@font-face {
  font-family: "Amaranth";
  src: url("/assets/fonts/Amaranth-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Amaranth";
  src: url("/assets/fonts/Amaranth-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* Shared defaults — override in page <style> :root */
:root {
  --text: #0062a8;
  --text-soft: #2a4f66;
  --line: #d7e4ec;
  --shadow: 0 24px 60px rgba(42, 79, 102, 0.12);
  --font-body: "Amaranth", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --foot-padding: 0 0 2.6rem;
  /* nav theming — warm defaults; cool subpages override */
  --topbar-bg: rgba(253, 251, 248, 0.92);
  --topbar-border: rgba(215, 228, 236, 0.9);
  --menu-toggle-bg: rgba(253, 251, 248, 0.94);
  --menu-panel-bg: rgba(253, 251, 248, 0.98);
  --nav-link-hover: #129ad6;
  --indicator-color: #129ad6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(calc(100% - 2rem), var(--content));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--topbar-bg);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--topbar-border);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 96px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}

.brand img {
  flex: 0 0 auto;
  width: 104px;
  height: auto;
  max-width: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.8rem;
}

.internal-indicator {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.65rem;
  border: 1px solid rgba(18, 154, 214, 0.28);
  border-radius: 999px;
  background: rgba(18, 154, 214, 0.08);
  color: var(--indicator-color);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.internal-indicator.is-visible {
  display: inline-flex;
}

.menu-primary {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(0, 98, 168, 0.14);
  border-radius: 999px;
  background: var(--menu-toggle-bg);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle-icon {
  font-size: 1.35rem;
  line-height: 1;
}

.menu-primary a,
.back-link {
  font-size: 0.92rem;
  font-weight: 600;
}

.menu-primary a:hover,
.menu-primary a:focus-visible,
.back-link:hover,
.back-link:focus-visible,
.menu-panel a:hover,
.menu-panel a:focus-visible,
.link:hover,
.link:focus-visible {
  color: var(--nav-link-hover);
}

.menu-panel {
  position: absolute;
  top: calc(100% - 0.1rem);
  right: 0;
  width: min(320px, calc(100vw - 2rem));
  display: none;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--menu-panel-bg);
  box-shadow: var(--shadow);
}

.menu-panel.is-open {
  display: grid;
}

.menu-panel a {
  display: block;
  padding: 0.75rem 0.85rem;
  border-radius: 16px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.menu-panel a:hover,
.menu-panel a:focus-visible {
  background: rgba(18, 154, 214, 0.08);
}

.foot {
  padding: var(--foot-padding);
  font-size: 0.92rem;
}

.foot-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 720px) {
  .nav {
    padding: 1rem 0;
  }

  .internal-indicator {
    font-size: 0.68rem;
    padding: 0.18rem 0.55rem;
  }

  .menu-primary {
    display: none;
  }

  .menu-panel {
    left: 0;
    right: 0;
    width: auto;
  }
}