/* Mervuntobra — breathing-space */

:root {
  --bg: #f7f2e2;
  --bg-alt: #ede5cd;
  --bg-dark: #17191a;
  --ink: #1b1a16;
  --ink-soft: #756f5c;
  --ink-inv: #f7f2e2;
  --accent: #1f7d78;
  --accent-2: #a8721c;
  --mono: ui-monospace, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --gap: 24px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
}

.col-text { grid-column: 4 / span 6; max-width: 68ch; }
.col-list { grid-column: 4 / span 7; }
.col-wide { grid-column: 3 / span 8; }
.col-full { grid-column: 1 / -1; }

/* ---------- typography ---------- */

h1, h2, h3, .eyebrow, .navlink, .kicker {
  font-family: var(--mono);
  text-transform: uppercase;
  font-weight: 600;
}

h1 {
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  line-height: 1.3;
  letter-spacing: 0.06em;
  margin: 0;
}

h2 {
  font-size: clamp(1.05rem, 1.9vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: 0.11em;
  margin: 0 0 28px;
}

h3 {
  font-size: 0.95rem;
  line-height: 1.5;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin: 44px 0 14px;
}

p { margin: 0 0 22px; }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: 21px;
  line-height: 1.7;
}

.eyebrow {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--accent-2);
  margin: 0 0 18px;
  font-weight: 500;
}

.note {
  color: var(--ink-soft);
  font-size: 0.94rem;
}

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

a:hover { text-decoration-thickness: 2px; }

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

ul, ol {
  margin: 0 0 22px;
  padding-left: 1.4em;
}

li { margin-bottom: 12px; }
li::marker { color: var(--accent); }

.checklist { list-style: none; padding-left: 0; }
.checklist li {
  position: relative;
  padding-left: 34px;
}
.checklist li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
}

/* ---------- navigation ---------- */

.topbar {
  padding: 34px 0 0;
}

.nav {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 44px;
}

.navlink {
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--ink-soft);
  text-decoration: none;
}

.navlink:hover,
.navlink[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-color: var(--accent);
}

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

.hero {
  min-height: 88vh;
  display: flex;
  flex-direction: column;
}

.hero-body {
  flex: 1;
  display: flex;
  align-items: flex-end;
  padding: 120px 0 96px;
}

.hero-inner {
  grid-column: 3 / span 8;
  text-align: center;
}

.hero-sub {
  margin: 30px auto 0;
  max-width: 56ch;
  color: var(--ink-soft);
}

.page-head {
  padding: 110px 0 0;
  text-align: center;
}

.page-head .col-text { grid-column: 3 / span 8; max-width: none; }

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

section { padding: 128px 0; }
section.tight { padding-top: 0; }

.band-alt { background: var(--bg-alt); }

.band-dark {
  background: var(--bg-dark);
  color: var(--ink-inv);
}

.band-dark h2,
.band-dark h3 { color: var(--ink-inv); }

.band-dark .note { color: #a8a396; }

.band-dark a { color: #7fc9c4; }

.band-dark a:focus-visible { outline-color: #7fc9c4; }

.band-dark li::marker { color: #7fc9c4; }
.band-dark .checklist li::before { color: #7fc9c4; }

/* ---------- images ---------- */

.figure-main {
  grid-column: 3 / span 8;
  margin: 96px 0;
  text-align: center;
}

.figure-main img {
  width: 100%;
  height: auto;
  display: block;
}

figcaption {
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.detail-figure {
  grid-column: 2 / span 4;
  margin: 0;
}

.detail-figure img {
  width: 100%;
  height: auto;
  display: block;
}

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

.detail-figure figcaption { color: #a8a396; text-align: left; }

/* ---------- table of contents ---------- */

.toc {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.toc li {
  margin-bottom: 18px;
  display: flex;
  gap: 20px;
  align-items: baseline;
}

.toc .num {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--accent-2);
}

/* ---------- about page rhythm ---------- */

.about-block { margin-bottom: 92px; }
.about-block:last-child { margin-bottom: 0; }

.dash {
  grid-column: 4 / span 6;
  text-align: center;
  color: var(--accent-2);
  font-family: var(--mono);
  letter-spacing: 0.4em;
  margin: 0 0 92px;
}

/* ---------- contact ---------- */

.contact-mail {
  font-family: var(--mono);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  word-break: break-word;
}

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

footer {
  background: var(--bg-alt);
  padding: 120px 0;
}

.footer-inner {
  grid-column: 3 / span 8;
  text-align: center;
}

.footer-name {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.9rem;
  margin: 0 0 40px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 40px;
  margin-bottom: 40px;
}

.footer-mail {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin: 0 0 34px;
  word-break: break-word;
}

.footer-note {
  color: var(--ink-soft);
  font-size: 0.88rem;
  max-width: 60ch;
  margin: 0 auto;
}

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

@media (max-width: 1000px) {
  .col-text, .col-list, .col-wide,
  .hero-inner, .figure-main, .footer-inner,
  .page-head .col-text, .dash {
    grid-column: 2 / span 10;
  }
  .detail-figure { grid-column: 2 / span 10; margin-bottom: 48px; }
  .detail-text { grid-column: 2 / span 10; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; column-gap: 16px; }
  .col-text, .col-list, .col-wide,
  .hero-inner, .figure-main, .footer-inner,
  .detail-figure, .detail-text,
  .page-head .col-text, .dash {
    grid-column: 1 / -1;
  }
  section { padding: 72px 0; }
  section.tight { padding-top: 0; }
  .hero { min-height: 0; }
  .hero-body { padding: 90px 0 64px; }
  .page-head { padding: 72px 0 0; }
  .figure-main { margin: 64px 0; }
  .nav { gap: 12px 26px; }
  .navlink { font-size: 0.66rem; letter-spacing: 0.16em; }
  .lead { font-size: 19px; }
  footer { padding: 80px 0; }
  .footer-nav { gap: 12px 24px; }
  .about-block { margin-bottom: 64px; }
  .dash { margin-bottom: 64px; }
}

/* homepage table of contents spacing */
.toc-wrap { margin-top: 40px; }