/* =========================================================
   MULTI LIMPIEZA — Design System
   HTML5 / CSS3 nativo — sin frameworks ni dependencias externas
   ========================================================= */

/* ---------- Fuentes autoalojadas ---------- */
@font-face {
  font-family: "Barlow Semi Condensed";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/barlow-semicondensed-500.woff2") format("woff2");
}
@font-face {
  font-family: "Barlow Semi Condensed";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/barlow-semicondensed-600.woff2") format("woff2");
}
@font-face {
  font-family: "Barlow Semi Condensed";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../assets/fonts/barlow-semicondensed-700.woff2") format("woff2");
}
@font-face {
  font-family: "Barlow Semi Condensed";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("../assets/fonts/barlow-semicondensed-800.woff2") format("woff2");
}
@font-face {
  font-family: "Karla";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../assets/fonts/karla-variable.woff2") format("woff2");
}

/* ---------- Tokens ---------- */
:root {
  /* Paleta extraída del isologo original (oval institucional + gotas de agua) */
  --c-navy-900: #041c48;
  --c-navy-800: #08296c;
  --c-navy-700: #0d3a92;
  --c-navy-600: #1150c4;
  --c-cyan-600: #00768a; /* oscurecido desde #009fb0 para cumplir contraste AA (4.5:1) sobre blanco */
  --c-cyan-500: #00b9cc;
  --c-cyan-400: #35d6e6;
  --c-cyan-300: #9aeef2;
  --c-cyan-050: #eafcfd;
  --c-teal-mist: #7ebec5;
  --c-amber: #f2b807;

  --c-ink: #071a33;
  --c-ink-soft: #45566e;
  --c-paper: #f6f9fa;
  --c-paper-alt: #eaf2f4;
  --c-white: #ffffff;
  --c-border: #d9e3e7;

  --font-display: "Barlow Semi Condensed", "Arial Narrow", sans-serif;
  --font-body: "Karla", "Segoe UI", sans-serif;

  --container-w: 1240px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;

  --shadow-sm: 0 2px 10px rgba(4, 28, 72, 0.08);
  --shadow-md: 0 12px 32px rgba(4, 28, 72, 0.14);
  --shadow-lg: 0 24px 60px rgba(4, 28, 72, 0.22);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 200ms;
  --dur-med: 450ms;
  --dur-slow: 800ms;

  --header-h: 84px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-ink);
  background: var(--c-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p { margin: 0; }
svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

@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;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--c-cyan-500);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Utilidades de layout ---------- */
.c-container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

#top, #nosotros, #servicios, #pilares, #proceso, #contacto { scroll-margin-top: var(--header-h); }

.c-section { padding-block: clamp(4rem, 9vw, 7.5rem); }
.c-section--alt { background: var(--c-paper-alt); }

.c-section__head { max-width: 46rem; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.c-section__lead { margin-top: 1.25rem; font-size: 1.0625rem; color: var(--c-ink-soft); max-width: 40rem; }

.c-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-cyan-600);
  margin: 0 0 1rem;
}
.c-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--c-amber);
  display: inline-block;
}
.c-eyebrow--light { color: var(--c-cyan-300); }

.c-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  color: var(--c-navy-900);
  max-width: 20ch;
}
.c-h2--light { color: var(--c-white); }

p { line-height: 1.7; }

/* ---------- Skip link ---------- */
.c-skip-link {
  position: absolute;
  left: 1rem;
  top: -60px;
  background: var(--c-navy-900);
  color: var(--c-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: top var(--dur-fast) var(--ease);
}
.c-skip-link:focus { top: 1rem; }

/* ---------- Botones ---------- */
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.01em;
  padding: 0.95rem 1.9rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.c-btn .c-icon { width: 18px; height: 18px; }

.c-btn--primary {
  background: linear-gradient(135deg, var(--c-navy-700), var(--c-navy-800));
  color: var(--c-white);
  box-shadow: var(--shadow-sm);
}
.c-btn--primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.c-btn--ghost-light {
  background: transparent;
  color: var(--c-white);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}
.c-btn--ghost-light:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--c-white); }

.c-btn--sm { padding: 0.6rem 1.25rem; font-size: 0.875rem; }

.c-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--c-navy-800);
  margin-top: 1.75rem;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--c-amber);
}
.c-link-arrow .c-icon { width: 18px; height: 18px; transition: transform var(--dur-fast) var(--ease); }
.c-link-arrow:hover .c-icon { transform: translateX(4px); }

/* ---------- Header ---------- */
.c-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--dur-med) var(--ease), height var(--dur-med) var(--ease), box-shadow var(--dur-med) var(--ease);
}
.c-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.c-header__brand { display: inline-flex; }
.c-header__logo { height: 58px; width: auto; transition: height var(--dur-med) var(--ease); }

.c-header.is-scrolled {
  height: calc(var(--header-h) - 18px);
  background: var(--c-white);
  box-shadow: var(--shadow-sm);
}
.c-header.is-scrolled .c-header__logo { height: 46px; }
.c-header.is-scrolled .c-nav__link { color: var(--c-ink); }
.c-header.is-scrolled .c-nav__link.is-active,
.c-header.is-scrolled .c-nav__link:hover { color: var(--c-navy-800); }

.c-nav__list { display: flex; align-items: center; gap: clamp(1.25rem, 2.5vw, 2.5rem); }
.c-nav__link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--c-white);
  position: relative;
  padding-block: 0.4rem;
  transition: color var(--dur-fast) var(--ease);
}
.c-nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--c-amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}
.c-nav__link:hover::after,
.c-nav__link.is-active::after { transform: scaleX(1); }
.c-nav__link.is-active { color: var(--c-cyan-300); }
.c-header.is-scrolled .c-nav__link.is-active { color: var(--c-navy-800); }

.c-header__actions { display: flex; align-items: center; gap: 1rem; }

.c-header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
}
.c-header__burger span {
  width: 20px;
  height: 2px;
  background: var(--c-white);
  margin-inline: auto;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.c-header.is-scrolled .c-header__burger span { background: var(--c-ink); }
.c-header__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.c-header__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.c-header__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .c-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 360px);
    height: 100vh;
    background: var(--c-navy-900);
    transform: translateX(100%);
    transition: transform var(--dur-med) var(--ease);
    padding: calc(var(--header-h) + 2rem) 2rem 2rem;
    box-shadow: var(--shadow-lg);
  }
  .c-nav.is-open { transform: translateX(0); }
  .c-nav__list { flex-direction: column; align-items: flex-start; gap: 1.75rem; }
  .c-nav__link { font-size: 1.25rem; color: var(--c-white); }
  .c-header__actions .c-btn--primary span { display: none; }
  .c-header__actions .c-btn--primary { padding: 0.6rem; }
  .c-header__actions .c-btn--primary .c-icon { width: 20px; height: 20px; }
  .c-header__burger { display: flex; }
}

/* ---------- Hero ---------- */
.c-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: var(--c-white);
  overflow: hidden;
  padding-top: var(--header-h);
}
.c-hero__media { position: absolute; inset: 0; z-index: 0; }
.c-hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; transform: scale(1.06); }
.c-hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(4,20,55,0.94) 5%, rgba(4,20,55,0.72) 42%, rgba(4,20,55,0.4) 100%),
    linear-gradient(0deg, rgba(4,20,55,0.55), rgba(4,20,55,0.1) 45%);
}

.c-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
  padding-block: clamp(3rem, 8vw, 5rem);
  width: 100%;
}
.c-hero__copy { max-width: 42rem; }
.c-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 5.6vw, 4.2rem);
  line-height: 1.03;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}
.c-hero__sub { font-size: clamp(1rem, 1.4vw, 1.2rem); color: rgba(255,255,255,0.86); max-width: 36rem; }
.c-hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.25rem; }

.c-hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.22);
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}
.c-hero__trust li { display: flex; align-items: center; gap: 0.5rem; }
.c-hero__trust li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-cyan-400);
  flex: none;
}

.c-hero__badge {
  background: rgba(7, 26, 51, 0.55);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  text-align: center;
  min-width: 190px;
}
.c-hero__badge-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3rem;
  line-height: 1;
  color: var(--c-cyan-300);
}
.c-hero__badge-label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.8);
}

.c-hero__scrollcue {
  position: absolute;
  left: 50%;
  bottom: clamp(1.25rem, 3vw, 2rem);
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255,255,255,0.55);
  border-radius: 999px;
  z-index: 1;
}
.c-hero__scrollcue span {
  position: absolute;
  top: 6px; left: 50%;
  width: 4px; height: 8px;
  border-radius: 999px;
  background: var(--c-cyan-300);
  transform: translateX(-50%);
  animation: scrollcue 1.8s var(--ease) infinite;
}
@keyframes scrollcue {
  0% { transform: translate(-50%, 0); opacity: 1; }
  70% { opacity: 0; }
  100% { transform: translate(-50%, 16px); opacity: 0; }
}

@media (max-width: 780px) {
  .c-hero__inner { grid-template-columns: 1fr; }
  .c-hero__badge { justify-self: start; }
}

/* ---------- Reveal on scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Nosotros ---------- */
.c-about__grid {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
.c-about__media { position: relative; }
.c-about__frame {
  position: absolute;
  inset: 1.25rem -1.25rem -1.25rem 1.25rem;
  border: 3px solid var(--c-cyan-400);
  border-radius: var(--radius-md);
  z-index: 0;
}
.c-about__media img {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-md);
  aspect-ratio: 1 / 1.05;
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

.c-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 2rem 0 0; }
.c-chip {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--c-navy-800);
  background: var(--c-cyan-050);
  border: 1px solid var(--c-border);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
}

@media (max-width: 860px) {
  .c-about__grid { grid-template-columns: 1fr; }
  .c-about__media { max-width: 26rem; }
}

/* ---------- Servicios ---------- */
.c-services__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.c-services__media { position: sticky; top: calc(var(--header-h) + 2rem); }
.c-services__media img { border-radius: var(--radius-md); aspect-ratio: 4/5; object-fit: cover; box-shadow: var(--shadow-md); }

.c-services__list { display: flex; flex-direction: column; }
.c-service {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: start;
  gap: 1.25rem;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--c-border);
  position: relative;
  transition: padding-left var(--dur-med) var(--ease);
}
.c-service:first-child { padding-top: 0; }
.c-service::before {
  content: "";
  position: absolute;
  left: -1.5rem; top: 0; bottom: 0;
  width: 3px;
  background: var(--c-amber);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur-med) var(--ease);
}
.c-service:hover::before,
.c-service:focus-within::before { transform: scaleY(1); }
.c-service:hover { padding-left: 0.75rem; }

.c-service__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--c-border);
}
.c-service__icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--c-cyan-050);
  color: var(--c-navy-700);
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.c-service__icon svg { width: 26px; height: 26px; }
.c-service__body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--c-navy-900);
  margin-bottom: 0.4rem;
}
.c-service__body p { color: var(--c-ink-soft); max-width: 34rem; }

@media (max-width: 860px) {
  .c-services__grid { grid-template-columns: 1fr; }
  .c-services__media { position: static; max-width: 22rem; }
  .c-service { grid-template-columns: auto 1fr; }
  .c-service__num { display: none; }
}

/* ---------- Pilares ---------- */
.c-pillars__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2rem);
}
.c-pillar--offset { margin-top: clamp(1.5rem, 4vw, 3rem); }
.c-pillar__media { position: relative; margin-bottom: 1.25rem; }
.c-pillar__media img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.c-pillar__index {
  position: absolute;
  left: -0.4rem; bottom: -0.9rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.75rem;
  color: var(--c-white);
  -webkit-text-stroke: 1.5px var(--c-navy-800);
  text-shadow: 0 2px 12px rgba(0,0,0,0.25);
}
.c-pillar h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; color: var(--c-navy-900); margin-bottom: 0.5rem; }
.c-pillar p { color: var(--c-ink-soft); font-size: 0.95rem; }

@media (max-width: 1000px) {
  .c-pillars__grid { grid-template-columns: repeat(2, 1fr); }
  .c-pillar--offset { margin-top: 0; }
  .c-pillar:nth-child(2n) { margin-top: clamp(1.5rem, 4vw, 3rem); }
}
@media (max-width: 560px) {
  .c-pillars__grid { grid-template-columns: 1fr; }
  .c-pillar:nth-child(2n) { margin-top: 0; }
}

/* ---------- Proceso ---------- */
.c-process__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
  position: relative;
}
.c-process__list::before {
  content: "";
  position: absolute;
  top: 1.4rem;
  left: 6%;
  right: 6%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--c-border) 0 10px, transparent 10px 18px);
}
.c-step { position: relative; }
.c-step__num {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 2.75rem; height: 2.75rem;
  border-radius: 50%;
  background: var(--c-navy-800);
  color: var(--c-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}
.c-step h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--c-navy-900); margin-bottom: 0.5rem; }
.c-step p { color: var(--c-ink-soft); font-size: 0.95rem; }

@media (max-width: 780px) {
  .c-process__list { grid-template-columns: 1fr; gap: 2.25rem; }
  .c-process__list::before { display: none; }
}

/* ---------- CTA banda parallax ---------- */
.c-cta-band {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
  color: var(--c-white);
  overflow: hidden;
}
.c-cta-band__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4,20,55,0.55) 0%, rgba(4,20,55,0.88) 100%);
}
.c-cta-band__inner { position: relative; z-index: 1; text-align: center; margin-inline: auto; max-width: 42rem; }
.c-cta-band__inner .c-eyebrow { justify-content: center; }
.c-cta-band__inner .c-h2 { max-width: none; margin-bottom: 2rem; }

@media (min-width: 900px) {
  .c-cta-band { background-attachment: fixed; }
}

/* ---------- Contacto ---------- */
.c-contact__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.c-form { display: flex; flex-direction: column; gap: 1.25rem; }
.c-form__row { display: flex; flex-direction: column; gap: 0.5rem; }
.c-form__row label { font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; color: var(--c-navy-900); }
.c-form__row input, .c-form__row textarea {
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  background: var(--c-white);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  resize: vertical;
}
.c-form__row input:focus, .c-form__row textarea:focus {
  border-color: var(--c-cyan-500);
  box-shadow: 0 0 0 4px var(--c-cyan-050);
  outline: none;
}
.c-form__row.has-error input, .c-form__row.has-error textarea { border-color: #d64545; }
.c-form__submit { margin-top: 0.5rem; align-self: flex-start; }
.c-form__note { font-size: 0.875rem; color: var(--c-cyan-600); min-height: 1.2em; font-weight: 600; }

.c-info-list { display: flex; flex-direction: column; gap: 1.5rem; }
.c-info-list li { display: flex; gap: 1rem; align-items: flex-start; }
.c-info-list__icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--c-navy-800);
  color: var(--c-white);
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.c-info-list__icon svg { width: 20px; height: 20px; }
.c-info-list h3 { font-family: var(--font-display); font-weight: 700; font-size: 1rem; color: var(--c-navy-900); margin-bottom: 0.2rem; }
.c-info-list p { color: var(--c-ink-soft); font-size: 0.95rem; }
.c-info-list a:hover { color: var(--c-cyan-600); }

.c-social { display: flex; gap: 0.75rem; margin-top: 2rem; }
.c-social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--c-border);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.c-social a svg { width: 18px; height: 18px; }
.c-social a:hover { background: var(--c-navy-800); border-color: var(--c-navy-800); color: var(--c-white); transform: translateY(-2px); }

.c-map { margin-top: clamp(3rem, 6vw, 4.5rem); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); line-height: 0; }
.c-map iframe { width: 100%; display: block; filter: grayscale(0.15) contrast(1.05); }

@media (max-width: 860px) {
  .c-contact__grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.c-footer { background: var(--c-navy-900); color: rgba(255,255,255,0.82); }
.c-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-block: clamp(3.5rem, 7vw, 5rem);
}
.c-footer__brand p { margin-top: 1.25rem; font-size: 0.9rem; max-width: 26rem; color: rgba(255,255,255,0.65); }
.c-footer__brand .c-social a { border-color: rgba(255,255,255,0.25); color: var(--c-white); }
.c-footer__brand .c-social a:hover { background: var(--c-cyan-500); border-color: var(--c-cyan-500); }

.c-footer__col h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--c-white);
  margin-bottom: 1.25rem;
}
.c-footer__col ul { display: flex; flex-direction: column; gap: 0.75rem; font-size: 0.9rem; }
.c-footer__col a:hover { color: var(--c-cyan-300); }
.c-footer__contact li { color: rgba(255,255,255,0.75); }

.c-footer__bottom { border-top: 1px solid rgba(255,255,255,0.14); }
.c-footer__bottom-inner { padding-block: 1.5rem; font-size: 0.825rem; color: rgba(255,255,255,0.55); }

@media (max-width: 900px) {
  .c-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .c-footer__grid { grid-template-columns: 1fr; }
}

/* ---------- Botón flotante WhatsApp ---------- */
.c-fab {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #23c45e;
  color: var(--c-white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 400;
  transition: transform var(--dur-fast) var(--ease);
}
.c-fab svg { width: 30px; height: 30px; position: relative; z-index: 1; }
.c-fab:hover { transform: scale(1.08); }
.c-fab__ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid #23c45e;
  animation: fabpulse 2.4s var(--ease) infinite;
}
@keyframes fabpulse {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.55); opacity: 0; }
}

/* ---------- Volver arriba ---------- */
.c-to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(4.75rem, 3vw, 5.75rem);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--c-white);
  color: var(--c-navy-800);
  border: 1.5px solid var(--c-border);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
  z-index: 400;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), visibility var(--dur-fast);
}
.c-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.c-to-top svg { width: 20px; height: 20px; }

/* ---------- Print ---------- */
@media print {
  .c-fab, .c-to-top, .c-header, .c-hero__scrollcue { display: none; }
}