:root {
    /* Colores */
    --color-primary: #28a745;
    --color-secondary: #1e88e5;
    --color-background: #f8f9fa;
    --color-footer-bg: #212529;
    --color-text-dark: #212529;
    --color-text-light: #f8f9fa;
    --color-accent: #28a745; /* Usar el color primario como acento */

    --section-bg-1: #e9ebee;
    --section-bg-2: #ffffff;
    --section-bg-3: #d9edf7;
    --section-bg-4: #fcf8e3;

    /* Tipografía */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-size-base: 1rem; /* 16px */
    --line-height-base: 1.7;

    /* Espaciado */
    --spacing-unit: 1rem;
    --spacing-sm: calc(var(--spacing-unit) * 0.5); /* 8px */
    --spacing-md: calc(var(--spacing-unit) * 1);   /* 16px */
    --spacing-lg: calc(var(--spacing-unit) * 2);   /* 32px */
    --spacing-xl: calc(var(--spacing-unit) * 4);   /* 64px */

    /* Bordes y sombras */
    --border-radius-sm: 0.25rem; /* 4px */
    --border-radius-md: 0.5rem;  /* 8px */
    --border-radius-lg: 1.5rem;  /* 24px */
    --shadow-subtle: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.15);

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

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    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-heading);
    color: var(--color-text-dark);
    line-height: 1.2;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em; /* Ligeramente más ajustado para títulos */
}

h1 { font-size: 3.2rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; }
h3 { font-size: 2rem; font-weight: 600; }
h4 { font-size: 1.5rem; font-weight: 500; }
h5 { font-size: 1.25rem; font-weight: 500; }
h6 { font-size: 1rem; font-weight: 500; }

p {
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-base);
}

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

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

/* Utilities y componentes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg); /* Bordes ligeramente redondeados */
    transition: all var(--transition-speed) var(--transition-timing);
    box-shadow: var(--shadow-subtle);
}

.btn-primary {
    color: var(--color-text-light);
    background-color: var(--color-button);
    border-color: var(--color-button);
}

.btn-primary:hover {
    background-color: darken(var(--color-button), 10%);
    border-color: darken(var(--color-button), 10%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    color: var(--color-primary);
    background-color: transparent;
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    color: var(--color-text-light);
    background-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Secciones de fondo */
.section-bg-1 { background-color: var(--section-bg-1); }
.section-bg-2 { background-color: var(--section-bg-2); }
.section-bg-3 { background-color: var(--section-bg-3); }
.section-bg-4 { background-color: var(--section-bg-4); }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    padding: var(--spacing-md) 0;
    transition: background-color var(--transition-speed) var(--transition-timing),
                box-shadow var(--transition-speed) var(--transition-timing);
}

.header-scrolled {
    background-color: rgba(255, 255, 255, 0.95); /* Blanco ligeramente transparente */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(5px); /* Efecto blur para un toque moderno */
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
}

.header-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.header-nav a {
    color: var(--color-text-dark);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
}

.header-nav a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

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

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

/* Footer */
.footer {
    background-color: var(--color-footer-bg);
    color: var(--color-text-light);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

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

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

/* Imágenes */
.image-treatment {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    position: relative;
}

@keyframes subtle-blur {
    0% { filter: blur(0px); }
    50% { filter: blur(1px); }
    100% { filter: blur(0px); }
}

.image-treatment img {
    width: 100%;
    height: auto;
    display: block;
    filter: brightness(0.95); /* Ligero filtro para integrar */
    transition: filter var(--transition-speed) var(--transition-timing);
    animation: subtle-blur 10s infinite ease-in-out; /* Animación sutil */
}

.image-treatment:hover img {
    filter: brightness(1) saturate(1.1);
}

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

    .header-nav {
        gap: var(--spacing-md);
    }
    .header-logo {
        font-size: 1.5rem;
    }
}

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

    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .header-logo {
        position: static;
        transform: none;
    }
    .header-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}


/* 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;
    }
}