/* Menu bar, shared by every page. Colours are the :root tokens each page already defines; icons are symbols in /icons.svg. */
html { scroll-padding-top: 72px; }
.site-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.6rem;
  padding: 0.65rem clamp(1rem, 4vw, 2rem);
  background: rgba(10,10,26,0.85); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(108,92,231,0.25);
  font-family: 'Inter', sans-serif; text-align: left;
}
.site-nav-brand {
  margin-right: auto; text-decoration: none; color: var(--lavender);
  font-family: 'Orbitron', sans-serif; font-weight: 900; font-size: 1.15rem; letter-spacing: 3px;
  text-shadow: 0 0 20px rgba(108,92,231,0.5);
}
.site-nav-brand span { color: var(--pink); }
.site-nav svg { width: 18px; height: 18px; fill: currentColor; display: block; }
.site-nav-link {
  color: #e0e0f0; text-decoration: none; padding: 0.4rem 0;
  font-family: 'Orbitron', sans-serif; font-size: 0.72rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
}
.site-nav-link:hover, .site-nav-link[aria-current="page"] { color: var(--cyan); }
.site-nav-social { display: flex; flex-wrap: wrap; gap: 0.15rem; }
.site-nav-social a { display: flex; padding: 7px; border-radius: 8px; color: var(--iris); transition: color 0.2s ease, background 0.2s ease; }
.site-nav-social a:hover { color: #fff; background: rgba(157,140,255,0.15); }
.site-nav-cta {
  padding: 8px 18px; border-radius: 999px; text-decoration: none; color: #fff; text-align: center;
  background: rgba(255,51,102,0.15); border: 1px solid rgba(255,51,102,0.6);
  font-family: 'Orbitron', sans-serif; font-size: 0.7rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
}
.site-nav-cta:hover { background: rgba(255,51,102,0.3); border-color: var(--pink); }
.site-nav a:focus-visible, .site-nav-toggle:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.site-nav-toggle { display: flex; padding: 7px; border: 1px solid rgba(157,140,255,0.35); border-radius: 8px; background: none; color: var(--lavender); cursor: pointer; }
.site-nav-toggle svg { width: 22px; height: 22px; }

/* Phones: the menu is a native popover under the bar (closes on Esc and outside click, no script) */
.site-nav-menu:popover-open {
  display: flex; flex-direction: column; align-items: flex-start; gap: 1rem;
  inset: 64px 12px auto auto; margin: 0; width: min(280px, calc(100vw - 24px)); padding: 1.2rem;
  background: #12122b; color: inherit; border: 1px solid rgba(108,92,231,0.4); border-radius: 14px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}
.site-nav-menu:popover-open .site-nav-social { margin-left: -7px; }

/* Wide screens: the same element sits inline in the bar and the toggle goes away */
@media (min-width: 900px) {
  .site-nav-toggle { display: none; }
  .site-nav-menu {
    display: flex; align-items: center; gap: 1.6rem;
    position: static; inset: auto; width: auto; height: auto; margin: 0; padding: 0; overflow: visible;
    background: none; color: inherit; border: 0;
  }
}

/* Self-hosted Google Fonts (Inter, Orbitron; SIL Open Font License). Variable files, one per subset. */
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400 700; font-display: swap; src: url(/fonts/inter-latin-v20.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400 700; font-display: swap; src: url(/fonts/inter-latin-ext-v20.woff2) format('woff2'); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Orbitron'; font-style: normal; font-weight: 700 900; font-display: swap; src: url(/fonts/orbitron-latin-v35.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }