:root {
  --paper: #f8f8f4;
  --ink: #202922;
  --muted: #49554d;
  --green: #244c3c;
  --rule: #cbd3c9;
  --wash: #eef2eb;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}
*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, p, figure, dl, dd { margin: 0; }
a { color: var(--green); text-underline-offset: .21em; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--green); outline-offset: 5px; }
.shell { width: min(1136px, calc(100% - 104px)); margin-inline: auto; }
.skip { position: absolute; z-index: 2; top: 8px; left: 8px; padding: 12px; background: var(--paper); transform: translateY(-160%); }
.skip:focus { transform: none; }
.header { border-bottom: 1px solid var(--rule); }
.header-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; min-height: 73px; }
.signature { color: var(--ink); font-size: 1.17rem; font-weight: 700; letter-spacing: -.035em; text-decoration: none; width: fit-content; }
.nav, .language { display: flex; align-items: center; }
.nav { gap: clamp(14px, 3vw, 37px); }
.nav a { color: var(--muted); font-size: .92rem; text-decoration: none; }
.nav a:hover, .hero-secondary:hover { text-decoration: underline; }
.language { justify-self: end; font-size: .82rem; }
.language > * { display: grid; place-items: center; width: 38px; min-height: 44px; text-decoration: none; }
.language [aria-current] { color: var(--ink); font-weight: 700; text-decoration: underline; text-underline-offset: .38em; }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr); align-items: center; gap: clamp(35px, 6vw, 91px); padding-block: clamp(44px, 7vw, 100px); }
.eyebrow { color: var(--green); font-size: .91rem; line-height: 1.45; font-weight: 700; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.044em; }
h1 { max-width: 16ch; margin: .22em 0 .31em; font-size: clamp(2.65rem, 4.25vw, 4rem); line-height: 1.04; text-wrap: balance; }
.lead { max-width: 36ch; color: var(--muted); font-size: clamp(1.08rem, 1.48vw, 1.23rem); line-height: 1.56; }
.hero-meta { margin: 16px 0 2px; color: var(--muted); font-size: .88rem; line-height: 1.5; }
.button { display: inline-flex; align-items: center; gap: 14px; min-height: 49px; padding: 10px 16px; border: 1px solid var(--green); border-radius: 3px; color: var(--paper); background: var(--green); text-decoration: none; font-size: .91rem; font-weight: 700; }
.button:hover { background: #18392b; }
.button span, .text-link span { font-size: 1.12em; }
.hero .button { margin: 15px 12px 0 0; }
.hero-secondary { display: inline-flex; align-items: center; min-height: 44px; gap: 7px; font-size: .88rem; font-weight: 650; text-decoration: none; }
.portrait { aspect-ratio: 1.23; background: #eeede7; }
.portrait img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 67% 45%; }

.section { padding-block: clamp(34px, 5.4vw, 73px); border-top: 1px solid var(--rule); }
.split { display: grid; grid-template-columns: minmax(0, .68fr) minmax(0, 1.32fr); gap: clamp(22px, 5vw, 75px); }
h2 { font-size: clamp(2rem, 3.2vw, 3rem); line-height: 1.08; }
.section-copy, .method-copy { max-width: 61ch; }
.section-copy > p, .method-copy > p, .subtle { font-size: clamp(1rem, 1.4vw, 1.12rem); line-height: 1.64; }
.section-copy > p + p, .method-copy > p + p { margin-top: .85em; }
.section-copy > .credential { color: var(--muted); font-size: .87rem; line-height: 1.5; }
.method { background: var(--wash); border-top: 1px solid var(--rule); }
.method .section { border-top: 0; }
.method details { margin-top: 19px; }
details { border-top: 1px solid var(--rule); }
summary { display: flex; align-items: center; gap: 10px; min-height: 50px; padding: 7px 0; list-style: none; cursor: pointer; font-weight: 650; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; flex: 0 0 1em; margin-left: auto; font-size: 1.25em; font-weight: 400; color: var(--green); }
details[open] > summary::after { content: "−"; }
details > p { padding: 0 20px 14px 0; line-height: 1.6; color: var(--muted); }

.subtle { margin-top: 10px; color: var(--muted); }
.practical dl > div { display: grid; grid-template-columns: 92px 1fr; gap: 10px; align-items: baseline; padding: 12px 0; border-top: 1px solid var(--rule); }
.practical dt { font-weight: 650; }
.practical dd { color: var(--muted); line-height: 1.45; }
.practical .button { margin-top: 10px; color: var(--green); background: transparent; }
.practical .button:hover { background: var(--wash); }
.practical-contact, .text-link { display: flex; align-items: center; gap: 7px; width: fit-content; min-height: 44px; margin-top: 6px; font-size: .91rem; }
.topics { margin: 16px 0 8px; border-bottom: 1px solid var(--rule); }
.topic-label { display: none; }
.footer { border-top: 1px solid var(--rule); color: var(--muted); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 10px 20px; padding-block: 22px; font-size: .87rem; }
.footer strong { color: var(--ink); }
.footer p { margin-top: 5px; line-height: 1.45; }
.footer a { display: inline-flex; align-items: center; min-height: 44px; }

@media (max-width: 900px) {
  .shell { width: calc(100% - 56px); }
  .hero { gap: 29px; }
}
@media (max-width: 675px) {
  .shell { width: calc(100% - 40px); }
  .header-inner { grid-template-columns: 1fr auto; gap: 0 12px; padding-top: 5px; }
  .nav { grid-area: 2 / 1 / 3 / 3; flex-wrap: wrap; column-gap: 18px; }
  .nav a { display: flex; align-items: center; min-height: 40px; font-size: .84rem; }
  .hero { grid-template-columns: 1fr; gap: 20px; padding-block: 30px 33px; }
  h1 { font-size: clamp(2.45rem, 10vw, 3.45rem); text-wrap: wrap; }
  .hero-meta { margin-top: 11px; }
  .hero .button { margin-top: 11px; }
  .portrait { aspect-ratio: 1.58; }
  .split { grid-template-columns: 1fr; gap: 14px; }
  .footer-inner { flex-wrap: wrap; }
}