/* R.Code for Claude Code — site layout and page styles.
   Uses design-system tokens only (assets/ds/tokens.css) plus 1px/2px
   border and outline widths, per the design system's own convention. */

/* ---- Reset / base -------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--ground);
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 26px;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
figure {
  margin: 0 0 var(--space-4) 0;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--clay);
}

a:hover {
  text-decoration: none;
}

/* ---- Focus + motion -------------------------------------------------- */

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -48px;
  z-index: 100;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: var(--space-4);
}

/* ---- Layout ----------------------------------------------------------- */

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

main {
  display: block;
}

section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

section:first-child {
  padding-top: var(--space-6);
}

.prose {
  max-width: 65ch;
}

/* On `class="wrap prose"` the page column stays the full .wrap width, so the
   text lines up with the page heads; the 65ch reading measure moves to the
   children instead of shrinking (and re-centering) the whole column. */
.wrap.prose {
  max-width: 1120px;
}

.wrap.prose > * {
  max-width: 65ch;
}

/* ---- Block motif ---------------------------------------------------------- */
/* The block composition is the brand's primary motif (design system, "Visual
   foundations"): solid rectangles in the identity colors, fitted together on
   the space-2 grid, always cut off by a container edge on at least one side.
   Tokens only — colors switch with the theme automatically. */

.block-cap {
  display: block;
  width: var(--space-6);
  height: var(--space-6);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

.block-cap--clay {
  background: var(--clay);
}

.block-cap--ink {
  background: var(--ink);
}

.block-cap--go {
  background: var(--go);
}

.block-cap--wait {
  background: var(--wait);
}

.block-cap--focus {
  background: var(--focus);
}

.block-rule {
  display: flex;
  align-items: stretch;
  gap: var(--space-6);
  height: var(--space-2);
  width: 100%;
  overflow: hidden;
}

.block-rule__seg {
  flex: 0 0 auto;
}

.block-rule__seg--clay {
  flex-basis: 32%;
  background: var(--clay);
}

.block-rule__seg--ink {
  flex-basis: 14%;
  background: var(--ink);
}

.block-rule__seg--go {
  flex-basis: 10%;
  background: var(--go);
}

.block-rule__seg--wait {
  flex-basis: 8%;
  background: var(--wait);
}

.block-rule__seg--focus {
  flex-basis: 12%;
  background: var(--focus);
}

.block-rule__seg--dither {
  flex: 1 1 auto;
  background-image: linear-gradient(
      45deg,
      var(--clay) 25%,
      transparent 25%,
      transparent 75%,
      var(--clay) 75%
    ),
    linear-gradient(
      45deg,
      var(--clay) 25%,
      transparent 25%,
      transparent 75%,
      var(--clay) 75%
    );
  background-size: calc(var(--space-2) * 2) calc(var(--space-2) * 2);
  background-position: 0 0, var(--space-2) var(--space-2);
}

/* Hero composition (index.html) — large, right of the copy, cut by its own
   column's right edge. Below 720px a smaller subset takes over instead. */

.hero-inner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
}

.hero-copy {
  flex: 1 1 auto;
  min-width: 0;
}

.hero-blocks {
  flex: 0 0 340px;
  height: 274px;
  position: relative;
  overflow: hidden;
}

.hero-blocks svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 400px;
  height: auto;
}

.hero-blocks-mobile {
  display: none;
}

/* Page-header composition (install/how-it-works/cockpit/vault/404) — a small
   subset of the same composition, cut by its column's right edge. */

.page-hero__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
}

.page-hero__copy {
  flex: 1 1 auto;
  min-width: 0;
}

.page-hero__blocks {
  flex: 0 0 280px;
  width: 280px;
  height: 208px;
  position: relative;
  overflow: hidden;
}

.page-hero__blocks svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 320px;
  height: auto;
}

.page-hero--center .page-hero__inner {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-hero--center .page-hero__blocks {
  margin: 0 auto var(--space-4) auto;
}

/* Install marginalia (index.html) — a narrow vertical block bar beside the
   quick-install code block. */

.install-quick__row {
  display: flex;
  align-items: stretch;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.block-bar {
  flex: 0 0 var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.block-bar__seg--clay {
  flex: 3 1 0;
  background: var(--clay);
  border-radius: var(--radius-sm);
}

.block-bar__seg--go {
  flex: 1 1 0;
  background: var(--go);
  border-radius: var(--radius-sm);
}

.install-quick__row .code-block {
  flex: 1 1 auto;
  min-width: 0;
  margin-bottom: 0;
}

/* ---- Header / nav ------------------------------------------------------ */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--ground);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.brand-mark {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 18px;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark__main {
  color: var(--clay);
}

.brand-mark__sub {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.55em;
  margin-left: var(--space-1);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--clay);
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
  padding: var(--space-1) var(--space-2);
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--focus);
}

/* ---- Footer ------------------------------------------------------------ */

.site-footer {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
  margin-top: var(--space-6);
}

.site-footer p {
  color: var(--muted);
  max-width: 75ch;
}

.site-footer a {
  color: var(--muted);
}

.site-footer a:hover {
  color: var(--clay);
}

/* ---- Hero --------------------------------------------------------------- */

.hero {
  padding-top: var(--space-12);
  position: relative;
  overflow: hidden;
}

.hero-name {
  margin: 0 0 var(--space-4) 0;
}

.hero-name__main {
  display: block;
  color: var(--clay);
}

.hero-name__sub {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--ink);
  font-size: 26px;
  line-height: 32px;
  margin-top: var(--space-2);
}

.hero-tagline {
  color: var(--ink);
  margin-bottom: var(--space-2);
}

.hero-subline {
  color: var(--muted);
  max-width: 65ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
  margin-bottom: 0;
}

.hero-actions .rc-button {
  font-size: 16px;
}

/* ---- Hero shot ------------------------------------------------------------ */

/* The hero shot and the live cockpit cards below it are one group: the
   screenshot, then the same boxes as live components. */
.hero-shot-section {
  padding-top: var(--space-6);
  padding-bottom: 0;
}

.cockpit-section {
  padding-top: var(--space-6);
}

.hero-shot {
  margin: 0;
}

/* The rendered screenshot already draws its own window frame on a ground
   margin — no second box around it. */
.hero-shot .framed-shot {
  border-color: transparent;
  background: transparent;
}

/* ---- Cockpit demo -------------------------------------------------------- */

.cockpit-demo {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: stretch;
}

.cockpit-demo .rc-cockpit-box {
  height: 100%;
  margin: 0;
}

/* Two screenshots of different aspect ratio side by side: column widths
   proportional to each image's width/height ratio make both frames exactly
   the same height (close-up 1440x2000, focus 922x2072). */
.shot-pair {
  display: grid;
  grid-template-columns: 72fr 44.5fr;
  gap: var(--space-6);
  align-items: start;
}

.shot-pair figure {
  margin: 0;
}

.shot-pair figcaption {
  color: var(--muted);
  margin-top: var(--space-2);
}

.section-caption {
  color: var(--muted);
  margin-top: var(--space-4);
}

/* ---- Grids --------------------------------------------------------------- */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.benefit-tile p {
  color: var(--muted);
  margin-bottom: 0;
}

.benefit-tile .rc-cockpit-box__heading {
  color: var(--ink);
}

.benefit-tile--wide {
  grid-column: 1 / -1;
}

/* ---- Proof points -------------------------------------------------------- */

/* Four facts as four modules: a 2x2 grid, each item headed by a small
   square in the next identity color (clay, ink, go, focus — the block
   composition's order). */
.proof-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.proof-points p {
  color: var(--muted);
  margin: 0;
  padding-left: calc(var(--space-2) + var(--space-4));
  position: relative;
}

.proof-points p::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: var(--space-2);
  height: var(--space-2);
  border-radius: 1px;
  background: var(--clay);
}

.proof-points p:nth-child(2)::before {
  background: var(--ink);
}

.proof-points p:nth-child(3)::before {
  background: var(--go);
}

.proof-points p:nth-child(4)::before {
  background: var(--focus);
}

/* ---- Demo figures --------------------------------------------------------- */

.demo-figures {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.demo-figures figure {
  margin: 0;
}

.demo-figures img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.demo-figures figcaption {
  color: var(--muted);
  margin-top: var(--space-2);
}

/* ---- Framed screenshots ---------------------------------------------------- */

.framed-shot {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.framed-shot img {
  width: 100%;
  height: auto;
}

/* ---- Code blocks + copy buttons -------------------------------------------- */

.code-block {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  padding-right: calc(var(--space-4) * 3);
  margin-bottom: var(--space-4);
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 22px;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}

.copy-btn {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
  padding: var(--space-1) var(--space-2);
  cursor: pointer;
}

.copy-btn:hover {
  color: var(--ink);
  border-color: var(--focus);
}

/* ---- Tables --------------------------------------------------------------- */

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
}

th,
td {
  text-align: left;
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

td {
  color: var(--ink);
}

td code,
p code,
li code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0 var(--space-1);
}

/* ---- Flow (how it works) --------------------------------------------------- */

.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: var(--space-4);
}

.flow-step {
  flex: 1 1 200px;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 20px;
  min-width: var(--space-6);
}

.flow-loop {
  margin-top: var(--space-6);
}

.flow-loop ol {
  padding-left: var(--space-6);
  color: var(--ink);
}

.flow-loop li {
  margin-bottom: var(--space-2);
}

/* ---- 404 -------------------------------------------------------------------- */

.not-found {
  text-align: center;
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

/* ---- Responsive ------------------------------------------------------------- */

@media (max-width: 720px) {
  .grid-2,
  .cockpit-demo,
  .demo-figures,
  .proof-points,
  .shot-pair {
    grid-template-columns: 1fr;
  }

  section {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  /* Header in two rows instead of three: brand + theme toggle, then the
     nav as one horizontally scrollable line. */
  .site-header__inner {
    gap: var(--space-2) var(--space-4);
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-nav {
    order: 3;
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    gap: calc(var(--space-2) + var(--space-1));
    padding-bottom: var(--space-1);
  }

  .site-nav a {
    white-space: nowrap;
    font-size: 13px;
  }

  .flow {
    flex-direction: column;
  }

  .flow-arrow {
    min-height: var(--space-6);
  }

  .hero-name .display {
    font-size: 44px;
    line-height: 1;
  }

  .hero-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-blocks {
    display: none;
  }

  .hero-blocks-mobile {
    display: block;
    overflow: hidden;
    margin-top: var(--space-6);
    margin-right: calc(-1 * var(--space-4));
  }

  /* Right-aligned and cut by the viewport edge, as on desktop. */
  .hero-blocks-mobile {
    display: flex;
    justify-content: flex-end;
  }

  .hero-blocks-mobile svg {
    display: block;
    flex: 0 0 auto;
    width: 300px;
    height: auto;
    max-width: none;
    margin-right: -40px;
  }

  .page-hero__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .page-hero__blocks {
    order: -1;
    flex: 0 0 auto;
    width: 200px;
    height: 150px;
    margin-bottom: var(--space-4);
  }

  .page-hero__blocks svg {
    width: 230px;
  }

  .install-quick__row {
    flex-direction: column;
  }

  .block-bar {
    flex-direction: row;
    width: 100%;
    height: var(--space-2);
  }
}