/* The landing page.
 *
 * Colour, spacing, radii and the two font stacks all come from @haelan/tokens via theme.css, so
 * this page and the app cannot drift apart and both themes come free. What the tokens do not
 * carry is a poster scale: --font-size-xl is 34px, correct for a dense dashboard and far too
 * quiet for a headline, so the display sizes below are defined here and nowhere else. They are
 * the only values on this page that are not a token, and scripts/test/site-content.test.ts
 * enforces exactly that - every var() must resolve either to a token or to one of these.
 *
 * No webfont, on purpose: the page loads nothing from a third party, which rules out the usual
 * way a marketing page gets its personality. It comes instead from weight and tracking on the
 * display sizes, and from --font-mono on every label and caption - the register of a tool that
 * deals in measurements.
 */

:root {
  --display-xl: clamp(2.4rem, 5.4vw, 4.1rem);
  --display-lg: clamp(1.6rem, 2.6vw, 2.1rem);
  --display-md: clamp(1.15rem, 1.6vw, 1.35rem);
  --lede: clamp(1.05rem, 1.4vw, 1.2rem);
  --measure: 34rem;
  --page: 76rem;
  --gutter: clamp(var(--space-4), 4vw, var(--space-8));
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--leading-relaxed);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:focus-visible, .button:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: var(--radius-sm); }

/* Mono, uppercase, wide: the label voice for every section, and the one typographic device the
   page repeats. It reads as an instrument panel rather than a brochure, which is what this is. */
.eyebrow {
  display: flex; align-items: center; gap: var(--space-2);
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--font-size-micro);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.eyebrow .mark { display: block; }

h1 {
  margin: 0 0 var(--space-4);
  font-size: var(--display-xl);
  line-height: 1.04;
  letter-spacing: -.03em;
  font-weight: var(--weight-bold);
  text-wrap: balance;
}
h2 {
  margin: 0 0 var(--space-3);
  font-size: var(--display-md);
  line-height: 1.25;
  letter-spacing: -.01em;
  font-weight: var(--weight-semibold);
}
p { margin: 0 0 var(--space-4); color: var(--text-secondary); }

.button {
  display: inline-flex; align-items: center;
  padding: calc(var(--space-3) + 2px) var(--space-5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--weight-medium);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard);
}
.button:hover { background: var(--surface-hover); }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--surface-page); }
.button.primary:hover { background: var(--accent-soft); border-color: var(--accent-soft); }

/* ---- hero ---------------------------------------------------------------- */

/* One ambient wash, anchored behind the screenshot, mixed from the accent rather than from a
   colour of its own so it holds in both themes and cannot drift from the palette. It sits behind
   the hero only: the page gets one atmospheric moment, near the thing it is pointing at, and the
   rest stays flat. color-mix with transparent rather than an rgba() literal is what keeps the
   no-raw-colour rule true here. */
/* The wash goes on the wrapper, which is the full width of the viewport; the header inside it
   stays capped at the page measure. Painted on the header itself, the gradient stopped where that
   column stopped and left a dark band down each side of a wide screen. */
.hero-wrap { position: relative; overflow: hidden; }
.hero-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(65rem 40rem at 72% 8%, var(--accent-wash), transparent 70%),
    radial-gradient(50rem 34rem at 12% 0%, color-mix(in oklab, var(--accent-soft) 10%, transparent), transparent 66%);
}
.hero {
  position: relative;
  display: grid;
  gap: var(--gutter);
  align-items: center;
  max-width: var(--page);
  margin: 0 auto;
  padding: clamp(var(--space-6), 8vw, calc(var(--space-6) * 3)) var(--gutter) var(--space-6);
}
.hero-text { max-width: var(--measure); }
.lede { font-size: var(--lede); color: var(--text-secondary); text-wrap: pretty; }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin: var(--space-6) 0 var(--space-3); }
.actions-note { margin: 0; font-size: var(--font-size-sm); color: var(--text-muted); }

/* The shot sits in an inset frame rather than floating: the app is a dense dark surface and needs
   an edge to stop against, and the same inset is what the cards below use. */
.hero-shot img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--surface-inset);
}

@media (min-width: 60rem) {
  .hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
  /* Bleeds past the right gutter so the dashboard reads as a window onto something larger,
     rather than a centred thumbnail of it. */
  .hero-shot { margin-right: calc(var(--gutter) * -1); }
}

/* ---- the day ribbon ------------------------------------------------------ */

/* The page's one loud element. 91 days of the demo's own steps, one bar each, full bleed: the
   argument the project rests on is that a day is either kept or gone, and a wall of days makes
   it without a sentence. Everything else on the page stays quiet so this can be the thing you
   remember. */
.days { padding: var(--space-6) 0 clamp(var(--space-6), 6vw, var(--space-8)); }
.ribbon {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: clamp(70px, 9vw, 120px);
  padding: 0 var(--gutter);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  background: var(--surface-rail);
  overflow: hidden;
}
.ribbon i {
  flex: 1 1 0;
  min-width: 2px;
  /* Solid at the top, thinning towards the baseline: the days read as standing up out of the
     record rather than as a printed bar chart, and the wall gains depth without another colour. */
  background: linear-gradient(to top, color-mix(in oklab, var(--accent) 45%, transparent), var(--accent));
  border-radius: 1px 1px 0 0;
  /* The quietest days would otherwise read as gaps in the record, which is the opposite of what
     this element says. */
  min-height: 3px;
}
.ribbon-caption {
  display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); align-items: baseline;
  max-width: var(--page); margin: var(--space-4) auto 0; padding: 0 var(--gutter);
}
.ribbon-title { font-size: var(--font-size-md); color: var(--text-primary); font-weight: var(--weight-medium); }
.ribbon-range {
  font-family: var(--font-mono);
  font-size: var(--font-size-micro);
  letter-spacing: .06em;
  color: var(--text-faint);
}

/* ---- three cards --------------------------------------------------------- */

.what {
  display: grid; gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  max-width: var(--page); margin: 0 auto; padding: 0 var(--gutter);
}
.card {
  padding: var(--space-6);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
}
.card p:last-child { margin-bottom: 0; }
.card p { font-size: var(--font-size-sm); }

/* ---- the cap ------------------------------------------------------------- */

/* The tint belongs to the band, which runs edge to edge; the content inside keeps the page
   measure. The other way round it reads as a floating box with cut edges rather than a band. */
.band {
  margin: clamp(var(--space-6), 7vw, calc(var(--space-6) * 2.5)) 0;
  background: var(--surface-inset);
  border-block: 1px solid var(--border-subtle);
}
.why {
  display: grid; gap: var(--gutter); align-items: start;
  max-width: var(--page); margin: 0 auto;
  padding: var(--space-6) var(--gutter);
}
/* The number is the argument: a hosted haelan stops at a hundred people, so it is not offered.
   Set as a figure rather than written into the sentence, because it is the whole reason for the
   shape of the project. */
.cap-number {
  margin: 0;
  font-size: clamp(3.5rem, 9vw, 6rem);
  line-height: .9;
  letter-spacing: -.04em;
  font-weight: var(--weight-bold);
  color: var(--accent);
}
.why-text { max-width: var(--measure); }
.why-text p { font-size: var(--font-size-sm); }
.why-cost { margin-bottom: 0; color: var(--text-muted); }

@media (min-width: 60rem) {
  .why { grid-template-columns: auto minmax(0, 1fr); padding-block: clamp(var(--space-6), 5vw, var(--space-8)); }
}

/* ---- run it -------------------------------------------------------------- */

.run {
  display: grid; gap: var(--gutter); align-items: start;
  max-width: var(--page); margin: 0 auto; padding: 0 var(--gutter);
}
.run-text { max-width: var(--measure); }
.run-text p { font-size: var(--font-size-sm); margin-bottom: 0; }
.run pre {
  margin: 0; padding: var(--space-5);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}
.run code { font-family: var(--font-mono); font-size: var(--font-size-xs); line-height: var(--leading-relaxed); color: var(--text-secondary); }

@media (min-width: 60rem) {
  .run { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; }
}

/* ---- gallery ------------------------------------------------------------- */

.gallery { max-width: var(--page); margin: clamp(var(--space-6), 7vw, calc(var(--space-6) * 2.5)) auto 0; padding: 0 var(--gutter); }
.gallery-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.gallery figure { margin: 0; }
.gallery img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface-inset);
}
.gallery figcaption {
  margin-top: var(--space-2);
  font-family: var(--font-mono); font-size: var(--font-size-micro);
  letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint);
}
.gallery-note { margin: var(--space-4) 0 0; font-size: var(--font-size-xs); color: var(--text-faint); }

/* ---- full-size screenshots ----------------------------------------------- */

/* Every screenshot on the page links to a full-size copy of itself, revealed by `:target` and
   hidden again when the fragment clears. No script: the page loads nothing and runs nothing, and
   the footer's no-telemetry line stays literally true.

   What that costs, said plainly because it cannot be fixed here: the Escape key does nothing, and
   the page behind an open shot still scrolls. Both need a keydown listener and a scroll lock, and
   neither is worth a script tag on a page that otherwise has none. The exits are made obvious
   instead - the whole backdrop is a link, the close control is a button, and Back works. */

.shot-link { display: block; border-radius: inherit; cursor: zoom-in; }
.shot-link img { transition: border-color var(--duration-fast) var(--ease-standard); }
.shot-link:hover img { border-color: var(--accent); }

.lightbox { display: none; }
.lightbox:target {
  display: grid;
  position: fixed; inset: 0; z-index: 10;
  place-items: center;
  padding: var(--gutter);
  overscroll-behavior: contain;
}
/* Covers the viewport beneath the figure, so a click anywhere outside the image closes it - the
   gesture most people try first, and the only one that needs no instruction. */
.lightbox-backdrop {
  position: absolute; inset: 0;
  background: color-mix(in oklab, var(--surface-page) 96%, transparent);
  cursor: zoom-out;
}
.lightbox-figure {
  position: relative;
  display: flex; flex-direction: column; gap: var(--space-3);
  margin: 0;
  max-width: min(100%, 82rem);
}
/* Bounded by the shorter of the two axes so a 1440x900 capture fits a phone in portrait and a
   wide monitor without cropping either. The subtraction leaves room for the caption row under it;
   dvh rather than vh because a mobile browser's toolbars make vh taller than what is visible. */
.lightbox-figure img {
  display: block;
  width: auto; height: auto;
  max-width: 100%;
  max-height: calc(100dvh - var(--gutter) * 2 - 3.5rem);
  object-fit: contain;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface-inset);
}
.lightbox-figure figcaption {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  font-family: var(--font-mono); font-size: var(--font-size-micro);
  letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint);
}
.lightbox-close {
  flex: none;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  color: var(--text-primary);
  text-decoration: none;
}
.lightbox-close:hover { background: var(--surface-hover); }

/* ---- footer -------------------------------------------------------------- */

footer {
  max-width: var(--page);
  margin: clamp(var(--space-6), 7vw, calc(var(--space-6) * 2.5)) auto 0;
  padding: var(--space-6) var(--gutter) var(--space-8);
  border-top: 1px solid var(--border-subtle);
}
.footer-cta { margin-bottom: var(--space-5); }
.footer-meta { margin: 0 0 var(--space-2); font-size: var(--font-size-xs); color: var(--text-muted); }

@media (prefers-reduced-motion: reduce) {
  .button, .shot-link img { transition: none; }
}