/* Skunonto — asymmetric-ledger */

:root {
  --paper: #f1f2f0;
  --paper-alt: #e3e5e2;
  --ink-block: #141614;
  --text: #171917;
  --text-soft: #6a6e6a;
  --text-invert: #f1f2f0;
  --accent: #2a6b3c;
  --accent-2: #8a6a20;
  --gap: 28px;
  --rhythm: 96px;
  --measure: 1280px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

a:focus-visible,
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- grid shell ---------- */

.shell {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 32px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
}

/* ---------- header ---------- */

.site-head {
  border-bottom: 1px solid var(--accent);
}

.site-head .shell {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 32px;
  padding-top: 22px;
  padding-bottom: 18px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.brand:hover { color: var(--accent); }

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
}

.site-nav a {
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-soft);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* ---------- hero ---------- */

.hero {
  padding-top: 72px;
  padding-bottom: var(--rhythm);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  align-items: start;
}

.hero-text { grid-column: 1 / span 8; }

.eyebrow {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin: 0 0 20px;
}

h1 {
  font-size: clamp(2.5rem, 6.2vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 0;
  max-width: 14ch;
}

.hero-lede {
  grid-column: 1 / span 4;
  margin: 40px 0 0;
  color: var(--text-soft);
  font-size: 17px;
}

.hero-figure {
  grid-column: 9 / span 4;
  grid-row: 1 / span 2;
  align-self: end;
  margin-top: 0;
  max-width: 480px;
  justify-self: end;
}

.hero-figure img { width: 100%; }

figure { margin: 0; }

figcaption {
  font-size: 13px;
  line-height: 1.5;
  font-style: italic;
  color: var(--text-soft);
  margin-top: 12px;
}

/* ---------- sections ---------- */

.band { padding: var(--rhythm) 0; }
.band-alt { background: var(--paper-alt); }

.band + .band { border-top: 1px solid rgba(42, 107, 60, 0.35); }
.band-alt + .band-alt { border-top: 0; }

.sec {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
}

.sec + .sec { margin-top: var(--rhythm); }

.sec-num {
  grid-column: 1 / span 1;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  padding-top: 10px;
}

/* narrow text column, indented */
.col-narrow { grid-column: 3 / span 6; }
/* wide text column, centred */
.col-wide { grid-column: 3 / span 8; }
.col-right { grid-column: 5 / span 7; }

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 22px;
}

h3 {
  font-size: 1.05rem;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: -0.005em;
  margin: 34px 0 10px;
}

p { margin: 0 0 20px; }
p:last-child { margin-bottom: 0; }

.rule {
  border: 0;
  border-top: 1px solid var(--accent);
  margin: 0;
  grid-column: 1 / -1;
}

.band .rule { margin: 0 0 var(--rhythm); }

.lead-out {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 14px;
}

/* ---------- lists ---------- */

ul.check, ol.steps {
  padding-left: 0;
  margin: 24px 0 0;
}

ul.check {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: var(--gap);
  row-gap: 0;
}

ul.check li {
  border-top: 1px solid rgba(23, 25, 23, 0.16);
  padding: 12px 0 12px 22px;
  position: relative;
}

ul.check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 9px;
  height: 1px;
  background: var(--accent);
}

ol.steps {
  list-style: none;
  counter-reset: st;
}

ol.steps li {
  counter-increment: st;
  border-top: 1px solid rgba(23, 25, 23, 0.16);
  padding: 14px 0 14px 46px;
  position: relative;
}

ol.steps li::before {
  content: counter(st, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-2);
  letter-spacing: 0.08em;
}

ol.steps li strong { display: block; }

.plain-list { padding-left: 20px; margin: 20px 0; }
.plain-list li { margin-bottom: 8px; }

/* ---------- contrast band ---------- */

.band-dark {
  background: var(--ink-block);
  color: var(--text-invert);
  padding: var(--rhythm) 0;
}

.band-dark h2, .band-dark h3 { color: var(--text-invert); }
.band-dark p { color: #c9cdc9; }
.band-dark .sec-num { color: #b99a4e; }
.band-dark .lead-out { color: #b99a4e; }
.band-dark a { color: #8fc79f; }
.band-dark figcaption { color: #8e938e; }
.band-dark ul.check li { border-top-color: rgba(241, 242, 240, 0.18); }
.band-dark ul.check li::before { background: #8fc79f; }
.band-dark :focus-visible { outline-color: #8fc79f; }

.dark-figure {
  grid-column: 2 / span 4;
  max-width: 420px;
}

.dark-text { grid-column: 7 / span 6; }

/* ---------- about ---------- */

.about-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
}

.about-marks {
  grid-column: 1 / span 3;
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.about-marks li {
  border-top: 1px solid rgba(23, 25, 23, 0.2);
  padding: 12px 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.about-body { grid-column: 6 / span 7; }

/* ---------- legal / generic page body ---------- */

.page-head { padding: 64px 0 40px; }
.page-head h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.3rem);
  max-width: 18ch;
}
.page-head .hero-lede {
  grid-column: 1 / span 5;
  margin-top: 28px;
}
.page-head .hero-text { grid-column: 1 / span 9; }

.doc { grid-column: 3 / span 8; }
.doc h2 { margin-top: 0; }
.doc section + section { margin-top: 56px; }

.contact-box {
  border-top: 1px solid var(--accent);
  padding-top: 18px;
  margin-top: 34px;
  font-size: 15px;
}

.contact-box p { margin-bottom: 6px; }

/* ---------- footer ---------- */

.site-foot {
  background: var(--ink-block);
  color: var(--text-invert);
  padding: 64px 0 48px;
  margin-top: 0;
}

.foot-grid {
  display: grid;
  grid-template-columns: 5fr 3fr 4fr;
  column-gap: var(--gap);
  row-gap: 32px;
  align-items: start;
}

.foot-name {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 14px;
}

.foot-note {
  font-size: 14px;
  color: #9aa09a;
  margin: 0;
  max-width: 34ch;
}

.foot-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.foot-nav li { margin-bottom: 10px; }

.foot-nav a {
  color: var(--text-invert);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 199, 159, 0.5);
  padding-bottom: 2px;
}

.foot-nav a:hover { border-bottom-color: #8fc79f; color: #8fc79f; }

.foot-contact { font-size: 14px; color: #9aa09a; }
.foot-contact p { margin: 0 0 8px; }
.foot-contact a { color: #8fc79f; }

.foot-base {
  border-top: 1px solid rgba(241, 242, 240, 0.2);
  margin-top: 48px;
  padding-top: 20px;
  font-size: 13px;
  color: #80867f;
}

.site-foot :focus-visible { outline-color: #8fc79f; }

/* ---------- responsive ---------- */

@media (max-width: 1000px) {
  .hero-text { grid-column: 1 / span 12; }
  .hero-lede { grid-column: 1 / span 7; }
  .hero-figure {
    grid-column: 1 / span 12;
    grid-row: auto;
    justify-self: start;
    margin-top: 48px;
    max-width: 380px;
  }
  .col-narrow, .col-wide, .col-right, .doc { grid-column: 2 / span 11; }
  .dark-figure { grid-column: 1 / span 6; max-width: 360px; }
  .dark-text { grid-column: 1 / span 12; margin-top: 40px; }
  .about-marks { grid-column: 1 / span 12; display: flex; flex-wrap: wrap; gap: 0 32px; }
  .about-marks li { border-top: 0; border-bottom: 1px solid rgba(23,25,23,0.2); }
  .about-body { grid-column: 1 / span 12; margin-top: 32px; }
  .page-head .hero-text { grid-column: 1 / span 12; }
  .page-head .hero-lede { grid-column: 1 / span 8; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  :root { --rhythm: 56px; --gap: 18px; }
  body { font-size: 16px; }
  .shell { padding: 0 20px; }
  .site-head .shell { padding-top: 18px; padding-bottom: 14px; }
  .site-nav ul { gap: 4px 18px; }
  .site-nav a { font-size: 13px; }
  .hero { padding-top: 44px; }
  h1 { max-width: none; }
  .hero-lede { grid-column: 1 / span 12; margin-top: 28px; }
  .hero-figure { max-width: 100%; margin-top: 36px; }
  .sec-num {
    grid-column: 1 / span 12;
    padding-top: 0;
    margin-bottom: 8px;
  }
  .col-narrow, .col-wide, .col-right, .doc,
  .dark-figure, .dark-text { grid-column: 1 / span 12; }
  .dark-figure { max-width: 100%; }
  ul.check { grid-template-columns: 1fr; }
  .about-marks { display: block; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-base { margin-top: 36px; }
}