:root {
  --bone: #f4efe6;
  --paper: #fcf9f3;
  --ink: #171411;
  --muted: #655f58;
  --line: rgba(23, 20, 17, 0.16);
  --brick: #9a4527;
  --sage: #dbe0d1;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 20; background: var(--ink); color: white; padding: .6rem .9rem; }
.masthead {
  min-height: 68px;
  padding: .9rem clamp(1rem, 4vw, 3.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 239, 230, .96);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-family: "Fraunces", Georgia, serif; font-size: 1.05rem; font-weight: 600; text-decoration: none; }
.masthead nav { display: flex; align-items: center; gap: 1.15rem; font-size: .85rem; }
.masthead nav a { text-decoration: none; }
.masthead .cta-link { background: var(--ink); color: var(--bone); padding: .55rem 1rem; border-radius: 999px; }
.wrap { width: min(var(--max), calc(100% - 2.2rem)); margin: 0 auto; }
.hero { padding: clamp(3.5rem, 8vw, 7rem) 0 3.5rem; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 1rem; color: var(--brick); text-transform: uppercase; letter-spacing: .16em; font-size: .74rem; font-weight: 700; }
h1, h2, h3 { font-family: "Fraunces", Georgia, serif; letter-spacing: -.025em; line-height: 1.08; }
h1 { max-width: 980px; margin: 0; font-size: clamp(2.65rem, 7vw, 5.6rem); font-weight: 430; }
h1 em { color: var(--brick); font-weight: 430; }
.lede { max-width: 760px; margin: 1.5rem 0 0; font-size: clamp(1.08rem, 2.1vw, 1.3rem); color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.button { display: inline-block; border-radius: 999px; padding: .82rem 1.25rem; text-decoration: none; font-weight: 650; font-size: .92rem; }
.button.primary { background: var(--ink); color: var(--bone); }
.button.secondary { border: 1px solid var(--line); background: var(--paper); }
.answer-box { margin-top: 2.5rem; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 1.3rem 1.4rem; max-width: 900px; }
.answer-box strong { display: block; font-family: "Fraunces", Georgia, serif; font-size: 1.18rem; margin-bottom: .35rem; }
.answer-box p { margin: 0; color: var(--muted); }
.section { padding: clamp(3.4rem, 7vw, 6rem) 0; border-bottom: 1px solid var(--line); }
.section-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(240px, .7fr); gap: clamp(2rem, 7vw, 6rem); align-items: start; }
.section h2 { font-size: clamp(2rem, 4.7vw, 3.6rem); font-weight: 450; margin: 0 0 1rem; }
.section h3 { font-size: 1.42rem; margin: 1.8rem 0 .45rem; }
.section p { color: var(--muted); margin: 0 0 1rem; }
.section p strong { color: var(--ink); }
.source-note { font-size: .88rem; border-left: 3px solid var(--brick); padding-left: 1rem; }
.source-note a { color: var(--brick); }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; }
.card { padding: 1.35rem; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.card h3 { margin-top: 0; font-size: 1.25rem; }
.card p { margin-bottom: 0; font-size: .96rem; }
.number-list { list-style: none; padding: 0; margin: 2rem 0 0; counter-reset: steps; }
.number-list li { counter-increment: steps; display: grid; grid-template-columns: 42px 1fr; gap: 1rem; padding: 1.2rem 0; border-top: 1px solid var(--line); }
.number-list li::before { content: counter(steps, decimal-leading-zero); font-family: "Fraunces", Georgia, serif; color: var(--brick); }
.number-list strong { display: block; margin-bottom: .2rem; }
.number-list p { margin: 0; }
.comparison { width: 100%; border-collapse: collapse; margin-top: 1.5rem; background: var(--paper); }
.comparison th, .comparison td { border: 1px solid var(--line); padding: .9rem; text-align: left; vertical-align: top; }
.comparison th { font-family: "Fraunces", Georgia, serif; font-size: 1.05rem; }
.callout { background: var(--ink); color: var(--bone); border-radius: 18px; padding: clamp(1.5rem, 4vw, 2.5rem); }
.callout h2 { color: var(--bone); }
.callout p { color: rgba(244, 239, 230, .74); }
.callout .button { background: var(--bone); color: var(--ink); }
.faq details { border-top: 1px solid var(--line); padding: 1rem 0; }
.faq summary { cursor: pointer; font-weight: 650; }
.faq details p { margin: .65rem 0 0; max-width: 820px; }
.author { display: grid; grid-template-columns: 100px 1fr; gap: 1.4rem; align-items: center; }
.author img { width: 100px; height: 100px; object-fit: cover; border-radius: 50%; filter: grayscale(15%); }
.author h2 { font-size: 1.7rem; margin-bottom: .4rem; }
.related { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1rem; }
.related a { background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: .55rem .8rem; text-decoration: none; font-size: .88rem; }
.roi-calculator { margin-top: 2rem; padding: clamp(1.25rem, 4vw, 2.4rem); border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
.roi-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1.4rem; }
.roi-fields label { display: grid; gap: .4rem; font-weight: 650; }
.roi-fields label span { color: var(--muted); font-size: .78rem; font-weight: 400; line-height: 1.4; }
.roi-fields input { width: 100%; border: 1px solid var(--line); border-radius: 10px; background: white; color: var(--ink); padding: .8rem .9rem; font: inherit; }
.roi-fields input:focus { outline: 3px solid rgba(154, 69, 39, .18); border-color: var(--brick); }
.roi-calculator button { border: 0; cursor: pointer; font: inherit; }
.roi-error { min-height: 1.5rem; margin-top: .7rem !important; color: #8d281f !important; }
.roi-results { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .75rem; margin-top: 1.25rem; }
.roi-results div { min-width: 0; padding: 1rem; border-radius: 12px; background: var(--ink); color: var(--bone); }
.roi-results span { display: block; min-height: 2.8em; color: rgba(244, 239, 230, .72); font-size: .72rem; line-height: 1.35; text-transform: uppercase; letter-spacing: .08em; }
.roi-results strong { display: block; margin-top: .45rem; font-family: "Fraunces", Georgia, serif; font-size: clamp(1.1rem, 2vw, 1.45rem); line-height: 1.1; overflow-wrap: anywhere; }
footer { padding: 2rem 1rem; color: var(--muted); text-align: center; font-size: .85rem; }

@media (max-width: 780px) {
  .masthead nav a:not(.cta-link) { display: none; }
  .section-grid, .author { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .comparison { font-size: .88rem; }
  .roi-fields, .roi-results { grid-template-columns: 1fr; }
  .roi-results span { min-height: 0; }
  .author img { width: 84px; height: 84px; }
}