:root {
    /* Colores */
    --primary-color: #28A745;
    --secondary-color: #17A2B8;
    --background-color: #F8F9FA;
    --footer-bg-color: #343A40;
    --button-color: #28A745;
    --text-color: #343A40;
    --heading-color: #212529;
    --link-color: #17A2B8;
    --accent-color: #FFD700; /* Un toque vibrante para algo específico */

    --section-bg-1: #F8F9FA;
    --section-bg-2: #E8F5E9;
    --section-bg-3: #E1F5FE;
    --section-bg-4: #F1F8E9;
    --section-bg-5: #E0F2F7;
    --section-bg-6: #FFFFFF;

    /* Tipografía */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.7;
    --heading-line-height: 1.2;

    /* Espaciado */
    --spacing-unit: 1rem;
    --padding-sm: calc(var(--spacing-unit) * 1);
    --padding-md: calc(var(--spacing-unit) * 2);
    --padding-lg: calc(var(--spacing-unit) * 4);

    /* Radios de borde */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1.5rem; /* Para botones redondeados */

    /* Sombras */
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.15);

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

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

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

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    color: var(--heading-color);
    line-height: var(--heading-line-height);
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    font-weight: 700;
}

h1 {
    font-size: 3rem;
    letter-spacing: -0.05em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.04em;
}

h3 {
    font-size: 2rem;
    letter-spacing: -0.03em;
}

h4 {
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

p {
    margin-bottom: 1em;
}

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

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

/* Utilidades de espaciado para secciones */
.section-padding {
    padding: var(--padding-lg) var(--padding-md);
}

/* Fondos de sección */
.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); }
.section-bg-5 { background-color: var(--section-bg-5); }
.section-bg-6 { background-color: var(--section-bg-6); }

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: var(--border-radius-lg); /* rounded-full */
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    color: white;
    background: linear-gradient(135deg, var(--button-color) 0%, darken(var(--button-color), 10%) 100%);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease),
                opacity var(--transition-speed) var(--transition-ease);
    -webkit-appearance: none; /* Para consistencia en formularios */
    -moz-appearance: none;
    appearance: none;
}

.btn:hover {
    transform: translateY(-3px) scale(1.02); /* Escala y ligero movimiento */
    box-shadow: var(--shadow-hover);
    opacity: 0.9;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, darken(var(--secondary-color), 10%) 100%);
}

.btn-outline {
    background: transparent;
    color: var(--button-color);
    border: 2px solid var(--button-color);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--button-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

/* Tarjetas (Cards) */
.card {
    background-color: rgba(255, 255, 255, 0.75); /* Ligeramente translúcido */
    backdrop-filter: blur(10px); /* Glassmorphism */
    border-radius: var(--border-radius-md);
    padding: var(--padding-md);
    box-shadow: var(--shadow-glass);
    border: 1px solid rgba(255, 255, 255, 0.18);
    position: relative;
    overflow: hidden; /* Para el border-bottom en hover */
    transition: all var(--transition-speed) var(--transition-ease);
}

.card::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 4px; /* Grosor del borde */
    background-color: transparent;
    transition: background-color var(--transition-speed) var(--transition-ease);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card:hover::after {
    background-color: var(--primary-color); /* Color primario al pasar el ratón */
}

/* Navegación (Header) */
.header-fixed {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(to right, rgba(255,255,255,0.95), rgba(255,255,255,0.85)); /* Gradiente sutil */
    padding: var(--padding-sm) var(--padding-md);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    flex-grow: 1;
    text-align: center; /* Centrado */
}

.header-logo img {
    max-height: 50px; /* Ajusta según necesidad */
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.nav-links li {
    margin: 0 1rem;
}

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

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

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Footer */
.footer {
    background-color: var(--footer-bg-color);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--padding-lg) var(--padding-md);
    font-family: var(--font-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--padding-md);
    max-width: 1200px;
    margin: 0 auto;
}

.footer-column h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.footer-column ul li {
    margin-bottom: 0.7rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-column a:hover {
    color: white;
    text-decoration: underline;
}

.social-icons a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.5rem;
    margin-right: 1rem;
    transition: color var(--transition-speed) var(--transition-ease);
}

.social-icons a:hover {
    color: var(--primary-color); /* Toque de color primario */
}

.footer-bottom {
    text-align: center;
    margin-top: var(--padding-md);
    padding-top: var(--padding-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* Formularios */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--heading-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    color: var(--text-color);
    background-color: #fff;
    transition: all var(--transition-speed) var(--transition-ease);
    box-sizing: border-box; /* Asegura que padding no aumente el ancho */
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(var(--primary-color-rgb), 0.25);
    outline: none;
}

/* Animaciones sutiles */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--transition-ease), transform 0.6s var(--transition-ease);
}

.fade-in-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

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

    .header-fixed {
        flex-direction: column;
        text-align: center;
    }

    .header-logo {
        margin-bottom: 1rem;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
    }

    .nav-links li {
        margin: 0.5rem 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-icons {
        margin-top: 1rem;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }

    .btn {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
    }

    .section-padding {
        padding: var(--padding-md) var(--padding-sm);
    }
}


/* 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;
    }
}