/* Single visual world, matching the Groundwork flyer: ink and lime, with a paper section band.
   Layout: dark hero, alternating paper and ink sections, lime call-to-action band. */
:root{
  --ink:#121814;
  --ink-2:#1b221d;
  --lime:#c5f24d;
  --paper:#f6f7f3;
  --card:#eceee8;
  --muted:#5b605d;
  --rule:#d7dad5;
  --display:"Space Grotesk","Helvetica Neue",Arial,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
a:focus-visible,button:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 clamp(16px,4vw,40px)}
h1,h2,h3{font-family:var(--display);text-wrap:balance;letter-spacing:-0.015em;line-height:1.08}
h2{font-size:clamp(28px,3.4vw,40px);font-weight:700}
h3{font-size:19px;font-weight:600;letter-spacing:-0.005em;line-height:1.25}
.eyebrow{font-family:var(--display);font-weight:700;font-size:12px;letter-spacing:0.16em;text-transform:uppercase;color:var(--muted)}
section{padding:clamp(56px,8vw,96px) 0}
.sechead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 24px;margin-bottom:32px}
.sechead p{color:var(--muted);font-size:15px;max-width:52ch}

/* logo */
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.mark{display:flex;flex-direction:column;gap:3px;width:24px}
.mark i{display:block;height:5px;background:currentColor}
.mark i:nth-child(1){width:55%}.mark i:nth-child(2){width:80%}.mark i:nth-child(3){background:var(--lime)}
.word{font-family:var(--display);font-weight:700;letter-spacing:0.22em;font-size:15px}

/* nav */
header{background:var(--ink);color:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid #263029}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.nav ul{display:flex;gap:28px;list-style:none;font-size:14px}
.nav ul a{text-decoration:none;color:#c9cec9}
.nav ul a:hover{color:#fff}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:700;font-size:15px;text-decoration:none;border-radius:999px;padding:11px 20px;border:0;cursor:pointer;transition:transform .15s ease, background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px #4a544d}
.btn-ghost:hover{box-shadow:inset 0 0 0 1.5px var(--lime)}
.btn-ink{background:var(--ink);color:#fff}
.nav .btn{padding:9px 16px;font-size:14px}

/* hero */
.hero{background:var(--ink);color:#fff;padding:clamp(56px,9vw,112px) 0 clamp(56px,8vw,96px);position:relative;overflow:hidden}
.hero .kicker{font-family:var(--display);font-weight:700;font-size:13px;letter-spacing:0.14em;color:var(--lime);text-transform:uppercase}
.hero h1{font-size:clamp(48px,8.4vw,104px);font-weight:700;margin-top:20px;letter-spacing:-0.025em;line-height:0.98}
.hero h1 span{display:block;color:var(--lime)}
.hero .lede{font-size:clamp(18px,1.8vw,22px);line-height:1.55;color:#dfe3df;max-width:min(62ch,70%);margin-top:28px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.bars{position:absolute;right:clamp(16px,4vw,40px);bottom:clamp(40px,6vw,72px);width:min(28vw,300px);display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.bars i{display:block;height:12px}
.bars i:nth-child(1){width:35%;background:#2c332e}.bars i:nth-child(2){width:70%;background:#434b45}.bars i:nth-child(3){width:100%;background:var(--lime)}
@media (max-width:760px){.bars{display:none}.hero .lede{max-width:none}}

/* problem */
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px)}
.two p{margin-top:12px;color:#2f3531}
@media (max-width:760px){.two{grid-template-columns:1fr}}

/* principles */
.dark{background:var(--ink);color:#fff}
.dark .eyebrow,.dark .sechead p{color:#9aa29c}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:36px 32px}
.pr{border-top:2px solid var(--lime);padding-top:16px}
.pr .n{font-family:var(--display);font-size:13px;color:#9aa29c;font-variant-numeric:tabular-nums}
.pr h3{margin-top:8px}
.pr p{margin-top:6px;color:#c9cec9;font-size:15.5px}
@media (max-width:860px){.grid3{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.grid3{grid-template-columns:1fr}}

/* what we do */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:#fff;border:1px solid var(--rule);border-radius:10px;padding:24px 22px}
.card p{margin-top:8px;color:#3a403c;font-size:15.5px}
@media (max-width:960px){.cards{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.cards{grid-template-columns:1fr}}

/* sessions */
.sessions{list-style:none;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:repeat(3,auto);grid-auto-flow:column;column-gap:40px}
.sessions li{display:grid;grid-template-columns:96px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--rule)}
.sessions .w{font-family:var(--display);font-weight:700;font-size:13px;letter-spacing:0.1em;color:var(--muted);padding-top:3px;font-variant-numeric:tabular-nums}
.sessions b{font-weight:700}
@media (max-width:760px){.sessions{grid-template-columns:1fr;grid-template-rows:none;grid-auto-flow:row}.sessions li{grid-template-columns:76px 1fr}}

/* advisory board */
.board{display:flex;flex-wrap:wrap;justify-content:center;gap:28px 20px}
.board .member{width:calc((100% - 80px)/5)}
.member{text-align:center;display:flex;flex-direction:column;align-items:center}
.ph{width:112px;height:112px;border-radius:50%;overflow:hidden;background:var(--card);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:28px;color:#7a807c}
.ph img{width:100%;height:100%;object-fit:cover}
.member.chair .ph{box-shadow:0 0 0 3px var(--paper),0 0 0 6px var(--lime)}
.member h3{margin-top:14px;font-size:17px}
.member .role{font-size:13.5px;color:var(--muted);line-height:1.45;margin-top:4px}
.tag{display:inline-block;margin-top:8px;font-family:var(--display);font-weight:700;font-size:11px;letter-spacing:0.12em;text-transform:uppercase;background:var(--lime);color:var(--ink);border-radius:999px;padding:3px 10px}
.member.soon .ph{background:transparent;border:2px dashed #b9beb9;color:#a2a8a3;font-size:15px;font-weight:600;letter-spacing:0.02em}
.member.soon h3{color:#9aa09b;font-weight:500;font-size:15px}
@media (max-width:960px){.board .member{width:calc((100% - 40px)/3)}}
@media (max-width:520px){.board .member{width:calc((100% - 20px)/2)}.ph{width:92px;height:92px}}

/* transparency */
.who{background:#fff;border:1px solid var(--rule);border-left:4px solid var(--lime);border-radius:8px;padding:24px 28px}
.who p{color:#2f3531;font-size:16px}
.who p+p{margin-top:10px}

/* join */
.join{background:var(--lime);color:var(--ink);padding:clamp(56px,8vw,96px) 0}
.join h2{font-size:clamp(40px,6vw,72px)}
.join p{font-size:clamp(18px,1.7vw,21px);margin-top:18px}
.mail{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:28px}
.addr{font-family:var(--display);font-weight:700;font-size:clamp(20px,2.4vw,26px);background:rgba(18,24,20,.08);border-radius:8px;padding:10px 16px;user-select:all}
.copied{font-size:14px;min-width:6ch}
.join .small{font-size:15px;margin-top:22px;opacity:.85}

footer{background:var(--ink);color:#9aa29c;font-size:14px;padding:32px 0}
footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px}
footer .logo{color:#fff}
footer .word{font-size:13px}

@media (max-width:860px){.nav ul{display:none}}

.two h2{margin-top:10px}
.tight-top{padding-top:0}
.band{background:#fff;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}