/* ═══════════════════════════════════════════════════════════
   OPEN FUTURE FORUM · SHARED SITE THEME
   Loaded last on every page. Clean white, navy headings and
   buttons, clear type, consistent spacing, subtle grey borders.
   ═══════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');

:root {
  --navy: #03045E;
  --navy-hover: #02033F;
  --ink-text: #111111;
  --grey-text: #5F6368;
  --grey-border: #E5E7EB;
  --grey-bg: #F7F8FA;
  --font-ui: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --section-y: clamp(72px, 8vw, 112px);
  --nav-h: 72px;
}

html { -webkit-text-size-adjust: 100%; }
body {
  background: #FFFFFF !important;
  color: var(--ink-text);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body::before { display: none !important; }   /* old film-grain overlay */

h1, h2, h3, h4 { color: var(--navy); }
h1 em, h2 em, h3 em, h4 em { color: var(--navy); }
p, li { line-height: 1.7; }
::selection { background: var(--navy); color: #FFFFFF; }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }

/* ─── Buttons: navy primary, navy outline secondary ───────── */
.btn-primary, a.btn-primary, .download-btn, .edition-cta a, a.tier-cta, .tier-cta a, .s-select-cta a.btn-primary {
  background: var(--navy) !important; color: #FFFFFF !important;
  border: 1px solid var(--navy) !important; border-radius: 6px;
  font-family: var(--font-ui) !important; font-weight: 600 !important;
  font-size: 13px !important; letter-spacing: 0.04em !important; text-transform: none !important;
  padding: 14px 26px !important; text-decoration: none !important;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.btn-primary:hover, a.btn-primary:hover, .download-btn:hover, a.tier-cta:hover, .tier-cta a:hover {
  background: var(--navy-hover) !important; border-color: var(--navy-hover) !important; color: #FFFFFF !important;
}
.btn-ghost, a.btn-ghost {
  background: #FFFFFF !important; color: var(--navy) !important;
  border: 1px solid var(--navy) !important; border-radius: 6px;
  font-family: var(--font-ui) !important; font-weight: 600 !important;
  font-size: 13px !important; letter-spacing: 0.04em !important; text-transform: none !important;
  padding: 14px 26px !important; text-decoration: none !important;
  transition: background 0.2s, color 0.2s;
}
.btn-ghost:hover, a.btn-ghost:hover { background: var(--navy) !important; color: #FFFFFF !important; }
.btn-row, .cta-group { gap: 12px !important; flex-wrap: wrap; }

/* ─── Cards, tables, rules: subtle grey borders ───────────── */
.compare-table, .compare-table th, .compare-table td,
.aug-table th, .aug-table td, .article-body table th, .article-body table td { border-color: var(--grey-border) !important; }
.compare-table thead th { background: var(--grey-bg) !important; color: var(--navy) !important; font-family: var(--font-ui) !important; font-weight: 600 !important; font-size: 13px !important; letter-spacing: 0.02em !important; }
hr { border: 0; border-top: 1px solid var(--grey-border); }

/* ─── Article reading comfort ─────────────────────────────── */
.article-body p, .article-body li { font-size: 17px; line-height: 1.75; color: #1F2328; }
.article-body h2 { margin-top: 2.2em; margin-bottom: 0.6em; }
.article-body h3 { margin-top: 1.8em; margin-bottom: 0.5em; }
.article-body a { color: var(--navy); }

/* ═══════════════════════════════════════════════════════════
   TOP NAVIGATION
   ═══════════════════════════════════════════════════════════ */
nav#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  height: var(--nav-h); padding: 0 40px !important;
  display: flex; align-items: center; gap: 28px;
  background: var(--navy) !important;
  border-bottom: 1px solid rgba(255,255,255,0.10) !important;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
  backdrop-filter: none !important;
}
#nav .nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; margin-right: auto; }
#nav .nav-logo img { height: 34px; width: auto; mix-blend-mode: screen; }
#nav .nav-logo-text { font-family: var(--font-serif) !important; font-size: 20px !important; font-weight: 500 !important; letter-spacing: 0.01em !important; color: #FFFFFF !important; white-space: nowrap; }
#nav .nav-logo-text em { color: #FFFFFF !important; font-style: italic; }

#nav .nav-links { display: flex !important; align-items: center; gap: 4px !important; list-style: none; margin: 0; padding: 0; }
#nav .nav-links > li { position: relative; }
#nav .nav-links a, #nav .nav-group-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-ui) !important; font-size: 14px !important; font-weight: 500 !important;
  letter-spacing: 0 !important; text-transform: none !important;
  color: rgba(255,255,255,0.86) !important; text-decoration: none; white-space: nowrap;
  padding: 10px 12px; border-radius: 6px; background: none; border: 0; cursor: pointer;
  transition: color 0.15s, background 0.15s;
}
#nav .nav-links a:hover, #nav .nav-group-btn:hover, #nav .nav-links a[aria-current="page"], #nav .nav-group.is-current > .nav-group-btn {
  color: #FFFFFF !important; background: rgba(255,255,255,0.10);
}
#nav .nav-group-btn::after {
  content: ''; width: 6px; height: 6px; margin-top: -3px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg);
}
#nav .nav-sub {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 230px;
  list-style: none; margin: 0; padding: 8px;
  background: #FFFFFF; border: 1px solid var(--grey-border); border-radius: 10px;
  box-shadow: 0 12px 32px rgba(3,4,94,0.14);
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
}
#nav .nav-sub::before { content: ''; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
#nav .nav-group:hover > .nav-sub, #nav .nav-group:focus-within > .nav-sub, #nav .nav-group.open > .nav-sub {
  opacity: 1; visibility: visible; transform: none;
}
#nav .nav-sub a { display: flex; width: 100%; color: var(--ink-text) !important; padding: 10px 12px; }
#nav .nav-sub a:hover, #nav .nav-sub a[aria-current="page"] { color: var(--navy) !important; background: var(--grey-bg); }

#nav .nav-cta, #nav a.nav-cta {
  flex-shrink: 0;
  font-family: var(--font-ui) !important; font-size: 14px !important; font-weight: 600 !important;
  letter-spacing: 0 !important; text-transform: none !important; white-space: nowrap;
  color: var(--navy) !important; background: #FFFFFF !important;
  border: 1px solid #FFFFFF !important; border-radius: 6px;
  padding: 10px 18px !important; text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
#nav .nav-cta:hover { background: #E8EAF6 !important; border-color: #E8EAF6 !important; color: var(--navy) !important; }

#nav .nav-toggle { display: none; }
#progress-bar { background: #FFFFFF !important; z-index: 600; }

/* Content clears the fixed bar */
#nav ~ .hero { padding-top: calc(var(--nav-h) + 56px) !important; }

@media (max-width: 1080px) {
  nav#nav { padding: 0 20px !important; gap: 12px; --nav-h: 64px; height: 64px; }
  #nav .nav-logo img { height: 30px; }
  #nav .nav-logo-text { font-size: 18px !important; }
  #nav .nav-toggle {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 42px; height: 42px; padding: 0 10px; border: 1px solid rgba(255,255,255,0.35); border-radius: 6px;
    background: transparent; cursor: pointer;
  }
  #nav .nav-toggle span { display: block; height: 2px; background: #FFFFFF; border-radius: 2px; transition: transform 0.2s, opacity 0.2s; }
  #nav.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  #nav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  #nav.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  #nav .nav-cta { padding: 9px 14px !important; font-size: 13px !important; }
  #nav .nav-links {
    display: none !important; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0 !important;
    background: var(--navy); padding: 8px 16px 20px; border-top: 1px solid rgba(255,255,255,0.12);
    max-height: calc(100vh - 64px); overflow-y: auto; box-shadow: 0 16px 32px rgba(0,0,0,0.18);
  }
  #nav.nav-open .nav-links { display: flex !important; }
  #nav .nav-links a, #nav .nav-group-btn { width: 100%; padding: 14px 8px; font-size: 16px !important; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,0.10); }
  #nav .nav-group-btn { justify-content: space-between; }
  #nav .nav-sub {
    position: static; opacity: 1; visibility: visible; transform: none; display: none;
    background: transparent; border: 0; box-shadow: none; padding: 0 0 8px 12px; min-width: 0;
  }
  #nav .nav-group.open > .nav-sub { display: block; }
  #nav .nav-sub a { color: rgba(255,255,255,0.86) !important; font-size: 15px !important; border-bottom: 0; padding: 10px 8px; }
  #nav .nav-sub a:hover, #nav .nav-sub a[aria-current="page"] { color: #FFFFFF !important; background: rgba(255,255,255,0.08); }
  #nav ~ .hero { padding-top: calc(64px + 40px) !important; }
}
@media (max-width: 420px) {
  #nav .nav-logo-text { font-size: 16px !important; }
  #nav .nav-cta { padding: 8px 10px !important; font-size: 12px !important; }
}
@media print { nav#nav { display: none !important; } }

/* Short invitation label on small phones */
#nav .nav-cta .cta-short { display: none; }
@media (max-width: 480px) {
  #nav .nav-cta .cta-full { display: none; }
  #nav .nav-cta .cta-short { display: inline; }
}

/* Menu button lines */
#nav .nav-toggle { align-items: center; }
#nav .nav-toggle span { width: 20px; flex: none; }

/* Homepage membership tiers: matching cards */
.tier-select, .tier-events {
  background: var(--grey-bg) !important;
  border: 1px solid var(--grey-border) !important;
  border-top: 2px solid var(--navy) !important;
}

/* ─── Mobile: never scroll the page sideways ──────────────── */
html, body { overflow-x: clip; }
.article-body table, .post-body table { display: block; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
@media (max-width: 700px) {
  .article-body table td, .article-body table th { min-width: 120px; }
}
@media (max-width: 700px) {
  .author-bio { flex-wrap: wrap; }
  .author-bio-text { min-width: 0; flex: 1 1 200px; }
  .author-bio-links { flex-wrap: wrap; gap: 8px 16px; }
  .related-grid { grid-template-columns: 1fr !important; }
}
@media (max-width: 700px) {
  table { display: block; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .rule-list li, .data-list li { flex-wrap: wrap; }
  .article-body li, .article-body li > * { min-width: 0; overflow-wrap: anywhere; }
  .footer-top { grid-template-columns: 1fr 1fr !important; gap: 32px !important; }
  .committee-grid { grid-template-columns: 1fr 1fr !important; }
  .committee-card, .board-card { min-width: 0; }
  .committee-card *, .board-card * { overflow-wrap: anywhere; }
}
@media (max-width: 700px) {
  footer[style] { padding-left: 20px !important; padding-right: 20px !important; }
  footer > div[style*="grid"] { grid-template-columns: 1fr 1fr !important; gap: 32px !important; }
}

/* ─── Homepage partner logo block ─────────────────────────── */
.logo-block { background: #FFFFFF; padding: 56px 64px; border-bottom: 1px solid var(--grey-border); }
.logo-block-inner { max-width: 1160px; margin: 0 auto; }
.logo-block-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 24px; }
.logo-block-label { font-family: var(--font-ui); font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--navy); margin: 0; }
.logo-block-link { font-family: var(--font-ui); font-size: 14px; font-weight: 500; color: var(--navy); text-decoration: none; border-bottom: 1px solid var(--grey-border); padding-bottom: 2px; white-space: nowrap; }
.logo-block-link:hover { border-color: var(--navy); }
.logo-grid { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.logo-tile { flex: 0 0 calc((100% - 3 * 12px) / 4); }
.logo-tile { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; min-height: 120px; padding: 18px 12px 14px; background: #FFFFFF; border: 1px solid var(--grey-border); border-radius: 8px; transition: border-color 0.2s, box-shadow 0.2s; }
.logo-tile:hover { border-color: #C9CCF0; box-shadow: 0 6px 18px rgba(3,4,94,0.07); }
.logo-mark { height: 48px; display: flex; align-items: center; justify-content: center; width: 100%; }
.logo-mark img { max-height: 48px; max-width: 150px; width: auto; height: auto; object-fit: contain; mix-blend-mode: multiply; filter: grayscale(1); opacity: 0.8; transition: filter 0.2s, opacity 0.2s; }
.logo-tile:hover .logo-mark img { filter: none; opacity: 1; }
.logo-wordmark { font-family: var(--font-ui); font-size: 22px; font-weight: 700; letter-spacing: -0.01em; color: #4A4F57; }
.logo-name { font-family: var(--font-ui); font-size: 12px; font-weight: 500; color: var(--grey-text); text-align: center; line-height: 1.3; }
@media (max-width: 1024px) { .logo-tile { flex-basis: calc((100% - 2 * 12px) / 3); } .logo-block { padding: 48px 32px; } }
@media (max-width: 600px) {
  .logo-grid { gap: 10px; }
  .logo-tile { flex-basis: calc((100% - 10px) / 2); }
  .logo-block { padding: 40px 20px; }
  .logo-tile { min-height: 104px; }
  .logo-mark { height: 40px; } .logo-mark img { max-height: 40px; max-width: 120px; }
}