/* =========================================================
   GROWTH AI GLOBAL — G1.1
   Home corporativa · growthaiglobal.com
   Tokens de marca: Brand Book G1.1 (m012_brandbook/BRAND_BOOK_G11.md)
   ========================================================= */

:root{
  /* Paleta G1.1 */
  --navy:#0B1F3A;
  --navy-deep:#011434;
  --exec-navy:#0E2A4D;
  --gold:#C5A059;
  --gold-light:#D4B56A;
  --bronze:#9C7A3C;
  --white:#FFFFFF;
  --bone:#F4EFE6;
  --ink:#1C2B3A;
  --ink-70:rgba(28,43,58,.72);
  --light:#F7F8FA;
  --line:rgba(11,31,58,.16);
  --line-strong:rgba(11,31,58,.24);
  --line-light:rgba(255,255,255,.22);

  /* Tipografía G1.1 */
  --font-display:"Montserrat", "Helvetica Neue", Arial, sans-serif;
  --font-body:"Inter", "Segoe UI", Arial, sans-serif;

  /* Layout */
  --container:1200px;
  --radius:2px;
  --section-y:88px;
  --header-h:76px;
}

/* ---------- Reset base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--font-display);color:var(--navy);margin:0 0 .6em;line-height:1.15;letter-spacing:-.01em}
h1{font-weight:600;font-size:clamp(2rem,4.6vw,3.35rem)}
h2{font-weight:600;font-size:clamp(1.55rem,3.1vw,2.3rem)}
h3{font-weight:600;font-size:1.06rem;letter-spacing:0}
p{margin:0 0 1rem}
a{color:inherit}
ul{list-style:none;margin:0;padding:0}
strong{font-weight:600}

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

/* Accesibilidad */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--gold);color:var(--navy-deep);padding:.75rem 1rem;font-weight:600;
}
.skip-link:focus{left:8px;top:8px}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- Tipografía auxiliar ---------- */
.eyebrow{
  font-family:var(--font-display);
  font-size:.76rem;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.19em;
  margin:0 0 .85rem;
  color:var(--ink-70);
}
.eyebrow-gold{color:var(--bronze)}
.section-navy .eyebrow-gold,.hero .eyebrow-gold{color:var(--gold)}
.gold{color:var(--gold)}
.lead{font-size:1.06rem;max-width:60ch;color:var(--ink-70)}
.lead-light{font-size:1.06rem;max-width:60ch;color:rgba(255,255,255,.86)}
.muted{color:var(--ink-70);font-size:.95rem}
.section-link{margin:2rem 0 0}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-display);font-weight:600;font-size:.82rem;
  text-transform:uppercase;letter-spacing:.1em;text-decoration:none;
  padding:1rem 1.6rem;border:1px solid transparent;border-radius:var(--radius);
  cursor:pointer;transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--gold);color:var(--navy-deep);border-color:var(--gold)}
.btn-primary:hover{background:var(--gold-light);border-color:var(--gold-light)}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--gold);border-radius:999px}
.btn-outline:hover{background:var(--gold);color:var(--navy-deep)}
.btn-outline-light{background:transparent;color:var(--white);border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:var(--white);color:var(--navy);border-color:var(--white)}
.btn-sm{padding:.72rem 1.2rem;font-size:.74rem}
.btn-block{width:100%;margin-top:.4rem}
.btn-row{display:flex;flex-wrap:wrap;gap:.85rem;align-items:center}
.text-link{
  font-family:var(--font-display);font-weight:600;font-size:.8rem;letter-spacing:.08em;
  text-transform:uppercase;text-decoration:none;color:var(--navy);
  border-bottom:1px solid var(--gold);padding-bottom:2px;
}
.text-link:hover{color:var(--bronze)}
.text-link-gold{color:var(--gold);border-bottom-color:var(--gold)}
.text-link-gold:hover{color:var(--gold-light)}
.link-inline{color:var(--gold);text-decoration:underline}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:var(--white);
  border-bottom:1px solid var(--line);
}
.header-inner{min-height:var(--header-h);display:flex;align-items:center;gap:24px}
.brand img{width:206px;height:auto}
.main-nav{display:none;margin-left:auto}
.main-nav ul{display:flex;gap:22px}
.main-nav a{
  font-family:var(--font-display);font-size:.73rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.11em;color:var(--navy);text-decoration:none;padding:.35rem 0;
  border-bottom:2px solid transparent;
}
.main-nav a:hover{border-bottom-color:var(--gold)}
.main-nav a[aria-current="page"]{border-bottom-color:var(--gold)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.header-cta{display:none}

/* Menú móvil (nativo, sin JS) */
.mobile-menu{position:relative}
.mobile-menu summary{
  list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--font-display);font-size:.74rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.1em;color:var(--navy);
}
.mobile-menu summary::-webkit-details-marker{display:none}
.burger{width:22px;height:2px;background:var(--navy);display:block;position:relative}
.burger::before,.burger::after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--navy)}
.burger::before{top:-7px}
.burger::after{top:7px}
.mobile-menu nav{
  position:absolute;right:0;top:calc(100% + 14px);width:min(86vw,320px);
  background:var(--navy);border:1px solid var(--line-light);border-radius:var(--radius);
  padding:14px 8px;box-shadow:0 18px 40px rgba(1,20,52,.28);
}
.mobile-menu nav ul{display:flex;flex-direction:column}
.mobile-menu nav a{
  display:block;padding:11px 14px;color:var(--white);text-decoration:none;
  font-family:var(--font-display);font-size:.8rem;font-weight:500;text-transform:uppercase;letter-spacing:.08em;
}
.mobile-menu nav a:hover{background:var(--exec-navy);color:var(--gold)}
.mobile-menu nav .btn{margin:10px 14px 4px;color:var(--white)}

/* Refuerzos de layout */
.hero-copy{min-width:0}        /* evita desborde del grid del hero con contenido largo */
.menu-label{display:inline}
@media (max-width:419px){
  .menu-label{display:none}    /* en pantallas muy angostas queda solo el icono de menú */
}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy);color:var(--white);overflow:hidden}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(to right, rgba(197,160,89,.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(197,160,89,.07) 1px, transparent 1px);
  background-size:88px 88px, 88px 88px;
}
.hero::after{
  content:"";position:absolute;right:-12%;top:-18%;width:58%;height:120%;
  background:radial-gradient(closest-side, rgba(14,42,77,.85), rgba(11,31,58,0) 72%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:1;padding:64px 24px 72px;
  display:grid;grid-template-columns:1fr;gap:44px;align-items:start;
}
.hero h1{color:var(--white);margin-bottom:.5em}
.hero-sub{font-size:1.04rem;color:rgba(255,255,255,.88);max-width:56ch;margin-bottom:1.9rem}
.hero-actions{margin-bottom:1rem}
.microcopy{font-size:.8rem;color:rgba(255,255,255,.7);margin:0}

/* Formulario de diagnóstico */
.hero-form-wrap{width:100%}
.diag-form{
  background:var(--navy-deep);
  border:1px solid rgba(197,160,89,.55);
  border-radius:var(--radius);
  padding:26px 22px 22px;
  box-shadow:0 24px 60px rgba(1,20,52,.45);
}
.form-title{color:var(--white);font-size:1.18rem;margin-bottom:.25rem}
.form-sub{font-size:.84rem;color:rgba(255,255,255,.74);margin-bottom:1.35rem}
.field{margin-bottom:14px}
.field label{
  display:block;font-family:var(--font-display);font-size:.68rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.13em;color:rgba(255,255,255,.9);margin-bottom:6px;
}
.field input[type="text"],
.field input[type="email"],
.field select{
  width:100%;padding:.78rem .85rem;font-family:var(--font-body);font-size:.9rem;
  color:var(--white);background:rgba(255,255,255,.08);
  border:1px solid var(--line-light);border-radius:var(--radius);
}
.field input::placeholder{color:rgba(255,255,255,.6)}
.field select:invalid{color:rgba(255,255,255,.6)}
.field select option{color:var(--ink);background:var(--white)}
.field input:focus,.field select:focus{outline:none;border-color:var(--gold);background:rgba(255,255,255,.12)}
.field-check{display:grid;grid-template-columns:18px 1fr;gap:10px;align-items:start;margin:16px 0 12px}
.field-check input{width:18px;height:18px;margin-top:2px;accent-color:var(--gold)}
.field-check label{
  font-family:var(--font-body);font-size:.78rem;font-weight:400;text-transform:none;
  letter-spacing:0;color:rgba(255,255,255,.8);margin:0;
}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:.82rem;margin:.7rem 0 0;color:var(--gold)}
.form-note:empty{display:none}
.form-micro{font-size:.74rem;color:rgba(255,255,255,.62);margin:.5rem 0 0}

/* ---------- Secciones ---------- */
.section{padding:var(--section-y) 0;background:var(--white)}
.section-navy{position:relative;background:var(--navy);color:var(--white);overflow:hidden}
.section-navy h2{color:var(--white)}
.section-bone{background:var(--bone)}
.section-light{background:var(--light)}

/* Trust bar */
.trust{background:var(--white);border-bottom:1px solid var(--line);padding:44px 0}
.trust-grid{display:grid;grid-template-columns:1fr;gap:26px}
.trust-item{border-left:2px solid var(--gold);padding-left:16px}
.trust-title{font-size:.98rem;margin-bottom:.3rem}
.trust-item p{font-size:.88rem;color:var(--ink-70);margin:0}

/* Cards */
.cards-3,.cards-2{display:grid;grid-template-columns:1fr;gap:20px;margin-top:2.2rem;align-items:stretch}
.card{
  background:var(--white);border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:26px 24px;box-shadow:0 1px 2px rgba(11,31,58,.05);
}
.card h3{margin-bottom:.45rem}
.card p{font-size:.9rem;color:var(--ink-70);margin-bottom:0}
.card .marker{display:block;width:26px;height:3px;background:var(--gold);margin-bottom:16px}
.card-service{display:flex;flex-direction:column;padding-bottom:28px}
.card-service p{margin-bottom:0}
.card-service .text-link{display:inline-block;margin-top:auto;padding-top:20px;align-self:flex-start}
.card-navy{background:var(--exec-navy);border-color:var(--line-light);box-shadow:none}
.card-navy h3{color:var(--white)}
.card-navy p{color:rgba(255,255,255,.8)}
.num{
  display:block;font-family:var(--font-display);font-weight:700;font-size:.82rem;
  letter-spacing:.12em;color:var(--gold);margin-bottom:12px;
}
.num-dark{color:var(--bronze)}
.card-case{display:flex;flex-direction:column;min-height:210px}
.card-case .meta{font-size:.82rem;color:var(--ink-70);margin-bottom:.6rem}
.card-case .btn{margin-top:auto;align-self:flex-start}

/* CTA de sección */
.section-cta{margin-top:2.4rem;border-top:1px solid var(--line);padding-top:1.8rem}
.section-navy .section-cta{border-top-color:var(--line-light)}

/* Proceso / metodología */
.process{list-style:none;margin:2.2rem 0 0;padding:0;display:grid;grid-template-columns:1fr;gap:10px}
.process li{position:relative}
.step{
  display:flex;align-items:center;justify-content:center;text-align:center;min-height:64px;
  padding:1rem .9rem;background:var(--exec-navy);border:1px solid var(--line-light);border-radius:var(--radius);
  font-family:var(--font-display);font-size:.76rem;font-weight:600;letter-spacing:.11em;
  text-transform:uppercase;color:var(--white);
}
.process li + li::before{content:"↓";display:block;text-align:center;color:var(--gold);font-size:.9rem;line-height:1.4}

/* Banda de conversión */
.convert{text-align:left}
.convert-inner{position:relative;z-index:1}
.convert h2{margin-bottom:.5rem}
.convert .btn-row{margin-top:1.6rem}
.section-navy .muted{color:rgba(255,255,255,.8)}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.82);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:start}
.footer-col h3{color:var(--white);font-size:.76rem;text-transform:uppercase;letter-spacing:.16em;margin-bottom:1rem}
.footer-col ul li{margin-bottom:.5rem}
.footer-col a{color:rgba(255,255,255,.82);text-decoration:none;font-size:.88rem}
.footer-col a:hover{color:var(--gold)}
.footer-brand p{font-size:.86rem;color:rgba(255,255,255,.7);max-width:38ch;margin:1rem 0 .6rem}
.footer-brand img{width:200px}
.footer-tagline{
  font-family:var(--font-display);font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;
  color:var(--gold);margin-bottom:.35rem;
}
.footer-url{font-size:.84rem;color:rgba(255,255,255,.82);margin-bottom:0}
.footer-contact{margin-bottom:1.4rem}
.footer-col .btn-outline-light{padding:.85rem 1.3rem;white-space:normal;text-align:center}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-light);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{margin:0;font-size:.78rem;color:rgba(255,255,255,.6)}
.footer-legal{display:flex;gap:18px}
.footer-legal a{font-size:.78rem;color:rgba(255,255,255,.65);text-decoration:none}
.footer-legal a:hover{color:var(--gold)}

/* ---------- CTA flotante (mobile/tablet) ---------- */
.float-cta{
  position:fixed;right:16px;bottom:16px;z-index:90;
  width:54px;height:54px;border-radius:50%;
  background:var(--gold);color:var(--navy-deep);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(1,20,52,.35);
}
.float-cta:hover{background:var(--gold-light)}

/* =========================================================
   Breakpoints
   ========================================================= */
@media (min-width:600px){
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .process li + li::before{content:none}
}

@media (min-width:992px){
  :root{--section-y:104px}
  .hero-inner{grid-template-columns:1.05fr .95fr;gap:56px;padding:84px 24px 96px;align-items:center}
  .cards-3{grid-template-columns:repeat(3,1fr);gap:24px}
  .cards-2{grid-template-columns:repeat(2,1fr);gap:24px}
  /* 5 tarjetas de problemas: segunda fila centrada (grid de 6 columnas) */
  .cards-problems{grid-template-columns:repeat(6,1fr)}
  .cards-problems > *{grid-column:span 2}
  .cards-problems > :nth-child(4){grid-column:2 / span 2}
  .cards-problems > :nth-child(5){grid-column:4 / span 2}
  /* Proceso metodológico en una línea */
  .process{grid-template-columns:repeat(6,1fr);gap:0}
  .process li + li::before{
    content:"→";display:block;position:absolute;left:-10px;top:50%;transform:translateY(-50%);
    font-size:1rem;color:var(--gold);line-height:1;
  }
  .process li:not(:last-child) .step{margin-right:16px}
  .process li:not(:first-child) .step{margin-left:16px}
  .footer-grid{grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:40px}
  .float-cta{display:none}
}

@media (min-width:1120px){
  .main-nav{display:block}
  .mobile-menu{display:none}
  .header-cta{display:inline-flex}
  .header-actions{margin-left:0}
}