/* =====================================================================
   SMAG — Hoja de estilos principal
   Clínica de Estimulación Magnética Transcraneal · smag.com.mx
   Mobile-first · sin frameworks · variables CSS
   ===================================================================== */

/* ---------- 1. Variables de marca ---------- */
:root{
  --verde-principal:#98D90B;  /* marca, CTAs, acentos, glow */
  --verde-secundario:#B1D95B; /* hover, apoyos */
  --verde-claro:#DEF2B3;      /* fondos suaves, destacados */
  --verde-accesible:#4e7a00;  /* texto verde sobre fondo claro (contraste AA) */
  --gris-claro:#F2F2F2;       /* fondos de sección */
  --gris-oscuro:#737373;      /* texto secundario */
  --tinta:#1A1A1A;            /* texto principal */
  --fondo-dark:#101214;       /* secciones "tech" oscuras */
  --dark-card:#181C1F;        /* tarjetas en secciones oscuras */
  --blanco:#FFFFFF;

  --fuente-titulo:'Poppins','Segoe UI',system-ui,Arial,sans-serif;
  --fuente-cuerpo:'Inter','Segoe UI',system-ui,Arial,sans-serif;

  --radio:18px;
  --radio-lg:24px;
  --sombra-suave:0 6px 24px rgba(26,26,26,.08);
  --sombra-media:0 12px 40px rgba(26,26,26,.12);
  --glow-verde:0 0 28px rgba(152,217,11,.45);
  --max:1180px;
  --transicion:.3s cubic-bezier(.2,.7,.3,1);
}

/* ---------- 2. Reset básico ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--fuente-cuerpo);
  color:var(--tinta);
  background:var(--blanco);
  line-height:1.65;
  font-size:17px;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--fuente-titulo);line-height:1.2;font-weight:600;color:var(--tinta)}
h1{font-size:clamp(2rem,6vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.6rem,4.5vw,2.6rem)}
h3{font-size:clamp(1.2rem,3vw,1.5rem)}
p{color:var(--tinta)}
:focus-visible{outline:3px solid var(--verde-accesible);outline-offset:3px;border-radius:6px}

/* ---------- 3. Utilidades de layout ---------- */
.contenedor{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:20px}
.seccion{padding-block:clamp(56px,9vw,104px)}
.seccion--clara{background:var(--blanco)}
.seccion--gris{background:var(--gris-claro)}
.seccion--dark{background:var(--fondo-dark);color:var(--blanco)}
.seccion--dark h1,.seccion--dark h2,.seccion--dark h3,.seccion--dark h4,.seccion--dark p{color:var(--blanco)}
.texto-centrado{text-align:center}
.ojillo{ /* etiqueta pequeña sobre los títulos */
  display:inline-block;font-family:var(--fuente-titulo);font-weight:600;
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--verde-accesible);margin-bottom:12px;
}
.seccion--dark .ojillo{color:var(--verde-principal)}
.plomo{color:var(--gris-oscuro);font-size:1.08rem;max-width:62ch}
.seccion--dark .plomo{color:#c9cfce}
.centrado-max{max-width:720px;margin-inline:auto}

/* ---------- 4. Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--fuente-titulo);font-weight:600;font-size:1rem;
  padding:.85em 1.6em;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:var(--transicion);text-align:center;line-height:1.1;
}
.btn--primario{background:var(--verde-principal);color:var(--tinta);box-shadow:var(--glow-verde)}
.btn--primario:hover{background:var(--verde-secundario);transform:translateY(-2px);box-shadow:0 0 36px rgba(152,217,11,.6)}
.btn--secundario{background:transparent;color:var(--tinta);border-color:var(--tinta)}
.btn--secundario:hover{background:var(--tinta);color:var(--blanco)}
.seccion--dark .btn--secundario,.hero .btn--secundario{color:var(--blanco);border-color:rgba(255,255,255,.55)}
.seccion--dark .btn--secundario:hover,.hero .btn--secundario:hover{background:var(--blanco);color:var(--tinta)}
.btn--bloque{width:100%}
.btn svg{width:1.15em;height:1.15em;fill:currentColor}

/* ---------- 5. Header fijo ---------- */
.header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(255,255,255,.88);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(26,26,26,.07);transition:var(--transicion);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.header__logo{display:flex;align-items:center}
.header__logo img{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:28px}
.nav__list{display:flex;gap:26px}
.nav__list a{font-family:var(--fuente-titulo);font-weight:500;font-size:.98rem;color:var(--tinta);transition:color var(--transicion)}
.nav__list a:hover{color:var(--verde-accesible)}
.nav__cta{display:inline-flex}
.header__toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.header__toggle span{display:block;width:26px;height:2.5px;background:var(--tinta);margin:5px 0;border-radius:2px;transition:var(--transicion)}

/* Menú móvil */
@media (max-width:920px){
  .nav{
    position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--blanco);padding:8px 20px 24px;box-shadow:var(--sombra-media);
    transform:translateY(-130%);transition:transform var(--transicion);pointer-events:none;
  }
  .nav.abierto{transform:translateY(0);pointer-events:auto}
  .nav__list{flex-direction:column;gap:0}
  .nav__list a{display:block;padding:14px 4px;border-bottom:1px solid var(--gris-claro)}
  .nav__cta{margin-top:16px}
  .nav__cta .btn{width:100%}
  .header__toggle{display:block}
  .header__toggle.activo span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .header__toggle.activo span:nth-child(2){opacity:0}
  .header__toggle.activo span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
}

/* ---------- 6. Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--blanco);
  background:radial-gradient(1100px 600px at 70% -10%,rgba(152,217,11,.18),transparent 60%),var(--fondo-dark);
  padding-top:132px;padding-bottom:clamp(64px,10vw,110px);
}
.hero__grid{display:grid;gap:48px;align-items:center}
.hero h1{color:var(--blanco);margin-bottom:18px}
.hero h1 .destaca{color:var(--verde-principal)}
.hero__sub{color:#c9cfce;font-size:1.18rem;max-width:56ch;margin-bottom:30px}
.hero__acciones{display:flex;flex-wrap:wrap;gap:14px}
.hero__sellos{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:30px;color:#9aa3a1;font-size:.85rem;align-items:center}
.hero__sellos b{color:var(--verde-principal)}
.hero__media{position:relative}
.hero__media img{border-radius:var(--radio-lg);box-shadow:0 20px 60px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.08)}
.cerebro-glow{position:absolute;inset:auto -40px -60px auto;width:220px;opacity:.9;filter:drop-shadow(0 0 24px rgba(152,217,11,.6));z-index:-1}
@media (min-width:860px){.hero__grid{grid-template-columns:1.1fr .9fr}}

/* ---------- 7. Tarjetas genéricas ---------- */
.rejilla{display:grid;gap:22px}
.rejilla--2{grid-template-columns:1fr}
.rejilla--3{grid-template-columns:1fr}
.rejilla--4{grid-template-columns:1fr 1fr}
@media (min-width:640px){.rejilla--2{grid-template-columns:1fr 1fr}.rejilla--3{grid-template-columns:1fr 1fr}}
@media (min-width:920px){.rejilla--3{grid-template-columns:repeat(3,1fr)}.rejilla--4{grid-template-columns:repeat(4,1fr)}}

.tarjeta{
  background:var(--blanco);border:1px solid rgba(26,26,26,.07);border-radius:var(--radio);
  padding:28px 24px;box-shadow:var(--sombra-suave);transition:var(--transicion);height:100%;
}
.tarjeta:hover{transform:translateY(-5px);box-shadow:var(--sombra-media)}
.tarjeta__icono{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--verde-claro);color:var(--verde-accesible);
}
.tarjeta__icono svg{width:28px;height:28px;stroke:currentColor;fill:none;stroke-width:2}
.tarjeta h3{margin-bottom:8px}
.tarjeta p{color:var(--gris-oscuro);font-size:.98rem}

/* Tarjetas glassmorphism (secciones oscuras) */
.glass{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radio);padding:28px 24px;backdrop-filter:blur(14px);
  box-shadow:0 10px 40px rgba(0,0,0,.3);transition:var(--transicion);height:100%;
}
.glass:hover{transform:translateY(-5px);border-color:rgba(152,217,11,.45);box-shadow:0 0 34px rgba(152,217,11,.22)}

/* ---------- 8. Bloque "qué es / qué no es" ---------- */
.dos-columnas{display:grid;gap:40px;align-items:center}
@media (min-width:880px){.dos-columnas{grid-template-columns:1fr 1fr}}
.dos-columnas img{border-radius:var(--radio-lg);box-shadow:var(--sombra-media)}
.lista-check li,.lista-cruz li{position:relative;padding-left:34px;margin-bottom:14px;color:var(--tinta)}
.lista-check li::before{content:"";position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:50%;background:var(--verde-claro) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234e7a00' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/13px no-repeat}
.lista-cruz li::before{content:"";position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:50%;background:#fdecec url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c0392b' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3C/svg%3E") center/13px no-repeat}
.caja-suave{background:var(--verde-claro);border-radius:var(--radio);padding:26px}
.caja-suave h3{color:var(--verde-accesible);margin-bottom:14px}

/* ---------- 9. Para quién: dolores del paciente ---------- */
.dolores{display:grid;gap:14px}
@media (min-width:720px){.dolores{grid-template-columns:1fr 1fr}}
.dolor{
  display:flex;gap:12px;align-items:flex-start;background:var(--blanco);
  border:1px solid rgba(26,26,26,.08);border-left:4px solid var(--verde-principal);
  border-radius:12px;padding:16px 18px;font-style:italic;color:var(--tinta);box-shadow:var(--sombra-suave);
}
.dolor::before{content:"“";font-family:var(--fuente-titulo);font-size:1.8rem;line-height:.6;color:var(--verde-principal)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.chip{background:var(--verde-claro);color:var(--verde-accesible);font-weight:600;font-family:var(--fuente-titulo);font-size:.92rem;padding:8px 16px;border-radius:999px}

/* ---------- 10. Proceso (timeline) ---------- */
.timeline{position:relative;display:grid;gap:26px;margin-top:20px}
.paso{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start}
.paso__num{
  width:52px;height:52px;flex:none;border-radius:50%;display:grid;place-items:center;
  font-family:var(--fuente-titulo);font-weight:700;font-size:1.3rem;
  background:var(--verde-principal);color:var(--tinta);box-shadow:var(--glow-verde);
}
.paso__cuerpo{background:var(--blanco);border:1px solid rgba(26,26,26,.07);border-radius:var(--radio);padding:22px 24px;box-shadow:var(--sombra-suave)}
.paso__cuerpo h3{margin-bottom:6px}
.paso__cuerpo p{color:var(--gris-oscuro);font-size:.98rem}
@media (min-width:720px){.timeline{grid-template-columns:repeat(2,1fr);gap:24px}}

/* ---------- 11. Resultados (score animado) ---------- */
.scores{display:grid;gap:20px}
@media (min-width:640px){.scores{grid-template-columns:1fr 1fr}}
@media (min-width:980px){.scores{grid-template-columns:repeat(4,1fr)}}
.score{text-align:center;padding:30px 20px}
.score__num{font-family:var(--fuente-titulo);font-weight:700;font-size:3rem;color:var(--verde-principal);line-height:1;text-shadow:0 0 24px rgba(152,217,11,.5)}
.score__num .pct{font-size:1.5rem}
.score__label{margin-top:10px;color:#c9cfce;font-size:.98rem}
.barra{height:8px;border-radius:999px;background:rgba(255,255,255,.1);margin-top:16px;overflow:hidden}
.barra span{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--verde-secundario),var(--verde-principal));transition:width 1.4s cubic-bezier(.2,.7,.3,1)}
.tabla-dolor{width:100%;border-collapse:collapse;margin-top:28px;font-size:.95rem}
.tabla-dolor caption{text-align:left;color:#9aa3a1;font-size:.9rem;margin-bottom:12px}
.tabla-dolor th,.tabla-dolor td{padding:12px 14px;text-align:left;border-bottom:1px solid rgba(255,255,255,.1)}
.tabla-dolor th{color:var(--verde-principal);font-family:var(--fuente-titulo);font-weight:600}
.tabla-dolor td:last-child{color:var(--verde-secundario);font-weight:600}
.microcopy{font-size:.85rem;color:#9aa3a1;margin-top:18px;max-width:70ch}

/* ---------- 11b. Caritas, gráfica de mejoría y banda de prueba ---------- */
.score__cara{color:var(--verde-principal);margin-bottom:6px}
.score__cara svg{width:42px;height:42px;margin:0 auto;stroke:currentColor;filter:drop-shadow(0 0 10px rgba(152,217,11,.4))}
.nota-escala{color:#9aa3a1;font-size:.92rem;font-weight:400}
.grafico h3{margin-bottom:4px}
.grafico__sub{color:#c9cfce;font-size:.98rem;margin-bottom:18px}
.grafico__svg{width:100%;height:auto;display:block;overflow:visible}
.grafico__nota{color:#9aa3a1;font-size:.85rem;margin-top:14px}
.prueba-band{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:rgba(152,217,11,.06);border:1px solid rgba(152,217,11,.3);border-radius:var(--radio-lg);
  padding:clamp(28px,4vw,44px);box-shadow:0 0 44px rgba(152,217,11,.15)}
.prueba-band__texto{flex:1 1 340px}
.prueba-band__texto .plomo{margin-top:8px}
.prueba-band__cta{flex:0 0 auto}
@media (max-width:620px){.prueba-band__cta .btn{width:100%}}

/* Sublabel de mejoría en las tarjetas de resultado */
.score__meta{color:var(--verde-secundario);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-top:4px}

/* Bloque "¿Qué significa para ti?" (beneficios) */
.beneficios{display:grid;gap:16px;margin-top:26px}
@media (min-width:720px){.beneficios{grid-template-columns:1fr 1fr}}
.beneficio{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:18px 20px}
.beneficio .ico{flex:none;width:42px;height:42px;border-radius:11px;background:rgba(152,217,11,.15);color:var(--verde-principal);display:grid;place-items:center}
.beneficio .ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2}
.beneficio h4{color:#fff;font-size:1.02rem;margin-bottom:3px}
.beneficio p{color:#c9cfce;font-size:.92rem;margin:0}

/* Carrusel de fotos */
.carrusel{position:relative;border-radius:var(--radio-lg);overflow:hidden;box-shadow:var(--sombra-media);background:var(--fondo-dark)}
.carrusel__pista{display:flex;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.carrusel__slide{flex:0 0 100%;width:100%;aspect-ratio:3/2;object-fit:cover;display:block}
.carrusel__flecha{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(0,0,0,.45);color:#fff;font-size:1.7rem;line-height:1;cursor:pointer;display:grid;place-items:center;transition:var(--transicion);backdrop-filter:blur(4px)}
.carrusel__flecha:hover{background:var(--verde-principal);color:var(--tinta)}
.carrusel__flecha--prev{left:12px}
.carrusel__flecha--next{right:12px}
.carrusel__puntos{position:absolute;bottom:14px;left:0;right:0;display:flex;gap:8px;justify-content:center}
.carrusel__punto{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.55);cursor:pointer;padding:0;transition:var(--transicion)}
.carrusel__punto.activo{background:var(--verde-principal);width:24px;border-radius:5px}
@media (max-width:620px){.carrusel__slide{aspect-ratio:4/3}}

/* Video */
.video-wrap{position:relative;border-radius:var(--radio-lg);overflow:hidden;box-shadow:var(--sombra-media);background:#000;max-width:920px;margin-inline:auto}
.video-wrap video{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}

/* Foto de perfil (Dra. Thelma) con respaldo a ícono */
.perfil__foto{position:relative}
.perfil__placeholder{width:90px;height:90px}
.perfil__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit}

/* Galería de instalaciones */
.galeria{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (min-width:760px){.galeria{grid-template-columns:repeat(3,1fr)}}
.galeria img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radio);box-shadow:var(--sombra-suave);transition:var(--transicion)}
.galeria img:hover{transform:translateY(-4px);box-shadow:var(--sombra-media)}

/* ---------- 12. Testimonios ---------- */
.testimonios{display:grid;gap:22px}
@media (min-width:760px){.testimonios{grid-template-columns:1fr 1fr}}
.testimonio{
  background:var(--blanco);border-radius:var(--radio);padding:30px 28px;box-shadow:var(--sombra-suave);
  border:1px solid rgba(26,26,26,.07);position:relative;
}
.testimonio::before{content:"”";position:absolute;top:10px;right:22px;font-family:var(--fuente-titulo);font-size:4rem;color:var(--verde-claro);line-height:1}
.testimonio p{font-size:1.08rem;font-style:italic;color:var(--tinta);position:relative;z-index:1}
.testimonio__pie{margin-top:16px;color:var(--gris-oscuro);font-size:.9rem;font-weight:600}
.testimonio__estrellas{color:var(--verde-principal);letter-spacing:2px;margin-bottom:12px}

/* ---------- 13. Equipo / Dra. Thelma ---------- */
.perfil{display:grid;gap:30px;align-items:center}
@media (min-width:760px){.perfil{grid-template-columns:260px 1fr}}
.perfil__foto{width:100%;max-width:260px;aspect-ratio:1;border-radius:var(--radio-lg);background:var(--verde-claro);display:grid;place-items:center;color:var(--verde-accesible);box-shadow:var(--sombra-media);overflow:hidden}
.perfil__foto svg{width:90px;height:90px}
.perfil h3{margin-bottom:4px}
.perfil .cargo{color:var(--verde-accesible);font-weight:600;font-family:var(--fuente-titulo);margin-bottom:14px}
.sellos{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.sello{background:var(--blanco);border:1px solid rgba(26,26,26,.1);border-radius:12px;padding:10px 16px;font-weight:600;font-family:var(--fuente-titulo);font-size:.9rem;color:var(--tinta);box-shadow:var(--sombra-suave)}

/* ---------- 14. FAQ acordeón ---------- */
.faq{max-width:820px;margin-inline:auto;display:grid;gap:12px}
.faq__item{background:var(--blanco);border:1px solid rgba(26,26,26,.09);border-radius:14px;overflow:hidden}
.faq__pregunta{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  font-family:var(--fuente-titulo);font-weight:600;font-size:1.05rem;color:var(--tinta);
  padding:20px 54px 20px 22px;position:relative;
}
.faq__pregunta::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.6rem;color:var(--verde-accesible);transition:var(--transicion)}
.faq__item.abierto .faq__pregunta::after{content:"–"}
.faq__respuesta{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--gris-oscuro)}
.faq__respuesta p{padding:0 22px 20px;font-size:.98rem}

/* ---------- 15. Contacto / Footer ---------- */
.contacto-grid{display:grid;gap:40px}
@media (min-width:860px){.contacto-grid{grid-template-columns:1fr 1fr}}
.datos li{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.datos .ico{width:40px;height:40px;flex:none;border-radius:12px;background:var(--verde-claro);display:grid;place-items:center;color:var(--verde-accesible)}
.datos .ico svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2}
.datos b{display:block;font-family:var(--fuente-titulo)}
.datos a{color:var(--verde-accesible);font-weight:600}
.mapa{border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra-suave);border:1px solid rgba(26,26,26,.08);aspect-ratio:16/10;background:var(--gris-claro)}
.mapa iframe{width:100%;height:100%;border:0;display:block}

/* Formularios */
.form{display:grid;gap:16px}
.campo{display:grid;gap:6px}
.campo label{font-family:var(--fuente-titulo);font-weight:500;font-size:.92rem}
.campo input,.campo textarea,.campo select{
  font-family:var(--fuente-cuerpo);font-size:1rem;padding:13px 15px;border-radius:12px;
  border:1.5px solid rgba(26,26,26,.15);background:var(--blanco);color:var(--tinta);transition:var(--transicion);width:100%;
}
.campo input:focus,.campo textarea:focus,.campo select:focus{outline:none;border-color:var(--verde-principal);box-shadow:0 0 0 4px rgba(152,217,11,.18)}
.campo textarea{min-height:120px;resize:vertical}
.consentimiento{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--gris-oscuro)}
.consentimiento input{width:20px;height:20px;flex:none;margin-top:2px;accent-color:var(--verde-principal)}
.consentimiento a{color:var(--verde-accesible);font-weight:600;text-decoration:underline}
.honeypot{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden}
.form__aviso{font-size:.9rem;padding:12px 16px;border-radius:10px;display:none}
.form__aviso.ok{display:block;background:var(--verde-claro);color:var(--verde-accesible)}
.form__aviso.error{display:block;background:#fdecec;color:#c0392b}

.footer{background:var(--fondo-dark);color:#c9cfce;padding-block:56px 28px}
.footer a{color:#c9cfce}
.footer a:hover{color:var(--verde-principal)}
.footer__grid{display:grid;gap:34px;margin-bottom:34px}
@media (min-width:760px){.footer__grid{grid-template-columns:1.4fr 1fr 1fr}}
.footer img{height:52px;width:auto;margin-bottom:16px}
.footer h4{color:var(--blanco);margin-bottom:14px;font-size:1rem}
.footer ul li{margin-bottom:10px}
.footer__legal{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;font-size:.85rem;color:#9aa3a1;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
.redes{display:flex;gap:14px;margin-top:16px}
.redes a{width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:var(--transicion)}
.redes a:hover{background:var(--verde-principal);color:var(--tinta)}
.redes svg{width:20px;height:20px;fill:currentColor}

/* ---------- 16. WhatsApp flotante ---------- */
.wa-flotante{
  position:fixed;right:18px;bottom:18px;z-index:90;width:60px;height:60px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25);
  transition:var(--transicion);
}
.wa-flotante:hover{transform:scale(1.08)}
.wa-flotante svg{width:32px;height:32px;fill:#fff}

/* ---------- 17. Banner de cookies ---------- */
.cookies{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:95;max-width:520px;margin-inline:auto;
  background:var(--dark-card);color:#e6e9e8;border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radio);padding:20px 22px;box-shadow:0 16px 48px rgba(0,0,0,.4);
  display:none;
}
.cookies.visible{display:block}
.cookies p{color:#c9cfce;font-size:.92rem;margin-bottom:14px}
.cookies a{color:var(--verde-principal);text-decoration:underline}
.cookies__acciones{display:flex;gap:10px;flex-wrap:wrap}
.cookies .btn{padding:.6em 1.2em;font-size:.92rem}
.cookies .btn--secundario{color:#e6e9e8;border-color:rgba(255,255,255,.4)}

/* ---------- 18. Animación scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 19. Páginas internas / hero compacto ---------- */
.hero-mini{
  background:radial-gradient(900px 400px at 70% -20%,rgba(152,217,11,.16),transparent 60%),var(--fondo-dark);
  color:var(--blanco);padding:128px 0 56px;text-align:center;
}
.hero-mini h1{color:var(--blanco)}
.hero-mini p{color:#c9cfce;max-width:60ch;margin:14px auto 0}
.contenido-largo{max-width:820px;margin-inline:auto}
.contenido-largo h2{margin:34px 0 14px}
.contenido-largo h3{margin:24px 0 10px}
.contenido-largo p,.contenido-largo li{color:var(--tinta);margin-bottom:14px}
.contenido-largo ul{list-style:disc;padding-left:22px;margin-bottom:14px}
.contenido-largo a{color:var(--verde-accesible);font-weight:600;text-decoration:underline}
.nota-editor{background:var(--verde-claro);border-left:4px solid var(--verde-principal);padding:14px 18px;border-radius:10px;font-size:.92rem;color:var(--verde-accesible);margin:18px 0}

/* ---------- 20. Blog ---------- */
.blog-grid{display:grid;gap:24px}
@media (min-width:680px){.blog-grid{grid-template-columns:1fr 1fr}}
@media (min-width:980px){.blog-grid{grid-template-columns:repeat(3,1fr)}}
.post{background:var(--blanco);border:1px solid rgba(26,26,26,.08);border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra-suave);transition:var(--transicion);display:flex;flex-direction:column}
.post:hover{transform:translateY(-5px);box-shadow:var(--sombra-media)}
.post__img{aspect-ratio:16/9;background:var(--verde-claro);display:grid;place-items:center;color:var(--verde-accesible)}
.post__cuerpo{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post__cat{font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--verde-accesible)}
.post__cuerpo h3{font-size:1.15rem}
.post__cuerpo p{color:var(--gris-oscuro);font-size:.95rem;flex:1}
.post__link{color:var(--verde-accesible);font-weight:600;font-family:var(--fuente-titulo)}

/* ---------- 21. Página 404 / gracias ---------- */
.estado{min-height:72vh;display:grid;place-items:center;text-align:center;padding:120px 20px 60px}
.estado__num{font-family:var(--fuente-titulo);font-weight:700;font-size:clamp(5rem,20vw,9rem);color:var(--verde-principal);line-height:1;text-shadow:var(--glow-verde)}
.estado h1{margin:10px 0 14px}
.estado p{color:var(--gris-oscuro);max-width:50ch;margin:0 auto 26px}

/* ---------- 22. Escala PHQ-9 ---------- */
.phq-intro{max-width:760px;margin-inline:auto;text-align:center}
.phq-form{max-width:760px;margin:36px auto 0;display:grid;gap:18px}
.phq-item{border:1px solid rgba(26,26,26,.1);border-radius:var(--radio);padding:20px 22px;background:var(--blanco);box-shadow:var(--sombra-suave)}
.phq-item legend{font-family:var(--fuente-titulo);font-weight:600;font-size:1.05rem;padding:0;margin-bottom:14px;display:flex;gap:10px;align-items:flex-start}
.phq-item__num{flex:none;width:28px;height:28px;border-radius:50%;background:var(--verde-claro);color:var(--verde-accesible);display:grid;place-items:center;font-size:.9rem}
.phq-opts{display:grid;gap:10px}
@media (min-width:620px){.phq-opts{grid-template-columns:1fr 1fr}}
.phq-opt{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1.5px solid rgba(26,26,26,.14);border-radius:12px;cursor:pointer;transition:var(--transicion);font-size:.95rem}
.phq-opt:hover{border-color:var(--verde-secundario)}
.phq-opt input{accent-color:var(--verde-principal);width:18px;height:18px;flex:none}
.phq-opt:has(input:checked){border-color:var(--verde-principal);background:var(--verde-claro);color:var(--verde-accesible);font-weight:600}
.phq-falta{background:#fdecec;color:#c0392b;border-radius:10px;padding:12px 16px;font-size:.95rem}

.phq-resultado{max-width:760px;margin:40px auto 0;display:grid;gap:22px}
.phq-alerta{background:#fff4f4;border:1px solid #f3c6c6;border-left:5px solid #c0392b;border-radius:var(--radio);padding:24px}
.phq-alerta h3{color:#c0392b;margin-bottom:10px}
.phq-alerta ul{list-style:none;margin:12px 0}
.phq-alerta li{margin-bottom:8px}
.phq-alerta a{color:#c0392b;font-weight:700;text-decoration:underline}
.phq-score{text-align:center;padding:36px 28px;background:var(--fondo-dark)}
.phq-score__num{font-family:var(--fuente-titulo);font-weight:700;font-size:4rem;line-height:1;text-shadow:0 0 26px rgba(152,217,11,.4)}
.phq-score__num span{font-size:1.6rem;color:#9aa3a1}
.phq-score__nivel{font-family:var(--fuente-titulo);font-weight:600;font-size:1.3rem;margin-top:8px}
.phq-score__barra{height:10px;border-radius:999px;background:rgba(255,255,255,.12);margin:18px auto;max-width:420px;overflow:hidden}
.phq-score__barra span{display:block;height:100%;border-radius:999px;transition:width 1s ease}
.phq-score__msg{color:#c9cfce;max-width:52ch;margin:0 auto}
.phq-disclaimer{font-size:.9rem;color:var(--gris-oscuro);background:var(--gris-claro);padding:16px 18px;border-radius:12px;text-align:center}
.phq-lead{max-width:760px;margin:30px auto 0;background:var(--verde-claro);border-radius:var(--radio);padding:28px}
.phq-lead h3{color:var(--verde-accesible);margin-bottom:6px}
.phq-lead .form{margin-top:18px}
.phq-rejilla{display:grid;gap:16px}
@media (min-width:560px){.phq-rejilla{grid-template-columns:1fr 1fr}}

/* ---------- 23. Arreglo botón WhatsApp móvil + sin scroll horizontal ---------- */
html{overflow-x:hidden}
@media (max-width:620px){
  .wa-flotante{width:52px;height:52px;right:14px;bottom:14px}
  .wa-flotante svg{width:28px;height:28px}
}

/* ---------- 24. Visor 3D del cerebro (láminas, swipe, rotación) ---------- */
.cerebro3d{position:relative;max-width:400px;margin:30px auto 0;perspective:1400px;touch-action:pan-y;user-select:none}
.cerebro3d__escena{position:relative;aspect-ratio:4/5}
.cerebro3d__lamina{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:var(--radio-lg);box-shadow:var(--sombra-media);opacity:0;transform:rotateY(42deg) scale(.86);transition:transform .6s cubic-bezier(.2,.7,.3,1),opacity .55s ease;pointer-events:none;will-change:transform,opacity}
.cerebro3d__lamina.activa{opacity:1;transform:rotateY(0) scale(1);pointer-events:auto}
.cerebro3d__lamina.saliente{opacity:0;transform:rotateY(-42deg) scale(.86)}
.cerebro3d__flecha{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:var(--tinta);color:#fff;font-size:1.5rem;line-height:1;cursor:pointer;display:grid;place-items:center;z-index:3;opacity:.9;transition:var(--transicion)}
.cerebro3d__flecha:hover{background:var(--verde-accesible)}
.cerebro3d__flecha--prev{left:-8px}
.cerebro3d__flecha--next{right:-8px}
@media (min-width:560px){.cerebro3d__flecha--prev{left:-22px}.cerebro3d__flecha--next{right:-22px}}
.cerebro3d__hint{display:flex;gap:8px;justify-content:center;align-items:center;margin-top:16px;color:var(--verde-accesible);font-family:var(--fuente-titulo);font-weight:600;font-size:.95rem;transition:opacity .4s}
.cerebro3d__hint svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2.5;animation:desliza 1.4s ease-in-out infinite}
@keyframes desliza{0%,100%{transform:translateX(-5px)}50%{transform:translateX(5px)}}
.cerebro3d__puntos{display:flex;gap:8px;justify-content:center;margin-top:12px}
.cerebro3d__punto{width:9px;height:9px;border-radius:50%;border:0;background:rgba(26,26,26,.22);cursor:pointer;padding:0;transition:var(--transicion)}
.cerebro3d__punto.activo{background:var(--verde-principal);width:24px;border-radius:5px}
.seccion--dark .cerebro3d__flecha{background:var(--verde-principal);color:var(--tinta)}
.seccion--dark .cerebro3d__hint{color:var(--verde-principal)}
.seccion--dark .cerebro3d__punto{background:rgba(255,255,255,.25)}

/* ---------- 25. Parallax ---------- */
[data-parallax]{will-change:transform}
#prueba{position:relative;overflow:hidden}
.parallax-cerebro{position:absolute;inset:-140px 0;pointer-events:none;z-index:0;opacity:.42;
  background:url("../img/cerebro-bg.jpg") center 35%/cover no-repeat;filter:grayscale(.15)}
#prueba::after{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(180deg,rgba(16,18,20,.55),rgba(16,18,20,.75))}
#prueba .contenedor,#video .contenedor{position:relative;z-index:1}

/* Nuevo visor: video del cerebro + textos (de las láminas) */
.cerebro-video{display:grid;gap:30px;align-items:center;max-width:960px;margin:34px auto 0}
@media (min-width:800px){.cerebro-video{grid-template-columns:minmax(0,320px) 1fr}}
.cerebro-video__media{border-radius:var(--radio-lg);overflow:hidden;box-shadow:var(--sombra-media);background:#000;max-width:320px;margin-inline:auto;width:100%}
.cerebro-video__media video{width:100%;display:block;aspect-ratio:9/16;object-fit:cover}
.cerebro-video__info{position:relative;min-height:230px}
.cerebro-paso{position:absolute;inset:0;opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease;pointer-events:none}
.cerebro-paso.activa{opacity:1;transform:none;pointer-events:auto;position:relative}
.cerebro-paso .n{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--verde-claro);color:var(--verde-accesible);font-family:var(--fuente-titulo);font-weight:700;margin-bottom:14px}
.cerebro-paso h4{font-size:1.3rem;margin-bottom:8px}
.cerebro-paso p{color:var(--gris-oscuro);font-size:1.02rem}
.cerebro-paso p + p{margin-top:10px}
.cerebro-nav{display:flex;align-items:center;gap:14px;margin-top:22px;flex-wrap:wrap}
.cerebro-nav button{width:42px;height:42px;border:0;border-radius:50%;background:var(--tinta);color:#fff;font-size:1.4rem;line-height:1;cursor:pointer;display:grid;place-items:center;transition:var(--transicion)}
.cerebro-nav button:hover{background:var(--verde-accesible)}
.cerebro-nav__puntos{display:flex;gap:8px}
.cerebro-nav__punto{width:9px;height:9px;border-radius:50%;border:0;background:rgba(26,26,26,.2);cursor:pointer;padding:0;transition:var(--transicion)}
.cerebro-nav__punto.activo{background:var(--verde-principal);width:24px;border-radius:5px}
.cerebro-hint{margin-left:auto;color:var(--verde-accesible);font-family:var(--fuente-titulo);font-weight:600;font-size:.9rem;display:flex;gap:6px;align-items:center;transition:opacity .4s}
.cerebro-hint svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2.5;animation:desliza 1.4s ease-in-out infinite}

/* Video del cerebro (solo video, sin deslizar) */
.cerebro-solo{max-width:350px;margin:30px auto 0;border-radius:var(--radio-lg);overflow:hidden;box-shadow:var(--sombra-media);background:#000}
.cerebro-solo video{width:100%;display:block;aspect-ratio:9/16;object-fit:cover}

/* Quitar la textura de fondo en la sección "Cómo funciona / Proceso" */
#proceso::before{display:none}

/* Refuerzo anti-scroll-horizontal (móvil) */
html,body{max-width:100%;overflow-x:hidden}
*{min-width:0}

/* ---------- 26. Textura sutil (ondas de neuromodulación) en secciones claras ---------- */
.seccion--clara,.seccion--gris{position:relative}
.seccion--clara::before,.seccion--gris::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cg fill='none' stroke='%231a1a1a' stroke-opacity='0.028' stroke-width='2'%3E%3Cpath d='M0 35 q35 -22 70 0 t70 0'/%3E%3Cpath d='M0 75 q35 -22 70 0 t70 0'/%3E%3Cpath d='M0 115 q35 -22 70 0 t70 0'/%3E%3C/g%3E%3C/svg%3E");
  background-size:180px auto;
}
.seccion--clara > .contenedor,.seccion--gris > .contenedor{position:relative;z-index:1}

/* Saltar al contenido (accesibilidad) */
.saltar{position:absolute;left:-999px;top:0;background:var(--verde-principal);color:var(--tinta);padding:10px 16px;border-radius:0 0 10px 0;font-weight:600;z-index:200}
.saltar:focus{left:0}