:root {
    /* Colores */
    --color-primary: #3A73B6;
    --color-secondary: #76B041;
    --color-background: #F8F8F8;
    --color-footer-bg: #2C3E50;
    --color-button: #3A73B6;
    --color-text-dark: #333333;
    --color-text-light: #F8F8F8;
    --color-section-bg-1: #FFFFFF;
    --color-section-bg-2: #F1F5F9;
    --color-section-bg-3: #E0E7EB;
    --color-accent: #3A73B6; /* Usar el primario como acento */

    /* Tipografía */
    --font-family-heading: 'Roboto', sans-serif;
    --font-family-body: 'Open Sans', sans-serif;
    --font-size-base: 1rem; /* 16px */
    --line-height-body: 1.75;
    --line-height-heading: 1.2;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;

    /* Bordes y Sombras */
    --border-radius-sm: 0.5rem; /* rounded-lg */
    --border-radius-md: 1rem;
    --border-radius-lg: 9999px; /* rounded-full */
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.08); /* Sombra suave */
    --shadow-button: 0 6px 15px rgba(58, 115, 182, 0.3); /* Sombra para botón */
    --shadow-button-hover: 0 8px 20px rgba(58, 115, 182, 0.45);

    /* Transiciones */
    --transition-speed: 0.3s;
    --transition-ease: ease-in-out;
}

/* Base global styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-body);
    color: var(--color-text-dark);
    background-color: var(--color-background);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    color: var(--color-text-dark);
    line-height: var(--line-height-heading);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em; /* Ligero ajuste para modernidad */
}

h1 { font-size: 3.5rem; } /* 56px */
h2 { font-size: 2.75rem; } /* 44px */
h3 { font-size: 2rem; } /* 32px */
h4 { font-size: 1.5rem; } /* 24px */
h5 { font-size: 1.25rem; } /* 20px */
h6 { font-size: 1rem; } /* 16px */

p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease);
}

a:hover {
    color: var(--color-secondary);
}

/* Secciones de fondo */
.section-bg-1 {
    background-color: var(--color-section-bg-1);
}

.section-bg-2 {
    background-color: var(--color-section-bg-2);
}

.section-bg-3 {
    background-color: var(--color-section-bg-3);
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(to right, rgba(255,255,255,0.95), rgba(255,255,255,0.85));
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0,0,0,0.05); /* Sutil línea divisoria */
}

.header .logo {
    flex-grow: 1;
    text-align: center; /* Logotipo central */
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.header .nav {
    display: flex;
    gap: var(--spacing-md);
    margin-left: auto; /* Navegación a la derecha */
}

.header .nav-link {
    font-family: var(--font-family-heading);
    font-weight: 500;
    color: var(--color-text-dark);
    position: relative;
    padding-bottom: 5px; /* Espacio para el subrayado */
}

.header .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-speed) var(--transition-ease);
}

.header .nav-link:hover::after {
    width: 100%;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family-heading);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-align: center;
    white-space: nowrap;
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius-sm); /* rounded-lg */
    background-color: var(--color-button);
    color: var(--color-text-light);
    box-shadow: var(--shadow-button);
    transition: all var(--transition-speed) var(--transition-ease);
    gap: var(--spacing-xs);
}

.btn:hover {
    background: linear-gradient(135deg, var(--color-button) 0%, rgba(58, 115, 182, 0.8) 100%); /* Gradiente sutil */
    box-shadow: var(--shadow-button-hover);
    transform: translateY(-2px);
}

.btn-icon-left {
    display: inline-flex;
    align-items: center;
}

.btn-icon-left svg {
    margin-right: var(--spacing-xs);
}

/* Cards */
.card {
    background-color: var(--color-section-bg-1);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-soft);
    padding: var(--spacing-lg);
    transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

/* Formularios */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid #ccc;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    transition: border-color var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(58, 115, 182, 0.2);
}

/* Footer */
.footer {
    background-color: var(--color-footer-bg);
    color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-lg);
    font-family: var(--font-family-body);
    position: relative;
    overflow: hidden; /* Para contener la textura */
}

/* Textura sutil de papel granulado/lino */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;base64,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');
    background-size: 100px 100px;
    opacity: 0.1;
    pointer-events: none;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--spacing-lg);
}

.footer-column {
    flex: 1;
    min-width: 200px; /* Asegura que las columnas no sean demasiado estrechas */
}

.footer-column h4 {
    color: var(--color-text-light);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    font-size: 1.15rem;
    letter-spacing: 0.05em;
}

.footer-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav li {
    margin-bottom: var(--spacing-xs);
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300; /* Fuente ligera */
    transition: color var(--transition-speed) var(--transition-ease);
}

.footer-nav a:hover {
    color: var(--color-secondary);
}

.footer-contact p,
.footer-social p {
    font-weight: 300;
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.7);
}

.footer-social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social-links a {
    color: var(--color-text-light);
    font-size: 1.5rem;
    transition: color var(--transition-speed) var(--transition-ease);
}

.footer-social-links a:hover {
    color: var(--color-secondary);
}

.footer-copyright {
    text-align: center;
    margin-top: var(--spacing-xl);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 300; /* Fuente ligera */
}

/* Media Queries para responsividad */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }

    .header {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-sm);
    }

    .header .logo {
        position: static;
        transform: none;
        text-align: left;
        margin-bottom: var(--spacing-sm);
    }

    .header .nav {
        margin-left: 0;
        width: 100%;
        justify-content: space-around;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-column {
        margin-bottom: var(--spacing-lg);
        width: 100%;
        min-width: unset;
    }

    .footer-column h4 {
        margin-bottom: var(--spacing-md);
    }

    .footer-nav ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }

    .footer-nav li {
        margin-bottom: 0;
    }

    .footer-social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}