/* ============================================================
   SOLUCIONES TI — Hoja de estilos
   Paleta tecnológica: azul / cian / morado sobre fondo oscuro
   ============================================================ */

:root {
  --blue:   #2563EB;
  --cyan:   #06B6D4;
  --purple: #7C3AED;
  --dark:   #0F172A;
  --dark-2: #1E293B;
  --light:  #F8FAFC;
  --gray:   #64748B;
  --gray-2: #94A3B8;
  --white:  #FFFFFF;

  --grad: linear-gradient(135deg, var(--blue), var(--purple));
  --grad-2: linear-gradient(135deg, var(--cyan), var(--blue));
  --grad-text: linear-gradient(135deg, #38BDF8, #818CF8, #C084FC);

  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 20px 45px -20px rgba(15, 23, 42, .35);
  --shadow-lg: 0 30px 60px -20px rgba(37, 99, 235, .45);
  --container: 1140px;
  --font-display: "Space Grotesk", "Poppins", system-ui, sans-serif;
  --font-head: "Poppins", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; color: var(--dark); }

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: 15px;
  padding: 13px 24px; border-radius: 999px; border: 0; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--lg { padding: 16px 30px; font-size: 16px; }
.btn--primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-lg); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 36px 70px -22px rgba(124,58,237,.55); }
.btn--ghost { background: transparent; color: var(--dark); border: 2px solid rgba(37,99,235,.25); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--blue); }
.btn--light:hover { transform: translateY(-2px); }

.badge {
  display: inline-block; padding: 8px 16px; border-radius: 999px;
  background: rgba(56,189,248,.12); color: #38BDF8; font-weight: 600; font-size: 14px;
  border: 1px solid rgba(56,189,248,.25);
}

.eyebrow {
  display: inline-block; font-family: var(--font-head); font-weight: 700;
  text-transform: uppercase; letter-spacing: .12em; font-size: 13px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; margin-bottom: 12px;
}

/* ---------- Header ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.85); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15,23,42,.06);
  transition: box-shadow .3s ease;
}
.header.scrolled { box-shadow: 0 10px 30px -15px rgba(15,23,42,.25); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }

.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__mark { width: 40px; height: 40px; flex: 0 0 auto; display: grid; place-items: center; filter: drop-shadow(0 8px 16px rgba(124,58,237,.4)); }
.brand__mark svg { width: 100%; height: 100%; display: block; }
.brand__word { font-family: var(--font-display); font-weight: 700; font-size: 23px; line-height: 1; letter-spacing: -.01em; display: inline-flex; align-items: baseline; gap: 6px; }
.brand__word-main { color: var(--blue); }
.brand__word-accent { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.brand__word-mx { font-size: 12px; font-weight: 600; color: var(--gray); letter-spacing: .14em; align-self: center; }
/* Variante footer (fondo oscuro) */
.brand--footer .brand__word { font-size: 21px; }
.brand--footer .brand__mark { width: 36px; height: 36px; }
.brand--footer .brand__word-main { color: #fff; }
.brand--footer .brand__word-mx { color: var(--gray-2); }

.nav { display: flex; gap: 22px; }
.nav__link { font-weight: 500; color: var(--dark-2); position: relative; transition: color .2s; }
.nav__link::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--grad); transition: width .25s; }
.nav__link:hover { color: var(--blue); }
.nav__link:hover::after { width: 100%; }

.header__actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
  border: 1px solid rgba(15,23,42,.15); background: #fff; border-radius: 999px;
  padding: 7px 12px; font-family: var(--font-head); font-weight: 700; font-size: 13px;
  cursor: pointer; color: var(--dark-2); transition: border-color .2s, color .2s;
}
.lang-toggle:hover { border-color: var(--blue); color: var(--blue); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--dark); border-radius: 2px; transition: .3s; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 140px 0 90px; overflow: hidden; background: var(--dark); color: #fff; }
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(600px circle at 15% 20%, rgba(37,99,235,.35), transparent 60%),
    radial-gradient(600px circle at 85% 30%, rgba(124,58,237,.35), transparent 60%),
    radial-gradient(500px circle at 60% 90%, rgba(6,182,212,.25), transparent 60%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.hero__content { max-width: 620px; }
.hero h1, .hero h2, .hero h3 { color: #fff; }
.hero__title { font-family: var(--font-display); font-size: clamp(34px, 5vw, 58px); font-weight: 700; letter-spacing: -.02em; margin: 18px 0 8px; }
.hero__slogan { font-family: var(--font-head); font-weight: 600; font-style: italic; font-size: clamp(16px, 2.2vw, 20px); background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 18px; }
.hero__subtitle { font-size: 18px; color: var(--gray-2); margin-bottom: 32px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn--ghost { color: #fff; border-color: rgba(255,255,255,.3); }
.hero .btn--ghost:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.08); }

.hero__trust { display: flex; gap: 36px; margin-top: 44px; flex-wrap: wrap; }
.trust-item { display: flex; flex-direction: column; }
.trust-item strong { font-family: var(--font-head); font-size: 28px; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.trust-item span { font-size: 14px; color: var(--gray-2); }

.hero__visual { position: relative; height: 380px; }
.hero__orb {
  position: absolute; inset: 0; margin: auto; width: 280px; height: 280px; border-radius: 50%;
  background: var(--grad); filter: blur(12px); opacity: .55; animation: float 6s ease-in-out infinite; z-index: 0;
}
.glass-card {
  position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.1); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.2); border-radius: 14px; padding: 14px 18px;
  font-weight: 600; font-size: 14px; box-shadow: 0 20px 40px -20px rgba(0,0,0,.5);
  animation: float 5s ease-in-out infinite;
}
.glass-card__icon { font-size: 20px; }
.glass-card--1 { top: 30px; left: 0; }
.glass-card--2 { top: 150px; right: 0; animation-delay: 1.2s; }
.glass-card--3 { bottom: 104px; left: 24px; animation-delay: .6s; }

@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* ---------- Carrusel del hero ---------- */
.hero-carousel {
  position: absolute; inset: 26px; z-index: 1; border-radius: 22px; overflow: hidden;
  display: flex; flex-direction: column;
  border: 1px solid rgba(255,255,255,.14); box-shadow: 0 30px 60px -24px rgba(0,0,0,.6);
}
.hcar__viewport { position: relative; flex: 1; overflow: hidden; }
.hcar__slide {
  position: absolute; inset: 0; margin: 0; padding: 24px; opacity: 0; transition: opacity .8s ease;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  color: #fff; text-align: center;
}
.hcar__slide.is-active { opacity: 1; }
.hcar__slide--1 { background: linear-gradient(140deg, #1E3A8A, #2563EB); }
.hcar__slide--2 { background: linear-gradient(140deg, #5B21B6, #7C3AED); }
.hcar__slide--3 { background: linear-gradient(140deg, #0E7490, #06B6D4); }
.hcar__slide--4 { background: linear-gradient(140deg, #1E40AF, #2563EB); }
.hcar__slide--5 { background: linear-gradient(140deg, #5B21B6, #7C3AED); }
.hcar__slide::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 72% 18%, rgba(255,255,255,.18), transparent 55%); }
.hcar__icon { position: relative; z-index: 1; font-size: 54px; filter: drop-shadow(0 6px 14px rgba(0,0,0,.35)); }
.hcar__slide figcaption { position: relative; z-index: 1; font-family: var(--font-head); font-weight: 600; font-size: 16px; max-width: 82%; }
/* Miniaturas (navegación del carrusel) */
.hcar__thumbs { display: flex; gap: 8px; padding: 10px; z-index: 2; background: rgba(15,23,42,.55); backdrop-filter: blur(6px); }
.hcar__thumb {
  flex: 1; height: 46px; border-radius: 10px; border: 2px solid transparent; cursor: pointer;
  display: grid; place-items: center; font-size: 18px; color: #fff; opacity: .55; overflow: hidden;
  background-size: cover; background-position: center;
  transition: opacity .25s, border-color .25s, transform .25s, box-shadow .25s;
}
.hcar__thumb span { filter: drop-shadow(0 2px 5px rgba(0,0,0,.6)); }
.hcar__thumb--1 { background: linear-gradient(140deg, #1E3A8A, #2563EB); }
.hcar__thumb--2 { background: linear-gradient(140deg, #5B21B6, #7C3AED); }
.hcar__thumb--3 { background: linear-gradient(140deg, #0E7490, #06B6D4); }
.hcar__thumb--4 { background: linear-gradient(140deg, #1E40AF, #2563EB); }
.hcar__thumb--5 { background: linear-gradient(140deg, #5B21B6, #7C3AED); }
.hcar__thumb.is-active { opacity: 1; border-color: #fff; transform: translateY(-2px); box-shadow: 0 8px 18px -8px rgba(0,0,0,.55); }

/* ---------- Marcas ---------- */
.brands { padding: 36px 0; background: var(--light); border-bottom: 1px solid rgba(15,23,42,.05); }
.brands__label { text-align: center; color: var(--gray); font-size: 14px; margin-bottom: 18px; font-weight: 500; }
.brands__marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.brands__track { display: flex; gap: 14px; width: max-content; animation: marquee 26s linear infinite; }
.brands__marquee:hover .brands__track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.brand-chip {
  flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center;
  height: 64px; padding: 0 26px; background: #fff; border-radius: 14px;
  border: 1px solid rgba(15,23,42,.08); box-shadow: var(--shadow);
}
.brand-chip__img { height: 30px; width: auto; max-width: 150px; object-fit: contain; display: block; }
@media (prefers-reduced-motion: reduce) { .brands__track { animation: none; } }

/* ---------- Secciones genéricas ---------- */
.section { padding: 90px 0; }
.section--alt { background: var(--light); }
.section__head { text-align: center; max-width: 680px; margin: 0 auto 54px; }
.section__title { font-family: var(--font-display); font-size: clamp(28px, 4vw, 42px); font-weight: 700; letter-spacing: -.02em; margin-bottom: 14px; }
.section__lead { color: var(--gray); font-size: 17px; }

/* ---------- Tarjetas de servicios ---------- */
.cards { display: flex; flex-wrap: wrap; gap: 26px; justify-content: center; }
.card {
  flex: 0 1 calc(33.333% - 18px); min-width: 260px;
  background: #fff; border: 1px solid rgba(15,23,42,.07); border-radius: var(--radius);
  padding: 32px 28px; box-shadow: var(--shadow); transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card__icon {
  width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center;
  font-size: 26px; margin-bottom: 18px; color: #fff;
}
.card__icon--blue { background: var(--grad); }
.card__icon--purple { background: linear-gradient(135deg, var(--purple), #C084FC); }
.card__icon--cyan { background: var(--grad-2); }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--gray); font-size: 15px; }
.card--cta { background: var(--grad); color: #fff; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.card--cta h3, .card--cta p { color: #fff; }
.card--cta p { opacity: .9; margin-bottom: 18px; }

/* ---------- Beneficios (externalizar TI) ---------- */
.benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.benefit {
  background: #fff; border: 1px solid rgba(15,23,42,.07); border-radius: var(--radius);
  padding: 30px 24px; text-align: center; box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.benefit:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.benefit__icon {
  width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%;
  display: grid; place-items: center; font-size: 28px;
  background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.12));
}
.benefit h3 { font-size: 18px; margin-bottom: 8px; }
.benefit p { color: var(--gray); font-size: 14px; }

/* ---------- CTA bajo servicios ---------- */
.serv-cta { text-align: center; margin-top: 38px; }
.serv-cta p { color: var(--gray); font-size: 16px; margin-bottom: 16px; }

/* ---------- Franja de IA ---------- */
.aiband { padding: 56px 0; }
.aiband__inner {
  position: relative; overflow: hidden; background: var(--grad); color: #fff;
  border-radius: 26px; padding: 44px 48px; display: flex; align-items: center; gap: 30px;
  box-shadow: var(--shadow-lg);
}
.aiband__inner::after {
  content: ""; position: absolute; right: -70px; top: -70px; width: 260px; height: 260px;
  border-radius: 50%; background: rgba(255,255,255,.16); filter: blur(8px);
}
.aiband__icon { font-size: 58px; flex: 0 0 auto; position: relative; z-index: 1; }
.aiband__text { flex: 1; position: relative; z-index: 1; }
.aiband__eyebrow { display: inline-block; font-family: var(--font-head); font-weight: 700; text-transform: uppercase; letter-spacing: .14em; font-size: 13px; opacity: .92; margin-bottom: 8px; }
.aiband__text h2 { color: #fff; font-family: var(--font-display); font-size: clamp(24px, 3.4vw, 36px); font-weight: 700; letter-spacing: -.02em; margin-bottom: 10px; }
.aiband__text p { color: rgba(255,255,255,.92); max-width: 640px; }
.aiband__cta { flex: 0 0 auto; position: relative; z-index: 1; }

/* ---------- Nosotros ---------- */
.about { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center; }
.about__imgph {
  aspect-ratio: 4/3; border-radius: var(--radius); background: var(--grad);
  display: grid; place-items: center; color: #fff; box-shadow: var(--shadow-lg);
}
.about__imgph span { font-size: 70px; }
.about__imgph small { position: relative; top: 8px; opacity: .85; }
.about__content p { color: var(--gray); margin-bottom: 20px; }
.checklist { display: grid; gap: 12px; margin-bottom: 28px; }
.checklist li { font-weight: 500; color: var(--dark-2); }

/* ---------- Portafolio ---------- */
.gallery { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; }
.gallery__item {
  flex: 0 1 calc(33.333% - 14px); min-width: 240px;
  aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden; position: relative;
  background-color: var(--dark-2); background-size: cover; background-position: center;
  color: #fff; cursor: pointer; border: 1px solid rgba(255,255,255,.06); transition: transform .25s;
}
/* Fondo = foto real (assets/) con degradado de respaldo por si la imagen aún no existe */
.gallery__item--1 { background-image: url('assets/Contpaq.png'),   linear-gradient(135deg, var(--dark-2), var(--dark)); }
.gallery__item--2 { background-image: url('assets/Nominas.png'),   linear-gradient(135deg, var(--dark-2), var(--dark)); }
.gallery__item--3 { background-image: url('assets/Camaras.png'),   linear-gradient(135deg, var(--dark-2), var(--dark)); }
.gallery__item--4 { background-image: url('assets/Respaldos.png'), linear-gradient(135deg, var(--dark-2), var(--dark)); }
.gallery__item--5 { background-image: url('assets/Licencias.png'), linear-gradient(135deg, var(--dark-2), var(--dark)); }
.gallery__item p { position: absolute; bottom: 0; left: 0; right: 0; padding: 14px; font-size: 14px; font-weight: 600;
  background: linear-gradient(transparent, rgba(0,0,0,.78)); }
.gallery__item:hover { transform: scale(1.02); }

/* ---------- Opiniones ---------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review { background: #fff; border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); border: 1px solid rgba(15,23,42,.06); }
.review__stars { color: #FBBF24; font-size: 18px; margin-bottom: 14px; letter-spacing: 2px; }
.review p { color: var(--dark-2); margin-bottom: 18px; font-style: italic; }
.review footer { display: flex; flex-direction: column; }
.review footer strong { font-family: var(--font-head); }
.review footer span { color: var(--gray); font-size: 14px; }

/* ---------- Precios ---------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan {
  background: #fff; border: 1px solid rgba(15,23,42,.08); border-radius: var(--radius);
  padding: 36px 28px; box-shadow: var(--shadow); display: flex; flex-direction: column; position: relative;
}
.plan--featured { background: var(--dark); color: #fff; transform: scale(1.04); box-shadow: var(--shadow-lg); }
.plan--featured h3, .plan--featured .plan__price strong { color: #fff; }
.plan__tag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--grad); color: #fff; padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 700; font-family: var(--font-head); }
.plan h3 { font-size: 22px; margin-bottom: 10px; }
.plan__price { margin-bottom: 22px; }
.plan__price span { color: var(--gray); font-size: 14px; }
.plan__price strong { font-family: var(--font-head); font-size: 34px; color: var(--dark); }
.plan--featured .plan__price span { color: var(--gray-2); }
.plan ul { display: grid; gap: 12px; margin-bottom: 26px; flex: 1; }
.plan ul li { padding-left: 26px; position: relative; font-size: 15px; }
.plan ul li::before { content: "✔"; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }
.plan--featured ul li { color: var(--gray-2); }
.plan .btn { width: 100%; }
.plan--featured .btn--ghost { color: #fff; border-color: rgba(255,255,255,.3); }

/* ---------- Contacto ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: start; }
.contact__info p { color: var(--gray); margin-bottom: 24px; }
.contact__list { display: grid; gap: 14px; margin-bottom: 28px; }
.contact__list li { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.contact__list a:hover { color: var(--blue); }

.contact__form { background: #fff; border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); display: grid; grid-template-columns: 1fr 1fr; gap: 18px; border: 1px solid rgba(15,23,42,.06); }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 14px; color: var(--dark-2); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 15px; padding: 12px 14px;
  border: 1px solid rgba(15,23,42,.15); border-radius: var(--radius-sm); background: var(--light);
  transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.15); background: #fff;
}
.form__note { text-align: center; color: var(--gray); font-size: 13px; }

/* ---------- Footer ---------- */
.footer { background: var(--dark); color: var(--gray-2); padding: 60px 0 0; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer__brand .brand__name { font-size: 22px; }
.footer__brand p { margin-top: 12px; max-width: 320px; }
.footer__col h4 { color: #fff; margin-bottom: 16px; font-size: 16px; }
.footer__col a, .footer__col span { display: block; color: var(--gray-2); margin-bottom: 10px; transition: color .2s; }
.footer__col a:hover { color: var(--cyan); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; font-size: 14px; }
.footer__bottom-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.visits { display: inline-flex; align-items: center; gap: 6px; color: var(--gray-2); }
.visits strong { color: var(--cyan); font-family: var(--font-head); font-weight: 700; }

/* ---------- Indicador de sección (scroll-spy) ---------- */
.scrollspy { position: fixed; right: 22px; top: 50%; transform: translateY(-50%); z-index: 80; display: flex; flex-direction: column; align-items: center; gap: 13px; }
.scrollspy__dot { position: relative; width: 11px; height: 11px; border-radius: 50%; background: rgba(148,163,184,.55); transition: background .25s, height .25s, box-shadow .25s; }
.scrollspy__dot:hover { background: var(--blue); }
.scrollspy__dot.is-active { height: 26px; border-radius: 6px; background: var(--grad); animation: spy-pulse 1.2s infinite; }
@keyframes spy-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(37,99,235,.55); }
  70%  { box-shadow: 0 0 0 10px rgba(37,99,235,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,99,235,0); }
}
.scrollspy__dot::after {
  content: attr(data-label); position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%);
  white-space: nowrap; background: var(--dark); color: #fff; padding: 5px 10px; border-radius: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: 12px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.scrollspy__dot:hover::after { opacity: 1; }
@media (max-width: 920px) { .scrollspy { display: none; } }

/* ---------- WhatsApp flotante + mensaje (tooltip) ---------- */
.wa-fab { position: fixed; right: 24px; bottom: 24px; z-index: 90; }
.wa-float {
  position: relative; display: grid; place-items: center;
  width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff;
  box-shadow: 0 14px 30px -8px rgba(37,211,102,.6);
  transition: transform .2s; animation: pulse 2.5s infinite;
}
.wa-float:hover { transform: scale(1.08); }
.wa-fab__tip {
  position: absolute; bottom: calc(100% + 16px); right: 0; width: min(264px, 76vw);
  background: var(--dark); color: #fff; padding: 14px 16px; border-radius: 16px;
  font-size: 13.5px; line-height: 1.5; text-align: left;
  border: 1px solid rgba(255,255,255,.08); box-shadow: 0 22px 46px -14px rgba(0,0,0,.55);
  opacity: 0; visibility: hidden; transform: translateY(10px) scale(.96); transform-origin: bottom right;
  transition: opacity .25s ease, transform .25s ease, visibility .25s; pointer-events: none;
}
.wa-fab__tip strong { color: #4ADE80; }
.wa-fab__tip::after {
  content: ""; position: absolute; bottom: -8px; right: 20px;
  border-left: 9px solid transparent; border-right: 9px solid transparent; border-top: 9px solid var(--dark);
}
.wa-fab:hover .wa-fab__tip { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); } 70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }

/* ---------- Animación de aparición ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 920px) {
  .nav {
    position: fixed; top: 70px; right: 0; left: 0; flex-direction: column; gap: 0;
    background: #fff; padding: 10px 24px 20px; box-shadow: var(--shadow);
    transform: translateY(-150%); transition: transform .3s ease; align-items: flex-start;
  }
  .nav.open { transform: translateY(0); }
  .nav__link { padding: 12px 0; width: 100%; border-bottom: 1px solid rgba(15,23,42,.06); }
  .nav-toggle { display: flex; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .reviews, .benefits { grid-template-columns: repeat(2, 1fr); }
  .card { flex-basis: calc(50% - 13px); }
  .gallery__item { flex-basis: calc(50% - 10px); }
  .pricing { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .plan--featured { transform: none; }
  .about, .contact { grid-template-columns: 1fr; }
  .header .btn--primary { display: none; }
  .aiband__inner { flex-direction: column; text-align: center; padding: 36px 26px; gap: 18px; }
  .aiband__text p { margin: 0 auto; }
}

@media (max-width: 560px) {
  .reviews, .benefits { grid-template-columns: 1fr; }
  .card, .gallery__item { flex-basis: 100%; }
  .contact__form { grid-template-columns: 1fr; padding: 24px; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .hero__trust { gap: 22px; }
  .section { padding: 64px 0; }
  .brand__word { font-size: 20px; }
  .brand__mark { width: 35px; height: 35px; }
}