/* Acre & Ledger: card catalog. Six palette tokens, hue 158. */
:root {
  --paper: #eaf0ee;   /* page background */
  --card: #f8fbfa;    /* index card stock */
  --ink: #122b22;     /* all body text and dark rules */
  --forest: #176347;  /* header, buttons, dividers, focus rings */
  --sage: #8ec2af;    /* secondary tabs, soft borders, footer links */
  --mint: #c9e9dd;    /* drawer interiors and card shadows */
  color-scheme: light;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--paper);
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2.1rem, 1.5rem + 3vw, 3.6rem);
}

h2 {
  font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.4rem);
}

h3 {
  font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--forest);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration-thickness: 2px;
}

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

svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul,
ol {
  padding-left: 1.25em;
}

.wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* SVG fill and stroke tokens */
.f-paper { fill: var(--paper); }
.f-card { fill: var(--card); }
.f-ink { fill: var(--ink); }
.f-forest { fill: var(--forest); }
.f-sage { fill: var(--sage); }
.f-mint { fill: var(--mint); }
.s-ink { stroke: var(--ink); }
.s-forest { stroke: var(--forest); }
.s-sage { stroke: var(--sage); }
.s-mint { stroke: var(--mint); }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  background-color: var(--card);
  color: var(--ink);
  border: 2px solid var(--forest);
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid var(--forest);
  outline-offset: 2px;
}

.eyebrow {
  margin: 0 0 0.8rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--forest);
}

.prose {
  max-width: 42rem;
}

.lede {
  max-width: 36rem;
  font-size: clamp(1.08rem, 1rem + 0.45vw, 1.3rem);
}

/* Header */
.site-header {
  background-color: var(--forest);
  color: var(--card);
}

.site-header :focus-visible {
  outline-color: var(--card);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem 1.5rem;
  padding-block: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--card);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  flex: none;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: inline-block;
  padding: 0.3rem 0;
  color: var(--card);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.3em;
}

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

.site-nav a[aria-current="page"] {
  text-decoration-thickness: 3px;
}

/* Buttons */
.button {
  display: inline-block;
  padding: 0.8rem 1.3rem;
  border: 2px solid var(--forest);
  border-radius: 6px;
  background-color: var(--forest);
  color: var(--card);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.button:hover {
  background-color: var(--ink);
  border-color: var(--ink);
}

.button-quiet {
  background-color: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.button-quiet:hover {
  background-color: var(--ink);
  color: var(--card);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

/* Hero */
.hero {
  padding-block: clamp(2.5rem, 7vw, 5rem) clamp(2rem, 5vw, 3.5rem);
}

.hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

.hero-art {
  margin: 0;
}

.hero-art svg {
  width: 100%;
  height: auto;
}

.hero-art .filed {
  animation: rise 0.7s ease-out both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Sections */
.section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.section-alt {
  background-color: var(--card);
  border-block: 2px solid var(--ink);
}

/* Tabs and dividers */
.tone-1 {
  background-color: var(--forest);
  color: var(--card);
}

.tone-2 {
  background-color: var(--sage);
  color: var(--ink);
}

.tone-3 {
  background-color: var(--mint);
  color: var(--ink);
}

.tabs-rail {
  padding-top: 1.8rem;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 4px solid var(--forest);
}

.tabs li {
  margin: 0;
}

.tabs a {
  display: inline-block;
  padding: 0.6rem 1.1rem 0.5rem;
  border: 2px solid var(--ink);
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
  background-color: var(--mint);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.tabs a.tone-1 {
  background-color: var(--forest);
  color: var(--card);
}

.tabs a.tone-2 {
  background-color: var(--sage);
  color: var(--ink);
}

.tabs a.tone-3 {
  background-color: var(--mint);
  color: var(--ink);
}

.tabs a:hover {
  background-color: var(--card);
  color: var(--ink);
}

.tabs li:nth-child(even) a {
  margin-top: 0.5rem;
}

.drawer {
  position: relative;
  margin-top: 3.4rem;
  padding: 1.8rem clamp(1rem, 3vw, 2rem) clamp(1.6rem, 3vw, 2.4rem);
  background-color: var(--mint);
  border: 2px solid var(--ink);
  border-radius: 4px;
}

.divider {
  position: absolute;
  top: -2.7rem;
  left: 1.2rem;
  margin: 0;
  padding: 0.55rem 1.2rem 0.45rem;
  border: 2px solid var(--ink);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
  font-size: clamp(1.25rem, 1.05rem + 0.8vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.drawer-intro {
  max-width: 44rem;
  margin-bottom: 1.8rem;
}

/* Index cards */
.cards {
  display: grid;
  gap: 2.4rem 1.6rem;
  grid-template-columns: minmax(0, 1fr);
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 560px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.card {
  position: relative;
  height: 100%;
  margin-top: 1.5rem;
  padding: 1.7rem 1.4rem 1.4rem;
  background-color: var(--card);
  border: 1px solid var(--sage);
  border-radius: 3px;
  box-shadow: 5px 5px 0 var(--mint);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.drawer .card {
  box-shadow: 5px 5px 0 var(--sage);
}

.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--sage);
}

.card::before {
  content: "";
  position: absolute;
  top: 0.85rem;
  right: 1.1rem;
  width: 0.75rem;
  height: 0.75rem;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background-color: var(--paper);
}

.card h3 {
  margin-top: 0.2rem;
  padding-right: 1.6rem;
}

.card > :last-child {
  margin-bottom: 0;
}

.card-tab {
  position: absolute;
  top: -1.5rem;
  left: 1rem;
  margin: 0;
  padding: 0.35rem 0.9rem 0.3rem;
  border: 1px solid var(--ink);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-transform: uppercase;
}

.card-tab.tone-1 {
  background-color: var(--forest);
  color: var(--card);
}

.card-tab.tone-2 {
  background-color: var(--sage);
  color: var(--ink);
}

.card-tab.tone-3 {
  background-color: var(--mint);
  color: var(--ink);
}

.card-link {
  margin-top: 1rem;
  font-weight: 700;
}

.card-note {
  margin-top: 0.9rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--sage);
  font-size: 0.95em;
}

/* Before and after comparison */
.compare-panel {
  margin-top: 1.5rem;
  padding: clamp(0.8rem, 2.5vw, 1.4rem);
  background-color: var(--card);
  border: 2px solid var(--ink);
  border-radius: 4px;
  box-shadow: 6px 6px 0 var(--mint);
}

.compare-stage {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 2px solid var(--ink);
  background-color: var(--paper);
}

.compare-layer {
  margin: 0;
}

.compare-layer svg {
  width: 100%;
  height: auto;
}

.compare-tag {
  margin: 0;
  padding: 0.55rem 0.8rem;
  background-color: var(--card);
  color: var(--ink);
  border-top: 2px solid var(--ink);
  font-size: 0.95rem;
}

.compare-tag strong {
  font-weight: 800;
}

.compare-divider,
.compare-control {
  display: none;
}

/* Interactive state, only when script.js has run */
.js .compare-stage {
  aspect-ratio: 16 / 10;
  touch-action: pan-y;
  user-select: none;
  cursor: ew-resize;
}

.js .compare-layer {
  position: absolute;
  inset: 0;
}

.js .compare-layer svg {
  width: 100%;
  height: 100%;
}

.js .compare-after {
  clip-path: inset(0 0 0 var(--split, 50%));
}

.js .compare-tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  width: auto;
  padding: 0.4rem 0.7rem;
  border: 2px solid var(--ink);
  border-radius: 4px;
  white-space: nowrap;
}

.js .compare-after .compare-tag {
  left: auto;
  right: 0.75rem;
}

.js .compare-desc {
  display: none;
}

.js .compare-divider {
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--split, 50%);
  width: 4px;
  margin-left: -2px;
  background-color: var(--forest);
  box-shadow: 0 0 0 1px var(--card);
  pointer-events: none;
}

.js .compare-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2.6rem;
  height: 2.6rem;
  margin: -1.3rem 0 0 -1.3rem;
  border: 3px solid var(--card);
  border-radius: 50%;
  background-color: var(--forest);
  box-shadow: 0 2px 0 var(--ink);
}

.js .compare-control {
  display: block;
  margin-top: 1.2rem;
}

.compare-control label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.compare-control input[type="range"] {
  display: block;
  width: 100%;
  min-height: 2.75rem;
  margin: 0;
  accent-color: var(--forest);
  cursor: pointer;
}

.compare-control input[type="range"]:focus-visible {
  outline: 3px solid var(--forest);
  outline-offset: 4px;
}

.hint {
  margin: 0.5rem 0 0.8rem;
  font-size: 0.95rem;
}

.compare-status {
  margin: 0;
  padding: 0.6rem 0.8rem;
  border-left: 6px solid var(--forest);
  background-color: var(--paper);
  font-weight: 700;
}

/* Principles and notice */
.principles {
  display: grid;
  gap: 1.4rem;
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

@media (min-width: 760px) {
  .principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.principles li {
  padding: 1.4rem 1.3rem;
  background-color: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 3px;
}

.notice {
  margin-block: 2.5rem;
  padding: 1.6rem clamp(1.1rem, 3vw, 2rem);
  background-color: var(--card);
  border-left: 8px solid var(--forest);
  border-radius: 0 4px 4px 0;
}

.notice h2 {
  font-size: clamp(1.35rem, 1.1rem + 1vw, 1.8rem);
}

/* Catalog and about pages */
.page-head {
  padding-block: clamp(2.2rem, 6vw, 4rem) 0;
}

.page-head .lede {
  margin-bottom: 0;
}

.body-copy {
  padding-block: 1rem clamp(2rem, 5vw, 3.5rem);
}

.body-copy h2 {
  margin-top: 2.2rem;
  font-size: clamp(1.4rem, 1.1rem + 1vw, 1.9rem);
}

.body-copy ul {
  margin: 0 0 1.2em;
}

.body-copy li {
  margin-bottom: 0.5em;
}

.inline-note {
  margin-top: 2rem;
  padding: 1.2rem 1.4rem;
  background-color: var(--card);
  border: 2px solid var(--ink);
  border-radius: 3px;
}

/* FAQ */
.faq {
  margin-top: 1.5rem;
  border-top: 2px solid var(--ink);
}

.faq details {
  border-bottom: 2px solid var(--ink);
}

.faq summary {
  position: relative;
  padding: 1.1rem 2.6rem 1.1rem 0;
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.3rem);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  top: 0.7rem;
  right: 0.3rem;
  font-size: 1.7rem;
  font-weight: 400;
  line-height: 1;
}

.faq details[open] summary::after {
  content: "\2212";
}

.faq summary:focus-visible {
  outline-offset: -3px;
}

.faq details > div {
  max-width: 42rem;
  padding: 0 0 1.4rem;
}

/* Contact */
.mail-cta {
  margin: 1.8rem 0 2.4rem;
}

.mail-cta .button {
  font-size: clamp(1rem, 0.95rem + 0.4vw, 1.2rem);
  overflow-wrap: anywhere;
}

/* Footer */
.site-footer {
  margin-top: clamp(3rem, 8vw, 5rem);
  padding-block: 2.5rem 2rem;
  background-color: var(--ink);
  color: var(--card);
}

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

.site-footer :focus-visible {
  outline-color: var(--sage);
}

.footer-grid {
  display: grid;
  gap: 1.8rem 2.5rem;
}

@media (min-width: 720px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-grid p:last-child {
  margin-bottom: 0;
}

.footer-grid ul {
  display: grid;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-brand {
  font-size: 1.1rem;
}

.footer-note {
  margin: 2rem 0 0;
  padding-top: 1.2rem;
  border-top: 1px solid var(--forest);
  font-size: 0.92rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .card:hover {
    transform: none;
  }
}