/* --- ARQUITECTURA ITCSS (SIMULADA) --- */

/* --- 1. SETTINGS --- */
:root {
    /* Paleta de Colores */
    --color-background: #0A0A0A;
    --color-text: #EAEAEA;
    --color-text-muted: #888888;
    --color-primary-neon: #FF3366;
    --color-secondary-neon: #00FFC4;
    --color-grid: rgba(255, 255, 255, 0.05);
    --color-glass-bg: rgba(20, 20, 20, 0.5);
    --color-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-primary: 'Neue Haas Grotesk Display Pro', 'fallback-sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-mono: 'IBM Plex Mono', 'fallback-mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

    /* Espaciado */
    --space-unit: 8px;
    --space-xs: var(--space-unit);      /* 8px */
    --space-sm: calc(var(--space-unit) * 2); /* 16px */
    --space-md: calc(var(--space-unit) * 4); /* 32px */
    --space-lg: calc(var(--space-unit) * 8); /* 64px */
    --space-xl: calc(var(--space-unit) * 12);/* 96px */

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

.matrix-mode {
    --color-primary-neon: #00FF41;
    --color-secondary-neon: #00B82E;
    --color-grid: rgba(0, 255, 65, 0.07);
    --color-text: #00FF41;
    --color-text-muted: #00B82E;
}

/* --- 2. BASE --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    background-color: var(--color-background);
    font-size: 16px;
}

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

/* Efecto de grid de terminal con mejor rendimiento */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(to right, var(--color-grid) 1px, transparent 1px),
        linear-gradient(to bottom, var(--color-grid) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    animation: flicker 15s infinite linear;
    will-change: opacity;
}

@keyframes flicker {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

/* --- 3. TIPOGRAFÍA --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.5rem, 4vw, 2rem); }
h4 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

a {
    color: var(--color-secondary-neon);
    text-decoration: none;
    transition: color var(--transition-medium);
}
a:hover, a:focus { 
    color: var(--color-primary-neon);
    outline: none;
}

/* --- 4. LAYOUT --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl) 0;
}

section {
    position: relative;
    z-index: 2;
}

/* --- 5. COMPONENTES --- */

/* Botón con efecto neón mejorado */
.btn {
    display: inline-block;
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-primary-neon);
    color: var(--color-primary-neon);
    background-color: transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: 0 0 5px var(--color-primary-neon), inset 0 0 5px var(--color-primary-neon);
    position: relative;
    overflow: hidden;
    will-change: transform, box-shadow;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn:hover, .btn:focus {
    background-color: var(--color-primary-neon);
    color: var(--color-background);
    box-shadow: 0 0 20px var(--color-primary-neon);
    transform: translateY(-2px);
    outline: none;
}

/* Header con Glassmorphism mejorado */
.main-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--space-sm) 0;
    background: var(--color-glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    will-change: transform;
}

.main-header .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--space-md);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all var(--transition-medium);
}

.logo-image {
    height: 36px;
    width: 160px;
    transition: all var(--transition-medium);
    filter: brightness(1.1) contrast(1.1);
    object-fit: contain;
    object-position: left center;
}

.logo:hover .logo-image {
    filter: brightness(1.3) contrast(1.2) drop-shadow(0 0 15px var(--color-primary-neon));
    transform: scale(1.05);
}

/* Efecto especial para Matrix Mode */
.matrix-mode .logo-image {
    filter: hue-rotate(90deg) brightness(1.2) saturate(1.3);
}

.matrix-mode .logo:hover .logo-image {
    filter: hue-rotate(90deg) brightness(1.4) saturate(1.5) drop-shadow(0 0 15px var(--color-secondary-neon));
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.main-nav a {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-text);
    transition: color var(--transition-medium);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-secondary-neon);
    transition: width var(--transition-medium);
}

.main-nav a:hover::after,
.main-nav a:focus::after {
    width: 100%;
}

.main-nav a:hover, 
.main-nav a:focus { 
    color: var(--color-secondary-neon);
    outline: none;
}

/* Formulario de Contacto mejorado */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 600px;
    margin: var(--space-lg) auto 0;
}

.form-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: var(--space-sm);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 1rem;
    transition: all var(--transition-medium);
    outline: none;
}

.form-input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.7;
}

.form-input:focus {
    border-color: var(--color-secondary-neon);
    box-shadow: 0 0 10px var(--color-secondary-neon);
    transform: translateY(-1px);
}

.form-input.invalid {
    border-color: var(--color-primary-neon);
    box-shadow: 0 0 10px var(--color-primary-neon);
}

.error-message {
    color: var(--color-primary-neon);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding-top: var(--space-xs);
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-medium);
}

.form-input.invalid + .error-message {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Theme Switch mejorado */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.theme-switch-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    transition: color var(--transition-medium);
}

.theme-switch {
    display: inline-block;
    height: 24px;
    position: relative;
    width: 48px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: var(--color-border);
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: var(--transition-medium);
    border-radius: 24px;
}

.slider:before {
    background-color: var(--color-text);
    bottom: 4px;
    content: "";
    height: 16px;
    left: 4px;
    position: absolute;
    transition: var(--transition-medium);
    width: 16px;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--color-primary-neon);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

input:checked ~ .theme-switch-label {
    color: var(--color-primary-neon);
}

/* --- 6. SECCIONES --- */

/* Hero Section mejorada */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--color-text);
    text-shadow: 0 0 15px var(--color-primary-neon);
    margin-bottom: var(--space-md);
}

.hero .subtitle {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--color-secondary-neon);
    margin-top: var(--space-md);
    text-shadow: 0 0 10px var(--color-secondary-neon);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

/* Case Studies Section */
.case-studies {
    background-color: rgba(0,0,0,0.3);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.case-studies::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 196, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 51, 102, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-title h2 {
    margin-bottom: var(--space-sm);
}

/* Extreme Environments Section */
.extreme-env-content {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.extreme-env-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text);
    opacity: 0.9;
    max-width: 80ch;
    margin: 0 auto;
}

.extreme-env-container {
    background: var(--color-glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.containerized-dc {
    font-family: var(--font-mono);
    color: var(--color-secondary-neon);
    white-space: pre;
    text-align: center;
    font-size: 0.9rem;
    line-height: 1.8;
}

.extreme-env-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg,
        transparent,
        var(--color-secondary-neon),
        transparent
    );
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: -1;
    animation: rotate 20s linear infinite;
}

.extreme-env-container:hover::before {
    opacity: 0.1;
}

/* Security Section */
.security-viewer {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background-color: #050505;
    margin-top: var(--space-lg);
    min-height: 500px;
    position: relative;
    overflow: hidden;
}

.security-viewer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        var(--color-primary-neon), 
        var(--color-secondary-neon), 
        var(--color-primary-neon)
    );
    animation: security-scan 3s infinite;
}

@keyframes security-scan {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.security-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    position: relative;
}

.security-tab {
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    border-right: 1px solid var(--color-border);
    transition: all var(--transition-medium);
    position: relative;
    background: transparent;
}

.security-tab:last-child {
    border-right: none;
}

.security-tab::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary-neon);
    transition: width var(--transition-medium);
}

.security-tab.active::before,
.security-tab:hover::before {
    width: 100%;
}

.security-tab.active, 
.security-tab:hover {
    color: var(--color-secondary-neon);
    background-color: rgba(0, 255, 196, 0.05);
    transform: translateY(-1px);
}

.security-content {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.security-content h3 {
    color: var(--color-text);
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
    text-shadow: 0 0 5px var(--color-secondary-neon);
}

.security-content p {
    font-size: 1.1rem;
    max-width: 80ch;
    line-height: 1.7;
    margin-bottom: var(--space-md);
    color: var(--color-text);
    opacity: 0.9;
}

/* Security Metrics */
.security-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.security-metric {
    text-align: center;
    padding: var(--space-sm);
    border-radius: 4px;
    background: rgba(0, 255, 196, 0.03);
    border: 1px solid rgba(0, 255, 196, 0.1);
    transition: all var(--transition-medium);
}

.security-metric:hover {
    background: rgba(0, 255, 196, 0.08);
    border-color: var(--color-secondary-neon);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 196, 0.1);
}

.security-metric .metric-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-secondary-neon);
    margin-bottom: var(--space-xs);
    text-shadow: 0 0 5px var(--color-secondary-neon);
}

.security-metric .metric-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
/* Latency Visualization Section */
.latency-viz {
    text-align: center;
}

/* On-Premise Blueprint Section */
.blueprint-container {
    border: 1px solid var(--color-border);
    padding: var(--space-md);
    background: 
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 10px,
            rgba(0, 255, 196, 0.05) 10px,
            rgba(0, 255, 196, 0.05) 20px
        ),
        radial-gradient(circle at center, rgba(0, 255, 196, 0.1) 0%, transparent 70%);
    margin-top: var(--space-lg);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.blueprint-diagram {
    font-family: var(--font-mono);
    color: var(--color-secondary-neon);
    white-space: pre;
    text-align: center;
    font-size: 0.9rem;
    line-height: 1.8;
}

/* Footer mejorado */
.main-footer {
    background-color: #000;
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    position: relative;
}

.terminal-output {
    font-family: var(--font-mono);
    color: var(--color-secondary-neon);
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
    white-space: pre-wrap;
    height: 250px;
    overflow: hidden;
}

.terminal-output .cursor {
    display: inline-block;
    width: 10px;
    height: 1.2em;
    background-color: var(--color-secondary-neon);
    animation: blink 1s steps(1) infinite;
    margin-left: 2px;
}

@keyframes blink {
    50% { background-color: transparent; }
}

/* --- 7. UTILIDADES --- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* --- 8. RESPONSIVE --- */
@media (max-width: 768px) {
    .main-header .nav-container {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .logo-image {
        height: 32px;
        width: 142px;
    }
    
    .main-nav ul {
        padding: 0;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        min-height: 80vh;
        padding-top: var(--space-lg);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .containerized-dc {
        font-size: 0.7rem;
        line-height: 1.6;
    }
    
    .security-tabs {
        flex-direction: column;
    }
    
    .security-tab {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        text-align: center;
    }
    
    .security-tab:last-child {
        border-bottom: none;
    }
    
    .security-content {
        padding: var(--space-md);
    }
    
    .security-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .blueprint-diagram {
        font-size: 0.7rem;
        overflow-x: auto;
        text-align: left;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: calc(var(--space-unit) * 8); /* Reduce spacing on mobile */
    }
    
    .container {
        width: 95%;
        padding: var(--space-lg) 0;
    }
    
    .logo-image {
        height: 28px;
    }
    
    .hero .subtitle {
        font-size: 1.2rem;
    }
    
    .theme-switch-wrapper {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .security-metrics {
        grid-template-columns: 1fr;
        gap: var(--space-xs);
    }
    
    .security-content h3 {
        font-size: 1.2rem;
    }
    
    .security-content p {
        font-size: 1rem;
    }
}

/* --- 9. MEJORAS DE PERFORMANCE --- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    body::before {
        animation: none;
    }
}

/* Mejoras para dispositivos con pantalla táctil */
@media (hover: none) and (pointer: coarse) {
    .btn:hover,
    .main-nav a:hover {
        transform: none;
        box-shadow: none;
    }
}