/* ── CSS Variables ──────────────────────────────────────────────────── */
:root {
  --bg:   #f8f9ff;
  --surf: #ffffff;
  --s2:   #f0f2ff;
  --pri:  #6c63ff;
  --acc:  #ff6584;
  --txt:  #1a1a2e;
  --t2:   #5a6a85;
  --bdr:  #e2e8f0;
  --sh:   0 2px 12px rgba(108,99,255,.08);
  --r:    14px;
  --rsm:  8px;
}

/* ── Reset ──────────────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 17px; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--txt);
  min-height: 100vh;
  line-height: 1.75;
}
a { color: var(--pri); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Header ─────────────────────────────────────────────────────────── */
.site-hdr {
  background: var(--surf);
  border-bottom: 1px solid var(--bdr);
  padding: 13px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
}
.logo { font-size: 1.2rem; font-weight: 900; color: var(--pri); }
.logo em { color: var(--acc); font-style: normal; }
.site-nav { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }
.site-nav a { font-size: .82rem; font-weight: 600; color: var(--t2); }
.site-nav a:hover { color: var(--pri); }

/* ── Hero banner ─────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--pri) 0%, var(--acc) 100%);
  color: #fff;
  padding: 50px 24px 44px;
  text-align: center;
}
.hero h1 { font-size: 2.1rem; font-weight: 900; margin-bottom: 10px; letter-spacing: -.3px; }
.hero p  { opacity: .9; max-width: 540px; margin: 0 auto; font-size: .95rem; line-height: 1.65; }
/* Hero with filter tabs — remove bottom padding so tabs sit flush */
.hero.has-tabs { padding-bottom: 0; }

/* ── Content containers ──────────────────────────────────────────────── */
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 24px 72px;
}
.container.wide {
  max-width: 980px;
  padding-top: 24px;
}

/* ── Typography ──────────────────────────────────────────────────────── */
h2 { font-size: 1.28rem; font-weight: 800; margin: 2.4em 0 .75em; color: var(--txt); }
h3 { font-size: 1.02rem; font-weight: 700; margin: 1.6em 0 .5em; color: var(--pri); }
p  { margin-bottom: 1.2em; line-height: 1.8; }
ul, ol { margin: .8em 0 1.4em 1.5em; }
li { margin-bottom: .6em; line-height: 1.7; }
code {
  background: var(--s2);
  padding: 2px 7px;
  border-radius: 5px;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: .88em;
}
.updated { font-size: .78rem; color: var(--t2); margin-bottom: 28px; }

/* h2 style for legal/policy pages */
.legal h2 {
  padding-bottom: 8px;
  border-bottom: 2px solid var(--bdr);
}

/* ── Callout ─────────────────────────────────────────────────────────── */
.callout {
  background: var(--s2);
  border-left: 4px solid var(--pri);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 16px 20px;
  margin: 1.8em 0;
}
.callout p { margin: 0; font-weight: 600; line-height: 1.7; }

/* ── Tables ───────────────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: .9rem; }
th {
  background: var(--s2);
  padding: 10px 14px;
  text-align: left;
  font-weight: 800;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .4px;
  border-bottom: 2px solid var(--bdr);
}
td { padding: 10px 14px; border-bottom: 1px solid var(--bdr); vertical-align: top; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--s2); }

/* ── CTA box ──────────────────────────────────────────────────────────── */
.cta-box {
  background: linear-gradient(135deg, var(--pri) 0%, var(--acc) 100%);
  border-radius: var(--r);
  padding: 30px 24px;
  color: #fff;
  margin: 2.5em 0;
  text-align: center;
}
.cta-box h3 { color: #fff; font-size: 1.2rem; font-weight: 800; margin-bottom: 8px; }
.cta-box p  { opacity: .9; font-size: .9rem; margin-bottom: 16px; }
.cta-btn {
  display: inline-block;
  background: #fff;
  color: var(--pri);
  font-weight: 800;
  padding: 11px 28px;
  border-radius: 24px;
  font-size: .9rem;
}
.cta-btn:hover { opacity: .88; text-decoration: none; }

/* ── About: stat cards ───────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 14px;
  margin: 2em 0;
}
.stat-card {
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--sh);
}
.stat-num { font-size: 2rem; font-weight: 900; color: var(--pri); display: block; }
.stat-lbl { font-size: .78rem; color: var(--t2); font-weight: 600; }

/* ── About: feature grid ──────────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
  margin: 1.5em 0;
}
.feature {
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  padding: 20px;
  box-shadow: var(--sh);
}
.feature .fico { font-size: 1.8rem; margin-bottom: 10px; }
.feature h3 { font-size: .92rem; font-weight: 800; margin: 0 0 6px; color: var(--txt); }
.feature p  { font-size: .82rem; color: var(--t2); margin: 0; line-height: 1.6; }

/* ── Contact: email cards ─────────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(172px, 1fr));
  gap: 14px;
  margin-bottom: 2.5em;
}
.cards .card {
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  padding: 22px 18px;
  text-align: center;
  box-shadow: var(--sh);
}
.card-ico { font-size: 1.9rem; margin-bottom: 10px; }
.cards .card-title { font-size: .88rem; font-weight: 800; margin-bottom: 4px; color: var(--txt); }
.cards .card-desc  { font-size: .78rem; color: var(--t2); margin-bottom: 10px; line-height: 1.5; }
.cards .card a     { font-size: .78rem; font-weight: 700; color: var(--pri); word-break: break-all; }

/* ── Contact: form ────────────────────────────────────────────────────── */
.form-wrap {
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  padding: 30px 28px;
  box-shadow: var(--sh);
}
.form-wrap h2 { margin-top: 0; font-size: 1.15rem; }
.form-note { font-size: .85rem; color: var(--t2); margin-bottom: 20px; }
.field { margin-bottom: 18px; }
label { display: block; font-size: .83rem; font-weight: 700; margin-bottom: 5px; }
input, select, textarea {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--bdr);
  border-radius: var(--rsm);
  background: var(--bg);
  color: var(--txt);
  font-family: inherit;
  font-size: .9rem;
  outline: none;
  transition: border-color .18s;
}
input:focus, select:focus, textarea:focus { border-color: var(--pri); }
textarea { height: 140px; resize: vertical; }
.submit-btn {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, var(--pri), var(--acc));
  color: #fff;
  border: none;
  border-radius: var(--rsm);
  font-size: .92rem;
  font-weight: 800;
  cursor: pointer;
  transition: opacity .18s;
  font-family: inherit;
}
.submit-btn:hover { opacity: .88; }
.success { display: none; text-align: center; padding: 30px 20px; }
.success-ico { font-size: 2.5rem; margin-bottom: 12px; }
.success h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: 6px; }
.success p  { color: var(--t2); font-size: .88rem; }

/* ── Contact: FAQ accordion ──────────────────────────────────────────── */
.faq { margin-top: 3em; }
.faq-title { font-size: 1.15rem; font-weight: 800; margin-bottom: 16px; }
.faq-item {
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: var(--rsm);
  margin-bottom: 8px;
  overflow: hidden;
}
.faq-q {
  padding: 14px 18px;
  font-weight: 700;
  font-size: .92rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  gap: 12px;
}
.faq-q::after { content: '▾'; font-size: .85rem; color: var(--t2); transition: transform .2s; flex-shrink: 0; }
.faq-item.open .faq-q::after { transform: rotate(-180deg); }
.faq-a { display: none; padding: 0 18px 14px; font-size: .88rem; color: var(--t2); line-height: 1.7; }
.faq-item.open .faq-a { display: block; }

/* ── Sitemap ──────────────────────────────────────────────────────────── */
.sm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
}
.sm-section {
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  padding: 20px 22px;
  box-shadow: var(--sh);
}
.sm-section h2 {
  font-size: .78rem !important;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .9px;
  color: var(--t2);
  margin: 0 0 14px !important;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--bdr);
}
.sm-section ul { list-style: none; margin: 0; padding: 0; }
.sm-section li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--bdr);
  font-size: .88rem;
  margin-bottom: 0;
}
.sm-section li:last-child { border-bottom: none; }
.sm-section li a { color: var(--txt); flex: 1; line-height: 1.45; }
.sm-section li a:hover { color: var(--pri); }
.ico { flex-shrink: 0; font-size: .88rem; margin-top: 1px; }

/* ── Blog index: filter tabs ──────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 0;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}
.ftab {
  background: rgba(255,255,255,.14);
  border: none;
  border-bottom: 3px solid transparent;
  color: rgba(255,255,255,.78);
  font-size: .78rem;
  font-weight: 700;
  padding: 10px 15px;
  cursor: pointer;
  white-space: nowrap;
  transition: all .18s;
  border-radius: var(--rsm) var(--rsm) 0 0;
  font-family: inherit;
}
.ftab:hover { background: rgba(255,255,255,.24); color: #fff; }
.ftab.on    { background: #fff; color: var(--pri); }
.ftab-count { font-size: .68rem; opacity: .65; margin-left: 4px; }
.ftab.on .ftab-count { opacity: .45; }

/* ── Blog index: section header ───────────────────────────────────────── */
.sec-hdr {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 28px 0 14px;
}
.sec-hdr-line { flex: 1; height: 1px; background: var(--bdr); }
.sec-hdr-txt {
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--t2);
  white-space: nowrap;
}

/* ── Blog index: post cards ───────────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 13px;
  margin-bottom: 6px;
}
.grid .card {
  background: var(--surf);
  border: 1px solid var(--bdr);
  border-radius: var(--rsm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  border-left: 3px solid var(--bdr);
  box-shadow: 0 1px 6px rgba(0,0,0,.05);
  transition: transform .15s, box-shadow .15s;
}
.grid .card:hover { transform: translateY(-2px); box-shadow: 0 5px 18px rgba(0,0,0,.1); }
.grid .card[data-cat="scrabble"] { border-left-color: var(--pri); }
.grid .card[data-cat="wwf"]      { border-left-color: var(--acc); }
.grid .card[data-cat="wordle"]   { border-left-color: #16a34a; }
.grid .card[data-cat="vocab"]    { border-left-color: #d97706; }
.card-inner  { padding: 13px 15px; display: flex; flex-direction: column; flex: 1; }
.card-tag    { font-size: .63rem; font-weight: 800; text-transform: uppercase; letter-spacing: .7px; margin-bottom: 5px; }
.grid .card[data-cat="scrabble"] .card-tag { color: var(--pri); }
.grid .card[data-cat="wwf"]      .card-tag { color: #e11d48; }
.grid .card[data-cat="wordle"]   .card-tag { color: #16a34a; }
.grid .card[data-cat="vocab"]    .card-tag { color: #d97706; }
.card-title  { font-size: .92rem; font-weight: 800; line-height: 1.35; color: var(--txt); margin-bottom: 6px; }
.card-desc   { font-size: .79rem; color: var(--t2); line-height: 1.55; flex: 1; }
.card-meta   { font-size: .68rem; color: var(--t2); margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--bdr); }
.card-link   { position: absolute; inset: 0; }
.card-link:focus-visible { outline: 2px solid var(--pri); outline-offset: 2px; }
.no-results  { text-align: center; padding: 40px 16px; color: var(--t2); font-size: .88rem; display: none; }
.no-results.on { display: block; }

/* ── Ad units ─────────────────────────────────────────────────────────── */
.ad-unit {
  margin: 1.8em 0;
  min-height: 90px;
  background: var(--s2);
  border-radius: var(--rsm);
  overflow: hidden;
  text-align: center;
  border: 1px solid var(--bdr);
}
.ad-unit::before {
  content: 'Advertisement';
  display: block;
  font-size: .62rem;
  color: var(--t2);
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 6px 0 4px;
}
ins.adsbygoogle { display: block; min-height: 0; }
/* Ad-free: remove all ad banners entirely */
[data-adfree="1"] .ad-unit { display: none !important; }

/* ── Footer ──────────────────────────────────────────────────────────── */
.site-ftr {
  background: var(--surf);
  border-top: 1px solid var(--bdr);
  padding: 24px;
  margin-top: 2.5rem;
}
.ftr-inner { max-width: 980px; margin: 0 auto; }
.ftr-top { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-bottom: 14px; }
.ftr-brand { font-size: 1rem; font-weight: 900; color: var(--pri); }
.ftr-brand em { color: var(--acc); font-style: normal; }
.ftr-links { display: flex; gap: 14px; flex-wrap: wrap; font-size: .8rem; margin-left: auto; }
.ftr-links a { color: var(--t2); font-weight: 600; }
.ftr-links a:hover { color: var(--pri); }
.ftr-copy { font-size: .74rem; color: var(--t2); padding-top: 14px; border-top: 1px solid var(--bdr); }

/* ── Dark mode ───────────────────────────────────────────────────────── */
[data-theme=dark] {
  --bg:   #0e0e1c;
  --surf: #1a1a2e;
  --s2:   #16213e;
  --pri:  #8b83ff;
  --txt:  #f0f4ff;
  --t2:   #94a3b8;
  --bdr:  #252540;
  --sh:   0 2px 12px rgba(0,0,0,.4);
}
[data-theme=dark] input,
[data-theme=dark] select,
[data-theme=dark] textarea { background: var(--s2); border-color: var(--bdr); color: var(--txt); }
[data-theme=dark] tr:hover td { background: var(--s2); }
[data-theme=dark] .grid .card { background: var(--surf); }
[data-theme=dark] .ftab { color: rgba(255,255,255,.8); }

/* ── Responsive ──────────────────────────────────────────────────────── */

/* Tablet (≤ 900px): two-column grids */
@media (max-width: 900px) {
  .container { max-width: 100%; padding-left: 28px; padding-right: 28px; }
  .container.wide { max-width: 100%; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .sm-grid { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
}

/* Large phone (≤ 640px) */
@media (max-width: 640px) {
  .container { padding: 28px 16px 56px; }
  .container.wide { padding: 20px 14px 48px; }
  .hero { padding: 36px 16px 32px; }
  .hero h1 { font-size: 1.7rem; }
  .site-hdr { padding: 12px 16px; }
  .site-nav { gap: 12px; }
  .form-wrap { padding: 22px 18px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: 1fr; }
  .sm-grid { grid-template-columns: 1fr; }
  .ftr-links { gap: 10px; }
}

/* Small phone (≤ 480px) */
@media (max-width: 480px) {
  html { font-size: 16px; }
  .hero { padding: 28px 14px 24px; }
  .hero h1 { font-size: 1.52rem; }
  .hero p { font-size: .88rem; }
  .site-nav a { font-size: .78rem; }
  .site-nav { gap: 10px; }
  .feature-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .cta-box { padding: 22px 16px; }
  .cta-btn { padding: 10px 22px; }
  .filter-bar { gap: 2px; }
  .ftab { padding: 8px 10px; font-size: .72rem; }
  .ftr-top { flex-direction: column; gap: 10px; align-items: flex-start; }
  .ftr-links { margin-left: 0; }
  .ad-unit { min-height: 60px; }
  .form-wrap { padding: 20px 14px; }
}

/* Very small (≤ 360px) */
@media (max-width: 360px) {
  html { font-size: 15px; }
  .site-nav a { font-size: .72rem; }
  .site-nav { gap: 8px; }
  .cards { grid-template-columns: 1fr; }
  .filter-bar { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding: 0 2px 4px; }
}