/* ===========================
   LOGOS
=========================== */

/* Logo principal */
.logo {
  width: 52px;
  height: auto;
  vertical-align: middle;
  margin-right: 10px;
  filter: drop-shadow(2px 2px 0 #ff0033) drop-shadow(-2px -2px 0 #00d26a);
  transition: transform 0.25s ease, filter 0.25s ease;
  cursor: pointer;
}

/* Efecto hover retro tipo glitch */
.logo:hover {
  transform: scale(1.1) rotate(-2deg);
  filter: drop-shadow(0 0 6px #00ffcc) contrast(1.2);
}

/* Logo mini del footer */
.logo-mini {
  width: 20px;
  height: auto;
  vertical-align: middle;
  filter: drop-shadow(1px 1px 0 #ff0033) drop-shadow(-1px -1px 0 #00d26a);
  transition: transform 0.3s ease;
}

.logo-mini:hover {
  transform: scale(1.2) rotate(3deg);
}

/* ===========================
   ESTRUCTURA GENERAL
=========================== */

body {
  position: relative;
  z-index: 0;
  background: none; /* se usa solo el before */
  overflow-x: hidden; /* evita scroll horizontal */
  overflow-y: hidden; /* evita scroll vertical al rotar */
}

body::before {
  content: "";
  position: fixed;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 200%;
  background: url("../assets/bkg.png") 0 0 repeat;
  background-size: repeat;
  transform: translate(-50%, -50%) rotate(var(--bg-rotation, 45deg));
  z-index: -1;
  pointer-events: none;
}

header, main, footer {
  z-index: 10; /* asegura que estén arriba de las figuras */
}

/* ===========================
   HEADER / TOP BAR
=========================== */

.top-bar {
  background: #0073ff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 40px;
  border-bottom: 4px solid #ffef00;
  position: relative;
  z-index: 1000;
}

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

.brand-logo {
  height: 48px;
  width: auto;
  filter: drop-shadow(2px 2px 0 #000);
  transform: translateY(2px); /* pequeño ajuste óptico */
}

.top-bar h1 {
  font-size: 1.8rem;
  color: #fff;
  margin: 0;
  font-weight: 800;
  letter-spacing: 1px;
}

/* ===========================
   NAVEGACIÓN Y CONTROLES
=========================== */

.top-bar nav a {
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  margin: 0 5px;
  transition: color 0.2s;
}

.top-bar nav a:hover {
  color: #ffef00;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: 12px;
}

#lang-select {
  padding: 4px 6px;
  border: 2px solid #000;
  background: #fff;
}

#theme-toggle {
  background: #ffef00;
  border: 2px solid #000;
  font-weight: bold;
  padding: 4px 10px;
  cursor: pointer;
  box-shadow: 3px 3px 0 #000;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

#theme-toggle:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 #000;
}




/* === FUTURE PRESENTATION CRT EFFECT === */
.future-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  background: #000;
  color: #00ffcc;
  font-family: 'Courier New', monospace;
  overflow: hidden;
  border: 3px solid #00c87a;
  box-shadow: 0 0 12px #00ffcc;
  animation: crtPowerOn 1.2s ease-out;
  position: relative;
}

.future-container::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 255, 200, 0.05) 0px,
    rgba(0, 255, 200, 0.05) 2px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0) 4px
  );
  mix-blend-mode: screen;
  opacity: 0.3;
  pointer-events: none;
}

.future-title {
  font-size: 2rem;
  color: #ffeb00;
  text-shadow: 0 0 10px #00ffcc;
  opacity: 0;
  transform: translateY(30px);
  animation: textAppear 1.4s ease forwards 0.8s;
}

.future-subtitle {
  font-size: 1.3rem;
  margin-top: 10px;
  color: #d5ffe9;
  opacity: 0;
  transform: translateY(20px);
  animation: textAppear 1.4s ease forwards 1.4s;
}

@keyframes crtPowerOn {
  0% {
    transform: scaleY(0);
    opacity: 0;
  }
  40% {
    transform: scaleY(0.05);
    opacity: 1;
    background: #fff;
  }
  100% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes textAppear {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}