/* ===== VARIABLES CSS ===== */
:root {
    --color-primario: #2C5F7C;
    --color-secundario: #E89E3B;
    --color-acento: #6BA368;
    --color-texto: #2D3748;
    --color-texto-light: #718096;
    --color-fondo: #F7FAFC;
    --color-blanco: #FFFFFF;
    --color-borde: #E2E8F0;
    --font-display: "Helvetica Neue", Arial, sans-serif;
    --font-body: "Helvetica Neue", Arial, sans-serif;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    --container-width: 1140px;
    --transition-main: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ===== RESET BÁSICO ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-texto);
    background-color: var(--color-blanco);
    overflow-x: hidden;
}

/* ===== TIPOGRAFÍA ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--color-primario);
}

h1 { font-size: 3.8rem; font-weight: 800; }
h2 { font-size: 2.5rem; text-align: center; }
h3 { font-size: 1.75rem; color: var(--color-texto); }
h4 { font-size: 1.25rem; color: var(--color-texto); }

p {
    margin-bottom: var(--space-md);
    color: var(--color-texto-light);
    font-size: 1.1rem;
}

a {
    color: var(--color-secundario);
    text-decoration: none;
    transition: var(--transition-main);
}

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

ul, ol { list-style: none; }

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

/* ===== ACCESIBILIDAD ===== */
a:focus-visible, button:focus-visible, 
input:focus-visible, textarea:focus-visible {
    outline: 3px solid var(--color-secundario);
    outline-offset: 2px;
    border-radius: var(--space-xs);
}

/* ===== HEADER Y NAVEGACIÓN ===== */
.site-header {
    background-color: var(--color-blanco);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.site-logo h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--color-primario);
}

.site-logo span {
    font-size: 0.9rem;
    color: var(--color-secundario);
    font-weight: 600;
}

.main-nav ul {
    display: flex;
    gap: var(--space-md);
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav a {
    font-weight: 600;
    color: var(--color-texto);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 5px;
    transition: var(--transition-main);
}

.main-nav a:hover,
.main-nav a.active {
    background-color: var(--color-fondo);
    color: var(--color-primario);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primario);
    margin: 5px 0;
    transition: var(--transition-main);
}

/* ===== FOOTER ===== */
.site-footer {
    background-color: var(--color-primario);
    color: var(--color-blanco);
    padding: var(--space-lg) 0 var(--space-md);
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.footer-section h3 {
    color: var(--color-blanco);
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    margin-bottom: var(--space-xs);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    margin-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
}

/* ===== CLASES REUTILIZABLES ===== */
.container {
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}

.content-section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
}

.bg-light { background-color: var(--color-fondo); }

.section-title { margin-bottom: var(--space-lg); }

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-texto-light);
    text-align: center;
    max-width: 700px;
    margin: -2rem auto var(--space-lg);
}

.grid-layout {
    display: grid;
    gap: var(--space-lg);
}

.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition-main);
    border: none;
}

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

.btn-primary:hover {
    background-color: #d68f34;
    color: var(--color-blanco);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primario);
    border: 2px solid var(--color-primario);
}

.btn-secondary:hover {
    background-color: var(--color-primario);
    color: var(--color-blanco);
}

/* ===== ANIMACIONES ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1023px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.25rem; }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 767px) {
    body { font-size: 0.95rem; }
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.8rem; }
    
    .container {
        padding-left: var(--space-sm);
        padding-right: var(--space-sm);
    }
    
    .header-container {
        flex-wrap: wrap;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        display: none;
        width: 100%;
        order: 3;
        margin-top: var(--space-sm);
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .main-nav a {
        display: block;
        padding: var(--space-sm);
    }
}