/* Estructura común de las webs de varias páginas y geometría de las
   piezas 3D. El color, la letra y el carácter los pone cada dirección. */

@font-face { font-family: 'Space Grotesk'; src: url('/assets/fonts/space-grotesk.woff2') format('woff2'); font-weight: 300 700; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('/assets/fonts/inter.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }

:root {
  --paper: #ede9df; --ink: #171a17; --vermilion: #d84b35; --dojo: #18211a; --sand: #d6cbae; --gold: #e8b33a;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --pad: clamp(20px, 4.5vw, 64px); --max: 1320px; --top-h: 62px;
  --tx: 0deg; --ty: 0deg;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--top-h) + 16px); }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: 'Inter', system-ui, sans-serif; font-size: 1.0625rem; line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
p, h1, h2, h3, dl, dd, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
s { text-decoration: none; }
:focus-visible { outline: 3px solid var(--focus, var(--vermilion)); outline-offset: 3px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 200; background: var(--fg); color: var(--bg); padding: 10px 16px; }
.skip:focus { top: 12px; }
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--pad); }
.dot { color: var(--vermilion); }

/* Cabecera */
.top { position: sticky; top: 0; z-index: 50; }
.top__in { display: flex; align-items: center; gap: 24px; height: var(--top-h); }
.logo { text-decoration: none; white-space: nowrap; line-height: 1; }
.top__nav { display: none; gap: 4px; margin-left: 8px; }
.top__nav a { text-decoration: none; padding: 8px 12px; }
.top__enter { margin-left: auto; text-decoration: none; padding: 10px 4px; }
@media (min-width: 900px) { .top__nav { display: flex; } }
/* En móvil, la navegación va abajo de cada página como «Siguiente» y en el pie */

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; border: 0; cursor: pointer; text-decoration: none; -webkit-tap-highlight-color: transparent; touch-action: manipulation; transition: transform 160ms var(--ease-out), background-color 160ms ease, color 160ms ease; }
.btn:active { transform: scale(0.97); }
.btn--s { min-height: 40px; padding: 0 14px; font-size: 0.88rem; }
.link { display: inline-flex; align-items: center; min-height: 44px; text-underline-offset: 6px; text-decoration-thickness: 2px; font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; }

/* Portada */
.hero { overflow: hidden; }
.hero__grid { display: grid; gap: 40px; align-items: center; padding-block: clamp(36px, 6vw, 88px); }
.hero__lede { max-width: 32rem; margin: 22px 0 30px; font-size: 1.1rem; }
.hero__note { margin-top: 22px; font-size: 0.88rem; }
.hero__obj { min-width: 0; }
@media (min-width: 1000px) { .hero__grid { grid-template-columns: 5fr 6fr; min-height: calc(100svh - var(--top-h)); } }

/* Cabecera de página interior */
.phead .wrap { padding-block: clamp(56px, 9vw, 128px) clamp(28px, 4vw, 48px); }
.phead__k { margin-bottom: 16px; font-weight: 600; }
.phead__lede { max-width: 36rem; margin-top: 22px; font-size: 1.12rem; }

/* Secciones */
.sec .wrap { padding-block: clamp(56px, 8vw, 112px); display: grid; gap: 40px; }
.sec__close { max-width: 26ch; }
.split { display: grid; gap: 40px; }
@media (min-width: 980px) { .split { grid-template-columns: 5fr 6fr; align-items: start; } .split--flip > :first-child { order: 2; } }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(12px, 2vw, 24px); align-items: start; }
.pair .shot:nth-child(2) { margin-top: 48px; }
.shot { overflow: hidden; background: #100f0e; }
.shot img { width: 100%; }

.olds { display: grid; }
.olds li { display: grid; gap: 8px; padding: 22px 0; }
@media (min-width: 980px) { .olds li { grid-template-columns: 1.3fr 1fr; align-items: center; column-gap: 40px; } }

.rooms { display: grid; gap: 16px; }
@media (min-width: 760px) { .rooms { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1180px) { .rooms { grid-template-columns: repeat(4, 1fr); } }
.room { display: grid; gap: 10px; align-content: start; padding: 24px; min-height: 220px; text-decoration: none; transition: transform 220ms var(--ease-out); }
.room b { font-size: 1.4rem; line-height: 1.1; }

.feats { display: grid; column-gap: 40px; }
@media (min-width: 720px) { .feats { grid-template-columns: 1fr 1fr; } }
.feats > div { padding: 16px 0; display: grid; gap: 4px; }
.feats .is-pending dd { font-style: italic; }

.rules > div { display: grid; grid-template-columns: 5.5rem 1fr; gap: 14px; padding: 16px 0; }
.ticks li { position: relative; padding: 13px 0 13px 28px; }
.ticks li::before { content: ''; position: absolute; left: 0; top: 1.3em; width: 14px; height: 2px; background: var(--vermilion); }

.offline { display: grid; gap: 12px; }
@media (min-width: 760px) { .offline { grid-template-columns: repeat(3, 1fr); } }
.offline li { display: grid; gap: 6px; padding: 22px; }
.offline b { font-size: 1.3rem; }

.wall { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 20px; }
@media (min-width: 1100px) { .wall { grid-template-columns: repeat(4, 1fr); } .wall__item:nth-child(even) { margin-top: 56px; } }
.wall__item figcaption { margin-top: 14px; font-size: 0.95rem; }
.wall__item b { display: block; font-size: 1.15rem; margin-bottom: 4px; }

.faq { display: grid; column-gap: 48px; }
@media (min-width: 980px) { .faq { grid-template-columns: 1fr 1fr; } }
.faq__q { padding: 22px 0; display: grid; gap: 8px; }
.faq__q h3 { font-size: 1.2rem; line-height: 1.25; }

.pending { border: 2px dashed currentColor; padding: clamp(20px, 3vw, 32px); display: grid; gap: 14px; max-width: 46rem; }
.pending__flag { font-weight: 700; }
.pending .btn { justify-self: start; }

.next { display: grid; gap: 4px; padding: clamp(40px, 6vw, 72px) var(--pad); text-decoration: none; }
.next b { font-size: clamp(2.4rem, 7vw, 6rem); line-height: 0.95; }

/* Formulario */
.final .wrap { padding-block: clamp(56px, 9vw, 128px); }
.final__grid { display: grid; gap: 40px; }
@media (min-width: 980px) { .final__grid { grid-template-columns: 4fr 7fr; } }
.form { display: grid; }
.field { display: grid; gap: 6px; padding: 14px 0; }
.field input, .field select { width: 100%; min-height: 48px; font: inherit; font-size: 1.2rem; font-weight: 600; color: inherit; background: transparent; border: 0; border-bottom: 2px solid transparent; border-radius: 0; -webkit-appearance: none; appearance: none; }
.field input:focus, .field select:focus { outline: none; border-bottom-color: var(--vermilion); }
.field select option { color: #171a17; }
.field__error { font-size: 0.88rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__legal { font-size: 0.85rem; padding: 14px 0; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.form .btn[disabled] { opacity: 0.6; }
.thanks .mono { display: none; }
.thanks h3 { margin-bottom: 12px; font-size: 2rem; line-height: 1.05; }

/* Pie */
.foot__in { padding-block: 40px 100px; display: grid; gap: 12px; }
.foot ul { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.foot__small { font-size: 0.85rem; }


/* ====================================================================
   PIEZAS 3D — geometría. Los colores vienen de cada dirección.
   ==================================================================== */

/* Pila de discos */
.plates { perspective: 1500px; display: grid; place-items: center; padding-block: 20px 40px; }
.plates__scene {
  position: relative; width: min(500px, 82vw); aspect-ratio: 1;
  transform-style: preserve-3d;
  transform: rotateX(calc(58deg + var(--tx))) rotateZ(calc(-28deg + var(--ty)));
  transition: transform 500ms var(--ease-out);
}
.plate {
  position: absolute; left: 50%; top: 50%; width: calc(var(--d) * 100%); aspect-ratio: 1;
  transform-style: preserve-3d;
  transform: translate(-50%, -50%) translateZ(calc(var(--i) * var(--gap, 30px) + var(--lift, 0px)));
  transition: transform 450ms var(--ease-out);
  text-decoration: none;
}
.plate__body i { position: absolute; inset: 0; border-radius: 50%; background: var(--edge); transform: translateZ(calc(var(--l) * var(--step, 3px))); }
.plate__body i:first-child { box-shadow: 0 0 60px 10px rgba(0, 0, 0, 0.35); }
.plate__top { position: absolute; inset: 0; border-radius: 50%; background: var(--face); transform: translateZ(var(--thick, 27px)); }
.plate__top svg { width: 100%; height: 100%; display: block; }
.plate__top .rim { fill: none; stroke: var(--ink-on); stroke-opacity: 0.25; stroke-width: 2; }
.plate__top .hole { fill: var(--hole, #0e120f); }
.plate__top text { fill: var(--ink-on); font: 700 15px 'Space Grotesk', sans-serif; letter-spacing: 3px; }

/* Barras de progreso en 3D */
.bars3d { perspective: 2400px; padding: 70px 10px 20px; }
.bars3d__scene {
  display: flex; align-items: flex-end; gap: clamp(14px, 3vw, 40px); height: clamp(220px, 32vw, 380px);
  transform-style: preserve-3d;
  transform: rotateX(calc(-8deg + var(--tx))) rotateY(calc(-14deg + var(--ty)));
  transition: transform 500ms var(--ease-out);
}
.bar { --depth: clamp(18px, 3vw, 40px); position: relative; flex: 1; height: calc(var(--h) * 1% * var(--grow, 1)); min-height: 4px; transform-style: preserve-3d; transition: height 900ms var(--ease-out); transition-delay: calc(var(--i) * 90ms); }
.bar__f { position: absolute; inset: 0; background: var(--bar-f); }
.bar__s { position: absolute; top: 0; bottom: 0; left: 100%; width: var(--depth); background: var(--bar-s); transform-origin: left; transform: rotateY(90deg); }
.bar__t { position: absolute; left: 0; right: 0; bottom: 100%; height: var(--depth); background: var(--bar-t); transform-origin: bottom; transform: rotateX(90deg); }
.bar--rec { --bar-f: var(--gold); --bar-s: #b98b22; --bar-t: #f3cf72; }
.bar__v { position: absolute; left: 0; bottom: calc(100% + 10px); font: 700 clamp(0.85rem, 1.5vw, 1.3rem)/1 'Space Grotesk', sans-serif; white-space: nowrap; }
.bar--rec .bar__v { color: var(--gold); }
.bar__m { position: absolute; left: 0; top: calc(100% + 10px); font-size: 0.85rem; }
.js .bars3d:not(.is-in) .bar { --grow: 0; }

/* El mes como maqueta */
.iso-month { perspective: 1400px; padding: 40px 3% 30px; overflow: hidden; }
.tile { min-width: 0; overflow: hidden; }
@media (max-width: 640px) { .tile i { writing-mode: vertical-rl; transform: rotate(180deg); } .iso-month__scene { transform: rotateX(calc(40deg + var(--tx))) rotateZ(calc(-4deg + var(--ty))); } }
.iso-month__scene {
  display: grid; grid-template-columns: repeat(11, 1fr); gap: clamp(4px, 0.8vw, 10px);
  transform-style: preserve-3d;
  transform: rotateX(calc(50deg + var(--tx))) rotateZ(calc(-10deg + var(--ty)));
  transition: transform 500ms var(--ease-out);
}
.tile {
  position: relative; aspect-ratio: 1 / 1.3; padding: 8px 6px; display: flex; flex-direction: column; justify-content: space-between;
  background: var(--tile); color: var(--tile-fg);
  box-shadow: 0 1px 0 var(--tile-edge), 0 2px 0 var(--tile-edge), 0 3px 0 var(--tile-edge), 0 4px 0 var(--tile-edge), 0 5px 0 var(--tile-edge), 0 6px 0 var(--tile-edge);
  font: 700 clamp(0.9rem, 2.4vw, 2rem)/1 'Space Grotesk', sans-serif;
  transition: transform 500ms var(--ease-out), background-color 300ms ease;
  transition-delay: calc(var(--i) * 40ms);
}
.tile i { font: 600 clamp(0.5rem, 0.85vw, 0.78rem)/1.15 'Inter', sans-serif; font-style: normal; }
.tile--note { --tile: var(--note); --tile-fg: var(--note-fg); --tile-edge: var(--note-edge); transform: translateY(-14px); box-shadow: 0 1px 0 var(--note-edge), 0 2px 0 var(--note-edge), 0 3px 0 var(--note-edge), 0 4px 0 var(--note-edge), 0 5px 0 var(--note-edge), 0 6px 0 var(--note-edge), 0 7px 0 var(--note-edge), 0 8px 0 var(--note-edge), 0 9px 0 var(--note-edge), 0 10px 0 var(--note-edge), 0 11px 0 var(--note-edge), 0 12px 0 var(--note-edge), 0 13px 0 var(--note-edge), 0 14px 0 var(--note-edge), 0 15px 0 var(--note-edge), 0 16px 0 var(--note-edge), 0 17px 0 var(--note-edge), 0 18px 0 var(--note-edge), 0 19px 0 var(--note-edge), 0 20px 0 var(--note-edge); }
.tile--stop { --tile: var(--vermilion); --tile-fg: #171a17; --tile-edge: #9e3424; transform: translateY(-30px); box-shadow: 0 1px 0 #9e3424, 0 2px 0 #9e3424, 0 3px 0 #9e3424, 0 4px 0 #9e3424, 0 5px 0 #9e3424, 0 6px 0 #9e3424, 0 7px 0 #9e3424, 0 8px 0 #9e3424, 0 9px 0 #9e3424, 0 10px 0 #9e3424, 0 11px 0 #9e3424, 0 12px 0 #9e3424, 0 13px 0 #9e3424, 0 14px 0 #9e3424, 0 15px 0 #9e3424, 0 16px 0 #9e3424, 0 17px 0 #9e3424, 0 18px 0 #9e3424, 0 19px 0 #9e3424, 0 20px 0 #9e3424, 0 21px 0 #9e3424, 0 22px 0 #9e3424, 0 23px 0 #9e3424, 0 24px 0 #9e3424, 0 25px 0 #9e3424, 0 26px 0 #9e3424, 0 27px 0 #9e3424, 0 28px 0 #9e3424, 0 29px 0 #9e3424, 0 30px 0 #9e3424, 0 31px 0 #9e3424, 0 32px 0 #9e3424, 0 33px 0 #9e3424, 0 34px 0 #9e3424, 0 35px 0 #9e3424, 0 36px 0 #9e3424; }
.js .iso-month:not(.is-in) .tile--note, .js .iso-month:not(.is-in) .tile--stop { transform: none; }

/* La cola en profundidad */
.queue3d { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(8px, 1.4vw, 18px); perspective: 900px; perspective-origin: 100% 50%; padding-block: 10px 20px; }
.queue__step {
  display: flex; flex-direction: column; justify-content: space-between; gap: 18px; min-height: clamp(110px, 14vw, 180px); padding: 14px;
  transform: rotateY(-16deg) translateZ(calc((var(--i) - 3) * 50px));
  transition: background-color 260ms ease, color 260ms ease, transform 400ms var(--ease-out);
}
.queue__step i { font-style: normal; font-size: 0.85rem; }
.queue__step b { font: 700 clamp(1.8rem, 4.4vw, 3.6rem)/0.9 'Space Grotesk', sans-serif; }
.queue__step--done b { font-size: clamp(1.1rem, 2.6vw, 2.2rem); }

/* Captura que se inclina */
.tilt-card { perspective: 1400px; }
.tilt-card .shot { transform: rotateX(calc(6deg + var(--tx))) rotateY(calc(-10deg + var(--ty))); transition: transform 500ms var(--ease-out); }

/* La mesa del laboratorio */
.table3d { perspective: 1800px; height: clamp(420px, 52vw, 640px); display: grid; place-items: center; }
.table3d__scene {
  position: relative; width: min(620px, 90vw); height: min(520px, 76vw);
  transform-style: preserve-3d;
  transform: rotateX(calc(56deg + var(--tx))) rotateZ(calc(-36deg + var(--ty)));
  transition: transform 500ms var(--ease-out);
}
.table3d .t { position: absolute; width: 30%; box-shadow: var(--t-shadow); }
.table3d .t1 { left: 4%; top: 6%; transform: translateZ(60px); }
.table3d .t2 { left: 36%; top: 0; transform: translateZ(20px); }
.table3d .t3 { left: 68%; top: 10%; transform: translateZ(0); }
.table3d .t4 { left: 22%; top: 46%; transform: translateZ(100px); width: 28%; }
.cota { position: absolute; display: grid; gap: 2px; font-size: 0.78rem; line-height: 1.2; white-space: nowrap; transform-style: preserve-3d; }
.cota b { font: 600 1.25rem/1 'Space Grotesk', sans-serif; }
/* Las cotas se giran para mirarte de frente */
.cota { transform: translateZ(var(--z, 140px)) rotateZ(calc(36deg - var(--ty))) rotateX(calc(-56deg - var(--tx))); }
.cota.c1 { left: 50%; top: 96%; --z: 150px; }
.cota.c2 { left: 52%; top: -14%; --z: 110px; }
.cota.c3 { left: -4%; top: 70%; --z: 90px; }

@media (prefers-reduced-motion: no-preference) and (min-width: 760px) {
  .js .plates:not(.is-in) .plate { transform: translate(-50%, -50%) translateZ(calc(var(--i) * 30px + 700px)); opacity: 0; }
  .js .plates.is-ready .plate { transition: transform 450ms var(--ease-out); }
  .plates:hover { --gap: 58px; }
  .plates a.plate:hover { --lift: 34px; }
  .js .stacks:not(.is-in) .plate { transform: translate(-50%, -50%) translateZ(calc(var(--i) * var(--gap) + 420px)); opacity: 0; }
  .js .stacks .plate { transition: transform 600ms cubic-bezier(0.34, 1.25, 0.64, 1), opacity 150ms ease; transition-delay: calc(var(--s) * 140ms + var(--i) * 70ms); }
  .js .plate { transition: transform 700ms cubic-bezier(0.34, 1.3, 0.64, 1), opacity 200ms ease; transition-delay: calc(200ms + var(--i) * 160ms); }
  .room:hover { transform: translateY(-4px); }
}
@media (prefers-reduced-motion: reduce), (max-width: 759px) {
  .plates__scene, .bars3d__scene, .iso-month__scene, .table3d__scene, .tilt-card .shot, .bar, .tile, .queue__step { transition: none; }
}

/* Discos apilados por mes (Progreso) */
.stacks { perspective: 1600px; padding: clamp(120px, 16vw, 230px) 0 clamp(40px, 7vw, 100px); overflow: hidden; }
.stacks__scene {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(8px, 2vw, 28px);
  width: min(900px, 100%); margin-inline: auto;
  transform-style: preserve-3d;
  transform: rotateX(calc(58deg + var(--tx))) rotateZ(calc(-24deg + var(--ty)));
  transition: transform 500ms var(--ease-out);
}
.stack { --gap: 14px; --step: 3px; --thick: 12px; position: relative; aspect-ratio: 1; transform-style: preserve-3d; }
.stack .plate { width: 90%; }
.stack__v {
  position: absolute; left: 50%; top: 50%; display: grid; gap: 2px; justify-items: center; white-space: nowrap;
  font-size: 0.8rem; line-height: 1.1;
  transform: translate(-50%, -50%) translateZ(calc(var(--n) * var(--gap) + 64px)) rotateZ(calc(24deg - var(--ty))) rotateX(calc(-58deg - var(--tx)));
}
.stack__v b { font: 700 clamp(0.95rem, 1.8vw, 1.5rem)/1 'Space Grotesk', sans-serif; }
.stack--rec .stack__v b { color: var(--gold); }
.phead__plate { display: none; }