/* --- LAYOUT --- */
.page-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-top: var(--header-height);
}

.site-header {
  height: var(--header-height);
  border-bottom: 1px solid rgba(15, 137, 148, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--layout-gutter);
  background: rgba(248, 252, 255, 0.88);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
}

.site-header::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(15, 137, 148, 0.55) 20%, rgba(255, 105, 20, 0.55) 50%, rgba(15, 137, 148, 0.55) 80%, transparent 100%);
  opacity: 0.55;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.8vw, 1.4rem);
}

.header-parent, .header-child {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.theme-toggle {
  width: 58px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(15, 137, 148, 0.3);
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  padding: 3px;
  cursor: pointer;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05), 0 4px 10px rgba(15, 137, 148, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.theme-toggle-track {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
}

.theme-toggle-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--brand-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.3s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.theme-toggle[data-theme="dark"] .theme-toggle-thumb {
  transform: translateX(26px);
  background: #fea42d;
}

.theme-toggle-icon::before {
  content: '☾';
  font-size: 0.85rem;
  color: white;
  transition: opacity 0.2s ease;
}

.theme-toggle[data-theme="dark"] .theme-toggle-icon::before {
  content: '☀';
  color: #0d2430;
}

.header-social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-icon-link {
  width: clamp(44px, 2.5vw, 48px);
  height: clamp(44px, 2.5vw, 48px);
  border-radius: 999px;
  border: 1px solid rgba(15, 137, 148, 0.35);
  background: rgba(255, 255, 255, 0.82);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-teal-dark);
  box-shadow: 0 6px 12px rgba(15, 137, 148, 0.12);
}

.social-icon-svg {
  width: clamp(14px, 0.95vw, 17px);
  height: clamp(14px, 0.95vw, 17px);
  display: block;
  object-fit: contain;
}

.social-icon-link:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 105, 20, 0.5);
  background: rgba(15, 137, 148, 0.1);
  color: var(--brand-dark);
}

.header-link {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.9rem;
  position: relative;
  padding: 0.25rem 0;
}

.header-link:hover {
  color: var(--brand-teal);
}

.header-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-teal);
  transition: width 0.3s ease;
}

.header-link:hover::after {
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--brand-dark);
  letter-spacing: 0.01em;
}

.brand-logo {
  height: clamp(34px, 2.1vw, 44px);
  width: auto;
  display: block;
}

.header-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  padding: 10px 15px;
  white-space: nowrap;
  max-width: clamp(7rem, 34vw, 16rem);
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 700;
  text-transform: uppercase;
  color: inherit;
  font-size: clamp(0.92rem, 0.3vw + 0.84rem, 1.25rem) !important;
  letter-spacing: clamp(0.04em, 0.05vw, 0.06em) !important;
  border-radius: 8px; /* For hover or focus states */
}

main {
  flex: 1;
  width: min(calc(100% - (var(--layout-gutter) * 2)), var(--layout-max));
  margin: 0 auto;
  padding: clamp(0.9rem, 2.5vw, 3rem);
}

/* --- FOOTER --- */
.site-footer {
  border-top: 1px solid rgba(15, 137, 148, 0.22);
  background: rgba(248, 252, 255, 0.86);
  padding: 4rem 2rem 2rem;
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: auto;
  backdrop-filter: blur(6px);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15.5rem), 1fr));
  gap: clamp(1.2rem, 2.8vw, 3rem);
  max-width: min(100%, var(--layout-max));
  margin: 0 auto 3rem auto;
}

.footer-col h4 {
  color: var(--text);
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 600;
}

.footer-brand {
  margin-bottom: 1rem;
  opacity: 0.8;
}

.footer-desc {
  font-weight: 600;
  color: var(--brand-teal);
}

.footer-address {
  font-style: normal;
  line-height: 1.8;
  text-align: start;
}

.footer-mail {
  display: inline-block;
  margin-top: 0.5rem;
  color: var(--accent);
}

.footer-social-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.footer-social-link {
  color: var(--brand-dark);
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid rgba(15, 137, 148, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  padding: 0.45rem 0.78rem 0.43rem;
  font-size: 0.86rem;
}

.footer-social-svg {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
  object-fit: contain;
}

.footer-social-link span {
  line-height: 1;
}

.footer-social-link:hover {
  color: var(--brand-teal-dark);
  border-color: rgba(255, 105, 20, 0.4);
  background: rgba(15, 137, 148, 0.09);
  transform: translateY(-2px);
}

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

.footer-legal-list li {
  margin-bottom: 0.5rem;
  text-align: start;
}

.footer-legal-list span {
  color: var(--text);
  font-weight: 500;
}

.footer-bottom {
  max-width: min(100%, var(--layout-max));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  align-items: start;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer-bottom>p:not(.footer-ip-notice) {
  text-align: start;
}

.footer-hosting {
  color: #5a6b7c;
}

.footer-ip-notice {
  flex: 1 1 100%;
  margin: 0.2rem 0 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.82rem;
}

.footer-links-row {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.8rem, 1.8vw, 1.5rem);
  justify-content: flex-end;
}

@media (max-width: 48rem) {
  /* --- SITE HEADER HIERARCHY --- */
  .site-header {
    position: fixed !important;
    top: 0;
    height: auto !important;
    display: flex !important;
    flex-direction: column !important;
    padding: 0.6rem 1rem !important;
    gap: 0.5rem !important;
    align-items: center !important;
    text-align: center;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
    z-index: 1000;
  }

  /* Row 1: Parent (GeoStratum) */
  .header-parent {
    display: flex !important;
    justify-content: center !important;
    width: 100% !important;
  }

  /* Row 2: Child (Page Title / Actions) */
  .header-child {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 0.4rem !important;
    width: 100% !important;
    padding-top: 0.4rem;
    border-top: 1px solid rgba(0,0,0,0.05);
  }

  .brand {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0 !important;
  }

  .brand-name {
    font-size: 1.25rem !important;
    font-weight: 800 !important;
    color: var(--brand-teal) !important;
    text-transform: uppercase;
    white-space: nowrap;
  }

  .brand-child {
    gap: 0.4rem !important;
  }
  .brand-child .brand-logo {
    height: 20px !important;
  }
  .brand-child .brand-name {
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    color: var(--brand-orange) !important;
    text-transform: none !important;
  }

  .page-title {
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    color: var(--brand-teal-dark) !important;
  }

  .header-actions {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 1rem !important;
  }

  .header-social {
    gap: 0.5rem !important;
  }
  
  .social-icon-svg {
    width: 20px !important;
    height: 20px !important;
  }

  .site-language-select {
    padding: 0.3rem 1.5rem 0.3rem 0.5rem !important;
    font-size: 0.75rem !important;
  }

  .theme-toggle {
    width: 31px;
    height: 31px;
  }

  .theme-toggle-icon::before {
    font-size: 0.8rem;
  }

  .social-icon-link {
    width: 30px;
    height: 30px;
  }

  .footer-bottom {
    text-align: center;
  }

  .footer-links-row {
    justify-content: center;
  }

  .consent-banner {
    flex-direction: column;
    text-align: center;
  }

  .hero-actions .btn {
    flex: 1 1 100%; /* Force full-width wrap on very small mobile */
    min-width: 0;
  }

  .panel {
    margin-bottom: 2.8rem;
    padding: 1.5rem !important; /* Ensure enough side padding */
    width: 100%;
    box-sizing: border-box;
  }

  .hero-modern {
    padding: 2.5rem 1rem !important; /* Reduced padding for mobile */
    text-align: center;
  }

  .hero-modern h1 {
    font-size: 1.95rem !important;
    word-break: break-word; /* Prevent overflow of long words */
  }

  .lead {
    font-size: 1rem !important;
    max-width: 100% !important;
  }

  .a11y-fab {
    right: 0.4rem;
    bottom: 0.4rem;
    min-width: 36px;
    height: 36px;
    opacity: 0.7; /* More transparent to let text show through */
  }

  .a11y-panel {
    right: 0.5rem;
    bottom: 3.5rem;
    width: calc(100% - 1rem);
    max-width: 300px;
  }
}

/* --- CONSENT BANNER --- */
.consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(246, 250, 253, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease;
}

.consent-banner.is-visible {
  transform: translateY(0);
}

.consent-banner.fade-out {
  opacity: 0;
  pointer-events: none;
}

/* --- CURTAIN NAVIGATION MENU --- */
.nav-toggle {
  width: clamp(44px, 2.5vw, 48px);
  height: clamp(44px, 2.5vw, 48px);
  border-radius: 999px;
  border: 1px solid rgba(15, 137, 148, 0.35);
  background: rgba(255, 255, 255, 0.82);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  z-index: 1100;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 6px 12px rgba(15, 137, 148, 0.12);
  padding: 0;
}

.nav-toggle:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 105, 20, 0.5);
  background: rgba(15, 137, 148, 0.1);
}

.nav-toggle-box {
  width: 20px;
  height: 14px;
  display: inline-block;
  position: relative;
}

.nav-toggle-inner,
.nav-toggle-inner::before,
.nav-toggle-inner::after {
  width: 20px;
  height: 2px;
  background-color: var(--brand-teal-dark);
  border-radius: 4px;
  position: absolute;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.25s ease, top 0.25s ease, bottom 0.25s ease;
}

.nav-toggle-inner {
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle-inner::before {
  content: "";
  top: -6px;
  left: 0;
}

.nav-toggle-inner::after {
  content: "";
  bottom: -6px;
  left: 0;
}

/* Transform into X */
.nav-toggle[aria-expanded="true"] .nav-toggle-inner {
  background-color: transparent !important;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-inner::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-inner::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* Body lock when open */
.nav-curtain-open {
  overflow: hidden;
}

/* Nav Curtain Overlay */
.nav-curtain {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  pointer-events: none;
}

.nav-curtain.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-curtain-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(244, 248, 251, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 1;
}

.nav-curtain-container {
  position: relative;
  z-index: 2;
  width: 92%;
  max-width: 1100px;
  height: 80vh;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  padding: 4.5rem;
  background: var(--panel);
  border: 1px solid rgba(15, 137, 148, 0.2);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.96) translateY(20px);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-curtain.is-open .nav-curtain-container {
  transform: scale(1) translateY(0);
}

.nav-curtain-left {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line);
  padding-right: 4rem;
}

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

.nav-curtain-logo {
  width: 44px;
  height: 44px;
}

.nav-curtain-brand-name {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--brand-teal-dark);
}

.nav-curtain-tagline {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 340px;
  margin-top: 2rem;
  margin-bottom: auto;
}

.nav-curtain-footer {
  font-size: 0.85rem;
  color: var(--muted);
  font-family: var(--font-mono);
  margin-top: 2rem;
}

.nav-curtain-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
  padding-right: 1.5rem;
}

.nav-curtain-menu {
  width: 100%;
}

.nav-curtain-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  counter-reset: menu-counter;
}

.nav-curtain-item {
  counter-increment: menu-counter;
  transform: translateY(25px);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease;
}

.nav-curtain.is-open .nav-curtain-item {
  transform: translateY(0);
  opacity: 1;
}

.nav-curtain-item:nth-child(1) { transition-delay: 0.05s; }
.nav-curtain-item:nth-child(2) { transition-delay: 0.10s; }
.nav-curtain-item:nth-child(3) { transition-delay: 0.15s; }
.nav-curtain-item:nth-child(4) { transition-delay: 0.20s; }
.nav-curtain-item:nth-child(5) { transition-delay: 0.25s; }
.nav-curtain-item:nth-child(6) { transition-delay: 0.30s; }

.nav-curtain-link-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-curtain-link {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all 0.3s ease;
  font-family: var(--font-sans);
  letter-spacing: -0.01em;
}

.nav-curtain-link::before {
  content: "0" counter(menu-counter) ".";
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--brand-orange);
  margin-right: 1.2rem;
  opacity: 0.75;
  display: inline-block;
}

.nav-curtain-link:hover {
  color: var(--brand-teal);
  transform: translateX(8px);
}

/* Submenu style */
.nav-curtain-sub-list {
  list-style: none;
  padding-left: 2.8rem;
  margin-top: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
}

.nav-curtain-sub-list.is-visible {
  max-height: 400px;
  opacity: 1;
  margin-top: 0.8rem;
  margin-bottom: 0.5rem;
}

.nav-curtain-sub-link {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 8px 0;
  transition: transform 0.2s ease;
}

.nav-curtain-sub-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--brand-teal-dark);
  transition: color 0.2s ease;
}

:root.theme-dark .nav-curtain-sub-title {
  color: #f4f8fb;
}

.nav-curtain-sub-desc {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.4;
}

.nav-curtain-sub-link:hover {
  transform: translateX(4px);
}

.nav-curtain-sub-link:hover .nav-curtain-sub-title {
  color: var(--brand-orange);
}

.nav-sub-toggle {
  background: transparent;
  border: none;
  color: var(--brand-teal);
  cursor: pointer;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transition: all 0.3s ease;
  padding: 0;
}

.nav-sub-toggle:hover {
  background: rgba(15, 137, 148, 0.1);
  color: var(--brand-orange);
}

.nav-sub-toggle .chevron {
  display: inline-block;
  font-size: 0.7rem;
  transition: transform 0.3s ease;
}

.nav-sub-toggle[aria-expanded="true"] .chevron {
  transform: rotate(180deg);
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 992px) {
  .nav-curtain-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3rem;
    height: 85vh;
  }
  
  .nav-curtain-left {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding-right: 0;
    padding-bottom: 2rem;
    height: auto;
    justify-content: flex-start;
  }
  
  .nav-curtain-tagline {
    font-size: 1rem;
    max-width: 100%;
    margin-top: 1rem;
  }
  
  .nav-curtain-footer {
    display: none;
  }
  
  .nav-curtain-right {
    justify-content: flex-start;
  }
  
  .nav-curtain-list {
    gap: 1.2rem;
  }
  
  .nav-curtain-link {
    font-size: 1.8rem;
  }
  
  :root.theme-dark .nav-curtain-left {
    border-bottom-color: rgba(15, 137, 148, 0.25);
  }
}

@media (max-width: 480px) {
  .nav-curtain-container {
    width: 100%;
    height: 100vh;
    border-radius: 0;
    border: none;
    padding: 6.5rem 1.5rem 2rem;
  }
  
  .nav-curtain-left {
    margin-top: 1rem;
  }
}

/* --- HORIZONTAL NAVIGATION BAR --- */
.site-nav-bar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: 50px;
  background: rgba(244, 248, 251, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15, 137, 148, 0.2);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(10, 40, 60, 0.04);
}

.nav-bar-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 3.5vw, 2.5rem);
  width: 100%;
  max-width: var(--layout-max);
  padding: 0 var(--layout-gutter);
}

.nav-bar-link {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  padding: 6px 4px;
  position: relative;
  transition: color 0.3s ease;
  display: inline-flex;
  align-items: center;
}

.nav-bar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 4px;
  right: 4px;
  height: 2px;
  background: var(--brand-orange);
  transform: scaleX(0);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: right;
}

.nav-bar-link:hover {
  color: var(--brand-orange);
}

.nav-bar-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Dropdown Container */
.nav-bar-dropdown {
  position: relative;
}

/* Windows Navigation Link and Mega Menu Icon Styling */
.nav-bar-windows {
  cursor: default;
}
.windows-mega-icon {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-bar-dropdown:hover .windows-mega-icon {
  transform: scale(1.1) rotate(2deg);
}