:root {
  --bg: #0a120e;
  --bg2: #0d1713;
  --panel: #111d17;
  --panel2: #14241c;
  --line: #213029;
  --green: #3ddc84;
  --green2: #5cc24a;
  --green-deep: #1f6b32;
  --text: #e7f0ea;
  --muted: #8aa697;
  --muted2: #6c8678;
  --max: 1180px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 100px; font-weight: 600; font-size: 0.96rem;
  cursor: pointer; border: 1px solid transparent; transition: transform .18s, box-shadow .18s, background .18s, border-color .18s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--green2) 100%);
  color: #062012; box-shadow: 0 8px 30px rgba(61, 220, 132, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(61, 220, 132, 0.4); }
.btn-outline { border-color: var(--line); color: var(--text); background: rgba(255,255,255,0.02); }
.btn-outline:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--line); padding: 9px 18px; font-size: 0.85rem; }
.btn-ghost:hover { border-color: var(--green); color: var(--green); }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px; backdrop-filter: blur(12px);
  background: rgba(10,18,14,0.55); border-bottom: 1px solid transparent;
  transition: background .25s, border-color .25s, padding .25s;
}
.nav.scrolled { background: rgba(10,18,14,0.9); border-bottom-color: var(--line); padding: 11px 28px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { width: 38px; height: 38px; }
.brand-name { font-family: 'Fraunces', serif; font-weight: 600; font-size: 1.32rem; letter-spacing: 0.3px; }
.brand-name span { color: var(--green); }
.brand-tagline { display: flex; align-items: center; gap: 8px; margin-left: 12px; padding-left: 13px;
  border-left: 1px solid var(--line); color: var(--muted2);
  font-size: 0.68rem; letter-spacing: 2.5px; text-transform: uppercase; }
.brand-tagline i { color: var(--green); font-style: normal; }
@media (max-width: 760px) { .brand-tagline { display: none; } }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 0.92rem; color: var(--muted); transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-links a.btn { color: var(--text); }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; overflow: hidden; padding: 120px 24px 80px;
  background: radial-gradient(1200px 700px at 50% -10%, #11271b 0%, var(--bg) 62%);
}
.hero-glow {
  position: absolute; width: 760px; height: 760px; border-radius: 50%; top: -200px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(61,220,132,0.22) 0%, transparent 62%);
  filter: blur(30px); animation: float 9s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(26px); } }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(61,220,132,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,220,132,0.05) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
}
.hero-inner { position: relative; max-width: 920px; }
.eyebrow {
  display: inline-block; font-size: 0.78rem; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--green); border: 1px solid var(--line); border-radius: 100px; padding: 7px 16px;
  margin-bottom: 28px; background: rgba(61,220,132,0.05);
}
.hero-title {
  font-family: 'Fraunces', serif; font-weight: 600; font-size: clamp(2.4rem, 6.2vw, 4.6rem);
  line-height: 1.05; letter-spacing: -1px; margin-bottom: 26px;
}
.grad { background: linear-gradient(120deg, var(--green) 10%, var(--green2) 60%, #b6f08a 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { font-size: clamp(1.02rem, 2vw, 1.22rem); color: var(--muted); max-width: 720px; margin: 0 auto 36px; }
.hero-sub strong { color: var(--text); font-weight: 600; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 42px; }
.hero-logo {
  display: block; width: 480px; max-width: 90%; margin: 38px auto 8px;
  border-radius: 18px; box-shadow: 0 18px 55px rgba(0,0,0,0.5);
  border: 1px solid rgba(61,220,132,0.18);
}

/* ---------- sections ---------- */
.section { padding: 110px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 50%, var(--bg) 100%); }
.act-tag { font-size: 0.78rem; letter-spacing: 2px; text-transform: uppercase; color: var(--green); margin-bottom: 18px; }
.section-title { font-family: 'Fraunces', serif; font-weight: 600; font-size: clamp(1.9rem, 4.2vw, 3rem);
  line-height: 1.12; letter-spacing: -0.5px; margin-bottom: 22px; }
.lede { font-size: clamp(1.02rem, 1.7vw, 1.18rem); color: var(--muted); max-width: 740px; }
.lede.center { margin: 0 auto; text-align: center; }
.source { color: var(--muted2); font-size: 0.78rem; margin-top: 18px; }

/* ---------- section imagery ---------- */
.section-figure { margin: 46px 0 0; position: relative; }
.section-figure img { display: block; width: 100%; height: auto;
  border-radius: 20px; border: 1px solid rgba(61,220,132,0.18); box-shadow: 0 22px 60px rgba(0,0,0,0.5); }
.section-figure figcaption { margin-top: 12px; font-size: 0.82rem; color: var(--muted2);
  letter-spacing: 0.3px; text-align: center; }
.figure-split { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; margin-top: 46px; }
.figure-split .section-figure { margin: 0; }
.figure-split img { height: auto; }
@media (max-width: 760px) { .figure-split { grid-template-columns: 1fr; } }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 32px 26px; }
.stat-num { font-family: 'Fraunces', serif; font-size: 3rem; font-weight: 700; color: var(--green); line-height: 1; margin-bottom: 14px; }
.stat-label { color: var(--muted); font-size: 0.96rem; }

/* ---------- features ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 52px; }
.feature { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 28px 24px;
  transition: transform .2s, border-color .2s, background .2s; }
.feature:hover { transform: translateY(-4px); border-color: rgba(61,220,132,0.4); background: var(--panel2); }
.f-ico { font-size: 1.8rem; margin-bottom: 14px; }
.feature h3 { font-size: 1.12rem; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 0.94rem; }

/* ---------- platform preview ---------- */
.platform-preview { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center;
  margin-top: 64px; background: var(--panel); border: 1px solid var(--line); border-radius: 24px; padding: 34px; }
.pp-frame { background: #0b1410; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.pp-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: #0e1813; border-bottom: 1px solid var(--line); }
.pp-bar span { width: 10px; height: 10px; border-radius: 50%; background: #2a3a30; }
.pp-bar em { margin-left: 10px; font-style: normal; color: var(--muted); font-size: 0.76rem; }
.pp-body { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 16px; }
.pp-tile { aspect-ratio: 1/1; border-radius: 8px; border: 1px solid rgba(255,255,255,0.07); }
.pp-tile.g { background: linear-gradient(135deg, #1f7a43, #2fa84a); }
.pp-tile.a { background: linear-gradient(135deg, #94791a, #c79a1e); }
.pp-tile.r { background: linear-gradient(135deg, #9a3a2c, #c14a35); }
.pp-copy h3 { font-family: 'Fraunces', serif; font-size: 1.6rem; margin-bottom: 12px; }
.pp-copy p { color: var(--muted); margin-bottom: 22px; }

/* ---------- roadmap ---------- */
.timeline { margin-top: 52px; display: flex; flex-direction: column; gap: 16px; }
.phase { display: flex; gap: 24px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
  padding: 28px 30px; transition: transform .2s, border-color .2s; }
.phase:hover { transform: translateX(6px); border-color: rgba(61,220,132,0.35); }
.phase-no { font-family: 'Fraunces', serif; font-size: 2.4rem; font-weight: 700; color: var(--green-deep); min-width: 64px; }
.phase-status { display: inline-block; font-size: 0.72rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line); border-radius: 100px; padding: 3px 12px; margin-bottom: 12px; }
.phase-status.now { color: #062012; background: var(--green); border-color: var(--green); }
.phase-status.impact { color: var(--green); border-color: var(--green); }
.phase-body h3 { font-size: 1.3rem; margin-bottom: 8px; }
.phase-body p { color: var(--muted); max-width: 760px; }

/* ---------- why invest ---------- */
.why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 52px; }
.why-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 30px 26px; }
.why-card h3 { font-size: 1.2rem; margin-bottom: 10px; color: var(--green); }
.why-card p { color: var(--muted); font-size: 0.96rem; }
.invest-cta { margin-top: 48px; text-align: center; background: linear-gradient(135deg, rgba(61,220,132,0.08), rgba(31,107,50,0.06));
  border: 1px solid var(--line); border-radius: 24px; padding: 44px 30px; }
.invest-cta p { font-size: 1.16rem; color: var(--text); max-width: 640px; margin: 0 auto 24px; }

/* ---------- thesis band ---------- */
.thesis { padding: 90px 0; text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, #0e1a14 50%, var(--bg) 100%);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.thesis-text { font-family: 'Fraunces', serif; font-weight: 500; font-size: clamp(1.4rem, 3.2vw, 2.3rem);
  line-height: 1.32; letter-spacing: -0.3px; max-width: 940px; margin: 0 auto; color: var(--text); }

/* ---------- ubuntu ---------- */
.ubuntu { position: relative; text-align: center; padding: 108px 24px; overflow: hidden;
  background: radial-gradient(900px 500px at 50% 50%, #112a1c 0%, var(--bg) 70%); }
.ubuntu-glow { position: absolute; width: 600px; height: 600px; border-radius: 50%; top: 50%; left: 50%;
  transform: translate(-50%,-50%); background: radial-gradient(circle, rgba(61,220,132,0.16), transparent 65%); filter: blur(40px); }
.ubuntu .container { position: relative; }
.ubuntu-quote { font-family: 'Fraunces', serif; font-weight: 600; font-size: clamp(2.2rem, 5.5vw, 4rem);
  line-height: 1.1; letter-spacing: -0.5px; }
.ubuntu-word { color: var(--green); letter-spacing: 6px; text-transform: uppercase; font-size: 0.85rem; margin: 18px 0 30px; }
.ubuntu-copy { max-width: 720px; margin: 0 auto; color: var(--muted); font-size: clamp(1.02rem, 1.8vw, 1.2rem); }

/* ---------- join ---------- */
.join { padding: 96px 0 104px; text-align: center; }
.join .section-title { text-align: center; }
.join-form { display: flex; gap: 12px; justify-content: center; align-items: center; flex-wrap: wrap; margin: 38px auto 0; max-width: 600px; }
.join-form input[type=email] { flex: 1; min-width: 240px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 100px; padding: 14px 22px; color: var(--text); font-size: 1rem; font-family: inherit; outline: none; transition: border-color .15s; }
.join-form input[type=email]:focus { border-color: var(--green); }
.join-check { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 0.88rem; cursor: pointer; }
.join-check input { accent-color: var(--green); width: 16px; height: 16px; }
.join-thanks { margin-top: 24px; color: var(--green); font-size: 1.05rem; }
.join-or { margin-top: 28px; color: var(--muted); }
.join-or a { color: var(--green); border-bottom: 1px solid rgba(61,220,132,0.4); }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 48px 0; background: var(--bg2); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 40px; height: 40px; }
.footer-brand strong { display: block; font-family: 'Fraunces', serif; font-size: 1.15rem; }
.footer-brand span { color: var(--muted2); font-size: 0.76rem; letter-spacing: 1.5px; text-transform: uppercase; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--green); }
.footer-meta { display: flex; flex-direction: column; gap: 4px; text-align: right; color: var(--muted2); font-size: 0.82rem; }
.footer-meta a { color: var(--muted); }
.footer-meta a:hover { color: var(--green); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .stats, .features, .why { grid-template-columns: 1fr; }
  .platform-preview { grid-template-columns: 1fr; }
  .nav-links { position: fixed; top: 64px; right: 16px; left: 16px; flex-direction: column; align-items: stretch;
    gap: 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px;
    display: none; box-shadow: 0 20px 50px rgba(0,0,0,0.5); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 12px; }
  .nav-toggle { display: block; }
  .footer-inner { flex-direction: column; align-items: flex-start; text-align: left; }
  .footer-meta { text-align: left; }
  /* tighten vertical rhythm on tablets */
  .section { padding: 80px 0; }
  .thesis { padding: 68px 0; }
  .ubuntu { padding: 92px 24px; }
  .join { padding: 80px 0 88px; }
  .section-figure, .figure-split { margin-top: 36px; }
  .stats, .features, .why { margin-top: 36px; }
  .timeline { margin-top: 36px; }
  .platform-preview { margin-top: 44px; }
}

/* ---------- phones: collapse the big fixed gaps ---------- */
@media (max-width: 600px) {
  .section { padding: 54px 0; }
  .hero { min-height: auto; padding: 100px 22px 52px; }
  .hero-logo { margin: 24px auto 6px; }
  .thesis { padding: 46px 0; }
  .ubuntu { padding: 62px 20px; }
  .ubuntu-glow { width: 360px; height: 360px; }
  .join { padding: 54px 0 60px; }
  .section-figure, .figure-split { margin-top: 28px; }
  .stats, .features, .why { margin-top: 28px; gap: 14px; }
  .timeline { margin-top: 28px; }
  .platform-preview { margin-top: 34px; padding: 24px; }
  .invest-cta { margin-top: 32px; padding: 32px 22px; }
  .stat { padding: 24px 22px; }
  .container { padding: 0 20px; }
}

/* ---------- 4-up problem stats ---------- */
.stats-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- win-win grid ---------- */
.winwin-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 52px; }
.ww-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
  padding: 28px 24px; transition: transform .2s, border-color .2s; }
.ww-card:hover { transform: translateY(-4px); border-color: rgba(61,220,132,0.4); }
.ww-ico { font-size: 1.8rem; margin-bottom: 12px; }
.ww-card h3 { font-size: 1.12rem; margin-bottom: 8px; color: var(--green); }
.ww-card p { color: var(--muted); font-size: 0.95rem; line-height: 1.55; }

@media (max-width: 1000px) { .stats-4, .winwin-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .stats-4, .winwin-grid { grid-template-columns: 1fr; } }