/* Climate Hub Brand Book (Aug 2026): Medium Jungle Green #1B2E30, Mineral Green
   #3B5A5E, Sea Mist #BCD8D7, Ceramic White #FDFDFE; Libre Baskerville + Source Sans 3. */
:root {
  --jungle: #1b2e30;
  --mineral: #3b5a5e;
  --mist: #bcd8d7;
  --white: #fdfdfe;
  --paper: #eef4f4;
  --line: #d3e3e3;
  --error: #9b2c2c;
  --serif: "Libre Baskerville", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; overflow-x: hidden; }
body {
  background: var(--jungle);
  color: var(--white);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }

.layout {
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 24px 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}
.logo { width: 150px; height: auto; display: block; }
.logo-link { display: inline-block; margin-bottom: 56px; }
.eyebrow {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}
h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 4.2vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}
.lede { font-size: 19px; color: #dbe9e8; margin: 0 0 28px; max-width: 34em; }
.points { list-style: none; padding: 0; margin: 0; border-top: 1px solid rgba(188, 216, 215, 0.25); }
.points li { padding: 14px 0; border-bottom: 1px solid rgba(188, 216, 215, 0.25); color: #dbe9e8; }
.points strong { color: var(--white); font-weight: 600; }

.card {
  background: var(--white);
  color: var(--jungle);
  border-radius: 12px;
  padding: 32px 30px 26px;
  margin-top: 92px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
}
.card h2 { font-family: var(--serif); font-weight: 400; font-size: 26px; margin: 0 0 20px; }
label { display: block; font-weight: 600; font-size: 15px; margin: 14px 0 6px; }
.optional { font-weight: 400; color: var(--mineral); }
input[type="text"], input[type="email"] {
  width: 100%;
  font: inherit;
  color: var(--jungle);
  background: var(--white);
  border: 1px solid #a9c4c3;
  border-radius: 6px;
  padding: 11px 12px;
}
input:focus { outline: 3px solid var(--mist); outline-offset: 1px; border-color: var(--mineral); }
button {
  margin-top: 22px;
  width: 100%;
  font: inherit;
  font-weight: 600;
  color: var(--white);
  background: var(--jungle);
  border: 0;
  border-radius: 6px;
  padding: 13px 18px;
  cursor: pointer;
}
button:hover { background: var(--mineral); }
button:focus-visible { outline: 3px solid var(--mist); outline-offset: 2px; }
button[disabled] { opacity: 0.6; cursor: default; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.status { min-height: 1.5em; margin: 14px 0 0; font-weight: 600; }
.status.ok { color: var(--mineral); }
.status.err { color: var(--error); }
.fine { font-size: 13.5px; color: var(--mineral); margin: 14px 0 0; }

.foot {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 24px 48px;
  font-size: 13.5px;
  color: var(--mist);
  border-top: 1px solid rgba(188, 216, 215, 0.2);
}
.foot p { margin: 4px 0; }

/* Confirm / unsubscribe pages */
body.simple { display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: 24px 16px; }
.narrow { max-width: 480px; width: 100%; margin: 0; background: transparent; box-shadow: none; padding: 0; color: var(--white); }
.narrow .logo-link { margin-bottom: 28px; }
.panel { background: var(--white); color: var(--jungle); border-radius: 12px; padding: 28px 26px; }
.panel h1 { font-size: 26px; margin: 0 0 12px; }
.panel p { margin: 0 0 12px; }

@media (max-width: 820px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 28px; padding: 32px 16px 24px; }
  .logo-link { margin-bottom: 36px; }
  .card { margin-top: 0; padding: 26px 20px 22px; }
  .foot { padding: 20px 16px 36px; }
}