/* ============================================================
   A&B SITIOS — Sitio institucional renovado
   Concepto: plano técnico de arquitectura. Cada sección es una
   lámina; las anotaciones en mono y las marcas de registro (✛)
   son el lenguaje visual recurrente.
   ============================================================ */

:root {
  /* ---- Color ---- */
  --blueprint:      #122B4D;
  --blueprint-deep: #0C1F38;
  --blueprint-line: rgba(255, 255, 255, 0.16);
  --blueprint-line-soft: rgba(255, 255, 255, 0.08);
  --paper:          #F3EFE6;
  --paper-dim:      #EAE4D6;
  --ink:            #14181C;
  --ink-60:         rgba(20, 24, 28, 0.64);
  --ink-35:         rgba(20, 24, 28, 0.35);
  --on-blueprint:   #F5F6F8;
  --on-blueprint-60: rgba(245, 246, 248, 0.66);
  --on-blueprint-35: rgba(245, 246, 248, 0.35);
  --stamp:          #E2491E;
  --stamp-dim:      #C13E18;
  --signal:         #2BAF7E;
  --signal-dim:     rgba(43, 175, 126, 0.14);

  /* ---- Tipografía ---- */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* ---- Layout ---- */
  --container: 1180px;
  --gutter: 1.25rem;
  --header-h: 76px;
}

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

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section { scroll-margin-top: var(--header-h); position: relative; }

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

/* ---- Tipografía base ---- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "✛";
  font-size: 0.85em;
}
.eyebrow--dark { color: var(--blueprint); }
.eyebrow--light { color: var(--on-blueprint-60); }

.section-head { max-width: 640px; margin-bottom: 3rem; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.85rem); margin: 0.55em 0 0.6em; }
.section-head p { font-size: 1.05rem; max-width: 46ch; }
.section-head--light p { color: var(--on-blueprint-60); }

.section-pad { padding: 5.5rem 0; }

/* Lámina: cada sección lleva número de hoja + marcas de registro en las esquinas,
   como un plano técnico real — esto SÍ es una secuencia real (orden de lectura de
   la página), por eso la numeración está justificada. */
.sheet { position: relative; }
.sheet__corner {
  position: absolute;
  width: 18px;
  height: 18px;
  opacity: 0.5;
  pointer-events: none;
}
.sheet__corner::before, .sheet__corner::after {
  content: "";
  position: absolute;
  background: currentColor;
}
.sheet__corner::before { width: 100%; height: 1px; top: 50%; }
.sheet__corner::after { width: 1px; height: 100%; left: 50%; }
.sheet__corner--tl { top: 1.4rem; left: 1.4rem; }
.sheet__corner--tr { top: 1.4rem; right: 1.4rem; }
.sheet__corner--bl { bottom: 1.4rem; left: 1.4rem; }
.sheet__corner--br { bottom: 1.4rem; right: 1.4rem; }
.sheet--on-blueprint .sheet__corner { color: var(--on-blueprint-35); }
.sheet--on-paper .sheet__corner { color: var(--ink-35); }

.sheet__index {
  position: absolute;
  top: 1.6rem;
  right: 2.2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}
.sheet--on-blueprint .sheet__index { color: var(--on-blueprint-35); }
.sheet--on-paper .sheet__index { color: var(--ink-35); }

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

/* ---- Botones ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.95em 1.6em;
  border-radius: 2px;
  border: 1.5px solid transparent;
  transition: transform 0.16s ease, background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--stamp); color: #fff; }
.btn--primary:hover { background: var(--stamp-dim); }

.btn--ghost-dark { background: transparent; border-color: var(--ink-35); color: var(--ink); }
.btn--ghost-dark:hover { border-color: var(--ink); background: rgba(20,24,28,0.04); }

.btn--ghost-light { background: transparent; border-color: var(--on-blueprint-35); color: var(--on-blueprint); }
.btn--ghost-light:hover { border-color: var(--on-blueprint); background: rgba(255,255,255,0.06); }

.btn--block { width: 100%; justify-content: center; }
.btn--lg { padding: 1.1em 2em; font-size: 0.85rem; }

.btn--whatsapp {
  background: #1F2F27;
  color: #fff;
  border: 1.5px solid var(--signal);
}
.btn--whatsapp:hover { background: #16221c; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(18, 43, 77, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--blueprint-line-soft);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.logo__mark {
  width: 38px;
  height: 38px;
  border: 1.5px solid var(--on-blueprint-35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--on-blueprint);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.logo__word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.18rem;
  color: var(--on-blueprint);
  display: none;
}
@media (min-width: 480px) { .logo__word { display: inline; } }

.nav-links {
  display: none;
  gap: 2rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
@media (min-width: 860px) { .nav-links { display: flex; } }
.nav-links a {
  color: var(--on-blueprint-60);
  position: relative;
  padding-bottom: 0.3em;
  transition: color 0.15s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--stamp);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.nav-links a:hover { color: var(--on-blueprint); }
.nav-links a:hover::after { transform: scaleX(1); }

.header-cta { display: flex; align-items: center; gap: 1rem; }

.nav-burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  padding: 0;
}
@media (min-width: 860px) { .nav-burger { display: none; } }
.nav-burger span { width: 100%; height: 1.5px; background: var(--on-blueprint); transition: transform 0.2s ease, opacity 0.2s ease; }
.nav-burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--blueprint-deep);
  z-index: 70;
  padding: 2rem var(--gutter);
}
.mobile-menu.is-open { display: block; }
.mobile-menu a {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--on-blueprint);
  padding: 1rem 0;
  border-bottom: 1px solid var(--blueprint-line-soft);
}
.mobile-menu .btn { margin-top: 1.5rem; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--blueprint);
  color: var(--on-blueprint);
  padding: 4rem 0 5rem;
  overflow: hidden;
  background-image:
    linear-gradient(var(--blueprint-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--blueprint-line-soft) 1px, transparent 1px);
  background-size: 42px 42px;
}
.hero__inner {
  display: grid;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 980px) {
  .hero__inner { grid-template-columns: 1.05fr 1fr; gap: 2.5rem; }
}

.hero__copy > * {
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.6s ease forwards;
}
.hero__copy > *:nth-child(1) { animation-delay: 0.05s; }
.hero__copy > *:nth-child(2) { animation-delay: 0.16s; }
.hero__copy > *:nth-child(3) { animation-delay: 0.27s; }
.hero__copy > *:nth-child(4) { animation-delay: 0.38s; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .hero__copy > * { opacity: 1; transform: none; animation: none; }
}

.hero__title {
  font-size: clamp(2.3rem, 5.4vw, 3.7rem);
  margin: 0.7em 0 0.6em;
}
.hero__title em {
  font-style: italic;
  color: var(--stamp);
}
.hero__lede {
  font-size: 1.12rem;
  color: var(--on-blueprint-60);
  max-width: 46ch;
  margin-bottom: 2.2rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__diagram { width: 100%; }
.hero__diagram svg { width: 100%; height: auto; display: block; }

/* ============================================================
   SERVICIOS — fichas técnicas, no cards con icono-gradiente
   ============================================================ */
.services { background: var(--paper); }
.services__grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 760px) { .services__grid { grid-template-columns: repeat(3, 1fr); } }

.service-card {
  border: 1px solid var(--ink-35);
  padding: 2rem 1.75rem;
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
}
.service-card--featured {
  border-color: var(--ink);
  border-width: 2px;
}
.service-card__ribbon {
  position: absolute;
  top: -1px; right: -1px;
  background: var(--stamp);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35em 0.7em;
}
.service-card__code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--blueprint);
  border: 1px solid var(--blueprint);
  display: inline-block;
  padding: 0.25em 0.6em;
  margin-bottom: 1.3rem;
  align-self: flex-start;
}
.service-card__title { font-size: 1.4rem; margin-bottom: 0.6rem; }
.service-card__desc { color: var(--ink-60); margin-bottom: 1.3rem; flex-grow: 0; }
.service-card__features { margin-bottom: 1.6rem; }
.service-card__features li {
  font-size: 0.92rem;
  padding: 0.5em 0;
  border-top: 1px solid var(--paper-dim);
  display: flex;
  gap: 0.6em;
}
.service-card__features li::before { content: "—"; color: var(--stamp); flex-shrink: 0; }
.service-card__link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--ink);
  align-self: flex-start;
  padding-bottom: 0.2em;
}

.section-cta { text-align: center; margin-top: 3rem; }

/* ============================================================
   POR QUÉ NOSOTROS — lista con regla, sin iconos-círculo-gradiente
   ============================================================ */
.why-us { background: var(--blueprint); color: var(--on-blueprint); }
.why-us__inner {
  display: grid;
  gap: 3rem;
}
@media (min-width: 900px) { .why-us__inner { grid-template-columns: 0.85fr 1.15fr; gap: 4rem; } }

.why-us__left h2 { color: var(--on-blueprint); }
.why-us__left p { color: var(--on-blueprint-60); max-width: 42ch; margin: 0.8rem 0 1.8rem; font-size: 1.05rem; }

.feature-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--blueprint-line);
}
.feature-row:last-child { border-bottom: 1px solid var(--blueprint-line); }
.feature-row__icon {
  width: 22px; height: 22px;
  color: var(--stamp);
  flex-shrink: 0;
  margin-top: 0.15rem;
}
.feature-row__title { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 0.35em; color: var(--on-blueprint); }
.feature-row__desc { color: var(--on-blueprint-60); font-size: 0.95rem; max-width: 48ch; }

/* ============================================================
   POSIBILIDADES — fichero de rubros
   ============================================================ */
.posibilidades { background: var(--paper); }
.posib__grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .posib__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .posib__grid { grid-template-columns: repeat(4, 1fr); } }

.posib-card {
  border: 1px solid var(--ink-35);
  background: #fff;
  padding: 1.6rem 1.4rem;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.posib-card:hover { border-color: var(--stamp); transform: translateY(-2px); }
.posib-card__tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blueprint);
  display: block;
  margin-bottom: 0.9rem;
}
.posib-card__title { font-size: 1.1rem; margin-bottom: 0.5rem; }
.posib-card__desc { font-size: 0.88rem; color: var(--ink-60); margin-bottom: 1rem; }
.posib-card__items { font-size: 0.82rem; color: var(--ink-60); }
.posib-card__items li { padding: 0.25em 0; }
.posib-card__items li::before { content: "· "; color: var(--stamp); }

.posib-card--cta {
  background: var(--blueprint);
  border-color: var(--blueprint);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.posib-card--cta .posib-card__tag { color: var(--on-blueprint-60); }
.posib-card--cta .posib-card__title { color: var(--on-blueprint); }
.posib-card--cta .posib-card__desc { color: var(--on-blueprint-60); }
.posib-card--cta .btn { margin-top: 0.5rem; align-self: flex-start; }

/* ============================================================
   PRICING
   ============================================================ */
.pricing { background: var(--blueprint); color: var(--on-blueprint); }
.pricing .section-head h2 { color: var(--on-blueprint); }

/* Selector de período: segmentado plano, sin gradiente */
.billing-selector { display: flex; justify-content: center; margin: 0 0 3rem; }
.billing-selector__inner {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px;
  border: 1px solid var(--blueprint-line);
  padding: 4px;
}
.billing-btn {
  position: relative;
  padding: 0.65rem 1.4rem;
  border: none;
  background: transparent;
  color: var(--on-blueprint-60);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.billing-btn:hover:not(.is-active) { color: var(--on-blueprint); background: rgba(255,255,255,0.06); }
.billing-btn.is-active { background: var(--stamp); color: #fff; }
.billing-btn--custom.is-active { background: var(--signal); }
.billing-best-badge {
  font-size: 0.58rem;
  background: rgba(255,255,255,0.22);
  padding: 2px 7px;
  letter-spacing: 0.04em;
}
@media (max-width: 480px) { .billing-btn { padding: 0.55rem 1rem; font-size: 0.74rem; } }

.custom-toggle { display: flex; justify-content: center; margin: 0 0 3rem; }

.custom-panel__back {
  margin-top: 1.2rem;
  align-self: center;
}

.pricing__grid { display: grid; gap: 1.5rem; align-items: start; }
@media (min-width: 900px) { .pricing__grid { grid-template-columns: repeat(3, 1fr); } }

.pricing-card {
  background: var(--blueprint-deep);
  border: 1px solid var(--blueprint-line);
  padding: 2rem 1.8rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}
.pricing-card--featured { border-color: var(--stamp); border-width: 2px; }
.pricing-card__badge {
  position: absolute; top: -1px; right: -1px;
  background: var(--stamp); color: #fff;
  font-family: var(--font-mono); font-size: 0.66rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  padding: 0.35em 0.8em;
}
.pricing-card__code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--on-blueprint-60);
  border: 1px solid var(--blueprint-line);
  display: inline-block;
  padding: 0.2em 0.55em;
  margin-bottom: 1.2rem;
  align-self: flex-start;
}
.pricing-card__name { font-size: 1.5rem; color: var(--on-blueprint); margin-bottom: 0.3em; }
.pricing-card__tagline { font-size: 0.92rem; color: var(--on-blueprint-60); margin-bottom: 1.4rem; }

.pricing-card__price { display: flex; align-items: baseline; gap: 0.4em; flex-wrap: wrap; min-width: 0; margin-bottom: 1.6rem; }
.price-amount {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.3vw, 2.3rem);
  color: var(--on-blueprint);
  word-break: break-word;
}
.price-currency { font-family: var(--font-mono); font-size: 0.74rem; color: var(--on-blueprint-60); }

.pricing-card__custom-text {
  font-size: 0.95rem;
  color: var(--on-blueprint-60);
  padding: 0.5rem 0 1.6rem;
  font-style: italic;
}

.pricing-card__features { margin-bottom: 1.8rem; flex-grow: 1; }
.pricing-card__features li {
  font-size: 0.88rem;
  padding: 0.55em 0;
  border-top: 1px solid var(--blueprint-line);
  display: flex;
  gap: 0.6em;
  color: var(--on-blueprint-60);
}
.feat--yes::before { content: "✓"; color: var(--signal); flex-shrink: 0; }
.feat--no { opacity: 0.4; }
.feat--no::before { content: "—"; flex-shrink: 0; }

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

.pricing-card > .btn { margin-top: auto; }

.pricing__custom-panel { display: none; flex-direction: column; align-items: center; }
.pricing__custom-panel.is-visible { display: flex; }
.pricing__custom-panel .pricing-card { max-width: 460px; width: 100%; }
.pricing__grid.is-hidden { display: none; }

.pricing__note {
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  text-align: center; margin-top: 3rem;
  font-size: 0.88rem; color: var(--on-blueprint-60);
}
.pricing__note svg { flex-shrink: 0; color: var(--signal); }

/* ============================================================
   FAQ
   ============================================================ */
.faq { background: var(--paper); }
.faq__inner { display: grid; gap: 3rem; }
@media (min-width: 900px) { .faq__inner { grid-template-columns: 0.8fr 1.2fr; gap: 4rem; } }
.faq__left p { color: var(--ink-60); max-width: 40ch; margin: 0.8rem 0 1.8rem; }

.faq-item { border-top: 1px solid var(--ink-35); }
.faq__list .faq-item:last-child { border-bottom: 1px solid var(--ink-35); }
.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  text-align: left;
  padding: 1.3rem 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--ink);
}
.faq-item__question .faq-num { font-family: var(--font-mono); font-size: 0.75rem; color: var(--stamp); margin-right: 0.8em; }
.faq-icon { flex-shrink: 0; transition: transform 0.25s ease; color: var(--ink-60); }
.faq-item.is-open .faq-icon { transform: rotate(180deg); }
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item__answer p { color: var(--ink-60); padding-bottom: 1.4rem; max-width: 62ch; font-size: 0.95rem; }

/* ============================================================
   CONTACTO
   ============================================================ */
.contact { background: var(--blueprint); color: var(--on-blueprint); }
.contact .section-head h2 { color: var(--on-blueprint); }
.contact__inner { display: grid; gap: 3rem; }
@media (min-width: 900px) { .contact__inner { grid-template-columns: 1fr 1fr; gap: 4rem; } }

.contact-detail { display: flex; gap: 1rem; padding: 1.1rem 0; border-top: 1px solid var(--blueprint-line); }
.contact-details .contact-detail:last-child { border-bottom: 1px solid var(--blueprint-line); }
.contact-detail__icon { color: var(--stamp); flex-shrink: 0; margin-top: 0.1rem; }
.contact-detail__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-blueprint-35);
  margin-bottom: 0.3em;
}
.contact-detail__value { color: var(--on-blueprint); font-size: 0.95rem; }
a.contact-detail__value:hover { color: var(--stamp); }

.contact__info > .btn--whatsapp { margin-top: 2rem; }

.form__row { display: grid; gap: 1.2rem; }
@media (min-width: 560px) { .form__row { grid-template-columns: 1fr 1fr; } }
.form__group { margin-bottom: 1.3rem; }
.form__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-blueprint-60);
  margin-bottom: 0.5em;
}
.form__input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--blueprint-line);
  color: var(--on-blueprint);
  padding: 0.75em 0.9em;
  transition: border-color 0.18s ease, background 0.18s ease;
}
.form__input::placeholder { color: var(--on-blueprint-35); }
.form__input:focus { border-color: var(--stamp); background: rgba(255,255,255,0.07); }
.form__textarea { resize: vertical; min-height: 110px; }
.form__honeypot { position: absolute; left: -9999px; }

.form__status {
  display: none;
  margin-top: 1rem;
  padding: 0.85em 1em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px solid var(--signal);
  color: var(--signal);
}
.form__status.is-visible { display: flex; align-items: center; gap: 0.6em; }
.form__status.is-error { border-color: var(--stamp); color: var(--stamp); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--blueprint-deep); color: var(--on-blueprint); padding: 4rem 0 2.5rem; }
.footer__top { display: grid; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid var(--blueprint-line); }
@media (min-width: 760px) { .footer__top { grid-template-columns: 1.4fr 1fr 1fr; } }

.footer__brand .logo__word { display: inline; }
.footer__tagline { color: var(--on-blueprint-60); margin: 1rem 0 1.3rem; max-width: 32ch; font-size: 0.92rem; }
.footer__social {
  display: inline-flex;
  width: 38px; height: 38px;
  border: 1px solid var(--blueprint-line);
  align-items: center; justify-content: center;
  color: var(--on-blueprint);
  transition: border-color 0.18s ease, color 0.18s ease;
}
.footer__social:hover { border-color: var(--stamp); color: var(--stamp); }

.footer__heading {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-blueprint-35);
  margin-bottom: 1.2rem;
}
.footer__links li { padding: 0.45em 0; }
.footer__links a { color: var(--on-blueprint-60); font-size: 0.92rem; transition: color 0.15s ease; }
.footer__links a:hover { color: var(--on-blueprint); }

.footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.8rem;
  padding-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--on-blueprint-35);
}

/* ============================================================
   WHATSAPP FLOTANTE
   ============================================================ */
.whatsapp-float {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 0.6em;
  background: #1F2F27;
  border: 1.5px solid var(--signal);
  color: #fff;
  padding: 0.8em 1.1em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  box-shadow: 0 10px 28px rgba(0,0,0,0.35);
  transition: transform 0.18s ease, background 0.18s ease;
}
.whatsapp-float:hover { transform: translateY(-2px); background: #16221c; }
.whatsapp-float svg { width: 18px; height: 18px; color: var(--signal); flex-shrink: 0; }
.whatsapp-float__label { display: none; }
@media (min-width: 480px) { .whatsapp-float__label { display: inline; } }

@media (max-width: 767px) { .contact { padding-bottom: 6.5rem; } }

/* ---- Reveal on scroll ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}