/* Gavilan Sabanero — one page, black and white. */

:root {
  --ink: #000;
  --paper: #fff;
  --quiet: #767676;
  --rule: #d4d4d4;
}

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 28px;
  background: var(--paper);
  color: var(--ink);
  font-family: "Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main { width: 100%; max-width: 480px; }

h1 {
  font-size: clamp(2.1rem, 7vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0 0 14px;
}

.tagline {
  font-size: 1.05rem;
  color: var(--ink);
  margin: 0 0 64px;
  max-width: 34ch;
  text-wrap: balance;
}

form { display: flex; flex-direction: column; gap: 26px; }

.field { display: flex; flex-direction: column; gap: 6px; }

label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--quiet);
}

input, textarea {
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  padding: 6px 0;
  width: 100%;
  transition: border-color .15s ease;
}

textarea { resize: vertical; min-height: 74px; line-height: 1.55; }

input:focus, textarea:focus { outline: none; border-bottom-color: var(--ink); }

button {
  font: inherit;
  font-weight: 600;
  align-self: flex-start;
  margin-top: 6px;
  padding: 13px 34px;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: opacity .15s ease;
}

button:hover:not([disabled]) { opacity: .82; }

button[disabled] {
  color: var(--quiet);
  background: transparent;
  border-color: var(--rule);
  cursor: not-allowed;
}

/* Status line. Never reads as success unless the send actually succeeded. */
.status {
  font-size: 13px;
  color: var(--quiet);
  margin: 0;
}

.status[hidden] { display: none; }

@media (max-width: 480px) {
  body { padding: 48px 22px; align-items: flex-start; }
  .tagline { margin-bottom: 48px; }
}