:root{
  --blue:#154ba5;
  --blue-deep:#0c2f6f;
  --lime:#7ed957;
  --lime-deep:#62bd3f;
  --black:#06080b;
  --white:#ffffff;
  --off:#f2f4f7;
  --text:#14171c;
  --muted:#667085;
  --line:#d9dee7;
  --radius:22px;
  --shadow:0 18px 50px rgba(7,17,34,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);background:var(--white);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
.site-header{position:sticky;top:0;z-index:50;background:rgba(6,8,11,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{max-width:1220px;margin:auto;padding:12px 22px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;color:white;min-width:290px}
.brand-mark{width:54px;height:54px;object-fit:contain}
.brand-copy{display:flex;flex-direction:column;line-height:1}
.brand-kicker{font-size:.72rem;letter-spacing:.16em;color:#b5c9ef;margin-bottom:6px}
.brand-name{font-family:"Barlow Condensed",sans-serif;font-size:1.45rem;font-weight:800;letter-spacing:.06em}
.main-nav{margin-left:auto;display:flex;gap:24px}
.main-nav a{color:#e9eef8;font-size:.9rem;font-weight:700;letter-spacing:.03em;position:relative}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:2px;background:var(--lime);transition:.2s}
.main-nav a:hover::after{width:100%}
.menu-toggle{display:none;margin-left:auto;background:none;border:0;color:white;font-size:1.8rem}
.section{padding:90px 24px}
.section-dark{background:var(--black);color:white;position:relative;overflow:hidden}
.section-light{background:white}
.section-offwhite{background:var(--off)}
.section-blue{background:linear-gradient(135deg,var(--blue-deep),var(--blue));color:white}
.tech-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(126,217,87,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(126,217,87,.06) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,black,transparent 90%)}
.hero{padding:82px 24px 62px}
.hero-inner{max-width:1220px;margin:auto;display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center;position:relative}
.status-line{font-family:"Barlow Condensed",sans-serif;font-weight:700;letter-spacing:.14em;color:#dbe7fb;font-size:.9rem;margin-bottom:24px}.status-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 16px var(--lime);margin-right:10px}
.eyebrow{font-family:"Barlow Condensed",sans-serif;font-size:.92rem;font-weight:800;letter-spacing:.16em;margin:0 0 10px;text-transform:uppercase}.eyebrow.blue{color:var(--blue)}.eyebrow.lime{color:var(--lime)}
.hero h1{font-family:"Barlow Condensed",sans-serif;font-size:clamp(4.8rem,9vw,8.8rem);line-height:.78;margin:0 0 26px;letter-spacing:-.035em;text-transform:uppercase}.hero h1 span{color:var(--lime);text-shadow:3px 3px 0 var(--blue)}
.hero-sub{font-size:1.35rem;font-weight:600;margin:0 0 8px;color:#edf3ff}.hero-tagline{font-family:"Barlow Condensed",sans-serif;letter-spacing:.21em;color:#9db6e4;font-weight:700;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:999px;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.18s}.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--lime);color:#07100a}.btn-outline{border-color:#5c6b82;color:white;background:rgba(255,255,255,.03)}.btn-dark{background:var(--black);color:white}.btn-lime{background:var(--lime);color:#07100a}
.quick-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:38px;border-top:1px solid rgba(255,255,255,.13);padding-top:16px}.quick-strip a{display:flex;flex-direction:column;padding:8px 10px;border-left:2px solid var(--blue);transition:.2s}.quick-strip a:hover{background:rgba(255,255,255,.05);border-left-color:var(--lime)}.quick-strip strong{font-family:"Barlow Condensed",sans-serif;font-size:1rem;letter-spacing:.09em}.quick-strip span{font-size:.73rem;color:#97a6ba}
.hero-logo-wrap{position:relative;display:grid;place-items:center}.hero-logo{width:min(430px,90%);position:relative;z-index:2;filter:drop-shadow(0 26px 40px rgba(0,0,0,.4))}.logo-orbit{position:absolute;width:95%;aspect-ratio:1;border-radius:50%;border:1px solid rgba(126,217,87,.35);box-shadow:0 0 90px rgba(21,75,165,.35), inset 0 0 70px rgba(126,217,87,.08)}
.section-heading{max-width:1180px;margin:0 auto 38px}.split-heading{display:flex;justify-content:space-between;gap:30px;align-items:end}.section-heading h2,.ask-card h2,.support-section h2{font-family:"Barlow Condensed",sans-serif;font-size:clamp(2.6rem,5vw,4rem);line-height:.95;margin:0 0 14px;text-transform:uppercase;letter-spacing:-.02em}.lead{max-width:720px;color:var(--muted);font-size:1.04rem}.light-text,.light-text .lead{color:white}.light-text .lead{color:#d7e1f2}
.signal-filter{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.filter{border:1px solid var(--line);background:white;padding:8px 13px;border-radius:999px;font-weight:700;color:#4f5968;cursor:pointer}.filter.active{background:var(--black);color:white;border-color:var(--black)}
.feed-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.feed-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:white;box-shadow:var(--shadow);transition:.2s}.feed-card:hover{transform:translateY(-4px)}.feed-card.featured{grid-column:span 2;display:grid;grid-template-columns:1.1fr .9fr}.feed-card.featured .feed-meta,.feed-card.featured .feed-body{grid-column:2}.feed-card.featured .feed-visual{grid-row:1/3;grid-column:1;min-height:100%}.feed-meta{display:flex;gap:9px;align-items:center;padding:16px 18px 12px;font-size:.72rem;font-weight:800;color:#687386}.tag{background:#eaf0fb;color:var(--blue);padding:5px 8px;border-radius:6px}.feed-visual{min-height:180px;padding:24px;display:flex;flex-direction:column;justify-content:end;color:white;font-family:"Barlow Condensed",sans-serif;font-size:2rem;letter-spacing:.04em;position:relative;overflow:hidden}.feed-visual::after{content:"";position:absolute;inset:auto -60px -80px auto;width:190px;height:190px;border:28px solid rgba(255,255,255,.08);border-radius:50%}.feed-visual span{font-size:2.3rem}.eden{background:linear-gradient(135deg,#1c6d46,#0f3c2b)}.print{background:linear-gradient(135deg,#174d9a,#0c2850)}.mars{background:linear-gradient(135deg,#81411f,#341a0f)}.matter{background:linear-gradient(135deg,#5d348f,#24163a)}.feed-body{padding:4px 20px 22px}.feed-body h3{margin:4px 0 8px;font-size:1.25rem}.feed-body p{color:#596474;margin:0 0 16px}.hashtags{color:var(--blue);font-weight:700;font-size:.83rem}.center{text-align:center;margin-top:34px}
.lab-notes{position:relative;overflow:hidden}.lab-notes::before{content:"";position:absolute;right:-180px;top:-180px;width:460px;height:460px;border:42px solid rgba(126,217,87,.12);border-radius:50%}.issue-chip{border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:9px 14px;font-family:"Barlow Condensed",sans-serif;font-weight:800;letter-spacing:.1em}.lab-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.3fr .7fr;gap:24px;position:relative}.lab-card{background:white;color:var(--text);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}.lab-card h3{font-family:"Barlow Condensed",sans-serif;font-size:2.7rem;line-height:1;margin:4px 0 14px;text-transform:uppercase}.micro{font-size:.74rem;font-weight:800;letter-spacing:.12em;color:var(--blue)}.lab-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:24px}.text-link{font-weight:800;color:var(--blue)}.lab-side{display:grid;gap:14px}.mini-card{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:20px;display:flex;gap:16px;align-items:center}.mini-card span{font-size:2rem}.mini-card strong{font-family:"Barlow Condensed",sans-serif;font-size:1.35rem;letter-spacing:.04em}.mini-card p{margin:2px 0 0;color:#d8e3f5;font-size:.9rem}
.live-section{border-top:1px solid #18202b}.off-air{border:1px solid #465469;border-radius:999px;padding:8px 14px;font-family:"Barlow Condensed",sans-serif;font-weight:800;letter-spacing:.12em}.off-air span{display:inline-block;width:8px;height:8px;border-radius:50%;background:#7b8797;margin-right:7px}.video-frame{max-width:1180px;margin:auto;border:1px solid #2d3949;border-radius:var(--radius);padding:14px;background:#0d1219;box-shadow:0 30px 80px rgba(0,0,0,.25)}.video-placeholder{aspect-ratio:16/9;border-radius:14px;background:radial-gradient(circle at 50% 45%,#19283f,#080b10 70%);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}.broadcast-icon{width:72px;height:72px;border-radius:50%;background:var(--lime);color:#09110b;display:grid;place-items:center;font-size:1.7rem;margin-bottom:18px}.video-placeholder h3{font-size:1.5rem;margin:0 0 6px}.video-placeholder p{max-width:620px;color:#a8b4c5}
.project-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.project-card{border:1px solid var(--line);border-radius:18px;padding:24px;position:relative;background:white;min-height:250px;display:flex;flex-direction:column}.project-card:hover{border-color:#a9bad8;box-shadow:var(--shadow)}.project-number{position:absolute;right:18px;top:14px;color:#cbd3df;font-family:"Barlow Condensed",sans-serif;font-weight:800;font-size:1.4rem}.project-icon{font-size:2.2rem;margin-top:18px}.project-card h3{font-family:"Barlow Condensed",sans-serif;font-size:1.8rem;margin:16px 0 2px;text-transform:uppercase}.project-card p{color:var(--muted);margin:0 0 24px}.project-card a{margin-top:auto;color:var(--blue);font-weight:800}
.calendar-shell{max-width:1180px;margin:auto;border-radius:var(--radius);overflow:hidden;background:white;border:1px solid var(--line);box-shadow:var(--shadow)}.calendar-head{padding:18px 24px;background:var(--black);color:white;display:flex;justify-content:space-between;font-family:"Barlow Condensed",sans-serif;font-weight:800;letter-spacing:.12em}.calendar-events{display:grid;grid-template-columns:repeat(4,1fr)}.event{padding:24px;border-right:1px solid var(--line);display:grid;grid-template-columns:auto 1fr;column-gap:12px}.event:last-child{border-right:0}.day{font-size:.7rem;font-weight:800;color:var(--blue);grid-column:1}.date{font-family:"Barlow Condensed",sans-serif;font-size:2.2rem;font-weight:800;grid-column:1}.event div{grid-column:2;grid-row:1/3}.event p{color:var(--muted);font-size:.82rem;margin:3px 0 0}
.ask-card{max-width:1180px;margin:auto;border:2px solid var(--black);border-radius:var(--radius);padding:34px;display:grid;grid-template-columns:.7fr 1.3fr;gap:30px;align-items:center;position:relative;overflow:hidden}.ask-card::after{content:"?";position:absolute;right:-20px;bottom:-90px;font-family:"Barlow Condensed",sans-serif;font-size:14rem;font-weight:800;color:#f1f3f6}.ask-card blockquote{margin:0;font-size:1.5rem;font-weight:700;line-height:1.35;position:relative;z-index:2}
.support-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}.support-panel{border:1px solid #374153;background:#0e141c;border-radius:var(--radius);padding:28px}.panel-label{display:block;color:var(--lime);font-family:"Barlow Condensed",sans-serif;font-weight:800;letter-spacing:.12em;font-size:.8rem;margin-bottom:12px}.support-panel strong{font-family:"Barlow Condensed",sans-serif;font-size:2rem}.support-panel p{color:#a8b4c5}
.connect-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1fr 1fr .8fr;gap:18px}.teacher-card,.school-card{border:1px solid var(--line);border-radius:18px;padding:26px;background:white}.teacher-role{font-size:.72rem;color:var(--blue);font-weight:800;letter-spacing:.12em}.teacher-card h3{font-family:"Barlow Condensed",sans-serif;font-size:2.1rem;margin:8px 0 2px;text-transform:uppercase}.teacher-card p{color:var(--muted)}.teacher-card a{color:var(--blue);font-weight:800}.school-card{display:flex;flex-direction:column;align-items:center;text-align:center;justify-content:center}.school-card img{max-height:160px;object-fit:contain}.school-card p{font-size:.85rem;color:var(--muted)}.resource-links{max-width:1180px;margin:22px auto 0;display:flex;gap:10px;flex-wrap:wrap}.resource-links a{border:1px solid var(--line);border-radius:999px;padding:9px 14px;font-weight:700}.resource-links a:hover{background:var(--off)}
.site-footer{background:#020304;color:white;border-top:1px solid #202733}.footer-inner{max-width:1220px;margin:auto;padding:28px 22px;display:flex;justify-content:space-between;align-items:center}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand img{width:64px;height:64px;object-fit:contain}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{font-family:"Barlow Condensed",sans-serif;font-size:1.5rem;letter-spacing:.05em}.footer-brand span,.footer-copy{color:#9aa8bc;font-size:.82rem}.footer-copy{letter-spacing:.14em;font-weight:700}
@media(max-width:900px){.main-nav{display:none;position:absolute;top:78px;left:0;right:0;background:#06080b;padding:18px 22px;flex-direction:column;border-top:1px solid #202733}.main-nav.open{display:flex}.menu-toggle{display:block}.header-inner{position:relative}.brand{min-width:0}.hero-inner{grid-template-columns:1fr}.hero-logo-wrap{order:-1}.hero-logo{width:260px}.hero{padding-top:46px}.quick-strip{grid-template-columns:repeat(2,1fr)}.split-heading{display:block}.signal-filter{justify-content:flex-start;margin-top:20px}.feed-grid{grid-template-columns:1fr}.feed-card.featured{grid-column:auto;display:block}.feed-card.featured .feed-meta,.feed-card.featured .feed-body,.feed-card.featured .feed-visual{grid-column:auto;grid-row:auto}.lab-grid,.support-grid,.connect-grid,.ask-card{grid-template-columns:1fr}.project-grid{grid-template-columns:repeat(2,1fr)}.calendar-events{grid-template-columns:1fr 1fr}.event{border-bottom:1px solid var(--line)} }
@media(max-width:600px){.section{padding:64px 18px}.hero{padding:38px 18px 48px}.header-inner{padding:10px 14px}.brand-mark{width:46px;height:46px}.brand-kicker{display:none}.brand-name{font-size:1.22rem}.hero h1{font-size:5rem}.hero-sub{font-size:1.05rem}.hero-actions{display:grid}.btn{width:100%}.quick-strip{grid-template-columns:1fr 1fr}.project-grid{grid-template-columns:1fr}.calendar-events{grid-template-columns:1fr}.event{border-right:0}.ask-card{padding:26px}.ask-card blockquote{font-size:1.25rem}.footer-inner{align-items:flex-start;gap:18px;flex-direction:column}.footer-copy{font-size:.72rem}}


/* Grade-level Google Classroom quick links */
.classroom-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.6rem 0 1rem;
}
.classroom-link {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: 1.1rem 1.2rem;
  border: 2px solid #0b49a0;
  background: #fff;
  color: #111;
  text-decoration: none;
  border-radius: 12px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.classroom-link:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.10); }
.classroom-link strong { font-family: 'Barlow Condensed', sans-serif; font-size: 1.35rem; text-transform: uppercase; color: #0b49a0; }
.classroom-link span { font-size: .9rem; font-weight: 600; }
@media (max-width: 760px) { .classroom-links { grid-template-columns: 1fr; } }