@font-face {
  font-family: 'Amoresa';
  src: url('Fonts/Amoresa/Amoresa/Amoresa Regular.woff2') format('woff2'),
       url('Fonts/Amoresa/Amoresa/Amoresa Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  src: url('Fonts/Be_Vietnam_Pro/BeVietnamPro-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  src: url('Fonts/Be_Vietnam_Pro/BeVietnamPro-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Blacker Sans Text';
  src: url('Fonts/blacker-sans-text-regular/Blacker Sans Text Regular/Blacker Sans Text Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #fff9f3;
  --ink: #0f172a;
  --heading: #35278e;
  --accent: #b5bedf;
  --accent-soft: rgba(181, 190, 223, 0.14);
  --border: rgba(181, 190, 223, 0.32);
  --text-muted: #64748b;
  --font-heading: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Blacker Sans Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --brand-mark: #e97768;
  --brand-mark-ink: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*, *::before, *::after {
  box-shadow: none !important;
  text-shadow: none !important;
  filter: none !important;
}

html, body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

.site-announcement {
  width: 100%;
  max-width: 100%;
  border-bottom: 1px solid rgba(162, 177, 255, 0.45);
  background: #ffdb70;
  color: #35278e;
  overflow: hidden;
  white-space: nowrap;
}

.site-announcement-track {
  display: block;
  padding: 0.28rem 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  text-align: center;
  color: #020041;
}

.site-announcement-accent {
  color: #35278e;
}

.topbar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.45rem 2.15rem 0.7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  position: relative;
}

.topbar::before {
  content: "";
  position: absolute;
  bottom: 0.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(100vw, 2000px);
  height: 22px;
  background:
    linear-gradient(#72a9ff, #72a9ff) left center / calc(50% - 18px) 3px no-repeat,
    linear-gradient(#72a9ff, #72a9ff) right center / calc(50% - 18px) 3px no-repeat;
}

.topbar::after {
  content: "";
  position: absolute;
  bottom: 0.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 18px;
  background: #ffdb70;
  clip-path: polygon(50% 0%, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0% 50%, 38% 38%);
  box-shadow: none;
}

.brand,
.article-brand,
.tout-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.95rem;
  color: var(--heading);
  font-weight: 700;
  font-size: 1rem;
  font-family: var(--font-heading);
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark,
.article-brand .brand-mark,
.tout-brand .brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
  background: transparent;
  border: 0;
  box-shadow: none;
  overflow: visible;
  flex: 0 0 auto;
}

.brand-mark img {
  display: block;
  width: 5.5rem;
  height: auto;
  object-fit: contain;
  object-position: center;
  image-rendering: auto;
  margin-left: -2rem;
}

.nav-links {
  display: flex;
  gap: 1.65rem;
  flex-wrap: wrap;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  color: var(--heading);
  text-decoration: none;
  font-weight: 600;
  padding: 0.35rem 0 0.4rem;
  border-radius: 0;
  border: none;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.nav-links > * + *::before {
  content: none;
}

.nav-links a:hover,
.nav-links a[aria-current='page'] {
  background: transparent;
  border-color: transparent;
  box-shadow: inset 0 -2px 0 var(--accent);
}

.nav-item-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.35rem 0 0.15rem;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.nav-item-dropdown:hover {
  background: rgba(162, 177, 255, 0.15);
  border-color: rgba(162, 177, 255, 0.45);
}

.nav-item-dropdown .nav-parent {
  padding: 0;
  border: none;
  background: transparent;
}

.nav-item-dropdown .nav-parent:hover {
  background: transparent;
  border-color: transparent;
}

.dropdown-caret {
  margin-left: 0.35rem;
  font-size: 0.75rem;
  opacity: 0.7;
}

.dropdown-toggle {
  border: none;
  background: transparent;
  color: var(--heading);
  border-radius: 999px;
  padding: 0 0.2rem;
  margin-left: 0.2rem;
  cursor: pointer;
  line-height: 1;
}

.dropdown-toggle:hover {
  background: rgba(162, 177, 255, 0.15);
  border-color: rgba(162, 177, 255, 0.45);
}

.nav-submenu {
  position: absolute;
  top: calc(100% - 0.05rem);
  left: -0.7rem;
  --rail-x: 0.55rem;
  --star-size: 12px;
  min-width: 260px;
  background: var(--bg);
  border: none;
  border-radius: 0.8rem;
  padding: 0.45rem 0.45rem 0.45rem 1.2rem;
  z-index: 1300;
  box-shadow: none;
  opacity: 0;
  transform: translateY(-6px);
  max-height: 0;
  overflow: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease, max-height 0.22s ease;
}

.nav-submenu::before {
  content: "";
  position: absolute;
  left: var(--rail-x);
  top: 0.65rem;
  bottom: 0.65rem;
  width: 2px;
  border-radius: 999px;
  background: #72a9ff;
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.24s ease;
}

.nav-submenu::after {
  content: "";
  position: absolute;
  left: var(--rail-x);
  bottom: 0.28rem;
  width: var(--star-size);
  height: var(--star-size);
  background: #ffdb70;
  clip-path: polygon(50% 0%, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0% 50%, 38% 38%);
  opacity: 0;
  transform: translateX(-50%) scale(0.7);
  transform-origin: center;
  filter: drop-shadow(0 0 4px rgba(255, 219, 112, 0.55));
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.nav-item-dropdown.is-open .nav-submenu {
  opacity: 1;
  transform: translateY(0);
  max-height: 18rem;
  pointer-events: auto;
}

.nav-item-dropdown.is-open .nav-submenu::before {
  transform: scaleY(1);
}

.nav-item-dropdown.is-open .nav-submenu::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.nav-submenu a {
  display: block;
  color: var(--heading);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.4rem 0.55rem;
  border-radius: 0.55rem;
}

.nav-submenu a::before {
  content: none !important;
}

.nav-submenu a:hover {
  background: rgba(162, 177, 255, 0.15);
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid rgba(162, 177, 255, 0.5);
  background: rgba(255, 255, 255, 0.72);
  color: var(--heading);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-weight: 700;
  cursor: pointer;
}

.nav-links a:hover {
  background: transparent;
  border-color: transparent;
}

@media (max-width: 900px) {
  .site-announcement-track {
    font-size: 0.72rem;
    padding: 0.22rem 0;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-links.nav-menu {
    position: absolute;
    top: calc(100% + 0.35rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    gap: 0.35rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 0.9rem;
    padding: 0.65rem 0.65rem 1.5rem;
    z-index: 1200;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
  }

  .nav-links.nav-menu.is-open {
    display: flex;
  }

  .nav-links.nav-menu > * + *::before {
    content: none;
  }

  .nav-links.nav-menu .nav-item-dropdown {
    display: block;
  }

  .nav-links.nav-menu .nav-parent {
    width: 100%;
    justify-content: flex-start;
  }

  .nav-links.nav-menu .dropdown-toggle {
    margin-left: 0.25rem;
  }

  .nav-links.nav-menu .nav-submenu {
    --rail-x: 0.2rem;
    --star-size: 10px;
    position: static;
    min-width: 0;
    margin-top: 0.25rem;
    border: none;
    box-shadow: none;
    padding: 0.2rem 0 0.35rem 1rem;
    border-left: none;
    background: transparent;
  }

  .nav-links.nav-menu .nav-submenu::before {
    left: 0.2rem;
    top: 0.3rem;
    bottom: 0.3rem;
  }

  .nav-links.nav-menu .nav-submenu::after {
    bottom: 0.14rem;
  }

  .nav-links.nav-menu::before {
    content: "";
    position: absolute;
    bottom: 0.35rem;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 1.2rem);
    height: 20px;
    background:
      linear-gradient(#72a9ff, #72a9ff) left center / calc(50% - 15px) 1px no-repeat,
      linear-gradient(#72a9ff, #72a9ff) right center / calc(50% - 15px) 1px no-repeat;
  }

  .nav-links.nav-menu::after {
    content: "";
    position: absolute;
    bottom: 0.25rem;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 18px;
    background: #72a9ff;
    clip-path: polygon(50% 0%, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0% 50%, 38% 38%);
  }
}

@media (max-width: 960px) {
  .topbar {
    flex-wrap: wrap;
    padding: 0.45rem 1rem 0.7rem;
  }
}

header.article-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 3rem 0.7rem;
  background-color: var(--bg);
  position: sticky;
  top: 0;
  z-index: 1000;
  flex-wrap: wrap;
  gap: 1rem;
}

header.article-topbar::before {
  content: "";
  position: absolute;
  bottom: 0.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(100vw, 2000px);
  height: 22px;
  background:
    linear-gradient(#72a9ff, #72a9ff) left center / calc(50% - 18px) 1px no-repeat,
    linear-gradient(#72a9ff, #72a9ff) right center / calc(50% - 18px) 1px no-repeat;
}

header.article-topbar::after {
  content: "";
  position: absolute;
  bottom: 0.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 18px;
  background: #ffdb70;
  clip-path: polygon(50% 0%, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0% 50%, 38% 38%);
  box-shadow: none;
}

.article-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.article-nav a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--heading);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.35rem 0.1rem 0.4rem;
  border-radius: 0;
  border: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.article-nav > * + *::before {
  content: none;
}

.article-nav a:hover,
.article-nav a[aria-current='page'] {
  background: transparent;
  border-color: transparent;
  box-shadow: inset 0 -2px 0 var(--accent);
}

.article-nav .nav-item-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.45rem 0.5rem 0.45rem 0.8rem;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.article-nav .nav-item-dropdown:hover {
  background: rgba(162, 177, 255, 0.15);
  border-color: rgba(162, 177, 255, 0.45);
}

.article-nav .nav-item-dropdown .nav-parent {
  padding: 0;
  border: none;
  background: transparent;
}

.article-nav .nav-item-dropdown .nav-parent:hover {
  background: transparent;
  border-color: transparent;
}

.article-nav .dropdown-caret {
  margin-left: 0.35rem;
  font-size: 0.75rem;
  opacity: 0.7;
}

.article-nav .dropdown-toggle {
  border: none;
  background: transparent;
  color: var(--heading);
  border-radius: 999px;
  padding: 0 0.2rem;
  margin-left: 0.2rem;
  cursor: pointer;
  line-height: 1;
}

.article-nav .dropdown-toggle:hover {
  background: rgba(162, 177, 255, 0.15);
  border-color: rgba(162, 177, 255, 0.45);
}

.article-nav .nav-submenu {
  display: none;
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  --rail-x: 0.55rem;
  --star-size: 12px;
  min-width: 260px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0.45rem 0.45rem 0.45rem 1.3rem;
  z-index: 1300;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.article-nav .nav-submenu::before {
  content: "";
  position: absolute;
  left: var(--rail-x);
  top: 0.65rem;
  bottom: 0.65rem;
  width: 2px;
  border-radius: 999px;
  background: #72a9ff;
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.24s ease;
}

.article-nav .nav-submenu::after {
  content: "";
  position: absolute;
  left: var(--rail-x);
  bottom: 0.28rem;
  width: var(--star-size);
  height: var(--star-size);
  background: #ffdb70;
  clip-path: polygon(50% 0%, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0% 50%, 38% 38%);
  opacity: 0;
  transform: translateX(-50%) scale(0.7);
  transform-origin: center;
  filter: drop-shadow(0 0 4px rgba(255, 219, 112, 0.55));
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.article-nav .nav-item-dropdown.is-open .nav-submenu {
  display: block;
}

.article-nav .nav-item-dropdown.is-open .nav-submenu::before {
  transform: scaleY(1);
}

.article-nav .nav-item-dropdown.is-open .nav-submenu::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.article-nav .nav-submenu a {
  display: block;
  color: var(--heading);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.4rem 0.55rem;
  border-radius: 0.55rem;
}

.article-nav .nav-submenu a::before {
  content: none !important;
}

.article-nav .nav-submenu a:hover {
  background: rgba(162, 177, 255, 0.15);
}

.article-nav a:hover {
  color: var(--heading);
  background: transparent;
  border-color: transparent;
}

/* Visual calm mode */
.topbar::before,
header.article-topbar::before,
.topbar::after,
header.article-topbar::after {
  opacity: 0.68;
}

.nav-submenu,
.article-nav .nav-submenu {
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.05);
}

@media (max-width: 900px) {
  .article-nav.nav-menu {
    position: absolute;
    top: calc(100% + 0.35rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    gap: 0.35rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 0.9rem;
    padding: 0.65rem 0.65rem 1.5rem;
    z-index: 1200;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
  }

  .article-nav.nav-menu.is-open {
    display: flex;
  }

  .article-nav.nav-menu > * + *::before {
    content: none;
  }

  .article-nav.nav-menu .nav-item-dropdown {
    display: block;
  }

  .article-nav.nav-menu .nav-parent {
    width: 100%;
    justify-content: flex-start;
  }

  .article-nav.nav-menu .dropdown-toggle {
    margin-left: 0.25rem;
  }

  .article-nav.nav-menu .nav-submenu {
    --rail-x: 0.2rem;
    --star-size: 10px;
    position: static;
    min-width: 0;
    margin-top: 0.25rem;
    border: none;
    box-shadow: none;
    padding: 0.2rem 0 0.35rem 1rem;
    border-left: none;
    background: transparent;
  }

  .article-nav.nav-menu .nav-submenu::before {
    left: 0.2rem;
    top: 0.3rem;
    bottom: 0.3rem;
  }

  .article-nav.nav-menu .nav-submenu::after {
    bottom: 0.14rem;
  }

  .article-nav.nav-menu::before {
    content: "";
    position: absolute;
    bottom: 0.35rem;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 1.2rem);
    height: 20px;
    background:
      linear-gradient(#72a9ff, #72a9ff) left center / calc(50% - 15px) 1px no-repeat,
      linear-gradient(#72a9ff, #72a9ff) right center / calc(50% - 15px) 1px no-repeat;
  }

  .article-nav.nav-menu::after {
    content: "";
    position: absolute;
    bottom: 0.25rem;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 18px;
    background: #ffdb70;
    clip-path: polygon(50% 0%, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0% 50%, 38% 38%);
  }
}

@media (max-width: 768px) {
  header.article-topbar {
    padding: 0.45rem 1.5rem 0.7rem;
    flex-direction: column;
    align-items: flex-start;
  }
  
  .article-nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 1rem;
  }
}