/* ==========================================================================
   UNION ENGENHARIA E CONSULTORIA - DESIGN SYSTEM & STYLESHEET
   Tema Claro, Profissional, Responsivo e Moderno
   ========================================================================== */

/* 1. Custom Properties (CSS Variables) */
:root {
  /* Color Palette - Light Theme */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-dark-accent: #0F172A;
  
  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-inverse: #FFFFFF;
  
  --primary: #0F3859;
  --primary-hover: #0A2740;
  --primary-light: #EBF3FA;
  
  --secondary: #0284C7;
  --secondary-hover: #0369A1;
  
  --accent: #D97706;        /* Technical Copper / Orange Accent */
  --accent-hover: #B45309;
  --accent-light: #FFFBEB;
  
  --border-color: #E2E8F0;
  --border-focus: #0284C7;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.06);
  
  /* Typography & Radius */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --container-max: 1240px;
}

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

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

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

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

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

ul {
  list-style: none;
}

/* 3. Utility Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 3.5rem 0;
  }
}

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

.section-header {
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  background-color: var(--primary-light);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  border: 1px solid rgba(15, 56, 89, 0.12);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.85rem;
  }
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 4. Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

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

.btn-accent:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--text-inverse);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.5);
  color: #FFFFFF;
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background-color: #FFFFFF;
  color: var(--primary);
  border-color: #FFFFFF;
}

/* 5. Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
  padding: 0.1rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 90px;
  transition: height var(--transition-normal);
}

.header.scrolled .nav-container {
  height: 72px;
}

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

.logo-img {
  height: 68px;
  max-height: 100%;
  width: auto;
  object-fit: contain;
  transition: height var(--transition-normal);
}

.header.scrolled .logo-img {
  height: 52px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.mobile-cta {
  display: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-fast);
}

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

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

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
  padding: 0.5rem;
}

@media (max-width: 992px) {
  .nav-container {
    height: 80px;
  }
  
  .logo-img {
    height: 54px;
  }

  .header.scrolled .nav-container {
    height: 70px;
  }

  .header.scrolled .logo-img {
    height: 48px;
  }

  .mobile-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-xl);
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }
  
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-cta .btn {
    display: none;
  }

  .mobile-cta {
    display: block;
    width: 100%;
    margin-top: 1rem;
  }
}

/* 6. Hero Section */
.hero {
  position: relative;
  padding-top: 140px;
  padding-bottom: 90px;
  background: linear-gradient(135deg, rgba(15, 56, 89, 0.92) 0%, rgba(15, 23, 42, 0.88) 100%), 
              url('../images/um-trabalhador-numa-plataforma-de-uma-grande-usina.webp') center/cover no-repeat;
  color: #FFFFFF;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
}

.hero-description {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: #38BDF8;
}

.stat-label {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.75);
}

/* 7. Quem Somos & Sobre */
.about {
  background-color: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

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

.about-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.about-image-wrapper:hover img {
  transform: scale(1.03);
}

.about-experience-badge {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background-color: rgba(15, 56, 89, 0.95);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--accent);
}

.about-experience-badge .years {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  display: block;
  line-height: 1;
}

.about-experience-badge .text {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
}

.about-text-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background-color: var(--bg-secondary);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.highlight-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.highlight-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.highlight-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* 8. Engenharias / Soluções Multidisciplinares */
.services {
  background-color: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(2, 132, 199, 0.3);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.service-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-feature-item {
  font-size: 0.88rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-feature-item i {
  color: var(--secondary);
  font-size: 0.8rem;
}

/* 9. Seção Especializada: Projetos Reais & Capacidade Técnica */
.projects-showcase {
  background-color: var(--bg-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

@media (max-width: 992px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

.project-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

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

.project-img-wrapper {
  position: relative;
  height: 320px;
  overflow: hidden;
  background-color: #0F172A;
  cursor: pointer;
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.project-card:hover .project-img-wrapper img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-img-wrapper:hover .project-overlay {
  opacity: 1;
}

.project-zoom-btn {
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--text-main);
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.project-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-tag {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--secondary);
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.project-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.project-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
}

.spec-pill {
  background-color: var(--bg-tertiary);
  color: var(--text-main);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
}

/* 10. Planejamento, Gestão de Custos & Curva S */
.management-section {
  background: linear-gradient(180deg, #F8FAFC 0%, #EEF2F6 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.management-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

@media (max-width: 992px) {
  .management-grid {
    grid-template-columns: 1fr;
  }
}

.gantt-preview-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  position: relative;
}

.gantt-header-bar {
  background-color: var(--primary);
  color: #FFFFFF;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 600;
}

.gantt-header-dots {
  display: flex;
  gap: 6px;
}

.gantt-header-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
}

.gantt-img-box {
  position: relative;
  cursor: pointer;
}

.gantt-img-box img {
  width: 100%;
  height: auto;
  display: block;
}

.gantt-img-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(15, 56, 89, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.gantt-img-box:hover .gantt-img-overlay {
  opacity: 1;
}

.management-info p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.management-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.m-card {
  background-color: #FFFFFF;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-sm);
}

.m-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.m-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* 11. Segmentos de Atuação */
.sectors {
  background-color: var(--bg-primary);
}

.sectors-wrapper {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 3rem;
}

@media (max-width: 768px) {
  .sectors-wrapper {
    padding: 1.5rem;
  }
}

.sectors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 992px) {
  .sectors-grid {
    grid-template-columns: 1fr;
  }
}

.sectors-image img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sectors-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 576px) {
  .sectors-list {
    grid-template-columns: 1fr;
  }
}

.sector-box {
  background-color: #FFFFFF;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.sector-box h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sector-box h4 i {
  color: var(--accent);
}

.sector-box p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 12. Seção de Contato Ofuscado */
.contact-section {
  background: linear-gradient(135deg, #0F3859 0%, #0F172A 100%);
  color: #FFFFFF;
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

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

.contact-info-side h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.contact-info-side p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-method-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.contact-method-card:hover {
  background-color: rgba(255, 255, 255, 0.14);
}

.method-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #38BDF8;
  flex-shrink: 0;
}

.method-details h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.2rem;
}

.method-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
}

/* Fallback button if JS is disabled */
.contact-protected-notice {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Form Side */
.contact-form-card {
  background-color: #FFFFFF;
  color: var(--text-main);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

@media (max-width: 576px) {
  .contact-form-card {
    padding: 1.5rem;
  }
}

.contact-form-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.contact-form-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

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

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

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

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

@media (max-width: 576px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* 13. Footer */
.footer {
  background-color: #0A0F1D;
  color: rgba(255, 255, 255, 0.7);
  padding-top: 4rem;
  padding-bottom: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  position: relative;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: #38BDF8;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* 14. Lightbox Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  position: relative;
  max-width: 1100px;
  width: 100%;
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  padding: 1rem 1.5rem;
  background-color: var(--primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-body {
  padding: 1.5rem;
  max-height: 80vh;
  overflow-y: auto;
  text-align: center;
}

.modal-body img {
  max-height: 70vh;
  margin: 0 auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.modal-caption {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}