/* Strong Squares marketing + legal shell: the luxury identity.
   Gallery-white ground, graphite ink, editorial serif, a single champagne-gold accent, an onyx
   topbar. Rolex / Porsche / Steinway: not Fisher-Price. Matches the app.
   Self-contained: no build step, no external requests, no web fonts (system serif stack). */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f4f3f0;          /* warm gallery white */
  --surface: #ffffff;
  --surface-2: #edece7;
  --line: #e3e1da;        /* hairline */
  --line-soft: #eeece7;
  --ink: #16171a;         /* graphite */
  --text: #16171a;
  --text-dim: #6f7078;
  --accent: #b0894f;      /* champagne / brass gold */
  --accent-soft: #cbb183;
  --onyx: #16171a;
  --ivory: #f4f2ec;
  --gold: #b0894f;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(20, 20, 25, 0.04), 0 2px 8px rgba(20, 20, 25, 0.05);
  --shadow: 0 1px 2px rgba(20, 20, 25, 0.05), 0 12px 34px rgba(20, 20, 25, 0.08);
  --serif: "Hoefler Text", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, Cambria, "Times New Roman", serif;
  --sans: "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 4px;
  background: var(--ivory);
  color: var(--onyx);
  font: 700 0.85rem var(--sans);
}
.skip-link:focus { transform: translateY(0); }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; letter-spacing: 0; line-height: 1.14; color: var(--ink); text-wrap: balance; }
h1 { font-weight: 500; letter-spacing: -0.5px; }

a { color: var(--ink); text-decoration-color: var(--accent-soft); text-underline-offset: 2px; }
a:hover { color: var(--accent); }

.site-shell { max-width: 1060px; margin: 0 auto; padding: 0 22px; }

/* ---------- topbar (onyx) ---------- */
.site-header { padding: 16px 0 6px; }
.site-topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  background: var(--onyx); border-radius: var(--radius);
  padding: 13px 22px; flex-wrap: wrap;
}
.site-logo {
  font-family: var(--serif); font-size: 1.32rem; font-weight: 500; letter-spacing: 0.2px;
  color: var(--ivory); text-decoration: none; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 11px;
}
.site-mark { height: 1.3em; width: auto; display: block; }
.site-nav { display: flex; align-items: center; gap: 6px 20px; flex-wrap: wrap; }
.site-nav a { font-family: var(--sans); color: rgba(244, 242, 236, 0.72); text-decoration: none; font-size: 0.92rem; font-weight: 500; letter-spacing: 0.2px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: #fff; }
.site-cta {
  background: var(--accent); color: var(--onyx) !important; border-radius: 999px; padding: 9px 20px;
  font-family: var(--sans); font-weight: 600; font-size: 0.86rem; letter-spacing: 0.3px;
  transition: filter 0.15s ease;
}
.site-cta:hover { filter: brightness(1.06); }

/* ---------- hero ---------- */
.hero { text-align: center; padding: 84px 0 60px; position: relative; overflow: hidden; }
.eyebrow { font-family: var(--sans); color: var(--accent); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 3px; }
.hero h1 { font-size: 3.4rem; font-weight: 500; margin: 18px auto 6px; max-width: 820px; }
.checker-rule {
  width: 60px; height: 2px; margin: 22px auto 24px; border: none; border-radius: 2px;
  background: var(--accent); opacity: 0.9;
}
.hero-sub { color: var(--text-dim); font-size: 1.2rem; line-height: 1.62; max-width: 640px; margin: 0 auto 16px; text-wrap: pretty; }
.hero-levels { font-family: var(--sans); color: var(--text-dim); font-weight: 500; font-size: 0.98rem; max-width: 580px; margin: 0 auto 32px; text-wrap: pretty; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-big {
  font-family: var(--sans); font-size: 0.95rem; font-weight: 600; letter-spacing: 0.2px;
  border-radius: 999px; padding: 14px 32px; cursor: pointer; text-decoration: none;
  border: 1px solid var(--ink); transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  display: inline-block;
}
.btn-big.primary { background: var(--ink); color: var(--ivory); }
.btn-big.primary:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-big.ghost { background: var(--surface); color: var(--ink); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-big.ghost:hover { transform: translateY(-2px); border-color: var(--accent); }
.cta-note { font-family: var(--sans); color: var(--text-dim); font-size: 0.86rem; margin-top: 14px; }

/* hero stats */
.hero-stats {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 52px;
  margin: 46px auto 0; padding: 28px 0 0; border-top: 1px solid var(--line); max-width: 680px;
}
.hero-stats div { text-align: center; }
.hero-stats dt { font-family: var(--serif); font-size: 2rem; font-weight: 500; color: var(--ink); line-height: 1; font-variant-numeric: tabular-nums; }
.hero-stats dd { font-family: var(--sans); margin: 8px 0 0; font-size: 0.66rem; letter-spacing: 1.6px; text-transform: uppercase; color: var(--text-dim); font-weight: 600; }

/* ---------- bands ---------- */
.band { padding: 78px 0; }
.band.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band h2 { font-size: 2.3rem; font-weight: 500; text-align: center; margin-bottom: 14px; letter-spacing: -0.3px; }
.band-lead { color: var(--text-dim); text-align: center; max-width: 620px; margin: 0 auto 42px; line-height: 1.65; font-size: 1.08rem; text-wrap: pretty; }
.band-copy { color: var(--text-dim); max-width: 660px; margin: 0 auto; line-height: 1.75; font-size: 1.06rem; text-wrap: pretty; }
.band-center { text-align: center; }
.band-center .band-copy { text-align: center; }
.band-center .cta-row { margin-top: 26px; }
.band em { font-style: italic; color: var(--ink); }

/* feature grid: restrained graphite icon tiles */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.feature-cell {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow-sm); transition: border-color 0.2s ease, transform 0.2s ease;
}
.feature-cell:hover { border-color: var(--accent-soft); transform: translateY(-2px); }
.band.alt .feature-cell { background: var(--bg); }
.feature-icon {
  width: 46px; height: 46px; border-radius: var(--radius); margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center; font-size: 1.35rem;
  background: var(--surface-2); color: var(--ink); border: 1px solid var(--line);
}
/* colour-variant classes kept for markup compatibility, but all read as one restrained tile */
.feature-icon.sienna, .feature-icon.walnut, .feature-icon.gold, .feature-icon.forest2 { background: var(--surface-2); color: var(--ink); }
.feature-cell h3 { font-size: 1.28rem; font-weight: 600; margin-bottom: 8px; }
.feature-cell p { color: var(--text-dim); line-height: 1.6; font-size: 1rem; }

/* chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.chip {
  font-family: var(--sans); border: 1px solid var(--line); border-radius: 999px; padding: 8px 18px; font-size: 0.88rem;
  color: var(--text); background: var(--surface); font-weight: 500; box-shadow: var(--shadow-sm);
}

/* screenshot placeholders */
.shot-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 6px; }
.shot {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); overflow: hidden;
}
.shot-frame {
  aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
  background:
    repeating-conic-gradient(rgba(22, 23, 26, 0.05) 0% 25%, transparent 0% 50%) 0 0 / 44px 44px,
    var(--surface-2);
  font-family: var(--sans); color: var(--text-dim); font-weight: 500; font-size: 0.88rem; letter-spacing: 0.3px;
}
.shot-cap { font-family: var(--sans); padding: 13px 16px; font-size: 0.88rem; font-weight: 500; color: var(--text); border-top: 1px solid var(--line); }

/* pull quote */
.quote-band { text-align: center; }
.quote { font-family: var(--serif); font-size: 1.7rem; font-weight: 500; font-style: italic; color: var(--ink); max-width: 660px; margin: 0 auto; line-height: 1.4; text-wrap: balance; }
.quote-attr { font-family: var(--sans); color: var(--text-dim); font-size: 0.82rem; margin-top: 14px; letter-spacing: 0.8px; text-transform: uppercase; font-weight: 600; }

/* final cta */
.final-cta h2 { font-size: 2.6rem; }
.final-cta .cta-row { margin-top: 28px; }

/* ---------- legal ---------- */
.legal-copy { max-width: 720px; margin: 0 auto; padding: 34px 0 56px; line-height: 1.72; font-size: 1.05rem; }
.legal-copy h1 { font-size: 2.4rem; font-weight: 500; margin-bottom: 6px; }
.legal-copy .updated { font-family: var(--sans); color: var(--text-dim); font-size: 0.9rem; margin-bottom: 30px; }
.legal-copy h2 { font-size: 1.45rem; font-weight: 600; margin: 34px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.legal-copy p, .legal-copy li { margin-bottom: 11px; color: var(--text); }
.legal-copy ul, .legal-copy ol { margin: 0 0 12px 24px; }
.legal-copy strong { color: var(--ink); font-weight: 600; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: 44px; padding: 32px 0 48px; text-align: center; }
.site-footer-links { font-family: var(--sans); display: flex; gap: 8px 24px; justify-content: center; flex-wrap: wrap; margin-bottom: 14px; }
.site-footer-links a { color: var(--text-dim); text-decoration: none; font-size: 0.9rem; font-weight: 500; }
.site-footer-links a:hover { color: var(--accent); }
.site-footer p { font-family: var(--sans); color: var(--text-dim); font-size: 0.86rem; }

.checkout-status {
  min-height: 1.5em;
  margin: 28px auto 0;
  color: var(--text-dim);
  font-family: var(--sans);
  font-size: 0.9rem;
  text-align: center;
}

/* ---------- SEO learn / tools pages ---------- */
.learn-copy, .tool-copy { max-width: 640px; margin: 0 auto; padding: 30px 0 56px; }
.learn-copy h1, .tool-copy h1 { font-size: 2.4rem; font-weight: 500; margin: 8px 0 18px; }
.learn-copy h2 { font-size: 1.4rem; font-weight: 600; margin: 34px 0 12px; }
.learn-body { font-size: 1.08rem; line-height: 1.72; color: var(--text); }
.learn-body b { color: var(--ink); }
.learn-lede { font-size: 1.12rem; line-height: 1.6; color: var(--text-dim); margin-bottom: 8px; }
.learn-cta { margin-top: 28px; }
.op-lines { display: flex; flex-direction: column; gap: 14px; }
.op-line { background: var(--surface); border: 1px solid var(--line); border-left: 2px solid var(--accent); border-radius: var(--radius); padding: 14px 18px; }
.op-line h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 4px; }
.op-moves { font-family: var(--sans); font-size: 0.95rem; color: var(--text-dim); }

/* widgets */
.ss-widget { margin: 8px 0 6px; }
.ss-board { width: min(420px, 100%); margin: 0 auto 10px; }
.ss-board .chessboard { width: 100%; height: auto; display: block; border-radius: 4px; box-shadow: var(--shadow); }
.ss-status { font-family: var(--sans); text-align: center; font-size: 0.95rem; font-weight: 500; color: var(--text-dim); min-height: 1.3em; }
.ss-explain { font-family: var(--sans); text-align: center; font-size: 0.95rem; color: var(--text); margin-top: 6px; min-height: 1em; }
.ss-explain:empty { display: none; }
.ss-row { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin: 8px 0; }
.ss-btn { font-family: var(--sans); font-size: 0.85rem; font-weight: 600; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; }
.ss-btn:hover { border-color: var(--accent); }
.ss-btn.primary { background: var(--ink); color: var(--ivory); border-color: var(--ink); }
.ss-input, .ss-select, .ss-textarea { font-family: var(--sans); font-size: 0.9rem; padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--ink); }
.ss-input { flex: 1 1 260px; min-width: 0; }
.ss-textarea { width: 100%; min-height: 90px; margin: 8px 0; resize: vertical; }

/* coordinates trainer */
.ss-coord { max-width: 420px; margin: 0 auto; }
.ss-grid { display: grid; grid-template-columns: repeat(8, 1fr); aspect-ratio: 1; border-radius: 4px; overflow: hidden; box-shadow: var(--shadow); }
.ss-cell { border: none; cursor: pointer; padding: 0; }
.ss-cell.lt { background: #e7e3da; } .ss-cell.dk { background: #8e8980; }
.ss-cell.ok { background: var(--accent) !important; } .ss-cell.no { background: var(--red) !important; }
.ss-coordbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; font-family: var(--sans); }
.ss-coord-prompt { font-size: 1.05rem; } .ss-coord-score { font-size: 0.9rem; color: var(--text-dim); font-weight: 600; }

/* chess clock */
.ss-clock { max-width: 420px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.ss-clockface { font-family: var(--sans); font-variant-numeric: tabular-nums; font-size: 3.4rem; font-weight: 600; padding: 28px 0; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; }
.ss-clockface.top { transform: rotate(180deg); }
.ss-clockface.run { background: var(--ink); color: var(--ivory); border-color: var(--ink); }
.ss-clockface.flag { background: var(--red); color: #fff; }
.ss-clockctl { display: flex; gap: 8px; justify-content: center; align-items: center; }

/* hubs */
.hub-hero { text-align: center; padding: 48px 0 24px; }
.hub-hero h1 { font-size: 2.8rem; font-weight: 500; margin: 10px 0 12px; }
.hub-h2 { font-size: 1.5rem; font-weight: 600; margin: 34px 0 16px; }
.hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin-bottom: 30px; }
.hub-card { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; text-decoration: none; transition: border-color 0.2s, transform 0.2s; }
.hub-card:hover { border-color: var(--accent-soft); transform: translateY(-2px); }
.hub-card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 4px; color: var(--ink); }
.hub-card p { font-family: var(--sans); font-size: 0.85rem; color: var(--text-dim); line-height: 1.45; }
.openingname, .ss-openingname { font-family: var(--sans); text-align: center; font-size: 1.05rem; margin-top: 8px; min-height: 1.3em; }
.ss-eval { font-family: var(--sans); text-align: center; font-size: 1.05rem; color: var(--text); margin: 8px 0; min-height: 1.4em; font-variant-numeric: tabular-nums; }

/* ---------- editorial home ---------- */
.landing { background: #f3f1ec; color: #18191b; }
.landing-shell { width: min(1240px, calc(100% - 64px)); margin-inline: auto; }
.landing-header { position: absolute; inset: 0 0 auto; z-index: 4; color: #f6f2e9; }
.landing-nav { min-height: 104px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 36px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.18); }
.landing-logo { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; font-size: 1.22rem; font-weight: 500; }
.landing-logo svg { width: 25px; height: 30px; fill: currentColor; }
.landing-logo .keep-square { fill: #c8a86d; }
.landing-links { display: flex; gap: 32px; align-items: center; font-family: var(--sans); }
.landing-links a { color: rgba(246,242,233,.7); text-decoration: none; font-size: .78rem; letter-spacing: .06em; }
.landing-links a:hover { color: #fff; }
.landing-enter { justify-self: end; color: #f6f2e9; text-decoration: none; font: 600 .78rem var(--sans); letter-spacing: .04em; }
.landing-enter span, .text-arrow span { display: inline-block; margin-left: 9px; transition: transform .2s ease; }
.landing-enter:hover span, .text-arrow:hover span { transform: translateX(4px); }
.landing-hero { min-height: 820px; display: flex; align-items: center; background: #17191a; color: #f6f2e9; position: relative; overflow: hidden; }
.landing-hero::before { content:""; position:absolute; right:-14vw; top:-24vw; width:72vw; height:72vw; border:1px solid rgba(200,168,109,.11); border-radius:50%; box-shadow: 0 0 0 12vw rgba(200,168,109,.025), 0 0 0 24vw rgba(200,168,109,.018); }
.landing-hero .landing-shell { position: relative; padding: 150px 0 58px; }
.landing-kicker { color: #b9975e; font: 700 .66rem var(--sans); letter-spacing: .23em; text-transform: uppercase; }
.landing-hero h1 { max-width: 720px; margin: 24px 0 30px; color: #f6f2e9; font-size: clamp(4.5rem, 7.3vw, 7.25rem); font-weight: 400; letter-spacing: -.055em; line-height: .88; }
.landing-hero h1 em { color: #c6a66d; font-weight: 400; }
.landing-lede { max-width: 595px; color: rgba(246,242,233,.65); font-size: 1.19rem; line-height: 1.72; }
.landing-hero-grid { display:grid; grid-template-columns:minmax(0,1.05fr) minmax(360px,.72fr); gap:clamp(50px,7vw,105px); align-items:center; }
.landing-actions { display: flex; gap: 13px; margin-top: 38px; flex-wrap: wrap; }
.landing-primary, .landing-secondary { display: inline-flex; justify-content: center; padding: 15px 26px; border: 1px solid #c6a66d; text-decoration: none; font: 600 .8rem var(--sans); letter-spacing: .05em; transition: .2s ease; }
.landing-primary { background: #c6a66d; color: #17191a; }
.landing-primary:hover { background: #d3b77e; color: #17191a; transform: translateY(-2px); }
.landing-secondary { color: #f6f2e9; border-color: rgba(246,242,233,.25); }
.landing-secondary:hover { border-color: #c6a66d; color: #fff; }
.landing-ledger { display: grid; grid-template-columns: repeat(3, minmax(150px, 1fr)); max-width: 720px; margin-top: 58px; border-top: 1px solid rgba(255,255,255,.16); }
.landing-ledger div { padding: 22px 24px 0 0; border-right: 1px solid rgba(255,255,255,.12); }
.landing-ledger div + div { padding-left: 24px; }
.landing-ledger strong { display:block; color:#f6f2e9; font-size:1.65rem; font-weight:400; }
.landing-ledger span { color:rgba(246,242,233,.46); font:600 .63rem var(--sans); letter-spacing:.13em; text-transform:uppercase; }
.landing-board-stage { position:relative; width:min(430px,100%); justify-self:end; padding:0 0 28px 28px; }
.display-board {
  position:relative;
  aspect-ratio:1;
  width:100%;
  border:9px solid #262829;
  background:
    conic-gradient(from 90deg, #8e8980 25%, #e7e3da 0 50%, #8e8980 0 75%, #e7e3da 0)
    0 0 / 25% 25%;
  box-shadow:0 30px 80px rgba(0,0,0,.36);
}
.display-board::after { content:""; position:absolute; inset:0; border:1px solid rgba(255,255,255,.13); pointer-events:none; }
.display-board > span {
  position:absolute;
  left:calc((var(--f) - 1) * 12.5%);
  top:calc((var(--r) - 1) * 12.5%);
  display:grid;
  place-items:center;
  width:12.5%;
  height:12.5%;
  color:#202223;
  font-family:"Times New Roman",serif;
  font-size:clamp(1.55rem,3.05vw,2.6rem);
  line-height:1;
  filter:drop-shadow(0 1px 0 rgba(255,255,255,.2));
}
.board-note {
  position:absolute;
  right:-26px;
  bottom:0;
  width:68%;
  padding:17px 19px;
  border:1px solid rgba(255,255,255,.17);
  background:#191b1c;
  box-shadow:0 16px 36px rgba(0,0,0,.3);
}
.board-note span,.board-note small { display:block; color:rgba(246,242,233,.42); font:600 .55rem var(--sans); letter-spacing:.14em; text-transform:uppercase; }
.board-note strong { display:block; margin:5px 0 6px; color:#f3eee3; font-size:1.08rem; font-weight:500; }
.landing-statement { padding: 115px 0; border-bottom: 1px solid #dad7ce; }
.statement-grid { display: grid; grid-template-columns: .7fr 2fr; gap: 80px; }
.statement-grid > p:last-child { max-width: 880px; font-size: clamp(2rem, 3.5vw, 3.5rem); line-height: 1.23; letter-spacing: -.025em; }
.statement-grid em { color: #997640; }
.landing-section { padding: 130px 0; }
.landing-section-head { display:grid; grid-template-columns: 1.3fr .7fr; gap: 100px; align-items:end; margin-bottom:72px; }
.landing-section h2 { margin-top:18px; font-size:clamp(2.8rem,5vw,5.2rem); font-weight:400; letter-spacing:-.045em; }
.landing-section-head > p, .tools-callout > div:last-child > p { color:#686963; font:400 1.05rem/1.75 var(--sans); }
.discipline-grid { display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid #d6d3ca; }
.discipline-grid article { min-height:260px; padding:32px 30px 38px 0; border-bottom:1px solid #d6d3ca; }
.discipline-grid article:not(:nth-child(3n+1)) { padding-left:30px; border-left:1px solid #d6d3ca; }
.discipline-grid span, .method-list > article > span { color:#a6834c; font:700 .65rem var(--sans); letter-spacing:.12em; }
.discipline-grid h3 { margin:48px 0 12px; font-size:1.65rem; font-weight:500; }
.discipline-grid p { color:#74746e; font:400 .92rem/1.65 var(--sans); }
.landing-dark { background:#1b1d1e; color:#f3efe6; }
.landing-dark h2 { color:#f3efe6; }
.method-grid { display:grid; grid-template-columns:1fr 1fr; gap:120px; }
.method-list article { display:grid; grid-template-columns:38px 1fr; gap:18px; padding:27px 0; border-top:1px solid rgba(255,255,255,.14); }
.method-list article:last-child { border-bottom:1px solid rgba(255,255,255,.14); }
.method-list h3 { color:#f3efe6; font-size:1.3rem; font-weight:500; margin-bottom:7px; }
.method-list p { color:rgba(243,239,230,.55); font:400 .92rem/1.6 var(--sans); }
.tools-callout { display:grid; grid-template-columns:1.1fr .9fr; gap:120px; align-items:center; }
.text-arrow { display:inline-block; margin-top:30px; color:#18191b; font:700 .78rem var(--sans); letter-spacing:.05em; text-decoration:none; border-bottom:1px solid #b9975e; padding-bottom:5px; }
.landing-final { padding:140px 0; background:#b08a50; text-align:center; color:#17191a; }
.landing-final .landing-kicker { color:#42331e; }
.landing-final h2 { margin:18px 0 12px; font-size:clamp(3.4rem,6vw,6rem); font-weight:400; letter-spacing:-.05em; }
.landing-final p { margin-bottom:34px; font:400 1rem var(--sans); }
.landing-primary.light { background:#17191a; border-color:#17191a; color:#f6f2e9; }
.landing-footer { padding:46px 0; background:#151718; color:#e9e5dd; }
.landing-footer .landing-shell { display:grid; grid-template-columns:1fr auto auto; gap:42px; align-items:center; }
.landing-footer nav { display:flex; gap:25px; }
.landing-footer nav a, .landing-footer p { color:rgba(233,229,221,.5); text-decoration:none; font:500 .72rem var(--sans); }
.footer-logo { font-size:1rem; }

@media (max-width: 820px) {
  .landing-shell { width:min(100% - 36px, 1240px); }
  .landing-nav { grid-template-columns:1fr auto; min-height:82px; }
  .landing-links { display:none; }
  .landing-hero { min-height:760px; align-items:flex-start; }
  .landing-hero .landing-shell { padding:120px 0 54px; }
  .landing-hero h1 { font-size:clamp(4rem,18vw,6.2rem); }
  .landing-ledger { grid-template-columns:1fr; margin-top:58px; }
  .landing-ledger div, .landing-ledger div + div { display:flex; justify-content:space-between; align-items:baseline; padding:13px 0; border-right:0; border-bottom:1px solid rgba(255,255,255,.1); }
  .landing-hero-grid, .statement-grid, .landing-section-head, .method-grid, .tools-callout { grid-template-columns:1fr; gap:38px; }
  .landing-board-stage { width:min(430px,88vw); justify-self:center; margin-top:18px; }
  .display-board > span { font-size:clamp(1.4rem,8vw,2.4rem); }
  .board-note { right:-8px; }
  .landing-statement, .landing-section { padding:82px 0; }
  .landing-section-head { margin-bottom:42px; }
  .discipline-grid { grid-template-columns:1fr; }
  .discipline-grid article, .discipline-grid article:not(:nth-child(3n+1)) { min-height:0; padding:26px 0; border-left:0; }
  .discipline-grid h3 { margin:24px 0 8px; }
  .landing-footer .landing-shell { grid-template-columns:1fr; gap:24px; }
  .landing-footer nav { flex-wrap:wrap; }
}

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(224px, 1fr)); gap: 18px; align-items: stretch; margin-top: 8px; }
.price-card {
  position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 26px 28px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.band.alt .price-card { background: var(--bg); }
.price-card:hover { border-color: var(--accent-soft); transform: translateY(-2px); }
.price-card.featured { border-color: var(--accent); box-shadow: var(--shadow); }
.price-card.featured::before {
  content: "Founding offer"; position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: var(--onyx); font-family: var(--sans); font-size: 0.64rem; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase; padding: 4px 14px; border-radius: 999px; white-space: nowrap;
}
.price-badge {
  position: absolute; top: -11px; right: 18px; background: var(--ink); color: var(--ivory); font-family: var(--sans);
  font-size: 0.62rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 4px 12px; border-radius: 999px;
}
.price-name { font-family: var(--sans); font-weight: 700; font-size: 0.74rem; letter-spacing: 1.8px; text-transform: uppercase; color: var(--text-dim); }
.price-amt { font-family: var(--serif); font-size: 2.9rem; font-weight: 500; color: var(--ink); line-height: 1; margin: 14px 0 2px; font-variant-numeric: tabular-nums; }
.price-amt .cur { font-size: 1.4rem; vertical-align: super; margin-right: 1px; }
.price-was { font-family: var(--serif); color: var(--text-dim); text-decoration: line-through; text-decoration-color: var(--accent); font-size: 1.5rem; margin-right: 9px; font-weight: 500; }
.price-per { font-family: var(--sans); color: var(--text-dim); font-size: 0.9rem; min-height: 1.2em; }
.price-note { font-family: var(--sans); color: var(--accent); font-weight: 600; font-size: 0.8rem; margin-top: 7px; min-height: 1em; }
.price-tag { color: var(--text-dim); font-size: 0.97rem; line-height: 1.5; margin: 16px 0 18px; }
.price-list { list-style: none; margin: 0 0 24px; padding: 0; font-family: var(--sans); font-size: 0.9rem; }
.price-list li { position: relative; padding: 7px 0 7px 24px; color: var(--text); border-top: 1px solid var(--line-soft); line-height: 1.45; }
.price-list li:first-child { border-top: none; }
.price-list li::before { content: "\265F"; position: absolute; left: 2px; color: var(--accent); font-size: 0.85rem; top: 7px; }
.price-cta { margin-top: auto; }
.price-cta .btn-big { display: block; text-align: center; padding: 12px 20px; }
.price-fine { font-family: var(--sans); text-align: center; color: var(--text-dim); font-size: 0.86rem; line-height: 1.6; margin: 26px auto 0; max-width: 640px; }

/* institution band */
.inst { display: grid; grid-template-columns: 1.25fr 1fr; gap: 34px; align-items: center; background: var(--onyx); color: var(--ivory); border-radius: var(--radius-lg); padding: 42px 44px; box-shadow: var(--shadow); }
.inst h2 { color: var(--ivory); text-align: left; margin-bottom: 12px; }
.inst .band-lead { color: rgba(244, 242, 236, 0.72); text-align: left; margin: 0 0 22px; max-width: none; }
.inst .btn-big.primary { background: var(--accent); color: var(--onyx); border-color: var(--accent); }
.inst .btn-big.primary:hover { filter: brightness(1.06); }
.inst-list { list-style: none; margin: 0; padding: 0; font-family: var(--sans); font-size: 0.95rem; }
.inst-list li { padding: 9px 0 9px 24px; position: relative; color: rgba(244, 242, 236, 0.9); border-top: 1px solid rgba(244, 242, 236, 0.12); }
.inst-list li:first-child { border-top: none; }
.inst-list li::before { content: "\265F"; position: absolute; left: 0; color: var(--accent); }

/* faq */
.faq { max-width: 720px; margin: 0 auto; }
.faq details { border-top: 1px solid var(--line); padding: 18px 2px; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { font-family: var(--serif); font-size: 1.16rem; font-weight: 600; color: var(--ink); cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-family: var(--sans); font-size: 1.5rem; font-weight: 300; line-height: 1; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { color: var(--text-dim); line-height: 1.7; margin-top: 12px; font-size: 1.02rem; }

@media (max-width: 720px) {
  .inst { grid-template-columns: 1fr; gap: 26px; padding: 34px 28px; }
  .inst h2, .inst .band-lead { text-align: center; }
}

@media (max-width: 640px) {
:root { font-size: 15px; }
  .hero { padding: 52px 0 38px; }
  .hero h1 { font-size: 2.4rem; }
  .band { padding: 54px 0; }
  .band h2 { font-size: 1.8rem; }
  .final-cta h2 { font-size: 2rem; }
  .hero-stats { gap: 14px 32px; }
  .hero-stats dt { font-size: 1.6rem; }
  .ss-clockface { font-size: 2.6rem; }
}