:root {
  --ink: #102a2b;
  --muted: #526363;
  --paper: #f6f2e9;
  --white: #fffdf8;
  --teal: #0d5958;
  --teal-2: #147875;
  --mint: #d9ebe4;
  --gold: #f1b94e;
  --gold-soft: #fae9bd;
  --red: #a43b32;
  --line: #cbd7d1;
  --shadow: 0 18px 50px rgba(16, 42, 43, 0.12);
  --radius: 22px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
.skip-link { position: absolute; left: -999px; top: 0; z-index: 100; padding: .8rem 1rem; background: var(--gold); color: var(--ink); font-weight: 800; }
.skip-link:focus { left: 1rem; top: 1rem; }
.wrap { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 2rem), 820px); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(246, 242, 233, .94); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(13, 89, 88, .13); }
.nav-shell { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 900; letter-spacing: -.03em; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--teal); color: #fff; font-size: 1.15rem; box-shadow: inset 0 0 0 5px rgba(255,255,255,.13); }
.site-nav { display: flex; align-items: center; gap: .25rem; }
.site-nav a { text-decoration: none; padding: .6rem .75rem; border-radius: 999px; color: #2d4949; font-size: .92rem; font-weight: 700; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: var(--mint); color: var(--teal); }
.nav-contact { background: var(--teal) !important; color: #fff !important; }
.menu-toggle { display: none; border: 0; background: var(--teal); color: #fff; border-radius: 10px; padding: .6rem .8rem; font-weight: 800; }
.notice-strip { background: var(--ink); color: #fff; padding: .6rem 0; font-size: .82rem; text-align: center; }
.notice-strip strong { color: var(--gold); }
.hero { padding: 5.4rem 0 3.8rem; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 4rem; align-items: center; }
.eyebrow { color: var(--teal); text-transform: uppercase; letter-spacing: .16em; font-size: .75rem; font-weight: 900; }
h1, h2, h3 { line-height: 1.08; margin: 0; letter-spacing: -.035em; }
h1 { max-width: 760px; font-size: clamp(3rem, 7vw, 6.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
h3 { font-size: 1.25rem; }
.lede { max-width: 720px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.28rem); margin: 1.4rem 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; border-radius: 999px; padding: .85rem 1.2rem; border: 1px solid var(--teal); text-decoration: none; font-weight: 850; cursor: pointer; }
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 10px 24px rgba(13, 89, 88, .2); }
.btn-secondary { background: transparent; color: var(--teal); }
.btn:hover { transform: translateY(-1px); }
.hero-card { position: relative; background: var(--white); padding: 1.4rem; border-radius: 30px; box-shadow: var(--shadow); border: 1px solid var(--line); transform: rotate(1.2deg); }
.hero-card::before { content: ""; position: absolute; width: 120px; height: 28px; top: -14px; left: 36%; background: rgba(241,185,78,.72); transform: rotate(-4deg); }
.case-file { border: 2px solid var(--ink); border-radius: 18px; overflow: hidden; }
.case-file-head { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem; background: var(--gold-soft); border-bottom: 2px solid var(--ink); font-weight: 900; }
.case-file ol { list-style: none; counter-reset: file; margin: 0; padding: .6rem 1rem 1rem; }
.case-file li { counter-increment: file; display: grid; grid-template-columns: 34px 1fr auto; gap: .7rem; align-items: center; padding: .75rem 0; border-bottom: 1px dashed var(--line); font-weight: 750; }
.case-file li::before { content: counter(file, decimal-leading-zero); color: var(--teal); font-size: .78rem; }
.case-file small { color: var(--muted); font-weight: 650; }
.trust-row { padding: 1.1rem 0; border-block: 1px solid var(--line); background: rgba(255,253,248,.55); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; text-align: center; font-size: .9rem; font-weight: 800; }
.section { padding: 5rem 0; }
.section-alt { background: var(--white); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.section-head p { max-width: 580px; margin: .8rem 0 0; color: var(--muted); }
.path-grid, .lesson-grid, .tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; background: var(--white); box-shadow: 0 6px 22px rgba(16,42,43,.06); }
.card-dark { background: var(--ink); color: #fff; border-color: var(--ink); }
.card-dark p, .card-dark li { color: #cbdad7; }
.card-accent { border-top: 6px solid var(--gold); }
.card p { color: var(--muted); }
.card-kicker { color: var(--teal); font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 900; }
.card-dark .card-kicker { color: var(--gold); }
.plain-list { padding-left: 1.15rem; }
.plain-list li { margin: .45rem 0; }
.text-link { color: var(--teal); font-weight: 850; text-underline-offset: 3px; }
.cycle { display: grid; grid-template-columns: repeat(7, 1fr); gap: .55rem; margin-top: 2.5rem; }
.cycle-step { min-height: 150px; padding: 1rem .85rem; border-radius: 16px; background: var(--white); border: 1px solid var(--line); }
.cycle-step strong { display: block; color: var(--teal); font-size: 1.55rem; }
.cycle-step span { display: block; margin-top: .5rem; font-size: .88rem; font-weight: 800; }
.cycle-step small { display: block; color: var(--muted); margin-top: .35rem; line-height: 1.35; }
.callout { border-left: 6px solid var(--gold); background: var(--gold-soft); padding: 1.2rem 1.3rem; border-radius: 0 16px 16px 0; }
.callout strong { display: block; margin-bottom: .25rem; }
.page-hero { padding: 4rem 0 2.5rem; }
.page-hero h1 { font-size: clamp(2.7rem, 6vw, 5.3rem); }
.breadcrumbs { font-size: .82rem; font-weight: 800; color: var(--muted); margin-bottom: 1rem; }
.breadcrumbs a { color: var(--teal); }
.stat-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; margin-top: 2rem; }
.stat { padding: 1rem; background: var(--white); }
.stat strong { display: block; font-size: 1.1rem; }
.stat span { color: var(--muted); font-size: .82rem; }
.roadmap { display: grid; gap: 1rem; counter-reset: roadmap; }
.roadmap details { counter-increment: roadmap; background: var(--white); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.roadmap summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 1rem; padding: 1.2rem; font-weight: 900; }
.roadmap summary::-webkit-details-marker { display: none; }
.roadmap summary::before { content: counter(roadmap, decimal-leading-zero); color: var(--teal); font-size: 1.2rem; }
.roadmap summary::after { content: "+"; color: var(--teal); font-size: 1.5rem; }
.roadmap details[open] summary::after { content: "–"; }
.roadmap-body { padding: 0 1.2rem 1.3rem 5.25rem; color: var(--muted); }
.roadmap-body ul { padding-left: 1.1rem; }
.roadmap-body li { margin: .5rem 0; }
.tabs { display: flex; gap: .6rem; margin: 1.5rem 0; }
.tab { border: 1px solid var(--teal); background: transparent; color: var(--teal); border-radius: 999px; padding: .65rem 1rem; font-weight: 850; cursor: pointer; }
.tab[aria-selected="true"] { background: var(--teal); color: #fff; }
.tab-pane[hidden] { display: none; }
.checklist { display: grid; gap: .65rem; }
.check-item { display: flex; gap: .75rem; align-items: flex-start; background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: .9rem 1rem; }
.check-item input { margin-top: .3rem; accent-color: var(--teal); width: 18px; height: 18px; }
.check-item:has(input:checked) span { text-decoration: line-through; color: #6d7d7c; }
.progress { height: 9px; background: #dbe4df; border-radius: 99px; overflow: hidden; margin: 1rem 0 .5rem; }
.progress span { display: block; height: 100%; width: 0; background: var(--teal-2); transition: width .2s ease; }
.progress-copy { color: var(--muted); font-size: .84rem; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; }
table { width: 100%; min-width: 760px; border-collapse: collapse; background: var(--white); }
th, td { padding: .9rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--ink); color: #fff; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
td { font-size: .9rem; }
.folder-tree { background: var(--ink); color: #e7f2ef; padding: 1.4rem; border-radius: 18px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; line-height: 1.85; overflow-x: auto; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .4rem; }
.field-full { grid-column: 1 / -1; }
label { font-weight: 800; }
input, select, textarea { width: 100%; border: 1px solid #9dafaa; background: #fff; border-radius: 12px; padding: .8rem .9rem; color: var(--ink); }
textarea { min-height: 160px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(20,120,117,.22); border-color: var(--teal); }
.consent { display: flex; gap: .7rem; align-items: flex-start; padding: 1rem; background: var(--gold-soft); border-radius: 12px; }
.consent input { width: 20px; height: 20px; flex: 0 0 auto; margin-top: .2rem; }
.form-status { margin-top: 1rem; font-weight: 800; color: var(--red); }
.legal-copy h2 { margin-top: 2.4rem; font-size: 1.65rem; }
.legal-copy h3 { margin-top: 1.8rem; }
.legal-copy p, .legal-copy li { color: #425656; }
.source-list { display: grid; gap: .8rem; padding: 0; list-style: none; }
.source-list a { display: block; padding: 1rem; background: var(--white); border: 1px solid var(--line); border-radius: 12px; color: var(--teal); font-weight: 800; }
.cta { padding: 2.3rem; border-radius: 28px; background: var(--teal); color: #fff; display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; }
.cta p { color: #d8e7e3; margin-bottom: 0; }
.cta .btn { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.site-footer { margin-top: 4rem; background: var(--ink); color: #d7e4e1; padding: 3rem 0 1.5rem; }
.support-panel { margin: 0 0 2.25rem; padding: 1.35rem 1.5rem; border: 1px solid #486664; border-radius: 20px; background: #173738; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: center; }
.support-panel strong { display: block; margin-top: .25rem; color: #fff; font-size: 1.08rem; }
.support-panel p { max-width: 760px; margin: .45rem 0 0; color: #c3d4d0; font-size: .86rem; }
.support-eyebrow { color: var(--gold); font-size: .7rem; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.support-action { display: grid; gap: .4rem; justify-items: center; }
.support-action .support-button { min-width: 158px; border-color: var(--gold); background: var(--gold); color: var(--ink); }
.support-action small { color: #9fb4b1; font-size: .68rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.site-footer a { color: #fff; }
.footer-links { display: grid; gap: .4rem; align-content: start; }
.footer-note { border-top: 1px solid #365252; margin-top: 2rem; padding-top: 1rem; color: #9fb4b1; font-size: .8rem; }
.pill { display: inline-flex; padding: .35rem .65rem; border-radius: 999px; background: var(--mint); color: var(--teal); font-size: .75rem; font-weight: 900; }
.warning { background: #fff0ec; border: 1px solid #e5aaa4; color: #6f2822; }
.muted { color: var(--muted); }

/* Case Guide */
.case-chat { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 70; }
.case-chat-trigger { display: inline-flex; align-items: center; gap: .65rem; border: 0; border-radius: 999px; padding: .72rem 1rem .72rem .72rem; background: var(--ink); color: #fff; box-shadow: 0 14px 36px rgba(16,42,43,.28); font-weight: 850; cursor: pointer; }
.case-chat-trigger:hover { transform: translateY(-1px); }
.case-chat-trigger:focus-visible, .case-chat button:focus-visible, .case-chat textarea:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.case-chat-trigger-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--gold); color: var(--ink); font-size: 1.05rem; font-weight: 950; }
.case-chat-panel { position: absolute; right: 0; bottom: 4.55rem; width: min(400px, calc(100vw - 2rem)); height: min(650px, calc(100vh - 8rem)); overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: var(--white); box-shadow: 0 24px 70px rgba(16,42,43,.28); }
.case-chat-panel:not([hidden]) { display: flex; flex-direction: column; }
.case-chat-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 1rem; background: var(--ink); color: #fff; }
.case-chat-header > div { display: grid; grid-template-columns: auto 1fr; column-gap: .55rem; align-items: center; }
.case-chat-header strong { line-height: 1.2; }
.case-chat-header small { grid-column: 2; color: #bcd0cc; }
.case-chat-status { width: 10px; height: 10px; grid-row: 1 / span 2; border-radius: 50%; background: #69d1a9; box-shadow: 0 0 0 4px rgba(105,209,169,.14); }
.case-chat-close { width: 34px; height: 34px; display: grid; place-items: center; border: 0; border-radius: 50%; background: rgba(255,255,255,.12); color: #fff; font-size: 1.4rem; cursor: pointer; }
.case-chat-boundary { padding: .72rem .9rem; border-bottom: 1px solid #e4c77d; background: var(--gold-soft); color: #5d461d; font-size: .74rem; line-height: 1.45; }
.case-chat-messages { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding: 1rem; background: #f7f4ed; }
.case-chat-message { width: fit-content; max-width: 88%; margin-bottom: .8rem; }
.case-chat-message-label { display: block; margin: 0 0 .22rem .25rem; color: var(--muted); font-size: .68rem; font-weight: 850; }
.case-chat-message p { white-space: pre-wrap; margin: 0; padding: .75rem .85rem; border: 1px solid var(--line); border-radius: 6px 16px 16px 16px; background: #fff; color: var(--ink); font-size: .86rem; line-height: 1.48; }
.case-chat-message-user { margin-left: auto; }
.case-chat-message-user .case-chat-message-label { text-align: right; margin-right: .25rem; }
.case-chat-message-user p { border-color: var(--teal); border-radius: 16px 6px 16px 16px; background: var(--teal); color: #fff; }
.case-chat-message-pending p { color: var(--muted); animation: case-chat-pulse 1.15s ease-in-out infinite; }
.case-chat-message-error p { border-color: #e5aaa4; background: #fff0ec; color: #6f2822; }
.case-chat-quick { display: flex; gap: .45rem; overflow-x: auto; padding: .65rem .8rem; border-top: 1px solid var(--line); background: #f7f4ed; scrollbar-width: thin; }
.case-chat-quick button { flex: 0 0 auto; border: 1px solid var(--teal); border-radius: 999px; padding: .48rem .7rem; background: transparent; color: var(--teal); font-size: .72rem; font-weight: 800; cursor: pointer; }
.case-chat-quick button:hover { background: var(--mint); }
.case-chat-form { padding: .75rem .8rem .65rem; border-top: 1px solid var(--line); background: var(--white); }
.case-chat-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.case-chat-compose { display: grid; grid-template-columns: 1fr auto; gap: .5rem; align-items: end; }
.case-chat-compose textarea { min-height: 48px; max-height: 110px; padding: .65rem .7rem; resize: none; font-size: .82rem; line-height: 1.4; }
.case-chat-compose button { min-height: 44px; border: 0; border-radius: 12px; padding: .65rem .75rem; background: var(--teal); color: #fff; font-size: .78rem; font-weight: 850; cursor: pointer; }
.case-chat-compose button:disabled { cursor: wait; opacity: .55; }
.case-chat-footnote { margin: .45rem 0 0; color: var(--muted); font-size: .65rem; line-height: 1.35; }
.case-chat-footnote a { color: var(--teal); font-weight: 800; }
@keyframes case-chat-pulse { 50% { opacity: .55; } }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-card { max-width: 620px; }
  .cycle { grid-template-columns: repeat(2, 1fr); }
  .cycle-step:last-child { grid-column: span 2; }
  .site-nav { display: none; position: absolute; top: 70px; left: 1rem; right: 1rem; background: var(--white); padding: 1rem; border-radius: 16px; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; }
  .site-nav.open { display: flex; }
  .menu-toggle { display: inline-block; }
}
@media (max-width: 720px) {
  .hero { padding-top: 3.6rem; }
  .path-grid, .lesson-grid, .tool-grid, .footer-grid, .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .trust-grid { grid-template-columns: 1fr; text-align: left; }
  .section { padding: 3.7rem 0; }
  .section-head { display: block; }
  .stat-band { grid-template-columns: 1fr; }
  .roadmap-body { padding-left: 1.2rem; }
  .cta { grid-template-columns: 1fr; }
  .support-panel { grid-template-columns: 1fr; }
  .support-action { justify-items: stretch; }
  .support-action .support-button { width: 100%; text-align: center; }
  .case-chat { right: .75rem; bottom: .75rem; }
  .case-chat-open { right: 0; bottom: 0; }
  .case-chat-open .case-chat-trigger { display: none; }
  .case-chat-panel { position: fixed; right: 0; bottom: 0; width: 100%; height: min(76vh, 680px); border-radius: 22px 22px 0 0; }
}
@media print {
  .site-header, .notice-strip, .actions, .cta, .site-footer, .menu-toggle, .case-chat { display: none !important; }
  body { background: #fff; font-size: 11pt; }
  .section { padding: 1.2rem 0; }
  .card, .roadmap details, .check-item { box-shadow: none; break-inside: avoid; }
}
@media (prefers-reduced-motion: reduce) {
  .case-chat-trigger:hover { transform: none; }
  .case-chat-message-pending p { animation: none; }
}