/* ============================================================
   TANGRAM — Bureau de Interpretación
   Hoja de estilos compartida · Inteligencia Artesanal
   ============================================================ */

:root{
  /* Paleta Bauhaus del manual de marca TANGRAM */
  --orange:#E8521E;
  --orange-deep:#C8410F;
  --yellow:#F2B705;
  --blue:#1E9BD7;
  --green:#5BB85B;
  --purple:#6B3FA0;
  --magenta:#B5379B;
  --ink:#2B2B2B;
  --ink-soft:#4A4A4A;
  --cream:#F7F4ED;
  --white:#FFFFFF;
  --font-display:'Outfit',sans-serif;
  --font-body:'Montserrat',sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.05;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
::selection{background:var(--yellow);color:var(--ink);}

.wrap{max-width:1240px;margin:0 auto;padding:0 28px;}

/* ---------- BOTONES ---------- */
.btn{
  font-family:var(--font-display);font-weight:600;font-size:.92rem;
  padding:13px 26px;border-radius:40px;display:inline-block;
  transition:transform .2s,box-shadow .2s;cursor:pointer;border:none;
}
.btn-primary{background:var(--orange);color:var(--white);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,82,30,.35);}
.btn-ghost{background:transparent;color:var(--ink);border:2px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--cream);}
.btn-light{background:var(--cream);color:var(--ink);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.25);}

/* ---------- NAV ---------- */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,244,237,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(43,43,43,.08);
}
nav{display:flex;align-items:center;justify-content:space-between;height:78px;}
.logo{display:flex;align-items:center;}
.logo img{height:46px;width:auto;display:block;}
.nav-links{display:flex;gap:38px;align-items:center;}
.nav-links a{font-family:var(--font-display);font-weight:500;font-size:.95rem;
  color:var(--ink-soft);transition:color .2s;}
.nav-links a:hover,.nav-links a.active{color:var(--orange);}
.nav-links a.active{font-weight:600;}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.menu-toggle span{display:block;width:24px;height:2.5px;background:var(--ink);margin:5px 0;transition:.3s;}

/* ---------- ELEMENTOS COMUNES ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-display);
  font-weight:600;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--orange);margin-bottom:22px;}
.eyebrow::before{content:"";width:30px;height:2.5px;background:var(--orange);}
.eyebrow.on-dark{color:var(--yellow);}
.eyebrow.on-dark::before{background:var(--yellow);}

section{padding:100px 0;}
.sec-head{max-width:640px;margin-bottom:60px;}
.sec-head h2{font-size:clamp(2rem,3.8vw,3rem);font-weight:800;letter-spacing:-.01em;}
.sec-head p{margin-top:18px;color:var(--ink-soft);font-size:1.08rem;line-height:1.65;}

/* ---------- PAGE HERO (páginas internas) ---------- */
.page-hero{padding:80px 0 70px;position:relative;overflow:hidden;}
.page-hero h1{font-size:clamp(2.4rem,5vw,3.8rem);font-weight:800;
  letter-spacing:-.015em;max-width:760px;}
.page-hero h1 em{font-style:normal;color:var(--orange);}
.page-hero p{margin-top:22px;color:var(--ink-soft);font-size:1.14rem;
  line-height:1.65;max-width:540px;}
.page-hero .deco{position:absolute;top:-60px;right:-90px;width:300px;height:300px;
  border-radius:50%;background:radial-gradient(circle,rgba(242,183,5,.18),transparent 70%);}
.page-hero .deco-2{position:absolute;bottom:-70px;right:120px;width:0;height:0;
  border-left:70px solid transparent;border-right:70px solid transparent;
  border-bottom:110px solid rgba(30,155,215,.14);}

/* ---------- STRIP ---------- */
.strip{background:var(--ink);color:var(--cream);padding:30px 0;}
.strip .wrap{display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:20px;}
.strip p{font-family:var(--font-display);font-weight:500;font-size:1.02rem;}
.strip .dots{display:flex;gap:10px;}
.strip .dots i{width:14px;height:14px;border-radius:50%;display:block;}

/* ---------- QUOTE BANNER ---------- */
.quote{background:var(--orange);color:var(--white);text-align:center;
  padding:110px 0;position:relative;overflow:hidden;}
.quote .wrap{position:relative;z-index:2;}
.quote h2{font-size:clamp(1.8rem,3.6vw,2.9rem);font-weight:800;
  max-width:880px;margin:0 auto;letter-spacing:-.01em;}
.quote h2 span{border-bottom:5px solid var(--yellow);}
.quote p{margin-top:22px;font-family:var(--font-display);font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;font-size:.86rem;opacity:.85;}
.q-shape{position:absolute;opacity:.13;}

/* ---------- CTA FINAL (banda) ---------- */
.cta-band{background:var(--ink);color:var(--cream);text-align:center;
  padding:96px 0;position:relative;overflow:hidden;}
.cta-band .wrap{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(2rem,4vw,3rem);font-weight:800;
  max-width:720px;margin:0 auto 16px;letter-spacing:-.01em;}
.cta-band h2 em{font-style:normal;color:var(--yellow);}
.cta-band p{color:rgba(247,244,237,.7);font-size:1.08rem;
  max-width:520px;margin:0 auto 32px;line-height:1.6;}
.cta-shape{position:absolute;opacity:.08;}

/* ---------- FOOTER ---------- */
footer{background:var(--ink);color:rgba(247,244,237,.55);
  padding:40px 0;border-top:1px solid rgba(247,244,237,.1);}
footer .wrap{display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:18px;font-size:.88rem;}
footer .fnav{display:flex;gap:26px;}
footer .fnav a:hover{color:var(--yellow);}
.foot-brand{display:flex;align-items:center;gap:16px;}
.foot-logo{height:34px;width:auto;display:block;opacity:.92;}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(28px);
  transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  section{padding:70px 0;}
  .quote{padding:80px 0;}
  .cta-band{padding:72px 0;}
  .nav-links{
    position:fixed;top:78px;left:0;right:0;background:var(--cream);
    flex-direction:column;padding:30px 28px;gap:22px;
    border-bottom:1px solid rgba(43,43,43,.1);
    transform:translateY(-150%);transition:transform .35s ease;
    box-shadow:0 16px 30px rgba(0,0,0,.08);
  }
  .nav-links.open{transform:translateY(0);}
  .menu-toggle{display:block;}
}
@media(max-width:520px){
  .wrap{padding:0 20px;}
}