/* ============================================
   VARIABLES Y COLORES GLOBALES
   ============================================ */
:root {
    /* Colores principales */
    --primary-dark: #0f1419;        /* Azul oscuro/Negro principal */
    --primary-blue: #1a2332;        /* Azul oscuro secundario */
    --secondary-gray: #2a2f39;      /* Gris oscuro */
    --accent-green: #00ff88;        /* Verde neón */
    --accent-cyan: #00d4ff;         /* Cyan neón */
    --text-light: #e0e0e0;          /* Texto claro */
    --text-muted: #a0a0a0;          /* Texto muted */
    --danger: #ff6b6b;              /* Rojo peligro */
    --warning: #ffd700;             /* Amarillo advertencia */
    --success: #51cf66;             /* Verde éxito */
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Tipografía */
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-mono: 'Courier New', monospace;
    
    /* Transiciones */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
}

/* ============================================
   RESET Y ESTILOS GLOBALES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* Scroll bar personalizado */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-green);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* ============================================
   UTILITARIOS
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.section-description {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: var(--spacing-2xl);
    font-size: 1.1rem;
}

.hidden {
    display: none !important;
}

/* ============================================
   NAVBAR / HEADER
   ============================================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(180deg, var(--primary-dark) 0%, rgba(15, 20, 25, 0.95) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
    padding: var(--spacing-sm) 0;
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.05);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-green);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    text-shadow: 0 0 10px var(--accent-green);
    transform: scale(1.05);
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-green);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-green);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--accent-green);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.menu-toggle:hover {
    color: var(--accent-cyan);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 var(--spacing-lg);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.3;
    z-index: 1;
}

.cyber-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(0deg, transparent 24%, rgba(0, 255, 136, 0.05) 25%, rgba(0, 255, 136, 0.05) 26%, transparent 27%, transparent 74%, rgba(0, 255, 136, 0.05) 75%, rgba(0, 255, 136, 0.05) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, rgba(0, 255, 136, 0.05) 25%, rgba(0, 255, 136, 0.05) 26%, transparent 27%, transparent 74%, rgba(0, 255, 136, 0.05) 75%, rgba(0, 255, 136, 0.05) 76%, transparent 77%, transparent);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(50px);
    }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.element {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.element:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.element:nth-child(2) {
    top: 50%;
    right: 10%;
    animation-delay: 2s;
}

.element:nth-child(3) {
    bottom: 10%;
    left: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-30px);
    }
}

.hero-text {
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-2xl);
}

.cta-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    color: var(--primary-dark);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

/* ============================================
   SECCIÓN: PROBLEMA
   ============================================ */
.problema-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    position: relative;
}

.problema-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.problema-card {
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.6) 0%, rgba(42, 47, 57, 0.6) 100%);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.problema-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.2), transparent);
    transition: left 0.5s;
    z-index: -1;
}

.problema-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.2);
}

.problema-card:hover::before {
    left: 100%;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
}

.problema-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-green);
}

.problema-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ============================================
   SECCIÓN: VULNERABILIDADES
   ============================================ */
.vulnerabilidades-section {
    padding: var(--spacing-2xl) 0;
    background: var(--primary-dark);
    position: relative;
}

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

.vuln-card {
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.8) 0%, rgba(42, 47, 57, 0.8) 100%);
    border-left: 4px solid;
    padding: var(--spacing-lg);
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.vuln-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 100%;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 8px;
    transition: width 0.4s ease;
    z-index: -1;
}

.vuln-card:hover::after {
    width: 100%;
}

.vuln-card:hover {
    transform: translateY(-5px);
}

.vuln-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.vuln-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

.vuln-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.risk-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.risk-badge.high {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
    border: 1px solid rgba(255, 107, 107, 0.4);
}

.risk-badge.medium {
    background: rgba(255, 215, 0, 0.2);
    color: #ffd700;
    border: 1px solid rgba(255, 215, 0, 0.4);
}

.risk-badge.low {
    background: rgba(81, 207, 102, 0.2);
    color: #51cf66;
    border: 1px solid rgba(81, 207, 102, 0.4);
}

/* Estilos específicos para tarjetas */
.vuln-card.phishing {
    border-left-color: #ff6b6b;
}

.vuln-card.malware {
    border-left-color: #ff6b6b;
}

.vuln-card.weak-passwords {
    border-left-color: #ff6b6b;
}

.vuln-card.wifi {
    border-left-color: #ffd700;
}

.vuln-card.identity {
    border-left-color: #ff6b6b;
}

.vuln-card.apps {
    border-left-color: #ffd700;
}

.vuln-card.social {
    border-left-color: #ffd700;
}

.vuln-card.data-leak {
    border-left-color: #ff6b6b;
}

/* ============================================
   SECCIÓN: TEST DE CIBERSEGURIDAD
   ============================================ */
.evaluacion-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    position: relative;
}

.test-container {
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.7) 0%, rgba(42, 47, 57, 0.7) 100%);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: var(--spacing-2xl);
    border-radius: 12px;
    max-width: 700px;
    margin: 0 auto;
}

.test-form {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.test-question {
    background: rgba(15, 20, 25, 0.5);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: var(--transition);
}

.test-question:hover {
    border-color: rgba(0, 255, 136, 0.3);
}

.test-question label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-light);
    transition: var(--transition);
}

.test-question label:hover {
    color: var(--accent-green);
}

.test-question input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--accent-green);
}

.submit-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    color: var(--primary-dark);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 255, 136, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.test-result {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.7) 0%, rgba(42, 47, 57, 0.7) 100%);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 12px;
    animation: slideInUp 0.5s ease-out;
}

.result-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.result-header h3 {
    font-size: 1.8rem;
    color: var(--accent-green);
}

.risk-meter {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.risk-indicator {
    width: 100%;
    height: 30px;
    background: linear-gradient(90deg, #51cf66 0%, #ffd700 50%, #ff6b6b 100%);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.risk-pointer {
    position: absolute;
    width: 4px;
    height: 40px;
    background: var(--text-light);
    top: -5px;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    animation: slideInUp 0.6s ease-out;
}

.risk-labels {
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.result-score {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(0, 255, 136, 0.1);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.result-score p {
    font-size: 1.2rem;
    margin: var(--spacing-sm) 0;
}

.result-score span {
    color: var(--accent-green);
    font-weight: 600;
    font-size: 1.5rem;
}

.risk-level {
    font-size: 1.3rem !important;
    color: var(--accent-cyan) !important;
    font-weight: 600;
}

.recommendations-container {
    margin-bottom: var(--spacing-lg);
}

.recommendations-container h4 {
    color: var(--accent-green);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.recommendations-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.recommendations-list li {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 255, 136, 0.05);
    border-left: 3px solid var(--accent-green);
    border-radius: 4px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.reset-btn {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(0, 255, 136, 0.2);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.reset-btn:hover {
    background: var(--accent-green);
    color: var(--primary-dark);
}

/* ============================================
   SECCIÓN: ESTADÍSTICAS
   ============================================ */
.estadisticas-section {
    padding: var(--spacing-2xl) 0;
    background: var(--primary-dark);
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.stat-card {
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.8) 0%, rgba(42, 47, 57, 0.8) 100%);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: var(--spacing-lg);
    border-radius: 12px;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--accent-green);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.15);
    transform: translateY(-5px);
}

.stat-card h3 {
    color: var(--accent-green);
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
    text-align: center;
}

.chart-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    min-height: 150px;
}

.bar-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.bar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    width: 100%;
}

.bar {
    width: 60px;
    background: linear-gradient(180deg, var(--accent-green), var(--accent-cyan));
    border-radius: 4px 4px 0 0;
    min-height: 10px;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
    transition: var(--transition);
}

.bar:hover {
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
    filter: brightness(1.2);
}

.bar.safe {
    background: linear-gradient(180deg, var(--success), var(--accent-cyan));
}

.percentage {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-green);
}

.bar-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

.donut-chart {
    position: relative;
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.donut-chart svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.2));
}

.donut-label {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.donut-percentage {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-green);
}

.donut-text {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.progress-chart {
    width: 100%;
}

.progress-bar {
    width: 100%;
    height: 24px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
    border-radius: 12px;
    animation: progressAnimation 1.5s ease-out;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.4);
}

@keyframes progressAnimation {
    from {
        width: 0 !important;
    }
}

.chart-value {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.radar-chart {
    display: grid;
    gap: var(--spacing-sm);
}

.radar-item {
    display: grid;
    grid-template-columns: 70px 1fr 40px;
    align-items: center;
    gap: var(--spacing-sm);
}

.radar-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: right;
}

.radar-bar {
    height: 20px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
    animation: slideInRight 0.8s ease-out;
}

@keyframes slideInRight {
    from {
        width: 0 !important;
    }
}

.radar-value {
    font-size: 0.85rem;
    color: var(--accent-green);
    font-weight: 600;
}

.circular-stat {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circular-stat svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.2));
}

.stat-number {
    position: absolute;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-green);
}

.comparison-chart {
    display: grid;
    gap: var(--spacing-md);
}

.comparison-item {
    display: grid;
    grid-template-columns: 100px 1fr 60px;
    align-items: center;
    gap: var(--spacing-sm);
}

.comparison-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.comparison-bar {
    height: 24px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
    animation: slideInRight 0.8s ease-out;
}

.comparison-bar.danger {
    background: linear-gradient(90deg, var(--danger), var(--warning));
    box-shadow: 0 0 10px rgba(255, 107, 107, 0.3);
}

.comparison-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-green);
    text-align: right;
}

/* ============================================
   SECCIÓN: RECOMENDACIONES
   ============================================ */
.recomendaciones-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    position: relative;
}

.recomendaciones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.recom-card {
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.8) 0%, rgba(42, 47, 57, 0.8) 100%);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: var(--spacing-lg);
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.recom-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.4s ease;
}

.recom-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 255, 136, 0.2);
}

.recom-card:hover::before {
    transform: scaleX(1);
}

.recom-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
    text-align: center;
}

.recom-card h3 {
    color: var(--accent-green);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
    text-align: center;
}

.recom-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.recom-list li {
    color: var(--text-muted);
    padding-left: var(--spacing-md);
    position: relative;
    font-size: 0.95rem;
}

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

/* ============================================
   SECCIÓN: CONTACTO
   ============================================ */
.contacto-section {
    padding: var(--spacing-2xl) 0;
    background: var(--primary-dark);
    position: relative;
}

.contacto-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.contacto-info h3 {
    font-size: 1.5rem;
    color: var(--accent-green);
    margin-bottom: var(--spacing-md);
}

.contacto-info p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(26, 35, 50, 0.6);
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 136, 0.1);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--accent-green);
    background: rgba(26, 35, 50, 0.9);
}

.contact-icon {
    font-size: 1.8rem;
    min-width: 40px;
    text-align: center;
}

.contact-label {
    color: var(--accent-green);
    font-size: 0.85rem;
    margin: 0;
}

.contact-item div p:last-child {
    color: var(--text-light);
    margin: 0;
    margin-top: var(--spacing-xs);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--accent-green);
    border-radius: 50%;
    color: var(--accent-green);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 600;
}

.social-icon:hover {
    background: var(--accent-green);
    color: var(--primary-dark);
    transform: scale(1.1);
}

.contacto-form {
    display: grid;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.6) 0%, rgba(42, 47, 57, 0.6) 100%);
    padding: var(--spacing-lg);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.contacto-form input,
.contacto-form textarea {
    padding: var(--spacing-sm);
    background: rgba(15, 20, 25, 0.7);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 6px;
    color: var(--text-light);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

.contacto-form input:focus,
.contacto-form textarea:focus {
    outline: none;
    border-color: var(--accent-green);
    background: rgba(15, 20, 25, 0.9);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.contacto-form input::placeholder,
.contacto-form textarea::placeholder {
    color: var(--text-muted);
}

.submit-form-btn {
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    color: var(--primary-dark);
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: var(--spacing-sm);
}

.submit-form-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 255, 136, 0.3);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: rgba(15, 20, 25, 0.95);
    border-top: 1px solid rgba(0, 255, 136, 0.2);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

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

.footer-section h4 {
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-section p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(0, 255, 136, 0.1);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .problema-grid,
    .vulnerabilidades-grid,
    .recomendaciones-grid {
        grid-template-columns: 1fr;
    }

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

    .test-container {
        padding: var(--spacing-lg);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .chart-container {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .logo-text {
        display: none;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .cta-button,
    .submit-btn {
        font-size: 0.9rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .problema-card,
    .vuln-card,
    .stat-card,
    .recom-card {
        padding: var(--spacing-md);
    }
}

/* ============================================
   ANIMACIONES ADICIONALES
   ============================================ */
@keyframes glow {
    0%, 100% {
        text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
    }
    50% {
        text-shadow: 0 0 20px rgba(0, 255, 136, 0.8);
    }
}

.glow {
    animation: glow 2s ease-in-out infinite;
}