/* ==========================================================================
   AYC GASES — Neumorphism / Soft-UI
   ==========================================================================
   Paleta: superficie fría clara (#E7ECEF) con textos oscuros de alto
   contraste (>=4.5:1 verificado con WCAG) y dos acentos:
     - Teal técnico (#0B6E7F / #085563)  -> confianza industrial
     - Terracota cálido (#9A4A0C / #B5590E) -> calidez humana (salud/hogar)
   Tipografía: Lexend (headings, alta legibilidad) + Source Sans 3 (cuerpo).
   Profundidad: exclusivamente luz/sombra (dos sombras opuestas), sin bordes
   duros ni degradados de color agresivos.
   ========================================================================== */

/* -------------------- Design tokens -------------------- */
:root {
  /* Base surface */
  --color-bg: #e7ecef;
  --color-bg-rgb: 231, 236, 239;

  /* Text */
  --color-text: #1e2a32;
  --color-text-muted: #47586a;
  --color-text-on-dark: #f3f6f7;
  --color-text-on-dark-muted: #d3dde0;

  /* Brand accents */
  --color-primary: #0b6e7f;
  --color-primary-dark: #085563;
  --color-primary-light: #37909f;
  --color-primary-rgb: 11, 110, 127;

  --color-warm: #9a4a0c;
  --color-warm-solid: #b5590e;
  --color-warm-rgb: 181, 89, 14;

  /* Neumorphic shadow pair (cool-grey, matched to background hue, not black) */
  --shadow-light: rgba(255, 255, 255, 0.85);
  --shadow-dark: rgba(163, 177, 194, 0.65);
  --shadow-dark-strong: rgba(148, 163, 184, 0.85);

  /* Radii */
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --radius-pill: 999px;

  /* Spacing (8pt-ish scale) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* Type */
  --font-heading: "Lexend", "Segoe UI", system-ui, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;

  --transition-fast: 150ms ease;
  --transition: 220ms ease;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);

  --container-max: 1200px;
  --header-h: 104px;
}

/* -------------------- Reset -------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body, h1, h2, h3, p, ul, figure, blockquote { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; }

html, body { min-height: 100%; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.25;
  font-weight: 600;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

/* -------------------- Accessibility helpers -------------------- */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  background: var(--color-primary-dark);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transform: translateY(-120px);
  transition: transform var(--transition-fast);
}
.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--color-primary-dark);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
/* On dark hero backgrounds a darker outline can vanish; use light outline there */
.hero-slide :focus-visible,
.mobile-nav :focus-visible {
  outline-color: #ffffff;
}

/* -------------------- Neumorphic primitives -------------------- */
.nm-surface,
.nm-card,
.nm-btn,
.nm-icon-btn,
.nm-chip {
  background: var(--color-bg);
}

.nm-card {
  border-radius: var(--radius-md);
  box-shadow: 9px 9px 18px var(--shadow-dark), -9px -9px 18px var(--shadow-light);
  padding: var(--space-6);
  transition: transform var(--transition), box-shadow var(--transition);
}

.nm-card--media {
  padding: var(--space-3);
  overflow: hidden;
}
.nm-card--media img,
.nm-card--media iframe {
  border-radius: calc(var(--radius-md) - 8px);
  width: 100%;
  display: block;
  object-fit: cover;
}

/* Concave / inset surface (used for pressed states & frames) */
.nm-inset {
  border-radius: var(--radius-md);
  box-shadow: inset 6px 6px 12px var(--shadow-dark), inset -6px -6px 12px var(--shadow-light);
}

/* -------------------- Buttons -------------------- */
.nm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  min-height: 48px;
  box-shadow: 7px 7px 14px var(--shadow-dark), -7px -7px 14px var(--shadow-light);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  color: var(--color-primary-dark);
}
@media (hover: hover) and (pointer: fine) {
  .nm-btn:hover { transform: translateY(-2px); }
}
.nm-btn:active {
  transform: translateY(0);
  box-shadow: inset 4px 4px 10px var(--shadow-dark), inset -4px -4px 10px var(--shadow-light);
}

.nm-btn--primary {
  color: #ffffff;
  background: linear-gradient(145deg, var(--color-primary), var(--color-primary-dark));
  box-shadow: 7px 7px 16px rgba(6, 45, 52, 0.45), -6px -6px 14px rgba(90, 176, 190, 0.35);
}
.nm-btn--primary:active {
  box-shadow: inset 4px 4px 10px rgba(4, 33, 38, 0.55), inset -3px -3px 8px rgba(110, 190, 202, 0.3);
}

.nm-btn--ghost {
  background: var(--color-bg);
  color: var(--color-primary-dark);
}

.nm-btn--sm { padding: 10px 22px; min-height: 40px; font-size: 0.85rem; }
.nm-btn--lg { padding: 18px 36px; font-size: 1.05rem; }

.nm-icon-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
  color: var(--color-primary-dark);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  flex: none;
}
@media (hover: hover) and (pointer: fine) {
  .nm-icon-btn:hover { transform: translateY(-1px); }
}
.nm-icon-btn:active {
  box-shadow: inset 3px 3px 8px var(--shadow-dark), inset -3px -3px 8px var(--shadow-light);
}

.nm-link {
  color: var(--color-primary-dark);
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast);
}
.nm-link:hover { border-color: var(--color-primary-dark); }

.nm-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  color: var(--color-primary-dark);
  box-shadow: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light);
}

/* -------------------- Icons -------------------- */
.icon {
  width: 20px;
  height: 20px;
  flex: none;
}
.icon--lg { width: 28px; height: 28px; }
.icon--xl { width: 36px; height: 36px; }

/* -------------------- Typography helpers -------------------- */
.eyebrow {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--color-warm);
  margin-bottom: var(--space-3);
}
.eyebrow--on-dark { color: #ffd9ad; }

.section-title {
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  margin-bottom: var(--space-5);
}

.lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: 62ch;
}
.lead--centered { margin-inline: auto; text-align: center; }

.section-head {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: var(--space-7);
}
.section-head .lead { margin-inline: auto; }

p { color: var(--color-text-muted); }
p:not([class]) + p:not([class]) { margin-top: var(--space-3); }

/* -------------------- Layout sections -------------------- */
.section { padding-block: var(--space-9); }
.section--muted { background: rgba(var(--color-bg-rgb), 1); }

.grid {
  display: grid;
  gap: var(--space-6);
}
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

/* -------------------- Topbar -------------------- */
.topbar {
  background: var(--color-bg);
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(163, 177, 194, 0.35);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-2);
  flex-wrap: wrap;
}
.topbar__msg { color: var(--color-text-muted); font-weight: 600; }
.topbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.topbar__social { display: flex; gap: var(--space-3); }
.topbar__social a {
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-primary-dark);
  box-shadow: 3px 3px 7px var(--shadow-dark), -3px -3px 7px var(--shadow-light);
  transition: transform var(--transition-fast);
}
@media (hover: hover) and (pointer: fine) {
  .topbar__social a:hover { transform: translateY(-1px); }
}
.topbar__social .icon { width: 15px; height: 15px; }
.topbar__contact {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  font-weight: 600;
}
.topbar__contact .icon { width: 16px; height: 16px; color: var(--color-primary-dark); }

@media (max-width: 640px) {
  .topbar__msg { display: none; }
}

/* -------------------- Header / nav -------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--color-bg);
  box-shadow: 0 10px 24px -14px var(--shadow-dark-strong);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; gap: var(--space-3); }
.brand__logo {
  height: 44px;
  width: auto;
  flex: none;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; }
.brand__tag { font-size: 0.72rem; color: var(--color-warm); font-weight: 600; letter-spacing: 0.04em; }

.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav__list a {
  position: relative;
  padding-block: var(--space-2);
}
.main-nav__list a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-primary-dark);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}
.main-nav__list a:focus-visible::after { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) {
  .main-nav__list a:hover::after { transform: scaleX(1); }
}

.site-header__actions { display: flex; align-items: center; gap: var(--space-4); }
.nav-toggle { display: none; }
.nav-toggle .icon { transition: transform 200ms var(--ease-in-out); }
.nav-toggle[aria-expanded="true"] .icon { transform: rotate(90deg); }

@media (max-width: 960px) {
  .main-nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* Mobile offcanvas */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(20, 30, 36, 0.45);
  opacity: 0;
  display: flex;
  justify-content: flex-end;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
.mobile-nav[hidden] { display: none; }
.mobile-nav.is-open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav__panel {
  width: min(340px, 86vw);
  height: 100%;
  border-radius: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-6);
  box-shadow: -14px 0 32px rgba(30, 42, 50, 0.35);
  transform: translateX(100%);
  transition: transform 280ms var(--ease-drawer);
}
.mobile-nav.is-open .mobile-nav__panel {
  transform: translateX(0);
}
.mobile-nav__head { display: flex; align-items: center; justify-content: space-between; }
.mobile-nav__list { display: flex; flex-direction: column; gap: var(--space-2); }
.mobile-nav__list a {
  display: block;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
}
.mobile-nav__list a:hover,
.mobile-nav__list a:focus-visible {
  box-shadow: inset 4px 4px 9px var(--shadow-dark), inset -4px -4px 9px var(--shadow-light);
}
.mobile-nav__cta { width: 100%; }
.mobile-nav__contact { display: flex; flex-direction: column; gap: var(--space-3); margin-top: auto; }
.mobile-nav__contact a { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 600; }
.mobile-nav__contact .icon { color: var(--color-primary-dark); }

/* -------------------- Hero -------------------- */
.hero { position: relative; }
.hero-slider { position: relative; height: 640px; max-height: 82vh; overflow: hidden; }
.hero-slider__track { position: relative; height: 100%; }

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  background-image: var(--slide-bg);
  background-size: cover;
  background-position: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 700ms var(--ease-out), visibility 700ms var(--ease-out);
}
.hero-slide.is-active { opacity: 1; visibility: visible; }

.hero-slide__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(15, 25, 30, 0.72) 0%, rgba(15, 25, 30, 0.5) 45%, rgba(15, 25, 30, 0.28) 100%);
}

.hero-slide__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}
.hero-slide__title {
  color: #ffffff;
  font-size: clamp(1.8rem, 1.2rem + 2.6vw, 3.1rem);
  margin-bottom: var(--space-5);
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

.hero-slider__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(231, 236, 239, 0.9);
  color: var(--color-primary-dark);
  box-shadow: 6px 6px 14px rgba(0, 0, 0, 0.25), -4px -4px 10px rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: transform var(--transition-fast);
}
@media (hover: hover) and (pointer: fine) {
  .hero-slider__arrow:hover { transform: translateY(-50%) scale(1.05); }
}
.hero-slider__arrow:active {
  transform: translateY(-50%) scale(0.96);
  box-shadow: inset 4px 4px 10px rgba(0, 0, 0, 0.25), inset -3px -3px 8px rgba(255, 255, 255, 0.4);
}
.hero-slider__arrow--prev { left: var(--space-5); }
.hero-slider__arrow--next { right: var(--space-5); }

.hero-slider__dots {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: inline-flex;
  gap: var(--space-3);
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: rgba(231, 236, 239, 0.85);
  box-shadow: 5px 5px 12px rgba(0, 0, 0, 0.2), -3px -3px 8px rgba(255, 255, 255, 0.5);
}
.hero-slider__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--color-primary-light);
  opacity: 0.5;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.hero-slider__dot.is-active { opacity: 1; background: var(--color-primary-dark); transform: scale(1.15); }

@media (max-width: 640px) {
  .hero-slider { height: 520px; }
  .hero-slider__arrow { width: 42px; height: 42px; }
  .hero-slider__arrow--prev { left: var(--space-3); }
  .hero-slider__arrow--next { right: var(--space-3); }
}

.hero-band { padding-block: var(--space-6); }
.hero-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.hero-band__title {
  font-size: 1.4rem;
  max-width: 46ch;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  padding-bottom: var(--space-8);
}
.stat-card {
  text-align: center;
  padding: var(--space-6) var(--space-4);
}
.stat-card__number {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2rem, 1.6rem + 1.4vw, 2.6rem);
  color: var(--color-primary-dark);
}
.stat-card__label {
  display: block;
  margin-top: var(--space-2);
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}
@media (max-width: 640px) {
  .stats { grid-template-columns: 1fr; }
}

/* -------------------- About / Nosotros -------------------- */
.about {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 900px) {
  .about { grid-template-columns: 0.9fr 1.1fr; }
}
.about__media { position: relative; }
.about__image-frame img { aspect-ratio: 4 / 3; object-fit: cover; }
.about__brand-chip {
  position: absolute;
  bottom: -28px;
  right: -12px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  max-width: 240px;
}
.about__brand-chip .icon { color: var(--color-warm-solid); }
.about__brand-chip strong { display: block; font-family: var(--font-heading); }
.about__brand-chip span { display: block; font-size: 0.8rem; color: var(--color-text-muted); }

.checklist { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-5); }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--color-text);
  font-weight: 500;
}
.checklist__icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  color: var(--color-primary-dark);
  box-shadow: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);
}
.checklist__icon .icon { width: 15px; height: 15px; }
.checklist--compact { margin-top: var(--space-4); }

/* -------------------- Services / Products cards -------------------- */
.service-card, .product-card { display: flex; flex-direction: column; }
.service-card__image { margin-bottom: var(--space-5); }
.service-card__image img { aspect-ratio: 4 / 3; object-fit: cover; }
.service-card__icon, .product-card__icon, .oxygen__col-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  box-shadow: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light);
  margin-bottom: var(--space-4);
}
.service-card h3, .product-card h3 { margin-bottom: var(--space-3); font-size: 1.2rem; }
.service-card p, .product-card p { margin-bottom: var(--space-4); }
.service-card .nm-link { margin-top: auto; }

.products-cta { text-align: center; margin-top: var(--space-7); }

/* -------------------- Planta -------------------- */
.plant {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 900px) {
  .plant { grid-template-columns: 0.95fr 1.05fr; }
}
.plant__image-frame img { aspect-ratio: 4 / 3; object-fit: cover; }
.plant__video-chip {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
@media (hover: hover) and (pointer: fine) {
  .plant__video-chip:hover { transform: translateY(-2px); }
}
.plant__video-chip:active {
  transform: translateY(0);
  box-shadow: inset 4px 4px 9px var(--shadow-dark), inset -4px -4px 9px var(--shadow-light);
}
.plant__video-icon {
  width: 44px; height: 44px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 4px 4px 9px var(--shadow-dark), -4px -4px 9px var(--shadow-light);
  color: var(--color-warm-solid);
  flex: none;
}
.quality-chips { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-block: var(--space-5); }

/* -------------------- Oxígeno especializado -------------------- */
.oxygen__layout { display: grid; gap: var(--space-6); margin-bottom: var(--space-7); }
.oxygen__image-frame img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.oxygen__cols { margin-top: 0; }
.oxygen__col { text-align: center; }
.oxygen__col h3 { margin-bottom: var(--space-2); font-size: 1.1rem; }
.oxygen__cta { text-align: center; }
@media (min-width: 900px) {
  .oxygen__image-frame img { aspect-ratio: 21 / 9; }
}

/* -------------------- Testimonios -------------------- */
.testimonial-slider__viewport { overflow: hidden; }
.testimonial-slider__track { position: relative; display: grid; }
.testimonial-slide {
  /* Todas las diapositivas ocupan la misma celda de grid (crossfade real:
     tanto la que entra como la que sale animan su opacity, sin display:none
     instantáneo ni salto de layout — ver auditoría M4/H1). */
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transition: opacity 220ms var(--ease-out), visibility 220ms var(--ease-out);
}
.testimonial-slide.is-active {
  opacity: 1;
  visibility: visible;
}

.testimonial-card {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}
.testimonial-card__quote {
  display: inline-flex;
  width: 56px; height: 56px;
  border-radius: 50%;
  align-items: center; justify-content: center;
  color: var(--color-warm-solid);
  box-shadow: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light);
  margin-bottom: var(--space-4);
}
.testimonial-card p {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}
.testimonial-card footer strong { display: block; font-family: var(--font-heading); }
.testimonial-card footer span { font-size: 0.85rem; color: var(--color-text-muted); }

.testimonial-slider__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.testimonial-slider__dots { display: inline-flex; gap: var(--space-2); }
.testimonial-slider__dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--color-primary-light);
  opacity: 0.5;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.testimonial-slider__dot.is-active { opacity: 1; background: var(--color-primary-dark); transform: scale(1.15); }

/* -------------------- Contacto -------------------- */
.contact__actions {
  display: grid;
  gap: var(--space-5);
  max-width: 720px;
  margin: 0 auto var(--space-7);
}
@media (min-width: 640px) {
  .contact__actions { grid-template-columns: repeat(2, 1fr); }
}
.contact__action-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
  cursor: pointer;
}
@media (hover: hover) and (pointer: fine) {
  .contact__action-card:hover {
    transform: translateY(-3px);
    box-shadow: 11px 11px 20px var(--shadow-dark), -11px -11px 20px var(--shadow-light);
  }
}
.contact__action-card:active {
  transform: translateY(0);
  box-shadow: inset 5px 5px 10px var(--shadow-dark), inset -5px -5px 10px var(--shadow-light);
}
.contact__action-icon {
  width: 64px; height: 64px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--color-primary-dark);
  box-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
  margin-bottom: var(--space-2);
}
.contact__action-label { font-family: var(--font-heading); font-weight: 600; color: var(--color-text); }
.contact__action-value { color: var(--color-primary-dark); font-weight: 600; }

.contact__map-frame { max-width: 960px; margin-inline: auto; }
.contact__map-frame iframe {
  width: 100%;
  height: 360px;
  border: 0;
}

/* -------------------- Fallback placeholders (imágenes rotas) -------------------- */
.img-fallback {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: calc(var(--radius-md) - 8px);
  background: linear-gradient(145deg, #dbe2e6, #eef2f4);
  box-shadow: inset 4px 4px 10px var(--shadow-dark), inset -4px -4px 10px var(--shadow-light);
  color: var(--color-primary-dark);
}
.img-fallback .icon { width: 25%; height: 25%; opacity: 0.55; }

/* -------------------- Footer -------------------- */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid rgba(163, 177, 194, 0.35);
  padding-top: var(--space-8);
}
.site-footer__grid {
  display: grid;
  gap: var(--space-7);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-7);
}
@media (min-width: 720px) {
  .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr; }
}
.site-footer__about p { margin-block: var(--space-3); max-width: 34ch; }
.brand--footer { display: inline-flex; align-items: center; gap: var(--space-3); }
.site-footer__social { display: flex; gap: var(--space-3); margin-top: var(--space-3); }
.site-footer__social a {
  width: 38px; height: 38px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--color-primary-dark);
  box-shadow: 4px 4px 9px var(--shadow-dark), -4px -4px 9px var(--shadow-light);
}
.site-footer__col h3 {
  font-size: 1rem;
  margin-bottom: var(--space-4);
  color: var(--color-primary-dark);
}
.site-footer__col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.site-footer__col a, .site-footer__col p { color: var(--color-text-muted); font-weight: 500; }
.site-footer__col a:hover { color: var(--color-primary-dark); }
.site-footer__contact p { display: flex; align-items: flex-start; gap: var(--space-2); margin-bottom: var(--space-2); }
.site-footer__contact .icon { color: var(--color-primary-dark); margin-top: 2px; }
.site-footer__contact a { display: inline-flex; align-items: center; gap: var(--space-2); }

.site-footer__bottom {
  border-top: 1px solid rgba(163, 177, 194, 0.35);
  padding-block: var(--space-4);
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* -------------------- Cookie consent banner -------------------- */
.cookie-banner {
  position: fixed;
  left: var(--space-4);
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 400;
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  transform: translateY(140%);
  opacity: 0;
  visibility: hidden;
  transition: transform 260ms var(--ease-out), opacity 260ms var(--ease-out), visibility 260ms var(--ease-out);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
.cookie-banner__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.cookie-banner__text {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.cookie-banner__actions {
  display: flex;
  flex-direction: column;
  align-self: stretch;
  gap: var(--space-3);
  flex: none;
}
.cookie-banner__reject,
.cookie-banner__accept {
  justify-content: center;
}
@media (min-width: 640px) {
  .cookie-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
  }
  .cookie-banner__actions { flex-direction: row; align-self: center; }
}

/* -------------------- Utility -------------------- */
.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;
}