:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-primary: #d4af37;
  --color-primary-dark: #b8941f;
  --color-secondary: #1f2937;
  --color-accent: #f3f4f6;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --container-max: 1200px;
  --container-padding: 1.5rem;
  
  --font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

.hidden {
  display: none !important;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  background: var(--color-bg);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.logo {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  cursor: pointer;
  font-size: 1rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-list a {
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
  position: relative;
}

.nav-list a:hover {
  color: var(--color-text);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.2s ease;
}

.nav-list a:hover::after {
  width: 100%;
}

/* Hero Section */
.hero {
  padding: 6rem 0 4rem;
  background: linear-gradient(135deg, #fafafa 0%, #f3f4f6 100%);
}

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

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-visual {
  display: grid;
  gap: 1.5rem;
}

.hero-card {
  background: var(--color-bg);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.hero-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.hero-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: #374151;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-tertiary {
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-tertiary:hover {
  background: var(--color-accent);
  border-color: var(--color-text-muted);
}

.btn-whatsapp {
  background: #25d366;
  color: white;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
}

.btn-whatsapp:hover {
  background: #20ba5a;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Services Section */
.services-section {
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.service-card {
  background: var(--color-bg);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.service-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.service-card p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.contaminants-section {
  background: var(--color-accent);
  padding: 3rem 2rem;
  border-radius: var(--radius-xl);
  text-align: center;
}

.contaminants-section h3 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: var(--color-text);
}

.contaminants-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.contaminant-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  font-weight: 500;
}

.contaminant-icon {
  font-size: 1.5rem;
}

/* About Section */
.about-section {
  background: var(--color-accent);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.about-intro {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.about-text p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.location-card {
  background: var(--color-bg);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.location-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.location-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.location-item {
  padding: 0.5rem 0.75rem;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
}

.location-note {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Companies Section */
.companies-section {
  background: var(--color-accent);
  padding: 4rem 0;
}

.companies-carousel-wrapper {
  position: relative;
  overflow: hidden;
  margin: 2rem 0;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.companies-carousel {
  display: flex;
  gap: 3rem;
  width: fit-content;
  min-width: 100%;
  animation: scroll-companies 40s linear infinite;
  will-change: transform;
}

.companies-carousel:hover {
  animation-play-state: paused;
}

.companies-carousel:empty::before {
  content: 'Loading companies...';
  display: block;
  text-align: center;
  padding: 2rem;
  color: var(--color-text-muted);
}

.companies-carousel-item {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.companies-carousel-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.companies-logo {
  width: 120px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 1rem;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.companies-carousel-item:hover .companies-logo {
  filter: grayscale(0%);
  opacity: 1;
}

.companies-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 0.5rem;
}

@keyframes scroll-companies {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-50% - 1.5rem));
  }
}

/* Ensure companies section is visible */
.companies-section {
  display: block !important;
  visibility: visible !important;
}

.companies-carousel-wrapper {
  min-height: 200px;
}

/* Gallery Section */
.gallery-section {
  background: var(--color-bg);
}

/* Gallery Tabs */
.gallery-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
}

.gallery-tab {
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: -2px;
}

.gallery-tab:hover {
  color: var(--color-text);
}

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

.gallery-panel {
  display: none;
}

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

/* Gallery Carousel */
.gallery-carousel-wrapper {
  position: relative;
  margin: 0 -1rem;
  padding: 0 3rem;
}

.gallery-carousel {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
  padding: 1rem 0;
  -webkit-overflow-scrolling: touch;
}

.gallery-carousel::-webkit-scrollbar {
  height: 8px;
}

.gallery-carousel::-webkit-scrollbar-track {
  background: var(--color-accent);
  border-radius: 4px;
}

.gallery-carousel::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.gallery-carousel::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

.gallery-carousel .item {
  position: relative;
  flex: 0 0 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  background: var(--color-bg);
}

.gallery-carousel .item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.gallery-carousel .item img,
.gallery-carousel .item video {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

.gallery-carousel .item[data-type="video"]::before {
  content: '▶';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(0, 0, 0, 0.75);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  padding-left: 4px;
  pointer-events: none;
  z-index: 2;
  transition: transform 0.2s ease, background 0.2s ease;
}

.gallery-carousel .item[data-type="video"]:hover::before {
  transform: translate(-50%, -50%) scale(1.1);
  background: rgba(0, 0, 0, 0.9);
}

.gallery-carousel .caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  font-weight: 500;
  font-size: 0.9rem;
}

/* Carousel Navigation */
.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  color: var(--color-text);
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s ease;
  border: none;
}

.carousel-nav:hover {
  background: var(--color-bg);
  box-shadow: var(--shadow-xl);
  transform: translateY(-50%) scale(1.1);
}

.carousel-nav:active {
  transform: translateY(-50%) scale(0.95);
}

.carousel-prev {
  left: 0.5rem;
}

.carousel-next {
  right: 0.5rem;
}

.carousel-nav:disabled,
.carousel-nav[style*="opacity: 0.5"] {
  opacity: 0.5;
  cursor: not-allowed;
}

.gallery-empty {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-state {
  max-width: 500px;
  margin: 0 auto;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.empty-state h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.empty-state p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.empty-state code {
  background: var(--color-accent);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.9rem;
}

/* Contact Section */
.contact-section {
  background: var(--color-accent);
}

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

.contact-info h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.contact-intro {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.contact-methods {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

.contact-method {
  background: var(--color-bg);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.contact-person h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.contact-role {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.contact-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.contact-phone {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.contact-cta {
  margin-top: 2rem;
}

.map-container {
  background: var(--color-bg);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.map-container h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.map-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.map-wrapper iframe {
  width: 100%;
  height: 300px;
  border: 0;
  display: block;
}

.map-address {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  background: var(--color-secondary);
  color: var(--color-bg);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-footer nav {
  display: flex;
  gap: 2rem;
}

.site-footer nav a {
  color: var(--color-bg);
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.site-footer nav a:hover {
  opacity: 1;
}

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: #25d366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  z-index: 100;
  font-size: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 1000;
}

.lightbox.hidden {
  display: none;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  background: black;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.lightbox-content img,
.lightbox-content video {
  width: 100%;
  height: auto;
  max-height: 90vh;
  object-fit: contain;
  display: block;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .location-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
    display: none;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-list.show {
    display: flex;
  }
  
  .hero {
    padding: 4rem 0 3rem;
  }
  
  .hero-text h1 {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .contaminants-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .site-footer nav {
    justify-content: center;
  }
  
  .gallery-carousel-wrapper {
    margin: 0 -0.5rem;
    padding: 0 2.5rem;
  }
  
  .gallery-carousel .item {
    flex: 0 0 280px;
  }
  
  .carousel-nav {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
  
  .carousel-prev {
    left: 0.25rem;
  }
  
  .carousel-next {
    right: 0.25rem;
  }
}

/* Admin Button and Modal */
.admin-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0.6;
}

.admin-btn:hover {
  opacity: 1;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.admin-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.admin-modal.hidden {
  display: none;
}

.admin-modal-content {
  background: var(--color-bg);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 400px;
  width: 100%;
  position: relative;
}

.admin-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2rem;
  height: 2rem;
  border: none;
  background: var(--color-accent);
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all 0.2s ease;
}

.admin-modal-close:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.admin-modal-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
  color: var(--color-text);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

.admin-error {
  color: #ef4444;
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 1rem;
}

.admin-error.hidden {
  display: none;
}

.btn-full {
  width: 100%;
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .section-header h2 {
    font-size: 1.75rem;
  }
  
  .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
  }
  
  .btn-large {
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }
  
  .gallery-carousel .item {
    flex: 0 0 260px;
  }
  
  .gallery-carousel .item img,
  .gallery-carousel .item video {
    height: 200px;
  }
  
  .gallery-tabs {
    gap: 0.25rem;
  }
  
  .gallery-tab {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
  
  .companies-carousel-item {
    flex: 0 0 160px;
    padding: 1rem;
  }
  
  .companies-logo {
    width: 100px;
    height: 60px;
  }
  
  .companies-name {
    font-size: 0.8rem;
  }
  
  .companies-carousel {
    gap: 2rem;
    animation-duration: 30s;
  }
}