/* Hard Made Easy — calm, fast, trustworthy utility tools */
:root {
  --bg: #f6f8f8;
  --ink: #0f172a;
  --ink-soft: #5b6b7a;
  --teal: #0d9488;
  --teal-deep: #0f766e;
  --card: #ffffff;
  --line: #e2e8ec;
  --shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --radius: 12px;
  --maxw: 980px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 17px; -webkit-font-smoothing: antialiased; }
a { color: var(--teal-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
h1,h2,h3 { line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 2.9rem); margin: 0 0 .3em; }
h2 { font-size: 1.4rem; margin: 1.6em 0 .6em; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1rem, 4vw, 1.8rem); }
.narrow { max-width: 760px; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(246,248,248,.9); backdrop-filter: saturate(160%) blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.2rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .mark { width: 30px; height: 30px; border-radius: 8px; background: var(--teal); color: #fff; display: grid; place-items: center; font-size: .95rem; }
.nav { display: flex; gap: 1.2rem; font-size: .93rem; font-weight: 600; }
.nav a { color: var(--ink-soft); }

.hero { padding: clamp(2.2rem, 6vw, 4rem) 0 1rem; text-align: center; }
.hero p.lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 600px; margin: .5em auto 0; }

/* Tool index grouped by category */
.cat-title { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--teal-deep); font-weight: 700; margin: 2rem 0 .4rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; box-shadow: var(--shadow); display: block; transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(15,23,42,.12); border-color: var(--teal); text-decoration: none; }
.card .emoji { font-size: 1.7rem; }
.card h3 { margin: .4rem 0 .2rem; font-size: 1.15rem; color: var(--ink); }
.card p { margin: 0; color: var(--ink-soft); font-size: .92rem; }

/* Tool page */
.crumb { font-size: .85rem; color: var(--ink-soft); padding-top: 1.3rem; }
.crumb a { color: var(--ink-soft); }
.tool-head { padding: 1rem 0 .4rem; }
.tool-head .emoji { font-size: 2.4rem; }
.tool-head p.lede { color: var(--ink-soft); font-size: 1.1rem; }
.tool { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; box-shadow: var(--shadow); margin: 1rem 0; }
.t-area { width: 100%; min-height: 150px; font-family: var(--mono); font-size: .92rem; padding: .8rem; border: 1px solid var(--line); border-radius: 8px; resize: vertical; background: #fbfdfd; }
.t-row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin: .8rem 0; }
.t-sel { font-size: .85rem; color: var(--ink-soft); font-weight: 600; display: flex; align-items: center; gap: .4rem; }
.t-sel select { font: inherit; padding: .35rem .5rem; border: 1px solid var(--line); border-radius: 7px; }
.btn { font-family: var(--sans); font-weight: 600; font-size: .95rem; padding: .55rem 1rem; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
.btn:hover { border-color: var(--teal); }
.btn-primary { background: var(--teal); color: #fff; border-color: var(--teal); }
.btn-primary:hover { background: var(--teal-deep); }
.t-out { font-family: var(--mono); font-size: .92rem; background: #0f172a; color: #e2e8f0; padding: 1rem; border-radius: 8px; overflow: auto; white-space: pre-wrap; word-break: break-word; min-height: 2.5em; margin: 0; }
.t-error { color: #dc2626; font-family: var(--mono); font-size: .88rem; min-height: 1.2em; margin-bottom: .5rem; }

/* Calculators */
.t-fields { display: flex; flex-wrap: wrap; gap: 1rem; }
.t-fields label { display: flex; flex-direction: column; font-size: .85rem; font-weight: 600; color: var(--ink-soft); gap: .3rem; flex: 1; min-width: 140px; }
.t-fields input, .pct-row input { font-family: var(--sans); font-size: 1.05rem; padding: .5rem .7rem; border: 1px solid var(--line); border-radius: 8px; }
.pct-row input { width: 90px; }
.t-results { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.3rem; }
.t-res { flex: 1; min-width: 140px; background: #f0fdfa; border: 1px solid #ccfbf1; border-radius: 10px; padding: .9rem 1rem; text-align: center; }
.t-res span { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); }
.t-res strong { font-size: 1.5rem; color: var(--teal-deep); }
.pct-row { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; padding: .7rem 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
.pct-row strong { color: var(--teal-deep); font-size: 1.15rem; min-width: 60px; }

/* Word counter stats */
.t-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px,1fr)); gap: .8rem; margin-top: 1rem; }
.t-stat { background: #f0fdfa; border: 1px solid #ccfbf1; border-radius: 10px; padding: .8rem; text-align: center; }
.t-stat strong { display: block; font-size: 1.5rem; color: var(--teal-deep); }
.t-stat span { font-size: .78rem; color: var(--ink-soft); }

/* SEO explainer + prose */
.about { margin: 1.6rem 0; }
.prose { padding: 1rem 0 2rem; }
.prose code { background: #eef2f4; padding: .1em .35em; border-radius: 4px; font-family: var(--mono); font-size: .9em; }

.ad-slot { margin: 2rem auto; max-width: 760px; min-height: 90px; display: grid; place-items: center; text-align: center; background: repeating-linear-gradient(135deg,#eef2f2,#eef2f2 12px,#e6eded 12px,#e6eded 24px); border: 1px dashed #cdd9d9; border-radius: 10px; color: #9bb0b0; font-size: .8rem; }

.site-footer { margin-top: 3.5rem; background: var(--ink); color: #cbd5e1; }
.site-footer .wrap { padding: 2.4rem 0 2rem; display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
.site-footer a { color: #5eead4; }
.site-footer .brand { color: #fff; }
.site-footer h4 { text-transform: uppercase; letter-spacing: .07em; font-size: .72rem; color: #94a3b8; margin: 0 0 .5rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; line-height: 1.9; font-size: .92rem; }
.copyright { width: 100%; border-top: 1px solid rgba(255,255,255,.12); padding-top: 1rem; font-size: .84rem; color: #7c8aa0; }
@media (max-width: 600px) { .nav .hide-sm { display: none; } }