/* Word Chain - Categle landing site
   Palette derived from app icon: charcoal ink, ivory tiles, checkmark green, gold dot */
:root {
  --ink: #1b1c1e;
  --ink-soft: #45474b;
  --paper: #faf8f3;
  --tile: #ffffff;
  --tile-edge: #e5e1d6;
  --green: #17843f;
  --green-strong: #106334;
  --gold: #b07d10;
  --gold-soft: #f5e5bd;
  --red-dot: #d94f3d;
  --blue-dot: #3d7bd9;
  --shadow: 0 2px 6px rgba(27, 28, 30, 0.08), 0 8px 24px rgba(27, 28, 30, 0.06);
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2f0ea;
    --ink-soft: #b8b6ae;
    --paper: #131416;
    --tile: #1e2023;
    --tile-edge: #33363a;
    --green: #3dbe6c;
    --green-strong: #59d184;
    --gold: #e6b33e;
    --gold-soft: #3b3320;
    --shadow: 0 2px 6px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  margin: 0;
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--green); }
a:hover { color: var(--green-strong); }
:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 1.25rem; }

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--tile-edge);
  z-index: 50;
}
.header-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.05rem;
}
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.nav-toggle {
  margin-left: auto;
  display: none;
  background: none;
  border: 1px solid var(--tile-edge);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  color: var(--ink);
  font-size: 1rem;
  cursor: pointer;
}
.site-nav { margin-left: auto; }
.site-nav ul {
  display: flex;
  gap: 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--green); }
.nav-cta {
  background: var(--ink);
  color: var(--paper) !important;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--green-strong); color: #fff !important; }
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .site-nav { display: none; width: 100%; margin: 0; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; padding: 0.5rem 0 1rem; }
  .site-nav li { border-top: 1px solid var(--tile-edge); }
  .site-nav a { display: block; padding: 0.8rem 0.2rem; }
  .nav-cta { display: inline-block; margin-top: 0.6rem; }
  .header-bar { flex-wrap: wrap; }
}

/* Hero */
.hero { padding: 3.5rem 0 3rem; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.25rem; }
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.9rem;
}
h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin: 0 0 1.75rem;
  max-width: 34em;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; }
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  padding: 0.65rem 1.3rem;
  border-radius: 12px;
  font-weight: 600;
  line-height: 1.2;
  box-shadow: var(--shadow);
}
@media (prefers-color-scheme: dark) {
  .store-badge { background: #f2f0ea; color: #131416; }
}
.store-badge:hover { transform: translateY(-1px); color: var(--paper); }
@media (prefers-color-scheme: dark) { .store-badge:hover { color: #131416; } }
.store-badge .badge-lines { display: flex; flex-direction: column; text-align: left; }
.store-badge .small { font-size: 0.68rem; font-weight: 400; opacity: 0.85; }
.store-badge .big { font-size: 1.05rem; }
.price-note { font-size: 0.92rem; color: var(--ink-soft); }
.price-note strong { color: var(--green); }

/* Hero art */
.hero-art { text-align: center; }
.hero-art img {
  width: min(220px, 56vw);
  height: auto;
  border-radius: 22%;
  box-shadow: var(--shadow);
}

/* Screenshots */
.shot-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.shot-strip:focus-visible { outline: 3px solid var(--green); outline-offset: 6px; border-radius: 4px; }
.shot { margin: 0; }
.shot img {
  display: block;
  width: 100%;
  height: auto;
  background: #000;
  border-radius: 14px;
  border: 1px solid var(--tile-edge);
  box-shadow: var(--shadow);
}
.shot figcaption {
  margin-top: 0.7rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--ink-soft);
}
@media (max-width: 780px) {
  .shot-strip {
    display: flex;
    overflow-x: auto;
    gap: 1rem;
    margin: 0 -1.25rem;
    padding: 0 1.25rem 0.8rem;
    scroll-snap-type: x mandatory;
  }
  .shot { flex: 0 0 66%; max-width: 15rem; scroll-snap-align: start; }
}

/* Sections */
section { padding: 3.25rem 0; }
section h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.015em;
  margin: 0 0 0.6rem;
}
.section-lead { color: var(--ink-soft); max-width: 42em; margin: 0 0 2rem; }
.alt-band { background: var(--tile); border-top: 1px solid var(--tile-edge); border-bottom: 1px solid var(--tile-edge); }
@media (prefers-color-scheme: dark) { .alt-band { background: #17181b; } }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
}
.card {
  background: var(--tile);
  border: 1px solid var(--tile-edge);
  border-radius: var(--radius);
  padding: 1.35rem 1.3rem;
  box-shadow: var(--shadow);
}
.alt-band .card { background: var(--paper); }
.card h3 { margin: 0 0 0.45rem; font-size: 1.08rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }
.card .kicker {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.5rem;
}

/* Modes table-ish list */
.mode-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.8rem; }
.mode-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
  background: var(--tile);
  border: 1px solid var(--tile-edge);
  border-radius: 12px;
  padding: 1rem 1.15rem;
}
.mode-tag {
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  background: var(--green);
  border-radius: 7px;
  padding: 0.3rem 0.6rem;
  white-space: nowrap;
  margin-top: 0.1rem;
}
.mode-list li:nth-child(2) .mode-tag { background: var(--gold); }
.mode-list li:nth-child(3) .mode-tag { background: var(--blue-dot); }
.mode-list li:nth-child(4) .mode-tag { background: var(--red-dot); }
.mode-list p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }
.mode-list strong { display: block; color: var(--ink); margin-bottom: 0.15rem; }

/* Category chips */
.chip-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.4rem; }
.chip {
  background: var(--tile);
  border: 1px solid var(--tile-edge);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.chip.hl { border-color: var(--green); color: var(--green); font-weight: 600; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--tile-edge); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  font: inherit;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  text-align: left;
  padding: 1.1rem 2.2rem 1.1rem 0.2rem;
  cursor: pointer;
  position: relative;
}
.faq-q::after {
  content: "+";
  position: absolute;
  right: 0.4rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--gold);
  font-weight: 400;
}
.faq-q[aria-expanded="true"]::after { content: "\2212"; }
.faq-a { padding: 0 0.2rem 1.2rem; color: var(--ink-soft); max-width: 46em; }
.faq-a p { margin: 0; }
.faq-item.js .faq-a { display: none; }
.faq-item.js .faq-a.open { display: block; }

/* Guides teaser */
.guide-card { text-decoration: none; color: inherit; display: block; transition: transform 0.15s ease; }
.guide-card:hover { transform: translateY(-2px); color: inherit; }
.guide-card h3 { color: var(--green); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--tile-edge);
  padding: 2.5rem 0 2.75rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h3 { font-size: 0.95rem; color: var(--ink); margin: 0 0 0.6rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.45rem; }
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--green); }
.footer-note { margin-top: 2rem; font-size: 0.85rem; }

/* Guide article pages */
.breadcrumb {
  font-size: 0.88rem;
  color: var(--ink-soft);
  padding: 1.25rem 0 0;
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0; padding: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: 0.4rem; color: var(--tile-edge); }
.breadcrumb a { color: var(--ink-soft); }
article.guide { max-width: 760px; margin: 0 auto; padding: 1.5rem 1.25rem 3.5rem; }
article.guide h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
article.guide h2 { font-size: 1.45rem; margin-top: 2.4rem; }
article.guide h3 { font-size: 1.15rem; margin-top: 1.8rem; }
article.guide .byline { color: var(--ink-soft); font-size: 0.9rem; margin-bottom: 2rem; }
article.guide p, article.guide li { color: var(--ink); }
article.guide ul, article.guide ol { padding-left: 1.4rem; }
article.guide li { margin-bottom: 0.4rem; }
.callout {
  background: var(--gold-soft);
  border-left: 4px solid var(--gold);
  border-radius: 0 10px 10px 0;
  padding: 1.1rem 1.25rem;
  margin: 1.75rem 0;
}
@media (prefers-color-scheme: dark) { .callout { background: #2b2412; } }
.callout p { margin: 0; }
.app-box {
  background: var(--tile);
  border: 1px solid var(--tile-edge);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 2.5rem 0 1rem;
  box-shadow: var(--shadow);
}
.app-box h2 { margin-top: 0; }
.related { margin-top: 2.5rem; border-top: 1px solid var(--tile-edge); padding-top: 1.5rem; }
.related h2 { font-size: 1.2rem; margin-top: 0; }
.related ul { list-style: none; padding: 0; }
.related li { margin-bottom: 0.5rem; }

/* Utility */
.center { text-align: center; }
.mt-2 { margin-top: 2rem; }