/* ==============================================================================
   DeterZHost - High-Impact Enterprise Datacenter Design System
   High Contrast, Solid Radiant Typography & Vivid Datacenter Background
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@500;600;700;800;900&family=JetBrains+Mono:wght@500;700;800&display=swap');

:root {
    /* High-Contrast Datacenter Base */
    --bg-base: #040711;
    --bg-dark: #070C1B;
    --bg-surface: rgba(13, 21, 38, 0.88);
    --bg-card: rgba(15, 25, 48, 0.82);
    --bg-card-hover: rgba(22, 36, 68, 0.94);
    --bg-glass: rgba(11, 19, 36, 0.82);
    --bg-input: rgba(6, 11, 24, 0.95);

    /* Electric Sapphire & Cobalt Accents */
    --primary: #2563EB;
    --primary-light: #3B82F6;
    --primary-bright: #38BDF8;
    --primary-hover: #1D4ED8;
    --primary-glow: rgba(56, 189, 248, 0.6);
    
    --accent-cyan: #06B6D4;
    --accent-sky: #38BDF8;
    --accent-indigo: #6366F1;
    --accent-emerald: #10B981;
    --accent-amber: #F59E0B;
    --accent-red: #EF4444;

    /* Text & Legibility - Pure & Crisp High Contrast */
    --text-pure: #FFFFFF;
    --text-main: #F8FAFC;
    --text-secondary: #E2E8F0;
    --text-muted: #CBD5E1;
    --text-dim: #94A3B8;

    /* Borders & Glassmorphic Highlights */
    --border-subtle: rgba(71, 85, 105, 0.7);
    --border-card: rgba(59, 130, 246, 0.38);
    --border-card-hover: rgba(96, 165, 250, 0.85);
    --border-glow: rgba(56, 189, 248, 0.6);
    --border-light: rgba(255, 255, 255, 0.2);

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Radii */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 22px;
    --radius-full: 9999px;

    /* High-Impact Elevation Shadows */
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 20px -2px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 40px -4px rgba(0, 0, 0, 0.75), 0 0 25px rgba(37, 99, 235, 0.25);
    --shadow-glow: 0 0 30px rgba(56, 189, 248, 0.5);
    --shadow-btn: 0 4px 18px rgba(37, 99, 235, 0.55);
    
    --transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-base);
    color: var(--text-secondary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==============================================================================
   Fondo Cinemático Datacenter Luminoso (Crossfade Continuo)
   ============================================================================== */
.datacenter-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -10;
    pointer-events: none;
    overflow: hidden;
}

.datacenter-slide {
    position: absolute;
    top: -2%;
    left: -2%;
    width: 104%;
    height: 104%;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    opacity: 0;
    transform: scale(1);
    will-change: opacity, transform;
}

.datacenter-slide.slide-1 {
    animation: dcCrossfade1 18s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.datacenter-slide.slide-2 {
    animation: dcCrossfade2 18s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes dcCrossfade1 {
    0% { opacity: 0; transform: scale(1); }
    8% { opacity: 0.72; }
    42% { opacity: 0.72; transform: scale(1.04); }
    50% { opacity: 0; transform: scale(1.05); }
    100% { opacity: 0; transform: scale(1); }
}

@keyframes dcCrossfade2 {
    0% { opacity: 0; transform: scale(1.05); }
    42% { opacity: 0; }
    50% { opacity: 0.72; transform: scale(1); }
    92% { opacity: 0.72; transform: scale(1.04); }
    100% { opacity: 0; transform: scale(1.05); }
}

.datacenter-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 50% 18%, rgba(37, 99, 235, 0.22) 0%, transparent 65%),
        radial-gradient(circle at 10% 70%, rgba(29, 78, 216, 0.16) 0%, transparent 50%),
        radial-gradient(circle at 90% 75%, rgba(99, 102, 241, 0.14) 0%, transparent 50%),
        linear-gradient(180deg, rgba(4, 7, 17, 0.42) 0%, rgba(4, 7, 17, 0.72) 45%, rgba(4, 7, 17, 0.90) 100%);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-pure);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
}

p {
    color: var(--text-muted);
    font-size: 1.025rem;
    line-height: 1.65;
}

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

a:hover {
    color: #FFFFFF;
}

.container {
    width: 100%;
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Announcement Top Bar */
.promo-ticker {
    background: rgba(7, 12, 27, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 8px 0;
    font-size: 0.85rem;
    position: relative;
    z-index: 100;
}

.promo-ticker-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    text-align: center;
    color: var(--text-secondary);
}

.promo-badge {
    background: rgba(16, 185, 129, 0.22);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.5);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 2px 9px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.promo-code-pill {
    background: rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(56, 189, 248, 0.6);
    color: #BAE6FD;
    padding: 2px 9px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* Navbar */
.site-header {
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(7, 12, 27, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
}

.site-header.scrolled {
    background: rgba(4, 7, 17, 0.96);
    border-bottom-color: rgba(56, 189, 248, 0.45);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 900;
    color: #FFFFFF;
    letter-spacing: -0.035em;
    text-decoration: none;
    text-shadow: 0 0 15px rgba(56, 189, 248, 0.5);
}

.brand-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1D4ED8 0%, #38BDF8 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 1.15rem;
    box-shadow: 0 0 18px rgba(56, 189, 248, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.brand-logo span.accent {
    color: #38BDF8;
    text-shadow: 0 0 14px rgba(56, 189, 248, 0.8);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

.nav-link {
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: #FFFFFF;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #2563EB, #38BDF8);
    border-radius: var(--radius-full);
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.8);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-pure);
    font-size: 1.3rem;
    cursor: pointer;
}

/* ==============================================================================
   Hero Section - Titular Sólido Radiante
   ============================================================================== */
.hero-section {
    padding: 85px 0 65px;
    position: relative;
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(15, 26, 50, 0.9);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(56, 189, 248, 0.55);
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    color: #BAE6FD;
    margin-bottom: 26px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 16px rgba(56, 189, 248, 0.35);
}

.hero-badge .pulse-dot {
    width: 9px;
    height: 9px;
    background: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 12px #10B981;
    animation: statusPulse 1.8s infinite;
}

@keyframes statusPulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.35); opacity: 1; box-shadow: 0 0 16px #10B981; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

/* Titular Principal - Sólido, Ultra Nítido y Brillante */
.hero-title {
    font-size: clamp(2.4rem, 5vw, 4.1rem);
    font-weight: 900;
    line-height: 1.18;
    margin-bottom: 22px;
    letter-spacing: -0.035em;
    color: #FFFFFF;
    text-shadow: 0 4px 25px rgba(0, 0, 0, 0.95);
}

.hero-title .gradient-text,
.hero-title span.accent-title {
    color: #38BDF8 !important;
    font-weight: 900;
    text-shadow: 0 0 28px rgba(56, 189, 248, 0.8), 0 2px 10px rgba(0, 0, 0, 0.9);
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    max-width: 760px;
    margin: 0 auto 38px;
    color: #F1F5F9;
    font-weight: 500;
    line-height: 1.65;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.85);
}

.hero-cta-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 38px;
}

/* ==============================================================================
   Buscador de Dominios Glassmorphism de Alto Impacto
   ============================================================================== */
.domain-search-box {
    max-width: 820px;
    margin: 0 auto 26px;
    background: rgba(13, 23, 46, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(56, 189, 248, 0.5);
    border-radius: var(--radius-xl);
    padding: 12px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 35px rgba(37, 99, 235, 0.35);
}

.domain-search-form {
    display: flex;
    align-items: center;
    gap: 12px;
}

.domain-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    background: rgba(6, 12, 26, 0.95);
    border: 1px solid rgba(71, 85, 105, 0.8);
    border-radius: var(--radius-md);
    padding: 0 20px;
    transition: var(--transition);
}

.domain-input-wrapper:focus-within {
    border-color: #38BDF8;
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.3), 0 0 18px rgba(56, 189, 248, 0.4);
    background: rgba(8, 15, 34, 1);
}

.domain-input-wrapper i {
    color: #38BDF8;
    margin-right: 14px;
    font-size: 1.15rem;
    filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.7));
}

.domain-input-wrapper input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: #FFFFFF;
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 500;
    padding: 16px 0;
}

.domain-input-wrapper input::placeholder {
    color: #94A3B8;
}

.tld-chips {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.tld-chip {
    background: rgba(8, 15, 32, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: var(--radius-full);
    padding: 5px 14px;
    font-size: 0.85rem;
    color: #CBD5E1;
    transition: var(--transition);
}

.tld-chip strong {
    color: #FFFFFF;
    font-weight: 700;
}

.tld-chip .price {
    color: #38BDF8;
    margin-left: 5px;
    font-weight: 800;
}

.tld-chip:hover {
    border-color: #38BDF8;
    background: rgba(22, 38, 72, 0.95);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(56, 189, 248, 0.4);
}

/* ==============================================================================
   Barra de Compatibilidad de Infraestructura & Hardware
   ============================================================================== */
.infra-compat-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin: 34px auto 0;
    max-width: 1000px;
}

.compat-item {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: rgba(13, 23, 46, 0.88);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(56, 189, 248, 0.4);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: #E2E8F0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    transition: var(--transition);
}

.compat-item i {
    font-size: 1rem;
}

.compat-item i.fa-windows { color: #00A4EF; filter: drop-shadow(0 0 6px rgba(0, 164, 239, 0.7)); }
.compat-item i.fa-linux { color: #FCC624; filter: drop-shadow(0 0 6px rgba(252, 198, 36, 0.7)); }
.compat-item i.fa-table-columns { color: #FF6C2C; filter: drop-shadow(0 0 6px rgba(255, 108, 44, 0.7)); }
.compat-item i.fa-microchip { color: #34D399; filter: drop-shadow(0 0 6px rgba(52, 211, 153, 0.7)); }
.compat-item i.fa-network-wired { color: #38BDF8; filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.7)); }

.compat-item:hover {
    border-color: #38BDF8;
    background: rgba(23, 38, 72, 0.95);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(56, 189, 248, 0.45);
}

/* ==============================================================================
   Tarjetas de Métricas de Servidor Iluminadas
   ============================================================================== */
.metrics-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin: 50px 0 10px;
}

.metric-card {
    background: linear-gradient(180deg, rgba(16, 28, 54, 0.88) 0%, rgba(9, 16, 34, 0.94) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: var(--radius-lg);
    padding: 26px 20px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #38BDF8, transparent);
    opacity: 0.7;
    transition: var(--transition);
}

.metric-card:hover {
    border-color: #60A5FA;
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.7), 0 0 25px rgba(37, 99, 235, 0.35);
    background: linear-gradient(180deg, rgba(23, 39, 74, 0.92) 0%, rgba(12, 21, 44, 0.98) 100%);
}

.metric-card:hover::before {
    opacity: 1;
    height: 4px;
    background: linear-gradient(90deg, #2563EB, #38BDF8, #60A5FA);
}

.metric-icon-box {
    width: 48px;
    height: 48px;
    margin: 0 auto 14px;
    border-radius: var(--radius-md);
    background: rgba(37, 99, 235, 0.18);
    border: 1px solid rgba(59, 130, 246, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    box-shadow: 0 0 14px rgba(37, 99, 235, 0.3);
}

.metric-card:nth-child(1) .metric-icon-box { color: #34D399; border-color: rgba(16, 185, 129, 0.5); background: rgba(16, 185, 129, 0.15); box-shadow: 0 0 14px rgba(16, 185, 129, 0.3); }
.metric-card:nth-child(2) .metric-icon-box { color: #38BDF8; border-color: rgba(56, 189, 248, 0.5); background: rgba(56, 189, 248, 0.15); box-shadow: 0 0 14px rgba(56, 189, 248, 0.3); }
.metric-card:nth-child(3) .metric-icon-box { color: #A78BFA; border-color: rgba(167, 139, 250, 0.5); background: rgba(167, 139, 250, 0.15); box-shadow: 0 0 14px rgba(167, 139, 250, 0.3); }
.metric-card:nth-child(4) .metric-icon-box { color: #FBBF24; border-color: rgba(245, 158, 11, 0.5); background: rgba(245, 158, 11, 0.15); box-shadow: 0 0 14px rgba(245, 158, 11, 0.3); }

.metric-val {
    font-family: var(--font-heading);
    font-size: 2.1rem;
    font-weight: 900;
    color: #FFFFFF;
    line-height: 1.1;
    margin-bottom: 4px;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.metric-label {
    font-size: 0.9rem;
    color: #CBD5E1;
    font-weight: 500;
}

/* ==============================================================================
   Sección de Planes y Tarjetas SaaS
   ============================================================================== */
.section {
    padding: 85px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 50px;
}

.section-tag {
    font-family: var(--font-heading);
    color: #38BDF8;
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
    display: inline-block;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.35);
    padding: 4px 14px;
    border-radius: var(--radius-full);
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.2);
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 2.7rem);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.075rem;
    color: #CBD5E1;
}

/* Switcher Mensual / Anual */
.billing-toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 44px;
}

.billing-label {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: #94A3B8;
    cursor: pointer;
    transition: var(--transition);
}

.billing-label.active {
    color: #FFFFFF;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.switch-toggle {
    position: relative;
    width: 56px;
    height: 30px;
    background: rgba(13, 23, 46, 0.95);
    border-radius: var(--radius-full);
    border: 1px solid rgba(56, 189, 248, 0.5);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.6);
}

.switch-toggle .slider-knob {
    position: absolute;
    top: 2px;
    left: 3px;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #2563EB, #38BDF8);
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.8);
}

.switch-toggle.active .slider-knob {
    transform: translateX(26px);
    background: linear-gradient(135deg, #10B981, #34D399);
    box-shadow: 0 0 10px rgba(52, 211, 153, 0.8);
}

.discount-badge-bubble {
    background: rgba(16, 185, 129, 0.2);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.5);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}

/* Grid de Tarjetas de Hosting & VPS */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 26px;
}

.cyber-card {
    background: linear-gradient(180deg, rgba(16, 26, 52, 0.88) 0%, rgba(9, 16, 34, 0.95) 100%);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: var(--radius-lg);
    padding: 38px 30px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.cyber-card:hover {
    transform: translateY(-5px);
    border-color: #38BDF8;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.75), 0 0 30px rgba(56, 189, 248, 0.4);
    background: linear-gradient(180deg, rgba(23, 38, 74, 0.94) 0%, rgba(12, 21, 44, 0.98) 100%);
}

.cyber-card.popular {
    border-color: #38BDF8;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.22) 0%, rgba(12, 21, 44, 0.96) 100%);
    box-shadow: 0 15px 40px -4px rgba(37, 99, 235, 0.45), 0 0 25px rgba(56, 189, 248, 0.35);
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #1D4ED8, #38BDF8);
    color: #FFFFFF;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 0 14px rgba(56, 189, 248, 0.6);
}

.card-header {
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.45rem;
    margin-bottom: 6px;
    color: #FFFFFF;
}

.card-tagline {
    font-size: 0.9rem;
    color: #CBD5E1;
    min-height: 42px;
    line-height: 1.45;
}

.card-price-box {
    margin: 22px 0;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.price-currency {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: #38BDF8;
    font-weight: 700;
}

.price-amount {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: #FFFFFF;
    line-height: 1;
    letter-spacing: -0.04em;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.6);
}

.price-period {
    color: #94A3B8;
    font-size: 0.95rem;
    font-weight: 600;
}

.features-list {
    list-style: none;
    margin: 24px 0;
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 11px;
    font-size: 0.925rem;
    color: #E2E8F0;
}

.feature-item i {
    color: #34D399;
    font-size: 1rem;
    flex-shrink: 0;
    filter: drop-shadow(0 0 5px rgba(52, 211, 153, 0.6));
}

.feature-item strong {
    color: #FFFFFF;
    font-weight: 700;
}

/* ==============================================================================
   Configurador Interactivo de VPS (KVM Cloud)
   ============================================================================== */
.vps-customizer-box {
    background: linear-gradient(180deg, rgba(16, 27, 54, 0.9) 0%, rgba(9, 16, 36, 0.96) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(56, 189, 248, 0.5);
    border-radius: var(--radius-xl);
    padding: 44px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.75), 0 0 35px rgba(37, 99, 235, 0.3);
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 44px;
}

.sliders-panel {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.slider-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.slider-label {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    gap: 9px;
}

.slider-label i {
    color: #38BDF8;
    filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.6));
}

.slider-value-badge {
    background: rgba(37, 99, 235, 0.22);
    border: 1px solid rgba(56, 189, 248, 0.55);
    color: #93C5FD;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 12px rgba(37, 99, 235, 0.35);
}

.cyber-range {
    -webkit-appearance: none;
    width: 100%;
    height: 7px;
    background: rgba(51, 65, 85, 0.8);
    border-radius: var(--radius-full);
    outline: none;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

.cyber-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, #2563EB, #38BDF8);
    border: 2px solid #FFFFFF;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 14px rgba(56, 189, 248, 0.9);
    transition: var(--transition);
}

.cyber-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px rgba(56, 189, 248, 1);
}

.os-selector-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 6px;
}

.os-btn {
    background: rgba(8, 15, 32, 0.9);
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: var(--radius-md);
    padding: 12px 6px;
    text-align: center;
    color: #CBD5E1;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.os-btn:hover {
    border-color: #38BDF8;
    color: #FFFFFF;
    background: rgba(22, 38, 72, 0.95);
}

.os-btn.active {
    background: rgba(37, 99, 235, 0.28);
    border-color: #38BDF8;
    color: #FFFFFF;
    box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
}

.vps-summary-card {
    background: rgba(8, 15, 32, 0.92);
    border: 1px solid rgba(56, 189, 248, 0.45);
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.summary-spec-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.summary-spec-row span {
    color: #94A3B8;
    font-size: 0.9rem;
    font-weight: 500;
}

.summary-spec-row strong {
    color: #FFFFFF;
    font-size: 0.95rem;
    font-weight: 700;
}

/* ==============================================================================
   Pie de Página
   ============================================================================== */
.site-footer {
    background: rgba(4, 7, 16, 0.96);
    backdrop-filter: blur(16px);
    border-top: 1px solid rgba(56, 189, 248, 0.3);
    padding: 68px 0 28px;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: #FFFFFF;
    font-weight: 800;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.footer-links a {
    color: #94A3B8;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: #38BDF8;
}

.footer-status-box {
    background: rgba(11, 20, 42, 0.9);
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: var(--radius-md);
    padding: 16px;
    font-size: 0.85rem;
    color: #CBD5E1;
}

.footer-status-box strong {
    color: #FFFFFF;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.875rem;
    color: #94A3B8;
    flex-wrap: wrap;
    gap: 14px;
}

/* Responsive */
@media (max-width: 992px) {
    .vps-customizer-box {
        grid-template-columns: 1fr;
        padding: 30px 22px;
    }

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

    .nav-actions .btn-login {
        display: none;
    }

    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background: rgba(14, 165, 233, 0.12);
        border: 1px solid rgba(56, 189, 248, 0.4);
        border-radius: 8px;
        color: #38BDF8;
        font-size: 1.25rem;
        cursor: pointer;
        transition: all 0.25s ease;
    }

    .nav-toggle:hover, .nav-toggle.active {
        background: rgba(14, 165, 233, 0.25);
        color: #FFFFFF;
        border-color: #38BDF8;
        box-shadow: 0 0 15px rgba(56, 189, 248, 0.5);
    }

    /* Menú Móvil Desplegable Cyber Dark */
    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(6, 11, 26, 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-bottom: 1px solid rgba(56, 189, 248, 0.45);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.9);
        padding: 20px 18px 24px;
        gap: 10px;
        max-height: calc(100vh - 72px);
        overflow-y: auto;
        transform: translateY(-130%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, visibility 0.3s ease;
        z-index: 9999;
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-links li {
        width: 100%;
        margin: 0;
    }

    .nav-links .nav-link {
        display: flex;
        align-items: center;
        padding: 13px 18px;
        border-radius: 10px;
        font-size: 1.02rem;
        background: rgba(14, 165, 233, 0.05);
        border: 1px solid rgba(56, 189, 248, 0.15);
        color: #CBD5E1;
        transition: all 0.2s ease;
    }

    .nav-links .nav-link:hover, .nav-links .nav-link.active {
        background: rgba(14, 165, 233, 0.2);
        border-color: rgba(56, 189, 248, 0.6);
        color: #38BDF8;
        transform: translateX(4px);
        box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
    }

    .nav-links .nav-link.active::after {
        display: none;
    }

    .mobile-only-btn {
        display: block !important;
        margin-top: 8px;
        padding-top: 12px;
        border-top: 1px solid rgba(56, 189, 248, 0.2);
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .os-selector-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .infra-compat-bar {
        gap: 10px;
    }
}