/* ============================================================
   MR3 — Entrenamiento Neuro Somático
   Sistema de estilos · Brief de Marca 2026
   Paleta: Petrol #1E3A46 · Dorado #C2A24A · Crema #F2ECE0 · Muted #5A6B72
   Tipografía: Cormorant Garamond (títulos) + Archivo (texto)
   ============================================================ */

:root{
  --petrol:#1E3A46;
  --petrol-900:#12242C;
  --gold:#C2A24A;
  --gold-soft:#E4D3A0;
  --cream:#F2ECE0;
  --cream-alt:#EBE4D6;
  --muted:#5A6B72;
  --ink:#25353D;
  --ink-soft:#41545C;
  --max:1120px;
  --gut:clamp(20px,5vw,64px);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:'Archivo',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}

/* ---------- Tipografía ---------- */
h1,h2,h3,h4{
  font-family:'Cormorant Garamond',Georgia,'Times New Roman',serif;
  font-weight:600;
  color:var(--petrol);
  margin:0 0 .5em;
  line-height:1.12;
  letter-spacing:-.005em;
}
h1{font-size:clamp(2.5rem,6.2vw,4.4rem)}
h2{font-size:clamp(1.95rem,4.2vw,3.05rem)}
h3{font-size:clamp(1.3rem,2.3vw,1.7rem);line-height:1.22}
h4{font-size:1.12rem;line-height:1.3}
p{margin:0 0 1.15em;max-width:64ch}
em{font-style:italic;color:var(--petrol)}
strong{font-weight:600}
a{color:var(--petrol);text-decoration-color:rgba(194,162,74,.6);text-underline-offset:3px}
a:hover{text-decoration-color:var(--gold)}

.kicker{
  font-family:'Archivo',sans-serif;
  font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);margin:0 0 .55rem;display:block;
}
.kicker::after{
  content:"";display:block;width:34px;height:2px;background:var(--gold);margin-top:.55rem;
}
.lead{font-size:clamp(1.06rem,1.7vw,1.24rem);color:var(--ink-soft);max-width:58ch}
.small{font-size:.9rem;color:var(--muted)}
.serif-quote{
  font-family:'Cormorant Garamond',Georgia,serif;font-style:italic;
  font-size:clamp(1.5rem,3vw,2.2rem);color:var(--petrol);line-height:1.32;max-width:22ch;
}

/* ---------- Estructura ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gut)}
section{padding-block:clamp(56px,8vw,110px)}
section.tight{padding-block:clamp(40px,5vw,68px)}
.alt{background:var(--cream-alt)}
.dark{background:var(--petrol);color:rgba(242,236,224,.9)}
.dark h1,.dark h2,.dark h3,.dark h4{color:var(--cream)}
.dark .kicker{color:var(--gold-soft)}
.dark .kicker::after{background:var(--gold-soft)}
.dark a{color:var(--cream)}
.dark .lead{color:rgba(242,236,224,.82)}

.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(28px,4vw,64px);align-items:start}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(26px,3.4vw,48px)}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:clamp(22px,2.6vw,36px)}
.center{text-align:center}
.center p,.center .lead{margin-inline:auto}

/* ---------- Navegación fija ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(242,236,224,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid rgba(30,58,70,.10);
}
.nav-in{max-width:var(--max);margin:0 auto;padding:14px var(--gut);display:flex;align-items:center;gap:22px;position:relative}
.brand{
  font-family:'Cormorant Garamond',Georgia,serif;font-weight:600;font-size:1.5rem;
  color:var(--petrol);text-decoration:none;letter-spacing:.02em;line-height:1;
}
.brand span{
  font-family:'Archivo',sans-serif;font-size:.62rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);display:block;margin-top:3px;font-weight:600;
}
.nav-links{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav-links a{
  font-size:.86rem;font-weight:500;color:var(--ink-soft);text-decoration:none;
  padding:6px 0;border-bottom:2px solid transparent;white-space:nowrap;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--petrol);border-bottom-color:var(--gold)}
.nav-toggle{
  display:none;margin-left:auto;background:none;border:1px solid rgba(30,58,70,.22);
  border-radius:6px;padding:8px 11px;cursor:pointer;color:var(--petrol);font-size:1rem;line-height:1;
}
@media(max-width:980px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;background:var(--cream);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px var(--gut) 20px;
    border-bottom:1px solid rgba(30,58,70,.12);display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 0;width:100%;border-bottom:1px solid rgba(30,58,70,.07)}
  .nav-toggle{display:block}
}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:999px;
  font-family:'Archivo',sans-serif;font-size:.94rem;font-weight:600;
  text-decoration:none;border:1.5px solid transparent;cursor:pointer;
  transition:transform .12s ease,box-shadow .16s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--petrol);color:var(--cream)}
.btn-primary:hover{box-shadow:0 6px 20px rgba(30,58,70,.22);color:var(--cream)}
.btn-gold{background:var(--gold);color:var(--petrol-900)}
.btn-gold:hover{box-shadow:0 6px 20px rgba(194,162,74,.34);color:var(--petrol-900)}
.btn-ghost{background:transparent;color:var(--petrol);border-color:rgba(30,58,70,.28)}
.btn-ghost:hover{border-color:var(--petrol)}
.dark .btn-ghost{color:var(--cream);border-color:rgba(242,236,224,.4)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:1.8rem}
.center .btn-row{justify-content:center}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding-block:clamp(48px,7vw,96px)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero h1{margin-bottom:.35em}

/* ---------- Figuras / ilustración ---------- */
figure{margin:0}
.fig{border:1.5px solid rgba(194,162,74,.5);background:var(--cream);overflow:hidden}
.fig img{width:100%}
.fig figcaption{
  background:var(--petrol);color:rgba(242,236,224,.8);
  font-size:.8rem;line-height:1.5;padding:12px 18px;
}
.fig figcaption b{color:var(--gold-soft);font-weight:600}

/* Placeholder de imagen pendiente */
.ph{
  border:1.5px dashed rgba(194,162,74,.75);background:rgba(194,162,74,.06);
  min-height:210px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:26px;color:var(--muted);font-size:.86rem;gap:6px;
}
.ph b{color:var(--petrol);font-size:.92rem;font-weight:600;font-family:'Archivo',sans-serif}

/* ---------- Tarjetas / pasos ---------- */
.step{border-top:1px solid rgba(30,58,70,.2);padding-top:20px}
.step .num{font-family:'Cormorant Garamond',Georgia,serif;font-size:1.35rem;color:var(--gold);display:block;margin-bottom:.35rem}
.step h3{margin-bottom:.4rem}
.step p{font-size:.95rem;color:var(--ink-soft);margin-bottom:0}

.card{background:var(--cream);border:1px solid rgba(30,58,70,.13);padding:clamp(22px,2.6vw,32px)}
.card h3{margin-bottom:.45rem}
.card p:last-child{margin-bottom:0}

/* Banda petrol de cierre — firma MR3 */
.band{
  background:var(--petrol);color:rgba(242,236,224,.78);
  padding:16px clamp(18px,2.4vw,28px);font-size:.83rem;line-height:1.6;
  display:flex;flex-wrap:wrap;gap:6px 20px;justify-content:space-between;align-items:center;
}
.band .src{max-width:70ch}
.band .mark{font-family:'Cormorant Garamond',Georgia,serif;color:var(--gold);font-size:1rem;letter-spacing:.04em}

.framed{border:1.5px solid rgba(194,162,74,.55);padding:clamp(22px,3vw,44px)}

/* ---------- Preguntas frecuentes ---------- */
.faq{border-top:1px solid rgba(30,58,70,.16)}
.faq details{border-bottom:1px solid rgba(30,58,70,.16)}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 34px 20px 0;position:relative;
  font-family:'Cormorant Garamond',Georgia,serif;font-size:clamp(1.15rem,1.9vw,1.4rem);
  color:var(--petrol);font-weight:600;line-height:1.3;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  color:var(--gold);font-family:'Archivo',sans-serif;font-size:1.35rem;font-weight:400;
}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 0 22px;color:var(--ink-soft)}
.faq .a p:last-child{margin-bottom:0}

/* ---------- Listas ---------- */
.ticks{list-style:none;padding:0;margin:0 0 1.2em}
.ticks li{position:relative;padding-left:26px;margin-bottom:.7em;color:var(--ink-soft)}
.ticks li::before{content:"";position:absolute;left:0;top:.62em;width:12px;height:1.5px;background:var(--gold)}
.dark .ticks li{color:rgba(242,236,224,.85)}

/* Tabla es / no es */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid rgba(30,58,70,.18)}
@media(max-width:700px){.compare{grid-template-columns:1fr}}
.compare>div{padding:clamp(20px,2.6vw,30px)}
.compare>div+div{border-left:1px solid rgba(30,58,70,.18)}
@media(max-width:700px){.compare>div+div{border-left:0;border-top:1px solid rgba(30,58,70,.18)}}
.compare h4{color:var(--gold);font-family:'Archivo',sans-serif;font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;margin-bottom:1rem}

/* ---------- Formulario embebido ---------- */
.embed{border:1.5px solid rgba(194,162,74,.5);background:#fff;overflow:hidden}
.embed iframe{width:100%;border:0;display:block;min-height:1100px}

/* ---------- WhatsApp flotante ---------- */
.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  background:var(--petrol);color:var(--cream);text-decoration:none;
  padding:13px 20px;border-radius:999px;font-size:.9rem;font-weight:600;
  box-shadow:0 6px 24px rgba(30,58,70,.28);
}
.wa-float:hover{background:var(--petrol-900);color:var(--cream)}
@media(max-width:520px){.wa-float span{display:none}.wa-float{padding:15px;border-radius:50%}}

/* ---------- Pie ---------- */
footer{background:var(--petrol-900);color:rgba(242,236,224,.72);padding-block:52px;font-size:.88rem}
footer a{color:rgba(242,236,224,.9)}
footer h4{font-family:'Archivo',sans-serif;font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;margin-bottom:.9rem;color:var(--gold)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:clamp(26px,3.4vw,48px)}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.foot-grid{grid-template-columns:1fr}}
.foot-links{list-style:none;padding:0;margin:0}
.foot-links li{margin-bottom:.55em}
.foot-links a{text-decoration:none}
.foot-links a:hover{text-decoration:underline;text-decoration-color:var(--gold)}
.legal{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(242,236,224,.16);
  font-size:.79rem;color:rgba(242,236,224,.55);max-width:82ch;line-height:1.65;
}
.brand-foot{font-family:'Cormorant Garamond',Georgia,serif;font-size:1.5rem;color:var(--cream);margin-bottom:.4rem;display:block}

/* ---------- Landing de funnel: sin distracciones ---------- */
.lp{max-width:840px;margin:0 auto;padding-inline:var(--gut)}
.lp-top{padding:22px var(--gut);text-align:center;border-bottom:1px solid rgba(30,58,70,.1)}
.lp-foot{padding:34px var(--gut) 46px;text-align:center;font-size:.8rem;color:var(--muted);line-height:1.65}
.lp-foot a{color:var(--muted)}
.lp h1{font-size:clamp(2.2rem,5.4vw,3.5rem)}
.cta-block{background:var(--petrol);color:var(--cream);padding:clamp(28px,4vw,52px);text-align:center}
.cta-block h2{color:var(--cream)}
.cta-block p{color:rgba(242,236,224,.85);margin-inline:auto}

/* ---------- Utilidades ---------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.rule{border:0;border-top:1px solid rgba(30,58,70,.16);margin:clamp(34px,5vw,60px) 0}

/* ---------- Formularios (Netlify Forms) ---------- */
.form{border:1.5px solid rgba(194,162,74,.55);background:var(--cream);padding:clamp(24px,3.4vw,42px)}
.form .row{margin-bottom:1.1rem}
.form .row.two{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media(max-width:560px){.form .row.two{grid-template-columns:1fr}}
.form label{
  display:block;font-family:'Archivo',sans-serif;font-size:.78rem;font-weight:700;
  letter-spacing:.09em;text-transform:uppercase;color:var(--petrol);margin-bottom:.45rem;
}
.form label .opt{color:var(--muted);font-weight:400;letter-spacing:.02em;text-transform:none}
.form input,.form select,.form textarea{
  width:100%;padding:13px 15px;border:1px solid rgba(30,58,70,.28);border-radius:2px;
  background:#fff;color:var(--ink);font-family:'Archivo',sans-serif;font-size:1rem;line-height:1.5;
}
.form input:focus,.form select:focus,.form textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(194,162,74,.18);
}
.form textarea{min-height:110px;resize:vertical}
.form .hint{font-size:.83rem;color:var(--muted);margin:.4rem 0 0}
.form button{width:100%;justify-content:center;margin-top:.6rem}
.form .hp{position:absolute;left:-9999px}
.form .legal-mini{font-size:.78rem;color:var(--muted);margin:1rem 0 0;line-height:1.55}