:root {
    --ss-steel: #2A3136;
    --ss-tape: #E6B800;
    --ss-paper: #F5F3EE;
    --ss-mute: #6B7380;
    --ss-ink: #1A1E22;
    --ss-card: #FFFEFB;
    --ss-line: #D4D0C8;
    --ss-err: #9B2F2F;
    --ss-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
    --ss-sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

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

@media (prefers-reduced-motion: no-preference) {
    html { scroll-behavior: smooth; }
}

body {
    font-family: var(--ss-sans);
    font-variant-numeric: tabular-nums;
    background: var(--ss-paper);
    color: var(--ss-ink);
    line-height: 1.55;
    font-size: 16px;
}

a { color: var(--ss-steel); }
img, svg { display: block; }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--ss-tape); outline-offset: 3px; }

.ss-wrap { max-width: 760px; margin: 0 auto; padding: 0 18px; }
.ss-narrow { max-width: 560px; }

.ss-tape {
    height: 10px;
    background: repeating-linear-gradient(
        -28deg,
        var(--ss-ink) 0 10px,
        var(--ss-tape) 10px 20px
    );
}

.ss-header {
    background: var(--ss-steel);
    color: var(--ss-paper);
    position: relative;
    z-index: 40;
}

.ss-navrow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 56px;
    gap: 12px;
}

.ss-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ss-paper);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.ss-brand-mark {
    width: 18px;
    height: 18px;
    background: repeating-linear-gradient(-28deg, var(--ss-ink) 0 4px, var(--ss-tape) 4px 8px);
    flex: none;
}

.ss-nav a {
    color: #C5CBD2;
    text-decoration: none;
    margin-left: 18px;
    font-size: 0.92rem;
}

.ss-nav a:hover { color: var(--ss-tape); }

.ss-burger {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid #4A535B;
    background: transparent;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.ss-burger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ss-tape);
}

.ss-hero { padding: 28px 0 12px; }

.ss-order {
    background: var(--ss-card);
    border: 1px solid var(--ss-line);
    padding: 22px 22px 22px 36px;
    position: relative;
    box-shadow: 3px 3px 0 rgba(42, 49, 54, 0.08);
}

.ss-order::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 14px;
    bottom: 14px;
    width: 12px;
    background: radial-gradient(circle at 50% 6px, var(--ss-paper) 4px, transparent 4.5px) 0 0 / 12px 22px;
}

.ss-order-head { position: relative; padding-right: 90px; margin-bottom: 16px; }

.ss-order-org {
    font-size: 0.78rem;
    color: var(--ss-mute);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.ss-order-no {
    font-family: var(--ss-mono);
    font-size: 1.35rem;
    font-weight: 700;
    margin-top: 6px;
    letter-spacing: 0.02em;
}

.ss-order-no span { color: var(--ss-steel); }

.ss-stamp {
    position: absolute;
    right: 0;
    top: 4px;
    border: 2px solid var(--ss-tape);
    color: var(--ss-steel);
    font-family: var(--ss-mono);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 6px 8px;
    transform: rotate(-7deg);
}

.ss-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 18px;
    border-top: 1px dashed var(--ss-line);
    border-bottom: 1px dashed var(--ss-line);
    padding: 12px 0;
    margin-bottom: 14px;
}

.ss-fields dt {
    font-size: 0.72rem;
    color: var(--ss-mute);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.ss-fields dd { font-family: var(--ss-mono); font-size: 0.92rem; }
.ss-fields a { color: inherit; }

.ss-lead { margin-bottom: 16px; max-width: 42em; }
.ss-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.ss-btn {
    display: inline-block;
    background: var(--ss-tape);
    color: var(--ss-ink);
    text-decoration: none;
    font-weight: 700;
    border: 0;
    padding: 11px 16px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
}

.ss-btn:hover { filter: brightness(0.96); }

.ss-btn-ghost {
    display: inline-block;
    color: var(--ss-steel);
    text-decoration: none;
    font-weight: 600;
    padding: 11px 12px;
    border: 1px dashed var(--ss-mute);
}

.ss-section { padding: 36px 0; }
.ss-section-alt { background: #EBE8E1; }

h2 {
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
}

.ss-note { color: var(--ss-mute); margin-bottom: 16px; font-size: 0.95rem; }

.ss-invoice-wrap { overflow-x: auto; }

.ss-invoice {
    width: 100%;
    min-width: 520px;
    border-collapse: collapse;
    background: var(--ss-card);
    font-size: 0.94rem;
}

.ss-invoice caption {
    text-align: left;
    font-family: var(--ss-mono);
    font-size: 0.78rem;
    padding: 8px 10px;
    caption-side: top;
    background: var(--ss-steel);
    color: var(--ss-tape);
}

.ss-invoice th,
.ss-invoice td {
    border-bottom: 1px dotted var(--ss-mute);
    padding: 9px 10px;
    text-align: left;
    vertical-align: top;
}

.ss-invoice th {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ss-mute);
    font-weight: 600;
    background: #F0EDE6;
}

.ss-invoice td:nth-child(2),
.ss-invoice td:nth-child(3),
.ss-invoice th:nth-child(2),
.ss-invoice th:nth-child(3) {
    font-family: var(--ss-mono);
    white-space: nowrap;
    text-align: right;
}

.ss-districts { list-style: none; background: var(--ss-card); border: 1px solid var(--ss-line); }

.ss-districts li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-bottom: 1px dotted var(--ss-line);
    font-variant-numeric: tabular-nums;
}

.ss-districts li:last-child { border-bottom: 0; }
.ss-districts span:last-child { font-family: var(--ss-mono); color: var(--ss-mute); font-size: 0.9rem; }

details {
    border-bottom: 1px solid var(--ss-line);
    padding: 4px 0;
}

summary {
    cursor: pointer;
    font-weight: 650;
    padding: 10px 0;
    list-style-position: outside;
}

details p { color: var(--ss-mute); padding: 0 0 12px; }

.ss-form { display: grid; gap: 14px; }
.ss-field label { display: block; font-weight: 600; margin-bottom: 4px; font-size: 0.92rem; }
.ss-opt { font-weight: 400; color: var(--ss-mute); }

.ss-field input,
.ss-field textarea {
    width: 100%;
    font: inherit;
    font-variant-numeric: tabular-nums;
    padding: 10px 10px;
    border: 1px solid #B8B3A8;
    background: var(--ss-card);
    color: var(--ss-ink);
}

.ss-field input[aria-invalid="true"],
.ss-field textarea[aria-invalid="true"] { border-color: var(--ss-err); }

.ss-err { color: var(--ss-err); font-size: 0.88rem; margin-top: 4px; }
.ss-formnote { color: var(--ss-mute); font-size: 0.85rem; }
.ss-done { background: var(--ss-card); border: 1px dashed var(--ss-mute); padding: 16px; }

.ss-footer {
    background: var(--ss-steel);
    color: #C5CBD2;
    padding: 28px 0 36px;
    font-size: 0.92rem;
}

.ss-footer a { color: var(--ss-tape); }
.ss-foot { display: grid; gap: 16px; }
.ss-foot-brand { color: var(--ss-paper); font-weight: 700; margin-bottom: 4px; }

@media (max-width: 720px) {
    .ss-burger { display: flex; }

    .ss-nav {
        display: none;
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        background: var(--ss-steel);
        flex-direction: column;
        padding: 8px 18px 18px;
        border-bottom: 10px solid transparent;
        border-image: repeating-linear-gradient(-28deg, var(--ss-ink) 0 10px, var(--ss-tape) 10px 20px) 10;
        z-index: 20;
    }

    .ss-header { position: relative; }
    .ss-nav.is-open { display: flex; }
    .ss-nav a { margin: 0; padding: 10px 0; border-bottom: 1px solid #3D464C; color: var(--ss-paper); }
    .ss-fields { grid-template-columns: 1fr; }
    .ss-order { padding-left: 32px; }
    .ss-stamp { position: static; display: inline-block; margin-top: 8px; transform: none; }
    .ss-order-head { padding-right: 0; }
    .ss-invoice td:nth-child(2),
    .ss-invoice th:nth-child(2) { display: none; }
    .ss-districts li { flex-direction: column; gap: 2px; }
}

@media (prefers-reduced-motion: reduce) {
    .ss-stamp { transform: none; }
    html { scroll-behavior: auto; }
}