:root { font-family: "Segoe UI", Tahoma, Arial, sans-serif; color: #222927; background: #fff; --surface: #fff; --soft: #f1f4f2; --text: #222927; --muted: #59645e; --line: #d9e0db; --accent: #087b61; --lime: #d5f47b; color-scheme: light; }
* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; }
[hidden] { display: none !important; }
a { color: inherit; }
button, input { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #159976; outline-offset: 5px; }
.shell { width: min(1240px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 30; top: -100px; inset-inline-start: 20px; padding: 12px; background: #fff; color: #222927; }
.skip-link:focus { top: 10px; }
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 88px; display: flex; align-items: center; gap: 26px; }
.site-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-size: 14px; font-weight: 750; line-height: 1.3; flex-shrink: 0; }
.brand-symbol { width: 44px; height: 44px; position: relative; display: grid; place-items: center; background: #202825; color: #fff; font-size: 13px; }
.brand-symbol span { position: absolute; width: 9px; height: 9px; bottom: 0; right: 0; background: var(--lime); }
.site-nav { display: flex; justify-content: center; gap: 25px; margin-inline: auto; }
.site-nav a { font-size: 14px; text-decoration: none; color: var(--muted); }
.site-nav a:hover { color: var(--accent); }
.site-preferences { display: flex; gap: 14px; align-items: center; }
.language-switch { display: flex; border: 1px solid var(--line); border-radius: 4px; padding: 2px; }
.language-switch button { border: 0; background: transparent; color: var(--muted); min-height: 32px; padding: 4px 8px; font-size: 12px; cursor: pointer; border-radius: 2px; }
.language-switch button[aria-pressed="true"] { background: var(--soft); color: var(--text); font-weight: 700; }
.theme-control { display: flex; align-items: center; gap: 6px; cursor: pointer; color: var(--muted); font-size: 12px; }
.theme-control input { margin: 0; accent-color: var(--accent); width: 15px; height: 15px; }
.header-login { display: inline-flex; align-items: center; justify-content: center; gap: 12px; background: #222927; color: white; border-radius: 4px; min-height: 42px; padding: 8px 15px; text-decoration: none; font-size: 13px; font-weight: 700; white-space: nowrap; }
.hero { position: relative; min-height: 570px; background: #222927 url("/portal-static/hero-lab-v1.webp") center / cover no-repeat; color: #fff; }
.hero-shade { position: absolute; inset: 0; background: rgba(11, 19, 17, .44); }
.hero-inner { min-height: inherit; display: flex; align-items: center; position: relative; direction: ltr; }
.hero-copy { width: min(560px, 48%); padding-block: 36px; margin-block: 24px; text-shadow: 0 1px 3px rgba(0, 0, 0, .3); }
html[dir="rtl"] .hero-copy { direction: rtl; }
.eyebrow { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 700; color: var(--lime); margin: 0 0 20px; line-height: 1.7; }
.status-mark { width: 6px; height: 6px; background: var(--lime); flex-shrink: 0; }
.eyebrow.dark { color: var(--accent); }
.hero h1 { font-size: 51px; line-height: 1.06; font-weight: 700; margin: 0; overflow-wrap: break-word; }
.title-period { color: var(--lime); }
.hero-lede { font-size: 21px; line-height: 1.65; margin: 22px 0 12px; }
.hero-detail { color: #d7e3da; font-size: 15px; line-height: 1.85; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 12px 20px; min-height: 48px; border-radius: 4px; font-size: 14px; font-weight: 750; text-decoration: none; }
.button-primary { background: var(--lime); color: #202825; }
.button-primary:hover { background: #e3ffa1; }
.text-link { display: inline-flex; gap: 14px; align-items: center; font-size: 14px; text-underline-offset: 5px; font-weight: 650; }
.hero .text-link { color: white; }
.hero-caption { position: absolute; inset-inline-end: 0; bottom: 26px; display: flex; align-items: center; gap: 14px; font-size: 12px; text-shadow: 0 1px 4px #000; }
.caption-line { width: 38px; height: 1px; background: #fff; }
.scope-band { border-bottom: 1px solid var(--line); }
.scope-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 80px; flex-wrap: wrap; font-size: 13px; font-weight: 650; padding-block: 18px; }
.scope-inner > span:first-child { font-weight: 400; color: var(--muted); }
.section { padding-block: 92px; }
.section-heading { display: grid; grid-template-columns: 1.25fr 1fr; gap: 70px; align-items: end; margin-bottom: 38px; }
h2 { margin: 0; font-size: 36px; line-height: 1.35; font-weight: 650; }
.section-heading > p { font-size: 16px; line-height: 1.85; color: var(--muted); margin: 0; }
.board-tabs { display: flex; gap: 30px; border-bottom: 1px solid var(--line); margin-bottom: 35px; }
.board-tabs button { display: flex; align-items: center; gap: 14px; min-height: 63px; border: 0; border-bottom: 3px solid transparent; color: var(--muted); background: none; cursor: pointer; font-size: 20px; font-weight: 650; padding: 10px 2px; }
.board-tabs button span { font-size: 13px; font-weight: 400; }
.board-tabs button[aria-selected="true"] { border-color: var(--accent); color: var(--text); }
.board-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.board-photo { margin: 0; padding: 24px 24px 76px; background: transparent; border: 0; position: relative; aspect-ratio: 1.3; overflow: hidden; }
.board-photo img { width: 100%; height: 100%; object-fit: contain; object-position: center; display: block; }
.board-photo figcaption { position: absolute; inset-inline: 0; bottom: 0; padding: 16px 22px; background: transparent; color: var(--muted); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 13px; }
.board-info h3 { margin: 0; font-size: 32px; line-height: 1.25; text-align: start; }
.board-info .eyebrow { margin-bottom: 14px; }
.board-description { color: var(--muted); margin: 20px 0; font-size: 16px; line-height: 1.8; }
.board-features { list-style: none; padding: 0; margin: 0 0 25px; }
.board-features li { padding-block: 11px; border-bottom: 1px solid var(--line); font-size: 14px; display: flex; gap: 12px; }
.board-features li::before { content: "+"; color: var(--accent); font-weight: 700; }
.board-info .text-link { color: var(--accent); }
.experience-section { background: var(--soft); }
.experience-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 45px; padding-block: 16px 42px; }
.feature-index { color: var(--accent); font-family: Consolas, monospace; font-size: 14px; }
.experience-grid h3, .steps h3 { font-size: 21px; margin: 17px 0 12px; }
.experience-grid p, .steps p { font-size: 15px; color: var(--muted); line-height: 1.85; margin: 0; }
.experiment-heading { border-top: 1px solid var(--line); padding-top: 26px; display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.experiment-heading h3 { font-size: 18px; margin: 0; }
.experiment-heading > span { color: var(--muted); font-size: 12px; }
.experiment-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 25px; }
.experiment-grid article { background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 25px; }
.experiment-tag { font: 12px Consolas, monospace; color: var(--accent); }
.experiment-grid h4 { margin: 16px 0 10px; font-size: 18px; }
.experiment-grid p { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.85; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.steps article { border-top: 1px solid var(--line); padding-top: 22px; }
.step-number { font: 14px Consolas, monospace; color: var(--accent); }
.why-section { background: #222c27; color: #fff; }
.why-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; }
.why-copy p { margin: 0; font-size: 17px; line-height: 1.9; color: #d0dfd4; }
.why-copy p + p { margin-top: 22px; }
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { cursor: pointer; font-size: 17px; font-weight: 600; padding: 23px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-size: 22px; font-weight: 400; flex-shrink: 0; color: var(--accent); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { line-height: 1.85; font-size: 15px; color: var(--muted); margin: 0 0 23px; padding-inline-end: 30px; }
.closing-section { background: #0d6954; color: white; padding-block: 60px; }
.closing-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.closing-inner p:last-child { margin-bottom: 0; color: #d9eee5; line-height: 1.8; }
.closing-inner .button { flex-shrink: 0; }
.site-footer { background: #19231d; color: #e4ece6; }
.footer-inner { min-height: 96px; display: flex; justify-content: space-between; gap: 20px; align-items: center; font-size: 13px; }
.footer-inner a { text-decoration: none; }
.footer-inner a:first-child { font-size: 16px; font-weight: 700; }
html[data-theme="dark"] { --surface: #1b231e; --soft: #222d26; --text: #f0f4f0; --muted: #b9c8be; --line: #3c4a40; --accent: #a4e3ba; color: var(--text); background: var(--surface); color-scheme: dark; }
@media (min-width: 1440px) { .hero { min-height: 600px; } }
@media (max-width: 1100px) { .site-nav { gap: 16px; } .header-inner { gap: 18px; } .theme-control span { display: none; } .board-panel { gap: 35px; } }
@media (max-width: 950px) { .shell { width: calc(100% - 48px); } .site-nav { display: none; } .site-preferences { margin-inline-start: auto; } .hero h1 { font-size: 42px; } .hero-copy { width: 52%; } .section-heading { gap: 35px; } .board-panel { grid-template-columns: .9fr 1.1fr; } .board-info h3 { font-size: 26px; } .experience-grid { gap: 25px; } .faq-layout, .why-layout { gap: 40px; } }
@media (max-width: 650px) {
  .shell { width: calc(100% - 36px); } .header-inner { min-height: 76px; flex-wrap: wrap; padding-block: 14px; gap: 12px; } .site-brand { font-size: 12px; gap: 8px; } .brand-symbol { width: 34px; height: 38px; font-size: 11px; } .header-login { min-height: 38px; padding: 7px 10px; font-size: 12px; gap: 6px; } .site-preferences { gap: 8px; } .language-switch button { padding-inline: 6px; }
  .hero { min-height: 570px; background-position: 70% center; } .hero-inner { align-items: flex-start; } .hero-copy { width: 100%; padding: 32px 0; margin: 0; } .hero-shade { background: rgba(10, 19, 15, .64); } .hero-shade::before { display: none; } .hero h1 { font-size: 42px; max-width: 420px; } .hero-lede { font-size: 20px; } .hero-detail { max-width: 420px; font-size: 15px; } .hero-caption { bottom: 20px; } .hero-actions { gap: 18px; } .scope-inner { justify-content: flex-start; gap: 16px 25px; } .scope-inner > span:first-child { width: 100%; }
  .section { padding-block: 60px; } h2 { font-size: 28px; } .section-heading, .board-panel, .why-layout, .faq-layout { grid-template-columns: 1fr; gap: 26px; } .section-heading { margin-bottom: 28px; } .section-heading > p { font-size: 15px; } .board-tabs { gap: 25px; margin-bottom: 25px; } .board-tabs button { flex-direction: column; align-items: flex-start; gap: 5px; min-height: 72px; font-size: 18px; } .board-tabs button span { font-size: 11px; } .board-photo { aspect-ratio: 1.45; } .board-info h3 { font-size: 28px; }
  .experience-grid, .experiment-grid, .steps { grid-template-columns: 1fr; gap: 28px; } .experience-grid { padding-bottom: 35px; } .experiment-heading { flex-direction: column; align-items: flex-start; gap: 8px; } .experiment-grid { gap: 14px; } .experiment-grid article { padding: 22px; } .faq-list summary { font-size: 16px; } .closing-inner { flex-direction: column; align-items: flex-start; gap: 25px; } .footer-inner { flex-wrap: wrap; padding-block: 30px; } .footer-inner a:first-child { width: 100%; }
}
@media (max-width: 380px) { .site-preferences { order: 3; width: 100%; margin-inline-start: 0; } .header-login { margin-inline-start: auto; } .hero h1 { font-size: 36px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }