/* dotfiles landing, built on the Hermes landing: a page in a thin frame, giant tight headlines, tiny caps labels,
   small square buttons, and one full-bleed band. The colours are the prompt's (Catppuccin, see brand/tokens.css):
   Latte page by day, Mocha page by night, and the band is always Mocha. Where Hermes has engravings, dotfiles has
   a field of dots in the four powerline segment colours, and the footer draws its glyphs in dots too. */
:root {
  /* film grain: white fractal noise, laid over every band surface */
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 .28 0 0 0 -.06'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --scan: repeating-linear-gradient(to bottom, #000 0 2px, transparent 2px 4px);   /* scanlines for the engravings */
  --dots: radial-gradient(circle, var(--dot-c, var(--seg-blue)) 1.7px, transparent 2px) 0 0 / 14px 14px;
}
/* Dot field: the icon's dot grid, faded by a per-element mask so each crop reads differently */
.art { position: relative; overflow: hidden; background: var(--grain), var(--band); }
.art::before { content: ""; position: absolute; inset: 0; background: var(--dots); opacity: .55;
  -webkit-mask: var(--fade, radial-gradient(ellipse at 50% 40%, #000, transparent 70%)); mask: var(--fade, radial-gradient(ellipse at 50% 40%, #000, transparent 70%)); }
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); font-size: var(--size-body); line-height: 24px; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
code { font: .88em var(--mono); padding: 2px 6px; border-radius: var(--r-sq); background: var(--surface); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--sp-5); }
.center { text-align: center; }

h1, h2, h3 { text-wrap: balance; }
h1 { font-size: clamp(56px, 9.5vw, 144px); line-height: .98; font-weight: 700; letter-spacing: -.045em; }
.dot { color: var(--dot); font-style: normal; }
h2 { font-size: clamp(44px, 6vw, 96px); line-height: 1; font-weight: 700; letter-spacing: -.035em; }
h3 { font-size: 28px; line-height: 32px; font-weight: 600; letter-spacing: -.02em; }
.label { font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--sub); margin-bottom: var(--sp-4); }

.btn { height: 40px; padding: 0 var(--sp-4); border-radius: var(--r-sq); display: inline-flex; align-items: center; gap: var(--sp-2); font: 600 15px var(--font); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background var(--motion), color var(--motion), border-color var(--motion); }
.btn-solid { background: var(--btn); color: var(--btn-fg); }
.btn-solid:hover { background: color-mix(in srgb, var(--btn) 82%, #fff); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--text); }
.btn:focus-visible, .foot-cols a:focus-visible, .nav-brand:focus-visible, .nav-links a:focus-visible, .copy:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }

.nav { position: sticky; top: 0; z-index: 10; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--sp-5); height: 56px; padding: 0 var(--sp-5); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
/* the powerline under the nav: the four prompt segments as one stripe */
.nav::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--powerline); }
.nav-brand { grid-column: 2; display: flex; align-items: center; gap: var(--sp-2); font-weight: 700; font-size: 19px; letter-spacing: -.01em; text-decoration: none; }
.nav-brand img { width: 28px; height: 28px; border-radius: var(--r-icon); }
.nav-links { display: flex; gap: var(--sp-5); font-size: 15px; font-weight: 500; }
.nav-links a { text-decoration: none; color: var(--sub); }
.nav-links a:hover { color: var(--text); }
.nav-end { grid-column: 3; justify-self: end; display: flex; align-items: center; gap: var(--sp-5); }
/* the thin frame down both edges of the window */
@media (min-width: 900px) { body::after { content: ""; position: fixed; inset: 0; border-inline: 4px solid var(--frame); pointer-events: none; z-index: 30; } }

/* The hero: copy on top, and under it a full-bleed Mocha terminal that types the setup. The terminal fills whatever
   height the copy leaves; the newest line sits at the bottom and older lines scroll up into a fade, never under the copy. */
.hero { position: relative; display: flex; flex-direction: column; margin-top: -56px; padding: calc(56px + var(--sp-8)) 0 0; min-height: min(100svh, 960px); background: var(--grain), var(--band); color: var(--band-text); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg .art { position: absolute; inset: 0; background: none; --dot-c: var(--seg-blue); --fade: radial-gradient(ellipse at 50% 28%, #000, transparent 68%); }
.hero-copy { position: relative; z-index: 2; }
/* CRT scanlines over the hero art and the terminal. They creep down one line pitch at a time, and a faint bright band
   rolls top to bottom over the whole hero, like an old monitor. Both are transforms, so they cost no repaints. */
.hero-bg::after, .tty::after { content: ""; position: absolute; inset: -3px 0 0; background: repeating-linear-gradient(to bottom, rgba(17, 17, 27, .3) 0 1px, transparent 1px 3px); pointer-events: none; animation: scan-creep 1.4s linear infinite; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none; animation: scan-roll 9s linear infinite;
  background: linear-gradient(to bottom, transparent 42%, rgba(205, 214, 244, .035) 49%, rgba(205, 214, 244, .06) 50%, transparent 58%); }
@keyframes scan-creep { to { transform: translateY(3px); } }
@keyframes scan-roll { from { transform: translateY(-60%); } to { transform: translateY(60%); } }

/* Engravings: a dithered artwork (art/*.png, a 1-bit mask) tinted with a segment colour and cut into scanlines,
   faded at the edges so copy can sit on it. Layers intersect: the art, the scanlines, the fade. */
.engr { position: absolute; inset: 0; pointer-events: none; color: var(--eng-c, var(--seg-blue)); }
.engr::before { content: ""; position: absolute; inset: 0; background: currentColor; opacity: var(--eng-o, .5);
  -webkit-mask: var(--img) var(--eng-pos, center) / var(--eng-size, cover) no-repeat, var(--scan), var(--eng-fade, radial-gradient(ellipse at 50% 45%, #000 30%, transparent 75%));
  -webkit-mask-composite: source-in, source-in;
  mask: var(--img) var(--eng-pos, center) / var(--eng-size, cover) no-repeat, var(--scan), var(--eng-fade, radial-gradient(ellipse at 50% 45%, #000 30%, transparent 75%));
  mask-composite: intersect; }
.janus { --eng-c: var(--seg-mauve); --eng-o: .3; --eng-size: auto 108%; --eng-pos: center 20%; --eng-fade: radial-gradient(ellipse 46% 60% at 50% 34%, #000 35%, transparent 100%); }
.vulcan { --eng-c: var(--seg-peach); --eng-o: .5; --eng-fade: radial-gradient(ellipse 70% 80% at 50% 50%, #000 30%, transparent 100%); }
.hero .label, .hero .lead, .hero .fine { color: var(--band-sub); }
.hero .dot { color: var(--seg-green); }
.hero .btn-solid { background: var(--seg-blue); color: var(--term-crust); }
.hero .btn-ghost { background: rgba(205, 214, 244, .08); color: var(--band-text); border-color: rgba(205, 214, 244, .22); }
.hero .btn-ghost:hover { border-color: var(--band-text); }
.hero .powerline { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--powerline); z-index: 3; }
.lead { max-width: 560px; margin: var(--sp-6) auto 0; color: var(--sub); }
.cta { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-top: var(--sp-6); }
.center .cta { justify-content: center; }
.fine { margin-top: var(--sp-3); font-size: var(--size-footnote); line-height: 16px; color: var(--sub); }

/* The terminal itself: no chrome, just Mocha text in a centred column, anchored to the bottom */
.tty { position: relative; z-index: 1; flex: 1 0 calc(9 * 22px + var(--sp-7)); min-height: 0; margin-top: var(--sp-7); display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; padding: 0 var(--sp-5) var(--sp-7);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 55%); mask-image: linear-gradient(to bottom, transparent, #000 55%); }
.tty-lines { width: 100%; max-width: 880px; margin: 0 auto; font: 14px/22px var(--mono); color: var(--term-fg); transition: opacity .5s ease; }
.tty-lines.fade { opacity: 0; }
.tty .ln { white-space: pre; overflow: hidden; text-overflow: clip; min-height: 22px; }
.tty .dim { color: var(--term-dim); }
.tty .ok { color: var(--seg-green); }
.tty .warn { color: var(--seg-yellow); }
.tty .dir { color: var(--seg-blue); font-weight: 600; }
.tty .bl { color: var(--seg-blue); }
.tty .cur { display: inline-block; width: .6em; height: 1.15em; vertical-align: -3px; background: var(--term-fg); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* The stage: a band panel with the dot field, holding the install commands */
.stage { position: relative; overflow: hidden; background: var(--grain), var(--band); padding: clamp(24px, 6vw, 96px) clamp(12px, 7vw, 128px); }
.stage-art { position: absolute; inset: 0; background: none; }

/* The Starship powerline prompt, drawn with clip-path chevrons since the web has no Nerd Font */
.ps { display: inline-flex; vertical-align: top; font-weight: 700; color: var(--term-bg); }
.ps b { position: relative; padding: 0 12px 0 14px; margin-right: -8px; clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 50%, calc(100% - 8px) 100%, 0 100%, 8px 50%); }
.ps b:first-child { padding-left: 10px; border-radius: 10px 0 0 10px; clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 50%, calc(100% - 8px) 100%, 0 100%); }
.ps .u { background: var(--seg-blue); } .ps .t { background: var(--seg-peach); } .ps .d { background: var(--seg-blue); }
.ps .g { background: var(--seg-mauve); font-weight: 500; } .ps .n { background: var(--seg-green); font-weight: 500; }
.chev { color: var(--seg-green); font-weight: 700; margin-left: 14px; }

/* The band: dot field beside the section head, then the four configs as ruled rows */
.band { margin: var(--sp-8) clamp(0px, 3vw, 44px) 0; background: var(--grain), var(--band); color: var(--band-text); overflow: hidden; }
.band .label { color: var(--band-sub); }
.band-head { position: relative; text-align: center; padding: calc(var(--sp-9) * 1.6) var(--sp-5); overflow: hidden; }
.band-head .art { position: absolute; inset: 0; background: none; --fade: radial-gradient(ellipse at 50% 50%, #000 10%, transparent 72%); }
.band-copy { position: relative; }
.band-copy h2 { font-size: clamp(48px, 8vw, 128px); line-height: .95; }
.band-copy p:last-child { margin: var(--sp-6) auto 0; max-width: 520px; color: var(--band-sub); }
.frows { border-top: 1px solid var(--band-line); }
.frow { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; border-bottom: 1px solid var(--band-line); }
.frow .art { display: grid; place-items: center; min-height: 320px; padding: var(--sp-6); background: var(--grain), var(--band-raised); }
.frow:nth-child(1) .art { --dot-c: var(--seg-blue); --fade: linear-gradient(135deg, #000, transparent 75%); }
.frow:nth-child(2) .art { --dot-c: var(--seg-peach); --fade: linear-gradient(225deg, #000, transparent 75%); }
.frow:nth-child(3) .art { --dot-c: var(--seg-mauve); --fade: radial-gradient(circle at 20% 80%, #000, transparent 70%); }
.frow:nth-child(4) .art { --dot-c: var(--seg-green); --fade: radial-gradient(circle at 80% 20%, #000, transparent 70%); }
.frow:nth-child(even) .art { order: 2; }
.frow > div:not(.art) { align-self: center; padding: var(--sp-7) clamp(24px, 6vw, 96px); max-width: 560px; }
.frow h3 { font-size: clamp(32px, 3.2vw, 48px); line-height: 1.05; font-weight: 700; letter-spacing: -.03em; }
.frow p:last-child { margin-top: var(--sp-4); color: var(--band-sub); }
.band code { background: rgba(205, 214, 244, .12); color: var(--band-text); }
/* a small excerpt of the real file, floating on the dot field */
.snip { position: relative; width: 100%; max-width: 440px; background: var(--term-bg); color: var(--term-fg); border-radius: 6px; box-shadow: 0 16px 40px rgba(0, 0, 0, .3); overflow: hidden; }
.snip figcaption { padding: 8px 14px; background: var(--term-crust); font: 12px var(--mono); color: var(--term-dim); }
.snip pre { font: 12.5px/20px var(--mono); padding: 14px; overflow-x: auto; white-space: pre; }
.snip .c { color: var(--term-dim); } .snip .k { color: var(--seg-mauve); } .snip .s { color: var(--seg-green); } .snip .v { color: var(--seg-peach); }
.cells { display: grid; grid-template-columns: repeat(3, 1fr); }
.cell { padding: var(--sp-6) var(--sp-6) var(--sp-7); border-right: 1px solid var(--band-line); }
.cell:nth-child(3n) { border-right: 0; }
.cell .label { margin-bottom: var(--sp-5); }
.cell p:last-child { margin-top: var(--sp-3); color: var(--band-sub); font-size: 15px; line-height: 22px; }

/* Install */
.sec { padding: var(--sp-9) 0; }
.body { color: var(--sub); margin-top: var(--sp-5); max-width: 560px; }
.center .body { margin-left: auto; margin-right: auto; }
.install-stage { margin-top: var(--sp-7); }
.install-stage .stage-art { --dot-c: var(--seg-green); --fade: radial-gradient(ellipse at 50% 100%, #000, transparent 70%); }
.term { position: relative; max-width: 720px; margin: 0 auto; text-align: left; border-radius: 4px; background: var(--bg); border: 1px solid var(--line); padding: var(--sp-5); }
.term pre { font: 13px/22px var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; padding-right: 80px; }
.term pre .dim { user-select: none; }
.term .dim { color: var(--sub); }
.copy { position: absolute; top: var(--sp-4); right: var(--sp-4); height: 32px; padding: 0 var(--sp-3); border-radius: var(--r-sq); border: 1px solid var(--line); background: var(--surface); color: var(--text); font: 600 13px var(--font); cursor: pointer; }
.copy:hover { border-color: var(--text); }
.term figcaption { margin-top: var(--sp-3); font-size: var(--size-footnote); color: var(--sub); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); margin-top: var(--sp-8); text-align: left; }
.steps article { border-top: 1px solid var(--line); padding-top: var(--sp-5); }
.steps .num { font: 700 48px/1 var(--font); letter-spacing: -.04em; color: var(--accent); margin-bottom: var(--sp-3); }
.steps p:last-child { margin-top: var(--sp-2); color: var(--sub); font-size: 15px; line-height: 22px; }

/* Footer: brand and link columns, the band of glyphs in dots, one fine line */
.foot { text-align: center; padding: var(--sp-8) var(--sp-4) var(--sp-5); background: var(--bg); overflow: hidden; border-top: 1px solid var(--line); }
.foot-top { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--sp-4); display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--sp-7); text-align: left; }
.foot-brand { display: grid; gap: var(--sp-2); align-content: start; }
.foot-brand img { border-radius: var(--r-icon); }
.foot-brand b { font-weight: 700; font-size: 36px; line-height: 40px; letter-spacing: -.03em; }
.foot-brand p { color: var(--sub); font-size: 15px; }
.foot-cols { display: flex; flex-wrap: wrap; gap: var(--sp-8); }
.foot-cols div { display: grid; gap: var(--sp-2); align-content: start; }
.foot-cols .label { margin-bottom: var(--sp-2); }
.foot-cols a { color: var(--text); text-decoration: none; font-size: 15px; }
.foot-cols a:hover { color: var(--accent); }
.glyph-band { color: var(--sub); position: relative; width: 100vw; margin: var(--sp-7) 0 0 calc(50% - 50vw); height: clamp(150px, 20vw, 300px); }
.glyph-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.legal { margin-top: var(--sp-5); font-size: var(--size-footnote); line-height: 16px; color: var(--sub); text-wrap: balance; }
.legal a { color: inherit; }

.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .frow { grid-template-columns: 1fr; }
  .frow:nth-child(even) .art { order: 0; }
  .frow .art { min-height: 0; padding: var(--sp-6) var(--sp-4); }
  .frow > div:not(.art) { padding: var(--sp-6) var(--sp-5) var(--sp-7); }
  .cells { grid-template-columns: 1fr; }
  .cell, .cell:nth-child(3n) { border-right: 0; border-bottom: 1px solid var(--band-line); padding: var(--sp-5); }
  .cell:last-child { border-bottom: 0; }
  .steps { grid-template-columns: 1fr; gap: var(--sp-5); }
}
@media (max-width: 600px) {
  .nav { grid-template-columns: auto 1fr; padding: 0 var(--sp-4); }
  .nav-links { display: none; }
  .nav-brand { grid-column: 1; }
  .nav-end { grid-column: 2; }
  .wrap { padding: 0 var(--sp-4); }
  .hero { padding-top: calc(56px + var(--sp-7)); }
  .tty { flex-basis: calc(12 * 19px + var(--sp-6)); margin-top: var(--sp-6); padding: 0 var(--sp-4) var(--sp-6); }
  .tty-lines { font-size: 11.5px; line-height: 19px; }
  .tty .ln { min-height: 19px; }
  .term pre { padding-right: 0; padding-top: 44px; font-size: 12px; line-height: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
  .tty .cur, .hero::before, .hero-bg::after, .tty::after { animation: none; }
  .hero::before { display: none; }
  .tty-lines { transition: none; }
}