/* ==========================================================================
   GLOBAL.CSS - Núcleo Estructural, Header, Navegación y Footer
   ========================================================================== */

/* --- 1. VARIABLES GLOBALES --- */
:root {
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --dark: #111827;
    --dark-light: #1f2937;
    --bg-light: #f8fafc;
    --text-main: #111827;
    --text-muted: #6b7280;
    --white: #ffffff;
    --font-titles: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* --- 2. RESET Y BASE --- */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 85px;
}

body {
    margin: 0;
    font-family: var(--font-body);
    background-color: var(--bg-light);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: 100vw; /* Evita que el body sea más ancho que el viewport */
    overflow-x: hidden; /* Corta de raíz cualquier desbordamiento horizontal */
}

h1,
h2,
h3,
.logo,
.menu-principal>li>a {
    font-family: var(--font-titles);
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Contenedor universal */
.contenedor {
    max-width: 1100px;
    margin: 20px auto;
    padding: 0 20px;
}

/* ==========================================================================
   MODO OSCURO (NÚCLEO ESTRUCTURAL)
   ========================================================================== */
body,
header,
.tarjeta {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] body {
    background-color: #0f172a;
    color: #f8fafc;
}

[data-theme="dark"] header {
    background-color: rgba(15, 23, 42, 0.95) !important;
    border-bottom: 1px solid #1e293b;
}

[data-theme="dark"] .logo,
[data-theme="dark"] .menu-principal a {
    color: #f8fafc !important;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3 {
    color: #f8fafc !important;
}

[data-theme="dark"] p {
    color: #94a3b8 !important;
}

[data-theme="dark"] .buscador-nav input {
    background-color: #0f172a;
    color: #f8fafc;
    border-color: #334155;
}

[data-theme="dark"] .badge-flows {
    background: rgba(253, 224, 71, 0.15);
    color: #fde047;
    border-color: rgba(253, 224, 71, 0.3);
}