/* ==========================================================================
   OCVIMAT LLC - CONSTRUCTORA | ESTILOS CSS3 VANILLA
   Paleta Oficial Basada en la Identidad del Logo: Azul Marino & Gris Acero Metálico
   ========================================================================== */

/* 1. SISTEMA DE VARIABLES & DISEÑO (DESIGN TOKENS) */
:root {
  /* Paleta de Colores Corporativa (Navy & Steel Gray) */
  --primary-navy: #0A2540;
  /* Azul Marino del Logo */
  --primary-dark: #061728;
  /* Azul Noche Oscuro */
  --primary-blue: #1D4ED8;
  /* Azul Real Highlight */
  --primary-blue-hover: #1E40AF;
  /* Azul Real Hover */

  --accent-steel: #4A5B6E;
  /* Gris Carbón / Acero del Logo */
  --accent-steel-hover: #334155;
  /* Gris Carbón Oscuro Hover */
  --accent-steel-light: #F1F5F9;
  /* Gris Platino Claro */
  --accent-silver: #64748B;
  /* Gris Plata Metálico */

  --bg-light: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-dark-section: #0A2540;

  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-white: #FFFFFF;

  --border-color: #E2E8F0;
  --border-focus: #1D4ED8;

  /* Tipografía */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Sombras y Elevación */
  --shadow-sm: 0 2px 4px rgba(10, 37, 64, 0.05);
  --shadow-md: 0 10px 25px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 20px 40px rgba(10, 37, 64, 0.12);
  --shadow-steel: 0 10px 20px rgba(74, 91, 110, 0.25);
  --shadow-blue: 0 10px 20px rgba(29, 78, 216, 0.25);

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s ease-in-out;

  /* Bordes */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Layout */
  --max-width: 1240px;
}

/* 2. RESET Y REGLAS GLOBALES */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary-navy);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

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



/* 4. CABECERA & NAVEGACIÓN PRINCIPAL */
.header {
  background-color: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.25rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 65px;
  transition: var(--transition-normal);
}

.header.scrolled .nav-container {
  height: 56px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img {
  height: 44px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
  transition: var(--transition-normal);
}

.header.scrolled .brand-logo img {
  height: 38px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--primary-navy);
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent-steel);
  text-transform: uppercase;
}

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

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(10, 37, 64, 0.05);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(226, 232, 240, 0.9);
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem 0.55rem;
  border-radius: 20px;
  transition: all 0.2s ease;
}

.lang-btn.active {
  background: var(--primary-blue);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(29, 78, 216, 0.3);
}

.lang-btn:hover:not(.active) {
  color: var(--primary-navy);
}

.lang-divider {
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.4;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--primary-navy);
  position: relative;
  padding: 0.35rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--primary-blue);
  border-radius: var(--radius-full);
  transition: var(--transition-normal);
}

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

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-navy);
  cursor: pointer;
}

/* 5. SECCIÓN HERO (SLIDER PRINCIPAL) */
.hero {
  position: relative;
  height: 80vh;
  min-height: 560px;
  max-height: 750px;
  background-color: var(--primary-dark);
  overflow: hidden;
}

.hero-slider {
  width: 100%;
  height: 100%;
  position: relative;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 6s ease;
}

.hero-slide.active .hero-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      rgba(10, 25, 45, 0.68) 0%,
      rgba(10, 25, 45, 0.38) 45%,
      rgba(10, 25, 45, 0.08) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 720px;
  color: var(--text-white);
}

.hero-title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.65);
}

.hero-title span {
  color: #60A5FA;
}

.hero-description {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2rem;
  line-height: 1.6;
  font-weight: 400;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.65);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-normal);
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--text-white);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  background-color: var(--primary-blue-hover);
  /* transform: translateY(-2px); */
  box-shadow: 0 6px 20px rgba(29, 78, 216, 0.5);
}

.btn-whatsapp {
  background-color: var(--primary-blue);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  padding: 0.85rem 2rem;
  box-shadow: none;
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.btn-whatsapp:hover {
  background-color: var(--primary-navy);
  color: #FFFFFF;
  transform: none;
  box-shadow: none;
}

.btn-whatsapp i {
  font-size: 1.15rem;
  color: #25D366;
}

.btn-steel {
  background-color: var(--accent-steel);
  color: var(--text-white);
  box-shadow: var(--shadow-steel);
}

.btn-steel:hover {
  background-color: var(--accent-steel-hover);
  /* transform: translateY(-2px); */
  box-shadow: 0 8px 25px rgba(74, 91, 110, 0.4);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--text-white);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--text-white);
}

/* Slider Controls */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(10, 37, 64, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-white);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.hero-arrow:hover {
  background: var(--primary-blue);
  color: var(--text-white);
  border-color: var(--primary-blue);
}

.hero-arrow.prev {
  left: 2rem;
}

.hero-arrow.next {
  right: 2rem;
}

.hero-indicators {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  gap: 0.75rem;
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition-fast);
}

.indicator.active {
  width: 32px;
  border-radius: var(--radius-full);
  background: var(--primary-blue);
}

/* Divisor de Forma Arquitectónico en Curva Suave */
.hero-shape-divider {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  z-index: 10;
  pointer-events: none;
}

.hero-shape-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 45px;
}

/* Barra Flotante de Características en Transición */
.hero-features-ribbon {
  position: relative;
  z-index: 30;
  margin-top: -26px;
  margin-bottom: 0.5rem;
}

.features-ribbon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.feature-ribbon-card {
  background: var(--bg-card);
  border-radius: var(--radius-full);
  padding: 0.65rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  border: 1px solid rgba(226, 232, 240, 0.9);
  /* border-color: rgba(29, 78, 216, 0.35); */
  box-shadow: 0 12px 28px rgba(29, 78, 216, 0.14);
}

.feature-ribbon-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0A2540 0%, #1D4ED8 100%);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(29, 78, 216, 0.25);
}

.feature-ribbon-text {
  display: flex;
  flex-direction: column;
}

.feature-ribbon-text strong {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.2;
}

.feature-ribbon-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .hero-features-ribbon {
    display: none !important;
  }

  .features-ribbon-grid {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
    padding: 0.25rem 0.5rem 0.6rem 0.5rem;
    gap: 0.75rem;
  }

  .features-ribbon-grid::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
  }

  .feature-ribbon-card {
    flex: 0 0 auto;
    padding: 0.55rem 1rem;
  }
}

/* SECCIÓN NOSOTROS ARQUITECTÓNICA (ESTILO REFERENCIA) */
.about-architectural-section {
  padding: 5.5rem 0 4.5rem 0;
  background-color: var(--bg-light);
  position: relative;
  overflow: hidden;
}

.about-architectural-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

@media (max-width: 992px) {
  .about-architectural-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* Composición de 2 imágenes verticales escalonadas */
.about-images-composition {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  position: relative;
}

.about-img-box {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(10, 37, 64, 0.12);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  position: relative;
}

.ba-badge {
  position: absolute;
  top: 1rem;
  left: 1.25rem;
  z-index: 5;
  font-family: 'Caveat', 'Dancing Script', cursive;
  font-size: 2.5rem;
  font-weight: 700;
  color: #FFFFFF;
  text-shadow: 2px 3px 8px rgba(0, 0, 0, 0.9), 0 0 16px rgba(0, 0, 0, 0.7);
  letter-spacing: 0.5px;
  line-height: 1;
  pointer-events: none;
  text-transform: capitalize;
}

.badge-before,
.badge-after {
  background: none !important;
  border: none !important;
  color: #FFFFFF !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  padding: 0 !important;
}

.about-img-box.img-primary {
  height: 420px;
}

.about-img-box.img-secondary {
  height: 420px;
  margin-top: 3.5rem;
}

@media (max-width: 640px) {

  .about-img-box.img-primary,
  .about-img-box.img-secondary {
    height: 320px;
  }

  .about-img-box.img-secondary {
    margin-top: 0;
  }
}

.about-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.about-img-box:hover img {
  transform: scale(1.05);
}

/* Tarjeta Blanca Elevada Overlapping */
.about-content-card {
  background: #FFFFFF;
  border-radius: 28px;
  padding: 3.2rem 3rem;
  box-shadow: 0 20px 45px rgba(10, 37, 64, 0.08);
  border: 1px solid rgba(226, 232, 240, 0.85);
  position: relative;
  margin-left: -2.5rem;
  z-index: 10;
}

@media (max-width: 992px) {
  .about-content-card {
    margin-left: 0;
    padding: 2.5rem 2rem;
  }
}

.about-badge {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary-blue);
  display: block;
  margin-bottom: 0.75rem;
}

.about-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.3vw, 2.1rem);
  font-weight: 800;
  color: var(--primary-navy);
  line-height: 1.28;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.about-description {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.about-stats-row {
  display: flex;
  gap: 3rem;
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  border-top: 1px solid #F1F5F9;
}

.about-stat-item {
  display: flex;
  flex-direction: column;
}

.about-stat-item .stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-blue);
  line-height: 1.1;
}

.about-stat-item .stat-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-steel);
  letter-spacing: 1px;
  margin-top: 0.25rem;
}

/* 6. SECCIÓN ESPECIALIDADES */
.section {
  padding: 4.5rem 0;
  scroll-margin-top: 75px;
}

.section-dark {
  background-color: var(--primary-navy);
  color: var(--text-white);
}

.section-dark h2 {
  color: var(--text-white);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
  display: block;
}

.section-dark .section-tag {
  color: #60A5FA;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  text-transform: uppercase;
  letter-spacing: -0.5px;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--primary-blue);
  border-radius: var(--radius-full);
}

.specialties-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3.4rem 1.5rem;
  padding-top: 2.5rem;
}

@media (max-width: 1100px) {
  .specialties-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3.2rem 1.5rem;
  }
}

@media (max-width: 640px) {
  .specialties-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
}

.specialty-card {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 3.2rem 1.4rem 1.8rem 1.4rem;
  text-align: center;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Barra inferior centrada en la tarjeta */
.specialty-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 45px;
  height: 4px;
  border-radius: 4px;
  background-color: var(--primary-blue);
  transition: width 0.3s ease, background-color 0.3s ease;
}

.specialty-card:hover {
  box-shadow: 0 22px 45px rgba(0, 0, 0, 0.22);
}

.specialty-card:hover::after {
  width: 80px;
  background-color: #2563EB;
}

/* Icono circular flotante sobresaliendo en la parte superior */
.specialty-icon {
  position: absolute;
  top: -35px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #EEF2FF;
  border: 4px solid #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--primary-blue);
  box-shadow: 0 8px 20px rgba(10, 37, 64, 0.12);
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
  margin: 0;
}

.specialty-card:hover .specialty-icon {
  transform: translateX(-50%) scale(1.08);
  background: var(--primary-blue);
  color: #FFFFFF;
  box-shadow: 0 10px 25px rgba(29, 78, 216, 0.35);
}

.specialty-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  margin-top: 0.4rem;
  margin-bottom: 0.75rem;
  color: var(--primary-navy);
  letter-spacing: 0.2px;
  line-height: 1.3;
}

.specialty-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.specialty-link {
  margin-top: auto;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.25s ease, gap 0.25s ease;
}

.specialty-link i {
  font-size: 0.8rem;
  transition: transform 0.25s ease;
}

.specialty-card:hover .specialty-link {
  color: #1E40AF;
  gap: 0.65rem;
}

.specialty-card:hover .specialty-link i {
  transform: translateX(3px);
}

/* 7. SECCIÓN PORTAFOLIO VERTICAL ESCALONADO CON CARRUSEL SLIDER */
.portfolio-staggered-section {
  padding: 3.5rem 0 4.5rem 0;
  background-color: var(--bg-card);
  position: relative;
}

/* Botones de navegación del carrusel superiores */
.portfolio-carousel-nav {
  position: absolute;
  top: 0;
  right: 15px;
  display: flex;
  gap: 0.75rem;
  z-index: 20;
}

@media (max-width: 768px) {
  .portfolio-carousel-nav {
    position: relative;
    top: auto;
    right: auto;
    justify-content: center;
    margin-bottom: 1.5rem;
  }
}

.portfolio-nav-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid rgba(10, 37, 64, 0.15);
  color: var(--primary-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(10, 37, 64, 0.06);
  transition: all 0.3s ease;
}

.portfolio-nav-btn:hover {
  background: var(--primary-navy);
  color: #FFFFFF;
  border-color: var(--primary-navy);
  box-shadow: 0 8px 20px rgba(10, 37, 64, 0.2);
  transform: translateY(-2px);
}

.portfolio-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Contenedor principal del carrusel con desbordamiento oculto o suave scroll */
.portfolio-carousel-container {
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  /* Firefox */
  -ms-overflow-style: none;
  /* IE/Edge */
  padding: 1.25rem 0.5rem 2.5rem 0.5rem;
}

.portfolio-carousel-container::-webkit-scrollbar {
  display: none;
  /* Chrome/Safari */
}

/* Pista flex del carrusel */
.staggered-gallery-slider {
  display: flex;
  gap: 1.35rem;
  align-items: start;
}

.staggered-card {
  flex: 0 0 calc(25% - 1rem);
  min-width: 250px;
  position: relative;
  height: 350px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(10, 37, 64, 0.1);
  cursor: pointer;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

@media (max-width: 1024px) {
  .staggered-card {
    flex: 0 0 calc(50% - 0.8rem);
    min-width: 230px;
    height: 330px;
  }
}

@media (max-width: 580px) {
  .staggered-card {
    flex: 0 0 85%;
    min-width: 250px;
    height: 330px;
  }
}

/* Puntos de paginación inferiores */
.portfolio-carousel-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.portfolio-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #CBD5E1;
  cursor: pointer;
  transition: all 0.3s ease;
}

.portfolio-dot.active {
  width: 24px;
  border-radius: 10px;
  background: var(--primary-blue);
}

/* Escalado vertical alternado sutil (Columna 1 y 3 desplazadas hacia abajo) */
.staggered-card.col-staggered-down {
  margin-top: 1.5rem;
}

.staggered-card.col-staggered-up {
  margin-top: 0;
}

@media (max-width: 1024px) {

  .staggered-card.col-staggered-down,
  .staggered-card.col-staggered-up {
    margin-top: 0;
  }
}

.staggered-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.staggered-card:hover img {
  transform: scale(1.08);
}

/* Capa de degradado sutil únicamente en la base para texto blanco legible */
.staggered-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.35) 40%, transparent 75%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem 1.15rem;
  color: #FFFFFF;
  transition: background 0.4s ease;
}

.staggered-card:hover .staggered-card-overlay {
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.45) 45%, transparent 80%);
}

.staggered-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.3;
  margin-bottom: 0.35rem;
}

.staggered-category {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.staggered-zoom-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.staggered-card:hover .staggered-zoom-btn {
  opacity: 1;
  transform: scale(1);
}

/* 8. SECCIÓN TESTIMONIOS */
.testimonials-section {
  background-color: var(--primary-navy);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.testimonials-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  display: none;
}

.testimonial-card.active {
  display: block;
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.quote-icon {
  font-size: 3rem;
  color: #60A5FA;
  margin-bottom: 1rem;
  line-height: 1;
}

.testimonial-text {
  font-size: 1.15rem;
  line-height: 1.8;
  font-style: italic;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.author-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--primary-blue);
  object-fit: cover;
}

.author-info {
  text-align: center;
}

.author-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
}

.author-role {
  font-size: 0.85rem;
  color: #60A5FA;
}

.rating {
  color: #60A5FA;
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.t-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition-fast);
}

.t-dot.active {
  background: var(--primary-blue);
  width: 28px;
  border-radius: var(--radius-full);
}

/* 9. SECCIÓN FORMULARIO DE PRESUPUESTO & MAPA INTERACTIVO */
.quote-map-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.quote-box {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.quote-box h3 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.quote-box p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
  color: var(--primary-navy);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-light);
  color: var(--text-main);
  transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

/* Estimador rápido */
.estimator-toggle {
  background: var(--accent-steel-light);
  border: 1px dashed var(--accent-steel);
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

.estimator-toggle-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  color: var(--primary-navy);
  font-size: 0.9rem;
}

.estimator-body {
  margin-top: 1rem;
  display: none;
}

.estimator-body.active {
  display: block;
}

.estimate-result {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: var(--primary-navy);
  color: #60A5FA;
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 700;
}

.map-box {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.map-tabs-single {
  background: var(--primary-navy);
  color: var(--text-white);
  padding: 0.9rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  letter-spacing: 0.3px;
  border-bottom: 3px solid var(--primary-blue);
}

.map-tabs-single i {
  color: #60A5FA;
  font-size: 1rem;
}

.map-tabs {
  display: flex;
  background: var(--primary-navy);
}

.map-tab {
  flex: 1;
  padding: 1rem;
  text-align: center;
  color: var(--text-light);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition-fast);
  border-bottom: 3px solid transparent;
}

.map-tab.active {
  color: var(--text-white);
  border-bottom-color: var(--primary-blue);
  background: rgba(255, 255, 255, 0.05);
}

.map-display {
  position: relative;
  height: 390px;
  background-color: #e5e3df;
  overflow: hidden;
}

.google-map-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.map-overlay-card {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background: var(--bg-card);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  border-left: 4px solid var(--primary-blue);
  pointer-events: none;
}

.map-location-title {
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--primary-navy);
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.map-location-address {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* 10. SECCIÓN ESTADÍSTICAS (STATS GLOBAL) */
.stats-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
  color: var(--text-white);
  padding: 4.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-card {
  padding: 1.5rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: #60A5FA;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-white);
}

/* 11. PIE DE PÁGINA (FOOTER) */
.footer {
  background-color: var(--primary-dark);
  color: var(--text-light);
  padding-top: 4.5rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand img {
  height: 65px;
  margin-bottom: 1.25rem;
}

.footer-brand p {
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 3px;
  background-color: var(--primary-blue);
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a:hover {
  color: #60A5FA;
  padding-left: 0.3rem;
}

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-contact-item i {
  color: var(--primary-blue);
  margin-top: 0.2rem;
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.footer-socials a:hover {
  background: var(--primary-blue);
  color: var(--text-white);
}

/* 12. MODAL LIGHTBOX */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  background: rgba(6, 23, 40, 0.88);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1.5rem;
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: var(--text-white);
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--primary-blue);
  color: var(--text-white);
}

.modal-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.modal-body {
  padding: 2rem;
}

.modal-body h3 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--primary-navy);
}

.modal-meta {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.modal-meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.modal-meta i {
  color: var(--primary-blue);
}

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--primary-navy);
  color: var(--text-white);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--primary-blue);
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideInRight 0.3s forwards;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* 13. MEDIA QUERIES & RESPONSIVO */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .quote-map-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {

  .nav-menu {
    position: fixed;
    top: 85px;
    left: 0;
    width: 100%;
    background-color: var(--bg-card);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    transition: transform 0.4s ease;
  }

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

  .mobile-toggle {
    display: block;
  }

  .hero {
    height: 70vh;
  }

  .hero-arrow {
    display: none;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }
}