:root {
   --color-bg: #ffffff;
   --color-raise: #f2f5f3;
   --color-text: #12181d;
   --color-muted: #515c66;
   --color-accent: #047857;
   --color-accent-deep: #035c43;
   --color-border: #dde3e2;
   --font-head: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
   --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
   --font-mark: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
   --container: 1240px;
   --radius: 12px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
   margin: 0;
   background: var(--color-bg);
   color: var(--color-text);
   font-family: var(--font-body);
   font-size: 17px;
   line-height: 1.68;
}

.kv-box {
   width: 100%;
   max-width: var(--container);
   margin: 0 auto;
   padding: 0 20px;
}

a { color: var(--color-accent); }
a:hover { color: var(--color-accent-deep); }

img { max-width: 100%; }

:focus-visible {
   outline: 2px solid var(--color-accent);
   outline-offset: 2px;
}

h1, h2, h3 {
   font-family: var(--font-head);
   font-weight: 650;
   line-height: 1.18;
   margin: 0 0 16px;
   letter-spacing: -0.018em;
}

h1 { font-size: clamp(1.95rem, 5.4vw, 3rem); }
h2 { font-size: clamp(1.35rem, 3.4vw, 1.85rem); }
h3 { font-size: 1.1rem; }

p { margin: 0 0 17px; }

.kv-bar { background: var(--color-bg); border-bottom: 1px solid var(--color-border); }

.kv-bar__row {
   display: flex;
   align-items: center;
   justify-content: space-between;
   gap: 14px;
   min-height: 66px;
}

.kv-mark {
   display: inline-flex;
   align-items: center;
   gap: 9px;
   font-family: var(--font-head);
   font-size: 1.18rem;
   font-weight: 700;
   letter-spacing: 0.5px;
   color: var(--color-text);
   text-decoration: none;
}

.kv-mark span { display: inline-block; width: 13px; height: 13px; border-radius: 3px; background: var(--color-accent); }

.kv-open-menu {
   display: inline-flex;
   align-items: center;
   min-height: 44px;
   padding: 10px 16px;
   border: 1px solid var(--color-border);
   border-radius: 8px;
   background: var(--color-raise);
   color: var(--color-text);
   font: inherit;
   font-size: 0.92rem;
   cursor: pointer;
}

.kv-menu ul { list-style: none; margin: 0; padding: 0 0 12px; display: flex; flex-direction: column; }

.kv-menu a {
   display: flex;
   align-items: center;
   min-height: 44px;
   color: var(--color-text);
   text-decoration: none;
   font-size: 0.96rem;
}

.kv-menu a:hover { color: var(--color-accent); }
.kv-menu[hidden] { display: none; }

.kv-lede { padding-top: 46px; padding-bottom: 8px; }
.kv-lede h1 { max-width: 18ch; }

.kv-lede__answer {
   font-size: 1.12rem;
   max-width: 60ch;
   border-left: 3px solid var(--color-accent);
   padding-left: 18px;
   margin: 0;
}

.kv-gallery {
   list-style: none;
   margin: 30px 0 0;
   padding: 0;
   display: grid;
   grid-template-columns: 1fr;
   gap: 16px;
}

.kv-gallery figure { margin: 0; min-width: 0; }

.kv-gallery img {
   display: block;
   width: 100%;
   height: 360px;
   object-fit: contain;
   background: var(--color-raise);
   border-radius: var(--radius);
   border: 1px solid var(--color-border);
}

.kv-gallery figcaption { color: var(--color-muted); font-size: 0.9rem; padding-top: 9px; }

.kv-turn { padding-top: 40px; padding-bottom: 8px; }

.kv-turn__grid {
   display: grid;
   grid-template-columns: 1fr;
   gap: 24px;
   align-items: center;
}

.kv-turn__text { min-width: 0; }
.kv-turn__text p { max-width: 60ch; }
.kv-turn figure { margin: 0; min-width: 0; }
.kv-turn figure img { display: block; width: 100%; max-width: 260px; height: auto; border-radius: var(--radius); }
.kv-turn figcaption { color: var(--color-muted); font-size: 0.89rem; padding-top: 9px; }

.kv-tag {
   font-family: var(--font-mark);
   font-size: 0.7rem;
   text-transform: uppercase;
   letter-spacing: 1.4px;
   color: var(--color-accent);
   display: block;
   margin-bottom: 8px;
}

.kv-part { padding-top: 40px; padding-bottom: 12px; }
.kv-part p, .kv-part li { max-width: 72ch; }
.kv-part ul, .kv-part ol { padding-left: 22px; margin: 0 0 17px; }
.kv-part li { margin-bottom: 9px; }

.kv-part--tint { background: var(--color-raise); margin-top: 30px; padding: 40px 0 30px; }

.kv-scroll { overflow-x: auto; margin: 20px 0 10px; }

table {
   border-collapse: collapse;
   width: 100%;
   min-width: 720px;
   font-size: 0.94rem;
   line-height: 1.55;
}

caption { text-align: left; color: var(--color-muted); font-size: 0.92rem; padding-bottom: 12px; }

th, td {
   text-align: left;
   padding: 12px 16px 12px 0;
   border-bottom: 1px solid var(--color-border);
   vertical-align: top;
}

thead th {
   font-family: var(--font-mark);
   font-size: 0.7rem;
   text-transform: uppercase;
   letter-spacing: 1px;
   color: var(--color-muted);
   font-weight: 600;
}

tbody th { font-weight: 650; }

td.kv-count { text-align: right; font-variant-numeric: tabular-nums; padding-right: 8px; }

.kv-src { color: var(--color-muted); font-size: 0.91rem; font-style: italic; max-width: 70ch; }

.kv-faq { margin: 18px 0 0; max-width: 78ch; }

.kv-faq details {
   border: 1px solid var(--color-border);
   border-radius: var(--radius);
   padding: 4px 18px;
   margin-bottom: 12px;
   background: var(--color-bg);
}

.kv-faq summary {
   font-weight: 650;
   cursor: pointer;
   padding: 14px 0;
   min-height: 44px;
   display: flex;
   align-items: center;
}

.kv-faq summary:hover { color: var(--color-accent); }
.kv-faq details p { margin: 0 0 15px; }

.kv-row {
   list-style: none;
   margin: 22px 0 0;
   padding: 0;
}

.kv-row > li {
   border-top: 1px solid var(--color-border);
   padding: 24px 0;
   display: grid;
   grid-template-columns: 72px 1fr;
   gap: 18px;
   align-items: start;
}

.kv-row img { border-radius: 18px; width: 72px; height: 72px; }
.kv-row > li > div { min-width: 0; }
.kv-row h3 { margin: 0 0 2px; }

.kv-row__by {
   font-family: var(--font-mark);
   font-size: 0.7rem;
   text-transform: uppercase;
   letter-spacing: 1.1px;
   color: var(--color-muted);
   margin: 0 0 10px;
}

.kv-row p { margin-bottom: 12px; max-width: 62ch; }
.kv-row__model { color: var(--color-muted); font-size: 0.91rem; }

.kv-btn {
   display: inline-block;
   min-height: 44px;
   padding: 14px 26px;
   border: 1px solid var(--color-accent);
   border-radius: 8px;
   background: var(--color-accent);
   color: #ffffff;
   font: inherit;
   font-size: 0.93rem;
   font-weight: 600;
   text-decoration: none;
   cursor: pointer;
   transition: background 140ms ease, border-color 140ms ease;
}

.kv-btn:hover { background: var(--color-accent-deep); border-color: var(--color-accent-deep); color: #ffffff; }
.kv-btn--plain { background: transparent; color: var(--color-accent); }
.kv-btn--plain:hover { background: transparent; color: var(--color-accent-deep); }

.kv-next { display: inline-block; font-weight: 600; text-decoration: none; }
.kv-next::after { content: " \2192"; display: inline-block; transition: transform 140ms ease; }
.kv-next:hover { text-decoration: underline; }
.kv-next:hover::after { transform: translateX(4px); }

.kv-write { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 26px; margin: 20px 0 0; }

.kv-write__addr {
   font-size: clamp(1.2rem, 4.2vw, 1.6rem);
   font-weight: 700;
   word-break: break-word;
   display: inline-block;
   margin-bottom: 10px;
}

.kv-foot {
   margin-top: 36px;
   padding: 30px 0 46px;
   background: var(--color-raise);
   color: var(--color-muted);
   font-size: 0.92rem;
}

.kv-foot h2 { font-size: 1.02rem; color: var(--color-text); }
.kv-foot p { max-width: 70ch; }
.kv-foot__menu { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-wrap: wrap; gap: 0 24px; }
.kv-foot__menu a { display: inline-flex; align-items: center; min-height: 44px; }

.kv-consent {
   position: fixed;
   left: 14px;
   right: 14px;
   bottom: 14px;
   z-index: 40;
   max-width: 620px;
   background: var(--color-bg);
   border: 1px solid var(--color-border);
   border-radius: var(--radius);
   padding: 20px 22px;
}

.kv-consent p { font-size: 0.92rem; margin-bottom: 14px; }
.kv-consent__row { display: flex; flex-wrap: wrap; gap: 10px; }
.kv-consent__row .kv-btn { flex: 1 1 170px; text-align: center; }

.kv-doc { padding-top: 34px; padding-bottom: 12px; max-width: 900px; }
.kv-doc h2 { margin-top: 32px; }
.kv-doc p, .kv-doc li { max-width: 74ch; }
.kv-doc ul { padding-left: 22px; }
.kv-doc li { margin-bottom: 9px; }

.kv-rev {
   font-family: var(--font-mark);
   font-size: 0.72rem;
   text-transform: uppercase;
   letter-spacing: 1.1px;
   color: var(--color-muted);
}

@media (min-width: 700px) {
   .kv-consent__row .kv-btn { flex: 0 0 auto; }
   .kv-gallery { grid-template-columns: repeat(3, 1fr); gap: 22px; }
   .kv-gallery img { height: 420px; }
   .kv-turn figure img { max-width: 100%; }
   .kv-turn__grid { grid-template-columns: 1fr 300px; gap: 44px; }
   .kv-turn--flip .kv-turn__grid { grid-template-columns: 300px 1fr; }
   .kv-turn--flip figure { order: -1; }
}

@media (min-width: 1000px) {
   .kv-open-menu { display: none; }
   .kv-menu[hidden] { display: block; }
   .kv-menu ul { flex-direction: row; gap: 26px; padding: 0; }
   .kv-lede { padding-top: 72px; }
   .kv-turn { padding-top: 62px; }
   .kv-turn__grid { grid-template-columns: 1fr 340px; gap: 66px; }
   .kv-turn--flip .kv-turn__grid { grid-template-columns: 340px 1fr; }
   .kv-part { padding-top: 56px; }
   .kv-row > li { grid-template-columns: 80px 1fr 220px; align-items: center; }
   .kv-row img { width: 80px; height: 80px; }
}