/* ==========================================================================
   tbo — Construccion Landing
   Editorial oscuro, acento único, tipografia display + body.
   Estilo tomado del sistema de diseño de referencia (12horas/borrador-editorial.html)
   ========================================================================== */

*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%}
body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,svg,video{display:block;max-width:100%}
input,button,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;padding:0}
:where(h1,h2,h3,h4,p){overflow-wrap:break-word}

svg.icon{display:inline-block;vertical-align:-0.2em;flex:none}

@font-face{
  font-family:'Constructio Grotesk';
  src:url('../fuentes/Constructio Grotesk Regular/Constructio Grotesk Regular.ttf') format('truetype');
  font-weight:400;
  font-style:normal;
  font-display:swap;
}

:root{
  --bg:#0B0B0B;
  --bg-2:#101010;
  --surface:#141414;
  --surface-2:#1A1A1A;
  --line:rgba(255,255,255,.13);
  --line-soft:rgba(255,255,255,.07);

  --fg:#F2F2F2;
  --fg-dim:#8C8C8C;
  --fg-faint:#5E5E5E;

  --accent:#FF5000;
  --accent-ink:#0B0B0B;
  --accent-soft:rgba(255,80,0,.12);

  --industrial:#FF5000;
  --industrial-soft:rgba(255,80,0,.12);
  --violet:#773FFF;
  --violet-soft:rgba(119,63,255,.14);
  --neutral:#404040;

  --danger:#FF6B5E;
  --ok:#5FD68A;

  --s-1:8px; --s-2:16px; --s-3:24px; --s-4:32px;
  --s-5:48px; --s-6:64px; --s-7:96px; --s-8:128px;

  --gutter:clamp(20px,4vw,64px);
  --maxw:1280px;

  --font-display:'Constructio Grotesk','Bebas Neue','Oswald','Arial Narrow',Haettenschweiler,Impact,sans-serif;
  --font-body:'Open Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-mono:'JetBrains Mono','IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;

  --ease:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.76,0,.24,1);
}

html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.55;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}

::selection{background:var(--accent);color:var(--accent-ink)}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:2px;
}

.skip{
  position:absolute;top:-100px;left:var(--gutter);z-index:9999;
  background:var(--accent);color:var(--accent-ink);
  padding:12px 20px;font-weight:700;
  transition:top .2s var(--ease);
}
.skip:focus{top:16px}

.container{
  width:100%;max-width:var(--maxw);
  margin-inline:auto;padding-inline:var(--gutter);
}

.section{padding-block:clamp(36px,4.5vw,64px);scroll-margin-top:76px}
.section--tight{padding-block:clamp(24px,3vw,44px);scroll-margin-top:76px}
.section--surface{background:var(--bg-2)}

h1,h2,h3,h4{color:var(--fg);line-height:1.1;margin:0 0 var(--s-3)}
p{margin:0 0 var(--s-3)}

.eyebrow{
  font-size:clamp(10px,.9vw,12px);
  font-weight:600;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--fg-dim);
  display:flex;align-items:center;gap:12px;
  margin-bottom:var(--s-2);
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--accent);flex:none}

.display{
  font-family:var(--font-display);
  font-weight:400;
  line-height:.96;
  letter-spacing:.005em;
  text-transform:uppercase;
}
.display--xl{
  font-size:clamp(2.5rem, 6.5vw, 5.5rem);
  font-family:'Constructio Grotesk', var(--font-display);
  font-weight:400;
  line-height:0.92;
}
.display--lg{font-size:clamp(2.25rem,6vw,5rem);line-height:.95}
.display--md{font-size:clamp(1.5rem,3.4vw,2.5rem);line-height:.98;letter-spacing:0}

.accent{color:var(--accent)}

/* Bebas Neue declara cobertura del bloque de macrones pero no dibuja el
   glifo de 'o' con macron: se dibuja a mano para que "tbō" se vea igual
   en cualquier fuente. */
.tbo-o{position:relative}
.tbo-o::before{
  content:"";position:absolute;left:50%;top:-.1em;
  transform:translateX(-50%);
  width:.62em;height:.085em;background:currentColor;border-radius:1px;
}

.lede{font-size:clamp(1rem,1.1vw,1.2rem);color:var(--fg-dim);max-width:56ch}

/* Revelado linea por linea de titulos */
.line{display:block;overflow:hidden;padding-top:.18em;margin-top:-.18em;padding-bottom:.12em;margin-bottom:-.12em}
.line:has(.tbo-o){padding-top:.24em;margin-top:-.24em}
.line>i{
  display:block;font-style:normal;
  transform:translateY(105%);
  transition:transform 1s var(--ease);
  transition-delay:var(--d,0ms);
}
.is-in .line>i,.line.is-in>i{transform:translateY(0)}

/* Marcas de esquina tipo plano tecnico/blueprint */
.corner-marks{position:relative}
.corner-marks::before,.corner-marks::after{
  content:"";position:absolute;width:12px;height:12px;
  border:2px solid var(--line);opacity:.6;pointer-events:none;
  transition:border-color .3s var(--ease),opacity .3s var(--ease);
}
.corner-marks::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.corner-marks::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.corner-marks:hover::before,.corner-marks:hover::after{opacity:1;border-color:var(--accent)}
.ecosystem .corner-marks:hover::before,.ecosystem .corner-marks:hover::after{border-color:var(--industrial)}
#por-que-tbo .corner-marks:hover::before,#por-que-tbo .corner-marks:hover::after{border-color:var(--violet)}

/* Franja de peligro/precaucion — divisor de seccion, motivo de obra */
.hazard-stripe{
  height:6px;
  background-image:repeating-linear-gradient(-45deg,var(--accent) 0 14px,var(--bg) 14px 28px);
}

/* Revelado generico fade+up */
.reveal{
  opacity:0;transform:translateY(28px);
  transition:opacity .8s var(--ease),transform .8s var(--ease);
  transition-delay:var(--d,0ms);
}
.reveal.is-in{opacity:1;transform:none}

/* ==========================================================================
   Botones
   ========================================================================== */
.btn{
  --btn-bg:var(--accent);
  --btn-fg:var(--accent-ink);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:14px 28px;
  background:var(--btn-bg);color:var(--btn-fg);
  font-weight:700;font-size:13px;
  letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--btn-bg);
  cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),
             border-color .22s var(--ease),transform .22s var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--fg);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--fg);background:rgba(255,255,255,.04)}
.btn--wa{--btn-bg:#25D366;--btn-fg:#062B14}
.btn-block{width:100%}
.btn[disabled]{opacity:.6;cursor:progress;transform:none}

@property --border-angle{
  syntax:'<angle>';
  inherits:false;
  initial-value:0deg;
}
.btn--glow{
  --btn-fg:var(--fg);
  position:relative;
  z-index:0;
  border-radius:999px;
  border:none;
  background:var(--bg-2);
  box-shadow:0 0 0 1px var(--line-soft),0 0 24px rgba(255,80,0,.18);
}
.btn--glow::before{
  content:'';
  position:absolute;
  inset:-2px;
  z-index:-1;
  border-radius:inherit;
  padding:2px;
  background:conic-gradient(from var(--border-angle),#E8262B,var(--accent),#FFC93C,var(--accent),#E8262B);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  animation:border-spin 3s linear infinite;
}
.btn--glow:hover{box-shadow:0 0 0 1px var(--line-soft),0 0 36px rgba(255,80,0,.32)}
@keyframes border-spin{to{--border-angle:360deg}}
@media (prefers-reduced-motion:reduce){
  .btn--glow::before{animation:none}
}

.arrow-link{
  display:inline-flex;align-items:center;gap:12px;
  font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  padding-block:8px;border-bottom:1px solid var(--line);
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.arrow-link svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.arrow-link:hover{color:var(--accent);border-color:var(--accent)}
.arrow-link:hover svg{transform:translateX(6px)}

/* Spinner de boton */
.spinner{
  width:16px;height:16px;border:2px solid currentColor;border-top-color:transparent;
  border-radius:50%;animation:spin .7s linear infinite;display:none;
}
@keyframes spin{to{transform:rotate(360deg)}}
.btn.is-loading .spinner{display:block}
.btn.is-loading .btn__label{opacity:.7}

/* ==========================================================================
   Header / navegacion
   ========================================================================== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s var(--ease),border-color .4s var(--ease),transform .5s var(--ease);
  border-bottom:1px solid transparent;
}
.header.is-stuck{
  background:rgba(11,11,11,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line-soft);
}
.header.is-hidden{transform:translateY(-100%)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--s-3);height:76px}

.brand{display:flex;align-items:center;gap:10px;cursor:pointer}
.brand__logo{height:28px;width:auto;flex:none}
.brand small{font-family:var(--font-body);font-size:10px;font-weight:600;letter-spacing:.24em;color:var(--fg-dim);align-self:center}

.nav{display:none;align-items:center;gap:var(--s-4)}
.nav a{
  font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--fg-dim);position:relative;padding-block:6px;
  transition:color .22s var(--ease);cursor:pointer;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:right;
  transition:transform .35s var(--ease);
}
.nav a:hover,.nav a:focus-visible{color:var(--fg)}
.nav a:hover::after{transform:scaleX(1);transform-origin:left}
.header__cta{display:none}
@media (min-width:1024px){.nav{display:flex}.header__cta{display:inline-flex}}

.burger{width:48px;height:48px;display:grid;place-items:center;border:1px solid var(--line);cursor:pointer}
.burger span{display:block;width:20px;height:1.5px;background:var(--fg);transition:transform .3s var(--ease),opacity .2s var(--ease)}
.burger span+span{margin-top:5px}
body.menu-open .burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media (min-width:1024px){.burger{display:none}}

.menu{
  position:fixed;inset:0;z-index:95;background:var(--bg);
  padding:calc(76px + var(--s-5)) var(--gutter) var(--gutter);
  display:flex;flex-direction:column;justify-content:space-between;
  clip-path:inset(0 0 100% 0);
  transition:clip-path .7s var(--ease-io);
  visibility:hidden;
}
body.menu-open .menu{clip-path:inset(0 0 0 0);visibility:visible}
.menu__list li{border-bottom:1px solid var(--line-soft)}
.menu__list a{
  display:flex;align-items:baseline;gap:var(--s-2);padding-block:clamp(12px,2.4vw,22px);
  font-family:var(--font-display);font-size:clamp(2rem,9vw,3.5rem);line-height:1;text-transform:uppercase;
  transition:color .25s var(--ease),padding-left .35s var(--ease);
}
.menu__list a:hover{color:var(--accent);padding-left:12px}
.menu__list .idx{font-family:var(--font-body);font-size:11px;font-weight:600;letter-spacing:.2em;color:var(--fg-faint)}
.menu__foot{display:grid;gap:var(--s-2);padding-top:var(--s-4)}

/* ==========================================================================
   Hero
   ========================================================================== */
/* ==========================================================================
   Canvas 3D Global & Fallback
   ========================================================================== */
.scene-container{
  position:fixed;inset:0;z-index:-10;pointer-events:none;overflow:hidden;
}
.scene-canvas{
  position:absolute;inset:0;width:100%;height:100%;display:block;
  opacity:0;transition:opacity 1.1s var(--ease);
}
.scene-fallback{
  position:absolute;inset:0;width:100%;height:100%;
}
.scene-fallback img{
  width:100%;height:100%;object-fit:cover;object-position:center 38%;
  opacity:.5;
}
body.has-3d .scene-canvas{opacity:1}
body.has-3d .scene-fallback{display:none}

.scene-scrim{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    linear-gradient(90deg, rgba(11,11,11,0.92) 0%, rgba(11,11,11,0.78) 35%, rgba(11,11,11,0.12) 68%, transparent 100%),
    linear-gradient(180deg, rgba(11,11,11,0.65) 0%, transparent 20%, transparent 75%, rgba(11,11,11,0.95) 100%);
}

/* Por defecto (movil) estas secciones son opacas — identico a como se
   veian antes del rediseño 3D de toda la pagina. Solo en desktop se
   vuelven transparentes para dejar ver la escena de fondo. */
#desafios,#diagnostico,.site-footer{background:transparent}

.scene-transparent{background:transparent!important;position:relative}
.scene-transparent > .container{position:relative;z-index:2}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:flex-end;
  padding-block:calc(76px + var(--s-4)) var(--s-5);
  overflow:hidden;isolation:isolate;
}
.hero__inner{position:relative;z-index:2;width:100%}
.hero__title{margin-block:var(--s-3) var(--s-4)}
.hero__subtitle{max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:var(--s-3);margin-top:var(--s-4)}

.hero__values{
  display:grid;gap:16px;
  grid-template-columns:repeat(1,1fr);margin-top:var(--s-6);
}
@media (min-width:768px){.hero__values{grid-template-columns:repeat(3,1fr)}}
.value-card{
  background:rgba(18, 18, 18, 0.62);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255, 255, 255, 0.12);
  box-shadow:0 10px 30px rgba(0,0,0,0.35);
  position:relative;overflow:hidden;
  transition:background .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
}
.value-card:hover{
  background:rgba(28, 28, 28, 0.82);
  border-color:rgba(255, 80, 0, 0.35);
  transform:translateY(-3px);
}
.value-card::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .5s var(--ease);z-index:2;
}
.value-card:hover::after{transform:scaleX(1)}
.value-media{aspect-ratio:4/3;overflow:hidden;position:relative}
.value-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .7s var(--ease);
}
.value-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(18, 18, 18, 0.88) 100%);
}
.value-card:hover .value-media img{transform:scale(1.06)}
.value-body{padding:var(--s-4)}
.value-icon{
  display:grid;place-items:center;width:44px;height:44px;
  border:1px solid var(--line);color:var(--accent);margin-bottom:var(--s-3);
}
.value-card h3{
  font-family:var(--font-display);font-weight:400;font-size:1.4rem;
  letter-spacing:.02em;text-transform:uppercase;margin-bottom:6px;
}
.value-card p{color:var(--fg-dim);font-size:.9375rem;margin:0}

.scroll-hint{
  position:absolute;bottom:var(--s-3);left:50%;transform:translateX(-50%);
  z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:9px;letter-spacing:.28em;text-transform:uppercase;color:var(--fg-faint);
}
.scroll-hint i{display:block;width:1px;height:42px;background:linear-gradient(180deg,var(--accent),transparent);animation:drop 2.2s ease-in-out infinite}
@keyframes drop{
  0%{transform:scaleY(0);transform-origin:top}
  45%{transform:scaleY(1);transform-origin:top}
  46%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}
@media (max-width:767px){.scroll-hint{display:none}}

/* ==========================================================================
   Desafios (pain points)
   ========================================================================== */
.challenge-list{
  display:grid;gap:12px;
  grid-template-columns:1fr;margin-bottom:var(--s-5);
}
@media (min-width:640px){.challenge-list{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.challenge-list{grid-template-columns:repeat(3,1fr)}}
.challenge-item{
  background:rgba(18, 18, 18, 0.58);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255, 255, 255, 0.1);
  display:flex;gap:var(--s-3);align-items:flex-start;
  padding:var(--s-3);
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
  cursor:pointer;
}
.challenge-item:hover{
  background:rgba(30, 30, 30, 0.78);
  border-color:rgba(255, 80, 0, 0.4);
  transform:translateY(-2px);
}
.challenge-check{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.challenge-icon{
  flex:none;display:grid;place-items:center;width:32px;height:32px;
  border:1px solid var(--line);color:var(--fg-faint);opacity:.5;
  transition:background .25s var(--ease),color .25s var(--ease),
             border-color .25s var(--ease),opacity .25s var(--ease);
}
.challenge-item:has(.challenge-check:checked){
  background:rgba(255, 80, 0, 0.14);
  border-color:var(--accent);
  box-shadow:0 0 20px rgba(255, 80, 0, 0.2);
}
.challenge-item:has(.challenge-check:checked) .challenge-icon{
  background:var(--accent);border-color:var(--accent);color:var(--accent-ink);opacity:1;
}
.challenge-item:has(.challenge-check:focus-visible){box-shadow:0 0 0 2px var(--accent);}
.challenge-item p{margin:0;font-weight:600;color:var(--fg)}

.challenge-callout{
  background:rgba(18, 18, 18, 0.65);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(255, 255, 255, 0.14);
  box-shadow:0 12px 36px rgba(0, 0, 0, 0.4);
  padding:var(--s-4) var(--s-5);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--s-4);
}
.challenge-callout h3{
  font-family:var(--font-display);font-weight:400;font-size:clamp(1.5rem,3vw,2.25rem);
  text-transform:uppercase;margin-bottom:6px;
}
.challenge-callout p{color:var(--fg-dim);margin:0;max-width:480px}

/* ==========================================================================
   Ecosistema — galeria horizontal (scroll vertical -> desplazamiento horizontal)
   ========================================================================== */
.ecosystem{position:relative;background:transparent}
.ecosystem__head{padding-block:16px 8px}
.ecosystem__banner{
  border:1px solid rgba(255, 255, 255, 0.14);
  background:rgba(18, 18, 18, 0.65);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:14px 22px;font-size:0.95rem;color:var(--fg-dim);
  width:100%;
  max-width:100%;
  margin-bottom:0;
}
.eco-stage{position:relative}
.eco-track-wrapper{
  width:100%;
  overflow:hidden;
  position:relative;
  cursor:grab;
}
.eco-track-wrapper.is-dragging{
  cursor:grabbing;
  user-select:none;
}
.eco-track{display:flex;gap:18px;width:max-content;padding-bottom:12px}
.eco-step{
  flex:none;width:clamp(280px,22vw,360px);
  border:1px solid rgba(255, 255, 255, 0.14);
  background:rgba(18, 18, 18, 0.65);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:0 12px 36px rgba(0,0,0,0.45);
  padding:16px;display:flex;flex-direction:column;gap:12px;
  transition:border-color .3s var(--ease),background .3s var(--ease),transform .3s var(--ease);
}
.eco-step:hover{
  background:rgba(28, 28, 28, 0.85);
  border-color:rgba(255, 80, 0, 0.4);
}
.eco-step__num{font-family:var(--font-mono);font-size:.8125rem;font-weight:600;letter-spacing:.08em;color:var(--fg-faint)}
.eco-step__num b{color:var(--industrial);font-weight:600}
.ecosystem .eyebrow::before{background:var(--industrial)}
.eco-media{
  aspect-ratio:4/3;overflow:hidden;position:relative;
  border:1px solid var(--industrial);
}
.eco-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .8s var(--ease);
}
.eco-step:hover .eco-media img{transform:scale(1.06)}
.eco-icon{
  display:grid;place-items:center;width:72px;height:72px;
  border:1px solid var(--industrial);color:var(--industrial);
}
.eco-step h3{
  font-family:var(--font-display);font-weight:400;font-size:clamp(1.2rem, 1.6vw, 1.5rem);
  text-transform:uppercase;margin:0;
  white-space:nowrap;
}
.eco-step p{color:var(--fg-dim);font-size:.875rem;margin:0;line-height:1.45}

@media (max-width:899px){
  .eco-track-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .eco-track-wrapper::-webkit-scrollbar{display:none}
  .eco-track{scroll-snap-type:x mandatory}
  .eco-step{scroll-snap-align:center;width:min(78vw,300px)}
}
@media (min-width:900px){
  .ecosystem{height:180vh}
  .eco-stage{
    position:sticky;top:80px;
    display:flex;flex-direction:column;gap:18px;
    padding-block:12px 20px;
    overflow:hidden;
  }
  .eco-stage__container{
    display:flex;flex-direction:column;gap:18px;
  }
  .ecosystem__head{
    position:relative;top:auto;left:auto;right:auto;z-index:2;
    padding-block:0;
    width:100%;
  }
  .eco-track{will-change:transform;padding-bottom:0}
  .eco-step{width:clamp(280px,22vw,360px)}
}
.eco-progress{
  position:absolute;left:var(--gutter);right:var(--gutter);bottom:16px;
  height:1px;background:var(--line);display:none;
}
.eco-progress i{display:block;height:100%;width:0;background:var(--industrial)}
@media (min-width:900px){.eco-progress{display:block}}

/* ==========================================================================
   Especialidades + confianza
   ========================================================================== */
#especialidades{background:transparent}
.specialty-grid{
  display:grid;gap:12px;
  grid-template-columns:repeat(1,1fr);margin-bottom:var(--s-5);
}
@media (min-width:640px){.specialty-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.specialty-grid{grid-template-columns:repeat(5,1fr)}}
.specialty-pill{
  background:rgba(18, 18, 18, 0.58);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255, 255, 255, 0.1);
  padding:var(--s-4) var(--s-3);text-align:center;
  transition:background .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
}
.specialty-pill:hover{
  background:rgba(30, 30, 30, 0.82);
  border-color:rgba(255, 255, 255, 0.22);
  transform:translateY(-3px);
}
.specialty-pill .value-icon{margin-inline:auto}
.specialty-pill h3{
  font-family:var(--font-display);font-weight:400;font-size:1.15rem;
  text-transform:uppercase;letter-spacing:.02em;margin:0;
}

.results-banner{
  background:var(--accent);color:var(--accent-ink);
  text-align:center;padding:var(--s-3);
  font-family:var(--font-display);font-size:1.25rem;letter-spacing:.1em;
  margin-bottom:var(--s-5);
}

.trust-bar-label{text-align:center;color:var(--fg-dim);font-size:12px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:var(--s-3)}

.marquee{display:flex;overflow:hidden;user-select:none}
.marquee__group{
  display:flex;align-items:center;gap:clamp(20px,3vw,32px);
  padding-right:clamp(20px,3vw,32px);
  flex:none;
  animation:scroll-x 28s linear infinite;
}
@keyframes scroll-x{from{transform:translateX(0)}to{transform:translateX(-100%)}}
.marquee:hover .marquee__group{animation-play-state:paused}
.partner-logo{
  flex:none;display:grid;place-items:center;
  height:64px;padding:12px 24px;
  background:#fff;border-radius:6px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.partner-logo img{max-height:30px;max-width:132px;width:auto;height:auto;object-fit:contain}
.partner-logo:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.25)}

/* ==========================================================================
   Why us
   ========================================================================== */
.why-us-grid{display:grid;gap:var(--s-6);align-items:start}
.why-list{display:grid;gap:var(--s-3);margin-bottom:var(--s-4)}
#por-que-tbo .eyebrow::before{background:var(--violet)}
.why-us-header{
  display:grid;
  gap:20px;
  margin-bottom:var(--s-4);
  align-items:end;
}
@media (min-width:900px){
  .why-us-header{
    grid-template-columns:1fr 1fr;
  }
}
.why-us-banner{
  border:1px solid rgba(255, 255, 255, 0.15);
  border-left:4px solid var(--violet);
  background:linear-gradient(135deg, rgba(25, 20, 40, 0.65) 0%, rgba(18, 18, 18, 0.75) 100%);
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  box-shadow:0 12px 32px rgba(0, 0, 0, 0.4);
  padding:16px 20px;
  position:relative;
  overflow:hidden;
}
.why-us-banner::before{
  content:"";
  position:absolute;top:-20px;right:-20px;width:120px;height:120px;
  background:radial-gradient(circle, rgba(119, 63, 255, 0.22) 0%, transparent 70%);
  pointer-events:none;
}
.why-us-banner p{
  margin:0;
  color:var(--fg-dim);
  font-size:.9375rem;
  line-height:1.5;
}

.why-grid{
  display:grid;
  gap:16px;
  grid-template-columns:1fr;
}
@media (min-width:768px){
  .why-grid{
    grid-template-columns:repeat(2, 1fr);
  }
}

.why-item{
  display:flex;gap:var(--s-3);align-items:flex-start;
  background:rgba(18, 18, 18, 0.58);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255, 255, 255, 0.1);
  border-left:3px solid var(--violet);
  padding:18px 20px;
  transition:background .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.why-item:hover{
  background:rgba(28, 28, 28, 0.82);
  border-color:rgba(119, 63, 255, 0.4);
  border-left-color:var(--accent);
  transform:translateY(-3px);
  box-shadow:0 12px 28px rgba(0,0,0,0.38);
}
.why-item .challenge-icon{
  border-color:rgba(119, 63, 255, 0.5);
  background:rgba(119, 63, 255, 0.12);
  color:var(--violet);
  opacity:1;
  transition:background .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
}
.why-item:hover .challenge-icon{
  border-color:var(--accent);
  background:var(--accent);
  color:var(--accent-ink);
}
.why-item h3{
  font-family:var(--font-display);font-weight:400;font-size:1.3rem;
  text-transform:uppercase;margin-bottom:4px;
}
.why-item p{margin:0;color:var(--fg-dim);font-size:.9rem;line-height:1.45}

.why-us-cta{
  margin-top:var(--s-4);
  display:flex;
  justify-content:flex-start;
}

/* ==========================================================================
   Formulario de diagnostico
   ========================================================================== */
.diagnostic-section{border-top:1px solid var(--line)}
.diagnostic-grid{display:grid;gap:var(--s-6);align-items:start}
.diagnostic-copy .lede{max-width:440px}
@media (min-width:1024px){.diagnostic-grid{grid-template-columns:.9fr 1.1fr}}

.form-card{
  border:1px solid rgba(255, 255, 255, 0.15);
  background:rgba(18, 18, 18, 0.7);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  box-shadow:0 20px 50px rgba(0, 0, 0, 0.5);
  padding:clamp(20px, 3.2vw, 36px);
}
.form-grid{
  display:grid;
  gap:12px 16px;
  grid-template-columns:1fr;
  margin-bottom:12px;
}
@media (min-width:600px){
  .form-grid{
    grid-template-columns:repeat(2, 1fr);
  }
  .form-row--full{
    grid-column:1 / -1;
  }
}
.form-row{margin-bottom:0}
.form-row label{
  display:block;font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--fg-dim);margin-bottom:5px;
}
.form-row .required{color:var(--accent)}
.form-row input,.form-row textarea{
  width:100%;min-height:44px;padding:10px 14px;
  background:rgba(10, 10, 10, 0.6);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid rgba(255, 255, 255, 0.12);
  color:var(--fg);
  font-size:14px;
  border-radius:4px;
  transition:border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.form-row textarea{min-height:76px;resize:vertical;line-height:1.45}
.form-row input:hover,.form-row textarea:hover{
  border-color:rgba(255,255,255,.3);
  background:rgba(15, 15, 15, 0.75);
}
.form-row input:focus,.form-row textarea:focus{
  outline:none;
  border-color:var(--accent);
  background:rgba(22, 22, 22, 0.85);
  box-shadow:0 0 0 3px var(--accent-soft);
}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--fg-faint);opacity:.75}
.form-row input[aria-invalid="true"],.form-row textarea[aria-invalid="true"]{border-color:var(--danger)}

.field-error{display:none;color:var(--danger);font-size:12px;margin-top:4px;align-items:center;gap:6px}
.field-error:not(:empty){display:flex}

.honeypot-field{position:absolute!important;left:-9999px!important;opacity:0;height:0;overflow:hidden}

.form-status{
  display:none;gap:12px;align-items:flex-start;
  margin-top:12px;padding:10px 14px;border:1px solid var(--line);
  font-size:13px;line-height:1.45;
}
.form-status.is-success{display:flex;border-color:var(--accent);background:var(--accent-soft)}
.form-status.is-error{display:flex;border-color:var(--danger);background:rgba(255,107,94,.1)}

.form__actions{
  display:grid;
  gap:10px;
  grid-template-columns:1fr;
  margin-top:16px;
}
@media (min-width:540px){
  .form__actions{
    grid-template-columns:1.2fr 1fr;
  }
}
.form__actions .btn{
  min-height:46px;
  padding:10px 16px;
  font-size:12px;
}
.form-note{font-size:11px;color:var(--fg-faint);margin:12px 0 0;line-height:1.4}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{
  border-top:1px solid rgba(255,255,255,0.12);
  padding-top:var(--s-6);
  background:transparent;
}
.footer-grid{
  display:grid;
  gap:var(--s-5);
  padding-bottom:var(--s-5);
  grid-template-columns:1fr;
}
@media (min-width:768px){
  .footer-grid{
    grid-template-columns:1.5fr 1fr 1fr;
  }
}
.footer-col--brand .brand{
  display:inline-flex;
  margin-bottom:var(--s-3);
}
.footer-desc{
  font-size:14px;
  color:var(--fg-dim);
  line-height:1.6;
  max-width:380px;
  margin:0;
}
.footer-col__title{
  font-family:var(--font-body);
  font-size:11px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--fg);
  margin-bottom:var(--s-3);
}
.footer-nav{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-nav a{
  font-size:14px;
  color:var(--fg-dim);
  transition:color .22s var(--ease), transform .22s var(--ease);
  display:inline-block;
}
.footer-nav a:hover{
  color:var(--accent);
  transform:translateX(4px);
}
.footer-contact p{
  font-size:14px;
  color:var(--fg-dim);
  margin-bottom:var(--s-3);
}
.btn--sm{
  min-height:42px;
  padding:10px 20px;
  font-size:11px;
}
.footer-closing{
  font-family:var(--font-display);
  font-size:clamp(2rem, 6.5vw, 4.5rem);
  line-height:1.08;
  letter-spacing:.01em;
  text-transform:uppercase;
  padding-block:var(--s-5) var(--s-3);
  border-top:1px solid rgba(255,255,255,0.08);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:var(--s-2) var(--s-4);
  justify-content:space-between;
  align-items:center;
  padding-block:var(--s-3);
  border-top:1px solid rgba(255,255,255,0.08);
  font-size:12px;
  color:var(--fg-faint);
}
.back-to-top{
  color:var(--fg-dim);
  font-weight:600;
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  transition:color .22s var(--ease), transform .22s var(--ease);
}
.back-to-top:hover{
  color:var(--accent);
  transform:translateY(-2px);
}

/* CTA flotante en movil */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  padding:12px var(--gutter) calc(12px + env(safe-area-inset-bottom));
  background:rgba(11,11,11,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transform:translateY(110%);transition:transform .45s var(--ease);
}
.sticky-cta::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background-image:repeating-linear-gradient(-45deg,var(--accent) 0 10px,var(--bg) 10px 20px);
}
.sticky-cta.is-in{transform:translateY(0)}
.sticky-cta .btn{min-height:48px;padding:12px 14px;font-size:11px;letter-spacing:.1em}
@media (min-width:1024px){.sticky-cta{display:none}}

/* ==========================================================================
   Movimiento reducido
   ========================================================================== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
  .reveal{opacity:1;transform:none}
  .line>i{transform:none}
  .marquee__group{animation:none}
}