/* ════════════════════════════════════════════════════════════════
   IMPUESTOX · Contahabilidad — Landing premium
   Sistema visual según Manual de Identidad de Marca v2.0 — 2026
   Paleta 60/30/10: Azul Impuesto / Terracota / Rojo Foco
   ════════════════════════════════════════════════════════════════ */

:root {
  /* Paleta del manual */
  --navy:      #1F1564;  /* Azul Impuesto — principal 60% */
  --terracota: #CC6933;  /* Terracota Cercanía — secundario 30% */
  --rojo:      #C21B1B;  /* Rojo Foco — apoyo 10%, nunca dominante */
  --marfil:    #F7F4EE;
  --arena:     #E6E0D5;
  --gris:      #7B7690;
  --tinta:     #241D3F;

  /* Derivados */
  --navy-deep: #180F4E;
  --navy-soft: #2A2076;
  --terra-dark:#B25625;

  /* Tipografía: Hoefler Text → EB Garamond (web); Libre Franklin (manual) */
  --serif: "Hoefler Text", "EB Garamond", Georgia, serif;
  --sans:  "Libre Franklin", "Helvetica Neue", Arial, sans-serif;

  --radius: 14px;
  --shadow: 0 18px 50px -18px rgba(31, 21, 100, 0.28);
  --container: 1160px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* ════════════════ PANTALLA DE CARGA ════════════════ */
/* Solo se muestra si hay JS (clase html.js, añadida inline). Si el JS falla,
   nunca tapa el contenido. */
.preloader { display: none; }

html.js .preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 55%, var(--navy-soft) 100%);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader-logo {
  width: min(72vw, 360px);
  height: auto;
  animation: preloaderFade 0.6s ease both,
             preloaderPulse 1.8s ease-in-out 0.6s infinite;
}

@keyframes preloaderFade { from { opacity: 0 } to { opacity: 1 } }
@keyframes preloaderPulse { 0%, 100% { transform: scale(1) } 50% { transform: scale(1.05) } }

/* Estado oculto (lo aplica el JS al terminar) */
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

/* Accesibilidad: sin latido si el usuario prefiere menos movimiento */
@media (prefers-reduced-motion: reduce) {
  .preloader-logo { animation: preloaderFade 0.4s ease both; }
}

html {
  scroll-behavior: smooth;
  /* Red de seguridad: ningún elemento debe generar scroll horizontal en móvil */
  overflow-x: hidden;
}

body {
  font-family: var(--sans);
  font-weight: 400;
  color: var(--tinta);
  background: var(--marfil);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* Palabras muy largas nunca rompen el ancho del contenedor */
  overflow-wrap: break-word;
}

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

h1, h2, h3 { font-weight: 500; line-height: 1.15; }

h1, h2 { font-family: var(--serif); color: var(--navy); }

h1 em, h2 em {
  font-style: italic;
  color: var(--terracota);
}

a { color: inherit; }

.container {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
}

.container.narrow { max-width: 820px; }

.section { padding: 104px 0; }

/* ── Utilidades tipográficas ── */
.eyebrow {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terracota);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--terracota);
  flex-shrink: 0;
}

.eyebrow.light { color: var(--terracota); }

h2 {
  font-size: clamp(2rem, 4.4vw, 3.1rem);
  margin-bottom: 20px;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--gris);
  max-width: 560px;
  margin-bottom: 56px;
}

/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  padding: 15px 28px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease,
              background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--terracota); outline-offset: 3px; }

.btn-primary {
  background: var(--terracota);
  color: #fff;
  box-shadow: 0 12px 30px -12px rgba(204, 105, 51, 0.55);
}
.btn-primary:hover { background: var(--terra-dark); }

.btn-primary.big { padding: 18px 36px; font-size: 1.05rem; }

.btn-ghost {
  background: transparent;
  color: var(--marfil);
  border-color: rgba(247, 244, 238, 0.45);
}
.btn-ghost:hover { border-color: var(--marfil); background: rgba(247, 244, 238, 0.08); }

/* ════════════════ HEADER ════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  background: transparent;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: var(--navy-deep);
  box-shadow: 0 6px 30px -10px rgba(24, 15, 78, 0.6);
}

.header-inner {
  width: min(100% - 48px, 1240px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

/* Marca (logotipo oficial, versión clara para fondo navy) */
.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  display: block;
  height: 34px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(247, 244, 238, 0.85);
  text-decoration: none;
  transition: color 0.2s ease;
}

.main-nav a:hover { color: #fff; }

.btn-nav {
  background: var(--terracota);
  color: #fff !important;
  padding: 11px 22px;
  border-radius: 8px;
  font-weight: 600;
}
.btn-nav:hover { background: var(--terra-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--marfil);
  transition: transform 0.25s ease, opacity 0.25s 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 ════════════════ */
/* Video a lo ancho como fondo; el degradé navy base queda de fallback
   mientras carga o si el video no puede reproducirse. */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 55%, var(--navy-soft) 100%);
  color: var(--marfil);
  overflow: hidden;
  min-height: min(92vh, 860px);
  padding: 170px 0 110px;
  display: flex;
  align-items: center;
}

/* Fondo full-bleed: video + velo + grafismo */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Ancla el encuadre arriba: evita que se corten las cabezas */
  object-position: center top;
  opacity: 0;
  transition: opacity 0.9s ease;
}

.hero-video.playing { opacity: 1; }

.video-off .hero-video { display: none; }

/* Velo: oscuro a la izquierda → transparente a la derecha (estilo original),
   con refuerzo vertical abajo para anclar chips y transición a la siguiente sección */
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(24, 15, 78, 0.55) 0%, transparent 32%),
    linear-gradient(90deg,
      rgba(31, 21, 100, 0.94) 0%,
      rgba(31, 21, 100, 0.78) 36%,
      rgba(31, 21, 100, 0.34) 68%,
      rgba(31, 21, 100, 0.12) 100%);
}

/* Diagonales 60° — grafismo del manual, muy sutil sobre el velo */
.hero-lines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    60deg,
    transparent 0px,
    transparent 46px,
    rgba(204, 105, 51, 0.07) 46px,
    rgba(204, 105, 51, 0.07) 47px
  );
}

.hero-inner {
  position: relative;
  width: min(100% - 48px, 1240px);
  margin: 0 auto;
}

.hero-copy { max-width: 660px; }

.hero .eyebrow { color: var(--terracota); }
/* Sin la línea/guion inicial solo en el hero (se mantiene en las demás secciones) */
.hero .eyebrow::before { display: none; }

.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  color: var(--marfil);
  margin-bottom: 24px;
}

.hero h1 em { color: var(--terracota); }

.hero-sub {
  font-size: 1.12rem;
  font-weight: 300;
  color: rgba(247, 244, 238, 0.86);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 42px;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  list-style: none;
}

.hero-chips li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(247, 244, 238, 0.75);
}

.chip-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rojo); /* Rojo Foco: el detalle que no se escapa */
  flex-shrink: 0;
}

/* ════════════════ PROBLEMA ════════════════ */
.problema { background: var(--marfil); }

.problema-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.problema-card {
  background: #fff;
  border: 1px solid rgba(123, 118, 144, 0.16);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.problema-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(204, 105, 51, 0.4);
}

.icon {
  width: 34px;
  height: 34px;
  color: var(--navy);
  margin-bottom: 18px;
}

.icon.big { width: 40px; height: 40px; }

.problema-card h3 {
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.problema-card p {
  font-size: 0.92rem;
  color: var(--gris);
}

.problema-callout {
  margin-top: 46px;
  position: relative;
  background: var(--navy);
  border-radius: var(--radius);
  padding: 44px 52px;
  overflow: hidden;
}

.problema-callout p {
  position: relative;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  color: var(--marfil);
  max-width: 720px;
  line-height: 1.45;
}

.problema-callout strong { color: var(--terracota); font-weight: 600; }

.callout-star {
  position: absolute;
  width: 190px;
  right: -40px;
  top: -40px;
  opacity: 0.16;
}

/* ════════════════ POSICIONAMIENTO ════════════════ */
.posicionamiento {
  background: #fff;
  text-align: center;
}

.posicionamiento .eyebrow { justify-content: center; }
.posicionamiento .eyebrow::after {
  content: "";
  width: 28px; height: 1px;
  background: var(--terracota);
}

.posicionamiento .section-lead { margin-inline: auto; }

.pilares {
  display: grid;
  /* auto-fit: 3 columnas en escritorio, 2 en tablet y 1 en móvil,
     sin desbordar nunca el ancho de la pantalla */
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 26px;
  margin-top: 26px;
  text-align: left;
}

.pilar {
  background: var(--marfil);
  border-radius: var(--radius);
  padding: 34px 30px;
  border: 1px solid rgba(123, 118, 144, 0.14);
}

.pilar .icon { color: var(--terracota); }

.pilar h3 {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: 8px;
}

.pilar p { font-size: 0.94rem; color: var(--gris); }

/* ════════════════ EX SUNAT ════════════════ */
.exsunat {
  position: relative;
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: var(--marfil);
  overflow: hidden;
}

.exsunat-lines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    60deg,
    transparent 0px,
    transparent 60px,
    rgba(204, 105, 51, 0.07) 60px,
    rgba(204, 105, 51, 0.07) 61px
  );
  pointer-events: none;
}

.exsunat .container { position: relative; }

.exsunat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.exsunat h2 { color: var(--marfil); }

.exsunat-copy p:not(.eyebrow) {
  color: rgba(247, 244, 238, 0.82);
  font-weight: 300;
  margin-bottom: 20px;
  max-width: 500px;
}

.exsunat-cards {
  display: grid;
  gap: 20px;
}

.exsunat-card {
  background: rgba(247, 244, 238, 0.05);
  border: 1px solid rgba(247, 244, 238, 0.14);
  border-left: 3px solid var(--terracota);
  border-radius: 10px;
  padding: 26px 30px;
  backdrop-filter: blur(4px);
}

.exsunat-card h3 {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terracota);
  margin-bottom: 10px;
}

.exsunat-card p {
  font-size: 0.95rem;
  font-weight: 300;
  color: rgba(247, 244, 238, 0.85);
}

/* ════════════════ SERVICIOS ════════════════ */
.servicios { background: var(--marfil); }

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}

.servicio-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid rgba(123, 118, 144, 0.16);
  border-radius: var(--radius);
  padding: 38px 32px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.servicio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.servicio-card .icon { color: var(--navy); }

.servicio-card h3 {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--navy);
  margin: 6px 0 16px;
}

.servicio-card ul {
  list-style: none;
  flex-grow: 1;
  margin-bottom: 28px;
}

.servicio-card li {
  position: relative;
  padding-left: 22px;
  font-size: 0.93rem;
  color: var(--gris);
  margin-bottom: 10px;
}

/* Estrella de 4 puntas como viñeta — grafismo insignia del manual */
.servicio-card li::before {
  content: "✦";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.7rem;
  color: var(--terracota);
}

.servicio-card.destacado {
  background: var(--navy);
  border-color: var(--navy);
  position: relative;
}

.servicio-card.destacado .icon { color: var(--terracota); }
.servicio-card.destacado h3 { color: var(--marfil); }
.servicio-card.destacado li { color: rgba(247, 244, 238, 0.82); }

.card-tag {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--marfil);
  background: var(--terracota);
  padding: 5px 12px;
  border-radius: 100px;
}

.btn-card {
  border: 1.5px solid var(--navy);
  color: var(--navy);
  background: transparent;
  padding: 12px 20px;
  font-size: 0.88rem;
}

.btn-card:hover { background: var(--navy); color: #fff; }

.btn-card.solid {
  background: var(--terracota);
  border-color: var(--terracota);
  color: #fff;
}

.btn-card.solid:hover { background: var(--terra-dark); border-color: var(--terra-dark); }

.wa { width: 18px; height: 18px; flex-shrink: 0; }

/* ════════════════ MÉTODO ════════════════ */
.metodo {
  background: var(--arena);
  position: relative;
  overflow: hidden;
}

.metodo-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  counter-reset: paso;
}

.metodo-steps li {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px 24px;
  border-top: 3px solid var(--terracota);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.metodo-steps li:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.step-num {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--terracota);
  display: block;
  margin-bottom: 10px;
}

.metodo-steps h3 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.metodo-steps p { font-size: 0.88rem; color: var(--gris); }

/* ════════════════ NOSOTROS ════════════════ */
.nosotros { background: #fff; }

.nosotros-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 72px;
  align-items: center;
}

.nosotros-media {
  position: relative;
  max-width: 460px;
}

.nosotros-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
  width: 100%;
  height: auto;
}

.nosotros-frame {
  position: absolute;
  inset: -20px 20px 20px -20px;
  border: 1.5px solid rgba(204, 105, 51, 0.5);
  border-radius: var(--radius);
}

.nosotros-copy p:not(.eyebrow) {
  color: var(--gris);
  margin-bottom: 24px;
  max-width: 540px;
}

.credenciales {
  list-style: none;
  margin-bottom: 34px;
}

.credenciales li {
  position: relative;
  padding-left: 24px;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 10px;
}

.credenciales li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--terracota);
  font-size: 0.75rem;
  top: 2px;
}

/* ════════════════ CTA FINAL ════════════════ */
.cta-final {
  position: relative;
  background: linear-gradient(155deg, var(--navy) 0%, var(--navy-deep) 90%);
  color: var(--marfil);
  text-align: center;
  padding: 120px 0;
  overflow: hidden;
}

/* Estrella al corte — recurso del manual */
.cta-star {
  position: absolute;
  width: 420px;
  right: -130px;
  bottom: -130px;
  color: var(--navy-soft);
  opacity: 0.55;
  pointer-events: none;
}

.cta-final h2 {
  color: var(--marfil);
  position: relative;
}

.cta-final > .container > p {
  position: relative;
  font-size: 1.12rem;
  font-weight: 300;
  color: rgba(247, 244, 238, 0.8);
  margin-bottom: 40px;
}

.cta-actions {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.cta-alt {
  display: flex;
  gap: 14px;
  font-size: 0.95rem;
  color: rgba(247, 244, 238, 0.7);
}

.cta-alt a {
  color: var(--marfil);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 244, 238, 0.35);
  transition: border-color 0.2s ease;
}

.cta-alt a:hover { border-color: var(--terracota); }

/* ════════════════ FOOTER ════════════════ */
.site-footer {
  background: var(--tinta);
  color: rgba(247, 244, 238, 0.75);
  padding: 72px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(247, 244, 238, 0.12);
}

.footer-tagline {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--marfil);
  margin-top: 18px;
  line-height: 1.4;
}

.footer-col h3 {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terracota);
  margin-bottom: 16px;
}

.footer-col a, .footer-col p {
  display: block;
  font-size: 0.92rem;
  color: rgba(247, 244, 238, 0.75);
  text-decoration: none;
  margin-bottom: 10px;
}

.footer-col a:hover { color: #fff; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding-top: 28px;
  font-size: 0.8rem;
  color: rgba(247, 244, 238, 0.45);
}

/* ════════════════ WHATSAPP FLOTANTE ════════════════ */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 55;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--terracota);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 34px -10px rgba(204, 105, 51, 0.65);
  transition: transform 0.22s ease, background-color 0.22s ease;
}

.wa-float svg { width: 30px; height: 30px; }

.wa-float:hover {
  transform: translateY(-3px) scale(1.05);
  background: var(--terra-dark);
}

/* ════════════════ ANIMACIONES (reveal) ════════════════ */
/* Solo se ocultan elementos si JS está activo — contenido siempre legible */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Red de seguridad: nunca dejar texto invisible (regla de la skill) */
.reveal[data-split] { opacity: 1; transform: none; }

/* ════════════════ RESPONSIVE ════════════════ */
@media (max-width: 1080px) {
  .problema-grid { grid-template-columns: repeat(2, 1fr); }
  .metodo-steps { grid-template-columns: repeat(3, 1fr); }
  .exsunat-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 900px) {
  .section { padding: 76px 0; }

  .hero { min-height: min(86vh, 760px); padding: 140px 0 80px; }

  /* Velo más uniforme: el texto sigue legible sobre el video en pantallas medianas */
  .hero-veil {
    background:
      linear-gradient(0deg, rgba(24, 15, 78, 0.6) 0%, transparent 40%),
      linear-gradient(90deg,
        rgba(31, 21, 100, 0.92) 0%,
        rgba(31, 21, 100, 0.72) 55%,
        rgba(31, 21, 100, 0.42) 100%);
  }

  .servicios-grid { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }

  .nosotros-grid { grid-template-columns: 1fr; gap: 56px; }
  .nosotros-media { margin-inline: auto; }

  .footer-grid { grid-template-columns: 1fr; gap: 36px; }

  /* Menú móvil */
  .nav-toggle { display: flex; }

  .site-header { background: var(--navy-deep); }

  .main-nav {
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy-deep);
    padding: 12px 24px 28px;
    box-shadow: 0 24px 40px -18px rgba(0, 0, 0, 0.5);
    transform: translateY(-130%);
    transition: transform 0.32s cubic-bezier(0.22, 0.61, 0.36, 1);
    visibility: hidden;
  }

  .main-nav.open {
    transform: translateY(0);
    visibility: visible;
  }

  .main-nav a {
    padding: 15px 4px;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(247, 244, 238, 0.1);
  }

  .btn-nav {
    margin-top: 18px;
    text-align: center;
    justify-content: center;
    display: flex;
    border-bottom: none !important;
  }
}

@media (max-width: 600px) {
  .container, .essence-inner, .header-inner, .hero-inner { width: min(100% - 40px, 100%); }

  h2 { font-size: clamp(1.75rem, 7vw, 2.2rem); }

  .hero h1 { font-size: clamp(2.05rem, 8.6vw, 2.6rem); }

  .hero-ctas .btn { width: 100%; }

  .problema-grid { grid-template-columns: 1fr; }

  .metodo-steps { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }

  .problema-callout { padding: 34px 28px; }

  .essence-inner { flex-direction: column; gap: 10px; }
  .essence-star { display: none; }

  /* En móvil el velo cubre casi todo para que el slogan se lea sobre el video */
  .hero { min-height: min(88vh, 700px); }

  .hero-veil {
    background:
      linear-gradient(180deg,
        rgba(31, 21, 100, 0.82) 0%,
        rgba(31, 21, 100, 0.72) 55%,
        rgba(24, 15, 78, 0.86) 100%);
  }

  .cta-final { padding: 90px 0; }

  .wa-float { width: 52px; height: 52px; right: 16px; bottom: 16px; }

  /* Espaciados internos más compactos en móvil */
  .pilar { padding: 28px 24px; }
  .servicio-card { padding: 32px 26px; }
  .problema-callout { padding: 30px 24px; }
  .exsunat-card { padding: 22px 24px; }

  /* Los CTA de contacto se apilan y quedan legibles */
  .cta-alt { flex-direction: column; gap: 8px; }
}

/* Pantallas muy pequeñas (≤380px): evita cualquier apretujón */
@media (max-width: 380px) {
  .container, .essence-inner, .header-inner, .hero-inner { width: calc(100% - 32px); }
  .btn { padding: 14px 22px; }
  .hero { padding: 128px 0 64px; }
}