/* =========================================================
   Aironix — estilo.css
   Mobile-first. Sin frameworks. Sin dependencias externas.
   ========================================================= */

:root {
  --color-primary: #0b2545;
  --color-primary-darker: #071a33;
  --color-accent: #2563eb;
  --color-accent-darker: #1d4ed8;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-text: #1a1f2b;
  --color-text-muted: #5b6472;
  --color-border: #e2e6ec;
  --color-success: #1a7f4b;
  --color-success-bg: #e9f7ef;
  --color-error: #b3261e;
  --color-error-bg: #fbebea;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;

  --container-width: 1120px;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;

  --radius: 8px;
  --transition-fast: 160ms ease;
  --transition: 260ms ease;

  --header-height: 64px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3 { line-height: 1.2; font-weight: 700; margin: 0 0 var(--space-sm); }
p { margin: 0 0 var(--space-sm); color: var(--color-text-muted); }
p:last-child { margin-bottom: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.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;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 200;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 0; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-darker);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}
.btn-ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---------- Scroll progress bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--color-accent);
  z-index: 200;
  transition: width 100ms linear;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 0 0 rgba(11, 37, 69, 0);
  transition: box-shadow var(--transition), background var(--transition);
}
.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(11, 37, 69, 0.08);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}
.logo-img {
  height: 30px;
  width: auto;
  display: block;
}

.nav-toggle {
  background: none;
  border: none;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 5px;
  z-index: 110;
}
.nav-toggle-bar {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}
.site-nav.is-open { max-height: 320px; }
.site-nav ul {
  display: flex;
  flex-direction: column;
  padding: var(--space-sm) var(--space-md);
}
.site-nav a {
  display: block;
  padding: 0.85rem 0;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}
.site-nav li:last-child a { border-bottom: none; }
.site-nav a:hover { color: var(--color-accent); }
.site-nav a.is-active { color: var(--color-accent); }

.nav-divider { display: none; }

.site-nav a.nav-link-external {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-accent);
}
.nav-link-external svg { flex-shrink: 0; }
.site-nav a.nav-link-external:hover { color: var(--color-accent-darker); }

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    max-height: none;
    overflow: visible;
    background: transparent;
    border-bottom: none;
  }
  .site-nav ul {
    flex-direction: row;
    gap: var(--space-md);
    padding: 0;
  }
  .site-nav a {
    padding: 0.4rem 0;
    border-bottom: none;
    position: relative;
  }
  .site-nav a::after {
    content: "";
    position: absolute;
    left: 0; bottom: -2px;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
  }
  .site-nav a:hover::after,
  .site-nav a.is-active::after { transform: scaleX(1); transform-origin: left; }

  .nav-divider {
    display: block;
    width: 1px;
    height: 18px;
    background: var(--color-border);
  }
}

/* ---------- Sections ---------- */
.section {
  padding: var(--space-xl) 0;
}
.section-alt { background: var(--color-bg-alt); }

/* Etiqueta corta sobre los títulos de sección */
.eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section h2 {
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-primary);
  color: #fff;
  padding: calc(var(--space-xl) + 1rem) 0 var(--space-xl);
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-lg);
}
.hero h1 {
  font-size: 2rem;
  max-width: 18ch;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-md);
}
.hero-sub {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  max-width: 52ch;
  margin-bottom: var(--space-md);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero-illustration {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  justify-self: center;
}

/* Dashboard "en vivo": movimiento lento, para no competir con la red de puntos */
.hero-chart .chart-bar {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: chart-bar-breathe 4.5s ease-in-out infinite;
  animation-delay: var(--bar-delay, 0s);
}
@keyframes chart-bar-breathe {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.82); }
}

/* Dona: redistribuye las proporciones de cada segmento, sin girar */
.hero-chart .chart-pie-seg-a,
.hero-chart .chart-pie-seg-b,
.hero-chart .chart-pie-seg-c {
  animation-duration: 7s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}
.hero-chart .chart-pie-seg-a { animation-name: chart-pie-seg-a; }
.hero-chart .chart-pie-seg-b { animation-name: chart-pie-seg-b; }
.hero-chart .chart-pie-seg-c { animation-name: chart-pie-seg-c; }

@keyframes chart-pie-seg-a {
  0%   { stroke-dasharray: 73.51 163.36; stroke-dashoffset: 0; }
  100% { stroke-dasharray: 52.28 163.36; stroke-dashoffset: 0; }
}
@keyframes chart-pie-seg-b {
  0%   { stroke-dasharray: 49.01 163.36; stroke-dashoffset: -73.51; }
  100% { stroke-dasharray: 68.61 163.36; stroke-dashoffset: -52.28; }
}
@keyframes chart-pie-seg-c {
  0%   { stroke-dasharray: 40.84 163.36; stroke-dashoffset: -122.52; }
  100% { stroke-dasharray: 42.47 163.36; stroke-dashoffset: -120.89; }
}

@media (min-width: 640px) {
  .hero h1 { font-size: 2.75rem; }
}
@media (min-width: 860px) {
  .hero-grid { grid-template-columns: 1.15fr 0.85fr; }
  .hero-illustration { max-width: 100%; justify-self: end; }
}
@media (min-width: 960px) {
  .hero h1 { font-size: 3.25rem; }
}

/* ---------- Quiénes somos ---------- */
.quienes-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-lg);
}
#quienes-somos p { font-size: 1.05rem; color: var(--color-text); }
#quienes-somos .eyebrow { font-size: 0.78rem; color: var(--color-accent); }
.quienes-illustration {
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
}
.quienes-illustration-inner { width: 100%; height: auto; }

@media (min-width: 860px) {
  .quienes-grid { grid-template-columns: 1.1fr 0.9fr; }
  .quienes-illustration { max-width: 100%; order: 2; }
}

/* Saludo: al entrar en pantalla por scroll, la ilustración da un par de
   saltitos (se dispara una sola vez; script.js agrega la clase .greet vía
   IntersectionObserver). Va en el SVG interno, no en .reveal, porque .reveal
   ya usa la propiedad "animation" para su propia entrada y una segunda
   animación en el mismo elemento se la pisaría. */
.quienes-illustration-inner.greet {
  animation: quienes-greet 700ms ease-in-out 2;
}
@keyframes quienes-greet {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(-1deg); }
}
@media (prefers-reduced-motion: reduce) {
  .quienes-illustration-inner.greet { animation: none; }
}

/* ---------- Servicios ---------- */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(11, 37, 69, 0.08);
  border-color: transparent;
}
.card h3 {
  color: var(--color-primary);
  font-size: 1.1rem;
}
.card-illustration {
  width: 100%;
  max-width: 220px;
  margin: 0 auto var(--space-sm);
}
.card .btn-link {
  margin-top: auto;
  align-self: flex-start;
  padding-top: var(--space-sm);
}

/* ---------- Botón de enlace (Ver más, etc.) ---------- */
.btn-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition-fast), gap var(--transition-fast);
}
.btn-link:hover {
  color: var(--color-accent-darker);
  gap: 0.55rem;
}

/* ---------- Modal de servicios ---------- */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}
.modal.is-open { display: flex; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 26, 51, 0.6);
  backdrop-filter: blur(2px);
}
.modal-dialog {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  max-width: 480px;
  width: 100%;
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  padding: 0 var(--space-md) var(--space-md);
  box-shadow: 0 20px 50px rgba(7, 26, 51, 0.35);
  animation: modal-in 220ms ease;
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-media {
  margin: 0 calc(var(--space-md) * -1) var(--space-md);
  padding: var(--space-md) var(--space-md) 0;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(52, 211, 153, 0.12));
  display: flex;
  justify-content: center;
  overflow: hidden;
}
.modal-illustration {
  width: 100%;
  max-width: 190px;
  margin: 0 auto;
  animation: modal-illustration-in 480ms cubic-bezier(0.2, 0.8, 0.3, 1.15) both;
}
@keyframes modal-illustration-in {
  from { opacity: 0; transform: translateY(14px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 32px;
  height: 32px;
  border: none;
  background: #fff;
  color: var(--color-text-muted);
  border-radius: 50%;
  font-size: 1.25rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(7, 26, 51, 0.18);
  z-index: 1;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}
.modal-close:hover { background: var(--color-bg-alt); color: var(--color-text); transform: rotate(90deg); }
.modal-dialog h3 {
  color: var(--color-primary);
  font-size: 1.25rem;
}
.modal-list {
  display: grid;
  gap: 0.65rem;
  margin: var(--space-sm) 0 0;
}
.modal-list li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--color-text-muted);
  opacity: 0;
  animation: modal-item-in 420ms ease both;
  animation-delay: calc(120ms + (var(--i, 0) * 90ms));
}
@keyframes modal-item-in {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}
.modal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}
body.modal-open { overflow: hidden; }
@media (prefers-reduced-motion: reduce) {
  .modal-dialog, .modal-illustration, .modal-list li {
    animation: none !important;
    opacity: 1 !important;
  }
}

/* ---------- Icon badges (puntos de "por qué aironix") ---------- */
.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}
.icon-badge svg { width: 24px; height: 24px; }
.icon-badge-round { border-radius: 50%; }

@media (min-width: 720px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Por qué Aironix (sección centrada) ---------- */
#por-que-aironix .container { text-align: center; }
#por-que-aironix h2 { max-width: 40ch; margin-left: auto; margin-right: auto; }

.points {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  justify-items: center;
}
.points li {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 300px;
}
.points h3 {
  font-size: 1.05rem;
  color: var(--color-primary);
}

@media (min-width: 720px) {
  .points { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Contacto ---------- */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.contacto-info h2 { margin-bottom: var(--space-sm); }

.contact-details {
  margin: var(--space-md) 0 0;
}
.contact-details div {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.contact-details dt {
  font-weight: 600;
  color: var(--color-text);
}
.contact-details dd {
  margin: 0;
  color: var(--color-text-muted);
}
.contact-details a { color: var(--color-accent); }
.contact-details a:hover { text-decoration: underline; }
.social-links { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: flex-end; }

.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
}
.form-field { margin-bottom: var(--space-sm); }
.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
  font-size: 1rem; /* 16px: evita el zoom automático de iOS al enfocar */
  min-height: 48px;
  color: var(--color-text);
  background: #fff;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  outline: none;
}
.form-field textarea { resize: vertical; min-height: 120px; }

.form-field.field-invalid input,
.form-field.field-invalid textarea {
  border-color: var(--color-error);
}
.field-error {
  color: var(--color-error);
  font-size: 0.82rem;
  margin-top: 0.35rem;
}

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

.form-status {
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}
.form-status:empty { display: none; }
.form-status.is-success {
  padding: 0.85rem 1rem;
  margin-bottom: var(--space-sm);
  background: var(--color-success-bg);
  color: var(--color-success);
}
.form-status.is-error {
  padding: 0.85rem 1rem;
  margin-bottom: var(--space-sm);
  background: var(--color-error-bg);
  color: var(--color-error);
}

@media (min-width: 900px) {
  .contacto-grid { grid-template-columns: 0.8fr 1.2fr; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-darker);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-lg) 0;
  font-size: 0.85rem;
}
.privacy-notice { color: rgba(255, 255, 255, 0.6); max-width: 70ch; }
.privacy-notice a { color: rgba(255, 255, 255, 0.85); text-decoration: underline; }
.privacy-notice a:hover { color: #fff; }

/* ---------- Aviso de privacidad (página legal) ---------- */
.legal-content { max-width: 760px; }
.legal-content h1 { color: var(--color-primary); font-size: 1.75rem; }
.legal-content .legal-updated {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}
.legal-content h2 {
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-top: var(--space-lg);
}
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content p,
.legal-content li {
  color: var(--color-text);
  font-size: 0.98rem;
  text-align: justify;
  hyphens: auto;
}
.legal-content ul,
.legal-content ol {
  padding-left: 1.25rem;
  margin: 0 0 var(--space-sm);
}
.legal-content li { margin-bottom: 0.5rem; }
.legal-content .back-link { margin-top: var(--space-lg); }
.copyright { color: rgba(255, 255, 255, 0.5); margin-top: var(--space-sm); margin-bottom: 0; }

/* ---------- Scroll reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px) scale(0.97);
  transition: opacity 750ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 750ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: transform, opacity;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Variantes con más desplazamiento lateral, para tarjetas/puntos alternados */
.reveal-left {
  transform: translate(-48px, 20px) scale(0.97);
}
.reveal-left.is-visible {
  transform: translate(0, 0) scale(1);
}

.reveal-right {
  transform: translate(48px, 20px) scale(0.97);
}
.reveal-right.is-visible {
  transform: translate(0, 0) scale(1);
}

/* ---------- Scroll-driven animations (mejora progresiva) ----------
   Donde el navegador soporta animation-timeline: view(), el movimiento
   queda atado directamente al progreso del scroll (transición continua,
   sin depender de JS/IntersectionObserver). script.js detecta el soporte
   y desactiva el observer en ese caso para no pelear con esta animación. */
@supports (animation-timeline: view()) {
  .reveal {
    transition: none;
    animation: reveal-in linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 40%;
  }

  @keyframes reveal-in {
    to {
      opacity: 1;
      transform: translate(0, 0) scale(1);
    }
  }
}

/* ---------- Animación de entrada (contenido ya visible al cargar) ----------
   El hero es lo primero que ve el usuario: nunca "entra" por scroll, así que
   no debe usar animation-timeline (con .reveal quedaba a medio progreso y se
   veía difuminado). Esta clase se dispara una sola vez al cargar la página. */
.intro {
  opacity: 0;
  transform: translateY(24px) scale(0.97);
  animation: intro-in 700ms cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: var(--reveal-delay, 0ms);
}
.intro-right {
  transform: translate(40px, 16px) scale(0.97);
}
@keyframes intro-in {
  to {
    opacity: 1;
    transform: translate(0, 0) scale(1);
  }
}

/* ---------- Footer (columnas) ---------- */
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.site-footer .footer-name { color: #fff; font-size: 1.15rem; font-weight: 700; margin-bottom: 0.4rem; }
.footer-brand p:not(.footer-name) { color: rgba(255, 255, 255, 0.6); max-width: 36ch; }
.site-footer .footer-title {
  color: #fff;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.footer-col ul { display: grid; gap: 0.45rem; }
.footer-col a,
.footer-link-btn {
  color: rgba(255, 255, 255, 0.72);
  transition: color var(--transition-fast);
}
.footer-link-btn {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  text-align: left;
}
.footer-col a:hover,
.footer-link-btn:hover { color: #fff; }

@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

/* ---------- Aviso de cookies ---------- */
.cookie-banner {
  position: fixed;
  left: var(--space-sm);
  right: var(--space-sm);
  bottom: calc(var(--space-sm) + env(safe-area-inset-bottom, 0px));
  z-index: 400;
  max-width: 560px;
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-md);
  box-shadow: 0 20px 50px rgba(7, 26, 51, 0.25);
  animation: cookie-in 320ms cubic-bezier(0.16, 1, 0.3, 1);
}
.cookie-banner[hidden] { display: none; }
@keyframes cookie-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.cookie-banner h2 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}
.cookie-banner p { font-size: 0.9rem; margin-bottom: var(--space-sm); }
.cookie-banner p a { color: var(--color-accent); text-decoration: underline; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.cookie-actions .btn { flex: 1 1 140px; text-align: center; padding: 0.7rem 1rem; }
.btn-outline {
  background: #fff;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); }

@media (min-width: 720px) {
  .cookie-banner { left: var(--space-md); right: auto; bottom: var(--space-md); }
}

/* =========================================================
   Móvil y tablet
   Teléfono: < 600px · Tablet: 600px–959px · Escritorio: ≥ 960px
   ========================================================= */

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { overflow-x: hidden; -webkit-tap-highlight-color: rgba(37, 99, 235, 0.12); }
@supports (overflow: clip) { body { overflow-x: clip; } }

.section h2 { font-size: clamp(1.45rem, 1.1rem + 1.6vw, 1.75rem); }

/* Los efectos hover solo en dispositivos con puntero real: en pantallas
   táctiles se quedaban "pegados" después de tocar una tarjeta. */
@media (hover: none) {
  .card:hover,
  .btn-primary:hover { transform: none; box-shadow: none; }
  .card:hover { border-color: var(--color-border); }
}

/* ---------- Menú móvil ---------- */
.nav-backdrop {
  position: fixed;
  inset: var(--header-height) 0 0;
  z-index: 90;
  background: rgba(7, 26, 51, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.nav-backdrop.is-visible { opacity: 1; visibility: visible; }
body.nav-open { overflow: hidden; }

/* El aviso de cookies no debe tapar el menú ni el modal mientras están abiertos */
body.nav-open .cookie-banner,
body.modal-open .cookie-banner { display: none; }

@media (max-width: 859px) {
  .nav-toggle {
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    margin-right: -0.5rem;
  }
  .site-nav {
    box-shadow: 0 18px 30px rgba(7, 26, 51, 0.12);
  }
  .site-nav.is-open {
    max-height: calc(100vh - var(--header-height));
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
  }
  .site-nav ul { padding: 0.5rem var(--space-md) calc(1rem + env(safe-area-inset-bottom, 0px)); }
  .site-nav a {
    display: flex;
    align-items: center;
    min-height: 52px;
    padding: 0;
    font-size: 1.05rem;
  }
  .site-nav a.is-active { font-weight: 600; }
  .site-nav a.nav-link-external { display: flex; }
}
@media (min-width: 860px) {
  .nav-backdrop { display: none; }
}

/* ---------- Teléfono ---------- */
@media (max-width: 599px) {
  :root {
    --space-md: 1.25rem;
    --space-lg: 2.25rem;
    --space-xl: 3.5rem;
    --header-height: 60px;
  }

  .logo-img { height: 26px; }

  /* Hero más compacto: el mensaje y los botones caben en la primera pantalla */
  .hero { padding: 2.75rem 0 3rem; }
  .hero h1 { font-size: clamp(1.8rem, 8vw, 2.25rem); margin-bottom: var(--space-sm); }
  .hero-sub { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; padding: 0.95rem 1.25rem; }
  .hero-illustration { max-width: 340px; }

  /* Quiénes somos */
  #quienes-somos p { font-size: 1rem; }
  .quienes-illustration { max-width: 280px; }

  /* Servicios: ilustración más baja para no ocupar media pantalla por tarjeta */
  .card-illustration { max-height: 140px; width: auto; }
  .card .btn-link { min-height: 44px; padding-top: 0.5rem; }

  /* Por qué Aironix: filas con icono a la izquierda, mucho más compactas */
  #por-que-aironix .container { text-align: left; }
  #por-que-aironix h2 { margin-left: 0; }
  .points { gap: var(--space-md); justify-items: stretch; }
  .points li {
    display: grid;
    grid-template-columns: 48px 1fr;
    column-gap: 1rem;
    align-items: start;
    max-width: none;
  }
  .points .icon-badge { grid-row: span 2; margin-bottom: 0; }
  .points h3 { margin-bottom: 0.25rem; }

  /* Contacto: etiqueta arriba y valor abajo, con áreas táctiles amplias */
  .contact-details div { flex-direction: column; gap: 0.2rem; }
  .social-links { justify-content: flex-start; gap: 0 1.25rem; }
  .contact-details a { display: inline-flex; align-items: center; min-height: 40px; }
  .contact-form { padding: var(--space-md) 1.1rem; }
  .btn-submit { width: 100%; padding: 1rem; }

  /* Footer: marca arriba y enlaces en dos columnas */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-md) 1rem; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col:last-child { grid-column: 1 / -1; }
  .footer-col ul { gap: 0; }
  .footer-col a,
  .footer-link-btn { display: inline-flex; align-items: center; min-height: 40px; }
  .site-footer { padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0px)); }

  /* Modal de servicios como hoja inferior (bottom sheet) */
  .modal { align-items: flex-end; padding: 0; }
  .modal-dialog {
    max-width: none;
    max-height: 88vh;
    max-height: 88dvh;
    border-radius: 18px 18px 0 0;
    padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom, 0px));
    animation: sheet-in 280ms cubic-bezier(0.16, 1, 0.3, 1);
  }
  .modal-dialog::before {
    content: "";
    position: absolute;
    top: 8px;
    left: 50%;
    width: 40px;
    height: 4px;
    margin-left: -20px;
    border-radius: 2px;
    background: rgba(11, 37, 69, 0.2);
    z-index: 2;
  }
  .modal-media { border-radius: 18px 18px 0 0; padding-top: 1.75rem; }
  .modal-close { width: 40px; height: 40px; }

  /* Aviso de cookies anclado al borde inferior */
  .cookie-banner {
    left: 0;
    right: 0;
    bottom: 0;
    max-width: none;
    border-radius: 16px 16px 0 0;
    border-bottom: none;
    padding: 1.1rem var(--space-md) calc(1.1rem + env(safe-area-inset-bottom, 0px));
  }
  .cookie-banner h2 { font-size: 1rem; margin-bottom: 0.25rem; }
  .cookie-banner p { font-size: 0.85rem; line-height: 1.5; margin-bottom: 0.85rem; }
  .cookie-extra { display: none; }
  .cookie-actions .btn { flex: 1 1 0; min-height: 46px; }

  /* Sin desplazamientos laterales en las animaciones: evitan scroll horizontal */
  .reveal-left,
  .reveal-right { transform: translateY(24px) scale(0.98); }

  /* Legal */
  .legal-content p,
  .legal-content li { text-align: left; }
}

@keyframes sheet-in {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* ---------- Tablet ---------- */
@media (min-width: 600px) and (max-width: 959px) {
  :root { --space-xl: 4rem; }

  .hero-copy { max-width: 620px; }
  .hero-illustration { max-width: 460px; }

  /* Servicios: tarjetas horizontales (ilustración a la izquierda) en lugar de
     tres columnas estrechas */
  .cards { grid-template-columns: 1fr; }
  .card {
    display: grid;
    grid-template-columns: 190px 1fr;
    grid-template-rows: auto auto 1fr;
    column-gap: var(--space-md);
    align-items: start;
  }
  .card-illustration {
    grid-row: 1 / span 3;
    align-self: center;
    margin: 0;
  }
  .card .btn-link { min-height: 44px; }

  /* Footer: marca en su propia fila y tres columnas de enlaces */
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (min-width: 600px) and (max-width: 859px) {
  .quienes-illustration { max-width: 340px; }
}

/* Teléfono en horizontal: el hero no necesita tanto aire vertical */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { padding: 2rem 0; }
  .hero-illustration { max-width: 300px; }
}