:root {
    /* Colores */
    --color-primary: #1171B6;
    --color-secondary: #083471;
    --color-accent: #3E7A94;
    --color-dark: #033537;
    --color-text: #333333;
    --color-text-light: #818181;
    --color-white: #ffffff;
    --color-bg-light: #E3EDEB;
    --color-bg-alt: rgba(192, 220, 228, 0.23);
    
    /* Tipografías */
    --font-heading: 'Playfair Display', serif;
    --font-subheading: 'Dosis', sans-serif;
    --font-body: 'Roboto', sans-serif;
    
    /* Espaciado */
    --container-width: 1140px;
    --section-padding: 60px 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

/* Tipografía */
h1, h2, h3, h4 {
    line-height: 1.2;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: var(--color-primary);
}

/* Utilidades */
.text-center { text-align: center; }
.flex-center { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    flex-wrap: wrap;
    gap: 20px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.section-spacing { padding: var(--section-padding); }
.section-spacing-large { padding: 100px 0; }
.section-spacing-dark { 
    padding: 80px 0; 
    background-color: var(--color-dark);
    color: var(--color-white);
    text-align: center;
}

.full-width { width: 100%; display: block; }