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

:root {
    --xnr-primary: #8a6d1f;
    --xnr-accent: #2f7fa8;
    --xnr-deep: #47370f;
    --xnr-cream: #fbf6e6;
    --xnr-paper: #fffdf5;
    --xnr-ink: #2a2415;
    --xnr-mute: #6b6350;
    --xnr-edge: #e6dcbf;
    --xnr-card: #ffffff;
    --xnr-ui: system-ui, "Helvetica Neue", Arial, sans-serif;
    --xnr-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
    --xnr-r1: 10px;
    --xnr-r2: 16px;
    --xnr-r3: 26px;
    --xnr-sh1: 0 8px 20px rgba(71, 55, 15, .07);
    --xnr-sh2: 0 16px 40px rgba(71, 55, 15, .11);
    --xnr-sh3: 0 26px 60px rgba(71, 55, 15, .16);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--xnr-serif);
    background:
        radial-gradient(circle at 12% 4%, rgba(47, 127, 168, .1), transparent 34%),
        linear-gradient(180deg, #fffdf5 0%, #fbf6e6 100%);
    color: var(--xnr-ink);
    line-height: 1.72;
    font-size: 16px;
}

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

/* ---------- шапка ---------- */
.xnr-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 16px 20px;
    background: rgba(255, 253, 245, .9);
    backdrop-filter: blur(14px);
    border-bottom: 2px solid rgba(138, 109, 31, .18);
}
.xnr-topbar-inner {
    max-width: 1160px;
    margin: 0 auto;
    text-align: center;
}
.xnr-topbar-logo {
    font-family: var(--xnr-ui);
    font-size: 20px;
    letter-spacing: .24em;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--xnr-deep);
}

/* ---------- hero ---------- */
.xnr-hero {
    padding: 62px 20px 30px;
    max-width: 1060px;
    margin: 0 auto;
    text-align: left;
}
.xnr-hero-tag {
    display: inline-block;
    padding: 6px 15px;
    border-radius: 6px;
    background: var(--xnr-deep);
    color: #f2e8c8;
    font-family: var(--xnr-ui);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .2em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.xnr-hero-title {
    max-width: 760px;
    font-size: clamp(28px, 4.4vw, 46px);
    line-height: 1.2;
    color: var(--xnr-primary);
    margin-bottom: 12px;
}
.xnr-hero-lead {
    max-width: 640px;
    color: var(--xnr-mute);
    font-size: 17px;
}
.xnr-hero-stamp {
    display: inline-block;
    margin-top: 18px;
    padding: 8px 16px;
    border-left: 4px solid var(--xnr-accent);
    background: rgba(47, 127, 168, .08);
    font-family: var(--xnr-ui);
    font-size: 13px;
    color: var(--xnr-deep);
}

/* ---------- каркас ---------- */
.xnr-shell {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 20px 80px;
}

.xnr-part {
    font-family: var(--xnr-ui);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--xnr-accent);
    margin: 44px 0 16px;
    padding-bottom: 8px;
    border-bottom: 2px dashed rgba(138, 109, 31, .28);
}
.xnr-part:first-child { margin-top: 0; }

/* ---------- плитки ---------- */
.xnr-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
}
.xnr-tile {
    background: var(--xnr-card);
    border: 1px solid var(--xnr-edge);
    border-top: 4px solid var(--xnr-primary);
    border-radius: var(--xnr-r2);
    padding: 24px 22px 22px;
    box-shadow: var(--xnr-sh1);
}
.xnr-tile-wide { grid-column: 1 / -1; }
.xnr-tile-blue { border-top-color: var(--xnr-accent); }
.xnr-tile-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: rgba(138, 109, 31, .12);
    color: var(--xnr-primary);
    font-family: var(--xnr-ui);
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 12px;
}
.xnr-tile-head {
    font-family: var(--xnr-ui);
    font-size: 16px;
    font-weight: 800;
    line-height: 1.35;
    color: var(--xnr-deep);
    margin-bottom: 8px;
}
.xnr-tile-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--xnr-mute);
    margin-bottom: 10px;
}
.xnr-tile-text:last-child { margin-bottom: 0; }
.xnr-tile-list {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 15px;
    color: var(--xnr-mute);
}
.xnr-tile-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 7px;
}
.xnr-tile-list li:last-child { margin-bottom: 0; }
.xnr-tile-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .72em;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--xnr-accent);
}
.xnr-tile strong { color: var(--xnr-ink); }

/* ---------- пари «ключ — значення» ---------- */
.xnr-facts {
    display: grid;
    gap: 1px;
    background: var(--xnr-edge);
    border: 1px solid var(--xnr-edge);
    border-radius: var(--xnr-r1);
    overflow: hidden;
    margin-top: 6px;
}
.xnr-facts-row {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 1px;
    background: var(--xnr-edge);
}
.xnr-facts-k,
.xnr-facts-v {
    background: var(--xnr-paper);
    padding: 12px 14px;
    font-family: var(--xnr-ui);
    font-size: 14px;
    line-height: 1.55;
}
.xnr-facts-k { color: var(--xnr-deep); font-weight: 700; }
.xnr-facts-v { color: var(--xnr-mute); }
@media (max-width: 560px) {
    .xnr-facts-row { grid-template-columns: 1fr; }
    .xnr-facts-k { padding-bottom: 4px; }
}

/* ---------- timeline / кроки ---------- */
.xnr-track {
    position: relative;
    margin: 0;
    padding-left: 34px;
}
.xnr-track::before {
    content: "";
    position: absolute;
    left: 11px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--xnr-accent), rgba(138, 109, 31, .35));
}
.xnr-track-step {
    position: relative;
    padding: 0 0 26px 0;
}
.xnr-track-step:last-child { padding-bottom: 0; }
.xnr-track-dot {
    position: absolute;
    left: -34px;
    top: 2px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--xnr-paper);
    border: 3px solid var(--xnr-accent);
    display: grid;
    place-items: center;
    font-family: var(--xnr-ui);
    font-size: 11px;
    font-weight: 800;
    color: var(--xnr-deep);
}
.xnr-track-head {
    font-family: var(--xnr-ui);
    font-size: 15px;
    font-weight: 800;
    color: var(--xnr-deep);
    margin-bottom: 4px;
}
.xnr-track-text {
    font-size: 15px;
    color: var(--xnr-mute);
}

/* ---------- виноска ---------- */
.xnr-callout {
    margin: 22px 0 0;
    padding: 20px 22px;
    border-radius: var(--xnr-r1);
    background: rgba(47, 127, 168, .08);
    border: 1px solid rgba(47, 127, 168, .26);
    border-left: 5px solid var(--xnr-accent);
    font-size: 15px;
    line-height: 1.7;
    color: var(--xnr-ink);
}
.xnr-callout strong { color: var(--xnr-deep); }

.xnr-warn {
    margin: 22px 0 0;
    padding: 20px 22px;
    border-radius: var(--xnr-r1);
    background: rgba(138, 109, 31, .1);
    border: 1px solid rgba(138, 109, 31, .3);
    border-left: 5px solid var(--xnr-primary);
    font-size: 15px;
    line-height: 1.7;
    color: var(--xnr-ink);
}

/* ---------- підвал ---------- */
.xnr-basement {
    margin-top: 40px;
    background: var(--xnr-deep);
    color: #cfc4a4;
    padding: 26px 20px 20px;
    font-family: var(--xnr-ui);
    text-align: center;
    border-top: 4px solid var(--xnr-accent);
}
.xnr-basement-inner {
    max-width: 900px;
    margin: 0 auto;
}
.xnr-basement-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 22px;
    margin-bottom: 12px;
}
.xnr-basement-links a {
    color: #e3d7b4;
    font-size: 12px;
    text-decoration: none;
    border-bottom: 1px dotted rgba(227, 215, 180, .4);
}
.xnr-basement-links a:hover { color: #fffdf5; }
.xnr-basement-copy {
    font-size: 12px;
    color: #cfc4a4;
}

@media (max-width: 740px) {
    .xnr-hero { padding-top: 44px; }
    .xnr-tile { padding: 20px 18px; }
}