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

:root {
    --xnv-primary: #a1521f;
    --xnv-accent: #2a6f7f;
    --xnv-deep: #52290f;
    --xnv-cream: #fdf2ea;
    --xnv-paper: #fffaf5;
    --xnv-ink: #33261d;
    --xnv-soft: #6d5a4d;
    --xnv-line: #ead8c8;
    --xnv-card: #ffffff;
    --xnv-ui: "Trebuchet MS", "Segoe UI", Verdana, sans-serif;
    --xnv-serif: "Palatino Linotype", "Book Antiqua", Palatino, serif;
    --xnv-r1: 8px;
    --xnv-r2: 16px;
    --xnv-r3: 26px;
    --xnv-sh1: 0 8px 20px rgba(82, 41, 15, .07);
    --xnv-sh2: 0 16px 40px rgba(82, 41, 15, .11);
    --xnv-sh3: 0 26px 60px rgba(82, 41, 15, .16);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--xnv-serif);
    background:
        radial-gradient(circle at 12% 8%, rgba(42, 111, 127, .10), transparent 34%),
        linear-gradient(180deg, #fffaf5 0%, #fdf2ea 100%);
    color: var(--xnv-ink);
    line-height: 1.74;
    font-size: 16px;
}

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

.xnv-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 16px 20px;
    background: rgba(255, 250, 245, .90);
    backdrop-filter: blur(14px);
    border-bottom: 2px solid rgba(161, 82, 31, .16);
}
.xnv-topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}
.xnv-logo {
    font-family: var(--xnv-ui);
    font-size: 20px;
    letter-spacing: .24em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--xnv-deep);
}

.xnv-hero {
    max-width: 900px;
    margin: 0 auto;
    padding: 66px 20px 44px;
    text-align: left;
    border-bottom: 1px solid var(--xnv-line);
}
.xnv-hero-badge {
    display: inline-block;
    padding: 6px 14px;
    border: 2px solid var(--xnv-accent);
    border-radius: var(--xnv-r1);
    font-family: var(--xnv-ui);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--xnv-accent);
    margin-bottom: 20px;
}
.xnv-hero-title {
    font-size: clamp(28px, 4.6vw, 46px);
    line-height: 1.14;
    color: var(--xnv-deep);
    margin-bottom: 16px;
}
.xnv-hero-lead {
    max-width: 660px;
    color: var(--xnv-soft);
    font-size: 17px;
}
.xnv-hero-stamp {
    margin-top: 22px;
    display: inline-block;
    padding: 8px 16px;
    background: var(--xnv-card);
    border-left: 4px solid var(--xnv-primary);
    border-radius: 0 var(--xnv-r1) var(--xnv-r1) 0;
    box-shadow: var(--xnv-sh1);
    font-family: var(--xnv-ui);
    font-size: 13px;
    color: var(--xnv-ink);
}

.xnv-shell {
    max-width: 900px;
    margin: 0 auto;
    padding: 34px 20px 76px;
}

.xnv-block {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 8px;
    align-items: start;
    padding: 26px 0 6px;
    border-bottom: 1px dashed var(--xnv-line);
}
.xnv-block:last-child { border-bottom: none; }
.xnv-block-num {
    font-family: var(--xnv-ui);
    font-size: 52px;
    font-weight: 700;
    line-height: 1;
    color: rgba(161, 82, 31, .26);
    letter-spacing: -.03em;
}
.xnv-block-body { padding-top: 4px; }
.xnv-block-title {
    font-size: clamp(20px, 2.8vw, 27px);
    line-height: 1.2;
    color: var(--xnv-deep);
    margin-bottom: 12px;
}
.xnv-sub-title {
    font-family: var(--xnv-ui);
    font-size: 17px;
    line-height: 1.32;
    color: var(--xnv-accent);
    margin: 20px 0 8px;
}
.xnv-block-body p {
    color: var(--xnv-soft);
    margin-bottom: 14px;
}
.xnv-block-body strong { color: var(--xnv-ink); }

.xnv-list {
    list-style: none;
    margin: 0 0 16px;
    color: var(--xnv-soft);
}
.xnv-list li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 8px;
}
.xnv-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 10px;
    height: 2px;
    background: var(--xnv-primary);
}

@media (max-width: 700px) {
    .xnv-block { grid-template-columns: 1fr; gap: 0; }
    .xnv-block-num { font-size: 38px; margin-bottom: 4px; }
    .xnv-hero { padding-top: 48px; }
}

.xnv-callout {
    margin: 20px 0 18px;
    padding: 18px 20px;
    background: var(--xnv-card);
    border: 1px solid var(--xnv-line);
    border-left: 5px solid var(--xnv-accent);
    border-radius: 0 var(--xnv-r1) var(--xnv-r1) 0;
    box-shadow: var(--xnv-sh1);
}
.xnv-callout p { margin: 0; color: var(--xnv-ink); }

.xnv-table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0 22px;
    background: var(--xnv-card);
    border: 1px solid var(--xnv-line);
    font-family: var(--xnv-ui);
    font-size: 14px;
}
.xnv-table th {
    background: var(--xnv-deep);
    color: #f6e6da;
    text-align: left;
    padding: 12px 14px;
    font-weight: 700;
    letter-spacing: .04em;
}
.xnv-table td {
    padding: 12px 14px;
    border-top: 1px solid var(--xnv-line);
    color: var(--xnv-soft);
    vertical-align: top;
}
.xnv-table tr:nth-child(even) td { background: rgba(253, 242, 234, .7); }

.xnv-steps {
    margin: 20px 0 22px;
    counter-reset: xnvstep;
}
.xnv-step {
    position: relative;
    padding: 0 0 22px 40px;
    border-left: 2px solid var(--xnv-line);
    margin-left: 12px;
}
.xnv-step:last-child { border-left-color: transparent; padding-bottom: 4px; }
.xnv-step::before {
    counter-increment: xnvstep;
    content: counter(xnvstep);
    position: absolute;
    left: -14px;
    top: -2px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--xnv-accent);
    color: #fff8f1;
    font-family: var(--xnv-ui);
    font-size: 13px;
    font-weight: 700;
    display: grid;
    place-items: center;
}
.xnv-step-name {
    font-family: var(--xnv-ui);
    font-size: 15px;
    font-weight: 700;
    color: var(--xnv-deep);
    margin-bottom: 4px;
}
.xnv-step-text {
    font-size: 15px;
    color: var(--xnv-soft);
}

.xnv-footer {
    background: var(--xnv-deep);
    color: #dcc4b2;
    padding: 26px 20px 22px;
    font-family: var(--xnv-ui);
    text-align: center;
}
.xnv-footer-inner {
    max-width: 900px;
    margin: 0 auto;
}
.xnv-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 22px;
    margin-bottom: 12px;
}
.xnv-footer-links a {
    color: #e6cdba;
    font-size: 12px;
    text-decoration: none;
    border-bottom: 1px solid rgba(230, 205, 186, .32);
}
.xnv-footer-links a:hover { color: #fff8f1; }
.xnv-footer-copy {
    font-size: 12px;
    color: #c9ac97;
}
.xnv-footer-note {
    margin-top: 8px;
    font-size: 11px;
    line-height: 1.6;
    color: #a98c78;
}