/* Hermes Grows. Monochrome, one stylesheet, mobile first. Instrument Serif for display, Geist for text,
   Geist Mono for labels and data. Motion is part of the identity: rings draw and turn, numbers count,
   memory cells fill, panels rise into view. Everything respects prefers-reduced-motion. */
:root {
  --bg: #0e0f0e;
  --card: #131413;
  --raised: #1a1b1a;
  --fg: #f2f0ea;
  --muted: #8d8c84;
  --dim: #83837b;
  --rule: #5b5b55;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.2);
  --grid: rgba(255, 255, 255, 0.045);
  --danger: #e25a45;
  --display: "Instrument Serif", "Times New Roman", serif;
  --sans: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --gutter: 18px;
  --top: 60px;
  --max: 1200px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--bg); color: var(--fg); -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--top) + 48px); }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 15px/1.6 var(--sans); overflow-x: hidden; }
a { color: var(--fg); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 0.2em; }
a:hover { text-decoration-color: var(--fg); }
:focus-visible { outline: 1px solid var(--fg); outline-offset: 2px; }
h1, h2, h3 { margin: 0; font-weight: 400; line-height: 1.1; }
p { margin: 0 0 12px; }
button { font: inherit; color: inherit; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.label { font: 500 11px/1.4 var(--mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); }
.skip { position: absolute; left: -999px; top: 8px; z-index: 200; background: var(--card); padding: 8px 12px; }
.skip:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Loading curtain: lifted by .is-loaded, and by CSS alone after 2.5 s if the script never runs. */
.curtain { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; background: var(--bg);
  transition: opacity 0.4s ease, visibility 0.4s; animation: curtain-off 0.4s ease 2.5s forwards; }
.curtain__mark { width: 96px; height: 96px; display: block; animation: breathe 1.6s ease-in-out infinite; }
/* Film grain over everything: ties the grainy artwork and the flat UI together. Static SVG noise, no JS. */
body::after { content: ""; position: fixed; inset: 0; z-index: 95; pointer-events: none; opacity: 0.045; mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.is-loaded .curtain, .no-js .curtain { opacity: 0; visibility: hidden; pointer-events: none; }
@keyframes curtain-off { to { opacity: 0; visibility: hidden; } }
@keyframes breathe { 50% { transform: scale(0.86); opacity: 0.6; } }

.banner { position: sticky; top: 0; z-index: 60; margin: 0; padding: 7px var(--gutter); background: var(--fg); color: var(--bg);
  font: 500 11px/1.4 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; text-align: center; }
.banner a { color: inherit; }
.banner--local { background: var(--raised); color: var(--fg); border-bottom: 1px solid var(--line); }

/* Top bar */
.top { position: sticky; top: 0; z-index: 50; height: var(--top); display: flex; align-items: center; gap: 16px; padding: 0 var(--gutter);
  background: rgba(14, 15, 14, 0.86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 400 22px/1 var(--display); letter-spacing: 0.01em; white-space: nowrap; flex: none; }
.mark { width: 34px; height: 34px; display: inline-block; }
.mark svg, .mark img { width: 100%; height: 100%; display: block; }
.nav { display: none; gap: 2px; margin-left: 8px; }
.nav a { padding: 8px 8px; color: var(--muted); text-decoration: none; font: 500 11px/1.2 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; border-bottom: 1px solid transparent; white-space: nowrap; }
.nav a:hover { color: var(--fg); }
.nav a.is-active { color: var(--fg); border-bottom-color: var(--fg); }
.top__spacer { flex: 1; }
.pill { display: inline-flex; align-items: center; gap: 8px; min-width: 0; font: 500 11px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.pill > span:last-child { overflow: hidden; text-overflow: ellipsis; }
.clock { display: none; font: 500 11px/1 var(--mono); letter-spacing: 0.16em; color: var(--muted); white-space: nowrap; }
.top__menu { display: inline-grid; place-items: center; width: 38px; height: 38px; background: none; border: 1px solid var(--line); cursor: pointer; flex: none; }
.top__menu svg { width: 16px; height: 16px; }
.menu { position: fixed; top: var(--top); left: 0; right: 0; z-index: 49; display: none; flex-direction: column; background: var(--card); border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 14px; }
.menu.is-open { display: flex; }
.menu a { padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--fg); text-decoration: none; font: 500 12px/1.2 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; }

.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--rule); flex: none; }
.dot--on { background: var(--fg); box-shadow: 0 0 0 3px rgba(242, 240, 234, 0.14); }
.dot--off { background: var(--danger); }
.dot--pulse { animation: dot-pulse 1.6s ease-in-out infinite; }
@keyframes dot-pulse { 50% { opacity: 0.35; } }

/* Ticker: the memo texts that are actually on chain */
.ticker { overflow: hidden; border-bottom: 1px solid var(--line); background: var(--card); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.ticker__track { display: flex; gap: 56px; width: max-content; padding: 8px 0; font: 400 11px/1.4 var(--mono); color: var(--muted); white-space: nowrap; animation: ticker 70s linear infinite; }
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__track span b { color: var(--fg); font-weight: 500; }
@keyframes ticker { to { transform: translateX(-50%); } }

.main { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter) 60px; }
.live-status:empty { display: none; }
.live-status { font: 400 12px/1.6 var(--mono); color: var(--muted); margin: 0 0 8px; }
.boot-failed [data-live]:empty::before { content: "source unavailable: the page script did not start"; }
.boot-failed .live-status:empty { display: block; }
.src { font: 400 11px/1.6 var(--mono); color: var(--dim); overflow-wrap: anywhere; margin: 0; }
.src a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); }
.src a:hover { color: var(--fg); }

/* Hero */
.hero { display: grid; gap: 28px; padding: 44px 0 32px; align-items: center; overflow-x: clip; }
.hero--parallax .hero__mark img { transform: translate(calc(var(--mx, 0) * 10px), calc(var(--my, 0) * 10px)); transition: transform 0.25s ease-out; }
.hero--parallax .hero__figure svg { transform: translate(calc(var(--mx, 0) * -6px), calc(var(--my, 0) * -6px)); }
.eyebrow { margin-bottom: 20px; }
.hero h1 { font: 400 clamp(64px, 13vw, 132px)/0.9 var(--display); letter-spacing: -0.025em; margin: 0 0 24px; }
.hero h1 .w { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.06em; }
.hero h1 .w span { display: inline-block; transform: translateY(110%); animation: rise 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; animation-delay: calc(var(--i) * 0.12s + 0.1s); }
.hero h1 em { font-style: italic; color: var(--fg); }
.no-js .hero h1 .w span { transform: none; animation: none; }
@keyframes rise { to { transform: translateY(0); } }
.lede { font: 300 18px/1.55 var(--sans); color: var(--muted); max-width: 32em; }
.note { font: 400 13px/1.6 var(--mono); color: var(--muted); border-left: 1px solid var(--fg); padding-left: 12px; max-width: 48em; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 18px; }
.hero__cta .btn--primary::after { content: "→"; font-size: 14px; margin-left: 2px; transition: transform 0.2s; }
.hero__cta .btn--primary:hover::after { transform: translateX(3px); }
.hero__next { font: 400 12px/1.6 var(--mono); color: var(--muted); margin: 0; }
.hero__next b { color: var(--fg); font-weight: 500; font-variant-numeric: tabular-nums; }
.hero__figure { position: relative; width: min(360px, 82vw); aspect-ratio: 1; margin: 0 auto; }
.hero__figure svg { position: absolute; inset: -9%; width: 118%; height: 118%; opacity: 0.38; }
.hero__figure::before { content: ""; position: absolute; inset: -18%; border-radius: 50%; background: radial-gradient(circle, rgba(242, 240, 234, 0.1), transparent 60%); pointer-events: none; }
.hero__mark { position: relative; display: block; width: 100%; aspect-ratio: 1; transform: translateY(12px) scale(0.97); animation: mark-in 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; }
.hero__mark img { width: 100%; height: 100%; display: block; filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.55)); }
.no-js .hero__mark { transform: none; animation: none; }
@keyframes mark-in { to { transform: none; } }
.hero__day { position: absolute; left: 2%; bottom: 4%; display: grid; gap: 0; padding: 8px 14px 10px; border: 1px solid var(--line-strong); background: rgba(14, 15, 14, 0.72); backdrop-filter: blur(8px); pointer-events: none; }
.hero__num { font: 400 clamp(36px, 7vw, 52px)/1 var(--display); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.hero__figure.is-tick .hero__mark img { animation: tick 1.1s ease-out; }
@keyframes tick { 20% { transform: scale(1.03); filter: drop-shadow(0 0 28px rgba(242, 240, 234, 0.6)); } }

/* Rings (shared by hero, proof, strip, brand) */
.rings__seed { fill: var(--fg); }
.rings__ring { stroke: var(--fg); }
.rings__ring--latest { stroke: #ffffff; }
.rings__ring--pending, .rings__ring--future { stroke: var(--muted); }
.rings--animate .rings__ring:not(.rings__ring--pending):not(.rings__ring--future) { stroke-dasharray: 1 1; stroke-dashoffset: 1; stroke-linecap: butt; }
.is-visible .rings--animate .rings__ring:not(.rings__ring--pending):not(.rings__ring--future) { animation: ring-draw 1s ease-out forwards; animation-delay: calc(var(--i) * 0.16s); }
.rings--animate .rings__ring--pending, .rings--animate .rings__ring--future { opacity: 0; }
.is-visible .rings--animate .rings__ring--pending, .is-visible .rings--animate .rings__ring--future { animation: fade-in 0.6s ease-out forwards; animation-delay: calc(var(--i) * 0.16s); }
@keyframes ring-draw { 99% { stroke-dashoffset: 0; stroke-dasharray: 1 1; stroke-linecap: butt; } 100% { stroke-dashoffset: 0; stroke-dasharray: none; stroke-linecap: round; } }
@keyframes fade-in { to { opacity: 1; } }
.rings--spin .rings__ring { transform-box: view-box; transform-origin: 50px 50px; }
.is-visible .rings--spin .rings__ring { animation-name: ring-draw, spin; animation-duration: 1s, calc(46s + var(--i) * 14s); animation-timing-function: ease-out, linear;
  animation-iteration-count: 1, infinite; animation-fill-mode: forwards, none; animation-delay: calc(var(--i) * 0.16s), 0s; }
.is-visible .rings--spin .rings__ring:nth-child(even) { animation-direction: normal, reverse; }
.is-visible .rings--spin .rings__ring--pending, .is-visible .rings--spin .rings__ring--future { animation-name: fade-in, spin; animation-duration: 0.6s, 80s; animation-iteration-count: 1, infinite; animation-fill-mode: forwards, none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Stats with memory cells */
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--line); margin: 20px 0 0;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 40px 40px; }
.stat { position: relative; padding: 20px 20px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; transition: background 0.25s; }
.stat::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1px; background: var(--fg); transform: scaleX(0); transform-origin: left; transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1); }
.stat:hover { background: rgba(255, 255, 255, 0.025); }
.stat:hover::before { transform: scaleX(1); }
.stat:nth-child(2n) { border-right: 0; }
.stat:nth-last-child(-n+2) { border-bottom: 0; }
.stat__value { font: 400 52px/1 var(--display); margin: 12px 0 8px; letter-spacing: -0.015em; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.stat__value small { font: 400 14px/1 var(--mono); color: var(--muted); margin-left: 6px; }
.stat__value--hash { font: 500 17px/1.3 var(--mono); padding: 8px 0 6px; }
.stat__sub { font: 400 12px/1.5 var(--mono); color: var(--muted); margin: 0; min-height: 1.5em; }
.stat .src { margin-top: 8px; }
.cells { display: grid; grid-template-columns: repeat(auto-fill, minmax(8px, 1fr)); gap: 3px; margin: 6px 0 10px; }
.cells i { display: block; height: 10px; background: var(--line); transition: background 0.3s ease; transition-delay: calc(var(--i) * 7ms); }
.cells.is-on i.on { background: var(--fg); }
.meter-note { font: 400 12px/1.5 var(--mono); color: var(--muted); margin: 0 0 8px; }

/* Day strip */
.strip { display: flex; gap: 10px; overflow-x: auto; padding: 22px 0 8px; scrollbar-width: none; }
.strip::-webkit-scrollbar { display: none; }
.strip a { flex: none; width: 64px; text-align: center; text-decoration: none; color: var(--muted); font: 500 10px/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.strip a svg { width: 52px; height: 52px; display: block; margin: 0 auto 6px; opacity: 0.6; transition: opacity 0.2s, transform 0.3s; }
.strip a:hover svg, .strip a.is-current svg { opacity: 1; transform: scale(1.1); }
.strip a.is-current { color: var(--fg); }
.strip a.is-pending svg { opacity: 0.35; }

/* Panels */
.main { counter-reset: panel; }
.panel { position: relative; border: 1px solid var(--line); background: var(--card); margin: 28px 0 0; scroll-margin-top: calc(var(--top) + 24px); opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1); counter-increment: panel; }
.panel::before { content: ""; position: absolute; left: -1px; right: -1px; top: -1px; height: 1px; background: var(--fg); transform: scaleX(0); transform-origin: left; transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) 0.1s; }
.panel.in, .no-js .panel { opacity: 1; transform: none; }
.panel.in::before { transform: scaleX(1); }
.panel__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 16px; padding: 18px 22px 14px; border-bottom: 1px solid var(--line); }
.panel__head h2 { font: 400 28px/1.1 var(--display); letter-spacing: -0.01em; }
.panel__head h2::before { content: counter(panel, decimal-leading-zero); font: 500 11px/1 var(--mono); letter-spacing: 0.2em; color: var(--dim); margin-right: 14px; vertical-align: 0.45em; }
.panel__head h2 em { font-style: italic; color: var(--muted); }
.panel__meta { font: 400 11px/1.4 var(--mono); letter-spacing: 0.06em; color: var(--dim); }
.panel__body { padding: 20px 22px; }
.panel__body > p:first-child { color: var(--muted); max-width: 48em; }
.panel__foot { padding: 12px 22px; border-top: 1px solid var(--line); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 8px 18px; background: transparent; border: 1px solid var(--line-strong);
  color: var(--fg); font: 500 12px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; text-decoration: none; cursor: pointer; white-space: nowrap; transition: background 0.2s, border-color 0.2s, transform 0.2s; }
.btn:hover { background: var(--raised); border-color: var(--fg); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.btn--primary:hover { background: #fff; }
.btn--small { min-height: 32px; padding: 6px 12px; font-size: 11px; }
.btn[disabled] { opacity: 0.45; cursor: progress; }
.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0 0 16px; }
select, textarea, input { font: 400 13px/1.4 var(--mono); color: var(--fg); background: var(--bg); border: 1px solid var(--line-strong); padding: 9px 12px; max-width: 100%; }
select { min-height: 42px; }
.chip { display: inline-block; font: 500 10px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; padding: 5px 8px; background: var(--raised); color: var(--fg); white-space: nowrap; }
.chip--solid { background: var(--fg); color: var(--bg); }
.chip--dim { color: var(--muted); }
.chip--bad { color: var(--danger); outline: 1px solid var(--danger); background: none; }

/* Mind */
.tabs { display: flex; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tabs [role="tab"] { background: none; border: 0; border-bottom: 1px solid transparent; margin-bottom: -1px; padding: 12px 16px; cursor: pointer;
  font: 500 11px/1.4 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.tabs [aria-selected="true"] { color: var(--fg); border-bottom-color: var(--fg); }
.file-head { display: flex; flex-wrap: wrap; gap: 4px 16px; align-items: baseline; padding: 12px 20px 0; font: 400 11px/1.6 var(--mono); color: var(--muted); }
.file-head a { margin-left: auto; color: var(--muted); }
.file { margin: 0; padding: 14px 22px 20px; font: 400 13.5px/1.7 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; min-height: 8em; counter-reset: entry; }
.file .sect { display: none; }
.file .entry { display: block; position: relative; padding: 12px 16px 12px 60px; border: 1px solid var(--line); margin: 0 0 8px; background: var(--bg); animation: entry-in 0.5s ease both; animation-delay: calc(var(--i) * 60ms); counter-increment: entry; transition: border-color 0.2s; }
.file .entry::before { content: "§ " counter(entry, decimal-leading-zero); position: absolute; left: 14px; top: 13px; font: 500 11px/1.5 var(--mono); letter-spacing: 0.1em; color: var(--dim); }
.file .entry:hover { border-color: var(--line-strong); }
.file .entry:only-child { padding-left: 16px; }
.file .entry:only-child::before { content: none; }
.no-js .file .entry { animation: none; }
@keyframes entry-in { from { opacity: 0; } }
pre { margin: 0; }
.cli pre { position: relative; font: 400 12.5px/1.8 var(--mono); background: #090a09; border: 1px solid var(--line); padding: 40px 16px 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
.cli pre::before { content: "terminal"; position: absolute; left: 0; right: 0; top: 0; padding: 7px 14px; border-bottom: 1px solid var(--line); font: 500 10px/1.2 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--dim); }
.cli code { display: block; }
.cli code::before { content: "$ "; color: var(--dim); }

/* Learned / forgot */
.diff { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.diff__col { background: var(--card); padding: 14px 18px; min-width: 0; }
.diff__col h3 { font: 500 11px/1.4 var(--mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; display: flex; justify-content: space-between; }
.diff__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.diff__col li { display: grid; grid-template-columns: 14px minmax(0, 1fr); gap: 10px; font-size: 14px; overflow-wrap: anywhere; animation: entry-in 0.5s ease both; animation-delay: calc(var(--i) * 70ms); }
.diff__col li::before { font: 500 14px/1.6 var(--mono); }
.diff__col--learned li::before { content: "+"; color: var(--fg); }
.diff__col--forgot li::before { content: "−"; color: var(--danger); }
.diff__col--forgot li { color: var(--muted); }
.diff__col li.empty { display: block; color: var(--dim); font: 400 12px/1.6 var(--mono); animation: none; }
.diff__col li.empty::before { content: none; }
.tag { font: 500 9px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); border: 1px solid var(--line); padding: 3px 5px; margin-left: 8px; white-space: nowrap; vertical-align: 2px; }

/* Proof */
.timeline { display: grid; gap: 20px; }
.timeline__rings { width: min(260px, 100%); aspect-ratio: 1; margin: 0 auto; }
.timeline__rings svg { width: 100%; height: 100%; display: block; }
.timeline__rings .rings__ring { cursor: pointer; pointer-events: stroke; }
.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; align-items: center; padding: 12px 4px; border-bottom: 1px solid var(--line); font: 400 13px/1.5 var(--mono); transition: background 0.2s; }
.row:hover, .row.is-hot { background: var(--raised); }
.row__main { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; min-width: 0; }
.row__day { font-weight: 600; }
.row__date { color: var(--muted); }
.row__hash { color: var(--muted); overflow-wrap: anywhere; grid-column: 1 / -1; }
.row__right { display: flex; gap: 10px; align-items: center; justify-self: end; }
.row__right a { font: 500 11px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; text-decoration: none; border-bottom: 1px solid var(--fg); padding-bottom: 2px; }
.row--newest .row__day { text-decoration: underline; text-underline-offset: 4px; }

/* Verify */
.steps { list-style: none; margin: 0 0 16px; padding: 0; border: 1px solid var(--line); }
.steps:empty { display: none; }
.step { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 2px 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); animation: step-in 0.3s ease-out both; }
.step:last-child { border-bottom: 0; }
.step__mark { font: 600 14px/1.5 var(--mono); color: var(--fg); }
.step__label { font-size: 14px; }
.step__value { grid-column: 2; font: 400 11.5px/1.6 var(--mono); color: var(--muted); overflow-wrap: anywhere; }
.step--bad .step__mark, .step--bad .step__label { color: var(--danger); }
@keyframes step-in { from { opacity: 0; transform: translateY(4px); } }
.verdict { font: 500 13px/1.5 var(--mono); letter-spacing: 0.06em; padding: 14px 16px; border: 1px solid var(--fg); margin: 0 0 18px; overflow-wrap: anywhere; animation: verdict-in 0.6s ease; }
.verdict--bad { border-color: var(--danger); color: var(--danger); }
@keyframes verdict-in { 0% { box-shadow: 0 0 0 0 rgba(242, 240, 234, 0.5); } 100% { box-shadow: 0 0 0 14px rgba(242, 240, 234, 0); } }
.cli p { font: 400 12px/1.6 var(--mono); color: var(--muted); }
.cli .btn { margin-top: 10px; }

/* Skills */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { background: var(--card); padding: 16px; display: flex; flex-direction: column; gap: 8px; min-width: 0; transition: background 0.2s; }
.card:hover { background: var(--raised); }
.card h3 { font: 500 13px/1.4 var(--mono); overflow-wrap: anywhere; }
.card p { margin: 0; font-size: 14px; color: var(--muted); }
.card .src { margin-top: auto; }
.cards--empty { display: block; background: none; border: 0; }
.empty-note { color: var(--muted); font: 400 13px/1.6 var(--mono); border: 1px dashed var(--line); padding: 16px; margin: 0; max-width: 40em; }
.ca { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font: 500 12px/1.5 var(--mono); overflow-wrap: anywhere; margin: 0 0 14px; }

/* Chat dock */
.chat { position: fixed; inset: 0; z-index: 90; display: none; flex-direction: column; background: var(--card); border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6); }
.chat.is-open { display: flex; animation: dock-in 0.35s cubic-bezier(0.2, 0.8, 0.2, 1); }
@keyframes dock-in { from { opacity: 0; transform: translateY(16px); } }
.chat__head { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.chat__head h2 { font: 400 22px/1 var(--display); flex: 1; display: inline-flex; align-items: center; gap: 10px; }
.chat__head h2 img { width: 28px; height: 28px; }
.chat__state { display: inline-flex; align-items: center; gap: 8px; font: 500 10px/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.chat__close { background: none; border: 1px solid var(--line); width: 32px; height: 32px; cursor: pointer; font: 400 16px/1 var(--mono); }
.chat__log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; scroll-behavior: smooth; }
.rules { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.rules li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 8px; font-size: 13.5px; color: var(--muted); }
.rules li b { font: 500 11px/1.7 var(--mono); color: var(--dim); }
.rules li strong { color: var(--fg); font-weight: 500; }
.msg { border: 1px solid var(--line); padding: 10px 14px 12px; max-width: 100%; animation: msg-in 0.3s ease; }
@keyframes msg-in { from { opacity: 0; transform: translateY(6px); } }
.msg__who { display: block; font: 500 10px/1 var(--mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--dim); margin-bottom: 8px; }
.msg__text { font-size: 14.5px; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere; }
.msg--you { border-color: transparent; background: var(--raised); align-self: flex-end; max-width: 92%; }
.msg--agent.is-streaming .msg__text:empty::after { content: "· · ·"; letter-spacing: 0.2em; color: var(--muted); animation: dot-pulse 1s ease-in-out infinite; }
.msg--agent.is-streaming .msg__text:not(:empty)::after { content: "▍"; color: var(--muted); animation: dot-pulse 1s steps(2) infinite; }
.msg--tool { border: 0; padding: 0 0 0 12px; border-left: 1px solid var(--line); display: grid; gap: 4px; }
.msg--tool .msg__label { font: 400 12px/1.5 var(--mono); color: var(--muted); overflow-wrap: anywhere; }
.msg--tool.is-done .chip { background: var(--fg); color: var(--bg); animation: chip-pop 0.5s ease; }
@keyframes chip-pop { 40% { transform: scale(1.08); } }
.msg--tool .msg__hint { font: 400 11px/1.5 var(--mono); color: var(--dim); }
.msg--system { font: 400 12px/1.6 var(--mono); color: var(--muted); border: 1px dashed var(--line); padding: 10px 12px; }
.msg--system.is-error { color: var(--danger); border-color: var(--danger); }
.chat__form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; padding: 12px 16px 6px; border-top: 1px solid var(--line); }
.chat__form textarea { resize: none; min-height: 42px; max-height: 140px; width: 100%; font-size: 14px; line-height: 1.5; }
.chat__form textarea::placeholder { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat__note { padding: 0 16px 12px; font: 400 10.5px/1.6 var(--mono); color: var(--dim); display: flex; justify-content: space-between; gap: 12px; margin: 0; }
.fab { position: fixed; left: var(--gutter); right: var(--gutter); bottom: 14px; z-index: 60; min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--fg); color: var(--bg); border: 0; font: 500 12px/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; cursor: pointer; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6); transition: transform 0.2s; }
.fab:hover { transform: translateY(-1px); }
.fab .dot { background: var(--bg); }
.chat-open .fab { display: none; }

.footer { border-top: 1px solid var(--line); padding: 36px var(--gutter) 96px; font: 400 11px/1.9 var(--mono); letter-spacing: 0.06em; color: var(--dim); text-align: center; }
.footer__mark { width: 72px; height: 72px; margin: 0 auto 14px; opacity: 0.85; display: block; }
.footer__name { font: 400 26px/1 var(--display); color: var(--fg); margin: 0 0 14px; letter-spacing: 0.01em; }
.footer a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); }
.footer a:hover { color: var(--fg); }

@media (min-width: 760px) {
  :root { --gutter: 28px; }
  .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .stats--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stat:nth-child(2n) { border-right: 1px solid var(--line); }
  .stat { border-bottom: 0; }
  .stat:last-child { border-right: 0; }
  .diff { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 260px minmax(0, 1fr); align-items: start; gap: 32px; }
  .row { grid-template-columns: minmax(0, 1fr) auto; }
  .row__hash { grid-column: auto; }
  .row__main { gap: 4px 14px; }
  .hero { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); padding: 64px 0 28px; gap: 40px; }
  .hero__figure { width: min(440px, 100%); }
  .panel__head h2 { font-size: 30px; }
}

@media (min-width: 1024px) {
  .nav { display: flex; }
  .pill { max-width: 220px; }
  .top__menu, .menu { display: none !important; }
  .main { padding-bottom: 80px; }
  .chat { inset: auto 24px 24px auto; width: 400px; height: min(640px, calc(100vh - 100px)); }
  .fab { left: auto; right: 24px; bottom: 24px; min-width: 220px; }
  .footer { padding-bottom: 28px; }
}

@media (min-width: 1200px) {
  .clock { display: inline-block; }
  .hero { padding: 80px 0 36px; }
  .hero__figure { width: min(500px, 100%); }
  /* An open chat dock takes its own column instead of covering the page. */
  .main, .ticker, .footer { transition: margin-right 0.35s cubic-bezier(0.2, 0.8, 0.2, 1); }
  .chat-open .main, .chat-open .ticker, .chat-open .footer { margin-right: 424px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .hero h1 .w span { transform: none; }
  .panel { opacity: 1; transform: none; }
  .ticker__track { animation: none; }
}