/* =========================================================
   assets/css/styles.css  (FULL — unified)
   Covers: index (home), board, resources, history
   Includes: gradient header/footer, click-to-open desktop dropdown,
            mobile hamburger + mobile submenu indicators, shared UI system
   UPDATED: footer aesthetics + semantic footer support (.site-footer)
   UPDATED (NEW): footer social icons support (.foot-social__*)
   UPDATED (SEO/PERF): reduce CLS, improve image rendering, focus-visible
========================================================= */

/* ---------- TOKENS ---------- */
:root{
  --brand:#1f7aa7;
  --brand-2:#ffd447;
  --accent:#e63946;
  --ink:#0f172a;
  --ink-2:#334155;
  --bg:#f8fafc;
  --card:#ffffff;
  --ring:#cbd5e1;
  --success:#16a34a;

  /* Vibrant gradient palette */
  --be-purple:#6d37ff;
  --be-teal:#00c2c7;
  --be-green:#2bd673;
  --be-orange:#ff8a00;
  --be-pink:#ff3b7a;
  --be-ink:#0b1b2b;
}

/* ---------- BASE ---------- */
*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:Poppins,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans",sans-serif;

  /* Small perf/readability wins */
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Links */
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:none}

/* Images: reduce layout shift and improve rendering */
img{
  max-width:100%;
  display:block;
  height:auto;               /* keep aspect ratio */
}

/* Safer default for media elements */
svg,video,canvas{max-width:100%}

/* Container */
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* Accessible skip link */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0
}

/* Focus styles (helps accessibility + UX signals) */
:focus{outline:none}
:focus-visible{
  outline:3px solid rgba(31,122,167,.35);
  outline-offset:3px;
  border-radius:10px;
}

/* ---------- HEADER / FOOTER GRADIENT THEME ---------- */
header{
  background: linear-gradient(135deg,
    #ffffff 0%,
    #e9feff 12%,
    rgba(0,194,199,0.35) 28%,
    rgba(43,214,115,0.35) 44%,
    rgba(109,55,255,0.32) 60%,
    rgba(255,138,0,0.28) 78%,
    rgba(255,59,122,0.30) 100%
  );
  color: var(--be-ink);
  position: sticky;
  top: 0;
  z-index: 1500;
  overflow: visible; /* critical: do not clip dropdowns */
}

/* ---------- NAV LAYOUT ---------- */
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:72px;
}
header .wrap.nav{padding:14px 0}
header .nav{
  position:relative;
  border-bottom:1px solid rgba(11,27,43,0.08);
  overflow: visible; /* critical */
}

/* Brand lockup */
.logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  color:var(--be-ink);
  text-decoration:none;
}
.logo span{letter-spacing:.3px}

.logo .balloon{
  width:30px;height:30px;border-radius:50%;
  background:linear-gradient(145deg,var(--brand),#53b3da);
  position:relative;
  box-shadow:0 6px 20px rgba(31,122,167,.35);
}
.logo .balloon:after{
  content:"";
  position:absolute;
  bottom:-8px;
  left:50%;
  width:2px;height:10px;
  background:var(--accent);
  transform:translateX(-50%);
}

.logo-img{height:56px;width:auto;display:block;border-radius:10px}
.brandtext{display:flex;flex-direction:column;line-height:1.05}
.brandname{font-weight:800;letter-spacing:.2px;font-size:26px;white-space:nowrap}
.brandname .l{display:inline-block}
.brandtag{margin-top:4px;font-size:16px;font-weight:800;color:var(--be-purple)}

/* Multi-color letters */
.brandname .l:nth-child(6n+1){ color: var(--be-teal); }
.brandname .l:nth-child(6n+2){ color: var(--be-green); }
.brandname .l:nth-child(6n+3){ color: var(--be-purple); }
.brandname .l:nth-child(6n+4){ color: var(--be-orange); }
.brandname .l:nth-child(6n+5){ color: var(--be-pink); }
.brandname .l:nth-child(6n){   color: var(--brand); }

/* Menu */
.menu{display:flex;gap:22px;align-items:center; overflow: visible;}
.menu a{font-weight:700;color:var(--be-ink)}
.menu a:hover{opacity:.85}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid rgba(11,27,43,0.15);
  font-weight:700;
  background:rgba(255,255,255,.65);
  color:var(--be-ink);
  backdrop-filter:blur(6px);
}
.btn.primary{
  background:rgba(255,138,0,.95);
  border-color:rgba(255,138,0,.95);
  color:#fff;
}
.btn.primary:hover{filter:brightness(.95)}

/* Hamburger */
.hamburger{
  display:none;
  flex-direction:column;
  gap:4px;
  border:0;
  background:transparent;
}
.hamburger span{width:24px;height:2px;background:var(--be-ink)}

/* =========================================================
   DESKTOP DROPDOWN (Ballooning History)
   Uses: .nav-dd__link (goes to history.html)
         .nav-dd__toggle (opens menu)
========================================================= */
.nav-dd{
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  z-index: 9998;
  overflow: visible;
}

/* Link to Overview */
.nav-dd__link{
  font-weight: 700;
  color: var(--be-ink);
  padding: 8px 6px 8px 10px;
  border-radius: 12px;
}
.nav-dd__link:hover{ opacity: .85; }

/* Chevron toggle */
.nav-dd__toggle{
  appearance: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  color: var(--be-ink);
  width: 32px;
  height: 34px;
  border-radius: 12px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .18s ease, background .18s ease;
}
.nav-dd__toggle:hover{ background: rgba(11,27,43,.06); }
.nav-dd.open .nav-dd__toggle{ transform: rotate(180deg); }

/* Menu */
.nav-dd__menu{
  display:none;
  position:absolute;
  top:calc(100% + 10px);
  left:0;
  min-width:280px;
  background:#fff;
  border:1px solid rgba(11,27,43,.10);
  border-radius:16px;
  box-shadow:0 18px 40px rgba(2,6,23,.12);
  padding:10px;
  z-index:9999;
  overflow: visible;
}
.nav-dd.open .nav-dd__menu{ display:block; }

.nav-dd__menu a{
  display:block;
  padding:12px 14px;
  min-height:44px;
  border-radius:12px;
  font-weight:700;
  color:var(--be-ink);
  white-space:nowrap;
}
.nav-dd__menu a:hover{ background:rgba(11,27,43,.06); }

/* =========================================================
   MOBILE MENU + SUBMENU INDICATORS
========================================================= */
#mobile-menu{display:none}

@media (min-width: 901px){
  .menu{display:flex !important}
  .hamburger{display:none !important}
  #mobile-menu{display:none !important}
}

@media (max-width: 900px){
  .menu{display:none !important}

  .hamburger{
    display:inline-flex !important;
    align-items:center;
    justify-content:center;
    width:44px;height:44px;
    border-radius:12px;
    background:rgba(255,255,255,.60);
    border:1px solid rgba(11,27,43,.18);
    backdrop-filter:blur(6px);
  }

  #mobile-menu{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    z-index:2000;
    padding:12px 12px 14px;
    background:transparent;
  }

  #mobile-menu.open{
    display:flex !important;
    flex-direction:column;
    gap:10px;
  }

  #mobile-menu a{
    color:var(--be-ink) !important;
    font-weight:800;
    padding:12px 12px;
    border-radius:14px;
    background:#fff !important;
    border:1px solid rgba(11,27,43,.10) !important;
    text-decoration:none;
    box-shadow:0 6px 18px rgba(0,0,0,.10);
  }
  #mobile-menu a:active{transform:scale(.99)}
  #mobile-menu a:hover{opacity:.92}

  /* Mobile dropdown via <details> */
  .mobile-dd{margin-top:0}

  .mobile-dd summary{
    list-style:none;
    cursor:pointer;
    padding:12px 12px;
    border-radius:14px;
    background:#fff;
    border:1px solid rgba(11,27,43,.10);
    font-weight:800;
    color:var(--be-ink);
    position:relative;
    padding-right:42px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  .mobile-dd summary::-webkit-details-marker{display:none}

  .mobile-dd summary::after{
    content:"▾";
    position:absolute;
    right:14px;
    top:50%;
    transform:translateY(-50%);
    font-size:14px;
    font-weight:900;
    color:rgba(11,27,43,.70);
    transition:transform .18s ease, opacity .18s ease;
    opacity:.95;
    line-height:1;
  }
  .mobile-dd[open] summary::after{
    transform:translateY(-50%) rotate(180deg);
  }
  .mobile-dd[open] summary{
    box-shadow:0 8px 22px rgba(2,6,23,.10);
    border-color:rgba(11,27,43,.14);
  }

  .mobile-dd__links{
    margin-top:10px;
    display:grid;
    gap:10px;
    padding-left:10px;
    border-left:2px solid rgba(11,27,43,.08);
    margin-left:6px;
  }
  .mobile-dd__links a{
    box-shadow:0 6px 18px rgba(0,0,0,.10);
    font-size:14px;
  }
}

/* Prevent wrapping on tiny screens */
@media (max-width: 480px){
  header .logo,
  header .brandtext{min-width:0}

  header .brandname{
    white-space:nowrap;
    word-break:keep-all;
    font-size:20px;
    line-height:1.05;
  }
  header .brandname .l{display:inline}
  header .logo{gap:8px}
  header .logo-img{height:38px}
  header .brandtag{font-size:13px;line-height:1.1}
}

/* ---------- GLOBAL CONTENT SYSTEM ---------- */
section{padding:64px 20px}
.section-title{font-size:28px;margin:0 0 18px}

.grid{display:grid;gap:20px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--card);
  border:1px solid var(--ring);
  border-radius:18px;
  padding:18px;
  box-shadow:0 8px 30px rgba(2,6,23,.04);
}
.card h3{margin:.2rem 0 .4rem;font-size:20px}
.meta{color:#64748b;font-size:14px}

.pill{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  background:#eef6ff;
  color:#1f3b57;
  font-weight:700;
  font-size:12px;
}

/* Breadcrumb + titles */
.breadcrumb{font-size:14px;color:#64748b;margin:10px 0 0}
.breadcrumb a{color:#64748b}
.main-title{margin-top:6px}

/* Home hero (index) */
.hero{
  position:relative;
  background:
    radial-gradient(1200px 500px at 80% -50%, #9bd6ee 0%, transparent 60%),
    linear-gradient(180deg, #e6f5fb 0%, #ffffff 80%);
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:36px;
  align-items:center;
  padding:64px 20px;
}
h1{
  font-size:clamp(32px,4vw,52px);
  line-height:1.1;
  margin:16px 0 10px;
}
p.lead{
  font-size:clamp(16px,2.1vw,20px);
  color:var(--ink-2);
}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.hero-media{position:relative}
.hero-media img{
  border-radius:24px;
  box-shadow:0 25px 60px rgba(0,0,0,.15);
}
.floating{
  position:absolute;
  inset:auto auto -18px -18px;
  background:#fff;
  border:1px solid var(--ring);
  padding:12px 14px;
  border-radius:14px;
  box-shadow:0 10px 30px rgba(0,0,0,.08);
  font-size:14px;
}

/* Global responsive */
@media (max-width: 900px){
  .hero .wrap{grid-template-columns:1fr}
  .grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
}

/* =========================================================
   FOOTER — FINAL CLEAN VERSION
========================================================= */

.site-footer{
  margin-top:48px;
  padding:44px 0;
  color:#000 !important;
  background: linear-gradient(135deg,
    #ffffff 0%,
    #e9feff 12%,
    rgba(0,194,199,0.35) 28%,
    rgba(43,214,115,0.35) 44%,
    rgba(109,55,255,0.32) 60%,
    rgba(255,138,0,0.28) 78%,
    rgba(255,59,122,0.30) 100%
  );
}

.site-footer a{
  color:#000 !important;
  text-decoration:none;
  transition:opacity .2s ease, text-decoration-color .2s ease;
}

.site-footer a:hover{
  text-decoration:underline;
}

/* Main footer grid */
.foot-grid{
  display:grid;
  grid-template-columns:minmax(0, 1.6fr) minmax(180px, .9fr);
  gap:32px;
  align-items:start;
}

/* Footer headings */
.site-footer h3{
  margin:0 0 10px;
  font-size:1rem;
  letter-spacing:.2px;
  color:#000;
}

/* Brand */
.foot-brand{
  min-width:0;
}

.site-footer .foot-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
  font-weight:800;
  color:#000;
  text-decoration:none;
}

.footer-logo-img{
  width:40px;
  height:40px;
  object-fit:contain;
  display:block;
  flex:0 0 40px;
}

.foot-tagline{
  margin:10px 0 12px;
  color:rgba(0,0,0,.75);
  line-height:1.6;
  max-width:42ch;
}

.foot-contact{
  margin:0 0 14px;
  color:rgba(0,0,0,.78);
}

/* Social links */
.foot-social{
  display:flex;
  flex-direction:column;
  gap:8px;
  align-items:flex-start;
}

.foot-social__row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}

.foot-social__link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  text-decoration:none;
  opacity:.45;
}

.foot-social__link:hover{
  opacity:.9;
}

.foot-social__icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:18px;
  height:18px;
  line-height:0;
  flex:0 0 18px;
}

.foot-social__sep{
  opacity:.38;
  display:inline-block;
}

/* Quick links */
.foot-links{
  text-align:left;
  justify-self:start;
  padding-left:28px;
}

.foot-links h3{
  text-align:left;
}

.foot-list{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:8px;
  text-align:left;
}

.foot-list li{
  margin:0;
}

/* Fine row */
.fine{
  border-top:1px solid rgba(0,0,0,.10);
  margin-top:26px;
  padding-top:14px;
  display:flex;
  flex-wrap:wrap;
  gap:2px 10px;
  font-size:.92rem;
  color:rgba(0,0,0,.70);
  line-height:1.35;
}

.fine-break{
  flex-basis:100%;
  height:0;
  margin:0;
}

.site-credit{
  opacity:.82;
  display:block;
  margin-top:0;
}

/* Responsive */
@media (max-width: 900px){
  .foot-grid{
    grid-template-columns:1fr;
    gap:24px;
  }

  .foot-links{
    justify-self:start;
    padding-left:0;
  }
}

@media (max-width: 640px){
  .site-footer{
    padding:36px 0;
  }

  .foot-social__row{
    gap:6px;
  }

  .fine{
    gap:8px;
  }
}

/* =========================================================
   BOARD PAGE (Text Left / Image Right)
========================================================= */
.board-layout{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:36px;
  align-items:start;
  margin-top:18px;
}
.board-list,
.board-members{
  margin:12px 0 0;
  padding-left:18px;
}
.board-subtitle{margin:18px 0 8px}

.board-photo{ position:sticky; top:110px; }
.board-figure{
  margin:0;
  background:rgba(255,255,255,0.92);
  border:1px solid rgba(11,27,43,0.10);
  border-radius:20px;
  padding:16px;
  box-shadow:0 16px 40px rgba(2,6,23,.12);
}
.board-figure img{
  width:100%;
  height:auto;
  border-radius:16px;
  transform:scale(1.03);
}
.board-figure figcaption{
  margin-top:12px;
  font-size:15px;
  font-weight:700;
  color:var(--ink-2);
}
.board-caption{
  margin-top:14px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  justify-content:center;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  text-align:center;
}
.board-caption span{white-space:nowrap;position:relative}
.board-caption span:not(:last-child)::after{
  content:"•";
  margin-left:10px;
  color:rgba(11,27,43,0.35);
}
@media (max-width: 900px){
  .board-layout{grid-template-columns:1fr}
  .board-photo{position:static}
}

/* =========================================================
   HISTORY PAGE (Image Left / Text Right)
========================================================= */
.history-layout{
  display:grid;
  grid-template-columns:0.95fr 1.25fr;
  gap:32px;
  align-items:start;
  margin-top:16px;
}
.history-photo{ position:sticky; top:110px; }
.history-figure{
  margin:0;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(11,27,43,.10);
  border-radius:20px;
  padding:14px;
  box-shadow:0 16px 40px rgba(2,6,23,.10);
}
.history-figure img{
  width:100%;
  height:auto;
  border-radius:16px;
}

/* Minor smoothing for large poster-like images */
.history-figure img,
.board-figure img,
.hero-media img{
  image-rendering:auto;
}

@media (max-width: 900px){
  .history-layout{grid-template-columns:1fr}
  .history-photo{position:static}
}


/* =========================================================
   RESOURCES PAGE (Cards/List)
========================================================= */
.resources-intro{
  margin-top:14px;
  color:var(--ink-2);
  font-size:16px;
  line-height:1.6;
}
.resources-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:18px;
}
.resource-card{
  background:rgba(255,255,255,0.92);
  border:1px solid rgba(11,27,43,0.10);
  border-radius:18px;
  padding:18px;
  box-shadow:0 10px 28px rgba(2,6,23,.06);
  display:flex;
  flex-direction:column;
  gap:10px;
  min-height:180px;
}
.resource-card h2,
.resource-card h3{
  margin:0;
  font-size:18px;
  line-height:1.25;
  color:var(--ink);
}
.resource-card p{
  margin:0;
  color:var(--ink-2);
  line-height:1.55;
}
.resource-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:2px;
  font-size:13px;
  color:rgba(15,23,42,.70);
}
.resource-pill{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(31,122,167,0.10);
  border:1px solid rgba(31,122,167,0.18);
  color:#1f3b57;
  font-weight:800;
  font-size:12px;
}
.resource-actions{
  margin-top:auto;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  padding-top:8px;
}
.resource-actions a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 12px;
  border-radius:999px;
  font-weight:800;
  border:1px solid rgba(11,27,43,0.15);
  background:rgba(255,255,255,0.70);
  color:var(--be-ink);
  text-decoration:none;
}
.resource-actions a.primary{
  background:rgba(255,138,0,0.95);
  border-color:rgba(255,138,0,0.95);
  color:#fff;
}
.resource-actions a:hover{filter:brightness(0.98)}
@media (max-width: 900px){
  .resources-grid{grid-template-columns:1fr}
}
/* =========================================================
   HISTORY FLOATING IMAGE SYSTEM — SITEWIDE
   - Works on any page
   - Images are visible by default
   - Add .animate-on-scroll to animate them in
   - Supports: image-left, image-right, image-center
========================================================= */

.history-image-float{
  width: min(35%, 270px);
  margin-top: 0.35rem;
  margin-bottom: 0.9rem;
  opacity: 1; /* visible by default */
  transition: opacity 0.85s ease, transform 0.85s ease;
}

/* Animate only when explicitly requested */
.history-image-float.animate-on-scroll{
  opacity: 0;
}

/* Left wrapped image */
.history-image-float.image-left{
  float: left;
  margin-left: 0.2rem;
  margin-right: 1.2rem;
  transform: translateX(-70px);
}

/* Right wrapped image */
.history-image-float.image-right{
  float: right;
  margin-right: 0.2rem;
  margin-left: 1.2rem;
  transform: translateX(70px);
}

/* Centered image */
.history-image-float.image-center{
  float: none;
  clear: both;
  margin-left: auto;
  margin-right: auto;
  transform: translateY(24px);
}

/* Final animated state */
.history-image-float.animate-on-scroll.is-visible{
  opacity: 1;
}

.history-image-float.image-left.animate-on-scroll.is-visible,
.history-image-float.image-right.animate-on-scroll.is-visible,
.history-image-float.image-center.animate-on-scroll.is-visible{
  transform: translate(0, 0);
}

/* Figure image styling */
.history-image-float img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.14);
  background: #fff;
}

/* Caption styling */
.history-image-float figcaption{
  margin-top: 0.5rem;
  padding-left: 0.65rem;
  border-left: 3px solid rgba(31, 122, 167, 0.28);
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--ink-2, #334155);
  max-width: 96%;
}

/* Allow wrapped flow */
.history-image-float + p,
p + .history-image-float{
  clear: none;
}

/* Tablet */
@media (max-width: 900px){
  .history-image-float{
    width: min(56%, 400px);
  }
}

/* Mobile */
@media (max-width: 640px){
  .history-image-float,
  .history-image-float.image-left,
  .history-image-float.image-right,
  .history-image-float.image-center{
    float: none;
    clear: none;
    width: 100%;
    max-width: 100%;
    margin: 0.8rem 0 1rem 0;
    transform: translateY(24px);
  }

  .history-image-float.animate-on-scroll.is-visible,
  .history-image-float.image-left.animate-on-scroll.is-visible,
  .history-image-float.image-right.animate-on-scroll.is-visible,
  .history-image-float.image-center.animate-on-scroll.is-visible{
    transform: translateY(0);
  }

  .history-image-float figcaption{
    max-width: 100%;
    padding-left: 0.6rem;
    font-size: 0.88rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  .history-image-float,
  .history-image-float.animate-on-scroll,
  .history-image-float.image-left,
  .history-image-float.image-right,
  .history-image-float.image-center{
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}