/* ==========================================================================
   Jocsalut · estilos
   ========================================================================== */
:root {
  --fondo: #fbf7f6;
  --fondo-alt: #ffffff;
  /* Colores del logo: azul petróleo #04313f, coral #eb5e6e, rosa #feb7b1, celeste #a5ddee, gris azulado #7a99ad */
  --texto: #04313f;
  --texto-suave: #47626e;
  --borde: #e3e8ec;
  --marca: #04313f;
  --acento: #e2505f;
  --acento-2: #3ba3c9;
  --acento-3: #feb7b1;
  --acento-4: #7a99ad;
  --celeste: #a5ddee;
  --sombra: 0 1px 2px rgba(4, 49, 63, .06), 0 8px 24px rgba(4, 49, 63, .08);
  --sombra-alta: 0 4px 8px rgba(4, 49, 63, .08), 0 20px 40px rgba(4, 49, 63, .14);
  --radio: 20px;
  --fuente-tit: 'Montserrat', system-ui, sans-serif;
  --fuente: 'Inter', system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fondo: #03222c; --fondo-alt: #062d39;
    --texto: #eef6f8; --texto-suave: #9fb9c2; --borde: #164452; --marca: #eef6f8;
    --sombra: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.3);
    --sombra-alta: 0 4px 8px rgba(0,0,0,.3), 0 20px 40px rgba(0,0,0,.45);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --fondo: #03222c; --fondo-alt: #062d39;
  --texto: #eef6f8; --texto-suave: #9fb9c2; --borde: #164452; --marca: #eef6f8;
  --sombra: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.3);
  --sombra-alta: 0 4px 8px rgba(0,0,0,.3), 0 20px 40px rgba(0,0,0,.45);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0; background: var(--fondo); color: var(--texto);
  font: 400 1rem/1.6 var(--fuente); -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--fuente-tit); line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.025em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: inherit; }
img, svg { display: block; }
.ico { flex: none; display: inline-block; vertical-align: middle; }
.contenedor { width: min(1180px, 100% - 32px); margin-inline: auto; }
.saltar { position: absolute; left: -999px; top: 8px; background: var(--acento); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.saltar:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--acento); outline-offset: 3px; border-radius: 6px; }

/* Botones ---------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font: 600 1rem/1 var(--fuente-tit); text-decoration: none; cursor: pointer;
  padding: .95em 1.5em; border-radius: 999px; border: 2px solid transparent;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--prim { background: var(--acento); color: #fff; box-shadow: 0 8px 20px rgba(226, 80, 95, .35); }
.btn--prim:hover { box-shadow: 0 12px 28px rgba(226, 80, 95, .45); }
.btn--borde { border-color: currentColor; background: transparent; color: var(--texto); }
.btn--borde:hover { background: var(--texto); color: var(--fondo); }
.btn--peq { padding: .6em 1.1em; font-size: .9rem; }
.btn--bloque { width: 100%; }
.icon-btn {
  display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid var(--borde); background: transparent; color: var(--texto); cursor: pointer;
}
.si-oscuro { display: none; }
:root[data-theme="dark"] .si-oscuro { display: inline; }
:root[data-theme="dark"] .si-claro { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .si-oscuro { display: inline; }
  :root:not([data-theme="light"]) .si-claro { display: none; }
}

/* Cabecera ---------------------------------------------------------------- */
.cabecera {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--fondo) 80%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.cabecera.con-sombra { border-bottom-color: var(--borde); }
.cabecera__in { display: flex; align-items: center; gap: 12px; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; }
.logo__marca {
  width: 44px; height: 44px; border-radius: 12px; box-shadow: 0 2px 8px rgba(4,49,63,.15);
  transform: rotate(-6deg); transition: transform .4s;
}
.logo:hover .logo__marca { transform: rotate(6deg) scale(1.06); }
.logo__texto { font: 800 1.45rem/1 'Montserrat', sans-serif; letter-spacing: -.01em; color: var(--marca); }
.logo--claro .logo__texto { color: #fff; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a:not(.btn) { text-decoration: none; font-weight: 500; padding: .5em .8em; border-radius: 10px; color: var(--texto-suave); }
.nav a:not(.btn):hover { color: var(--texto); background: var(--borde); }
.nav .btn { margin-left: 8px; }
.menu-btn { display: none; }

@media (max-width: 860px) {
  .menu-btn { display: inline-grid; }
  .nav {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch;
    padding: 16px; gap: 4px; background: var(--fondo); border-bottom: 1px solid var(--borde);
    transform: translateY(-120%); transition: transform .3s; box-shadow: var(--sombra);
  }
  .nav.abierto { transform: none; }
  .nav a:not(.btn) { padding: .8em 1em; font-size: 1.1rem; }
  .nav .btn { margin: 8px 0 0; }
}

/* Portada ----------------------------------------------------------------- */
.hero { position: relative; padding: clamp(40px, 8vw, 96px) 0 clamp(56px, 8vw, 110px); overflow: hidden; }
.hero__fondo span {
  position: absolute; border-radius: 50%; filter: blur(70px); opacity: .35; z-index: -1;
  animation: flotar 14s ease-in-out infinite alternate;
}
.hero__fondo span:nth-child(1) { width: 420px; height: 420px; background: var(--acento); top: -120px; right: -60px; }
.hero__fondo span:nth-child(2) { width: 360px; height: 360px; background: var(--celeste); bottom: -140px; left: -100px; animation-delay: -5s; }
.hero__fondo span:nth-child(3) { width: 260px; height: 260px; background: var(--acento-3); top: 40%; left: 45%; opacity: .2; animation-delay: -9s; }
@keyframes flotar { to { transform: translate(40px, 30px) scale(1.1); } }
.hero__in { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 em { font-style: normal; color: var(--acento); position: relative; white-space: nowrap; }
.hero h1 em::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: .05em; height: .18em;
  background: var(--acento-3); opacity: .8; border-radius: 4px; z-index: -1;
}
.antetitulo {
  display: inline-flex; align-items: center; gap: .5em; font: 600 .85rem/1 var(--fuente-tit);
  text-transform: uppercase; letter-spacing: .1em; color: var(--acento); margin-bottom: 1.2em;
}
.hero__lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--texto-suave); max-width: 38em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 2em 0 2.5em; }
.cifras { display: flex; flex-wrap: wrap; gap: 12px 40px; margin: 0; }
.cifras dt { font: 800 2.2rem/1 var(--fuente-tit); color: var(--texto); }
.cifras dd { margin: .3em 0 0; color: var(--texto-suave); font-size: .9rem; }

/* Mini-juego ruleta */
.demo {
  background: var(--fondo-alt); border: 1px solid var(--borde); border-radius: 28px;
  padding: 24px; box-shadow: var(--sombra-alta); display: grid; gap: 20px;
}
.demo__rueda { position: relative; width: min(100%, 300px); aspect-ratio: 1; margin: 0 auto; }
.demo__rueda svg { width: 100%; height: 100%; transition: transform 4s cubic-bezier(.17, .89, .2, 1); filter: drop-shadow(0 10px 20px rgba(4,49,63,.2)); }
.demo__rueda text { font: 700 9px var(--fuente-tit); fill: #fff; pointer-events: none; }
.demo__puntero {
  position: absolute; top: -6px; left: 50%; transform: translateX(-50%); z-index: 2;
  width: 0; height: 0; border-left: 14px solid transparent; border-right: 14px solid transparent;
  border-top: 26px solid var(--texto);
}
.demo__girar {
  position: absolute; inset: 0; margin: auto; width: 31%; height: 31%; border-radius: 50%;
  border: 5px solid #fff; background: var(--marca); color: var(--fondo); cursor: pointer;
  font: 800 1.1rem/1 var(--fuente-tit); box-shadow: 0 6px 16px rgba(0,0,0,.25); transition: transform .2s;
}
.demo__girar:hover:not(:disabled) { transform: scale(1.07); }
.demo__girar:disabled { cursor: wait; opacity: .9; }
.demo__tarjeta { text-align: center; min-height: 190px; }
.demo__cat { font: 700 .8rem/1 var(--fuente-tit); text-transform: uppercase; letter-spacing: .1em; color: var(--acento); margin-bottom: .6em; }
.demo__preg { font: 600 1.1rem/1.35 var(--fuente-tit); margin-bottom: .9em; }
.demo__ops { display: grid; gap: 8px; }
.demo__ops button {
  font: 500 .95rem var(--fuente); padding: .7em 1em; border-radius: 12px; cursor: pointer;
  border: 1px solid var(--borde); background: var(--fondo); color: var(--texto); transition: background .2s, border-color .2s, transform .15s;
}
.demo__ops button:hover:not(:disabled) { border-color: var(--acento); transform: translateY(-1px); }
.demo__ops button.bien { background: #1f8a70; border-color: #1f8a70; color: #fff; }
.demo__ops button.mal { background: #e5484d; border-color: #e5484d; color: #fff; }
.demo__marcador { margin: 1em 0 0; color: var(--texto-suave); font-size: .9rem; }
.demo__marcador strong { color: var(--texto); font-size: 1.1rem; }
.pop { animation: pop .4s; }
@keyframes pop { 50% { transform: scale(1.4); } }

/* Secciones --------------------------------------------------------------- */
.seccion { padding: clamp(64px, 9vw, 110px) 0; }
.seccion--alt { background: var(--fondo-alt); }
.seccion__cab { text-align: center; max-width: 720px; margin: 0 auto clamp(36px, 5vw, 56px); }
.seccion__cab p:last-child { color: var(--texto-suave); font-size: 1.1rem; }

/* Modalidades (duos) */
.duos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.duo {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: start; gap: 12px;
  background: var(--fondo-alt); border: 1px solid var(--borde); border-radius: var(--radio); padding: 26px 20px;
}
.duo__lado h3 { font-size: 1.1rem; margin: .7em 0 .3em; }
.duo__lado p { font-size: .9rem; color: var(--texto-suave); margin: 0; }
.duo__ico { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; color: #fff; }
.duo:nth-child(1) .duo__ico { background: var(--acento); }
.duo:nth-child(2) .duo__ico { background: var(--acento-4); }
.duo:nth-child(3) .duo__ico { background: var(--acento-2); }
.duo__lado:last-child .duo__ico { filter: saturate(.8) brightness(.9); }
.duo__o { align-self: center; font: 700 .85rem var(--fuente-tit); color: var(--texto-suave); border: 1px solid var(--borde); border-radius: 50%; width: 32px; height: 32px; display: grid; place-items: center; }

/* Filtros */
.filtros { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 36px; }
.seg { display: inline-flex; align-items: center; gap: 2px; padding: 4px; border-radius: 999px; background: var(--fondo); border: 1px solid var(--borde); }
.seg__tit { font: 600 .75rem var(--fuente-tit); text-transform: uppercase; letter-spacing: .08em; color: var(--texto-suave); padding: 0 .6em 0 .9em; }
.seg button {
  font: 500 .9rem var(--fuente); padding: .55em 1em; border-radius: 999px; border: 0; cursor: pointer;
  background: transparent; color: var(--texto-suave); transition: background .2s, color .2s;
}
.seg button:hover { color: var(--texto); }
.seg button.activo { background: var(--marca); color: var(--fondo); }

/* Tarjetas de juego */
.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 22px; }
.tarjeta {
  --c: var(--acento); position: relative; border-radius: var(--radio); background: var(--fondo-alt);
  border: 1px solid var(--borde); box-shadow: var(--sombra); overflow: hidden;
  transition: transform .3s, box-shadow .3s, opacity .3s;
}
.seccion--alt .tarjeta { background: var(--fondo); }
.tarjeta::before { content: ''; position: absolute; inset: 0 0 auto; height: 5px; background: var(--c); }
.tarjeta:hover { transform: translateY(-6px); box-shadow: var(--sombra-alta); }
.tarjeta.oculta { display: none; }
.tarjeta__enlace { display: flex; flex-direction: column; height: 100%; padding: 26px; text-decoration: none; }
.tarjeta__cab { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.tarjeta__ico {
  display: grid; place-items: center; width: 64px; height: 64px; border-radius: 18px;
  background: color-mix(in srgb, var(--c) 15%, transparent); color: var(--c); transition: transform .4s;
}
.tarjeta:hover .tarjeta__ico { transform: rotate(-10deg) scale(1.08); }
.tarjeta__meta { display: inline-flex; gap: 6px; align-items: center; font-size: .85rem; color: var(--texto-suave); }
.tarjeta p { color: var(--texto-suave); }
.tarjeta__mas { margin-top: auto; padding-top: 12px; display: inline-flex; align-items: center; gap: 6px; font: 600 .95rem var(--fuente-tit); color: var(--c); }
.tarjeta__mas .ico { transition: transform .2s; }
.tarjeta:hover .tarjeta__mas .ico { transform: translateX(4px); }
.tarjeta--medida { border-style: dashed; box-shadow: none; --c: var(--texto-suave); }
.tarjeta--medida::before { display: none; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 0 8px; }
.chips li { font-size: .78rem; font-weight: 500; padding: .3em .75em; border-radius: 999px; background: var(--borde); color: var(--texto); }
.chips--grandes li { font-size: .9rem; background: rgba(255,255,255,.2); color: #fff; padding: .4em 1em; }
.chips--ejemplos { gap: 8px; margin-bottom: 2.5em; }
.chips--ejemplos li { font-size: .9rem; padding: .5em 1em; background: color-mix(in srgb, var(--c) 14%, transparent); }
.sin-resultados { text-align: center; margin-top: 24px; color: var(--texto-suave); }

/* Pasos */
.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: paso; }
.pasos li { position: relative; padding: 26px; border-radius: var(--radio); background: var(--fondo-alt); border: 1px solid var(--borde); }
.pasos li p { color: var(--texto-suave); margin: 0; }
.pasos__n {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; margin-bottom: 16px;
  font: 800 1.2rem var(--fuente-tit); color: #fff; background: linear-gradient(135deg, var(--acento), #f08a8f);
}
.pasos--lista { grid-template-columns: 1fr; gap: 12px; margin-bottom: 2.5em; }
.pasos--lista li { display: flex; align-items: center; gap: 16px; padding: 16px 20px; }
.pasos--lista .pasos__n { margin: 0; background: var(--c); }
.pasos--lista li p { color: var(--texto); }

/* Público */
.publico { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.publico li { display: flex; flex-direction: column; gap: 4px; padding: 22px 24px; border-radius: 16px; background: var(--fondo); border-left: 4px solid var(--acento-2); }
.publico li:nth-child(3n+2) { border-left-color: var(--acento); }
.publico li:nth-child(3n) { border-left-color: var(--acento-4); }
.publico strong { font: 700 1.1rem var(--fuente-tit); }
.publico span { color: var(--texto-suave); }

/* Contacto */
.contacto { background: linear-gradient(135deg, #04313f, #0b4d5f); color: #eef6f8; }
.contacto .antetitulo { color: var(--acento-3); }
.contacto__logo { width: 120px; height: 120px; border-radius: 28px; margin-bottom: 24px; box-shadow: 0 16px 40px rgba(0,0,0,.3); transform: rotate(-4deg); }
.contacto__in { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.contacto__txt p { color: #b8c9da; font-size: 1.1rem; }
.contacto__datos { list-style: none; padding: 0; margin: 2em 0 0; display: grid; gap: 12px; }
.contacto__datos li { display: flex; align-items: center; gap: 12px; }
.form { background: #fff; color: #04313f; border-radius: 24px; padding: clamp(22px, 4vw, 36px); display: grid; gap: 16px; box-shadow: 0 30px 60px rgba(0,0,0,.3); }
.form__fila { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: .9rem; }
.form input, .form select, .form textarea {
  font: 400 1rem var(--fuente); padding: .8em 1em; border-radius: 12px; border: 1.5px solid #e3e8ec;
  background: #fbf7f6; color: #04313f; width: 100%; transition: border-color .2s, background .2s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--acento); background: #fff; }
.form .invalido { border-color: #e5484d; }
.form .btn { justify-self: start; }
.form__estado { margin: 0; font-weight: 600; }
.form__estado.ok { color: #0e8a7c; }
.form__estado.error { color: #c9302c; }
.trampa { position: absolute; left: -9999px; }
.aviso { margin: 0; padding: .9em 1.1em; border-radius: 12px; font-weight: 600; }
.aviso--ok { background: #ddf6f2; color: #0e6f64; }
.aviso--error { background: #fde4e4; color: #a32622; }

/* Ficha de juego */
.ficha-hero { background: linear-gradient(135deg, color-mix(in srgb, var(--c) 85%, #04313f), color-mix(in srgb, var(--c) 55%, #04313f)); color: #fff; padding: clamp(36px, 6vw, 72px) 0 clamp(48px, 7vw, 88px); position: relative; overflow: hidden; }
.ficha-hero::after { content: ''; position: absolute; width: 520px; height: 520px; border-radius: 50%; background: rgba(255,255,255,.12); right: -160px; top: -200px; }
.ficha-hero__in { position: relative; z-index: 1; }
.ficha-hero .hero__lead { color: rgba(255,255,255,.92); }
.ficha-hero__ico { display: grid; place-items: center; width: 96px; height: 96px; border-radius: 28px; background: rgba(255,255,255,.2); margin: 24px 0; }
.volver { color: #fff; text-decoration: none; font-weight: 600; opacity: .9; }
.volver:hover { opacity: 1; text-decoration: underline; }
.ficha { display: grid; grid-template-columns: 1fr 340px; gap: clamp(32px, 5vw, 64px); align-items: start; }
.ficha__cuerpo h2 { font-size: 1.6rem; }
.ficha__desc { font-size: 1.15rem; color: var(--texto-suave); margin-bottom: 2.5em; }
.lista-check { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.lista-check li { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.lista-check .ico { color: var(--c); }
.ficha__datos { position: sticky; top: 96px; background: var(--fondo-alt); border: 1px solid var(--borde); border-radius: var(--radio); padding: 24px; box-shadow: var(--sombra); display: grid; gap: 12px; }
.ficha__datos dl { margin: 0 0 8px; display: grid; gap: 16px; }
.ficha__datos dt { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--texto-suave); }
.ficha__datos dt .ico { color: var(--c); }
.ficha__datos dd { margin: 4px 0 0; font-weight: 600; }

/* Pie */
.pie { background: #021c24; color: #b8c9da; padding: 64px 0 24px; }
.pie__in { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.pie h3 { color: #fff; font-size: 1rem; }
.pie ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.pie a { text-decoration: none; }
.pie a:hover { color: #fff; }
.pie__txt { margin-top: 1em; max-width: 30em; }
.pie__legal { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 1px solid #12404c; font-size: .85rem; }

/* Animación de entrada */
.revelar { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.revelar.visible { opacity: 1; transform: none; }
.no-js .revelar { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .revelar { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 1000px) {
  .duos { grid-template-columns: 1fr; max-width: 620px; margin: 0 auto; }
  .pasos { grid-template-columns: repeat(2, 1fr); }
  .publico { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .hero__in, .contacto__in, .ficha { grid-template-columns: 1fr; }
  .ficha__datos { position: static; }
  .pie__in { grid-template-columns: 1fr 1fr; }
  .pie__in > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .pasos, .publico, .form__fila { grid-template-columns: 1fr; }
  .seg { flex-wrap: wrap; justify-content: center; border-radius: 18px; }
  .seg__tit { width: 100%; text-align: center; padding: 6px 0 2px; }
  .duo { padding: 20px 14px; }
  .form .btn { justify-self: stretch; }
  .pie__in { grid-template-columns: 1fr; }
}