/* Windline — coming soon. Airy vertical column, hairlines, lowercase wordmark. Hand-written. */

:root {
  --sky: #f8fbfc;
  --ink: #10202a;
  --soft: #6d818c;
  --rule: #dbe6ea;
  --blue: #2f86c9;
  --on-blue: #f6fcff;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--sky);
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI", ui-sans-serif, system-ui, -apple-system, Roboto, Arial, sans-serif;
  font-size: 17px; line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 3px; }

.col { max-width: 620px; margin: 0 auto; padding: 0 22px; }

/* long lowercase wordmark */
.brandline {
  display: block;
  padding: clamp(30px, 6vw, 54px) 0 0;
  text-align: center;
}
.brandline a {
  color: var(--ink);
  font-size: clamp(1.3rem, 3.4vw, 1.7rem);
  font-weight: 500;
  letter-spacing: .38em;
  text-transform: lowercase;
  text-decoration: none;
}
.brandline a:hover { color: var(--blue); }

/* three diagonal wind strokes */
.strokes { display: flex; justify-content: center; gap: 7px; padding: 22px 0 6px; }
.strokes i {
  display: block; width: 3px; height: 26px;
  background: var(--blue); opacity: .38;
  transform: skewX(-24deg);
}
.strokes i:nth-child(2) { height: 34px; opacity: .6; }
.strokes i:nth-child(3) { height: 20px; opacity: .28; }

/* head */
.intro { padding: clamp(24px, 4vw, 34px) 0 clamp(18px, 3vw, 26px); text-align: center; }
.intro .eyebrow {
  margin: 0 0 14px;
  font-size: .68rem; letter-spacing: .3em; text-transform: uppercase; color: var(--soft);
}
.intro h1 {
  margin: 0 0 16px;
  font-size: clamp(1.55rem, 4.6vw, 2.15rem);
  font-weight: 600; line-height: 1.28; letter-spacing: -.015em;
}
.intro p { margin: 0 auto 8px; max-width: 44ch; color: #37474f; }
.intro p.dim { color: var(--soft); font-size: .95rem; }

/* form: underlined fields, no boxes */
form { margin: clamp(22px, 3.4vw, 30px) 0 0; text-align: left; }
.line { padding: 14px 0 2px; border-bottom: 1px solid var(--rule); }
.line:focus-within { border-bottom-color: var(--blue); }
.line label {
  display: block;
  font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--soft);
}
.line input, .line textarea {
  width: 100%; padding: 4px 0;
  font: inherit; font-size: 1rem;
  color: var(--ink); background: transparent;
  border: 0; border-radius: 0;
  resize: none;
}
.line textarea { min-height: 74px; }
.line input:focus, .line textarea:focus { outline: none; }
.line.bad { border-bottom-color: #c94f3d; }

.submit {
  display: block; width: 100%;
  margin: 26px 0 0; min-height: 48px;
  font: inherit; font-size: .82rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--on-blue); background: var(--blue);
  border: 0; border-radius: 3px;
  cursor: pointer;
  transition: background .18s, transform .18s;
}
.submit:hover { background: #27739f; transform: translateY(-1px); }
.submit:disabled { opacity: .5; cursor: default; transform: none; }

.ghost { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.note { margin: 14px 0 0; min-height: 1.2em; text-align: center; font-size: .86rem; }
.note.ok { color: var(--blue); }
.note.no { color: #c94f3d; }

/* footer */
.tail {
  margin: clamp(34px, 6vw, 54px) 0 0;
  padding: 18px 0 40px;
  border-top: 1px solid var(--rule);
  text-align: center;
  font-size: .78rem; color: var(--soft);
}
.tail p { margin: 0 0 6px; }
.tail nav a { margin: 0 10px; color: var(--soft); }
.tail nav a:hover { color: var(--blue); }

/* legal */
.doc { max-width: 660px; margin: 0 auto; padding: 0 22px 46px; }
.doc .brow { padding: 26px 0 0; text-align: center; }
.doc .brow a { color: var(--ink); letter-spacing: .3em; text-transform: lowercase; font-size: .95rem; text-decoration: none; }
.doc h1 { margin: 30px 0 4px; font-size: clamp(1.4rem, 3.6vw, 1.8rem); letter-spacing: -.01em; }
.doc .when { display: block; margin: 0 0 26px; padding-bottom: 14px; border-bottom: 1px solid var(--rule); font-size: .74rem; letter-spacing: .1em; color: var(--soft); text-transform: uppercase; }
.doc h2 { margin: 24px 0 6px; font-size: 1rem; font-weight: 650; }
.doc h2:first-of-type { margin-top: 0; }
.doc p, .doc li { color: #37474f; }
.doc ul { padding-left: 20px; }
.doc li { margin-bottom: .45em; }
.doc .ret { margin-top: 30px; padding-top: 16px; border-top: 1px solid var(--rule); text-align: center; }
.backlink { display: inline-block; padding: 11px 22px; border: 1px solid var(--rule); border-radius: 3px; color: var(--ink); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; text-decoration: none; }
.backlink:hover { border-color: var(--blue); color: var(--blue); }

@media (prefers-reduced-motion: reduce) {
  .submit:hover { transform: none; }
}