*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --zrq-primary: #10233f;
    --zrq-second: #1f4d7a;
    --zrq-accent: #2fb3c9;
    --zrq-ink: #141c26;
    --zrq-muted: #55637a;
    --zrq-line: #d9e2ee;
    --zrq-paper: #fbfcfe;
    --zrq-surface: #eaf0f7;
    --zrq-night: #0b1220;
    --zrq-ui: system-ui, -apple-system, "Segoe UI", sans-serif;
    --zrq-serif: system-ui, -apple-system, "Segoe UI", sans-serif;
    --zrq-r1: 0px;
    --zrq-r2: 0px;
    --zrq-r3: 0px;
    --zrq-sh1: 0 10px 24px rgba(20, 28, 38, .06);
    --zrq-sh2: 0 18px 44px rgba(20, 28, 38, .10);
    --zrq-sh3: 0 28px 64px rgba(20, 28, 38, .14);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--zrq-serif);
    background: #eaf0f7;
    color: var(--zrq-ink);
    line-height: 1.72;
    font-size: 16px;
}

a {
    color: var(--zrq-primary);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover { color: var(--zrq-second); }


      .zrq-mast {
        padding: 18px 20px;
        text-align: center;
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(251, 252, 254, .88);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(16, 35, 63, .12);
      }
      .zrq-mast-sign {
        font-family: var(--zrq-ui);
        font-size: 21px;
        font-weight: 900;
        letter-spacing: .18em;
        color: var(--zrq-primary);
        text-decoration: none;
        text-transform: uppercase;
      }

.zrq-masthead {
    max-width: 1020px;
    margin: 0 auto;
    padding: 54px 20px 34px;
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 26px;
    align-items: end;
}
.zrq-masthead-eyebrow {
    grid-column: 1 / -1;
    font-family: var(--zrq-ui);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--zrq-second);
}
.zrq-masthead-lead {
    font-size: clamp(26px, 4.2vw, 42px);
    line-height: 1.12;
    color: var(--zrq-primary);
}
.zrq-masthead-under {
    color: var(--zrq-muted);
    font-size: 15px;
    border-left: 3px solid var(--zrq-accent);
    padding-left: 16px;
}
.zrq-masthead-upd {
    grid-column: 1 / -1;
    font-family: var(--zrq-ui);
    font-size: 13px;
    color: var(--zrq-muted);
    border-top: 1px solid var(--zrq-line);
    padding-top: 12px;
}
@media (max-width: 720px) {
    .zrq-masthead { grid-template-columns: 1fr; }
}

.zrq-column {
    max-width: 1020px;
    margin: 0 auto;
    padding: 0 20px 80px;
}

.zrq-parchment {
    background: #fff;
    border: 1px solid rgba(16, 35, 63, .10);
    border-radius: var(--zrq-r3);
    box-shadow: var(--zrq-sh2);
    padding: 46px 50px;
}
@media (max-width: 740px) {
    .zrq-parchment { padding: 28px 20px; }
}

h2 {
    font-size: clamp(21px, 3vw, 30px);
    line-height: 1.2;
    color: var(--zrq-primary);
    margin: 30px 0 12px;
    font-family: var(--zrq-serif);
}
h3 {
    font-size: 18px;
    line-height: 1.3;
    color: var(--zrq-ink);
    margin: 22px 0 9px;
    font-family: var(--zrq-ui);
}
p { color: var(--zrq-muted); margin-bottom: 14px; }
ul, ol { padding-left: 20px; margin: 0 0 16px; color: var(--zrq-muted); }
li { margin-bottom: 7px; }
strong { color: var(--zrq-ink); }

.zrq-blocks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
    margin: 24px 0;
}
.zrq-blocks-card {
    background: var(--zrq-surface);
    border: 1px solid rgba(16, 35, 63, .10);
    border-radius: var(--zrq-r2);
    padding: 20px 18px;
}
.zrq-blocks-lead {
    font-family: var(--zrq-ui);
    font-size: 15px;
    font-weight: 800;
    color: var(--zrq-primary);
    margin-bottom: 6px;
}
.zrq-blocks-desc { font-size: 14px; line-height: 1.65; color: var(--zrq-muted); }

.zrq-caution {
    margin: 24px 0;
    padding: 20px 22px;
    border-radius: var(--zrq-r2);
    background: rgba(47, 179, 201, .14);
    border-left: 5px solid var(--zrq-accent);
}
.zrq-caution p { margin: 0; color: var(--zrq-ink); }

.zrq-ledger {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0 24px;
    font-size: 15px;
    border: 2px solid var(--zrq-primary);
}
.zrq-ledger th {
    background: var(--zrq-surface);
    color: var(--zrq-primary);
    text-align: left;
    padding: 12px 14px;
    font-family: var(--zrq-ui);
    font-size: 13px;
    letter-spacing: .06em;
    text-transform: uppercase;
    border-bottom: 2px solid var(--zrq-primary);
}
.zrq-ledger td {
    padding: 12px 14px;
    color: var(--zrq-muted);
    border-bottom: 1px solid var(--zrq-line);
    border-right: 1px solid var(--zrq-line);
}
.zrq-ledger td:last-child { border-right: none; }

.zrq-course { margin: 26px 0; display: grid; gap: 14px; }
.zrq-course-card {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 14px;
    align-items: start;
    padding: 16px 18px;
    background: #fff;
    border: 1px solid rgba(16, 35, 63, .10);
    border-radius: var(--zrq-r2);
}
.zrq-course-no {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: var(--zrq-ui);
    font-size: 17px;
    font-weight: 900;
    color: #fff;
    background: var(--zrq-second);
}
.zrq-course-lead {
    font-family: var(--zrq-ui);
    font-size: 15px;
    font-weight: 800;
    color: var(--zrq-ink);
    margin-bottom: 3px;
}
.zrq-course-line { font-size: 15px; color: var(--zrq-muted); }

.zrq-footer {
    margin-top: 40px;
    background: var(--zrq-surface);
    color: var(--zrq-muted);
    padding: 22px 20px 18px;
    font-family: var(--zrq-ui);
    text-align: center;
    border-top: 1px solid var(--zrq-line);
}
.zrq-footer-shell { max-width: 900px; margin: 0 auto; }
.zrq-footer-paths {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 20px;
    margin-bottom: 10px;
}
.zrq-footer-paths a { color: var(--zrq-muted); font-size: 11px; }
.zrq-footer-paths a:hover { color: var(--zrq-primary); }
.zrq-footer-year { font-size: 11px; opacity: .85; }
.zrq-footer-warning {
    margin: 8px auto 0;
    max-width: 620px;
    font-size: 11px;
    line-height: 1.6;
    opacity: .75;
}

.zrq-halves {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
}
.zrq-panelcard {
    background: #fff;
    border-top: 4px solid var(--zrq-second);
    border-right: 1px solid var(--zrq-line);
    border-bottom: 1px solid var(--zrq-line);
    border-left: 1px solid var(--zrq-line);
    padding: 24px 24px 12px;
}
.zrq-panelcard-name { margin-top: 0; font-size: 20px; }
.zrq-halves-card { grid-column: 1 / -1; }
@media (max-width: 820px) {
    .zrq-halves { grid-template-columns: 1fr; }
}