/* =========================================================
   Energía Solar DC — hoja de estilos
   Colores y tipografías según el Manual de Identidad (v2):
   Poppins (principal) · Montserrat (secundaria)
   Degradados Yellow / Blue / Green.
   Enfoque mobile-first.
   ========================================================= */

/* ---------- 0. Tipografías (alojadas localmente, subconjunto latino, licencia OFL) ---------- */
@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("assets/fonts/montserrat-latin-var.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/poppins-latin-600.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("assets/fonts/poppins-latin-700.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- 1. Tokens ---------- */
:root {
  /* Marca: degradado Blue */
  --blue-700: #1653a6;
  --blue-600: #0064dc;
  --blue-500: #0087f3;
  --cyan-400: #01c5ff;
  /* Marca: degradado Yellow */
  --sun-700: #e3a406;
  --sun-500: #ffb806;
  --sun-400: #ffc905;
  /* Marca: degradado Green */
  --green-700: #1c9c00;
  --green-600: #2fb312;
  --lime-500: #6cdf00;

  /* Neutros derivados del azul de marca (fondos oscuros y texto) */
  --navy-950: #05142f;
  --navy-900: #081d42;
  --navy-800: #0c2a5c;
  --ink: #0b1a33;
  --text: #33415a;
  --muted: #56657d;
  --line: #dde4ef;
  --surface: #ffffff;
  --surface-2: #f3f6fb;
  --surface-3: #e8eef8;

  --font-display: "Poppins", "Segoe UI", system-ui, sans-serif;
  --font-body: "Montserrat", "Segoe UI", system-ui, sans-serif;

  --shell: 1200px;
  --gutter: 20px;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --header-h: 68px;
  --shadow-sm: 0 1px 2px rgba(8, 29, 66, 0.06), 0 2px 8px rgba(8, 29, 66, 0.05);
  --shadow: 0 10px 30px -12px rgba(8, 29, 66, 0.22);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --focus: 0 0 0 3px var(--surface), 0 0 0 6px var(--blue-600);
}

@media (min-width: 1024px) {
  :root {
    --gutter: 32px;
    --header-h: 80px;
  }
}

/* ---------- 2. Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.75rem, 1.25rem + 2.2vw, 2.75rem);
}

h3 {
  font-size: 1.125rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

a {
  color: var(--blue-700);
}

:where(ul[role="list"], ol) {
  margin: 0;
  padding: 0;
  list-style: none;
}

address {
  font-style: normal;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 6px;
}

[hidden] {
  display: none !important;
}

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

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-fill {
  fill: currentColor;
  stroke: none;
}

.shell {
  width: min(var(--shell), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  background: var(--navy-900);
  color: #fff;
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}

.skip-link:focus {
  transform: none;
}

/* ---------- 3. Componentes reutilizables ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--blue-700);
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Barra naranja: recurso del sistema visual de la marca */
.eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--sun-500);
}

.eyebrow-light {
  color: #fff;
  text-shadow: 0 1px 8px rgba(5, 20, 47, 0.7);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 22px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: none;
}

.btn-lg {
  min-height: 54px;
  padding-inline: 26px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--sun-500);
  color: var(--navy-950);
  box-shadow: 0 8px 22px -10px rgba(227, 164, 6, 0.8);
}

.btn-primary:hover {
  background: var(--sun-400);
}

.btn-ghost-light {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.btn-ghost-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.btn-dark {
  background: var(--navy-900);
  color: #fff;
}

.btn-dark:hover {
  background: var(--blue-700);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  color: var(--blue-700);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
}

.link-arrow .icon {
  transition: transform 0.2s var(--ease);
}

.link-arrow:hover {
  color: var(--blue-600);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.link-arrow:hover .icon {
  transform: translate(2px, -2px);
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  color: #fff;
  font-size: 1.15rem;
}

.card-icon--light {
  background: rgba(255, 255, 255, 0.1);
  color: var(--lime-500);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.media-badge {
  position: absolute;
  z-index: 2;
  left: 12px;
  bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(5, 20, 47, 0.78);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.section {
  padding-block: clamp(64px, 5rem + 3vw, 128px);
}

.section-head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.section-head > p {
  max-width: 460px;
  color: var(--muted);
}

.section-head--light h2 {
  color: #fff;
}

.section-head--light > p {
  color: rgba(255, 255, 255, 0.78);
}

@media (min-width: 900px) {
  .section-head {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }

  .section-head > p {
    justify-self: end;
  }
}

/* Las secciones fuera de pantalla no se calculan ni pintan hasta acercarse (mejora la carga en móviles). */
.section,
.cta-band,
.site-footer {
  content-visibility: auto;
  contain-intrinsic-size: auto 900px;
}

/* Al navegar por anclas se desactiva para que las alturas sean exactas (ver script.js). */
.cv-off .section,
.cv-off .cta-band,
.cv-off .site-footer {
  content-visibility: visible;
}

.note {
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.8125rem;
}

/* Animación de entrada (solo con JS y sin preferencia de movimiento reducido) */
@media screen {
  .js .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  }

  .js .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 4. Header y navegación ---------- */
/* Fijo y transparente sobre el hero; sólido al desplazarse (estado .is-solid, lo gestiona script.js).
   Sin JS el header es sólido desde el inicio. */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 6px 20px -16px rgba(8, 29, 66, 0.5);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  transition: background-color 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s, height 0.35s var(--ease);
}

.js .site-header:not(.is-solid) {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* Barra de progreso de lectura con los degradados de la marca */
.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--sun-500), var(--lime-500), var(--blue-500));
  transform: scaleX(var(--scroll, 0));
  transform-origin: left;
}

.header-bar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  position: relative;
  display: block;
  flex: none;
  border-radius: 6px;
}

.brand img {
  width: auto;
  height: 38px;
  transition: opacity 0.35s var(--ease);
}

.brand-white {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.js .site-header:not(.is-solid) .brand-color {
  opacity: 0;
}

.js .site-header:not(.is-solid) .brand-white {
  opacity: 1;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font: 600 0.9375rem var(--font-display);
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.js .site-header:not(.is-solid) .menu-toggle {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(5, 20, 47, 0.25);
  color: #fff;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.menu-toggle-bars {
  display: grid;
  gap: 4px;
  width: 18px;
}

.menu-toggle-bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-list a:hover,
.nav-list a[aria-current] {
  color: var(--blue-600);
}

/* Navegación móvil: panel desplegable bajo el header */
@media (max-width: 1023.98px) {
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    padding: 8px var(--gutter) 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -24px rgba(8, 29, 66, 0.45);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s, transform 0.25s var(--ease), visibility 0s linear 0.25s;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity 0.2s, transform 0.25s var(--ease);
  }

  .nav-list li {
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity 0.3s, transform 0.4s var(--ease);
  }

  .site-nav.is-open .nav-list li {
    opacity: 1;
    transform: none;
    transition-delay: calc(var(--i, 0) * 50ms + 60ms);
  }

  .nav-list li:nth-child(2) { --i: 1; }
  .nav-list li:nth-child(3) { --i: 2; }
  .nav-list li:nth-child(4) { --i: 3; }
  .nav-list li:nth-child(5) { --i: 4; }

  .nav-list a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 1.0625rem;
  }

  .nav-cta {
    width: 100%;
    margin-top: 20px;
  }
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }

  .brand img {
    height: 44px;
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .nav-list {
    display: flex;
    gap: 4px;
  }

  .js .site-header:not(.is-solid) .nav-list {
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    background: rgba(5, 20, 47, 0.28);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .js .site-header:not(.is-solid) .nav-list a {
    color: #fff;
  }

  .nav-list a {
    position: relative;
    padding: 10px 14px;
    font-size: 0.9375rem;
  }

  .nav-list a::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: var(--sun-500);
    transform: scaleX(0);
    transition: transform 0.25s var(--ease);
  }

  .nav-list a:hover::after,
  .nav-list a[aria-current]::after {
    transform: scaleX(1);
  }

  .nav-cta {
    min-height: 44px;
    padding: 10px 18px;
    font-size: 0.875rem;
  }
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  min-height: max(620px, 100svh);
  padding-top: var(--header-h);
  overflow: hidden;
  background: var(--navy-900);
  color: #fff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  will-change: transform;
}

.hero-poster,
.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bg-video {
  opacity: 0;
  transition: opacity 1.4s var(--ease);
}

.bg-video.is-playing {
  opacity: 1;
}

/* Sombreado estratégico: oscuro solo donde está el texto (izquierda) y en la franja inferior.
   La mitad derecha de la imagen queda limpia. */
.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(5, 20, 47, 0.45) 0%, rgba(5, 20, 47, 0) 18%),
    linear-gradient(0deg, rgba(5, 20, 47, 0.75) 0%, rgba(5, 20, 47, 0) 26%),
    linear-gradient(90deg, rgba(5, 20, 47, 0.86) 0%, rgba(5, 20, 47, 0.7) 32%, rgba(5, 20, 47, 0.28) 55%, rgba(5, 20, 47, 0) 70%);
}

.hero-inner {
  flex: 1;
  display: flex;
  align-items: center;
  padding-block: 40px 32px;
}

.hero-copy {
  max-width: 860px;
}

.hero h1 {
  color: #fff;
  text-shadow: 0 1px 2px rgba(5, 20, 47, 0.45), 0 4px 24px rgba(5, 20, 47, 0.55);
  font-size: clamp(2.125rem, 1.4rem + 2.8vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  text-wrap: pretty;
}

.h1-line {
  display: block;
}

/* Palabra destacada: mismo amarillo y texto oscuro que el botón principal */
.hl-static,
.motion .rotator {
  border-radius: 0.16em;
  background: var(--sun-500);
  box-shadow: 0 10px 28px -12px rgba(227, 164, 6, 0.85);
  color: var(--navy-950);
  text-shadow: none;
}

.hl-static {
  padding: 0 0.22em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* Palabra rotativa en línea: las palabras se apilan en la misma celda,
   así el ancho no cambia. Solo con movimiento permitido (.motion). */
.rotator {
  display: none;
}

.motion .hl-static {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.motion .rotator {
  display: inline-grid;
  justify-items: start;
  vertical-align: top;
  margin-left: 0.04em;
  padding: 0 0.24em 0.04em;
  overflow: hidden;
  white-space: nowrap;
  transition: width 0.6s var(--ease);
}

/* Móvil: la palabra va siempre en su propia línea para que el titular no cambie de altura */
@media (max-width: 599.98px) {
  .motion .rotator {
    display: grid;
    margin: 0.12em 0 0;
  }
}

.rotator-word {
  grid-area: 1 / 1;
  color: var(--navy-950);
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.7s var(--ease), opacity 0.5s;
}

.rotator-word.is-active {
  transform: none;
  opacity: 1;
}

.rotator-word.is-leaving {
  transform: translateY(-100%);
  opacity: 0;
}

.hero-lede {
  max-width: 520px;
  margin-top: 20px;
  color: #fff;
  text-shadow: 0 1px 2px rgba(5, 20, 47, 0.6), 0 2px 14px rgba(5, 20, 47, 0.65);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* Franja inferior: cifras + control del video */
.hero-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(5, 20, 47, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hero-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 32px;
  padding-block: 18px;
  padding-right: 76px;
}

.hero-facts {
  display: flex;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-facts li {
  display: grid;
  gap: 2px;
  padding-inline: 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-facts li:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-facts strong {
  color: var(--sun-500);
  font-family: var(--font-display);
  font-size: 1.375rem;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}

.hero-facts span {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8125rem;
  line-height: 1.35;
}

.hero-facts strong span {
  color: inherit;
  font-size: inherit;
  line-height: inherit;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.photo-credit {
  position: absolute;
  top: calc(var(--header-h) + 12px);
  right: var(--gutter);
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(5, 20, 47, 0.45);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.75rem;
}

.video-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font: 600 0.8125rem var(--font-display);
  cursor: pointer;
}

.video-toggle:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.video-toggle-icon {
  width: 9px;
  height: 11px;
  border-inline: 3px solid currentColor;
}

.video-toggle[aria-pressed="true"] .video-toggle-icon {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 6px 0 6px 10px;
  border-color: transparent transparent transparent currentColor;
}

.video-toggle:focus-visible {
  box-shadow: 0 0 0 3px var(--sun-500);
}

@media (max-width: 767.98px) {
  .hero-shade {
    background:
      linear-gradient(180deg, rgba(5, 20, 47, 0.55) 0%, rgba(5, 20, 47, 0.35) 30%, rgba(5, 20, 47, 0.6) 65%, rgba(5, 20, 47, 0.85) 100%);
  }

  .hero-actions .btn {
    flex: 1 1 220px;
  }

  .hero-bottom-inner {
    flex-wrap: wrap;
    padding-right: 0;
  }

  .hero-facts {
    width: 100%;
    justify-content: space-between;
  }

  .hero-facts li {
    padding-inline: 12px;
  }

  .hero-facts strong {
    font-size: 1.125rem;
  }

  .hero-facts span {
    font-size: 0.75rem;
  }

}

@media (min-width: 1024px) {
  .hero-inner {
    padding-block: 56px 48px;
  }

  .hero-bottom-inner {
    padding-right: 190px;
  }

  .hero-facts li {
    padding-inline: 32px;
    white-space: nowrap;
  }
}

/* ---------- 6. Soluciones ---------- */
.solutions {
  background: var(--surface-2);
}

.feature-card {
  display: grid;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.feature-media {
  position: relative;
  min-height: 220px;
}

.feature-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-body {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(24px, 3vw, 44px);
}

.feature-body h3 {
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.75rem);
}

.feature-body > p {
  color: var(--muted);
}

.system-types {
  display: grid;
  gap: 12px;
  margin: 4px 0 0;
}

.system-types div {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border-left: 3px solid var(--green-600);
}

.system-types dt {
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
}

.system-types dd {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

@media (min-width: 960px) {
  .feature-card {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .feature-media {
    min-height: 100%;
  }
}

.carousel-hint {
  display: none;
}

.solution-grid {
  display: grid;
  gap: 16px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.solution-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s;
}

.solution-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--sun-500), var(--lime-500));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.solution-card:hover,
.solution-card:focus-within {
  border-color: transparent;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.solution-card:hover::before,
.solution-card:focus-within::before {
  transform: scaleX(1);
}

.solution-card p {
  flex: 1;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Móvil: carrusel táctil con desplazamiento nativo */
@media (max-width: 599.98px) {
  .carousel-hint {
    display: block;
    margin-top: 28px;
    color: var(--muted);
    font-size: 0.875rem;
  }

  .solution-grid {
    grid-auto-flow: column;
    grid-auto-columns: 84%;
    gap: 12px;
    margin-inline: calc(-1 * var(--gutter));
    padding: 4px var(--gutter) 16px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: var(--gutter);
    scrollbar-width: thin;
  }

  .solution-card {
    scroll-snap-align: start;
  }

  .solution-card:hover,
  .solution-card:focus-within {
    transform: none;
  }
}

@media (min-width: 600px) and (max-width: 1023.98px) {
  .solution-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solution-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .solution-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 20px;
  }
}

/* ---------- 7. Logrando juntos (franja) ---------- */
.together {
  padding-bottom: clamp(48px, 5vw, 80px);
  overflow: hidden;
}

.together-head {
  max-width: 820px;
  text-align: center;
}

.together-head .eyebrow {
  justify-content: center;
}

.together-head > p {
  max-width: 640px;
  margin: 18px auto 0;
  color: var(--muted);
}

.marquee {
  margin-top: clamp(36px, 4vw, 56px);
}

.marquee-viewport {
  overflow: hidden;
  padding-block: 18px;
  border-block: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 45s linear infinite;
}

.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track,
.marquee.is-paused .marquee-track {
  animation-play-state: paused;
}

.marquee-group {
  display: flex;
  flex: none;
  gap: 16px;
  margin: 0;
  padding: 0 16px 0 0;
  list-style: none;
}

/* Ficha con formato de logotipo. Al tener logos autorizados, se reemplaza el contenido por <img>. */
.brand-chip {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 250px;
  height: 84px;
  padding: 0 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.brand-chip:hover {
  border-color: var(--sun-500);
  box-shadow: var(--shadow);
}

.brand-chip-mark {
  width: 20px;
  height: 46px;
  flex: none;
  fill: var(--sun-500);
}

.brand-chip small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
}

.brand-chip--placeholder {
  border-style: dashed;
  border-color: #c3ccda;
  background: transparent;
  box-shadow: none;
  color: #56657d;
}

.brand-chip--placeholder .brand-chip-mark {
  fill: #c3ccda;
}

.marquee-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: 16px;
}

.marquee-foot p {
  max-width: 760px;
  color: var(--muted);
  font-size: 0.875rem;
}

.marquee-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font: 600 0.875rem var(--font-display);
  cursor: pointer;
}

.marquee-toggle:hover {
  border-color: var(--blue-600);
}

/* Icono pausa (dos barras) / reproducir (triángulo) */
.marquee-toggle-icon {
  width: 10px;
  height: 12px;
  border-inline: 3px solid currentColor;
}

.marquee-toggle[aria-pressed="true"] .marquee-toggle-icon {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 6px 0 6px 10px;
  border-color: transparent transparent transparent currentColor;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- 8. Proyectos ---------- */
.projects {
  background: var(--surface-2);
}

.project-grid {
  display: grid;
  gap: 20px;
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.project-card:hover,
.project-card:focus-within {
  box-shadow: var(--shadow);
}

.project-media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--surface-3);
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.project-card:hover .project-media img {
  transform: scale(1.04);
}

.project-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--navy-900);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.project-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
}

.project-body > p:not(.project-place) {
  flex: 1;
  color: var(--muted);
  font-size: 0.9375rem;
}

.project-body h3 {
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
}

.project-place {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue-700);
  font-size: 0.8125rem;
  font-weight: 600;
}

.project-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 6px 0 4px;
}

.project-stats div {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.project-stats dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project-stats dd {
  margin: 2px 0 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.25;
}

.project-stats dd small {
  font-size: 0.75rem;
  font-weight: 600;
}

.project-stats .stat-highlight {
  background: var(--navy-900);
}

.project-stats .stat-highlight dt {
  color: rgba(255, 255, 255, 0.78);
}

.project-stats .stat-highlight dd {
  color: var(--sun-500);
  font-size: 1.75rem;
}

.project-stats .stat-wide,
.project-stats .stat-highlight {
  grid-column: 1 / -1;
}

@media (min-width: 720px) {
  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-card--lead {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .project-grid {
    grid-template-columns: 1.45fr 1fr;
    grid-template-rows: auto auto;
    gap: 24px;
  }

  .project-card--lead {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .project-card--lead .project-media {
    flex: 1;
    min-height: 320px;
    aspect-ratio: auto;
  }

  .project-card--lead .project-body > p:not(.project-place) {
    flex: none;
  }

  .project-card--lead .project-body {
    padding: 32px;
  }

  .project-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .project-stats .stat-highlight {
    grid-column: auto;
  }

  .project-card:not(.project-card--lead) .project-media {
    aspect-ratio: 16 / 8;
  }
}

/* ---------- 9. Nosotros ---------- */
.about-layout {
  display: grid;
  gap: 48px;
}

.about-media {
  position: relative;
  max-width: 520px;
}

.about-media img {
  width: 100%;
  aspect-ratio: 4 / 4.4;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-media .media-badge {
  left: 14px;
  top: 14px;
  bottom: auto;
}

.about-card {
  position: relative;
  display: grid;
  gap: 6px;
  max-width: 300px;
  margin: -64px 16px 0 auto;
  padding: 20px 22px;
  border-radius: var(--radius);
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.875rem;
  box-shadow: var(--shadow);
}

.about-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 44px;
  height: 4px;
  background: var(--sun-500);
}

.about-card strong {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.2;
}

.about-copy h2 {
  margin-bottom: 20px;
}

.about-copy > p {
  color: var(--muted);
}

.about-copy > p + p {
  margin-top: 14px;
}

.about-copy .lead {
  color: var(--text);
  font-size: 1.0625rem;
}

.mv {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.mv > div {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.mv h3 {
  margin-bottom: 6px;
  color: var(--blue-700);
  font-size: 1rem;
}

.mv p {
  color: var(--muted);
  font-size: 0.9375rem;
}

.values-title {
  margin: 28px 0 12px;
  font-size: 1rem;
}

.values {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.values li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 600;
}

.values li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-600);
}

@media (min-width: 720px) {
  .mv {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .about-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(48px, 6vw, 96px);
  }
}

/* ---------- 10. Por qué elegirnos ---------- */
.why {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: radial-gradient(120% 90% at 100% 0%, var(--navy-800) 0%, var(--navy-900) 45%, var(--navy-950) 100%);
  color: rgba(255, 255, 255, 0.8);
}

.why-grid {
  display: grid;
  gap: 16px;
}

.why-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 28px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  transition: background-color 0.25s, border-color 0.25s;
}

.why-card:hover {
  border-color: rgba(108, 223, 0, 0.45);
  background: rgba(255, 255, 255, 0.07);
}

.why-card h3 {
  color: #fff;
}

.why-card p {
  font-size: 0.9375rem;
}

@media (min-width: 600px) {
  .why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 11. Proceso ---------- */
/* La línea de progreso (::before = pista, ::after = relleno) avanza con el scroll: --progress lo define script.js. */
.steps {
  position: relative;
  display: grid;
  gap: 0;
  --progress: 1;
}

.js .steps {
  --progress: 0;
}

.steps::before,
.steps::after {
  content: "";
  position: absolute;
  top: 28px;
  bottom: 28px;
  left: 27px;
  width: 2px;
  border-radius: 2px;
  background: var(--line);
}

.steps::after {
  background: linear-gradient(180deg, var(--blue-500), var(--lime-500));
  transform: scaleY(var(--progress));
  transform-origin: top;
}

.step {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 18px;
  padding-bottom: 28px;
}

.step:last-child {
  padding-bottom: 0;
}

.step-num {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--blue-600);
  color: var(--blue-700);
  font-family: var(--font-display);
  font-weight: 700;
  transition: background-color 0.4s, color 0.4s, border-color 0.4s, box-shadow 0.4s, transform 0.4s var(--ease);
}

.js .step:not(.is-active) .step-num {
  border-color: var(--line);
  color: var(--muted);
}

.step.is-active .step-num {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
  box-shadow: 0 0 0 7px rgba(0, 135, 243, 0.14);
  transform: scale(1.04);
}

.step:last-child.is-active .step-num,
html:not(.js) .step:last-child .step-num {
  border-color: var(--green-600);
  background: var(--green-600);
  color: var(--navy-950);
  box-shadow: 0 0 0 7px rgba(47, 179, 18, 0.16);
}

.step h3 {
  align-self: center;
  margin-top: 14px;
}

.step p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9375rem;
}

@media (min-width: 1024px) {
  .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 24px;
  }

  .steps::before,
  .steps::after {
    top: 27px;
    bottom: auto;
    left: 28px;
    right: calc((100% - 96px) / 5 - 28px);
    width: auto;
    height: 2px;
  }

  .steps::after {
    background: linear-gradient(90deg, var(--blue-500), var(--lime-500));
    transform: scaleX(var(--progress));
    transform-origin: left;
  }

  .step {
    grid-template-columns: 1fr;
    padding-bottom: 0;
  }

  .step-num {
    grid-row: auto;
  }

  .step h3 {
    align-self: start;
    margin-top: 20px;
  }
}

/* ---------- 12. CTA principal ---------- */
.cta-band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(80px, 10vw, 150px);
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.9);
}

.cta-media {
  position: absolute;
  inset: -10% 0;
  z-index: -2;
  will-change: transform;
}

.cta-media img,
.cta-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, rgba(5, 20, 47, 0.92) 0%, rgba(8, 29, 66, 0.78) 40%, rgba(22, 83, 166, 0.35) 75%, rgba(0, 100, 220, 0.15) 100%);
}

.cta-inner {
  display: grid;
  gap: 28px;
  align-items: center;
}

.cta-band h2 {
  max-width: 680px;
  color: #fff;
  font-size: clamp(2rem, 1.3rem + 3vw, 3.75rem);
  line-height: 1.06;
  text-shadow: 0 2px 24px rgba(5, 20, 47, 0.4);
}

.cta-band p {
  max-width: 560px;
  margin-top: 18px;
  font-size: 1.0625rem;
  text-shadow: 0 1px 12px rgba(5, 20, 47, 0.5);
}

.cta-video-toggle {
  position: absolute;
  top: 16px;
  right: var(--gutter);
}

@media (max-width: 599.98px) {
  .cta-band .btn {
    width: 100%;
  }
}

@media (min-width: 960px) {
  .cta-inner {
    grid-template-columns: 1fr auto;
    gap: 48px;
    padding-right: clamp(80px, 12vw, 200px);
  }
}

/* ---------- 13. Preguntas frecuentes ---------- */
.faq-layout {
  display: grid;
  gap: 36px;
}

.faq-intro h2 {
  margin-bottom: 14px;
}

.faq-intro p {
  margin-bottom: 24px;
  color: var(--muted);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary h3 {
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  font-weight: 600;
  transition: color 0.2s;
}

.faq-list summary:hover h3 {
  color: var(--blue-700);
}

.faq-icon {
  position: relative;
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-2);
  transition: background-color 0.2s, transform 0.3s var(--ease);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  margin: -1px 0 0 -6px;
  border-radius: 2px;
  background: var(--blue-700);
}

.faq-icon::after {
  transform: rotate(90deg);
  transition: transform 0.3s var(--ease);
}

details[open] .faq-icon {
  background: var(--sun-500);
}

details[open] .faq-icon::after {
  transform: rotate(0deg);
}

.faq-answer {
  padding: 0 52px 22px 4px;
  color: var(--muted);
}

@media (min-width: 960px) {
  .faq-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 72px;
    align-items: start;
  }

  .faq-intro {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }
}

/* ---------- 14. Contacto ---------- */
.contact {
  background: var(--surface-2);
}

.contact-layout {
  display: grid;
  gap: 40px;
}

.contact-info h2 {
  margin-bottom: 14px;
}

.contact-info > p {
  color: var(--muted);
}

.contact-list {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-list .card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.contact-list li > div {
  display: grid;
  gap: 2px;
  color: var(--ink);
}

.contact-label {
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contact-list a {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
}

.contact-list .small-link {
  font-family: var(--font-body);
  font-size: 0.875rem;
}

.wa-form {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 3vw, 40px);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.wa-form h3 {
  font-size: 1.375rem;
}

.form-intro {
  margin-top: -6px;
  color: var(--muted);
  font-size: 0.9375rem;
}

.field {
  display: grid;
  gap: 6px;
}

.field-row {
  display: grid;
  gap: 16px;
}

.field label {
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 600;
}

.optional {
  color: var(--muted);
  font-weight: 500;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #b9c4d6;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field textarea {
  resize: vertical;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  border-color: var(--blue-600);
  border-radius: var(--radius-sm);
  box-shadow: 0 0 0 3px rgba(0, 100, 220, 0.25);
}

.field input[aria-invalid="true"] {
  border-color: #c62828;
}

.field-error {
  color: #b71c1c;
  font-size: 0.875rem;
  font-weight: 600;
}

.form-status {
  color: var(--muted);
  font-size: 0.875rem;
  text-align: center;
}

.form-status:empty {
  display: none;
}

@media (min-width: 600px) {
  .field-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .contact-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 72px;
    align-items: start;
  }
}

/* ---------- 15. Footer ---------- */
.site-footer {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: clamp(56px, 6vw, 88px);
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.9375rem;
}

.footer-grid {
  display: grid;
  gap: 36px;
  padding-bottom: 40px;
}

.footer-brand img {
  width: auto;
  height: 44px;
  margin-bottom: 18px;
}

.footer-brand p {
  max-width: 340px;
}

.footer-col h2 {
  margin-bottom: 14px;
  color: #fff;
  font-size: 1rem;
  letter-spacing: 0;
}

.footer-col ul {
  display: grid;
  gap: 4px;
}

.footer-col a {
  display: inline-block;
  padding-block: 6px;
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--sun-500);
  text-decoration: underline;
}

.footer-col li:not(:has(a)) {
  padding-block: 6px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 22px 96px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8125rem;
}

.to-top {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: #fff;
  transition: background-color 0.25s, border-color 0.25s, color 0.25s, transform 0.25s var(--ease);
}

.to-top:hover {
  border-color: var(--sun-500);
  background: var(--sun-500);
  color: var(--navy-950);
  transform: translateY(-3px);
}

.site-footer :focus-visible {
  box-shadow: 0 0 0 3px var(--sun-500);
}

@media (min-width: 720px) {
  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1.2fr;
    gap: 48px;
  }

  .footer-bottom {
    padding-bottom: 28px;
    padding-right: 200px;
  }
}

/* ---------- 16. Botón flotante de WhatsApp ---------- */
.wa-float {
  position: fixed;
  z-index: 40;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 56px;
  height: 56px;
  padding: 0 16px;
  border-radius: 999px;
  background: #157a42;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 10px 24px -8px rgba(5, 20, 47, 0.55);
  transition: transform 0.2s var(--ease), background-color 0.2s, opacity 0.2s, visibility 0.2s;
}

.wa-float .icon {
  width: 26px;
  height: 26px;
}

.wa-float:hover {
  background: #0f6435;
  transform: translateY(-2px);
}

.wa-float:focus-visible {
  box-shadow: 0 0 0 3px #fff, 0 0 0 6px var(--blue-600);
}

.wa-float-label {
  display: none;
}

/* Se oculta con el menú móvil abierto para no tapar la navegación */
.nav-open .wa-float {
  visibility: hidden;
  opacity: 0;
}

@media (min-width: 1024px) {
  .wa-float {
    right: 28px;
    bottom: 28px;
    padding-inline: 18px 22px;
  }

  .wa-float-label {
    display: inline;
  }
}

/* ---------- 17. Movimiento y microinteracciones ----------
   Se aplican con la clase .motion en <html> (añadida en el <head> para todos los dispositivos). Las animaciones usan transform/opacity para no forzar repintados. */
@media screen {
  /* Entrada del hero, escalonada con --d */
  .motion .hero-in {
    opacity: 0;
    transform: translateY(28px);
    animation: hero-in 1s var(--ease) forwards;
    animation-delay: calc(var(--d, 0) * 110ms + 150ms);
  }

  .motion .hero-poster {
    animation: ken-burns 16s var(--ease) both;
  }

  .motion .scroll-cue-line::after {
    animation: scroll-cue 2.2s var(--ease) infinite;
  }

  /* Revelado al hacer scroll, escalonado entre hermanos (--i lo asigna script.js) */
  .js .reveal {
    transition-delay: calc(var(--i, 0) * 90ms);
  }

  /* Títulos de sección: suben detrás de una máscara */
  .js .reveal h2 {
    clip-path: inset(0 0 100% 0);
    transform: translateY(40%);
    transition: clip-path 0.9s var(--ease) 0.1s, transform 0.9s var(--ease) 0.1s;
  }

  .js .reveal.is-visible h2 {
    clip-path: inset(-10% -5% -20% -5%);
    transform: none;
  }

  /* La barra naranja de los antetítulos crece al aparecer */
  .js .reveal .eyebrow::before {
    width: 0;
    transition: width 0.8s var(--ease) 0.3s;
  }

  .js .reveal.is-visible .eyebrow::before {
    width: 28px;
  }

  /* Imágenes con parallax suave (--py lo calcula script.js) */
  .motion .feature-media img,
  .motion .project-media img {
    translate: 0 var(--py, 0);
    scale: 1.12;
    transition: scale 0.8s var(--ease);
  }

  .motion .project-card:hover .project-media img {
    transform: none;
    scale: 1.18;
  }

  /* Inclinación 3D de las tarjetas de proyecto (punteros finos) */
  .project-card {
    transform: perspective(1000px) rotateX(var(--rx, 0)) rotateY(var(--ry, 0));
    transition: box-shadow 0.3s var(--ease), transform 0.4s var(--ease);
  }

  .project-card.is-tilting {
    transition: box-shadow 0.3s var(--ease), transform 0.1s linear;
  }

  /* Brillo que recorre el botón principal */
  .btn-primary {
    position: relative;
    overflow: hidden;
    isolation: isolate;
  }

  .btn-primary::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(105deg, transparent 30%, rgba(255, 255, 255, 0.65) 50%, transparent 70%);
    transform: translateX(-120%);
    transition: transform 0.7s var(--ease);
  }

  .btn-primary:hover::after {
    transform: translateX(120%);
  }

  /* Pulso del botón flotante de WhatsApp */
  .wa-float {
    animation: wa-pulse 3.2s var(--ease) 2s infinite;
  }

  /* Iconos de tarjetas: pequeño giro al pasar el cursor */
  .solution-card .card-icon,
  .why-card .card-icon {
    transition: transform 0.45s var(--ease);
  }

  .solution-card:hover .card-icon,
  .why-card:hover .card-icon {
    transform: rotate(-8deg) scale(1.08);
  }

  /* Franja diagonal de "Por qué elegirnos" que se desplaza con el scroll */
}

/* Luz que sigue al cursor en las tarjetas (--mx / --my desde script.js) */
.solution-card,
.why-card {
  isolation: isolate;
  overflow: hidden;
}

.solution-card::after,
.why-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 0%), rgba(0, 135, 243, 0.12), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}

.why-card {
  position: relative;
}

.why-card::after {
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 0%), rgba(108, 223, 0, 0.16), transparent 60%);
}

.solution-card:hover::after,
.why-card:hover::after {
  opacity: 1;
}

@keyframes hero-in {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes ken-burns {
  from {
    transform: scale(1.14);
  }
  to {
    transform: scale(1);
  }
}

@keyframes slash-in {
  from {
    opacity: 0;
    transform: translate(18%, 30%);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes scroll-cue {
  0% {
    transform: translateY(-100%);
  }
  60%,
  100% {
    transform: translateY(240%);
  }
}

@keyframes wa-pulse {
  0% {
    box-shadow: 0 10px 24px -8px rgba(5, 20, 47, 0.55), 0 0 0 0 rgba(37, 211, 102, 0.55);
  }
  70%,
  100% {
    box-shadow: 0 10px 24px -8px rgba(5, 20, 47, 0.55), 0 0 0 18px rgba(37, 211, 102, 0);
  }
}