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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

ul { list-style: none; }
a { text-decoration: none; color: inherit; transition: opacity 0.2s; }
img { max-width: 100%; display: block; }

/* =========================================
   2. VARIABLES DE DISEÑO (DESIGN TOKENS)
   ========================================= */
:root {
    /* --- PALETA DE COLORES OFICIAL --- */
    --navy-blue: #0B2545;
    --teal: #0FA3A3;
    --coral: #FF6B55;
    
    --logo-orange-light: #ffb86b; 

    /* --- TEMA CLARO (Default) --- */
    --bg-color: #F5F7FA;
    --text-main: #0B2545;
    --text-secondary: #5A6B7C;
    --white: #FFFFFF;

    /* --- SOMBRAS NEUMÓRFICAS (LIGHT MODE) --- */
    --shadow-light: -6px -6px 12px rgba(255, 255, 255, 0.8);
    --shadow-dark: 6px 6px 12px rgba(11, 37, 69, 0.1);
    
    --shadow-inset: inset 4px 4px 8px rgba(11, 37, 69, 0.08), 
                    inset -4px -4px 8px rgba(255, 255, 255, 0.9);

    /* --- ESPACIADO & BORDES --- */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-round: 50px;

    /* --- TIPOGRAFÍA --- */
    --font-heading: 'Noto Sans', sans-serif;
    --font-body: 'Noto Sans', sans-serif;
}

/* =========================================
   3. CLASES UTILITARIAS DE DISEÑO
   ========================================= */

/* Contenedor principal */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Tarjeta Bento Base (Neumorfismo Extero) */
.bento-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-dark), var(--shadow-light);
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.4);
}

/* Elemento Hundido (Neumorfismo Interno) */
.neumorphic-inset {
    background: var(--bg-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-inset);
    border: none;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-round);
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: var(--navy-blue);
    color: var(--white);
    box-shadow: 4px 4px 10px rgba(11, 37, 69, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #163A63;
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: inset 2px 2px 5px rgba(0,0,0,0.2);
}

.btn-accent {
    background: var(--coral);
    color: white;
}

/* Texto */
h1, h2, h3 {
    color: var(--navy-blue);
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; font-weight: 600; }
p { margin-bottom: 1rem; color: var(--text-secondary); }

/* Utilidades de Visibilidad - ver style.css para .hidden-mobile */