/* ============================================================
            1. PALETA DE COLORES (Grises sutiles y oscuros)
            ============================================================ */
:root {
    --bg-body: #0A0A0F;
    --bg-card: #13131A;
    --border-subtle: #2A2A35;

    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-muted: #6C6C7A;

    /* Acento gris sutil */
    --accent: #7A7A8A;
    --accent-hover: #FFFFFF;

    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ============================================================
            2. RESET Y BASE
            ============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    background-color: var(--bg-body);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 76px;
}

/* ============================================================
            3. FONDO DE PARTÍCULAS (nuevo)
            ============================================================ */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: auto; /* permite la interacción del mouse */
}

/* Asegurar que el contenido principal esté por encima del canvas */
main,
.hero-section,
.project-intro-section,
#proyectos {
    position: relative;
    z-index: 1;
}

/* ============================================================
            4. NAVBAR (con logo en lugar de texto)
            ============================================================ */
.navbar-custom {
    background-color: var(--bg-body);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0.5rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030; /* por encima del canvas */
}

.navbar-logo {
    height: 40px;
    width: auto;
    border-radius: 4px;
    transition: opacity 0.2s;
}

.navbar-logo:hover {
    opacity: 0.8;
}

.navbar-custom .navbar-nav .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.5rem 0.75rem;
    transition: color 0.25s ease;
}

.navbar-custom .navbar-nav .nav-link:hover,
.navbar-custom .navbar-nav .nav-link.active {
    color: var(--text-primary);
}

.navbar-custom .navbar-toggler {
    border-color: var(--border-subtle);
    color: var(--text-secondary);
}

.navbar-custom .navbar-toggler:focus {
    box-shadow: none;
}

/* ============================================================
            5. HERO (foto al lado, centrada verticalmente)
            ============================================================ */
.hero-section {
    padding: 2rem 0 2rem 0;
}

@media (min-width: 768px) {
    .hero-section {
        padding: 4rem 0 3rem 0;
    }
}

/* Foto de perfil grande (al lado) */
.avatar-profile-lg {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    transition: border-color 0.3s ease;
}

.avatar-profile-lg:hover {
    border-color: var(--accent-hover);
}

.hero-name {
    font-weight: 900;
    font-size: clamp(2.8rem, 10vw, 5.5rem);
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.hero-tagline {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-description {
    color: var(--text-secondary);
    max-width: 65ch;
    margin-bottom: 1.5rem;
}

/* Badges (píldoras) - en gris sutil */
.badge-pill-custom {
    display: inline-block;
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent);
    background-color: transparent;
    border: 1px solid var(--accent);
    border-radius: 50px;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.badge-pill-custom:hover {
    background-color: var(--accent);
    color: var(--bg-body);
    border-color: var(--accent);
}

/* Botones CTA */
.btn-accent {
    background-color: #FFFFFF;
    color: var(--bg-body);
    border: 1px solid #FFFFFF;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
    text-decoration: none;
}

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

.btn-outline-accent {
    background-color: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
    text-decoration: none;
}

.btn-outline-accent:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--bg-body);
}

/* ============================================================
            6. SECCIÓN "DESARROLLO WEB PROFESIONAL"
            ============================================================ */
.project-intro-section {
    padding: 2rem 0 1rem 0;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 2rem;
}

.project-intro-section h2 {
    font-weight: 700;
    font-size: 1.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.project-intro-section p {
    color: var(--text-secondary);
    max-width: 75ch;
}

.project-intro-section ul {
    color: var(--text-secondary);
    list-style: none;
    padding-left: 0;
}

.project-intro-section ul li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.project-intro-section ul li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.project-intro-section a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.project-intro-section a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* ============================================================
            7. PROYECTOS (lista horizontal con imagen y contenido)
            ============================================================ */
.section-title {
    font-weight: 700;
    font-size: 1.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 1rem;
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: 2rem; /* separación entre proyectos */
}

.project-item {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    background: rgba(255, 255, 255, 0.015); /* casi transparente */
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.project-item:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(160, 160, 160, 0.12),
        0 0 60px rgba(160, 160, 160, 0.04);
}

/* Imagen */
.project-image {
    flex: 0 0 200px;
    max-width: 200px;
    height: auto;
    position: relative;
    overflow: hidden;
    background: rgba(10, 10, 15, 0.3);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.project-item:hover .project-image img {
    transform: scale(1.03);
}

/* Contenido */
.project-content {
    flex: 1;
    padding: 1.5rem 2rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-title {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

/* Enlaces */
.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.project-links a {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.3rem 1rem;
    border-radius: 50px;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
    text-decoration: none;
    display: inline-block;
}

.project-links a:hover {
    background: var(--accent);
    color: var(--bg-body);
    border-color: var(--accent);
}

/* Separador <hr> */
.project-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.08), transparent);
    margin: 0.25rem 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
    .project-item {
        flex-direction: column;
        align-items: stretch;
    }
    .project-image {
        flex: 0 0 auto;
        max-width: 100%;
        height: 180px;
    }
    .project-content {
        padding: 1rem;
    }
    .project-title {
        font-size: 1rem;
    }
    .project-description {
        font-size: 0.85rem;
    }
    .project-divider {
        margin: 0.5rem 0;
    }
}

/* ============================================================
            PROYECTOS - LISTA HORIZONTAL CON IMAGEN Y CONTENIDO
            ============================================================ */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 2rem; /* separación entre proyectos */
}

.project-item {
    display: flex;
    flex-direction: row;
    align-items: stretch; /* para que la imagen y el contenido tengan la misma altura */
    background: rgba(255, 255, 255, 0.015); /* casi transparente */
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.project-item:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(160, 160, 160, 0.12),
        0 0 60px rgba(160, 160, 160, 0.04);
}

.project-image {
    flex: 0 0 200px; /* ancho fijo para la imagen */
    max-width: 200px;
    height: auto;
    position: relative;
    overflow: hidden;
    background: rgba(10, 10, 15, 0.3);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.project-item:hover .project-image img {
    transform: scale(1.03);
}

.project-content {
    flex: 1;
    padding: 1.5rem 2rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-title {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.project-links a {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.3rem 1rem;
    border-radius: 50px;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
    text-decoration: none;
    display: inline-block;
}

.project-links a:hover {
    background: var(--accent);
    color: var(--bg-body);
    border-color: var(--accent);
}

/* Línea divisoria entre proyectos */
.project-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.1), transparent);
    margin: 0.5rem 0;
}

/* Ajustes para móvil: imagen arriba, contenido abajo */
@media (max-width: 767px) {
    .project-item {
        flex-direction: column;
        align-items: stretch;
    }
    .project-image {
        flex: 0 0 auto;
        max-width: 100%;
        height: 180px; /* altura fija para móvil */
    }
    .project-content {
        padding: 1rem;
    }
    .project-title {
        font-size: 1rem;
    }
    .project-description {
        font-size: 0.85rem;
    }
}

/* ============================================================
            8. FOOTER (por encima del canvas)
            ============================================================ */
.footer-custom {
    border-top: 1px solid var(--border-subtle);
    padding: 2rem 0;
    margin-top: 3rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
    position: relative;
    z-index: 2; /* por encima del canvas y del contenido */
}

/* ============================================================
            9. UTILIDADES Y RESPONSIVE
            ============================================================ */
.text-secondary-custom {
    color: var(--text-secondary) !important;
}

.gap-3 {
    gap: 1rem !important;
}

.gap-2 {
    gap: 0.75rem !important;
}

@media (max-width: 767px) {
    .hero-name {
        font-size: 2.8rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .navbar-custom .navbar-nav .nav-link {
        font-size: 0.75rem;
        padding: 0.4rem 0.5rem;
    }

    .project-card .card-img-top {
        height: 160px;
    }

    .project-intro-section ul li {
        padding-left: 1.2rem;
    }

    .avatar-profile-lg {
        width: 180px;
        height: 180px;
        border-radius: 50%;
        object-fit: cover;
        border: 3px solid var(--accent);
        transition: border-color 0.3s ease;
    }

    .avatar-profile-lg:hover {
        border-color: var(--accent-hover);
    }

    @media (max-width: 767px) {
        .avatar-profile-lg {
            width: 140px;
            height: 140px;
            margin-bottom: 1.5rem;
        }
    }

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

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

    .badge-pill-custom {
        font-size: 0.65rem;
        padding: 0.3rem 0.8rem;
    }

    .btn-accent,
    .btn-outline-accent {
        font-size: 0.75rem;
        padding: 0.5rem 1.2rem;
    }
}