:root {
  --ink: #181713;
  --muted: #5f5b52;
  --line: #dedbd2;
  --paper: #fff;
  --tint: #f4f1e9;
  --acid: #d9ff43;
  --dark: #171913;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .8rem 1rem; background: var(--acid); color: #000; font-weight: 800; }
.skip-link:focus { top: 1rem; }
.shell { width: min(calc(100% - 3rem), var(--max)); margin-inline: auto; }
.site-header { min-height: 76px; padding: 0 max(1.5rem, calc((100vw - var(--max))/2)); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.95); position: relative; z-index: 10; }
.brand { font-size: 1.2rem; font-weight: 900; text-decoration: none; letter-spacing: -.05em; }
.brand span { color: #8ba800; }
nav { display: flex; gap: clamp(.8rem, 2.5vw, 2rem); align-items: center; }
nav a { text-decoration: none; color: var(--muted); font-size: .82rem; font-weight: 750; }
nav a:hover, nav a:focus-visible { color: var(--ink); }
.language { border: 1px solid var(--line); border-radius: 99px; padding: .35rem .65rem; color: var(--ink); }

.hero { padding-block: clamp(5rem, 10vw, 9rem) clamp(4rem, 8vw, 7rem); }
.eyebrow, .section-label { text-transform: uppercase; letter-spacing: .16em; font-size: .72rem; font-weight: 850; color: var(--muted); }
.eyebrow { display: flex; align-items: center; gap: .7rem; margin-bottom: 1.8rem; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 0 4px rgba(217,255,67,.28); }
h1, h2 { margin: 0; max-width: 1050px; font-weight: 850; letter-spacing: -.055em; line-height: .96; text-wrap: balance; }
h1 { font-size: clamp(3.4rem, 9.3vw, 8.6rem); }
h1 em, .final-cta em { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.lead { max-width: 760px; margin: 2.4rem 0 0; color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.4rem); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; gap: .8rem; align-items: center; justify-content: center; min-height: 52px; padding: .8rem 1.2rem; text-decoration: none; border: 1px solid var(--ink); font-weight: 820; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible { outline: 3px solid #7d9700; outline-offset: 3px; }
.button.primary { background: var(--ink); color: #fff; }
.button.primary:hover { background: #313028; }
.button.secondary { background: transparent; }
.microcopy { color: var(--muted); font-size: .78rem; margin-top: 1rem; }

.signal-strip { border-block: 1px solid var(--line); }
.signal-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.signal-grid div { padding: 1.5rem; border-right: 1px solid var(--line); }
.signal-grid div:first-child { padding-left: 0; }
.signal-grid div:last-child { border-right: 0; }
.signal-grid strong, .signal-grid span { display: block; }
.signal-grid strong { font-size: clamp(1.1rem, 2vw, 1.5rem); letter-spacing: -.03em; }
.signal-grid span { color: var(--muted); font-size: .76rem; margin-top: .25rem; }

.section { padding-block: clamp(5rem, 9vw, 8.5rem); }
.split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: clamp(2.5rem, 8vw, 8rem); align-items: start; }
.split h2, .section-title, .boundary-grid h2 { font-size: clamp(2.5rem, 5vw, 5.1rem); }
.prose { color: var(--muted); font-size: 1.12rem; }
.prose p:first-child { margin-top: 0; }
.section-tint { background: var(--tint); }
.section-title { margin-top: 1rem; }
.section-title.narrow { max-width: 800px; }
.topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #cbc6b9; border-left: 1px solid #cbc6b9; margin-top: clamp(3rem, 6vw, 5rem); }
.topic-grid article { min-height: 265px; padding: clamp(1.5rem, 3vw, 2.4rem); border-right: 1px solid #cbc6b9; border-bottom: 1px solid #cbc6b9; }
.topic-grid article > span { color: #777266; font-size: .73rem; font-weight: 850; }
.topic-grid h3, .steps h3 { font-size: 1.2rem; margin: 3rem 0 .7rem; letter-spacing: -.02em; }
.topic-grid p, .steps p { color: var(--muted); font-size: .9rem; margin: 0; }
.topic-grid .accent { background: var(--acid); }
.topic-grid .accent p { color: #3b3d2f; }

.steps { list-style: none; margin: clamp(3rem, 6vw, 5rem) 0 0; padding: 0; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 80px minmax(0,1fr); gap: 1rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.steps li > span { font-family: Georgia, serif; font-size: 2rem; color: #949086; }
.steps h3 { margin: 0 0 .35rem; font-size: 1.25rem; }

.boundary-section { background: var(--dark); color: #f7f5ec; }
.boundary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); }
.section-label.light { color: #bbbbae; }
.boundary-grid ul { list-style: none; margin: 0; padding: 0; }
.boundary-grid li { position: relative; padding: 1.2rem 0 1.2rem 2rem; border-bottom: 1px solid #3b3d34; color: #d4d3c9; }
.boundary-grid li::before { content: "✓"; position: absolute; left: 0; color: var(--acid); font-weight: 900; }

.final-cta { padding-block: clamp(6rem, 12vw, 11rem); text-align: center; display: flex; flex-direction: column; align-items: center; }
.final-cta h2 { font-size: clamp(3rem, 7vw, 7rem); }
.final-cta .button { margin-top: 2.5rem; }
footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 96px; display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: .76rem; }
.footer-inner div { display: flex; gap: 1.3rem; }
.footer-inner a { text-decoration: none; }

@media (max-width: 820px) {
  .shell { width: min(calc(100% - 2rem), var(--max)); }
  nav a:not(.language) { display: none; }
  .signal-grid { grid-template-columns: repeat(2,1fr); }
  .signal-grid div { border-bottom: 1px solid var(--line); }
  .signal-grid div:nth-child(2) { border-right: 0; }
  .signal-grid div:nth-child(3), .signal-grid div:nth-child(4) { border-bottom: 0; }
  .signal-grid div:first-child, .signal-grid div:nth-child(3) { padding-left: 0; }
  .split, .boundary-grid { grid-template-columns: 1fr; }
  .topic-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 540px) {
  h1 { font-size: clamp(3.2rem, 17vw, 5.2rem); }
  .hero { padding-top: 4rem; }
  .hero-actions, .button { width: 100%; }
  .signal-grid, .topic-grid { grid-template-columns: 1fr; }
  .signal-grid div { padding-left: 0; border-right: 0; border-bottom: 1px solid var(--line) !important; }
  .signal-grid div:last-child { border-bottom: 0 !important; }
  .topic-grid article { min-height: auto; }
  .topic-grid h3 { margin-top: 2rem; }
  .steps li { grid-template-columns: 42px minmax(0,1fr); }
  .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; gap: .5rem; }
}

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