:root {
  --ink: #171512;
  --muted: #6b655d;
  --paper: #fffdfa;
  --cream: #f6f1e8;
  --panel: #eee8dd;
  --line: #d9d0c2;
  --red: #c33a2d;
  --blue: #215c9e;
  --green: #167055;
  --dark: #171a1d;
  --display: "Bitter", Georgia, serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); }
a { color: inherit; }
.page-shell { width: min(1240px, calc(100% - 64px)); margin-inline: auto; }

.site-nav {
  position: sticky; top: 0; z-index: 20; min-height: 76px; padding: 0 max(32px, calc((100vw - 1240px) / 2));
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 32px; align-items: center;
  border-bottom: 1px solid var(--line); background: rgba(255, 253, 250, .94); backdrop-filter: blur(14px);
}
.brand { display: flex; gap: 11px; align-items: center; text-decoration: none; font-family: var(--display); font-size: 19px; font-weight: 700; }
.brand-mark { display: grid; place-items: center; width: 35px; height: 35px; color: white; background: var(--red); border-radius: 6px; font: 700 12px var(--mono); }
.site-nav nav { display: flex; gap: 30px; }
.site-nav nav a { color: var(--muted); text-decoration: none; font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .04em; }
.site-nav nav a:hover { color: var(--ink); }
.site-nav > .button { justify-self: end; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 15px 20px; border: 1px solid var(--red); border-radius: 7px; color: white; background: var(--red); text-decoration: none; font: 600 13px var(--mono); text-transform: uppercase; letter-spacing: .02em; box-shadow: 5px 5px 0 #962c22; transition: transform .16s, box-shadow .16s; }
.button:hover { transform: translate(2px, 2px); box-shadow: 3px 3px 0 #962c22; }
.button-small { padding: 11px 15px; box-shadow: none; }
.text-link { font: 600 13px var(--mono); text-transform: uppercase; text-underline-offset: 5px; }

.hero { display: grid; grid-template-columns: .88fr 1.12fr; gap: 64px; align-items: center; min-height: 720px; padding-block: 82px; }
.kicker { margin: 0 0 18px; color: var(--blue); font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .07em; }
h1, h2, h3 { font-family: var(--display); }
h1 { max-width: 700px; margin: 0; font-size: clamp(46px, 5.4vw, 76px); line-height: .99; letter-spacing: -.035em; }
.hero-lede { max-width: 600px; margin: 28px 0 0; color: #4f4a44; font-size: 19px; line-height: 1.55; }
.hero-actions { display: flex; gap: 24px; align-items: center; margin-top: 34px; }
.status-line { display: flex; gap: 9px; align-items: center; margin-top: 32px; color: var(--muted); font: 500 11px var(--mono); text-transform: uppercase; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(22,112,85,.12); }

.product-window { overflow: hidden; border: 1px solid #cfc5b7; border-radius: 13px; background: var(--paper); box-shadow: 22px 24px 0 rgba(36, 31, 25, .07); transform: rotate(.45deg); }
.window-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 12px 15px; color: #746c62; border-bottom: 1px solid var(--line); background: var(--cream); font: 500 9px var(--mono); }
.window-bar > span { text-align: center; }
.window-bar strong { justify-self: end; padding: 3px 6px; color: var(--green); border: 1px solid #a6c9bd; border-radius: 3px; font-size: 8px; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: #b7afa4; }
.window-dots i:first-child { background: var(--red); }
.window-body { padding: 22px; }
.mini-nav { display: flex; justify-content: space-between; align-items: end; gap: 18px; }
.mini-nav > div:first-child { display: flex; flex-direction: column; }
.mini-nav b { color: var(--blue); font: 700 11px var(--mono); }
.mini-nav span { color: var(--muted); font: 600 6px var(--mono); }
.mini-tabs { display: flex; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 5px; }
.mini-tabs span { padding: 7px 9px; font-size: 7px; }
.mini-tabs .active { color: white; background: var(--red); border-radius: 3px; }
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 20px; border: 1px solid var(--line); border-radius: 6px; }
.metric-row div { padding: 13px; border-right: 1px solid var(--line); }
.metric-row div:last-child { border: 0; }
.metric-row span, .metric-row b { display: block; }
.metric-row span { color: var(--muted); font: 600 7px var(--mono); }
.metric-row b { margin-top: 5px; font-size: 13px; }
.market-table { margin-top: 12px; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.table-head, .table-row { display: grid; grid-template-columns: 1.7fr repeat(3, 1fr); align-items: center; }
.table-head { padding: 10px 12px; color: var(--muted); background: var(--panel); font: 600 7px var(--mono); text-transform: uppercase; }
.table-row { min-height: 73px; padding: 9px 12px; border-top: 1px solid var(--line); font-size: 11px; }
.table-row.featured { background: #f2f6f8; }
.table-row > span, .card-name span { display: flex; flex-direction: column; gap: 4px; }
.table-row small { color: var(--muted); font-size: 8px; }
.card-name { display: flex; gap: 10px; align-items: center; }
.card-swatch { width: 34px; height: 47px; object-fit: cover; border-radius: 2px; box-shadow: 0 2px 5px rgba(24, 20, 16, .22); }

.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); background: var(--cream); padding-inline: max(32px, calc((100vw - 1240px) / 2)); }
.proof-strip div { padding: 28px 25px; border-right: 1px solid var(--line); }
.proof-strip div:first-child { border-left: 1px solid var(--line); }
.proof-strip b, .proof-strip span { display: block; }
.proof-strip b { font-family: var(--display); font-size: 25px; }
.proof-strip span { margin-top: 6px; color: var(--muted); font: 500 10px var(--mono); text-transform: uppercase; }

.section { padding-block: 120px; }
.section-heading { display: grid; grid-template-columns: .8fr 1.4fr; gap: 48px; align-items: start; margin-bottom: 50px; }
.section-heading .kicker { grid-column: 1 / -1; margin-bottom: -28px; }
.section-heading h2 { max-width: 710px; margin: 0; font-size: clamp(36px, 4vw, 56px); line-height: 1.05; letter-spacing: -.025em; }
.section-heading > p:last-child { max-width: 520px; margin: 4px 0 0; color: var(--muted); font-size: 17px; line-height: 1.6; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.feature-grid article { min-height: 330px; padding: 26px; border-right: 1px solid var(--line); background: var(--cream); }
.feature-grid article:last-child { border: 0; }
.feature-number { color: var(--red); font: 600 11px var(--mono); }
.feature-grid h3 { margin: 58px 0 13px; font-size: 25px; }
.feature-grid p { margin: 0; color: var(--muted); line-height: 1.58; }
.feature-tag { display: inline-block; margin-top: 34px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--blue); font: 600 10px var(--mono); text-transform: uppercase; }

.dark-section { padding-block: 115px; color: #f8f3eb; background: var(--dark); }
.dark-section .kicker { color: #79acd9; }
.system-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 84px; align-items: center; }
.system-copy h2 { margin: 0; font-size: clamp(38px, 4.6vw, 64px); line-height: 1.04; }
.system-copy > p:not(.kicker) { color: #beb8af; font-size: 17px; line-height: 1.65; }
.formula { margin: 32px 0 28px; padding: 18px; color: #fff; border: 1px solid #50545a; border-left: 4px solid var(--red); background: #22262a; font: 600 15px var(--mono); }
.system-copy .dim { font-size: 14px !important; }
.evidence-panel { padding: 24px; color: var(--ink); border: 1px solid #575b60; border-radius: 11px; background: #f8f4ec; box-shadow: 18px 18px 0 rgba(0,0,0,.25); }
.panel-label { margin-bottom: 17px; color: var(--muted); font: 600 9px var(--mono); }
.evidence-card { display: grid; grid-template-columns: 130px 1fr; gap: 23px; padding: 18px; border: 1px solid var(--line); border-radius: 7px; background: var(--paper); }
.card-art { display: block; width: 130px; height: 179px; object-fit: contain; border-radius: 5px; filter: drop-shadow(0 7px 8px rgba(24, 20, 16, .2)); }
.evidence-title { align-self: center; }
.evidence-title small { color: var(--muted); font: 600 9px var(--mono); }
.evidence-title h3 { margin: 10px 0 22px; font-size: 31px; }
.evidence-title div { display: flex; gap: 7px; }
.evidence-title span { padding: 7px 9px; border: 1px solid var(--line); border-radius: 4px; font: 600 9px var(--mono); }
.evidence-title span:first-child { color: white; background: var(--ink); }
.evidence-stats { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 12px; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.evidence-stats div { padding: 16px; border-right: 1px solid var(--line); }
.evidence-stats div:last-child { border: 0; }
.evidence-stats small, .evidence-stats b { display: block; }
.evidence-stats small { color: var(--muted); font: 600 8px var(--mono); }
.evidence-stats b { margin-top: 6px; font-size: 22px; }
.sale-list { margin-top: 12px; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.sale-list div { display: grid; grid-template-columns: 1fr .6fr 1fr; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 11px; }
.sale-list div:last-child { border: 0; }
.sale-list span:last-child { color: var(--blue); font-weight: 600; text-align: right; }

.section-heading.compact { display: block; }
.section-heading.compact .kicker { margin-bottom: 18px; }
.principle-list { border-top: 1px solid var(--line); }
.principle-list > div { display: grid; grid-template-columns: 70px .7fr 1.3fr; gap: 30px; align-items: baseline; padding: 27px 0; border-bottom: 1px solid var(--line); }
.principle-list b { color: var(--red); font: 600 11px var(--mono); }
.principle-list h3 { margin: 0; font-size: 24px; }
.principle-list p { margin: 0; color: var(--muted); line-height: 1.6; }

.final-cta { padding-block: 110px; color: white; background: var(--red); text-align: center; }
.final-cta .kicker { color: #f6c4bb; }
.final-cta h2 { margin: 0; font-size: clamp(44px, 6vw, 76px); }
.final-cta p { max-width: 620px; margin: 20px auto 30px; color: #ffe4df; font-size: 18px; line-height: 1.6; }
.button-light { color: var(--ink); background: var(--paper); border-color: var(--paper); box-shadow: 5px 5px 0 #8c281f; }

footer { padding: 50px 0 30px; background: var(--cream); }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; }
.footer-inner > div:first-child { display: flex; flex-direction: column; gap: 7px; }
.footer-inner b { font: 700 21px var(--display); }
.footer-inner span, .legal { color: var(--muted); }
.footer-inner > div:last-child { display: flex; gap: 23px; font: 600 11px var(--mono); text-transform: uppercase; }
.legal { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 11px; line-height: 1.6; }

@media (max-width: 980px) {
  .site-nav { grid-template-columns: 1fr auto; }
  .site-nav nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .product-window { transform: none; }
  .feature-grid { grid-template-columns: repeat(2,1fr); }
  .feature-grid article:nth-child(2) { border-right: 0; }
  .feature-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .system-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .page-shell { width: min(100% - 32px, 1240px); }
  .site-nav { min-height: 66px; padding-inline: 16px; }
  .brand-mark { width: 31px; height: 31px; }
  .site-nav .button { padding: 10px 11px; font-size: 9px; }
  .hero { gap: 44px; padding-block: 58px; }
  h1 { font-size: 43px; }
  .hero-lede { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .window-body { padding: 12px; }
  .mini-tabs { display: none; }
  .metric-row { grid-template-columns: 1fr; }
  .metric-row div { border-right: 0; border-bottom: 1px solid var(--line); }
  .table-head, .table-row { grid-template-columns: 1.45fr repeat(2,1fr); }
  .table-head span:last-child, .table-row > span:last-child { display: none; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); padding-inline: 0; }
  .proof-strip div { border-bottom: 1px solid var(--line); }
  .section { padding-block: 82px; }
  .section-heading { display: block; }
  .section-heading .kicker { margin-bottom: 18px; }
  .section-heading > p:last-child { margin-top: 22px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 280px; border-right: 0; border-bottom: 1px solid var(--line); }
  .dark-section { padding-block: 82px; }
  .evidence-panel { padding: 12px; box-shadow: none; }
  .evidence-card { grid-template-columns: 92px 1fr; gap: 14px; padding: 12px; }
  .card-art { width: 92px; height: 127px; }
  .evidence-title h3 { font-size: 21px; }
  .evidence-stats { grid-template-columns: 1fr; }
  .evidence-stats div { border-right: 0; border-bottom: 1px solid var(--line); }
  .principle-list > div { grid-template-columns: 35px 1fr; gap: 14px; }
  .principle-list p { grid-column: 2; }
  .footer-inner { flex-direction: column; }
}