:root {
  --green: #0F3D2E;
  --black: #0B0B0B;
  --cool-gray: #6B7280;
  --light-gray: #E5E7EB;
  --white: #FFFFFF;
  --shell: 1296px;
  --page-pad: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--black);
  background: var(--white);
  font-family: "Inter", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

.shell {
  width: min(calc(100% - (var(--page-pad) * 2)), var(--shell));
  margin: 0 auto;
}

.site-header { background: var(--white); }
.header-inner {
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--light-gray);
}
.brand img { width: 240px; height: auto; }
.desktop-nav { display: flex; align-items: center; gap: 38px; font-size: 16px; font-weight: 500; }
.desktop-nav > a:not(.button) { transition: color .2s ease; }
.desktop-nav > a:not(.button):hover { color: var(--green); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 26px;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--green); color: var(--white); }
.button-primary:hover { background: #0B3225; }
.button-nav { min-height: 52px; padding-inline: 23px; font-size: 16px; }
.button-outline { border: 1px solid var(--white); color: var(--white); min-width: 248px; }
.button-outline:hover { color: var(--green); background: var(--white); }

.menu-toggle, .mobile-menu { display: none; }

.hero { padding: 74px 0 92px; }
.hero-grid { display: block; }
.hero-copy { max-width: 850px; }
.eyebrow {
  margin: 0 0 22px;
  color: var(--cool-gray);
  font-size: 13px;
  line-height: 20px;
  font-weight: 600;
  letter-spacing: .01em;
}
.hero-copy h1 {
  max-width: 820px;
  margin: 0 0 20px;
  font-size: clamp(46px, 3.45vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 800;
}
.hero-support {
  margin: 0 0 30px;
  color: var(--green);
  font-size: 18px;
  line-height: 1.6;
  font-weight: 500;
}
.hero-support span { margin-left: 10px; }

.origin-section { border-top: 1px solid var(--light-gray); padding: 62px 0 56px; }
.origin-grid { display: grid; grid-template-columns: 208px 1fr; gap: 46px; align-items: center; }
.portrait { width: 208px; height: 208px; border-radius: 50%; object-fit: cover; }
.origin-copy .eyebrow { margin-bottom: 10px; }
.person-name { margin: 0 0 7px; font-size: 20px; line-height: 28px; font-weight: 700; }
.person-role { margin: 0 0 25px; color: var(--cool-gray); font-size: 16px; line-height: 24px; }
.origin-copy h2 { margin: 0 0 10px; font-size: 38px; line-height: 1.18; letter-spacing: -0.025em; }
.origin-body { margin: 0; color: var(--cool-gray); font-size: 19px; line-height: 1.55; }

.follow-section { background: var(--green); color: var(--white); padding: 48px 0 52px; }
.follow-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 50px; }
.eyebrow-light { color: var(--white); opacity: .92; margin-bottom: 12px; }
.follow-section h2 { margin: 0 0 8px; font-size: 44px; line-height: 1.2; letter-spacing: -0.03em; }
.follow-section p:not(.eyebrow) { margin: 0; font-size: 18px; line-height: 28px; }

.site-footer { background: var(--black); color: var(--white); padding: 34px 0 38px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; align-items: start; gap: 64px; }
.footer-brand img { width: 220px; height: auto; }
.footer-links { display: flex; gap: 42px; padding-top: 13px; font-size: 14px; font-weight: 500; }
.footer-meta { padding-top: 7px; min-width: 230px; }
.footer-meta p { margin: 0 0 7px; color: var(--cool-gray); font-size: 13px; line-height: 20px; }

@media (max-width: 1100px) {
  :root { --page-pad: 40px; }
  .hero-copy h1 { font-size: 46px; }
  .desktop-nav { gap: 24px; }
}

@media (max-width: 820px) {
  :root { --page-pad: 22px; }
  .header-inner { height: 78px; }
  .brand img { width: 176px; }
  .desktop-nav { display: none; }
  .menu-toggle {
    display: inline-flex;
    width: 42px; height: 42px;
    padding: 11px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
  }
  .menu-toggle span { display: block; width: 20px; height: 2px; background: var(--black); }
  .mobile-menu {
    position: absolute;
    z-index: 20;
    left: 0; right: 0;
    display: grid;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--light-gray);
    box-shadow: 0 16px 32px rgba(11,11,11,.08);
  }
  .mobile-menu[hidden] { display: none; }
  .mobile-menu a { padding: 18px 22px; border-top: 1px solid var(--light-gray); font-size: 16px; font-weight: 600; }

  .hero { padding: 48px 0 62px; }
  .hero-copy h1 { font-size: clamp(40px, 11.4vw, 50px); max-width: 680px; }
  .hero-support { font-size: 17px; }

  .origin-section { padding: 50px 0; }
  .origin-grid { grid-template-columns: 132px 1fr; gap: 28px; align-items: start; }
  .portrait { width: 132px; height: 132px; }
  .origin-copy h2 { font-size: 34px; }
  .origin-body { font-size: 17px; }

  .follow-grid { grid-template-columns: 1fr; gap: 26px; }
  .follow-action { justify-self: start; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-links { padding-top: 0; }
  .footer-meta { padding-top: 0; }
}

@media (max-width: 520px) {
  :root { --page-pad: 20px; }
  .site-header { position: relative; }
  .hero { padding: 38px 0 50px; }
  .eyebrow { margin-bottom: 16px; font-size: 11px; line-height: 18px; }
  .hero-copy h1 { font-size: 40px; line-height: 1.1; letter-spacing: -0.035em; margin-bottom: 16px; }
  .hero-support { display: flex; flex-wrap: wrap; gap: 5px 10px; margin-bottom: 26px; font-size: 16px; line-height: 1.4; }
  .hero-support span { margin-left: 0; }
  .button { min-height: 52px; padding-inline: 22px; font-size: 16px; }

  .origin-grid { grid-template-columns: 1fr; gap: 22px; }
  .portrait { width: 160px; height: 160px; }
  .person-name { font-size: 18px; }
  .person-role { margin-bottom: 20px; }
  .origin-copy h2 { font-size: 32px; line-height: 1.18; }
  .origin-body { font-size: 16px; line-height: 1.55; }

  .follow-section { padding: 42px 0 46px; }
  .follow-section h2 { font-size: 38px; }
  .follow-section p:not(.eyebrow) { font-size: 16px; line-height: 25px; }
  .button-outline { min-width: 0; }

  .site-footer { padding: 30px 0 34px; }
  .footer-brand img { width: 190px; }
  .footer-links { gap: 28px; }
}

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