:root {
    --bg: #f7f7f4;
    --paper: #ffffff;
    --ink: #18211d;
    --muted: #5d6862;
    --line: #d8dcd5;
    --accent: #173f36;
    --warn: #7a3d24;
    --soft: #eef0eb;
    --max: 1040px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.55;
    font-size: 17px;
}

a {
    color: var(--accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

button,
select,
textarea {
    font: inherit;
}

.site-header {
    border-bottom: 1px solid var(--line);
    background: var(--paper);
}

.nav {
    max-width: var(--max);
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
}

.brand {
    color: var(--ink);
    font-weight: 800;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
    font-size: 14px;
}

.nav-links a,
.nav-links button {
    border: 0;
    background: transparent;
    padding: 0;
    color: var(--muted);
    cursor: pointer;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links button:hover {
    color: var(--ink);
}

.nav-links .danger {
    color: var(--warn);
}

.layout {
    max-width: var(--max);
    margin: 0 auto;
    padding: 36px 20px 70px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 28px;
    align-items: start;
}

.main {
    min-width: 0;
}

.aside {
    position: sticky;
    top: 18px;
    display: grid;
    gap: 14px;
}

.box,
.question,
.summary-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 10px;
}

.box {
    padding: 20px;
}

h1 {
    margin: 0 0 14px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.02;
    letter-spacing: -0.045em;
}

h2 {
    margin: 0 0 14px;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.12;
    letter-spacing: -0.028em;
}

h3 {
    margin: 0 0 8px;
    font-size: 19px;
    line-height: 1.25;
}

p {
    margin: 0 0 16px;
}

.lead {
    font-size: 21px;
    color: #2d3832;
}

.muted {
    color: var(--muted);
}

.kicker {
    margin-bottom: 12px;
    color: #8a642f;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 13px;
}

.progress {
    height: 12px;
    border-radius: 99px;
    overflow: hidden;
    background: var(--soft);
    border: 1px solid var(--line);
}

.progress > span {
    display: block;
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: width 160ms ease;
}

.score-number {
    font-size: 54px;
    font-weight: 900;
    letter-spacing: -0.06em;
    line-height: 1;
    color: var(--accent);
}

.score-line {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 12px;
}

.score-line small {
    color: var(--muted);
    font-size: 18px;
}

.status {
    font-weight: 800;
    margin-top: 14px;
}

.scale-list {
    display: grid;
    gap: 8px;
}

.scale-list div {
    padding: 10px 0;
    border-top: 1px solid var(--line);
}

.scale-list div:first-child {
    border-top: 0;
}

.scale-list strong {
    display: block;
}

.section-list {
    display: grid;
    gap: 10px;
}

.section-link {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    text-decoration: none;
    background: var(--paper);
}

.section-link[aria-current="page"] {
    border-color: var(--accent);
    background: var(--soft);
}

.section-link span {
    color: var(--muted);
}

.question-list {
    display: grid;
    gap: 14px;
    margin-top: 24px;
}

.question {
    padding: 18px;
}

.question-head {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 12px;
}

.question-id {
    color: #8a642f;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    margin-top: 14px;
}

select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg);
    color: var(--ink);
}

select {
    min-height: 44px;
    padding: 0 12px;
}

textarea {
    padding: 10px 12px;
    resize: vertical;
}

select:focus,
textarea:focus {
    outline: 3px solid rgba(23, 63, 54, 0.18);
    border-color: var(--accent);
}

select[data-answer="vendor"] {
    border-color: var(--warn);
    color: var(--warn);
    font-weight: 800;
}

select[data-answer="control"] {
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 800;
}

.point {
    margin-top: 24px;
    padding: 16px 18px;
    border-left: 4px solid var(--accent);
    background: var(--soft);
    font-weight: 800;
}

.pager {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    margin-top: 24px;
}

.button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    padding: 9px 15px;
    border-radius: 99px;
    border: 1px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    font-weight: 800;
    background: transparent;
    cursor: pointer;
}

.button.primary {
    background: var(--accent);
    color: white;
}

.summary-grid {
    display: grid;
    gap: 12px;
    margin-top: 22px;
}

.summary-card {
    padding: 16px;
}

.summary-card .row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid var(--line);
    padding-top: 10px;
    margin-top: 10px;
}

.summary-card .row:first-of-type {
    border-top: 0;
    padding-top: 0;
}

.result-text {
    margin-top: 18px;
    padding: 16px;
    background: var(--soft);
    border-left: 4px solid var(--accent);
    font-weight: 800;
}

@media (max-width: 820px) {
    .layout {
        grid-template-columns: 1fr;
    }

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

    .nav {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media print {
    @page {
        margin: 14mm;
    }

    :root {
        --bg: #fff;
        --paper: #fff;
        --ink: #000;
        --muted: #333;
        --line: #999;
        --accent: #000;
        --warn: #000;
        --soft: #f1f1f1;
    }

    body {
        background: #fff;
        color: #000;
        font-size: 10pt;
    }

    .site-header,
    .pager,
    .nav-links,
    .scale-list {
        display: none;
    }

    .layout {
        display: block;
        max-width: none;
        padding: 0;
    }

    .aside {
        position: static;
        display: block;
        margin-bottom: 8mm;
    }

    .box,
    .question,
    .summary-card {
        border: 1px solid #999;
        border-radius: 0;
        page-break-inside: avoid;
    }

    .box {
        margin-bottom: 6mm;
    }

    .progress {
        display: none;
    }

    h1 {
        font-size: 27pt;
    }

    h2 {
        font-size: 18pt;
    }

    a {
        color: #000;
        text-decoration: none;
    }
}