/* =========================================================
   Verónica Arrueta · Perita Informática — HuellaIT
   Paleta y tipografías del manual de marca HuellaIT
   ========================================================= */
:root {
  --violeta: #6432C8;
  --violeta-claro: #9B7BEA;
  --aqua: #00FAC8;
  --fucsia: #F0287A;
  --ambar: #F5B942;
  --noche: #0E0719;          /* fondo hero / oscuro */
  --tinta: #1C1036;
  --tinta-2: #2A1A4D;
  --gris: #333333;
  --gris-suave: #625C70;
  --lavanda: #E6DEF8;
  --hueso: #F7F4FC;
  --blanco: #FFFFFF;
  --wa: #25D366;

  --f-titulo: "Quicksand", "Gotham Rounded", "Montserrat", system-ui, sans-serif;
  --f-texto: "Poppins", "Montserrat", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --wrap: 1120px;
  --r: 14px;
  --r-l: 26px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; font-family: var(--f-texto); font-size: 15.5px; line-height: 1.65; color: var(--gris); background: var(--blanco); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--f-titulo); font-weight: 700; line-height: 1.12; margin: 0; color: var(--tinta); }
p { margin: 0; }
svg { width: 1em; height: 1em; flex: none; }
strong { font-weight: 600; }
:focus-visible { outline: 2px solid var(--aqua); outline-offset: 3px; border-radius: 6px; }
.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; padding: .85em 1.7em; border-radius: 999px; font-weight: 600; font-size: .92rem; border: 1.5px solid transparent; transition: background-color .2s, color .2s, border-color .2s, box-shadow .2s; white-space: nowrap; cursor: pointer; }
.btn svg { width: 1.15em; height: 1.15em; }
.btn--sm { padding: .55em 1.2em; font-size: .82rem; }
.btn--glow { background: linear-gradient(135deg, var(--violeta), #8A4FE0); color: var(--blanco); box-shadow: 0 8px 28px -6px rgba(100, 50, 200, .7); }
.btn--glow:hover { box-shadow: 0 10px 34px -4px rgba(100, 50, 200, .95); }
.btn--line { border-color: rgba(255, 255, 255, .45); color: var(--blanco); }
.btn--line:hover { border-color: var(--aqua); color: var(--aqua); }
.btn--white { background: var(--blanco); color: var(--violeta); }
.btn--white:hover { background: var(--lavanda); }
.btn--aqua { background: var(--aqua); color: var(--noche); }
.btn--aqua:hover { background: #5FFFDD; }

/* ---------- Etiquetas ---------- */
.kicker { display: inline-flex; align-items: center; gap: 12px; font-family: var(--f-mono); font-size: .9rem; letter-spacing: .12em; text-transform: uppercase; color: var(--violeta); margin-bottom: 16px; }
.kicker::before { content: ""; width: 34px; height: 2px; background: var(--fucsia); }
.label { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--violeta); margin-bottom: 8px; }
.label--pink { color: #FF6FA8; }
.label--aqua { color: var(--aqua); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { font-family: var(--f-mono); font-size: .72rem; padding: .35em .9em; border-radius: 999px; border: 1px solid rgba(240, 40, 122, .55); color: #FF8DBA; }
.chips--light span { border-color: rgba(255, 255, 255, .5); color: var(--blanco); }
.chips--dark span { border-color: rgba(255, 255, 255, .18); color: #D8CFEE; background: rgba(255, 255, 255, .04); }
.chips--violet span { background: var(--violeta); border-color: var(--violeta); color: var(--blanco); }

/* ---------- Navegación ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(14, 7, 25, .96); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255, 255, 255, .06); }
.nav__inner { display: flex; align-items: center; gap: 28px; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 16px; }
.brand img { width: 96px; }
.brand__tag { font-family: var(--f-mono); font-size: .8rem; line-height: 1.35; letter-spacing: .08em; text-transform: uppercase; color: #00FAC8; border-left: 1px solid rgba(255, 255, 255, .15); padding-left: 16px; }
.nav__menu { display: flex; gap: 26px; margin: 0 auto; font-size: .87rem; color: #E6E0F5; }
.nav__menu a:not(.btn):hover { color: var(--aqua); }
.nav__mob { display: none; }
.nav__cta { display: flex; gap: 8px; }
.nav__toggle { display: none; background: none; border: 0; padding: 8px; margin-left: auto; cursor: pointer; }
.nav__toggle span { display: block; width: 22px; height: 2px; margin: 5px 0; background: var(--blanco); border-radius: 2px; transition: transform .2s, opacity .2s; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; color: var(--blanco); background:
  radial-gradient(50% 60% at 10% 0%, rgba(100, 50, 200, .45), transparent 70%),
  radial-gradient(40% 55% at 80% 55%, rgba(155, 123, 234, .25), transparent 70%),
  var(--noche); }
.hero__grid { position: absolute; inset: 0; background-image: radial-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px); background-size: 22px 22px; mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent); }
.hero__inner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 30px; align-items: center; padding: 70px 0 50px; }
.hero .kicker { color: #FFFFFF; }
.hero h1 { color: var(--blanco); font-size: clamp(2.4rem, 5.2vw, 4.1rem); letter-spacing: -.015em; }
.hero h1 span { display: block; background: linear-gradient(90deg, var(--violeta-claro) 0%, #B58BF0 30%, var(--aqua) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__lead { margin-top: 22px; max-width: 54ch; color: #C9C0DE; font-size: 1rem; }
.hero__lead strong { color: var(--blanco); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.hero__visual { position: relative; height: 500px; display: flex; justify-content: center; align-items: flex-end; }
.hero__halo { position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(100, 50, 200, .9) 0%, rgba(100, 50, 200, .35) 45%, transparent 70%); }
.hero__halo::after { content: ""; position: absolute; inset: 30px; border-radius: 50%; border: 1px dashed rgba(0, 250, 200, .35); }
.hero__photo { position: relative; z-index: 1; height: 100%; width: auto; mask-image: linear-gradient(180deg, #000 82%, transparent); }

.node { position: absolute; z-index: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; width: 118px; height: 118px; border-radius: 22px; text-align: center; font-family: var(--f-mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; line-height: 1.3; color: #BFB3DD; background: rgba(28, 16, 54, .72); border: 1px solid rgba(255, 255, 255, .14); backdrop-filter: blur(8px); }
.node svg { width: 22px; height: 22px; color: #D6CBF2; }
.node--a { left: 0; bottom: 70px; }
.node--c { right: 0; bottom: 30px; }
.node--main { right: 2%; top: 30px; width: 132px; height: 132px; color: var(--blanco); background: linear-gradient(150deg, rgba(100, 50, 200, .95), rgba(155, 80, 230, .85)); border-color: rgba(255, 255, 255, .35); box-shadow: 0 0 0 6px rgba(100, 50, 200, .25), 0 0 50px rgba(100, 50, 200, .8); }
.node--main svg { color: var(--blanco); }
.node code { font-size: .58rem; color: var(--aqua); letter-spacing: .1em; }

.ticker { position: relative; overflow: hidden; background: var(--violeta); border-top: 1px solid rgba(255, 255, 255, .15); }
.ticker__track { display: flex; width: max-content; animation: ticker 50s linear infinite; }
.ticker span { font-family: var(--f-mono); font-size: .76rem; color: var(--blanco); padding: 12px 22px; white-space: nowrap; }
.ticker span::after { content: "·"; margin-left: 44px; color: var(--aqua); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- Secciones ---------- */
.section { padding: 96px 0; }
.section--tint { background: var(--hueso); }
.head { text-align: center; max-width: 680px; margin: 0 auto 50px; }
.head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing: -.01em; }
.head > p:not(.kicker) { margin-top: 14px; color: var(--gris-suave); }

.cards { display: grid; gap: 18px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--blanco); border: 1px solid var(--lavanda); border-radius: var(--r); padding: 26px 24px; transition: border-color .2s, box-shadow .2s; }
.card:hover { border-color: var(--violeta-claro); box-shadow: 0 16px 40px -24px rgba(100, 50, 200, .5); }
.card__icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: #F1ECFC; color: var(--violeta); margin-bottom: 18px; }
.card__icon svg { width: 20px; height: 20px; }
.card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.card p { font-size: .86rem; color: var(--gris-suave); }
.card--mini { padding: 22px; }
.card--mini h3 { font-size: 1rem; }
.cards--mini { margin-top: 18px; }

/* ---------- Tarjetas destacadas ---------- */
.feature { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center; padding: 44px; border-radius: var(--r-l); color: #DDD5EF; }
.feature::after { content: ""; position: absolute; right: -60px; bottom: -60px; width: 220px; height: 220px; border-radius: 50%; border: 28px solid rgba(255, 255, 255, .05); }
.feature--dark { background: radial-gradient(60% 80% at 85% 20%, rgba(100, 50, 200, .45), transparent 70%), linear-gradient(160deg, var(--tinta-2), var(--noche)); }
.feature--violet { background: radial-gradient(50% 70% at 80% 10%, rgba(240, 40, 122, .35), transparent 70%), linear-gradient(150deg, #7B45DC, var(--violeta) 55%, #4A1FA3); color: #F0EAFB; }
.feature h3 { color: var(--blanco); font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 12px; }
.feature__body > p:not(.label) { font-size: .92rem; }
.feature strong { color: var(--blanco); }
.feature--violet .label { color: #FFD2E4; }
.ticks { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 10px; font-size: .88rem; }
.ticks li { display: flex; gap: 10px; align-items: flex-start; }
.ticks svg { margin-top: 4px; color: var(--aqua); }
.feature .chips { margin-bottom: 26px; }
.feature__actions { display: flex; flex-wrap: wrap; gap: 10px; }

.panel { position: relative; z-index: 1; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); border-radius: 18px; padding: 22px; backdrop-filter: blur(6px); }
.panel__title { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: #8F80B8; margin-bottom: 12px; }
.panel ul { list-style: none; padding: 0; margin: 0; }
.panel li { display: flex; align-items: center; gap: 10px; padding: 11px 0; border-top: 1px solid rgba(255, 255, 255, .07); font-size: .84rem; }
.panel li:first-child { border-top: 0; }
.panel code { margin-left: auto; font-family: var(--f-mono); font-size: .72rem; color: var(--blanco); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 8px var(--aqua); flex: none; }
.dot--pink { background: var(--fucsia); box-shadow: 0 0 8px var(--fucsia); }
.dot--amber { background: var(--ambar); box-shadow: 0 0 8px var(--ambar); }
.panel--list { background: rgba(14, 7, 25, .75); border-color: rgba(255, 255, 255, .08); }
.panel--list .panel__title { color: #FF8DBA; }
.panel--list svg { color: var(--aqua); }

.divider { display: flex; align-items: center; gap: 16px; margin: 18px 0; font-family: var(--f-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gris-suave); }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--violeta-claro), transparent); }
.divider span { text-align: center; }

/* ---------- Banda oscura ---------- */
.band { margin-top: 28px; padding: 32px 36px; border-radius: var(--r-l); background: linear-gradient(140deg, var(--tinta-2), var(--noche)); }
.band h3 { color: var(--blanco); font-size: 1.3rem; margin-bottom: 18px; }

/* ---------- Procedimiento ---------- */
.process { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.steps { list-style: none; padding: 10px 26px; margin: 0; border: 1px solid var(--lavanda); border-radius: var(--r-l); background: var(--blanco); }
.steps li { display: flex; gap: 18px; padding: 18px 0; border-top: 1px solid var(--lavanda); }
.steps li:first-child { border-top: 0; }
.steps span { flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: #F1ECFC; color: var(--violeta); font-family: var(--f-mono); font-weight: 600; font-size: .85rem; }
.steps h3 { font-size: 1rem; margin-bottom: 4px; }
.steps p { font-size: .85rem; color: var(--gris-suave); }
.criteria { padding: 32px; border-radius: var(--r-l); color: #CFC6E6; font-size: .88rem; background: radial-gradient(60% 50% at 100% 0%, rgba(100, 50, 200, .5), transparent 70%), var(--noche); }
.criteria h3 { color: var(--blanco); font-size: 1.3rem; margin-bottom: 10px; }
.criteria .label { margin: 24px 0 10px; }
.criteria strong { color: var(--blanco); }

/* ---------- Impugnación ---------- */
.legal { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.legal h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin-bottom: 16px; }
.legal__copy > p:not(.kicker) { color: var(--gris-suave); margin-bottom: 24px; max-width: 52ch; }
.chain { list-style: none; padding: 0; margin: 0; position: relative; }
.chain::before { content: ""; position: absolute; left: 19px; top: 20px; bottom: 20px; width: 2px; background: linear-gradient(var(--violeta), var(--aqua)); }
.chain li { position: relative; display: flex; gap: 18px; padding: 12px 0; }
.chain span { flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--blanco); border: 2px solid var(--violeta); color: var(--violeta); font-family: var(--f-mono); font-weight: 600; font-size: .85rem; }
.chain li:last-child span { border-color: var(--aqua); background: var(--aqua); color: var(--noche); }
.chain div { background: var(--blanco); border: 1px solid var(--lavanda); border-radius: var(--r); padding: 14px 18px; flex: 1; }
.chain h3 { font-size: .98rem; margin-bottom: 2px; }
.chain p { font-size: .84rem; color: var(--gris-suave); }

/* ---------- Urgencias ---------- */
.urgent { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.urgent__card { position: relative; overflow: hidden; padding: 38px 34px; border-radius: var(--r-l); color: #EDE6FA; font-size: .9rem; display: flex; flex-direction: column; align-items: flex-start; }
.urgent__card--violet { background: radial-gradient(70% 60% at 100% 0%, rgba(240, 40, 122, .45), transparent 70%), linear-gradient(150deg, #7B45DC, #4A1FA3); }
.urgent__card--aqua { background: radial-gradient(70% 60% at 100% 0%, rgba(0, 250, 200, .3), transparent 70%), linear-gradient(150deg, #0F3D44, #0B1E2A); color: #D4ECEA; }
.urgent__card .card__icon { background: rgba(255, 255, 255, .14); color: var(--blanco); }
.urgent__card--aqua .card__icon { color: var(--aqua); }
.urgent__card h3 { color: var(--blanco); font-size: 1.45rem; margin-bottom: 12px; }
.urgent__card p { margin-bottom: 26px; flex: 1; }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; }
.faq details { background: var(--blanco); border: 1px solid var(--lavanda); border-radius: var(--r); margin-bottom: 10px; }
.faq details[open] { border-color: var(--violeta-claro); }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 22px; font-weight: 500; font-size: .94rem; color: var(--tinta); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { width: 18px; height: 18px; color: var(--violeta); transition: transform .2s; }
.faq details[open] summary svg { transform: rotate(45deg); }
.faq details p { padding: 0 22px 20px; font-size: .9rem; color: var(--gris-suave); }

/* ---------- CTA final ---------- */
.final { position: relative; overflow: hidden; padding: 110px 0; text-align: center; color: #CFC6E6; background: radial-gradient(60% 70% at 50% 0%, rgba(100, 50, 200, .55), transparent 70%), radial-gradient(40% 50% at 90% 100%, rgba(0, 250, 200, .15), transparent 70%), var(--noche); }
.final__inner { max-width: 780px; }
.final .kicker { color: #9C8CC4; }
.final h2 { color: var(--blanco); font-size: clamp(2rem, 4.4vw, 3.3rem); letter-spacing: -.01em; }
.final h2 span { background: linear-gradient(90deg, var(--violeta-claro), var(--aqua)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.final__inner > p:not(.kicker):not(.final__meta) { margin: 18px auto 0; max-width: 52ch; }
.final__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.final__meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 28px; margin-top: 30px; font-family: var(--f-mono); font-size: .74rem; color: #9C8CC4; }
.final__meta a:hover { color: var(--aqua); }

/* ---------- Footer ---------- */
.footer { background: #08040F; color: #A99DC8; font-size: .86rem; padding-top: 60px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer__brand img { width: 110px; margin-bottom: 16px; }
.footer__brand p { max-width: 40ch; }
.footer h4 { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--blanco); margin-bottom: 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer a:hover { color: var(--aqua); }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 46px; padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .08); font-family: var(--f-mono); font-size: .7rem; }

.wafloat { position: fixed; right: 20px; bottom: 20px; z-index: 60; display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; background: var(--wa); color: var(--blanco); box-shadow: 0 10px 30px -8px rgba(0, 0, 0, .5); }
.wafloat svg { width: 28px; height: 28px; }

/* ---------- Movimiento ---------- */
@media (prefers-reduced-motion: no-preference) {
  .hero__copy > * { animation: subir .7s cubic-bezier(.2, .7, .2, 1) both; }
  .hero__copy > :nth-child(2) { animation-delay: .07s; }
  .hero__copy > :nth-child(n+3) { animation-delay: .14s; }
  .node { animation: subir .8s .3s both; }
  .node--main { animation: subir .8s .2s both, latido 3.5s 1.2s ease-in-out infinite; }
}
@keyframes subir { from { opacity: 0; transform: translateY(14px); } }
@keyframes latido { 50% { box-shadow: 0 0 0 10px rgba(100, 50, 200, .12), 0 0 70px rgba(100, 50, 200, .9); } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker__track { animation: none; flex-wrap: wrap; width: auto; }
  .ticker span[aria-hidden] { display: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .nav__menu { gap: 18px; }
  .brand__tag { display: none; }
  .feature { grid-template-columns: 1fr; padding: 34px; }
  .process, .legal { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav__toggle { display: block; }
  .nav__cta { display: none; }
  .nav__menu { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; gap: 0; padding: 8px 20px 20px; background: var(--noche); border-bottom: 1px solid rgba(255, 255, 255, .08); }
  .nav__menu.is-open { display: flex; }
  .nav__menu a:not(.btn) { padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .06); }
  .nav__mob { display: inline-flex; margin-top: 12px; }
  .nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero__inner { grid-template-columns: 1fr; padding-top: 50px; padding-bottom: 0; }
  .hero__visual { height: 420px; }
  .node { width: 96px; height: 96px; font-size: .56rem; }
  .node--main { width: 108px; height: 108px; }
  .cards--3, .urgent { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  body { font-size: 15px; }
  .section { padding: 72px 0; }
  .cards--3, .urgent { grid-template-columns: 1fr; }
  .feature, .band, .criteria, .urgent__card { padding: 26px 22px; }
  .steps { padding: 6px 18px; }
  .panel code { font-size: .66rem; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__visual { height: 380px; }
  .node--a { left: -4px; bottom: 50px; }
  .node--c { right: -4px; bottom: 16px; }
  .node--main { top: 10px; }
  .brand img { width: 76px; }
  .kicker { font-size: .74rem; letter-spacing: .08em; }
}