:root {
  color-scheme: light;
  --bg: #f5f1e9;
  --panel: #fffdf8;
  --text: #22211d;
  --muted: #66645e;
  --line: #ded7c9;
  --accent: #1d766f;
  --accent-dark: #12544f;
  --shadow: 0 18px 55px rgba(34, 33, 29, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.site-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}

.topbar {
  background: #ece4d4;
  border-bottom: 1px solid var(--line);
  padding: 22px 28px 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: end;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 34px;
  line-height: 1.05;
}

.topbar p,
.welcome p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.6;
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab,
.button {
  border-radius: 8px;
  font-weight: 800;
  min-height: 44px;
  padding: 12px 16px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tab {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
}

.tab:hover,
.tab.active,
.button {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.button:hover {
  background: var(--accent-dark);
}

.home {
  padding: 28px;
  display: grid;
  place-items: center;
}

.welcome {
  max-width: 760px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 34px;
  display: grid;
  gap: 18px;
  text-align: center;
}

.eyebrow {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.welcome h2 {
  font-size: 56px;
  line-height: 1;
}

.welcome .button {
  justify-self: center;
}

@media (max-width: 720px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .tabs {
    width: 100%;
  }

  .tab {
    flex: 1 1 140px;
  }

  .welcome h2 {
    font-size: 40px;
  }
}