:root {
  --bg: #0b0f14;
  --bg-alt: #121821;
  --card: #161d29;
  --border: #232c3a;
  --text: #e6edf5;
  --text-dim: #9aabc0;
  --accent: #4f8cff;
  --accent-2: #35d0a4;
  --radius: 10px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

header.site {
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  position: sticky;
  top: 0;
  z-index: 10;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.brand span { color: var(--accent); }

nav.site ul {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
}
nav.site a {
  color: var(--text-dim);
  font-size: 0.95rem;
}
nav.site a:hover { color: var(--text); text-decoration: none; }

.lang-switch { display: flex; gap: 6px; align-items: center; }
.lang-switch a {
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 600;
}
.lang-switch a.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.lang-switch a:hover { text-decoration: none; }

main { min-height: 60vh; padding: 40px 0 60px; }

footer.site {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}
footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
footer.site a { color: var(--text-dim); margin-left: 14px; }
footer.site a:first-child { margin-left: 0; }

.hero {
  text-align: center;
  padding: 64px 0 36px;
  background:
    radial-gradient(600px circle at 15% 0%, rgba(79,140,255,0.14), transparent 60%),
    radial-gradient(600px circle at 85% 10%, rgba(53,208,164,0.12), transparent 60%);
  margin: 0 -20px;
  padding-left: 20px;
  padding-right: 20px;
}
.hero .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(79,140,255,0.12);
  border: 1px solid rgba(79,140,255,0.35);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text) 40%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { color: var(--text-dim); font-size: 1.08rem; max-width: 640px; margin: 0 auto; }

.stats-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.stats-row .stat-item { text-align: center; }
.stats-row .stat-item b { display: block; font-size: 1.7rem; color: var(--text); letter-spacing: -0.02em; }
.stats-row .stat-item span { font-size: 0.8rem; color: var(--text-dim); }

.search-wrap { max-width: 560px; margin: 30px auto 0; position: relative; }
.search-wrap input {
  width: 100%;
  padding: 14px 18px 14px 44px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.98rem;
}
.search-wrap input:focus { outline: none; border-color: var(--accent); }
.search-wrap svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); opacity: 0.5; }

.cat-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 20px 0 8px;
}
.cat-pill {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}
.cat-pill:hover { color: var(--text); border-color: var(--accent); }
.cat-pill.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 48px;
  margin-bottom: 4px;
}
.section-heading h2 { font-size: 1.25rem; margin: 0; letter-spacing: -0.01em; }
.section-heading .count { color: var(--text-dim); font-size: 0.82rem; }

.no-results { text-align: center; color: var(--text-dim); padding: 50px 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.card {
  background: linear-gradient(180deg, var(--card), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
  display: block;
  position: relative;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); text-decoration: none; box-shadow: 0 10px 30px -12px rgba(79,140,255,0.35); }
.card .icon {
  font-size: 1.3rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: rgba(79,140,255,0.12);
  border: 1px solid rgba(79,140,255,0.25);
}
.card h3 { margin: 14px 0 6px; font-size: 1.02rem; color: var(--text); }
.card p { margin: 0; font-size: 0.85rem; color: var(--text-dim); }
.card.popular::after {
  content: '★';
  position: absolute;
  top: 14px;
  right: 16px;
  color: var(--accent-2);
  font-size: 0.85rem;
}

/* per-category accent colors, keeps the grid from looking monotone */
.cat-section[data-cat-section="text"] { --cat-color: #4f8cff; }
.cat-section[data-cat-section="convert"] { --cat-color: #35d0a4; }
.cat-section[data-cat-section="generate"] { --cat-color: #f0b429; }
.cat-section[data-cat-section="dev"] { --cat-color: #a06bff; }
.cat-section[data-cat-section="design"] { --cat-color: #ff6ba0; }
.cat-section[data-cat-section="calc"] { --cat-color: #ff8a5c; }
.cat-section .card .icon {
  background: color-mix(in srgb, var(--cat-color, var(--accent)) 16%, transparent);
  border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 35%, transparent);
}
.cat-section .card:hover { border-color: var(--cat-color, var(--accent)); box-shadow: 0 10px 30px -12px color-mix(in srgb, var(--cat-color, var(--accent)) 45%, transparent); }
.cat-section .section-heading h2::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cat-color, var(--accent));
  margin-right: 8px;
}

/* promo banners */
.banner-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin: 40px 0;
}
.banner {
  border-radius: 16px;
  padding: 26px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  display: block;
}
.banner:hover { text-decoration: none; }
.banner .banner-eyebrow { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.85; }
.banner h3 { margin: 10px 0 6px; font-size: 1.3rem; color: #fff; }
.banner p { margin: 0; font-size: 0.88rem; color: rgba(255,255,255,0.85); max-width: 80%; }
.banner .banner-arrow { position: absolute; right: 22px; bottom: 22px; font-size: 1.6rem; color: #fff; opacity: 0.8; transition: transform .15s; }
.banner:hover .banner-arrow { transform: translateX(4px); }
.banner.conversions { background: linear-gradient(135deg, #1d5fd6, #35d0a4); }
.banner.popular-tools { background: linear-gradient(135deg, #7b3fe4, #ff6ba0); }
.banner.dev-tools { background: linear-gradient(135deg, #222b3a, #4f8cff); }

.popular-strip {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 6px 2px 14px;
  margin-top: 18px;
  scrollbar-width: thin;
}
.popular-strip .mini-card {
  flex: 0 0 auto;
  width: 190px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: block;
}
.popular-strip .mini-card:hover { border-color: var(--accent-2); text-decoration: none; }
.popular-strip .mini-card .mc-icon { font-size: 1.4rem; margin-bottom: 8px; }
.popular-strip .mini-card h4 { margin: 0 0 4px; font-size: 0.92rem; color: var(--text); }
.popular-strip .mini-card span { font-size: 0.76rem; color: var(--text-dim); }

.chip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  margin-top: 14px;
}
.chip {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.85rem;
  color: var(--text-dim);
  display: block;
}
.chip:hover { border-color: var(--accent); color: var(--text); text-decoration: none; background: var(--bg-alt); }

.tool-page h1 { font-size: 1.6rem; margin-bottom: 6px; }
.tool-page .desc { color: var(--text-dim); margin-bottom: 26px; }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
}

textarea, input[type=text], input[type=number], select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.95rem;
}
textarea { min-height: 160px; resize: vertical; font-family: "SFMono-Regular", Consolas, Menlo, monospace; font-size: 0.85rem; }

label { display: block; font-size: 0.85rem; color: var(--text-dim); margin: 0 0 6px; }

.field { margin-bottom: 16px; }
.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row .field { flex: 1; min-width: 160px; }

button, .btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
}
button:hover { background: #3b76e6; }
button.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
button.secondary:hover { background: var(--bg-alt); }

.output {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 0.85rem;
  min-height: 60px;
}

.stat-strip { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 14px; }
.stat { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 10px 16px; }
.stat b { display: block; font-size: 1.2rem; }
.stat span { font-size: 0.78rem; color: var(--text-dim); }

.error { color: #ff6b6b; font-size: 0.85rem; margin-top: 8px; }
.ok { color: var(--accent-2); font-size: 0.85rem; margin-top: 8px; }

.ad-slot {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  margin: 26px 0;
}

.legal h1 { font-size: 1.6rem; }
.legal h2 { font-size: 1.15rem; margin-top: 28px; }
.legal p, .legal li { color: var(--text-dim); }

.color-preview { width: 100%; height: 90px; border-radius: 8px; border: 1px solid var(--border); margin-bottom: 16px; }

.swatch-input { width: 60px; height: 40px; padding: 0; border: 1px solid var(--border); border-radius: 6px; background: none; }

@media (max-width: 640px) {
  nav.site ul { gap: 12px; }
  nav.site { display: none; }
  .hero h1 { font-size: 1.6rem; }
}