/* Luma palette — pulled from luma-logo.svg gradient stops:
     #312E81 indigo, #6D28D9 violet, #A78BFA lilac, #F0ABFC pink. */
:root {
  --bg:           #0B0A1F;
  --bg-elev:      #15132E;
  --line:         #2A2750;
  --ink:          #ECEAFF;
  --ink-dim:      #9C97C8;
  --indigo:       #312E81;
  --violet:       #6D28D9;
  --lilac:        #A78BFA;
  --pink:         #F0ABFC;
  --grad: linear-gradient(180deg, #6D28D9 0%, #A78BFA 55%, #F0ABFC 100%);
  --grad-text: linear-gradient(180deg, #A78BFA 0%, #F0ABFC 100%);
  --radius:       12px;
}

* { box-sizing: border-box; }
/* The HTML `hidden` attribute defaults to `display: none` via the UA
 * stylesheet, but any author `display:` rule (e.g. .form-details below
 * uses `display: grid`) wins by specificity and re-shows the element.
 * Forcing this keeps `hidden` honest. */
[hidden] { display: none !important; }
html { background: var(--bg); }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-weight: 300;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 50% -200px, rgba(109, 40, 217, 0.35), transparent 70%),
    radial-gradient(900px 500px at 90% 200px, rgba(240, 171, 252, 0.10), transparent 70%),
    var(--bg);
  min-height: 100vh;
}

main { max-width: 880px; margin: 0 auto; padding: 24px 24px 80px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── Top bar ───────────────────────────────────────────────────── */
.topbar {
  display: flex; justify-content: center;
  padding: 36px 24px 0;
}
.topbar__brand img { display: block; height: 96px; }
@media (max-width: 600px) {
  .topbar__brand img { height: 72px; }
}

/* ── Hero ──────────────────────────────────────────────────────── */
.hero { padding: 28px 0 32px; text-align: center; }
.hero__kicker {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lilac);
}
.hero__title {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 200;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  background: var(--grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.hero__lead {
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--ink);
  margin: 0 0 18px;
  font-weight: 300;
}
.hero__sub {
  max-width: 620px;
  margin: 0 auto 36px;
  /* Between --ink-dim (caption grey) and --ink (full brightness) — second-
     most-important hero line, so it earns the extra contrast. */
  color: #C7C2E5;
  font-size: 18px;
}

/* ── Sign-up card ──────────────────────────────────────────────── */
.signup {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  text-align: left;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35),
              0 0 0 1px rgba(167, 139, 250, 0.06) inset;
}

.form-email {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.form-email input[type="email"] {
  flex: 1 1 260px;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 14px 16px;
  font: inherit;
}
.form-email input[type="email"]:focus,
.form-details input:focus, .form-details textarea:focus {
  outline: none;
  border-color: var(--lilac);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.18);
}
.form-email button,
.form-details button {
  background: var(--grad);
  color: #0B0A1F;
  border: 0;
  border-radius: var(--radius);
  padding: 14px 22px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.05s ease, filter 0.15s ease;
}
.form-email button:hover, .form-details button:hover { filter: brightness(1.08); }
.form-email button:active, .form-details button:active { transform: translateY(1px); }
.form-email button:disabled, .form-details button:disabled {
  filter: grayscale(0.6) brightness(0.7); cursor: not-allowed;
}

/* ── Step 2 form ──────────────────────────────────────────────── */
.form-details { display: grid; gap: 20px; }
.form-details__title {
  margin: 0;
  font-size: 22px;
  font-weight: 400;
  background: var(--grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.form-details__sub { margin: -10px 0 0; color: var(--ink-dim); font-size: 14px; }

.features {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px 16px;
  background: rgba(167, 139, 250, 0.04);
}
.features legend {
  padding: 0 6px;
  color: var(--lilac);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.features__grid {
  display: grid; gap: 14px 20px;
  grid-template-columns: 1fr;
  margin-top: 10px;
}
@media (min-width: 600px) {
  .features__grid { grid-template-columns: 1fr 1fr; }
}
.features__grid label {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 15px;
  color: var(--ink);
  cursor: pointer;
}
.features__grid input[type="checkbox"] {
  margin-top: 2px;
  width: 18px; height: 18px;
  accent-color: var(--lilac);
}

.qty {
  display: grid; gap: 6px;
  font-size: 14px; color: var(--ink-dim);
}
.qty input[type="number"] {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 12px 14px;
  font: inherit;
  width: 140px;
}

.feedback { display: grid; gap: 6px; font-size: 14px; color: var(--ink-dim); }
.feedback textarea {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 12px 14px;
  font: inherit;
  resize: vertical;
  min-height: 96px;
}

.thanks { text-align: center; padding: 16px 0 8px; }
.thanks h2 {
  margin: 0 0 6px;
  font-weight: 400;
  background: var(--grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.thanks p { margin: 0; color: var(--ink-dim); }

.signup__error {
  margin: 12px 0 0;
  color: #FCA5A5;
  font-size: 14px;
  background: rgba(220, 38, 38, 0.10);
  border: 1px solid rgba(220, 38, 38, 0.35);
  border-radius: var(--radius);
  padding: 10px 12px;
}

/* ── Content blocks ───────────────────────────────────────────── */
.block { padding: 36px 0 0; border-top: 1px solid var(--line); margin-top: 48px; }
.block:first-of-type { border-top: 0; }
.block h2 {
  margin: 0 0 16px;
  font-size: 26px;
  font-weight: 300;
  background: var(--grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.bullets { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.bullets--two { gap: 18px; }
@media (min-width: 720px) {
  .bullets--two { grid-template-columns: 1fr 1fr; gap: 18px 28px; }
}
.bullets li {
  position: relative;
  padding-left: 22px;
  color: var(--ink);
}
.bullets li::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--grad);
  box-shadow: 0 0 12px rgba(240, 171, 252, 0.45);
}
.bullets li strong { color: var(--ink); font-weight: 500; }
.block__note { margin-top: 14px; color: var(--ink-dim); font-style: italic; }
code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  background: rgba(167, 139, 250, 0.10);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 0.9em;
}

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--line);
  margin-top: 64px;
  padding: 24px;
  text-align: center;
  color: var(--ink-dim);
  font-size: 14px;
}
.footer a { color: var(--lilac); text-decoration: none; }
.footer a:hover { text-decoration: underline; }