/* =============================================================================
   Carrera 2.0K — invitación al cumple de Lucas.
   Mobile-first, paleta de running, sin scroll horizontal.
   ========================================================================== */

:root {
  --c-naranja: #FF5A1F;
  --c-negro: #0E0E10;
  --c-lima: #A8E10C;
  --c-pista: #2A2D34;
  --c-blanco: #FAFAF7;

  --c-blanco-puro: #FFFFFF;
  --c-gris-claro: #9AA0A6;
  --c-gris-medio: #5F6368;
  --c-gris-borde: #E0E0E0;
  --c-error: #C0271B;

  --font-titulos: "Bebas Neue", Impact, "Arial Narrow Bold", sans-serif;
  --font-cuerpo: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --max-ancho: 720px;
  --padding-mobile: 16px;
  --padding-tablet: 32px;
  --touch-min: 44px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-cuerpo);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--c-negro);
  background-color: var(--c-blanco);
}

h1, h2, h3 {
  font-family: var(--font-titulos);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2rem, 8vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 6vw, 2.4rem); }

p { margin: 0 0 1em; }

img,
iframe { max-width: 100%; height: auto; display: block; }

[hidden] { display: none !important; }

:focus-visible {
  outline: 2px solid var(--c-naranja);
  outline-offset: 2px;
}
:focus:not(:focus-visible) { outline: none; }

/* Layout: cada sección con padding y wrapper centrado en tablet+ */
body > section,
body > main,
main > section {
  width: 100%;
  padding: 32px var(--padding-mobile);
}

@media (min-width: 768px) {
  body > section,
  body > main,
  main > section {
    padding-left: var(--padding-tablet);
    padding-right: var(--padding-tablet);
  }
  body > section > *,
  main > section > * {
    max-width: var(--max-ancho);
    margin-left: auto;
    margin-right: auto;
  }
}

.seccion-centrada { text-align: center; }
.seccion-centrada ul,
.seccion-centrada ol {
  display: inline-block;
  text-align: left;
}

/* -------------------------- Línea de largada ----------------------------- */
#linea-largada {
  height: 24px;
  background: repeating-linear-gradient(
    45deg,
    var(--c-negro) 0 12px,
    var(--c-blanco) 12px 24px
  );
  border-top: 4px solid var(--c-lima);
  border-bottom: 4px solid var(--c-lima);
}

/* ------------------------------ Hero ------------------------------------- */
#hero {
  background-color: var(--c-pista);
  color: var(--c-blanco);
  text-align: center;
  padding: 48px var(--padding-mobile);
}

#hero h1 {
  color: var(--c-blanco);
  text-transform: uppercase;
  margin-bottom: 0.25em;
}

.hero-eyebrow {
  font-family: var(--font-titulos);
  letter-spacing: 0.2em;
  font-size: 0.9rem;
  color: var(--c-lima);
  margin: 0 0 8px;
  text-transform: uppercase;
}

.hero-distancia {
  font-family: var(--font-titulos);
  font-size: clamp(2.5rem, 12vw, 5rem);
  color: var(--c-naranja);
  letter-spacing: 0.05em;
  margin: 0.25em 0;
  line-height: 1;
}

.hero-fecha { font-size: 1.125rem; margin: 0.5em 0; }

.hero-horarios {
  list-style: none;
  padding: 0;
  margin: 0.5em 0 1em;
  font-size: 1.125rem;
}

.hero-horarios li { margin: 0.25em 0; }

/* --------------------------- Cuenta regresiva ---------------------------- */
#cuenta-regresiva {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin: 24px auto 16px;
}

#cuenta-regresiva .cr-componente {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--c-negro);
  color: var(--c-blanco);
  border: 2px solid var(--c-lima);
  border-radius: 6px;
  padding: 8px 4px;
}

#cr-dias,
#cr-horas,
#cr-min,
#cr-seg {
  font-family: var(--font-titulos);
  font-size: clamp(2.5rem, 10vw, 4rem);
  line-height: 1;
  color: var(--c-naranja);
  font-feature-settings: "tnum";
}

#cuenta-regresiva .cr-rotulo {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

#cr-mensaje {
  text-align: center;
  font-family: var(--font-titulos);
  font-size: clamp(1.5rem, 6vw, 2.5rem);
  color: var(--c-naranja);
  margin: 16px 0 0;
}

/* ----------------------------- Recorrido --------------------------------- */
.recorrido-figura { margin: 16px auto; max-width: 100%; }

.recorrido-figura img {
  width: 100%;
  max-width: 600px;
  border-radius: 8px;
  border: 2px solid var(--c-gris-borde);
  margin: 0 auto;
}

.recorrido-hidratacion {
  font-size: 1.125rem;
  margin: 16px auto;
  font-weight: 500;
  text-align: center;
}

.recorrido-aclaracion {
  font-size: 0.875rem;
  color: var(--c-gris-medio);
  margin: 12px auto 0;
  font-style: italic;
  text-align: center;
}

#link-maps {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: var(--touch-min);
  padding: 8px 16px;
  background-color: var(--c-naranja);
  color: var(--c-blanco);
  text-decoration: none;
  font-family: var(--font-titulos);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  border-radius: 4px;
  margin-top: 8px;
}

#link-maps:hover,
#link-maps:focus-visible { filter: brightness(0.92); }

/* ------------------------------- Kit ------------------------------------- */
#lista-kit {
  list-style: none;
  padding-left: 0;
  max-width: 360px;
}

#lista-kit li {
  position: relative;
  padding: 8px 8px 8px 32px;
  border-left: 4px solid var(--c-lima);
  background-color: var(--c-blanco-puro);
  margin-bottom: 8px;
  border-radius: 0 4px 4px 0;
  text-align: left;
}

#lista-kit li::before {
  content: "🏁";
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
}

/* ------------------------------- RSVP ------------------------------------ */
#aviso-cierre {
  background-color: var(--c-pista);
  color: var(--c-blanco);
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 0.9375rem;
}

#form-rsvp {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#form-rsvp label { display: block; font-weight: 600; margin-bottom: 4px; }

#form-rsvp input[type="text"] {
  width: 100%;
  min-block-size: var(--touch-min);
  padding: 8px 12px;
  font-family: var(--font-cuerpo);
  font-size: 1rem;
  background-color: var(--c-blanco-puro);
  border: 2px solid var(--c-gris-borde);
  border-radius: 4px;
}

#form-rsvp input[type="text"]:focus-visible { border-color: var(--c-naranja); }

.grupo-radios {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.grupo-radios legend { font-weight: 600; margin-bottom: 8px; padding: 0; }

.radio-opcion {
  display: flex !important;
  align-items: center;
  gap: 12px;
  min-block-size: var(--touch-min);
  font-weight: 400 !important;
  margin: 0 !important;
  cursor: pointer;
  padding: 8px 12px;
  border: 2px solid var(--c-gris-borde);
  border-radius: 4px;
  background-color: var(--c-blanco-puro);
  transition: border-color 0.15s, background-color 0.15s;
}

.radio-opcion:hover { border-color: var(--c-naranja); }

.radio-opcion input[type="radio"] {
  width: 22px;
  height: 22px;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--c-naranja);
}

.radio-opcion span {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
}

.radio-opcion:has(input[type="radio"]:checked) {
  border-color: var(--c-naranja);
  background-color: rgba(255, 90, 31, 0.08);
}

#btn-enviar {
  width: 100%;
  min-block-size: var(--touch-min);
  padding: 12px 16px;
  background-color: var(--c-naranja);
  color: var(--c-blanco);
  font-family: var(--font-titulos);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  text-transform: uppercase;
}

#btn-enviar:hover:not([disabled]),
#btn-enviar:focus-visible { filter: brightness(0.92); }

#btn-enviar[disabled] {
  background-color: var(--c-gris-claro);
  cursor: not-allowed;
}

#hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

#mensaje-cierre {
  background-color: var(--c-blanco-puro);
  border: 2px solid var(--c-naranja);
  padding: 16px;
  border-radius: 6px;
}

.field-error {
  display: block;
  margin-top: 4px;
  font-size: 0.875rem;
  color: var(--c-error);
}

/* --------------------------- Vista dorsal -------------------------------- */
#vista-dorsal {
  background-color: var(--c-blanco-puro);
  color: var(--c-negro);
  border: 6px solid var(--c-negro);
  border-radius: 8px;
  padding: 24px 16px;
  margin: 24px auto;
  max-width: 480px;
  text-align: center;
}

#vista-dorsal::after {
  content: "";
  display: block;
  height: 18px;
  margin: 16px -16px -24px;
  background: repeating-linear-gradient(
    45deg,
    var(--c-negro) 0 10px,
    var(--c-blanco) 10px 20px
  );
  border-top: 3px solid var(--c-lima);
}

#dorsal-numero {
  font-family: var(--font-titulos);
  font-size: clamp(64px, 22vw, 144px);
  line-height: 1;
  color: var(--c-naranja);
  background-color: var(--c-negro);
  border-radius: 6px;
  padding: 16px 8px;
  font-feature-settings: "tnum";
  margin: 16px 0;
  letter-spacing: 0.04em;
}

#dorsal-nombre {
  font-family: var(--font-titulos);
  font-size: clamp(1.5rem, 6vw, 2.25rem);
  letter-spacing: 0.05em;
  margin: 8px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#dorsal-mensaje {
  font-size: 1rem;
  color: var(--c-pista);
  margin: 8px 0 0;
}

/* --------------------------- Mensaje de error ---------------------------- */
#mensaje-error {
  background-color: var(--c-blanco-puro);
  border-left: 6px solid var(--c-error);
  padding: 12px 16px;
  border-radius: 4px;
  margin: 16px 0;
  font-size: 0.9375rem;
}

#mensaje-error button {
  margin-top: 8px;
  background-color: var(--c-naranja);
  color: var(--c-blanco);
  border: 0;
  border-radius: 4px;
  padding: 8px 16px;
  font-family: var(--font-titulos);
  font-size: 1rem;
  cursor: pointer;
}

@media (min-width: 768px) {
  #cuenta-regresiva { gap: 12px; }
  #cuenta-regresiva .cr-componente { padding: 16px 8px; }
  #vista-dorsal { padding: 32px 24px; }
}

@media (max-width: 359px) {
  #cuenta-regresiva { gap: 4px; }
  #cr-dias, #cr-horas, #cr-min, #cr-seg { font-size: 2.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}