/* Riso Folio — Risograph Paste-Up
   Signature: layered misregistered ink plates + cut-paper collage on newsprint.
   Opposite of Spare Beam void/beam. Distinct from desk/ledger/census looks. */

:root {
  color-scheme: light;

  --news: #EDE6D9;
  --sheet: #F7F2E6;
  --ink: #1A1C18;
  --mute: #5C6358;
  --line: #C9C0B0;
  --pink: #FF2D6A;
  --teal: #0F7A6C;
  --cyan: #2BB3C0;
  --plate: #FFF9EF;

  --display: "Syne", "Segoe UI", sans-serif;
  --text: "Literata", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --shell: min(1040px, calc(100% - 2rem));
  --measure: 62ch;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 45, 106, 0.07), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(15, 122, 108, 0.08), transparent 38%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      rgba(26, 28, 24, 0.015) 3px,
      rgba(26, 28, 24, 0.015) 4px
    ),
    var(--news);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-weight: 400;
}

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

a {
  color: var(--teal);
  text-underline-offset: 0.18em;
}
a:hover { color: var(--pink); }
a:focus-visible {
  outline: 2px solid var(--pink);
  outline-offset: 3px;
}

.rf-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--sheet);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.rf-skip:focus { left: 0.75rem; top: 0.75rem; }

.rf-shell {
  width: var(--shell);
  margin-inline: auto;
}

.rf-top {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--sheet) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.rf-top .rf-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}
.rf-wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
}
.rf-wordmark span {
  color: var(--pink);
}
.rf-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.rf-nav a {
  color: var(--mute);
  text-decoration: none;
}
.rf-nav a[aria-current="page"],
.rf-nav a:hover { color: var(--ink); }

/* Hero — brand first + paste-up collage */
.rf-hero {
  position: relative;
  overflow: clip;
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(3rem, 8vw, 5.5rem);
  border-bottom: 1px solid var(--line);
}
.rf-hero-grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 880px) {
  .rf-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    gap: 2.5rem;
  }
}

.rf-brand {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3.2rem, 10vw, 6.4rem);
  line-height: 0.9;
  letter-spacing: -0.045em;
  margin: 0 0 1rem;
  color: var(--ink);
}
.rf-brand .rf-misreg {
  position: relative;
  display: inline-block;
  color: var(--pink);
}
.rf-brand .rf-misreg::before {
  content: attr(data-ghost);
  position: absolute;
  inset: 0;
  color: var(--cyan);
  transform: translate(3px, -2px);
  opacity: 0.55;
  z-index: -1;
  pointer-events: none;
}
.rf-brand .rf-misreg::after {
  content: attr(data-ghost);
  position: absolute;
  inset: 0;
  color: var(--teal);
  transform: translate(-2px, 2px);
  opacity: 0.4;
  z-index: -2;
  pointer-events: none;
}

.rf-lede {
  max-width: 38ch;
  margin: 0;
  font-size: 1.125rem;
  color: var(--mute);
}

.rf-collage {
  position: relative;
  min-height: 280px;
  isolation: isolate;
}
.rf-scrap {
  position: absolute;
  background: var(--plate);
  border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  box-shadow: 4px 6px 0 color-mix(in srgb, var(--ink) 8%, transparent);
  padding: 0.85rem 1rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  animation: rf-settle 1.1s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.rf-scrap--pink {
  background: color-mix(in srgb, var(--pink) 16%, var(--plate));
  border-color: color-mix(in srgb, var(--pink) 45%, var(--line));
  left: 8%;
  top: 12%;
  width: min(220px, 62%);
  transform: rotate(-6deg);
  animation-delay: 0.05s;
}
.rf-scrap--teal {
  background: color-mix(in srgb, var(--teal) 14%, var(--plate));
  border-color: color-mix(in srgb, var(--teal) 40%, var(--line));
  right: 4%;
  top: 28%;
  width: min(240px, 68%);
  transform: rotate(4deg);
  animation-delay: 0.18s;
  z-index: 2;
}
.rf-scrap--cyan {
  background: color-mix(in srgb, var(--cyan) 14%, var(--plate));
  border-color: color-mix(in srgb, var(--cyan) 40%, var(--line));
  left: 18%;
  bottom: 8%;
  width: min(260px, 72%);
  transform: rotate(-2deg);
  animation-delay: 0.3s;
  z-index: 3;
}
.rf-scrap strong {
  display: block;
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  text-transform: none;
  margin-top: 0.35rem;
  color: var(--ink);
}

@keyframes rf-settle {
  from {
    opacity: 0;
    translate: 0 -18px;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rf-scrap { animation: none; }
  html { scroll-behavior: auto; }
}

.rf-part {
  padding: clamp(2.5rem, 6vw, 4.25rem) 0;
  border-bottom: 1px solid var(--line);
}
.rf-part--band {
  background: color-mix(in srgb, var(--sheet) 70%, transparent);
}
.rf-part--tight { padding-block: clamp(2rem, 4vw, 3rem); }

.rf-part h1,
.rf-part h2,
.rf-open h1 {
  font-family: var(--display);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin: 0 0 0.85rem;
}
.rf-open {
  padding: clamp(2.25rem, 5vw, 3.5rem) 0 1.25rem;
}
.rf-open h1 { font-size: clamp(2rem, 5vw, 3.1rem); }
.rf-part h2 { font-size: clamp(1.55rem, 3.5vw, 2.15rem); }
.rf-part h3 {
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
}
.rf-part p { max-width: var(--measure); margin: 0 0 1rem; }
.rf-kicker {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pink);
  margin: 0 0 0.65rem;
}

.rf-rows { display: grid; gap: 1.25rem; margin-top: 1.5rem; }
.rf-row {
  display: grid;
  gap: 0.5rem 1.25rem;
  padding: 1.15rem 1.2rem;
  background: var(--plate);
  border: 1px solid var(--line);
  box-shadow: 3px 3px 0 color-mix(in srgb, var(--pink) 18%, transparent);
  transform: rotate(-0.2deg);
}
.rf-row:nth-child(2n) {
  transform: rotate(0.25deg);
  box-shadow: 3px 3px 0 color-mix(in srgb, var(--teal) 18%, transparent);
}
.rf-row-title a {
  color: var(--ink);
  text-decoration: none;
}
.rf-row-title a:hover { color: var(--pink); }
.rf-row-names {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--mute);
  letter-spacing: 0.02em;
}

.rf-defs { margin: 1rem 0 0; }
.rf-defs dt {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  margin: 1.25rem 0 0.35rem;
}
.rf-defs dd { margin: 0; }
.rf-defs dd p { margin-top: 0; }

.rf-list {
  margin: 0.5rem 0 1rem;
  padding-left: 1.15rem;
  max-width: var(--measure);
}
.rf-list li { margin-bottom: 0.45rem; }

.rf-article {
  padding: clamp(2rem, 5vw, 3.25rem) 0 4rem;
}
.rf-article .rf-prose {
  max-width: var(--measure);
}
.rf-article h2 {
  font-family: var(--display);
  font-size: 1.45rem;
  margin: 2rem 0 0.65rem;
  letter-spacing: -0.02em;
}
.rf-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 1.5rem;
}

.rf-foot {
  padding: 2.25rem 0 3rem;
  background: var(--ink);
  color: color-mix(in srgb, var(--sheet) 88%, white);
}
.rf-foot a { color: var(--cyan); }
.rf-foot a:hover { color: var(--pink); }
.rf-foot p {
  max-width: 70ch;
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: color-mix(in srgb, var(--sheet) 72%, transparent);
}
.rf-foot-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  padding: 0;
  margin: 0 0 1.25rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.rf-foot-links a { text-decoration: none; color: var(--sheet); }
.rf-foot-links a:hover { color: var(--pink); }

@media (max-width: 640px) {
  .rf-top .rf-shell { flex-direction: column; align-items: flex-start; }
  .rf-collage { min-height: 240px; }
}