/* PULSO — demo de fitness (Core Vibe)
   Negro, rojo y blanco. Anton condensada + Archivo. Diagonales, cortes en las esquinas y un pulso en vivo. */

@font-face { font-family: "Anton"; src: url("/demos/_base/fonts/anton-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Archivo"; src: url("/demos/_base/fonts/archivo-var.woff2") format("woff2"); font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; }

:root {
  --negro: #0b0b0b;
  --negro-2: #141414;
  --negro-3: #1c1c1c;
  --gris-fondo: #111111;
  --rojo: #ff3b30;
  --rojo-2: #ff5a50;
  --blanco: #f5f5f0;
  --gris: #a1a1a1;
  --linea: rgba(255, 255, 255, 0.12);
  --display: "Anton", Impact, "Arial Narrow Bold", sans-serif;
  --sans: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --corte: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

body {
  background: var(--negro);
  color: var(--blanco);
  font: 400 1.03rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
main { overflow-x: clip; }
:focus-visible { outline: 3px solid var(--rojo); outline-offset: 3px; }
a { color: inherit; }

.wrap { width: min(100% - 2 * clamp(16px, 4vw, 40px), 1220px); margin-inline: auto; }
.kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--rojo);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.kicker::before { content: ""; flex-shrink: 0; width: 20px; height: 5px; background: currentColor; transform: skewX(-24deg); }
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 0.95; text-transform: uppercase; }
h2 { font-size: clamp(2.7rem, 4vw + 1rem, 5rem); letter-spacing: 0.005em; }

/* ---------- Botones inclinados ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.05em 1.8em;
  border: 2px solid transparent;
  font: 800 0.9rem/1 var(--sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transform: skewX(-10deg);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.25s var(--ease);
}
.btn > span { display: inline-block; transform: skewX(10deg); }
.btn:hover { transform: skewX(-10deg) translateY(-2px); }
.btn--rojo { background: var(--rojo); color: var(--negro); }
.btn--rojo:hover { background: var(--rojo-2); }
.btn--linea { border-color: var(--blanco); color: var(--blanco); }
.btn--linea:hover { background: var(--blanco); color: var(--negro); }
.btn--negro { background: var(--negro); color: var(--blanco); }
.btn--negro:hover { background: #262626; }
.btn--sm { padding: 0.8em 1.3em; font-size: 0.8rem; }
.btn--full { width: 100%; }

/* ---------- Encabezado ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 11, 11, 0.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background-color 0.3s;
}
.header.is-scrolled { background: rgba(11, 11, 11, 0.94); border-bottom-color: var(--linea); }
.header__in { display: flex; align-items: center; gap: 24px; height: 70px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo__mark { width: 36px; height: 22px; fill: none; stroke: var(--rojo); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.logo span { display: inline-block; font: 400 1.8rem/1 var(--display); letter-spacing: 0.06em; transform: skewX(-8deg); }
.nav { display: flex; align-items: center; gap: 6px; margin-inline: auto; }
.nav a { position: relative; padding: 0.6em 0.9em; color: var(--gris); font-size: 0.82rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; text-decoration: none; transition: color 0.2s; }
.nav a::after { content: ""; position: absolute; left: 0.9em; right: 0.9em; bottom: 0.25em; height: 3px; background: var(--rojo); transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease); }
.nav a:hover { color: var(--blanco); }
.nav a:hover::after { transform: scaleX(1); }
.header__acciones { display: flex; align-items: center; gap: 12px; }
.nav-btn { display: none; place-items: center; align-content: center; gap: 6px; width: 44px; height: 44px; padding: 0 12px; border: 1px solid var(--linea); background: transparent; }
.nav-btn i { display: block; width: 100%; height: 2px; background: var(--blanco); transition: transform 0.3s var(--ease); }
.nav-btn[aria-expanded="true"] i:first-of-type { transform: translateY(4px) rotate(45deg); }
.nav-btn[aria-expanded="true"] i:last-of-type { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Portada ---------- */
.hero { position: relative; padding: clamp(40px, 6vw, 80px) 0 clamp(50px, 6vw, 80px); isolation: isolate; }
.hero__rayas {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  width: 58%;
  background: repeating-linear-gradient(-55deg, var(--rojo) 0 16px, transparent 16px 36px);
  opacity: 0.85;
  -webkit-mask-image: linear-gradient(to left, #000 10%, transparent 85%);
  mask-image: linear-gradient(to left, #000 10%, transparent 85%);
  animation: rayas 3s linear infinite;
}
@keyframes rayas { to { background-position: 87.9px 0; } }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: clamp(30px, 5vw, 70px); align-items: center; }
.hero h1 { font-size: clamp(4.2rem, 9vw + 0.6rem, 10rem); line-height: 0.86; letter-spacing: 0.005em; }
.hero h1 span { display: block; }
.contorno { color: transparent; -webkit-text-stroke: 2px var(--blanco); }
.hero__lead { max-width: 46ch; margin-top: 28px; color: #cfcfcf; font-size: clamp(1.05rem, 0.4vw + 1rem, 1.2rem); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 34px; padding-left: 6px; }
.proxima { display: inline-flex; align-items: center; gap: 10px; margin-top: 28px; font-size: 0.92rem; font-weight: 600; }
.proxima__dot { position: relative; flex-shrink: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--rojo); }
.proxima__dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--rojo); opacity: 0; animation: pulso 1.6s ease-out infinite; }

.monitor { position: relative; padding: 26px; background: rgba(20, 20, 20, 0.92); clip-path: var(--corte); }
.monitor::before { content: ""; position: absolute; inset: 0; border: 1px solid var(--linea); clip-path: var(--corte); pointer-events: none; }
.monitor__top { display: flex; justify-content: space-between; color: var(--gris); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.monitor__rec { color: var(--rojo); animation: parpadeo 1.2s steps(2, start) infinite; }
.monitor__bpm { display: flex; align-items: baseline; gap: 12px; margin-top: 10px; }
.monitor__bpm b { color: var(--rojo); font: 400 clamp(5rem, 7vw, 7.5rem)/1 var(--display); font-variant-numeric: tabular-nums; animation: latido 0.85s ease-in-out infinite; transform-origin: left bottom; }
.monitor__bpm span { color: var(--gris); font-weight: 800; letter-spacing: 0.1em; }
.ecg { width: 100%; height: 110px; margin: 6px 0 14px; overflow: visible; }
.ecg path { fill: none; stroke-width: 3.5; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.ecg__base { stroke: rgba(255, 59, 48, 0.18); }
.ecg__trazo { stroke: var(--rojo); stroke-dasharray: 190 810; filter: drop-shadow(0 0 6px rgba(255, 59, 48, 0.85)); animation: trazo 2.4s linear infinite; }
.monitor__datos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--linea); }
.monitor__datos div { padding-top: 14px; }
.monitor__datos div + div { padding-left: 16px; border-left: 1px solid var(--linea); }
.monitor__datos dt { color: var(--gris); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.monitor__datos dd { font: 400 1.9rem/1.1 var(--display); }

.datos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: clamp(44px, 6vw, 70px); }
.datos li { padding: 18px 22px; border-left: 5px solid var(--rojo); background: var(--negro-2); }
.datos b { display: block; font: 400 1.7rem/1.1 var(--display); text-transform: uppercase; }
.datos span { color: var(--gris); font-size: 0.92rem; }

@keyframes trazo { from { stroke-dashoffset: 1000; } to { stroke-dashoffset: 0; } }
@keyframes latido { 0%, 100% { transform: scale(1); } 18% { transform: scale(1.06); } 36% { transform: scale(0.99); } }
@keyframes parpadeo { to { visibility: hidden; } }
@keyframes pulso { 0% { opacity: 0.9; transform: scale(0.6); } 100% { opacity: 0; transform: scale(1.8); } }

/* ---------- Cinta ---------- */
.cinta { width: 104%; margin: 10px 0 0 -2%; padding: 16px 0; overflow: hidden; overflow: clip; background: var(--rojo); color: var(--negro); transform: rotate(-1.6deg); }
.cinta__pista { display: flex; width: max-content; animation: desplazar 22s linear infinite; }
.cinta span { display: flex; align-items: center; gap: 30px; padding-right: 30px; font: 400 clamp(1.8rem, 2vw + 1rem, 2.8rem)/1 var(--display); text-transform: uppercase; white-space: nowrap; }
.cinta span::after { content: "/"; opacity: 0.55; }
@keyframes desplazar { to { transform: translateX(-50%); } }

/* ---------- Secciones ---------- */
.seccion { padding: clamp(80px, 9vw, 130px) 0; }
.seccion--gris { background: var(--gris-fondo); }
.cabecera { max-width: 720px; margin-bottom: clamp(36px, 4vw, 56px); }
.cabecera--centro { margin-inline: auto; text-align: center; }
.cabecera--centro .kicker { justify-content: center; }
.cabecera--fila { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 40px; max-width: none; }
.cabecera--fila > p { max-width: 40ch; color: var(--gris); }
.nota { margin-top: 24px; color: var(--gris); font-size: 0.84rem; }
.cabecera--centro + .nota, .planes + .nota { text-align: center; }

/* ---------- Disciplinas ---------- */
.disciplinas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.disc { position: relative; display: flex; flex-direction: column; padding: 30px; background: var(--negro-2); clip-path: var(--corte); transition: background-color 0.3s, color 0.3s; }
.disc:hover { background: var(--rojo); color: var(--negro); }
.disc__n { color: var(--rojo); font: 400 1.1rem/1 var(--display); letter-spacing: 0.08em; transition: color 0.3s; }
.disc h3 { margin: 18px 0 10px; font-size: clamp(2.6rem, 2.4vw + 1.2rem, 3.4rem); }
.disc p { color: var(--gris); transition: color 0.3s; }
.disc:hover .disc__n, .disc:hover p { color: var(--negro); }
.disc__meta { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 22px; font-size: 0.82rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.disc p + .disc__meta { margin-top: 24px; border-top: 1px solid var(--linea); }
.disc:hover .disc__meta { border-top-color: rgba(0, 0, 0, 0.2); }
.intensidad { display: inline-flex; gap: 4px; }
.intensidad i { width: 16px; height: 9px; background: rgba(255, 255, 255, 0.16); transform: skewX(-20deg); transition: background-color 0.3s; }
.intensidad i.on { background: var(--rojo); }
.disc:hover .intensidad i { background: rgba(0, 0, 0, 0.18); }
.disc:hover .intensidad i.on { background: var(--negro); }

/* ---------- Horarios ---------- */
.tab-input { position: absolute; width: 1px; height: 1px; margin: 0; opacity: 0; pointer-events: none; }
.dias { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; margin-bottom: 18px; }
.dias label { position: relative; padding: 15px 6px; background: var(--negro-3); font: 400 1.35rem/1 var(--display); text-align: center; text-transform: uppercase; letter-spacing: 0.04em; cursor: pointer; transition: background-color 0.2s, color 0.2s; }
.dias label:hover { background: #262626; }
.dias label.is-hoy::after { content: "Hoy"; position: absolute; top: -9px; right: 8px; padding: 2px 6px; background: var(--blanco); color: var(--negro); font: 800 0.62rem/1.2 var(--sans); letter-spacing: 0.1em; }
.dias__corto { display: none; }
#d-1:checked ~ .dias [for="d-1"],
#d-2:checked ~ .dias [for="d-2"],
#d-3:checked ~ .dias [for="d-3"],
#d-4:checked ~ .dias [for="d-4"],
#d-5:checked ~ .dias [for="d-5"],
#d-6:checked ~ .dias [for="d-6"] { background: var(--rojo); color: var(--negro); }
#d-1:focus-visible ~ .dias [for="d-1"],
#d-2:focus-visible ~ .dias [for="d-2"],
#d-3:focus-visible ~ .dias [for="d-3"],
#d-4:focus-visible ~ .dias [for="d-4"],
#d-5:focus-visible ~ .dias [for="d-5"],
#d-6:focus-visible ~ .dias [for="d-6"] { outline: 3px solid var(--blanco); outline-offset: 2px; }
.panel { display: none; }
#d-1:checked ~ .grilla .panel--1,
#d-2:checked ~ .grilla .panel--2,
#d-3:checked ~ .grilla .panel--3,
#d-4:checked ~ .grilla .panel--4,
#d-5:checked ~ .grilla .panel--5,
#d-6:checked ~ .grilla .panel--6 { display: block; animation: entrar 0.45s var(--ease); }
@keyframes entrar { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.panel li {
  position: relative;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--linea);
  background: var(--negro-2);
  transition: background-color 0.2s;
}
.panel li:hover { background: #191919; }
.panel time { font: 400 2rem/1 var(--display); letter-spacing: 0.02em; }
.panel b { display: block; font-size: 1.12rem; font-weight: 800; font-stretch: 90%; letter-spacing: 0.02em; text-transform: uppercase; }
.panel li div span { color: var(--gris); font-size: 0.9rem; }
.cupo { color: #8fe388; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; }
.cupo--pocos { color: #ffb020; }
.cupo--lleno { color: var(--rojo); }
.reservar {
  min-width: 150px;
  padding: 0.75em 1.2em;
  border: 2px solid var(--blanco);
  background: transparent;
  color: var(--blanco);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: skewX(-10deg);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}
.reservar:hover { background: var(--blanco); color: var(--negro); }
.reservar--espera { border-color: #555; color: var(--gris); }
.reservar--espera:hover { border-color: var(--gris); background: transparent; color: var(--blanco); }
.reservar.is-ok { border-color: #8fe388; background: #8fe388; color: var(--negro); }
.reservar:disabled { border-color: #333; background: transparent; color: #666; cursor: not-allowed; }
.panel li.is-pasada { opacity: 0.5; }
.panel li.is-proxima { box-shadow: inset 5px 0 0 var(--rojo); }
.panel li.is-proxima::before { content: "Próxima"; position: absolute; top: 8px; left: 22px; color: var(--rojo); font-size: 0.62rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }

/* ---------- Planes ---------- */
.periodo { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: clamp(36px, 4vw, 54px); }
.periodo > label:not(.periodo__switch) { color: var(--gris); font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; transition: color 0.2s; }
.periodo em { margin-left: 6px; padding: 0.15em 0.5em; background: var(--rojo); color: var(--negro); font-size: 0.78rem; font-style: normal; }
#p-mes:checked ~ .periodo [for="p-mes"]:not(.periodo__switch),
#p-anio:checked ~ .periodo [for="p-anio"]:not(.periodo__switch) { color: var(--blanco); }
#p-mes:focus-visible ~ .periodo [for="p-mes"]:not(.periodo__switch),
#p-anio:focus-visible ~ .periodo [for="p-anio"]:not(.periodo__switch) { outline: 3px solid var(--rojo); outline-offset: 4px; }
.periodo__switch { position: relative; width: 60px; height: 32px; border-radius: 999px; background: var(--negro-3); cursor: pointer; }
.periodo__switch span { position: absolute; top: 4px; left: 4px; width: 24px; height: 24px; border-radius: 50%; background: var(--blanco); transition: transform 0.3s var(--ease), background-color 0.3s; }
.periodo__switch--m { display: none; }
#p-anio:checked ~ .periodo .periodo__switch--a { display: none; }
#p-anio:checked ~ .periodo .periodo__switch--m { display: block; }
.periodo__switch--m span { transform: translateX(28px); background: var(--rojo); }

.planes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.plan { display: flex; flex-direction: column; padding: 34px 30px; background: var(--negro-2); clip-path: var(--corte); }
.plan h3 { font-size: 2.3rem; }
.plan__desc { margin-top: 6px; color: var(--gris); }
.plan__precio { margin: 24px 0 18px; }
.precio { font: 400 3.4rem/1 var(--display); letter-spacing: 0.01em; }
.precio--anio { display: none; }
#p-anio:checked ~ .planes .precio--mes { display: none; }
#p-anio:checked ~ .planes .precio--anio { display: inline; }
.plan__precio small { display: block; margin-top: 6px; color: var(--gris); font-size: 0.85rem; }
.plan__lista { flex: 1; margin-bottom: 28px; }
.plan__lista li { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--linea); }
.plan__lista li::before { content: "✓"; color: var(--rojo); font-weight: 900; }
.plan .btn { margin-left: 6px; width: calc(100% - 12px); }
.plan--destacado { background: var(--rojo); color: var(--negro); }
.plan--destacado .plan__desc, .plan--destacado .plan__precio small { color: #2a0b08; }
.plan--destacado .plan__lista li { border-bottom-color: rgba(0, 0, 0, 0.18); }
.plan--destacado .plan__lista li::before { color: var(--negro); }
.plan__tag { align-self: flex-start; margin-bottom: 14px; padding: 0.35em 0.75em; background: var(--negro); color: var(--rojo); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }

/* ---------- Sedes ---------- */
.sedes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.sede { padding: 30px; border-top: 5px solid var(--rojo); background: var(--negro-2); }
.sede__n { display: block; color: transparent; font: 400 4.2rem/1 var(--display); -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.4); }
.sede h3 { margin: 10px 0 8px; font-size: 2.4rem; }
.sede p { color: var(--gris); }
.sede .sede__horario { margin-top: 4px; color: var(--blanco); font-weight: 600; }
.sede__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.sede__tags li { padding: 0.35em 0.75em; border: 1px solid var(--linea); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }

/* ---------- Comunidad ---------- */
.frases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; }
.frases li { padding-top: 22px; border-top: 2px solid var(--rojo); }
.frases blockquote { font-size: 1.4rem; font-weight: 700; font-stretch: 82%; font-style: italic; line-height: 1.3; }
.frases p { margin-top: 16px; color: var(--rojo); font-size: 0.82rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }

/* ---------- Clase de prueba ---------- */
.prueba { background: var(--rojo); color: var(--negro); }
.prueba .kicker { color: var(--negro); }
.prueba__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 6vw, 80px); align-items: center; }
.prueba h2 { font-size: clamp(3.2rem, 6vw + 0.6rem, 7rem); line-height: 0.94; }
.prueba h2 span { display: block; color: transparent; -webkit-text-stroke: 2px var(--negro); }
.prueba__copy > p:not(.kicker) { max-width: 44ch; margin-top: 22px; font-size: 1.1rem; font-weight: 500; }
.form-prueba { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 14px; padding: clamp(22px, 3vw, 34px); background: var(--negro); color: var(--blanco); clip-path: var(--corte); }
.campo--full { grid-column: 1 / -1; }
.campo label { display: block; margin-bottom: 7px; color: var(--gris); font-size: 0.74rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.campo input, .campo select { width: 100%; min-height: 52px; padding: 0.8em 1em; border: 1px solid #333; border-radius: 0; background: var(--negro-3); color: var(--blanco); transition: border-color 0.2s, box-shadow 0.2s; }
.campo input:focus, .campo select:focus { border-color: var(--rojo); box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.3); outline: none; }
.campo--select { position: relative; }
.campo--select select { appearance: none; padding-right: 2.6em; cursor: pointer; }
.campo--select::after { content: ""; position: absolute; right: 18px; bottom: 22px; width: 7px; height: 7px; border-right: 2px solid var(--blanco); border-bottom: 2px solid var(--blanco); transform: rotate(45deg); pointer-events: none; }
.form-prueba .btn { width: calc(100% - 12px); min-height: 56px; margin: 8px 0 0 6px; }
.form-nota { color: var(--gris); font-size: 0.8rem; text-align: center; }

/* ---------- Pie ---------- */
.footer { padding: 54px 0 32px; border-top: 1px solid var(--linea); color: var(--gris); font-size: 0.92rem; }
.footer__in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 40px; }
.footer .logo { color: var(--blanco); }
.footer__legal { flex-basis: 100%; padding-top: 22px; border-top: 1px solid var(--linea); font-size: 0.82rem; }
.footer__legal a { color: var(--rojo); }

@media (prefers-reduced-motion: reduce) {
  .hero__rayas, .ecg__trazo, .monitor__bpm b, .monitor__rec, .proxima__dot::after, .cinta__pista { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hero__grid, .prueba__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__rayas { width: 100%; opacity: 0.35; }
  .monitor { width: min(100%, 520px); }
  .disciplinas { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .planes { grid-template-columns: minmax(0, 1fr); width: min(100%, 520px); margin-inline: auto; }
  .sedes, .frases { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 880px) {
  .nav-btn { display: grid; }
  .js .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    height: calc(100dvh - 70px);
    margin: 0;
    padding: 18px clamp(16px, 4vw, 40px) 30px;
    border-top: 1px solid var(--linea);
    background: var(--negro);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0s linear 0.3s;
  }
  .js .nav.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
  .js .nav a { padding: 0.4em 0; border-bottom: 1px solid var(--linea); color: var(--blanco); font: 400 2.6rem/1.1 var(--display); letter-spacing: 0.01em; }
  .js .nav a::after { display: none; }
  html:not(.js) .nav { display: none; }
  .header__acciones { margin-left: auto; }
}
@media (max-width: 700px) {
  .datos { grid-template-columns: minmax(0, 1fr); }
  .disciplinas { grid-template-columns: minmax(0, 1fr); }
  .dias__corto { display: inline; }
  .dias__largo { display: none; }
  .dias label { padding: 13px 2px; font-size: 1.15rem; }
  .panel li { grid-template-columns: 62px minmax(0, 1fr) auto; grid-template-areas: "hora info boton" "hora cupo boton"; gap: 2px 14px; padding: 16px 14px; }
  .panel li.is-proxima::before { left: 14px; top: 4px; }
  .panel time { grid-area: hora; font-size: 1.55rem; }
  .panel li > div { grid-area: info; }
  .panel .cupo { grid-area: cupo; }
  .panel .reservar { grid-area: boton; min-width: 0; padding: 0.75em 0.9em; font-size: 0.7rem; }
  .form-prueba { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 420px) {
  .header .btn--sm { padding: 0.75em 0.9em; font-size: 0.72rem; }
  .logo span { font-size: 1.55rem; }
  .logo__mark { width: 30px; }
  .header__in { gap: 10px; }
  .hero__ctas .btn { flex: 1 1 100%; }
  .monitor { padding: 20px; }
  .monitor__datos dd { font-size: 1.5rem; }
}