/* Black Diamond funnel — clean, direct, premium. No clutter. */
:root {
  --ink: #14161a;
  --ink-soft: #525964;
  --line: #e3e6ea;
  --bg: #fafbfc;
  --card: #ffffff;
  --gold: #b8923f;       /* black diamond accent */
  --gold-dk: #9a7a32;
  --good: #1f9d6b;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20,22,26,.04), 0 8px 24px rgba(20,22,26,.06);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.wrap { width: 100%; max-width: 560px; margin: 0 auto; padding: 0 20px; }

/* Topbar */
.topbar { border-bottom: 1px solid var(--line); background: #fff; padding: 16px 0; }
.topbar .wrap { display: flex; align-items: baseline; gap: 8px; }
.topbar-center .wrap { justify-content: center; }
.hero-h1, .hero-sub { text-align: center; }
.logo { font-weight: 800; letter-spacing: .14em; font-size: 16px; }
.logo-sub { color: var(--ink-soft); font-size: 13px; letter-spacing: .04em; }

/* Progress */
.progress { height: 4px; background: var(--line); border-radius: 99px; margin: 24px auto 8px; max-width: 520px; overflow: hidden; }
.progress-bar { height: 100%; width: 0%; background: var(--gold); border-radius: 99px; transition: width .35s ease; }

/* Steps */
main { padding-bottom: 64px; }
.step { display: none; padding: 20px 0 8px; animation: fade .35s ease; }
.step.is-active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.hero-h1 { font-size: 30px; line-height: 1.15; font-weight: 800; letter-spacing: -.02em; margin: 12px 0 10px; }
.hero-sub { color: var(--ink-soft); font-size: 16px; margin-bottom: 28px; }
.q { font-size: 20px; font-weight: 700; letter-spacing: -.01em; margin: 8px 0 6px; }
.q-sub { color: var(--ink-soft); font-size: 14px; margin-bottom: 18px; }

/* Cards */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.cards-wide { grid-template-columns: 1fr; }
.card {
  appearance: none; cursor: pointer; text-align: left;
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 18px 18px; font-size: 16px; font-weight: 600; color: var(--ink);
  display: flex; align-items: center; gap: 12px; box-shadow: var(--shadow);
  transition: border-color .15s, transform .08s, box-shadow .15s;
}
.cards:not(.cards-wide) .card { flex-direction: column; align-items: flex-start; gap: 10px; font-size: 30px; }
.cards:not(.cards-wide) .card span { font-size: 15px; font-weight: 600; }
.card:hover { border-color: var(--gold); }
.card:active { transform: scale(.98); }
.card.sel { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(184,146,63,.15), var(--shadow); }

/* Contact fields */
.fields { display: grid; gap: 12px; margin: 6px 0 20px; }
.fields input {
  width: 100%; border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 16px; font-size: 16px; background: #fff; color: var(--ink);
}
.fields input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(184,146,63,.15); }

/* CTA */
.cta {
  width: 100%; cursor: pointer; appearance: none; border: 0;
  background: var(--ink); color: #fff; font-size: 17px; font-weight: 700;
  padding: 18px; border-radius: var(--radius); box-shadow: var(--shadow);
  transition: transform .08s, opacity .15s;
}
.cta:hover { opacity: .92; }
.cta:active { transform: scale(.99); }
.cta:disabled { opacity: .5; cursor: not-allowed; }
.fineprint { color: var(--ink-soft); font-size: 12px; margin-top: 12px; text-align: center; }

.back {
  appearance: none; background: none; border: 0; cursor: pointer;
  color: var(--ink-soft); font-size: 14px; padding: 18px 0 0; margin-top: 8px;
}
.back:hover { color: var(--ink); }

/* Calendar */
.calendar { background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.cal-month { font-weight: 700; font-size: 16px; }
.cal-nav { appearance: none; background: none; border: 1.5px solid var(--line); border-radius: 8px; width: 34px; height: 34px; font-size: 18px; cursor: pointer; color: var(--ink); }
.cal-nav:hover { border-color: var(--gold); }
.cal-nav:disabled { opacity: .3; cursor: not-allowed; }
.cal-dow { display: grid; grid-template-columns: repeat(7,1fr); gap: 4px; margin-bottom: 6px; }
.cal-dow span { text-align: center; font-size: 11px; color: var(--ink-soft); font-weight: 600; }
.cal-grid { display: grid; grid-template-columns: repeat(7,1fr); gap: 4px; }
.cal-cell {
  appearance: none; border: 0; background: none; cursor: pointer;
  aspect-ratio: 1; border-radius: 10px; font-size: 15px; font-weight: 600; color: var(--ink);
}
.cal-cell.empty { visibility: hidden; }
.cal-cell.disabled { color: var(--line); cursor: not-allowed; }
.cal-cell:not(.disabled):not(.empty):hover { background: rgba(184,146,63,.12); }
.cal-cell.sel { background: var(--ink); color: #fff; }
.block-wrap { margin-top: 4px; }

.foot { color: var(--ink-soft); font-size: 12px; padding-top: 24px; padding-bottom: 32px; border-top: 1px solid var(--line); margin-top: 24px; text-align: center; }

@media (max-width: 420px) {
  .hero-h1 { font-size: 26px; }
  .cards:not(.cards-wide) .card { font-size: 26px; }
}