/*
╔══════════════════════════════════════════════════════════════╗
║                                                              ║
║         METALÚRGICA SPA - Sistema de Diseño                  ║
║         "FORJA MODERNA" - Industrial Orgánico                ║
║                                                              ║
║         Concepto: Fusión de fuerza industrial y calidez      ║
║         Paleta: Naranjas oxidados + Azules acero             ║
║         Tipografía: Barlow Condensed + Manrope               ║
║                                                              ║
╚══════════════════════════════════════════════════════════════╝
*/

/* ============================================================================
   VARIABLES CSS - Sistema de Diseño
   ============================================================================ */

:root {
  /* Paleta de Colores - Forja Moderna */
  --color-primary: #D17A4B;          /* Naranja cobre */
  --color-primary-dark: #B85C2E;     /* Cobre oscuro */
  --color-primary-light: #E69665;    /* Cobre claro */

  --color-secondary: #2C3E50;        /* Azul acero */
  --color-secondary-dark: #1A252F;   /* Acero oscuro */
  --color-secondary-light: #34495E;  /* Acero medio */

  --color-accent: #E67E22;           /* Naranja forja */
  --color-accent-hot: #F39C12;       /* Naranja caliente */

  --color-dark: #1A1A1A;             /* Negro carbón */
  --color-dark-2: #2D2D2D;
  --color-dark-3: #424242;

  --color-light: #FFFFFF;
  --color-light-2: #F8F8F8;
  --color-light-3: #E8E8E8;

  --color-gray: #7A7A7A;
  --color-gray-light: #B5B5B5;

  /* Gradientes */
  --gradient-copper: linear-gradient(135deg, #D17A4B 0%, #E67E22 100%);
  --gradient-steel: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
  --gradient-forge: linear-gradient(135deg, #E67E22 0%, #F39C12 100%);
  --gradient-dark: linear-gradient(180deg, #1A1A1A 0%, #2D2D2D 100%);

  /* Tipografía */
  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Roboto Mono', 'Courier New', monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */
  --text-7xl: 4.5rem;      /* 72px */

  /* Espaciado */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  --spacing-4xl: 6rem;     /* 96px */
  --spacing-5xl: 8rem;     /* 128px */

  /* Sombras - Profundidad metálica */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 8px rgba(0, 0, 0, 0.15);

  /* Bordes */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Transiciones */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 400ms ease-in-out;

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

/* ============================================================================
   RESET & BASE
   ============================================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-light);
  overflow-x: hidden;
}

/* ============================================================================
   TIPOGRAFÍA
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

h1 { font-size: var(--text-6xl); letter-spacing: -0.02em; }
h2 { font-size: var(--text-4xl); letter-spacing: -0.01em; }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-dark-3);
}

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

a:hover {
  color: var(--color-primary-dark);
}

strong { font-weight: 600; }

/* ============================================================================
   LAYOUT
   ============================================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
}

/* ============================================================================
   HEADER - Navegación
   ============================================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-light-3);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  gap: var(--spacing-2xl);
}

/* Logo */
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--color-dark);
}

.logo-accent {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-top: -4px;
}

/* Navegación Desktop */
.nav-desktop {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-link {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-dark-2);
  padding: var(--spacing-sm) var(--spacing-md);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-copper);
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  transition: all var(--transition-fast);
}

.nav-mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-light);
  border-bottom: 1px solid var(--color-light-3);
  box-shadow: var(--shadow-lg);
}

.mobile-nav-list {
  list-style: none;
  padding: var(--spacing-md);
}

.mobile-nav-link {
  display: block;
  padding: var(--spacing-md);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-dark-2);
  border-bottom: 1px solid var(--color-light-3);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-primary);
  background: var(--color-light-2);
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
  background: var(--gradient-dark);
  color: var(--color-light-2);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  margin-bottom: var(--spacing-md);
}

.footer-logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--color-light);
}

.footer-logo-accent {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-primary);
}

.footer-description {
  color: var(--color-gray-light);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.footer-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-light);
  margin-bottom: var(--spacing-md);
}

.footer-links,
.footer-contact,
.footer-schedule {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-gray-light);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-gray-light);
  font-size: var(--text-sm);
}

.footer-contact-item a {
  color: var(--color-gray-light);
}

.footer-contact-item a:hover {
  color: var(--color-primary-light);
}

.footer-icon {
  color: var(--color-primary);
}

.footer-schedule li {
  color: var(--color-gray-light);
  font-size: var(--text-sm);
}

.footer-schedule strong {
  color: var(--color-light);
}

.footer-divider {
  border: none;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: var(--spacing-xl) 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--color-gray-light);
}

.footer-legal {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.footer-legal a {
  color: var(--color-gray-light);
}

.footer-separator {
  color: var(--color-gray);
}

.footer-decoration {
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(209, 122, 75, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero-section {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 100%);
}

.hero-wrapper {
  position: relative;
  z-index: 2;
  padding: var(--spacing-4xl) var(--spacing-lg);
}

.hero-main {
  max-width: 900px;
}

.hero-title {
  font-size: clamp(var(--text-5xl), 8vw, var(--text-7xl));
  margin-bottom: var(--spacing-xl);
  line-height: 1;
}

.hero-title-line {
  display: block;
  color: var(--color-light);
}

.hero-title-accent {
  background: var(--gradient-copper);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-light);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-3xl);
}

.cta-secondary {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-light);
  padding: var(--spacing-md) var(--spacing-xl);
  border: 2px solid var(--color-light-3);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-primary);
}

/* Quick Stats */
.hero-stats {
  display: flex;
  gap: var(--spacing-3xl);
}

.quick-stat {
  display: flex;
  flex-direction: column;
}

.quick-stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.quick-stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--spacing-xs);
}

/* Grid Decoration */
.hero-grid-decoration {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  pointer-events: none;
}

.grid-line {
  position: absolute;
  background: var(--color-primary);
}

.grid-h {
  width: 100%;
  height: 1px;
  left: 0;
}

.grid-h-1 { top: 25%; }
.grid-h-2 { top: 50%; }
.grid-h-3 { top: 75%; }

.grid-v {
  height: 100%;
  width: 1px;
  top: 0;
}

.grid-v-1 { left: 25%; }
.grid-v-2 { left: 50%; }
.grid-v-3 { left: 75%; }

/* Sparks Animation */
.hero-sparks {
  position: absolute;
  top: 20%;
  right: 10%;
  width: 200px;
  height: 200px;
  pointer-events: none;
}

.spark {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--color-accent-hot);
  border-radius: 50%;
  opacity: 0;
  animation: spark-fly 3s infinite;
}

.spark:nth-child(1) { animation-delay: 0s; }
.spark:nth-child(2) { animation-delay: 0.6s; }
.spark:nth-child(3) { animation-delay: 1.2s; }
.spark:nth-child(4) { animation-delay: 1.8s; }
.spark:nth-child(5) { animation-delay: 2.4s; }

@keyframes spark-fly {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(calc(var(--x, 100) * 1px), calc(var(--y, -100) * 1px)) scale(0);
    opacity: 0;
  }
}

/* ============================================================================
   CTA BUTTON - Call to Action principal
   ============================================================================ */

.cta-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-2xl);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-light);
  background: var(--gradient-copper);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.cta-button:hover .cta-glow {
  transform: translateX(100%);
}

/* ============================================================================
   BUTTONS - Sistema de botones
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-display);
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-copper);
  color: var(--color-light);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-light);
}

.btn-secondary:hover {
  background: var(--color-secondary-light);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-light);
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-sm);
}

.btn-md {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--text-base);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--text-lg);
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card {
  position: relative;
  background: var(--color-light);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

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

.card-media {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image {
  transform: scale(1.05);
}

.card-content {
  padding: var(--spacing-lg);
}

.card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
}

.card-description {
  font-size: var(--text-base);
  color: var(--color-gray);
  line-height: 1.6;
}

/* Service Cards */
.service-card {
  position: relative;
  background: var(--color-light);
  border: 1px solid var(--color-light-3);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-icon-wrapper {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-copper);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.service-icon {
  font-size: var(--text-4xl);
}

.service-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-md);
}

.service-description {
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  color: var(--color-dark-3);
}

.service-features li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: bold;
  flex-shrink: 0;
}

.service-grid-pattern {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  background:
    linear-gradient(90deg, var(--color-light-3) 1px, transparent 1px),
    linear-gradient(0deg, var(--color-light-3) 1px, transparent 1px);
  background-size: 10px 10px;
  opacity: 0.3;
  transform: rotate(-15deg);
}

/* Project Cards */
.project-card,
.project-card-home {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.project-card:hover,
.project-card-home:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.project-image-wrapper {
  width: 100%;
  height: 100%;
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image,
.project-card-home:hover .project-image {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-xl);
  opacity: 1;
  transition: opacity var(--transition-base);
}

.project-info {
  color: var(--color-light);
}

.project-category {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary-light);
  font-weight: 600;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.project-title {
  font-size: var(--text-2xl);
  color: var(--color-light);
  margin-bottom: var(--spacing-xs);
}

.project-year {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-gray-light);
}

/* ============================================================================
   SECTIONS
   ============================================================================ */

.section {
  padding: var(--spacing-5xl) 0;
  position: relative;
}

.section-light {
  background: var(--color-light-2);
}

.section-dark {
  background: var(--gradient-dark);
  color: var(--color-light);
}

.section-dark .section-title,
.section-dark h2,
.section-dark h3 {
  color: var(--color-light);
}

.section-dark .section-description,
.section-dark p {
  color: var(--color-gray-light);
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-4xl);
}

.section-title {
  font-size: var(--text-5xl);
  margin-bottom: var(--spacing-lg);
}

.section-description {
  font-size: var(--text-xl);
  color: var(--color-gray);
  line-height: 1.6;
}

.section-title.centered,
.section-description.centered {
  text-align: center;
}

.section-footer {
  text-align: center;
  margin-top: var(--spacing-3xl);
}

/* ============================================================================
   GRIDS
   ============================================================================ */

.services-preview-grid,
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

.benefits-grid,
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.projects-grid-home {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  padding: var(--spacing-4xl) 0;
  background: var(--gradient-dark);
}

/* ============================================================================
   BENEFIT & VALUE CARDS
   ============================================================================ */

.benefit-card,
.value-card {
  background: var(--color-light);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.benefit-card:hover,
.value-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.benefit-icon,
.value-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-copper);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.value-emoji {
  font-size: var(--text-4xl);
}

.benefit-title,
.value-title {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-md);
}

.benefit-description,
.value-description {
  color: var(--color-gray);
  line-height: 1.6;
}

/* ============================================================================
   STATS
   ============================================================================ */

.stat-card {
  text-align: center;
  color: var(--color-light);
}

.stat-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.stat-suffix,
.stat-prefix {
  font-size: var(--text-2xl);
  color: var(--color-primary-light);
}

.stat-label {
  font-size: var(--text-base);
  color: var(--color-gray-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================================================
   CTA SECTION
   ============================================================================ */

.cta-section {
  background: var(--gradient-dark);
  padding: var(--spacing-5xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section-title {
  font-size: var(--text-5xl);
  color: var(--color-light);
  margin-bottom: var(--spacing-lg);
}

.cta-section-description {
  font-size: var(--text-xl);
  color: var(--color-gray-light);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section-actions {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.cta-phone {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-light);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: color var(--transition-fast);
}

.cta-phone:hover {
  color: var(--color-primary-light);
}

.cta-glow-effect {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(209, 122, 75, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

/* ============================================================================
   FORMS
   ============================================================================ */

.form-container {
  background: var(--color-light);
  padding: var(--spacing-3xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-heading {
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

.form-description {
  color: var(--color-gray);
  margin-bottom: var(--spacing-2xl);
}

.form-fields {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-dark-2);
}

.required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  padding: var(--spacing-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  border: 2px solid var(--color-light-3);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  background: var(--color-light);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(209, 122, 75, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-actions {
  margin-top: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.form-note {
  font-size: var(--text-sm);
  color: var(--color-gray);
  font-style: italic;
}

/* Fieldsets */
.form-fieldset {
  border: 1px solid var(--color-light-3);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.form-fieldset legend {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-dark);
  padding: 0 var(--spacing-sm);
}

.fieldset-description {
  color: var(--color-gray);
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-sm);
}

/* File Input */
.file-input-wrapper {
  cursor: pointer;
}

.file-input {
  display: none;
}

.file-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-2xl);
  border: 2px dashed var(--color-light-3);
  border-radius: var(--border-radius-md);
  background: var(--color-light-2);
  transition: all var(--transition-base);
}

.file-label:hover {
  border-color: var(--color-primary);
  background: var(--color-light);
}

.file-label-text {
  font-weight: 600;
  color: var(--color-primary);
}

.file-label-hint {
  font-size: var(--text-sm);
  color: var(--color-gray);
}

/* Form Messages */
.form-success,
.form-error {
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-xl);
  text-align: center;
}

.form-success {
  background: #D4EDDA;
  border: 1px solid #C3E6CB;
}

.form-error {
  background: #F8D7DA;
  border: 1px solid #F5C6CB;
}

.success-icon,
.error-icon {
  font-size: var(--text-5xl);
  margin-bottom: var(--spacing-md);
}

.success-icon {
  color: #28A745;
}

.error-icon {
  color: #DC3545;
}

.success-title {
  font-size: var(--text-2xl);
  color: #155724;
  margin-bottom: var(--spacing-sm);
}

.success-message {
  color: #155724;
  font-size: var(--text-lg);
}

.error-message {
  color: #721C24;
  font-size: var(--text-lg);
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  border-bottom: 2px solid var(--color-light-3);
}

.tab-button {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-xl);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  color: var(--color-gray);
  transition: all var(--transition-fast);
  margin-bottom: -2px;
}

.tab-button:hover {
  color: var(--color-dark);
}

.tab-button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ============================================================================
   GALLERY & FILTERS
   ============================================================================ */

.gallery-filters {
  margin-bottom: var(--spacing-3xl);
  text-align: center;
}

.filter-label {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark-2);
}

.filter-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-xl);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  background: var(--color-light);
  border: 2px solid var(--color-light-3);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-dark-2);
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--gradient-copper);
  border-color: var(--color-primary);
  color: var(--color-light);
}

/* ============================================================================
   PAGE HEADER (Breadcrumbs + Title)
   ============================================================================ */

.page-header {
  background: var(--gradient-dark);
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  text-align: center;
}

.breadcrumbs {
  margin-bottom: var(--spacing-lg);
}

.breadcrumb-list {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb-list a {
  color: var(--color-gray-light);
  transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
  color: var(--color-primary-light);
}

.breadcrumb-separator {
  color: var(--color-gray);
  margin: 0 var(--spacing-sm);
}

.page-header-title {
  font-size: var(--text-6xl);
  color: var(--color-light);
}

/* ============================================================================
   TIMELINE
   ============================================================================ */

.project-timeline {
  position: relative;
  padding-left: var(--spacing-4xl);
}

.project-timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-copper);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-3xl);
}

.timeline-marker {
  position: absolute;
  left: -var(--spacing-4xl);
  top: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-light);
  border: 3px solid var(--color-primary);
  border-radius: 50%;
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
}

.timeline-content {
  background: var(--color-light);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border-left: 3px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.timeline-title {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
}

.timeline-description {
  color: var(--color-gray);
  line-height: 1.6;
}

/* ============================================================================
   ABOUT PAGE SPECIFIC
   ============================================================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.about-text {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-dark-3);
  margin-bottom: var(--spacing-lg);
}

.about-visual {
  position: relative;
}

.about-image-wrapper {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image {
  width: 100%;
  height: auto;
  display: block;
}

.about-stats-overlay {
  position: absolute;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  background: rgba(0, 0, 0, 0.85);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-md);
  backdrop-filter: blur(10px);
}

.timeline-stat {
  text-align: center;
}

.timeline-stat-year {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--color-primary);
  display: block;
  line-height: 1;
}

.timeline-stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--spacing-xs);
  display: block;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.cert-card {
  background: var(--color-light);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  border: 1px solid transparent;
  transition: all var(--transition-base);
}

.cert-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.cert-icon {
  font-size: var(--text-5xl);
  margin-bottom: var(--spacing-md);
}

.cert-title {
  font-size: var(--text-xl);
  color: var(--color-light);
  margin-bottom: var(--spacing-sm);
}

.cert-description {
  font-size: var(--text-sm);
  color: var(--color-gray-light);
  line-height: 1.6;
}

.team-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-2xl) 0;
}

.team-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  font-size: var(--text-lg);
  color: var(--color-dark-2);
}

.team-list li::before {
  content: '→';
  color: var(--color-primary);
  font-weight: bold;
  flex-shrink: 0;
}

/* ============================================================================
   SERVICES PAGE SPECIFIC
   ============================================================================ */

.intro-text {
  font-size: var(--text-xl);
  line-height: 1.8;
  color: var(--color-gray);
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step-number-wrapper {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-copper);
  border-radius: 50%;
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.step-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-light);
}

.step-title {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
}

.step-description {
  color: var(--color-gray);
  line-height: 1.6;
}

/* ============================================================================
   PROJECTS PAGE SPECIFIC
   ============================================================================ */

.project-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.project-type {
  padding: var(--spacing-xl);
  background: var(--color-light);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-md);
}

.project-type-title {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.project-type-description {
  color: var(--color-gray);
  line-height: 1.6;
}

/* ============================================================================
   CONTACT PAGE SPECIFIC
   ============================================================================ */

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.contact-info-card {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--color-light);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-light-3);
  transition: all var(--transition-base);
}

.contact-info-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.contact-info-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-copper);
  border-radius: var(--border-radius-md);
  flex-shrink: 0;
  color: var(--color-light);
}

.contact-info-content {
  flex: 1;
}

.contact-info-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.contact-info-value {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.contact-info-note {
  font-size: var(--text-sm);
  color: var(--color-gray);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: var(--spacing-2xl) auto 0;
}

.faq-item {
  background: var(--color-light);
  border: 1px solid var(--color-light-3);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--spacing-lg);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: all var(--transition-fast);
  color: var(--color-dark);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: '+';
  float: right;
  font-size: var(--text-2xl);
  color: var(--color-primary);
  font-weight: 400;
}

.faq-item[open] summary::before {
  content: '−';
}

.faq-item summary:hover {
  background: var(--color-light-2);
}

.faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-gray);
  line-height: 1.8;
}

/* Emergency Section */
.emergency-section {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hot) 100%);
  padding: var(--spacing-3xl);
  border-radius: var(--border-radius-lg);
  margin-top: var(--spacing-4xl);
}

.emergency-content {
  text-align: center;
}

.emergency-title {
  font-size: var(--text-3xl);
  color: var(--color-light);
  margin-bottom: var(--spacing-md);
}

.emergency-description {
  font-size: var(--text-lg);
  color: var(--color-light-2);
  margin-bottom: var(--spacing-xl);
}

.emergency-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) var(--spacing-2xl);
  background: var(--color-light);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.emergency-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ============================================================================
   UTILITIES
   ============================================================================ */

.link-with-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.link-with-arrow:hover {
  gap: var(--spacing-md);
}

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

.link-with-arrow:hover .arrow {
  transform: translateX(4px);
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 1024px) {
  :root {
    --text-6xl: 3rem;
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
  }

  .services-preview-grid,
  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .projects-grid-home {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-4xl: 4rem;
    --spacing-5xl: 5rem;
  }

  /* Mobile Navigation */
  .nav-desktop,
  .header-actions {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

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

  .form-container {
    padding: var(--spacing-xl);
  }

  /* Grids */
  .benefits-grid,
  .values-grid,
  .certifications-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }

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

  /* Hero */
  .hero-stats {
    gap: var(--spacing-xl);
  }

  .quick-stat-number {
    font-size: var(--text-3xl);
  }

  /* Timeline */
  .project-timeline {
    padding-left: var(--spacing-xl);
  }

  .timeline-marker {
    left: -var(--spacing-xl);
    width: 32px;
    height: 32px;
  }

  .timeline-year {
    font-size: 0.7rem;
  }

  /* Projects */
  .projects-grid {
    grid-template-columns: 1fr;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .cta-button,
  .cta-secondary {
    width: 100%;
    justify-content: center;
  }

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

  .cta-section-actions {
    flex-direction: column;
  }

  .tabs {
    flex-direction: column;
  }

  .tab-button {
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .tab-button.active {
    border-left-color: var(--color-primary);
  }
}

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll animations (optional - requires JS) */
[data-animate="fade"] {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

[data-animate="fade"].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
  .header,
  .footer,
  .cta-section,
  .nav-mobile,
  .mobile-menu-toggle {
    display: none;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

  a {
    text-decoration: underline;
    color: #000;
  }
}