* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #202124;
  background: #f7f4ee;
}

a {
  color: #0b5c83;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 14px 20px;
  border-bottom: 1px solid #d9d2c3;
  background: #fffdf8;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-weight: 800;
  text-decoration: none;
  color: #202124;
}

nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 34px 18px 80px;
}

.hero {
  padding: 18px 0 26px;
}

.eyebrow {
  margin: 0 0 10px;
  color: #7b3f00;
  font-weight: 700;
}

h1 {
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.12;
  margin: 0;
}

h2 {
  font-size: 22px;
  margin: 0 0 14px;
}

.lead {
  color: #41474d;
  font-size: 18px;
  line-height: 1.75;
  max-width: 760px;
}

.hero-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 24px;
  border: 1px solid #cfc8b8;
  background: #cfc8b8;
}

.hero-strip span {
  background: #fffdf8;
  padding: 14px;
  text-align: center;
  font-weight: 800;
}

.tool-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  align-items: stretch;
}

.tool-inputs,
.tool-output,
.plain-section,
.tool-card {
  border: 1px solid #d8d1c3;
  background: #fffdf8;
  border-radius: 8px;
  padding: 18px;
}

form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
  color: #33383d;
}

input,
textarea {
  width: 100%;
  border: 1px solid #c4bdad;
  border-radius: 6px;
  padding: 10px 11px;
  font: inherit;
  background: #fff;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

#result {
  min-height: 350px;
  font-family: "Consolas", "Yu Gothic UI", monospace;
  line-height: 1.55;
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid #135f48;
  border-radius: 6px;
  padding: 9px 14px;
  background: #135f48;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  margin-top: 12px;
}

.button.secondary,
#copy {
  background: #fffdf8;
  color: #135f48;
}

.plain-section {
  margin-top: 18px;
  line-height: 1.75;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.tool-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.fineprint {
  color: #687078;
  font-size: 13px;
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .tool-shell {
    grid-template-columns: 1fr;
  }

  .hero-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}