/* =========================================================
   AA Climatización — hoja de estilos
   Paleta y medidas tomadas del diseño "AA Climatizacion Home Claro"
   ========================================================= */

:root {
  --bg:        #F6F7F4;
  --surface:   #FFFFFF;
  --surface-2: #FCFDFB;
  --ink:       #12181A;
  --ink-2:     #22292B;
  --ink-3:     #2A3336;
  --muted:     #4C575B;
  --muted-2:   #6D7A7E;
  --muted-3:   #5C666A;
  --line:      #DFE3DE;
  --line-2:    #C3CAC4;
  --line-3:    #D6DAD6;
  --brand:     #12708A;
  --brand-dk:  #0B4E60;
  --accent:    #5FC8E8;
  --accent-lt: #A9E7F7;
  --dark:      #12181A;
  --darker:    #0B1013;
  --on-dark:   #F6F7F4;
  --on-dark-2: #C6CDCF;

  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: Archivo, Helvetica, Arial, sans-serif;

  --pad-x: 40px;
  --pad-y: 104px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 96px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--brand); text-decoration: none; transition: color .15s ease, background-color .15s ease, border-color .15s ease; }
a:hover { color: var(--brand-dk); }

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

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.02em; }

:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: var(--on-dark); padding: 12px 18px; font-size: 14px;
}
.skip-link:focus { left: 8px; top: 8px; color: var(--on-dark); }

/* ---------- utilidades ---------- */

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--brand);
}
.eyebrow--dim { color: #8B959A; font-size: 11px; letter-spacing: .1em; }

.mono-note { font-family: var(--mono); font-size: 12px; color: var(--muted-2); }
.mono-link { font-family: var(--mono); font-size: 13px; letter-spacing: .06em; }

.dot {
  display: inline-block; width: 8px; height: 8px;
  border-radius: 50%; background: var(--accent); flex: none;
}
.dot--pulse { width: 7px; height: 7px; animation: aaPulse 2.2s ease-in-out infinite; }
@keyframes aaPulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

/* ---------- botones ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 11px 20px;
  font-family: var(--sans);
  font-size: 14px; font-weight: 600;
  border-radius: 2px; border: 1px solid transparent;
  cursor: pointer; white-space: nowrap; text-align: center;
}
.btn--lg { padding: 17px 28px; font-size: 16px; }
.btn--xl { padding: 20px 30px; font-size: 17px; align-self: flex-start; }
.btn--block { width: 100%; padding: 17px 24px; font-size: 16px; }

.btn--dark { background: var(--dark); color: var(--on-dark); }
.btn--dark:hover { background: var(--brand); color: var(--on-dark); }

.btn--ghost { border-color: var(--line-2); color: var(--ink); background: transparent; font-weight: 400; }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }

.btn--accent { background: var(--accent); color: var(--darker); }
.btn--accent:hover { background: var(--accent-lt); color: var(--darker); }

.btn--outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--outline:hover { background: var(--ink); color: var(--surface); }

/* ---------- barra de guardia ---------- */

.topbar {
  display: flex; align-items: center; justify-content: center;
  gap: 14px; padding: 10px 24px;
  background: var(--dark); color: #D6DCDE;
  font-family: var(--mono); font-size: 13px; letter-spacing: .02em;
  text-align: center;
}
.topbar__msg { display: inline-flex; align-items: center; gap: 14px; }
.topbar__link { color: var(--accent); border-bottom: 1px solid rgba(95, 200, 232, .4); white-space: nowrap; }
.topbar__link:hover { color: var(--accent-lt); }

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

.header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 18px 32px;
  background: rgba(246, 247, 244, .9);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 12px; flex: none; color: inherit; }
.brand:hover { color: inherit; }

.mark { display: flex; flex-direction: column; gap: 4px; flex: none; }
.mark > span { display: block; height: 4px; background: var(--brand); }
.mark > span:nth-child(1) { width: 30px; }
.mark > span:nth-child(2) { width: 21px; }
.mark > span:nth-child(3) { width: 14px; opacity: .55; }
.mark--accent > span { background: var(--accent); }
.mark--accent > span:nth-child(1) { width: 26px; }
.mark--accent > span:nth-child(2) { width: 18px; }
.mark--accent > span:nth-child(3) { width: 12px; }

.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-size: 16px; font-weight: 600; letter-spacing: .01em; white-space: nowrap; }
.brand__tag {
  font-family: var(--mono); font-size: 11px; color: var(--muted-2);
  letter-spacing: .06em; white-space: nowrap;
}

.nav {
  display: flex; align-items: center; gap: 16px;
  font-size: 13px; justify-content: flex-end; min-width: 0;
}
.nav a { color: #3B4649; white-space: nowrap; }
.nav a:hover { color: var(--brand); }
.nav__wa { display: none; }

.header__cta { flex: none; }

.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px; justify-content: center;
  width: 42px; height: 38px; padding: 0 9px;
  background: transparent; border: 1px solid var(--line-2); border-radius: 2px;
  cursor: pointer;
}
.nav-toggle > span { display: block; height: 2px; width: 100%; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  border-bottom: 1px solid var(--line);
}
.hero__copy {
  padding: 96px 56px 88px var(--pad-x);
  display: flex; flex-direction: column; gap: 32px;
  max-width: 760px;
}
.hero h1 {
  font-size: clamp(38px, 5.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -.025em;
  text-wrap: balance;
}
.lede {
  margin: 0;
  font-size: 19px; line-height: 1.55; color: var(--muted);
  max-width: 56ch; text-wrap: pretty;
}
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }

.stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); margin-top: 12px;
}
.stat { background: var(--surface); padding: 22px 20px; display: flex; flex-direction: column; gap: 6px; }
.stat__num { font-size: 32px; font-weight: 600; letter-spacing: -.02em; }
.stat__label { font-size: 13px; color: var(--muted-2); }

.hero__media { position: relative; min-height: 620px; border-left: 1px solid var(--line); background: #E1E5DF; }
.hero__media picture, .hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 18px 24px;
  background: rgba(246, 247, 244, .9);
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: var(--muted-3);
}

/* ---------- secciones ---------- */

.section { padding: var(--pad-y) var(--pad-x); }
.section--bordered { border-bottom: 1px solid var(--line); }
.section--surface { background: var(--surface); }
.section--tight { padding-top: 88px; padding-bottom: 88px; }

.section__head { display: flex; flex-direction: column; gap: 18px; max-width: 680px; margin-bottom: 56px; }
.section__head--split {
  flex-direction: row; align-items: flex-end; justify-content: space-between;
  gap: 40px; flex-wrap: wrap; max-width: none;
}
.section__head--inline {
  flex-direction: row; align-items: baseline; gap: 20px; flex-wrap: wrap;
  max-width: none; margin-bottom: 36px;
}
.section__title { display: flex; flex-direction: column; gap: 18px; max-width: 640px; }
.section__aside { margin: 0; font-size: 16px; line-height: 1.6; color: var(--muted); max-width: 40ch; }
.section__intro { margin: 0; font-size: 17px; line-height: 1.6; color: var(--muted); text-wrap: pretty; }

.section h2 { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.08; }
.capacidades h2, #trabajos h2 { font-size: clamp(28px, 3.1vw, 40px); line-height: 1.1; }
.h2--sm { font-size: clamp(22px, 2.4vw, 28px) !important; letter-spacing: -.01em; }

/* rejilla con separadores de 1px (el fondo hace de línea) */
.grid--hairline { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ---------- tarjetas de servicio ---------- */

.card {
  background: var(--surface);
  padding: 36px 32px 40px;
  display: flex; flex-direction: column; gap: 16px;
  transition: background-color .15s ease;
}
.card:hover { background: var(--surface-2); }
.card__code { font-family: var(--mono); font-size: 11px; color: var(--brand); letter-spacing: .1em; }
.card h3 { font-size: 22px; letter-spacing: -.01em; }
.card p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--muted); }
.card__link { margin-top: auto; font-family: var(--mono); font-size: 14px; letter-spacing: .06em; }

.card--dark { background: var(--dark); color: var(--on-dark); justify-content: center; }
.card--dark:hover { background: var(--dark); }
.card--dark h3 { color: var(--accent); }
.card--dark p { color: var(--on-dark-2); }
.card--dark .btn { align-self: flex-start; padding: 14px 22px; font-size: 15px; }

/* ---------- planes ---------- */

.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }

.plan {
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 32px 28px 36px;
  display: flex; flex-direction: column; gap: 18px;
}
.plan__topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.plan__code { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--muted-2); }
.plan h3 { font-size: 24px; letter-spacing: -.01em; }
.plan > p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--muted); }
.plan__list {
  list-style: none; margin: 0; padding: 18px 0 0;
  display: flex; flex-direction: column; gap: 10px;
  font-size: 15px; color: var(--ink-3);
  border-top: 1px solid var(--line);
}
.plan .btn { margin-top: auto; padding: 14px 20px; font-size: 15px; }

.plan--featured {
  border: 1.5px solid var(--dark);
  background: var(--dark); color: var(--on-dark);
  box-shadow: 0 18px 40px -28px rgba(18, 24, 26, .5);
}
.plan--featured .plan__code { color: #9AA4A9; }
.plan--featured > p { color: var(--on-dark-2); }
.plan--featured .plan__list { color: #E4E9EA; border-top-color: rgba(255, 255, 255, .14); }

.badge {
  font-family: var(--mono); font-size: 10px; letter-spacing: .08em;
  background: var(--accent); color: var(--darker); padding: 5px 9px;
}

/* ---------- cómo trabajamos ---------- */

.capacidades {
  display: grid; grid-template-columns: .9fr 1.1fr;
  gap: 64px; align-items: start;
}
.capacidades__intro {
  display: flex; flex-direction: column; gap: 20px;
  position: sticky; top: 110px;
}
.capacidades__intro > p { margin: 0; font-size: 16px; line-height: 1.65; color: var(--muted); max-width: 44ch; text-wrap: pretty; }
.capacidades__photo { margin-top: 8px; height: 220px; border: 1px solid var(--line); overflow: hidden; }
.capacidades__photo img { width: 100%; height: 100%; object-fit: cover; }

.capacidades__steps { display: flex; flex-direction: column; }
.step {
  display: grid; grid-template-columns: 64px 1fr; gap: 24px;
  padding: 28px 0; border-top: 1px solid var(--line);
}
.step--last { border-bottom: 1px solid var(--line); }
.step__num { font-family: var(--mono); font-size: 13px; color: var(--brand); }
.step h3 { font-size: 20px; letter-spacing: 0; margin-bottom: 8px; }
.step p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--muted); }

.capacidades__facts { margin-top: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fact {
  border: 1px solid var(--line); background: var(--surface);
  padding: 22px; display: flex; flex-direction: column; gap: 8px;
  font-size: 15px; color: var(--ink-3);
}
.fact .eyebrow { font-size: 11px; letter-spacing: .1em; }

/* ---------- clientes ---------- */

.reps {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  margin-bottom: 28px; padding: 20px 24px;
  background: var(--surface); border: 1px solid var(--line);
}
.reps .eyebrow { font-size: 11px; letter-spacing: .1em; }
.reps__logos { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.reps__logos img { width: auto; }
.reps__logos img[alt="Trane"]  { height: 26px; }
.reps__logos img[alt="Daikin"] { height: 20px; }
.reps__note { font-size: 14px; color: var(--muted); max-width: 38ch; }

.logo-cell { background: var(--surface); padding: 34px 24px; display: grid; place-items: center; }
.logo-cell img {
  width: auto; max-width: 100%; object-fit: contain;
  filter: grayscale(1); opacity: .72;
  transition: filter .2s ease, opacity .2s ease;
}
.logo-cell:hover img { filter: grayscale(0); opacity: 1; }
.logo-cell img[alt="La Anónima"]          { height: 30px; }
.logo-cell img[alt="Metalsa"]             { height: 30px; }
.logo-cell img[alt="IFF"]                 { height: 28px; }
.logo-cell img[alt="Novartis"]            { height: 26px; }
.logo-cell img[alt="Laboratorios Bernabó"]{ height: 38px; }
.logo-cell img[alt="Laboratorio Valar"]   { height: 32px; }

.quotes { margin-top: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.quote {
  margin: 0; border-left: 2px solid var(--line-2);
  padding: 6px 0 6px 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.quote--brand { border-left-color: var(--brand); }
.quote p { margin: 0; font-size: 19px; line-height: 1.5; color: var(--ink-2); text-wrap: pretty; }
.quote footer { font-family: var(--mono); font-size: 12px; color: var(--muted-2); }

/* ---------- trabajos ---------- */

.works { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.work { margin: 0; display: flex; flex-direction: column; gap: 14px; }
.work__media { height: 280px; overflow: hidden; border: 1px solid var(--line); }
.work__media img { width: 100%; height: 100%; object-fit: cover; }
.work figcaption { display: flex; flex-direction: column; gap: 6px; }
.work figcaption .eyebrow { font-size: 11px; letter-spacing: .1em; }
.work figcaption > span:last-child { font-size: 15px; line-height: 1.55; color: var(--muted); }

#trabajos .section__head--split { margin-bottom: 40px; }

/* ---------- banner ---------- */

.banner {
  position: relative; min-height: 300px;
  display: grid; place-items: center; overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.banner picture, .banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.banner__scrim { position: absolute; inset: 0; background: rgba(11, 16, 19, .62); }
.banner__content {
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 22px;
  padding: 64px var(--pad-x); text-align: center;
}
.banner h2 {
  font-size: clamp(26px, 3vw, 36px); line-height: 1.12;
  color: var(--on-dark); max-width: 24ch; text-wrap: balance;
}

/* ---------- contacto ---------- */

.contacto { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.contacto__info { padding: 96px 56px 96px var(--pad-x); display: flex; flex-direction: column; gap: 28px; }
.contacto__info h2 { font-size: clamp(30px, 3.5vw, 46px); line-height: 1.05; letter-spacing: -.025em; }
.contacto__info .lede { font-size: 17px; max-width: 46ch; }

.datos {
  display: flex; flex-direction: column; gap: 14px;
  margin: 12px 0 0; padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: 15px; color: var(--ink-3);
}
.datos > div { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.datos dt { font-family: var(--mono); font-size: 11px; color: var(--muted-2); letter-spacing: .1em; flex: none; }
.datos dd { margin: 0; }
.datos a { color: var(--ink-3); }
.datos a:hover { color: var(--brand); }

.contacto__form {
  background: var(--surface); border-left: 1px solid var(--line);
  padding: 80px var(--pad-x) 88px 56px;
  display: flex; flex-direction: column; gap: 22px;
}
.contacto__form h3 { font-size: 20px; letter-spacing: 0; }
#form { display: flex; flex-direction: column; gap: 22px; }

.field { display: flex; flex-direction: column; gap: 8px; border: 0; margin: 0; padding: 0; min-width: 0; }
.field label, .field legend {
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--muted-2);
  padding: 0;
}
.field input, .field textarea {
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--line-3);
  color: var(--ink);
  font-family: var(--sans); font-size: 15px;
  border-radius: 2px;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 108px; }
.field input:focus, .field textarea:focus { border-color: var(--brand); outline-offset: 0; }
.field input::placeholder, .field textarea::placeholder { color: #9AA4A9; }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #B3261E; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; width: 0; height: 0; }
.chip span {
  display: inline-block;
  /* el chip es un <label>, así que hay que revertir la tipografía mono de .field label */
  font-family: var(--sans);
  letter-spacing: normal;
  padding: 10px 16px;
  background: transparent; color: var(--ink-3);
  border: 1px solid var(--line-3); border-radius: 2px;
  font-size: 14px; cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.chip:hover span { border-color: var(--ink); }
.chip input:checked + span { background: var(--dark); color: var(--on-dark); border-color: var(--dark); }
.chip input:focus-visible + span { outline: 2px solid var(--brand); outline-offset: 2px; }

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

.form__status { font-size: 13px; color: var(--muted-2); }
.form__status--ok { color: var(--brand); }
.form__status--error { color: #B3261E; }

/* ---------- footer ---------- */

.footer {
  background: var(--dark); color: #D6DCDE;
  padding: 56px var(--pad-x) 40px;
  display: flex; flex-direction: column; gap: 36px;
}
.footer__top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer__brand { display: flex; flex-direction: column; gap: 12px; max-width: 34ch; }
.footer__brand .brand__name { color: var(--on-dark); font-size: 15px; }
.footer__brand p { margin: 0; font-size: 14px; line-height: 1.6; color: #939D9F; }
.footer__col { display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: #C4CCD0; }
.footer__col a { color: #C4CCD0; }
.footer__col a:hover { color: var(--accent); }
.footer__bottom {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 22px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: #6C767B;
}

/* ---------- botón flotante ---------- */

.fab {
  position: fixed; right: 24px; bottom: 24px; z-index: 80;
  display: flex; align-items: center; gap: 10px;
  padding: 15px 22px;
  background: var(--dark); color: var(--on-dark);
  font-size: 15px; font-weight: 600; border-radius: 2px;
  box-shadow: 0 16px 34px -18px rgba(18, 24, 26, .55);
}
.fab:hover { background: var(--brand); color: var(--on-dark); }

/* =========================================================
   Adaptación a pantallas chicas
   ========================================================= */

@media (max-width: 1180px) {
  :root { --pad-x: 32px; --pad-y: 80px; }
  .hero__copy { padding: 72px 40px 72px var(--pad-x); }
  .contacto__info { padding: 72px 40px 72px var(--pad-x); }
  .contacto__form { padding: 64px var(--pad-x) 72px 40px; }
  .capacidades { gap: 44px; }
  .nav { gap: 14px; }
  .brand__tag { display: none; }
}

@media (max-width: 1000px) {
  .nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 8px 0;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 32px; font-size: 15px; border-top: 1px solid var(--line); }
  .nav a:first-child { border-top: 0; }
  .nav__wa { display: block; color: var(--brand); font-weight: 600; }
  .nav-toggle { display: flex; }
  .header { position: relative; }
  .header__cta { order: 2; }
  .nav-toggle { order: 3; }

  .hero { grid-template-columns: 1fr; }
  .hero__copy { padding: 56px var(--pad-x) 48px; gap: 26px; max-width: none; }
  .hero__media { min-height: 380px; border-left: 0; border-top: 1px solid var(--line); }

  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plans { grid-template-columns: 1fr; }
  .plan--featured { order: -1; }

  .capacidades { grid-template-columns: 1fr; }
  .capacidades__intro { position: static; }

  .works { grid-template-columns: 1fr 1fr; }
  .work:last-child { grid-column: span 2; }

  .contacto { grid-template-columns: 1fr; }
  .contacto__form { border-left: 0; border-top: 1px solid var(--line); padding: 56px var(--pad-x) 64px; }
}

@media (max-width: 720px) {
  :root { --pad-x: 20px; --pad-y: 60px; }

  .topbar { font-size: 11px; gap: 10px; padding: 9px 16px; flex-wrap: wrap; }
  .header { padding: 14px 20px; gap: 12px; }
  /* En el celular el CTA del header no entra junto al logo y la hamburguesa;
     el botón flotante y el link de la barra de guardia cubren esa función. */
  .header__cta { display: none; }
  .nav a { padding: 13px 20px; }
  .nav .nav__wa { color: var(--brand); font-weight: 600; }

  .hero__copy { padding: 40px var(--pad-x) 36px; }
  .lede { font-size: 17px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .mono-note { flex: 1 1 100%; }
  .stats { grid-template-columns: 1fr; }
  .hero__media { min-height: 300px; }

  .section__head { margin-bottom: 36px; gap: 14px; }
  .section__head--split { flex-direction: column; align-items: flex-start; gap: 20px; }

  .grid-3 { grid-template-columns: 1fr; }
  .card { padding: 28px 22px 32px; }

  .capacidades__facts { grid-template-columns: 1fr; }
  .step { grid-template-columns: 40px 1fr; gap: 14px; padding: 22px 0; }

  .reps { flex-direction: column; align-items: flex-start; gap: 16px; padding: 18px 20px; }
  .reps__note { max-width: none; }
  .logo-cell { padding: 26px 18px; }

  .quotes { grid-template-columns: 1fr; }
  .quote p { font-size: 17px; }

  .works { grid-template-columns: 1fr; }
  .work:last-child { grid-column: auto; }
  .work__media { height: 220px; }

  .banner__content { padding: 48px var(--pad-x); }

  .contacto__info { padding: 48px var(--pad-x) 44px; gap: 22px; }
  .btn--xl { width: 100%; align-self: stretch; }

  .footer { padding: 44px var(--pad-x) 32px; }
  .footer__top { gap: 32px; }

  /* el botón flotante taparía el formulario en mobile: lo dejamos más chico */
  .fab { right: 14px; bottom: 14px; padding: 13px 18px; font-size: 14px; }
}