:root{
  --bg: #f3efe6;
  --bg-soft: #fbf8f2;
  --fg: #111111;
  --muted: #5f5a52;
  --border: #d8d0c3;
  --card-shadow: 0 14px 34px rgba(17,17,17,0.08);
  --hero: #d7e7d1;
  --hero-strong: #adc89f;
  --sim: #d8ecff;
  --cards: #f8e3b8;
  --explorer: #d9efe8;
  --cross: #f2d7cf;
}

*{ box-sizing: border-box; }

html, body{
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.85), transparent 32%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
  color: var(--fg);
  font: 400 16px/1.6 "Inter", "Source Sans 3", "IBM Plex Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body{
  padding: 28px 20px 48px;
}

.shell{
  max-width: 1120px;
  margin: 0 auto;
}

.hero{
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(135deg, var(--hero), #f7f4ee 62%);
  padding: 34px 30px 30px;
  box-shadow: var(--card-shadow);
}

.hero::after{
  content: "";
  position: absolute;
  inset: auto -40px -80px auto;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(173,200,159,0.8), rgba(173,200,159,0));
  pointer-events: none;
}

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(17,17,17,0.08);
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(255,255,255,0.55);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero h1{
  margin: 18px 0 10px;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero p{
  max-width: 700px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.tool-card{
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 220px;
  padding: 22px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: #fff;
  color: inherit;
  text-decoration: none;
  box-shadow: var(--card-shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.tool-card:hover{
  transform: translateY(-3px);
  box-shadow: 0 22px 44px rgba(17,17,17,0.12);
  border-color: rgba(17,17,17,0.2);
}

.tool-card[data-tone="simulator"]{ background: linear-gradient(180deg, #ffffff, var(--sim)); }
.tool-card[data-tone="cards"]{ background: linear-gradient(180deg, #ffffff, var(--cards)); }
.tool-card[data-tone="explorer"]{ background: linear-gradient(180deg, #ffffff, var(--explorer)); }
.tool-card[data-tone="cross"]{ background: linear-gradient(180deg, #ffffff, var(--cross)); }

.card-head{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.tool-id{
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tool-type{
  font-size: 12px;
  color: rgba(17,17,17,0.65);
  font-weight: 600;
}

.tool-card h2{
  margin: 0;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.tool-card p{
  margin: 0;
  color: var(--muted);
}

.tool-card ul{
  margin: 0;
  padding-left: 18px;
  color: rgba(17,17,17,0.82);
}

.tool-card li{
  margin-bottom: 4px;
}

.cta{
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.note{
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px dashed rgba(17,17,17,0.18);
  background: rgba(255,255,255,0.55);
  color: var(--muted);
}

@media (max-width: 820px){
  body{ padding: 18px 14px 36px; }
  .hero{ padding: 24px 20px; border-radius: 22px; }
  .hero p{ font-size: 16px; }
  .grid{ grid-template-columns: 1fr; }
  .tool-card{ min-height: 0; }
}