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

:root {
    --v-brick: #b4532e;
    --v-clay: #d97a4e;
    --v-olive: #5f6b3a;
    --v-olive-deep: #47512a;
    --v-olive-soft: #7d8b4c;
    --v-sand: #fbf6f0;
    --v-sand-deep: #f2e7db;
    --v-ink: #2f2119;
    --v-ink-soft: #6f5a4b;
    --v-line: #e4d5c5;
    --v-sheet: #ffffff;
    --v-font-body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --v-font-title: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
    --v-r-s: 10px;
    --v-r-m: 18px;
    --v-r-l: 26px;
    --v-sh-s: 0 6px 16px rgba(47, 33, 25, .07);
    --v-sh-m: 0 14px 34px rgba(47, 33, 25, .11);
    --v-sh-l: 0 24px 56px rgba(47, 33, 25, .16);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--v-font-body);
    background:
        radial-gradient(circle at 88% -6%, rgba(217, 122, 78, .16), transparent 42%),
        linear-gradient(180deg, #fbf6f0 0%, #f2e7db 100%);
    color: var(--v-ink);
    font-size: 16px;
    line-height: 1.74;
}

a {
    color: var(--v-brick);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover { color: var(--v-olive); }

/* ---------- header ---------- */
.b-header {
    padding: 20px;
    text-align: center;
    background: rgba(251, 246, 240, .92);
    border-bottom: 1px solid var(--v-line);
    backdrop-filter: blur(14px);
}
.e-header-inner {
    max-width: 1100px;
    margin: 0 auto;
}
.e-header-name {
    display: inline-block;
    font-family: var(--v-font-title);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: .24em;
    text-transform: uppercase;
    color: var(--v-brick);
}

/* ---------- doc intro ---------- */
.b-doc-lead {
    max-width: 820px;
    margin: 0 auto;
    padding: 62px 20px 34px;
    text-align: center;
}
.e-doc-tag {
    display: inline-block;
    padding: 6px 16px;
    margin-bottom: 18px;
    border: 1px solid var(--v-olive-soft);
    border-radius: 999px;
    background: rgba(125, 139, 76, .12);
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--v-olive-deep);
}
.e-doc-title {
    font-family: var(--v-font-title);
    font-size: clamp(29px, 5vw, 50px);
    font-weight: 700;
    line-height: 1.12;
    color: var(--v-ink);
    margin-bottom: 14px;
}
.e-doc-title span {
    color: var(--v-olive);
    border-bottom: 4px double var(--v-olive);
    padding-bottom: 3px;
}
.e-doc-sub {
    max-width: 620px;
    margin: 0 auto;
    color: var(--v-ink-soft);
    font-size: 16.5px;
}
.e-doc-stamp {
    max-width: 860px;
    margin: 0 auto 8px;
    padding: 0 20px;
    font-size: 13px;
    letter-spacing: .04em;
    color: var(--v-ink-soft);
    text-transform: uppercase;
}

/* ---------- FAQ list ---------- */
.b-faq {
    max-width: 900px;
    margin: 0 auto;
    padding: 8px 20px 26px;
}
.e-faq-item {
    padding: 30px 0 26px;
    border-bottom: 1px solid var(--v-line);
}
.e-faq-item:first-child { border-top: 1px solid var(--v-line); }
.e-faq-item:last-child { border-bottom: none; }
.e-faq-num {
    display: block;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--v-clay);
    margin-bottom: 8px;
}
.e-faq-q {
    font-family: var(--v-font-title);
    font-size: clamp(22px, 3.4vw, 31px);
    font-weight: 700;
    line-height: 1.2;
    color: var(--v-brick);
    margin-bottom: 12px;
}
.e-faq-a p {
    color: var(--v-ink-soft);
    margin-bottom: 12px;
}
.e-faq-a p:last-child { margin-bottom: 0; }
.e-faq-a ul,
.e-faq-a ol {
    margin: 0 0 12px;
    padding-left: 20px;
    color: var(--v-ink-soft);
}
.e-faq-a li { margin-bottom: 7px; }
.e-faq-a strong { color: var(--v-ink); }
.m-faq-a-mark {
    padding: 18px 20px;
    border-left: 4px solid var(--v-olive);
    border-radius: 0 var(--v-r-s) var(--v-r-s) 0;
    background: rgba(125, 139, 76, .12);
}
.m-faq-a-mark p { color: var(--v-ink); }

/* ---------- key points, two columns ---------- */
.b-keys {
    max-width: 900px;
    margin: 0 auto;
    padding: 10px 20px 80px;
}
.e-keys-head {
    font-family: var(--v-font-title);
    font-size: clamp(20px, 3vw, 27px);
    font-weight: 700;
    color: var(--v-ink);
    text-align: center;
    margin-bottom: 6px;
}
.e-keys-lede {
    text-align: center;
    font-size: 14.5px;
    color: var(--v-ink-soft);
    margin-bottom: 24px;
}
.e-keys-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.e-keys-card {
    background: var(--v-sheet);
    border: 1px solid var(--v-line);
    border-top: 4px solid var(--v-brick);
    border-radius: var(--v-r-m);
    box-shadow: var(--v-sh-s);
    padding: 20px 20px 18px;
}
.m-keys-card-olive { border-top-color: var(--v-olive); }
.e-keys-title {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: .02em;
    color: var(--v-brick);
    margin-bottom: 6px;
}
.m-keys-card-olive .e-keys-title { color: var(--v-olive-deep); }
.e-keys-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--v-ink-soft);
}

@media (max-width: 640px) {
    .e-keys-grid { grid-template-columns: minmax(0, 1fr); }
    .b-doc-lead { padding-top: 46px; }
    .e-faq-item { padding: 24px 0 20px; }
}

/* ---------- footer ---------- */
.b-footer {
    margin-top: 34px;
    background: #f0e5d8;
    border-top: 1px solid var(--v-line);
    padding: 24px 20px 22px;
    text-align: center;
}
.e-footer-inner {
    max-width: 900px;
    margin: 0 auto;
}
.e-footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 22px;
    margin-bottom: 12px;
}
.e-footer-nav a {
    color: var(--v-brick);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .03em;
}
.e-footer-nav a:hover {
    color: var(--v-olive);
    text-decoration: underline;
}
.e-footer-copy {
    font-size: 12px;
    color: var(--v-ink-soft);
    margin-bottom: 10px;
}
.e-footer-note {
    max-width: 760px;
    margin: 0 auto;
    font-size: 11.5px;
    line-height: 1.68;
    color: #8a7565;
}