:root {
  color-scheme: light dark;
  --page: #fafafa;
  --surface: #ffffff;
  --ink: #18181b;
  --secondary: #52525b;
  --line: #e4e4e7;
  --action: #047857;
  --logo-backdrop: #fafafa;
  --radius-panel: 16px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;
  --content-width: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #111715;
    --surface: #18201d;
    --ink: #f4f4f5;
    --secondary: #b5c0ba;
    --line: #37423c;
    --action: #a7f3d0;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--ink); font: 400 16px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: 5px; touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid var(--action); outline-offset: 5px; }
svg { display: block; flex-shrink: 0; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 500; }
h1, h2 { text-wrap: balance; }
p { text-wrap: pretty; }
.wrap { width: min(calc(100% - var(--space-24)), var(--content-width)); margin-inline: auto; }
.section { padding-block: var(--space-24); }
.eyebrow { font-size: 12px; line-height: 1.6; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--secondary); }
.skip-link { position: fixed; top: var(--space-3); left: var(--space-6); z-index: 10; padding: var(--space-3) var(--space-6); background: var(--surface); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: var(--space-6); min-height: var(--space-24); border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; min-height: 44px; font-size: 24px; font-weight: 650; letter-spacing: -.05em; line-height: 1; text-decoration: none; }
.brand-mark { width: var(--space-8); height: var(--space-8); margin-right: var(--space-2); }
.wordmark-period { color: var(--action); }
.text-link { display: inline-flex; align-items: center; gap: var(--space-3); min-height: 44px; font-size: 14px; text-decoration: none; overflow-wrap: anywhere; }
.text-link:hover { color: var(--action); }
main:focus { outline: none; }
.mission { text-align: center; }
h1 { margin-top: var(--space-6); font-size: clamp(44px, 6.1vw, 88px); line-height: 1.05; letter-spacing: -.06em; }
.mission-description { max-width: 60ch; margin: var(--space-8) auto 0; color: var(--secondary); font-size: 18px; }
.product-section { text-align: center; border-block: 1px solid var(--line); }
.product-headline { font-size: clamp(48px, 5.4vw, 72px); line-height: 1.05; letter-spacing: -.055em; }
.product-copy { max-width: 68ch; margin: var(--space-12) auto 0; }
.product-identity { display: flex; align-items: center; justify-content: center; gap: var(--space-8); margin-bottom: var(--space-8); }
.product-logo { width: 176px; padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-panel); background: var(--logo-backdrop); flex-shrink: 0; }
.product-logo img { display: block; width: 100%; height: auto; }
.product-identity h3 { text-align: left; line-height: 1.1; letter-spacing: -.04em; }
.product-greeting { display: block; color: var(--secondary); font-size: 28px; font-weight: 400; letter-spacing: -.025em; }
.product-name { display: block; margin-top: var(--space-2); color: var(--action); font-size: clamp(40px, 4.3vw, 56px); font-weight: 650; }
.product-copy > p { max-width: 50ch; margin: var(--space-4) auto 0; color: var(--secondary); font-size: 18px; }
.product-copy .status { display: flex; align-items: center; justify-content: center; gap: var(--space-2); margin-top: var(--space-6); color: var(--secondary); font-size: 12px; }
.status-dot { width: var(--space-2); height: var(--space-2); border-radius: 50%; background: var(--action); flex-shrink: 0; }
.section-intro { display: grid; grid-template-columns: 1fr 2fr; gap: var(--space-16); margin-bottom: var(--space-16); }
.section-intro > .eyebrow { padding-top: var(--space-3); }
.section-intro h2, .about-layout h2 { font-size: clamp(36px, 3.5vw, 48px); line-height: 1.16; letter-spacing: -.045em; }
.section-intro div > p { margin-top: var(--space-6); color: var(--secondary); max-width: 53ch; font-size: 18px; }
.principle-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-12); }
.principle-list article { border-top: 1px solid var(--line); padding-top: var(--space-6); }
.principle-list h3 { font-size: 18px; line-height: 1.4; letter-spacing: -.015em; }
.principle-list p { margin-top: var(--space-4); color: var(--secondary); }
.about-section { border-block: 1px solid var(--line); background: var(--surface); }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-24); }
.about-layout h2 { margin-top: var(--space-6); }
.about-copy > p:first-child { font-size: 18px; }
.about-copy > p + p { margin-top: var(--space-6); color: var(--secondary); font-size: 14px; }
.contact-block { margin-top: var(--space-12); padding-top: var(--space-8); border-top: 1px solid var(--line); }
.contact-block h3 { font-size: 24px; line-height: 1.3; letter-spacing: -.025em; }
.contact-block p { margin-top: var(--space-3); color: var(--secondary); }
.contact-email { display: inline-flex; align-items: center; gap: var(--space-3); min-height: 44px; margin-top: var(--space-4); font-size: 18px; color: var(--action); overflow-wrap: anywhere; }
.site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2) var(--space-6); padding-block: var(--space-6); color: var(--secondary); }
.site-footer p { font-size: 12px; }

@media (max-width: 1023px) {
  .section-intro, .about-layout { gap: var(--space-8); }
  .principle-list { gap: var(--space-6); }
}
@media (max-width: 767px) {
  .wrap { width: calc(100% - var(--space-12)); }
  .section { padding-block: var(--space-16); }
  .site-header { min-height: 80px; gap: var(--space-3); }
  h1 { font-size: clamp(40px, 8.5vw, 60px); }
  .mission-description { font-size: 16px; }
  .section-intro, .about-layout { grid-template-columns: 1fr; gap: var(--space-8); }
  .product-headline { font-size: clamp(48px, 10vw, 64px); }
  .product-identity { flex-direction: column; gap: var(--space-6); }
  .product-identity h3 { text-align: center; }
  .product-greeting { font-size: 24px; }
  .product-name { font-size: clamp(40px, 10.5vw, 48px); }
  .product-copy > p { font-size: 17px; }
  .section-intro { margin-bottom: var(--space-12); }
  .section-intro > .eyebrow { padding-top: 0; }
  .section-intro h2, .about-layout h2 { font-size: clamp(32px, 6vw, 40px); }
  .principle-list { grid-template-columns: 1fr; gap: var(--space-8); }
  .principle-list p { max-width: 60ch; margin-top: var(--space-3); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}