.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 1.2vw;
  background: var(--green);
  color: var(--cream);
  border-top: 1px solid rgba(255,255,255,.18);
}

/* Progressive enhancement: readable content even if scripts fail or are disabled. */
.reveal { opacity: 1; transform: none; }
.hero-copy { max-width: 900px; }
.hero-copy.reveal { transform: translateY(-50%); }
.hero h1 { font-size: clamp(3.5rem, 7.3vw, 7.2rem); line-height: 1; }
.hero-copy > p:not(.eyebrow) { max-width: 510px; }
.guide-link a, .buyer-faq a, .reading a { text-decoration: underline; text-underline-offset: .2em; }
.guide-link { margin-top: 2rem; line-height: 1.7; }
.contact-direct p { line-height: 1.7; font-size: .9rem; }
.contact-email { font-family: var(--serif); font-size: clamp(1.6rem, 3vw, 2.8rem); overflow-wrap: anywhere; }
.contact-direct .text-link { display: inline-block; margin-top: 1.4rem; line-height: 1.6; }
.buyer-faq h2 { font-size: clamp(2.7rem, 5vw, 4.8rem); max-width: 850px; margin-bottom: 3rem; }
.buyer-faq details { border-top: 1px solid var(--line); padding: 1.5rem 0; }
.buyer-faq details:last-child { border-bottom: 1px solid var(--line); }
.buyer-faq summary { cursor: pointer; font-size: 1.1rem; line-height: 1.6; }
.buyer-faq details p { line-height: 1.8; max-width: 850px; }
.reading { max-width: 1000px; margin: auto; padding: 4rem 6vw 6rem; line-height: 1.85; }
.reading h1 { font: 400 clamp(2.7rem, 6vw, 5.3rem)/1.06 var(--serif); letter-spacing: -.025em; }
.reading h2 { font: 400 clamp(2rem, 4vw, 3rem)/1.15 var(--serif); margin-top: 3rem; }
.reading h3 { font: 400 1.6rem/1.3 var(--serif); }
.reading .lead { font-size: 1.15rem; }
.reading .byline, .breadcrumbs { font-size: .8rem; color: #506059; }
.reading .contents { background: var(--cream); padding: 1.5rem 2rem; margin: 2rem 0; }
.reading .contents a { display: block; margin: .6rem 0; }
.reading th, .reading td { text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); padding: 1rem; }
.reading table { border-collapse: collapse; width: 100%; font-size: .93rem; }
.reading th:first-child { width: 26%; }
.reading .callout { border-left: 3px solid var(--clay); background: var(--cream); padding: 1.5rem; margin: 2rem 0; }
.reading li { margin-bottom: .6rem; }
:focus-visible { outline: 3px solid #a55f47; outline-offset: 5px; }
@media(max-width: 800px) {
  .hero { min-height: 610px; }
  .hero h1 { font-size: clamp(2.8rem, 10.8vw, 5.3rem); }
  .hero-copy { left: 6vw; right: 6vw; }
  .hero-copy > p:not(.eyebrow) { font-size: 1rem; }
  .reading { padding-top: 2rem; }
  .reading table, .reading tbody, .reading tr, .reading td, .reading th { display: block; }
  .reading thead { display: none; }
  .reading th:first-child { width: auto; padding-bottom: .25rem; border-bottom: 0; }
  .reading td { padding-top: .25rem; }
}

.proof-strip span {
  padding: 1.2rem 1.5rem;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.18);
  font-size: .63rem;
  text-transform: uppercase;
  letter-spacing: .13em;
}

.proof-strip span:last-child { border-right: 0; }
.journal > h2 { margin-bottom: 2rem; }

.standard-intro {
  max-width: 850px;
  margin: 0 0 4rem;
  font-size: 1.05rem;
  line-height: 1.85;
}

.source-note {
  max-width: 900px;
  margin: 2rem 0 0;
  color: #506059;
  font-size: .75rem;
  line-height: 1.7;
}

@media (max-width: 800px) {
  .proof-strip { grid-template-columns: 1fr 1fr; }
  .proof-strip span { border-bottom: 1px solid rgba(255,255,255,.18); }
}
