/* ============================================================
   Documentary UI — Meerkat portfolio
   Ported from Claude Design handoff (paper/ink, light + dark)
   Fonts are injected by next/font as CSS variables:
     --font-inter, --font-playfair, --font-jetbrains
============================================================ */

:root {
  --bg: oklch(98% 0.005 90);
  --paper: oklch(99.4% 0.003 90);
  --ink: oklch(20% 0.01 270);
  --ink-soft: oklch(36% 0.012 270);
  --ink-mute: oklch(50% 0.015 270);
  --rule: oklch(89% 0.008 270);
  --rule-strong: oklch(78% 0.012 270);
  --tint: oklch(95% 0.008 270);
  --tint-2: oklch(92% 0.012 270);
  --accent: oklch(48% 0.14 255);
  --accent-soft: oklch(48% 0.14 255 / 0.12);
  --warn: oklch(60% 0.15 35);
  --warn-soft: oklch(60% 0.15 35 / 0.14);
  --ok: oklch(55% 0.14 150);
  --ok-soft: oklch(55% 0.14 150 / 0.14);
  --maxw: 1440px;

  --serif: var(--font-playfair), Georgia, serif;
  --sans: var(--font-inter), system-ui, sans-serif;
  --mono: var(--font-jetbrains), ui-monospace, monospace;
  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: oklch(15% 0.008 270);
  --paper: oklch(19% 0.009 270);
  --ink: oklch(94% 0.006 90);
  --ink-soft: oklch(78% 0.01 270);
  --ink-mute: oklch(63% 0.014 270);
  --rule: oklch(28% 0.01 270);
  --rule-strong: oklch(38% 0.012 270);
  --tint: oklch(23% 0.009 270);
  --tint-2: oklch(27% 0.011 270);
  --accent: oklch(68% 0.14 255);
  --accent-soft: oklch(68% 0.14 255 / 0.18);
  --warn: oklch(72% 0.15 35);
  --warn-soft: oklch(72% 0.15 35 / 0.18);
  --ok: oklch(70% 0.14 150);
  --ok-soft: oklch(70% 0.14 150 / 0.18);
  color-scheme: dark;
}

/* keep overlays readable on dark inverted chrome */
html[data-theme="dark"] .btn.primary { color: var(--bg); }
html[data-theme="dark"] .btn.primary:hover { background: var(--ink-soft); color: var(--bg); }
html[data-theme="dark"] .btn:hover { color: var(--bg); }
html[data-theme="dark"] .side-link.active { color: var(--bg); }
html[data-theme="dark"] .side-link.active .num { color: color-mix(in oklab, var(--bg) 70%, transparent); }
html[data-theme="dark"] .chip.solid,
html[data-theme="dark"] .badge.solid { color: var(--bg); }
html[data-theme="dark"] .side-brand .logo-wrap object,
html[data-theme="dark"] .side-brand .logo-wrap img,
html[data-theme="dark"] .side-brand .logo-wrap svg { filter: invert(0.92) hue-rotate(180deg); }

/* theme toggle */
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 999px;
  border: 1px solid var(--rule-strong); background: var(--paper);
  color: var(--ink-soft); cursor: pointer; flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s, background 0.15s, transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.theme-toggle:hover { border-color: var(--ink); color: var(--ink); }
.theme-toggle svg { width: 15px; height: 15px; display: block; transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1); }
.theme-toggle .ic-sun { display: none; }
.theme-toggle .ic-moon { display: block; }
html[data-theme="dark"] .theme-toggle .ic-sun { display: block; }
html[data-theme="dark"] .theme-toggle .ic-moon { display: none; }
html[data-theme="dark"] .theme-toggle:hover { transform: rotate(-20deg); }
html:not([data-theme="dark"]) .theme-toggle:hover { transform: rotate(20deg); }

/* base */
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 14.5px; line-height: 1.6;
  font-feature-settings: "ss01", "cv11"; -webkit-font-smoothing: antialiased;
}
html { scroll-behavior: smooth; }
a { color: inherit; }
img { max-width: 100%; }
.mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; }
.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; padding: 0; }
h1, h2, h3 { overflow-wrap: break-word; word-break: normal; hyphens: auto; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* TOPBAR */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--rule);
}
.topbar-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 11px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.crumbs { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 10.5px; color: var(--ink-mute); letter-spacing: 0.04em; text-transform: uppercase; }
.crumbs a { color: var(--ink-soft); text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.crumbs .sep { color: var(--rule-strong); }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.status-pill { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-soft); border: 1px solid var(--rule-strong); border-radius: 999px; padding: 5px 12px; }
.status-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); animation: beat 2.4s infinite; }
.lang-link { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none; border: 1px solid var(--rule-strong); border-radius: 999px; padding: 5px 11px; transition: border-color 0.15s, color 0.15s; }
.lang-link:hover { border-color: var(--ink); color: var(--ink); }
html.lang-switching .lang-link { pointer-events: none; opacity: 0.55; }
@keyframes beat { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@media (max-width: 760px) { .topbar-inner { padding: 10px 18px; } .status-pill { display: none; } }

/* SHELL */
.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 0; min-height: calc(100vh - 56px); }
.shell.cabinet { grid-template-columns: minmax(0, 1fr); }
@media (max-width: 960px) { .shell { grid-template-columns: minmax(0, 1fr); padding: 0; } }

/* SIDEBAR */
aside.sidebar { border-right: 1px solid var(--rule); padding: 0 0 80px; position: sticky; top: 56px; align-self: start; max-height: calc(100vh - 56px); overflow-y: auto; background: var(--bg); }
.side-brand { padding: 20px 22px 16px; border-bottom: 1px solid var(--rule); display: flex; align-items: center; gap: 12px; background: var(--bg); position: sticky; top: 0; z-index: 5; }
.side-brand .logo-wrap { width: 38px; height: 38px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; background: var(--paper); border: 1px solid var(--rule-strong); border-radius: 2px; padding: 4px; }
.side-brand .logo-wrap svg, .side-brand .logo-wrap object, .side-brand .logo-wrap img { width: 100%; height: 100%; display: block; pointer-events: none; }
.side-brand .logo-wrap.avatar { width: 80px; height: 80px; padding: 0; border-radius: 2px; overflow: hidden; }
.side-brand .logo-wrap.avatar img { object-fit: cover; }
html[data-theme="dark"] .side-brand .logo-wrap.avatar img { filter: none; }
.side-brand .b-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.side-brand .b-text b { font-weight: 600; color: var(--ink); font-size: 13px; letter-spacing: -0.005em; line-height: 1.2; }
.side-brand .b-text span { font-size: 10.5px; color: var(--ink-mute); font-family: var(--mono); letter-spacing: 0.04em; text-transform: uppercase; }
@media (max-width: 960px) { aside.sidebar { position: relative; top: 0; max-height: none; border-right: 0; border-bottom: 1px solid var(--rule); padding: 0 0 16px; } .side-brand { position: relative; } }

.toc { padding: 10px 14px 24px; }
.side-link { display: flex; gap: 10px; align-items: flex-start; padding: 7px 10px 7px 22px; border-radius: 3px; cursor: pointer; transition: background 0.12s, color 0.12s; font-size: 12.5px; color: var(--ink-soft); line-height: 1.4; position: relative; text-decoration: none; margin-bottom: 2px; }
.side-link::before { content: ""; position: absolute; left: 8px; top: 14px; width: 6px; height: 1px; background: var(--rule-strong); }
.side-link:hover { background: var(--tint); color: var(--ink); }
.side-link.active { background: var(--ink); color: var(--paper); }
.side-link.active::before { background: var(--paper); }
.side-link .num { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); padding-top: 2px; min-width: 20px; flex-shrink: 0; }
.side-link.active .num { color: color-mix(in oklab, var(--paper) 70%, transparent); }
.side-link .lbl { flex: 1; min-width: 0; }
.toc-meta { padding: 14px 22px; border-top: 1px solid var(--rule); margin-top: 8px; display: flex; flex-direction: column; gap: 8px; }
.toc-meta .mono { color: var(--ink-mute); }
.toc-meta b { font-weight: 500; font-size: 13px; color: var(--ink); }

/* MAIN */
main.content { padding: 56px 80px 120px 96px; min-width: 0; }
@media (max-width: 1180px) { main.content { padding: 48px 56px 120px 64px; } }
@media (max-width: 760px) { main.content { padding: 36px 24px 80px; } }

section.block { margin-top: clamp(64px, 7vw, 88px); scroll-margin-top: 80px; }
.eyebrow { display: flex; gap: 16px; align-items: center; color: var(--ink-mute); margin-bottom: 24px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; }
.eyebrow hr { flex: 1; border: 0; border-top: 1px solid var(--rule); }
.section-head { display: grid; grid-template-columns: 80px 1fr auto; gap: 24px; margin-bottom: 20px; align-items: baseline; }
.section-num { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); padding-top: 12px; border-top: 2px solid var(--ink); width: 40px; }
.section-title { font-size: clamp(28px, 3vw, 38px); line-height: 1.14; margin: 0; letter-spacing: -0.015em; font-family: var(--serif); font-weight: 400; }
.section-action { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); text-transform: uppercase; letter-spacing: 0.04em; }
@media (max-width: 640px) { .section-head { grid-template-columns: 1fr; gap: 8px; } .section-num { width: 100%; } .section-action { display: none; } }
p { margin: 0 0 14px; max-width: 72ch; }
p.lead { font-size: 16.5px; color: var(--ink-soft); margin-bottom: 28px; }

/* CALLOUT */
.callout { max-width: 72ch; border-left: 2px solid var(--accent); padding: 12px 0 12px 20px; margin: 20px 0; color: var(--ink-soft); font-family: var(--serif); font-style: italic; font-size: 19px; line-height: 1.45; letter-spacing: -0.005em; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 8px; font: inherit; font-size: 13px; padding: 9px 16px; border: 1px solid var(--ink); background: var(--paper); color: var(--ink); cursor: pointer; border-radius: 2px; transition: background 0.15s, color 0.15s, border-color 0.15s; letter-spacing: -0.005em; text-decoration: none; }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--ink-soft); }
.btn.ghost { border-color: var(--rule-strong); color: var(--ink-soft); background: transparent; }
.btn.ghost:hover { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn.sm { padding: 6px 12px; font-size: 12px; }

/* CHIPS / BADGES */
.chip { display: inline-block; font-family: var(--mono); font-size: 10px; padding: 2px 7px; border: 1px solid var(--rule-strong); color: var(--ink-mute); border-radius: 2px; white-space: nowrap; }
.chip.a { color: var(--accent); border-color: var(--accent); }
.badge { display: inline-flex; align-items: center; gap: 5px; font-family: var(--mono); font-size: 10px; padding: 3px 8px; border: 1px solid var(--rule-strong); color: var(--ink-mute); border-radius: 2px; letter-spacing: 0.04em; text-transform: uppercase; }
.badge.accent { color: var(--accent); border-color: var(--accent); }
.badge.ok { color: var(--ok); border-color: var(--ok); }

/* HERO */
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 48px; align-items: center; padding: 8px 0 4px; }
@media (max-width: 1280px) { .hero { grid-template-columns: minmax(0, 1fr); gap: 28px; } }
.hero-title { font-size: clamp(38px, 4.6vw, 60px); line-height: 1.04; margin: 0 0 22px; letter-spacing: -0.025em; font-weight: 400; font-family: var(--serif); text-wrap: balance; }
.hero-title em { font-style: italic; color: var(--ink-soft); }
.hero-sub { max-width: 54ch; color: var(--ink-soft); font-size: 17px; line-height: 1.6; margin: 0 0 26px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* hero ascii network */
.net-frame { border: 1px solid var(--rule); background: var(--paper); overflow: hidden; position: relative; }
.net-head { display: flex; justify-content: space-between; align-items: center; padding: 11px 16px; border-bottom: 1px solid var(--rule); font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.06em; text-transform: uppercase; }
.net-head .live-dot { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); }
.net-head .live-dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: beat 1.6s infinite; }
.net-wrap { position: relative; padding: 14px; background: repeating-linear-gradient(0deg, transparent 0 19px, color-mix(in oklab, var(--ink) 3%, transparent) 19px 20px); }
#hero-net { font-family: var(--mono); color: var(--ink-soft); margin: 0 auto; display: block; max-width: 100%; }
.net-foot { display: flex; gap: 6px 18px; flex-wrap: wrap; padding: 11px 16px; border-top: 1px solid var(--rule); font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.04em; text-transform: uppercase; }
.net-foot span { display: inline-flex; align-items: center; gap: 6px; }
.net-foot i { font-style: normal; color: var(--ink); }
#build-status { margin-left: auto; white-space: nowrap; font-variant-numeric: tabular-nums; color: var(--ink-soft); }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule); margin-top: 40px; }
.kpi { padding: 18px 20px 18px 0; border-right: 1px solid var(--rule); }
.kpi:last-child { border-right: 0; }
.kpi + .kpi { padding-left: 20px; }
.kpi .mono { color: var(--ink-mute); margin-bottom: 6px; display: block; }
.kpi .val { font-family: var(--serif); font-size: 42px; line-height: 1; letter-spacing: -0.02em; color: var(--ink); margin: 4px 0; }
.kpi .trend { font-family: var(--mono); font-size: 10.5px; color: var(--ok); letter-spacing: 0.04em; text-transform: uppercase; margin-top: 4px; }
@media (max-width: 1180px) { .kpis { grid-template-columns: repeat(2, 1fr); } .kpi:nth-child(odd) { padding-left: 0; } .kpi:nth-child(even) { border-right: 0; } .kpi:nth-child(1), .kpi:nth-child(2) { border-bottom: 1px solid var(--rule); } }
@media (max-width: 780px) { .kpi .val { font-size: 32px; } }

/* SERVICES */
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--rule); background: var(--paper); }
@media (max-width: 760px) { .svc-grid { grid-template-columns: 1fr; } }
.svc { padding: 26px 28px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); display: flex; flex-direction: column; gap: 12px; }
.svc:nth-child(2n) { border-right: 0; }
.svc:nth-last-child(-n + 2) { border-bottom: 0; }
@media (max-width: 760px) { .svc { border-right: 0; } .svc:nth-last-child(2) { border-bottom: 1px solid var(--rule); } }
.svc .svc-no { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: 0.06em; }
.svc h3 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 26px; letter-spacing: -0.015em; line-height: 1.12; }
.svc p { margin: 0; color: var(--ink-soft); font-size: 13.5px; line-height: 1.55; max-width: 42ch; }
.svc .svc-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; padding-top: 8px; }

/* AGENTS PIPELINE */
.diagram { margin: 0 0 8px; background: var(--paper); border: 1px solid var(--rule); padding: 24px; position: relative; }
.diagram-label { display: flex; flex-wrap: wrap; gap: 6px 16px; justify-content: space-between; align-items: center; margin-bottom: 18px; color: var(--ink-mute); font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; text-transform: uppercase; }
.diagram.pipeline { display: flex; flex-direction: column; gap: 0; }
.orch { display: flex; align-items: center; gap: 20px; background: var(--ink); color: var(--paper); border: 1px solid var(--ink); padding: 18px 22px; }
.orch .o-id { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: color-mix(in oklab, var(--paper) 60%, transparent); flex-shrink: 0; }
.orch .o-name { font-family: var(--serif); font-size: 26px; line-height: 1; letter-spacing: -0.015em; flex-shrink: 0; }
.orch .o-desc { font-size: 12.5px; line-height: 1.5; color: color-mix(in oklab, var(--paper) 80%, transparent); margin-left: auto; max-width: 48ch; text-align: right; }
.orch-comb { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; height: 30px; margin: 0; }
.orch-comb .tick { position: relative; display: flex; align-items: flex-end; justify-content: center; color: var(--rule-strong); }
.orch-comb .tick::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 9px; width: 1px; background: var(--rule-strong); }
.orch-comb .tick span { position: relative; background: var(--paper); font-family: var(--mono); font-size: 11px; line-height: 1; padding: 0 1px; }
.flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; position: relative; }
.flow .stage { min-width: 0; border: 1px solid var(--rule-strong); background: var(--paper); padding: 14px 14px 16px; display: flex; flex-direction: column; gap: 7px; position: relative; transition: border-color 0.18s, box-shadow 0.18s; }
.flow .stage:hover, .flow .stage.hl { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); z-index: 3; }
.flow .stage::after { content: "\2192"; position: absolute; right: -14px; top: 50%; transform: translate(50%, -50%); width: 14px; text-align: center; font-family: var(--mono); font-size: 13px; color: var(--rule-strong); z-index: 4; }
.flow .stage:last-child::after { display: none; }
.flow .stage .s-no { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: 0.05em; }
.flow .stage .s-name { font-family: var(--serif); font-size: 19px; line-height: 1.08; letter-spacing: -0.01em; overflow-wrap: break-word; hyphens: auto; }
.flow .stage .s-role { font-size: 11.5px; line-height: 1.45; color: var(--ink-soft); }
.pipe-dir { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.04em; text-transform: uppercase; margin-top: 16px; padding-top: 13px; border-top: 1px solid var(--rule); }
@media (min-width: 1081px) {
  .orch-comb, .flow { grid-template-columns: repeat(3, 1fr); }
  .orch-comb .tick:nth-child(n + 4) { display: none; }
  .flow { row-gap: 14px; }
  .flow .stage:nth-child(3n)::after { display: none; }
}
@media (max-width: 1080px) {
  .orch { flex-wrap: wrap; gap: 6px 16px; }
  .orch .o-desc { margin-left: 0; text-align: left; max-width: 100%; flex-basis: 100%; }
  .orch-comb { display: none; }
  .flow { grid-template-columns: 1fr; gap: 0; margin-top: 18px; border: 1px solid var(--rule-strong); }
  .flow .stage { border: 0; border-bottom: 1px solid var(--rule); }
  .flow .stage:last-child { border-bottom: 0; }
  .flow .stage::after { content: "\2193"; right: auto; left: 50%; top: auto; bottom: -9px; transform: translate(-50%, 50%); background: var(--paper); width: auto; padding: 0 4px; }
  .flow .stage:last-child::after { display: none; }
}

/* PROCESS STEPS */
.pf-steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin: 0 0 4px; }
@media (max-width: 1280px) { .pf-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } .pf-step:last-child { grid-column: 1 / -1; } }
@media (max-width: 520px) { .pf-steps { grid-template-columns: minmax(0, 1fr); } }
.pf-step { padding: 22px 20px; background: var(--paper); display: flex; flex-direction: column; gap: 10px; position: relative; min-width: 0; }
.pf-step .pf-when { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase; }
.pf-step .pf-dot { width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--ink); background: var(--paper); }
.pf-step.solid .pf-dot { background: var(--ink); }
.pf-step h3 { margin: 0; font-size: 15px; overflow-wrap: break-word; hyphens: auto; font-weight: 500; letter-spacing: -0.005em; }
.pf-step p { margin: 0; font-size: 12.5px; color: var(--ink-soft); line-height: 1.5; }

/* CASES */
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 0 0 4px; }
@media (max-width: 1180px) { .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 680px) { .case-grid { grid-template-columns: 1fr; } }
.case { border: 1px solid var(--rule); background: var(--paper); display: flex; flex-direction: column; border-radius: 2px; overflow: hidden; }
.case .shot { aspect-ratio: 16 / 10; border-bottom: 1px solid var(--rule); position: relative; display: flex; align-items: center; justify-content: center; background: repeating-linear-gradient(45deg, var(--tint) 0 9px, var(--paper) 9px 18px); overflow: hidden; }
.case .shot .shot-lbl { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.06em; text-transform: uppercase; background: var(--paper); border: 1px solid var(--rule-strong); padding: 5px 10px; border-radius: 2px; }
.case .shot .shot-tag { position: absolute; top: 12px; left: 12px; }
.case .case-body { padding: 20px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.case .case-eye { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.06em; text-transform: uppercase; display: flex; justify-content: space-between; }
.case h3 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 24px; letter-spacing: -0.015em; line-height: 1.14; }
.case p { margin: 0; font-size: 13px; color: var(--ink-soft); line-height: 1.55; }
.case .case-metrics { display: flex; gap: 0; border-top: 1px solid var(--rule); margin-top: auto; }
.case .case-metrics > div { flex: 1; padding: 12px 0; border-right: 1px solid var(--rule); display: flex; flex-direction: column; gap: 2px; }
.case .case-metrics > div:last-child { border-right: 0; }
.case .case-metrics > div + div { padding-left: 16px; }
.case .case-metrics .m-v { font-family: var(--serif); font-size: 24px; line-height: 1; letter-spacing: -0.02em; }
.case .case-metrics .m-l { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.04em; text-transform: uppercase; }
.case .case-tags { display: flex; gap: 6px; flex-wrap: wrap; }

/* the title link covers the whole card */
.case { position: relative; transition: border-color 0.15s; }
.case:hover { border-color: var(--rule-strong); }
.case .case-link { color: inherit; text-decoration: none; }
.case .case-link::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.case .case-link:focus-visible { outline: none; }
.case:has(.case-link:focus-visible) { outline: 2px solid var(--accent); outline-offset: 3px; }
.case .case-more { font-family: var(--mono); font-size: 10.5px; color: var(--accent); letter-spacing: 0.04em; text-transform: uppercase; }
.case:hover .case-more { text-decoration: underline; text-underline-offset: 3px; }

/* CASE STUDY PAGE */
section.block.cs-hero { margin-top: 0; }
.cs-title { font-size: clamp(34px, 4.2vw, 54px); max-width: 20ch; }
.cs-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule); margin: 8px 0 28px; }
.cs-facts > div { padding: 16px 20px 16px 0; border-right: 1px solid var(--rule); min-width: 0; }
.cs-facts > div + div { padding-left: 20px; }
.cs-facts > div:last-child { border-right: 0; }
.cs-facts dt { color: var(--ink-mute); margin-bottom: 6px; }
.cs-facts dd { margin: 0; font-size: 14px; color: var(--ink); line-height: 1.45; }
@media (max-width: 1180px) {
  .cs-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cs-facts > div:nth-child(odd) { padding-left: 0; }
  .cs-facts > div:nth-child(even) { border-right: 0; }
  .cs-facts > div:nth-child(-n + 2) { border-bottom: 1px solid var(--rule); }
}
@media (max-width: 520px) {
  .cs-facts { grid-template-columns: minmax(0, 1fr); }
  .cs-facts > div { border-right: 0; padding-left: 0; border-bottom: 1px solid var(--rule); }
  .cs-facts > div + div { padding-left: 0; }
  .cs-facts > div:last-child { border-bottom: 0; }
}
p.lead.cs-p { margin-bottom: 16px; }
.cs-list { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; max-width: 72ch; }
.cs-list li { display: flex; gap: 10px; align-items: baseline; color: var(--ink-soft); font-size: 15px; }
.cs-list li::before { content: "\2014"; color: var(--accent); flex-shrink: 0; }
.cs-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (max-width: 760px) { .cs-steps { grid-template-columns: minmax(0, 1fr); } }
.cs-steps li { background: var(--paper); padding: 24px 26px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.cs-steps .cs-step-no { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: 0.06em; }
.cs-steps h3 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 24px; letter-spacing: -0.015em; line-height: 1.15; }
.cs-steps p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.6; }
.cs-steps p.cs-report { white-space: pre-wrap; font-size: 13px; }
.cs-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 18px; }
.cs-tags a.chip { text-decoration: none; font-size: 11px; padding: 4px 9px; }
.cs-hero > h1.section-title { margin-bottom: 18px; }
.cs-ask { margin-top: auto; padding: 12px 14px; border-left: 2px solid var(--accent); background: var(--accent-soft); display: flex; flex-direction: column; gap: 6px; }
.cs-ask .mono { font-size: 10px; color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase; }
.cs-ask q { font-size: 14.5px; line-height: 1.5; color: var(--ink); quotes: "«" "»"; }
.kpis.cs-kpis { margin-top: 0; }
.cs-kpis .val { font-size: 38px; }
p.lead.cs-after-kpis { margin-top: 24px; }
.cs-note { color: var(--ink-mute); text-transform: none; letter-spacing: 0.02em; }
.cs-faq { border-top: 1px solid var(--rule-strong); max-width: 80ch; }
.cs-faq details { border-bottom: 1px solid var(--rule); }
.cs-faq summary { list-style: none; cursor: pointer; padding: 18px 36px 18px 0; position: relative; font-size: 16px; font-weight: 500; letter-spacing: -0.005em; }
.cs-faq summary::-webkit-details-marker { display: none; }
.cs-faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-family: var(--mono); font-size: 18px; color: var(--ink-mute); transition: transform 0.2s; }
.cs-faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.cs-faq summary:hover { color: var(--accent); }
.cs-faq details p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.6; margin: -4px 0 18px; }
.cs-more-title { font-family: var(--serif); font-weight: 400; font-size: 26px; letter-spacing: -0.015em; margin: 56px 0 18px; }
.case-grid.cs-more { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 680px) { .case-grid.cs-more { grid-template-columns: 1fr; } }
/* phones: shorter image placeholders and tighter cards */
@media (max-width: 680px) {
  .case .shot { aspect-ratio: 16 / 7; }
  .cs-more-title { margin-top: 44px; font-size: 24px; }
}
@media (max-width: 600px) {
  .cs-steps li { padding: 20px; }
  .cs-steps h3 { font-size: 22px; }
  .cs-kpis .val { font-size: 32px; }
  .cs-faq summary { font-size: 15px; padding: 16px 32px 16px 0; }
  .cs-list li { font-size: 14.5px; }
  .cs-hero .hero-cta .btn { flex: 1 1 auto; justify-content: center; }
}

/* STACK */
.stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--rule); background: var(--paper); }
@media (max-width: 1180px) { .stack-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .stack-grid { grid-template-columns: 1fr; } }
.stack-col { padding: 22px; border-right: 1px solid var(--rule); display: flex; flex-direction: column; gap: 12px; }
.stack-col:last-child { border-right: 0; }
@media (max-width: 1180px) { .stack-col:nth-child(2n) { border-right: 0; } .stack-col:nth-child(-n + 2) { border-bottom: 1px solid var(--rule); } }
@media (max-width: 520px) { .stack-col { border-right: 0; border-bottom: 1px solid var(--rule); } .stack-col:last-child { border-bottom: 0; } }
.stack-col .sc-h { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.06em; text-transform: uppercase; }
.stack-col .sc-list { display: flex; flex-direction: column; gap: 8px; }
.stack-col .sc-list span { font-size: 13.5px; color: var(--ink-soft); display: flex; gap: 8px; align-items: baseline; }
.stack-col .sc-list span::before { content: "\2014"; color: var(--rule-strong); }

/* CONTACT */
.contact-card { border: 1px solid var(--rule-strong); background: var(--paper); padding: 38px 40px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 1180px) { .contact-card { grid-template-columns: 1fr; gap: 24px; padding: 28px; } }
.contact-card .cc-ttl { font-family: var(--serif); font-weight: 400; font-size: clamp(28px, 3vw, 38px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 12px; }
.contact-card p { margin: 0; color: var(--ink-soft); font-size: 14.5px; line-height: 1.6; max-width: 46ch; }
.contact-links { display: flex; flex-direction: column; gap: 10px; }
.contact-links a { display: flex; justify-content: space-between; align-items: center; padding: 13px 16px; border: 1px solid var(--rule); text-decoration: none; color: var(--ink); font-size: 13.5px; transition: border-color 0.15s, background 0.15s; border-radius: 2px; }
.contact-links a:hover { border-color: var(--ink); background: var(--tint); }
.contact-links a .ch { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.04em; text-transform: uppercase; }

footer.colophon { border-top: 1px solid var(--rule-strong); padding: 32px 0 24px; color: var(--ink-mute); font-size: 12px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 64px; font-family: var(--mono); letter-spacing: 0.04em; }

/* REVEAL */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1); }
.js .reveal.in { opacity: 1; transform: translateY(0); }
.js .reveal.shown { opacity: 1; transform: translateY(0); transition: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

/* scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--rule-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-mute); }

/* ============================================================
   MOBILE REFINEMENTS
============================================================ */
@media (max-width: 960px) {
  html, body { overflow-x: hidden; }

  /* collapse the vertical TOC into a sticky horizontal nav strip */
  aside.sidebar {
    position: sticky; top: 55px; z-index: 20;
    max-height: none; overflow: visible;
    border-right: 0; border-bottom: 1px solid var(--rule);
    padding: 0; background: color-mix(in oklab, var(--bg) 92%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
  }
  .side-brand, .toc-meta { display: none; }
  .toc {
    display: flex; gap: 6px; padding: 9px 18px;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    scrollbar-width: none; scroll-padding: 0 18px;
  }
  .toc::-webkit-scrollbar { display: none; }
  .side-link {
    flex: 0 0 auto; margin: 0; padding: 6px 13px;
    border: 1px solid var(--rule); border-radius: 999px;
    white-space: nowrap; font-size: 12px;
  }
  .side-link::before { display: none; }
  .side-link .num { display: none; }
  .side-link.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  html[data-theme="dark"] .side-link.active { color: var(--bg); }

  .diagram { padding: 16px; }
  .orch { padding: 16px 18px; }

  /* clear the sticky topbar + TOC strip when jumping to anchors */
  section.block { scroll-margin-top: 112px; }
}

/* tighten the topbar chrome on phones */
@media (max-width: 600px) {
  .hero-title { font-size: clamp(32px, 9vw, 40px); }
  .hero-sub { font-size: 16px; }
  .callout { font-size: 17px; padding-left: 16px; }
  .contact-card { padding: 22px 18px; }
  .contact-links a { padding: 12px 14px; }
  .case .case-body, .svc { padding-left: 20px; padding-right: 20px; }
  .kpi { padding-right: 12px; }
  .kpi + .kpi { padding-left: 12px; }
  .kpi:nth-child(odd) { padding-left: 0; }
  footer.colophon { flex-direction: column; gap: 8px; margin-top: 48px; }
  .topbar-inner { gap: 12px; }
  .crumbs .sep, #crumb-section, .crumb-trail { display: none; }
  .topbar-right { gap: 10px; }
}
@media (max-width: 380px) {
  .topbar .btn.primary.sm { display: none; }
}

/* CABINET: «Дела» (tasks, reminders, automations with actions) */
.cw-bar { display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.cw-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.cw-tab { font: inherit; font-size: 13px; padding: 8px 14px; border: 1px solid var(--rule-strong); background: transparent; color: var(--ink-soft); cursor: pointer; border-radius: 2px; display: inline-flex; gap: 8px; align-items: center; }
.cw-tab:hover { border-color: var(--ink); color: var(--ink); }
.cw-tab.on { background: var(--ink); border-color: var(--ink); color: var(--paper); }
html[data-theme="dark"] .cw-tab.on { color: var(--bg); }
.cw-count { font-family: var(--mono); font-size: 10px; opacity: 0.75; }
.cw-tools { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.cw select, .cw-dialog select, .cw-dialog input[type="text"], .cw-dialog input[type="datetime-local"], .cw-dialog textarea {
  font: inherit; font-size: 14px; padding: 8px 10px; border: 1px solid var(--rule-strong); background: var(--paper); color: var(--ink); border-radius: 2px; width: 100%; min-width: 0;
}
.cw-tools select { width: auto; }
.cw-list li.cw-attn { box-shadow: inset 3px 0 0 var(--warn); }
.cw-text { white-space: pre-wrap; overflow-wrap: anywhere; }
.cw-facts { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--ink-mute); }
.cw-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.cw-actions .btn { min-height: 36px; }
.btn.cw-danger { color: var(--warn); border-color: var(--warn); }
.btn.cw-danger:hover { background: var(--warn); color: var(--paper); border-color: var(--warn); }
.btn.cw-danger-solid { background: var(--warn); border-color: var(--warn); color: var(--paper); }
.badge.warn { color: var(--warn); border-color: var(--warn); }
.cw-error { color: var(--warn); font-size: 13.5px; margin: 8px 0; overflow-wrap: anywhere; }
.cw-notice { color: var(--ok); font-size: 13.5px; margin: 8px 0; }
.cw-note { color: var(--ink-mute); text-transform: none; }
.cw-projects, .cw-parts { grid-template-columns: minmax(0, 1fr); }
.cw-parts { margin-top: 8px; }
.cw-parts li { padding: 18px 20px; }
.cw-parts h4 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 20px; line-height: 1.2; overflow-wrap: anywhere; }
.cw-history { margin-top: 4px; max-width: none; }
.cw-history summary { font-size: 13px; padding: 10px 28px 10px 0; }
.cw-hist { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.cw-hist li { display: flex; flex-direction: column; gap: 2px; padding: 0; background: none; font-size: 13px; color: var(--ink-soft); }
.cw-hist .mono { color: var(--ink-mute); }
.cw-dialog { border: 1px solid var(--ink); background: var(--paper); color: var(--ink); padding: 0; width: min(520px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); overflow: auto; border-radius: 2px; }
.cw-dialog::backdrop { background: color-mix(in oklab, var(--bg) 60%, black 40%); opacity: 0.85; }
.cw-form { display: flex; flex-direction: column; gap: 14px; padding: 22px; }
.cw-form h3 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 22px; line-height: 1.2; overflow-wrap: anywhere; }
.cw-field { display: flex; flex-direction: column; gap: 6px; }
.cw-field .mono { color: var(--ink-mute); }
.cw-days { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; }
.cw-days legend { padding: 0; margin-bottom: 6px; color: var(--ink-mute); }
.cw-days label { display: inline-flex; gap: 6px; align-items: center; font-size: 14px; }
@media (max-width: 600px) {
  .cw-tab { padding: 9px 12px; }
  .cw-actions .btn { flex: 1 1 auto; justify-content: center; min-height: 40px; }
  .cw-form { padding: 18px; }
  .cw-dialog input, .cw-dialog textarea, .cw-dialog select { font-size: 16px; }
}