:root {
  --ink: #13241f;
  --ink-soft: #2e4039;
  --paper: #f4f1e9;
  --paper-bright: #fbfaf6;
  --lime: #adff5c;
  --mint: #d7f6dd;
  --line: rgba(19, 36, 31, 0.17);
  --max: 1180px;
  --shadow: 0 26px 70px rgba(19, 36, 31, 0.12);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(19, 36, 31, 0.035) 50%, transparent 50.2%),
    var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

a:focus-visible,
button:focus-visible {
  outline: 3px solid #4c8f1f;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 10px;
  left: 10px;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink);
  font-weight: 800;
}

.skip-link:focus { transform: translateY(0); }

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border-radius: 9px;
  background: var(--ink);
  color: var(--lime);
  font-size: 14px;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
  font-weight: 750;
}

.nav-links a {
  text-decoration: none;
  text-underline-offset: 5px;
}

.nav-links a:hover { text-decoration: underline; }

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(82px, 12vw, 150px) 0 clamp(72px, 10vw, 124px);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 430px;
  height: 430px;
  right: max(-120px, calc((100vw - var(--max)) / 2 - 160px));
  top: 70px;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(173, 255, 92, 0.08), 0 0 0 140px rgba(19, 36, 31, 0.025);
}

.eyebrow {
  margin: 0 0 22px;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 3px;
  margin: 0 12px 3px 0;
  background: var(--ink);
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 870px;
  margin-bottom: 30px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(54px, 8.3vw, 108px);
  font-weight: 500;
  line-height: 0.94;
  letter-spacing: -0.065em;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 38px;
  color: var(--ink-soft);
  font-size: clamp(19px, 2.1vw, 25px);
  line-height: 1.45;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 21px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  transition: transform 160ms ease, background-color 160ms ease;
}

.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--ink); color: white; }
.button.primary:hover { background: #263b33; }
.button.secondary { background: transparent; }

.section {
  padding: clamp(76px, 9vw, 120px) 0;
  border-top: 1px solid var(--line);
}

.section.dark {
  border-top: 0;
  background: var(--ink);
  color: white;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(190px, 0.7fr) minmax(0, 1.55fr);
  gap: clamp(40px, 8vw, 120px);
}

.section-index {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.dark .section-index { color: rgba(255, 255, 255, 0.58); }

h2 {
  margin-bottom: 24px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(39px, 5.2vw, 67px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.045em;
}

.lead {
  max-width: 770px;
  margin-bottom: 44px;
  color: var(--ink-soft);
  font-size: clamp(19px, 2vw, 24px);
}

.dark .lead { color: rgba(255, 255, 255, 0.72); }

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.principle {
  min-height: 190px;
  padding: 27px;
  background: var(--paper);
}

.principle-number {
  display: block;
  margin-bottom: 43px;
  font-size: 12px;
  font-weight: 800;
}

.principle h3 {
  margin-bottom: 9px;
  font-size: 17px;
}

.principle p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.product-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  overflow: hidden;
  margin-top: 46px;
  padding: clamp(32px, 5vw, 58px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 28px;
  background: #1c3029;
  box-shadow: var(--shadow);
}

.product-card::after {
  content: "Y";
  position: absolute;
  right: -18px;
  bottom: -75px;
  color: var(--lime);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 290px;
  line-height: 1;
  opacity: 0.13;
}

.product-kicker {
  margin-bottom: 12px;
  color: var(--lime);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.product-card h3 {
  margin-bottom: 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 500;
  letter-spacing: -0.05em;
}

.product-card p {
  max-width: 590px;
  color: rgba(255, 255, 255, 0.72);
}

.product-card .button {
  position: relative;
  z-index: 1;
  margin-top: 14px;
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
}

.product-facts {
  position: relative;
  z-index: 1;
  align-self: end;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-facts li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 14px;
}

.product-facts span:first-child { color: rgba(255, 255, 255, 0.58); }

.company-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 48px;
  border-top: 1px solid var(--line);
}

.detail {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.detail:nth-child(odd) { padding-right: 30px; }
.detail:nth-child(even) { padding-left: 30px; border-left: 1px solid var(--line); }

.detail dt {
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.detail dd { margin: 0; font-weight: 700; }

.contact-card {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding: clamp(32px, 5vw, 60px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper-bright);
}

.contact-card h2 { max-width: 640px; margin-bottom: 12px; }
.contact-card p { max-width: 590px; margin-bottom: 0; color: var(--ink-soft); }

.email-link {
  display: inline-block;
  flex: 0 0 auto;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--ink);
  text-decoration: none;
  font-weight: 850;
}

.site-footer {
  padding: 42px 0 55px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.footer-identity { max-width: 640px; }
.footer-identity strong { display: block; margin-bottom: 7px; }
.footer-identity p, .footer-links { margin: 0; color: var(--ink-soft); font-size: 13px; }
.footer-links { display: flex; gap: 18px; list-style: none; padding: 0; }
.footer-links a { text-underline-offset: 4px; }

.legal-page { min-height: 68vh; padding: clamp(65px, 10vw, 120px) 0; }
.legal-copy { max-width: 780px; }
.legal-copy h1 { font-size: clamp(48px, 7vw, 82px); }
.legal-copy h2 { margin-top: 48px; font-family: inherit; font-size: 22px; font-weight: 850; letter-spacing: -0.02em; }
.legal-copy p, .legal-copy li { color: var(--ink-soft); }

@media (max-width: 800px) {
  body { font-size: 16px; }
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 72px; }
  .nav-links { gap: 16px; }
  .nav-links li:first-child { display: none; }
  .section-grid { grid-template-columns: 1fr; gap: 24px; }
  .principles, .product-card { grid-template-columns: 1fr; }
  .product-facts { margin-top: 20px; }
  .contact-card, .footer-grid { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 540px) {
  h1 { font-size: 51px; }
  .nav-links li:nth-child(2) { display: none; }
  .principles, .company-details { grid-template-columns: 1fr; }
  .detail:nth-child(odd), .detail:nth-child(even) { padding-left: 0; padding-right: 0; border-left: 0; }
  .product-card { border-radius: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}