:root {
  --navy: #14243a;
  --navy-2: #1d3352;
  --ink: #1b2430;
  --muted: #566170;
  --paper: #faf8f4;
  --paper-2: #f2eee6;
  --line: #e2ddd2;
  --teal: #2f7c78;
  --teal-dark: #23615e;
  --teal-soft: #e3efed;
  --stop: #9a4a3c;
  --radius: 10px;
  --wrap: 1120px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--font); }
img, svg { max-width: 100%; display: block; }
a { color: var(--teal-dark); text-underline-offset: 3px; }
a:hover { color: var(--navy); }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { color: var(--navy); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5.2vw, 3.6rem); font-weight: 750; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 720; }
h3 { font-size: 1.15rem; font-weight: 680; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } body { font-size: 16px; } }

.skip { position: absolute; left: -9999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 6px; z-index: 10; }
.skip:focus { left: 8px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(250, 248, 244, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; font-size: 1.08rem; color: var(--navy); text-decoration: none; letter-spacing: -0.01em; white-space: nowrap; }
.mark { width: 22px; height: 22px; border-radius: 6px; background: var(--navy); position: relative; flex: none; }
.mark::after { content: ""; position: absolute; left: 5px; top: 6px; width: 10px; height: 5px; border-left: 2.5px solid var(--paper); border-bottom: 2.5px solid var(--paper); transform: rotate(-45deg); }
.nav-links { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; align-items: center; }
.nav-links a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--ink); text-decoration: none; font-size: .95rem; }
.nav-links a:hover { background: var(--paper-2); }
.nav-links .nav-cta { background: var(--navy); color: #fff; }
.nav-links .nav-cta:hover { background: var(--navy-2); color: #fff; }
@media (max-width: 720px) { .nav-links li:not(:last-child) { display: none; } }

/* Shared */
.eyebrow { font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--teal-dark); margin-bottom: .9em; }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--teal-dark); background: var(--teal-soft); padding: 4px 9px; border-radius: 999px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 8px; font: 650 1rem/1 var(--font); text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-dark); color: #fff; }
.btn-ghost { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-ghost:hover { background: var(--navy); color: #fff; }
.section { padding: 96px 0; }
.section-alt { background: var(--paper-2); }
@media (max-width: 600px) { .section { padding: 64px 0; } }

/* Hero */
.hero { padding: 88px 0 96px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 36em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 14px; }
.fine { font-size: .92rem; color: var(--muted); }
.example-card { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px; box-shadow: 0 1px 0 rgba(20, 36, 58, .04), 0 18px 40px -24px rgba(20, 36, 58, .25); }
.msg { margin-top: 14px; border-left: 3px solid var(--teal); padding: 2px 0 2px 16px; font-size: .95rem; }
.msg p { margin-bottom: .7em; }
.msg-meta { display: flex; flex-direction: column; font-size: .8rem; color: var(--muted); border-bottom: 1px dashed var(--line); padding-bottom: 8px; }
.msg-sign { color: var(--muted); margin-bottom: 0 !important; }
.example-note { margin: 16px 0 0; font-size: .86rem; color: var(--muted); }
@media (max-width: 900px) { .hero { padding: 56px 0 64px; } .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

/* Problem band */
.band { background: var(--navy); color: #dfe6ee; padding: 80px 0; }
.band h2 { color: #fff; }
.body-lg { font-size: 1.2rem; margin: 0; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: none; }
.steps li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.step-n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; margin-bottom: 16px; }
.steps p { color: var(--muted); margin: 0; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }

/* Flow diagram */
.flow { margin: 48px 0 0; border: 1px dashed #c9c2b4; border-radius: 14px; padding: 24px; background: var(--paper); }
.flow figcaption { color: var(--muted); font-size: .92rem; margin-bottom: 20px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.flow-track { display: grid; grid-template-columns: 1fr auto 1fr auto 1.25fr; align-items: center; gap: 14px; }
.node { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; }
.node-k { font-weight: 680; color: var(--navy); font-size: .95rem; }
.node-v { font-size: .85rem; color: var(--muted); line-height: 1.4; }
.node-good { border-color: var(--teal); background: var(--teal-soft); }
.node-stop .node-k { color: var(--stop); }
.outcomes { display: grid; gap: 10px; }
.arrow { width: 28px; height: 2px; background: var(--navy); position: relative; }
.arrow::after { content: ""; position: absolute; right: -1px; top: -4px; border: 5px solid transparent; border-left: 7px solid var(--navy); border-right: 0; }
@media (max-width: 820px) {
  .flow-track { grid-template-columns: 1fr; }
  .arrow { width: 2px; height: 22px; justify-self: center; }
  .arrow::after { right: -4px; top: auto; bottom: -1px; border: 5px solid transparent; border-top: 7px solid var(--navy); border-bottom: 0; }
}

/* Who */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 36px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; border-top: 4px solid var(--teal); }
.card p { color: var(--muted); margin: 0; }
.fit { margin: 24px 0 0; color: var(--muted); max-width: 46em; }
.define { margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--line); }
.checks { list-style: none; padding: 0; margin: 16px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 32px; }
.checks li { position: relative; padding-left: 30px; }
.checks li::before { content: ""; position: absolute; left: 2px; top: 5px; width: 14px; height: 7px; border-left: 2.5px solid var(--teal); border-bottom: 2.5px solid var(--teal); transform: rotate(-45deg); }
.define-note { margin: 18px 0 0; font-size: .9rem; color: var(--muted); }
@media (max-width: 700px) { .cards, .checks { grid-template-columns: 1fr; } }

/* About */
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; }
.about-body p { font-size: 1.08rem; }
.stage { margin-top: 28px; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--navy); border-radius: 8px; padding: 18px 20px; }
.stage-k { display: block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--navy); margin-bottom: 6px; }
.stage p { margin: 0; font-size: 1rem; }
@media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; gap: 8px; } }

/* FAQ */
.faq { margin-top: 28px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; font-weight: 650; color: var(--navy); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; font-weight: 400; color: var(--teal-dark); }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); padding-right: 40px; margin: -4px 0 20px; }

/* Contact */
.contact { background: var(--navy); color: #dfe6ee; }
.contact h2 { color: #fff; }
.contact a { color: #9fd3cd; }
.contact a:hover { color: #fff; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.contact-intro p { font-size: 1.08rem; }
.alt-contact { margin-top: 24px; }
.form-warn { font-size: .92rem !important; color: #b8c4d2; }
.form { background: #fff; color: var(--ink); border-radius: 14px; padding: 28px; }
.form a { color: var(--teal-dark); }
.field { margin: 0 0 18px; border: 0; padding: 0; min-width: 0; }
.field label, .field legend { display: block; font-weight: 640; font-size: .95rem; margin-bottom: 6px; color: var(--navy); padding: 0; }
.opt { font-weight: 400; color: var(--muted); }
.hint { font-size: .86rem; color: var(--muted); margin: -2px 0 8px; }
input[type=text], input[type=email], textarea { width: 100%; font: inherit; color: var(--ink); background: #fff; border: 1.5px solid #cfc8bb; border-radius: 8px; padding: 11px 13px; min-height: 46px; }
textarea { resize: vertical; min-height: 120px; }
input:focus, textarea:focus { border-color: var(--teal); outline: 3px solid rgba(47, 124, 120, .25); outline-offset: 0; }
input::placeholder { color: #8a929c; }
[aria-invalid=true] { border-color: var(--stop) !important; }
.radios { display: flex; flex-wrap: wrap; gap: 10px; }
.radios label { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; color: var(--ink); border: 1.5px solid #cfc8bb; border-radius: 8px; padding: 10px 14px; cursor: pointer; margin: 0; }
.radios label:has(input:checked) { border-color: var(--teal); background: var(--teal-soft); }
.radios input { accent-color: var(--teal); width: 18px; height: 18px; margin: 0; }
.err { color: var(--stop); font-size: .88rem; margin: 6px 0 0; }
.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.btn-submit { width: 100%; margin-top: 6px; }
.btn-submit[disabled] { opacity: .7; cursor: progress; }
.privacy-note { font-size: .86rem; color: var(--muted); margin: 12px 0 0; text-align: center; }
.status:empty { display: none; }
.status { margin-top: 16px; padding: 14px 16px; border-radius: 8px; font-size: .95rem; }
.status.ok { background: var(--teal-soft); color: var(--teal-dark); border: 1px solid #b9d8d4; }
.status.bad { background: #f8ebe8; color: #7a3326; border: 1px solid #e6c4bc; }
.status:focus { outline: none; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 32px; } }
@media (max-width: 600px) { .form { padding: 20px; } }

/* Footer */
.site-footer { background: #0f1c2e; color: #a9b5c3; font-size: .9rem; padding: 28px 0; }
.site-footer a { color: #cfd8e2; }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.footer-row p { margin: 0; }
.wordmark-sm { color: #fff; font-weight: 700; }

/* Plain pages (privacy, 404) */
.page { padding: 72px 0 96px; }
.page h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); }
.page h2 { font-size: 1.3rem; margin-top: 2em; }
.page .meta { color: var(--muted); }
.page ul { padding-left: 1.2em; }
.page li { margin-bottom: .4em; }
.notfound { min-height: 60vh; display: grid; align-content: center; }

/* Work-in-progress labelling */
.wip-bar { background: #e9e2d2; color: var(--ink); font-size: .88rem; line-height: 1.4; padding: 9px 0; border-bottom: 1px solid #d9d0bc; }
.wip-bar strong { color: var(--navy); }
.hero-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-bottom: .9em; }
.hero-tags .eyebrow { margin: 0; }
.badge-wip { display: inline-flex; align-items: center; gap: 7px; font-size: .78rem; font-weight: 700; color: #6b4e12; background: #f6ecd2; border: 1px solid #e3d1a2; padding: 4px 10px; border-radius: 999px; }
.badge-wip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #c08a1e; }

/* Email-mode contact card */
.email-card h3 { margin-bottom: .4em; }
.email-card > p { color: var(--muted); }
.email-addr { text-align: center; font-weight: 600; color: var(--navy) !important; margin: 12px 0 0; word-break: break-all; }
.contact a.btn-primary, .contact a.btn-primary:hover { color: #fff; }