:root {
  color-scheme: light;
  --evergreen: #203C35;
  --ivory: #F5F2EA;
  --charcoal: #252D29;
  --sage: #A8B7A3;
  --bronze: #B58A56;
  --paper: #FBFAF6;
  --muted: #5F6D66;
  --line: rgba(32, 60, 53, .2);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body { margin: 0; background: var(--ivory); color: var(--charcoal); font-family: var(--sans); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 10; top: .75rem; left: .75rem; padding: .75rem 1rem; background: var(--evergreen); color: white; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--bronze); outline-offset: 4px; }

.site-header { position: relative; z-index: 1; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: block; width: 204px; flex: 0 1 204px; }
.brand img { width: 100%; height: auto; }
.site-header nav { display: flex; align-items: center; gap: clamp(1.2rem, 3vw, 2.6rem); }
.site-header nav a { font-size: .88rem; text-decoration: none; }
.site-header nav a:not(.nav-cta) { color: var(--muted); transition: color .2s ease; }
.site-header nav a:not(.nav-cta):hover { color: var(--evergreen); }
.nav-cta { padding: .7rem 1rem; border: 1px solid var(--evergreen); border-radius: 2px; color: var(--evergreen); }
.nav-cta span { margin-left: .45rem; }

.hero { min-height: 655px; position: relative; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr); align-items: center; gap: clamp(3rem, 8vw, 7.5rem); padding-top: 5rem; padding-bottom: 7.4rem; }
.hero-copy { max-width: 640px; padding-bottom: 1rem; }
.eyebrow { margin: 0 0 1.45rem; display: flex; gap: .75rem; align-items: center; color: var(--evergreen); font-size: 0.875rem; font-weight: 700; letter-spacing: .19em; line-height: 1.5; text-transform: uppercase; }
.eyebrow-line { width: 38px; height: 1px; background: var(--bronze); flex: 0 0 auto; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 650px; margin-bottom: 1.3rem; color: var(--evergreen); font-size: clamp(3.5rem, 6vw, 5.35rem); font-weight: 550; letter-spacing: -.065em; line-height: .99; }
.tagline { margin-bottom: 1rem; font-size: clamp(1.1rem, 1.6vw, 1.35rem); font-weight: 570; letter-spacing: -.02em; }
.hero-intro { max-width: 510px; margin-bottom: 2rem; color: var(--muted); font-size: 1rem; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 1.8rem; padding: .85rem 1.2rem; border: 1px solid transparent; border-radius: 2px; font-size: .92rem; font-weight: 620; text-decoration: none; transition: background-color .2s ease, transform .2s ease; }
.button span { font-size: 1.15rem; line-height: 1; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--evergreen); color: var(--ivory); }
.button-primary:hover { background: #294b42; }
.hero-aside { align-self: center; padding: 2.1rem 0 1.4rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.logo-stage { min-height: 145px; display: flex; align-items: center; padding: .8rem .25rem 1.4rem; }
.logo-stage img { width: min(100%, 440px); height: auto; }
.principles { border-top: 1px solid var(--line); }
.principles > div { display: flex; gap: 1.1rem; align-items: baseline; padding: .8rem .1rem; border-bottom: 1px solid var(--line); font-size: 0.875rem; }
.principle-number { color: var(--bronze); font-size: 0.875rem; letter-spacing: .12em; }
.aside-note { margin: 1.2rem 0 0; color: var(--muted); font-family: var(--serif); font-size: 1.13rem; font-style: italic; }
.hero-footer { position: absolute; right: 0; bottom: 2.25rem; left: 0; display: flex; justify-content: space-between; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.875rem; letter-spacing: .14em; text-transform: uppercase; }

.section { padding-block: 7rem; }
.friction { background: var(--paper); border-block: 1px solid var(--line); }
.friction-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8.5rem); align-items: start; }
.friction h2, .section-heading h2, .pilot h2, .about h2, .contact h2 { margin-bottom: 1.3rem; color: var(--evergreen); font-size: clamp(2.4rem, 4.2vw, 3.55rem); font-weight: 520; letter-spacing: -.05em; line-height: 1.06; }
.friction h2 { max-width: 470px; }
.friction-content > p:first-child { max-width: 510px; color: var(--muted); }
.friction-list { margin: 1.8rem 0 1.3rem; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.friction-list li { display: flex; gap: .95rem; padding: .95rem 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
.list-mark { color: var(--bronze); font-size: .9rem; }
.small-note { color: var(--muted); font-size: 0.875rem; }

.approach { padding-block: 7.5rem 7rem; }
.section-heading { max-width: 660px; margin-bottom: 3.4rem; }
.section-heading > p:last-child { max-width: 580px; margin-bottom: 0; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.steps li { min-height: 245px; padding: 1.5rem 1.35rem 1.6rem 0; }
.steps li + li { padding-left: 1.35rem; border-left: 1px solid var(--line); }
.step-count { display: block; margin-bottom: 2.1rem; color: var(--bronze); font-size: 0.875rem; letter-spacing: .14em; }
.steps h3 { max-width: 205px; margin-bottom: .7rem; color: var(--evergreen); font-size: 1.13rem; font-weight: 650; letter-spacing: -.02em; line-height: 1.25; }
.steps p { margin-bottom: 0; color: var(--muted); font-size: 0.875rem; line-height: 1.65; }
.approach-note { max-width: 740px; display: flex; align-items: flex-start; gap: 1rem; margin-top: 2rem; color: var(--evergreen); }
.approach-note > span { color: var(--bronze); }
.approach-note p { margin: 0; font-size: .93rem; }

.pilot { background: var(--evergreen); color: var(--ivory); }
.pilot-grid { display: grid; grid-template-columns: 1fr .84fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.pilot .eyebrow { color: var(--sage); }
.pilot h2 { max-width: 520px; color: var(--ivory); }
.pilot-copy > p:not(.eyebrow) { max-width: 515px; color: rgba(245, 242, 234, .8); }
.button-light { margin-top: .7rem; border-color: var(--ivory); color: var(--ivory); }
.button-light:hover { background: rgba(245, 242, 234, .1); }
.pilot-details { padding-left: 2rem; border-left: 1px solid rgba(245, 242, 234, .27); }
.detail-row { padding: 1.1rem 0; border-bottom: 1px solid rgba(245, 242, 234, .22); }
.detail-label { color: var(--sage); font-size: 0.875rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.detail-row p { margin: .45rem 0 0; font-size: .91rem; line-height: 1.6; }
.pilot-footnote { margin: 1.2rem 0 0; color: rgba(245, 242, 234, .68); font-size: 0.875rem; }

.about { display: grid; grid-template-columns: .55fr 1fr; gap: clamp(3rem, 10vw, 10rem); align-items: center; padding-block: 7rem; }
.about-mark { color: var(--evergreen); font-family: var(--serif); font-size: clamp(5rem, 12vw, 9.5rem); letter-spacing: -.1em; line-height: 1; }
.about-mark span { color: var(--bronze); font-size: .55em; }
.about-copy { max-width: 660px; }
.about-copy > p:not(.eyebrow) { color: var(--muted); }
.about h2 { max-width: 600px; }

.contact { background: #E9E9DF; border-block: 1px solid var(--line); text-align: center; }
.contact-inner { max-width: 720px; }
.contact .eyebrow { justify-content: center; }
.contact h2 { max-width: 650px; margin-inline: auto; }
.contact-inner > p:not(.eyebrow):not(.contact-close) { max-width: 550px; margin: 0 auto 1.8rem; color: var(--muted); }
.contact-card { max-width: 500px; margin: 0 auto; padding: 1.3rem 1.5rem; border: 1px solid var(--line); background: rgba(251, 250, 246, .68); }
.contact-label { display: block; margin-bottom: .4rem; color: var(--muted); font-size: 0.875rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.contact-email { display: block; color: var(--evergreen); font-size: clamp(1rem, 2.8vw, 1.35rem); font-weight: 650; letter-spacing: -.02em; overflow-wrap: anywhere; }
.contact-card p { margin: .6rem 0 0; color: var(--muted); font-size: 0.875rem; }
.contact-close { margin: 1.4rem 0 0; color: var(--muted); font-family: var(--serif); font-size: 1.05rem; font-style: italic; }

.site-footer { padding-block: 2rem 1.3rem; background: var(--ivory); }
.footer-inner { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.footer-brand { display: block; width: 150px; flex-shrink: 0; }
.footer-brand img { width: 100%; height: auto; }
.footer-inner > span { color: var(--muted); font-size: 0.875rem; }
.back-top { color: var(--evergreen); font-size: 0.875rem; text-decoration: none; }
.footer-legal { display: flex; justify-content: space-between; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.875rem; }

@media (max-width: 820px) {
  .container { width: min(100% - 44px, 660px); }
  .header-inner { min-height: 80px; }
  .brand { width: 176px; flex-basis: 176px; }
  .site-header nav { gap: 1rem; }
  .site-header nav a { font-size: 0.875rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 3.3rem; padding-top: 4.5rem; padding-bottom: 7rem; }
  .hero-copy { max-width: 610px; }
  h1 { max-width: 620px; font-size: clamp(3.6rem, 11vw, 5.3rem); }
  .hero-aside { max-width: 600px; padding-top: 1.4rem; }
  .logo-stage { min-height: 110px; }
  .logo-stage img { max-width: 390px; }
  .section { padding-block: 5.5rem; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li { min-height: 210px; padding: 1.35rem; }
  .steps li:nth-child(odd) { padding-left: 0; border-left: 0; }
  .steps li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .steps li:nth-child(even) { border-left: 1px solid var(--line); }
  .step-count { margin-bottom: 1.5rem; }
  .pilot-grid { grid-template-columns: 1fr; gap: 3rem; }
  .pilot-details { max-width: 620px; padding-left: 1.5rem; }
  .about { grid-template-columns: .35fr 1fr; gap: 3rem; }
  .about-mark { font-size: 6rem; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 72px; gap: .5rem; flex-wrap: wrap; padding-block: .75rem; }
  .site-header nav { width: 100%; justify-content: space-between; }
  .brand { width: 142px; flex-basis: 142px; }
  .site-header nav { gap: .75rem; }
  .site-header nav a { font-size: 0.875rem; }
  .site-header nav a:first-child { display: none; }
  .nav-cta { padding: .6rem .65rem; }
  .hero { gap: 2.6rem; padding-top: 3.6rem; padding-bottom: 6.4rem; }
  .eyebrow { font-size: 0.875rem; letter-spacing: .15em; }
  h1 { font-size: clamp(3.2rem, 14vw, 4.15rem); }
  .tagline { font-size: 1.04rem; }
  .hero-intro { font-size: .94rem; }
  .hero-footer { bottom: 1.4rem; gap: 1rem; font-size: 0.875rem; letter-spacing: .1em; }
  .hero-footer span:last-child { text-align: right; }
  .friction-grid { grid-template-columns: 1fr; gap: 1.4rem; }
  .friction h2, .section-heading h2, .pilot h2, .about h2, .contact h2 { font-size: clamp(2.4rem, 10vw, 3.1rem); }
  .section { padding-block: 4.6rem; }
  .approach { padding-block: 4.8rem; }
  .section-heading { margin-bottom: 2.3rem; }
  .steps li { min-height: 235px; padding: 1.1rem .85rem 1.2rem 0; }
  .steps li + li { padding-left: .85rem; }
  .steps li:nth-child(odd) { padding-left: 0; }
  .steps h3 { font-size: 1rem; }
  .steps p { font-size: 0.875rem; }
  .pilot-grid { gap: 2.2rem; }
  .pilot-details { padding-left: 1rem; }
  .about { grid-template-columns: 1fr; gap: 1.4rem; padding-block: 4.7rem; }
  .about-mark { font-size: 4.5rem; }
  .contact-card { padding: 1.2rem 1rem; }
  .footer-inner { flex-wrap: wrap; gap: .9rem 1rem; padding-bottom: 1.2rem; }
  .footer-brand { width: 130px; }
  .footer-inner > span { order: 3; flex: 1 0 100%; font-size: 0.875rem; }
  .back-top { margin-left: auto; }
  .footer-legal { font-size: 0.875rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Readable body copy across viewport sizes. */
.steps p, .detail-row p, .hero-intro, .friction-list li, .approach-note p { font-size: 1rem; }
@media (max-width: 560px) {
.steps { grid-template-columns: 1fr; }
.steps li, .steps li + li, .steps li:nth-child(even) { min-height: auto; padding: 1.5rem 0; border-left: 0; }
.steps li + li { border-top: 1px solid var(--line); }
.hero-footer { position: static; flex-wrap: wrap; }
.hero { padding-bottom: 2rem; }
}

.why-start { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 2.5rem; }
.why-start h3 { color: var(--evergreen); font-size: 1.5rem; line-height: 1.25; }
.why-start ul { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 3rem; padding: 0; list-style: none; }
.why-start li { color: var(--muted); font-size: 1rem; }
.why-start strong { display: block; color: var(--evergreen); margin-bottom: .4rem; }
.feature-source { font-size: .875rem; color: var(--muted); }
@media (max-width: 560px) { .why-start ul { grid-template-columns: 1fr; } }