* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: #132233;
    background: #f4f7f5;
    line-height: 1.65;
}

a {
    color: #127c72;
}

.site-header {
    background: #102334;
    border-bottom: 4px solid #e3b94f;
    color: #fff;
}

.nav {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    color: #fff;
    font-size: 1.15rem;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 18px;
    flex-wrap: wrap;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.94rem;
    font-weight: 600;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    color: #fff;
}

.hero {
    color: #fff;
    background:
        linear-gradient(135deg, rgba(16, 35, 52, 0.98), rgba(18, 124, 114, 0.88) 58%, rgba(180, 71, 59, 0.86)),
        radial-gradient(circle at 80% 15%, rgba(227, 185, 79, 0.32), transparent 32%);
}

.hero-inner {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 64px 0 46px;
}

.kicker {
    margin: 0 0 12px;
    color: #f4d57b;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    max-width: 820px;
    font-size: clamp(2rem, 4vw, 3.7rem);
    line-height: 1.08;
    letter-spacing: 0;
}

.hero-copy {
    margin: 18px 0 0;
    max-width: 760px;
    color: rgba(255, 255, 255, 0.86);
    font-size: 1.08rem;
}

.content-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 36px auto 56px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 36px;
    align-items: start;
}

.article {
    background: #fff;
    border: 1px solid #dbe4ea;
    border-radius: 8px;
    padding: 34px;
}

.article-section {
    padding: 0 0 28px;
    margin: 0 0 28px;
    border-bottom: 1px solid #e4ebef;
}

.article-section:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
}

h2 {
    margin: 0 0 12px;
    color: #102334;
    font-size: 1.45rem;
    line-height: 1.25;
    letter-spacing: 0;
}

h3 {
    margin: 20px 0 8px;
    color: #1b3b4f;
    font-size: 1.05rem;
}

p {
    margin: 0 0 14px;
}

ul,
ol {
    margin: 12px 0 0;
    padding-left: 22px;
}

li {
    margin: 8px 0;
}

.callout {
    margin: 18px 0;
    padding: 16px 18px;
    border-left: 4px solid #e3b94f;
    background: #fff8e3;
    color: #334155;
}

.quick-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 18px 0 0;
}

.quick-list div {
    border: 1px solid #dbe4ea;
    border-radius: 8px;
    padding: 14px;
    background: #f8fbfa;
}

.quick-list strong {
    display: block;
    margin-bottom: 4px;
    color: #102334;
}

.toc {
    position: sticky;
    top: 20px;
    background: #fff;
    border: 1px solid #dbe4ea;
    border-radius: 8px;
    padding: 20px;
}

.toc h2 {
    margin-bottom: 12px;
    font-size: 1rem;
}

.toc a {
    display: block;
    padding: 8px 0;
    color: #526170;
    font-size: 0.94rem;
    text-decoration: none;
    border-top: 1px solid #edf2f5;
}

.toc a:hover {
    color: #127c72;
}

.cta-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 800;
    text-decoration: none;
}

.button-primary {
    color: #fff;
    background: #127c72;
}

.button-secondary {
    color: #102334;
    background: #eef3f1;
    border: 1px solid #cfd9dd;
}

.table-wrap {
    overflow-x: auto;
    margin-top: 14px;
}

table {
    width: 100%;
    min-width: 580px;
    border-collapse: collapse;
    font-size: 0.96rem;
}

th,
td {
    padding: 12px;
    border: 1px solid #dbe4ea;
    text-align: left;
    vertical-align: top;
}

th {
    color: #102334;
    background: #eef3f1;
}

.site-footer {
    background: #102334;
    color: rgba(255, 255, 255, 0.72);
    padding: 28px 16px;
    text-align: center;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.86);
    margin: 0 8px;
    text-decoration: none;
}

@media (max-width: 860px) {
    .nav {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 0;
    }

    .nav-links {
        justify-content: flex-start;
    }

    .content-shell {
        grid-template-columns: 1fr;
    }

    .toc {
        position: static;
        order: -1;
    }
}

@media (max-width: 620px) {
    .hero-inner {
        padding: 44px 0 34px;
    }

    .article {
        padding: 22px;
    }

    .quick-list {
        grid-template-columns: 1fr;
    }
}