:root {
  color-scheme: light;
  --green: #006c45;
  --green-deep: #004d35;
  --mint: #acf2c8;
  --mint-soft: #e7f6eb;
  --ink: #0b1710;
  --body: #152018;
  --muted: #526159;
  --line: #cbd4cc;
  --surface: #ffffff;
  --page: #f7f8f5;
  --error: #93000a;
  --error-bg: #ffdad6;
  --radius: 1rem;
  --shadow: 0 1.25rem 3.75rem rgba(0, 64, 40, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--body); background: var(--surface); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; font-size: 1rem; line-height: 1.55; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
button, input, select { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--ink); line-height: 1.12; letter-spacing: -.025em; }
h1 { margin-bottom: 1.25rem; font-size: clamp(2.8rem, 7vw, 5.4rem); font-weight: 800; }
h2 { margin-bottom: 1rem; font-size: clamp(2rem, 4vw, 3rem); }
h3 { margin-bottom: .45rem; font-size: 1.1rem; }
.shell { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; left: 1rem; top: -5rem; padding: .75rem 1rem; color: white; background: var(--green); border-radius: .5rem; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid rgba(203, 212, 204, .72); background: rgba(255,255,255,.94); backdrop-filter: blur(14px); }
.header-inner { display: flex; align-items: center; min-height: 4.75rem; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--green-deep); font-weight: 800; font-size: 1.2rem; text-decoration: none; }
.brand-mark { display: inline-grid; width: 1.8rem; height: 1.8rem; place-items: center; border-radius: .6rem; background: var(--mint); font-size: 1rem; }
.desktop-nav { display: flex; gap: clamp(1rem, 2.2vw, 2rem); margin-left: auto; }
.desktop-nav a, .login-link { font-size: .9rem; font-weight: 650; text-decoration: none; }
.desktop-nav a:hover, .login-link:hover, .text-link:hover { color: var(--green); }
.header-actions { display: flex; align-items: center; gap: 1rem; }
.mobile-menu { display: none; margin-left: auto; }
.mobile-menu summary { list-style: none; font-weight: 750; cursor: pointer; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu[open] nav { position: absolute; left: 1rem; right: 1rem; top: 4.35rem; display: grid; padding: 1rem; border: 1px solid var(--line); border-radius: .85rem; background: white; box-shadow: var(--shadow); }
.mobile-menu nav a { padding: .7rem; font-weight: 700; text-decoration: none; }
.button { display: inline-flex; min-height: 3.1rem; align-items: center; justify-content: center; gap: .55rem; padding: .75rem 1.2rem; border: 1px solid var(--green); border-radius: .75rem; color: white; background: var(--green); font-weight: 750; text-decoration: none; transition: transform .18s ease, background .18s ease; }
.button:hover { background: var(--green-deep); transform: translateY(-1px); }
.button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible, summary:focus-visible, button:focus-visible { outline: 3px solid #69f0ae; outline-offset: 3px; }
.button-small { min-height: 2.55rem; padding: .55rem .95rem; font-size: .88rem; }
.button-secondary { color: var(--green); background: transparent; }
.button-secondary:hover { color: white; }
.button-light { color: var(--green-deep); border-color: white; background: white; }
.button-light:hover { color: white; border-color: var(--green-deep); }
.full-width { width: 100%; }
.text-link { color: var(--green); font-weight: 750; text-decoration: none; }
.eyebrow { margin-bottom: .7rem; color: var(--green); font-size: .8rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.lead { max-width: 42rem; color: #34463c; font-size: clamp(1.05rem, 2vw, 1.25rem); }
.hero { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(20rem, .92fr); min-height: 44rem; align-items: center; gap: clamp(2rem, 5vw, 5rem); padding-block: 4rem 3rem; overflow: hidden; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { max-width: 12ch; }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; margin-top: 2rem; }
.trust-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 3rem 0 0; padding: 0; list-style: none; }
.trust-row li { display: grid; grid-template-columns: 2rem 1fr; column-gap: .55rem; align-items: center; }
.trust-row li > span { display: grid; grid-row: span 2; width: 2rem; height: 2rem; place-items: center; color: var(--green); border-radius: 50%; background: var(--mint-soft); font-weight: 800; }
.trust-row strong { font-size: .83rem; }
.trust-row small { color: var(--muted); line-height: 1.3; }
.product-visual { position: relative; display: grid; place-items: center; min-height: 34rem; }
.phone-frame { position: relative; z-index: 2; width: min(19rem, 75vw); padding: .55rem; border: .2rem solid #121713; border-radius: 2.7rem; background: #121713; box-shadow: 0 2rem 4rem rgba(0,0,0,.18); transform: rotate(3deg); overflow: hidden; }
.phone-frame img { width: 100%; aspect-ratio: 1206 / 2622; border-radius: 2.1rem; object-fit: cover; }
.visual-glow { position: absolute; width: 27rem; height: 27rem; border-radius: 50%; background: radial-gradient(circle, rgba(172,242,200,.9), rgba(172,242,200,0) 68%); transform: translate(2rem, 8rem); }
.section { padding-block: 5.5rem; }
.section-heading { max-width: 46rem; margin-bottom: 2.5rem; }
.centered { margin-inline: auto; text-align: center; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.steps article { position: relative; padding: 1.7rem; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.step-icon { display: grid; width: 2.5rem; height: 2.5rem; margin-bottom: 1.2rem; place-items: center; color: var(--green); border: 1px solid var(--green); border-radius: .8rem; background: var(--mint-soft); font-weight: 800; }
.steps article:not(:last-child)::after { content: "→"; position: absolute; z-index: 3; top: 2.2rem; right: -1.8rem; width: 2.4rem; color: var(--green); text-align: center; font-size: 1.4rem; }
.steps p, .values p, .principles-grid p, .feature-list p { margin-bottom: 0; color: var(--muted); }
.soft-section { background: linear-gradient(115deg, #f5fbf5, #e8f6eb); }
.split-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 5rem; align-items: center; padding-block: 5.5rem; }
.principles-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.principles-grid article { padding: 1.25rem; border: 1px solid rgba(0,108,69,.14); border-radius: var(--radius); background: rgba(255,255,255,.72); }
.principles-grid article > span, .values article > span { display: grid; width: 2.3rem; height: 2.3rem; margin-bottom: .8rem; place-items: center; color: var(--green); border-radius: .7rem; background: var(--mint-soft); font-weight: 800; }
.principles-grid strong { display: block; margin-bottom: .3rem; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.values article { padding: 1.5rem; border-top: 1px solid var(--line); }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-block: 2.5rem 5.5rem; padding: 2.5rem; color: white; border-radius: 1.25rem; background: linear-gradient(120deg, var(--green-deep), var(--green)); }
.cta-band h2 { margin-bottom: .4rem; color: white; font-size: clamp(1.5rem, 3vw, 2.25rem); }
.cta-band p { margin-bottom: 0; color: rgba(255,255,255,.78); }
.subhero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(20rem, .8fr); gap: 4rem; align-items: center; padding-block: 4.5rem 5.5rem; }
.subhero h1 { font-size: clamp(2.7rem, 5vw, 4.5rem); }
.breadcrumb { margin-bottom: 2.5rem; color: var(--muted); font-size: .86rem; }
.breadcrumb a { text-decoration: none; }
.feature-list { display: grid; gap: 1rem; margin-top: 2.2rem; }
.feature-list article { display: grid; grid-template-columns: 2.75rem 1fr; gap: .9rem; }
.feature-list article > span { display: grid; width: 2.6rem; height: 2.6rem; place-items: center; color: var(--green); border-radius: .8rem; background: var(--mint-soft); font-weight: 800; }
.notice, .warning-notice { margin-top: 2rem; padding: 1.2rem; border-radius: .8rem; background: var(--mint-soft); }
.notice p, .warning-notice p { margin: .25rem 0 0; }
.form-page { background: var(--page); }
.form-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(18rem, .65fr); gap: 1.25rem; align-items: start; padding-block: 3.5rem 5rem; }
.form-card, .form-aside, .auth-card, .narrow-page, .portal-card { border: 1px solid var(--line); border-radius: 1.25rem; background: white; box-shadow: 0 .6rem 2rem rgba(0,55,34,.05); }
.form-card { padding: clamp(1.4rem, 4vw, 2.5rem); }
.form-card h1, .auth-card h1, .narrow-page h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); }
.form-aside { position: sticky; top: 6rem; padding: 1.6rem; background: var(--mint-soft); }
.form-aside h2 { font-size: 1.55rem; }
.check-list { display: grid; gap: 1.2rem; margin: 1.5rem 0 0; padding: 0; counter-reset: onboarding; list-style: none; }
.check-list li { display: grid; grid-template-columns: 2rem 1fr; column-gap: .65rem; counter-increment: onboarding; }
.check-list li::before { content: "✓"; display: grid; grid-row: span 2; width: 1.8rem; height: 1.8rem; place-items: center; color: var(--green); border-radius: 50%; background: white; font-weight: 800; }
.check-list span { color: var(--muted); font-size: .9rem; }
form { margin-top: 1.75rem; }
.field { display: grid; gap: .4rem; margin-bottom: 1.05rem; }
.field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.field label { color: var(--ink); font-size: .9rem; font-weight: 750; }
.field input, .field select { width: 100%; min-height: 3rem; padding: .7rem .85rem; color: var(--body); border: 1px solid var(--line); border-radius: .65rem; background: var(--page); }
.field input:focus, .field select:focus { border-color: var(--green); outline: 2px solid rgba(0,108,69,.18); }
.field small { color: var(--muted); }
.errorlist { margin: 0; padding: 0; color: var(--error); font-size: .86rem; list-style: none; }
.form-alert, .success-alert { margin: 1rem 0; padding: .9rem 1rem; border-radius: .65rem; }
.form-alert { color: var(--error); background: var(--error-bg); }
.success-alert { color: var(--green-deep); background: var(--mint-soft); }
.form-footnote { margin: 1.25rem 0 0; color: var(--muted); text-align: center; }
.form-footnote a { color: var(--green); font-weight: 750; }
.auth-card, .narrow-page { width: min(38rem, calc(100% - 2rem)); margin: 4rem auto 6rem; padding: clamp(1.5rem, 5vw, 3rem); }
.code-field input { font-size: 1.6rem; letter-spacing: .35em; text-align: center; }
.narrow-page { text-align: center; }
.narrow-page > p { max-width: 33rem; margin-inline: auto; }
.success-icon, .error-icon { display: grid; width: 3.6rem; height: 3.6rem; margin: 0 auto 1.25rem; place-items: center; border-radius: 1rem; font-size: 1.5rem; font-weight: 800; }
.success-icon { color: var(--green); background: var(--mint-soft); }
.error-icon { color: var(--error); background: var(--error-bg); }
.muted { color: var(--muted); }
.step-label { display: inline-flex; padding: .35rem .65rem; color: var(--green); border-radius: 999px; background: var(--mint-soft); font-size: .8rem; font-weight: 800; }
.credentials { display: grid; gap: .8rem; margin: 1.5rem 0; text-align: left; }
.credentials > div { padding: 1rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--page); }
.credentials dt { color: var(--muted); font-size: .8rem; font-weight: 750; text-transform: uppercase; }
.credentials dd { margin: .25rem 0 0; overflow-wrap: anywhere; color: var(--ink); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1.05rem; font-weight: 700; }
.credential-page .warning-notice { text-align: left; }
.portal { padding-block: 4rem 6rem; }
.portal-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.portal-heading h1 { margin-bottom: .7rem; font-size: clamp(2.5rem, 5vw, 4rem); }
.portal-heading p { max-width: 46rem; margin-bottom: 0; }
.portal-card { padding: 1.5rem; }
.portal-card-heading { display: flex; align-items: center; justify-content: space-between; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.portal-card-heading h2 { margin: 0; font-size: 1.45rem; }
.portal-card-heading span { color: var(--muted); }
.learner-list { margin: 0; padding: 0; list-style: none; }
.learner-list li { display: grid; grid-template-columns: 2.8rem 1fr auto; gap: .85rem; align-items: center; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.avatar { display: grid; width: 2.7rem; height: 2.7rem; place-items: center; color: var(--green); border-radius: .8rem; background: var(--mint-soft); font-weight: 800; }
.learner-list small { display: block; color: var(--muted); }
.status { padding: .3rem .65rem; color: var(--green); border-radius: 999px; background: var(--mint-soft); font-size: .8rem; font-weight: 750; }
.empty-state { padding: 2.5rem 0; text-align: center; }
.logout-form { text-align: right; }
.text-button { padding: .5rem 0; color: var(--green); border: 0; background: transparent; font-weight: 750; }
.site-footer { padding-block: 3.5rem 1.5rem; color: rgba(255,255,255,.82); background: var(--green-deep); }
.brand-footer { color: white; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 2rem; }
.footer-grid > div { display: flex; flex-direction: column; gap: .45rem; }
.footer-grid strong { color: white; }
.footer-grid a { font-size: .9rem; text-decoration: none; }
.footer-grid p { margin-top: .8rem; font-size: .9rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,.18); font-size: .82rem; }

@media (max-width: 900px) {
  .desktop-nav, .header-actions { display: none; }
  .mobile-menu { display: block; }
  .hero, .subhero, .split-section, .form-layout { grid-template-columns: 1fr; }
  .hero { padding-top: 3rem; }
  .hero-visual { min-height: 30rem; }
  .subhero { gap: 1rem; }
  .subhero .product-visual { min-height: 29rem; }
  .trust-row { grid-template-columns: 1fr; }
  .form-aside { position: static; order: -1; }
  .onboarding-layout .form-aside { order: 0; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  h1 { font-size: clamp(2.55rem, 14vw, 4rem); }
  .shell { width: min(100% - 1.25rem, 1180px); }
  .site-header .shell { width: min(100% - 2rem, 1180px); }
  .hero { min-height: auto; padding-block: 2.5rem; }
  .button-row .button { width: 100%; }
  .product-visual, .hero-visual { min-height: 26rem; }
  .phone-frame { width: 14rem; border-radius: 2.1rem; }
  .phone-frame img { border-radius: 1.6rem; }
  .steps, .principles-grid, .values, .field-grid { grid-template-columns: 1fr; }
  .steps article:not(:last-child)::after { content: "↓"; top: auto; right: 50%; bottom: -1.65rem; transform: translateX(50%); }
  .section, .split-section { padding-block: 4rem; }
  .cta-band, .portal-heading { align-items: stretch; flex-direction: column; }
  .cta-band { margin-bottom: 3.5rem; padding: 1.5rem; }
  .subhero { padding-block: 2.5rem 4rem; }
  .form-layout { padding-block: 1.5rem 3rem; }
  .form-card, .form-aside { padding: 1.25rem; }
  .auth-card, .narrow-page { margin-block: 2rem 4rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .learner-list li { grid-template-columns: 2.8rem 1fr; }
  .learner-list .status { grid-column: 2; width: fit-content; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}