:root {
  --ink: #171717;
  --muted: #6d6d6d;
  --line: #d8d8d8;
  --paper: #f4f3ef;
  --white: #fffefa;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Georgia, 'Times New Roman', serif; }
a { color: inherit; }
.page-width { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.site-header { width: min(1280px, calc(100% - 48px)); min-height: 88px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 0; font: 700 15px/1 Arial, sans-serif; text-decoration: none; letter-spacing: .04em; }
.brand-mark { display: none; }
nav { display: flex; align-items: center; gap: 22px; font: 12px/1 Arial, sans-serif; }
nav a { order: 3; color: var(--muted); text-decoration: none; }
nav a[href="index.html"] { order: 1; }
nav a[href="join.html"] { order: 2; }
nav a:hover, nav a.active { color: var(--ink); }
nav a.active { text-decoration: underline; text-underline-offset: 6px; }
nav .nav-join { order: 2; padding: 0; border: 0; color: var(--muted); background: transparent; }
.hero { padding: 112px 0 108px; }
.eyebrow, .section-label { margin: 0 0 22px; color: var(--muted); font: 10px/1.3 Arial, sans-serif; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 720px; margin-bottom: 28px; font-size: clamp(64px, 10vw, 132px); font-weight: 400; line-height: .86; letter-spacing: -.055em; }
h1 em, h2 span { color: var(--muted); font-style: italic; }
.intro, .lead { max-width: 500px; color: #414141; font-size: 19px; line-height: 1.48; }
.hero-actions { display: flex; align-items: center; gap: 25px; margin-top: 42px; }
.button { display: inline-flex; align-items: center; gap: 22px; padding: 15px 18px; text-decoration: none; font: 12px/1 Arial, sans-serif; }
.button-dark { color: var(--white); background: var(--ink); }
.text-link { font: 12px/1 Arial, sans-serif; text-underline-offset: 4px; }
.invite-section { padding: 0 0 105px; }
.invite-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; padding-top: 4px; border-top: 1px solid var(--line); }
.invite-grid .eyebrow { margin: 25px 0 11px; }
.join-description { max-width: 530px; margin: -7px 0 21px; color: #414141; font-size: 17px; line-height: 1.45; }
.invite-link { font: 700 clamp(16px, 2.2vw, 24px)/1.2 Arial, sans-serif; text-underline-offset: 5px; overflow-wrap: anywhere; }
.invite-code-block { padding-right: 40px; border-right: 1px solid var(--line); }
.invite-link-block { padding-left: 40px; }
code { font: 700 20px/1.2 'Courier New', monospace; letter-spacing: .04em; }
.story-section { padding: 105px 0 115px; }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
h2 { margin-bottom: 0; font-size: clamp(42px, 6vw, 76px); font-weight: 400; line-height: .92; letter-spacing: -.045em; }
.copy-stack { max-width: 440px; color: #414141; font-size: 18px; line-height: 1.55; }
.feature-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.feature-grid article { padding: 42px 34px 48px 0; border-right: 1px solid var(--line); }
.feature-grid article + article { padding-left: 34px; }
.feature-grid article:last-child { border: 0; }
.feature-number { color: var(--muted); font: 11px/1 Arial, sans-serif; }
h3 { margin: 28px 0 12px; font-size: 25px; font-weight: 400; }
.feature-grid p { max-width: 260px; margin-bottom: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
.site-footer { display: flex; justify-content: space-between; padding: 29px 0 34px; color: var(--muted); font: 10px/1 Arial, sans-serif; letter-spacing: .08em; text-transform: uppercase; }
.inner-page { min-height: calc(100vh - 190px); padding: 105px 0; }
.inner-page h1 { font-size: clamp(60px, 9vw, 115px); margin-bottom: 28px; }
.join-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 85px; }
.detail-list { margin-bottom: 35px; border-top: 1px solid var(--line); }
.detail-list > div { display: flex; flex-direction: column; gap: 9px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.detail-list span { color: var(--muted); font: 10px/1 Arial, sans-serif; letter-spacing: .14em; text-transform: uppercase; }
.detail-list a { font-size: 16px; overflow-wrap: anywhere; }
.detail-list code { font-size: 18px; }
.steps { margin: 0; padding: 0; list-style: none; counter-reset: steps; }
.steps li { counter-increment: steps; position: relative; padding: 0 0 28px 43px; color: var(--muted); font-size: 16px; line-height: 1.5; }
.steps li::before { content: counter(steps, decimal-leading-zero); position: absolute; left: 0; top: 2px; color: var(--ink); font: 11px/1 Arial, sans-serif; }
.steps strong { color: var(--ink); font-weight: 400; }
.prose { max-width: 600px; margin-top: 65px; color: #414141; font-size: 21px; line-height: 1.55; }
.notice { max-width: 650px; display: flex; flex-direction: column; gap: 14px; margin-top: 65px; padding: 25px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); font-size: 18px; line-height: 1.5; }
.notice strong { font-weight: 400; font-size: 25px; }
.notice code { font-size: 16px; }
.command-list { max-width: 760px; margin-top: 65px; border-top: 1px solid var(--ink); }
.command-row { display: grid; grid-template-columns: minmax(230px, .8fr) 1.2fr; gap: 30px; align-items: center; padding: 19px 0; border-bottom: 1px solid var(--line); }
.command-row > code { font-size: 16px; }
.command-row p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.4; }
.command-row p code { font-size: 14px; }
.staff-roles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 65px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.staff-role { min-height: 245px; padding: 28px 28px 28px 0; border-right: 1px solid var(--line); }
.staff-role + .staff-role { padding-left: 28px; }
.staff-role:last-child { border-right: 0; }
.staff-role h2 { margin: 28px 0 18px; font-size: 24px; }
.staff-member { margin: 0 0 12px; padding: 16px 17px; background: var(--white); border: 1px solid var(--line); }
.staff-member p { margin: 0; font-size: 18px; }
.staff-member span { display: block; margin-top: 7px; color: var(--muted); font: italic 13px/1.4 Georgia, 'Times New Roman', serif; }

@media (max-width: 780px) {
  .page-width, .site-header { width: min(100% - 32px, 600px); }
  .site-header { align-items: flex-start; flex-direction: column; padding: 20px 0; }
  nav { width: 100%; flex-wrap: wrap; gap: 15px 18px; }
  nav .nav-join { margin-left: auto; }
  .hero { padding: 76px 0 74px; }
  h1 { font-size: clamp(58px, 18vw, 96px); }
  .intro { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .invite-section { padding-bottom: 72px; }
  .invite-grid, .story-grid, .join-layout { grid-template-columns: 1fr; gap: 0; }
  .invite-code-block { padding: 0 0 24px; border-right: 0; border-bottom: 1px solid var(--line); }
  .invite-link-block { padding: 24px 0 0; }
  .story-section, .inner-page { padding: 72px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article, .feature-grid article + article { padding: 32px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature-grid article:last-child { border-bottom: 0; }
  .join-layout { margin-top: 58px; }
  .staff-roles { grid-template-columns: 1fr; }
  .staff-role, .staff-role + .staff-role { min-height: 0; padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .staff-role:last-child { border-bottom: 0; }
  .prose { margin-top: 45px; font-size: 18px; }
  .command-list { margin-top: 48px; }
  .command-row { grid-template-columns: 1fr; gap: 8px; padding: 17px 0; }
  .site-footer { gap: 15px; flex-direction: column; line-height: 1.4; }
}