/* ScaleSiam — the site header, shared by every page that shows it.
   Self-contained: it brings its own tokens, type and button styles so
   it renders the same whatever the host page's stylesheet does.
   Behaviour lives in site-header.js. */
.site-header {
  --header-ink: #172238;
  --header-ink-soft: #626b79;
  --header-paper: #fafaf7;
  --header-line: #dce0e6;
  --header-accent: #475bbe;
  --header-ease: cubic-bezier(0.23, 1, 0.32, 1);
  --header-spring: linear(
    0, 0.0407 5%, 0.1331 10%, 0.2464 15%, 0.3627 20%,
    0.472 25%, 0.5697 30%, 0.6541 35%, 0.7253 40%,
    0.7842 45%, 0.8324 50%, 0.8712 55%, 0.9023 60%,
    0.927 65%, 0.9465 70%, 0.9618 75%, 0.9737 80%,
    0.983 85%, 0.9902 90%, 0.9957 95%, 1
  );
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 16px 24px 0;
  background: transparent;
  color: var(--header-ink);
  font-family: Anuphan, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: -0.002em;
  -webkit-font-smoothing: auto;
}
html[lang="th"] .site-header {
  line-height: 1.7;
  letter-spacing: 0;
  line-break: loose;
  overflow-wrap: break-word;
}
.site-header a {
  color: inherit;
}
.site-header button {
  font-family: inherit;
  line-height: normal;
}
.site-header a:focus-visible,
.site-header button:focus-visible {
  outline: 2px solid var(--header-accent);
  outline-offset: 3px;
  border-radius: 6px;
}
.site-header .btn,
.site-header .nav-link,
.site-header .menu-toggle,
.site-header .site-lang button,
.site-header .wordmark {
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.site-header .header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  max-width: 1344px;
  margin: 0 auto;
  padding: 0 24px;
  border: 1px solid #e3e5e8cc;
  border-radius: 20px;
  background: #fffffff2;
  box-shadow: 0 7px 30px #1b294208;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Brand mark */
.site-header .wordmark,
html[lang="th"] .site-header .wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--header-ink);
  font-family: Syne, Anuphan, sans-serif;
  font-weight: 750;
  font-size: 24px;
  letter-spacing: -1.25px;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  transition: opacity 160ms var(--header-ease);
}
.site-header .brand-symbol {
  flex: none;
  width: 29px;
  height: 29px;
  color: #5665ba;
}
.site-header .brand-dot {
  color: #6b79c0;
}

/* Desktop navigation */
.site-header .site-nav {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
  margin-right: 18px;
}
.site-header .nav-item {
  position: relative;
}
.site-header .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 10px 13px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--header-ink-soft);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: color 160ms var(--header-ease), background-color 160ms var(--header-ease);
}
html[lang="th"] .site-header .nav-link {
  font-size: 13px;
}
.site-header .nav-link[aria-current="page"] {
  color: var(--header-ink);
}
.site-header .nav-menu-button .chev {
  transition: transform 220ms var(--header-ease);
}
.site-header .nav-menu-button[aria-expanded="true"] .chev {
  transform: rotate(180deg);
}

/* Services menu */
.site-header .nav-menu {
  position: absolute;
  top: calc(100% + 22px);
  left: -160px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  width: 670px;
  padding: 12px;
  border: 1px solid #e2e5eb;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 24px 80px #17223824;
  transform-origin: 24px 0;
  transition: opacity 180ms var(--header-ease), transform 180ms var(--header-ease);
}
.site-header .nav-menu[hidden] {
  display: none;
}
.site-header .nav-menu.closing {
  opacity: 0;
  transform: scale(0.97) translateY(-4px);
}
@starting-style {
  .site-header .nav-menu:not([hidden]) {
    opacity: 0;
    transform: scale(0.97) translateY(-4px);
  }
}
.site-header .nav-menu a {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 15px;
  min-height: 120px;
  padding: 22px 16px;
  border-radius: 14px;
  text-decoration: none;
  transition: background-color 140ms var(--header-ease);
}
.site-header .nav-service-copy {
  display: grid;
  gap: 7px;
  padding-right: 10px;
}
.site-header .nav-menu-name {
  font-family: Syne, Anuphan, sans-serif;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.025em;
}
html[lang="th"] .site-header .nav-menu-name {
  font-family: Anuphan, sans-serif;
  letter-spacing: 0;
}
.site-header .nav-menu-desc {
  color: #737c8b;
  font-size: 12px;
  line-height: 1.6;
}
.site-header .nav-service-icon {
  display: grid;
  place-items: center;
  flex: 0 0 40px;
  width: 40px;
  height: 42px;
  border-radius: 11px;
  background: #eeecfc;
}
.site-header .nav-service-icon svg {
  width: 23px;
  height: 23px;
}
.site-header .service-icon-2 {
  background: #f6e8df;
}
.site-header .service-icon-3 {
  background: #e7efe8;
}
.site-header .nav-service-arrow {
  position: absolute;
  top: 24px;
  right: 14px;
  color: #a4adba;
  font-size: 14px;
}

/* Actions: language, enquiry, mobile menu toggle */
.site-header .header-actions {
  display: flex;
  align-items: center;
  gap: 13px;
}
.site-header .site-lang {
  display: inline-flex;
  align-items: stretch;
  flex: 0 0 auto;
  min-height: 38px;
  padding: 3px;
  border: 1px solid #e4e6eb;
  border-radius: 10px;
  background: #f3f4f7;
}
.site-header .site-lang button {
  min-width: 38px;
  min-height: 36px;
  padding: 0 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--header-ink-soft);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background-color 160ms var(--header-ease), color 160ms var(--header-ease);
}
.site-header .site-lang button[lang="th"] {
  font-family: Anuphan, sans-serif;
  font-size: 12px;
  letter-spacing: 0;
}
.site-header .site-lang button[aria-pressed="true"] {
  background: #fff;
  color: var(--header-ink);
  box-shadow: 0 1px 4px #18223818, 0 0 0 1px #e3e6ec;
}
.site-header .site-lang button:active {
  transform: scale(0.97);
}
.site-header .site-lang button:focus-visible {
  outline-offset: -2px;
  border-radius: 0;
}

/* One sliding pill instead of a per-button background, like the pricing
   category switcher. It only transitions once site-header.js sets
   data-motion, so the initial language never slides in on load. */
@supports selector(:has(*)) {
  .site-header .site-lang {
    position: relative;
    isolation: isolate;
    display: inline-grid;
    grid-template-columns: 1fr 1fr;
  }
  .site-header .site-lang::before {
    content: "";
    position: absolute;
    inset-block: 3px;
    left: 3px;
    width: calc((100% - 6px) / 2);
    border-radius: 7px;
    background: #fff;
    box-shadow: 0 1px 4px #18223818, 0 0 0 1px #e3e6ec;
    pointer-events: none;
    transform: translateX(0);
  }
  .site-header .site-lang:has(button:last-child[aria-pressed="true"])::before {
    transform: translateX(100%);
  }
  .site-header .site-lang[data-motion="on"]::before {
    transition: transform 250ms cubic-bezier(0.77, 0, 0.175, 1);
  }
  .site-header .site-lang button {
    position: relative;
    z-index: 1;
    transition: color 160ms var(--header-ease), transform 160ms var(--header-ease);
  }
  .site-header .site-lang button[aria-pressed="true"] {
    background: transparent;
    box-shadow: none;
  }
}

/* Language switches run inside a view transition: the page crossfades so
   the Thai/English reflow happens under the fade. The switcher is its own
   live layer so its pill keeps sliding instead of ghosting. */
.site-header .site-lang {
  view-transition-name: site-lang;
}
::view-transition-old(root) {
  animation: 140ms cubic-bezier(0.23, 1, 0.32, 1) both site-page-out;
}
::view-transition-new(root) {
  animation: 220ms cubic-bezier(0.23, 1, 0.32, 1) 60ms both site-page-in;
}
::view-transition-old(site-lang) {
  display: none;
}
::view-transition-new(site-lang) {
  animation: none;
}
@keyframes site-page-out {
  to { opacity: 0; }
}
@keyframes site-page-in {
  from { opacity: 0; }
}

.site-header .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 52px;
  padding: 13px 24px;
  border: 0;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 180ms var(--header-ease),
    box-shadow 180ms var(--header-ease),
    background-color 180ms var(--header-ease);
}
.site-header .btn-dark {
  background: linear-gradient(180deg, #34435a, #1b273c);
  color: var(--header-paper);
  box-shadow:
    inset 0 1px 0 #ffffff35,
    0 2px 3px #17223820,
    0 0 0 1px #182338;
}
.site-header .btn-dark::after {
  content: "↗";
  font-size: 18px;
  line-height: 1;
}
.site-header .btn:active {
  transform: scale(0.97);
}
.site-header .btn:focus-visible {
  border-radius: 999px;
}
html[lang="th"] .site-header .btn {
  height: auto;
  line-height: 1.35;
  text-align: center;
  white-space: normal;
}
.site-header .btn-header {
  min-height: 44px;
  padding: 10px 17px;
  border-radius: 12px;
  font-size: 12px;
}

.site-header .menu-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(8, 21, 46, 0.09);
  color: var(--header-ink);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: transform 0.35s var(--header-spring), background-color 160ms var(--header-ease);
}
.site-header .menu-toggle:active {
  transform: scale(0.97);
}

/* Mobile menu */
.site-header .mobile-menu {
  padding: 12px 24px 24px;
  border-top: 1px solid var(--header-line);
  background: var(--header-paper);
  transition: opacity 200ms var(--header-ease), transform 200ms var(--header-ease);
}
.site-header .mobile-menu.closing {
  opacity: 0;
  transform: translateY(-8px);
}
@starting-style {
  .site-header .mobile-menu:not([hidden]) {
    opacity: 0;
    transform: translateY(-8px);
  }
}
.site-header .mobile-menu-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-header .mobile-menu-list a {
  display: flex;
  align-items: center;
  min-height: 52px;
  border-bottom: 1px solid var(--header-line);
  font-family: Syne, Anuphan, sans-serif;
  font-size: 1.25rem;
  text-decoration: none;
}
.site-header .mobile-menu-list a[aria-current="page"] {
  color: var(--header-accent);
  font-style: italic;
}
html[lang="th"] .site-header .mobile-menu-list a {
  font-family: Anuphan, sans-serif;
  letter-spacing: 0;
  overflow: visible;
}
html[lang="th"] .site-header .mobile-menu-list a[aria-current="page"] {
  font-style: normal;
}
.site-header .mobile-menu-heading {
  margin: 20px 0 4px;
  color: var(--header-ink-soft);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
html[lang="th"] .site-header .mobile-menu-heading {
  letter-spacing: 0;
  text-transform: none;
}
.site-header .mobile-menu-sub a {
  min-height: 48px;
  font-family: Anuphan, sans-serif;
  font-size: 1.0625rem;
  font-weight: 500;
}
.site-header .mobile-menu-cta {
  width: 100%;
  margin-top: 20px;
}

@media (hover: hover) and (pointer: fine) {
  .site-header .wordmark:hover {
    opacity: 0.65;
  }
  .site-header .nav-link:hover {
    color: var(--header-ink);
    background: rgba(8, 21, 46, 0.05);
  }
  .site-header .nav-menu a:hover {
    background: #f6f7fa;
  }
  .site-header .site-lang button:hover,
  .site-header .site-lang button[aria-pressed="true"]:hover {
    color: var(--header-ink);
  }
  .site-header .btn-dark:hover {
    background: linear-gradient(#44536e, #293952);
    box-shadow:
      inset 0 1px 0 #ffffff35,
      0 5px 12px #17223824,
      0 0 0 1px #182338;
    transform: translateY(-1px);
  }
}

@media (min-width: 701px) {
  .site-header .nav-menu-desc {
    font-size: 13px;
  }
}

@media (max-width: 1200px) {
  .site-header .header-inner {
    gap: 18px;
    padding: 0 20px;
  }
  .site-header .wordmark,
  html[lang="th"] .site-header .wordmark {
    font-size: 22px;
  }
  .site-header .site-nav {
    margin-right: 0;
  }
  .site-header .nav-link {
    padding: 10px;
    font-size: 12px;
  }
  .site-header .header-actions {
    gap: 9px;
  }
  .site-header .btn-header {
    padding: 10px 13px;
    font-size: 11px;
  }
}

@media (max-width: 1000px) {
  .site-header {
    padding: 12px 18px 0;
  }
  .site-header .header-inner {
    min-height: 68px;
  }
  .site-header .site-nav,
  .site-header .btn-header {
    display: none;
  }
  .site-header .header-actions {
    margin-left: auto;
    gap: 10px;
  }
  .site-header .menu-toggle {
    display: flex;
    padding: 0 13px;
    border-radius: 10px;
    font-size: 12px;
  }
  .site-header .mobile-menu {
    position: absolute;
    top: 88px;
    left: 18px;
    right: 18px;
    max-height: calc(100svh - 106px);
    overflow: auto;
    padding: 22px 26px 26px;
    border: 1px solid #e2e5eb;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 25px 70px #17223825;
  }
  .site-header .mobile-menu-list a {
    min-height: 57px;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.03em;
  }
  .site-header .mobile-menu-list a[aria-current="page"] {
    color: #5869bf;
    font-style: normal;
  }
  html[lang="th"] .site-header .mobile-menu-list a {
    letter-spacing: 0;
  }
  .site-header .mobile-menu-heading {
    font-size: 10px;
  }
  .site-header .mobile-menu-sub {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 18px;
  }
  .site-header .mobile-menu-sub a {
    min-height: 48px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0;
  }
}

@media (max-width: 700px) {
  .site-header {
    padding: 10px 12px 0;
  }
  .site-header .header-inner {
    gap: 8px;
    min-height: 64px;
    padding: 0 12px;
    border-radius: 16px;
  }
  .site-header .wordmark,
  html[lang="th"] .site-header .wordmark {
    gap: 7px;
    font-size: 20px;
    letter-spacing: -1.1px;
  }
  .site-header .brand-symbol {
    width: 23px;
    height: 23px;
  }
  .site-header .header-actions {
    gap: 6px;
  }
  .site-header .site-lang {
    min-height: 36px;
    padding: 2px;
  }
  .site-header .site-lang::before {
    inset-block: 2px;
    left: 2px;
    width: calc((100% - 4px) / 2);
  }
  .site-header .site-lang button {
    min-width: 44px;
    min-height: 44px;
    padding: 0 5px;
  }
  .site-header .site-lang button[lang="th"] {
    font-size: 11px;
  }
  .site-header .menu-toggle {
    justify-content: center;
    width: 38px;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    border: 1px solid #e2e5eb;
    background: transparent;
    box-shadow: none;
  }
  .site-header .menu-toggle-label {
    display: none;
  }
  .site-header .mobile-menu {
    top: 83px;
    left: 12px;
    right: 12px;
  }
  html[lang="th"] .site-header .mobile-menu-list a {
    font-size: 23px;
  }
  html[lang="th"] .site-header .mobile-menu-sub a {
    font-size: 14px;
  }
}

@media (max-width: 430px) {
  .site-header .menu-toggle {
    gap: 6px;
  }
}

@media (max-width: 370px) {
  .site-header .header-inner {
    padding: 0 10px;
  }
  .site-header .wordmark,
  html[lang="th"] .site-header .wordmark {
    gap: 5px;
    font-size: 18px;
  }
  .site-header .brand-symbol {
    width: 20px;
  }
  .site-header .header-actions {
    gap: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header .nav-menu,
  .site-header .mobile-menu {
    transition-duration: 120ms;
  }
  .site-header .btn,
  .site-header .menu-toggle,
  .site-header .site-lang button,
  .site-header .site-lang[data-motion]::before {
    transition: none;
  }
  .site-header .btn:active,
  .site-header .menu-toggle:active,
  .site-header .site-lang button:active {
    transform: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header {
    background: var(--header-paper);
  }
  .site-header .header-inner {
    background: var(--header-paper);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media print {
  .site-header {
    display: none;
  }
}