/* =====================================
   ESTILOS BASE - Lurdes Iza
   Tipografía: Helvetica
   ===================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #135a48;
    --secondary-color: #aacc67;
    --accent-color: #023528;
    --text-dark: #023528;
    --text-light: #2f4f46;
    --bg-light: #cee2b1;
    --bg-white: #fef7ec;
    --border-color: #d9e8c5;
}

/* Tipografía Base */
html, body {
    font-family: 'Helvetica', 'Arial', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Helvetica', 'Arial', sans-serif;
    font-weight: bold;
    line-height: 1.3;
    margin-bottom: 15px;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 15px;
    color: var(--text-light);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

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

/* =====================================
   NAVBAR
   ===================================== */

.navbar {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    position: relative;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: block;
    line-height: 0;
}

.site-logo {
    display: block;
    width: 210px;
    height: auto;
    max-height: 90px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    justify-content: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
}

.nav-menu li a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    border-bottom: 2px solid transparent;
    padding-bottom: 5px;
    transition: all 0.3s ease;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Botón hamburguesa */
.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle .bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    margin: 5px 0;
    transition: all 0.25s ease;
}

/* Estado cuando el navbar está abierto */
.navbar.nav-open .nav-toggle .bar:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.navbar.nav-open .nav-toggle .bar:nth-child(2) { opacity: 0; }
.navbar.nav-open .nav-toggle .bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Comportamiento mobile: ocultar menu horizontal y usar botón */
@media (max-width: 768px) {
    .site-logo { width: 175px; }
    .nav-toggle { display: block; }
    .nav-menu {
        display: none;
        width: 100%;
        position: static;
        transform: none;
        margin: 0;
    }
    .navbar.nav-open .nav-menu {
        display: flex;
        flex-direction: column;
        gap: 15px;
        padding: 15px 20px 25px;
        background-color: var(--bg-white);
        border-top: 1px solid var(--border-color);
    }
    .nav-menu li { text-align: center; }
}

/* =====================================
   FOOTER
   ===================================== */

.footer {
    background: linear-gradient(180deg, #dfeec5 0%, #cfe3b5 100%);
    border-top: 1px solid var(--border-color);
    padding: 60px 20px 30px;
    margin-top: 100px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

.footer-section p {
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.social-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--primary-color);
    font-weight: 600;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(2, 53, 40, 0.18);
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.9rem;
    color: var(--text-dark);
}

/* =====================================
   CONTAINER Y LAYOUT
   ===================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

/* =====================================
   BOTONES
   ===================================== */

.cta-button,
.cta-button-large {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
}

.cta-button:hover,
.cta-button-large:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-white);
}

.cta-button-large {
    font-size: 1.1rem;
    padding: 15px 40px;
}

.read-more {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 15px;
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.read-more:hover {
    border-bottom-color: var(--primary-color);
    color: var(--accent-color);
}

/* =====================================
   RESPONSIVO
   ===================================== */

@media (max-width: 768px) {
    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    .navbar-container {
        flex-direction: column;
        gap: 20px;
    }

    .nav-menu {
        gap: 20px;
        margin: 0;
    }

    .nav-menu li a {
        font-size: 0.85rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    section {
        padding: 50px 0;
    }
}

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

    h2 {
        font-size: 1.2rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 10px;
    }

    .cta-button,
    .cta-button-large {
        display: block;
        text-align: center;
        width: 100%;
    }
}