/* ==========================================================
   Early Discovery — shared styles
   Palette derived from the Early Discovery logo.
   ========================================================== */

:root{
  /* Brand colors, sampled from the logo */
  --green:       #42A82B;
  --green-mid:   #5CC27A;
  --green-pale:  #DFF3E4;
  --pink:        #EF61C7;
  --pink-pale:   #FDE4F6;
  --blue:        #298DD8;
  --blue-pale:   #DDEEFB;
  --orange:      #E8541E;
  --orange-pale: #FDE5DA;
  --yellow:      #F4C430;
  --yellow-pale: #FDF3D6;
  --purple:      #8B5CD6;
  --purple-pale: #EEE6FB;

  /* Neutrals */
  --ink:        #22301F;
  --ink-soft:   #5C6B5E;
  --ink-faint:  #93A094;
  --cream:      #FBFAF4;
  --cream-2:    #F2F0E5;
  --line:       #E6E4D8;
  --white:      #FFFFFF;

  --font-display: 'Baloo 2', system-ui, -apple-system, sans-serif;
  --font-body:    'Nunito Sans', system-ui, -apple-system, sans-serif;

  --maxw: 1280px;
  --radius: 20px;
  --radius-lg: 28px;
  --shadow-sm: 0 4px 14px -8px rgba(34,48,31,.35);
  --shadow:    0 14px 34px -18px rgba(34,48,31,.40);
  --shadow-lg: 0 26px 60px -28px rgba(34,48,31,.45);
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:
    radial-gradient(900px 520px at 8% 4%,  rgba(92,194,122,.10), transparent 62%),
    radial-gradient(780px 470px at 94% 16%, rgba(244,196,48,.10),  transparent 60%),
    radial-gradient(820px 500px at 10% 78%, rgba(41,141,216,.08),  transparent 62%),
    radial-gradient(760px 460px at 92% 88%, rgba(239,97,199,.07),  transparent 60%),
    var(--cream);
  line-height:1.6;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  overflow-x:hidden;
}

img{ max-width:100%; display:block; }

a{ color:var(--green); }

:focus-visible{
  outline:3px solid var(--blue);
  outline-offset:3px;
  border-radius:8px;
}

.skip{
  position:absolute; left:-9999px; top:0;
  background:var(--white); color:var(--ink);
  padding:12px 18px; border-radius:0 0 12px 0; z-index:200;
  font-family:var(--font-display); font-weight:700;
}
.skip:focus{ left:0; }

.wrap{
  width:100%; max-width:var(--maxw);
  margin:0 auto; padding:0 24px;
}

/* ---------------- Header ---------------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(251,250,244,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:20px; padding:12px 24px;
  max-width:var(--maxw); margin:0 auto;
}
.brand{
  display:flex; align-items:center; gap:12px;
  text-decoration:none; color:var(--ink); flex-shrink:0;
}
.brand img{ height:46px; width:auto; }
.brand .brand-text{
  font-family:var(--font-display); font-weight:800;
  font-size:1.15rem; letter-spacing:-.01em; line-height:1.1;
  color:var(--green);
}
.brand .brand-sub{
  display:block; font-family:var(--font-body); font-weight:600;
  font-size:.66rem; letter-spacing:.09em; text-transform:uppercase;
  color:var(--ink-faint);
}

.nav{ display:flex; align-items:center; gap:4px; }
.nav a{
  font-family:var(--font-display); font-weight:600; font-size:.95rem;
  color:var(--ink-soft); text-decoration:none;
  padding:9px 14px; border-radius:999px;
  transition:background .18s ease, color .18s ease;
}
.nav a:hover{ background:var(--green-pale); color:var(--green); }
.nav a[aria-current="page"]{ background:var(--green); color:var(--white); }

.nav-toggle{
  display:none; background:none; border:1.5px solid var(--line);
  border-radius:12px; padding:8px 10px; cursor:pointer;
}
.nav-toggle span{
  display:block; width:20px; height:2px; background:var(--ink);
  border-radius:2px; margin:4px 0;
}

@media (max-width:840px){
  .nav-toggle{ display:block; }
  .nav{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:stretch;
    background:var(--white); border-bottom:1px solid var(--line);
    padding:10px 16px 16px; gap:2px;
    box-shadow:var(--shadow); display:none;
  }
  .nav.open{ display:flex; }
  .nav a{ padding:12px 14px; }
  .brand .brand-text{ font-size:1rem; }
  .brand img{ height:40px; }
}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-display); font-weight:700; font-size:.92rem;
  padding:11px 18px; border-radius:14px; border:none;
  cursor:pointer; text-decoration:none;
  transition:transform .14s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn:active{ transform:translateY(0); }

.btn-primary{
  background:var(--green); color:var(--white);
  box-shadow:0 10px 22px -12px rgba(66,168,43,.9);
}
.btn-primary:hover{ background:#3A9626; }

.btn-ghost{
  background:var(--white); color:var(--ink);
  border:1.5px solid var(--line);
}
.btn-ghost:hover{ border-color:var(--green-mid); color:var(--green); }

.btn-sm{ padding:9px 14px; font-size:.85rem; border-radius:12px; }
.btn svg{ width:15px; height:15px; flex-shrink:0; }

/* ---------------- Card grid (masonry) ---------------- */
.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  padding:0;
}
@media (max-width:980px){ .grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .grid{ grid-template-columns:1fr; } }

.card{
  height:100%;
  margin:0;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .2s cubic-bezier(.2,.8,.25,1), box-shadow .25s ease;
  display:flex; flex-direction:column;
}
.card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-lg); }

.card-cover{
  position:relative;
  aspect-ratio:4/3;
  display:grid; place-items:center;
  overflow:hidden;
}
.card-cover>img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:top; }
.card-cover svg{ width:100%; height:100%; display:block; }

.card-topic{
  position:absolute; top:12px; left:12px;
  font-family:var(--font-display); font-weight:700;
  font-size:.68rem; letter-spacing:.06em; text-transform:uppercase;
  background:rgba(255,255,255,.94);
  color:var(--ink); padding:5px 11px; border-radius:999px;
  box-shadow:var(--shadow-sm);
}

.card-body{ padding:18px 20px 20px; display:flex; flex-direction:column; gap:8px; flex:1; }
.card-body h3{
  font-family:var(--font-display); font-weight:700;
  font-size:1.18rem; line-height:1.22; margin:0; color:var(--ink);
  letter-spacing:-.01em;
}
.card-body p{
  margin:0; font-size:.92rem; color:var(--ink-soft); line-height:1.5;
}
.card-actions{
  display:flex; gap:8px; margin-top:auto; padding-top:12px;
}
.card-actions .btn{ flex:1; }

/* ---------------- Hero ---------------- */
.hero{
  position:relative;
  padding:56px 0 44px;
  text-align:center;
  overflow:hidden;
}
.hero::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:radial-gradient(120% 90% at 50% -20%, #FFFEF7 0%, var(--cream) 60%, var(--cream-2) 100%);
}
.hero h1{
  font-family:var(--font-display); font-weight:800;
  font-size:clamp(2.2rem, 5.6vw, 3.9rem);
  line-height:1.05; letter-spacing:-.02em;
  margin:0 auto; max-width:16ch; color:var(--ink);
}
.hero h1 .hl{
  color:var(--green);
  position:relative; white-space:nowrap;
}
.hero p.lede{
  margin:18px auto 0; max-width:48ch;
  font-size:clamp(1rem,2vw,1.18rem); color:var(--ink-soft);
}

/* Search */
.search{
  margin:28px auto 0; max-width:520px; position:relative;
}
.search input{
  width:100%; font-family:var(--font-body); font-size:1rem;
  padding:15px 18px 15px 48px;
  border:1.5px solid var(--line); border-radius:999px;
  background:var(--white); color:var(--ink);
  box-shadow:var(--shadow-sm);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.search input:hover{ border-color:var(--green-mid); }
.search input:focus{ border-color:var(--green); box-shadow:0 0 0 4px var(--green-pale); outline:none; }
.search svg{
  position:absolute; left:17px; top:50%; transform:translateY(-50%);
  width:18px; height:18px; color:var(--ink-faint); pointer-events:none;
}

/* ---------------- Topic chips ---------------- */
.chips{
  display:flex; flex-wrap:wrap; gap:9px; justify-content:center;
  margin:26px auto 0; max-width:900px;
}
.chip{
  font-family:var(--font-display); font-weight:700; font-size:.88rem;
  padding:9px 16px; border-radius:999px; cursor:pointer;
  border:1.5px solid transparent; text-decoration:none;
  transition:transform .14s ease, filter .18s ease;
  display:inline-flex; align-items:center; gap:7px;
}
.chip:hover{ transform:translateY(-2px); }
.chip .dot{ width:8px; height:8px; border-radius:50%; }

.chip[data-c="green"]  { background:var(--green-pale);  color:#2C7A1C; }
.chip[data-c="pink"]   { background:var(--pink-pale);   color:#B22E8E; }
.chip[data-c="blue"]   { background:var(--blue-pale);   color:#1B6BA8; }
.chip[data-c="orange"] { background:var(--orange-pale); color:#B63C11; }
.chip[data-c="yellow"] { background:var(--yellow-pale); color:#8A6A08; }
.chip[data-c="purple"] { background:var(--purple-pale); color:#6237AC; }
.chip[data-c="lime"]   { background:#EFF8DC; color:#578A0F; }

.chip[data-c="green"]  .dot{ background:var(--green); }
.chip[data-c="pink"]   .dot{ background:var(--pink); }
.chip[data-c="blue"]   .dot{ background:var(--blue); }
.chip[data-c="orange"] .dot{ background:var(--orange); }
.chip[data-c="yellow"] .dot{ background:var(--yellow); }
.chip[data-c="purple"] .dot{ background:var(--purple); }
.chip[data-c="lime"]   .dot{ background:#A4E24C; }

.chip.is-active{
  border-color:currentColor;
  box-shadow:0 0 0 3px rgba(0,0,0,.04);
}

/* ---------------- Sections ---------------- */
.section{ padding:44px 0; }
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:20px; margin-bottom:24px; flex-wrap:wrap;
}
.section-head h2{
  font-family:var(--font-display); font-weight:800;
  font-size:clamp(1.5rem,3vw,2.1rem); margin:0; letter-spacing:-.015em;
}
.section-head p{ margin:4px 0 0; color:var(--ink-soft); font-size:.96rem; }

.empty{
  display:none; text-align:center; padding:50px 20px;
  color:var(--ink-soft);
}
.empty.show{ display:block; }
.empty strong{ font-family:var(--font-display); display:block; font-size:1.1rem; color:var(--ink); }

/* ---------------- Footer ---------------- */
.site-footer{
  margin-top:auto;
  background:var(--white);
  border-top:1px solid var(--line);
  padding:40px 0 34px;
}
.footer-top{
  display:flex; align-items:center; justify-content:space-between;
  gap:24px; flex-wrap:wrap; margin-bottom:26px;
}
.footer-brand{ display:flex; align-items:center; gap:12px; }
.footer-brand img{ height:44px; width:auto; }
.footer-brand .ft{
  font-family:var(--font-display); font-weight:800; color:var(--green); font-size:1.05rem;
}
.footer-brand .fs{ font-size:.82rem; color:var(--ink-faint); }
.footer-contact a{
  font-family:var(--font-display); font-weight:700;
  color:var(--green); text-decoration:none; font-size:.95rem;
}
.footer-contact a:hover{ text-decoration:underline; }

.policy-links{
  list-style:none; margin:0 0 16px; padding:0;
  display:flex; flex-wrap:wrap; justify-content:center;
  gap:6px 4px; font-size:.82rem;
}
.policy-links li{ display:flex; align-items:center; }
.policy-links li:not(:last-child)::after{
  content:"•"; color:var(--line); margin-left:8px;
}
.policy-links a{ color:var(--ink-soft); text-decoration:none; padding:2px 4px; }
.policy-links a:hover{ color:var(--green); text-decoration:underline; }

.copyright{
  text-align:center; font-size:.8rem; color:var(--ink-soft); margin:0;
}
.copyright .uni{ font-family:var(--font-display); font-weight:700; color:var(--ink); }

/* rainbow rule — echoes the logo's sun arc */
.rainbow{
  height:5px; border-radius:99px; margin:0 0 26px;
  background:linear-gradient(90deg,var(--pink),var(--orange),var(--yellow),var(--green-mid),var(--blue),var(--purple));
}

/* ---------------- Motion ---------------- */
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  .card:hover{ transform:none; }
}


/* ---------------- Color bands & hill dividers (v1.2) ---------------- */
.band{ position:relative; }
.band-green { background:linear-gradient(180deg,#EAF6E6,#F2F9EE); }
.band-blue  { background:linear-gradient(180deg,#E7F2FB,#EFF7FD); }
.band-yellow{ background:linear-gradient(180deg,#FCF4D9,#FDF9EA); }
.band-pink  { background:linear-gradient(180deg,#FCEAF6,#FDF3FA); }
.hill{ border-radius:50% 50% 0 0 / 42px 42px 0 0; margin-top:-6px; }
@media (max-width:700px){ .hill{ border-radius:50% 50% 0 0 / 26px 26px 0 0; } }

/* v1.4.3 funder lockup */
.footer-funder{display:flex;align-items:center;gap:14px}
.footer-funder img{height:52px;width:auto}
.ff-lines{display:flex;flex-direction:column;font-size:.82rem;color:var(--ink-soft);line-height:1.5}
.ff-lines b{font-family:var(--font-display);color:var(--ink)}

/* v1.6 coming-soon chip + homepage divider */
.soon{
  font-family:var(--font-display); font-weight:700; font-size:.78rem;
  color:var(--ink-faint); background:var(--cream-2);
  border:1.5px dashed var(--line); border-radius:999px;
  padding:8px 14px; display:inline-flex; align-items:center;
}
.more-head{
  text-align:center; margin:40px 0 22px;
  font-family:var(--font-display); font-weight:800;
  font-size:1.25rem; color:var(--ink-soft);
  display:flex; align-items:center; gap:16px; justify-content:center;
}
.more-head::before,.more-head::after{
  content:""; height:2px; width:70px; border-radius:2px; background:var(--line);
}

/* v1.8 guide dropdown + card highlight */
.search select{
  width:100%; font-family:var(--font-body); font-size:1rem;
  padding:15px 44px 15px 20px;
  border:1.5px solid var(--line); border-radius:999px;
  background:var(--white); color:var(--ink);
  box-shadow:var(--shadow-sm); cursor:pointer;
  appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235C6B5E' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 18px center; background-size:18px;
}
.search select:hover{ border-color:var(--green-mid); }
.search select:focus{ border-color:var(--green); box-shadow:0 0 0 4px var(--green-pale); outline:none; }
.hl-card{ outline:4px solid var(--green); outline-offset:4px; border-radius:var(--radius-lg);
  animation:hl-pulse 2.4s ease; }
@keyframes hl-pulse{ 0%,70%{outline-color:var(--green)} 100%{outline-color:transparent} }