/* IT Support Kit — estilo "técnico / cinemático": oscuro, tipografía enorme, vidrio, grano y movimiento solo con transform y opacity.
   Sin fuentes ni librerías de terceros. El movimiento se apaga con prefers-reduced-motion y lo pesado solo corre con puntero fino. */
:root {
  --bg: #07090c; --bg2: #0c1016; --fg: #e9edf4; --mut: #98a3b3; --line: rgba(255, 255, 255, .1);
  --acc: #5eead4; --acc2: #38bdf8; --glass: rgba(255, 255, 255, .04);
  --sans: ui-sans-serif, "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 1.0625rem/1.65 var(--sans); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 6px; }
.wrap { width: min(1200px, 100% - 2.5rem); margin-inline: auto; }
.skip { position: fixed; left: 1rem; top: -4rem; z-index: 200; background: var(--acc); color: #04201c; padding: .6rem 1rem; border-radius: 8px; font-weight: 600; transition: transform .2s; }
.skip:focus { transform: translateY(5.5rem); }

/* Textura de grano y barra de progreso */
.grain { position: fixed; inset: 0; z-index: 80; pointer-events: none; opacity: .045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.progress { position: fixed; left: 0; right: 0; top: 0; height: 2px; z-index: 120; pointer-events: none; }
.progress i { display: block; height: 100%; background: linear-gradient(90deg, var(--acc), var(--acc2)); transform-origin: 0 50%; transform: scaleX(var(--sp, 0)); }

/* Entrada: dos puertas que se abren (solo con JS) */
#preloader { display: none; }
.js #preloader { display: block; position: fixed; inset: 0; z-index: 150; }
.door { position: absolute; left: 0; right: 0; height: 50%; background: var(--bg); transition: transform .9s cubic-bezier(.77, 0, .18, 1); }
.door-t { top: 0; } .door-b { bottom: 0; }
.pre-label { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 1rem; font: 600 .78rem var(--mono); letter-spacing: .32em; color: var(--acc); transition: opacity .4s; }
.pre-bar { display: block; width: 7rem; height: 2px; background: var(--line); position: relative; overflow: hidden; }
.pre-bar::after { content: ""; position: absolute; inset: 0; background: var(--acc); transform-origin: 0 50%; animation: carga 1s var(--ease) both; }
.is-ready #preloader .door-t { transform: translateY(-101%); }
.is-ready #preloader .door-b { transform: translateY(101%); }
.is-ready #preloader .pre-label { opacity: 0; }
.is-done #preloader { display: none; }

/* Encabezado que se esconde al bajar y vuelve al subir */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; display: flex; align-items: center; gap: 1.5rem; padding: .85rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(7, 9, 12, .62); -webkit-backdrop-filter: blur(16px) saturate(1.4); backdrop-filter: blur(16px) saturate(1.4); border-bottom: 1px solid var(--line);
  transition: transform .45s var(--ease); }
.site-header.hide { transform: translateY(-100%); }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; letter-spacing: -.01em; text-decoration: none; color: var(--fg); }
.mark { color: var(--acc); }
.nav { display: flex; gap: 1.5rem; margin-left: auto; }
.nav a, .lang { color: var(--mut); text-decoration: none; font-size: .95rem; transition: color .25s; }
.nav a:hover, .lang:hover { color: var(--fg); }
.header-actions { display: flex; align-items: center; gap: 1rem; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; padding: .95rem 1.6rem; border: 1px solid transparent; border-radius: 999px; cursor: pointer;
  background: var(--acc); color: #04201c; font: 650 1rem var(--sans); text-decoration: none; transition: transform .25s var(--ease), box-shadow .25s, background-color .25s, border-color .25s; will-change: transform; }
.btn-sm { padding: .55rem 1.1rem; font-size: .9rem; }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn:hover { box-shadow: 0 0 0 6px rgba(94, 234, 212, .14), 0 10px 40px rgba(94, 234, 212, .25); }
.btn-ghost:hover { border-color: var(--acc); box-shadow: none; }

/* Tipografía */
.kicker { font: 600 .78rem var(--mono); letter-spacing: .24em; text-transform: uppercase; color: var(--acc); margin: 0 0 1.25rem; }
.display { font-size: clamp(2.7rem, 10.5vw, 9.2rem); line-height: .94; letter-spacing: -.05em; font-weight: 700; margin: 0 0 1.75rem; }
.line { display: block; overflow: hidden; padding-bottom: .1em; }
/* El degradado va en cada palabra: aplicado a la línea, el transform de la animación lo rompía y el texto quedaba invisible */
.line:last-child .wi { background: linear-gradient(100deg, var(--acc), var(--acc2)); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; padding-bottom: .06em; }
.w { display: inline-block; overflow: hidden; vertical-align: top; }
.wi { display: inline-block; }
.h2 { font-size: clamp(2rem, 5.2vw, 4rem); line-height: 1.04; letter-spacing: -.035em; font-weight: 700; margin: 0 0 1.5rem; max-width: 18ch; }
.h1 { font-size: clamp(2.2rem, 6vw, 4rem); line-height: 1.05; letter-spacing: -.04em; margin: 0 0 .5rem; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.35rem); color: var(--mut); max-width: 46ch; margin: 0 0 2rem; }
.muted, .note { color: var(--mut); }
.note { font: 500 .85rem var(--mono); margin-top: 1.5rem; }
.actions { display: flex; flex-wrap: wrap; gap: .85rem; margin: 0; }
.label { font: 600 .72rem var(--mono); letter-spacing: .22em; color: var(--mut); margin: 0 0 1.2rem; }

/* Portada */
.hero { position: relative; isolation: isolate; min-height: 100vh; min-height: 100dvh; display: grid; align-content: center; padding: 7rem 0 4rem; overflow: hidden; }
.hero-grid { display: grid; gap: 3rem; align-items: end; }
.bg { position: absolute; inset: 0; z-index: -1; }
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; will-change: transform; }
.o1 { width: 38rem; height: 38rem; right: -10rem; top: -8rem; background: radial-gradient(circle at 30% 30%, rgba(56, 189, 248, .55), transparent 65%); animation: flota 16s ease-in-out infinite alternate; }
.o2 { width: 32rem; height: 32rem; left: -8rem; bottom: -10rem; background: radial-gradient(circle at 60% 40%, rgba(94, 234, 212, .4), transparent 65%); animation: flota 20s ease-in-out infinite alternate-reverse; }
.grid { position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 70%); mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 70%); opacity: .4; }
.glass { background: var(--glass); border: 1px solid var(--line); border-radius: 22px; -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06); }
.flow { padding: 1.6rem; align-self: center; }
.flow ol { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.flow li { display: grid; grid-template-columns: 2.4rem 1fr; gap: .75rem; padding: .85rem .9rem; border-radius: 14px; border: 1px solid transparent; opacity: .55; transition: opacity .5s, transform .5s var(--ease), border-color .5s, background-color .5s; }
.flow li b { font: 600 .8rem var(--mono); color: var(--acc); padding-top: .2rem; }
.flow li strong { display: block; font-size: 1.05rem; }
.flow li em { display: block; font-style: normal; color: var(--mut); font-size: .92rem; }
.flow li.on { opacity: 1; transform: translateX(6px); border-color: rgba(94, 234, 212, .35); background: rgba(94, 234, 212, .06); }

/* Palabras que suben (solo con JS; sin JS se ven tal cual) */
.js .wi { transform: translateY(108%); }
.is-ready .wi { animation: sube 1s var(--ease) both; animation-delay: calc(var(--d, 0) * 70ms + .35s); }
.i1 { --d: 1; } .i2 { --d: 2; } .i3 { --d: 3; } .i4 { --d: 4; } .i5 { --d: 5; } .i6 { --d: 6; } .i7 { --d: 7; } .i8 { --d: 8; } .i9 { --d: 9; } .i10 { --d: 10; } .i11 { --d: 11; } .i12 { --d: 12; } .i13 { --d: 13; } .i14 { --d: 14; }

/* Aparición al hacer scroll */
.js .rv { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .rv.in { opacity: 1; transform: none; }
.cards > .rv:nth-child(3n+2), .checks > .rv:nth-child(even) { transition-delay: .08s; }
.cards > .rv:nth-child(3n+3) { transition-delay: .16s; }

/* Cómo funciona: sección que se queda fija mientras cambian los pasos */
.how { position: relative; }
.how-in { padding: 6rem 0; }
.how-body { display: grid; gap: 2rem; margin-top: 2.5rem; }
.rail { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .75rem; font: 600 .85rem var(--mono); color: var(--mut); }
.rail li span { color: var(--acc); margin-right: .5rem; }
.st-list { display: grid; gap: 2rem; }
.st { border-top: 1px solid var(--line); padding-top: 1.5rem; }
.st .num { font: 700 clamp(4rem, 14vw, 9rem)/1 var(--mono); color: transparent; -webkit-text-stroke: 1px rgba(94, 234, 212, .6); margin: 0 0 .5rem; }
.st h3 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin: 0 0 .75rem; letter-spacing: -.03em; }
.st p { color: var(--mut); max-width: 52ch; margin: 0; }
.how-bar { display: none; }
@media (min-width: 900px) and (prefers-reduced-motion: no-preference) {
  .js .how { height: 420vh; }
  .js .how-in { position: sticky; top: 0; height: 100vh; height: 100dvh; display: grid; align-content: center; padding: 5rem 0 2rem; }
  .js .how-body { grid-template-columns: 11rem 1fr 3px; align-items: stretch; min-height: 22rem; }
  .js .rail { flex-direction: column; flex-wrap: nowrap; gap: 1.1rem; }
  .js .rail li { opacity: .35; transition: opacity .4s, transform .4s var(--ease); }
  .js .st-list { position: relative; display: block; }
  .js .st { position: absolute; inset: 0 auto auto 0; opacity: 0; transform: translateY(32px); transition: opacity .6s var(--ease), transform .6s var(--ease); border-top: 0; padding-top: 0; pointer-events: none; }
  .js .how-bar { display: block; background: var(--line); border-radius: 3px; overflow: hidden; }
  .js .how-bar i { display: block; height: 100%; background: var(--acc); transform-origin: 50% 0; transform: scaleY(var(--p, 0)); }
  .js [data-step="1"] .st:nth-child(1), .js [data-step="2"] .st:nth-child(2), .js [data-step="3"] .st:nth-child(3), .js [data-step="4"] .st:nth-child(4) { opacity: 1; transform: none; pointer-events: auto; }
  .js [data-step="1"] .rail li:nth-child(1), .js [data-step="2"] .rail li:nth-child(2), .js [data-step="3"] .rail li:nth-child(3), .js [data-step="4"] .rail li:nth-child(4) { opacity: 1; transform: translateX(8px); color: var(--fg); }
}

/* Secciones */
.sec { padding: clamp(4rem, 9vw, 8rem) 0; }
.cards { list-style: none; margin: 3rem 0 0; padding: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); }
.card { position: relative; padding: 1.75rem; background: var(--glass); border: 1px solid var(--line); border-radius: 20px; -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  transition: opacity .9s var(--ease), transform .45s var(--ease), border-color .35s, background-color .35s; }
.card .idx { font: 600 .78rem var(--mono); color: var(--acc); }
.card h3 { font-size: 1.35rem; letter-spacing: -.02em; margin: .9rem 0 .6rem; }
.card p { margin: 0; color: var(--mut); font-size: 1rem; }
.trust { display: grid; gap: 3rem; }
.trust-head .ai { color: var(--mut); border-left: 2px solid var(--acc); padding-left: 1rem; max-width: 44ch; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.checks li { position: relative; padding: 0 0 1.25rem 2.2rem; border-bottom: 1px solid var(--line); }
.checks li::before { content: ""; position: absolute; left: 0; top: .45rem; width: 1.1rem; height: .6rem; border-left: 2px solid var(--acc); border-bottom: 2px solid var(--acc); transform: rotate(-45deg) scale(.9); }
.checks h3 { margin: 0 0 .3rem; font-size: 1.2rem; letter-spacing: -.02em; }
.checks p { margin: 0; color: var(--mut); }
.chips { list-style: none; margin: 2rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .75rem; }
.chip { padding: .8rem 1.4rem; border: 1px solid var(--line); border-radius: 999px; font: 600 1rem var(--mono); background: var(--glass); }

/* Formulario */
.early { padding-bottom: clamp(5rem, 10vw, 9rem); }
.form-card { padding: clamp(1.5rem, 4vw, 3.5rem); max-width: 44rem; margin-inline: auto; }
.form-card .h2 { max-width: none; }
form { display: grid; gap: 1rem; }
label { font-weight: 600; font-size: .95rem; }
input[type="email"] { width: 100%; padding: 1rem 1.15rem; border-radius: 14px; border: 1px solid var(--line); background: rgba(0, 0, 0, .35); color: var(--fg); font: 1.05rem var(--sans); transition: border-color .25s, box-shadow .25s; }
input[type="email"]:focus { border-color: var(--acc); box-shadow: 0 0 0 4px rgba(94, 234, 212, .15); outline: none; }
.check { display: grid; grid-template-columns: auto 1fr; gap: .75rem; align-items: start; font-weight: 400; color: var(--mut); font-size: .92rem; }
.check input { width: 1.2rem; height: 1.2rem; margin-top: .2rem; accent-color: var(--acc); }
.check a { color: var(--fg); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.status { min-height: 1.5rem; margin: 0; font-weight: 600; }
.status.ok { color: var(--acc); } .status.err { color: #fca5a5; }

/* Pie y páginas de texto */
.site-footer { border-top: 1px solid var(--line); padding: 2.5rem 0; color: var(--mut); font-size: .92rem; }
.foot { display: grid; gap: .75rem; }
.foot p { margin: 0; }
.brand-line { display: inline-flex; align-items: center; gap: .6rem; color: var(--fg); }
.prose { max-width: 46rem; padding: 8rem 0 5rem; }
.prose h2 { font-size: 1.4rem; letter-spacing: -.02em; margin: 2.2rem 0 .5rem; }
.prose p { color: var(--mut); }
.nf { text-align: left; min-height: 80vh; display: grid; align-content: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.5fr 1fr; } .trust { grid-template-columns: 1fr 1.2fr; align-items: start; } .foot { grid-template-columns: 1fr 1fr auto; align-items: center; } }
@media (max-width: 760px) {
  .nav { display: none; }
  .header-actions { margin-left: auto; gap: .6rem; }
  .site-header { gap: .75rem; padding-inline: 1rem; }
  .brand span, .btn-sm, .lang { white-space: nowrap; }
  .kicker { letter-spacing: .14em; }
}
@media (max-width: 520px) { .header-actions .btn { display: none; } }

/* Puntero fino (mouse): cursor de anillo con inercia, tarjetas con peso y botones magnéticos */
.cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  .js .cursor { display: block; position: fixed; left: 0; top: 0; width: 34px; height: 34px; margin: -17px 0 0 -17px; border: 1px solid var(--acc); border-radius: 50%; pointer-events: none; z-index: 90;
    transform: translate3d(-100px, -100px, 0); opacity: 0; transition: opacity .3s; will-change: transform; mix-blend-mode: difference; }
  .js .cursor.on { opacity: .9; }
  .card:hover { transform: translate3d(0, -6px, 0) rotateX(1.5deg); border-color: rgba(94, 234, 212, .45); background: rgba(94, 234, 212, .05); }
}

/* Animaciones (solo transform y opacity) */
@keyframes sube { from { transform: translateY(108%); } to { transform: translateY(0); } }
@keyframes carga { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes flota { from { transform: translate3d(0, 0, 0) scale(1); } to { transform: translate3d(-4%, 6%, 0) scale(1.12); } }

/* Movimiento reducido: todo se ve de entrada, sin animaciones */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .wi, .js .rv, .js .st { transform: none !important; opacity: 1 !important; }
  .js #preloader { display: none; }
  .orb { animation: none; }
}