/* ==========================================================================
   FastSolutions — Sistema de diseño corporativo
   Paleta derivada del logotipo oficial:
   cian  #00C3F3 · azul marca #00A4CF · azul profundo #0F6FB4
   ========================================================================== */

:root {
  /* Marca */
  --navy-950: #04182a;
  --navy-900: #062a44;
  --navy-800: #0a3a5c;
  --brand-700: #0b5990;
  --brand-600: #0f6fb4;
  --brand-500: #00a4cf;
  --accent: #00c3f3;
  --accent-soft: #e8f7fe;

  /* Neutros */
  --ink-900: #0d1b26;
  --ink-700: #33505f;
  --ink-500: #62808f;
  --line: #e3ecf3;
  --line-strong: #cfdde8;
  --surface: #ffffff;
  --surface-2: #f6fafd;
  --surface-3: #edf4f9;

  /* Tipografía */
  --font-display: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  /* Métrica */
  --container: 1200px;
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --section-y: 96px;
  --header-h: 76px;

  --shadow-sm: 0 1px 2px rgba(13, 27, 38, .06);
  --shadow-md: 0 8px 24px -12px rgba(13, 27, 38, .18);
  --shadow-lg: 0 24px 60px -28px rgba(6, 42, 68, .45);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* --------------------------------------------------------------- Base --- */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink-700);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink-900);
  line-height: 1.16;
  letter-spacing: -.02em;
  margin: 0 0 .5em;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 1.35rem + 2.7vw, 3.55rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 1.2rem + 1.7vw, 2.5rem); }
h3 { font-size: clamp(1.12rem, 1rem + .45vw, 1.35rem); }
h4 { font-size: 1.02rem; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--brand-600); text-decoration: none; transition: color .18s var(--ease); }
a:hover { color: var(--brand-700); }

img, svg { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--navy-900);
  color: #fff;
  padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------ Secciones --- */

.section { padding: var(--section-y) 0; }
.section--tight { padding: calc(var(--section-y) * .66) 0; }
.section--alt { background: var(--surface-2); }
.section--line { border-top: 1px solid var(--line); }

.section-head { max-width: 760px; margin-bottom: 52px; }
#contacto .section-head { margin-bottom: 24px; }
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand-600);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-head--center .eyebrow { justify-content: center; }

.lead {
  font-size: 1.08rem;
  color: var(--ink-500);
  max-width: 68ch;
}
.lead strong,
p strong {
  color: var(--ink-900);
  font-weight: 700;
}

.about-why {
  font-size: 1.08rem;
  margin: 6px 0 16px;
}

.about-pillars {
  display: grid;
  gap: 16px;
}
.about-pillars li {
  position: relative;
  padding-left: 22px;
  color: var(--ink-500);
  font-size: .98rem;
  line-height: 1.6;
}
.about-pillars li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--brand-500);
}
.about-pillars strong {
  color: var(--ink-900);
  font-weight: 700;
}

/* --------------------------------------------------------------- Botón --- */

.btn {
  --btn-bg: var(--brand-600);
  --btn-fg: #fff;
  --btn-bd: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border: 1px solid var(--btn-bd);
  border-radius: 10px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease),
              background-color .18s var(--ease), color .18s var(--ease),
              border-color .18s var(--ease);
}
.btn:hover { transform: translateY(-2px); color: var(--btn-fg); }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--primary { box-shadow: 0 10px 24px -14px rgba(15, 111, 180, .9); }
.btn--primary:hover { --btn-bg: var(--brand-700); box-shadow: 0 16px 30px -16px rgba(15, 111, 180, .95); }

.btn--accent { --btn-bg: var(--accent); --btn-fg: var(--navy-950); }
.btn--accent:hover { --btn-bg: #37d2fb; }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink-900); --btn-bd: var(--line-strong); }
.btn--ghost:hover { --btn-bd: var(--brand-500); --btn-fg: var(--brand-700); }

.btn--ghost-light { --btn-bg: rgba(255, 255, 255, .06); --btn-fg: #fff; --btn-bd: rgba(255, 255, 255, .28); }
.btn--ghost-light:hover { --btn-bg: rgba(255, 255, 255, .14); --btn-bd: rgba(255, 255, 255, .5); }

/* Verde oficial de la marca WhatsApp. */
.btn--wa { --btn-bg: #25d366; --btn-fg: #fff; }
.btn--wa:hover { --btn-bg: #1dbf5a; }

.btn--sm { padding: 10px 18px; font-size: .88rem; }
.btn--block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .92rem;
}
.link-arrow svg { width: 16px; height: 16px; transition: transform .2s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* -------------------------------------------------------------- Header --- */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s var(--ease);
  overflow: visible;
}
.header.is-stuck { box-shadow: 0 10px 30px -22px rgba(6, 42, 68, .55); }

.header .container {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; flex: 0 1 auto; min-width: 0; }
.brand img { width: 218px; max-width: 100%; height: auto; }

.nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; }

.nav-link {
  position: relative;
  display: block;
  padding: 10px 11px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: .93rem;
  font-weight: 600;
  color: var(--ink-700);
}
.nav-link:hover { color: var(--brand-700); background: var(--surface-3); }
.nav-link[aria-current="page"] { color: var(--brand-700); }
.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.header-actions { display: flex; align-items: center; gap: 8px; flex: none; }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  margin-right: 0;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .04em;
  flex: none;
  white-space: nowrap;
}
.lang-switch__btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-600);
  padding: 6px 10px;
  cursor: pointer;
  line-height: 1;
  border-radius: 999px;
  min-width: 36px;
}
.lang-switch__btn:hover:not([aria-pressed="true"]) {
  color: var(--ink-900);
}
.lang-switch__btn[aria-pressed="true"] {
  background: var(--navy-950);
  color: #fff;
}

html[data-i18n-wait] {
  opacity: 0;
  animation: fs-i18n-show .01s 1.6s forwards;
}
@keyframes fs-i18n-show { to { opacity: 1; } }

.page-hero-actions { margin-top: 28px; }

/* Los CTA duplicados sólo existen dentro del panel de menú móvil. */
.nav-actions { display: none; }

.btn-label-short { display: none; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  color: var(--ink-900);
  flex: none;
}
.nav-toggle svg { width: 22px; height: 22px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* ---------------------------------------------------------------- Hero --- */

.hero {
  position: relative;
  overflow: hidden;
  background: var(--navy-950);
  color: rgba(255, 255, 255, .78);
  padding: clamp(64px, 4vw + 42px, 104px) 0 clamp(72px, 4vw + 48px, 112px);
}
.hero::before,
.hero::after { content: ""; position: absolute; pointer-events: none; }
.hero::before {
  inset: 0;
  background:
    radial-gradient(900px 480px at 78% 12%, rgba(0, 164, 207, .30), transparent 62%),
    radial-gradient(700px 420px at 6% 88%, rgba(0, 195, 243, .16), transparent 60%),
    linear-gradient(155deg, #04182a 0%, #062a44 55%, #073b5e 100%);
  background-color: var(--navy-950);
}
.hero::after {
  inset: 0;
  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: 64px 64px;
  mask-image: radial-gradient(75% 65% at 50% 38%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(75% 65% at 50% 38%, #000 40%, transparent 100%);
}
.hero > .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: clamp(32px, 4vw, 64px);
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 15px 7px 11px;
  border: 1px solid rgba(0, 195, 243, .35);
  border-radius: 999px;
  background: rgba(0, 195, 243, .10);
  color: #bfeeff;
  font-size: .82rem;
  font-weight: 500;
  margin-bottom: 22px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 195, 243, .18);
}

.hero h1 { color: #fff; margin-bottom: 20px; }
.hero h1 .accent { color: var(--accent); }

.hero-sub {
  font-size: clamp(1.02rem, .95rem + .35vw, 1.18rem);
  color: rgba(255, 255, 255, .74);
  max-width: 56ch;
  margin-bottom: 30px;
}

.hero-capabilities {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero-capabilities li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  font-size: .86rem;
  color: rgba(255, 255, 255, .82);
}
.hero-capabilities svg { width: 15px; height: 15px; color: var(--accent); flex: none; }

/* Composición visual del hero (software + infraestructura + automatización) */

.hero-visual { position: relative; min-height: 420px; }

.mock {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, .14);
  background: linear-gradient(170deg, rgba(10, 58, 92, .96), rgba(4, 24, 42, .96));
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(6px);
}

.mock-app { position: relative; z-index: 2; overflow: hidden; }

.mock-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .10);
  background: rgba(255, 255, 255, .04);
}
.mock-bar .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .22); }
.mock-bar .dot:nth-child(2) { background: rgba(255, 255, 255, .16); }
.mock-bar .dot:nth-child(3) { background: rgba(255, 255, 255, .12); }
.mock-bar .title {
  margin-left: 10px;
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 600;
  color: rgba(255, 255, 255, .62);
  letter-spacing: .04em;
}

.mock-body { padding: 20px; }

.mock-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.mock-kpi {
  padding: 12px 13px;
  border: 1px solid rgba(255, 255, 255, .10);
  border-radius: 11px;
  background: rgba(255, 255, 255, .04);
}
.mock-kpi span {
  display: block;
  font-size: .66rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .45);
  margin-bottom: 6px;
}
.mock-kpi b {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: #fff;
  font-weight: 700;
}
.mock-kpi b em { font-style: normal; color: var(--accent); font-size: .72rem; margin-left: 4px; }

.mock-chart {
  display: flex;
  align-items: flex-end;
  gap: 9px;
  height: 150px;
  padding: 14px 14px 0;
  border: 1px solid rgba(255, 255, 255, .10);
  border-radius: 11px;
  background: rgba(255, 255, 255, .03);
}
.mock-chart i {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--accent), rgba(0, 164, 207, .35));
  transform-origin: bottom;
  animation: bar-rise .9s var(--ease) backwards;
}
.mock-chart i:nth-child(1) { height: 42%; animation-delay: .05s; }
.mock-chart i:nth-child(2) { height: 62%; animation-delay: .12s; }
.mock-chart i:nth-child(3) { height: 38%; animation-delay: .19s; }
.mock-chart i:nth-child(4) { height: 78%; animation-delay: .26s; }
.mock-chart i:nth-child(5) { height: 55%; animation-delay: .33s; }
.mock-chart i:nth-child(6) { height: 92%; animation-delay: .40s; }
.mock-chart i:nth-child(7) { height: 70%; animation-delay: .47s; opacity: .55; }

@keyframes bar-rise { from { transform: scaleY(.05); opacity: 0; } }

.mock-rows { margin-top: 16px; display: grid; gap: 9px; }
.mock-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .76rem;
  color: rgba(255, 255, 255, .6);
}
.mock-row .bar {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .10);
  overflow: hidden;
}
.mock-row .bar b { display: block; height: 100%; border-radius: 3px; background: var(--brand-500); }

.mock-float {
  position: absolute;
  z-index: 3;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(6, 42, 68, .92);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
}
/* Las tarjetas flotantes cuelgan de las esquinas: sólo deben solaparse con el
   borde del panel, nunca sobre los datos del dashboard. */
.mock-float--db { left: -8%; bottom: -11%; width: 232px; animation: float-y 7s ease-in-out infinite; }
.mock-float--plc { right: -6%; top: -9%; width: 206px; animation: float-y 8s ease-in-out infinite reverse; }

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.mock-float .head {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}
.mock-float .head svg { width: 17px; height: 17px; color: var(--accent); flex: none; }
.mock-float .meta { font-size: .73rem; color: rgba(255, 255, 255, .55); }
.mock-float ul { display: grid; gap: 7px; }
.mock-float li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: .75rem;
  color: rgba(255, 255, 255, .66);
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #5ce0a8;
}
.status::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(92, 224, 168, .16);
  animation: pulse 2.4s ease-in-out infinite;
}
.status--cyan { color: var(--accent); }
.status--cyan::before { box-shadow: 0 0 0 3px rgba(0, 195, 243, .18); }

@keyframes pulse { 50% { opacity: .45; } }

/* --------------------------------------------------------- Franja logos --- */

.strip {
  background: var(--navy-900);
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 22px 0;
}
.strip-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px 32px;
}
.strip-list li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, .72);
  font-family: var(--font-display);
  font-size: .86rem;
  font-weight: 600;
}
.strip-list svg { width: 19px; height: 19px; color: var(--accent); flex: none; }

/* -------------------------------------------------------------- Tarjeta --- */

.grid { display: grid; gap: 22px; }
.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)); }
.grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.card::after {
  content: "";
  position: absolute;
  left: 28px; right: 28px; top: 0;
  height: 2px;
  border-radius: 0 0 2px 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.card:hover::after { transform: scaleX(1); }

.card h3 { margin-bottom: 8px; }
.card p { font-size: .95rem; color: var(--ink-500); }
.card .link-arrow { margin-top: auto; padding-top: 16px; }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  margin-bottom: 18px;
  border-radius: 13px;
  background: var(--accent-soft);
  color: var(--brand-600);
  flex: none;
}
.card-icon svg { width: 25px; height: 25px; }

.card--flat { box-shadow: none; background: var(--surface-2); }
.card--flat:hover { transform: none; box-shadow: var(--shadow-sm); }

.card-list { margin-top: 14px; display: grid; gap: 8px; }
.card-list li {
  position: relative;
  padding-left: 22px;
  font-size: .91rem;
  color: var(--ink-500);
}
.card-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: .62em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--brand-500);
}
.card-list--modules { gap: 12px; }
.card-list--modules li { line-height: 1.45; }
.card-list--modules b {
  display: block;
  color: var(--ink-900);
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: 2px;
}

/* Variante numerada: icono a la izquierda y correlativo 01–06 a la derecha. */
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.card-head .card-icon { margin-bottom: 0; }

.card-num {
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--brand-500);
}

.card--num .card-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
}
.card--num .card-icon svg { width: 22px; height: 22px; }
.card--num h3 { font-size: 1.14rem; }

/* --------------------------------------------------------- Soluciones --- */

.solution {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 36px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.solution + .solution { margin-top: 22px; }
.solution-aside .card-icon { margin-bottom: 16px; }
.solution-aside h3 { font-size: 1.32rem; }
.solution-aside p { font-size: .95rem; color: var(--ink-500); }
.solution-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px 26px;
  align-content: start;
}
.tick {
  position: relative;
  padding-left: 27px;
  font-size: .93rem;
  color: var(--ink-700);
}
.tick::before {
  content: "";
  position: absolute;
  left: 0; top: .34em;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f6fb4' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 11px no-repeat;
}

.solution-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px 28px;
  align-content: start;
}
.solution-groups h4 {
  margin: 0 0 12px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brand-600);
}
.solution-groups .solution-cols {
  grid-template-columns: 1fr;
}

/* ---------------------------------------------------------- Producto --- */

.product {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.product:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }

.product-media {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, var(--surface-3), #fff);
  border-bottom: 1px solid var(--line);
  color: var(--brand-600);
}
.product-media svg { width: 40%; height: auto; opacity: .92; }
.product-tag {
  position: absolute;
  top: 12px; left: 12px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(4, 24, 42, .82);
  color: #fff;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.product-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.product-body h3 { font-size: 1.05rem; margin-bottom: 4px; }
.product-meta { font-size: .8rem; color: var(--ink-500); margin-bottom: 12px; }
.product-body ul { display: grid; gap: 6px; margin-bottom: 18px; }
.product-body ul li { font-size: .87rem; color: var(--ink-500); padding-left: 16px; position: relative; }
.product-body ul li::before {
  content: "";
  position: absolute;
  left: 0; top: .6em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-500);
}
.product-body .btn { margin-top: auto; }

/* ---------------------------------------------------------- Proyectos --- */

.filters { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 34px; }
.filter {
  padding: 9px 17px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-700);
  font-family: var(--font-display);
  font-size: .87rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s var(--ease);
}
.filter:hover { border-color: var(--brand-500); color: var(--brand-700); }
.filter.is-active { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }

.project {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.project:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.project[hidden] { display: none; }

.project-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(155deg, var(--navy-900), var(--navy-950));
  display: grid;
  place-items: center;
  overflow: hidden;
}
.project-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 34px 34px;
}
.project-media svg { position: relative; width: 58%; color: var(--accent); opacity: .9; }
.project-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.project-media:has(img)::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 72px;
  background: linear-gradient(180deg, rgba(4, 24, 42, .55), transparent);
  pointer-events: none;
}
.project-cat {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 1;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(0, 195, 243, .16);
  border: 1px solid rgba(0, 195, 243, .38);
  color: #bfeeff;
  font-size: .69rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.project-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.project-body h3 { font-size: 1.14rem; margin-bottom: 4px; }
.project-sector { font-size: .82rem; color: var(--brand-600); font-weight: 600; margin-bottom: 16px; }

.project-block { margin-bottom: 13px; }
.project-block dt {
  font-family: var(--font-display);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-900);
  margin-bottom: 3px;
}
.project-block dd { margin: 0; font-size: .9rem; color: var(--ink-500); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 18px; }
.chip {
  padding: 4px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface-2);
  font-size: .74rem;
  font-weight: 600;
  color: var(--ink-700);
}
.project-body .btn { margin-top: auto; }

/* ----------------------------------------------------------- Proceso --- */

.process {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
  counter-reset: step;
}
.step { position: relative; padding-top: 34px; }
.step::before {
  content: "";
  position: absolute;
  top: 13px; left: 0; right: -20px;
  height: 2px;
  background: linear-gradient(90deg, var(--line-strong), var(--line));
}
.step:last-child::before { right: 0; }
.step-num {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  margin-top: -48px;
  border-radius: 50%;
  background: var(--navy-900);
  color: #fff;
  font-family: var(--font-display);
  font-size: .76rem;
  font-weight: 700;
  outline: 5px solid var(--surface-2);
}
.section:not(.section--alt) .step-num { outline-color: #fff; }
.step h3 { font-size: 1.04rem; margin: 16px 0 6px; }
.step p { font-size: .9rem; color: var(--ink-500); }

/* ------------------------------------------------------ Diferenciadores --- */

.feature {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--brand-600);
}
.feature-icon svg { width: 22px; height: 22px; }
.feature h3 { font-size: 1.04rem; margin-bottom: 5px; }
.feature p { font-size: .92rem; color: var(--ink-500); }

/* ------------------------------------------------------------- Stack --- */

.stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 22px;
}
.stack-group {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.stack-group h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-900);
  margin-bottom: 16px;
}
.stack-group h3 svg { width: 18px; height: 18px; color: var(--brand-600); }
.stack-group ul { display: flex; flex-wrap: wrap; gap: 7px; }
.stack-group li {
  padding: 6px 12px;
  border-radius: 7px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  font-size: .84rem;
  font-weight: 500;
  color: var(--ink-700);
}

/* --------------------------------------------------------------- CTA --- */

.cta {
  position: relative;
  overflow: hidden;
  background: var(--navy-950);
  color: rgba(255, 255, 255, .76);
  padding: clamp(56px, 5vw, 88px) 0;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(760px 420px at 85% 20%, rgba(0, 164, 207, .28), transparent 60%),
    radial-gradient(520px 300px at 10% 90%, rgba(0, 195, 243, .14), transparent 62%);
}
.cta > .container { position: relative; }
.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
}
.cta h2 { color: #fff; max-width: 22ch; }
.cta p { color: rgba(255, 255, 255, .7); max-width: 60ch; margin-bottom: 0; }

/* ------------------------------------------------------------- Banda --- */

.callout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding: 30px 34px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface-2);
}
.callout h3 { margin-bottom: 4px; }
.callout p { font-size: .95rem; color: var(--ink-500); }

/* ---------------------------------------------------------- Formulario --- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: 40px;
  align-items: start;
}

.form-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-md);
}
.form-card h2 { font-size: 1.5rem; margin-bottom: 4px; }
.form-card-head {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 18px;
}
.form-card-head .card-icon { margin-bottom: 0; }
.form-card-head p { margin: 0; font-size: .95rem; color: var(--ink-500); }
.form-card-head .form-promise {
  margin: 10px 0 0;
  font-size: .86rem;
  font-weight: 600;
  color: var(--brand-600);
}

.tick strong {
  color: var(--ink-900);
  font-weight: 700;
}

.form-req-box {
  margin: 0 0 22px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid #d5eef8;
}
.form-req-box strong {
  display: block;
  font-family: var(--font-display);
  font-size: .86rem;
  color: var(--ink-900);
}
.form-req-box .req { color: #d9534f; margin-right: 4px; }
.form-req-box p { margin: 4px 0 0; font-size: .82rem; color: var(--ink-500); }

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 600;
  color: var(--ink-900);
}
.field label .req { color: #d9534f; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #fff;
  font-family: inherit;
  font-size: .95rem;
  color: var(--ink-900);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field textarea { resize: vertical; min-height: 130px; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2362808f' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  background-size: 17px;
  padding-right: 40px;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(0, 164, 207, .16);
}
.field .hint { font-size: .78rem; color: var(--ink-500); }
.field .error { font-size: .78rem; color: #c33c38; display: none; }
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #d9534f; }
.field.has-error .error { display: block; }

.consent {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 11px;
  align-items: start;
  font-size: .86rem;
  color: var(--ink-500);
}
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--brand-600); }

.form-status {
  display: none;
  gap: 11px;
  align-items: flex-start;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: .9rem;
}
.form-status.is-visible { display: flex; }
.form-status--ok { background: #e9f8f0; border: 1px solid #b8e6cd; color: #1b6b45; }
.form-status--warn { background: #fff6e6; border: 1px solid #f3dcae; color: #8a5d12; }
.form-status--err { background: #fdecea; border: 1px solid #f3c0bc; color: #9b2c28; }
.form-status svg { width: 19px; height: 19px; flex: none; margin-top: 1px; }

.info-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}
.info-card + .info-card { margin-top: 20px; }
.info-card h3 { font-size: 1.1rem; margin-bottom: 16px; }
.info-list { display: grid; gap: 16px; }
.info-list li { display: grid; grid-template-columns: 40px 1fr; gap: 13px; align-items: start; }
.info-list .ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 11px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--brand-600);
}
.info-list .ico svg { width: 19px; height: 19px; }
.info-list dt {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-900);
}
.info-list dd { margin: 2px 0 0; font-size: .93rem; color: var(--ink-500); }

.placeholder {
  display: inline-block;
  padding: 1px 8px;
  border: 1px dashed var(--brand-500);
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--brand-700);
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: .82em;
}

/* --------------------------------------------------------- Page header --- */

.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--navy-950);
  color: rgba(255, 255, 255, .74);
  padding: clamp(52px, 4vw + 32px, 84px) 0;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 380px at 82% 18%, rgba(0, 164, 207, .26), transparent 62%),
    radial-gradient(500px 320px at 4% 95%, rgba(0, 195, 243, .12), transparent 60%);
}
.page-hero > .container { position: relative; }
.page-hero h1 { color: #fff; margin-bottom: 16px; }
.page-hero p { color: rgba(255, 255, 255, .72); max-width: 62ch; font-size: 1.05rem; }
.page-hero .eyebrow { color: var(--accent); }
.page-hero .eyebrow::before { background: var(--accent); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: .83rem;
  color: rgba(255, 255, 255, .5);
}
.breadcrumb a { color: rgba(255, 255, 255, .72); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: rgba(255, 255, 255, .3); }
.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }

/* ---------------------------------------------------------- Anchor nav --- */

.anchor-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.anchor-nav ul {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 10px 0;
}
.anchor-nav ul::-webkit-scrollbar { display: none; }
.anchor-nav a {
  display: block;
  padding: 8px 15px;
  border-radius: 8px;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: .88rem;
  font-weight: 600;
  color: var(--ink-700);
}
.anchor-nav a:hover { background: var(--surface-3); color: var(--brand-700); }
.anchor-nav a.is-active { background: var(--navy-900); color: #fff; }

/* -------------------------------------------------------------- Footer --- */

.footer {
  background: var(--navy-950);
  color: rgba(255, 255, 255, .62);
  padding: 64px 0 0;
  font-size: .92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand img { width: 236px; margin-bottom: 18px; }
.footer-tagline {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand p { color: rgba(255, 255, 255, .6); max-width: 38ch; font-size: .9rem; }

.footer h4 {
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: rgba(255, 255, 255, .62); font-size: .92rem; }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, .10);
  font-size: .84rem;
  color: rgba(255, 255, 255, .45);
}
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-bottom a { color: rgba(255, 255, 255, .55); }
.footer-bottom a:hover { color: var(--accent); }

/* ------------------------------------------------------ WhatsApp flotante --- */

.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px 13px 15px;
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  box-shadow: 0 16px 34px -14px rgba(37, 211, 102, .85);
  transition: transform .2s var(--ease), background-color .2s var(--ease);
}
.wa-float:hover { transform: translateY(-3px); background: #1dbf5a; color: #fff; }
.wa-float svg { width: 22px; height: 22px; flex: none; }

/* -------------------------------------------------------------- Reveal --- */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------------------------------------------------------- Responsive --- */

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 0; margin-top: 28px; max-width: 620px; }
  .mock-float--db,
  .mock-float--plc { display: none; }
  .grid--4, .grid--5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 30px; }
  .step::before { display: none; }
  .step { padding-top: 0; }
  .step-num { margin-top: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1100px) {
  :root { --section-y: 68px; }

  .nav-toggle { display: inline-flex; flex: none; }
  .header .container { gap: 10px; }
  .header-actions { margin-left: auto; gap: 8px; }
  .brand img { width: 140px; }

  .nav {
    position: fixed;
    inset: calc(var(--header-h)) 0 auto;
    margin: 0;
    padding: 18px 24px 26px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -28px rgba(6, 42, 68, .6);
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link { padding: 13px 14px; font-size: 1rem; }
  .nav-link[aria-current="page"] { background: var(--surface-3); }
  .nav-link[aria-current="page"]::after { display: none; }

  .nav-actions {
    display: grid;
    gap: 10px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
  }
  .hero-visual { margin-bottom: 26px; }
  .header-actions .btn { display: none; }
  .header-actions a.btn[href="index.html"] { display: inline-flex; }
  .header-actions .lang-switch,
  .header-actions .nav-toggle { display: inline-flex; }

  .solution { grid-template-columns: 1fr; gap: 24px; padding: 26px; }
  .solution-groups { grid-template-columns: 1fr; }
  .cta-inner { grid-template-columns: 1fr; gap: 26px; }
  .callout { grid-template-columns: 1fr; }
  .anchor-nav { display: none; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .container { padding-inline: 18px; }

  .grid--2, .grid--3, .grid--4, .grid--5,
  .form-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .mock-kpis { grid-template-columns: 1fr 1fr; }
  .mock-kpi:last-child { display: none; }
  .mock-float--db, .mock-float--plc { display: none; }

  .strip-list { justify-content: flex-start; gap: 12px 22px; }
  .strip-list li { font-size: .8rem; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-card { padding: 24px 20px; }
  .card { padding: 24px 22px; }

  .btn-row .btn { width: 100%; }
  .btn-label-full { display: none; }
  .btn-label-short { display: inline; }
  .brand img { width: 112px; }
  .lang-switch { padding: 2px; }
  .lang-switch__btn { padding: 5px 7px; min-width: 30px; }
  .header-actions { gap: 6px; }
  .nav-toggle { width: 40px; height: 40px; }
  .wa-float { padding: 13px; right: 16px; bottom: 16px; }
  .wa-float span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .header, .footer, .wa-float, .anchor-nav { display: none; }
  body { color: #000; }
}