:root {
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --rule: #dcdcdc;
  --accent: #1f3a5f;
  --bg: #ffffff;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
header {
  border-bottom: 1px solid var(--rule);
}
header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  padding-bottom: 20px;
}
.logo {
  font-family: var(--serif);
  color: var(--ink);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 15px;
  line-height: 1.3;
}
.logo strong { display: block; font-size: 22px; letter-spacing: 0.18em; font-weight: normal; }
.logo:hover { text-decoration: none; }

nav a {
  color: var(--ink);
  font-size: 14px;
  margin-left: 24px;
  letter-spacing: 0.04em;
}
nav a:first-child { margin-left: 0; }
nav a.active { color: var(--accent); border-bottom: 1px solid var(--accent); }
nav a:hover { color: var(--accent); text-decoration: none; }

/* Main */
main { flex: 1; padding: 48px 0 64px; }

h1 {
  font-family: var(--serif);
  font-weight: normal;
  font-size: 28px;
  margin: 0 0 24px;
}
h2 {
  font-family: var(--serif);
  font-weight: normal;
  font-size: 19px;
  margin: 32px 0 8px;
}

.facts { list-style: none; padding: 0; margin: 0; }
.facts li {
  padding: 14px 0;
  border-top: 1px solid var(--rule);
}
.facts li:last-child { border-bottom: 1px solid var(--rule); }

.note { color: var(--muted); font-size: 14px; }

.card {
  max-width: 420px;
  border: 1px solid var(--rule);
  padding: 32px 28px;
}
.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 22px;
  font-size: 15px;
  letter-spacing: 0.03em;
}
.button:hover { text-decoration: none; opacity: 0.9; }

/* Login */
.login { max-width: 400px; }
.login label { display: block; font-size: 15px; margin: 0 0 6px; }
.login input {
  width: 100%;
  font: inherit;
  padding: 10px 12px;
  border: 1px solid #c4c4c4;
  border-radius: 4px;
  margin-bottom: 18px;
}
.login input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.login input.invalid { border-color: #b3261e; }
.pw { position: relative; }
.pw input { padding-right: 46px; }
.pw-toggle {
  position: absolute;
  right: 6px;
  top: 6px;
  background: none;
  border: 0;
  padding: 4px 6px;
  color: var(--ink);
  cursor: pointer;
}
.login .button {
  width: 100%;
  border: 0;
  border-radius: 4px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.form-msg { color: #b3261e; font-size: 14px; margin: 12px 0 0; }
.forgot { display: inline-block; margin-top: 14px; font-size: 14px; color: var(--muted); text-decoration: underline; }
.invite { max-width: 400px; margin-top: 40px; font-size: 15px; }
.invite p { margin: 0 0 8px; }
.invite ul { margin: 0; padding-left: 20px; }
.invite li { margin-bottom: 6px; }

address { font-style: normal; }

/* Footer */
footer {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}
footer .wrap { padding-top: 20px; padding-bottom: 32px; }
footer p { margin: 0 0 10px; }
footer a { color: var(--muted); }
.footer-links a { margin-right: 16px; }

@media (max-width: 560px) {
  nav a { margin-left: 18px; }
  main { padding: 32px 0 48px; }
  h1 { font-size: 24px; }
}