:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --gold: #c9a227;
  --gold-soft: #f6efd6;
  --ink: #1b2430;
  --muted: #5b6676;
  --line: #d9dee5;
  --bg: #f4f6f9;
  --card: #ffffff;
  --green: #1d7a46;
  --green-soft: #e3f3e9;
  --red: #b42318;
  --red-soft: #fdecea;
  --amber: #a15c07;
  --amber-soft: #fff4e0;
  --radius: 6px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: Inter, system-ui, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 16px; }
h1, h2, h3 { font-family: "Source Serif 4", Georgia, serif; color: var(--navy); line-height: 1.25; }
a { color: var(--navy-2); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* header */
.utility { background: #071a33; color: #c8d1dd; font-size: 13px; }
.utility .wrap { display: flex; justify-content: space-between; padding-top: 6px; padding-bottom: 6px; }
.utility a { color: #fff; text-decoration: none; }
.masthead { background: var(--navy); border-bottom: 4px solid var(--gold); }
.mast-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; }
.seal { width: 52px; height: 52px; flex: none; }
.brand-text strong { display: block; font-family: "Source Serif 4", serif; font-size: 24px; letter-spacing: 2px; }
.brand-text small { color: #c8d1dd; font-size: 12px; letter-spacing: .3px; }
.mainnav { display: flex; gap: 2px; }
.mainnav a { color: #e6ebf2; text-decoration: none; padding: 8px 10px; border-radius: 4px; font-weight: 500; font-size: 15px; }
.mainnav a:hover, .mainnav a.active { background: var(--navy-2); color: #fff; box-shadow: inset 0 -2px 0 var(--gold); }
.navtoggle { display: none; background: none; border: 1px solid #3b5272; color: #fff; font-size: 20px; padding: 4px 10px; border-radius: 4px; }

/* hero */
.hero { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; padding: 56px 0 64px; }
.hero h1 { color: #fff; font-size: 42px; margin: 8px 0 16px; max-width: 760px; }
.hero p.lead { font-size: 19px; color: #dbe3ee; max-width: 680px; }
.eyebrow { text-transform: uppercase; letter-spacing: 2px; font-size: 12px; font-weight: 700; color: var(--gold); }
.hero-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.trustbar { background: #fff; border-bottom: 1px solid var(--line); }
.trustbar .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding-top: 20px; padding-bottom: 20px; }
.trust-item strong { display: block; color: var(--navy); font-size: 22px; font-family: "Source Serif 4", serif; }
.trust-item span { color: var(--muted); font-size: 14px; }

/* buttons */
.btn { display: inline-block; padding: 12px 22px; border-radius: 4px; font-weight: 600; text-decoration: none; border: 2px solid transparent; cursor: pointer; font-size: 15px; font-family: inherit; }
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: #d8b240; }
.btn-ghost { border-color: #fff; color: #fff; background: transparent; }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-2); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: #fff; }
.btn:disabled, .btn.disabled { opacity: .45; cursor: not-allowed; pointer-events: none; }

/* sections */
section.block { padding: 48px 0; }
.section-title { font-size: 30px; margin: 0 0 8px; }
.section-sub { color: var(--muted); margin: 0 0 28px; max-width: 720px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card h3 { margin-top: 0; }
.steps-row { counter-reset: s; }
.steps-row .card { position: relative; padding-top: 40px; }
.steps-row .card::before { counter-increment: s; content: counter(s); position: absolute; top: -16px; left: 24px; width: 34px; height: 34px; border-radius: 50%; background: var(--navy); color: var(--gold); display: grid; place-items: center; font-weight: 700; border: 2px solid var(--gold); }

/* breadcrumbs & page header */
.pagehead { background: #fff; border-bottom: 1px solid var(--line); padding: 20px 0 24px; }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.crumbs a { color: var(--muted); }
.pagehead h1 { margin: 4px 0 6px; font-size: 32px; }

/* module list */
.modlist { display: grid; gap: 14px; }
.modrow { display: grid; grid-template-columns: 110px 1fr auto; gap: 20px; align-items: center; background: #fff; border: 1px solid var(--line); border-left: 5px solid var(--navy); border-radius: var(--radius); padding: 18px 20px; }
.modrow.done { border-left-color: var(--green); }
.modrow .code { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.modrow h3 { margin: 0 0 4px; font-size: 20px; }
.modrow p { margin: 0; color: var(--muted); font-size: 14px; }
.status { font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 99px; white-space: nowrap; }
.status.done { background: var(--green-soft); color: var(--green); }
.status.progress { background: var(--amber-soft); color: var(--amber); }
.status.new { background: #eef1f5; color: var(--muted); }

.progressbar { height: 10px; background: #e3e8ef; border-radius: 99px; overflow: hidden; }
.progressbar > div { height: 100%; background: linear-gradient(90deg, var(--navy-2), var(--gold)); }

/* lesson layout */
.lesson-layout { display: grid; grid-template-columns: 280px 1fr; gap: 28px; padding: 28px 0 48px; align-items: start; }
.sidebar { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; position: sticky; top: 16px; }
.sidebar h4 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
.sidebar a { display: flex; gap: 8px; padding: 8px 10px; border-radius: 4px; text-decoration: none; color: var(--ink); font-size: 14px; }
.sidebar a:hover { background: #f0f3f7; }
.sidebar a.active { background: var(--gold-soft); font-weight: 600; }
.sidebar .tick { width: 18px; color: var(--green); flex: none; }
.content { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 36px; min-width: 0; }
.content h2 { margin-top: 0; font-size: 28px; }
.content h3 { margin-top: 28px; }
.objectives { background: #f7f9fc; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; }
.objectives ul { margin: 6px 0 0; }

table.t { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; display: block; overflow-x: auto; }
table.t th, table.t td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
table.t th { background: var(--navy); color: #fff; font-weight: 600; }
table.t tr:nth-child(even) td { background: #f9fafc; }

.callout { background: #eef3fa; border-left: 4px solid var(--navy-2); padding: 14px 18px; margin: 18px 0; border-radius: 0 var(--radius) var(--radius) 0; }
.callout.gold { background: var(--gold-soft); border-left-color: var(--gold); }
.script, .template { background: #fbfaf5; border: 1px dashed #cbbf8f; padding: 14px 18px; border-radius: var(--radius); margin: 16px 0; font-size: 15px; }
.case { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin: 18px 0; background: #fff; }
.case-label { display: inline-block; background: var(--navy); color: var(--gold); font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 3px 8px; border-radius: 3px; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 13px; font-weight: 600; }
.pill.green { background: var(--green-soft); color: var(--green); }
.pill.amber { background: var(--amber-soft); color: var(--amber); }
.pill.red { background: var(--red-soft); color: var(--red); }
ul.nolist { list-style: none; padding-left: 0; }
kbd { background: #eef1f5; border: 1px solid var(--line); border-radius: 3px; padding: 1px 5px; font-size: 13px; }
code { background: #eef1f5; padding: 1px 5px; border-radius: 3px; font-size: 14px; }
.lesson-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); flex-wrap: wrap; }

/* quiz */
.q { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; }
.q .qn { font-size: 12px; font-weight: 700; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; }
.q p.qt { font-weight: 600; margin: 4px 0 12px; }
.opt { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--line); border-radius: 4px; margin-bottom: 8px; cursor: pointer; background: #fff; }
.opt:hover { background: #f5f7fa; }
.opt input { margin-top: 5px; }
.opt.correct { border-color: var(--green); background: var(--green-soft); }
.opt.wrong { border-color: var(--red); background: var(--red-soft); }
.why { font-size: 14px; color: var(--muted); margin-top: 8px; }
.result { padding: 18px 20px; border-radius: var(--radius); margin: 20px 0; font-weight: 600; }
.result.pass { background: var(--green-soft); color: var(--green); border: 1px solid #b6dfc5; }
.result.fail { background: var(--red-soft); color: var(--red); border: 1px solid #f3c2bd; }
.notice { background: var(--amber-soft); border: 1px solid #f0d3a3; color: #6b4200; padding: 14px 18px; border-radius: var(--radius); margin-bottom: 20px; font-size: 15px; }

/* certificate */
.cert-wrap { padding: 32px 0 56px; }
.certificate { background: #fffdf7; border: 10px double var(--navy); outline: 2px solid var(--gold); outline-offset: -22px; padding: 56px 48px; text-align: center; max-width: 900px; margin: 0 auto; position: relative; }
.certificate .seal { width: 96px; height: 96px; margin: 0 auto 8px; display: block; }
.certificate .ctitle { font-family: "Source Serif 4", serif; color: var(--navy); font-size: 34px; margin: 6px 0; }
.certificate .cname { font-family: "Source Serif 4", serif; font-size: 40px; color: var(--ink); border-bottom: 2px solid var(--gold); display: inline-block; padding: 0 24px 6px; margin: 16px 0; }
.certificate .meta { display: flex; justify-content: space-around; margin-top: 32px; font-size: 14px; color: var(--muted); flex-wrap: wrap; gap: 16px; }
.certificate .meta strong { display: block; color: var(--ink); font-size: 15px; }
.formrow { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }
.formrow input { flex: 1; min-width: 220px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 4px; font-size: 16px; font-family: inherit; }

/* performance tasks */
.inbox-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.inbox-body { background: #f7f9fc; border: 1px solid var(--line); border-radius: 4px; padding: 12px 14px; margin: 8px 0 12px; font-size: 15px; }
.choice { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.brief { background: var(--gold-soft); border: 1px solid #e6d79f; border-radius: var(--radius); padding: 16px 18px; margin: 16px 0; }
pre.log { white-space: pre-wrap; font-size: 13px; margin: 0; font-family: ui-monospace, Menlo, monospace; }
.rubric { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; margin: 16px 0; background: #fff; }
.rubric summary { cursor: pointer; font-weight: 600; color: var(--navy); }
.authform textarea { padding: 12px 14px; border: 1px solid var(--line); border-radius: 4px; font-size: 15px; font-family: inherit; font-weight: 400; resize: vertical; line-height: 1.5; }
.authform textarea:focus { outline: 2px solid var(--gold); border-color: var(--navy); }
.feedback { border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 18px 12px; margin-bottom: 16px; }
.feedback li { margin: 8px 0; }
@media (max-width: 860px) { .choice { grid-template-columns: 1fr; } }

.contact-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; align-items: start; }
.authform select { padding: 12px 14px; border: 1px solid var(--line); border-radius: 4px; font-size: 16px; font-family: inherit; font-weight: 400; background: #fff; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* auth */
.authform { display: grid; gap: 16px; }
.authform label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }
.authform input { padding: 12px 14px; border: 1px solid var(--line); border-radius: 4px; font-size: 16px; font-family: inherit; font-weight: 400; }
.authform input:focus, .formrow input:focus { outline: 2px solid var(--gold); border-color: var(--navy); }
.authform small { color: var(--muted); font-weight: 400; }
.utility a { margin-left: 2px; }

/* footer */
.footer { background: #071a33; color: #b9c4d2; padding: 36px 0 20px; font-size: 14px; margin-top: 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
.footer strong { color: #fff; display: block; margin-bottom: 8px; }
.footer a { display: block; color: #b9c4d2; text-decoration: none; margin-bottom: 4px; }
.footer-legal { border-top: 1px solid #1e3352; margin-top: 24px; padding-top: 16px; font-size: 12px; color: #8796aa; }

@media (max-width: 860px) {
  .mainnav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--navy); flex-direction: column; padding: 8px 16px 16px; z-index: 10; }
  .mainnav.open { display: flex; }
  .masthead { position: relative; }
  .navtoggle { display: block; }
  .hero h1 { font-size: 30px; }
  .trustbar .wrap { grid-template-columns: repeat(2, 1fr); }
  .grid3, .footer-grid { grid-template-columns: 1fr; }
  .lesson-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .content { padding: 22px 18px; }
  .modrow { grid-template-columns: 1fr; gap: 8px; }
  .certificate { padding: 36px 18px; }
  .certificate .cname { font-size: 28px; }
  .brand-text strong { font-size: 20px; }
  .brand-text small { display: block; font-size: 10.5px; line-height: 1.3; max-width: 190px; }
  .seal { width: 44px; height: 44px; }
  .utility .wrap > span:first-child { display: none; }
  .utility .wrap { justify-content: flex-end; }
}
@media print {
  .utility, .masthead, .footer, .no-print { display: none !important; }
  body { background: #fff; }
  .certificate { border-width: 8px; }
}