:root {
  color-scheme: light;
  --paper: #f3f0e8;
  --ink: #1e2924;
  --muted: #68736b;
  --line: #d7d8ce;
  --green: #315c47;
  --orange: #df744a;
  --serif: "Newsreader", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
  --mono: "DM Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.site-header, .site-footer { display: flex; align-items: center; justify-content: space-between; padding: 22px 5.2vw; }
.site-header { min-height: 78px; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 500 11px var(--mono); letter-spacing: .08em; }
.wordmark-mark { display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid var(--green); border-radius: 50%; color: var(--green); font: 500 12px var(--serif); letter-spacing: 0; }
nav { display: flex; gap: clamp(18px, 3vw, 48px); }
nav a, .header-note { text-decoration: none; font-size: 12px; }
nav a { color: #56635b; }
nav a:hover, .header-note:hover, .text-link:hover { color: var(--orange); }
.header-note { font: 11px var(--mono); letter-spacing: .02em; }
.header-note span { color: var(--orange); margin-left: 4px; }
.hero { display: grid; grid-template-columns: .84fr 1.16fr; min-height: 600px; padding: 42px 5.2vw 34px; gap: 3.5vw; align-items: center; }
.hero-copy { display: flex; flex-direction: column; align-items: flex-start; padding: 12px 0 0 5vw; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0; color: var(--green); font: 10px var(--mono); letter-spacing: .09em; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); }
h1, h2, h3, p, figure { margin-top: 0; }
h1 { margin: 25px 0 17px; font: 400 clamp(64px, 7vw, 100px)/.89 var(--serif); letter-spacing: -.065em; }
h1 em, h2 em { color: var(--green); font-weight: 400; }
.hero-intro { max-width: 345px; margin-bottom: 27px; color: #59635c; font-size: 15px; line-height: 1.75; }
.text-link { padding-bottom: 6px; border-bottom: 1px solid var(--orange); text-decoration: none; font-size: 12px; font-weight: 600; }
.text-link span { margin-left: 12px; color: var(--orange); }
.hero-index { display: flex; align-items: center; gap: 10px; margin-top: 68px; color: var(--muted); font: 9px var(--mono); letter-spacing: .08em; }
.hero-index span:first-child { color: var(--orange); }
.index-rule { width: 50px; height: 1px; background: #adb4a9; }
.hero-image { position: relative; margin: 0; }
.hero-image img { display: block; width: 100%; height: clamp(360px, 42vw, 555px); object-fit: cover; object-position: 60% center; }
.hero-image figcaption, .bike-photo figcaption { display: flex; justify-content: space-between; gap: 12px; padding-top: 12px; color: var(--muted); font: 8px var(--mono); letter-spacing: .06em; }
.image-stamp { position: absolute; right: 18px; top: 18px; display: grid; place-content: center; width: 44px; height: 44px; border: 1px solid rgba(243,240,232,.75); border-radius: 50%; color: #fff; text-align: center; font: 10px/1.1 var(--mono); }
.section-wrap { padding: 110px 10.2vw; }
.intro { border-top: 1px solid var(--line); }
.section-label { color: var(--orange); }
.intro-content { display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; align-items: end; margin-top: 30px; }
h2 { margin: 0; font: 400 clamp(42px, 5vw, 68px)/.98 var(--serif); letter-spacing: -.055em; }
.intro-text { max-width: 420px; color: #5a655e; font-size: 14px; line-height: 1.8; }
.intro-text p:last-child { margin-bottom: 0; }
.feature-line { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 70px; border-top: 1px solid var(--line); }
.feature { padding: 20px 30px 0 0; }
.feature + .feature { padding-left: 28px; border-left: 1px solid var(--line); }
.feature-number, .part-index { color: var(--orange); font: 10px var(--mono); }
.feature h3, .part h3 { margin: 17px 0 8px; font-size: 15px; font-weight: 600; }
.feature p, .part p { max-width: 280px; margin-bottom: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.anatomy { padding-top: 80px; background: #e9e9df; }
.anatomy-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 35px; }
.anatomy-heading h2 { margin-top: 25px; }
.anatomy-note { max-width: 265px; margin: 0 0 3px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.bike-photo { margin: 0; }
.bike-photo img { display: block; width: 100%; max-height: 520px; object-fit: cover; object-position: center 54%; }
.parts-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 50px; }
.part { display: flex; align-items: flex-start; gap: 14px; padding-top: 16px; border-top: 1px solid #c9cec3; }
.part h3 { margin-top: 0; }
.first-ride { padding: 92px 10.2vw 30px; background: var(--green); color: var(--paper); }
.first-ride .eyebrow { color: #d9e0d6; }
.first-ride h2 em { color: #d9b18b; }
.ride-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; margin-top: 38px; }
.ride-intro { max-width: 330px; margin-top: 22px; color: #d1dbd2; font-size: 14px; line-height: 1.7; }
.ride-checklist { padding: 0; margin: 0; list-style: none; }
.ride-checklist li { display: flex; gap: 20px; padding: 0 0 20px; margin-bottom: 20px; border-bottom: 1px solid rgba(243,240,232,.22); }
.ride-checklist li > span { color: #e5a17b; font: 10px var(--mono); }
.ride-checklist strong { font-size: 13px; font-weight: 600; }
.ride-checklist p { margin: 5px 0 0; color: #d1dbd2; font-size: 11px; line-height: 1.6; }
.ride-footer { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid rgba(243,240,232,.22); color: #d1dbd2; font: 9px var(--mono); letter-spacing: .07em; }
.ride-footer a { text-decoration: none; }
.site-footer { min-height: 80px; gap: 18px; color: var(--muted); }
.site-footer > span { font: 9px var(--mono); letter-spacing: .04em; }

@media (max-width: 850px) {
  .hero { grid-template-columns: .82fr 1.18fr; padding-inline: 4vw; gap: 4vw; }
  .hero-copy { padding-left: 2vw; }
  .section-wrap, .first-ride { padding-inline: 7vw; }
  .parts-list { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
}
@media (max-width: 620px) {
  .site-header { min-height: 66px; padding: 16px 6vw; }
  nav { display: none; }
  .header-note { font-size: 9px; }
  .hero { display: flex; flex-direction: column; align-items: stretch; padding: 48px 6vw 28px; gap: 34px; }
  .hero-copy { padding: 0; }
  h1 { font-size: clamp(66px, 18vw, 92px); }
  .hero-index { margin-top: 34px; }
  .hero-image img { height: 66vw; min-height: 260px; }
  .hero-image figcaption { font-size: 7px; }
  .section-wrap { padding: 72px 7vw; }
  .intro-content, .ride-layout { grid-template-columns: 1fr; gap: 22px; }
  h2 { font-size: 52px; }
  .intro-text { font-size: 13px; }
  .feature-line { grid-template-columns: 1fr; margin-top: 40px; }
  .feature, .feature + .feature { padding: 17px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .feature h3 { margin: 9px 0 5px; }
  .feature p { max-width: none; }
  .anatomy-heading { display: block; }
  .anatomy-note { margin-top: 20px; }
  .bike-photo img { min-height: 240px; }
  .bike-photo figcaption { font-size: 7px; }
  .parts-list { gap: 26px 16px; margin-top: 32px; }
  .part { gap: 10px; }
  .part h3 { font-size: 13px; }
  .part p { font-size: 11px; }
  .first-ride { padding: 72px 7vw 24px; }
  .ride-layout { margin-top: 28px; }
  .ride-checklist { margin-top: 10px; }
  .site-footer { flex-wrap: wrap; padding: 20px 6vw; }
  .site-footer > span:nth-child(2) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}