/* ==========================================
   PALETA & TEMA GENERAL
   - Fondo negro suave
   - Colores difuminados (azul, morado, verde)
   - Iluminación cómoda para la vista
========================================== */
:root {
    /* Colores base */
    --bg-main: #020617;        /* Fondo principal oscuro */
    --bg-soft: #020617;        /* Fondo suave para secciones */
    --card-bg: #020617;        /* Fondo de tarjetas con borde */
    --border-soft: #1f2937;
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;

    /* Colores acento (difuminados) */
    --accent-blue: #38bdf8;
    --accent-purple: #a855f7;
    --accent-green: #22c55e;

    /* Gradientes difuminados */
    --gradient-1: radial-gradient(circle at top left, rgba(56,189,248,0.25), transparent 60%);
    --gradient-2: radial-gradient(circle at bottom right, rgba(168,85,247,0.25), transparent 60%);

    /* Botones */
    --btn-primary-bg: #22c55e;
    --btn-primary-bg-hover: #16a34a;
    --btn-secondary-bg: #0f172a;
    --btn-secondary-border: #38bdf8;

    /* Otros */
    --radius-card: 14px;
    --radius-pill: 999px;
}

/* ==========================================
   RESET BÁSICO Y TIPOGRAFÍA GLOBAL
========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
}

/* Elimina estilo de listas por defecto */
ul {
    list-style: none;
}

/* Enlaces base */
a {
    text-decoration: none;
    color: inherit;
}

/* Contenedor máximo para centrar contenido */
.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* ==========================================
   FONDOS DIFUMINADOS (CAPAS DECORATIVAS)
========================================== */
.bg-gradient {
    position: fixed;
    width: 50vw;
    height: 50vh;
    pointer-events: none;
    z-index: -1;
    filter: blur(40px);
}

.bg-gradient-1 {
    top: -10%;
    left: -10%;
    background: var(--gradient-1);
}

.bg-gradient-2 {
    bottom: -10%;
    right: -10%;
    background: var(--gradient-2);
}

/* ==========================================
   HEADER / NAVBAR
========================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
    background: linear-gradient(to bottom, rgba(2,6,23,0.95), rgba(2,6,23,0.75));
    border-bottom: 1px solid rgba(31,41,55,0.7);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

/* Marca / Logo */
.nav__brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav__logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, var(--accent-purple), var(--accent-blue));
    color: #020617;
    font-weight: 700;
    font-size: 0.9rem;
}

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

/* Menú */
.nav__menu {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 0.9rem;
}

.nav__link {
    color: var(--text-muted);
    position: relative;
    padding: 4px 0;
    transition: color 0.2s ease;
}

/* Línea sutil al pasar el mouse */
.nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    border-radius: var(--radius-pill);
    background: linear-gradient(to right, var(--accent-blue), var(--accent-purple));
    transition: width 0.2s ease;
}

.nav__link:hover {
    color: var(--text-main);
}

.nav__link:hover::after {
    width: 100%;
}

/* Link destacado (Contacto) */
.nav__link--highlight {
    color: var(--accent-blue);
}

/* ==========================================
   SECCIONES GENERALES
========================================== */
.main {
    padding-bottom: 60px;
}

.section {
    padding: 50px 0;
}

.section--soft {
    background: radial-gradient(circle at top left, rgba(15,23,42,0.8), rgba(2,6,23,1));
    border-top: 1px solid rgba(15,23,42,0.7);
    border-bottom: 1px solid rgba(15,23,42,0.7);
}

.section__header {
    margin-bottom: 25px;
    text-align: left;
}

.section__title {
    font-size: 1.8rem;
    margin-bottom: 6px;
}

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

/* Sección acciones centradas */
.section__actions {
    margin-top: 25px;
    text-align: center;
}

/* ==========================================
   HERO / INICIO
========================================== */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
    padding: 60px 0 40px;
}

.hero__content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero__tag {
    font-size: 0.8rem;
    color: var(--accent-blue);
    background: rgba(15,23,42,0.8);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(56,189,248,0.4);
    display: inline-block;
}

.hero__title {
    font-size: 2.4rem;
    font-weight: 700;
}

.hero__subtitle {
    font-size: 0.98rem;
    color: var(--text-muted);
    max-width: 480px;
}

/* Acciones principales */
.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Botones genéricos */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

/* Botón principal (muy claro que es botón) */
.btn--primary {
    background: var(--btn-primary-bg);
    color: #020617;
}

.btn--primary:hover {
    background: var(--btn-primary-bg-hover);
    transform: translateY(-1px);
}

/* Botón secundario tipo ghost */
.btn--ghost {
    background: transparent;
    border-color: rgba(148,163,184,0.7);
    color: var(--text-main);
}

.btn--ghost:hover {
    border-color: var(--accent-blue);
}

/* Botón secundario para "Ver más proyectos" */
.btn--secondary {
    background: var(--btn-secondary-bg);
    border-color: var(--btn-secondary-border);
    color: var(--text-main);
}

.btn--secondary:hover {
    background: rgba(15,23,42,0.8);
}

/* Redes sociales */
.hero__social {
    margin-top: 4px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hero__social-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.hero__social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    background: rgba(15,23,42,0.9);
    border: 1px solid rgba(31,41,55,0.9);
    font-size: 0.85rem;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.1s ease;
}

.social-link__icon {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-pill);
    background: radial-gradient(circle, var(--accent-blue), var(--accent-purple));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: #020617;
    font-weight: 700;
}

.social-link:hover {
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

/* Link deshabilitado (LinkedIn futuro) */
.social-link--disabled {
    opacity: 0.5;
    cursor: default;
}

/* Aficiones discretas como chips */
.hero__tags {
    margin-top: 4px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.chip {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    background: rgba(15,23,42,0.85);
    border: 1px solid rgba(31,41,55,0.9);
    color: var(--text-muted);
}

/* Columna de foto */
.hero__photo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.hero__photo-frame {
    width: 220px;
    height: 220px;
    border-radius: 999px;
    padding: 4px;
    background: conic-gradient(from 120deg, var(--accent-purple), var(--accent-blue), var(--accent-green), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__img {
    width: 100%;
    height: 100%;
    border-radius: 999px;
    object-fit: cover;
    border: 4px solid #020617;
    background: #020617;
}

.hero__photo-note {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================
   CV
========================================== */
.cv {
    padding: 18px 16px;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-soft);
    background: rgba(15,23,42,0.8);
}

.cv__link {
    display: inline-flex;
    padding: 7px 14px;
    border-radius: var(--radius-pill);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    font-size: 0.9rem;
    font-weight: 500;
}

.cv__link:hover {
    background: rgba(15,23,42,1);
}

.cv__hint {
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================
   PROYECTOS DESTACADOS
========================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

/* Tarjeta de proyecto */
.project-card {
    border-radius: var(--radius-card);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--border-soft);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Contenedor de imagen */
.project-card__image-wrapper {
    width: 100%;
    height: 160px;
    overflow: hidden;
    background: radial-gradient(circle at top, rgba(56,189,248,0.15), transparent 60%);
}

.project-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Contenido */
.project-card__content {
    padding: 14px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.project-card__title {
    font-size: 1rem;
    font-weight: 600;
}

.project-card__description {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Tecnologías */
.project-card__tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.badge {
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: var(--radius-pill);
    background: rgba(15,23,42,0.9);
    border: 1px solid rgba(55,65,81,0.9);
}

/* Enlaces del proyecto */
.project-card__links {
    margin-top: 4px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.85rem;
}

.project-card__link {
    color: var(--accent-blue);
}

.project-card__link:hover {
    text-decoration: underline;
}

/* ==========================================
   RECONOCIMIENTOS
========================================== */
.recognitions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.recognition-card {
    border-radius: var(--radius-card);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--border-soft);
    padding: 14px 16px;
}

.recognition-card__title {
    font-size: 1rem;
    margin-bottom: 4px;
}

.recognition-card__description {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ==========================================
   SOBRE MÍ
========================================== */
.about {
    border-radius: var(--radius-card);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--border-soft);
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.about__text {
    font-size: 0.9rem;
    color: var(--text-main);
}

.about__domain {
    margin-top: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.about__domain-label {
    font-weight: 500;
    margin-right: 4px;
}

/* ==========================================
   HABILIDADES
========================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.skills-block {
    border-radius: var(--radius-card);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--border-soft);
    padding: 14px 16px;
}

.skills-block__title {
    font-size: 1rem;
    margin-bottom: 6px;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.skills-list__item {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================
   TECH STACK </>
========================================== */
.stack {
    border-radius: var(--radius-card);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--border-soft);
    padding: 14px 16px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
}

.stack__group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stack__title {
    font-size: 0.95rem;
    font-weight: 600;
}

.stack__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.chip--stack {
    border-color: rgba(75,85,99,0.9);
}

/* ==========================================
   EXPERIENCIA
========================================== */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.experience-block {
    border-radius: var(--radius-card);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--border-soft);
    padding: 14px 16px;
}

.experience-block__title {
    font-size: 1rem;
    margin-bottom: 6px;
}

.experience-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.experience-list__item {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================
   FORMACIÓN
========================================== */
.education {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.education__item {
    border-radius: var(--radius-card);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--border-soft);
    padding: 14px 16px;
}

.education__title {
    font-size: 1rem;
    margin-bottom: 4px;
}

.education__detail {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ==========================================
   BLOG / ARTÍCULOS
========================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.blog-card {
    border-radius: var(--radius-card);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--border-soft);
    padding: 14px 16px;
}

.blog-card__title {
    font-size: 1rem;
    margin-bottom: 4px;
}

.blog-card__excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.blog-card__link {
    font-size: 0.85rem;
    color: var(--accent-blue);
}

/* ==========================================
   CONTACTO
========================================== */
.contact {
    border-radius: var(--radius-card);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--border-soft);
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact__label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.contact__email {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.contact__value {
    font-size: 0.9rem;
    padding: 4px 8px;
    border-radius: var(--radius-pill);
    background: rgba(15,23,42,0.9);
    border: 1px solid rgba(55,65,81,0.9);
}

/* No es botón, pero se ve claramente clicable */
.contact__copy {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    background: rgba(15,23,42,0.9);
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    cursor: pointer;
}

.contact__channels {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact__links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.contact__link {
    font-size: 0.85rem;
    color: var(--accent-purple);
}

.contact__link:hover {
    text-decoration: underline;
}

.contact__note {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================
   FOOTER
========================================== */
.footer {
    border-top: 1px solid rgba(15,23,42,0.9);
    padding: 14px 0;
    background: rgba(2,6,23,0.95);
}

.footer__content {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================
   RESPONSIVE (TABLET / MÓVIL)
========================================== */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .hero__photo {
        order: -1;
    }

    .nav__menu {
        gap: 10px;
        font-size: 0.8rem;
    }
}

@media (max-width: 640px) {
    .nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        height: auto;
        padding: 6px 0 10px;
    }

    .hero {
        padding-top: 30px;
    }

    .section {
        padding: 35px 0;
    }

    .section__title {
        font-size: 1.4rem;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__photo-frame {
        width: 180px;
        height: 180px;
    }

    .footer__content {
        flex-direction: column;
        align-items: flex-start;
    }
}