/* grady.html and grady-davis.html: Grady's engineering pages. Hand-written, no libraries.
   Static-first: everything reads with no JavaScript and with reduced motion. dev.js adds html.dv-on
   and the interactive layer (terminal typing, tabs, code highlighting, live page meter, reveals). */

.dv { position: relative; z-index: 1; overflow-x: clip; --code-bg: #0a0c0f; --kw: #c6ff3d; --str: #ffb27a; --var: #8fc2ff; --fn: #f2f4f6; --cm: #5d6873; --num: #ff8fb0; }
.dv-wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.dv em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--accent); letter-spacing: -.01em; }
.dv code, .dv kbd { font-family: var(--mono); font-size: .88em; }
.dv-k { font: 500 11px/1.3 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.dv-eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 20px; font: 500 11.5px/1.3 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.dv-eyebrow b { color: var(--accent); font-weight: 500; }
.dv-chip { display: inline-flex; align-items: center; gap: 7px; padding: 6px 11px; border-radius: 999px; border: 1px solid var(--line-2); font: 500 11px/1 var(--mono); letter-spacing: .06em; color: var(--muted); white-space: nowrap; }
.dv-chip i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }
.dv-chip.live i { box-shadow: 0 0 0 0 rgba(198,255,61,.6); animation: dvPing 2.2s ease-out infinite; }
.dv-chip.paused i { background: var(--dim); }
@keyframes dvPing { 70% { box-shadow: 0 0 0 8px rgba(198,255,61,0); } 100% { box-shadow: 0 0 0 0 rgba(198,255,61,0); } }
.dv a.dv-link { color: var(--text); text-decoration: underline; text-decoration-color: rgba(198,255,61,.45); text-underline-offset: 3px; }
.dv a.dv-link:hover { color: var(--accent); }
.dv-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 16px; font: 500 12.5px var(--mono); }
.dv-links a { color: var(--accent); }
.dv-links a::after { content: " ↗"; }
.dv-links a:hover { text-decoration: underline; text-underline-offset: 3px; }
.dv-links span { color: var(--dim); }

/* ---------- Hero ---------- */
.dv-hero { padding: 140px 0 72px; position: relative; }
.dv-hero::before { content: ""; position: absolute; inset: 0 0 -200px; background:
    radial-gradient(600px 380px at 82% 18%, rgba(198,255,61,.08), transparent 70%),
    radial-gradient(500px 360px at 8% 70%, rgba(110,168,255,.06), transparent 70%); pointer-events: none; z-index: -1; }
.dv-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px; -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%); mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%); }
.dv-hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 56px; align-items: center; }
.dv-who { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.dv-who img { width: 52px; height: 52px; border-radius: 14px; object-fit: cover; box-shadow: 0 0 0 1px var(--line-2); }
.dv-name { margin: 0 0 18px; font-size: clamp(56px, 8.4vw, 116px); line-height: .9; letter-spacing: -.06em; font-weight: 600; }
.dv-name span { display: block; }
.dv-name span:last-child { color: transparent; -webkit-text-stroke: 1.4px rgba(242,244,246,.88); }
.dv-role { margin: 0 0 20px; font-size: clamp(21px, 2.3vw, 29px); line-height: 1.22; letter-spacing: -.025em; max-width: 24ch; }
.dv-lede { margin: 0 0 28px; max-width: 58ch; font-size: 16.5px; line-height: 1.65; color: var(--muted); }
.dv-lede strong { color: var(--text); font-weight: 600; }
.dv-ctas { display: flex; flex-wrap: wrap; gap: 10px; }
.dv-meta { display: flex; flex-wrap: wrap; gap: 14px 34px; margin: 34px 0 0; padding-top: 20px; border-top: 1px solid var(--line); }
.dv-meta dt { font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.dv-meta dd { margin: 6px 0 0; font-size: 14.5px; }
.dv-meta a:hover { color: var(--accent); }

/* Terminal */
.dv-term { border-radius: 16px; background: var(--code-bg); border: 1px solid var(--line-2); box-shadow: 0 40px 100px -40px rgba(0,0,0,.9), 0 0 0 1px rgba(0,0,0,.4); overflow: hidden; min-width: 0; }
.dv-term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.02); }
.dv-term-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a2f36; }
.dv-term-bar span { margin-left: 8px; font: 500 11px var(--mono); color: var(--dim); }
.dv-term pre { margin: 0; padding: 18px 18px 22px; font: 400 12.6px/1.75 var(--mono); color: #c9d1d9; overflow-x: auto; white-space: pre; min-height: 330px; }
.dv-term .dv-row { display: block; }
.dv-term .dv-row[hidden] { display: none; }
.dv-term .dv-p { color: var(--accent); user-select: none; }
.dv-term .dv-c { color: var(--text); }
.dv-term .dv-o { color: #8b949e; }
.dv-term .dv-g { color: var(--accent); }
.dv-term .dv-s { color: var(--str); }
.dv-term .cur { display: inline-block; width: .6em; height: 1.1em; vertical-align: -.2em; background: var(--accent); animation: dvBlink 1s steps(1) infinite; }
@keyframes dvBlink { 50% { opacity: 0; } }
.dv-term-note { padding: 10px 18px; border-top: 1px solid var(--line); font: 500 10.5px/1.5 var(--mono); color: var(--dim); }

/* ---------- Stats ---------- */
.dv-stats { padding: 8px 0 24px; }
.dv-stat-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--line); gap: 1px; }
.dv-stat { background: var(--bg); padding: 22px 18px 20px; display: flex; flex-direction: column; gap: 8px; }
.dv-stat b { font-size: clamp(28px, 3vw, 40px); letter-spacing: -.045em; line-height: 1; font-weight: 600; font-variant-numeric: tabular-nums; }
.dv-stat b.acc { color: var(--accent); }
.dv-stat span { font-size: 12.5px; line-height: 1.4; color: var(--muted); }
.dv-stat-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; margin-top: 12px; font: 500 11px/1.5 var(--mono); color: var(--dim); }
.dv-stat-foot code { color: var(--muted); }

/* ---------- Sections ---------- */
.dv-sec { padding: 100px 0; position: relative; }
.dv-sec.alt { background: linear-gradient(180deg, transparent, rgba(255,255,255,.015) 12%, rgba(255,255,255,.015) 88%, transparent); }
.dv-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 20px 48px; align-items: end; margin-bottom: 44px; }
.dv-head .dv-eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.dv-h2 { margin: 0; font-size: clamp(34px, 4.6vw, 60px); line-height: 1; letter-spacing: -.045em; font-weight: 600; }
.dv-sub { margin: 0; font-size: 16px; line-height: 1.65; color: var(--muted); max-width: 52ch; }
.dv-sub strong { color: var(--text); font-weight: 600; }

/* Two kinds of AI work */
.dv-split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.dv-card { position: relative; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(180deg, var(--panel), var(--bg-2)); padding: 28px; min-width: 0; }
.dv-card h3 { margin: 10px 0 10px; font-size: 24px; letter-spacing: -.03em; line-height: 1.15; }
.dv-card > p { margin: 0 0 18px; color: var(--muted); line-height: 1.6; font-size: 15px; }
.dv-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.dv-card li { position: relative; padding-left: 20px; font-size: 14.5px; line-height: 1.55; color: #d5dade; }
.dv-card li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 1.5px; background: var(--accent); }
.dv-card li strong { color: var(--text); font-weight: 600; }
.dv-card .dv-chips { margin-top: 20px; display: flex; }
.dv-card-local { background: linear-gradient(180deg, #11161a, var(--bg-2)); border-color: rgba(110,168,255,.22); }
.dv-card-local .dv-k { color: var(--blue); }
.dv-card-local li::before { background: var(--blue); }
.dv-spec { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 0 0 20px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--line); }
.dv-spec div { background: rgba(7,8,10,.6); padding: 12px 14px; }
.dv-spec dt { font: 500 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.dv-spec dd { margin: 5px 0 0; font-size: 13.5px; line-height: 1.35; }
.dv-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; list-style: none; }
.dv-chips li { padding: 6px 11px !important; border-radius: 999px; border: 1px solid var(--line-2); font-size: 12.5px !important; color: #d5dade; background: rgba(255,255,255,.015); }
.dv-chips li::before { display: none; }

/* Principle callout */
.dv-rule { display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: center; margin-top: 18px; padding: 24px 28px; border-radius: 20px; border: 1px dashed rgba(198,255,61,.35); background: rgba(198,255,61,.035); }
.dv-rule b { font-size: clamp(20px, 2.3vw, 28px); letter-spacing: -.03em; line-height: 1.15; font-weight: 600; max-width: 18ch; }
.dv-rule p { margin: 0; color: var(--muted); line-height: 1.6; font-size: 15px; }

/* ---------- Agents ---------- */
.dv-agents { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 18px; align-items: start; }
.dv-tabs { display: grid; gap: 6px; position: sticky; top: 96px; }
.dv-tab { all: unset; box-sizing: border-box; cursor: pointer; display: grid; gap: 6px; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--line); background: var(--bg-2); transition: border-color .2s, background .2s; }
.dv-tab b { font-size: 15.5px; letter-spacing: -.015em; font-weight: 600; }
.dv-tab span { font: 500 10.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.dv-tab:hover { border-color: var(--line-2); }
.dv-tab[aria-selected="true"] { border-color: rgba(198,255,61,.5); background: linear-gradient(90deg, rgba(198,255,61,.08), var(--bg-2)); }
.dv-tab[aria-selected="true"] span { color: var(--accent); }
.dv-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.dv-panel { border: 1px solid var(--line); border-radius: 20px; background: var(--bg-2); padding: 28px; min-width: 0; }
.dv-panel + .dv-panel { margin-top: 18px; }
html.dv-on .dv-agents .dv-panel + .dv-panel { margin-top: 0; }
.dv-panel[hidden] { display: none; }
.dv-panel-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 20px; align-items: center; margin-bottom: 8px; }
.dv-panel h3 { margin: 0; font-size: 26px; letter-spacing: -.035em; }
.dv-panel > p { margin: 8px 0 22px; color: var(--muted); line-height: 1.6; max-width: 70ch; }
.dv-flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; counter-reset: flow; }
.dv-flow li { position: relative; counter-increment: flow; padding: 16px 14px 15px; border-radius: 14px; border: 1px solid var(--line); background: rgba(7,8,10,.55); min-width: 0; }
.dv-flow li::before { content: counter(flow, decimal-leading-zero); display: block; font: 500 10.5px var(--mono); color: var(--dim); margin-bottom: 9px; }
.dv-flow li:not(:last-child)::after { content: ""; position: absolute; top: 24px; right: -11px; width: 12px; height: 1px; background: var(--line-2); }
.dv-flow b { display: block; font-size: 13.5px; letter-spacing: -.01em; margin-bottom: 6px; }
.dv-flow p { margin: 0; font-size: 12.8px; line-height: 1.5; color: var(--muted); }
.dv-flow code { color: #d5dade; font-size: 11.5px; word-break: break-word; }
.dv-flow .ai { border-color: rgba(110,168,255,.4); background: rgba(110,168,255,.06); }
.dv-flow .ai::before { color: var(--blue); content: counter(flow, decimal-leading-zero) " · model"; }
.dv-flow .rule { border-color: rgba(198,255,61,.3); }
.dv-flow .rule::before { color: var(--accent); content: counter(flow, decimal-leading-zero) " · code"; }
.dv-flow .human { border-color: rgba(255,92,138,.35); }
.dv-flow .human::before { color: var(--pink); content: counter(flow, decimal-leading-zero) " · human"; }
html.dv-on .dv-flow li { opacity: 0; transform: translateY(8px); transition: opacity .45s var(--ease), transform .45s var(--ease); transition-delay: calc(var(--i, 0) * 70ms); }
html.dv-on .dv-panel.shown .dv-flow li { opacity: 1; transform: none; }
.dv-legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 18px; font: 500 11px var(--mono); color: var(--dim); }
.dv-legend span::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 7px; vertical-align: -1px; border: 1px solid; }
.dv-legend .l-ai::before { border-color: var(--blue); background: rgba(110,168,255,.2); }
.dv-legend .l-rule::before { border-color: var(--accent); background: rgba(198,255,61,.15); }
.dv-legend .l-human::before { border-color: var(--pink); background: rgba(255,92,138,.15); }

/* ---------- Systems ---------- */
.dv-sys { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; }
.dv-sys > article { grid-column: span 4; border: 1px solid var(--line); border-radius: 18px; background: var(--bg-2); padding: 22px; display: flex; flex-direction: column; min-width: 0; transition: border-color .2s, transform .3s var(--ease); }
.dv-sys > article:hover { border-color: var(--line-2); }
.dv-sys > article.wide { grid-column: span 6; }
.dv-sys > article.q { grid-column: span 3; }
.dv-sys .shot { margin: -22px -22px 18px; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 17px 17px 0 0; border-bottom: 1px solid var(--line); background: #0d1013; }
.dv-sys .shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.dv-sys h3 { margin: 6px 0 8px; font-size: 19px; letter-spacing: -.025em; line-height: 1.2; }
.dv-sys p { margin: 0 0 12px; font-size: 14px; line-height: 1.55; color: var(--muted); }
.dv-sys ul { margin: 0 0 14px; padding: 0; list-style: none; display: grid; gap: 7px; }
.dv-sys li { position: relative; padding-left: 16px; font-size: 13.5px; line-height: 1.5; color: #d0d6db; }
.dv-sys li::before { content: "›"; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); }
.dv-stack { margin-top: auto; display: flex; flex-wrap: wrap; gap: 5px; padding-top: 6px; }
.dv-stack span { font: 500 10.5px var(--mono); padding: 4px 8px; border-radius: 6px; background: rgba(255,255,255,.04); border: 1px solid var(--line); color: var(--muted); }
.dv-tag { font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.dv-tag.concept { color: var(--violet); }

/* ---------- Code viewer ---------- */
.dv-code { border: 1px solid var(--line-2); border-radius: 18px; overflow: hidden; background: var(--code-bg); }
.dv-code-tabs { display: flex; overflow-x: auto; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.015); scrollbar-width: none; }
.dv-code-tabs::-webkit-scrollbar { display: none; }
.dv-code-tab { all: unset; box-sizing: border-box; cursor: pointer; padding: 14px 18px; font: 500 12px var(--mono); color: var(--dim); border-right: 1px solid var(--line); white-space: nowrap; position: relative; }
.dv-code-tab[aria-selected="true"] { color: var(--text); background: var(--code-bg); }
.dv-code-tab[aria-selected="true"]::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--accent); }
.dv-code-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.dv-code-panel { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }
.dv-code-panel + .dv-code-panel { border-top: 1px solid var(--line); }
html.dv-on .dv-code-panel + .dv-code-panel { border-top: 0; }
.dv-code-panel[hidden] { display: none; }
.dv-code pre { margin: 0; padding: 20px 0; font: 400 12.4px/1.72 var(--mono); color: #c9d1d9; overflow-x: auto; counter-reset: ln; tab-size: 4; border-right: 1px solid var(--line); min-width: 0; }
.dv-code pre:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.dv-code pre code { display: block; font-size: inherit; }
.dv-code .ln { display: block; padding: 0 20px 0 0; white-space: pre; }
.dv-code .ln::before { counter-increment: ln; content: counter(ln); display: inline-block; width: 3.2em; padding-right: 1.2em; text-align: right; color: #3a424b; user-select: none; }
.dv-code .t-kw { color: var(--kw); }
.dv-code .t-str { color: var(--str); }
.dv-code .t-var { color: var(--var); }
.dv-code .t-fn { color: #fff; font-weight: 500; }
.dv-code .t-cm { color: var(--cm); font-style: italic; }
.dv-code .t-num { color: var(--num); }
.dv-code-note { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.dv-code-note .path { font: 500 11px/1.4 var(--mono); color: var(--dim); word-break: break-all; }
.dv-code-note h3 { margin: 0; font-size: 20px; letter-spacing: -.025em; line-height: 1.2; }
.dv-code-note p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--muted); }
.dv-code-note ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.dv-code-note li { position: relative; padding-left: 16px; font-size: 13.5px; line-height: 1.5; color: #d0d6db; }
.dv-code-note li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-size: 11px; top: 2px; }
.dv-code-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; padding: 13px 20px; border-top: 1px solid var(--line); font: 500 11px/1.5 var(--mono); color: var(--dim); }
.dv-code-foot a { color: var(--accent); }

/* ---------- How I build ---------- */
.dv-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); counter-reset: st; }
.dv-steps li { counter-increment: st; padding: 26px 22px 6px 0; position: relative; }
.dv-steps li + li { padding-left: 22px; border-left: 1px solid var(--line); }
.dv-steps li::before { content: counter(st, decimal-leading-zero); display: block; font: 500 12px var(--mono); color: var(--accent); margin-bottom: 16px; }
.dv-steps b { display: block; font-size: 19px; letter-spacing: -.025em; margin-bottom: 8px; }
.dv-steps p { margin: 0; font-size: 14px; line-height: 1.58; color: var(--muted); }
.dv-steps code { color: #d5dade; }
.dv-honest { margin-top: 36px; display: grid; grid-template-columns: auto 1fr; gap: 18px; padding: 22px 24px; border-radius: 16px; background: var(--bg-2); border: 1px solid var(--line); }
.dv-honest .dv-k { color: var(--accent); padding-top: 3px; }
.dv-honest p { margin: 0; font-size: 15.5px; line-height: 1.62; color: #d5dade; max-width: 82ch; }

/* ---------- Languages + live meter ---------- */
.dv-proof { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.dv-langs { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.dv-card .dv-langs li { padding-left: 0; }
.dv-card .dv-langs li::before { display: none; }
.dv-langs li { display: grid; grid-template-columns: 92px minmax(0, 1fr) 96px; gap: 12px; align-items: center; }
.dv-lang-k { font-size: 13.5px; }
.dv-lang-bar { height: 8px; border-radius: 99px; background: rgba(255,255,255,.05); overflow: hidden; }
.dv-lang-bar i { display: block; height: 100%; width: var(--w); min-width: 3px; border-radius: inherit; background: linear-gradient(90deg, var(--accent), #e7ff9e); }
html.dv-on .dv-lang-bar i { transform: scaleX(0); transform-origin: left; transition: transform 1s var(--ease); }
html.dv-on .dv-langs.shown .dv-lang-bar i { transform: none; }
.dv-langs li:nth-child(2) .dv-lang-bar i { background: linear-gradient(90deg, var(--blue), #b9d5ff); }
.dv-langs li:nth-child(3) .dv-lang-bar i { background: linear-gradient(90deg, var(--pink), #ffc0d2); }
.dv-langs li:nth-child(4) .dv-lang-bar i { background: linear-gradient(90deg, var(--cyan), #b5fff7); }
.dv-langs li:nth-child(n+5) .dv-lang-bar i { background: var(--violet); }
.dv-lang-v { font: 500 12px var(--mono); text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.dv-lang-v small { margin-left: 7px; color: var(--dim); font-size: 11px; }
.dv-meter { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin: 0 0 16px; }
.dv-meter div { background: rgba(7,8,10,.7); padding: 14px 16px; }
.dv-meter dt { font: 500 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.dv-meter dd { margin: 6px 0 0; font-size: 22px; letter-spacing: -.035em; font-weight: 600; font-variant-numeric: tabular-nums; }
.dv-meter dd small { font-size: 12px; color: var(--muted); font-weight: 400; letter-spacing: 0; margin-left: 4px; }
.dv-small { font-size: 13px; line-height: 1.6; color: var(--dim); margin: 0; }

/* ---------- Experience ---------- */
.dv-tl { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.dv-tl > li { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 32px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.dv-when b { display: block; font: 500 12.5px var(--mono); letter-spacing: .04em; color: var(--text); }
.dv-when span { display: block; margin-top: 6px; font-size: 13px; color: var(--dim); }
.dv-what h3 { margin: 0; font-size: 21px; letter-spacing: -.025em; }
.dv-what .org { margin: 5px 0 12px; color: var(--muted); font-size: 14.5px; }
.dv-what ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.dv-what li { position: relative; padding-left: 18px; font-size: 14.5px; line-height: 1.58; color: #d0d6db; max-width: 78ch; }
.dv-what li::before { content: ""; position: absolute; left: 0; top: .66em; width: 7px; height: 1.5px; background: var(--accent); }
.dv-what strong { color: var(--text); font-weight: 600; }
.dv-tl > li.hot .dv-when b { color: var(--accent); }
.dv-before { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.dv-before div { border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: rgba(255,255,255,.012); }
.dv-before b { display: block; font-size: 14px; letter-spacing: -.01em; }
.dv-before span { display: block; font-size: 12.5px; color: var(--muted); margin-top: 3px; line-height: 1.4; }
.dv-before i { display: block; font: 500 10.5px var(--mono); font-style: normal; color: var(--dim); margin-top: 8px; }

/* ---------- Skills ---------- */
.dv-skills { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.dv-skills > div { border: 1px solid var(--line); border-radius: 18px; padding: 22px; background: var(--bg-2); }
.dv-skills h3 { margin: 0 0 14px; font-size: 16px; letter-spacing: -.015em; display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.dv-skills h3 span { font: 500 10.5px var(--mono); letter-spacing: .08em; color: var(--dim); text-transform: uppercase; }
.dv-skills .local { border-color: rgba(110,168,255,.22); }

/* ---------- Roles ---------- */
.dv-roles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.dv-roles article { border: 1px solid var(--line); border-radius: 18px; padding: 22px; background: var(--bg-2); }
.dv-roles h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -.02em; }
.dv-roles p { margin: 0; font-size: 14px; line-height: 1.58; color: var(--muted); }

/* ---------- Close ---------- */
.dv-end { padding: 110px 0 120px; text-align: center; }
.dv-end h2 { margin: 0 0 18px; font-size: clamp(54px, 9vw, 128px); line-height: .9; letter-spacing: -.065em; font-weight: 600; }
.dv-end p { margin: 0 auto 30px; max-width: 54ch; font-size: 16.5px; line-height: 1.6; color: var(--muted); }
.dv-end .dv-ctas { justify-content: center; }
.dv-end .dv-chip { margin-bottom: 26px; }

/* ---------- Reveals (motion layer only) ---------- */
html.dv-on .dv-rv { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.dv-on .dv-rv.shown { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .dv-stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dv-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv-flow li:not(:last-child)::after { display: none; }
  .dv-sys > article, .dv-sys > article.wide, .dv-sys > article.q { grid-column: span 6; }
.dv-sys > article.q { grid-column: span 3; }
  .dv-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv-steps li, .dv-steps li + li { padding: 22px 18px 18px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .dv-steps li:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--line); }
  .dv-before { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dv-skills, .dv-roles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .dv-hero { padding: 116px 0 56px; }
  .dv-hero-grid, .dv-head, .dv-split, .dv-proof { grid-template-columns: minmax(0, 1fr); }
  .dv-head { gap: 16px; }
  .dv-agents { grid-template-columns: minmax(0, 1fr); }
  .dv-tabs { position: static; grid-auto-flow: column; grid-auto-columns: minmax(172px, 1fr); overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
  .dv-code-panel { grid-template-columns: minmax(0, 1fr); }
  .dv-code pre { border-right: 0; border-bottom: 1px solid var(--line); }
  .dv-tl > li { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .dv-rule { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .dv-sec { padding: 76px 0; }
}
@media (max-width: 640px) {
  .dv-wrap { padding: 0 16px; }
  .dv-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dv-stat { padding: 18px 14px; }
  .dv-flow { grid-template-columns: minmax(0, 1fr); }
  .dv-sys > article, .dv-sys > article.wide, .dv-sys > article.q { grid-column: 1 / -1; }
  .dv-steps { grid-template-columns: minmax(0, 1fr); }
  .dv-steps li:nth-child(even) { padding-left: 0; border-left: 0; }
  .dv-before, .dv-skills, .dv-roles { grid-template-columns: minmax(0, 1fr); }
  .dv-spec { grid-template-columns: minmax(0, 1fr); }
  .dv-card, .dv-panel { padding: 22px 18px; }
  .dv-term pre { font-size: 11.4px; min-height: 0; padding: 14px; }
  .dv-code pre { font-size: 11.4px; }
  .dv-langs li { grid-template-columns: 78px minmax(0, 1fr) 84px; gap: 10px; }
  .dv-honest { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .dv-name span:last-child { -webkit-text-stroke-width: 1.1px; }
}
@media (prefers-reduced-motion: reduce) {
  .dv *, .dv *::before, .dv *::after { animation: none !important; transition: none !important; }
}

/* ---------- Without JavaScript: every panel shows, stacked; the tab buttons are hidden ---------- */
html:not(.dv-on) .dv [role="tablist"] { display: none; }
html:not(.dv-on) .dv-agents { grid-template-columns: minmax(0, 1fr); }
html:not(.dv-on) .dv [role="tabpanel"][hidden] { display: grid; }
html:not(.dv-on) .dv-agents [role="tabpanel"][hidden] { display: block; }
.dv-code-label { display: none; }
html:not(.dv-on) .dv-code-label { display: block; padding: 12px 20px; border-bottom: 1px solid var(--line); font: 500 12px var(--mono); color: var(--text); grid-column: 1 / -1; }

/* Case study link card (grady-davis.html, end of the systems grid) */
.dv-sys > .dv-cs { grid-column: 1 / -1; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px 28px; align-items: center; padding: 26px 28px; border-radius: 18px; border: 1px solid rgba(198,255,61,.35); background: linear-gradient(90deg, rgba(198,255,61,.07), var(--bg-2) 60%); transition: border-color .2s, transform .3s var(--ease); }
.dv-sys > .dv-cs:hover { border-color: var(--accent); }
.dv-sys > .dv-cs:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.dv-cs b { font-size: 22px; letter-spacing: -.03em; line-height: 1.15; }
.dv-cs p { margin: 0; grid-column: 2; font-size: 14.5px; line-height: 1.55; color: var(--muted); }
.dv-cs .dv-tag { grid-row: 1 / span 2; }
.dv-cs-go { grid-row: 1 / span 2; grid-column: 3; font: 500 13px var(--mono); color: var(--accent); white-space: nowrap; }
@media (max-width: 900px) {
  .dv-sys > .dv-cs { grid-template-columns: minmax(0, 1fr); padding: 22px; }
  .dv-cs .dv-tag, .dv-cs p, .dv-cs-go { grid-row: auto; grid-column: auto; }
}

/* ---------- Case study (syndicate-case-study.html) ---------- */
.dv-crumbs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 26px; font: 500 12px var(--mono); color: var(--dim); }
.dv-crumbs a { color: var(--muted); text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 3px; }
.dv-crumbs a:hover { color: var(--accent); }
.dv-cs-title { font-size: clamp(48px, 7.4vw, 104px); }
.dv-cs-title span { color: var(--text) !important; -webkit-text-stroke: 0 !important; }
.dv-cs-title em { display: block; font-size: 1.04em; line-height: .95; }
.dv-cs-hero .dv-lede { max-width: 66ch; }
.dv-flow-six { grid-template-columns: repeat(6, minmax(0, 1fr)); }
html.dv-on .dv-flow.shown li { opacity: 1; transform: none; }
.dv-cs-copy .dv-h2 { margin-bottom: 20px; }
.dv-cs-copy .dv-sub + .dv-sub { margin-top: 14px; }
.dv-checks { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 0; counter-reset: ck; }
.dv-card .dv-checks li { counter-increment: ck; padding: 12px 0 12px 38px; border-top: 1px solid var(--line); font-size: 14.5px; }
.dv-card .dv-checks li:first-child { border-top: 0; }
.dv-card .dv-checks li::before { content: "✓"; width: 22px; height: 22px; top: 11px; left: 0; border-radius: 7px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-size: 12px; }
.dv-roles article .dv-tag { display: block; margin-bottom: 10px; }
.dv-trade { margin-top: 14px !important; padding-top: 12px; border-top: 1px dashed var(--line-2); font-size: 13.5px !important; }
.dv-trade b { display: block; font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--pink); margin-bottom: 4px; }
.dv-sec > .dv-wrap > .dv-links { margin-top: 22px; }
@media (max-width: 1080px) { .dv-flow-six { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 640px) { .dv-flow-six { grid-template-columns: minmax(0, 1fr); } }