/* ==========================================================
   ØR — landing en construcción (versión clara)
   Paleta de referencia: Marfil Cálido #F6F2EA · Cobre #B56A3C
   ========================================================== */

:root{
  --marfil:        #F6F2EA;   /* fondo */
  --carbon:         #1D1A18;   /* texto principal */
  --tierra:         #5B4A3D;
  --lava:           #7F261A;
  --cobre:          #B56A3C;   /* acento — color del logo */
  --piedra:         #8A847D;

  --font-display: 'Space Grotesk', sans-serif;
  --font-serif:   'EB Garamond', serif;

  --dur: 700ms;
  --ease: cubic-bezier(.65,0,.35,1);
}

*{ margin:0; padding:0; box-sizing:border-box; }

html, body{
  height: 100%;
  min-height: 100%;
  background: var(--marfil);
}

body{
  color: var(--carbon);
  font-family: var(--font-display);
  overflow: hidden;
  position: fixed;
  inset: 0;
  width: 100%;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- textura de grano sutil ---------- */
.grain{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  opacity: .035;
  mix-blend-mode: multiply;
  background-image:
    repeating-radial-gradient(circle at 20% 30%, #000 0, transparent 1px),
    repeating-radial-gradient(circle at 70% 60%, #000 0, transparent 1px);
  background-size: 3px 3px, 4px 4px;
}

/* ---------- escenario ---------- */
.stage{
  position: absolute;
  inset: 0;
  z-index: 2;
  height: 100%;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
}

.scene{
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 5vw, 3rem);
  padding: 2rem;
  text-align: center;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), filter var(--dur) var(--ease);
}

/* Escena 1: puerta / logo */
.scene--gate{
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.stage.is-open .scene--gate{
  opacity: 0;
  transform: translateY(-2.2rem) scale(.96);
  filter: blur(6px);
  pointer-events: none;
}

.logo{
  width: clamp(180px, 30vw, 320px);
  height: auto;
  user-select: none;
}



.btn{
  appearance: none;
  border: 1px solid rgba(29,26,24,.55);
  background: transparent;
  color: var(--carbon);
  font-family: var(--font-display);
  font-size: .85rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  padding: 1rem 2.6rem;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), letter-spacing var(--dur) var(--ease);
}

.btn:hover,
.btn:focus-visible{
  background: var(--carbon);
  color: var(--marfil);
  border-color: var(--carbon);
  letter-spacing: .34em;
}

.btn:focus-visible{ outline: 2px solid var(--cobre); outline-offset: 4px; }

/* Escena 2: en construcción */
.scene--build{
  opacity: 0;
  transform: translateY(2.2rem) scale(1.02);
  filter: blur(6px);
  pointer-events: none;
}

.stage.is-open .scene--build{
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
  pointer-events: auto;
  transition-delay: 120ms;
}

.eyebrow{
  font-size: 4rem;
  letter-spacing: .3em;
  color: var(--cobre);
  text-transform: uppercase;
}

.eyebrow-logo{
  width: clamp(50px, 15vw, 100px);
  height: auto;
  user-select: none;
  
}

.build-subtitle{
  font-size: clamp(1rem, 6vw, 2rem);
  word-spacing: .25em;
  white-space: nowrap;
}

.build-copy{
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  color: rgba(29,26,24,.75);
  line-height: 1.6;
}

.socials{
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.8rem;
  margin-top: .5rem;
}

.socials a{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(29,26,24,.3);
  color: var(--tierra);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.socials svg{
  width: 18px;
  height: 18px;
}

.socials a:hover,
.socials a:focus-visible{
  color: var(--cobre);
  border-color: var(--cobre);
  transform: translateY(-2px);
}

.btn-back{
  appearance: none;
  background: none;
  border: none;
  color: var(--piedra);
  font-family: var(--font-display);
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  cursor: pointer;
  margin-top: 1.5rem;
  transition: color var(--dur) var(--ease);
}

.btn-back:hover,
.btn-back:focus-visible{ color: var(--carbon); }

/* ---------- firma inferior ---------- */
.signature{
  position: fixed;
  bottom: 1.6rem;
  left: 0;
  right: 0;
  z-index: 2;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: .8rem;
  color: rgba(91,74,61,.55);
  pointer-events: none;
}

/* ---------- responsive ---------- */
@media (max-width: 480px){
  .socials{ flex-direction: row; justify-content: center; gap: 1.2rem; flex-wrap: nowrap; }
  .signature{ font-size: .7rem; }
}