/* ============================================================================
 * SISTEMA DE DISEÑO — Clean Step & Hair Cuts
 * ----------------------------------------------------------------------------
 * Monocromo: obsidiana → platino, con luz LED blanca fría.
 * El color solo aparece cuando comunica un estado (pagado, pendiente,
 * cancelado); nunca como decoración. Eso es lo que lo hace verse caro.
 *
 * Para revender a otra barbería basta cambiar los tokens de :root.
 * ========================================================================== */

:root {
  /* Superficies, de más profunda a más cercana */
  --ink:        #06070A;
  --ink-soft:   #0A0C10;
  --panel:      #0F1216;
  --card:       #13171C;
  --raised:     #191E25;

  /* Acento = luz. Platino con un matiz frío apenas perceptible. */
  --accent:     #E8EEF5;
  --accent-lit: #FFFFFF;
  --accent-dim: #A9B6C4;
  --accent-rgb: 232, 238, 245;

  /* Tinte frío exclusivo para los halos LED */
  --led-cool:   180, 205, 230;

  /* Texto */
  --text:       #EEF2F7;
  --text-soft:  #97A2AF;
  --text-faint: #5C6774;

  /* Líneas */
  --line:       rgba(255, 255, 255, 0.07);
  --line-lit:   rgba(255, 255, 255, 0.16);

  /* Estados: el único color del sitio, y solo para informar */
  --ok:      #4ADE9B;
  --warn:    #E9BC63;
  --danger:  #F08792;

  /* Ritmo vertical */
  --gap-xs: .5rem;
  --gap-sm: .875rem;
  --gap:    1.5rem;
  --gap-lg: 2.75rem;
  --gap-xl: 5rem;

  --radius:    14px;
  --radius-lg: 22px;

  color-scheme: dark;
}

/* ---------------------------------------------------------------- base ---- */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  background: var(--ink);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #06070A; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: #222831; border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: #2C333D; }

/* Grano sutil: textura sin ensuciar */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .026;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --------------------------------------------------------- tipografía ---- */
.h-hero { font-size: clamp(2.5rem, 8.5vw, 5.25rem); line-height: .96; letter-spacing: -.038em; }
.h-sec  { font-size: clamp(1.85rem, 5vw, 3rem);     line-height: 1.06; letter-spacing: -.03em; }
.h-sub  { font-size: clamp(1.05rem, 2.5vw, 1.3rem); line-height: 1.32; letter-spacing: -.015em; }
.lead   { font-size: clamp(.95rem, 2.1vw, 1.05rem); line-height: 1.68; color: var(--text-soft); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .65rem;
  font-size: .6875rem; font-weight: 600; letter-spacing: .3em; text-transform: uppercase;
  color: var(--text-soft);
}
.eyebrow::before {
  content: ""; width: 28px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), .85));
}

/* Texto con luz: el degradado imita el reflejo de un LED sobre metal */
.grad-text {
  background: linear-gradient(104deg, #FFFFFF 0%, #E8EEF5 38%, #8E9BA9 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.text-lit { text-shadow: 0 0 26px rgba(var(--accent-rgb), .38); }

/* ------------------------------------------------------- luz ambiental ---- */
.led { position: absolute; border-radius: 9999px; pointer-events: none; z-index: 0; filter: blur(120px); }
.led-warm { background: rgba(var(--accent-rgb), .10); }
.led-cool { background: rgba(var(--led-cool), .085); }

@keyframes drift-a { 0%,100% { transform: translate3d(0,0,0) } 50% { transform: translate3d(32px,-26px,0) } }
@keyframes drift-b { 0%,100% { transform: translate3d(0,0,0) } 50% { transform: translate3d(-28px,28px,0) } }
.drift-a { animation: drift-a 19s ease-in-out infinite; }
.drift-b { animation: drift-b 23s ease-in-out infinite; }

/* Tira LED: separa secciones sin una línea dura */
.led-strip {
  height: 1px; border: 0;
  background: linear-gradient(90deg, transparent, var(--line-lit) 20%, rgba(var(--accent-rgb), .5) 50%, var(--line-lit) 80%, transparent);
}

/* Barra LED vertical, para acentuar bordes de tarjetas protagonistas */
.led-edge { position: relative; overflow: hidden; }
.led-edge::after {
  content: ""; position: absolute; left: 0; top: 12%; bottom: 12%; width: 2px;
  background: linear-gradient(180deg, transparent, rgba(var(--accent-rgb), .85), transparent);
  box-shadow: 0 0 18px rgba(var(--accent-rgb), .55);
}

/* --------------------------------------------------------- superficies ---- */
.surface { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.surface-soft { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }

/* Borde con luz para las piezas principales */
.edge-lit { position: relative; }
.edge-lit::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(150deg, rgba(255,255,255,.34), rgba(255,255,255,.04) 45%, rgba(var(--led-cool), .30));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}

.glow-lit  { box-shadow: 0 0 0 1px rgba(var(--accent-rgb), .10), 0 22px 70px -30px rgba(var(--accent-rgb), .34); }
.glow-soft { box-shadow: 0 26px 80px -34px rgba(0,0,0,.95); }

/* --------------------------------------------------------------- botones -- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  font-weight: 600; letter-spacing: .01em; border-radius: 12px;
  padding: .95rem 1.6rem; font-size: .9rem; text-align: center; cursor: pointer;
  border: 1px solid transparent;
  transition: transform .18s cubic-bezier(.2,.8,.2,1), box-shadow .25s, background .2s, border-color .2s, color .2s;
}
.btn:disabled, .btn[data-busy="true"] { opacity: .45; pointer-events: none; }

.btn-primary {
  background: linear-gradient(135deg, #FFFFFF, #E8EEF5 48%, #BDC8D4);
  color: #06070A;
  box-shadow: 0 12px 34px -16px rgba(var(--accent-rgb), .7);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 48px -18px rgba(var(--accent-rgb), .85); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost { border-color: var(--line-lit); color: var(--text); background: rgba(255,255,255,.02); }
.btn-ghost:hover { border-color: rgba(var(--accent-rgb), .7); background: rgba(255,255,255,.06); }

.btn-quiet { color: var(--text-soft); }
.btn-quiet:hover { color: var(--text); background: rgba(255,255,255,.05); }

.btn-danger { border-color: rgba(240,135,146,.32); color: var(--danger); background: rgba(240,135,146,.08); }
.btn-danger:hover { background: rgba(240,135,146,.16); }

@media (hover: none) { .btn:hover { transform: none; } }

/* --------------------------------------------- tarjetas seleccionables ---- */
.pick {
  position: relative; display: block; cursor: pointer;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  transition: border-color .22s, background .22s, transform .22s cubic-bezier(.2,.8,.2,1), box-shadow .25s;
}
.pick:hover { border-color: var(--line-lit); transform: translateY(-2px); }
.pick input { position: absolute; opacity: 0; pointer-events: none; }

.pick[data-on="true"] {
  border-color: rgba(var(--accent-rgb), .55);
  background: linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.015));
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), .18), 0 18px 44px -26px rgba(var(--accent-rgb), .55);
}

.pick .tick {
  position: absolute; top: .95rem; right: .95rem;
  width: 22px; height: 22px; border-radius: 999px;
  border: 1px solid var(--line-lit); display: grid; place-items: center;
  transition: all .2s; color: transparent; font-size: .7rem;
}
.pick[data-on="true"] .tick { background: var(--accent); border-color: var(--accent); color: #06070A; }

/* --------------------------------------------------------------- pasos ---- */
.step { transition: opacity .5s ease, filter .5s ease; }
.step[data-locked="true"] { opacity: .3; pointer-events: none; filter: grayscale(.4); }
.step[data-locked="true"] .step-body { display: none; }

.step-num {
  flex: none; width: 34px; height: 34px; border-radius: 999px;
  display: grid; place-items: center; font-size: .8rem; font-weight: 700;
  border: 1px solid var(--line-lit); color: var(--text-faint); background: var(--ink-soft);
  transition: all .3s;
}
.step[data-locked="false"] .step-num {
  border-color: rgba(var(--accent-rgb), .5); color: var(--text);
  box-shadow: 0 0 22px -6px rgba(var(--accent-rgb), .45);
}
.step[data-done="true"] .step-num { background: var(--accent); border-color: var(--accent); color: #06070A; }

/* ----------------------------------------------------------- calendario --- */
.cal-day {
  aspect-ratio: 1; border-radius: 11px; font-size: .875rem; font-weight: 500;
  display: grid; place-items: center; position: relative;
  background: rgba(255,255,255,.035); color: var(--text);
  border: 1px solid transparent; transition: all .18s;
}
.cal-day:hover:not(:disabled) { background: rgba(255,255,255,.11); }
.cal-day[data-on="true"] {
  background: var(--accent); color: #06070A; font-weight: 700;
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), .45), 0 12px 30px -14px rgba(var(--accent-rgb), .9);
}
.cal-day:disabled { background: transparent; color: var(--text-faint); opacity: .34; cursor: not-allowed; }
.cal-day[data-blocked="true"] { background: rgba(240,135,146,.09); color: rgba(240,135,146,.55); }
.cal-day .dot { position: absolute; bottom: 6px; width: 4px; height: 4px; border-radius: 999px; background: var(--text-soft); }
.cal-day[data-on="true"] .dot { background: #06070A; }

.slot {
  padding: .8rem .5rem; border-radius: 11px; font-size: .875rem; font-weight: 500;
  border: 1px solid var(--line); background: rgba(255,255,255,.03); color: var(--text);
  transition: all .18s;
}
.slot:hover:not(:disabled) { border-color: rgba(var(--accent-rgb), .6); background: rgba(255,255,255,.07); }
.slot[data-on="true"] {
  background: var(--accent); border-color: var(--accent); color: #06070A; font-weight: 700;
  box-shadow: 0 12px 30px -16px rgba(var(--accent-rgb), .9);
}
.slot:disabled { opacity: .28; text-decoration: line-through; cursor: not-allowed; }

/* --------------------------------------------------------------- campos --- */
.field {
  width: 100%; background: rgba(255,255,255,.04); color: var(--text);
  border: 1px solid var(--line); border-radius: 12px;
  padding: .95rem 1.05rem; font-size: .95rem;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field::placeholder { color: var(--text-faint); }
.field:focus {
  outline: none; border-color: rgba(var(--accent-rgb), .8);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .12);
  background: rgba(255,255,255,.06);
}
.field.invalid { border-color: rgba(240,135,146,.65); box-shadow: 0 0 0 3px rgba(240,135,146,.12); }
.field.valid   { border-color: rgba(var(--accent-rgb), .34); }

.label { display: block; font-size: .8rem; font-weight: 500; color: var(--text-soft); margin-bottom: .45rem; }
.req { color: var(--text); }

.field-error { display: none; margin-top: .4rem; font-size: .75rem; color: var(--danger); }
.field-error.show { display: block; }

/* --------------------------------------------------------------- chips ---- */
.chip {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .3rem .7rem; border-radius: 999px;
  font-size: .7rem; font-weight: 600; letter-spacing: .045em; text-transform: uppercase;
  border: 1px solid var(--line-lit); color: var(--text-soft);
}
.chip-ok     { background: rgba(74,222,155,.12);  border-color: rgba(74,222,155,.28);  color: var(--ok); }
.chip-warn   { background: rgba(233,188,99,.12);  border-color: rgba(233,188,99,.28);  color: var(--warn); }
.chip-danger { background: rgba(240,135,146,.12); border-color: rgba(240,135,146,.28); color: var(--danger); }
.chip-lit    { background: rgba(255,255,255,.07); border-color: rgba(var(--accent-rgb), .3); color: var(--text); }

/* ------------------------------------------------------------ reseñas ----- */
.stars { display: inline-flex; gap: 2px; color: var(--accent); }
.stars svg { width: 15px; height: 15px; }
.star-off { color: var(--text-faint); }

.review {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; display: flex; flex-direction: column; gap: .9rem;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.review:hover {
  border-color: var(--line-lit); transform: translateY(-3px);
  box-shadow: 0 22px 60px -34px rgba(var(--accent-rgb), .3);
}
.review q { quotes: none; color: var(--text); line-height: 1.68; font-size: .95rem; }

.review-rail {
  display: flex; gap: var(--gap); overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: .5rem; scrollbar-width: none;
}
.review-rail::-webkit-scrollbar { display: none; }
.review-rail > * { scroll-snap-align: start; flex: 0 0 min(86vw, 350px); }
@media (min-width: 900px) {
  .review-rail { display: grid; grid-template-columns: repeat(3, 1fr); overflow: visible; }
  .review-rail > * { flex: initial; }
}

/* --------------------------------------------------------------- modal ----
   El estado abierto se declara de forma explícita: si la animación no llega a
   ejecutarse (navegador con movimiento reducido, pestaña en segundo plano),
   el modal igual se ve. Antes dependía de la transición y podía quedarse
   invisible. */
.modal { opacity: 1; transition: opacity .28s ease; }
.modal-panel { opacity: 1; transform: none; transition: transform .38s cubic-bezier(.2,.8,.2,1), opacity .28s; }
.modal.is-hidden { opacity: 0; pointer-events: none; }
.modal.is-hidden .modal-panel { transform: translateY(20px) scale(.97); opacity: 0; }

/* ------------------------------------------------------------- revelado --- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.seen { opacity: 1; transform: none; }

/* --------------------------------------------------------- Mercado Pago --- */
.mp-host {
  border-radius: var(--radius); background: rgba(255,255,255,.025);
  border: 1px solid var(--line); padding: .85rem; min-height: 56px;
}
.mp-host:empty { display: none; }
.mp-host iframe { max-width: 100% !important; }

.spinner {
  width: 17px; height: 17px; border-radius: 999px;
  border: 2px solid rgba(var(--accent-rgb), .22); border-top-color: var(--accent);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ------------------------------------------------------------- utilidad --- */
.hide { display: none !important; }
.safe-b { padding-bottom: env(safe-area-inset-bottom); }
.tabular { font-variant-numeric: tabular-nums; }
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { scrollbar-width: none; }