/* Main-site chrome (nav, footer, base) shared by the blog pages. Mirrors the inline styles on the main pages. */

@font-face { font-family: 'ABCDiatype'; src: url('/fonts/ABCDiatype-Light.ttf') format('truetype'); font-weight: 300; font-display: swap; }
@font-face { font-family: 'ABCDiatype'; src: url('/fonts/ABCDiatype-Medium.ttf') format('truetype'); font-weight: 500; font-display: swap; }

:root { --teal: #41D3F5; --lime: #42FF5F; --border: #e8e8e8; --gray-bg: #f7f7f7; --nav-h: 68px; }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'ABCDiatype', 'Helvetica Neue', Helvetica, Arial, sans-serif; font-weight: 300; background: #fff; color: #000; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
.teal { color: var(--teal); }
::selection { background: var(--teal); color: #000; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 3px; }

/* ============================
   NAV
============================ */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--nav-h); background: rgba(255,255,255,0.94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 48px; height: 100%; display: flex; align-items: center; gap: 40px; }
.nav-logo img { height: 32px; width: auto; }
.nav-links { display: flex; gap: 28px; font-size: 0.9375rem; }
.nav-links a { color: #000; position: relative; white-space: nowrap; }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 1px; background: var(--teal); transition: width 0.2s ease; }
.nav-links a:hover::after { width: 100%; }
.nav-dropdown { position: relative; }
.nav-dropdown-trigger { display: flex; align-items: center; gap: 4px; cursor: pointer; background: none; border: none; font: inherit; font-size: inherit; color: #000; padding: 0; }
.nav-dropdown-trigger svg { width: 10px; height: 10px; transition: transform 0.15s ease; }
.nav-dropdown-panel {
  position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%) translateY(-6px);
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
  padding: 8px; min-width: 180px;
  opacity: 0; visibility: hidden;
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  z-index: 20;
}
.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown:focus-within .nav-dropdown-panel,
.nav-dropdown.open .nav-dropdown-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-dropdown:hover .nav-dropdown-trigger svg,
.nav-dropdown:focus-within .nav-dropdown-trigger svg,
.nav-dropdown.open .nav-dropdown-trigger svg { transform: rotate(180deg); }
.nav-dropdown-item { display: block; padding: 8px 12px; border-radius: 5px; font-size: 0.9375rem; color: #000; }
.nav-dropdown-item:hover { background: rgba(0,0,0,0.04); }
.nav-dropdown-item[aria-disabled="true"] { color: rgba(0,0,0,0.35); cursor: default; pointer-events: none; }
.nav-dropdown-item-note { display: block; font-size: 0.6875rem; color: rgba(0,0,0,0.4); margin-top: 1px; }
.nav-mobile-disabled { display: flex; align-items: center; gap: 6px; font-size: 1.0625rem; color: rgba(0,0,0,0.35); }
.nav-links a.active::after { width: 100%; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 24px; }
.nav-login { font-size: 0.9375rem; color: #000; }
.nav-cta { display: inline-block; background: var(--lime); color: #000; font-family: inherit; font-weight: 500; font-size: 0.9375rem; padding: 9px 20px; border-radius: 6px; border: none; cursor: pointer; transition: opacity 0.15s, box-shadow 0.2s; white-space: nowrap; }
.nav-cta:hover { opacity: 0.9; box-shadow: 0 0 0 3px rgba(66,255,95,0.18); }

.nav-toggle { display: none; margin-left: auto; width: 40px; height: 40px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #000; transition: transform 0.2s ease, opacity 0.2s ease; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile-menu { display: none; flex-direction: column; gap: 20px; position: absolute; top: var(--nav-h); left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 24px 24px 32px; }
.nav-mobile-menu a { font-size: 1.0625rem; color: #000; }
.nav-mobile-menu .nav-cta { text-align: center; padding: 13px 20px; font-size: 1rem; }
.nav-mobile-menu.open { display: flex; }

/* ============================
   FOOTER
============================ */
.ch-footer { background: #000; border-top: 1px solid rgba(255,255,255,0.07); padding: 44px 0; }
.footer-inner { display: flex; align-items: center; flex-wrap: wrap; gap: 48px; }
.footer-nav { display: flex; gap: 28px; font-size: 0.875rem; flex-wrap: wrap; }
.footer-nav a { color: #fff; transition: color 0.15s; }
.footer-nav a:hover { color: rgba(255,255,255,0.7); }
.footer-copy { font-size: 0.8125rem; color: #fff; margin-left: auto; }

@media (max-width: 760px) {
  .nav-inner { padding: 0 24px; }
  .nav-links, .nav-right { display: none; }
  .nav-toggle { display: flex; }
  .container { padding: 0 24px; }
  .footer-copy { margin-left: 0; width: 100%; }
  .footer-inner { gap: 24px; }
}