/* ==========================================================================
   IMFOCA - SISTEMA DE DISEÑO Y ESTILOS GLOBALES
   ========================================================================== */

/* 1. VARIABLES Y TOKENS DE DISEÑO */
:root {
    --primary: #8A5D3C;
    --primary-light: #A77B58;
    --primary-dark: #6E4425;
    --accent: #C5A880;
    --bg-light: #FDFBF7;
    --bg-card: #FFFFFF;
    --bg-dark: #1E1713;
    --text-dark: #2C221E;
    --text-light: #8A7E78;
    --text-white: #FFFFFF;
    --border-color: #EAE3D9;
    
    --font-heading: 'Jost', sans-serif;
    --font-body: 'Roboto', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.2s ease;
    
    --shadow-sm: 0 2px 8px rgba(44, 34, 30, 0.05);
    --shadow-md: 0 8px 24px rgba(44, 34, 30, 0.08);
    --shadow-lg: 0 16px 36px rgba(44, 34, 30, 0.12);
    
    --border-radius-sm: 4px;
    --border-radius-md: 12px;
    --border-radius-lg: 24px;
    
    --max-width: 1200px;
}

/* 2. RESET Y CONFIGURACIÓN BÁSICA */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-dark);
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; color: var(--text-light); }

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* 3. ESTRUCTURA Y MAQUETACIÓN GLOBAL */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--accent);
    margin: 0.5rem auto 0;
    border-radius: 2px;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 1px;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    text-transform: uppercase;
}

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

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--text-white);
    color: var(--text-white);
}

.btn-outline:hover {
    background-color: var(--text-white);
    color: var(--primary);
    transform: translateY(-2px);
}

/* 4. CABECERA (HEADER) */
.top-bar {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-size: 0.875rem;
    padding: 0.5rem 0;
}

.top-bar .container {
    display: flex;
    justify-content: flex-end;
    gap: 2rem;
}

.top-bar a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.85;
}

.top-bar a:hover {
    opacity: 1;
    color: var(--accent);
}

.main-header {
    background-color: var(--bg-card);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    font-family: var(--font-heading);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition-fast);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* 5. PIE DE PÁGINA (FOOTER) */
.main-footer {
    background-color: var(--bg-dark);
    color: var(--text-white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-info img {
    height: 45px;
    margin-bottom: 1.5rem;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    text-transform: uppercase;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-icon:hover {
    background-color: var(--primary);
    color: var(--text-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

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

/* 6. BOTÓN FLOTANTE DE WHATSAPP */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    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);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #20BA5A;
}

/* 7. RESPONSIVIDAD GENERAL */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-info {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }
    
    .top-bar {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-card);
        flex-direction: column;
        gap: 0;
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
    }
    
    .nav-menu.active {
        max-height: 350px;
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu a::after {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-info {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
   
}