/* ============================================================
   Rainbow — brand site
   Aesthetic: editorial print manifesto.
   Type: Fraunces (display) + Bricolage Grotesque (body).
   Color: warm paper, dark ink, muted print rainbow.
   ============================================================ */

/* ------------------------------------------------------------
   Reset & roots
------------------------------------------------------------ */

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

html,
body {
  margin: 0;
  padding: 0;
}

:root {
  /* Type stacks */
  --font-display: "Fraunces", "Iowan Old Style", "Hoefler Text", Georgia, serif;
  --font-body:
    "Bricolage Grotesque", -apple-system, BlinkMacSystemFont, system-ui,
    sans-serif;

  /* Paper / ink palette */
  --paper: #f4ecd8; /* warm cream */
  --paper-soft: #ece1c7; /* slightly deeper */
  --paper-deep: #e3d6b8;
  --ink: #1a1612; /* warm near-black */
  --ink-mid: #514738;
  --ink-soft: #7a6e5c;
  --ink-faint: #b3a888;

  /* The platform stays understated — color is the user's
     content, not the brand. No rainbow palette here. */

  /* Layout */
  --content-max: 1280px;
  --content-pad: clamp(1.25rem, 4vw, 3rem);

  /* Motion */
  --ease-out: cubic-bezier(0.2, 0.65, 0.35, 1);
  --ease-in-out: cubic-bezier(0.65, 0.05, 0.35, 1);
}

html {
  font-family: var(--font-body);
  font-size: clamp(15px, 0.9vw + 11px, 17px);
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  font-feature-settings: "ss01", "ss02", "kern";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  background:
    /* subtle paper texture — soft warm vignette, no color */
    radial-gradient(circle at 20% 0%, rgba(26, 22, 18, 0.025), transparent 50%),
    radial-gradient(
      circle at 80% 100%,
      rgba(26, 22, 18, 0.03),
      transparent 55%
    ),
    var(--paper);
  position: relative;
  overflow-x: hidden;
}

/* paper-grain noise overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: multiply;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.08 0 0 0 0 0.05 0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

main,
section,
header,
footer {
  position: relative;
  z-index: 2;
}

/* ------------------------------------------------------------
   Typography
------------------------------------------------------------ */

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 0;
  /* Fraunces variable axes */
  font-variation-settings:
    "opsz" 144,
    "SOFT" 30,
    "WONK" 0;
}

h1 em,
h2 em,
h3 em {
  font-style: italic;
  font-variation-settings:
    "opsz" 144,
    "SOFT" 100,
    "WONK" 1;
}

p {
  margin: 0 0 1em;
}
p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 200ms var(--ease-out);
}

a:hover {
  color: var(--ink-mid);
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

/* ------------------------------------------------------------
   Masthead
------------------------------------------------------------ */

.masthead {
  position: relative;
  z-index: 10;
}

.masthead-rule {
  height: 4px;
  width: 100%;
  background: var(--ink);
  transform-origin: left center;
  animation: bandIn 900ms var(--ease-out) both;
}

@keyframes bandIn {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.5rem var(--content-pad) 1.25rem;
  max-width: var(--content-max);
  margin: 0 auto;
  border-bottom: 1px solid var(--ink);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  text-decoration: none;
}

.logomark {
  width: 38px;
  height: 23px;
  flex-shrink: 0;
  display: block;
  /* stroke uses currentColor — inherits the link color */
  transition: transform 320ms var(--ease-out);
}

.wordmark:hover .logomark {
  transform: translateY(-1px);
}

.wordmark-text {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  font-variation-settings:
    "opsz" 60,
    "SOFT" 80,
    "WONK" 0;
  font-style: italic;
  line-height: 1;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2rem;
  align-items: baseline;
  font-size: 0.95rem;
}

.nav-links a {
  position: relative;
  padding: 0.25em 0;
}

.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 250ms var(--ease-in-out);
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  background: var(--ink);
  color: var(--paper);
  padding: 0.4em 1em;
  display: inline-block;
  font-weight: 500;
  transition: background 200ms var(--ease-out);
}
.nav-cta:hover {
  background: var(--ink-mid);
  color: var(--paper);
}

@media (max-width: 720px) {
  .nav-links li:not(:last-child) {
    display: none;
  }
}

/* ------------------------------------------------------------
   Section meta (number + tag)
------------------------------------------------------------ */

.section-number,
.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-number {
  color: var(--ink);
  border-right: 1px solid var(--ink-mid);
  padding-right: 1em;
  margin-right: 1em;
}

.section-tag {
  color: var(--ink-mid);
}

.section-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  max-width: 14ch;
  font-variation-settings:
    "opsz" 144,
    "SOFT" 50,
    "WONK" 0;
}

.section-title em {
  display: block;
  color: var(--ink-mid);
  font-variation-settings:
    "opsz" 144,
    "SOFT" 100,
    "WONK" 1;
}

.section-title.big {
  font-size: clamp(3rem, 8vw, 7rem);
  letter-spacing: -0.04em;
}

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

.hero {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 7rem) var(--content-pad) clamp(4rem, 10vw, 9rem);
  position: relative;
}

.hero-meta {
  margin-bottom: 2.5rem;
  animation: fadeUp 700ms var(--ease-out) 100ms both;
}

.hero-headline {
  font-size: clamp(3.5rem, 12vw, 11rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  font-variation-settings:
    "opsz" 144,
    "SOFT" 30,
    "WONK" 0;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
  position: relative;
}

.hero-headline .line {
  display: block;
  animation: revealLine 900ms var(--ease-out) both;
}
.hero-headline .line-1 {
  animation-delay: 200ms;
}
.hero-headline .line-2 {
  animation-delay: 320ms;
  padding-left: 0.6em;
}
.hero-headline .line-3 {
  animation-delay: 440ms;
  margin-top: 10px;
}

.hero-headline em {
  font-style: italic;
  color: var(--ink);
  font-variation-settings:
    "opsz" 144,
    "SOFT" 100,
    "WONK" 1;
}

.hero-headline .period {
  display: inline-block;
  margin-left: -0.04em;
  /* The period is just the ink character — no decoration, no spin.
     The platform stays understated; the user provides the color. */
  color: var(--ink);
}

@keyframes revealLine {
  from {
    opacity: 0;
    transform: translateY(0.6em) skewY(2deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) skewY(0deg);
  }
}

.hero-body {
  max-width: 56ch;
  margin-left: auto;
  animation: fadeUp 700ms var(--ease-out) 600ms both;
}

.hero-lede {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.5vw + 0.4rem, 1.45rem);
  line-height: 1.4;
  font-variation-settings:
    "opsz" 24,
    "SOFT" 30;
  margin-bottom: 1.2em;
  font-weight: 350;
}

.hero-lede strong {
  font-weight: 500;
  font-variation-settings:
    "opsz" 24,
    "SOFT" 50;
}

.hero-lede em {
  font-style: italic;
  color: var(--ink);
  font-variation-settings:
    "opsz" 24,
    "SOFT" 80,
    "WONK" 1;
}

.hero-lede.dim {
  color: var(--ink-mid);
}

.hero-cta {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
  margin: 2rem 0 1.5rem;
}

.hero-fineprint {
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  margin: 0;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  font-family: var(--font-body);
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 220ms var(--ease-out);
  position: relative;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  padding: 0.85em 1.5em;
  border: 1px solid var(--ink);
}

.btn-primary .btn-label {
  font-weight: 500;
  letter-spacing: -0.005em;
}

.btn-primary .btn-meta {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.2em;
}

.btn-primary:hover {
  background: var(--ink-mid);
  border-color: var(--ink-mid);
  color: var(--paper);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink-faint);
}

.btn-primary:active {
  transform: translate(0, 0);
  box-shadow: 0 0 0 var(--ink);
}

.btn-lg {
  padding: 1.1em 1.8em;
  font-size: 1.1rem;
}

.btn-ghost {
  color: var(--ink);
  padding: 0.85em 0;
  position: relative;
}

.btn-ghost::after {
  content: "";
  position: absolute;
  left: 0;
  right: 1.5em;
  bottom: 0.6em;
  height: 1px;
  background: currentColor;
  transition: right 250ms var(--ease-in-out);
}

.btn-ghost:hover::after {
  right: 0;
}

.btn-link {
  color: var(--ink-mid);
  font-size: 0.9rem;
  padding: 0.3em 0;
  border-bottom: 1px solid var(--ink-faint);
  border-radius: 0;
  transition:
    color 200ms,
    border-color 200ms;
}

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

/* ------------------------------------------------------------
   Manifesto / pull-quote section
------------------------------------------------------------ */

.manifesto {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) var(--content-pad);
  border-top: 1px solid var(--ink);
}

.manifesto-meta {
  margin-bottom: 2.5rem;
}

.pullquote {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 4rem;
  max-width: 18ch;
  font-variation-settings:
    "opsz" 144,
    "SOFT" 80,
    "WONK" 1;
  font-weight: 350;
  position: relative;
}

.pullquote::before {
  content: "\201C";
  position: absolute;
  top: -0.5em;
  left: -0.4em;
  font-size: 2.5em;
  color: var(--ink);
  font-style: italic;
  font-variation-settings:
    "opsz" 144,
    "SOFT" 100,
    "WONK" 1;
  line-height: 1;
  z-index: -1;
  opacity: 0.18;
}

.pullquote em {
  font-style: italic;
  color: var(--ink);
}

.pullquote .strike {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--ink-mid);
  color: var(--ink-mid);
}

.pullquote cite {
  display: block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 1.5rem;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  max-width: 70ch;
  margin-left: auto;
}

@media (max-width: 720px) {
  .manifesto-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.col-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.8em;
}

.col p {
  font-size: 0.98rem;
  line-height: 1.6;
}
.col p.dim {
  color: var(--ink-mid);
  font-style: italic;
}

/* ------------------------------------------------------------
   Services index
------------------------------------------------------------ */

.services {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) var(--content-pad);
  border-top: 1px solid var(--ink);
}

.services-meta {
  margin-bottom: 2rem;
}

.services .section-title {
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}

.service {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 1.6rem 0.5rem;
  border-bottom: 1px solid var(--ink-faint);
  position: relative;
  transition:
    padding 320ms var(--ease-in-out),
    background 320ms var(--ease-in-out);
}

.service::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-c);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 320ms var(--ease-in-out);
}

.service:hover {
  padding-left: 2rem;
  background: rgba(255, 255, 255, 0.25);
}

.service:hover::before {
  transform: scaleY(1);
}

.service-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 400;
  font-style: italic;
  color: var(--ink-soft);
  letter-spacing: -0.02em;
  font-variation-settings:
    "opsz" 144,
    "SOFT" 100,
    "WONK" 1;
  line-height: 1;
  align-self: start;
  padding-top: 0.05em;
  transition: color 320ms var(--ease-in-out);
}

.service:hover .service-num {
  color: var(--accent-c);
}

.service-body {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 2rem;
  align-items: baseline;
}

.service-name {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  font-variation-settings:
    "opsz" 60,
    "SOFT" 30;
  grid-column: 1;
}

.service-desc {
  grid-column: 1;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--ink-mid);
  margin: 0;
  max-width: 56ch;
}

.service-tech {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: start;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
  border-bottom: 1px solid var(--ink-faint);
  padding-bottom: 0.15em;
  transition:
    color 200ms,
    border-color 200ms;
}

.service-tech:hover {
  color: var(--accent-c);
  border-color: var(--accent-c);
}

@media (max-width: 720px) {
  .service {
    grid-template-columns: 50px 1fr;
    gap: 1rem;
  }
  .service-num {
    font-size: 1.6rem;
  }
  .service-body {
    grid-template-columns: 1fr;
  }
  .service-tech {
    grid-column: 1;
    grid-row: auto;
    align-self: end;
  }
}

/* ------------------------------------------------------------
   How it works (steps)
------------------------------------------------------------ */

.how {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) var(--content-pad);
  border-top: 1px solid var(--ink);
}

.how-meta {
  margin-bottom: 2rem;
}

.how .section-title {
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  counter-reset: step;
}

@media (max-width: 880px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  display: grid;
  gap: 1rem;
  position: relative;
}

.step-num {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  font-weight: 350;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--ink);
  font-variation-settings:
    "opsz" 144,
    "SOFT" 100,
    "WONK" 0;
  font-feature-settings: "lnum";
  font-style: italic;
}

.step .step-num {
  color: var(--ink);
}

.step-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 450;
  letter-spacing: -0.02em;
  font-variation-settings:
    "opsz" 60,
    "SOFT" 30;
  margin-bottom: 0.4em;
}

.step-body p {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-mid);
}

.step-body code,
.step-body .kbd {
  font-family: "Bricolage Grotesque", monospace;
  font-feature-settings: "tnum";
  background: var(--paper-deep);
  padding: 0.1em 0.4em;
  border-radius: 2px;
  font-size: 0.92em;
  color: var(--ink);
  border: 1px solid var(--ink-faint);
}

.step-body .kbd {
  font-weight: 500;
  box-shadow: 0 1px 0 var(--ink-faint);
}

/* ------------------------------------------------------------
   Architecture diagram
------------------------------------------------------------ */

.architecture {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) var(--content-pad);
  border-top: 1px solid var(--ink);
}

.arch-meta {
  margin-bottom: 2rem;
}

.architecture .section-title {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

/* ─── Figure container ─── */
.arch-figure {
  margin: 0;
  background: var(--paper-soft);
  border: 1px solid var(--ink);
  padding: clamp(1.5rem, 3.5vw, 3rem);
  position: relative;
  overflow-x: auto;
}

.arch-svg {
  display: block;
  width: 100%;
  min-width: 760px; /* keeps annotations readable; section scrolls horizontally below this */
  height: auto;
  max-width: 1000px;
  margin: 0 auto;
}

.arch-caption {
  display: block;
  max-width: 56ch;
  margin: 2rem auto 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-mid);
  font-variation-settings:
    "opsz" 24,
    "SOFT" 80,
    "WONK" 0;
  text-align: center;
}

/* SVG-internal styling (boxes, lines, text fills, fonts) lives in an
   inline <style> block inside the SVG itself. See website/index.html
   under the architecture <figure>. Keeping it co-located with the
   markup avoids the cache-skew risk we hit during development. */

/* ------------------------------------------------------------
   Download
------------------------------------------------------------ */

.download {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) var(--content-pad);
  border-top: 1px solid var(--ink);
}

.download-meta {
  margin-bottom: 2rem;
}

.download .section-title.big {
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.download-card {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(2rem, 4vw, 3.5rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  position: relative;
  overflow: hidden;
}

@media (max-width: 720px) {
  .download-card {
    grid-template-columns: 1fr;
  }
}

.download-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--paper);
}

.download-card-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem;
}

@media (max-width: 480px) {
  .download-card-info {
    grid-template-columns: 1fr;
  }
}

.download-version {
  display: flex;
  flex-direction: column;
  gap: 0.2em;
  border-top: 1px solid rgba(244, 236, 216, 0.15);
  padding-top: 0.8em;
}

.dv-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.dv-value {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  font-variation-settings:
    "opsz" 60,
    "SOFT" 50;
  color: var(--paper);
}

.download-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.download-card .btn-primary {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
  padding: 1.2em 2em;
  font-size: 1.15rem;
}

.download-card .btn-primary:hover {
  background: var(--paper-deep);
  border-color: var(--paper-deep);
  color: var(--ink);
  box-shadow: 6px 6px 0 rgba(244, 236, 216, 0.4);
}

.download-card .btn-link {
  color: var(--ink-faint);
  border-color: rgba(244, 236, 216, 0.25);
}

.download-card .btn-link:hover {
  color: var(--paper);
  border-color: var(--paper);
}

.download-checksum {
  margin-top: 2rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--ink-faint);
  padding-top: 1.5rem;
}

.download-checksum summary {
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--ink-mid);
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}

.download-checksum summary::before {
  content: "+";
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink);
  transition: transform 200ms var(--ease-out);
}

.download-checksum[open] summary::before {
  content: "−";
}

.download-checksum dl {
  margin: 1rem 0 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5em 1.5em;
}

.download-checksum dt {
  font-weight: 500;
  color: var(--ink-mid);
}

.download-checksum dd {
  margin: 0;
}
.download-checksum code {
  font-family: "SF Mono", monospace;
  font-size: 0.85rem;
  color: var(--ink);
}

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

.footer {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) var(--content-pad) 2rem;
  border-top: 1px solid var(--ink);
  margin-top: clamp(3rem, 6vw, 5rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  margin-bottom: 3rem;
}

@media (max-width: 880px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-mark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  font-style: italic;
  letter-spacing: -0.03em;
  font-variation-settings:
    "opsz" 60,
    "SOFT" 80,
    "WONK" 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.logomark-sm {
  width: 32px;
  height: 19px;
}

.footer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink-mid);
  font-variation-settings:
    "opsz" 24,
    "SOFT" 100,
    "WONK" 1;
  margin: 0;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 1em;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5em;
  font-size: 0.92rem;
}

.footer-col a {
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms;
}

.footer-col a:hover {
  border-bottom-color: var(--ink);
  color: var(--ink);
}

.footer-creds li {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink-mid);
  font-size: 0.95rem;
  font-variation-settings:
    "opsz" 24,
    "SOFT" 80,
    "WONK" 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ink-faint);
  font-size: 0.82rem;
  color: var(--ink-soft);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-credo em {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink);
  font-variation-settings:
    "opsz" 24,
    "SOFT" 100,
    "WONK" 1;
}

/* ------------------------------------------------------------
   Reduced motion
------------------------------------------------------------ */

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