/* ==========================================================================
   AMCER y CONSTRUINOVA — Sistema de Diseño (styles.css)
   CSS3 Vanilla · Sin dependencias
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOKENS DE DISEÑO
   -------------------------------------------------------------------------- */
:root {
  /* --- Marca: azul institucional --- */
  --brand-50:  #f0f9ff;
  --brand-100: #e0f2fe;
  --brand-200: #bae6fd;
  --brand-400: #38bdf8;
  --brand-500: #0ea5e9;
  --brand-blue: #0284c7;
  --brand-blue-hover: #0369a1;
  --brand-blue-deep: #075985;
  --brand-blue-light: var(--brand-100);

  /* --- Neutros --- */
  --primary-dark:   #0f172a;
  --primary-navy:   #1e293b;
  --primary-medium: #334155;

  /* --- Acentos --- */
  --accent-green: #16a34a;
  --accent-green-hover: #15803d;
  --whatsapp-color: #25d366;

  --construinnova-brand: #d97706;
  --construinnova-deep:  #b45309;
  --construinnova-bg:    #fffbeb;
  --construinnova-border:#fde68a;

  /* --- Superficies --- */
  --bg-main:    #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle:  #f1f5f9;

  /* --- Texto --- */
  --text-main:   #0f172a;
  --text-muted:  #475569;
  --text-subtle: #64748b;   /* mínimo legible sobre fondos claros (AA) */
  --text-on-dark:#cbd5e1;   /* sólo sobre fondos oscuros */
  --text-white:  #ffffff;

  /* --- Bordes --- */
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;

  /* --- Geometría --- */
  --container-max-width: 1200px;
  --header-height: 84px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* --- Ritmo vertical --- */
  --section-y: 6rem;

  /* --- Elevación (sombras teñidas de azul, no grises) --- */
  --shadow-xs:    0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm:    0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md:    0 4px 14px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg:    0 14px 32px -8px rgba(15, 23, 42, 0.12), 0 6px 14px -6px rgba(15, 23, 42, 0.07);
  --shadow-hover: 0 24px 44px -12px rgba(2, 132, 199, 0.20), 0 10px 20px -8px rgba(15, 23, 42, 0.10);

  /* --- Movimiento --- */
  --transition-fast:   0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s  cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
ul { list-style: none; }

/* Ancla con desplazamiento correcto bajo el header fijo */
section[id] { scroll-margin-top: calc(var(--header-height) + 1rem); }

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Tipografía --- */
h1, h2, h3, h4 {
  color: var(--primary-dark);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.35rem, 4.4vw, 3.6rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.85rem, 3.1vw, 2.6rem); font-weight: 800; }
h3 { font-size: clamp(1.2rem, 1.8vw, 1.4rem); }
h4 { font-size: 1.075rem; }

p { text-wrap: pretty; }

.text-muted  { color: var(--text-muted); }
.text-center { text-align: center; }

/* --------------------------------------------------------------------------
   3. COMPONENTES REUTILIZABLES
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  background-color: var(--brand-50);
  color: var(--brand-blue-hover);
  border: 1px solid var(--brand-100);
  width: fit-content;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--brand-500);
  flex-shrink: 0;
}

.badge-amber {
  background-color: var(--construinnova-bg);
  color: var(--construinnova-deep);
  border-color: var(--construinnova-border);
}

.badge-amber::before { background-color: var(--construinnova-brand); }

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.975rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn:active { transform: translateY(0) scale(0.985); }

.btn-primary {
  background-color: var(--brand-blue);
  color: var(--text-white);
  box-shadow: 0 4px 14px -4px rgba(2, 132, 199, 0.5);
}
.btn-primary:hover {
  background-color: var(--brand-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px -6px rgba(2, 132, 199, 0.45);
}

.btn-whatsapp {
  background-color: var(--accent-green);
  color: var(--text-white);
  box-shadow: 0 4px 14px -4px rgba(22, 163, 74, 0.5);
}
.btn-whatsapp:hover {
  background-color: var(--accent-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -6px rgba(22, 163, 74, 0.45);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--primary-dark);
  border-color: var(--border-color);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  background-color: var(--bg-surface);
  border-color: var(--brand-200);
  color: var(--brand-blue-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-icon { width: 20px; height: 20px; flex-shrink: 0; }

/* --- Foco accesible --- */
:focus-visible {
  outline: 3px solid var(--brand-400);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Salto al contenido para lectores de pantalla / teclado */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 2000;
  background: var(--primary-dark);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 1rem; }

/* --- Estructura de sección --- */
.section {
  padding: var(--section-y) 0;
  position: relative;
}

.section-bg-subtle { background-color: var(--bg-subtle); }

.section-header {
  max-width: 680px;
  margin: 0 auto 3.5rem auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.section-header .badge { margin-bottom: 0; }
.section-header h2 { margin: 0; }
.section-header p { margin: 0; font-size: 1.125rem; color: var(--text-muted); }

/* --- Superficie de tarjeta compartida --- */
.card-surface {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* --- Revelado al hacer scroll (con escalonado) --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

.reveal.active { opacity: 1; transform: none; }

.destacados-grid > *:nth-child(2),
.categories-grid > *:nth-child(2),
.reasons-grid    > *:nth-child(2),
.process-grid    > *:nth-child(2),
.hero-visual     > *:nth-child(2) { --reveal-delay: 0.09s; }

.destacados-grid > *:nth-child(3),
.categories-grid > *:nth-child(3),
.reasons-grid    > *:nth-child(3),
.process-grid    > *:nth-child(3),
.hero-visual     > *:nth-child(3) { --reveal-delay: 0.18s; }

.categories-grid > *:nth-child(4),
.reasons-grid    > *:nth-child(4) { --reveal-delay: 0.27s; }

/* --------------------------------------------------------------------------
   4. HEADER / NAVBAR
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: background-color var(--transition-fast),
              box-shadow var(--transition-fast),
              border-color var(--transition-fast);
}

.header .container {
  height: 100%;
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.94);
  border-bottom-color: var(--border-color);
  box-shadow: 0 4px 20px -8px rgba(15, 23, 42, 0.12);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 0.7rem;
  padding-right: 0.5rem;
}

.nav-brand-logo {
  height: 50px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.nav-brand:hover .nav-brand-logo { transform: scale(1.04); }

.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: -0.02em;
}

.nav-brand-text small {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

/* Menú centrado entre marca y acciones */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin: 0 auto;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active { color: var(--brand-blue-hover); }

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-500), var(--brand-blue));
  transition: width var(--transition-normal);
  border-radius: var(--radius-full);
}

.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.nav-actions .btn { padding: 0.75rem 1.35rem; font-size: 0.9rem; }

/* El CTA del menú móvil permanece oculto en escritorio */
.nav-actions-mobile { display: none; }

/* --- Hamburguesa --- */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--primary-dark);
  z-index: 1010;
}

.hamburger-box {
  width: 24px;
  height: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
  width: 24px;
  height: 2px;
  background-color: var(--primary-dark);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.hamburger-inner { position: relative; top: 8px; }
.hamburger-inner::before,
.hamburger-inner::after { content: ''; position: absolute; left: 0; }
.hamburger-inner::before { top: -8px; }
.hamburger-inner::after  { top: 8px; }

.hamburger.is-active .hamburger-inner { background-color: transparent; }
.hamburger.is-active .hamburger-inner::before { transform: translateY(8px) rotate(45deg); }
.hamburger.is-active .hamburger-inner::after  { transform: translateY(-8px) rotate(-45deg); }

/* Fondo oscuro tras el menú móvil */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  z-index: 999;
}
.nav-overlay.is-active { opacity: 1; visibility: visible; }

/* --------------------------------------------------------------------------
   5. HERO REDISEÑADO & MEJORAS VISUALES
   -------------------------------------------------------------------------- */
.hero {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 5.5rem;
  background:
    radial-gradient(1100px 550px at 85% -10%, rgba(56, 189, 248, 0.18), transparent 65%),
    radial-gradient(800px 480px at -10% 20%, rgba(2, 132, 199, 0.10), transparent 60%),
    linear-gradient(175deg, #ffffff 0%, #f4f8fc 50%, #eaf2fa 100%);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

/* Esferas de luz ambiente flotantes */
.hero-bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.6;
}

.hero-bg-glow.glow-blue {
  width: 450px;
  height: 450px;
  top: -100px;
  right: -50px;
  background: rgba(56, 189, 248, 0.25);
  animation: float-glow 8s ease-in-out infinite alternate;
}

.hero-bg-glow.glow-amber {
  width: 380px;
  height: 380px;
  bottom: 20px;
  left: -80px;
  background: rgba(251, 191, 36, 0.16);
  animation: float-glow 10s ease-in-out infinite alternate-reverse;
}

@keyframes float-glow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -20px) scale(1.08); }
}

/* Trama de puntos sutil */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.05) 1px, transparent 0);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
  pointer-events: none;
}

.hero > .container { position: relative; z-index: 2; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.35rem;
}

/* Badge con pulso dinámico */
.badge-glow {
  background: rgba(240, 249, 255, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 2px 10px rgba(2, 132, 199, 0.1);
  padding: 0.45rem 1.05rem;
}

.badge-glow::before,
.badge:has(.pulse-dot)::before {
  display: none !important;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-green);
  display: inline-block;
  position: relative;
  flex-shrink: 0;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background-color: var(--accent-green);
  opacity: 0.7;
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}

.hero-title {
  margin: 0;
  font-size: clamp(2.4rem, 4.2vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--primary-dark);
}

.hero-gradient-text {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 45%, #075985 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
  position: relative;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 44ch;
}

/* Tag Chips de Servicios */
.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.1rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary-medium);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
  transition: all var(--transition-fast);
}

.chip svg {
  color: var(--brand-blue);
}

.chip:hover {
  border-color: var(--brand-400);
  color: var(--brand-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.1);
}

/* Botones CTA */
.hero-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.btn-pulse {
  position: relative;
  overflow: hidden;
}

.btn-pulse::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 70%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-20deg);
  animation: shine 4s infinite;
}

@keyframes shine {
  0%, 75% { left: -100%; }
  100% { left: 200%; }
}

.btn-arrow:hover .arrow-svg {
  transform: translateY(2px);
}

.arrow-svg {
  transition: transform var(--transition-fast);
}

/* Fila de Garantías en Hero */
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px dashed rgba(203, 213, 225, 0.7);
  width: 100%;
}

.hero-trust li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.trust-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: rgba(22, 163, 74, 0.12);
  color: var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-check svg {
  width: 13px;
  height: 13px;
}

/* --------------------------------------------------------------------------
   SHOWCASE VISUAL EN HERO (DERECHA)
   -------------------------------------------------------------------------- */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}

/* Tarjeta de imagen principal de showcase */
.hero-showcase-card {
  background: var(--bg-surface);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-xl);
  padding: 0.6rem;
  box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.12), 0 8px 16px -6px rgba(15, 23, 42, 0.06);
  position: relative;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.hero-showcase-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 50px -14px rgba(2, 132, 199, 0.18), 0 12px 24px -8px rgba(15, 23, 42, 0.08);
}

.hero-showcase-image-frame {
  position: relative;
  width: 100%;
  border-radius: calc(var(--radius-xl) - 0.4rem);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: var(--primary-navy);
}

.hero-showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.hero-showcase-card:hover .hero-showcase-img {
  transform: scale(1.03);
}

.hero-showcase-gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.65) 100%);
  pointer-events: none;
}

/* Insignia flotante de asesora sobre la imagen */
.hero-advisor-floating-badge {
  position: absolute;
  bottom: 1.1rem;
  left: 1.1rem;
  right: 1.1rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.18);
  z-index: 2;
}

.advisor-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-500), var(--brand-blue-deep));
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.35);
}

.advisor-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  flex-grow: 1;
}

.advisor-meta strong {
  font-size: 0.95rem;
  color: var(--primary-dark);
  font-weight: 800;
}

.advisor-meta span {
  font-size: 0.775rem;
  color: var(--text-muted);
  font-weight: 600;
}

.online-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.25);
  flex-shrink: 0;
}

/* Pila de Accesos Rápidos estilo Glass */
.hero-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.hero-card-pill {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.35rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.hero-card-pill:hover {
  background: #ffffff;
  border-color: var(--brand-200);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.hero-card-pill.accent-amber:hover {
  border-color: var(--construinnova-border);
}

.pill-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.pill-icon-box.blue {
  background: linear-gradient(135deg, var(--brand-50), var(--brand-100));
  color: var(--brand-blue);
  border: 1px solid var(--brand-200);
}

.pill-icon-box.amber {
  background: linear-gradient(135deg, var(--construinnova-bg), #fef3c7);
  color: var(--construinnova-brand);
  border: 1px solid var(--construinnova-border);
}

.hero-card-pill:hover .pill-icon-box {
  transform: scale(1.08);
}

.pill-content {
  flex-grow: 1;
}

.pill-content h4 {
  font-size: 0.975rem;
  font-weight: 700;
  margin-bottom: 0.1rem;
  color: var(--primary-dark);
}

.pill-content p {
  font-size: 0.835rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.pill-arrow {
  font-size: 1.25rem;
  color: var(--text-subtle);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.hero-card-pill:hover .pill-arrow {
  transform: translateX(4px);
  color: var(--brand-blue);
}

/* --------------------------------------------------------------------------
   6. SERVICIOS DESTACADOS
   -------------------------------------------------------------------------- */
.destacados-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.card-destacada {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal),
              border-color var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  height: 100%;
}

/* Barra superior que aparece al pasar el cursor */
.card-destacada::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-400), var(--brand-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.card-destacada:hover::before { transform: scaleX(1); }

.card-destacada:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--brand-200);
}

.card-destacada-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: linear-gradient(140deg, var(--brand-50), var(--brand-100));
  border: 1px solid var(--brand-100);
  color: var(--brand-blue-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.4rem;
  transition: transform var(--transition-normal),
              background var(--transition-normal),
              color var(--transition-normal);
}

.card-destacada:hover .card-destacada-icon {
  transform: scale(1.06) rotate(-3deg);
  background: linear-gradient(140deg, var(--brand-500), var(--brand-blue-hover));
  color: var(--text-white);
  border-color: transparent;
}

.card-destacada h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  letter-spacing: 0.01em;
}

.card-destacada p {
  color: var(--text-muted);
  font-size: 0.975rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--brand-blue-hover);
  font-weight: 700;
  font-size: 0.925rem;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.card-link svg { transition: transform var(--transition-fast); }
.card-destacada:hover .card-link { gap: 0.75rem; }
.card-destacada:hover .card-link svg { transform: translateX(2px); }

/* --------------------------------------------------------------------------
   7. SECCIÓN AMCER
   -------------------------------------------------------------------------- */
.amcer-split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  margin-bottom: 3rem;
  align-items: stretch;
}

.amcer-image-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
  min-height: 100%;
}

.amcer-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.amcer-header-block {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--brand-50) 100%);
  border: 1px solid var(--brand-100);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2.25rem;
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.amcer-logo-frame {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-xs);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.amcer-logo-img {
  max-width: 130px;
  max-height: 100px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.amcer-intro h2 { margin-bottom: 0.6rem; }
.amcer-intro p  { font-size: 1.075rem; color: var(--text-muted); max-width: 68ch; }

.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: start;   /* cada tarjeta ocupa sólo lo que necesita */
  gap: 1.75rem;
}

.category-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.9rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal),
              border-color var(--transition-normal);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-200);
}

.category-title-box {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--border-color);
}

.category-title-box h3 {
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  color: var(--primary-navy);
}

.category-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: linear-gradient(140deg, var(--brand-50), var(--brand-100));
  border: 1px solid var(--brand-100);
  color: var(--brand-blue-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.975rem;
  color: var(--text-main);
  font-weight: 500;
}

.item-check-icon {
  width: 18px;
  height: 18px;
  color: var(--accent-green);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   8. SECCIÓN CONSTRUINOVA
   -------------------------------------------------------------------------- */
.construinnova-section {
  background:
    radial-gradient(760px 420px at 82% 10%, rgba(217, 119, 6, 0.07), transparent 62%),
    linear-gradient(180deg, #ffffff 0%, #fffbeb 100%);
  border-top: 1px solid var(--construinnova-border);
  border-bottom: 1px solid var(--construinnova-border);
  position: relative;
}

.construinnova-card > * { min-width: 0; }

.construinnova-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--construinnova-border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: 0 18px 40px -16px rgba(180, 83, 9, 0.22);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.construinnova-content h2 {
  color: var(--primary-dark);
  margin-bottom: 0.35rem;
}

.construinnova-content .badge-amber { margin-bottom: 1.1rem; }

.construinnova-content > p {
  font-size: 1.075rem;
  color: var(--text-muted);
  margin-bottom: 1.6rem;
}

.construinnova-feature-box {
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  border: 1px solid var(--construinnova-border);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  margin-bottom: 1.9rem;
}

.construinnova-feature-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(140deg, #f59e0b, var(--construinnova-deep));
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 6px 14px -6px rgba(180, 83, 9, 0.6);
}

.construinnova-feature-info h4 {
  color: var(--primary-dark);
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.construinnova-feature-info p {
  font-size: 0.9rem;
  color: #78350f;
  margin: 0;
  line-height: 1.55;
}

.construinnova-image-showcase {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 400px;
}

.construinnova-showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
}

.construinnova-image-overlay {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  border: 1px solid var(--border-color);
}

.construinnova-overlay-logo {
  max-width: 160px;
  height: auto;
  object-fit: contain;
}

.construinnova-logo-img {
  max-width: 200px;
  max-height: 110px;
  width: auto;
  height: auto;
  object-fit: contain;
  margin-bottom: 0.75rem;
}

.future-services-note {
  font-size: 0.8125rem;
  color: var(--construinnova-deep);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   9. ¿POR QUÉ ELEGIRNOS?
   -------------------------------------------------------------------------- */.nosotros-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.nosotros-image-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 100%;
  min-height: 400px;
}

.nosotros-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.reason-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.5rem;
  text-align: center;
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal),
              border-color var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.reason-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--brand-200);
}

.reason-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  background: linear-gradient(140deg, var(--brand-50), var(--brand-100));
  color: var(--brand-blue-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem auto;
  border: 1px solid var(--brand-100);
  box-shadow: 0 0 0 6px rgba(224, 242, 254, 0.5);
  transition: box-shadow var(--transition-normal);
}

.reason-card:hover .reason-icon { box-shadow: 0 0 0 9px rgba(224, 242, 254, 0.75); }

.reason-card h3 { font-size: 1.1rem; margin-bottom: 0.6rem; }
.reason-card p  { font-size: 0.925rem; color: var(--text-muted); }

/* --------------------------------------------------------------------------
   10. PROCESO DE ATENCIÓN
   -------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

.process-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.process-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* Conector punteado entre pasos (sólo escritorio) */
@media (min-width: 1025px) {
  .process-card:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 4.4rem;
    right: -2rem;
    width: 2rem;
    border-top: 2px dashed var(--border-hover);
  }
}

.process-number {
  position: absolute;
  top: 1.35rem;
  right: 1.5rem;
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1;
  user-select: none;
  background: linear-gradient(180deg, var(--brand-100), rgba(224, 242, 254, 0.15));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.process-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: linear-gradient(140deg, var(--brand-500), var(--brand-blue-hover));
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.4rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 8px 18px -8px rgba(2, 132, 199, 0.7);
}

.process-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; position: relative; z-index: 1; }
.process-card p  { font-size: 0.95rem; color: var(--text-muted); position: relative; z-index: 1; }

/* --------------------------------------------------------------------------
   11. CONTACTO
   -------------------------------------------------------------------------- */
.contacto-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 3.25rem;
  box-shadow: var(--shadow-lg);
}

.contacto-info-col h2 { margin: 1rem 0 0.75rem; }

.contacto-info-col > p {
  font-size: 1.075rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.25rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 0.85rem;
  margin: 0 -0.85rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

a.contact-detail-item:hover { background-color: var(--brand-50); }

.contact-detail-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: linear-gradient(140deg, var(--brand-50), var(--brand-100));
  border: 1px solid var(--brand-100);
  color: var(--brand-blue-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-text span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.07em;
  margin-bottom: 0.15rem;
}

.contact-detail-text strong {
  font-size: 1.1rem;
  color: var(--primary-dark);
}

.contacto-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.contacto-card-right {
  background:
    radial-gradient(420px 260px at 110% 110%, rgba(2, 132, 199, 0.35), transparent 65%),
    linear-gradient(150deg, var(--primary-navy) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2.25rem;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}

.contacto-card-right h3 {
  color: #fff;
  font-size: 1.55rem;
  margin-bottom: 0.85rem;
}

.contacto-card-right p {
  color: var(--text-on-dark);
  font-size: 1rem;
  margin-bottom: 1.75rem;
}

.advisor-badge-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  width: 100%;
}

.advisor-avatar-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full);
  background: linear-gradient(140deg, var(--brand-500), var(--brand-blue-hover));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.advisor-details strong { font-size: 1.05rem; color: #fff; display: block; }
.advisor-details span   { display: block; font-size: 0.8125rem; color: var(--text-on-dark); }

/* --- Mapa de ubicación --- */
.contacto-map {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--border-color);
}

.contacto-map-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.contacto-map-address span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.07em;
  margin-bottom: 0.15rem;
}

.contacto-map-address strong {
  font-size: 1.1rem;
  color: var(--primary-dark);
}

.contacto-map-btn { padding: 0.75rem 1.35rem; font-size: 0.9rem; }

.contacto-map-frame {
  position: relative;
  aspect-ratio: 21 / 8;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  background-color: var(--bg-subtle);
}

/* Mensaje de respaldo, visible sólo si el mapa no llega a cargar */
.contacto-map-frame::before {
  content: 'Cargando mapa…';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-subtle);
}

.contacto-map-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* --------------------------------------------------------------------------
   12. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background:
    radial-gradient(700px 320px at 12% 0%, rgba(2, 132, 199, 0.16), transparent 60%),
    var(--primary-dark);
  color: var(--text-on-dark);
  padding-top: 4.5rem;
  padding-bottom: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col-brand h3 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.footer-col-brand p {
  font-size: 0.925rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  max-width: 40ch;
}

.footer-brand-logos {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-logo-img {
  height: 54px;
  width: auto;
  border-radius: var(--radius-md);
  background-color: #fff;
  padding: 0.5rem 0.85rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  object-fit: contain;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  color: var(--text-on-dark);
  font-size: 0.925rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover { color: #fff; padding-left: 4px; }

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-contact-info p {
  font-size: 0.925rem;
  margin: 0;
}

.footer-contact-info strong {
  display: block;
  color: #fff;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin-bottom: 0.1rem;
}

.footer-contact-info a { transition: color var(--transition-fast); }
.footer-contact-info a:hover { color: #fff; text-decoration: underline; }

.footer-bottom {
  padding-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.825rem;
  flex-wrap: wrap;
  gap: 0.75rem;
  color: #94a3b8;
}

/* --------------------------------------------------------------------------
   13. BOTÓN FLOTANTE DE WHATSAPP
   -------------------------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 58px;
  height: 58px;
  background-color: var(--whatsapp-color);
  color: #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.42);
  z-index: 900;
  transition: transform var(--transition-normal),
              background-color var(--transition-normal),
              box-shadow var(--transition-normal);
  animation: pulse-green 3s infinite;
}

.whatsapp-float svg { width: 32px; height: 32px; }

.whatsapp-float:hover {
  transform: scale(1.08) translateY(-3px);
  background-color: var(--accent-green-hover);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55);
}

.whatsapp-float-tooltip {
  position: absolute;
  right: 70px;
  background-color: var(--primary-dark);
  color: #fff;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: opacity var(--transition-normal),
              visibility var(--transition-normal),
              transform var(--transition-normal);
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

.whatsapp-float-tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -5px;
  transform: translateY(-50%);
  border-width: 5px 0 5px 5px;
  border-style: solid;
  border-color: transparent transparent transparent var(--primary-dark);
}

.whatsapp-float:hover .whatsapp-float-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

@keyframes pulse-green {
  0%   { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.42), 0 0 0 0 rgba(37, 211, 102, 0.55); }
  70%  { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.42), 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.42), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* --------------------------------------------------------------------------
   14. RESPONSIVE
   -------------------------------------------------------------------------- */

/* --- Escritorio pequeño --- */
@media (max-width: 1180px) {
  .nav-menu { gap: 1.25rem; }
  .nav-link { font-size: 0.85rem; }
  .nav-actions .btn { padding: 0.7rem 1.1rem; font-size: 0.85rem; }
}

/* --- Navegación: menú lateral a partir de aquí --- */
@media (max-width: 960px) {
  .hamburger { display: block; }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: min(88%, 340px);
    left: auto;
    right: 0;
    height: calc(100dvh - var(--header-height));
    background-color: var(--bg-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    margin: 0;
    transform: translateX(105%);
    transition: transform var(--transition-normal);
    box-shadow: -12px 0 32px -12px rgba(15, 23, 42, 0.25);
    overflow-y: auto;
    border-left: 1px solid var(--border-color);
  }

  .nav-menu.is-active { transform: translateX(0); }

  .nav-menu li { width: 100%; }

  .nav-link {
    display: block;
    font-size: 1.05rem;
    width: 100%;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--bg-subtle);
  }

  .nav-link::after { display: none; }

  .nav-actions { display: none; }

  .nav-menu .nav-actions-mobile {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin-top: 0.75rem;
  }

  .nav-menu .nav-actions-mobile .btn { width: 100%; }

}

/* --- Tablet --- */
@media (max-width: 1024px) {
  :root { --section-y: 4.5rem; }

  .hero { padding-top: calc(var(--header-height) + 3rem); padding-bottom: 4rem; }

  .hero-grid { grid-template-columns: 1fr; gap: 2.75rem; }
  .hero-subtitle { max-width: 56ch; }

  .destacados-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .amcer-split { grid-template-columns: 1fr; gap: 2rem; }
  .amcer-image-frame { min-height: 300px; }
  .construinnova-card { grid-template-columns: 1fr; gap: 2.25rem; padding: 2.25rem; }
  .construinnova-image-showcase { min-height: 300px; }
  .nosotros-split { grid-template-columns: 1fr; gap: 2rem; }
  .nosotros-image-frame { min-height: 300px; }
  .reasons-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr; }
  .contacto-wrapper { grid-template-columns: 1fr; padding: 2.25rem; gap: 2.25rem; }
  .contacto-map { padding-top: 0; border-top: none; }
  .contacto-map-frame { aspect-ratio: 16 / 9; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

/* --- Móvil --- */
@media (max-width: 768px) {
  :root { --section-y: 3.5rem; --header-height: 72px; }

  .hero-content { align-items: stretch; }
  .hero-cta { flex-direction: column; align-items: stretch; width: 100%; }
  .hero-cta .btn { width: 100%; }
  .hero-trust { justify-content: flex-start; }
  .hero-content .badge { align-self: flex-start; }

  .amcer-header-block {
    flex-direction: column;
    text-align: center;
    padding: 1.75rem;
    gap: 1.5rem;
  }

  .amcer-intro p { max-width: none; }

  .reasons-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.25rem; padding-bottom: 2.25rem; }
  .footer-bottom { justify-content: center; text-align: center; }

  .contacto-actions { flex-direction: column; width: 100%; }
  .contacto-actions .btn { width: 100%; }

  .construinnova-content .btn {
    width: 100%;
    white-space: normal;
  }

  .contacto-map-head { align-items: stretch; }
  .contacto-map-btn { width: 100%; }
  .contacto-map-frame { aspect-ratio: 4 / 3; }

  .whatsapp-float { bottom: 1.25rem; right: 1.25rem; width: 54px; height: 54px; }
  .whatsapp-float svg { width: 30px; height: 30px; }
  .whatsapp-float-tooltip { display: none; }

  .nav-brand-logo { height: 42px; }
  .process-number { font-size: 2.75rem; }
}

/* --- Móvil pequeño --- */
@media (max-width: 420px) {
  .container { padding: 0 1.15rem; }
  .nav-brand-text { display: none; }
  .card-destacada { padding: 1.9rem 1.5rem; }
  .category-card { padding: 1.5rem; }
  .contacto-wrapper { padding: 1.75rem 1.35rem; }
  .contacto-card-right { padding: 2rem 1.5rem; }
  .hero-card-preview { padding: 1.25rem; gap: 0.9rem; }
}

/* --------------------------------------------------------------------------
   15. PREFERENCIAS DE MOVIMIENTO E IMPRESIÓN
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal { opacity: 1 !important; transform: none !important; }
}

@media print {
  .header, .whatsapp-float, .nav-overlay, .hero::before { display: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  body { background: #fff; }
  .section { padding: 1.5rem 0; break-inside: avoid; }
}