
        display: none !important;
    }

    /* Botón hamburguesa */
    .menu-toggle {
        display: block;
        position: fixed;
        /* ✅ queda siempre visible */
        right: 20px;
        top: 15px;
        z-index: 1100;
        width: 35px;
        height: 25px;
    }

    .mobile-nav {
        display: block;
        position: fixed;
        top: 0;
        left: -100%;
        /* fuera de pantalla al inicio */
        height: 100vh;
        width: 280px;
        background: linear-gradient(160deg, rgba(5, 13, 24, 0.95) 0%, rgba(0, 31, 63, 0.95) 100%);
        border-right: 2px solid var(--color-neon-blue);
        box-shadow: 10px 0 30px rgba(0, 191, 255, 0.4);
        padding-top: 100px;
        transition: left 0.4s ease-in-out;
        z-index: 1000;
        backdrop-filter: blur(8px);
    }

    .mobile-nav.open {
        left: 0;
        /* se desliza a la pantalla */
    }

    .mobile-nav ul {
        flex-direction: column;
        gap: 30px;
        padding-left: 25px;
        align-items: flex-start;
        list-style: none;
    }

    .mobile-nav ul li {
        position: relative;
    }

    .mobile-nav ul li a {
        font-size: 1.4rem;
        color: var(--color-neon-blue);
        text-decoration: none;
        font-weight: 600;
        position: relative;
        transition: all 0.3s ease;
    }

    /* Efecto neón al pasar el cursor */
    .mobile-nav ul li a::after {
        content: "";
        position: absolute;
        width: 0%;
        height: 2px;
        left: 0;
        bottom: -5px;
        background: var(--color-neon-blue);
        transition: width 0.3s ease;
    }

    .mobile-nav ul li a:hover::after {
        width: 100%;
    }

    /* Separadores suaves entre links */
    .mobile-nav ul li+li::before {
        content: "";
        display: block;
        height: 1px;
        width: 80%;
        background: rgba(0, 191, 255, 0.2);
        margin: 15px 0;
    }
}

@media (min-width: 851px) {
    .mobile-nav {
        display: none !important;
    }

    /* Mostrar menú normal de escritorio */
    .main-header {
        display: block !important;
    }

    /* Ocultar botón hamburguesa en escritorio */
    .menu-toggle {
        display: none !important;
    }
}


/* Media Queries ajustadas al nuevo diseño */
@media(max-width: 1024px) {


    .profile-card {
        padding: 50px 40px;
    }

    .profile-card h1 {
        font-size: 4.5rem;
    }

    .main-header {
        max-width: 95%;
    }
}

@media(max-width: 768px) {
    .section-padding {
        padding: 100px 15px 60px 15px;
    }

    h2 {
        font-size: 2.2rem;
        margin-bottom: 40px;
        letter-spacing: 4px;
    }

    .main-nav ul {
        flex-wrap: wrap;
        gap: 15px;
    }

    .main-header {
        top: 10px;
        border-radius: 15px;
        padding: 8px 15px;
    }

    .main-nav ul li a {
        font-size: 0.95rem;
    }

    .profile-card {
        padding: 35px 25px;
    }

    .profile-card h1 {
        font-size: 3rem;
    }

    .intro-text {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }

    .tag-line {
        letter-spacing: 5px;
        font-size: 1rem;
    }

    .contact-links {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 30px;
    }

    .cta-button {
        padding: 14px 40px;
        font-size: 0.95rem;
    }

    .container {
        padding: 30px 20px;
    }

    .tech-grid {
        gap: 20px;
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline {
        padding-left: 20px;
        margin-left: 10px;
    }

    .job-entry h3 {
        font-size: 1.3rem;
    }
}

@media(max-width: 480px) {
    h2 {
        font-size: 1.6rem;
        margin-bottom: 30px;
        letter-spacing: 3px;
    }

    .profile-card h1 {
        font-size: 2.5rem;
    }

    .intro-text {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }

    .cta-button {
        width: 100%;
        padding: 12px 0;
        font-size: 0.85rem;
    }

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

    .tech-item i {
        font-size: 3rem;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
        bottom: 15px;
        right: 15px;
    }

    footer {
        font-size: 0.7rem;
        padding: 20px 10px;
    }
}