/* ============================================================
   KYOKUSHIN BUSTOS DOJO — styles.css
   Sistema visual: poster deportivo premium sobre negro #0a0a0c
   Fuentes: Adobe Fonts kit hmm6ulf (Bebas Neue, Cormorant
   Garamond, Acumin Pro / Condensed) + fallbacks Google.
   ============================================================ */

:root{
  --rojo:        #C8102E;   /* rojo Kyokushin (marca) */
  --rojo-acento: #E4122B;   /* rojo sobre fondos oscuros */
  --azul:        #1B4F8C;
  --tinta:       #16181D;
  --negro:       #0a0a0c;
  --papel:       #FAF7F1;
  --wa:          #25D366;
  --blanco:      #ffffff;
  --gris:        #b9bcc4;   /* texto secundario sobre oscuro */

  --f-impacto:   "bebas-neue-v14-deprecated","Bebas Neue",Impact,sans-serif;
  --f-editorial: "cormorant-garamond","Cormorant Garamond",Georgia,serif;
  --f-texto:     "acumin-pro","Inter","Helvetica Neue",Arial,sans-serif;
  --f-kicker:    "acumin-pro-condensed","Inter","Arial Narrow",sans-serif;

  --ancho: 1180px;
  --nav-h: 74px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--negro);
  color:var(--blanco);
  font-family:var(--f-texto);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.wrap{max-width:var(--ancho);margin:0 auto;padding:0 24px;position:relative;z-index:2}

/* ---------- Tipografía base ---------- */
h1,h2,h3,.display{
  font-family:var(--f-impacto);
  font-weight:400;
  letter-spacing:.02em;
  line-height:.95;
  text-transform:uppercase;
}
h1{font-size:clamp(3.4rem,9vw,7.5rem)}
h2{font-size:clamp(2.4rem,5.5vw,4.2rem)}
h3{font-size:clamp(1.4rem,2.6vw,1.9rem);letter-spacing:.04em}
.rojo{color:var(--rojo-acento)}
.editorial{
  font-family:var(--f-editorial);
  font-style:italic;
  font-weight:500;
  text-transform:none;
  letter-spacing:0;
}
p.lead{font-size:1.15rem;color:var(--gris)}

/* ---------- Kicker (chip rojo) ---------- */
.kicker{
  display:inline-block;
  background:var(--rojo-acento);
  color:var(--blanco);
  font-family:var(--f-kicker);
  font-weight:700;
  font-size:.82rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  padding:.5em 1.1em .45em;
  margin-bottom:1.1rem;
}
.kicker--outline{
  background:transparent;
  border:1px solid rgba(255,255,255,.35);
  color:var(--gris);
}

/* ---------- Botones ---------- */
.btn{
  display:inline-block;
  font-family:var(--f-kicker);
  font-weight:700;
  font-size:1rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  padding:1em 2.2em .9em;
  background:var(--rojo-acento);
  color:var(--blanco);
  border:none;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease;
}
.btn:hover{background:var(--rojo);transform:translateY(-2px)}
.btn--ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.45);
}
.btn--ghost:hover{background:rgba(255,255,255,.08)}

/* ---------- Barra / píldora WhatsApp ---------- */
.wa-pill{
  display:inline-flex;
  align-items:center;
  gap:.9em;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:.55em 1.6em .55em .6em;
  transition:background .15s ease;
}
.wa-pill:hover{background:rgba(255,255,255,.13)}
.wa-pill .wa-ico{
  width:44px;height:44px;flex:0 0 44px;
  background:var(--wa);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.wa-pill .wa-ico svg{width:24px;height:24px;fill:#fff}
.wa-pill small{
  display:block;
  font-family:var(--f-kicker);
  font-size:.68rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--gris);
}
.wa-pill strong{
  font-family:var(--f-impacto);
  font-size:1.5rem;
  letter-spacing:.06em;
  line-height:1;
}

/* ---------- Slash diagonal (esquina) ---------- */
.slash{
  position:absolute;
  top:var(--nav-h);left:0;
  width:min(46vw,420px);
  height:110px;
  pointer-events:none;
  z-index:5;
  overflow:hidden;
}
.slash::before,.slash::after{
  content:"";
  position:absolute;
  left:-12%;
  width:130%;
  transform:rotate(-14deg);
  transform-origin:left top;
}
.slash::before{top:-46px;height:86px;background:linear-gradient(90deg,var(--rojo-acento),var(--rojo))}
.slash::after{top:52px;height:3px;background:var(--blanco);opacity:.9}
.slash--br{left:auto;right:0;top:auto;bottom:0;transform:scale(-1)}

/* ---------- Franja roja fina ---------- */
.strip{height:6px;background:linear-gradient(90deg,var(--rojo),var(--rojo-acento));position:relative;z-index:4}

/* ---------- Medallón de logo ---------- */
.medallion{
  width:64px;height:64px;flex:0 0 64px;
  background:var(--blanco);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
  box-shadow:0 4px 18px rgba(0,0,0,.45);
}
.medallion img{width:86%;height:86%;object-fit:contain}

/* ---------- NAV ---------- */
.nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:linear-gradient(180deg,rgba(10,10,12,.92),rgba(10,10,12,.78));
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.nav .wrap{display:flex;align-items:center;gap:1rem;width:100%}
.nav-brand{display:flex;align-items:center;gap:.8rem;margin-right:auto}
.nav-brand .medallion{width:46px;height:46px;flex-basis:46px;box-shadow:none}
.nav-brand b{
  font-family:var(--f-kicker);
  font-weight:700;
  font-size:.86rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  line-height:1.25;
}
.nav-brand b small{display:block;color:var(--gris);font-size:.62rem;letter-spacing:.3em}
.nav-links{display:flex;align-items:center;gap:1.7rem}
.nav-links a{
  font-family:var(--f-kicker);
  font-weight:700;
  font-size:.8rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gris);
  padding:.4em 0;
  border-bottom:2px solid transparent;
  transition:color .15s ease;
}
.nav-links a:hover{color:var(--blanco)}
.nav-links a.activo{color:var(--blanco);border-bottom-color:var(--rojo-acento)}
.nav-cta{margin-left:.6rem}
.nav-cta .btn{padding:.7em 1.4em .6em;font-size:.8rem}
.nav-burger{
  display:none;
  background:none;border:none;cursor:pointer;
  width:42px;height:42px;
  flex-direction:column;align-items:center;justify-content:center;gap:6px;
}
.nav-burger span{display:block;width:24px;height:2px;background:var(--blanco);transition:transform .2s ease,opacity .2s ease}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;
  align-items:flex-end;
  padding:calc(var(--nav-h) + 60px) 0 90px;
  isolation:isolate;
}
.hero--sub{min-height:72svh;padding-bottom:70px}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-size:cover;
  background-position:center 22%;
}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(10,10,12,.55) 0%,rgba(10,10,12,.15) 40%,rgba(10,10,12,.88) 82%,var(--negro) 100%),
    linear-gradient(90deg,rgba(10,10,12,.72) 0%,rgba(10,10,12,.15) 55%,rgba(10,10,12,.3) 100%);
}
.hero h1{margin:.4rem 0 1.2rem;max-width:11ch}
.hero .lead{max-width:52ch;margin-bottom:2rem}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:1.4rem}
.hero-firma{
  margin-top:2.6rem;
  font-family:var(--f-editorial);
  font-style:italic;
  font-size:1.15rem;
  color:var(--gris);
}

/* ---------- Secciones ---------- */
.seccion{padding:110px 0;position:relative}
.seccion--papel{background:var(--papel);color:var(--tinta)}
.seccion--papel .kicker--outline{border-color:rgba(22,24,29,.3);color:#6b6f78}
.seccion--papel p.lead{color:#4c505a}
.seccion--tinta{background:var(--tinta)}
.seccion-head{max-width:760px;margin-bottom:3.2rem}
.seccion-head h2{margin-bottom:1rem}

/* Sección con foto de fondo a sangre */
.seccion--foto{
  padding:150px 0;
  isolation:isolate;
}
.seccion--foto .foto-bg{
  position:absolute;inset:0;z-index:-2;
  background-size:cover;background-position:center;
}
.seccion--foto .foto-veil{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(10,10,12,.92) 0%,rgba(10,10,12,.6) 55%,rgba(10,10,12,.25) 100%);
}

/* ---------- Grids de tarjetas ---------- */
.grid{display:grid;gap:1.4rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.09);
  padding:2rem 1.8rem;
  position:relative;
  overflow:hidden;
  transition:transform .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(228,18,43,.55)}
.card::before{
  content:"";
  position:absolute;top:0;left:0;
  width:44px;height:4px;
  background:var(--rojo-acento);
}
.card h3{margin:.9rem 0 .6rem}
.card p{color:var(--gris);font-size:.98rem}
.card .icono{
  font-size:1.9rem;line-height:1;
  filter:grayscale(.1);
}
.seccion--papel .card{background:#fff;border-color:rgba(22,24,29,.1)}
.seccion--papel .card p{color:#4c505a}

/* Tarjeta de disciplina con foto */
.card-foto{
  position:relative;
  min-height:440px;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:2rem 1.8rem;
  border:1px solid rgba(255,255,255,.1);
  overflow:hidden;
  isolation:isolate;
}
.card-foto .cf-bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;transition:transform .35s ease}
.card-foto:hover .cf-bg{transform:scale(1.05)}
.card-foto .cf-veil{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(10,10,12,.05) 30%,rgba(10,10,12,.92) 85%)}
.card-foto h3{font-size:2rem}
.card-foto p{color:var(--gris);font-size:.95rem;margin:.4rem 0 1rem}
.card-foto .mini-cta{
  font-family:var(--f-kicker);font-weight:700;font-size:.8rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--rojo-acento);
}

/* ---------- Horario ---------- */
.horario{width:100%;border-collapse:collapse;font-size:.95rem}
.horario th,.horario td{
  border:1px solid rgba(255,255,255,.12);
  padding:.85em 1em;
  text-align:left;
  vertical-align:top;
}
.horario th{
  font-family:var(--f-kicker);
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  font-size:.78rem;
  background:rgba(228,18,43,.14);
  color:var(--blanco);
}
.horario td b{font-family:var(--f-impacto);font-size:1.15rem;letter-spacing:.04em;font-weight:400}
.horario td span{display:block;color:var(--gris);font-size:.84rem;margin-top:.15rem}
.horario .hora{
  font-family:var(--f-impacto);
  font-size:1.2rem;
  color:var(--rojo-acento);
  white-space:nowrap;
  background:rgba(255,255,255,.03);
}
.tabla-scroll{overflow-x:auto}
.tabla-scroll .horario{min-width:680px}

/* ---------- Pasos (cómo empezar) ---------- */
.pasos{counter-reset:paso}
.paso{position:relative;padding-left:0}
.paso .num{
  font-family:var(--f-impacto);
  font-size:4.6rem;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px var(--rojo-acento);
}
.paso h3{margin:.6rem 0 .5rem}
.paso p{color:var(--gris);font-size:.98rem}

/* ---------- Timeline linaje ---------- */
.linaje{position:relative;padding-left:2.2rem;border-left:2px solid rgba(228,18,43,.5)}
.linaje li{position:relative;padding-bottom:2.4rem}
.linaje li:last-child{padding-bottom:0}
.linaje li::before{
  content:"";
  position:absolute;left:calc(-2.2rem - 7px);top:.45rem;
  width:12px;height:12px;border-radius:50%;
  background:var(--rojo-acento);
  box-shadow:0 0 0 4px rgba(228,18,43,.25);
}
.linaje b{
  display:block;
  font-family:var(--f-impacto);
  font-size:1.7rem;
  letter-spacing:.04em;
  font-weight:400;
}
.linaje small{
  display:block;
  font-family:var(--f-kicker);
  font-weight:700;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--rojo-acento);
  font-size:.74rem;
  margin-bottom:.35rem;
}
.linaje p{color:var(--gris);font-size:.96rem;max-width:56ch}

/* ---------- Testimonios ---------- */
.testimonio{
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.09);
  padding:2.2rem 2rem;
}
.testimonio blockquote{
  font-family:var(--f-editorial);
  font-style:italic;
  font-size:1.25rem;
  line-height:1.5;
  margin-bottom:1.4rem;
}
.testimonio cite{
  font-family:var(--f-kicker);
  font-style:normal;
  font-weight:700;
  font-size:.78rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--rojo-acento);
}
.testimonio cite span{display:block;color:var(--gris);margin-top:.2rem}

/* ---------- Formularios ---------- */
.form{display:grid;gap:1.2rem}
.form-2{grid-template-columns:1fr 1fr}
.campo{display:flex;flex-direction:column;gap:.45rem}
.campo.full{grid-column:1/-1}
.campo label{
  font-family:var(--f-kicker);
  font-weight:700;
  font-size:.74rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--gris);
}
.campo input,.campo select,.campo textarea{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  color:var(--blanco);
  font-family:var(--f-texto);
  font-size:1rem;
  padding:.85em 1em;
  outline:none;
  transition:border-color .15s ease;
  border-radius:0;
  appearance:none;
}
.campo select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23b9bcc4' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 1em center;
}
.campo select option{background:var(--tinta);color:var(--blanco)}
.campo input:focus,.campo select:focus,.campo textarea:focus{border-color:var(--rojo-acento)}
.campo input::placeholder,.campo textarea::placeholder{color:rgba(255,255,255,.35)}

/* ---------- CTA final ---------- */
.cta-final{text-align:center}
.cta-final h2{max-width:16ch;margin:0 auto 1.2rem}
.cta-final .lead{margin:0 auto 2.2rem;max-width:46ch}
.cta-final .hero-cta{justify-content:center}

/* ---------- Footer ---------- */
.footer{
  background:#070709;
  border-top:1px solid rgba(255,255,255,.07);
  padding:70px 0 0;
  font-size:.95rem;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem;padding-bottom:56px}
.footer h4{
  font-family:var(--f-kicker);
  font-weight:700;
  font-size:.78rem;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--gris);
  margin-bottom:1.1rem;
}
.footer a{color:var(--gris);transition:color .15s ease}
.footer a:hover{color:var(--blanco)}
.footer li{margin-bottom:.55rem}
.footer .marca{display:flex;align-items:flex-start;gap:1rem}
.footer .marca p{color:var(--gris);font-size:.9rem;margin-top:.8rem;max-width:34ch}
.footer .kun{
  font-family:var(--f-editorial);
  font-style:italic;
  color:var(--gris);
}
.footer-bar{
  border-top:1px solid rgba(255,255,255,.07);
  padding:1.2rem 0;
  font-size:.8rem;
  color:#6c7078;
}
.footer-bar .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem}

/* ---------- WhatsApp flotante ---------- */
.wa-float{
  position:fixed;
  right:22px;bottom:22px;
  z-index:70;
  width:60px;height:60px;
  background:var(--wa);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.5);
  transition:transform .15s ease;
}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#fff}

/* ---------- Reveal on scroll ---------- */
.rev{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.rev.vis{opacity:1;transform:none}

/* ---------- Mapa ---------- */
.mapa iframe{width:100%;height:420px;border:0;display:block;filter:grayscale(.35) contrast(1.05)}

/* ---------- Aviso de éxito/error del form ---------- */
.aviso{
  padding:1em 1.2em;
  border:1px solid rgba(255,255,255,.2);
  font-size:.95rem;
}
.aviso--ok{border-color:var(--wa);color:#b8f5cf}
.aviso--error{border-color:var(--rojo-acento);color:#ffc9d1}

/* ============ RESPONSIVE ============ */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{
    position:fixed;
    top:var(--nav-h);left:0;right:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    background:rgba(10,10,12,.98);
    border-bottom:1px solid rgba(255,255,255,.1);
    padding:.6rem 24px 1.4rem;
    display:none;
  }
  .nav-links.abierto{display:flex}
  .nav-links a{padding:.9em 0;width:100%;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav-cta{margin:1rem 0 0}
  .nav-burger{display:flex}
}
@media (max-width:760px){
  .grid-2,.grid-3{grid-template-columns:1fr}
  .form-2{grid-template-columns:1fr}
  .seccion{padding:80px 0}
  .seccion--foto{padding:110px 0}
  .hero{padding-bottom:70px}
  .slash{height:84px}
  .slash::before{top:-52px;height:78px}
  .slash::after{top:38px}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .wa-pill strong{font-size:1.2rem}
}