/* ==========================================================================
   Crank — getcrank.co
   Design tokens transcribed from design_handoff_crank_landing/README.md.
   Colours are OKLCH exactly as specified; do not "simplify" them to hex.
   ========================================================================== */

/* --- Fonts (self-hosted, latin subset). No third-party requests. --------- */

@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400 600;             /* variable */
  font-display: swap;
  src: url('/fonts/newsreader-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Newsreader';
  font-style: italic;
  font-weight: 400 500;             /* variable */
  font-display: swap;
  src: url('/fonts/newsreader-italic-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/space-mono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/space-mono-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --- Tokens -------------------------------------------------------------- */

:root {
  --paper:        oklch(98% 0.002 90);
  --paper-alt:    oklch(95% 0.004 85);
  --ink:          oklch(18% 0.004 90);
  --ink-soft:     oklch(38% 0.006 90);
  --ink-soft-2:   oklch(42% 0.006 90);
  --muted:        oklch(45% 0.006 90);
  --muted-2:      oklch(50% 0.006 90);
  --muted-3:      oklch(55% 0.006 90);
  --line:         oklch(84% 0.004 90);

  --accent:       oklch(52% 0.13 40);
  --accent-hover: oklch(40% 0.13 40);
  --accent-soft:  oklch(93% 0.025 45);
  --accent-ink:   oklch(30% 0.03 45);
  --accent-code:  oklch(32% 0.09 40);
  --accent-dim:   oklch(70% 0.1 45);

  --dark-bg:      oklch(18% 0.004 90);
  --dark-text:    oklch(96% 0.003 90);
  --dark-bright:  oklch(85% 0.006 90);
  --dark-body:    oklch(78% 0.006 90);
  --dark-body-2:  oklch(75% 0.006 90);
  --dark-muted:   oklch(70% 0.006 90);
  --dark-muted-2: oklch(65% 0.006 90);
  --dark-muted-3: oklch(60% 0.006 90);
  --dark-tab-border: oklch(40% 0.006 90);

  --panel-bg:     oklch(96% 0.003 90);
  --panel-urlbar: oklch(90% 0.004 90);
  --panel-row:    oklch(90% 0.004 90);

  --kept-bg:      oklch(93% 0.03 145);
  --kept-fg:      oklch(35% 0.08 145);
  --sup-bg:       oklch(90% 0.02 40);
  --sup-fg:       oklch(45% 0.08 40);

  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --mono:  'Space Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --pad-x:  clamp(20px, 6vw, 40px);
  --pad-y:  clamp(60px, 10vw, 90px);
  --pad-y-tall-top: clamp(56px, 12vw, 100px);

  color-scheme: light;
}

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

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }

img, svg { display: block; max-width: 100%; }
strong { font-weight: 600; }

/* Sticky nav would otherwise cover the top of any anchored section. The nav
   wraps as it narrows (measured: 86px wide, 131px mid, 165px narrow), so the
   offset has to follow it. These are the only breakpoints on the page and they
   affect scroll position only — layout still collapses via auto-fit alone. */
[id] { scroll-margin-top: 98px; }
@media (max-width: 559px) { [id] { scroll-margin-top: 143px; } }
@media (max-width: 439px) { [id] { scroll-margin-top: 177px; } }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 13px;
  text-decoration: none;
}
.skip-link:focus {
  left: 8px;
  top: 8px;
  color: var(--paper);
}

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

.wrap {
  max-width: 760px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.wrap--wide   { max-width: 820px; }
.wrap--core   { max-width: 860px; }
.wrap--narrow { max-width: 620px; }
.wrap--footer { max-width: 900px; }

.section       { padding-block: var(--pad-y); }
.section--tall { padding-block: var(--pad-y-tall-top) clamp(60px, 10vw, 90px); }
/* Core + list sections are symmetrically tall. */
.dark .section--tall { padding-block: clamp(60px, 12vw, 100px); }

.band {
  background: var(--paper-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.dark {
  background: var(--dark-bg);
  color: var(--dark-text);
}
#core { border-top: 1px solid var(--line); }

/* --- Spacing utilities (values transcribed 1:1 from the design file) ------ */

.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-18 { margin-bottom: 18px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mb-28 { margin-bottom: 28px; }
.mb-32 { margin-bottom: 32px; }
.mb-36 { margin-bottom: 36px; }
.mb-40 { margin-bottom: 40px; }
.mb-44 { margin-bottom: 44px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-44 { margin-top: 44px; }

/* --- Type ---------------------------------------------------------------- */

.h1 {
  font-size: clamp(34px, 8vw, 52px);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.h2 {
  font-size: clamp(25px, 6vw, 32px);
  font-weight: 500;
  line-height: 1.28;
}
.h2--lg {
  font-size: clamp(27px, 6vw, 34px);
  line-height: 1.2;
}
.dark .h2--lg { line-height: 1.25; }

.lead { font-size: 20px; color: var(--ink-soft); }
.body { font-size: 18px; }
.body--soft  { color: var(--ink-soft); }
.body--muted { color: var(--muted-2); font-size: 17px; }

.statement { font-weight: 600; color: var(--ink); }
.statement--19 { font-size: 19px; }
.statement--20 { font-size: 20px; }
.statement--22 { font-size: 22px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.eyebrow--dark { color: var(--accent-dim); }

.pullquote {
  font-size: 22px;
  font-style: italic;
  color: var(--ink);
  padding-left: 20px;
  border-left: 2px solid var(--line);
}
.pullquote--accent {
  font-size: 20px;
  border-left-color: var(--accent);
}

.citation {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted-2);
  line-height: 1.7;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

/* Hero: paragraphs 2 and 3 sit a step lighter than the lead. */
.section--tall .body--soft { color: var(--ink-soft-2); }

/* --- Nav ----------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px clamp(20px, 5vw, 40px);
  background: oklch(98% 0.002 90 / 0.92);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}
.nav__brand:hover { color: var(--ink); }

.mark { flex-shrink: 0; color: var(--ink); }

.nav__wordmark {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.nav__links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 32px);
  font-family: var(--mono);
  font-size: 13px;
}
.nav__link {
  color: var(--ink);
  text-decoration: none;
}
.nav__link:hover { color: var(--accent); }
.nav__cta { padding: 9px 16px; font-size: 13px; }

/* --- Buttons ------------------------------------------------------------- */

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 14px;
  padding: 14px 24px;
  border-radius: 2px;
  text-decoration: none;
}
.btn--solid {
  background: var(--ink);
  color: var(--paper);
}
.btn--solid:hover { background: var(--accent-hover); color: var(--paper); }
.btn--outline {
  border: 1px solid var(--ink);
  color: var(--ink);
}
.btn--outline:hover { border-color: var(--accent); color: var(--accent); }

.cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

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

.callout {
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  padding: 16px 20px;
}
.callout p {
  font-size: 15px;
  font-style: italic;
  color: var(--accent-ink);
  line-height: 1.55;
}

/* --- Section 2 tail ------------------------------------------------------ */

.not-list { margin-bottom: 6px; }

/* --- Section 4: opinion rows --------------------------------------------- */

.rows { display: flex; flex-direction: column; }

.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.row--last { border-bottom: 1px solid var(--line); }
.row__label { font-size: 16px; font-weight: 600; }
.row__text  { font-size: 16px; color: var(--ink-soft); }

/* --- Section 6: the core ------------------------------------------------- */

.dark .body { color: var(--dark-body); }
.dark .body--bright { color: var(--dark-bright); }
.dark .body strong { color: var(--dark-text); }
.dark .statement { color: var(--dark-text); }

.demo__disclaimer {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dark-muted-2);
  margin-bottom: 14px;
}

.demo__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.demo__tab {
  font-family: var(--mono);
  font-size: 13px;
  padding: 10px 18px;
  background: transparent;
  color: var(--dark-muted-2);
  border: 1px solid var(--dark-tab-border);
  border-radius: 4px 4px 0 0;
  cursor: pointer;
}
.demo__tab:hover { color: var(--dark-text); }
.demo__tab.is-active {
  background: var(--panel-bg);
  color: var(--ink);
  border-color: var(--panel-bg);
}

.demo__panel {
  background: var(--panel-bg);
  color: var(--ink);
  border-radius: 4px;
  overflow: hidden;
}
.demo__panel:focus-visible { outline-offset: 2px; }

.demo__urlbar {
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 12px 20px;
  background: var(--panel-urlbar);
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
}

.demo__blocks { padding: 28px 28px 8px; }

.demo__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--panel-row);
}

.demo__label { font-size: 15px; color: var(--ink); }
.demo__label--cut {
  color: var(--dark-muted-2);
  text-decoration: line-through;
}

.pill {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 10px;
}
.pill--kept       { background: var(--kept-bg); color: var(--kept-fg); }
.pill--suppressed { background: var(--sup-bg);  color: var(--sup-fg); }

.demo__trace {
  padding: 20px 28px 28px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}
.demo__trace strong { color: var(--ink); }
.demo__trace code {
  font-family: var(--mono);
  background: var(--accent-soft);
  color: var(--accent-code);
  padding: 1px 6px;
  border-radius: 2px;
}
/* Illustrative, not a real control — coloured like a link, deliberately inert. */
.demo__link { color: var(--accent); }

/* The handoff specifies a 2x2 grid for these four points. A 240px minimum
   fits three across at this section's width and strands the fourth, so the
   minimum is raised to force 2x2 — still auto-fit, still no breakpoints. */
.core-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 28px;
}
.core-grid__title {
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 6px;
}
.core-grid__text {
  font-size: 15px;
  color: var(--dark-muted);
}

/* --- Section 7: constraints ---------------------------------------------- */

.constraints {
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.constraints p {
  font-size: 17px;
  color: var(--ink-soft);
}
.constraints strong { color: var(--ink); }

/* --- Section 9: constitution --------------------------------------------- */

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 36px 40px;
}
.principle__num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 6px;
}
.principle__title { font-weight: 600; margin-bottom: 4px; }
.principle__text  { font-size: 15px; color: var(--muted); }

/* --- Section 11: the list ------------------------------------------------ */

.list { text-align: center; }

.list__intro {
  font-size: 17px;
  color: var(--dark-body-2);
  margin-bottom: 40px;
}

.list__cta { margin-bottom: 24px; }

/* Carries the visual weight the submit button had in the design. */
.list__mailto {
  display: inline-block;
  font-family: var(--mono);
  font-size: 14px;
  padding: 13px 22px;
  background: var(--accent);
  color: var(--paper);
  border-radius: 2px;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.list__mailto:hover { background: var(--accent-hover); color: var(--paper); }

.list__question {
  font-size: 14px;
  color: var(--dark-muted-2);
  margin-bottom: 36px;
}
.list__nospam {
  font-size: 14px;
  font-style: italic;
  color: var(--dark-muted-3);
}

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

.footer { border-top: 1px solid var(--line); }

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  padding-block: clamp(30px, 8vw, 50px);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.footer__wordmark {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
}
.footer__tagline { font-size: 14px; color: var(--muted); }

.footer__links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 13px;
}
.footer__links a { color: var(--ink-soft); }
.footer__links a:hover { color: var(--accent-hover); }

.footer__bottom { padding-bottom: clamp(24px, 6vw, 40px); }
.footer__bottom p {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted-3);
}

/* --- Motion -------------------------------------------------------------- */
/* The toggle is the only interaction on this page. Nothing animates on scroll,
   nothing autoplays — arguing against that is half the point of the copy. */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}