/*
Theme Name: CTEL Theme
Theme URI: https://ctel.cl
Author: CTEL Desarrollo
Author URI: https://ctel.cl
Description: Tema personalizado profesional para CTEL - Especialistas en Telecomunicaciones, Radiodifusión y Seguridad
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ctel-theme
Tags: custom-background, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ====================================
   VARIABLES CSS
   ==================================== */
:root {
    /* Colores Principales */
    --ctel-primary: #0066cc;
    --ctel-primary-dark: #004a99;
    --ctel-primary-light: #3385d6;
    --ctel-secondary: #ff6600;
    --ctel-secondary-dark: #cc5200;
    --ctel-secondary-light: #ff8533;
    
    /* Colores Neutros */
    --ctel-dark: #1a1a1a;
    --ctel-gray-900: #2c3e50;
    --ctel-gray-800: #34495e;
    --ctel-gray-700: #4a5f7f;
    --ctel-gray-600: #7f8c8d;
    --ctel-gray-500: #95a5a6;
    --ctel-gray-400: #bdc3c7;
    --ctel-gray-300: #d5dbdb;
    --ctel-gray-200: #ecf0f1;
    --ctel-gray-100: #f8f9fa;
    --ctel-white: #ffffff;
    
    /* Colores de Estado */
    --ctel-success: #27ae60;
    --ctel-info: #3498db;
    --ctel-warning: #f39c12;
    --ctel-danger: #e74c3c;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #0066cc 0%, #004a99 100%);
    --gradient-secondary: linear-gradient(135deg, #ff6600 0%, #cc5200 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #1a1a1a 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
    
    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    --font-mono: 'Courier New', monospace;
    
    /* Tamaños de Fuente */
    --font-xs: 0.75rem;     /* 12px */
    --font-sm: 0.875rem;    /* 14px */
    --font-base: 1rem;      /* 16px */
    --font-lg: 1.125rem;    /* 18px */
    --font-xl: 1.25rem;     /* 20px */
    --font-2xl: 1.5rem;     /* 24px */
    --font-3xl: 1.875rem;   /* 30px */
    --font-4xl: 2.25rem;    /* 36px */
    --font-5xl: 3rem;       /* 48px */
    --font-6xl: 3.75rem;    /* 60px */
    --font-7xl: 4.5rem;     /* 72px */
    
    /* Espaciado */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    --spacing-4xl: 6rem;     /* 96px */
    --spacing-5xl: 8rem;     /* 128px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Transiciones */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 2rem;
    --header-height: 80px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-base);
    line-height: 1.6;
    color: var(--ctel-gray-800);
    background-color: var(--ctel-white);
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

/* ====================================
   TIPOGRAFÍA
   ==================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--ctel-dark);
    margin-bottom: var(--spacing-lg);
}

h1 { font-size: var(--font-5xl); }
h2 { font-size: var(--font-4xl); }
h3 { font-size: var(--font-3xl); }
h4 { font-size: var(--font-2xl); }
h5 { font-size: var(--font-xl); }
h6 { font-size: var(--font-lg); }

@media (max-width: 768px) {
    h1 { font-size: var(--font-4xl); }
    h2 { font-size: var(--font-3xl); }
    h3 { font-size: var(--font-2xl); }
    h4 { font-size: var(--font-xl); }
    h5 { font-size: var(--font-lg); }
    h6 { font-size: var(--font-base); }
}

p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

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

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

strong, b {
    font-weight: 700;
}

em, i {
    font-style: italic;
}

/* ====================================
   LAYOUT
   ==================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.container-fluid {
    max-width: 100%;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-5xl) 0;
    position: relative;
}

.section-sm {
    padding: var(--spacing-4xl) 0;
}

.section-lg {
    padding: calc(var(--spacing-5xl) + 2rem) 0;
}

@media (max-width: 768px) {
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .section-sm {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-lg {
        padding: var(--spacing-4xl) 0;
    }
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    flex: 1;
    padding: 0 15px;
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

@media (max-width: 768px) {
    .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
    .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* ====================================
   HEADER & NAVIGATION
   ==================================== */
.site-header {
    background: var(--ctel-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
    width: 100%;
    overflow-x: hidden;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    min-height: var(--header-height);
    width: 100%;
    max-width: 100%;
}

.site-branding {
    display: flex;
    align-items: center;
}

.custom-logo-link {
    display: inline-block;
}

.custom-logo {
    max-height: 60px;
    width: auto;
    transition: transform var(--transition-fast);
}

.custom-logo:hover {
    transform: scale(1.05);
}

.site-title {
    font-size: var(--font-2xl);
    font-weight: 800;
    margin: 0;
    color: var(--ctel-primary);
}

.site-title a {
    color: inherit;
}

/* Navegación Principal */
.main-navigation {
    display: flex;
    align-items: center;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-lg);
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    color: var(--ctel-gray-800);
    font-weight: 500;
    font-size: var(--font-base);
    padding: var(--spacing-sm) var(--spacing-md);
    display: block;
    transition: all var(--transition-fast);
    position: relative;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--ctel-primary);
    transition: width var(--transition-fast);
}

.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
    width: 80%;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
    color: var(--ctel-primary);
}

/* Submenús */
.main-navigation .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--ctel-white);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-md);
    min-width: 220px;
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.main-navigation li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-navigation .sub-menu li {
    display: block;
}

.main-navigation .sub-menu a {
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--ctel-gray-700);
}

.main-navigation .sub-menu a:hover {
    background: var(--ctel-gray-100);
    color: var(--ctel-primary);
}

/* Botón de menú móvil */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: var(--z-fixed);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--ctel-gray-800);
    margin: 5px 0;
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 992px) {
    .menu-toggle {
        display: block;
    }
    
    .main-navigation {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        max-width: 85vw;
        height: 100vh;
        background: var(--ctel-white);
        box-shadow: var(--shadow-2xl);
        padding: var(--spacing-5xl) var(--spacing-xl);
        transition: right var(--transition-base);
        z-index: 1001;
        overflow-y: auto;
        overflow-x: hidden;
    }
    
    .main-navigation.active {
        right: 0;
    }
    
    .main-navigation::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: -1;
        pointer-events: none;
    }
    
    .main-navigation.active::before {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-navigation li {
        width: 100%;
        border-bottom: 1px solid var(--ctel-gray-200);
    }
    
    .main-navigation a {
        padding: var(--spacing-md) 0;
    }
    
    .main-navigation .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: var(--spacing-lg);
    }
}

/* ====================================
   BOTONES
   ==================================== */
.btn,
.ctel-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-secondary);
    font-size: var(--font-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before,
.ctel-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: width var(--transition-base);
    z-index: -1;
}

.btn:hover::before,
.ctel-button:hover::before {
    width: 100%;
}

/* Variantes de botones */
.btn-primary,
.ctel-button-primary {
    background: var(--gradient-primary);
    color: var(--ctel-white);
}

.btn-primary:hover,
.ctel-button-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--ctel-white);
}

.btn-secondary,
.ctel-button-secondary {
    background: var(--gradient-secondary);
    color: var(--ctel-white);
}

.btn-secondary:hover,
.ctel-button-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--ctel-white);
}

.btn-outline,
.ctel-button-outline {
    background: transparent;
    border-color: var(--ctel-primary);
    color: var(--ctel-primary);
}

.btn-outline:hover,
.ctel-button-outline:hover {
    background: var(--ctel-primary);
    color: var(--ctel-white);
}

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

.btn-white:hover,
.ctel-button-white:hover {
    background: var(--ctel-gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Tamaños de botones */
.btn-small,
.ctel-button-small {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-sm);
}

.btn-large,
.ctel-button-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-lg);
}

.btn-block,
.ctel-button-block {
    display: block;
    width: 100%;
}

/* ====================================
   HERO SECTION
   ==================================== */
.hero-section {
    position: relative;
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-background video,
.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--ctel-white);
    max-width: 900px;
    padding: var(--spacing-2xl);
}

.hero-title {
    font-size: var(--font-6xl);
    font-weight: 900;
    color: var(--ctel-white);
    margin-bottom: var(--spacing-xl);
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: var(--font-xl);
    color: var(--ctel-gray-200);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}

/* Animación de scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.hero-scroll-indicator i {
    font-size: var(--font-2xl);
    color: var(--ctel-white);
    opacity: 0.8;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ====================================
   SECCIONES DE CONTENIDO
   ==================================== */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-4xl);
}

.section-subtitle {
    color: var(--ctel-primary);
    font-weight: 600;
    font-size: var(--font-base);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--font-4xl);
    color: var(--ctel-dark);
    margin-bottom: var(--spacing-lg);
}

.section-description {
    font-size: var(--font-lg);
    color: var(--ctel-gray-600);
    line-height: 1.8;
}

/* ====================================
   CARDS & BOXES
   ==================================== */
.card {
    background: var(--ctel-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: var(--font-xl);
    margin-bottom: var(--spacing-md);
}

.card-content {
    color: var(--ctel-gray-600);
    line-height: 1.7;
}

/* ====================================
   FOOTER
   ==================================== */
.site-footer {
    background: var(--gradient-dark);
    color: var(--ctel-gray-300);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-widget h4 {
    color: var(--ctel-white);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-lg);
}

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

.footer-widget ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-widget a {
    color: var(--ctel-gray-300);
    transition: color var(--transition-fast);
}

.footer-widget a:hover {
    color: var(--ctel-primary-light);
}

.footer-bottom {
    border-top: 1px solid var(--ctel-gray-700);
    padding-top: var(--spacing-xl);
    text-align: center;
}

.footer-copyright {
    font-size: var(--font-sm);
    color: var(--ctel-gray-400);
}

/* ====================================
   UTILIDADES
   ==================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--spacing-xs); }
.pt-2 { padding-top: var(--spacing-sm); }
.pt-3 { padding-top: var(--spacing-md); }
.pt-4 { padding-top: var(--spacing-lg); }
.pt-5 { padding-top: var(--spacing-xl); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--spacing-xs); }
.pb-2 { padding-bottom: var(--spacing-sm); }
.pb-3 { padding-bottom: var(--spacing-md); }
.pb-4 { padding-bottom: var(--spacing-lg); }
.pb-5 { padding-bottom: var(--spacing-xl); }

.bg-primary { background: var(--ctel-primary); }
.bg-secondary { background: var(--ctel-secondary); }
.bg-dark { background: var(--ctel-dark); }
.bg-light { background: var(--ctel-gray-100); }
.bg-white { background: var(--ctel-white); }

.text-primary { color: var(--ctel-primary); }
.text-secondary { color: var(--ctel-secondary); }
.text-dark { color: var(--ctel-dark); }
.text-white { color: var(--ctel-white); }

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }
.gap-5 { gap: var(--spacing-xl); }

/* ====================================
   RESPONSIVE
   ==================================== */
@media (max-width: 576px) {
    :root {
        --container-padding: 1rem;
    }
}

/* ====================================
   PRINT
   ==================================== */
@media print {
    .site-header,
    .site-footer,
    .menu-toggle,
    .hero-scroll-indicator {
        display: none;
    }
    
    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }
}