.back-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #536076;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}
.back-link i,
.back-link svg {
    width: 16px;
    height: 16px;
}
.install-hero {
    padding: 88px 0 72px;
    text-align: center;
}
.install-hero h1 {
    margin: 0 0 18px;
    font-size: clamp(44px, 5vw, 64px);
    letter-spacing: -0.035em;
    line-height: 1.05;
}
.install-hero h1 em {
    color: var(--blue);
    font-style: normal;
}
.install-hero > p:not(.eyebrow) {
    max-width: 540px;
    margin: 0 auto 27px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.6;
}
.requirements {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #fff;
    margin: 80px auto;
}
.requirements article {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 24px 28px;
    border-right: 1px solid var(--line);
}
.requirements article:last-child {
    border: 0;
}
.requirements i,
.requirements svg {
    width: 24px;
    height: 24px;
    color: var(--blue);
}
.requirements strong,
.requirements span {
    display: block;
}
.requirements strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
}
.requirements span {
    color: var(--muted);
    font-size: 12.5px;
    line-height: 1.4;
    margin-top: 2px;
}
.requirements span code {
    font-size: 12px;
    padding: 1px 4px;
    background: #f1f5f9;
    border-radius: 3px;
}

.guide-heading h2 {
    margin: 0 0 35px;
    font-size: 42px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}
.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.guide-card {
    position: relative;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #fff;
}
.guide-number {
    position: absolute;
    top: 25px;
    right: 27px;
    color: #c1c8d4;
    font:
        12px "JetBrains Mono",
        monospace;
}
.guide-card > i,
.guide-card > svg {
    width: 24px;
    height: 24px;
    color: var(--blue);
}
.guide-card h3 {
    margin: 18px 0 6px;
    font-size: 22px;
    letter-spacing: -0.02em;
}
.guide-card > p {
    margin: 0;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.5;
}
.guide-card ol {
    display: grid;
    gap: 12px;
    margin: 22px 0;
    padding-left: 20px;
    color: #475569;
    font-size: 13.5px;
    line-height: 1.55;
}
.guide-card li::marker {
    color: var(--blue);
    font-weight: 800;
}
.guide-card code {
    padding: 2px 5px;
    border-radius: 4px;
    color: #334155;
    background: #f1f5f9;
    font:
        12px "JetBrains Mono",
        monospace;
}
.guide-card pre code {
    padding: 0;
    border-radius: 0;
    color: inherit;
    background: transparent;
    font: inherit;
}
.guide-card aside {
    display: grid;
    gap: 4px;
    margin-top: 12px;
    padding: 11px 13px;
    border-radius: 8px;
    background: #f5f9ff;
    color: #475569;
    font-size: 12.5px;
    line-height: 1.5;
}
.guide-card aside strong {
    color: var(--ink);
    font-size: 12.5px;
}
.guide-card pre {
    margin: 20px 0 0;
    padding: 14px 16px;
    border-radius: 8px;
    background: #182235;
    color: #dce7fb;
    font:
        12.5px/1.55 "JetBrains Mono",
        monospace;
}
.guide-card pre .prompt {
    color: #99e6c6;
}
.after-install {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    margin-bottom: 68px;
    padding: 39px 45px;
    border: 1px solid #dbeafe;
    border-radius: 17px;
    background: #f5f9ff;
}
.after-install h2 {
    margin: 0 0 6px;
    font-size: 30px;
    letter-spacing: -0.025em;
}
.after-install p:not(.eyebrow) {
    max-width: 540px;
    margin: 0;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.6;
}
.after-install code {
    font:
        12.5px "JetBrains Mono",
        monospace;
    background: #e2e8f0;
    padding: 2px 5px;
    border-radius: 4px;
}
@media (max-width: 800px) {
    .install-hero {
        padding: 62px 0 48px;
    }
    .requirements,
    .guide-grid {
        grid-template-columns: 1fr;
    }
    .requirements article {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
    .requirements article:last-child {
        border-bottom: 0;
    }
    .guide {
        padding: 80px 0;
    }
    .after-install {
        align-items: flex-start;
        flex-direction: column;
        padding: 30px;
    }
}
@media (max-width: 520px) {
    .install-hero h1 {
        font-size: 41px;
    }
    .guide-heading h2 {
        font-size: 34px;
    }
    .guide-card {
        padding: 24px;
    }
    .after-install h2 {
        font-size: 26px;
    }
}