/* ============================================================================
   INGCOTEC — sistema de diseño
   Ingeniería electromecánica · Panamá
   ----------------------------------------------------------------------------
   1. Tokens          2. Base y tipografía      3. Utilidades de layout
   4. Componentes     5. Navegación              6. Hero + diagrama unifilar
   7. Secciones       8. Formularios             9. Pie + firma
   10. Movimiento     11. Responsive
   ========================================================================== */

/* ------------------------------------------------------------ 1. tokens --- */
:root{
  /* Tinta (fondos oscuros) */
  --ink-950:#070A12;
  --ink-900:#0B1020;
  --ink-800:#121A2E;
  --ink-700:#1B2540;
  --ink-600:#2A3552;

  /* Papel (fondos claros) */
  --paper:#F4F5F7;
  --paper-2:#EAECF0;
  --white:#FFFFFF;

  /* Texto */
  --text:#0B1020;
  --muted:#4A5468;
  --muted-2:#6B7486;
  --text-inv:#F4F5F7;
  --muted-inv:rgba(244,245,247,.68);
  --muted-inv-2:rgba(244,245,247,.48);

  /* Ámbar eléctrico — el único acento de marca */
  --amp:#FFB020;
  --amp-2:#FFC94D;
  --amp-deep:#8F5400;          /* ámbar para texto sobre claro (5.5:1 sobre papel) */
  --amp-glow:rgba(255,176,32,.22);

  /* Líneas */
  --line:rgba(11,16,32,.12);
  --line-strong:rgba(11,16,32,.22);
  --line-inv:rgba(244,245,247,.12);
  --line-inv-strong:rgba(244,245,247,.24);

  /* Tipografía */
  --font-display:'Archivo',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-body:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;

  /* Escala fluida */
  --step--1:clamp(.84rem,.8rem + .2vw,.9rem);
  --step-0:clamp(1rem,.95rem + .25vw,1.0625rem);
  --step-1:clamp(1.15rem,1.05rem + .5vw,1.35rem);
  --step-2:clamp(1.45rem,1.25rem + 1vw,1.9rem);
  --step-3:clamp(1.9rem,1.5rem + 1.9vw,2.7rem);
  --step-4:clamp(2.4rem,1.8rem + 3vw,4rem);
  --step-5:clamp(2.7rem,1.9rem + 4.6vw,5.4rem);

  /* Espaciado */
  --s-1:.25rem; --s-2:.5rem; --s-3:.75rem; --s-4:1rem; --s-5:1.5rem;
  --s-6:2rem; --s-7:3rem; --s-8:4rem; --s-9:6rem; --s-10:8rem;
  --section:clamp(4.5rem,5rem + 4vw,8.5rem);

  /* Radio — contenido, industrial */
  --r-sm:6px; --r-md:10px; --r-lg:16px; --r-pill:999px;

  /* Contenedor */
  --wrap:1200px;
  --gutter:clamp(1.25rem,4vw,3rem);

  /* Movimiento */
  --e-out:cubic-bezier(.22,1,.36,1);
  --e-in-out:cubic-bezier(.65,0,.35,1);
  --t-fast:180ms; --t-med:320ms; --t-slow:640ms;

  /* Capas */
  --z-nav:50; --z-drawer:60; --z-toast:70;

  color-scheme:light;
}

/* ------------------------------------------------------------- 2. base ---- */
@font-face{
  font-family:'Archivo';
  font-style:normal;font-weight:100 900;font-stretch:62% 125%;font-display:swap;
  src:url('../fonts/archivo-normal.woff2') format('woff2');
}
@font-face{
  font-family:'Archivo';
  font-style:italic;font-weight:100 900;font-stretch:62% 125%;font-display:swap;
  src:url('../fonts/archivo-italic.woff2') format('woff2');
}
@font-face{
  font-family:'Inter';
  font-style:normal;font-weight:100 900;font-display:swap;
  src:url('../fonts/inter-normal.woff2') format('woff2');
}
@font-face{
  font-family:'Inter';
  font-style:italic;font-weight:100 900;font-display:swap;
  src:url('../fonts/inter-italic.woff2') format('woff2');
}

*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:5.5rem;
}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:var(--step-0);
  line-height:1.65;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:clip;
}
img,svg,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.18em}
a:hover{text-decoration-color:var(--amp)}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
ul[role="list"],ol[role="list"]{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.05;
  letter-spacing:-.022em;
  margin:0;
  text-wrap:balance;
}
h1{font-size:var(--step-5);letter-spacing:-.03em}
h2{font-size:var(--step-4)}
h3{font-size:var(--step-2);letter-spacing:-.015em;line-height:1.15}
h4{font-size:var(--step-1);line-height:1.25;letter-spacing:-.01em}
p{margin:0}
p + p{margin-top:1em}
strong{font-weight:600}
:focus-visible{outline:2px solid var(--amp);outline-offset:3px;border-radius:2px}
::selection{background:var(--amp);color:var(--ink-900)}

.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{
  position:fixed;left:1rem;top:-4rem;z-index:100;
  background:var(--amp);color:var(--ink-900);font-weight:600;
  padding:.65rem 1rem;border-radius:var(--r-sm);transition:top var(--t-fast) var(--e-out);
}
.skip:focus{top:1rem}

/* ---------------------------------------------------------- 3. layout ---- */
.wrap{width:min(100% - 2*var(--gutter),var(--wrap));margin-inline:auto}
.wrap--narrow{width:min(100% - 2*var(--gutter),860px);margin-inline:auto}
.section{padding-block:var(--section)}
.section--tight{padding-block:calc(var(--section) * .6)}
.on-dark{background:var(--ink-900);color:var(--text-inv)}
.on-dark .muted{color:var(--muted-inv)}
.on-paper-2{background:var(--paper-2)}
.on-white{background:var(--white)}
.muted{color:var(--muted)}
.grid{display:grid;gap:var(--s-6)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.cluster{display:flex;flex-wrap:wrap;gap:var(--s-3);align-items:center}
.stack > * + *{margin-top:var(--s-5)}
.measure{max-width:62ch}
.center{text-align:center;margin-inline:auto}

/* Cabecera de sección */
.sec-head{display:grid;gap:var(--s-4);max-width:56rem;margin-bottom:clamp(2.5rem,4vw,4rem)}
.sec-head--split{
  max-width:none;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  align-items:end;gap:var(--s-7);
}
.sec-head p{font-size:var(--step-1);line-height:1.5;color:var(--muted);max-width:52ch}
.on-dark .sec-head p{color:var(--muted-inv)}

/* Eyebrow técnico */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-display);font-weight:600;font-stretch:112%;
  font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--amp-deep);
}
.eyebrow::before{
  content:"";width:1.6rem;height:2px;background:var(--amp);border-radius:2px;flex:none;
}
.on-dark .eyebrow{color:var(--amp)}
.eyebrow--plain::before{display:none}

/* Etiqueta tipo plano técnico */
.tag{
  display:inline-flex;align-items:center;gap:.4rem;
  font-family:var(--font-display);font-weight:600;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.38rem .7rem;border:1px solid var(--line-strong);border-radius:var(--r-sm);
  color:var(--muted);background:transparent;white-space:nowrap;
}
.on-dark .tag{border-color:var(--line-inv-strong);color:var(--muted-inv)}
.tag--amp{border-color:transparent;background:var(--amp);color:var(--ink-900)}

/* ------------------------------------------------------ 4. componentes ---- */
.btn{
  --btn-bg:var(--ink-900);--btn-fg:var(--text-inv);--btn-bd:transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  min-height:3rem;padding:.8rem 1.35rem;
  font-family:var(--font-display);font-weight:600;font-size:.95rem;letter-spacing:.01em;
  color:var(--btn-fg);background:var(--btn-bg);border:1px solid var(--btn-bd);
  border-radius:var(--r-md);text-decoration:none;cursor:pointer;white-space:nowrap;
  position:relative;overflow:hidden;isolation:isolate;
  transition:background-color var(--t-fast) var(--e-out),color var(--t-fast) var(--e-out),
             border-color var(--t-fast) var(--e-out),box-shadow var(--t-med) var(--e-out),
             transform var(--t-fast) var(--e-out);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn__ico{width:1.1rem;height:1.1rem;flex:none;transition:transform var(--t-fast) var(--e-out)}
.btn:hover .btn__ico{transform:translateX(3px)}
.btn--amp{--btn-bg:var(--amp);--btn-fg:var(--ink-900);box-shadow:0 0 0 0 var(--amp-glow)}
.btn--amp:hover{--btn-bg:var(--amp-2);box-shadow:0 10px 30px -10px rgba(255,176,32,.55)}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--text);--btn-bd:var(--line-strong)}
.btn--ghost:hover{--btn-bd:var(--text);background:rgba(11,16,32,.04)}
.on-dark .btn--ghost{--btn-fg:var(--text-inv);--btn-bd:var(--line-inv-strong)}
.on-dark .btn--ghost:hover{--btn-bd:var(--text-inv);background:rgba(255,255,255,.06)}
.btn--wa{--btn-bg:#1FA855;--btn-fg:#fff}
.btn--wa:hover{--btn-bg:#22B95E}
.btn--lg{min-height:3.4rem;padding:1rem 1.7rem;font-size:1.02rem}
.btn[disabled],.btn[aria-busy="true"]{opacity:.7;pointer-events:none}

/* Enlace con flecha */
.link{
  display:inline-flex;align-items:center;gap:.45rem;
  font-family:var(--font-display);font-weight:600;font-size:.95rem;
  text-decoration:none;color:inherit;
}
.link svg{width:1rem;height:1rem;transition:transform var(--t-fast) var(--e-out)}
.link:hover svg{transform:translateX(3px)}
.link:hover{color:var(--amp-deep)}
.on-dark .link:hover{color:var(--amp)}

/* Tarjeta base */
.card{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(1.4rem,2.2vw,2rem);
  transition:border-color var(--t-med) var(--e-out),box-shadow var(--t-med) var(--e-out),transform var(--t-med) var(--e-out);
}
.card--link{cursor:pointer;text-decoration:none;color:inherit;display:block}
.card--link:hover{border-color:rgba(11,16,32,.3);box-shadow:0 24px 48px -28px rgba(11,16,32,.35);transform:translateY(-3px)}
.on-dark .card{background:var(--ink-800);border-color:var(--line-inv)}
.on-dark .card--link:hover{border-color:var(--line-inv-strong);box-shadow:0 24px 48px -24px rgba(0,0,0,.6)}

/* Icono de servicio (trazo, 24×24) */
.ico{
  width:2.9rem;height:2.9rem;flex:none;
  display:grid;place-items:center;
  border-radius:var(--r-md);
  background:var(--ink-900);color:var(--amp);
}
.ico svg{width:1.4rem;height:1.4rem}
.on-dark .ico{background:rgba(255,176,32,.12);color:var(--amp)}

/* Lista con marcas */
.checks{display:grid;gap:.6rem;margin:0;padding:0;list-style:none}
.checks li{display:flex;gap:.7rem;align-items:flex-start;line-height:1.5}
.checks li::before{
  content:"";flex:none;width:1.15rem;height:1.15rem;margin-top:.2rem;border-radius:3px;
  background:var(--ink-900) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23FFB020' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/68% no-repeat;
}
.on-dark .checks li::before{background-color:rgba(255,176,32,.14)}

/* Ficha técnica (dato grande + etiqueta) */
.spec{display:grid;gap:.3rem;padding:1.25rem 0;border-top:1px solid var(--line)}
.on-dark .spec{border-top-color:var(--line-inv)}
.spec__v{
  font-family:var(--font-display);font-weight:800;font-stretch:105%;
  font-size:var(--step-3);line-height:1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.specs--num .spec__v{white-space:nowrap}
.spec--text .spec__v{font-size:var(--step-2);letter-spacing:-.015em;line-height:1.1}
.spec__v small{font-size:.45em;font-weight:600;letter-spacing:.04em;color:var(--amp-deep);margin-left:.15em;vertical-align:.5em;font-stretch:112%}
.on-dark .spec__v small{color:var(--amp)}
.spec__l{font-size:var(--step--1);color:var(--muted);letter-spacing:.02em}
.on-dark .spec__l{color:var(--muted-inv)}

/* Barra de "ficha" (chips de capacidades) */
.ribbon{
  display:flex;flex-wrap:wrap;gap:.5rem .9rem;align-items:center;
  font-family:var(--font-display);font-weight:600;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted-inv)
}
.ribbon li{display:inline-flex;align-items:center;gap:.9rem}
.ribbon li + li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--amp);opacity:.8}

/* Divisor con etiqueta de plano */
.rule{display:flex;align-items:center;gap:1rem;color:var(--muted);font-family:var(--font-display);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}
.rule::before,.rule::after{content:"";flex:1;height:1px;background:var(--line)}
.on-dark .rule::before,.on-dark .rule::after{background:var(--line-inv)}

/* Marquesina */
.marquee{overflow:hidden;mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:flex;gap:3rem;width:max-content;animation:marquee 46s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__item{
  display:inline-flex;align-items:center;gap:.9rem;white-space:nowrap;
  font-family:var(--font-display);font-weight:700;font-stretch:110%;font-size:1.05rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted-inv);
}
.marquee__item::before{content:"";width:6px;height:6px;background:var(--amp);transform:rotate(45deg)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* Rejilla de plano (fondo) */
.blueprint{
  position:relative;isolation:isolate;
}
.blueprint::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask:radial-gradient(120% 90% at 70% 10%,#000 30%,transparent 75%);
}
.blueprint::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(60% 50% at 80% 20%,rgba(255,176,32,.14),transparent 70%);
}

/* --------------------------------------------------------- 5. navegación -- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:var(--z-nav);
  padding-top:max(.75rem,env(safe-area-inset-top));
  pointer-events:none;
}
.nav__bar{
  pointer-events:auto;
  width:min(100% - 2*var(--gutter),var(--wrap));margin-inline:auto;
  display:flex;align-items:center;gap:1.2rem;
  min-height:4rem;padding:.55rem .9rem .55rem 1rem;
  border-radius:var(--r-lg);
  border:1px solid transparent;
  transition:background-color var(--t-med) var(--e-out),border-color var(--t-med) var(--e-out),
             box-shadow var(--t-med) var(--e-out),backdrop-filter var(--t-med) var(--e-out);
}
.nav.is-stuck .nav__bar{
  background:rgba(11,16,32,.78);
  border-color:rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  box-shadow:0 20px 40px -24px rgba(0,0,0,.6);
}
.nav.on-paper:not(.is-stuck) .nav__bar{color:var(--text)}
.nav.on-paper.is-stuck .nav__bar{background:rgba(244,245,247,.82);border-color:var(--line);color:var(--text)}

.brand{display:inline-flex;align-items:center;gap:.7rem;text-decoration:none;color:inherit;margin-right:auto}
.brand__mark{width:2.1rem;height:2.1rem;flex:none}
.brand__name{
  font-family:var(--font-display);font-weight:800;font-stretch:112%;
  font-size:1.12rem;letter-spacing:.09em;line-height:1;
}
.brand__sub{display:block;font-family:var(--font-display);font-weight:500;font-size:.58rem;letter-spacing:.2em;text-transform:uppercase;opacity:.65;margin-top:.28rem}

.nav__links{display:flex;align-items:center;gap:.25rem;margin:0;padding:0;list-style:none}
.nav__link{
  display:inline-flex;align-items:center;min-height:2.6rem;padding:.4rem .85rem;
  font-family:var(--font-display);font-weight:600;font-size:.92rem;letter-spacing:.01em;
  text-decoration:none;color:inherit;opacity:.82;border-radius:var(--r-sm);
  position:relative;transition:opacity var(--t-fast) var(--e-out),background-color var(--t-fast) var(--e-out);
}
.nav__link:hover{opacity:1;background:rgba(255,255,255,.07)}
.nav.on-paper .nav__link:hover{background:rgba(11,16,32,.05)}
.nav__link.is-active{opacity:1}
.nav__link.is-active::after{
  content:"";position:absolute;left:.85rem;right:.85rem;bottom:.35rem;height:2px;background:var(--amp);border-radius:2px;
}
.nav__cta{min-height:2.7rem;padding:.55rem 1.05rem;font-size:.9rem}

.lambda-mark--nav{
  display:inline-flex;align-items:center;gap:.42rem;flex:none;
  color:#98A2B0;text-decoration:none;
  padding-left:clamp(.6rem,1vw,1rem);margin-left:.2rem;
  border-left:1px solid rgba(255,255,255,.14);
}
.lambda-mark--nav svg{width:14px;height:14px;opacity:.85;overflow:visible}
.lambda-mark--nav span{font-size:10.5px;letter-spacing:.03em;white-space:nowrap}
.nav.on-paper .lambda-mark--nav{border-left-color:var(--line)}

.burger{
  display:none;width:2.75rem;height:2.75rem;border-radius:var(--r-sm);
  place-items:center;color:inherit;
}
.burger svg{width:1.5rem;height:1.5rem}
.burger:hover{background:rgba(255,255,255,.08)}

/* Cajón móvil */
.drawer{
  position:fixed;inset:0;z-index:var(--z-drawer);
  background:var(--ink-900);color:var(--text-inv);
  display:flex;flex-direction:column;
  padding:calc(1rem + env(safe-area-inset-top)) var(--gutter) calc(1.5rem + env(safe-area-inset-bottom));
  transform:translateY(-8px);opacity:0;visibility:hidden;
  transition:opacity var(--t-med) var(--e-out),transform var(--t-med) var(--e-out),visibility 0s linear var(--t-med);
}
.drawer.is-open{transform:none;opacity:1;visibility:visible;transition-delay:0s}
.drawer__head{display:flex;align-items:center;justify-content:space-between;min-height:4rem}
.drawer__close{width:2.75rem;height:2.75rem;display:grid;place-items:center;border-radius:var(--r-sm)}
.drawer__close svg{width:1.4rem;height:1.4rem}
.drawer__list{display:grid;gap:.25rem;margin:2rem 0 auto;padding:0;list-style:none}
.drawer__list-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem .25rem;border-bottom:1px solid var(--line-inv);
  font-family:var(--font-display);font-weight:700;font-size:var(--step-2);letter-spacing:-.01em;
  text-decoration:none;color:inherit;
}
.drawer__list-link.is-active{color:var(--amp)}
.drawer__list-link svg{width:1.2rem;height:1.2rem;opacity:.5}
.drawer__foot{display:grid;gap:1rem}
.drawer__foot .btn{width:100%}

/* --------------------------------------------------------------- 6. hero -- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--text-inv);
  padding-top:calc(6.5rem + env(safe-area-inset-top));
  padding-bottom:clamp(3rem,5vw,5rem);
  min-height:min(100svh,920px);
  display:flex;flex-direction:column;justify-content:center;
}
.hero__grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(2rem,5vw,5rem);align-items:center;
}
.hero__copy{display:grid;gap:1.6rem;max-width:42rem}
.hero h1{margin-top:.2rem;font-size:clamp(2.5rem,1.5rem + 3.9vw,4.5rem)}
.hero h1 .w{display:inline-block}
.hero h1 em{font-style:normal;color:var(--amp)}
.hero__lead{font-size:var(--step-1);line-height:1.55;color:var(--muted-inv);max-width:34rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:.4rem}
.hero__ribbon{
  margin-top:clamp(2.5rem,5vw,4.5rem);padding-top:1.4rem;border-top:1px solid var(--line-inv);
}

/* Diagrama unifilar animado */
.hero__art{position:relative;aspect-ratio:1/1;max-width:560px;justify-self:end;width:100%}
.unifilar{width:100%;height:100%;overflow:visible}
.unifilar .ln{fill:none;stroke:rgba(244,245,247,.42);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.unifilar .ln--thin{stroke-width:1;stroke:rgba(244,245,247,.26)}
.unifilar .flow{
  fill:none;stroke:var(--amp);stroke-width:2;stroke-linecap:round;
  stroke-dasharray:6 22;
  animation:flow 2.6s linear infinite;
  filter:drop-shadow(0 0 6px rgba(255,176,32,.7));
}
.unifilar .flow--slow{animation-duration:4s;stroke-dasharray:4 30}
.unifilar .node{fill:var(--ink-900);stroke:rgba(244,245,247,.7);stroke-width:1.5}
.unifilar .node--amp{fill:var(--amp);stroke:none;animation:pulse 2.6s ease-in-out infinite}
.unifilar .lbl{
  font-family:var(--font-display);font-weight:600;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;
  fill:rgba(244,245,247,.55);
}
.unifilar .lbl--amp{fill:var(--amp)}
.unifilar .box{fill:rgba(244,245,247,.03);stroke:rgba(244,245,247,.4);stroke-width:1.5}
.unifilar .frame{fill:none;stroke:rgba(244,245,247,.14);stroke-width:1;stroke-dasharray:3 5}
@keyframes flow{to{stroke-dashoffset:-56}}
@keyframes pulse{0%,100%{opacity:.75}50%{opacity:1}}
.hero__art::after{
  content:"";position:absolute;inset:-10%;z-index:-1;pointer-events:none;
  background:radial-gradient(50% 50% at 55% 45%,rgba(255,176,32,.16),transparent 70%);
}

/* Cabecera de página interior */
.page-head{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--text-inv);
  padding-top:calc(8rem + env(safe-area-inset-top));padding-bottom:clamp(3rem,6vw,5rem);
}
.page-head__grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:var(--s-7);align-items:end}
.page-head h1{font-size:var(--step-4);max-width:16ch}
.page-head p{font-size:var(--step-1);line-height:1.5;color:var(--muted-inv);max-width:46ch}
.crumbs{display:flex;gap:.6rem;align-items:center;font-family:var(--font-display);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-inv-2);margin-bottom:1.4rem}
.crumbs a{text-decoration:none;color:inherit}
.crumbs a:hover{color:var(--amp)}
.crumbs svg{width:.8rem;height:.8rem;opacity:.6}

/* --------------------------------------------------------- 7. secciones -- */

/* Servicios: composición asimétrica (bento) */
.bento{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--s-4)}
.bento > .card{grid-column:span 2;display:flex;flex-direction:column;gap:1rem;min-height:15rem}
.bento > .card--wide{grid-column:span 4}
.bento > .card--tall{grid-row:span 2}
.svc__head{display:flex;align-items:center;gap:1rem}
.svc__n{
  font-family:var(--font-display);font-weight:600;font-stretch:112%;font-size:.72rem;letter-spacing:.14em;
  color:var(--muted-2);margin-left:auto;
}
.svc p{color:var(--muted);line-height:1.6}
.on-dark .svc p{color:var(--muted-inv)}
.svc .link{margin-top:auto}
.svc__list{display:flex;flex-wrap:wrap;gap:.4rem;margin:.2rem 0 0;padding:0;list-style:none}
.svc__list li{font-size:.8rem;padding:.28rem .6rem;border-radius:var(--r-sm);background:var(--paper-2);color:var(--muted)}
.on-dark .svc__list li{background:rgba(255,255,255,.06);color:var(--muted-inv)}
.card--feature{
  background:var(--ink-900);color:var(--text-inv);border-color:transparent;
  background-image:
    radial-gradient(70% 60% at 100% 0%,rgba(255,176,32,.18),transparent 70%),
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:auto,40px 40px,40px 40px;
}
.card--feature .svc p,.card--feature .svc__list li{color:var(--muted-inv)}
.card--feature .svc__list li{background:rgba(255,255,255,.07)}
.card--feature .ico{background:var(--amp);color:var(--ink-900)}
.card--feature.card--link:hover{border-color:rgba(255,176,32,.5)}

.bento > .card--half{grid-column:span 3}
.card--invite{
  display:flex;flex-direction:column;justify-content:space-between;gap:1.2rem;
  background:var(--paper-2);border-style:dashed;border-color:var(--line-strong);
}
.card--invite h3{font-size:var(--step-2)}
.card--invite p{color:var(--muted)}

/* Proceso — línea de tiempo horizontal */
.process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--s-5);position:relative;counter-reset:step}
.process::before{
  content:"";position:absolute;left:0;right:0;top:1.35rem;height:1px;
  background:linear-gradient(90deg,var(--line-inv-strong),var(--line-inv-strong) 80%,transparent);
}
.step{display:grid;gap:.9rem;padding-top:.2rem;position:relative}
.step__n{
  width:2.4rem;height:2.4rem;border-radius:50%;display:grid;place-items:center;
  background:var(--ink-900);border:1px solid var(--line-inv-strong);
  font-family:var(--font-display);font-weight:700;font-size:.8rem;letter-spacing:.06em;
  color:var(--amp);position:relative;z-index:1;
}
.step.is-on .step__n{background:var(--amp);color:var(--ink-900);border-color:var(--amp);box-shadow:0 0 0 6px rgba(255,176,32,.14)}
.step h3{font-size:var(--step-1);line-height:1.2}
.step p{color:var(--muted-inv);font-size:var(--step--1);line-height:1.6}
.step__out{
  font-family:var(--font-display);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--amp);opacity:.9;
}

/* Sectores — lista con imagen abstracta */
.sectors{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--s-4)}
.sector{
  display:grid;gap:.9rem;padding:1.5rem 1.35rem 1.4rem;min-height:14rem;
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--white);
  transition:border-color var(--t-med) var(--e-out),transform var(--t-med) var(--e-out),box-shadow var(--t-med) var(--e-out);
}
.sector:hover{transform:translateY(-3px);border-color:rgba(11,16,32,.3);box-shadow:0 24px 48px -30px rgba(11,16,32,.4)}
.sector .ico{background:var(--paper-2);color:var(--ink-900)}
.sector h3{font-size:var(--step-1);line-height:1.2}
.sector p{font-size:var(--step--1);color:var(--muted);line-height:1.55}

/* Pilares "por qué" */
.pillars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--white)}
.pillar{padding:clamp(1.5rem,3vw,2.5rem);display:grid;gap:.9rem;align-content:start;border-bottom:1px solid var(--line)}
.pillar:nth-child(odd){border-right:1px solid var(--line)}
.pillar:nth-last-child(-n+2){border-bottom:0}
.pillar h3{font-size:var(--step-1);line-height:1.2}
.pillar p{color:var(--muted);line-height:1.6}
.pillar__k{
  font-family:var(--font-display);font-weight:800;font-stretch:112%;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amp-deep);
}

/* Bloque de declaración */
.statement{
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:var(--s-7);align-items:center;
}
.statement h2{font-size:var(--step-4);max-width:18ch}
.statement h2 em{font-style:normal;color:var(--amp)}
.statement p{color:var(--muted-inv);font-size:var(--step-1);line-height:1.55;max-width:44ch}
.specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 var(--s-6)}

/* CTA final */
.cta{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--text-inv);
  border-radius:var(--r-lg);
  padding:clamp(2.5rem,5vw,4.5rem);
  display:grid;grid-template-columns:minmax(0,1.3fr) auto;gap:var(--s-7);align-items:center;
  isolation:isolate;
}
.cta::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(60% 80% at 90% 50%,rgba(255,176,32,.2),transparent 70%),
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:auto,48px 48px,48px 48px;
}
.cta h2{font-size:var(--step-3);max-width:20ch}
.cta p{color:var(--muted-inv);max-width:48ch;margin-top:.8rem}
.cta__actions{display:grid;gap:.7rem;min-width:16rem}
.cta__actions .btn{width:100%}

/* Servicios — detalle (página) */
.svc-nav{
  position:sticky;top:5.9rem;z-index:5;
  display:flex;gap:.3rem;overflow-x:auto;padding:.4rem;margin-bottom:var(--s-7);
  background:rgba(244,245,247,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:var(--r-md);
  scrollbar-width:none;
}
.svc-nav::-webkit-scrollbar{display:none}
.svc-nav a{
  flex:none;padding:.5rem .85rem;border-radius:var(--r-sm);
  font-family:var(--font-display);font-weight:600;font-size:.85rem;text-decoration:none;color:var(--muted);
  transition:background-color var(--t-fast) var(--e-out),color var(--t-fast) var(--e-out);
}
.svc-nav a:hover{background:rgba(11,16,32,.06);color:var(--text)}
.svc-nav a.is-active{background:var(--ink-900);color:var(--text-inv)}
.svc-detail{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,5rem);
  padding-block:clamp(2.5rem,5vw,4.5rem);border-top:1px solid var(--line);
  scroll-margin-top:8rem;
}
.svc-detail:last-of-type{border-bottom:1px solid var(--line)}
.svc-detail__head{display:grid;gap:1.1rem;align-content:start;position:sticky;top:9.5rem;align-self:start}
.svc-detail__head .btn{justify-self:start}
.svc-detail__head h2{font-size:var(--step-3)}
.svc-detail__head p{color:var(--muted);font-size:var(--step-1);line-height:1.55}
.svc-detail__body{display:grid;gap:1.8rem}
.svc-detail__body h3{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--muted);margin-bottom:.9rem}
.svc-detail .checks{grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem 1.5rem}
.deliv{display:grid;gap:.5rem;padding:1.25rem 1.4rem;border-radius:var(--r-md);background:var(--white);border:1px solid var(--line)}
.deliv li{display:flex;gap:.7rem;align-items:baseline;font-size:var(--step--1);color:var(--muted)}
.deliv li::before{content:"";width:.5rem;height:2px;background:var(--amp);flex:none;transform:translateY(-.25em)}

/* Nosotros */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,5rem);align-items:start}
.about .prose{max-width:52ch}
.prose{font-size:var(--step-0);line-height:1.75}
.prose > * + *{margin-top:1.25em}
.prose h2{font-size:var(--step-2);margin-top:2em}
.prose h2:first-child{margin-top:0}
.values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s-4)}
.value{display:grid;gap:.7rem;padding:1.5rem;border-radius:var(--r-lg);background:var(--ink-800);border:1px solid var(--line-inv)}
.value h3{font-size:var(--step-1);line-height:1.2}
.value p{color:var(--muted-inv);font-size:var(--step--1);line-height:1.6}
.value__k{font-family:var(--font-display);font-weight:700;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amp)}
.safety{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--s-6);align-items:center;
  padding:clamp(1.6rem,3vw,2.5rem);border-radius:var(--r-lg);
  background:var(--white);border:1px solid var(--line);border-left:4px solid var(--amp);
}
.safety__ico{width:4rem;height:4rem;display:grid;place-items:center;border-radius:var(--r-md);background:var(--ink-900);color:var(--amp)}
.safety__ico svg{width:2rem;height:2rem}
.safety h3{font-size:var(--step-2)}
.safety p{color:var(--muted);margin-top:.5rem;max-width:60ch}

/* Contacto */
.contact{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(2rem,5vw,5rem);align-items:start}
.contact__aside{display:grid;gap:var(--s-5);position:sticky;top:7rem}
.channel{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:1rem;align-items:start;
  padding:1.2rem 1.3rem;border-radius:var(--r-md);background:var(--white);border:1px solid var(--line);
  text-decoration:none;color:inherit;
  transition:border-color var(--t-med) var(--e-out),transform var(--t-med) var(--e-out);
}
a.channel:hover{border-color:rgba(11,16,32,.3);transform:translateY(-2px)}
.channel .ico{width:2.6rem;height:2.6rem;background:var(--paper-2);color:var(--ink-900)}
.channel h3{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--muted-2)}
.channel p{font-family:var(--font-display);font-weight:600;font-size:1.02rem;margin-top:.25rem;overflow-wrap:anywhere}
.channel small{display:block;color:var(--muted);font-size:var(--step--1);margin-top:.2rem}
.mailboxes{display:grid;gap:.25rem}
.mailboxes a{
  display:flex;justify-content:space-between;gap:1rem;align-items:baseline;
  padding:.75rem .25rem;border-bottom:1px solid var(--line);text-decoration:none;color:inherit;
  font-size:var(--step--1);
}
.mailboxes a:last-child{border-bottom:0}
.mailboxes a:hover strong{color:var(--amp-deep)}
.mailboxes span{color:var(--muted)}
.mailboxes strong{font-family:var(--font-display);font-weight:600;overflow-wrap:anywhere;text-align:right}

/* ------------------------------------------------------ 8. formularios --- */
.form{display:grid;gap:1.1rem;padding:clamp(1.5rem,3vw,2.5rem);background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg)}
.form__row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.1rem}
.field{display:grid;gap:.4rem}
.field label{font-family:var(--font-display);font-weight:600;font-size:.86rem;letter-spacing:.01em}
.field label small{font-weight:400;color:var(--muted-2)}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:1rem;color:var(--text);
  min-height:3rem;padding:.7rem .9rem;
  background:var(--paper);border:1px solid var(--line-strong);border-radius:var(--r-sm);
  transition:border-color var(--t-fast) var(--e-out),box-shadow var(--t-fast) var(--e-out),background-color var(--t-fast) var(--e-out);
}
.field textarea{min-height:8.5rem;resize:vertical}
.field select{
  appearance:none;-webkit-appearance:none;padding-right:2.6rem;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234A5468' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .9rem center;background-size:1.1rem;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink-900);background:var(--white);box-shadow:0 0 0 3px var(--amp-glow);
}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:#C2410C}
.field__err{font-size:.82rem;color:#B3400E;display:none}
.field.is-invalid .field__err{display:block}
.form__foot{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between}
.form__note{font-size:.82rem;color:var(--muted-2);max-width:34ch}
.form__status{
  display:none;gap:.8rem;align-items:flex-start;padding:1rem 1.1rem;border-radius:var(--r-md);
  font-size:var(--step--1);line-height:1.5;
}
.form__status.is-ok{display:flex;background:#EAF7EF;color:#14532D;border:1px solid #BBE5C8}
.form__status.is-err{display:flex;background:#FDF0E8;color:#7C2D12;border:1px solid #F5C9B0}
.form__status svg{width:1.2rem;height:1.2rem;flex:none;margin-top:.15rem}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0;overflow:hidden}

/* ------------------------------------------------------------ 9. footer --- */
.footer{background:var(--ink-950);color:var(--text-inv);padding:clamp(3.5rem,6vw,5.5rem) 0 2rem;border-top:1px solid var(--line-inv)}
.footer__grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:var(--s-7)}
.footer__brand{display:grid;gap:1.1rem;align-content:start}
.footer__brand p{color:var(--muted-inv);max-width:34ch;font-size:var(--step--1);line-height:1.6}
.footer h3{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--muted-inv-2);margin-bottom:1.1rem}
.footer__list{display:grid;gap:.55rem;margin:0;padding:0;list-style:none}
.footer__list a{color:var(--muted-inv);text-decoration:none;font-size:var(--step--1);transition:color var(--t-fast) var(--e-out)}
.footer__list a:hover{color:var(--amp)}
.footer__list li{overflow-wrap:anywhere}
.footer__bar{
  margin-top:clamp(2.5rem,5vw,4rem);padding-top:1.5rem;border-top:1px solid var(--line-inv);
  display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;
  font-size:.82rem;color:var(--muted-inv-2);
}
.footer__bar p{margin:0}
.lambda-sig{
  display:inline-flex;align-items:center;gap:.5rem;
  color:rgba(255,255,255,.72);text-decoration:none;
  transition:color var(--t-fast) var(--e-out);
}
.lambda-sig:hover{color:rgba(255,255,255,.95)}
.lambda-sig svg{width:16px;height:16px;flex:none;opacity:.9;overflow:visible}
.lambda-sig span{font-size:11.5px;letter-spacing:.02em;line-height:1}

/* Botón flotante WhatsApp */
.wa-float{
  position:fixed;right:max(1.1rem,env(safe-area-inset-right));bottom:max(1.1rem,env(safe-area-inset-bottom));
  z-index:var(--z-nav);width:3.4rem;height:3.4rem;border-radius:50%;
  display:grid;place-items:center;background:#1FA855;color:#fff;
  box-shadow:0 14px 30px -10px rgba(31,168,85,.6);
  transition:transform var(--t-fast) var(--e-out),background-color var(--t-fast) var(--e-out);
}
.wa-float:hover{transform:translateY(-2px);background:#22B95E}
.wa-float svg{width:1.7rem;height:1.7rem}

/* Página 404 */
.err{min-height:100svh;display:grid;place-items:center;text-align:center;padding:8rem var(--gutter) 4rem}
.err__code{font-family:var(--font-display);font-weight:800;font-stretch:112%;font-size:clamp(5rem,18vw,11rem);line-height:.9;letter-spacing:-.04em;color:var(--amp)}

/* -------------------------------------------------------- 10. movimiento -- */
.rv{opacity:0;transform:translateY(22px);transition:opacity var(--t-slow) var(--e-out),transform var(--t-slow) var(--e-out)}
.rv.is-in{opacity:1;transform:none}
.rv--l{transform:translateX(-22px)}
.rv--r{transform:translateX(22px)}
.rv--s{transform:scale(.96)}
.rv[data-delay="1"]{transition-delay:90ms}
.rv[data-delay="2"]{transition-delay:180ms}
.rv[data-delay="3"]{transition-delay:270ms}
.rv[data-delay="4"]{transition-delay:360ms}
.rv[data-delay="5"]{transition-delay:450ms}
html.no-js .rv{opacity:1;transform:none}

/* Titular del hero: entra por líneas */
.hero h1 .w{opacity:0;transform:translateY(.55em) rotate(1.5deg);transform-origin:left bottom;animation:rise .9s var(--e-out) forwards}
.hero h1 .w:nth-child(2){animation-delay:.12s}
.hero h1 .w:nth-child(3){animation-delay:.24s}
.hero h1 .w:nth-child(4){animation-delay:.36s}
.hero__copy > :not(h1){opacity:0;animation:fade .8s var(--e-out) forwards}
.hero__copy > .eyebrow{animation-delay:.05s}
.hero__copy > .hero__lead{animation-delay:.45s}
.hero__copy > .hero__cta{animation-delay:.58s}
.hero__art{opacity:0;animation:fade 1.2s var(--e-out) .3s forwards}
.hero__ribbon{opacity:0;animation:fade 1s var(--e-out) .8s forwards}
@keyframes rise{to{opacity:1;transform:none}}
@keyframes fade{to{opacity:1}}
html.no-js .hero h1 .w,html.no-js .hero__copy > :not(h1),html.no-js .hero__art,html.no-js .hero__ribbon{opacity:1;transform:none;animation:none}

/* Foco de luz que sigue al puntero (tarjetas) */
.card--link::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;
  background:radial-gradient(240px circle at var(--mx,50%) var(--my,50%),rgba(255,176,32,.14),transparent 60%);
  transition:opacity var(--t-med) var(--e-out);
}
.card--link:hover::after{opacity:1}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .rv,.hero h1 .w,.hero__copy > :not(h1),.hero__art,.hero__ribbon{opacity:1;transform:none}
  .marquee__track{animation:none}
  .unifilar .flow{animation:none;stroke-dasharray:none;opacity:.7}
}

/* -------------------------------------------------------- 11. responsive -- */
@media (max-width:1180px){
  .lambda-mark--nav{display:none}
}
@media (max-width:1024px){
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento > .card,.bento > .card--wide,.bento > .card--half{grid-column:span 1}
  .bento > .card--tall{grid-row:span 1}
  .bento > .card--wide{grid-column:span 2}
  .process{grid-template-columns:repeat(3,minmax(0,1fr))}
  .process::before{display:none}
  .sectors{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .values{grid-template-columns:repeat(2,minmax(0,1fr))}
  .svc-detail{grid-template-columns:1fr}
  .svc-detail__head{position:static}
  .statement{grid-template-columns:1fr}
}
@media (max-width:920px){
  .nav__links,.nav__cta{display:none}
  .burger{display:grid}
  .hero{min-height:0;padding-top:calc(7rem + env(safe-area-inset-top))}
  .hero__grid{grid-template-columns:1fr}
  .hero__art{max-width:480px;justify-self:center;margin-top:1rem}
  .page-head__grid,.sec-head--split{grid-template-columns:1fr}
  .about,.contact{grid-template-columns:1fr}
  .contact__aside{position:static}
  .cta{grid-template-columns:1fr}
  .cta__actions{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pillars{grid-template-columns:1fr}
  .pillar:nth-child(odd){border-right:0}
  .pillar:nth-last-child(2){border-bottom:1px solid var(--line)}
  .lambda-sig span{display:none}
}
@media (max-width:640px){
  .brand__sub{display:none}
  .bento,.sectors,.grid--2,.grid--3,.grid--4,.values,.footer__grid,.form__row,.specs{grid-template-columns:1fr}
  .bento > .card--wide,.bento > .card--half{grid-column:span 1}
  .process{grid-template-columns:1fr;gap:var(--s-4)}
  .step{grid-template-columns:auto 1fr;column-gap:1rem}
  .step__n{grid-row:span 3}
  .svc-detail .checks{grid-template-columns:1fr}
  .cta__actions{grid-template-columns:1fr}
  .safety{grid-template-columns:1fr}
  .hero__cta .btn{width:100%}
  .btn--lg{font-size:.98rem}
  .footer__bar{justify-content:center;text-align:center}
}