/* ============================================================
   ILUSTRARTE — OSCURO.CSS — CYBERPUNK 2077 EDITION
   Paleta: Verde neón + Negro profundo
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@400;600;700&display=swap');

/* ── Variables globales ── */
:root {
  --verde:       #00ff88;
  --verde-dim:   #00cc66;
  --verde-glow:  #00ff8866;
  --verde-dark:  #003d22;
  --negro:       #000000;
  --negro-soft:  #080f0a;
  --negro-card:  #0b1a10;
  --cyan:        #00f7ff;
  --cyan-glow:   #00f7ff55;
  --amarillo:    #f9f002;
  --blanco:      #e0ffe8;
  --gris:        #1a2e1f;
  --font-title:  'Orbitron', monospace;
  --font-body:   'Rajdhani', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--negro);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, #00ff8818 0%, transparent 60%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0,255,136,0.015) 2px,
      rgba(0,255,136,0.015) 4px
    );
  color: var(--blanco);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Cursor cyberpunk (vía JS — ver abajo) ── */
.cyber-cursor {
  position: fixed;
  pointer-events: none;
  z-index: 999999;
  top: 0; left: 0;
  transform: translate(-50%, -50%);
}

.cyber-cursor-outer {
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--verde);
  border-radius: 50%;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px var(--verde), 0 0 20px var(--verde-glow);
  animation: cursorRing 2s ease-in-out infinite;
  transition: width 0.15s ease, height 0.15s ease, border-color 0.15s ease;
}

.cyber-cursor-dot {
  width: 5px;
  height: 5px;
  background: var(--verde);
  border-radius: 50%;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 8px var(--verde);
}

/* Líneas de mira */
.cyber-cursor-cross::before,
.cyber-cursor-cross::after {
  content: '';
  position: absolute;
  background: var(--verde);
  opacity: 0.5;
  top: 50%; left: 50%;
}
.cyber-cursor-cross::before {
  width: 12px; height: 1px;
  transform: translate(-50%, -50%);
}
.cyber-cursor-cross::after {
  width: 1px; height: 12px;
  transform: translate(-50%, -50%);
}

.cyber-cursor-cross {
  width: 0; height: 0;
  position: absolute;
  top: 50%; left: 50%;
}

@keyframes cursorRing {
  0%, 100% { box-shadow: 0 0 8px var(--verde), 0 0 16px var(--verde-glow); opacity: 0.9; }
  50% { box-shadow: 0 0 18px var(--verde), 0 0 36px var(--verde-glow); opacity: 1; }
}

/* Estado hover del cursor */
body.cursor-hover .cyber-cursor-outer {
  width: 42px;
  height: 42px;
  border-color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan), 0 0 40px var(--cyan-glow);
}

/* ── Línea de escaneo (scanline overlay) ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.08) 3px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
  z-index: 99998;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--negro); }
::-webkit-scrollbar-thumb {
  background: var(--verde-dim);
  border-radius: 3px;
  box-shadow: 0 0 8px var(--verde);
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  position: fixed;
  left: -340px;
  top: 0;
  width: 300px;
  height: 100%;
  background: linear-gradient(180deg, #020f06 0%, #000d04 100%);
  border-right: 1px solid var(--verde);
  box-shadow: 4px 0 40px var(--verde-glow), 8px 0 80px rgba(0,255,136,0.08);
  transition: left 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  z-index: 10000;
  padding: 30px 20px;
  overflow: hidden;
}

/* Decoración esquina sidebar */
.sidebar::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, transparent, var(--verde), transparent);
  animation: scanTop 3s linear infinite;
}

.sidebar::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 18px,
    rgba(0,255,136,0.015) 18px,
    rgba(0,255,136,0.015) 19px
  );
  pointer-events: none;
}

@keyframes scanTop {
  0% { transform: scaleX(0); transform-origin: left; }
  50% { transform: scaleX(1); transform-origin: left; }
  50.01% { transform: scaleX(1); transform-origin: right; }
  100% { transform: scaleX(0); transform-origin: right; }
}

.sidebar.active { left: 0; }

.sidebar h3 {
  font-family: var(--font-title);
  color: var(--verde);
  font-size: 0.85rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 30px;
  text-align: center;
  text-shadow: 0 0 12px var(--verde);
  position: relative;
  padding-bottom: 15px;
}

.sidebar h3::after {
  content: '';
  position: absolute;
  bottom: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--verde), transparent);
}

.sidebar-menu { list-style: none; }

.sidebar-menu li { margin: 10px 0; }

.sidebar-menu a {
  font-family: var(--font-body);
  color: #aad4bb;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid transparent;
  border-left: 2px solid rgba(0,255,136,0.2);
  background: rgba(0,255,136,0.03);
  border-radius: 4px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.sidebar-menu a::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  height: 100%; width: 0;
  background: rgba(0,255,136,0.08);
  transition: width 0.3s ease;
}

.sidebar-menu a:hover::before { width: 100%; }

.sidebar-menu a:hover {
  color: var(--verde);
  border-left-color: var(--verde);
  border-color: rgba(0,255,136,0.3);
  text-shadow: 0 0 8px var(--verde);
  transform: translateX(6px);
  box-shadow: inset 0 0 20px rgba(0,255,136,0.05), 0 0 15px rgba(0,255,136,0.1);
}

/* ── Botón toggle sidebar ── */
.sidebar-toggle {
  position: fixed;
  left: 20px;
  top: 20px;
  width: 48px;
  height: 48px;
  background: rgba(0,255,136,0.05);
  border: 1px solid var(--verde);
  border-radius: 4px;
  cursor: none;
  z-index: 10001;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  box-shadow: 0 0 20px var(--verde-glow), inset 0 0 20px rgba(0,255,136,0.03);
  transition: all 0.3s ease;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.sidebar-toggle:hover {
  background: rgba(0,255,136,0.12);
  box-shadow: 0 0 30px var(--verde), 0 0 60px var(--verde-glow), inset 0 0 20px rgba(0,255,136,0.08);
  transform: scale(1.08);
}

.sidebar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--verde);
  box-shadow: 0 0 6px var(--verde);
  border-radius: 1px;
  transition: 0.3s;
}

/* ============================================================
   LOGO
   ============================================================ */
.logo {
  position: fixed;
  top: 18px;
  right: 20px;
  z-index: 9000;
}

.logo img {
  width: 70px;
  height: auto;
  border: 1px solid var(--verde);
  border-radius: 6px;
  box-shadow: 0 0 16px var(--verde-glow), 0 0 32px rgba(0,255,136,0.1);
  background: rgba(0,20,10,0.8);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: all 0.3s ease;
}

.logo img:hover {
  box-shadow: 0 0 30px var(--verde), 0 0 60px var(--verde-glow);
}

/* ============================================================
   HEADER / TÍTULO
   ============================================================ */
h1 {
  font-family: var(--font-title);
  text-align: center;
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--verde);
  margin-top: 90px;
  padding: 0 20px;
  letter-spacing: 8px;
  text-transform: uppercase;
  text-shadow:
    0 0 10px var(--verde),
    0 0 30px var(--verde-glow),
    0 0 60px rgba(0,255,136,0.2);
  position: relative;
  animation: glitchTitle 8s infinite;
}

@keyframes glitchTitle {
  0%, 87%, 89%, 91%, 100% {
    text-shadow:
      0 0 10px var(--verde),
      0 0 30px var(--verde-glow),
      0 0 60px rgba(0,255,136,0.2);
    transform: translate(0);
    clip-path: none;
  }
  88% {
    text-shadow:
      -3px 0 var(--cyan),
      3px 0 #ff0066,
      0 0 20px var(--verde);
    transform: translate(-2px, 0);
  }
  90% {
    text-shadow:
      3px 0 var(--cyan),
      -3px 0 #ff0066,
      0 0 20px var(--verde);
    transform: translate(2px, 0);
  }
}

h1::before {
  content: 'ILUSTRARTE';
  position: absolute;
  inset: 0;
  color: transparent;
  background: linear-gradient(90deg, var(--verde), var(--cyan), var(--verde));
  -webkit-background-clip: text;
  background-clip: text;
  animation: glitchClip 8s infinite;
  pointer-events: none;
}

@keyframes glitchClip {
  0%, 87.5%, 100% { clip-path: none; opacity: 0; }
  88%, 90% {
    clip-path: polygon(0 30%, 100% 30%, 100% 50%, 0 50%);
    opacity: 0.6;
    transform: translate(4px, 0);
  }
}

h1::after {
  content: '';
  display: block;
  width: 300px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--verde), var(--cyan), var(--verde), transparent);
  margin: 16px auto 0;
  box-shadow: 0 0 12px var(--verde), 0 0 24px var(--verde-glow);
  animation: lineGlow 2s ease-in-out infinite alternate;
}

@keyframes lineGlow {
  from { box-shadow: 0 0 8px var(--verde), 0 0 20px var(--verde-glow); }
  to   { box-shadow: 0 0 20px var(--verde), 0 0 40px var(--verde-glow), 0 0 60px rgba(0,255,136,0.15); }
}

/* Subtítulo */
p {
  font-family: var(--font-body);
  text-align: center;
  font-size: 0.85rem;
  color: #5aff9a88;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin: 8px 0 28px;
}

/* ============================================================
   NAVEGACIÓN — BOTONES AÑO
   ============================================================ */
.navegacion {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin: 24px 0 40px;
  flex-wrap: wrap;
}

.boton-cyberpunk {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--verde);
  padding: 16px 48px;
  background: rgba(0,255,136,0.03);
  border: 1px solid var(--verde);
  position: relative;
  overflow: hidden;
  display: inline-block;
  clip-path: polygon(14px 0%, 100% 0%, calc(100% - 14px) 100%, 0% 100%);
  animation: btnGlitchIdle 6s infinite;
}

/* Esquinas de mira */
.boton-cyberpunk::before {
  content: '';
  position: absolute;
  inset: -1px;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--negro-card), var(--negro-card)) padding-box,
    linear-gradient(90deg, var(--verde), var(--cyan), var(--verde)) border-box;
  clip-path: polygon(14px 0%, 100% 0%, calc(100% - 14px) 100%, 0% 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* Barrido de luz */
.boton-cyberpunk::after {
  content: '';
  position: absolute;
  top: 0; left: -80%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0,255,136,0.25),
    rgba(0,247,255,0.15),
    transparent
  );
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}

.boton-cyberpunk:hover::before { opacity: 1; }
.boton-cyberpunk:hover::after  { left: 130%; }

.boton-cyberpunk:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow:
    0 0 20px rgba(0,247,255,0.4),
    0 0 60px rgba(0,255,136,0.15),
    inset 0 0 30px rgba(0,255,136,0.05);
  animation: btnGlitchHover 0.4s steps(1) infinite;
}

.boton-cyberpunk:active {
  transform: scale(0.96);
  box-shadow: 0 0 10px var(--verde);
}

/* Glitch idle sutil en reposo */
@keyframes btnGlitchIdle {
  0%, 90%, 100% {
    text-shadow: 0 0 8px var(--verde-glow);
    transform: translate(0);
    filter: none;
  }
  91% {
    text-shadow: -2px 0 var(--cyan), 2px 0 #ff0066;
    transform: translate(-1px, 0);
    filter: brightness(1.4);
  }
  92% {
    text-shadow: 2px 0 var(--cyan), -2px 0 #ff0066;
    transform: translate(2px, 0);
    clip-path: polygon(14px 0%, 100% 0%, calc(100% - 14px) 48%, 0% 48%);
  }
  93% {
    text-shadow: 0 0 8px var(--verde-glow);
    transform: translate(0);
    clip-path: polygon(14px 0%, 100% 0%, calc(100% - 14px) 100%, 0% 100%);
    filter: none;
  }
}

/* Glitch intenso en hover */
@keyframes btnGlitchHover {
  0%  {
    text-shadow: -2px 0 var(--cyan), 2px 0 #ff0055, 0 0 12px var(--verde);
    transform: translate(-1px, 0);
  }
  25% {
    text-shadow: 3px 0 #ff0055, -3px 0 var(--cyan), 0 0 8px var(--verde);
    transform: translate(2px, -1px);
  }
  50% {
    text-shadow: -1px 0 var(--verde), 1px 0 var(--cyan), 0 0 20px var(--cyan);
    transform: translate(0, 1px);
    clip-path: polygon(14px 0%, 100% 0%, calc(100% - 14px) 55%, 0% 55%);
  }
  75% {
    text-shadow: 2px 0 #ff0055, 0 0 15px var(--verde);
    transform: translate(-2px, 0);
    clip-path: polygon(14px 45%, 100% 45%, calc(100% - 14px) 100%, 0% 100%);
  }
  100% {
    text-shadow: 0 0 12px var(--cyan), -2px 0 var(--verde);
    transform: translate(1px, 0);
    clip-path: polygon(14px 0%, 100% 0%, calc(100% - 14px) 100%, 0% 100%);
  }
}

/* ============================================================
   GRID DE SECCIONES
   ============================================================ */
.container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 860px;
  margin: 0 auto;
  padding: 20px 30px 60px;
}

.seccion {
  background: var(--negro-card);
  border: 1px solid rgba(0,255,136,0.2);
  border-radius: 0;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 4px 20px rgba(0,0,0,0.6), inset 0 0 30px rgba(0,255,136,0.02);
  text-decoration: none;
  display: block;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

/* Línea superior neón */
.seccion::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--verde), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

/* Overlay glitch en hover */
.seccion::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,255,136,0.04) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
  pointer-events: none;
}

.seccion:hover {
  border-color: var(--verde);
  box-shadow:
    0 0 0 1px var(--verde),
    0 0 30px var(--verde-glow),
    0 8px 40px rgba(0,0,0,0.8),
    inset 0 0 30px rgba(0,255,136,0.04);
  transform: translateY(-6px) scale(1.01);
}

.seccion:hover::before { opacity: 1; }
.seccion:hover::after  { opacity: 1; }

.seccion img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease, filter 0.3s ease;
  filter: brightness(0.85) saturate(0.9);
}

.seccion:hover img {
  transform: scale(1.06);
  filter: brightness(1) saturate(1.1);
}

.seccion h2 {
  font-family: var(--font-title);
  font-size: 0.68rem;
  letter-spacing: 2.5px;
  text-align: center;
  text-transform: uppercase;
  color: var(--verde);
  background: rgba(0,10,5,0.95);
  border-top: 1px solid rgba(0,255,136,0.2);
  padding: 12px 10px;
  margin: 0;
  text-shadow: 0 0 8px var(--verde-glow);
  transition: all 0.3s ease;
  position: relative;
  z-index: 3;
}

.seccion:hover h2 {
  color: var(--negro);
  background: var(--verde);
  text-shadow: none;
  border-top-color: var(--verde);
  letter-spacing: 3px;
}

/* ============================================================
   BINARIO / MATRIX HACKER — manejado por JS (hacker.js)
   Las columnas se generan dinámicamente, el CSS solo las estiliza
   ============================================================ */

/* Contenedor wrapper que cubre los laterales */
#matrixCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 500;
  opacity: 0.55;
}

/* Fallback CSS por si el canvas no carga */
.binario {
  position: fixed;
  top: 0; bottom: 0;
  width: 70px;
  pointer-events: none;
  z-index: 500;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.binario.left  { left: 0; }
.binario.right { right: 0; }

.binario span {
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  font-weight: bold;
  color: rgba(0,255,136,0.22);
  text-shadow: 0 0 8px rgba(0,255,136,0.5);
  display: block;
  line-height: 1.6rem;
  animation: scrollBinario 5s linear infinite;
  white-space: nowrap;
  letter-spacing: 1px;
}

.binario span:nth-child(2) { animation-delay: -1.3s; animation-duration: 6.5s; color: rgba(0,247,255,0.18); }
.binario span:nth-child(3) { animation-delay: -2.7s; animation-duration: 4.2s; }
.binario span:nth-child(4) { animation-delay: -4s;   animation-duration: 7.8s; color: rgba(0,255,136,0.12); }

@keyframes scrollBinario {
  0%   { transform: translateY(-110vh); opacity: 0; }
  4%   { opacity: 1; }
  96%  { opacity: 1; }
  100% { transform: translateY(110vh);  opacity: 0; }
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: rgba(0,8,3,0.95);
  border-top: 1px solid rgba(0,255,136,0.2);
  padding: 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--verde), transparent);
  box-shadow: 0 0 12px var(--verde);
}

footer p {
  font-family: var(--font-title);
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: rgba(0,255,136,0.4) !important;
  text-transform: uppercase;
  margin: 0;
}

/* ============================================================
   SELECCIÓN DE TEXTO
   ============================================================ */
::selection {
  background: var(--verde);
  color: var(--negro);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
    padding: 15px;
  }

  h1 { font-size: 1.8rem; letter-spacing: 4px; }

  .logo {
    position: fixed;
    top: 14px;
    right: 14px;
    left: auto;
  }

  .logo img { width: 52px; }

  .binario { z-index: 0; opacity: 0.4; }

  .container, h1, p, .navegacion, footer {
    position: relative;
    z-index: 10;
  }

  .sidebar   { z-index: 9999; }
  .sidebar-toggle { z-index: 10001; }

  .boton-cyberpunk {
    padding: 12px 28px;
    font-size: 0.75rem;
  }
}