/* ===========================================================
   FIVEW — Sistema de diseño "Dossier técnico editorial"
   Inteligencia Artificial con propósito
   =========================================================== */

/* ---------- Tokens ---------- */
:root{
  /* Marca */
  --ink:        #0B1D33;   /* Azul Profundo */
  --ink-deep:   #061223;   /* profundidad */
  --ink-soft:   #122842;
  --teal:       #0FA39E;   /* Teal Estratega */
  --teal-bright:#16C0BA;
  --aqua:       #7DD3CF;   /* Aqua Claro */
  --ivory:      #F5F7F4;   /* Marfil Cálido */
  --graphite:   #2B2F36;   /* Grafito */
  --paper:      #FBFCFA;

  /* Semántica sobre oscuro */
  --on-dark:        rgba(255,255,255,.92);
  --on-dark-muted:  rgba(255,255,255,.58);
  --on-dark-faint:  rgba(255,255,255,.34);
  --rule-dark:      rgba(255,255,255,.12);
  --rule-dark-soft: rgba(255,255,255,.07);

  /* Semántica sobre claro */
  --on-light:       #0B1D33;
  --on-light-muted: #55606d;
  --rule-light:     rgba(11,29,51,.14);
  --rule-light-soft:rgba(11,29,51,.07);

  /* Tipografía */
  --display: 'Sora', 'Trebuchet MS', sans-serif;
  --body:    'Inter', 'Helvetica Neue', Arial, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, 'Courier New', monospace;

  /* Métrica */
  --shell: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
  --nav-h: 76px;

  /* Curvas */
  --ease: cubic-bezier(.16,1,.3,1);
  --ease-soft: cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
}
body{
  margin:0;
  background: var(--ink);
  color: var(--on-dark);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.7;
  font-feature-settings: "kern","liga","cv11";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
button{ font:inherit; color:inherit; background:none; border:none; cursor:pointer; }
input,textarea,select{ font:inherit; color:inherit; }
::selection{ background: var(--teal); color:#fff; }

/* Grano global: textura sutil que unifica todo el sitio */
body::after{
  content:"";
  position:fixed; inset:0;
  pointer-events:none; z-index:9999;
  opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Tipografía ---------- */
h1,h2,h3,h4{
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -.035em;
  margin: 0 0 .5em;
  text-wrap: balance;
}
h1{ font-size: clamp(2.9rem, 7.2vw, 6.4rem); font-weight:800; letter-spacing:-.045em; }
h2{ font-size: clamp(2.1rem, 4.4vw, 3.9rem); }
h3{ font-size: clamp(1.25rem, 1.7vw, 1.6rem); letter-spacing:-.02em; }
h4{ font-size: 1.05rem; letter-spacing:-.01em; }
p{ margin:0 0 1.15em; }
p:last-child{ margin-bottom:0; }

.lead{
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
  line-height:1.6;
  color: var(--on-dark-muted);
  max-width: 58ch;
  text-wrap: pretty;
}
.on-paper .lead, .paper .lead{ color: var(--on-light-muted); }

/* Etiqueta monoespaciada: el "sello de dossier" del sitio */
.tag{
  font-family: var(--mono);
  font-size: .69rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--aqua);
  display:inline-flex; align-items:center; gap:.7em;
}
.tag::before{
  content:""; width:26px; height:1px; background: currentColor; opacity:.6;
}
.tag.no-rule::before{ display:none; }
.paper .tag{ color: var(--teal); }

/* Número de sección editorial */
.sec-num{
  font-family: var(--mono);
  font-size:.69rem; letter-spacing:.2em;
  color: var(--on-dark-faint);
}
.paper .sec-num{ color: rgba(11,29,51,.38); }

/* Acento teal en titulares */
.accent{ color: var(--teal-bright); }
.paper .accent{ color: var(--teal); }
.outline{
  color: transparent;
  -webkit-text-stroke: 1.5px var(--aqua);
  text-stroke: 1.5px var(--aqua);
}
.paper .outline{ -webkit-text-stroke-color: var(--teal); }

/* ---------- Layout ---------- */
.shell{
  width:100%;
  max-width: var(--shell);
  margin:0 auto;
  padding-inline: var(--gutter);
}
section{ position:relative; }
.band{ padding: clamp(72px, 10vw, 148px) 0; }
.band-sm{ padding: clamp(52px, 6vw, 90px) 0; }

/* Superficies */
.paper{
  background: var(--ivory);
  color: var(--on-light);
}
.paper h1,.paper h2,.paper h3,.paper h4{ color: var(--on-light); }
.deep{ background: var(--ink-deep); }

/* Bordes de banda */
.rule-top{ border-top:1px solid var(--rule-dark); }
.paper.rule-top{ border-top-color: var(--rule-light); }

/* Retícula de hairlines decorativa */
.gridlines{
  position:absolute; inset:0;
  pointer-events:none;
  background-image: linear-gradient(90deg, var(--rule-dark-soft) 1px, transparent 1px);
  background-size: calc(100% / 6) 100%;
  mask-image: linear-gradient(180deg, transparent, #000 18%, #000 72%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 18%, #000 72%, transparent);
}
.paper .gridlines{ background-image: linear-gradient(90deg, var(--rule-light-soft) 1px, transparent 1px); }

/* Encabezado de sección editorial */
.sec-head{
  display:grid;
  grid-template-columns: minmax(0,3fr) minmax(0,4fr);
  gap: clamp(24px, 5vw, 72px);
  align-items:end;
  padding-bottom: clamp(36px, 4vw, 60px);
  margin-bottom: clamp(40px, 5vw, 72px);
  border-bottom:1px solid var(--rule-dark);
}
.paper .sec-head{ border-bottom-color: var(--rule-light); }
.sec-head h2{ margin:.35em 0 0; }
.sec-head .lead{ margin:0; padding-bottom:.5em; }
.sec-head.single{ grid-template-columns:1fr; }

/* ---------- Botones ---------- */
.btn{
  --btn-fg:#fff;
  position:relative;
  display:inline-flex; align-items:center; gap:.75em;
  font-family: var(--display);
  font-weight:600; font-size:.94rem; letter-spacing:-.01em;
  padding: 1.05em 1.7em;
  border:1px solid transparent;
  color: var(--btn-fg);
  overflow:hidden;
  transition: color .4s var(--ease), border-color .4s var(--ease), background-color .4s var(--ease);
}
.btn span{ position:relative; z-index:1; display:inline-flex; align-items:center; gap:.7em; }
.btn svg{ width:16px; height:16px; transition: transform .45s var(--ease); }
.btn:hover svg{ transform: translateX(5px); }

/* Relleno que sube desde abajo */
.btn::before{
  content:""; position:absolute; inset:0; z-index:0;
  transform: translateY(101%);
  transition: transform .45s var(--ease);
}
.btn:hover::before{ transform: translateY(0); }

.btn-solid{ background: var(--teal); --btn-fg:#fff; }
.btn-solid::before{ background: var(--ink); }
.btn-solid:hover{ --btn-fg:#fff; }

.btn-line{ border-color: var(--rule-dark); --btn-fg: var(--on-dark); }
.btn-line::before{ background: var(--teal); }
.btn-line:hover{ border-color: var(--teal); --btn-fg:#fff; }

.paper .btn-line{ border-color: rgba(11,29,51,.22); --btn-fg: var(--ink); }
.paper .btn-line:hover{ --btn-fg:#fff; }

.btn-ghost{ padding-inline:0; --btn-fg: var(--aqua); }
.btn-ghost::before{ display:none; }
.paper .btn-ghost{ --btn-fg: var(--teal); }

/* Enlace con subrayado animado */
.link-u{
  position:relative;
  font-family: var(--display); font-weight:600; font-size:.93rem;
  display:inline-flex; align-items:center; gap:.6em;
  color: var(--aqua);
  padding-bottom:3px;
}
.paper .link-u{ color: var(--teal); }
.link-u::after{
  content:""; position:absolute; left:0; bottom:0;
  width:100%; height:1px; background: currentColor;
  transform-origin: right; transform: scaleX(0);
  transition: transform .5s var(--ease);
}
.link-u:hover::after{ transform-origin:left; transform: scaleX(1); }
.link-u svg{ width:15px; height:15px; transition: transform .45s var(--ease); }
.link-u:hover svg{ transform: translateX(4px); }

/* ---------- Header ---------- */
/* El blur vive en ::before (no en .nav) a propósito: si .nav tuviera
   backdrop-filter directamente, se convertiría en el "containing block" de
   sus descendientes position:fixed —incluido el menú móvil de pantalla
   completa— y este quedaría encajonado dentro de los 76px del header en
   vez de cubrir el viewport. Ver .nav.open .nav-links más abajo. */
.nav{
  position: sticky; top:0; z-index:1000;
  height: var(--nav-h);
  display:flex; align-items:center;
  background: rgba(11,29,51,.72);
  border-bottom:1px solid transparent;
  transition: background-color .4s var(--ease-soft), border-color .4s var(--ease-soft);
}
.nav::before{
  content:""; position:absolute; inset:0; z-index:-1;
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
}
.nav.scrolled{
  background: rgba(6,18,35,.92);
  border-bottom-color: var(--rule-dark);
}
.nav .shell{ display:flex; align-items:center; justify-content:space-between; gap:32px; }
.nav-logo img{ height:30px; width:auto; }

.nav-links{ display:flex; align-items:center; gap: clamp(6px, 1.6vw, 22px); }
.nav-links a{
  position:relative;
  font-family: var(--display); font-weight:500;
  font-size:.9rem; letter-spacing:-.01em;
  color: var(--on-dark-muted);
  padding:.5em 0;
  transition: color .35s var(--ease);
}
.nav-links a:hover, .nav-links a.on{ color:#fff; }
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:0;
  width:100%; height:1px; background: var(--teal);
  transform:scaleX(0); transform-origin:right;
  transition: transform .45s var(--ease);
}
.nav-links a:hover::after, .nav-links a.on::after{ transform:scaleX(1); transform-origin:left; }

.nav-cta{ display:flex; align-items:center; gap:16px; }

.lang-switch{
  display:flex; align-items:center; gap:7px;
  font-family: var(--mono); font-size:.72rem; letter-spacing:.08em;
}
.lang-switch a, .lang-switch span{ padding:4px 1px; }
.lang-switch a{ color: var(--on-dark-muted); transition: color .3s var(--ease); }
.lang-switch a:hover{ color:#fff; }
.lang-switch span.on{ color:#fff; font-weight:700; }
.lang-switch .sep{ color: var(--on-dark-faint); font-weight:400; }
.nav-links .btn{ padding:.78em 1.3em; font-size:.87rem; margin-left: 10px; }

.burger{
  display:none;
  width:44px; height:44px;
  border:1px solid var(--rule-dark);
  align-items:center; justify-content:center;
  flex-direction:column; gap:5px;
}
.burger i{ display:block; width:18px; height:1.5px; background:#fff; transition: transform .4s var(--ease), opacity .3s; }
.nav.open .burger i:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.nav.open .burger i:nth-child(2){ opacity:0; }
.nav.open .burger i:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding: clamp(70px, 11vw, 150px) 0 0;
  overflow:hidden;
  min-height: 100svh;
  display:flex; flex-direction:column; justify-content:center;
  background: var(--ink);
}

/* Capa 1: haces diagonales convergentes (atmósfera de fondo) */
.hero-beams{
  position:absolute; inset:0; z-index:0; pointer-events:none;
  overflow:hidden;
}
.hero-beams i{
  position:absolute;
  display:block;
  background: linear-gradient(180deg, transparent, rgba(125,211,207,.5) 55%, rgba(255,255,255,.75) 100%);
  filter: blur(2px);
  opacity:.55;
  transform-origin: bottom center;
  animation: beamDrift 22s ease-in-out infinite;
}
.hero-beams i::after{
  content:""; position:absolute; inset:-40% -300%;
  background: inherit; filter: blur(60px); opacity:.6;
}
.hero-beams .b1{ width:3px; height:135%; top:-15%; right:18%;  transform:rotate(21deg);  animation-delay:0s; }
.hero-beams .b2{ width:2px; height:120%; top:-10%; right:9%;   transform:rotate(21deg);  opacity:.32; animation-delay:-6s; }
.hero-beams .b3{ width:5px; height:150%; top:-22%; right:26%;  transform:rotate(-14deg); opacity:.4;  animation-delay:-12s; }
.hero-beams .glow{
  position:absolute; width:60vw; height:60vw; max-width:820px; max-height:820px;
  right:-14vw; top:-18vw; border-radius:50%;
  background: radial-gradient(circle, rgba(15,163,158,.30), transparent 68%);
  filter: blur(10px);
}
@keyframes beamDrift{
  0%,100%{ transform: rotate(var(--rot,21deg)) translateX(0); }
  50%{ transform: rotate(calc(var(--rot,21deg) + 1.4deg)) translateX(-10px); }
}

/* Capa 2: red de nodos (canvas), reacciona sutilmente al puntero */
.hero-net{
  position:absolute; inset:0; z-index:1; pointer-events:none;
  width:100%; height:100%;
  opacity:.75;
}

/* Capa 3: barrido de luz tipo "scan" */
.hero-scan{
  position:absolute; inset:0; z-index:1; pointer-events:none;
  background: linear-gradient(180deg, transparent 0%, rgba(15,163,158,.16) 48%, transparent 100%);
  background-size: 100% 260%;
  mix-blend-mode: screen;
  animation: scanSweep 9s ease-in-out infinite;
}
@keyframes scanSweep{
  0%   { background-position: 0 -80%; }
  50%  { background-position: 0 40%; }
  100% { background-position: 0 -80%; }
}

.hero .gridlines{ z-index:1; }

.hero-grid{
  display:grid;
  grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr);
  gap: clamp(32px, 5vw, 76px);
  align-items:center;
  position:relative;
  z-index:2;
}
.hero h1{ margin:.28em 0 .34em; }
.hero .lead{ max-width: 46ch; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top: clamp(30px, 3.6vw, 46px); }

/* Titular: reveal palabra por palabra al cargar (solo con JS activo) */
.hwrap{ display:inline-block; overflow:hidden; vertical-align:top; padding-bottom:.08em; }
.js .hword{
  display:inline-block;
  opacity:0; filter: blur(6px);
  transform: translateY(.28em);
  animation: wordIn .7s var(--ease) forwards;
  animation-delay: var(--wd, 0ms);
}
@keyframes wordIn{ to{ opacity:1; filter:blur(0); transform:none; } }

/* Indicador "scroll to explore" */
.scroll-cue{
  position:relative; z-index:2;
  display:flex; align-items:center; gap:12px;
  margin: clamp(46px,6vw,72px) 0 clamp(28px,4vw,40px);
  font-family: var(--mono); font-size:.66rem; letter-spacing:.2em; text-transform:uppercase;
  color: var(--on-dark-faint);
}
.scroll-cue .dn{
  width:30px; height:30px; border:1px solid var(--rule-dark);
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  animation: cueBounce 2.2s ease-in-out infinite;
}
.scroll-cue .dn svg{ width:13px; height:13px; transform:rotate(90deg); }
.scroll-cue:hover{ color: var(--aqua); }
.scroll-cue:hover .dn{ border-color: var(--teal); }
@keyframes cueBounce{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(5px); } }

/* ---------- Pentágono 5W (pieza signature) ---------- */
/* Panel opaco: separa el diagrama de cualquier animación/textura de fondo
   (canvas de partículas, haces) para que las etiquetas queden legibles. */
.hero-visual{
  position:relative; z-index:2;
  background: rgba(6,18,35,.62);
  border: 1px solid var(--rule-dark);
  border-radius: 20px;
  padding: clamp(22px,3vw,38px);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.penta{ width:100%; height:auto; overflow:visible; position:relative; z-index:1; }

/* Logo de cliente, sin recuadro. Los archivos vienen en blanco (pensados
   para fondo oscuro), por eso las secciones de casos son siempre oscuras
   —ver casos.php/en/cases.php, ya no alternan con fondo claro—. */
/* display:flex (no inline-flex) a propósito: al ser de nivel bloque, el logo
   siempre baja a su propia línea debajo del label .sec-num en vez de quedar
   flotando a su derecha según el largo del texto y el ancho de pantalla. */
.case-logo{
  display:flex; align-items:center;
  margin: 22px 0 0;
}
.case-logo img{ height: 46px; width:auto; display:block; }
.penta .edge{ stroke: rgba(125,211,207,.28); stroke-width:1.2; fill:none; }
.penta .web{ stroke: rgba(125,211,207,.10); stroke-width:1; fill:none; }
.penta .halo{
  fill: none; stroke: var(--teal);
  stroke-width:1.5; opacity:0;
  transition: opacity .5s var(--ease), r .5s var(--ease);
}
.penta .dot{
  fill: var(--ink); stroke: var(--aqua); stroke-width:2;
  transition: fill .45s var(--ease), stroke .45s var(--ease), r .45s var(--ease);
}
.penta .node{ cursor:pointer; }
.penta .node text{
  font-family: var(--display); font-weight:600; font-size:15px;
  fill: rgba(255,255,255,.62);
  transition: fill .4s var(--ease);
  text-anchor:middle;
}
.penta .node:hover .dot,
.penta .node.on .dot{ fill: var(--teal); stroke: var(--teal-bright); r:11; }
.penta .node:hover text,
.penta .node.on text{ fill:#fff; }
.penta .node.on .halo{ opacity:.5; }
.penta .spark{
  stroke: var(--teal-bright); stroke-width:2; fill:none;
  stroke-dasharray: 60 460; stroke-linecap:round;
  animation: trace 7s linear infinite;
  opacity:.85;
}
@keyframes trace{ to{ stroke-dashoffset:-520; } }

/* Panel que acompaña al pentágono */
.penta-panel{
  border-left:2px solid var(--teal);
  padding-left: clamp(20px, 2.4vw, 32px);
  min-height: 168px;
}
.penta-panel .k{
  font-family: var(--mono); font-size:.66rem; letter-spacing:.2em;
  color: var(--teal); text-transform:uppercase;
}
.penta-panel h3{ margin:.5em 0 .35em; font-size: clamp(1.5rem,2.4vw,2rem); }
.penta-panel p{ color: var(--on-dark-muted); font-size:1rem; max-width:46ch; }
.penta-panel > *{ animation: panelIn .55s var(--ease) both; }

@keyframes panelIn{
  from{ opacity:0; transform: translateY(10px); }
  to{ opacity:1; transform:none; }
}

/* ---------- Header de página interna ---------- */
.phead{
  position:relative;
  padding: clamp(56px, 8vw, 108px) 0 clamp(44px, 5vw, 76px);
  border-bottom:1px solid var(--rule-dark);
  overflow:hidden;
  background: radial-gradient(900px 480px at 88% -10%, rgba(15,163,158,.22), transparent 60%), var(--ink);
}
.crumbs{
  font-family: var(--mono); font-size:.68rem; letter-spacing:.16em;
  text-transform:uppercase; color: var(--on-dark-faint);
  margin-bottom: clamp(24px, 3vw, 40px);
}
.crumbs a{ color: var(--on-dark-muted); transition:color .3s; }
.crumbs a:hover{ color: var(--aqua); }
.crumbs em{ font-style:normal; color: var(--teal); }
.phead h1{ max-width: 16ch; }
.phead .lead{ margin-top: 1em; }

/* ---------- Lista numerada de servicios ---------- */
.items{ border-top:1px solid var(--rule-dark); }
.paper .items{ border-top-color: var(--rule-light); }
.item{
  display:grid;
  grid-template-columns: 84px minmax(0,1fr) minmax(0,1.1fr);
  gap: clamp(18px, 3vw, 48px);
  padding: clamp(34px, 4.4vw, 62px) 0;
  border-bottom:1px solid var(--rule-dark);
  position:relative;
  transition: padding-left .5s var(--ease);
}
.paper .item{ border-bottom-color: var(--rule-light); }
.item::before{
  content:""; position:absolute; left:0; top:-1px; height:1px; width:100%;
  background: var(--teal); transform:scaleX(0); transform-origin:left;
  transition: transform .6s var(--ease);
}
/* El hover se limita a los .item que son links: hay .item no clickeables
   (metodología, nosotros, contacto, home) que no deben prometer un clic. */
a.item:hover::before{ transform:scaleX(1); }
a.item:hover{ padding-left: 14px; }
.item .idx{
  font-family: var(--mono); font-size:.72rem; letter-spacing:.14em;
  color: var(--teal); padding-top:.55em;
}
.item h3{ margin-bottom:.5em; }
.item .k{
  font-family: var(--mono); font-size:.65rem; letter-spacing:.18em;
  text-transform:uppercase; color: var(--on-dark-faint); margin-bottom:1em; display:block;
}
.paper .item .k{ color: rgba(11,29,51,.42); }
.item p{ color: var(--on-dark-muted); }
.paper .item p{ color: var(--on-light-muted); }
.item ul{ margin-top:1.2em; display:grid; gap:.7em; }
.item ul li{
  position:relative; padding-left:1.5em;
  font-size:.94rem; color: var(--on-dark-muted);
}
.paper .item ul li{ color: var(--on-light-muted); }
.item ul li::before{
  content:""; position:absolute; left:0; top:.62em;
  width:8px; height:1px; background: var(--teal);
}

/* ---------- Tarjetas ---------- */
.cards{ display:grid; gap: 1px; background: var(--rule-dark); border:1px solid var(--rule-dark); }
.paper .cards{ background: var(--rule-light); border-color: var(--rule-light); }
.cards-3{ grid-template-columns: repeat(3,1fr); }
.cards-2{ grid-template-columns: repeat(2,1fr); }
.cards-5{ grid-template-columns: repeat(5,1fr); }

.cell{
  background: var(--ink);
  padding: clamp(26px, 3vw, 40px);
  position:relative;
  transition: background-color .5s var(--ease);
}
.paper .cell{ background: var(--ivory); }
.cell:hover{ background: var(--ink-soft); }
.paper .cell:hover{ background: #fff; }
.cell .idx{
  font-family: var(--mono); font-size:.66rem; letter-spacing:.16em;
  color: var(--teal); display:block; margin-bottom: 2.2em;
}
.cell h3{ margin-bottom:.55em; }
.cell p{ color: var(--on-dark-muted); font-size:.95rem; }
.paper .cell p{ color: var(--on-light-muted); }
.cell .link-u{ margin-top:1.4em; }

/* Icono trazo */
.ic{ width:24px; height:24px; stroke-width:1.5; color: var(--teal); }
.cell .ic{ margin-bottom:1.4em; }

/* ---------- Tabla estratégica ---------- */
.tbl-wrap{ overflow-x:auto; border:1px solid var(--rule-dark); }
.paper .tbl-wrap{ border-color: var(--rule-light); }
table.strat{ width:100%; border-collapse:collapse; min-width:780px; }
table.strat th{
  font-family: var(--mono); font-weight:500;
  font-size:.66rem; letter-spacing:.18em; text-transform:uppercase;
  color: var(--on-dark-faint);
  text-align:left; padding: 20px 26px;
  border-bottom:1px solid var(--rule-dark);
  background: rgba(255,255,255,.02);
}
.paper table.strat th{ color: rgba(11,29,51,.45); border-bottom-color: var(--rule-light); background: rgba(11,29,51,.02); }
table.strat td{
  padding: 26px; vertical-align:top;
  border-bottom:1px solid var(--rule-dark);
  font-size:.95rem; color: var(--on-dark-muted);
}
.paper table.strat td{ border-bottom-color: var(--rule-light); color: var(--on-light-muted); }
table.strat tr:last-child td{ border-bottom:none; }
table.strat tr{ transition: background-color .4s var(--ease); }
table.strat tbody tr:hover{ background: rgba(15,163,158,.05); }
table.strat td.w{
  font-family: var(--display); font-weight:700; font-size:1.3rem;
  letter-spacing:-.03em; color:#fff; white-space:nowrap;
}
.paper table.strat td.w{ color: var(--ink); }
table.strat td.w small{
  display:block; font-family: var(--mono); font-weight:400;
  font-size:.62rem; letter-spacing:.16em; text-transform:uppercase;
  color: var(--teal); margin-top:.55em;
}

/* ---------- Estadísticas ---------- */
.figs{ display:grid; grid-template-columns: repeat(3,1fr); gap:1px; background: var(--rule-dark); }
.fig{ background: var(--ink); padding: clamp(24px,3vw,38px); }
.paper .figs{ background: var(--rule-light); }
.paper .fig{ background: var(--ivory); }
.fig b{
  display:block; font-family: var(--display); font-weight:800;
  font-size: clamp(2.6rem, 5vw, 4rem); letter-spacing:-.05em;
  line-height:1; color:#fff; margin-bottom:.28em;
}
.paper .fig b{ color: var(--ink); }
.fig span{ font-size:.87rem; color: var(--on-dark-faint); display:block; max-width:24ch; }
.paper .fig span{ color: var(--on-light-muted); }

/* ---------- Tono de marca ---------- */
.tone{ display:grid; grid-template-columns: repeat(5,1fr); gap:1px; background: var(--rule-dark); border:1px solid var(--rule-dark); }
.paper .tone{ background: var(--rule-light); border-color: var(--rule-light); }
.tone-i{
  background: var(--ink); padding: clamp(24px,2.6vw,34px);
  transition: background-color .5s var(--ease);
}
.paper .tone-i{ background: var(--ivory); }
.tone-i:hover{ background: var(--ink-soft); }
.paper .tone-i:hover{ background:#fff; }
.tone-i .ic{ margin-bottom:1.6em; }
.tone-i strong{ font-family: var(--display); font-size:1.05rem; letter-spacing:-.02em; display:block; margin-bottom:.4em; }
.tone-i p{ font-size:.86rem; color: var(--on-dark-faint); }
.paper .tone-i p{ color: var(--on-light-muted); }

/* ---------- FAQ ---------- */
.faq{ border-top:1px solid var(--rule-dark); }
.paper .faq{ border-top-color: var(--rule-light); }
.qa{ border-bottom:1px solid var(--rule-dark); }
.paper .qa{ border-bottom-color: var(--rule-light); }
.qa button{
  width:100%; text-align:left;
  display:grid; grid-template-columns: 54px 1fr 32px;
  align-items:start; gap:16px;
  padding: clamp(22px,2.4vw,30px) 0;
  font-family: var(--display); font-weight:600;
  font-size: clamp(1rem,1.35vw,1.18rem); letter-spacing:-.02em;
  transition: color .4s var(--ease);
}
.qa button .qn{ font-family: var(--mono); font-size:.68rem; letter-spacing:.14em; color: var(--teal); padding-top:.45em; font-weight:400; }
.qa button:hover{ color: var(--aqua); }
.paper .qa button:hover{ color: var(--teal); }
.qa .pm{ position:relative; width:16px; height:16px; margin-top:.42em; justify-self:end; }
.qa .pm::before,.qa .pm::after{
  content:""; position:absolute; background: var(--teal);
  transition: transform .45s var(--ease), opacity .3s;
}
.qa .pm::before{ left:0; top:7.5px; width:16px; height:1.5px; }
.qa .pm::after{ left:7.5px; top:0; width:1.5px; height:16px; }
.qa.open .pm::after{ transform: rotate(90deg); opacity:0; }
.qa .ans{
  display:grid; grid-template-rows:0fr;
  transition: grid-template-rows .5s var(--ease);
}
.qa.open .ans{ grid-template-rows:1fr; }
.qa .ans > div{ overflow:hidden; }
.qa .ans p{
  padding: 0 60px 30px 70px;
  color: var(--on-dark-muted); max-width:72ch;
}
.paper .qa .ans p{ color: var(--on-light-muted); }

/* ---------- Blog ---------- */
.posts{ border-top:1px solid var(--rule-dark); }
.paper .posts{ border-top-color: var(--rule-light); }
.post{
  display:grid; grid-template-columns: 88px minmax(0,1.2fr) minmax(0,1.4fr) auto;
  gap: clamp(16px,3vw,44px); align-items:center;
  padding: clamp(28px,3.6vw,46px) 0;
  border-bottom:1px solid var(--rule-dark);
  position:relative; transition: padding-left .5s var(--ease);
}
.paper .post{ border-bottom-color: var(--rule-light); }
.post::before{
  content:""; position:absolute; left:0; top:-1px; width:100%; height:1px;
  background: var(--teal); transform:scaleX(0); transform-origin:left;
  transition: transform .6s var(--ease);
}
.post:hover::before{ transform:scaleX(1); }
.post:hover{ padding-left:14px; }
.post .idx{ font-family: var(--mono); font-size:.7rem; letter-spacing:.14em; color: var(--teal); }
.post h3{ margin:0; }
.post .ex{ color: var(--on-dark-muted); font-size:.93rem; margin:0; }
.paper .post .ex{ color: var(--on-light-muted); }
.post .meta{ font-family: var(--mono); font-size:.64rem; letter-spacing:.14em; text-transform:uppercase; color: var(--on-dark-faint); white-space:nowrap; }
.paper .post .meta{ color: rgba(11,29,51,.42); }
.post .arw{ width:22px; height:22px; color: var(--teal); transition: transform .5s var(--ease); }
.post:hover .arw{ transform: translateX(6px); }

/* ---------- Artículo ---------- */
.art{ max-width: 720px; margin:0 auto; }
.art > *{ max-width: 68ch; }
.art p{ font-size:1.09rem; line-height:1.78; color: var(--on-dark-muted); margin-bottom:1.5em; }
.paper .art p{ color: #3d4753; }
.art h2{
  font-size: clamp(1.6rem,2.6vw,2.15rem);
  margin: 2em 0 .7em; padding-top:1.1em;
  border-top:1px solid var(--rule-dark);
}
.paper .art h2{ border-top-color: var(--rule-light); }
.art h2 .hn{
  display:block; font-family: var(--mono); font-weight:400;
  font-size:.66rem; letter-spacing:.2em; color: var(--teal);
  margin-bottom:1.2em;
}
.art ul{ margin:0 0 1.6em; display:grid; gap:.85em; }
.art ul li{ position:relative; padding-left:1.7em; color: var(--on-dark-muted); }
.paper .art ul li{ color:#3d4753; }
.art ul li::before{ content:""; position:absolute; left:0; top:.72em; width:9px; height:1px; background: var(--teal); }
.art strong{ color:#fff; font-weight:600; }
.paper .art strong{ color: var(--ink); }
.art a{ color: var(--aqua); border-bottom:1px solid rgba(125,211,207,.35); transition: border-color .3s, color .3s; }
.paper .art a{ color: var(--teal); border-bottom-color: rgba(15,163,158,.4); }
.art a:hover{ border-bottom-color: currentColor; }
.art blockquote{
  margin: 2.4em 0; padding: 0 0 0 clamp(20px,3vw,34px);
  border-left:2px solid var(--teal);
  font-family: var(--display); font-weight:600;
  font-size: clamp(1.2rem,2vw,1.55rem); line-height:1.35; letter-spacing:-.025em;
  color:#fff; max-width: 24ch;
}
.paper .art blockquote{ color: var(--ink); }

.art-head{ max-width: 940px; }
.art-head h1{ font-size: clamp(2.2rem, 5vw, 4.2rem); }
.art-meta{
  display:flex; flex-wrap:wrap; gap: 28px;
  margin-top: clamp(28px,3.4vw,44px);
  padding-top: 22px; border-top:1px solid var(--rule-dark);
  font-family: var(--mono); font-size:.66rem; letter-spacing:.16em;
  text-transform:uppercase; color: var(--on-dark-faint);
}
.art-meta b{ color: var(--teal); font-weight:500; }

/* ---------- Formulario ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap: clamp(18px,2.2vw,26px); }
.f{ position:relative; }
.f.wide{ grid-column:1/-1; }
.f label{
  display:block;
  font-family: var(--mono); font-size:.65rem; letter-spacing:.18em;
  text-transform:uppercase; color: var(--on-dark-faint);
  margin-bottom:.9em;
}
.f input, .f textarea, .f select{
  width:100%;
  background: transparent;
  border:none; border-bottom:1px solid var(--rule-dark);
  padding: .85em 0;
  font-size:1.02rem; color:#fff;
  transition: border-color .4s var(--ease);
}
.f select{ color: var(--on-dark-muted); }
.f select option{ background: var(--ink); color:#fff; }
.f textarea{ resize:vertical; min-height:130px; }
.f input:focus, .f textarea:focus, .f select:focus{
  outline:none; border-bottom-color: var(--teal);
}
.f input::placeholder, .f textarea::placeholder{ color: rgba(255,255,255,.22); }
.f.err input, .f.err textarea{ border-bottom-color:#e0685f; }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

.note{ font-size:.82rem; color: var(--on-dark-faint); margin-top:1.6em; max-width:52ch; }
.msg{
  padding: 20px 24px; margin-bottom: 34px;
  border-left:2px solid; font-size:.95rem;
}
.msg-ok{ border-color: var(--teal); background: rgba(15,163,158,.08); color: var(--aqua); }
.msg-no{ border-color:#e0685f; background: rgba(224,104,95,.08); color:#f0a49e; }

/* Datos de contacto */
.cinfo{ border-top:1px solid var(--rule-dark); }
.cinfo a, .cinfo div.row{
  display:grid; grid-template-columns: 128px 1fr;
  gap:20px; align-items:baseline;
  padding: 24px 0; border-bottom:1px solid var(--rule-dark);
  transition: padding-left .45s var(--ease);
}
.cinfo a:hover{ padding-left:10px; }
.cinfo .k{ font-family: var(--mono); font-size:.65rem; letter-spacing:.18em; text-transform:uppercase; color: var(--on-dark-faint); }
.cinfo .v{ font-family: var(--display); font-weight:500; font-size:1.02rem; letter-spacing:-.01em; }
.cinfo a:hover .v{ color: var(--aqua); }

/* ---------- CTA final ---------- */
.cta{
  position:relative; overflow:hidden;
  padding: clamp(60px,8vw,120px) 0;
  background: linear-gradient(120deg, var(--ink-deep), #0d3a45 55%, var(--teal) 190%);
  border-top:1px solid var(--rule-dark);
}
.cta-in{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:40px; flex-wrap:wrap;
}
.cta h2{ max-width: 14ch; margin:.3em 0 0; }
.cta .lead{ margin-top:1em; }

/* ---------- Próximamente (casos) ---------- */
.soon{
  border:1px solid var(--rule-dark);
  padding: clamp(44px,6vw,88px) clamp(24px,4vw,64px);
  position:relative; overflow:hidden;
  background: radial-gradient(700px 340px at 80% 0%, rgba(15,163,158,.14), transparent 62%);
}
.soon h2{ max-width:18ch; }
.soon .lead{ margin: 1.2em 0 2.4em; }

/* ---------- 404 ---------- */
.e404{ padding: clamp(90px,14vw,180px) 0; text-align:center; }
.e404 .big{
  font-family: var(--display); font-weight:800;
  font-size: clamp(6rem, 20vw, 15rem); line-height:.85;
  letter-spacing:-.06em; color: transparent;
  -webkit-text-stroke: 1.5px rgba(125,211,207,.35);
  margin-bottom:.15em;
}
.e404 .lead{ margin:0 auto 2.4em; }
.e404 .hero-actions{ justify-content:center; }

/* ---------- Footer ---------- */
.foot{ background: var(--ink-deep); border-top:1px solid var(--rule-dark); padding: clamp(56px,7vw,96px) 0 32px; }
.foot-top{
  display:grid; grid-template-columns: minmax(0,1.6fr) repeat(3, minmax(0,1fr));
  gap: clamp(28px,4vw,56px);
  padding-bottom: clamp(40px,5vw,64px);
  border-bottom:1px solid var(--rule-dark);
}
.foot-brand img{ height:28px; width:auto; margin-bottom:22px; }
.foot-brand p{ font-size:.9rem; color: var(--on-dark-faint); max-width:34ch; }
.foot h4{
  font-family: var(--mono); font-weight:500;
  font-size:.64rem; letter-spacing:.2em; text-transform:uppercase;
  color: var(--teal); margin-bottom:1.8em;
}
.foot li{ margin-bottom:.95em; }
.foot li a{ font-size:.92rem; color: var(--on-dark-muted); transition: color .3s, padding-left .35s var(--ease); }
.foot li a:hover{ color:#fff; padding-left:6px; }
.foot-soc{ display:flex; gap:10px; margin-top:24px; }
.foot-soc a{
  width:38px; height:38px; border:1px solid var(--rule-dark);
  display:flex; align-items:center; justify-content:center;
  transition: border-color .4s var(--ease), background-color .4s var(--ease);
}
.foot-soc a:hover{ border-color: var(--teal); background: rgba(15,163,158,.12); }
.foot-soc svg{ width:16px; height:16px; }
.foot-btm{
  padding-top:28px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  font-family: var(--mono); font-size:.64rem; letter-spacing:.14em; text-transform:uppercase;
  color: rgba(255,255,255,.28);
}

/* ---------- Reveals ----------
   El estado oculto solo se aplica si JS está activo (.js en <html>).
   Sin JS —o si el script falla— el contenido se ve igual: la animación
   es una mejora progresiva, nunca un requisito para leer la página. */
.js .rv{
  opacity:0; transform: translateY(26px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay: var(--d, 0ms);
}
.js .rv.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  .js .rv{ opacity:1; transform:none; }
  .js .hword{ opacity:1; filter:none; transform:none; }
  .hero-beams i, .hero-scan, .scroll-cue .dn{ animation:none !important; }
  html{ scroll-behavior:auto; }
}

/* Accesibilidad */
.skip{
  position:absolute; left:-9999px; top:0; z-index:2000;
  background: var(--teal); color:#fff; padding:14px 22px;
  font-family: var(--display); font-weight:600;
}
.skip:focus{ left:0; }
:focus-visible{ outline:2px solid var(--aqua); outline-offset:3px; }

/* Utilidades */
.mt-l{ margin-top: clamp(40px,5vw,72px); }
.mt-m{ margin-top: clamp(24px,3vw,40px); }
.center{ text-align:center; }
.holder{
  font-family: var(--mono); font-size:.85em;
  color: var(--aqua); border-bottom:1px dashed rgba(125,211,207,.4);
}
/* Oculta visualmente sin quitar del DOM: mantiene la estructura de
   encabezados para lectores de pantalla y buscadores. */
.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;
}

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width: 1080px){
  .hero-grid{ grid-template-columns:1fr; gap:48px; }
  .hero-visual{ max-width:520px; }
  .cards-3, .cards-5{ grid-template-columns: repeat(2,1fr); }
  .tone{ grid-template-columns: repeat(3,1fr); }
  .item{ grid-template-columns: 60px 1fr; }
  .item > .side{ grid-column: 2; }
  .post{ grid-template-columns: 60px 1fr auto; }
  .post .ex{ display:none; }
  .foot-top{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px){
  .sec-head{ grid-template-columns:1fr; align-items:start; gap:20px; }
  .figs{ grid-template-columns:1fr; }
  .penta-panel{ min-height:auto; }
}

@media (max-width: 720px){
  body{ font-size:16px; }
  .nav-links{ display:none; }
  .burger{ display:flex; }
  .nav.open .nav-links{
    display:flex; flex-direction:column; align-items:stretch;
    position:fixed; top: var(--nav-h); left:0; right:0; bottom:0;
    background: var(--ink-deep);
    padding: 28px var(--gutter);
    gap:0; z-index:999;
    overflow-y:auto; -webkit-overflow-scrolling:touch;
  }
  .nav.open .nav-links a{
    font-size:1.5rem; font-weight:600; color:#fff;
    padding: 20px 0; border-bottom:1px solid var(--rule-dark);
    letter-spacing:-.03em;
  }
  .nav.open .nav-links a::after{ display:none; }
  .nav.open .nav-links .btn{
    align-self:flex-start; margin: 32px 0 0;
    font-size:.95rem; padding:1em 1.7em; border-bottom:none;
  }

  .cards-3, .cards-2, .cards-5, .tone{ grid-template-columns:1fr; }
  .item{ grid-template-columns:1fr; gap:14px; }
  .item .idx{ padding-top:0; }
  .post{ grid-template-columns: 1fr auto; gap:16px; }
  .post .idx{ display:none; }
  .form-grid{ grid-template-columns:1fr; }
  .qa button{ grid-template-columns: 36px 1fr 24px; gap:12px; font-size:1.02rem; }
  .qa .ans p{ padding: 0 0 26px 48px; }
  .cinfo a, .cinfo div.row{ grid-template-columns:1fr; gap:6px; }
  .cta-in{ flex-direction:column; align-items:flex-start; }
  .art h2{ margin-top:1.6em; }
}