/* ============================================================
   BELENTANI DESIGN SYSTEM — GLASS THICK RED NEON ALIVE v2.0
   Tema: cristal grueso lechoso + gloss specular + neón rojo + máquina viva
   Uso: <link rel="stylesheet" href="belentani-glass.css">
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;800&family=Share+Tech+Mono&display=swap");

:root {
  /* Core tokens (README / ecosistema) */
  --bn-black: #000000;
  --bn-bg: #050507;
  --bn-bg-elevated: #0a0a0c;
  --bn-text: #f4f4f6;
  --bn-text-dim: rgba(244, 244, 246, 0.62);
  --bn-red: #ff073a;
  --bn-red-deep: #b8002a;
  --bn-red-soft: rgba(255, 7, 58, 0.45);
  --bn-red-glow: rgba(255, 7, 58, 0.2);
  --bn-gold: #d4af37;
  --bn-gold-soft: rgba(212, 175, 55, 0.35);
  --bn-cyan: #4de8e0;
  --bn-cyan-soft: rgba(77, 232, 224, 0.28);

  /* Glass / gloss */
  --bn-glass: rgba(255, 255, 255, 0.07);
  --bn-glass-strong: rgba(255, 255, 255, 0.11);
  --bn-glass-border: rgba(255, 255, 255, 0.22);
  --bn-glass-highlight: rgba(255, 255, 255, 0.42);
  --bn-radius: 18px;
  --bn-radius-sm: 10px;
  --bn-blur: 28px;

  /* Type */
  --bn-font-display: "Orbitron", "Segoe UI", sans-serif;
  --bn-font-mono: "Share Tech Mono", "Courier New", monospace;

  /* Motion */
  --bn-ease-alive: cubic-bezier(0.22, 1, 0.36, 1);
  --bn-pulse-ms: 2.8s;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(255, 7, 58, 0.14), transparent 55%),
    radial-gradient(80% 60% at 100% 100%, rgba(77, 232, 224, 0.05), transparent 45%),
    var(--bn-bg);
  color: var(--bn-text);
  font-family: var(--bn-font-mono);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--bn-red);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--bn-cyan);
  outline-offset: 3px;
}

/* ---------- SURFACE: thick milky glass + living gloss ---------- */
.bn-panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.14) 0%, transparent 42%),
    var(--bn-glass);
  backdrop-filter: blur(var(--bn-blur)) saturate(185%);
  -webkit-backdrop-filter: blur(var(--bn-blur)) saturate(185%);
  border: 1px solid var(--bn-glass-border);
  border-radius: var(--bn-radius);
  box-shadow:
    inset 0 1px 0 var(--bn-glass-highlight),
    inset 0 10px 24px rgba(255, 255, 255, 0.28),
    inset 0 -48px 56px var(--bn-red-glow),
    0 0 0 1px rgba(255, 7, 58, 0.08),
    0 0 40px var(--bn-red-soft),
    0 24px 48px rgba(0, 0, 0, 0.45);
  padding: 2.5rem;
  animation: bn-breathe var(--bn-pulse-ms) var(--bn-ease-alive) infinite;
}

.bn-panel::before {
  content: "";
  position: absolute;
  inset: -40% -60%;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.18) 49%,
    rgba(255, 255, 255, 0.55) 50.5%,
    rgba(255, 7, 58, 0.12) 52%,
    transparent 60%
  );
  transform: translateX(-30%) rotate(8deg);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
  animation: bn-gloss-sweep 7.5s var(--bn-ease-alive) infinite;
}

.bn-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  background: radial-gradient(
    120% 80% at 20% 0%,
    rgba(255, 255, 255, 0.12),
    transparent 40%
  );
}

.bn-panel > * {
  position: relative;
  z-index: 1;
}

.bn-panel--tight {
  padding: 1.15rem 1.4rem;
}

.bn-panel--alive {
  animation:
    bn-breathe var(--bn-pulse-ms) var(--bn-ease-alive) infinite,
    bn-edge-pulse 3.6s ease-in-out infinite;
}

.bn-panel--gold {
  box-shadow:
    inset 0 1px 0 var(--bn-glass-highlight),
    inset 0 10px 24px rgba(255, 255, 255, 0.24),
    inset 0 -48px 56px var(--bn-gold-soft),
    0 0 36px var(--bn-gold-soft);
}

.bn-panel--cyan {
  box-shadow:
    inset 0 1px 0 var(--bn-glass-highlight),
    inset 0 10px 24px rgba(255, 255, 255, 0.24),
    inset 0 -48px 56px var(--bn-cyan-soft),
    0 0 36px var(--bn-cyan-soft);
}

/* ---------- TYPE ---------- */
.bn-title {
  margin: 0 0 0.35em;
  font-family: var(--bn-font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.4vw, 2.4rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bn-red);
  text-shadow:
    0 0 8px var(--bn-red),
    0 0 22px var(--bn-red-soft),
    0 0 48px rgba(255, 7, 58, 0.35);
}

.bn-title--gold {
  color: var(--bn-gold);
  text-shadow:
    0 0 8px var(--bn-gold),
    0 0 22px var(--bn-gold-soft);
}

.bn-sub {
  margin: 0;
  opacity: 0.7;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bn-text-dim);
}

.bn-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.85rem;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bn-cyan);
}

.bn-kicker::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--bn-red);
  box-shadow: 0 0 12px var(--bn-red);
  animation: bn-heartbeat 1.4s ease-in-out infinite;
}

/* ---------- CARDS ---------- */
.bn-card {
  display: block;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  color: var(--bn-text);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition:
    transform 0.25s var(--bn-ease-alive),
    box-shadow 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease;
}

.bn-card:hover,
.bn-card:focus-visible {
  border-color: var(--bn-red);
  background: rgba(255, 7, 58, 0.08);
  box-shadow: 0 0 22px var(--bn-red-soft);
  transform: translateY(-3px);
}

.bn-num {
  color: var(--bn-red);
  margin-right: 0.55rem;
  font-family: var(--bn-font-display);
  font-weight: 700;
}

/* ---------- BUTTONS ---------- */
.bn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.7rem;
  border: 1px solid var(--bn-red);
  border-radius: var(--bn-radius-sm);
  color: var(--bn-red);
  background: rgba(255, 7, 58, 0.06);
  font-family: var(--bn-font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: 0.22s var(--bn-ease-alive);
  text-shadow: 0 0 10px var(--bn-red-soft);
  box-shadow:
    0 0 14px var(--bn-red-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.bn-btn:hover,
.bn-btn:focus-visible {
  background: var(--bn-red);
  color: #fff;
  text-shadow: none;
  box-shadow: 0 0 32px var(--bn-red-soft);
  transform: translateY(-1px);
}

.bn-btn:active {
  transform: translateY(0) scale(0.98);
}

.bn-btn--solid {
  background: linear-gradient(180deg, #ff2d58, var(--bn-red-deep));
  color: #fff;
  border-color: transparent;
}

.bn-btn--ghost {
  border-color: var(--bn-glass-border);
  color: var(--bn-text);
  background: transparent;
  box-shadow: none;
  text-shadow: none;
}

.bn-btn--ghost:hover,
.bn-btn--ghost:focus-visible {
  border-color: var(--bn-cyan);
  color: var(--bn-cyan);
  background: rgba(77, 232, 224, 0.08);
  box-shadow: 0 0 20px var(--bn-cyan-soft);
}

/* ---------- INPUTS ---------- */
.bn-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.bn-label {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bn-text-dim);
}

.bn-input {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--bn-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(0, 0, 0, 0.35);
  color: var(--bn-text);
  font-family: var(--bn-font-mono);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.bn-input::placeholder {
  color: rgba(244, 244, 246, 0.35);
}

.bn-input:focus {
  outline: none;
  border-color: var(--bn-red);
  box-shadow: 0 0 0 3px rgba(255, 7, 58, 0.18);
}

/* ---------- BADGES / HUD ---------- */
.bn-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 7, 58, 0.45);
  background: rgba(255, 7, 58, 0.12);
  color: var(--bn-red);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.bn-badge--cyan {
  border-color: rgba(77, 232, 224, 0.45);
  background: rgba(77, 232, 224, 0.1);
  color: var(--bn-cyan);
}

.bn-badge--gold {
  border-color: rgba(212, 175, 55, 0.45);
  background: rgba(212, 175, 55, 0.12);
  color: var(--bn-gold);
}

.bn-hud {
  display: grid;
  gap: 0.65rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.28);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.bn-hud__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--bn-text-dim);
}

.bn-hud__row strong {
  color: var(--bn-cyan);
  font-weight: 400;
}

/* ---------- GLITCH / FLICKER (máquina viva) ---------- */
@keyframes bn-glitch {
  0%,
  90%,
  100% {
    transform: none;
    filter: none;
  }
  91% {
    transform: translate(2px, -1px);
    filter: hue-rotate(-8deg);
  }
  93% {
    transform: translate(-3px, 1px) skewX(-0.4deg);
  }
  95% {
    transform: translate(1px, 0);
    text-shadow: -2px 0 var(--bn-cyan), 2px 0 var(--bn-red);
  }
  97% {
    transform: translate(0, 1px);
  }
}

.bn-glitch {
  animation: bn-glitch 4.2s steps(2, end) infinite;
}

@keyframes bn-flicker {
  0%,
  100% {
    opacity: 1;
  }
  92% {
    opacity: 1;
  }
  93% {
    opacity: 0.42;
  }
  94% {
    opacity: 1;
  }
  97% {
    opacity: 0.72;
  }
}

.bn-flicker {
  animation: bn-flicker 5s linear infinite;
}

@keyframes bn-breathe {
  0%,
  100% {
    box-shadow:
      inset 0 1px 0 var(--bn-glass-highlight),
      inset 0 10px 24px rgba(255, 255, 255, 0.28),
      inset 0 -48px 56px var(--bn-red-glow),
      0 0 0 1px rgba(255, 7, 58, 0.08),
      0 0 34px var(--bn-red-soft),
      0 24px 48px rgba(0, 0, 0, 0.45);
  }
  50% {
    box-shadow:
      inset 0 1px 0 var(--bn-glass-highlight),
      inset 0 10px 24px rgba(255, 255, 255, 0.32),
      inset 0 -52px 64px rgba(255, 7, 58, 0.28),
      0 0 0 1px rgba(255, 7, 58, 0.16),
      0 0 56px rgba(255, 7, 58, 0.55),
      0 24px 48px rgba(0, 0, 0, 0.45);
  }
}

@keyframes bn-edge-pulse {
  0%,
  100% {
    border-color: rgba(255, 255, 255, 0.22);
  }
  50% {
    border-color: rgba(255, 7, 58, 0.55);
  }
}

@keyframes bn-gloss-sweep {
  0% {
    transform: translateX(-55%) rotate(8deg);
  }
  45%,
  100% {
    transform: translateX(55%) rotate(8deg);
  }
}

@keyframes bn-heartbeat {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  15% {
    transform: scale(1.35);
    opacity: 0.85;
  }
  30% {
    transform: scale(1);
    opacity: 1;
  }
  45% {
    transform: scale(1.2);
    opacity: 0.9;
  }
}

@keyframes bn-load {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(350%);
  }
}

/* ---------- SCANLINES / VIGNETTE / RAIN LAYER ---------- */
.bn-scanlines::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  background: repeating-linear-gradient(
    0deg,
    transparent 0 2px,
    rgba(0, 0, 0, 0.11) 2px 4px
  );
  mix-blend-mode: multiply;
  opacity: 0.55;
}

.bn-vignette::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 998;
  background: radial-gradient(circle at center, transparent 45%, rgba(0, 0, 0, 0.55) 100%);
}

#bn-rain,
.bn-rain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

.bn-stage {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

/* ---------- BAR / VITALITY ---------- */
.bn-bar {
  height: 3px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  overflow: hidden;
}

.bn-bar i,
.bn-bar__fill {
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, transparent, var(--bn-red), transparent);
  animation: bn-load 1.2s linear infinite;
}

.bn-vital {
  --bn-vital: 72%;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.bn-vital > span {
  display: block;
  height: 100%;
  width: var(--bn-vital);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--bn-red-deep), var(--bn-red), var(--bn-gold));
  box-shadow: 0 0 14px var(--bn-red-soft);
  transition: width 0.6s var(--bn-ease-alive);
}

/* ---------- LAYOUT HELPERS ---------- */
.bn-grid {
  display: grid;
  gap: 1rem;
}

.bn-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.bn-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bn-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.bn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.bn-divider {
  height: 1px;
  margin: 1.25rem 0;
  border: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 7, 58, 0.55), transparent);
}

/* ---------- SAFE / RESPONSIVE ---------- */
html.bn-safe,
html.bn-safe body {
  overflow-x: hidden !important;
  max-width: 100vw !important;
}

html.bn-safe img,
html.bn-safe video {
  max-width: 100% !important;
  height: auto !important;
}

@media (max-width: 720px) {
  .bn-panel {
    padding: 1.4rem;
    border-radius: 14px;
  }

  .bn-grid--2,
  .bn-grid--3 {
    grid-template-columns: 1fr;
  }

  .bn-title {
    letter-spacing: 0.12em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bn-panel,
  .bn-panel--alive,
  .bn-panel::before,
  .bn-glitch,
  .bn-flicker,
  .bn-kicker::before,
  .bn-bar i,
  .bn-bar__fill {
    animation: none !important;
  }

  .bn-card,
  .bn-btn {
    transition: none !important;
  }
}