/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-white);
  box-shadow: 0 1px 0 var(--color-border);
  transition: box-shadow var(--duration-base) ease;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.header-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  height: var(--header-top-h);
  transition: height var(--duration-base) var(--ease-out);
}

.site-header.is-scrolled .header-top__inner {
  height: var(--header-top-h-scrolled);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  width: auto;
  height: 110px;
  transition: height var(--duration-base) var(--ease-out);
}

.site-header.is-scrolled .brand img {
  height: 50px;
}

.header-utility {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-size: var(--fs-sm);
}

.utility-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.utility-nav a {
  color: var(--color-text);
  font-weight: var(--fw-medium);
}

.utility-nav a:hover {
  color: var(--color-accent-dark);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  color: var(--color-text-muted);
}

.lang-switch [aria-current] {
  color: var(--color-primary);
  font-weight: var(--fw-bold);
}

.tcsp-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.3em 0.85em;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-accent-dark);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  white-space: nowrap;
  background: var(--color-accent-tint);
}

.tcsp-badge svg {
  width: 14px;
  height: 14px;
}

/* Hamburger */
.nav-toggle {
  display: none;
  position: relative;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
}

.nav-toggle__bar {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-primary);
  transition: transform var(--duration-base) var(--ease-out), opacity var(--duration-fast) ease;
}

.nav-toggle__bar:nth-child(1) { top: 15px; }
.nav-toggle__bar:nth-child(2) { top: 22px; }
.nav-toggle__bar:nth-child(3) { top: 29px; }

/* ==========================================================================
   Primary navigation (desktop)
   ========================================================================== */
.primary-nav {
  background: var(--color-primary);
}

.nav-drawer__head,
.nav-drawer__extra {
  display: none;
}

.nav-list {
  display: flex;
  justify-content: space-between;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-item {
  position: relative;
  flex: 1 1 auto;
  display: flex;
  align-items: stretch;
}

.nav-item + .nav-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: rgba(255, 255, 255, 0.22);
}

.nav-link {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--nav-h);
  padding: 0 var(--space-md);
  color: var(--color-white);
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: background-color var(--duration-fast) ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--color-accent);
  transform: translateX(-50%);
  transition: width var(--duration-base) var(--ease-out);
}

.nav-link:hover,
.nav-item:focus-within > .nav-link {
  color: var(--color-white);
  background: var(--color-primary-dark);
}

.nav-link:hover::after,
.nav-link[aria-current]::after,
.nav-item.is-current > .nav-link::after {
  width: 60%;
}

.nav-link[aria-current],
.nav-item.is-current > .nav-link {
  background: var(--color-primary-dark);
}

.submenu-toggle {
  display: none;
}

.has-dropdown > .nav-link {
  padding-right: calc(var(--space-md) + 14px);
}

.has-dropdown > .nav-link .chevron {
  position: absolute;
  right: var(--space-sm);
  width: 12px;
  height: 12px;
  opacity: 0.8;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  z-index: 5;
  min-width: 280px;
  margin: 0;
  padding: var(--space-xs) 0;
  list-style: none;
  background: var(--color-white);
  border-top: 3px solid var(--color-accent);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition: opacity var(--duration-base) ease, transform var(--duration-base) var(--ease-out), visibility var(--duration-base);
}

.has-dropdown:hover > .dropdown,
.has-dropdown:focus-within > .dropdown,
.has-dropdown.is-open > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.dropdown a {
  display: block;
  padding: 0.6rem 1.25rem;
  color: var(--color-text);
  font-size: var(--fs-sm);
  line-height: 1.5;
}

.dropdown a:hover,
.dropdown a:focus-visible,
.dropdown a[aria-current] {
  color: var(--color-primary);
  background: var(--color-primary-tint);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-backdrop);
  background: rgba(8, 28, 48, 0.55);
  opacity: 0;
  transition: opacity var(--duration-base) ease;
}

.nav-backdrop.is-visible {
  opacity: 1;
}

/* ==========================================================================
   Primary navigation (tablet & mobile drawer)
   ========================================================================== */
@media (max-width: 1099px) {
  .header-utility {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .primary-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-drawer);
    display: flex;
    flex-direction: column;
    width: min(88vw, 380px);
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform var(--duration-base) var(--ease-out), visibility var(--duration-base);
  }

  body.nav-open .primary-nav {
    transform: translateX(0);
    visibility: visible;
  }

  .primary-nav > .container {
    padding: 0;
  }

  .nav-drawer__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: var(--fw-bold);
    letter-spacing: 0.06em;
  }

  .nav-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-white);
  }

  .nav-close svg {
    width: 20px;
    height: 20px;
  }

  .nav-list {
    display: block;
  }

  .nav-item {
    flex-wrap: wrap;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-item + .nav-item::before {
    display: none;
  }

  .nav-link {
    justify-content: flex-start;
    min-height: 54px;
    padding: 0 var(--space-lg);
    color: var(--color-heading);
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-item:focus-within > .nav-link,
  .nav-link[aria-current],
  .nav-item.is-current > .nav-link {
    color: var(--color-primary);
    background: var(--color-primary-tint);
  }

  .nav-link[aria-current],
  .nav-item.is-current > .nav-link {
    box-shadow: inset 4px 0 0 var(--color-accent);
  }

  .has-dropdown > .nav-link {
    padding-right: var(--space-lg);
  }

  .has-dropdown > .nav-link .chevron {
    display: none;
  }

  .submenu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 54px;
    min-height: 54px;
    padding: 0;
    border: 0;
    border-left: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-primary);
  }

  .submenu-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform var(--duration-base) var(--ease-out);
  }

  .has-dropdown.is-open > .submenu-toggle svg {
    transform: rotate(180deg);
  }

  .dropdown,
  .has-dropdown:hover > .dropdown,
  .has-dropdown:focus-within > .dropdown {
    position: static;
    flex: 0 0 100%;
    display: none;
    min-width: 0;
    padding: 0 0 var(--space-xs);
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: var(--color-bg-alt);
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
  }

  .has-dropdown.is-open > .dropdown {
    display: block;
    transform: none;
  }

  .dropdown a {
    padding: 0.65rem var(--space-lg) 0.65rem calc(var(--space-lg) + var(--space-md));
  }

  .nav-drawer__extra {
    display: grid;
    gap: var(--space-md);
    margin-top: auto;
    padding: var(--space-lg);
    background: var(--color-bg-alt);
    font-size: var(--fs-sm);
  }

  .nav-drawer__extra .lang-switch {
    font-size: var(--fs-base);
  }

  .nav-drawer__extra .btn {
    width: 100%;
  }

  .nav-drawer__contact {
    display: grid;
    gap: var(--space-xs);
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .nav-drawer__contact a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text);
  }

  .nav-drawer__contact svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
  }
}

@media (max-width: 767px) {
  :root {
    --header-top-h: 72px;
    --header-top-h-scrolled: 60px;
  }

  .brand img {
    height: 52px;
  }

  .site-header.is-scrolled .brand img {
    height: 44px;
  }
}

/* ==========================================================================
   Page banner
   ========================================================================== */
.page-banner {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: clamp(200px, 19vw, 365px);
  padding-block: var(--space-2xl);
  color: var(--color-white);
  background: var(--color-primary-dark);
  overflow: hidden;
}

.page-banner__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(10, 40, 70, 0.9) 0%, rgba(10, 40, 70, 0.66) 55%, rgba(10, 40, 70, 0.4) 100%);
}

.page-banner__title {
  max-width: 900px;
  margin: var(--space-sm) 0 0;
  color: var(--color-white);
  font-size: var(--fs-2xl);
}

.page-banner--article {
  min-height: clamp(150px, 12vw, 230px);
}

.page-banner__subtitle {
  max-width: 760px;
  margin: var(--space-sm) 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: var(--fs-md);
}

/* ==========================================================================
   Sections & grids
   ========================================================================== */
.section {
  padding-block: var(--space-3xl);
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--tight {
  padding-block: var(--space-2xl);
}

.section-head {
  max-width: 780px;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

.section-head--left {
  margin-left: 0;
  text-align: left;
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-xs);
  color: var(--color-accent-dark);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.section-title {
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 56px;
  height: 3px;
  background: var(--color-accent);
  transform: translateX(-50%);
}

.section-head--left .section-title::after {
  left: 0;
  transform: none;
}

.section-lead {
  color: var(--color-text-muted);
  font-size: var(--fs-md);
}

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: var(--space-3xl);
}

.split--reverse > :first-child {
  order: 2;
}

.layout-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-w);
  align-items: start;
  gap: var(--space-2xl);
}

.layout-sidebar__aside {
  position: sticky;
  top: calc(var(--header-top-h-scrolled) + var(--nav-h) + var(--space-lg));
  display: grid;
  gap: var(--space-lg);
}

@media (max-width: 1099px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .layout-sidebar {
    grid-template-columns: minmax(0, 1fr);
  }

  .layout-sidebar__aside {
    position: static;
  }

  html {
    scroll-padding-top: calc(var(--header-top-h-scrolled) + 16px);
  }
}

@media (max-width: 900px) {
  .split {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2xl);
  }

  .split--reverse > :first-child {
    order: 0;
  }
}

@media (max-width: 767px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid {
    gap: var(--space-lg);
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: var(--color-bg-dark);
  font-size: var(--fs-sm);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: var(--space-2xl);
  padding-block: var(--space-3xl) var(--space-2xl);
}

.footer-brand img {
  width: 220px;
  height: auto;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
}

.footer-heading {
  margin-bottom: var(--space-md);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  letter-spacing: 0.04em;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: var(--space-xs);
}

.footer-links a,
.footer-contact a {
  color: rgba(255, 255, 255, 0.78);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-accent);
}

.footer-contact {
  display: grid;
  gap: var(--space-sm);
  margin: 0 0 var(--space-lg);
  padding: 0;
  list-style: none;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.footer-contact svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 0.3em;
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm) var(--space-xl);
  padding-block: var(--space-lg);
  font-size: var(--fs-xs);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.78);
}

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

.footer-legal {
  display: flex;
  gap: var(--space-sm);
}

@media (max-width: 1099px) {
  .footer-main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .footer-main {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-xl);
  }

  .footer-bottom__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}