/* ============================================================
   TRIUM AI · styles.css
   Lenguaje visual heredado de los portafolios de marca:
   cuerpo cálido (crema + tinta), hero y footer en azul noche,
   coral como hilo conductor, display en Fraunces.
   ============================================================ */

/* ---------- Variables de marca ---------- */
:root{
  --cream:#F4F0E8;        /* fondo claro principal */
  --cream-2:#EFEAE0;      /* crema un poco más oscuro (chips) */
  --card:#FBF9F4;         /* fondo de tarjetas */
  --card-line:#E3DECF;    /* borde de tarjetas / líneas */
  --ink:#16130F;          /* tinta / texto principal */
  --navy:#16172B;         /* azul noche · hero, footer, contacto */
  --coral:#E86F56;        /* acento principal */
  --indigo:#4B4E8C;       /* acento sutil */
  --gray:#7A7D88;         /* texto secundario */
  --body-ink:#46423C;     /* gris cálido para cuerpo de texto */

  --maxw:1140px;
  --radius:16px;
  --radius-sm:12px;
  --ease:cubic-bezier(.2,.7,.2,1);

  --serif:"Fraunces", Georgia, "Times New Roman", serif;
  --sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

/* ---------- Reset ligero ---------- */
*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; }
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--cream);
  line-height:1.6;
  font-size:16px;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ list-style:none; }

.container{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 24px; }

/* Palabra-acento en Fraunces itálica, como en los portafolios */
.serif{ font-family:var(--serif); font-style:italic; font-weight:400; }

/* Accesibilidad: salto al contenido */
.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--ink); color:#fff; padding:12px 18px; border-radius:0 0 10px 0;
}
.skip-link:focus{ left:0; }

/* Foco visible accesible */
a:focus-visible, button:focus-visible{
  outline:2px solid var(--coral); outline-offset:3px; border-radius:4px;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(244,240,232,.82);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled{ border-bottom-color:var(--card-line); }
.nav{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.nav-logo img{ height:34px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:28px; }
.nav-links > a{
  font-size:14.5px; font-weight:500; color:var(--ink);
  opacity:.82; transition:opacity .2s var(--ease);
}
.nav-links > a:hover{ opacity:1; }
.nav-cta{
  background:var(--ink); color:#fff !important; opacity:1 !important;
  padding:10px 18px; border-radius:999px; font-weight:600 !important;
  transition:transform .2s var(--ease), background .2s var(--ease);
}
.nav-cta:hover{ background:var(--coral); transform:translateY(-1px); }

/* Botón hamburguesa (móvil) */
.nav-toggle{
  display:none; flex-direction:column; gap:5px;
  background:none; border:0; cursor:pointer; padding:8px;
}
.nav-toggle span{ width:24px; height:2px; background:var(--ink); border-radius:2px; transition:transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ============================================================
   TIPOGRAFÍA EDITORIAL COMPARTIDA
   ============================================================ */
.eyebrow{
  font-size:12px; font-weight:700; letter-spacing:.22em; text-transform:uppercase;
  color:var(--coral); margin-bottom:18px;
}
.eyebrow-light{ color:var(--coral); }

.display{
  font-family:var(--serif); font-style:normal; font-weight:500;
  font-size:clamp(30px, 4.6vw, 50px); line-height:1.05; letter-spacing:-.01em;
}
.display .serif{ display:block; color:var(--gray); font-weight:400; }

.section-head{ max-width:760px; margin-bottom:46px; }
.section-sub{ color:var(--body-ink); font-size:17px; margin-top:18px; max-width:62ch; }

/* ============================================================
   BOTONES
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-weight:600; font-size:15px; padding:14px 26px; border-radius:999px;
  transition:transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  cursor:pointer; border:1.5px solid transparent;
}
.btn-lg{ padding:17px 32px; font-size:16px; }
.btn-coral{ background:var(--coral); color:#fff; }
.btn-coral:hover{ transform:translateY(-2px); background:#d65c43; }
.btn-ghost{ background:transparent; border-color:currentColor; color:inherit; }
.btn-ghost:hover{ transform:translateY(-2px); border-color:var(--coral); color:var(--coral); }
/* En fondos oscuros el ghost arranca con borde tenue */
.hero .btn-ghost, .contact .btn-ghost{ color:#fff; border-color:rgba(255,255,255,.4); }
.hero .btn-ghost:hover, .contact .btn-ghost:hover{ color:var(--coral); border-color:var(--coral); }

/* ============================================================
   1 · HERO  (azul noche)
   ============================================================ */
.hero{
  background:var(--navy); color:#fff;
  padding:clamp(70px, 12vh, 130px) 0 clamp(64px, 10vh, 110px);
  position:relative; overflow:hidden;
}
/* Resplandor coral sutil de fondo */
.hero::before{
  content:""; position:absolute; top:-30%; right:-10%;
  width:680px; height:680px; border-radius:50%;
  background:radial-gradient(circle, rgba(232,111,86,.20), transparent 62%);
  pointer-events:none;
}
.hero::after{
  content:""; position:absolute; bottom:-40%; left:-15%;
  width:620px; height:620px; border-radius:50%;
  background:radial-gradient(circle, rgba(75,78,140,.28), transparent 64%);
  pointer-events:none;
}
.hero-inner{ position:relative; z-index:1; max-width:920px; }
.hero-title{
  font-family:var(--serif); font-weight:500;
  font-size:clamp(38px, 6.4vw, 76px); line-height:1.02; letter-spacing:-.02em;
  margin-bottom:26px;
}
.hero-title .serif{ color:var(--coral); }
.hero-lead{ font-size:clamp(16px,1.5vw,19px); color:#C9CAD6; max-width:620px; margin-bottom:34px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; }

.hero-strip{
  display:flex; flex-wrap:wrap; gap:38px;
  margin-top:56px; padding-top:30px; border-top:1px solid rgba(255,255,255,.14);
}
.hero-strip li{ display:flex; flex-direction:column; }
.hero-strip strong{ font-family:var(--serif); font-style:normal; font-size:32px; font-weight:600; color:#fff; }
.hero-strip span{ font-size:13.5px; color:#9C9EAD; max-width:24ch; margin-top:4px; }

/* ============================================================
   SECCIONES GENERALES
   ============================================================ */
.section{ padding:clamp(64px, 9vw, 110px) 0; }
.section-cream{ background:var(--cream); }
/* Alternancia sutil: las secciones sobre crema base usan un tono ligeramente distinto */
.section{ background:#FAF7F0; }
.section-cream{ background:var(--cream); }

/* ---------- Rejillas ---------- */
.grid{ display:grid; gap:22px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }

/* ---------- Tarjetas de capacidades (Qué hacemos) ---------- */
.card{
  background:var(--card); border:1px solid var(--card-line); border-radius:var(--radius);
  padding:30px 30px 32px;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.card:hover{ transform:translateY(-4px); box-shadow:0 18px 40px rgba(22,19,15,.08); border-color:#d9d2bf; }
.card-top{ display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; }
.card-top .idx{ font-size:13px; font-weight:700; color:var(--gray); letter-spacing:.05em; }
.card-top .ico{
  width:46px; height:46px; border-radius:12px; background:var(--cream-2);
  display:flex; align-items:center; justify-content:center; color:var(--coral);
}
.card-top .ico svg{ width:23px; height:23px; }
.card h3{ font-size:21px; font-weight:700; letter-spacing:-.01em; margin-bottom:10px; }
.card-desc{ font-size:14.5px; color:var(--gray); margin-bottom:20px; }
.card ul{ border-top:1px solid var(--card-line); padding-top:16px; }
.card li{ font-size:14px; color:var(--body-ink); padding:5px 0 5px 18px; position:relative; }
.card li::before{ content:""; position:absolute; left:0; top:12px; width:6px; height:6px; border-radius:50%; background:var(--coral); }

/* ============================================================
   3 · CÓMO TRABAJAMOS · Timeline
   ============================================================ */
.timeline{ max-width:780px; }
.step{ display:grid; grid-template-columns:54px 1fr; gap:22px; padding-bottom:30px; position:relative; }
.step:not(:last-child)::before{
  content:""; position:absolute; left:26px; top:54px; bottom:0; width:2px; background:var(--card-line);
}
.step-circle{
  width:54px; height:54px; border-radius:50%; border:1.5px solid var(--ink);
  display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:15px; background:var(--card); z-index:1;
}
.step-body h3{ font-size:22px; font-weight:700; letter-spacing:-.01em; margin:10px 0 9px; }
.step-body p{ font-size:15.5px; color:var(--body-ink); max-width:560px; margin-bottom:14px; }
.pill-meta{
  display:inline-block; font-size:13px; color:var(--body-ink);
  background:var(--card); border:1px solid var(--card-line); border-radius:999px; padding:8px 16px;
}

/* ============================================================
   4 · PARA QUIÉN · Tarjetas de nicho
   ============================================================ */
.niche-card{
  background:var(--card); border:1px solid var(--card-line); border-radius:var(--radius);
  padding:30px;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.niche-card:hover{ transform:translateY(-4px); box-shadow:0 18px 40px rgba(22,19,15,.08); border-color:#d9d2bf; }
.niche-head{ display:flex; align-items:center; gap:14px; margin-bottom:14px; }
.niche-emoji{
  width:48px; height:48px; border-radius:12px; background:var(--cream-2);
  display:flex; align-items:center; justify-content:center; color:var(--ink); flex:none;
}
.niche-emoji svg{ width:24px; height:24px; }
.niche-head h3{ font-size:20px; font-weight:700; letter-spacing:-.01em; }
.niche-card p{ font-size:14.5px; color:var(--body-ink); margin-bottom:18px; }
.niche-card > p:last-child{ margin-bottom:0; }

.pills{ display:flex; flex-wrap:wrap; gap:9px; }
.pills span{
  background:var(--cream-2); border:1px solid var(--card-line); border-radius:999px;
  padding:7px 14px; font-size:12.5px; color:var(--body-ink);
}

/* Etiqueta que introduce cada sub-bloque (por proceso / por sector) */
.block-label{
  font-size:12px; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:var(--gray); margin:6px 0 20px;
}

/* Abanico de sectores */
.sectors{ margin-top:46px; }
.pills-lg{ gap:11px; }
.pills-lg span{ font-size:13.5px; padding:9px 17px; background:var(--card); }
.pill-accent{ background:var(--coral) !important; border-color:var(--coral) !important; color:#fff !important; font-weight:600; }

/* Franja de cierre de la sección "Para quién" */
.scope-banner{
  display:flex; align-items:center; justify-content:space-between; gap:30px;
  margin-top:24px; padding:34px 38px;
  background:var(--navy); color:#fff; border-radius:var(--radius);
}
.scope-text h3{ font-family:var(--serif); font-style:normal; font-weight:500; font-size:24px; line-height:1.15; margin-bottom:8px; }
.scope-text p{ font-size:15px; color:#C9CAD6; max-width:62ch; }
.scope-banner .btn{ flex:none; }
@media (max-width:760px){
  .scope-banner{ flex-direction:column; align-items:flex-start; padding:28px 26px; }
  .scope-banner .btn{ width:100%; }
}

/* ============================================================
   5 · POR QUÉ TRIUM · Stats + razones
   ============================================================ */
.stats-row{
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px;
  margin-bottom:54px; padding-bottom:48px; border-bottom:1px solid var(--card-line);
}
.stat-n{ font-family:var(--serif); font-style:normal; font-weight:600; font-size:clamp(40px,5vw,56px); line-height:1; letter-spacing:-.02em; }
.stat-n span{ color:var(--coral); font-size:.5em; vertical-align:baseline; margin-left:2px; }
.stat p{ font-size:14px; color:var(--gray); margin-top:10px; max-width:26ch; }

.reasons{ gap:20px; }
.reason, .value{
  background:var(--card); border:1px solid var(--card-line); border-radius:var(--radius);
  padding:26px 26px 28px;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease);
}
.reason:hover, .value:hover{ transform:translateY(-4px); box-shadow:0 18px 40px rgba(22,19,15,.08); }
.reason .dot, .value .dot{
  width:36px; height:36px; border-radius:50%; background:var(--ink); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:700; margin-bottom:16px;
}
.value .dot{ background:var(--coral); font-size:15px; }
.reason h3, .value h3{ font-size:17px; font-weight:700; letter-spacing:-.01em; margin-bottom:9px; }
.reason p, .value p{ font-size:14px; color:var(--gray); }

/* ============================================================
   6 · PORTAFOLIO · Tarjetas-enlace
   ============================================================ */
.folio-card{
  display:flex; flex-direction:column; align-items:flex-start;
  background:var(--navy); color:#fff; border-radius:var(--radius);
  padding:34px; min-height:200px;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease);
}
.folio-card:hover{ transform:translateY(-4px); box-shadow:0 22px 50px rgba(22,23,43,.28); }
.folio-tag{
  font-size:11px; font-weight:700; letter-spacing:.18em; text-transform:uppercase;
  color:var(--coral); margin-bottom:18px;
}
.folio-card h3{ font-family:var(--serif); font-style:normal; font-weight:500; font-size:25px; line-height:1.15; margin-bottom:10px; }
.folio-card p{ font-size:14.5px; color:#B9BAC6; margin-bottom:22px; }
.folio-link{ margin-top:auto; font-weight:600; font-size:14.5px; color:#fff; }
.folio-card:hover .folio-link{ color:var(--coral); }

/* ============================================================
   7 · NOSOTROS · Miembros
   ============================================================ */
.member{
  background:var(--card); border:1px solid var(--card-line); border-radius:var(--radius);
  padding:32px 30px; text-align:left;
}
.avatar{
  width:64px; height:64px; border-radius:50%;
  background:var(--navy); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--serif); font-style:normal; font-weight:600; font-size:22px;
  margin-bottom:18px;
}
.member:nth-child(2) .avatar{ background:var(--coral); }
.member:nth-child(3) .avatar{ background:var(--indigo); }
.member h3{ font-size:19px; font-weight:700; letter-spacing:-.01em; margin-bottom:4px; }
.member-role{ font-size:13px; font-weight:600; color:var(--coral); margin-bottom:12px; letter-spacing:.02em; }
.member-bio{ font-size:14px; color:var(--gray); }

/* ============================================================
   7 · FAQ · Acordeón (native <details>, accesible y sin JS)
   ============================================================ */
.faq{ max-width:780px; }
.faq-item{
  border:1px solid var(--card-line); border-radius:var(--radius-sm);
  background:var(--card); margin-bottom:14px; overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq-item[open]{ border-color:#d9d2bf; }
.faq-item summary{
  list-style:none; cursor:pointer; padding:22px 26px;
  display:flex; align-items:center; justify-content:space-between; gap:18px;
  font-weight:600; font-size:16.5px; color:var(--ink);
}
.faq-item summary::-webkit-details-marker{ display:none; }
/* Signo +/− a la derecha */
.faq-item summary::after{
  content:"+"; font-family:var(--sans); font-weight:400; font-size:26px; line-height:1;
  color:var(--coral); flex:none; transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{ content:"−"; }
.faq-item summary:hover{ color:var(--coral); }
.faq-a{ padding:0 26px 24px; }
.faq-a p{ font-size:15px; color:var(--body-ink); max-width:64ch; }

/* ============================================================
   8 · CÓMO EMPEZAMOS · Pasos numerados
   ============================================================ */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; counter-reset:step; }
.step-card{
  background:var(--card); border:1px solid var(--card-line); border-radius:var(--radius);
  padding:30px 28px 32px; position:relative;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease);
}
.step-card:hover{ transform:translateY(-4px); box-shadow:0 18px 40px rgba(22,19,15,.08); }
.step-num{
  font-family:var(--serif); font-style:italic; font-weight:400;
  font-size:40px; color:var(--coral); line-height:1; display:block; margin-bottom:16px;
}
.step-card h3{ font-size:19px; font-weight:700; letter-spacing:-.01em; margin-bottom:9px; }
.step-card p{ font-size:14.5px; color:var(--gray); }
@media (max-width:760px){ .steps{ grid-template-columns:1fr; } }

/* ============================================================
   9 · CONTACTO  (azul noche)
   ============================================================ */
.contact{
  background:var(--navy); color:#fff;
  padding:clamp(70px,10vw,120px) 0; position:relative; overflow:hidden;
}
.contact::before{
  content:""; position:absolute; top:-30%; left:50%; transform:translateX(-50%);
  width:760px; height:760px; border-radius:50%;
  background:radial-gradient(circle, rgba(232,111,86,.16), transparent 60%); pointer-events:none;
}
.contact-inner{ position:relative; z-index:1; max-width:840px; text-align:center; margin:0 auto; }
.contact-inner .eyebrow{ display:block; }
.contact-title{
  font-family:var(--serif); font-style:normal; font-weight:500;
  font-size:clamp(30px,4.6vw,52px); line-height:1.08; letter-spacing:-.01em; margin-bottom:20px;
}
.contact-title .serif{ display:block; color:var(--coral); }
.contact-lead{ font-size:17px; color:#C9CAD6; max-width:56ch; margin:0 auto 36px; }
.contact-actions{ display:flex; flex-wrap:wrap; gap:14px; justify-content:center; margin-bottom:50px; }

.contact-meta{
  display:flex; flex-wrap:wrap; justify-content:center; gap:48px;
  padding-top:36px; border-top:1px solid rgba(255,255,255,.14);
}
.contact-meta li{ display:flex; flex-direction:column; gap:5px; font-size:16px; }
.contact-meta .lbl{ font-size:11px; font-weight:700; letter-spacing:.18em; text-transform:uppercase; color:var(--coral); }
.contact-meta a:hover{ color:var(--coral); }

/* ============================================================
   FOOTER  (azul noche)
   ============================================================ */
.site-footer{ background:#101120; color:#fff; padding:60px 0 30px; }
.footer-inner{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:40px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.12); }
.footer-brand img{ height:36px; width:auto; margin-bottom:16px; }
.footer-brand p{ font-size:14px; color:#9C9EAD; max-width:30ch; }
.footer-nav{ display:flex; flex-wrap:wrap; gap:18px 28px; align-items:flex-start; max-width:420px; }
.footer-nav a{ font-size:14px; color:#C9CAD6; }
.footer-nav a:hover{ color:var(--coral); }
.footer-bottom{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:10px; padding-top:24px; font-size:13px; color:#7E8090; }

/* ============================================================
   Botón flotante de WhatsApp
   ============================================================ */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:120;
  width:56px; height:56px; border-radius:50%;
  background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 28px rgba(37,211,102,.42);
  transition:transform .2s var(--ease);
}
.wa-float:hover{ transform:scale(1.07); }

/* ============================================================
   Animaciones de scroll (sutiles)
   ============================================================ */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }

/* Respeta a quien prefiere menos movimiento */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .card:hover, .niche-card:hover, .reason:hover, .folio-card:hover, .btn:hover, .wa-float:hover{ transform:none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:900px){
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .stats-row{ grid-template-columns:repeat(2,1fr); gap:30px; }
}

@media (max-width:760px){
  /* Menú móvil */
  .nav-toggle{ display:flex; }
  .nav-links{
    position:fixed; inset:72px 0 auto 0;
    flex-direction:column; align-items:flex-start; gap:0;
    background:var(--cream); border-bottom:1px solid var(--card-line);
    padding:8px 24px 24px; transform:translateY(-120%); transition:transform .35s var(--ease);
    box-shadow:0 20px 40px rgba(22,19,15,.10);
  }
  .nav-links.open{ transform:translateY(0); }
  .nav-links > a{ width:100%; padding:14px 0; border-bottom:1px solid var(--card-line); opacity:1; }
  .nav-cta{ margin-top:14px; width:100%; text-align:center; padding:14px; }

  .grid-2, .grid-3{ grid-template-columns:1fr; }
  .hero-strip{ gap:26px; }
  .hero-strip li{ flex:1 1 40%; }
  .contact-meta{ gap:28px; }
  .footer-inner{ flex-direction:column; gap:28px; }
}

@media (max-width:420px){
  .stats-row{ grid-template-columns:1fr; }
  .hero-actions .btn, .contact-actions .btn{ width:100%; }
}