/* SILVIET Corporate Website - Design System & Global Styles */

/* ===== CSS Variables (Design Tokens) ===== */
:root {
  /* Colors - Professional Industrial Palette */
  --color-primary: #0F172A;
  /* Slate 900 - Headers, authority */
  --color-secondary: #334155;
  /* Slate 700 - Body text */
  --color-accent: #0369A1;
  /* Sky 700 - CTA, links */
  --color-accent-hover: #075985;
  /* Sky 800 - CTA hover */
  --color-background: #F8FAFC;
  /* Slate 50 - Page background */
  --color-surface: #FFFFFF;
  /* White - Cards */
  --color-border: #E2E8F0;
  /* Slate 200 - Dividers */
  --color-muted: #64748B;
  /* Slate 500 - Captions */

  /* Typography */
  --font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --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 */

  /* Border Radius */
  --radius-sm: 0.25rem;
  /* 4px */
  --radius-md: 0.5rem;
  /* 8px */
  --radius-lg: 1rem;
  /* 16px */

  /* Shadows */
  --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 -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;

  /* Layout */
  --navbar-height: 4rem;
  /* 64px */
  --max-width: 80rem;
  /* 1280px */
}

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

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

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-secondary);
  background-color: var(--color-background);
  position: relative;
}

/* Vietnamese Bronze Drum (Trống Đồng Đông Sơn) Watermark Pattern */
/* Single large centered pattern overlaying all content */
@keyframes drum-rotate {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

body::after {
  content: '';
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90vmin;
  height: 90vmin;
  background-image: url('../assets/images/dong_son_drum.svg');
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  opacity: 0.05;
  pointer-events: none;
  z-index: 1;
  animation: drum-rotate 300s linear infinite;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-primary);
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

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

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

a:hover {
  color: var(--color-accent-hover);
}

/* ===== Layout Utilities ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-sm {
  padding: var(--spacing-2xl) 0;
}

/* ===== Component: Navbar ===== */
.navbar {
  position: fixed;
  top: var(--spacing-md);
  left: var(--spacing-md);
  right: var(--spacing-md);
  height: var(--navbar-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
}

.navbar-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.navbar-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

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

.navbar-nav a {
  color: var(--color-secondary);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: var(--spacing-sm) 0;
  position: relative;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

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

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

/* Mobile menu toggle */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

/* ===== Component: Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

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

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

.btn-ghost:hover {
  background: var(--color-border);
}

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

/* ===== Component: Cards ===== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-clickable {
  cursor: pointer;
}

/* ===== Component: Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--navbar-height) + var(--spacing-3xl));
  padding-bottom: var(--spacing-3xl);
  background: linear-gradient(180deg, var(--color-background) 0%, white 100%);
}

.hero-content {
  max-width: 48rem;
}

.hero-tagline {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(3, 105, 161, 0.1);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 9999px;
  margin-bottom: var(--spacing-lg);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--spacing-lg);
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xl);
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Hero with Banner Image */
.hero-with-banner {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-with-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.6) 100%);
  z-index: 1;
}

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

.hero-with-banner .hero-title,
.hero-with-banner .hero-tagline,
.hero-with-banner .hero-description {
  color: white;
}

.hero-with-banner .hero-tagline {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

/* Page-specific banner backgrounds */
.hero-home {
  background-image: url('../assets/images/hero_banner.png');
}

.hero-about {
  background-image: url('../assets/images/about_banner.png');
}

.hero-products {
  background-image: url('../assets/images/products_banner.png');
}

.hero-market {
  background-image: url('../assets/images/market_banner.png');
}

/* ===== Component: Feature Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto var(--spacing-md);
  color: var(--color-accent);
}

.feature-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  color: var(--color-muted);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ===== Component: Section Header ===== */
.section-header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

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

/* ===== Component: Industry Cards ===== */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.industry-card {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-xl);
  text-align: left;
  border-color: var(--color-border);
  height: 100%;
}

.industry-icon-wrapper {
  width: 3.5rem;
  height: 3.5rem;
  background: rgba(3, 105, 161, 0.1);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.industry-icon {
  width: 2rem;
  height: 2rem;
}

.industry-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.industry-description {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.btn-link {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: auto;
}

.btn-link:hover {
  text-decoration: underline;
}

/* ===== Component: Trust Section ===== */
.trust-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-xl) 0;
}

.ecosystem-group {
  padding: var(--spacing-xl) var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.ecosystem-group:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.ecosystem-icon {
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.ecosystem-group h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0;
}

/* ===== Component: News Cards ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.news-card {
  display: flex;
  flex-direction: column;
}

.news-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  background: var(--color-border);
}

.news-card-meta {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: var(--spacing-sm);
}

.news-card-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.news-card-excerpt {
  color: var(--color-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.news-card-link {
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* ===== Component: CTA Section ===== */
.cta-section {
  background: var(--color-primary);
  color: white;
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 32rem;
  margin: 0 auto var(--spacing-xl);
}

.cta-section .btn-primary {
  background: white;
  color: var(--color-primary);
}

.cta-section .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
}

/* ===== Component: Footer ===== */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand {
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-description {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.footer-slogan {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

.footer-contact-info {
  font-size: 0.875rem;
  line-height: 1.8;
}

.footer-contact-info p {
  margin-bottom: var(--spacing-xs);
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-info strong {
  color: white;
}

.footer-title {
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.7);
  margin-left: var(--spacing-lg);
}

/* ===== Page-specific: About ===== */
.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--spacing-xl) - 5px);
  top: 0.5rem;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
}

.timeline-phase {
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.timeline-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.timeline-description {
  color: var(--color-muted);
  margin-bottom: 0;
}

/* ===== Page-specific: Products ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.product-card {
  padding: var(--spacing-xl);
}

.product-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.product-icon {
  width: 3rem;
  height: 3rem;
  color: var(--color-accent);
}

.product-name {
  font-size: 1.25rem;
}

.product-specs {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.product-specs li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

.product-specs li:last-child {
  border-bottom: none;
}

/* ===== Page-specific: Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

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

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

.form-label {
  font-weight: 500;
  color: var(--color-primary);
  font-size: 0.9375rem;
}

.form-input,
.form-textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
  background: var(--color-surface);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-textarea {
  min-height: 8rem;
  resize: vertical;
}

.contact-info-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-info-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xs);
}

.contact-info-value {
  font-weight: 500;
  color: var(--color-primary);
}

/* ===== Utilities ===== */
.text-center {
  text-align: center;
}

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

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

.mb-0 {
  margin-bottom: 0;
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

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

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

.mt-md {
  margin-top: var(--spacing-md);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 768px) {
  :root {
    --navbar-height: 3.5rem;
  }

  .navbar {
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    right: var(--spacing-sm);
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
  }

  .navbar-nav.active {
    display: flex;
  }

  .navbar-toggle {
    display: block;
  }

  .navbar-cta {
    display: none;
  }

  /* Mobile language switcher styling */
  .mobile-lang-switcher {
    display: flex;
    justify-content: center;
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
  }

  .mobile-lang-switcher .lang-switcher {
    padding: var(--spacing-xs);
  }

  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero {
    padding-top: calc(var(--navbar-height) + var(--spacing-2xl));
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .footer-legal a {
    margin-left: 0;
    margin-right: var(--spacing-md);
  }
}

/* Hide mobile language switcher on desktop (at sizes wider than mobile) */
@media (min-width: 769px) {
  .mobile-lang-switcher {
    display: none !important;
  }
}



@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

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

  .features-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }
}

/* New Mobile Stacking Utilities */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.featured-article-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

@media (max-width: 768px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }

  .featured-article-grid {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-lg) !important;
  }

  .featured-article-grid .news-card-image {
    height: 200px !important;
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {

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

  html {
    scroll-behavior: auto;
  }
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ===== Component: Services Section ===== */
.services-hero {
  background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), url('../assets/images/services-hero.jpg');
  background-size: cover;
  background-position: center;
  color: white;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.service-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-icon-wrapper {
  width: 4rem;
  height: 4rem;
  background: var(--color-surface);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.service-icon-wrapper svg {
  width: 2rem;
  height: 2rem;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.service-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.service-list {
  list-style: none;
  margin-top: auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.service-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.service-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

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

/* ===== Component: Floating Action Button (FAB) ===== */
.fab-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-md);
}

.fab-main-btn {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--color-accent);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  animation: fab-pulse 2s infinite;
}

.fab-main-btn:hover {
  transform: scale(1.1);
  background: var(--color-accent-hover);
}

.fab-icon-close {
  display: none;
}

.fab-container.active .fab-icon-open {
  display: none;
}

.fab-container.active .fab-icon-close {
  display: block;
}

.fab-container.active .fab-main-btn {
  background: var(--color-secondary);
  animation: none;
}

.fab-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
}

.fab-container.active .fab-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.fab-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.fab-item:hover {
  background: var(--color-background);
  transform: translateX(-5px);
  color: var(--color-accent);
}

.fab-item svg,
.fab-item img {
  width: 1.25rem;
  height: 1.25rem;
}

.fab-label {
  white-space: nowrap;
}

@keyframes fab-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(3, 105, 161, 0.4);
  }

  70% {
    box-shadow: 0 0 0 15px rgba(3, 105, 161, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(3, 105, 161, 0);
  }
}

@media (max-width: 768px) {
  .fab-container {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
  }

  .fab-main-btn {
    width: 3rem;
    height: 3rem;
  }
}

.lang-switcher {
  display: flex;
  align-items: center;
  background: rgba(15, 23, 42, 0.05);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.lang-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border: none;
  background: transparent;
  color: var(--color-muted);
  font-family: var(--font-family);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: calc(var(--radius-md) - 2px);
  transition: all var(--transition-fast);
}

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

.lang-btn.active {
  background: white;
  color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

/* Mobile language switcher */
@media (max-width: 768px) {
  .lang-switcher {
    margin-bottom: var(--spacing-sm);
    justify-content: center;
  }
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 10000;
}

.skip-link:focus {
  top: 0;
}

/* ===== Scroll Reveal Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

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

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

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Reveal animation classes */
.reveal {
  opacity: 0;
}

.reveal.active {
  animation: fadeInUp 0.6s ease-out forwards;
}

.reveal-left.active {
  animation: fadeInLeft 0.6s ease-out forwards;
}

.reveal-right.active {
  animation: fadeInRight 0.6s ease-out forwards;
}

.reveal-scale.active {
  animation: scaleIn 0.5s ease-out forwards;
}

/* Stagger children animations */
.stagger-children>.reveal:nth-child(1) {
  animation-delay: 0.05s;
}

.stagger-children>.reveal:nth-child(2) {
  animation-delay: 0.1s;
}

.stagger-children>.reveal:nth-child(3) {
  animation-delay: 0.15s;
}

.stagger-children>.reveal:nth-child(4) {
  animation-delay: 0.2s;
}

.stagger-children>.reveal:nth-child(5) {
  animation-delay: 0.25s;
}

.stagger-children>.reveal:nth-child(6) {
  animation-delay: 0.3s;
}

/* Card hover lift effect */
.card {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

/* Industry card scale effect */
.industry-card {
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.industry-card:hover {
  transform: scale(1.03);
}

/* Button press effect */
.btn {
  transition: all var(--transition-fast);
}

.btn:active {
  transform: scale(0.97);
}

/* Hero content entrance */
.hero-content {
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

/* Navbar smooth entrance */
.navbar {
  animation: fadeInUp 0.5s ease-out backwards;
}

/* Feature icon pulse on hover */
.feature-icon {
  transition: transform var(--transition-base);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
}

/* News card image zoom */
.news-card-image {
  transition: transform var(--transition-slow);
  overflow: hidden;
}

/* Core Values New Layout */
.values-grid-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.value-t-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.value-t-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.value-t-label {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.value-t-desc {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.4;
}

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

.highlight-card {
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    min-height: 180px;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.highlight-card.efficiency {
    background: linear-gradient(135deg, #e53935 0%, #b71c1c 100%); /* Deep Red */
    box-shadow: 0 10px 20px rgba(183, 28, 28, 0.2);
}

.highlight-card.culture {
    background: linear-gradient(135deg, #fb8c00 0%, #e65100 100%); /* Vibrant Orange */
    box-shadow: 0 10px 20px rgba(230, 81, 0, 0.2);
}

.highlight-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.highlight-content {
    font-size: 1.125rem;
    font-weight: 500;
    opacity: 0.95;
    line-height: 1.5;
}

@media (max-width: 992px) {
    .values-grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .values-grid-5 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .highlights-container {
        grid-template-columns: 1fr;
    }
    
    .highlight-card {
        padding: var(--spacing-lg);
        min-height: auto;
    }
}

@media (max-width: 480px) {
    .values-grid-5 {
        grid-template-columns: 1fr;
    }
}

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

/* CTA section subtle pulse */
.cta-section .btn-primary {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
  }

  50% {
    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {

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