/* =========================================================
   BILMEK Consulting - estilos
   Paleta: morado institucional #602E9E + lavanda #E7EEF9
   ========================================================= */
:root{
  --violet:#602E9E;      /* color de marca */
  --violet-deep:#2B1446; /* secciones oscuras y texto fuerte */
  --violet-soft:#B9A3D9; /* matices de la matriz */
  --lavender:#E7EEF9;    /* fondos de apoyo (como en los informes) */
  --paper:#FFFFFF;
  --ink:#1E1630;         /* texto principal */
  --muted:#5D5671;       /* texto secundario */
  --line:#D9D3E6;
  --wa:#1F8F4E;          /* verde WhatsApp sobrio */
  --serif:"Spectral", Georgia, "Times New Roman", serif;
  --sans:"Public Sans", Arial, Helvetica, sans-serif;
  --wrap:1180px;
  --pad:clamp(20px,5vw,56px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.65;color:var(--ink);background:var(--paper)}
img{max-width:100%;display:block}
a{color:var(--violet)}
a:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid var(--violet);outline-offset:3px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.12;margin:0 0 .5em;color:var(--violet-deep)}
h1{font-size:clamp(2.4rem,5.4vw,4.4rem);letter-spacing:-.015em}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);letter-spacing:-.01em}
h3{font-size:clamp(1.3rem,2vw,1.6rem)}
p{margin:0 0 1em;max-width:68ch}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.lead{font-size:clamp(1.08rem,1.5vw,1.25rem);color:var(--muted);max-width:56ch}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}

/* ---------- Encabezado ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--violet-deep)}
.brand img{width:36px;height:36px}
.brand b{font-family:var(--serif);font-size:1.45rem;font-weight:600;letter-spacing:.04em}
.brand span{display:block;font-size:.72rem;color:var(--muted);letter-spacing:.02em;margin-top:-4px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{text-decoration:none;color:var(--ink);font-size:.97rem;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--violet)}
.nav a[aria-current="page"]{border-color:var(--violet);color:var(--violet)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:9px 11px;cursor:pointer}
.menu-btn i{display:block;width:20px;height:2px;background:var(--violet-deep);margin:4px 0;transition:transform .25s,opacity .25s}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font:600 1rem/1 var(--sans);text-decoration:none;padding:16px 24px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,transform .2s}
.btn:hover{transform:translateY(-1px)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:#18763f}
.btn-ghost{border-color:var(--violet);color:var(--violet);background:transparent}
.btn-ghost:hover{background:var(--violet);color:#fff}
.btn svg{width:20px;height:20px;flex:none}
.nav .btn{padding:11px 18px;font-size:.92rem;border-bottom:2px solid transparent}

/* ---------- Hero con matriz de riesgo ---------- */
.hero{padding:clamp(48px,8vw,104px) 0 clamp(56px,8vw,96px);background:linear-gradient(180deg,var(--lavender) 0%,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,80px);align-items:center}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.matrix-fig{margin:0}
.matrix{display:grid;grid-template-columns:28px repeat(5,1fr);grid-template-rows:repeat(5,1fr) 28px;gap:6px;aspect-ratio:1/1;max-width:460px;margin-left:auto}
.cell{border:0;border-radius:6px;background:var(--c,#ccc);cursor:pointer;opacity:1;transform:scale(1);transition:transform .2s,box-shadow .2s,opacity .5s}
.cell:hover,.cell:focus-visible,.cell.on{transform:scale(1.07);box-shadow:0 0 0 3px #fff,0 0 0 5px var(--violet-deep);z-index:2}
.js .matrix.pre .cell{opacity:0;transform:scale(.6)}
.axis{font-size:.72rem;color:var(--muted);display:flex;align-items:center;justify-content:center}
.axis-y{writing-mode:vertical-rl;transform:rotate(180deg);grid-row:1/6;grid-column:1}
.axis-x{grid-column:2/7;grid-row:6}
.matrix-read{max-width:460px;margin:18px 0 0 auto;min-height:3.4em;padding:14px 18px;border-left:4px solid var(--violet);background:#fff;font-size:.95rem;color:var(--ink)}
.matrix-read strong{color:var(--violet)}

/* ---------- Secciones ---------- */
.section{padding:clamp(64px,9vw,120px) 0}
.section.tint{background:var(--lavender)}
.section-head{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(24px,5vw,72px);align-items:end;margin-bottom:clamp(36px,5vw,60px)}
.section-head p{margin:0}

/* Practicas: filas, no tarjetas */
.practice{display:grid;grid-template-columns:minmax(220px,1fr) 1.6fr auto;gap:clamp(18px,4vw,56px);align-items:baseline;padding:34px 0;border-top:1px solid var(--line)}
.practice:last-child{border-bottom:1px solid var(--line)}
.practice h3{margin:0}
.practice p{margin:0;color:var(--muted)}
.practice a{white-space:nowrap;font-weight:600;text-decoration-thickness:1px;text-underline-offset:4px}

/* Proceso: secuencia real, por eso va numerada */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;list-style:none;margin:0;padding:0}
.steps li{counter-increment:s;padding:28px 26px 8px 0;border-top:3px solid var(--violet-soft);position:relative}
.steps li::before{content:counter(s);font-family:var(--serif);font-size:2.6rem;line-height:1;color:var(--violet);display:block;margin-bottom:14px}
.steps li:first-child{border-top-color:var(--violet)}
.steps h3{font-size:1.25rem}
.steps p{font-size:.97rem;color:var(--muted)}

/* Bloque oscuro de la firma */
.dark{background:var(--violet-deep);color:#EDE7F7}
.dark h2,.dark h3{color:#fff}
.quote{font-family:var(--serif);font-size:clamp(1.7rem,3.4vw,2.7rem);line-height:1.25;color:#fff;max-width:24ch;margin:0 0 28px}
.dark p{color:#D5CBE6}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,90px);align-items:start}

/* Marcos normativos */
.frames{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:10px}
.frames div{background:#fff;padding:26px}
.frames b{display:block;font-family:var(--serif);font-size:1.25rem;font-weight:600;color:var(--violet);margin-bottom:6px}
.frames span{font-size:.95rem;color:var(--muted)}

/* Detalle de servicios */
.page-hero{padding:clamp(56px,8vw,100px) 0 clamp(40px,6vw,64px);background:var(--lavender)}
.svc{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,6vw,88px);padding:clamp(48px,7vw,88px) 0;border-bottom:1px solid var(--line)}
.svc:last-of-type{border-bottom:0}
.svc .tag{display:inline-block;font-size:.85rem;color:var(--violet);background:var(--lavender);padding:5px 12px;border-radius:999px;margin-bottom:16px}
.checks{list-style:none;margin:0;padding:0}
.checks li{padding:15px 0 15px 34px;border-bottom:1px solid var(--line);position:relative}
.checks li::before{content:"";position:absolute;left:0;top:22px;width:16px;height:9px;border-left:2px solid var(--violet);border-bottom:2px solid var(--violet);transform:rotate(-45deg)}
.checks li strong{display:block;color:var(--violet-deep)}
.checks li span{color:var(--muted);font-size:.96rem}

/* Contacto */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,80px);align-items:start}
.composer{background:#fff;border:1px solid var(--line);border-radius:16px;padding:clamp(24px,4vw,40px)}
.composer label{display:block;font-weight:600;margin:0 0 8px;color:var(--violet-deep)}
.composer select,.composer textarea{width:100%;font:inherit;padding:13px 14px;border:1px solid #C9C0DA;border-radius:10px;background:#fff;color:var(--ink);margin-bottom:22px}
.composer textarea{min-height:120px;resize:vertical}
.composer .hint{font-size:.88rem;color:var(--muted);margin:14px 0 0}
.facts{list-style:none;margin:0;padding:0}
.facts li{padding:20px 0;border-bottom:1px solid var(--line)}
.facts small{display:block;color:var(--muted);font-size:.86rem}
.facts a,.facts b{font-size:1.1rem;color:var(--violet-deep);font-weight:600;text-decoration:none}

/* Franja de cierre */
.cta-band{padding:clamp(56px,8vw,96px) 0;background:var(--violet);color:#fff}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{color:#fff;margin:0;max-width:22ch}

/* Pie */
.site-footer{background:var(--violet-deep);color:#CFC4E2;padding:56px 0 34px;font-size:.93rem}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:0 0 8px}
.site-footer h4{color:#fff;font-family:var(--serif);font-weight:500;font-size:1.1rem;margin:0 0 14px}
.legal{border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:22px;font-size:.84rem;color:#A99BC4}

/* Boton flotante de WhatsApp */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 8px 24px rgba(31,143,78,.35);transition:transform .2s}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:30px;height:30px}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid,.section-head,.split,.svc,.contact-grid{grid-template-columns:1fr}
  .matrix,.matrix-read{margin-left:0}
  .steps{grid-template-columns:1fr 1fr;gap:0 24px}
  .practice{grid-template-columns:1fr;gap:10px}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .menu-btn{display:block}
  .nav{position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:flex-start;gap:4px;background:#fff;padding:18px var(--pad) 28px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s;box-shadow:0 18px 30px rgba(43,20,70,.08)}
  .nav.open{transform:none}
  .nav a{font-size:1.1rem;padding:10px 0}
  .nav .btn{margin-top:10px}
  .menu-btn[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .menu-btn[aria-expanded="true"] i:nth-child(2){opacity:0}
  .menu-btn[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
}
@media (max-width:560px){
  body{font-size:16px}
  .steps{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .btn{width:100%;justify-content:center}
  .brand span{display:none}
}
@media (prefers-reduced-motion:reduce){
  .js .matrix.pre .cell{opacity:1;transform:none}
}