/**
 * ST INTERNATIONAL GROUP - Shared Components
 * Universal Header, Footer, Stats, and other shared UI components
 * Version: 1.0.0
 */

/* ========================================
   UNIVERSAL HEADER
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 12, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}

.site-header.scrolled {
  background: rgba(11, 12, 15, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.9;
}

.logo-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  border-radius: var(--radius-lg);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: white;
}

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

.logo-primary {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.logo-secondary {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  letter-spacing: 0.02em;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-normal);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  transition: width var(--transition-normal);
}

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

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

/* Group Switcher Dropdown */
.group-switcher {
  position: relative;
}

.switcher-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.switcher-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.switcher-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-normal);
}

.group-switcher:hover .switcher-toggle svg {
  transform: rotate(180deg);
}

.switcher-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  width: 340px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-xl);
  z-index: 1001;
}

.group-switcher:hover .switcher-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.switcher-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.switcher-item:hover {
  background: var(--color-bg-secondary);
}

.switcher-item.active {
  background: rgba(79, 107, 255, 0.1);
  border: 1px solid rgba(79, 107, 255, 0.2);
}

.switcher-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  font-size: var(--text-xl);
}

.switcher-item:hover .switcher-icon {
  background: var(--color-bg-elevated);
}

.switcher-info {
  display: flex;
  flex-direction: column;
}

.switcher-title {
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
}

.switcher-desc {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.phone-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  transition: color var(--transition-normal);
}

.phone-link:hover {
  color: var(--color-accent);
}

.phone-link svg {
  width: 18px;
  height: 18px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 12px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1002;
  position: relative;
  pointer-events: auto;
  touch-action: manipulation;
  min-width: 48px;
  min-height: 48px;
  -webkit-tap-highlight-color: rgba(79, 107, 255, 0.2);
  border-radius: 8px;
}

.mobile-menu-toggle:active {
  background: rgba(255, 255, 255, 0.1);
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all 0.3s ease;
  pointer-events: none;
}

/* ========================================
   UNIVERSAL FOOTER
   ======================================== */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-24);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--space-16);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--color-border);
}

.footer-brand {
  max-width: 360px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer-logo .logo-icon {
  width: 36px;
  height: 36px;
  font-size: var(--text-base);
}

.footer-logo span {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
}

.footer-tagline {
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.footer-description {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  transition: all var(--transition-normal);
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

/* Footer Links */
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer-column h4 {
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: var(--space-3);
}

.footer-column a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  transition: color var(--transition-normal);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

/* Footer Bottom */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) 0;
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer-certifications {
  display: flex;
  gap: var(--space-4);
}

.cert-badge {
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats-section {
  background: var(--color-bg-secondary);
  padding: var(--space-16) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.stat-item {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  border-color: rgba(79, 107, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.stat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  color: var(--color-accent);
}

.stat-icon svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.5;
}

.stat-number-wrapper {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-accent);
}

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

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 12, 15, 0.92) 0%, rgba(11, 12, 15, 0.7) 50%, rgba(11, 12, 15, 0.5) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: var(--space-24) var(--space-6) var(--space-16);
}

.hero-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: rgba(79, 107, 255, 0.15);
  border: 1px solid rgba(79, 107, 255, 0.3);
  border-radius: var(--radius-full);
  color: var(--color-accent-light);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--font-bold);
  line-height: 1.1;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.hero-title .highlight {
  color: var(--color-accent);
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: rgba(79, 107, 255, 0.1);
  border: 1px solid rgba(79, 107, 255, 0.2);
  border-radius: var(--radius-full);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

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

/* ========================================
   SERVICE/PRODUCT CARDS
   ======================================== */
.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  border-color: rgba(79, 107, 255, 0.3);
  transform: translateY(-6px);
  box-shadow: var(--shadow-accent);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(79, 107, 255, 0.1);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  font-size: var(--text-2xl);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.service-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
  flex-grow: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-top: var(--space-4);
  transition: gap var(--transition-normal);
}

.service-link:hover {
  gap: var(--space-3);
}

/* ========================================
   TRUST BADGES SECTION
   ======================================== */
.trust-section {
  background: var(--color-bg-primary);
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--color-border);
}

.trust-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  text-align: center;
}

.trust-label {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-8);
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-12);
  flex-wrap: wrap;
  opacity: 0.5;
}

.trust-logo {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  transition: opacity var(--transition-normal);
}

.trust-logo:hover {
  opacity: 1;
}

/* ========================================
   DIVISION BANNER (for sub-sites)
   ======================================== */
.division-banner {
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2) 0;
  text-align: center;
}

.division-banner span {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.division-banner a {
  color: var(--color-accent);
  font-weight: var(--font-medium);
}

.division-banner a:hover {
  text-decoration: underline;
}

/* ========================================
   MOBILE RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .header-actions .phone-link span {
    display: none;
  }
  
  .header-container {
    height: 70px;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .stats-container {
    grid-template-columns: 1fr;
  }
  
  .switcher-dropdown {
    width: 300px;
    right: -100px;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
}

/* Mobile Menu (when active) */
.mobile-menu {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-primary);
  z-index: 1001;
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  visibility: hidden;
}

.mobile-menu.active {
  transform: translateX(0);
  visibility: visible;
}

.mobile-menu .nav-link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-lg);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
}

/* Mobile menu toggle animation */
.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}
/* Ensure spans don't block clicks */
.mobile-menu-toggle span {
  pointer-events: none;
}