/* ============================================================
   RETRODEFER — Global Design System
   Estética CRT / Videogame Anos 90
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=VT323&family=Press+Start+2P&family=Orbitron:wght@700;900&display=swap');

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

:root {
  /* CRT Color Palette */
  --crt-black:      #000000;
  --crt-dark:       #0A0A0A;
  --crt-darker:     #050505;
  --crt-green:      #00FF41;
  --crt-green-dim:  #00AA2B;
  --crt-green-glow: rgba(0,255,65,0.20);
  --crt-amber:      #FFB000;
  --crt-amber-glow: rgba(255,176,0,0.20);
  --crt-cyan:       #00FFFF;
  --crt-cyan-glow:  rgba(0,255,255,0.15);
  --crt-red:        #FF2244;
  --crt-purple:     #CC44FF;

  /* Text */
  --text-primary:   #00FF41;
  --text-dim:       #00AA2B;
  --text-white:     #E8E8E8;
  --text-muted:     rgba(232,232,232,0.45);

  /* Fonts */
  --font-crt:   'VT323', monospace;
  --font-pixel: 'Press Start 2P', monospace;
  --font-hud:   'Orbitron', sans-serif;

  /* Glow Effects */
  --glow-green:  0 0 2px rgba(0,255,65,0.35), 0 0 6px rgba(0,255,65,0.10);
  --glow-amber:  0 0 4px rgba(255,176,0,0.55), 0 0 10px rgba(255,176,0,0.18);
  --glow-cyan:   0 0 4px rgba(0,255,255,0.50), 0 0 10px rgba(0,255,255,0.15);
  --glow-red:    0 0 4px rgba(255,34,68,0.55),  0 0 10px rgba(255,34,68,0.18);

  /* Borders */
  --border-green: 1px solid rgba(0,255,65,0.40);
  --border-amber: 1px solid rgba(255,176,0,0.40);
  --border-dim:   1px solid rgba(0,255,65,0.15);

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Base ── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-crt);
  font-size: 18px;
  color: var(--text-primary);
  background: var(--crt-black);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: none;
  image-rendering: pixelated;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ── CRT Scanlines (global overlay) ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 2px,
    rgba(0,0,0,0.28) 2px,
    rgba(0,0,0,0.28) 4px
  );
  pointer-events: none;
  z-index: 9998;
}

/* CRT vignette (dark corners) */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 100% 100% at 50% 50%,
    transparent 60%,
    rgba(0,0,0,0.65) 100%
  );
  pointer-events: none;
  z-index: 9997;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: var(--crt-green-dim); }

/* ── Pixel Button ── */
.btn-pixel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  letter-spacing: 0.5px;
  color: var(--crt-black);
  background: var(--crt-green);
  border: 2px solid var(--crt-green);
  border-radius: 0;
  box-shadow: 3px 3px 0 var(--crt-green-dim);
  transition: all 0.1s;
  text-transform: uppercase;
}
.btn-pixel:hover {
  background: var(--crt-black);
  color: var(--crt-green);
  box-shadow: var(--glow-green);
}
.btn-pixel:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--crt-green-dim); }

.btn-pixel-amber {
  color: var(--crt-black);
  background: var(--crt-amber);
  border-color: var(--crt-amber);
  box-shadow: 3px 3px 0 #996800;
}
.btn-pixel-amber:hover {
  background: var(--crt-black);
  color: var(--crt-amber);
  box-shadow: var(--glow-amber);
}

.btn-pixel-outline {
  background: transparent;
  color: var(--crt-green);
  box-shadow: 3px 3px 0 var(--crt-green-dim);
}
.btn-pixel-outline:hover {
  background: var(--crt-green);
  color: var(--crt-black);
}

/* ── Site Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: var(--crt-black);
  border-bottom: 2px solid var(--crt-green-dim);
  box-shadow: 0 2px 20px var(--crt-green-glow);
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
}
.logo-retro {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--crt-green);
  text-shadow: var(--glow-green);
}
.logo-sep { color: var(--crt-green-dim); font-family: var(--font-pixel); font-size: 0.75rem; margin: 0 4px; }
.logo-denfer {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--crt-amber);
  text-shadow: var(--glow-amber);
}

.site-nav { display: flex; gap: 2px; }
.nav-link {
  padding: 6px 14px;
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  color: var(--text-dim);
  border: 1px solid transparent;
  transition: all 0.15s;
  letter-spacing: 0.5px;
}
.nav-link:hover {
  color: var(--crt-green);
  border-color: var(--crt-green-dim);
  text-shadow: var(--glow-green);
}
.nav-link.active {
  color: var(--crt-black);
  background: var(--crt-green);
  border-color: var(--crt-green);
}

/* Mobile toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--crt-green);
  box-shadow: var(--glow-green);
  transition: transform 0.2s, opacity 0.2s;
}

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid var(--crt-green-dim);
  margin-top: 80px;
  color: var(--text-dim);
  font-family: var(--font-crt);
  font-size: 1.2rem;
}
.site-footer .footer-logo {
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  color: var(--crt-green);
  text-shadow: var(--glow-green);
  margin-bottom: 12px;
}
.site-footer p { color: var(--text-dim); font-size: 1.1rem; margin-top: 6px; }

/* ── Blink Cursor ── */
.cursor {
  display: inline-block;
  width: 10px; height: 1.1em;
  background: var(--crt-green);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
  margin-left: 2px;
  box-shadow: var(--glow-green);
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ── Glitch Text ── */
.glitch {
  position: relative;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0;
}
.glitch:hover::before {
  opacity: 0.7;
  color: var(--crt-cyan);
  clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%);
  transform: translateX(-3px);
  animation: glitch-top 0.3s infinite;
}
.glitch:hover::after {
  opacity: 0.7;
  color: var(--crt-red);
  clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
  transform: translateX(3px);
  animation: glitch-bot 0.3s infinite;
}
@keyframes glitch-top {
  0%,100% { transform: translateX(-3px); }
  50% { transform: translateX(3px); }
}
@keyframes glitch-bot {
  0%,100% { transform: translateX(3px); }
  50% { transform: translateX(-3px); }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .site-header { padding: 0 16px; }
  .menu-toggle { display: flex; }
  .site-nav {
    display: none;
    position: fixed;
    top: 56px; left: 0; right: 0;
    flex-direction: column;
    padding: 12px;
    background: var(--crt-black);
    border-bottom: 2px solid var(--crt-green-dim);
    box-shadow: 0 4px 20px var(--crt-green-glow);
    z-index: 999;
  }
  .site-nav.open { display: flex; }
  .nav-link { padding: 12px 16px; }
}