/* ========================================
   C&C COMUNICACIONES ESTRATÉGICAS
   CSS MASTER - VERSION OPTIMIZADA
   Diseño: Experto UX/UI Mundial
   ✅ CORREGIDO: Header oscuro + Menú móvil
   ======================================== */

/* ========== VARIABLES CSS (Design Tokens) ========== */
:root {
    /* Colores Primarios */
    --primary: #FFEA2A;
    --primary-dark: #C7B700;
    --primary-light: #FFF29E;
    
    /* Colores Secundarios */
    --secondary: #006D7F;
    --secondary-light: #00948B;
    --secondary-dark: #004D5C;
    
    /* Colores de Acento */
    --accent: #91D754;
    --accent-dark: #6FB739;
    
    /* Colores Neutros */
    --dark: #1a1a1a;
    --dark-soft: #2F4858;
    --text: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --light: #FDF9EC;
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    
    /* ✅ NUEVO: Color del header */
    --header-bg: #050814;
    
    /* Gradientes Mejorados */
    --gradient-primary: linear-gradient(135deg, #FFEA2A 0%, #ffd700 100%);
    --gradient-secondary: linear-gradient(135deg, #006D7F 0%, #00948B 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(0,109,127,0.95) 0%, rgba(47,72,88,0.98) 100%);
    
    /* Sistema de Espaciado (8pt grid) */
    --spacing-xs: 0.5rem;    /* 8px */
    --spacing-sm: 1rem;      /* 16px */
    --spacing-md: 1.5rem;    /* 24px */
    --spacing-lg: 2rem;      /* 32px */
    --spacing-xl: 3rem;      /* 48px */
    --spacing-2xl: 4rem;     /* 64px */
    --spacing-3xl: 6rem;     /* 96px */
    --spacing-4xl: 8rem;     /* 128px */
    
    /* Sistema Tipográfico (Escala Modular 1.250) */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 2rem;      /* 32px */
    --font-size-4xl: 2.5rem;    /* 40px */
    --font-size-5xl: 3rem;      /* 48px */
    --font-size-6xl: 4rem;      /* 64px */
    
    /* Pesos de Fuente */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-base: 1.6;
    --line-height-relaxed: 1.8;
    
    /* Sombras Mejoradas */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 30px 60px rgba(0, 0, 0, 0.2);
    
    /* Bordes Redondeados */
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --border-radius-2xl: 30px;
    --border-radius-full: 50px;
    --border-radius-circle: 50%;
    
    /* Transiciones */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-index System */
    --z-base: 1;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Contenedores */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1400px;
}

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

/* ========== BASE ========== */
html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text);
    background: var(--white);
    overflow-x: hidden;
    min-height: 100vh;
}

/* ========== ELEMENTOS BASE ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-black);
    line-height: var(--line-height-tight);
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

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

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

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========== UTILIDADES ========== */
.container {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Resaltado global para palabras clave en títulos (H1, H2, etc.) */
.gradient-text {
    display: inline-block;
    padding: 0.12em 0.45em;
    border-radius: 999px;
    
    background: linear-gradient(90deg, #ffea2a, #ffd65a);
    color: #0f172a; /* texto oscuro, alto contraste */
    
    font-weight: 800;
    box-decoration-break: clone;
}

/* ========== HEADER ========== */
/* ✅ CORREGIDO: Fondo oscuro en lugar de blanco */
.header {
    background: var(--header-bg);
    background-color: #050814;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
    border-bottom: 3px solid var(--primary);
    transition: all var(--transition-base);
}

.header--scrolled {
    box-shadow: var(--shadow-xl);
}

.nav {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav__logo {
    display: flex;
    align-items: center;
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.nav__logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    height: 70px;
    width: auto;
}

.nav__menu {
    display: none;
}

.nav__list {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
    align-items: center;
}

/* ✅ CORREGIDO: Texto claro sobre fondo oscuro */
.nav__link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav__link:hover,
.nav__link.active {
    color: #ffffff;
}

/* Enlace PLANES en el header: pastilla amarilla con buen contraste */
.nav__link--planes {
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    background: var(--primary);
    color: #0f172a; /* texto oscuro para mejor contraste */
    font-weight: var(--font-weight-bold);
    box-shadow: 0 4px 15px rgba(0,0,0,0.12);
}

/* Quitamos la línea inferior animada del subrayado para este enlace */
.nav__link--planes::after {
    display: none;
}

/* Hover de PLANES */
.nav__link--planes:hover {
    background: #ffd700; /* un poco más intenso */
    transform: translateY(-1px);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

/* ✅ CORREGIDO: CTA verde sobre header oscuro */
.nav__cta {
    background: var(--accent);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-full);
    font-weight: var(--font-weight-bold);
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(145, 215, 84, 0.3);
}

.nav__cta::after {
    display: none;
}

.nav__cta:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(145, 215, 84, 0.4);
}

/* ✅ CORREGIDO: Botón hamburguesa blanco */
.nav__toggle {
    display: block;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: #ffffff;
    padding: var(--spacing-xs);
    transition: var(--transition-base);
}

.nav__toggle:hover {
    color: var(--primary);
}

/* ✅ CORREGIDO: Menú móvil con fondo oscuro */
.nav__menu.show-menu {
    display: block;
    position: fixed;
    top: 85px;
    left: 0;
    right: 0;
    background: #050814;
    padding: var(--spacing-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    max-height: calc(100vh - 85px);
    overflow-y: auto;
    z-index: 999;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ✅ NUEVO: Links en menú móvil siempre blancos */
.nav__menu.show-menu .nav__link {
    color: #ffffff;
    font-size: 1.1rem;
    padding: 0.75rem 0;
    display: block;
}

.nav__menu.show-menu .nav__link:hover,
.nav__menu.show-menu .nav__link.active {
    color: var(--primary);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    text-align: center;
}

.btn--primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 15px rgba(145, 215, 84, 0.3);
}

.btn--primary:hover {
    background: var(--accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(145, 215, 84, 0.4);
}

.btn--secondary {
    background: var(--primary);
    color: var(--dark);
    box-shadow: 0 4px 15px rgba(255, 234, 42, 0.3);
}

.btn--secondary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 234, 42, 0.4);
}

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

.btn--outline:hover {
    background: var(--secondary);
    color: white;
}

/* ========== SECTIONS ========== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section--dark {
    background: var(--dark);
    color: white;
}

.section--light {
    background: var(--light);
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section__title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: var(--font-weight-black);
    color: var(--dark);
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

.section--dark .section__title {
    color: white;
}

.section__subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.section--dark .section__subtitle {
    color: rgba(255,255,255,0.8);
}

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

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    border-top: 5px solid var(--primary);
}

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

.footer__logo-img {
    height: 80px;
    width: auto;
    filter: brightness(1.3);
    margin-bottom: var(--spacing-md);
}

.footer__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.footer__description {
    color: rgba(255,255,255,0.8);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
}

.footer__social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer__social-link {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--border-radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-base);
    font-size: var(--font-size-lg);
}

.footer__social-link:hover {
    background: var(--primary);
    color: var(--dark);
    transform: translateY(-5px);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__links a {
    color: rgba(255,255,255,0.8);
    transition: var(--transition-base);
}

.footer__links a:hover {
    color: var(--primary);
    padding-left: var(--spacing-xs);
}

.footer__contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255,255,255,0.8);
}

.footer__contact i {
    color: var(--primary);
    font-size: var(--font-size-lg);
}

.footer__contact a {
    color: rgba(255,255,255,0.8);
    transition: var(--transition-base);
}

.footer__contact a:hover {
    color: var(--primary);
}

.footer__bottom {
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.footer__bottom p {
    margin: 0;
}

.footer__legal {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer__legal a:hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .footer__bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer__legal {
        flex-wrap: wrap;
    }
}

/* ========== FLOATING WHATSAPP ========== */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: var(--border-radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-3xl);
    box-shadow: 0 4px 15px rgba(37,211,102,0.4);
    z-index: var(--z-popover);
    transition: all var(--transition-base);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 8px 25px rgba(37,211,102,0.6);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-slide-up {
    animation: fadeInUp 1s ease-out 0.3s forwards;
    opacity: 0;
}

.animate-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-item.show {
    opacity: 1;
    transform: translateY(0);
}

/* ========== ACCESIBILIDAD ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========== RESPONSIVE ========== */
@media (min-width: 992px) {
    .nav__menu {
        display: block;
        position: static;
        background: none;
        box-shadow: none;
        padding: 0;
    }
    
    .nav__toggle {
        display: none;
    }
    
    .nav__list {
        flex-direction: row;
    }
}

/* ✅ CORREGIDO: Menú móvil en tablets y móviles */
@media (max-width: 991px) {
    .nav__menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: #050814;
        padding: 1.5rem;
        z-index: 9999;
        overflow-y: auto;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav__menu.show-menu {
        display: block;
    }
    
    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .nav__link {
        color: #ffffff;
        font-size: 1.1rem;
        padding: 0.75rem 0;
        display: block;
        width: 100%;
    }
    
    .nav__link:hover,
    .nav__link.active {
        color: var(--primary);
    }
    
    .nav__toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        color: #ffffff;
    }
    
    /* Buscador en móvil */
    .nav__search-form {
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.2);
        width: 100%;
        max-width: 100%;
        margin-top: 1rem;
    }
    
    .nav__search-input {
        color: #ffffff;
        background: transparent;
    }
    
    .nav__search-input::placeholder {
        color: rgba(255, 255, 255, 0.6);
    }
    
    /* CTA en móvil */
    .nav__cta {
        text-align: center;
        width: 100%;
        margin-top: 1rem;
    }
}

@media (max-width: 767px) {
    :root {
        --spacing-3xl: 4rem;
        --spacing-4xl: 5rem;
    }
    
    .logo-icon {
        height: 50px;
    }

    .footer__logo-img {
        height: 60px;
    }

    .hero {
        min-height: 90vh;
        padding: calc(85px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: var(--font-size-2xl);
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    h1 { font-size: var(--font-size-4xl); }
    h2 { font-size: var(--font-size-3xl); }
}

/* ========== PRINT STYLES ========== */
@media print {
    .header,
    .footer,
    .whatsapp-float,
    .nav__toggle {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .section {
        page-break-inside: avoid;
    }
}

/* ========== FIN DEL CSS MASTER ========== */