/* =========================================================================
   Juan Crespo · Kinesiología deportiva
   Paleta tomada del logo real (histograma de assets/logo-original.jpg).
   ========================================================================= */

:root {
  /* --- Color: los siete del logo --- */
  --petroleo:       #0C243C;   /* 32,2 % del logo: el círculo */
  --petroleo-hondo: #071827;
  --petroleo-alto:  #143454;
  --crema:          #F5E7D4;   /* 31,9 % del logo: fondo y figura */
  --crema-alta:     #FBF3E7;
  --ambar:          #E49C24;   /* las alas */
  --oxido:          #CC6C0C;
  --lima:           #849C3C;
  --bosque:         #3C6C3C;
  --acero:          #0C546C;

  /* Sobre fondo oscuro */
  --tinta-clara:    #F5E7D4;
  --tinta-tenue:    #A9B6C4;
  /* Sobre fondo claro */
  --tinta-oscura:   #0C243C;
  --tinta-media:    #5C6672;

  --borde-claro:    rgba(245,231,212,.16);
  --borde-oscuro:   rgba(12,36,60,.14);

  /* --- Tipografía --- */
  --display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --texto:   "Instrument Sans", system-ui, -apple-system, sans-serif;
  --dato:    "DM Mono", ui-monospace, "SFMono-Regular", monospace;

  /* --- Ritmo --- */
  --margen:  clamp(1.25rem, 5vw, 5.5rem);
  --aire:    clamp(5rem, 11vw, 10rem);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--petroleo);
  color: var(--tinta-clara);
  font-family: var(--texto);
  font-size: 1.0625rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

h1, h2, h3 { margin: 0; font-weight: 400; }

p { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 3px solid var(--ambar);
  outline-offset: 3px;
}

.saltar {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ambar);
  color: var(--petroleo);
  padding: .75rem 1.25rem;
  font-weight: 600;
}
.saltar:focus { left: 0; }

.estela-defs { position: absolute; width: 0; height: 0; }

/* ---------- Piezas compartidas ---------- */
.etiqueta {
  margin: 0 0 1.5rem;
  font-family: var(--dato);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--bosque);
}
.etiqueta--clara { color: var(--ambar); }

.titulo-grande {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.75rem, 7vw, 6rem);
  line-height: .86;
  letter-spacing: -.015em;
  text-transform: uppercase;
  color: var(--crema);
}
.titulo-grande--oscuro { color: var(--petroleo); }

.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  background: var(--ambar);
  color: var(--petroleo);
  border: 0;
  border-radius: 999px;
  padding: 1rem 1.85rem;
  font-family: var(--texto);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .01em;
  text-decoration: none;
  cursor: pointer;
  transition: background .25s ease, transform .25s ease;
}
.boton:hover { background: var(--crema); transform: translateY(-2px); }
.boton--chico { padding: .62rem 1.2rem; font-size: .85rem; }
.boton--ancho { width: 100%; }

.enlace-sub {
  font-family: var(--dato);
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--bosque);
  border-bottom: 1px solid currentColor;
  padding-bottom: .3rem;
  transition: color .25s ease;
}
.enlace-sub:hover { color: var(--oxido); }
.enlace-sub--claro { color: var(--ambar); }
.enlace-sub--claro:hover { color: var(--crema); }

/* La estela: el sistema gráfico del logo */
.linea-estela {
  fill: none;
  stroke: url(#grad-estela);
  stroke-width: 26;
  stroke-linecap: round;
  opacity: .9;
}
.linea-estela--fina { stroke-width: 8; opacity: .55; }

/* ---------- Barra ---------- */
.barra {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem var(--margen);
  background: rgba(12,36,60,0);
  transition: background .35s ease, box-shadow .35s ease, padding .35s ease;
}
.barra.es-solida {
  background: rgba(7,24,39,.93);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--borde-claro);
  padding-top: .7rem;
  padding-bottom: .7rem;
}

.barra__marca {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  margin-right: auto;
}
.barra__marca img { border-radius: 50%; }
.barra__marca span { display: flex; flex-direction: column; line-height: 1.15; }
.barra__marca b {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: .01em;
  text-transform: uppercase;
}
.barra__marca i {
  font-family: var(--dato);
  font-style: normal;
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tinta-tenue);
}

.barra__nav { display: flex; gap: 1.75rem; }
.barra__nav a {
  font-size: .9rem;
  text-decoration: none;
  color: var(--tinta-tenue);
  transition: color .2s ease;
}
.barra__nav a:hover { color: var(--ambar); }

/* ---------- 1 · Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 8rem var(--margen) clamp(2rem, 5vw, 4rem);
  background: var(--petroleo);
  overflow: hidden;
}

.hero__estelas {
  position: absolute;
  inset: -10% -5% auto;
  width: 110%;
  height: 118%;
  z-index: 0;
  opacity: .8;
}

/* Velo: apaga la estela por detrás del texto sin borrarla del todo.
   Sin esto la bajada queda sobre el verde y pierde contraste. */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(102deg,
      var(--petroleo) 8%,
      rgba(12,36,60,.92) 34%,
      rgba(12,36,60,.42) 58%,
      rgba(12,36,60,0) 76%),
    linear-gradient(to top, var(--petroleo) 2%, rgba(12,36,60,.55) 16%, rgba(12,36,60,0) 34%);
}

.hero__cuerpo { position: relative; z-index: 2; }

.hero__titulo {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(3.6rem, 15.5vw, 14rem);
  line-height: .8;
  letter-spacing: -.025em;
  text-transform: uppercase;
  margin: 0 0 clamp(2rem, 5vw, 3.5rem);
}
.hero__titulo .linea { display: block; overflow: hidden; }
.hero__titulo .linea > span { display: block; }
.hero__titulo .linea--acento > span { color: var(--ambar); }

.hero__pie {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--borde-claro);
}
.hero__bajada {
  max-width: 30ch;
  font-size: 1.15rem;
  color: var(--tinta-tenue);
}
.hero__acciones { display: flex; align-items: center; gap: 1.75rem; flex-wrap: wrap; }
.hero__acciones .enlace-sub { color: var(--ambar); }
.hero__acciones .enlace-sub:hover { color: var(--crema); }

.hero__scroll {
  position: relative;
  z-index: 2;
  margin-top: clamp(2.5rem, 6vw, 4rem);
  display: flex;
  align-items: center;
  gap: .8rem;
  font-family: var(--dato);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--tinta-tenue);
}
.hero__scroll span {
  width: 48px;
  height: 1px;
  background: var(--ambar);
  transform-origin: left;
  animation: estirar 2.4s ease-in-out infinite;
}
@keyframes estirar {
  0%, 100% { transform: scaleX(.3); opacity: .5; }
  50%      { transform: scaleX(1);  opacity: 1; }
}

/* ---------- 2 · El trabajo ---------- */
.trabajo {
  background: var(--crema);
  color: var(--tinta-oscura);
  padding: var(--aire) var(--margen);
}

.trabajo__intro { max-width: 62rem; margin-bottom: clamp(3.5rem, 8vw, 6rem); }

.cita p {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.9rem, 5vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -.01em;
  text-transform: uppercase;
}
.cita em { font-style: normal; color: var(--oxido); }
.cita cite {
  display: block;
  margin-top: 1.5rem;
  font-family: var(--dato);
  font-style: normal;
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tinta-media);
}

.tripode {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1px;
  background: var(--borde-oscuro);
  border-block: 1px solid var(--borde-oscuro);
}
.tripode__item {
  position: relative;
  background: var(--crema);
  padding: clamp(2rem, 4vw, 3.25rem) clamp(1.5rem, 3vw, 2.5rem);
}
.tripode__item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--ambar);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .6s cubic-bezier(.22,.61,.36,1);
}
.tripode__item.es-visible::before { transform: scaleX(1); }
.tripode__item[data-tono="oxido"]::before { background: var(--oxido); }
.tripode__item[data-tono="ambar"]::before { background: var(--ambar); }
.tripode__item[data-tono="lima"]::before  { background: var(--lima); }

.tripode__num {
  display: block;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -.01em;
  color: var(--petroleo);
  margin-bottom: 1.25rem;
}
.tripode__item h3 {
  font-family: var(--dato);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bosque);
  margin-bottom: .9rem;
}
.tripode__item p { color: var(--tinta-media); }

/* ---------- 3 · Lesiones (carrusel pineado) ---------- */
.lesiones {
  background: var(--petroleo);
  overflow: hidden;
}
.lesiones__pista {
  display: flex;
  align-items: stretch;
  gap: clamp(1rem, 2vw, 1.75rem);
  padding: var(--aire) var(--margen);
  width: max-content;
}

.lesiones__cabecera {
  width: min(30rem, 78vw);
  flex: none;
  align-self: center;
  padding-right: clamp(1rem, 4vw, 3.5rem);
}
.lesiones__nota {
  margin-top: 1.75rem;
  max-width: 34ch;
  color: var(--tinta-tenue);
}

.ficha {
  flex: none;
  width: min(21rem, 76vw);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  background: var(--petroleo-alto);
  border-top: 4px solid var(--ambar);
}
.ficha[data-tono="oxido"]  { border-top-color: var(--oxido); }
.ficha[data-tono="lima"]   { border-top-color: var(--lima); }
.ficha[data-tono="bosque"] { border-top-color: var(--bosque); }
.ficha[data-tono="acero"]  { border-top-color: var(--acero); }

.ficha__indice {
  font-family: var(--dato);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--tinta-tenue);
}
.ficha__indice span { color: var(--ambar); font-size: 1.05rem; }
.ficha h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.7rem, 2.6vw, 2.35rem);
  line-height: .96;
  text-transform: uppercase;
  letter-spacing: -.005em;
}
.ficha p { color: var(--tinta-tenue); font-size: .98rem; }

.ficha--cierre {
  background: var(--ambar);
  color: var(--petroleo);
  border-top-color: var(--petroleo);
  justify-content: center;
}
.ficha--cierre p { color: rgba(12,36,60,.78); }
.ficha--cierre .boton {
  background: var(--petroleo);
  color: var(--crema);
  margin-top: .75rem;
  align-self: flex-start;
}
.ficha--cierre .boton:hover { background: var(--petroleo-hondo); }

/* ---------- 4 · Marquee ---------- */
.marquee {
  background: var(--crema);
  color: var(--petroleo);
  padding: clamp(1.1rem, 2vw, 1.6rem) 0;
  border-block: 1px solid var(--borde-oscuro);
  overflow: hidden;
}
.marquee__pista {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  width: max-content;
  will-change: transform;
}
.marquee__pista span {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  text-transform: uppercase;
  letter-spacing: .01em;
  white-space: nowrap;
}
.marquee__punto {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--oxido);
  flex: none;
}

/* ---------- 5 · Proceso ---------- */
.proceso {
  background: var(--crema-alta);
  color: var(--tinta-oscura);
  padding: var(--aire) var(--margen);
}
.proceso__cabecera { margin-bottom: clamp(3rem, 7vw, 5rem); }

.etapas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: clamp(2rem, 4vw, 3rem);
  counter-reset: etapa;
}
.etapa {
  position: relative;
  padding-top: 2rem;
  border-top: 2px solid var(--petroleo);
}
.etapa__paso {
  font-family: var(--dato);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bosque);
  margin-bottom: 1rem;
}
.etapa h3 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2rem, 3.4vw, 2.9rem);
  line-height: .95;
  text-transform: uppercase;
  margin-bottom: .9rem;
}
.etapa p { color: var(--tinta-media); font-size: .98rem; }

/* ---------- 6 · Tres Budas ---------- */
.budas {
  position: relative;
  background: var(--petroleo-hondo);
  padding: clamp(4rem, 8vw, 6.5rem) var(--margen);
  overflow: hidden;
}
.budas__texto { position: relative; z-index: 1; max-width: 34rem; }
.budas__texto h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: .98;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.budas__texto p { color: var(--tinta-tenue); margin-bottom: 1.75rem; }
.budas__estela {
  position: absolute;
  right: -5%;
  bottom: -20%;
  width: min(46rem, 62%);
  height: 118%;
  opacity: .5;
  z-index: 0;
}

/* ---------- 7 · Contacto ---------- */
.contacto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: clamp(3rem, 6vw, 5rem);
  background: var(--crema);
  color: var(--tinta-oscura);
  padding: var(--aire) var(--margen);
}
.contacto__bajada {
  margin: 2rem 0 2.5rem;
  max-width: 38ch;
  color: var(--tinta-media);
}
.contacto__datos { display: grid; gap: 1.5rem; }
.contacto__datos .etiqueta { margin-bottom: .35rem; }
.contacto__datos a {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--petroleo);
  transition: color .2s ease;
}
.contacto__datos a:hover { color: var(--oxido); }

.formulario {
  align-self: start;
  background: var(--petroleo);
  color: var(--tinta-clara);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
}
.formulario__titulo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.9rem;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}
.campo { display: grid; gap: .5rem; margin-bottom: 1.25rem; }
.campo label {
  font-family: var(--dato);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tinta-tenue);
}
.campo input,
.campo select,
.campo textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--borde-claro);
  padding: .65rem 0;
  color: var(--crema);
  font-family: var(--texto);
  font-size: 1rem;
  transition: border-color .2s ease;
}
.campo textarea { resize: vertical; }
.campo select option { background: var(--petroleo); color: var(--crema); }
.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  border-bottom-color: var(--ambar);
  outline: none;
}
.campo input::placeholder, .campo textarea::placeholder { color: rgba(169,182,196,.6); }

.formulario .boton { margin-top: .75rem; }
.formulario__aviso {
  margin-top: 1rem;
  font-size: .82rem;
  color: var(--tinta-tenue);
}
.formulario__error {
  margin-top: .75rem;
  font-size: .85rem;
  color: var(--ambar);
}

/* ---------- Pie ---------- */
.pie {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2.5rem;
  padding: clamp(2.5rem, 5vw, 3.5rem) var(--margen);
  background: var(--petroleo-hondo);
  border-top: 1px solid var(--borde-claro);
}
.pie__marca { display: flex; align-items: center; gap: 1rem; margin-right: auto; }
.pie__marca img { border-radius: 50%; }
.pie__marca b {
  display: block;
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 700;
  text-transform: uppercase;
}
.pie__marca span { font-size: .85rem; color: var(--tinta-tenue); }
.pie__links { display: flex; gap: 1.5rem; }
.pie__links a {
  font-family: var(--dato);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--tinta-tenue);
  transition: color .2s ease;
}
.pie__links a:hover { color: var(--ambar); }
.pie__firma {
  width: 100%;
  padding-top: 1.5rem;
  border-top: 1px solid var(--borde-claro);
  font-family: var(--dato);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(169,182,196,.65);
}

/* ---------- Revelados (estado inicial sólo con JS activo) ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .barra__nav { display: none; }
  .lesiones__cabecera { width: min(26rem, 82vw); }
}

@media (max-width: 560px) {
  .barra__marca i { display: none; }
  .hero__pie { flex-direction: column; align-items: flex-start; }
  .pie__marca { margin-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}