/* Climate Change Xplorers access gate */

:root {
  --night: #070b16;
  --panel: rgba(9, 13, 24, 0.72);
  --rust: #c96a32;
  --ember: #a9431c;
  --ember-hover: #bf4f22;
  --ink: #c9ccd4;
  --ink-soft: #8d93a1;
  --line: rgba(160, 170, 190, 0.28);
  --error: #f0a07a;
}

*, *::before, *::after { box-sizing: border-box; }

html { height: 100%; }

body {
  min-height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--ink);
  font-family: "Montserrat", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  background-color: var(--night);
  background-image:
    radial-gradient(ellipse 60% 55% at 50% 45%, rgba(7, 11, 22, 0.88) 0%, rgba(7, 11, 22, 0.55) 60%, rgba(7, 11, 22, 0.35) 100%),
    url("/access/map.png");
  background-size: cover, cover;
  background-position: center, center;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

.gate {
  width: 100%;
  max-width: 44rem;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(2.5rem, 8vh, 5.5rem) 1.5rem 2rem;
}

.gate__logo {
  display: block;
  width: min(24rem, 78vw);
  height: auto;
  margin-bottom: clamp(2rem, 7vh, 4.5rem);
}

.gate__label {
  margin: 0;
  color: var(--rust);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  /* balance the trailing letter-space so the text looks centered */
  padding-left: 0.42em;
}

.gate__label::after {
  content: "";
  display: block;
  width: 9rem;
  height: 1px;
  margin: 1.25rem auto 0;
  background: var(--line);
}

.gate__lede {
  margin: 1.5rem 0 2.25rem;
  font-size: 1.125rem;
}

.gate__form {
  width: 100%;
  max-width: 36rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.gate__form--request { gap: 0.5rem; text-align: left; }

.gate__field-label {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}

.gate__field-label span { color: var(--ink-soft); font-weight: 400; }

.gate__input {
  width: 100%;
  padding: 1.35rem 1.75rem;
  color: #eef0f4;
  font: inherit;
  font-size: 1.05rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
}

#key {
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

#key::placeholder {
  color: var(--ink-soft);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 1;
}

.gate__form--request .gate__input { padding: 0.85rem 1rem; }

.gate__textarea { resize: vertical; min-height: 7rem; line-height: 1.5; }

.gate__input:focus {
  outline: none;
  border-color: var(--rust);
  box-shadow: 0 0 0 3px rgba(201, 106, 50, 0.35);
}

.gate__input[aria-invalid="true"] { border-color: var(--error); }

.gate__button {
  width: 100%;
  margin-top: 0.5rem;
  padding: 1.2rem 1.5rem;
  color: #f6ede6;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  background: var(--ember);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.gate__form--request .gate__button { margin-top: 1.25rem; }

.gate__button:hover { background: var(--ember-hover); }

.gate__button:focus-visible,
.gate__aside a:focus-visible {
  outline: 2px solid #f3c9a8;
  outline-offset: 3px;
}

.gate__error {
  margin: 0;
  color: var(--error);
  font-size: 0.95rem;
  text-align: left;
}

.gate__aside {
  margin: 2.25rem 0 0;
  color: var(--ink);
}

.gate__aside a {
  color: var(--ink);
  text-underline-offset: 0.2em;
}

.gate__aside a:hover { color: #fff; }

.gate__footer {
  padding: 2rem 1.5rem 2.5rem;
  color: var(--ink-soft);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  text-align: center;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 30rem) {
  body { font-size: 1rem; }
  .gate__lede br { display: none; }
  .gate__label { letter-spacing: 0.3em; padding-left: 0.3em; }
  .gate__footer { letter-spacing: 0.18em; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}