/* =======================================================
   PALETA PRINCIPAL
   - Azul oscuro: confianza, profesionalidad
   - Morado: creatividad, misterio
   - Naranja: energía, llamada a la acción
   ======================================================= */

:root {
    /* Fondo general oscuro con toque tecnológico */
    --color-bg: #050816;
    --color-bg-soft: #0b1120;

    /* Colores principales */
    --color-primary: #6366F1;      /* morado-azulado intrigante */
    --color-secondary: #F97316;    /* naranja acento */

    /* Texto */
    --color-light: #f9fafb;
    --color-muted: #9ca3af;

    /* Bordes y efectos */
    --border-soft: rgba(148, 163, 184, 0.25);
    --border-glow: rgba(99, 102, 241, 0.9);

    /* Sombras */
    --shadow-soft: 0 12px 30px rgba(15, 23, 42, 0.8);
}

/* =======================================================
   ESTILOS BASE Y GENERALES
   ======================================================= */

body.bg-dark-olvin {
    background: radial-gradient(circle at top, #111827 0, #020617 40%, #000 100%);
    color: var(--color-light);
    font-family: "Inter", "Segoe UI", sans-serif;
}

.page-content {
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.8), #020617);
}

/* =======================================================
   COMPONENTES REUTILIZABLES
   ======================================================= */

/* Panel grande (ideal para secciones enteras) */
.section-panel {
    background: radial-gradient(circle at top, #0f172a 0, #020617 55%, #000 100%);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid var(--border-soft);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.8);
}

/* Tarjeta con glow */
.card-glow {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.75));
    border-radius: 18px;
    padding: 1.5rem 1.75rem;
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.7);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card-glow:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.95);
    border-color: var(--border-glow);
}

/* Textos de acento */
.text-accent {
    color: var(--color-primary);
}

.text-secondary-accent {
    color: var(--color-secondary);
}

.shadow-soft {
    box-shadow: var(--shadow-soft);
}

/* =======================================================
   NAVBAR - CORREGIDO
   ======================================================= */

.nav-glass {
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px); /* Soporte para Safari */
    border-bottom: 1px solid var(--border-soft);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.nav-glass.nav-scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 10px 30px rgba(0,0,0,0.55);
}

/* Punto del logo */
.logo-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    margin-right: 6px;
    border-radius: 999px;
    background: radial-gradient(circle, var(--color-secondary), var(--color-primary));
}

/* CORRECCIONES PARA EL BOTÓN HAMBURGUESA */
.navbar-toggler {
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
    padding: 0.25rem 0.5rem;
    z-index: 1050; /* Asegurar que esté por encima */
    cursor: pointer !important;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25) !important;
    outline: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255,255,255,0.85)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
    width: 1.2em;
    height: 1.2em;
}

/* Asegurar que el menú colapsado se muestre correctamente */
.navbar-collapse {
    z-index: 1040;
}

/* Para móviles: menú desplegable */
@media (max-width: 991.98px) {
    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid var(--border-soft);
        border-bottom: 1px solid var(--border-soft);
        margin-top: 0.5rem;
        padding: 1rem;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }
    
    .navbar-nav {
        text-align: center;
    }
    
    .nav-item {
        margin: 0.5rem 0;
    }
    
    /* Asegurar que el botón sea claramente visible en móvil */
    .navbar-toggler {
        background-color: rgba(255, 255, 255, 0.1);
    }
}

/* =======================================================
   BOTONES
   ======================================================= */

.btn-pill {
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    padding: 0.35rem 1rem;
    font-size: 0.875rem;
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border: none;
    color: #fff;
    transition: opacity 0.25s ease;
}

.btn-accent:hover {
    opacity: 0.9;
    color: #fff;
}

/* =======================================================
   HERO SECTION
   ======================================================= */

.hero-section {
    padding-top: 5rem; /* por navbar fixed */
    min-height: 15vh;
    background: radial-gradient(circle at top, #1e293b 0, #020617 55%, #000 100%);
    position: relative;
    z-index: 1;
}

.hero-title {
    letter-spacing: 0.03em;
}

.hero-title .accent {
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    color: var(--color-muted);
}

/* =======================================================
   BLOG - LAYOUT GENERAL
   ======================================================= */

.blog-hero-card {
    background: radial-gradient(circle at top, #0f172a 0, #020617 55%, #000 100%);
    border-radius: 24px;
    padding: 2.5rem 2.75rem;
    border: 1px solid var(--border-soft);
    box-shadow: 0 22px 60px rgba(15, 23, 42, 0.9);
}

.blog-hero-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--color-secondary);
}

.blog-hero-title {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.blog-hero-excerpt {
    color: var(--color-muted);
    max-width: 48rem;
}

.blog-meta {
    font-size: 0.85rem;
    color: var(--color-muted);
}

/* =======================================================
   BLOG - COMPONENTES DE BÚSQUEDA Y TAGS
   ======================================================= */

.blog-search-bar {
    margin-top: 1rem;
    margin-bottom: 2.5rem;
}

.blog-search-form .input-group {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.8);
}

.blog-search-icon {
    background: transparent;
    border: none;
    color: var(--color-muted);
    font-size: 1.1rem;
}

.blog-search-input {
    background: transparent;
    border: none;
    color: var(--color-light);
    font-size: 0.95rem;
}

.blog-search-input::placeholder {
    color: rgba(148, 163, 184, 0.7);
}

.blog-search-input:focus {
    box-shadow: none;
    outline: none;
}

.blog-search-button,
.blog-search-reset {
    border-radius: 999px !important;
    padding-inline: 1.4rem;
    font-size: 0.9rem;
}

.blog-search-reset {
    border-color: rgba(148, 163, 184, 0.6);
}

.blog-tags-bar {
    gap: 0.5rem;
}

.tag-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.5);
    font-size: 0.8rem;
    color: var(--color-muted);
    background: rgba(15, 23, 42, 0.85);
    text-decoration: none;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
    cursor: pointer;
}

.tag-pill:hover {
    color: var(--color-light);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.tag-pill.active {
    border-color: var(--color-primary);
    color: var(--color-light);
    background: radial-gradient(circle at top, rgba(99, 102, 241, 0.3), rgba(15, 23, 42, 0.95));
}

.tag-pill-sm {
    font-size: 0.7rem;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
}

/* =======================================================
   BLOG - TARJETAS DE POSTS
   ======================================================= */

.blog-card {
    position: relative;
}

.blog-card-excerpt {
    font-size: 0.95rem;
    line-height: 1.5;
}

.blog-card-link {
    font-size: 0.9rem;
    text-decoration: none;
    color: var(--color-secondary);
    font-weight: 500;
    transition: color 0.2s ease;
    cursor: pointer;
}

.blog-card-link:hover {
    color: var(--color-primary);
}

/* =======================================================
   BLOG - IMÁGENES
   ======================================================= */

.blog-hero-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    max-height: 260px;
}

.blog-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scale(1.02);
    filter: saturate(1.05);
}

.blog-hero-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(15,23,42,0.1), rgba(15,23,42,0.7));
}

.blog-card-image-wrapper {
    overflow: hidden;
    border-radius: 14px;
    max-height: 150px;
}

.blog-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: saturate(1.05);
}

.post-hero-image-wrapper {
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 22px 60px rgba(15, 23, 42, 0.95);
}

.post-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* =======================================================
   BLOG - DETALLE DEL POST
   ======================================================= */

.post-title {
    font-size: clamp(1.9rem, 3.2vw, 2.5rem);
    font-weight: 600;
}

.post-detail-body {
    margin-top: 1.5rem;
    padding: 2.2rem 2rem;
    border-radius: 24px;
    background: radial-gradient(circle at top, #0f172a 0, #020617 55%, #000 100%);
    border: 1px solid var(--border-soft);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.9);
}

.post-reading-area {
    max-width: 820px;
    margin: 0 auto;
    padding: 1rem 0 2rem 0;
}

.post-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-light);
}

.post-content p {
    margin-bottom: 1.2rem;
}

.post-content ul,
.post-content ol {
    margin-bottom: 1.2rem;
    padding-left: 1.5rem;
}

.post-content li {
    margin-bottom: 0.4rem;
}

.post-content h2,
.post-content h3,
.post-content h4 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.post-content blockquote {
    margin: 1.5rem 0;
    padding-left: 1rem;
    border-left: 4px solid var(--color-primary);
    color: var(--color-muted);
    font-style: italic;
}

.post-content img {
    max-width: 100%;
    border-radius: 12px;
    margin: 1.5rem 0;
    box-shadow: 0 12px 35px rgba(0,0,0,0.4);
}

.post-content pre,
.post-content code {
    background: rgba(255,255,255,0.06);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-family: "JetBrains Mono", monospace;
}

/* Mejor legibilidad del texto del post */
.blog-content p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: var(--color-light);
}

.blog-content ul,
.blog-content ol {
    margin-bottom: 1rem;
    padding-left: 1.4rem;
}

.blog-content li {
    margin-bottom: 0.3rem;
}

.blog-content strong {
    color: var(--color-primary);
}

/* =======================================================
   FOOTER
   ======================================================= */

.footer-olvin {
    background: #020617;
    border-top: 1px solid var(--border-soft);
    color: var(--color-muted);
}

/* =======================================================
   ANIMACIONES
   ======================================================= */

.fade-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.7s ease forwards;
}

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

/* Pequeño desfase en la animación para cada tarjeta */
.blog-card.fade-up {
    opacity: 0;
    transform: translateY(18px);
    animation: fadeUp 0.6s ease forwards;
}

/* =======================================================
   AJUSTES ESPECÍFICOS
   ======================================================= */

/* Ajustes para mejorar enlace Leer ahora */
.blog-hero-card .btn-accent {
    margin-top: 0.5rem;
    margin-left: 2.7rem;
}

.blog-hero-card .blog-meta {
    margin-bottom: 0.5rem;
}

.blog-hero-card {
    padding: 2.8rem 3rem;
}

/* Ajuste opcional: separación en desktop entre imagen y texto */
.blog-hero-card .row > .col-lg-7 {
    padding-left: 1rem;
}

/* =======================================================
   MEDIA QUERIES
   ======================================================= */

/* Mobile-friendly corrections */
@media (max-width: 992px) {
    .blog-hero-card {
        padding: 2rem 1.5rem;
    }
    
    /* Asegurar espacio para el navbar en móvil */
    .hero-section {
        padding-top: 6rem;
    }
    
    /* Botones más grandes y accesibles en móvil */
    .btn-pill, .btn-accent {
        padding: 0.5rem 1.2rem;
        font-size: 0.9rem;
    }
    
    /* Ajustes específicos para el botón hamburguesa en móvil */
    .navbar-toggler {
        padding: 0.4rem 0.6rem;
    }
}

/* Pequeños dispositivos */
@media (max-width: 576px) {
    .blog-hero-card {
        padding: 1.5rem 1rem;
    }
    
    .section-panel {
        padding: 1.5rem;
    }
    
    .post-detail-body {
        padding: 1.5rem 1rem;
    }
}

/* =======================================================
   CORRECCIONES DE ACCESIBILIDAD E INTERACTIVIDAD
   ======================================================= */

/* Asegurar que todos los elementos clickeables tengan cursor pointer */
button, .btn, .tag-pill, .blog-card-link, a {
    cursor: pointer;
}

/* Prevenir selección de texto en elementos interactivos */
.navbar-toggler, .btn, .tag-pill {
    user-select: none;
    -webkit-user-select: none;
}

/* Mejorar contraste para accesibilidad */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}



/* espacio para tecnlogias que uso */
.tech-card {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
  backdrop-filter: blur(3px);
}

.tech-card:hover {
  background-color: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}



/* === Estilos para el formulario de contacto === */

#contacto input::placeholder,
#contacto textarea::placeholder {
  color: #e0e0e0;         /* Color claro para placeholders */
  opacity: 0.9;
  font-style: italic;
}

#contacto input,
#contacto textarea {
  color: #949393;             /* Color del texto escrito */
  background-color: #1e1e1e; /* Fondo oscuro uniforme */
  border: 1px solid #444;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#contacto input:focus,
#contacto textarea:focus {
  border-color: #A8DADC;  /* Acento en foco */
  box-shadow: 0 0 5px rgba(168, 218, 220, 0.4);
  outline: none;
}

#contacto button {
  transition: all 0.3s ease;
}

#contacto button:hover {
  transform: scale(1.02);
  box-shadow: 0 0 8px rgba(168, 218, 220, 0.3);
}



/* esto es para el formulario de contactar para el alert*/

.custom-alert {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
}
.custom-alert-content {
  background: #1f1f1f;
  color: white;
  border: 2px solid #ffd700;
  border-radius: 10px;
  padding: 20px;
  width: 90%;
  max-width: 400px;
  text-align: center;
}
.d-none {
  display: none !important;
}