/* =========================================
   VARIABLES Y CONFIGURACIÓN BASE
   ========================================= */
   :root {
    --color-primary: #1240AB; /* Azul NexoSur */
    --color-accent: #7DB928; /* Verde NexoSur */
    --color-dark: #0a192f;
    --color-darker: #060f1c;
    --color-light: #f8f9fa;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-muted: #666666;
    --color-border: #e0e0e0;
    
    --font-main: 'Inter', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 24px rgba(0,0,0,0.15);
    --shadow-hover: 0 15px 30px rgba(18, 64, 171, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-white { color: var(--color-white); }
.text-muted { color: var(--color-text-muted); font-size: 0.9em; }
.text-bold { font-weight: 700; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.mb-5 { margin-bottom: 3rem; }
.w-100 { width: 100%; }

/* =========================================
   BOTONES
   ========================================= */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: #0d3082;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-accent:hover {
    background-color: #6a9c22;
    transform: translateY(-2px);
}

.btn-outline-light {
    background-color: transparent;
    border-color: var(--color-white);
    color: var(--color-white);
}

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

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

.btn-light:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
}

/* =========================================
   HEADER & NAVEGACIÓN
   ========================================= */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: padding var(--transition-normal);
}

header.scrolled {
    padding: 0.5rem 0;
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-placeholder {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.logo-text { color: var(--color-primary); }
.logo-accent { color: var(--color-accent); font-weight: 700; }

.desktop-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.dropdown {
    position: relative;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-primary);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background-color: var(--color-dark);
    /* Imagen generada por IA que ubicaremos después en JS/HTML o aquí: */
    background-image: url('../assets/hero_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-white);
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 25, 47, 0.9) 0%, rgba(18, 64, 171, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 3rem 0;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-weight: 300;
    font-size: 2.5rem;
}

.hero-highlight {
    color: #4db8ff; /* Azul luminoso */
    font-size: 4.5rem;
    font-weight: 800;
    text-shadow: 0 0 20px rgba(77, 184, 255, 0.5);
}

.hero-subtext {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 2px;
}

.hero-bold {
    font-size: 2.5rem;
    font-weight: 800;
}

.hero-description {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* =========================================
   NOSOTROS
   ========================================= */
.about-section {
    padding: 6rem 0;
    background-color: var(--color-white);
}

.section-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 3rem;
}

.lead-text {
    font-size: 1.5rem;
    color: var(--color-primary);
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.body-text {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--color-text);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.mv-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.mv-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* =========================================
   SOLUCIONES (TEAMVIEWER)
   ========================================= */
.solutions-section {
    padding: 6rem 0;
    background-color: var(--color-light);
}

.solutions-hero {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    background-color: var(--color-white);
}

.solutions-hero-img-container {
    height: 400px;
    width: 100%;
    background-image: url('../assets/teamviewer_banner.png');
    background-size: cover;
    background-position: center;
}

.solutions-hero-text {
    padding: 2rem;
    background: linear-gradient(to right, #ffffff, #f0f7ff);
}

.solutions-title {
    font-size: 2.5rem;
    color: var(--color-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.pricing-card {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.premium-card {
    background: linear-gradient(135deg, #1852c9, #1240ab);
    color: var(--color-white);
}

.corporate-card {
    background: linear-gradient(135deg, #0a2569, #061845);
    color: var(--color-white);
}

.card-header {
    padding: 2.5rem 2rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.plan-title {
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.plan-icon {
    color: var(--color-accent);
}

.plan-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}

.card-body {
    padding: 2rem;
    flex-grow: 1;
}

.plan-desc {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.feature-list li {
    padding: 0.8rem 0;
    border-bottom: 1px dashed rgba(255,255,255,0.2);
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.feature-list li:last-child {
    border-bottom: none;
}

.card-footer {
    padding: 2rem;
    background-color: rgba(0,0,0,0.1);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    background-color: var(--color-darker);
    color: var(--color-white);
    padding: 4rem 0 1rem;
}

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

.footer-desc {
    color: #999;
}

.footer-links h4, .footer-contact h4 {
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #666;
    font-size: 0.9rem;
}

/* =========================================
   ANIMACIONES
   ========================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================================
   RESPONSIVO
   ========================================= */
@media (max-width: 992px) {
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none; /* Simplificado para landing rápida. Implementaremos menú js */
    }
    
    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.8rem;
    }

    .hero-highlight {
        font-size: 3rem;
    }

    .hero-actions {
        flex-direction: column;
    }

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