:root {
    --orange: #f26b1d;
    --gold: #ffb43a;
    --cream: #fff1d6;
    --ink: #1f1a17;
    --muted: #6b625b;
    --line: #e8e0d4;
    --bg: #fbf8f3;
    --panel: #ffffff;
    --dark: #1a0d05;
    --code: #2b1f18;
    --sidebar: 268px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 84px;
}

body {
    margin: 0;
    font:
        16px/1.65 -apple-system,
        BlinkMacSystemFont,
        'Segoe UI',
        Inter,
        Roboto,
        sans-serif;
    color: var(--ink);
    background: var(--bg);
}

a {
    color: var(--orange);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

code,
pre {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.92em;
}

code {
    padding: 0.1em 0.4em;
    color: var(--dark);
    background: #f3ece2;
    border-radius: 4px;
}

pre {
    overflow: auto;
    padding: 14px 16px;
    color: var(--cream);
    background: var(--code);
    border-radius: 8px;
}

pre code {
    padding: 0;
    color: inherit;
    background: none;
}

/* Header */
.top {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 14px;
    height: 64px;
    padding: 0 24px;
    color: var(--cream);
    background: var(--dark);
    border-bottom: 3px solid var(--orange);
}

.top img {
    width: 36px;
    height: 36px;
}

.top .title {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.02em;
}

.top .title small {
    margin-left: 8px;
    font-weight: 500;
    color: var(--gold);
}

.top nav {
    display: flex;
    gap: 18px;
    margin-left: auto;
}

.top nav a {
    color: var(--cream);
    font-weight: 500;
}

.top nav a.cta {
    padding: 6px 14px;
    color: var(--dark);
    background: var(--gold);
    border-radius: 6px;
}

.top nav a.cta:hover {
    text-decoration: none;
    background: var(--orange);
    color: #fff;
}

/* Layout */
.layout {
    display: grid;
    grid-template-columns: var(--sidebar) minmax(0, 1fr);
    max-width: 1280px;
    margin: 0 auto;
}

.side {
    position: sticky;
    top: 64px;
    align-self: start;
    height: calc(100vh - 64px);
    overflow: auto;
    padding: 28px 18px 40px;
    border-right: 1px solid var(--line);
}

.side h4 {
    margin: 18px 10px 6px;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.side a {
    display: block;
    padding: 6px 10px;
    color: var(--ink);
    border-radius: 6px;
}

.side a:hover,
.side a.active {
    color: var(--orange);
    background: #fff3e6;
    text-decoration: none;
}

main {
    padding: 36px 48px 96px;
}

.hero {
    position: relative;
    overflow: hidden;
    margin-bottom: 36px;
    padding: 44px 40px;
    color: var(--cream);
    background:
        linear-gradient(90deg, rgb(26 13 5 / 92%), rgb(26 13 5 / 55%)),
        url('banner.jpg') center / cover;
    border-radius: 14px;
}

.hero h1 {
    margin: 0 0 8px;
    font-size: 38px;
}

.hero p {
    max-width: 640px;
    margin: 0;
    font-size: 17px;
    color: #f5e6cf;
}

.hero .tag {
    display: inline-block;
    margin-bottom: 14px;
    padding: 4px 10px;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dark);
    background: var(--gold);
    border-radius: 999px;
}

section {
    margin-bottom: 52px;
}

h2 {
    margin: 0 0 14px;
    padding-bottom: 8px;
    font-size: 26px;
    border-bottom: 1px solid var(--line);
}

h3 {
    margin: 26px 0 8px;
    font-size: 19px;
}

p,
li {
    color: #3b332d;
}

table {
    width: 100%;
    margin: 12px 0 18px;
    border-collapse: collapse;
    font-size: 15px;
}

th,
td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

th {
    font-weight: 600;
    color: var(--muted);
    background: #f6f1ea;
}

.callout {
    margin: 16px 0;
    padding: 14px 18px;
    background: #fff6ea;
    border-left: 4px solid var(--orange);
    border-radius: 6px;
}

.callout.info {
    background: #eef6ff;
    border-color: #4a90e2;
}

.callout strong {
    display: block;
    margin-bottom: 4px;
}

.steps {
    counter-reset: step;
    padding: 0;
    list-style: none;
}

.steps li {
    position: relative;
    margin: 0 0 12px;
    padding-left: 44px;
}

.steps li::before {
    content: counter(step);
    counter-increment: step;
    position: absolute;
    left: 0;
    top: 0;
    width: 30px;
    height: 30px;
    line-height: 30px;
    font-weight: 700;
    text-align: center;
    color: #fff;
    background: var(--orange);
    border-radius: 50%;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.card {
    padding: 16px 18px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
}

.card h4 {
    margin: 0 0 6px;
    color: var(--orange);
}

.card p {
    margin: 0;
    font-size: 14.5px;
}

footer.foot {
    padding: 24px 48px;
    color: var(--muted);
    font-size: 14px;
    border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .side {
        position: static;
        height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    main {
        padding: 24px 20px 64px;
    }

    .hero {
        padding: 30px 22px;
    }

    .hero h1 {
        font-size: 28px;
    }
}