:root {
    /* Colores */
    --primary-color: #285F54;
    --secondary-color: #6DD7B7;
    --accent-color: #2BBF8B;
    --background-color: #F0FDF4;
    --footer-bg-color: #1A473D;
    --text-color-dark: #285F54;
    --text-color-light: #F0FDF4;
    --section-bg-1: #FFFFFF;
    --section-bg-2: #F8FCEF;
    --section-bg-3: #E6FAF0;
    --section-bg-4: #EDF8EE;

    /* Tipografía */
    --heading-font: 'Poppins', sans-serif;
    --body-font: 'Roboto', sans-serif;
    --base-font-size: 1rem; /* 16px */
    --line-height-body: 1.7;
    --line-height-heading: 1.2;

    /* Espaciado y Bordes */
    --spacing-unit: 1rem;
    --border-radius-sm: 0.5rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1rem;

    /* Sombras */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    line-height: var(--line-height-heading);
    color: var(--primary-color);
    margin-bottom: var(--spacing-unit);
    letter-spacing: -0.025em; /* Ligeramente más ajustado para headings */
}

h1 { font-size: 3.5rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; }
h3 { font-size: 1.75rem; font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 500; }
h5 { font-size: 1.125rem; font-weight: 500; }
h6 { font-size: 1rem; font-weight: 500; }

p {
    margin-bottom: var(--spacing-unit);
}

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

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

/* Header Specific Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.8); /* Fondo ligeramente transparente */
    backdrop-filter: blur(5px); /* Glassmorphism effect */
    -webkit-backdrop-filter: blur(5px);
    transition: background-color var(--transition-speed) var(--transition-timing), backdrop-filter var(--transition-speed) var(--transition-timing);
    box-shadow: var(--shadow-sm);
}

.header.scrolled {
    background-color: var(--background-color); /* Se vuelve sólido al hacer scroll */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 2);
}

.header-logo {
    font-family: var(--heading-font);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.navbar-nav {
    display: flex;
    gap: calc(var(--spacing-unit) * 1.5);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-family: var(--heading-font);
    font-weight: 500;
    color: var(--text-color-dark);
    padding: 0.5rem 0.75rem;
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
    transform: translateX(-100%);
    transition: transform var(--transition-speed) var(--transition-timing);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(0);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border: none;
    border-radius: var(--border-radius-md); /* Suavemente redondeado */
    font-family: var(--heading-font);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-timing);
    text-align: center;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-color-light);
    box-shadow: 0 8px 15px rgba(43, 191, 139, 0.3); /* Sombra más prominente */
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02); /* 'Pop' animation */
    box-shadow: 0 12px 20px rgba(43, 191, 139, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 50%, rgba(255,255,255,0.2) 100%);
    opacity: 0;
    transition: opacity var(--transition-speed) var(--transition-timing);
    z-index: -1;
}

.btn-primary:hover::before {
    opacity: 1;
}


.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-color-dark);
    box-shadow: var(--shadow-sm);
}

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

/* Section Backgrounds */
.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); }

/* Footer */
.footer {
    background-color: var(--footer-bg-color);
    color: var(--text-color-light);
    padding: calc(var(--spacing-unit) * 4) calc(var(--spacing-unit) * 2);
    font-size: 0.9rem;
}

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

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

.footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-col h4 {
    color: var(--text-color-light);
    margin-bottom: var(--spacing-unit);
    font-size: 1.1rem;
    font-weight: 600;
}

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

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: var(--spacing-unit);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color-light);
    transition: background-color var(--transition-speed) var(--transition-timing), transform var(--transition-speed) var(--transition-timing);
}

.social-links a:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-unit);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: calc(var(--spacing-unit) * 2);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Utilidades para Tailwind (complemento) */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-unit);
    padding-right: var(--spacing-unit);
}

.py-12 { padding-top: calc(var(--spacing-unit) * 3); padding-bottom: calc(var(--spacing-unit) * 3); }
.py-16 { padding-top: calc(var(--spacing-unit) * 4); padding-bottom: calc(var(--spacing-unit) * 4); }
.py-24 { padding-top: calc(var(--spacing-unit) * 6); padding-bottom: calc(var(--spacing-unit) * 6); }

/* Animation on Scroll (AOS) - Example basic setup, actual AOS handles classes */
[data-aos="fade-up"] {
    transform: translateY(20px);
    opacity: 0;
    transition-property: transform, opacity;
}
[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
    opacity: 1;
}

[data-aos="fade-in"] {
    opacity: 0;
    transition-property: opacity;
}
[data-aos="fade-in"].aos-animate {
    opacity: 1;
}

/* Card Hover Effects */
.card-hover-effect {
    transition: transform var(--transition-speed) var(--transition-timing), box-shadow var(--transition-speed) var(--transition-timing);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background-color: var(--section-bg-1);
    box-shadow: var(--shadow-sm);
}

.card-hover-effect:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: var(--shadow-lg);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

    .header .container {
        flex-direction: column;
        gap: var(--spacing-unit);
        padding: var(--spacing-unit);
    }

    .navbar-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-unit);
    }

    .btn {
        width: 100%;
        padding: 0.8rem 1rem;
    }

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

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

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
}


/* 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;
    }
}