/* Variables de Color - AJUSTA AQUÍ LOS COLORES DE INSTAGRAM */
:root {
    --primary-color: #2E8B57; /* Verde "Renova" (ejemplo: SeaGreen) */
    --secondary-color: #20B2AA; /* Verde agua claro */
    --accent-color: #E0F2F1; /* Fondo muy claro */
    --text-dark: #333333;
    --text-light: #777777;
    --white: #ffffff;
    --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #f9f9f9;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }

/* Utilitarios */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
}

.btn-primary { background: var(--primary-color); color: var(--white); }
.btn-primary:hover { background: #246d44; }

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

/* Header */
.top-bar {
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.9rem;
}
.contact-info a { margin-right: 20px; color: var(--white); }
.contact-info i { margin-right: 5px; }

.main-header { background: var(--white); box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 15px;
}
.logo h1 { font-size: 1.8rem; color: var(--text-dark); }
.logo .highlight { color: var(--primary-color); }

.main-nav ul { display: flex; gap: 30px; }
.main-nav a { font-weight: 500; color: var(--text-dark); }
.main-nav a:hover, .main-nav a.active { color: var(--primary-color); }
.mobile-menu-icon { display: none; cursor: pointer; font-size: 1.5rem; }

/* Hero */
.hero {
    background: linear-gradient(rgba(46, 139, 87, 0.1), rgba(46, 139, 87, 0.1)), url('https://via.placeholder.com/1920x600?text=Renova+Banner') no-repeat center center/cover;
    padding: 100px 0;
    text-align: center;
}
.hero h2 { font-size: 3rem; margin-bottom: 20px; color: var(--primary-color); }
.hero p { font-size: 1.2rem; margin-bottom: 30px; color: var(--text-dark); }

/* Secciones Generales */
section { padding: 60px 0; }
.section-title { text-align: center; font-size: 2.2rem; margin-bottom: 10px; color: var(--primary-color); }
.section-subtitle { text-align: center; margin-bottom: 50px; color: var(--text-light); }

/* Programa Renova */
.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    text-align: center;
}
.program-item {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.program-item h3 { margin-bottom: 15px; color: var(--primary-color); }

/* Equipo Preview */
.team-preview {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.team-card-preview { text-align: center; }
.fake-img {
    width: 200px;
    height: 200px;
    background: #ddd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #666;
}
.center-btn { text-align: center; }

/* Footer */
footer { background: #222; color: #ccc; padding-top: 50px; }
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    padding-bottom: 50px;
}
.footer-col h3 { color: var(--white); margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a:hover { color: var(--primary-color); }
.bottom-bar {
    background: #111;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* WhatsApp Widget */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    cursor: pointer;
    z-index: 1000;
    transition: transform 0.3s;
}
.whatsapp-btn:hover { transform: scale(1.1); }

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
}
.modal-content {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    width: 90%;
    max-width: 400px;
    position: relative;
}
.close-modal {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
}
.captcha-container { margin: 20px 0; }
.btn-whatsapp {
    background: #25D366;
    color: white;
    border: none;
    width: 100%;
}
.btn-whatsapp:disabled { background: #ccc; cursor: not-allowed; }

/* Formularios */
.form-group { margin-bottom: 20px; text-align: left; }
.form-group label { display: block; margin-bottom: 8px; font-weight: bold; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: inherit;
}

/* Responsivo */
@media (max-width: 768px) {
    .main-nav { display: none; } /* En una versión real agregarías toggle JS */
    .hero h2 { font-size: 2rem; }
    .mobile-menu-icon { display: block; }
}