/* =========================================================================
   Кейсы, каталог (/kejsy/)
   Первый экран с картотекой (SEO открыта, Директ и разработка под NDA),
   как читать цифры, фильтр по услуге, кейс аренды крупно, архив студии
   Color-Aim 2014–2018 карточками со шкалой периода и столбиками «было — стало».
   Без JS всё видно: фильтр скрыт, столбики в конечном состоянии
   (поведение — assets/js/catalog.js и assets/js/scenes/cases.js).
   ========================================================================= */

/* ---------- первый экран ---------- */
.ks-hero { min-height: min(92svh, 860px); }
.ks-h1 { font-size: clamp(2.6rem, 1.6rem + 4vw, 5rem); }
.ks-stage { display: grid; place-items: center; min-height: 510px; }
.ks-cab { position: relative; width: min(100%, 470px); height: 500px; margin-left: auto; }
.ks-folder { position: absolute; left: 0; right: 0; bottom: 0; border-radius: 22px; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.75); }
.ks-tab { position: absolute; top: -30px; height: 32px; display: inline-flex; align-items: center; padding: 0 16px; border-radius: 12px 12px 0 0; background: inherit; font-weight: 650; font-size: 0.85rem; white-space: nowrap; }
.ks-folder--dev { top: 30px; background: #172340; color: var(--fog); }
.ks-folder--dev .ks-tab { right: 22px; }
.ks-folder--ppc { top: 78px; background: #1c2b4f; color: #dfe6f6; }
.ks-folder--ppc .ks-tab { left: 42%; }
.ks-folder--seo { top: 126px; display: grid; gap: 14px; align-content: start; padding: 22px; background: #22345f; color: #eef2fb; }
.ks-folder--seo .ks-tab { left: 22px; background: #22345f; color: var(--signal); }
.ks-stamp { position: absolute; right: 22px; top: 9px; padding: 2px 10px; border: 1.5px solid currentColor; border-radius: 6px; font-family: var(--font-display); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; transform: rotate(-4deg); opacity: 0.8; }
.ks-folder--ppc .ks-stamp { color: var(--signal); }
.ks-folder--dev .ks-stamp { right: auto; left: 22px; color: #6fe0b4; }
.ks-sheet { display: grid; gap: 8px; padding: 16px 18px; border-radius: 16px; background: #fff; color: var(--ink); }
.ks-sheet-top { display: flex; justify-content: space-between; gap: 10px; font-size: 0.88rem; }
.ks-sheet-top b { font-weight: 650; }
.ks-sheet-top span { color: var(--ink-soft); }
.ks-sheet small { color: var(--ink-soft); font-size: 0.78rem; }
.ks-spark { width: 100%; height: auto; overflow: visible; }
.ks-spark .ks-grid { stroke: var(--paper-line); stroke-width: 1; }
.ks-spark .ks-line { fill: none; stroke: var(--flow); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.ks-spark .ks-pt { fill: #fff; stroke: var(--flow); stroke-width: 3; }
.ks-spark .ks-pt.is-end { fill: var(--signal); stroke: var(--signal); }
.ks-spark text { font-family: var(--font-display); font-size: 15px; font-weight: 600; fill: var(--ink-soft); }
.ks-spark text.is-end { fill: var(--flow-ink); font-size: 18px; }
.ks-chips { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.ks-chips li { display: grid; gap: 2px; padding: 10px 10px 9px; border-radius: 12px; background: rgba(255, 255, 255, 0.07); }
.ks-chips b { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--signal); letter-spacing: -0.02em; }
.ks-chips span { color: var(--fog); font-size: 0.74rem; }
@media (prefers-reduced-motion: no-preference) {
  html.js:not(.motion-off) .ks-folder { animation: ks-in 0.9s var(--ease-out) both; }
  html.js:not(.motion-off) .ks-folder--dev { animation-delay: 0.15s; }
  html.js:not(.motion-off) .ks-folder--ppc { animation-delay: 0.3s; }
  html.js:not(.motion-off) .ks-folder--seo { animation-delay: 0.45s; }
  html.js:not(.motion-off) .ks-chips li { animation: ks-chip 0.5s var(--ease-out) both; }
  html.js:not(.motion-off) .ks-chips li:nth-child(1) { animation-delay: 1.2s; }
  html.js:not(.motion-off) .ks-chips li:nth-child(2) { animation-delay: 1.3s; }
  html.js:not(.motion-off) .ks-chips li:nth-child(3) { animation-delay: 1.4s; }
  html.js:not(.motion-off) .ks-chips li:nth-child(4) { animation-delay: 1.5s; }
  .ks-cab:hover .ks-folder--seo { transform: translateY(-6px); transition: transform 0.4s var(--ease-out); }
}
@keyframes ks-in { from { transform: translateY(60px); opacity: 0; } }
@keyframes ks-chip { from { transform: translateY(10px) scale(0.9); opacity: 0; } }

/* ---------- как читать цифры ---------- */
.ks-how-list { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ks-how-list li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 16px; align-items: start; padding: 22px; border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--line); }
.ks-how-list svg { width: 36px; height: 36px; fill: none; stroke: var(--flow-ink); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ks-how-list h3 { font-size: var(--step-1); font-weight: 650; margin-bottom: 4px; }
.ks-how-list p { margin: 0; color: var(--fg-soft); font-size: 0.97rem; }

/* ---------- фильтр ---------- */
.ks-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; margin-bottom: 28px; }
.ks-tools[hidden] { display: none; }
.ks-filters { margin: 0; }
.ks-filters button { min-height: 44px; }
.ks-count { margin: 0; color: var(--fg-dim); font-size: 0.92rem; }

/* ---------- группы ---------- */
.ks-groups { display: grid; gap: clamp(48px, 6vw, 80px); }
.ks-group[hidden] { display: none; }
.ks-group-h { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; font-family: var(--font-display); font-size: var(--step-2); font-weight: 600; letter-spacing: -0.02em; }
.ks-dot { width: 14px; height: 14px; border-radius: 50%; }
.ks-dot--seo { background: var(--flow); }
.ks-dot--ppc { background: var(--signal); }
.ks-dot--dev { background: var(--ok); }

/* кейс аренды крупно */
.ks-feature { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(24px, 4vw, 56px); align-items: center; padding: clamp(24px, 3vw, 40px); border-radius: var(--radius-lg); background: var(--night); color: #eef2fb; --fg-soft: var(--fog); --line: var(--night-line); }
.ks-feature[hidden] { display: none; }
.ks-feature-meta { color: var(--fog-dim); font-size: var(--step--1); margin-bottom: 12px; }
.ks-feature h4 { font-size: var(--step-2); font-weight: 650; line-height: 1.25; margin-bottom: 12px; }
.ks-feature p { color: var(--fog); }
.ks-feature-big { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin: 14px 0 6px; }
.ks-feature-big .num { font-size: clamp(2.6rem, 2rem + 3vw, 4.4rem); color: var(--signal); }
.ks-feature-big .from { font-family: var(--font-display); font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem); color: var(--fog-dim); }
.ks-feature-big .from::after { content: "→"; margin-left: 12px; font-family: var(--font-text); }
.ks-feature-sub { font-size: 0.97rem; }
.ks-feature .actions { margin-top: 8px; }
.ks-feature-svc { color: var(--flow-light); font-weight: 600; }
.ks-feature-chart { margin: 0; }
.ks-feature-chart svg { width: 100%; height: auto; overflow: visible; }
.ks-feature-chart .grid line { stroke: var(--night-line); stroke-width: 1; }
.ks-feature-chart .grid text, .ks-feature-chart .lbl { font-family: var(--font-text); font-size: 12px; fill: var(--fog-dim); }
.ks-feature-chart .val { font-family: var(--font-display); font-size: 15px; font-weight: 600; fill: #eef2fb; }
.ks-feature-chart .line { fill: none; stroke: var(--signal); stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.ks-feature-chart .area { fill: url(#ksFill); }
.ks-feature-chart .pt { fill: var(--night); stroke: var(--signal); stroke-width: 3; }
.ks-feature-chart figcaption { margin-top: 14px; font-size: var(--step--1); color: var(--fog-dim); }

/* архив студии */
.ks-arc-head { display: grid; gap: 8px; max-width: 60rem; margin: clamp(40px, 5vw, 64px) 0 20px; }
.ks-arc-head h4 { font-size: var(--step-2); font-weight: 650; line-height: 1.25; }
.ks-arc-head p { margin: 0; color: var(--fg-soft); }
.ks-arc-list { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.ks-arc { display: grid; grid-template-rows: auto auto 1fr auto auto auto auto; gap: 10px; padding: 20px; border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--line); }
.ks-arc[hidden] { display: none; }
.ks-arc h4 { font-size: 1.08rem; font-weight: 650; line-height: 1.3; }
.ks-arc p { margin: 0; }
.ks-arc-meta { color: var(--fg-dim); font-size: 0.85rem; line-height: 1.35; }
.ks-arc-did { color: var(--fg-soft); font-size: 0.92rem; line-height: 1.45; }
.ks-period { position: relative; display: flex; justify-content: space-between; padding-top: 12px; color: var(--fg-dim); font-size: 0.72rem; line-height: 1; background: linear-gradient(var(--paper-line), var(--paper-line)) 0 3px / 100% 2px no-repeat; }
.ks-period i { position: absolute; top: 0; height: 8px; border-radius: 4px; left: calc(var(--s) / 60 * 100%); width: calc((var(--e) - var(--s)) / 60 * 100%); background: linear-gradient(90deg, var(--flow), var(--flow-light)); }
.ks-bars { display: grid; gap: 6px; padding-top: 4px; }
.ks-bar { display: grid; grid-template-columns: 96px minmax(0, 1fr) auto; gap: 8px; align-items: center; font-size: 0.8rem; color: var(--fg-soft); }
.ks-bar span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ks-bar i { display: block; width: var(--w); min-width: 4px; height: 10px; border-radius: 5px; background: var(--paper-line); transform-origin: left center; }
.ks-bar.is-after i { background: var(--flow); }
.ks-bar b { font-weight: 650; color: var(--fg); font-variant-numeric: tabular-nums; white-space: nowrap; }
.ks-arc-res { display: flex; align-items: baseline; gap: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.ks-arc-res span:last-child { color: var(--fg-soft); font-size: 0.85rem; line-height: 1.3; }
.ks-mult { font-family: var(--font-display); font-weight: 600; font-size: 1.6rem; letter-spacing: -0.03em; color: var(--flow-ink); white-space: nowrap; }
.ks-arc-svc { color: var(--fg-dim); font-size: 0.85rem; line-height: 1.4; }
.ks-arc-svc a { display: inline; }
.ks-arc--sum { align-content: start; grid-template-rows: none; background: var(--night); color: #eef2fb; border-color: var(--night); --line: var(--night-line); }
.ks-arc--sum .ks-arc-meta { color: var(--fog-dim); }
.ks-sum-num { display: grid; gap: 6px; }
.ks-sum-num .num { font-size: 4rem; color: var(--signal); }
.ks-sum-num span:last-child { color: var(--fog); font-size: 0.95rem; }
.ks-sum-geo { color: var(--fog); font-size: 0.9rem; line-height: 1.45; }
.ks-arc--sum .ks-arc-svc { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--night-line); }
.ks-arc--sum a { color: var(--flow-light); }
.ks-note { margin: 16px 0 0; color: var(--fg-dim); font-size: var(--step--1); }

/* столбики растут при появлении: JS ставит .is-armed и затем .is-in */
.ks-arc-list.is-armed .ks-bar i { transform: scaleX(0); }
.ks-arc-list.is-armed .ks-period i { transform: scaleX(0); transform-origin: left center; }
.ks-arc.is-in .ks-bar i, .ks-arc.is-in .ks-period i { transform: scaleX(1); transition: transform 0.9s var(--ease-out); }
.ks-arc.is-in .ks-bar.is-after i { transition-delay: 0.2s; }

/* заглушки «кейсы готовятся» */
.ks-nda { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 18px; align-items: start; padding: clamp(20px, 3vw, 28px); border-radius: var(--radius-md); border: 1.5px dashed #c4cddf; background: var(--surface); }
.ks-nda[hidden] { display: none; }
.ks-nda-ico { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: var(--paper-3); }
.ks-nda-ico svg { width: 28px; height: 28px; fill: none; stroke: var(--ink-soft); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ks-nda h4 { font-size: var(--step-1); font-weight: 650; margin-bottom: 6px; }
.ks-nda p { margin: 0 0 12px; color: var(--fg-soft); max-width: 60ch; }
.ks-nda-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 !important; }
.ks-nda-links a { font-weight: 600; }

/* ---------- адаптив ---------- */
@media (max-width: 1180px) {
  .ks-arc-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1080px) {
  .ks-hero { min-height: auto; }
  .ks-feature { grid-template-columns: minmax(0, 1fr); }
  .ks-how-list { grid-template-columns: minmax(0, 1fr); }
  .ks-cab { margin: 0 auto; }
}
@media (max-width: 640px) {
  .ks-arc-list { grid-template-columns: minmax(0, 1fr); }
  .ks-stage { min-height: 510px; }
  .ks-cab { height: 510px; }
  .ks-folder--dev { top: 26px; }
  .ks-folder--ppc { top: 68px; }
  .ks-folder--seo { top: 110px; padding: 16px; gap: 10px; }
  .ks-chips { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ks-folder--ppc .ks-tab { left: auto; right: 22px; }
  .ks-folder--dev .ks-tab { right: auto; left: 46%; }
  .ks-nda { grid-template-columns: minmax(0, 1fr); }
  .ks-how-list li { padding: 18px; }
}