/* ==========================================================================
   SEVEN STARS LOGISTICS - LAYOUT & NAVIGATION
   ========================================================================== */

/* --------------------------------------------------------------------------
   Top Utility Bar
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: #f8fafc;
  color: var(--text-body);
  font-size: 0.8125rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border-light);
  position: relative;
  z-index: 100;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.top-bar-contact {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-muted);
}

.top-bar-item a {
  color: var(--color-blue-700);
  font-weight: var(--fw-semibold);
  transition: color var(--transition-fast);
}

.top-bar-item a:hover {
  color: var(--color-blue-800);
  text-decoration: underline;
}

.top-bar-item svg {
  width: 14px;
  height: 14px;
  color: var(--color-blue-700);
}

.top-bar-badge {
  background-color: var(--color-blue-50);
  color: var(--color-blue-700);
  border: 1px solid var(--color-blue-100);
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #38bdf8;
}

/* --------------------------------------------------------------------------
   Corporate Brand Header (Pure White Background: Logo, Brand Name, Tagline)
   -------------------------------------------------------------------------- */
.site-brand-header {
  background-color: #ffffff;
  padding: 0.25rem 1.5rem 0.35rem 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  position: relative;
  z-index: 90;
}

.header-brand-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.header-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  background: transparent;
  border: none;
  padding: 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.header-logo:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.logo-mobile,
.header-mobile-brand {
  display: none !important;
}

.logo-desktop {
  display: block;
}

.site-brand-header .header-logo img,
.site-brand-header .header-logo svg {
  height: 76px;
  width: auto;
  max-width: min(840px, 92vw);
  display: block;
  object-fit: contain;
}

.site-header .header-inner .header-logo img,
.site-header .header-inner .header-logo svg {
  height: 42px;
  width: auto;
  max-width: 290px;
  display: block;
  object-fit: contain;
}

/* --------------------------------------------------------------------------
   Sticky Navigation Bar (Transparent Background with Video Playing Down)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky-nav, 1000);
  background: rgba(7, 21, 38, 0.96);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: background-color var(--transition-base), backdrop-filter var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.site-header.nav-transparent-overlay {
  background: linear-gradient(180deg, rgba(7, 21, 38, 0.70) 0%, rgba(7, 21, 38, 0.40) 60%, rgba(7, 21, 38, 0.20) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  margin-bottom: -58px;
}

.site-header.header-scrolled,
.site-header.nav-transparent-overlay.header-scrolled {
  background: rgba(7, 21, 38, 0.96);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}

.header-nav-inner,
.header-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1.25rem;
  padding: 0.65rem 1.5rem;
  position: relative;
  width: 100%;
  transition: padding var(--transition-base);
}

.site-header.header-scrolled .header-nav-inner,
.site-header.header-scrolled .header-inner {
  padding: 0.45rem 1.5rem;
}

/* Left Slot on Header (Scrolled Brand or Inner Page Logo) */
.header-scrolled-emblem,
.site-header .header-inner .header-logo {
  grid-column: 1;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  text-decoration: none;
  flex-shrink: 0;
  margin-left: 0;
}

.header-scrolled-emblem {
  opacity: 0;
  visibility: hidden;
  transform: translateX(-6px);
  pointer-events: none;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.28s;
}

.site-header.header-scrolled .header-scrolled-emblem {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
}

.header-scrolled-emblem img,
.site-header .header-inner .header-logo img,
.site-header .header-inner .header-logo svg {
  height: 42px;
  width: auto;
  max-width: 290px;
  display: block;
  object-fit: contain;
}

/* Center Slot on Header - Mathematically Dead Center on Page */
.header-nav-inner .nav-menu,
.header-inner .nav-menu {
  grid-column: 2;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Right Slot on Header */
.header-actions,
.header-inner .header-actions {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.65rem, 1.25vw, 1.4rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links > li {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.nav-link,
.nav-link-dropdown,
.nav-link.nav-dropdown-toggle {
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.45rem 0.35rem;
  position: relative;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
  opacity: 0.95;
  white-space: nowrap !important;
  display: inline-flex;
  align-items: center;
  line-height: 1.25;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link-dropdown:hover,
.nav-link-dropdown:focus-visible,
.nav-item-dropdown:hover .nav-link-dropdown,
.nav-item-dropdown:focus-within .nav-link-dropdown,
.nav-item-dropdown.dropdown-open .nav-link-dropdown,
.nav-dropdown-wrapper:hover .nav-dropdown-toggle,
.nav-dropdown-wrapper:focus-within .nav-dropdown-toggle,
.nav-dropdown-wrapper.dropdown-open .nav-dropdown-toggle {
  color: #ffffff !important;
  opacity: 1;
}

.nav-link.active,
.nav-link-dropdown.active {
  color: #ffffff !important;
  opacity: 1;
}

.nav-link::after,
.nav-link-dropdown::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background-color: #38bdf8;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.9);
  transition: width var(--transition-base);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link-dropdown:hover::after,
.nav-item-dropdown:hover .nav-link-dropdown::after,
.nav-item-dropdown.dropdown-open .nav-link-dropdown::after,
.nav-dropdown-wrapper:hover .nav-dropdown-toggle::after,
.nav-dropdown-wrapper.dropdown-open .nav-dropdown-toggle::after {
  width: 100%;
}

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

.nav-link.nav-dropdown-toggle,
.nav-link-dropdown {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-dropdown-toggle svg,
.nav-link-dropdown svg {
  display: inline-block;
  width: 12px;
  height: 12px;
  stroke-width: 2.2;
  stroke: #ffffff !important;
  color: #ffffff !important;
  flex-shrink: 0;
  transition: transform var(--transition-fast), stroke var(--transition-fast);
  margin-top: 1px;
}

.nav-dropdown-wrapper:hover .nav-dropdown-toggle svg,
.nav-dropdown-wrapper.dropdown-open .nav-dropdown-toggle svg,
.nav-item-dropdown:hover .nav-link-dropdown svg,
.nav-item-dropdown:focus-within .nav-link-dropdown svg,
.nav-item-dropdown.dropdown-open .nav-link-dropdown svg {
  transform: rotate(180deg);
  stroke: #ffffff !important;
  color: #ffffff !important;
}

/* Right Slot on Header */
.header-actions {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  flex-shrink: 0;
}

.btn-header-cta {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff !important;
  border: 1px solid rgba(56, 189, 248, 0.45);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
  font-weight: 700;
  padding: 0.6rem 1.35rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  line-height: 1.2;
  font-size: 0.9375rem;
}

.btn-header-cta:hover {
  background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
  border-color: #38bdf8;
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.55);
  transform: translateY(-1px);
}

.header-track-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: var(--fw-semibold);
  color: var(--primary-700);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.header-track-link:hover {
  background-color: var(--bg-alt);
  color: var(--color-blue-700);
}

.header-track-link svg {
  width: 16px;
  height: 16px;
}

/* Mobile Menu Toggle Button */
.menu-toggle {
  display: none;
  background: #ffffff;
  border: 1.5px solid var(--border-medium);
  padding: 0;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--primary-900);
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-fast);
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary-900);
  stroke-width: 2.25;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: block;
  flex-shrink: 0;
  transition: stroke var(--transition-fast);
}

.menu-toggle:hover,
.menu-toggle:active {
  background-color: var(--color-blue-50);
  border-color: var(--color-blue-300);
}

.menu-toggle:hover svg,
.menu-toggle:active svg {
  stroke: var(--color-blue-700);
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--color-blue-700);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Mobile Drawer & Overlay
   -------------------------------------------------------------------------- */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(6, 19, 37, 0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-drawer);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 380px;
  background-color: #ffffff;
  z-index: calc(var(--z-drawer) + 1);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
}

.mobile-drawer.active {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.mobile-drawer-close {
  background: #ffffff;
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0;
  cursor: pointer;
  color: var(--primary-900);
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-fast);
}

.mobile-drawer-close svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary-900);
  stroke-width: 2.25;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: block;
  flex-shrink: 0;
  transition: stroke var(--transition-fast);
}

.mobile-drawer-close:hover,
.mobile-drawer-close:active {
  background-color: var(--color-blue-50);
  border-color: var(--color-blue-300);
}

.mobile-drawer-close:hover svg,
.mobile-drawer-close:active svg {
  stroke: var(--color-blue-700);
}

.mobile-drawer-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  font-size: 1.0625rem;
  font-weight: var(--fw-semibold);
  color: var(--primary-900);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: var(--color-blue-50);
  color: var(--color-blue-700);
}

.mobile-drawer-footer {
  padding: 1.5rem;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-light);
}

/* --------------------------------------------------------------------------
   Page Banner Hero (Internal Pages)
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  background-color: var(--primary-900);
  color: #ffffff;
  padding: var(--space-3xl) 0 var(--space-2xl) 0;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  filter: brightness(0.8);
}

.page-hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6, 19, 37, 0.95) 0%, rgba(11, 31, 58, 0.88) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: #94a3b8;
}

.breadcrumbs a:hover {
  color: #ffffff;
}

.breadcrumbs-sep {
  color: rgba(255, 255, 255, 0.4);
}

.breadcrumbs-current {
  color: #ffffff;
  font-weight: var(--fw-semibold);
}

.page-hero-title {
  color: #ffffff;
  margin-bottom: 1rem;
}

.page-hero-subtitle {
  font-size: 1.1875rem;
  color: #cbd5e1;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Corporate Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--primary-900);
  color: #94a3b8;
  padding-top: var(--space-4xl);
  border-top: 1px solid var(--border-dark);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-brand-logo {
  display: inline-block;
  background: transparent;
  padding: 0;
  border-radius: 0;
  max-width: 380px;
}

.footer-brand-logo img {
  height: 38px;
  width: auto;
  display: block;
}

.footer-brand-desc {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: #94a3b8;
}

.footer-licenses {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.license-pill {
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
}

.footer-title {
  color: #ffffff;
  font-size: 1.0625rem;
  font-weight: var(--fw-bold);
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--color-blue-500);
}

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

.footer-links a {
  color: #94a3b8;
  font-size: 0.9375rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

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

.footer-offices {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-office-item {
  font-size: 0.875rem;
  line-height: 1.5;
}

.footer-office-name {
  color: #f1f5f9;
  font-weight: var(--fw-bold);
  margin-bottom: 0.25rem;
}

.footer-office-addr {
  color: #94a3b8;
  margin-bottom: 0.35rem;
}

.footer-office-contact a {
  color: #7dd3fc;
  font-weight: var(--fw-medium);
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: #64748b;
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: #94a3b8;
}

.footer-legal-links a:hover {
  color: #ffffff;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.back-to-top:hover {
  background-color: var(--color-blue-700);
  color: #ffffff;
  border-color: var(--color-blue-700);
}