* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #231F20;
  --yellow: #FFE22B;
  --salmon: #FF9B76;
  --text: #CCCCCC;
  --muted: #8a8687;
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: #fff;
  min-height: 100vh;
  padding: 2rem 1.5rem;
  line-height: 1.35;
}

.layout {
  display: grid;
  grid-template-columns: minmax(240px, 300px) 1fr;
  gap: 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

h1 { color: var(--yellow); font-size: 2rem; font-weight: 500; line-height: 1.1; }
h2.sub { color: var(--yellow); font-size: 1.6rem; font-weight: 400; margin-bottom: 0.5rem; }
.intro { color: var(--text); font-size: 1.05rem; margin-bottom: 1.25rem; }
a { color: var(--salmon); text-decoration: none; border-bottom: 1px dotted var(--salmon); }
.nav-label { display: block; font-size: 0.7rem; color: var(--text); margin-bottom: 0.2rem; }
.nav-item { margin-bottom: 0.9rem; }
.nav-item--disabled { opacity: 0.5; pointer-events: none; }
.nav-btn, .action {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--salmon);
  color: #fff;
  text-decoration: none;
  border: none;
  font-size: 1.1rem;
  padding: 0.5rem 0.6rem;
  width: 150px;
  cursor: pointer;
  transition: filter 0.15s;
}
.nav-btn:hover { filter: brightness(1.08); }
.nav-btn.active { background: var(--yellow); }
.nav-btn svg, .action svg { width: 1.2em; height: 1.2em; fill: currentColor; flex: none; }

/* right-hand panel */
.panel { text-align: center; padding-top: 1.5rem; }
.panel h2 { color: var(--yellow); font-size: 1.6rem; font-weight: 400; margin-bottom: 0.2rem; }
.panel .lead { color: var(--text); font-size: 1.05rem; max-width: 30rem; margin: 0 auto; }
.panel .lead.caps { text-transform: uppercase; }
.panel form { max-width: 22rem; margin: 1.5rem auto; text-align: left; }
.panel label { display: block; color: var(--text); margin-bottom: 0.4rem; }
.panel input, .panel select {
  width: 100%;
  padding: 0.7rem;
  border: 1px solid var(--muted);
  border-radius: 4px;
  background: #302c2d;
  color: #fff;
  font: inherit;
}
.panel form .action { margin-top: 1rem; }
.panel .fine a { color: var(--salmon); }
.panel button:disabled { cursor: wait; opacity: 0.7; }

.action {
  background: var(--yellow);
  color: #fff;
  justify-content: center;
  width: 219px;
  font-weight: 700;
  margin: 3.5rem auto 0.5rem;
}
.action.wide { width: 219px; }

.fine { color: var(--muted); font-size: 0.7rem; text-align: left; max-width: 219px; margin: 0 auto 0.5rem; }
.notes { color: var(--muted); font-size: 0.7rem; text-align: left; max-width: 219px; margin: 1.25rem auto 0; }
.notes p { margin-bottom: 0.9rem; }

/* index variant: all notes visible */
.layout.all .notes-all { color: var(--muted); font-size: 0.8rem; padding-top: 2.2rem; max-width: 540px; }
.layout.all .notes-all p { margin-bottom: 1.1rem; }
.agree { color: var(--muted); font-size: 0.7rem; max-width: 150px; margin-top: 0.4rem; }

@media (max-width: 700px) {
  .layout { grid-template-columns: 1fr; gap: 2rem; }
  .panel { padding-top: 0; }
}