/* The one Sign in (/sign-in/, step 3 of the restructure): two doors, My Passport and the Business account, and one
   email box that sends whichever links that email has. Loads after /brand.css and uses its tokens. */
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--mc-paper); color: var(--mc-ink); font: 16.5px/1.6 var(--mc-sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: var(--mc-accent-text); }
h1 { font-family: var(--mc-serif); font-weight: 400; margin: 0; line-height: 1.05; text-wrap: balance; }
p { margin: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.si { padding-block: clamp(36px, 7vw, 84px) clamp(60px, 9vw, 110px); }
.si-wrap { max-width: 960px; margin: 0 auto; padding-inline: var(--mc-gutter); display: grid; gap: clamp(24px, 4vw, 36px); }
.si-head { display: grid; gap: 12px; }
.si-k { font: 500 .74rem var(--mc-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--mc-accent-text); }
.si-head h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
.si-head p { color: var(--mc-muted); font-size: clamp(1.02rem, 1.8vw, 1.15rem); }

.si-doors { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 720px) { .si-doors { grid-template-columns: 1fr; } }
.si-door { display: grid; grid-template-rows: auto 1fr auto; gap: 16px; padding: clamp(20px, 4vw, 30px); background: var(--mc-card); border: 1px solid var(--mc-line);
  border-radius: var(--mc-radius); color: var(--mc-ink); text-decoration: none; transition: border-color .15s, transform .15s, box-shadow .15s; min-width: 0; }
.si-door:hover { border-color: var(--mc-ink); transform: translateY(-2px); box-shadow: 0 14px 30px -22px rgba(22,21,27,.45); }
.si-door:focus-visible { outline: 2px solid var(--mc-accent); outline-offset: 3px; }
.si-ic { width: 30px; height: 30px; fill: none; stroke: var(--mc-ink); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.si-door-t { display: grid; gap: 8px; align-content: start; }
.si-door-t b { font: 400 clamp(1.7rem, 3.4vw, 2.2rem)/1.05 var(--mc-serif); }
.si-door-t span { color: var(--mc-ink); }
.si-door-t small { color: var(--mc-muted); font-size: .88rem; line-height: 1.5; }
.si-go { font-weight: 600; display: inline-flex; gap: 6px; align-items: center; border-top: 1px solid var(--mc-line); padding-top: 14px; }
.si-go i { font-style: normal; color: var(--mc-accent-text); font-size: 1.2em; line-height: 1; }

.si-any { display: grid; gap: 14px; padding: clamp(18px, 3.5vw, 26px); background: var(--mc-tint); border: 1px solid var(--mc-line); border-radius: var(--mc-radius); }
.si-any b { font-weight: 600; }
.si-any p { color: var(--mc-muted); font-size: .95rem; }
.si-row { display: flex; flex-wrap: wrap; gap: 10px; }
.si-row input[type=email] { flex: 1 1 240px; min-width: 0; font: 400 1rem var(--mc-sans); color: var(--mc-ink); background: var(--mc-card); border: 1px solid var(--mc-line);
  border-radius: 999px; padding: 13px 18px; }
.si-row input[type=email]:focus { outline: 2px solid var(--mc-accent); outline-offset: 1px; border-color: transparent; }
.si-row .mc-btn { flex: 0 0 auto; }
@media (max-width: 480px) { .si-row .mc-btn { flex: 1 1 100%; } }
.si-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.si-msg:empty { display: none; }
.si-msg.ok { color: var(--mc-good); }
.si-msg.err { color: var(--mc-accent-text); }
.si-help { color: var(--mc-muted); font-size: .92rem; }

.si-for { display: block; font: 500 .7rem/1 var(--mc-mono); font-style: normal; letter-spacing: .14em; text-transform: uppercase; color: var(--mc-accent-text); margin-bottom: 8px; }