/* ==========================================================================
   Tenci — Lobby
   Variables de color y tipografía en assets/css/base/tokens.css.
   ========================================================================== */

html,
body {
  height: 100%;
}

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Fondo animado (canvas con puntos y trazos) */
.bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Barra superior
   -------------------------------------------------------------------------- */
.topbar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(16px, 4vw, 40px);
}

.topbar__mark {
  color: var(--black);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.topbar__mark span {
  color: var(--blue);
}

.lang {
  display: flex;
  border: var(--border);
  background: var(--white);
}

.lang__btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--black);
  font: 500 0.8rem var(--font-mono);
  padding: 6px 10px;
  cursor: pointer;
}

.lang__btn + .lang__btn {
  border-left: var(--border);
}

.lang__btn.is-active {
  background: var(--grey);
}

.lang__btn:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Lobby
   -------------------------------------------------------------------------- */
.lobby {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 16px 48px;
}

.lobby__eyebrow {
  margin: 0 0 12px;
  font: 500 0.8rem var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0;
  animation: fade-up 0.8s var(--ease-out) 0.1s forwards;
}

.lobby__title {
  margin: 0;
  display: flex;
  align-items: flex-end;
  font-size: clamp(3.4rem, 16vw, 11rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.6em) rotate(8deg);
  animation: letter-in 0.9s var(--ease-out) forwards;
}

.letter:nth-child(1) { animation-delay: 0.25s; }
.letter:nth-child(2) { animation-delay: 0.35s; }
.letter:nth-child(3) { animation-delay: 0.45s; }
.letter:nth-child(4) { animation-delay: 0.55s; }
.letter:nth-child(5) { animation-delay: 0.65s; }

/* "io" entra después de que cae el punto */
.letter--tld:nth-child(7) { animation-delay: 1.35s; }
.letter--tld:nth-child(8) { animation-delay: 1.45s; }

.letter:hover {
  animation: wobble 0.5s ease;
}

/* Punto azul que "cae" al final del nombre */
.lobby__dot {
  width: 0.16em;
  height: 0.16em;
  margin-left: 0.04em;
  margin-right: 0.06em;
  margin-bottom: 0.12em;
  background: var(--blue);
  border: 0.03em solid var(--black);
  border-radius: 50%;
  opacity: 0;
  transform: translateY(-2em);
  animation: dot-drop 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) 1.05s forwards;
}

.lobby__subtitle {
  margin: 20px 0 36px;
  min-height: 1.5em;
  font-size: clamp(1.05rem, 3.2vw, 1.5rem);
  font-weight: 500;
}

.caret {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  margin-left: 4px;
  vertical-align: -0.18em;
  background: var(--black);
  animation: blink 1s steps(1) infinite;
}

/* --------------------------------------------------------------------------
   Botones (texto siempre negro)
   -------------------------------------------------------------------------- */
.lobby__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  animation: fade-up 0.8s var(--ease-out) 1.4s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  padding: 14px 24px;
  border: var(--border);
  box-shadow: var(--shadow);
  color: var(--black);
  font: 700 1rem var(--font-sans);
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hover);
}

.btn:active {
  transform: translate(5px, 5px);
  box-shadow: 0 0 0 var(--black);
}

.btn:focus-visible {
  outline: 3px solid var(--black);
  outline-offset: 4px;
}

.btn--blue  { background: var(--blue); }
.btn--red   { background: var(--red); }
.btn--black { background: var(--white); }

/* Barra negra que se desliza dentro del botón negro */
.btn--black {
  position: relative;
  overflow: hidden;
}

.btn--black::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}

.btn--black:hover::after {
  transform: scaleX(1);
}

/* --------------------------------------------------------------------------
   Chips de tipos de contenido
   -------------------------------------------------------------------------- */
.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
}

.chip {
  padding: 6px 12px;
  border: 1.5px solid var(--black);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.85rem;
  opacity: 0;
  animation: fade-up 0.6s var(--ease-out) forwards;
}

.chip--mono {
  font-family: var(--font-mono);
}

.chip:nth-child(1) { animation-delay: 1.7s; }
.chip:nth-child(2) { animation-delay: 1.8s; }
.chip:nth-child(3) { animation-delay: 1.9s; }
.chip:nth-child(4) { animation-delay: 2.0s; }
.chip:nth-child(5) { animation-delay: 2.1s; }

/* --------------------------------------------------------------------------
   Pie
   -------------------------------------------------------------------------- */
.foot {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 10px;
  padding: 20px 16px;
  font: 400 0.8rem var(--font-mono);
}

.foot__links {
  display: flex;
  gap: 14px;
  margin-left: 12px;
}

.foot__links a {
  color: var(--black);
  text-decoration-color: var(--blue);
  text-underline-offset: 3px;
}

/* --------------------------------------------------------------------------
   Animaciones
   -------------------------------------------------------------------------- */
@keyframes letter-in {
  to {
    opacity: 1;
    transform: translateY(0) rotate(0);
  }
}

@keyframes dot-drop {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes blink {
  50% { opacity: 0; }
}

@keyframes wobble {
  0%, 100% { transform: rotate(0); }
  30% { transform: rotate(-8deg) translateY(-6px); }
  60% { transform: rotate(5deg); }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition: none !important;
  }
}