/* kama-lang.org — the whole site's stylesheet. Sections: fonts · tokens · base · nav/footer · hero scene · home · docs · code. The palette is a set of custom properties; `` swaps it. */ /* ------------------------------------------------------------------ fonts Self-hosted so the site makes no third-party request on the render-blocking path and works offline behind `./dev serve`. Latin subsets only: the seven decorative kanji fall through to a system mincho (see --font-jp), which costs nothing and reads correctly. Shippori Mincho B1 and JetBrains Mono are both SIL OFL 1.1. */ @font-face { font-family: "Shippori Mincho B1"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/shippori-mincho-b1-600.woff2") format("woff2"); } @font-face { font-family: "Shippori Mincho B1"; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/shippori-mincho-b1-800.woff2") format("woff2"); } /* JetBrains Mono is a variable font: one file serves both weights we use. */ @font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400 600; font-display: swap; src: url("/assets/fonts/jetbrains-mono.woff2") format("woff2"); } /* ------------------------------------------------------------------ tokens */ :root { --sky1: #08080c; --sky2: #180a12; --sky3: #3d0e18; --sky4: #7c1c20; --sky5: #d3572e; --sunA: #ffb066; --sunB: #e8502c; --sunC: #9c1c26; --glow: rgba(232, 80, 44, .35); --bg: #0a0a0d; --panel: #101014; --panel-2: #0d0d11; --line: #26232a; --line-2: #1c1a20; --fg: #e8e6e3; --fg-soft: #b8b2a6; --fg-dim: #8a8578; --red: #c41e2e; --red-hot: #e02a3c; --ember: #e8763a; --ember-hi: #ffa05c; --amber: #ffb066; --font-ui: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; --font-display: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif; --font-jp: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif; --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; --wrap: 1060px; } [data-palette="sunburst"] { --sky1:#0a0806; --sky2:#221008; --sky3:#55200c; --sky4:#a03d12; --sky5:#e88a2e; --sunA:#ffd28a; --sunB:#f07f2e; --sunC:#c23e1c; --glow:rgba(240,127,46,.4); } [data-palette="midnight"] { --sky1:#05050a; --sky2:#0c0a18; --sky3:#1d1030; --sky4:#46163a; --sky5:#8c2438; --sunA:#ff7d5e; --sunB:#c22740; --sunC:#6e1030; --glow:rgba(194,39,64,.35); } /* ------------------------------------------------------------------ base */ * { box-sizing: border-box; } html { scroll-behavior: smooth; scroll-padding-top: 5rem; } body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.65 var(--font-ui); -webkit-font-smoothing: antialiased; overflow-wrap: break-word; } a { color: var(--ember); text-decoration: none; } a:hover { color: var(--ember-hi); } ::selection { background: var(--red); color: #fff; } img, svg { max-width: 100%; } :focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; } h1, h2, h3 { font-family: var(--font-display); font-weight: 800; line-height: 1.15; } code, pre { font-family: var(--font-mono); } .page { max-width: var(--wrap); margin: 0 auto; padding: 3.5rem clamp(1.25rem, 4vw, 3rem) 1rem; } .note { color: var(--fg-dim); font-size: .92rem; margin: 1rem 0 0; max-width: 70ch; } .note code { color: var(--fg-soft); font-size: .85em; } .lede { color: #cfc6bd; font-size: 1.1rem; max-width: 62ch; text-wrap: pretty; } /* ------------------------------------------------------------------ nav + footer */ .topnav { position: relative; z-index: 3; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem clamp(1.25rem, 4vw, 3rem); flex-wrap: wrap; } .brand { display: flex; align-items: center; gap: .7rem; color: var(--fg); } .brand span { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; letter-spacing: .04em; } .topnav-links { display: flex; gap: 1.4rem; font-size: .92rem; letter-spacing: .02em; } .topnav-links a { color: var(--fg-soft); } .topnav-links a:hover, .topnav-links a[aria-current] { color: var(--ember-hi); } body:not(.home) .topnav { border-bottom: 1px solid var(--line-2); } .footer { max-width: var(--wrap); margin: 3rem auto 0; padding: 2rem clamp(1.25rem, 4vw, 3rem) 3.5rem; border-top: 1px solid var(--line-2); display: flex; flex-wrap: wrap; gap: 1.2rem; align-items: center; justify-content: space-between; } .footer-brand { display: flex; align-items: center; gap: .7rem; color: var(--fg-dim); font-size: .88rem; } .footer-brand img { opacity: .85; } .footer-links { display: flex; gap: 1.3rem; font-size: .9rem; flex-wrap: wrap; } /* ------------------------------------------------------------------ hero scene */ .hero { position: relative; min-height: 100vh; overflow: hidden; background: linear-gradient(180deg, var(--sky1) 0%, var(--sky2) 30%, var(--sky3) 55%, var(--sky4) 78%, var(--sky5) 100%); display: flex; flex-direction: column; } .home .topnav { position: absolute; top: 0; left: 0; right: 0; } .sun { position: absolute; right: 7%; bottom: 16vh; width: 46vmin; height: 46vmin; border-radius: 50%; background: radial-gradient(circle at 50% 38%, var(--sunA), var(--sunB) 58%, var(--sunC) 100%); animation: sunBreathe 7s ease-in-out infinite; } .ambient { position: absolute; inset: 0; pointer-events: none; z-index: 2; } .ember, .petal { position: absolute; left: var(--x); bottom: var(--y); background: var(--tint); } .ember { width: var(--size); height: var(--size); border-radius: 50%; animation: emberRise var(--dur) linear var(--delay) infinite; } .petal { width: 9px; height: 6px; border-radius: 60% 40% 55% 45%; animation: petalFall var(--dur) linear var(--delay) infinite; } .landscape { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 36vh; display: block; } .ninja { position: absolute; right: 10%; bottom: 30vh; width: 36vmin; height: auto; animation: ninjaFloat 5s ease-in-out infinite; } .slash { stroke-dasharray: 420; animation: slashSweep 4.5s ease-in-out infinite; } .hero-fade { position: absolute; left: 0; right: 0; bottom: 0; height: 12vh; pointer-events: none; background: linear-gradient(180deg, rgba(10, 10, 13, 0) 0%, var(--bg) 100%); } @keyframes emberRise { 0% { transform: translate(0, 0); opacity: 0; } 12% { opacity: .9; } 80% { opacity: .5; } 100% { transform: translate(3vw, -46vh); opacity: 0; } } @keyframes petalFall { 0% { transform: translate(0, 0) rotate(0deg); opacity: 0; } 8% { opacity: .9; } 100% { transform: translate(-10vw, 58vh) rotate(300deg); opacity: 0; } } @keyframes ninjaFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } } @keyframes slashSweep { 0% { stroke-dashoffset: 400; opacity: 0; } 12% { opacity: 1; } 42% { stroke-dashoffset: 0; opacity: .95; } 68% { opacity: 0; } 100% { stroke-dashoffset: 0; opacity: 0; } } @keyframes sunBreathe { 0%, 100% { box-shadow: 0 0 110px 34px var(--glow); } 50% { box-shadow: 0 0 150px 52px var(--glow); } } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .sun, .ninja, .slash, .ember, .petal { animation: none; } .ember, .petal { opacity: .6; } .sun { box-shadow: 0 0 120px 40px var(--glow); } } /* ------------------------------------------------------------------ hero copy */ .hero-copy { position: relative; z-index: 3; max-width: var(--wrap); width: 100%; margin: 0 auto; padding: clamp(5rem, 16vh, 9rem) clamp(1.25rem, 4vw, 3rem) 34vh; display: flex; flex-direction: column; gap: 1.2rem; align-items: flex-start; } .eyebrow { display: flex; align-items: center; gap: .6rem; margin: 0; font: 600 .78rem/1 var(--font-mono); letter-spacing: .22em; text-transform: uppercase; color: #ff9a4d; } .tick { width: 9px; height: 9px; background: var(--red); } .hero h1 { margin: 0; font-size: clamp(3rem, 7.5vw, 5.4rem); letter-spacing: -.01em; line-height: 1.02; } .hero h1 em { color: #e8563f; font-style: normal; } .hero .lede { margin: 0; max-width: 48ch; font-size: 1.12rem; } .cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .3rem; } .btn { display: inline-block; padding: .75rem 1.5rem; font-weight: 600; letter-spacing: .02em; border: 1px solid rgba(255, 255, 255, .25); color: var(--fg); } .btn:hover { border-color: #ff9a4d; color: var(--ember-hi); } .btn-primary { background: var(--red); border-color: var(--red); color: #fff; box-shadow: 0 0 24px rgba(196, 30, 46, .45); } .btn-primary:hover { background: var(--red-hot); border-color: var(--red-hot); color: #fff; } .hero-cmd { font: 13px/1.4 var(--font-mono); color: rgba(255, 225, 200, .8); background: rgba(0, 0, 0, .35); border: 1px solid rgba(255, 255, 255, .12); padding: .7rem .9rem; max-width: 100%; overflow-x: auto; } /* Rotating claims under the install line. Five lines share one box, each visible for 3s of a 15s loop. No JS: a keyframe per item with a staggered delay does the whole thing, so it cannot break and needs nothing loaded. The box RESERVES its height (two lines' worth, since the longer claims wrap on a phone) rather than being sized by whichever line is showing — otherwise every switch would nudge the page. */ .rotator { /* ⚠️ `width: 100%` is load-bearing, not tidiness. `.hero-copy` is a flex COLUMN with `align-items: flex-start`, so every child is shrink-to-fit — and this box's children are all `position: absolute`, which leaves it with no in-flow content and therefore zero content width. The absolute spans then inherit a 0-wide containing block and wrap one character per line, which renders the claims VERTICALLY. */ position: relative; width: 100%; margin: 0; min-height: 3.1em; font: 600 .95rem/1.55 var(--font-ui); color: #fff; } .rotator span { position: absolute; inset: 0; opacity: 0; animation: rotate-claim 15s linear infinite; } .rotator span:nth-child(1) { animation-delay: 0s; } .rotator span:nth-child(2) { animation-delay: 3s; } .rotator span:nth-child(3) { animation-delay: 6s; } .rotator span:nth-child(4) { animation-delay: 9s; } .rotator span:nth-child(5) { animation-delay: 12s; } @keyframes rotate-claim { 0% { opacity: 0; transform: translateY(.35em); } 2% { opacity: 1; transform: none; } 18% { opacity: 1; transform: none; } 20% { opacity: 0; transform: translateY(-.35em); } 100% { opacity: 0; transform: translateY(.35em); } } /* ⚠️ MUST come after the rules above, not in the reduced-motion block near the top of this file. These selectors have the same specificity as those, so the later declaration wins — sited earlier, every line here was silently overridden and the rotator kept animating. */ @media (prefers-reduced-motion: reduce) { /* Show the first claim and stop. A rotator is motion nobody asked for; the other four stay in the DOM for a screen reader, they just do not move. */ .rotator { min-height: 0; } .rotator span { animation: none; position: static; opacity: 0; } .rotator span:first-child { opacity: 1; } } /* ------------------------------------------------------------------ home sections */ .band { border-bottom: 1px solid var(--line-2); } .claim { max-width: var(--wrap); margin: 0 auto; padding: 2.5rem clamp(1.25rem, 4vw, 3rem); font-family: var(--font-display); font-weight: 600; font-size: clamp(1.15rem, 2.4vw, 1.5rem); line-height: 1.45; text-wrap: pretty; } .claim span { display: block; color: var(--fg-dim); font-family: var(--font-ui); font-weight: 400; font-size: .95rem; margin-top: .6rem; } .section-head { display: flex; align-items: baseline; gap: .9rem; flex-wrap: wrap; margin-bottom: 1.5rem; } .numeral { font-family: var(--font-jp); font-size: 1.9rem; color: var(--red); line-height: 1; } .section-head h2 { margin: 0; font-size: 1.7rem; } .kicker { font: 600 .72rem/1 var(--font-mono); letter-spacing: .2em; text-transform: uppercase; color: var(--fg-dim); } .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1rem; } .grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); } .tile, .card { position: relative; background: var(--panel); border: 1px solid var(--line); padding: 1.5rem; overflow: hidden; } .tile h3, .card h3 { margin: 0 0 .5rem; font-size: 1.05rem; color: var(--amber); font-family: var(--font-ui); font-weight: 700; } .tile p, .card p { margin: 0; color: var(--fg-soft); font-size: .95rem; text-wrap: pretty; } .tile p + p { margin-top: .7rem; } .tile code, .card code { color: #ffdcb8; font-size: .85em; } .kanji { position: absolute; right: .4rem; top: -.7rem; font-family: var(--font-jp); font-size: 5.5rem; color: rgba(196, 30, 46, .12); line-height: 1; pointer-events: none; } .tile-link a { font-size: .9rem; } .section-lede { margin: -.4rem 0 1.4rem; } .lineage p + p { margin-top: .8rem; } .lineage strong { color: var(--amber); font-weight: 600; } .left-behind { color: var(--fg-dim); } .left-behind strong { color: var(--fg-dim); } .card { display: block; color: inherit; transition: border-color .15s ease; } .card:hover { border-color: var(--ember); } .card:hover h3 { color: var(--ember-hi); } .closer h2 { font-size: 1.7rem; margin: 0 0 1.4rem; } /* ---- install tabs: radios + sibling selectors, so they work with JavaScript disabled */ .os-radio { position: absolute; opacity: 0; pointer-events: none; } .os-tabs { display: flex; gap: .5rem; margin-bottom: 1rem; flex-wrap: wrap; } .os-tabs label { background: transparent; color: #9a948a; border: 1px solid var(--line); padding: .45rem 1.1rem; cursor: pointer; font: 600 .82rem/1.4 var(--font-mono); letter-spacing: .06em; } .os-tabs label:hover { color: var(--ember-hi); border-color: var(--ember-hi); } .os-panel { display: none; align-items: center; gap: 1rem; background: var(--panel); border: 1px solid var(--line); padding: 1.2rem 1.3rem; } .os-panel .rule { width: 4px; align-self: stretch; background: linear-gradient(180deg, var(--red), var(--ember)); } .os-panel code { flex: 1; font-size: 14.5px; line-height: 1.5; color: #ffdcb8; overflow-x: auto; } #os-mac:checked ~ .os-tabs label[for="os-mac"], #os-linux:checked ~ .os-tabs label[for="os-linux"], #os-windows:checked ~ .os-tabs label[for="os-windows"] { background: var(--red); border-color: var(--red); color: #fff; } #os-mac:checked ~ .os-panels .p-mac, #os-linux:checked ~ .os-panels .p-linux, #os-windows:checked ~ .os-panels .p-windows { display: flex; } .copy { background: transparent; color: #9a948a; border: 1px solid #33303a; padding: .35rem .8rem; cursor: pointer; font: 600 .75rem/1.4 var(--font-mono); letter-spacing: .08em; } .copy:hover { color: var(--ember-hi); border-color: var(--ember-hi); } /* ------------------------------------------------------------------ benchmark panels Small multiples: one panel per workload, each bar scaled to that panel's own slowest run (the workloads span ~50x, so a shared axis would squash the fast ones and a second axis is never the answer). Every bar carries its language and its number as text, so identity is never colour-alone and there is no value hidden behind a hover. kama wears the ember accent because it is the subject of the page; the ordering is by measured time either way. */ .bench-grid { display: grid; gap: .9rem; margin: 1.6rem 0 0; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); } .bench-panel { margin: 0; padding: .85rem .9rem .7rem; background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 3px; } .bench-panel figcaption { display: flex; align-items: baseline; justify-content: space-between; gap: .6rem; margin-bottom: .6rem; padding-bottom: .5rem; border-bottom: 1px solid var(--line-2); } .bench-panel figcaption b { font: 600 .82rem/1 var(--font-mono); color: var(--fg); letter-spacing: .02em; } .bench-panel figcaption span { font-size: .68rem; color: var(--fg-dim); text-align: right; text-wrap: balance; } .bench-row { display: grid; grid-template-columns: 2.9rem 1fr 2.6rem; align-items: center; gap: .5rem; padding: 2px 0; /* 2px surface gap between adjacent bars */ } .bench-lang { font: 500 .72rem/1 var(--font-mono); color: var(--fg-dim); } .bench-track { display: block; height: 9px; background: rgba(255, 255, 255, .045); border-radius: 2px; } .bench-fill { display: block; height: 100%; min-width: 3px; background: #6c6559; border-radius: 0 3px 3px 0; /* rounded data-end, anchored to the baseline */ } .bench-row.is-kama .bench-lang { color: var(--amber); font-weight: 600; } .bench-row.is-kama .bench-fill { background: linear-gradient(90deg, var(--red), var(--ember)); } .bench-val { font: 500 .72rem/1 var(--font-mono); color: var(--fg-soft); text-align: right; font-variant-numeric: tabular-nums; } .bench-row.is-kama .bench-val { color: var(--fg); } .bench-stats { margin-top: 1.4rem; } .bench-stats h3 { font-family: var(--font-mono); font-size: .98rem; } @media (prefers-reduced-motion: no-preference) { .bench-fill { transition: width .4s ease; } } /* ------------------------------------------------------------------ docs */ .doc-wrap { max-width: 1320px; margin: 0 auto; padding: 2rem clamp(1.25rem, 4vw, 3rem) 1rem; display: grid; gap: clamp(1.5rem, 3vw, 3rem); grid-template-columns: 15rem minmax(0, 1fr); align-items: start; } .side { position: sticky; top: 1.5rem; font-size: .92rem; } .side > summary { display: none; cursor: pointer; padding: .6rem .8rem; border: 1px solid var(--line); font: 600 .8rem/1.4 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-dim); } .side-group { margin: 1.2rem 0 .4rem; font: 600 .7rem/1 var(--font-mono); letter-spacing: .18em; text-transform: uppercase; color: var(--fg-dim); } .side ul { list-style: none; margin: 0; padding: 0; } .side li { margin: .1rem 0; } .side a { display: block; padding: .3rem .7rem; color: var(--fg-soft); border-left: 2px solid var(--line-2); } .side a:hover { color: var(--ember-hi); border-left-color: var(--ember); } .side a[aria-current] { color: var(--amber); border-left-color: var(--red); background: rgba(196, 30, 46, .08); } .toc { display: none; } @media (min-width: 1180px) { .doc-wrap { grid-template-columns: 14rem minmax(0, 1fr) 14rem; } .toc { display: block; position: sticky; top: 1.5rem; font-size: .85rem; max-height: 88vh; overflow-y: auto; } .toc-title { margin: 0 0 .5rem; font: 600 .7rem/1 var(--font-mono); letter-spacing: .18em; text-transform: uppercase; color: var(--fg-dim); } .toc ul { list-style: none; margin: 0; padding: 0; } .toc a { color: var(--fg-dim); display: block; padding: .18rem 0; } .toc a:hover { color: var(--ember-hi); } .toc .d3 { padding-left: .9rem; font-size: .95em; } } @media (max-width: 860px) { .doc-wrap { grid-template-columns: minmax(0, 1fr); } .side { position: static; } .side > summary { display: block; } .side[open] > summary { margin-bottom: .5rem; } .side:not([open]) nav { display: none; } } /* ---- prose */ .prose { min-width: 0; max-width: 78ch; } .prose h1 { font-size: clamp(2rem, 4vw, 2.6rem); margin: .4rem 0 1rem; } .prose h2 { font-size: 1.55rem; margin: 2.6rem 0 .8rem; padding-top: .6rem; border-top: 1px solid var(--line-2); } .prose h3 { font-size: 1.2rem; margin: 2rem 0 .6rem; color: var(--amber); } .prose h4 { font-size: 1.02rem; margin: 1.5rem 0 .5rem; font-family: var(--font-ui); } .prose p, .prose li { color: var(--fg-soft); } .prose li { margin: .3rem 0; } .prose strong { color: var(--fg); } .prose blockquote { margin: 1.2rem 0; padding: .1rem 1.1rem; border-left: 3px solid var(--red); background: rgba(196, 30, 46, .06); color: var(--fg-soft); } .prose hr { border: 0; border-top: 1px solid var(--line-2); margin: 2.5rem 0; } .prose :not(pre) > code { background: rgba(255, 255, 255, .06); border: 1px solid var(--line-2); border-radius: 3px; padding: .08em .35em; font-size: .87em; color: #ffdcb8; } .prose table { border-collapse: collapse; width: 100%; margin: 1.2rem 0; font-size: .92rem; display: block; overflow-x: auto; } .prose th, .prose td { border: 1px solid var(--line); padding: .5rem .7rem; text-align: left; vertical-align: top; } .prose th { background: var(--panel); color: var(--fg); font-family: var(--font-ui); } .prose td { color: var(--fg-soft); } .prose img { display: block; margin: 1.2rem 0; } .anchor { margin-left: .4rem; color: var(--line); font-weight: 400; opacity: 0; } h1:hover > .anchor, h2:hover > .anchor, h3:hover > .anchor { opacity: 1; color: var(--ember); } .edit { margin: 3rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line-2); font-size: .9rem; } /* ------------------------------------------------------------------ code blocks */ pre.code { margin: 1.2rem 0; padding: 1.1rem 1.3rem; background: var(--panel-2); border: 1px solid var(--line); overflow-x: auto; font-size: 13.5px; line-height: 1.7; color: #c9c4ba; } pre.code code { font-family: inherit; } pre.sample { margin: 0; padding: 1.6rem 1.8rem; } .t-cm { color: #5f5a52; font-style: italic; } .t-kw { color: #e8563f; } .t-ty { color: #ffb066; } .t-fn { color: #e8a35e; } .t-num { color: #d19a66; } .t-str { color: #a8c67a; } .t-arg { color: #cf9d6a; } .t-lit { color: #d19a66; } .t-at { color: #b8b2a6; } /* string interpolation: the `${…}` seam is visible, the value inside reads as code, not as text */ .t-ip { color: #e8763a; } .t-var { color: #d8cfc4; } .t-fs { color: #8a8578; } /* ------------------------------------------------------------------ docs index */ .doc-index .page h1 { font-size: clamp(2rem, 4vw, 2.6rem); margin: .5rem 0 .8rem; } .doc-index .page h2 { font-size: 1.2rem; margin: 2.4rem 0 .9rem; color: var(--amber); } .doc-index .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }