/* ============================================================
   style.css — Diseño neón espacial con glassmorphism agresivo
   Paleta: negro profundo, cian eléctrico, violeta, blanco puro
   Tipografía: Source Serif 4 (títulos) + IBM Plex Sans (cuerpo)
   Autor: Módulo Mantenimiento de Sistemas Informáticos
============================================================ */


/* ============================================================
   VARIABLES GLOBALES (DESIGN TOKENS)
============================================================ */
:root {
  /* Fondos */
  --bg-base:     #04060a;
  --bg-surface:  #080c12;

  /* Cian eléctrico */
  --cyan:        #00e5ff;
  --cyan-mid:    #00bcd4;
  --cyan-deep:   #0097a7;
  --cyan-glow:   rgba(0,229,255,0.22);
  --cyan-border: rgba(0,229,255,0.30);

  /* Violeta acento */
  --violet:      #7c4dff;
  --violet-glow: rgba(124,77,255,0.18);

  /* Blanco y grises */
  --white:       #ffffff;
  --grey-100:    #e8f0f4;
  --grey-200:    #90a4ae;
  --grey-400:    #455a64;
  --grey-600:    #1e2a30;

  /* Glassmorphism agresivo */
  --glass-bg:     rgba(0,229,255,0.04);
  --glass-border: rgba(0,229,255,0.15);
  --glass-shadow: 0 8px 48px rgba(0,0,0,0.6),
                  0 0 0 1px rgba(0,229,255,0.06) inset;
  --glass-blur:   blur(28px) saturate(180%);

  /* Tipografía */
  --font-display: 'Source Serif 4', Georgia, serif;
  --font-body:    'IBM Plex Sans', 'Helvetica Neue', sans-serif;

  /* Espaciados */
  --space-xs:  0.4rem;
  --space-sm:  0.75rem;
  --space-md:  1.25rem;
  --space-lg:  2rem;
  --space-xl:  3.5rem;
  --space-2xl: 6rem;

  /* Radios */
  --r-sm:   8px;
  --r-md:   14px;
  --r-lg:   22px;
  --r-xl:   32px;
  --r-pill: 999px;

  /* Transiciones */
  --ease:   cubic-bezier(0.22, 0.68, 0, 1.2);
  --t-fast: 0.18s;
  --t-med:  0.32s;

  --max-w: 1140px;
}


/* ============================================================
   RESET
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
::selection { background: var(--cyan); color: #000; }


/* ============================================================
   BODY — Fondo con rejilla digital + auroras de color
   La rejilla CSS da profundidad de "espacio digital".
   Los gradientes radiales simulan auroras boreales.
============================================================ */
body {
  background-color: var(--bg-base);
  color: var(--grey-100);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;

  background-image:
    /* Aurora cian superior izquierda */
    radial-gradient(ellipse 70% 40% at 15% 0%,   rgba(0,188,212,0.13) 0%, transparent 60%),
    /* Aurora violeta superior derecha */
    radial-gradient(ellipse 60% 35% at 85% 5%,   rgba(124,77,255,0.10) 0%, transparent 55%),
    /* Aurora cian inferior derecha */
    radial-gradient(ellipse 50% 30% at 90% 95%,  rgba(0,229,255,0.08) 0%, transparent 60%),
    /* Rejilla vertical */
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 79px,
      rgba(0,229,255,0.028) 80px
    ),
    /* Rejilla horizontal */
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 79px,
      rgba(0,229,255,0.028) 80px
    );

  background-attachment: fixed;
}


/* ============================================================
   CONTENEDOR
============================================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}


/* ============================================================
   BARRA DE BUSQUEDA FLOTANTE
============================================================ */
.search-trigger {
  position: fixed;
  bottom: 5.5rem;
  right: 1.75rem;
  z-index: 1000;
  width: 50px;
  height: 50px;
  border-radius: var(--r-pill);
  border: 1px solid var(--cyan-border);
  background: rgba(0,229,255,0.07);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--cyan);
  font-size: 1.2rem;
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--cyan-glow), var(--glass-shadow);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast);
}

.search-trigger:hover {
  transform: scale(1.1);
  box-shadow: 0 0 40px rgba(0,229,255,0.35), var(--glass-shadow);
}

.search-panel {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -54%) scale(0.95);
  z-index: 2000;
  width: min(540px, 92vw);
  background: rgba(4,6,10,0.88);
  backdrop-filter: blur(48px) saturate(200%);
  -webkit-backdrop-filter: blur(48px) saturate(200%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  box-shadow:
    0 40px 100px rgba(0,0,0,0.7),
    0 0 0 1px rgba(0,229,255,0.06) inset,
    0 0 80px rgba(0,229,255,0.08);
  padding: 1.75rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}

.search-panel.open {
  opacity: 1;
  pointer-events: all;
  transform: translate(-50%, -50%) scale(1);
}

.search-panel input[type="text"] {
  width: 100%;
  background: rgba(0,229,255,0.05);
  border: 1px solid var(--cyan-border);
  border-radius: var(--r-md);
  padding: 0.9rem 1.2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--white);
  outline: none;
  caret-color: var(--cyan);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.search-panel input[type="text"]::placeholder { color: var(--grey-400); }

.search-panel input[type="text"]:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.14), 0 0 24px rgba(0,229,255,0.08);
}

.search-label {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-deep);
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: block;
}

.search-results {
  margin-top: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  max-height: 260px;
  overflow-y: auto;
}

.search-result-item {
  padding: 0.65rem 1rem;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  color: var(--grey-200);
  cursor: none;
  border: 1px solid transparent;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.search-result-item:hover {
  background: rgba(0,229,255,0.08);
  border-color: var(--cyan-border);
  color: var(--cyan);
}

.search-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--grey-400);
  font-size: 1.1rem;
  cursor: none;
  transition: color var(--t-fast);
  line-height: 1;
}

.search-close:hover { color: var(--white); }

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 1999;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med);
}

.search-overlay.open { opacity: 1; pointer-events: all; }


/* ============================================================
   HEADER — Barra con borde inferior neon degradado
============================================================ */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  background: rgba(4,6,10,0.80);
  backdrop-filter: blur(32px) saturate(200%);
  -webkit-backdrop-filter: blur(32px) saturate(200%);
  /* Borde inferior con gradiente neon cian a violeta */
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(90deg, transparent 0%, var(--cyan) 40%, var(--violet) 70%, transparent 100%) 1;
  box-shadow: 0 0 40px rgba(0,229,255,0.06);
  transition: background var(--t-med);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

/* Logo: punto pulsante + wordmark en mayusculas */
.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-area::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan), 0 0 30px rgba(0,229,255,0.5);
  flex-shrink: 0;
  animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 14px var(--cyan), 0 0 30px rgba(0,229,255,0.5); }
  50%       { box-shadow: 0 0 24px var(--cyan), 0 0 55px rgba(0,229,255,0.7); }
}

.logo-tag { display: none; }

.site-title {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}


/* ============================================================
   MENU DE NAVEGACION
============================================================ */
.nav-list {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.nav-list > li { position: relative; }

.nav-list > li > a {
  display: block;
  padding: 0.45rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--grey-200);
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color var(--t-fast), background var(--t-fast),
              border-color var(--t-fast), box-shadow var(--t-fast);
}

.nav-list > li > a:hover {
  color: var(--cyan);
  background: rgba(0,229,255,0.07);
  border-color: var(--cyan-border);
  box-shadow: 0 0 14px rgba(0,229,255,0.12);
}

.nav-list > li > a.active {
  color: var(--cyan);
  background: rgba(0,229,255,0.10);
  border-color: var(--cyan-border);
  box-shadow: 0 0 18px rgba(0,229,255,0.15);
}


/* ============================================================
   SUBMENU DESPLEGABLE
============================================================ */
.has-dropdown { position: relative; }

.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 160px;
  background: rgba(4,6,10,0.94);
  backdrop-filter: blur(36px) saturate(180%);
  -webkit-backdrop-filter: blur(36px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 30px rgba(0,229,255,0.06);
  padding: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.has-dropdown:hover .dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.dropdown li a {
  display: block;
  padding: 0.55rem 1rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--grey-200);
  border-radius: var(--r-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background var(--t-fast), color var(--t-fast);
}

.dropdown li a:hover {
  background: rgba(0,229,255,0.10);
  color: var(--cyan);
}


/* ============================================================
   HERO — Portada con titulo gigante y gradiente de texto
============================================================ */
.hero {
  padding: calc(68px + var(--space-2xl)) var(--space-lg) var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Aurora principal detras del contenido */
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background:
    radial-gradient(ellipse 60% 50% at 40% 50%, rgba(0,229,255,0.10) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 65% 40%, rgba(124,77,255,0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Linea brillante horizontal al pie del hero */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
  box-shadow: 0 0 20px rgba(0,229,255,0.3);
}

.hero .container { position: relative; z-index: 1; }

.hero-label {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 700;
  margin-bottom: var(--space-md);
  animation: fadeUp 0.7s var(--ease) both;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-color: rgba(0,229,255,0.4);
  text-underline-offset: 6px;
}

/* Titulo con gradiente blanco → cian → violeta */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeUp 0.7s 0.1s var(--ease) both;
  background: linear-gradient(135deg, #ffffff 40%, #00e5ff 75%, #7c4dff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text {
  font-size: 1.05rem;
  color: var(--grey-200);
  max-width: 580px;
  margin: 0 auto var(--space-xl);
  line-height: 1.85;
  animation: fadeUp 0.7s 0.2s var(--ease) both;
}

/* Boton principal con degradado y glow doble */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  background: linear-gradient(135deg, rgba(0,229,255,0.15), rgba(124,77,255,0.12));
  border: 1px solid var(--cyan-border);
  border-radius: var(--r-pill);
  color: var(--cyan);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  box-shadow: 0 0 30px rgba(0,229,255,0.15), 0 0 60px rgba(124,77,255,0.08);
  transition: background var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast) var(--ease);
  animation: fadeUp 0.7s 0.3s var(--ease) both;
}

.btn-primary:hover {
  background: linear-gradient(135deg, rgba(0,229,255,0.25), rgba(124,77,255,0.20));
  box-shadow: 0 0 50px rgba(0,229,255,0.28), 0 0 80px rgba(124,77,255,0.15);
  transform: translateY(-3px) scale(1.02);
}


/* ============================================================
   SECCIONES GENERALES
============================================================ */
.section-block {
  padding: var(--space-2xl) 0;
  border-top: 1px solid rgba(0,229,255,0.06);
}

.alt-bg {
  background: rgba(0,229,255,0.02);
  position: relative;
}

.alt-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-border), rgba(124,77,255,0.2), transparent);
  box-shadow: 0 0 12px rgba(0,229,255,0.15);
}


/* ============================================================
   ENCABEZADO DE SECCION
============================================================ */
.section-header {
  margin-bottom: var(--space-xl);
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 700;
  border: 1px solid var(--cyan-border);
  padding: 0.28rem 1rem;
  border-radius: var(--r-pill);
  margin-bottom: var(--space-sm);
  background: rgba(0,229,255,0.06);
  box-shadow: 0 0 16px rgba(0,229,255,0.10);
}

/* H2 con gradiente blanco a cian */
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
  background: linear-gradient(120deg, var(--white) 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-intro {
  font-size: 1rem;
  color: var(--grey-200);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.85;
}


/* ============================================================
   GRILLA DE DOS COLUMNAS
============================================================ */
.content-grid { display: grid; gap: var(--space-xl); }
.two-col { grid-template-columns: 1fr 1fr; align-items: start; }

.text-block p {
  color: var(--grey-200);
  margin-bottom: var(--space-md);
  font-size: 0.97rem;
  line-height: 1.9;
}
.text-block p:last-child { margin-bottom: 0; }


/* ============================================================
   CUADRO DESTACADO — Borde izquierdo con gradiente cian/violeta
============================================================ */
.highlight-box {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--space-lg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow), 0 0 40px rgba(0,229,255,0.05);
  position: relative;
  overflow: hidden;
}

.highlight-box::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10%;
  bottom: 10%;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--cyan), var(--violet), transparent);
  box-shadow: 0 0 12px var(--cyan);
  border-radius: 1px;
}

.highlight-box::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0,229,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.highlight-box h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: var(--space-md);
  font-weight: 700;
}

.icon-list li {
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(0,229,255,0.07);
  font-size: 0.88rem;
  color: var(--grey-200);
  padding-left: 1.3rem;
  position: relative;
}

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

.icon-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}


/* ============================================================
   TARJETAS DE INFORMACION
============================================================ */
.cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.info-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--space-lg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med) var(--ease),
              border-color var(--t-med),
              box-shadow var(--t-med);
}

/* Brillo esquina superior derecha */
.info-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  background: radial-gradient(circle at top right, rgba(0,229,255,0.12) 0%, transparent 70%);
  transition: opacity var(--t-med);
}

/* Linea inferior de acento al hover */
.info-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 15%; right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-border), transparent);
  opacity: 0;
  transition: opacity var(--t-med);
}

.info-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan-border);
  box-shadow: var(--glass-shadow),
              0 16px 50px rgba(0,229,255,0.12),
              0 0 0 1px rgba(0,229,255,0.08) inset;
}

.info-card:hover::after { opacity: 1; }

.card-label {
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.info-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.info-card p {
  font-size: 0.88rem;
  color: var(--grey-200);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.card-link {
  font-size: 0.75rem;
  color: var(--cyan);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(0,229,255,0.35);
  padding-bottom: 1px;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.card-link:hover {
  color: var(--white);
  border-color: var(--white);
}


/* ============================================================
   CHECKLIST
============================================================ */
.checklist-box {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--space-lg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
}

.checklist-box h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: var(--space-md);
  font-weight: 700;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(0,229,255,0.06);
  font-size: 0.88rem;
  color: var(--grey-200);
}

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

.check-mark {
  color: var(--cyan);
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 2px;
  text-shadow: 0 0 8px var(--cyan);
}


/* ============================================================
   TABLA DE DATOS
============================================================ */
.table-wrapper { margin-top: var(--space-xl); overflow-x: auto; }

.table-wrapper h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: var(--space-md);
  font-weight: 700;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table thead th {
  text-align: left;
  padding: 1rem 1.2rem;
  background: rgba(0,229,255,0.08);
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--cyan-border);
}

.data-table tbody td {
  padding: 0.9rem 1.2rem;
  color: var(--grey-200);
  border-bottom: 1px solid rgba(0,229,255,0.05);
  vertical-align: middle;
}

.data-table tbody tr { transition: background var(--t-fast); }
.data-table tbody tr:hover { background: rgba(0,229,255,0.04); }
.data-table tbody tr:last-child td { border-bottom: none; }


/* ============================================================
   PASOS DEL PROCESO CORRECTIVO
============================================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.step-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--space-lg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med) var(--ease), border-color var(--t-med), box-shadow var(--t-med);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-border);
  box-shadow: var(--glass-shadow), 0 12px 40px rgba(0,229,255,0.10);
}

/* Numero de fondo con gradiente visible */
.step-number {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(0,229,255,0.10), rgba(124,77,255,0.06));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: absolute;
  top: -16px; right: 14px;
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

.step-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
  position: relative; z-index: 1;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--grey-200);
  line-height: 1.85;
  position: relative; z-index: 1;
}


/* ============================================================
   CONCEPTOS RTO / RPO
============================================================ */
.concept-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.concept-card {
  background: rgba(0,229,255,0.04);
  border: 1px solid var(--cyan-border);
  border-radius: var(--r-lg);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: background var(--t-fast), box-shadow var(--t-fast);
}

.concept-card::before {
  content: '';
  position: absolute;
  top: -60px; left: -60px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(0,229,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.concept-card:hover {
  background: rgba(0,229,255,0.08);
  box-shadow: 0 0 40px rgba(0,229,255,0.08);
}

/* Sigla con gradiente cian a violeta */
.concept-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.concept-full {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--grey-400);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.concept-card p:last-child {
  font-size: 0.9rem;
  color: var(--grey-200);
  line-height: 1.85;
}


/* ============================================================
   NORMAS ISO
============================================================ */
.iso-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.iso-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--space-lg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med) var(--ease),
              border-color var(--t-med),
              box-shadow var(--t-med);
}

/* Linea superior que aparece en hover — gradiente cian a violeta */
.iso-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  opacity: 0;
  transition: opacity var(--t-med);
}

.iso-card:hover {
  transform: translateY(-5px);
  border-color: var(--cyan-border);
  box-shadow: var(--glass-shadow), 0 14px 45px rgba(0,229,255,0.12);
}

.iso-card:hover::after { opacity: 1; }

.iso-code {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.22);
  border-radius: var(--r-pill);
  padding: 0.22rem 0.8rem;
  display: inline-block;
  margin-bottom: var(--space-sm);
  box-shadow: 0 0 12px rgba(0,229,255,0.10);
}

.iso-card h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.iso-card p {
  font-size: 0.88rem;
  color: var(--grey-200);
  line-height: 1.85;
}


/* ============================================================
   LISTA NUMERADA ITIL
============================================================ */
.numbered-list {
  list-style: none;
  counter-reset: step-counter;
}

.numbered-list li {
  counter-increment: step-counter;
  display: flex;
  gap: var(--space-sm);
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(0,229,255,0.07);
  font-size: 0.88rem;
  color: var(--grey-200);
  line-height: 1.65;
}

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

.numbered-list li::before {
  content: counter(step-counter, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0,229,255,0.6);
  flex-shrink: 0;
  margin-top: 2px;
  min-width: 24px;
}

.numbered-list li strong { color: var(--white); }


/* ============================================================
   CONCLUSION
============================================================ */
.conclusion-section {
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(0,229,255,0.03) 60%,
    rgba(124,77,255,0.03) 100%);
}

.conclusion-content {
  max-width: 760px;
  margin: 0 auto;
}

.conclusion-content p {
  font-size: 1rem;
  color: var(--grey-200);
  line-height: 1.95;
  margin-bottom: var(--space-md);
}

/* Cita final con borde cian y fondo degradado */
.final-quote {
  margin-top: var(--space-xl);
  padding: var(--space-lg) var(--space-xl);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(135deg, rgba(0,229,255,0.05), rgba(124,77,255,0.04));
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--white);
  line-height: 1.75;
  position: relative;
  box-shadow: 0 0 40px rgba(0,229,255,0.06);
}

.final-quote::before {
  content: '\201C';
  font-size: 5rem;
  line-height: 0;
  position: absolute;
  top: 1.8rem; left: 1.2rem;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-display);
  opacity: 0.4;
}


/* ============================================================
   FOOTER
============================================================ */
.site-footer {
  background: rgba(4,6,10,0.95);
  border-top: 1px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--cyan-border), rgba(124,77,255,0.3), transparent) 1;
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-col h4 {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  text-shadow: 0 0 12px rgba(0,229,255,0.3);
}

.footer-col p {
  font-size: 0.88rem;
  color: var(--grey-400);
  line-height: 1.8;
}

.footer-year {
  margin-top: 0.5rem;
  color: var(--grey-600) !important;
  font-size: 0.8rem !important;
}

.footer-list li {
  font-size: 0.85rem;
  color: var(--grey-400);
  padding: 0.3rem 0;
  border-bottom: 1px solid rgba(0,229,255,0.05);
}

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

.footer-bottom {
  border-top: 1px solid rgba(0,229,255,0.06);
  padding-top: var(--space-md);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--grey-600);
}


/* ============================================================
   BOTON VOLVER ARRIBA
============================================================ */
.back-to-top {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 999;
  width: 50px;
  height: 50px;
  border-radius: var(--r-pill);
  background: rgba(0,229,255,0.07);
  border: 1px solid var(--cyan-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: 0 0 20px rgba(0,229,255,0.12), var(--glass-shadow);
  color: var(--cyan);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--t-med) var(--ease),
              transform var(--t-med) var(--ease),
              box-shadow var(--t-fast);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.back-to-top:hover {
  box-shadow: 0 0 40px rgba(0,229,255,0.28), var(--glass-shadow);
}


/* ============================================================
   ANIMACIONES
============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 28px rgba(0,229,255,0.15); }
  50%       { box-shadow: 0 0 55px rgba(0,229,255,0.30),
                          0 0 80px rgba(124,77,255,0.12); }
}

.btn-primary {
  animation: fadeUp 0.7s 0.3s var(--ease) both,
             pulse 3.5s 1s ease-in-out infinite;
}


/* ============================================================
   RESPONSIVIDAD
============================================================ */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .two-col, .concept-row, .iso-grid, .steps-grid { grid-template-columns: 1fr; }
  .cards-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .container { padding: 0 var(--space-md); }
  .cards-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .final-quote { padding: var(--space-md) var(--space-lg); }
  .section-block { padding: var(--space-xl) 0; }
  .hero { padding-bottom: var(--space-xl); }
}