.app {
  position: relative;
  z-index: 1;
  flex: 1 0 auto;
  width: 100%;
  max-width: 100%;
  min-height: 100%;
  min-height: 100dvh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
}

/* Header */
.header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 0.75rem 1.5rem;
  min-height: var(--header-h);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px) saturate(1.3);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
  justify-self: start;
  grid-column: 1;
}

.header .site-nav {
  justify-self: center;
  grid-column: 2;
  justify-content: center;
}

.header .header-search {
  grid-column: 3;
  justify-self: end;
}

.header .nav-toggle {
  justify-self: end;
  grid-column: 3;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  filter: drop-shadow(0 0 12px var(--accent-glow));
  transition: transform 0.3s var(--ease);
}

.brand:hover .brand-mark {
  transform: scale(1.04) rotate(-2deg);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text .site-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--ems) 0%, var(--ems-mid) 55%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-text p:not(.site-title) {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ems);
}

.nav-toggle:hover {
  background: var(--surface-hover);
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.site-nav > a,
.nav-dropdown-toggle {
  font-family: var(--font);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: normal;
  color: var(--text-muted);
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}

.site-nav > a:hover,
.nav-dropdown-toggle:hover {
  color: var(--text);
  background: var(--surface);
}

.site-nav > a[aria-current="page"],
.nav-dropdown.is-active > .nav-dropdown-toggle,
.nav-dropdown-panel a[aria-current="page"] {
  color: var(--ems);
  background: var(--cyan-dim);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
  border: none;
  background: transparent;
  /* Keep same type style as .site-nav > a (do not use font: inherit — it resets size/weight) */
  font-family: var(--font);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: normal;
  color: var(--text-muted);
}

.nav-dropdown-toggle .chevron {
  width: 12px;
  height: 12px;
  transition: transform 0.2s var(--ease);
  opacity: 0.75;
}

.nav-dropdown.is-open > .nav-dropdown-toggle .chevron,
.nav-dropdown:hover > .nav-dropdown-toggle .chevron {
  transform: rotate(180deg);
}

.nav-dropdown-panel {
  display: none;
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 12.5rem;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 60;
}

.nav-dropdown.is-open > .nav-dropdown-panel {
  display: block;
}

/* Desktop: open on hover when not touch-primary */
@media (hover: hover) and (pointer: fine) {
  .nav-dropdown:hover > .nav-dropdown-panel,
  .nav-dropdown:focus-within > .nav-dropdown-panel {
    display: block;
  }
}

.nav-dropdown-panel a {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.55rem 0.75rem;
  border-radius: 9px;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.nav-dropdown-panel a:hover {
  color: var(--text);
  background: var(--surface);
}

.site-nav > a:focus-visible,
.nav-dropdown-toggle:focus-visible,
.nav-dropdown-panel a:focus-visible,
.nav-toggle:focus-visible,
.brand:focus-visible {
  outline: 2px solid var(--ems-mid);
  outline-offset: 2px;
}

/* Main */
.main {
  flex: 1;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.main-narrow {
  max-width: 760px;
}

/* Footer — standard multi-column site footer */
.site-footer {
  margin-top: auto;
  flex-shrink: 0;
  width: 100%;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 40%);
  color: var(--text);
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.footer-brand {
  max-width: 280px;
}

.footer-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.footer-brand-link img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.footer-brand-link span {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--ems) 0%, var(--ems-mid) 55%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 0.9rem;
}

.footer-back-top {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ems-mid);
  padding: 0.35rem 0;
  transition: color 0.15s, gap 0.15s;
}

.footer-back-top:hover {
  color: var(--ems);
  gap: 0.5rem;
}

.footer-col h2 {
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.footer-col a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s;
}

.footer-col a:hover {
  color: var(--ems);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.65rem 1.5rem;
  padding: 1.15rem 0 calc(0.35rem + env(safe-area-inset-bottom, 0px));
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.45;
}

.footer-notice {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.45;
  max-width: 42rem;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem 1.5rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: none;
  }
}

@media (max-width: 560px) {
  .footer-inner {
    padding: 2rem 1.1rem 1.25rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 1.25rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

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

/* Mobile nav */
@media (max-width: 900px) {
  .header {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand toggle"
      "search search"
      "nav nav";
    padding: 0.75rem 1rem;
  }

  .header-left {
    grid-area: brand;
    justify-self: start;
  }

  .nav-toggle {
    display: grid;
    grid-area: toggle;
    justify-self: end;
  }

  .header-search {
    grid-area: search;
    justify-self: stretch;
    max-width: none;
    width: 100%;
  }

  .site-nav {
    display: none;
    grid-area: nav;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0.25rem;
    padding: 0.5rem 0 0.25rem;
    border-top: 1px solid var(--border);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav > a,
  .nav-dropdown-toggle {
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius-xs);
    width: 100%;
    justify-content: space-between;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown-panel {
    position: static;
    display: none;
    min-width: 0;
    margin: 0.15rem 0 0.35rem;
    box-shadow: none;
    border: 1px solid var(--border);
    background: var(--surface);
  }

  .nav-dropdown.is-open > .nav-dropdown-panel {
    display: block;
  }

  .nav-dropdown-panel a {
    padding: 0.6rem 0.9rem 0.6rem 1.15rem;
  }

  .main {
    padding: 1.5rem 1.1rem 2.5rem;
    gap: 2rem;
  }
}