/* Tokens from design/tokens.md. Dark mode follows the system. */
:root {
  --bg: #FFFFFF;
  --ink: #0E1012;
  --body: #3B4148;
  --muted: #5E656D;
  --line: #E7E9EC;
  --field: #DDE0E4;
  --surface: #F6F7F8;
  --chip: #F3F4F6;
  --up: #0A7D4F;
  --down: #C73A2C;
  --accent: #3451C6;
  --accent-text: #3451C6;
  --btn: #0E1012;
  --btn-text: #FFFFFF;
  --focus: rgba(52, 81, 198, 0.28);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A0B0D;
    --ink: #F2F3F5;
    --body: #C9CED6;
    --muted: #9BA3AE;
    --line: #23262C;
    --field: #33373E;
    --surface: #14161A;
    --chip: #1C1F24;
    --up: #3DD68C;
    --down: #FF7A6B;
    --accent-text: #8FA3FF;
    --btn: #F2F3F5;
    --btn-text: #0E1012;
    --focus: rgba(143, 163, 255, 0.35);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  line-height: 1.45;
}

.page {
  max-width: 440px;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) 20px max(28px, env(safe-area-inset-bottom));
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 4px; }
.brand { font-size: 19px; font-weight: 800; letter-spacing: -0.04em; }
.soon { font-size: 12px; font-weight: 600; color: var(--muted); background: var(--chip); padding: 6px 10px; border-radius: 999px; white-space: nowrap; }

.hero { margin-top: 32px; }
.kicker { margin: 0 0 12px; font-size: 13px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent-text); }
h1 {
  margin: 0;
  font-size: 44px;
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.05em;
}
.accent { color: var(--accent-text); }
.lede { margin: 16px 0 0; font-size: 17px; color: var(--body); }
.points { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 10px; }
.points li { position: relative; padding-left: 22px; font-size: 15px; color: var(--body); }
.points li::before { content: ""; position: absolute; left: 2px; top: 0.55em; width: 8px; height: 8px; border-radius: 3px; background: var(--accent); }
.points b { color: var(--ink); font-weight: 600; }

/* Example locks */
.preview { margin-top: 36px; display: grid; gap: 12px; }
.preview-label { margin: 0; font-size: 12px; font-weight: 600; color: var(--muted); letter-spacing: 0.02em; }
.lock {
  margin: 0;
  padding: 16px 18px 14px;
  background: var(--surface);
  border-radius: 18px;
}
.lock-top { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.who { display: flex; align-items: center; gap: 8px; min-width: 0; }
.avatar { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; background: var(--chip); color: var(--body); }
.avatar.you { background: var(--accent); color: #FFFFFF; }
.lock-handle { font-weight: 600; color: var(--body); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.follow { flex: none; font-size: 12px; font-weight: 700; color: #FFFFFF; background: var(--accent); padding: 5px 12px; border-radius: 999px; }
.lock-tag {
  display: inline-flex; align-items: center; gap: 5px;
  font-weight: 600; color: var(--muted);
}
.lock-tag svg { width: 12px; height: 12px; }
.lock-main { display: flex; align-items: baseline; gap: 12px; margin-top: 10px; }
.lock-ticker { font-size: 30px; font-weight: 800; letter-spacing: -0.04em; }
.lock-dir { font-size: 15px; font-weight: 500; }
.lock-dir b { font-weight: 700; }
.up { color: var(--up); }
.down { color: var(--down); }
.lock-meta { margin-top: 4px; font-size: 13px; color: var(--muted); }
.lock-score {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--muted);
}
.lock-score b { font-size: 17px; letter-spacing: -0.02em; }

/* Form */
.form { margin-top: 28px; }
.label { display: block; font-size: 13px; font-weight: 600; color: var(--body); margin: 0 0 8px; }
.field {
  display: flex; align-items: center;
  height: 54px; padding: 0 16px;
  border: 1px solid var(--field); border-radius: 14px;
  background: var(--bg);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--focus); }
.field.bad { border-color: var(--down); }
.at { font-size: 17px; font-weight: 600; color: var(--muted); margin-right: 2px; }
.field input {
  flex: 1; min-width: 0; height: 100%;
  border: 0; outline: 0; background: transparent; color: var(--ink);
  font: inherit; font-size: 17px; /* 17px keeps iOS from zooming */
}
.field input::placeholder { color: var(--muted); opacity: 0.7; }
.status { min-height: 20px; margin: 6px 2px 14px; font-size: 13px; color: var(--muted); }
.status.ok { color: var(--up); }
.status.bad { color: var(--down); }

.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.primary, .secondary {
  display: block; width: 100%; height: 56px;
  border-radius: 999px; border: 0;
  font: inherit; font-size: 17px; font-weight: 700; letter-spacing: -0.01em;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.1s, opacity 0.15s;
}
.primary { background: var(--btn); color: var(--btn-text); margin-top: 4px; }
.secondary { background: var(--bg); color: var(--ink); box-shadow: inset 0 0 0 1px var(--field); }
.primary:active, .secondary:active { transform: scale(0.98); }
.primary:disabled { opacity: 0.5; cursor: default; }
.primary:focus-visible, .secondary:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.fine { margin: 12px 0 0; font-size: 13px; color: var(--muted); text-align: center; }
.fine:empty { display: none; }
#form-error { color: var(--down); }
.small { margin: 10px 0 0; font-size: 12px; line-height: 1.4; color: var(--muted); text-align: center; text-wrap: pretty; }

/* Success */
.done { margin-top: 36px; }
.done h2 { margin: 0; font-size: 34px; line-height: 1.08; font-weight: 800; letter-spacing: -0.045em; outline: 0; word-break: break-word; }
.done .lede { margin-bottom: 24px; }
.done:not([hidden]) { animation: rise 0.35s ease-out; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.foot { margin-top: auto; padding-top: 40px; font-size: 12px; color: var(--muted); text-align: center; }

@media (min-width: 720px) {
  .page { padding-top: 40px; }
  .hero { margin-top: 64px; }
  h1 { font-size: 56px; }
}

/* Wide screens: pitch and form on the left, example locks on the right. */
@media (min-width: 960px) {
  .page {
    max-width: 1040px;
    padding-left: 40px; padding-right: 40px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    grid-template-areas: "top top" "hero preview" "join preview" "foot foot";
    grid-template-rows: auto auto 1fr auto;
    column-gap: 72px;
  }
  .top { grid-area: top; }
  .hero { grid-area: hero; max-width: 520px; }
  .join { grid-area: join; max-width: 440px; }
  .preview { grid-area: preview; align-self: start; margin-top: 96px; }
  .preview .lock:first-of-type { transform: rotate(-1.5deg); }
  .preview .lock:last-of-type { transform: rotate(1deg) translateX(-14px); }
  .foot { grid-area: foot; }
  h1 { font-size: 68px; }
  .small, .fine { text-align: left; }
}

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