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

:root {
    --znl-primary: #5b3fa8;
    --znl-second: #7a55c9;
    --znl-accent: #f6c445;
    --znl-ink: #2e1f57;
    --znl-muted: #5f5478;
    --znl-line: #ddd3ee;
    --znl-paper: #ffffff;
    --znl-surface: #f2eefb;
    --znl-night: #241a44;
    --znl-ui: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    --znl-head: "Trebuchet MS", Candara, "Segoe UI", Verdana, sans-serif;
    --znl-r1: 10px;
    --znl-r2: 16px;
    --znl-r3: 26px;
    --znl-sh1: 0 8px 20px rgba(46, 31, 87, .07);
    --znl-sh2: 0 16px 40px rgba(46, 31, 87, .12);
    --znl-sh3: 0 26px 60px rgba(46, 31, 87, .18);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--znl-head);
    background:
        radial-gradient(circle at 12% 4%, rgba(246, 196, 69, .2), transparent 34%),
        linear-gradient(180deg, #ffffff 0%, #f2eefb 100%);
    color: var(--znl-ink);
    line-height: 1.7;
    font-size: 16px;
}

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

.znl-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 16px 20px;
    background: rgba(255, 255, 255, .9);
    backdrop-filter: blur(14px);
    border-bottom: 2px solid rgba(91, 63, 168, .16);
}
.znl-topbar-inner {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}
.znl-topbar-logo {
    font-family: var(--znl-ui);
    font-size: 20px;
    letter-spacing: .06em;
    font-weight: 800;
    color: var(--znl-primary);
}
.znl-topbar-logo::first-letter { color: var(--znl-ink); }

.znl-doc-head {
    max-width: 1000px;
    margin: 0 auto;
    padding: 62px 20px 34px;
    text-align: left;
}
.znl-doc-badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 6px;
    background: var(--znl-accent);
    font-family: var(--znl-ui);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--znl-ink);
    margin-bottom: 16px;
}
.znl-doc-title {
    max-width: 780px;
    font-size: clamp(28px, 4.4vw, 48px);
    line-height: 1.12;
    color: var(--znl-ink);
    margin-bottom: 12px;
}
.znl-doc-lead {
    max-width: 660px;
    color: var(--znl-muted);
    font-size: 17px;
    line-height: 1.75;
}

.znl-doc-wrap {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px 80px;
}
.znl-doc-body {
    background: var(--znl-paper);
    border: 1px solid var(--znl-line);
    border-radius: var(--znl-r3);
    box-shadow: var(--znl-sh2);
    padding: 46px 50px;
}
@media (max-width: 740px) {
    .znl-doc-body { padding: 28px 20px; border-radius: 18px; }
    .znl-doc-head { padding-top: 44px; }
}

.znl-doc-body h2 {
    font-size: clamp(21px, 2.8vw, 29px);
    line-height: 1.2;
    color: var(--znl-ink);
    margin: 32px 0 12px;
}
.znl-doc-body h2:first-child { margin-top: 0; }
.znl-doc-body h3 {
    font-family: var(--znl-ui);
    font-size: 17px;
    line-height: 1.3;
    color: var(--znl-primary);
    margin: 22px 0 8px;
}
.znl-doc-body p {
    color: var(--znl-muted);
    margin-bottom: 14px;
}
.znl-doc-body ul,
.znl-doc-body ol {
    padding-left: 22px;
    margin: 0 0 16px;
    color: var(--znl-muted);
}
.znl-doc-body li { margin-bottom: 7px; }
.znl-doc-body strong { color: var(--znl-ink); }

.znl-stamp {
    display: block;
    margin-bottom: 26px;
    padding: 12px 16px;
    border-left: 5px solid var(--znl-accent);
    background: var(--znl-surface);
    border-radius: 0 var(--znl-r1) var(--znl-r1) 0;
    font-family: var(--znl-ui);
    font-size: 14px;
    color: var(--znl-ink);
}

.znl-track {
    position: relative;
    margin: 26px 0 30px;
    padding-left: 8px;
}
.znl-track::before {
    content: "";
    position: absolute;
    left: 25px;
    top: 14px;
    bottom: 14px;
    width: 2px;
    background: linear-gradient(180deg, var(--znl-primary), rgba(91, 63, 168, .12));
}
.znl-track-item {
    position: relative;
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 18px;
    align-items: start;
    margin-bottom: 22px;
}
.znl-track-item:last-child { margin-bottom: 0; }
.znl-track-num {
    position: relative;
    z-index: 1;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: var(--znl-ui);
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    background: var(--znl-primary);
    box-shadow: 0 0 0 5px var(--znl-paper);
}
.znl-track-name {
    font-family: var(--znl-ui);
    font-size: 16px;
    font-weight: 800;
    color: var(--znl-ink);
    margin-bottom: 5px;
}
.znl-track-body {
    font-size: 15px;
    color: var(--znl-muted);
}
.znl-track-body ul {
    margin: 8px 0 0;
    padding-left: 20px;
}
@media (max-width: 560px) {
    .znl-track::before { left: 21px; }
    .znl-track-item { grid-template-columns: 34px 1fr; gap: 12px; }
    .znl-track-num { width: 30px; height: 30px; font-size: 13px; }
}

.znl-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
    gap: 16px;
    margin: 24px 0 28px;
}
.znl-tile {
    background: var(--znl-surface);
    border: 1px solid var(--znl-line);
    border-top: 4px solid var(--znl-primary);
    border-radius: var(--znl-r1);
    padding: 20px 18px;
    box-shadow: var(--znl-sh1);
}
.znl-tile-cap {
    font-family: var(--znl-ui);
    font-size: 14px;
    font-weight: 800;
    color: var(--znl-ink);
    margin-bottom: 6px;
}
.znl-tile-text {
    font-size: 14px;
    line-height: 1.65;
    color: var(--znl-muted);
}
.znl-tile-amber { border-top-color: var(--znl-accent); }

.znl-callout {
    margin: 24px 0;
    padding: 18px 22px;
    border-radius: var(--znl-r1);
    background: rgba(246, 196, 69, .16);
    border: 1px dashed rgba(91, 63, 168, .36);
}
.znl-callout p { margin: 0; color: var(--znl-ink); font-size: 15px; }

.znl-pair {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
    margin: 22px 0 26px;
}
.znl-pair-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 16px 18px;
    border-radius: var(--znl-r1);
    background: var(--znl-paper);
    border: 1px solid var(--znl-line);
    box-shadow: var(--znl-sh1);
}
.znl-pair-key {
    font-family: var(--znl-ui);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--znl-second);
}
.znl-pair-val {
    font-size: 15px;
    color: var(--znl-ink);
    line-height: 1.55;
}

.znl-foot {
    margin-top: 40px;
    background: var(--znl-night);
    color: #a394cc;
    padding: 26px 20px 22px;
    font-family: var(--znl-ui);
    text-align: center;
    border-top: 4px solid var(--znl-primary);
}
.znl-foot-inner {
    max-width: 900px;
    margin: 0 auto;
}
.znl-foot-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 22px;
    margin-bottom: 12px;
}
.znl-foot-links a {
    color: #c3b4e6;
    font-size: 12px;
    text-decoration: none;
}
.znl-foot-links a:hover { color: var(--znl-accent); }
.znl-foot-copy {
    font-size: 12px;
    color: #a394cc;
}