/* ============================================================== */
/* === BASE.CSS: ESTILOS GLOBALES Y COMPARTIDOS POR EL SITIO === */
/* ============================================================== */

/* ==================================== */
/* === 1. VARIABLES GLOBALES / ROOT === */
/* ==================================== */
:root {
    --primary-color: #6eb295; 
    --primary-color-dark: #589b7c; 
    --secondary-color: #6c757d; 
    --text-color: #333; 
    --light-text-color: #666; 
    --dark-text-color: #444; 
    --background-color: #fcfcfc; 
    --dark-background-color: #f0f2f5; 
    --white-background-color: #ffffff; 
    --border-color: #e0e0e0; 
    --heading-font: 'Poppins', sans-serif; 
    --body-font: 'Open Sans', sans-serif; 
    --transition-speed: 0.3s;
    --base-font-size: 13px; 
    --h1-font-size: 3rem;   
    --h2-font-size: 2.2rem; 
    --h3-font-size: 1.3rem; 
    --p-font-size: 1rem;    
}

/* ============================ */
/* === 2. ESTILOS GENERALES === */
/* ============================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth; 
}

body {
    font-family: var(--body-font);
    font-size: var(--base-font-size);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    -webkit-font-smoothing: antialiased; 
    -moz-osx-font-smoothing: grayscale; 
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem; 
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    color: var(--dark-text-color);
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    font-size: var(--p-font-size);
}

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

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

ul {
    list-style: none;
}

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

.text-center {
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, border-color var(--transition-speed) ease;
    border: 2px solid transparent; 
    cursor: pointer;
}

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

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

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

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

.section-intro {
    font-size: 1.1rem;
    color: var(--light-text-color);
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* =========================== */
/* === 3. HEADER (NAVBAR) === */
/* =========================== */
.header {
    background-color: var(--dark-background-color);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo a {
    font-family: var(--heading-font);
    font-size: 1.0rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

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

.main-nav .nav-list {
    display: flex;
    gap: 2rem; 
}

.main-nav .nav-list li a {
    font-family: var(--heading-font);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-speed) ease;
}

.main-nav .nav-list li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed) ease;
}

.main-nav .nav-list li a:hover::after,
.main-nav .nav-list li a.active::after {
    width: 100%;
}

.main-nav .nav-list li a:hover,
.main-nav .nav-list li a.active {
    color: var(--primary-color);
}

.nav-toggle {
    display: none; 
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1100; 
}

.hamburger {
    position: relative;
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color); 
    transition: background-color var(--transition-speed) ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color); 
    position: absolute;
    transition: transform var(--transition-speed) ease;
}

.hamburger::before {
    top: -8px;
}




.hamburger::after {
    bottom: -8px; /* Corrected from your provided file. This makes sure the line below also appears */
    background-color: var(--text-color); 
}

.nav-toggle.active .hamburger::after {
    transform: translateY(-8px) rotate(-45deg);
    background-color: var(--text-color); 
}


/* ======================= */
/* === 8. FOOTER === */
/* ======================= */
.footer {
    background-color: var(--dark-background-color);
    color: var(--light-text-color);
    padding: 2.5rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer .social-links {
    margin-bottom: 1.5rem;
}

.footer .social-links a {
    color: var(--light-text-color);
    font-size: 1.5rem;
    margin: 0 0.8rem;
    transition: color var(--transition-speed) ease;
}

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

.footer p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ================================ */
/* === 9. ANIMACIONES GLOBALES === */
/* ================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px); 
    transition: opacity 0.8s ease-out, transform 0.8s ease-out; 
    will-change: opacity, transform; 
}

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

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }
.animate-on-scroll.delay-6 { transition-delay: 0.6s; }


/* ========================================================== */
/* === 10. MEDIA QUERIES (RESPONSIVE GENERALES y DE NAVEGACIÓN) === */
/* ========================================================== */
@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%; 
        width: 75%; 
        height: 100%; 
        background-color: var(--dark-background-color); 
        display: flex;
        flex-direction: column; 
        align-items: center; 
        transition: right var(--transition-speed) ease;
        padding-top: 6rem; 
        padding-bottom: 2rem; 
        z-index: 999;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    }

    .main-nav.active {
        right: 0; 
    }

    .nav-toggle {
        display: block; 
        position: absolute; 
        top: 1.5rem; 
        right: 1.5rem; 
        z-index: 1000; 
    }

    .nav-toggle.active .hamburger {
        background-color: transparent; 
    }

    .nav-toggle.active .hamburger::before {
        transform: translateY(8px) rotate(45deg);
        background-color: var(--text-color); 
    }

    .nav-toggle.active .hamburger::after {
        transform: translateY(-8px) rotate(-45deg);
        background-color: var(--text-color); 
    }

    .main-nav .nav-list {
        display: flex;
        flex-direction: column; 
        gap: 0.8rem; 
        width: 100%; 
        text-align: center; 
    }

    .main-nav .nav-list li {
        width: 100%; 
    }

    .main-nav .nav-list li a {
        font-size: 0.8rem; 
        font-weight: 600; 
        color: var(--text-color); 
        padding: 0.6rem 0; 
        display: block; 
        transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
    }

    .main-nav .nav-list li a:hover,
    .main-nav .nav-list li a.active {
        background-color: var(--primary-color-dark); 
        color: var(--white-background-color); 
        border-radius: 5px;
    }

    .main-nav .nav-list li a::after {
        content: none; 
    }

    .logo a {
        font-size: 1.0rem; 
    }
}