/* RoyalSonic checkout — brand tokens (royal red · sonic black · light panels) */
:root {
  --rs-royal: #e30613;
  --rs-royal-hover: #c10510;
  --rs-black: #111111;
  --rs-ink: #1a1a1a;
  --rs-gold: #f5c518;
  --rs-bg: #f0f0f2;
  --rs-pane: #ffffff;
  --rs-line: #e4e4e7;
  --rs-line-strong: #c8c8ce;
  --rs-muted: #5c5c66;
  --rs-nav: #2b2b2f;
  --rs-ok: #2f9e44;
  --rs-danger: #e30613;
  --font: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --display: "Source Serif 4", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--rs-ink);
  background: var(--rs-bg);
  line-height: 1.5;
}

.site-top {
  background: #fff;
  border-bottom: 1px solid var(--rs-line);
}
.site-top-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  text-decoration: none;
  color: inherit;
}
.brand-mark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  line-height: 1;
}
.brand-mark .royal { color: var(--rs-royal); }
.brand-mark .sonic { color: var(--rs-black); }
.brand-sub {
  font-size: 0.78rem;
  color: var(--rs-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.nav {
  display: flex;
  gap: 0.15rem;
  align-items: center;
  background: var(--rs-nav);
  border-radius: 6px;
  padding: 0.2rem;
}
.nav a {
  color: #ececef;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 4px;
}
.nav a:hover { background: rgba(255,255,255,0.08); }
.nav-login { color: #fff !important; }

.steps-bar { background: var(--rs-nav); color: #fff; }
.steps-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.7rem 1.25rem;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.step {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
}
.step i {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-style: normal;
  font-size: 0.75rem;
  border: 1px solid rgba(255,255,255,0.35);
}
.step.is-active { color: #fff; }
.step.is-active i { background: var(--rs-royal); border-color: var(--rs-royal); }
.step.is-done { color: rgba(255,255,255,0.85); }
.step.is-done i { background: var(--rs-ok); border-color: var(--rs-ok); }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}
.page-title {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin: 0 0 0.35rem;
  color: var(--rs-black);
}
.page-lede {
  margin: 0 0 1.4rem;
  color: var(--rs-muted);
  max-width: 40rem;
}

.step-panel { display: none; }
.step-panel.is-visible { display: block; }

.layout-2 {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 820px) {
  .layout-2 { grid-template-columns: 1fr; }
  .nav { display: none; }
}

.panel {
  background: var(--rs-pane);
  border: 1px solid var(--rs-line);
  border-radius: 8px;
  padding: 1.2rem 1.3rem;
  box-shadow: 0 1px 2px rgba(17,17,17,0.04);
}
.panel h2 {
  margin: 0 0 0.9rem;
  font-size: 1.05rem;
  color: var(--rs-black);
}

label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--rs-ink);
  margin-bottom: 0.85rem;
}
label .opt { font-weight: 500; color: var(--rs-muted); }
input, select {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  background: #fff;
  border: 1px solid var(--rs-line-strong);
  color: var(--rs-ink);
  border-radius: 6px;
  padding: 0.65rem 0.75rem;
  font: inherit;
}
input:focus, select:focus {
  outline: 2px solid rgba(227,6,19,0.25);
  border-color: var(--rs-royal);
}
.hint, .muted {
  font-size: 0.84rem;
  color: var(--rs-muted);
  margin: 0.2rem 0 0.8rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 0.9rem;
}
.form-grid .span-2 { grid-column: 1 / -1; }
@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span-2 { grid-column: auto; }
}

.plan-list { display: flex; flex-direction: column; gap: 0.55rem; }
.plan-option {
  text-align: left;
  width: 100%;
  background: #fff;
  border: 1px solid var(--rs-line);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  font: inherit;
}
.plan-option:hover { border-color: var(--rs-line-strong); background: #fafafa; }
.plan-option.is-selected {
  border-color: var(--rs-royal);
  box-shadow: inset 0 0 0 1px var(--rs-royal);
  background: #fde8ea;
}
.plan-option strong { display: block; color: var(--rs-black); }
.plan-option span { font-size: 0.84rem; color: var(--rs-muted); }

.summary-body { font-size: 0.92rem; }
.summary-line {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--rs-line);
}
.summary-line:last-child { border-bottom: 0; }
.summary-line .name { font-weight: 600; color: var(--rs-black); }
.summary-line .meta { display: block; font-size: 0.8rem; font-weight: 500; color: var(--rs-muted); }
.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 2px solid var(--rs-black);
  font-size: 0.95rem;
}
.summary-total strong {
  font-size: 1.45rem;
  color: var(--rs-black);
  letter-spacing: -0.02em;
}

.summary-actions, .form-actions {
  display: flex;
  gap: 0.6rem;
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: 1.1rem;
}
.btn-primary, .btn-ghost {
  appearance: none;
  border-radius: 6px;
  padding: 0.7rem 1.15rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--rs-ok);
  color: #fff;
  border-color: #278a3a;
}
.btn-primary:hover { background: #278a3a; }
.btn-primary:disabled { opacity: 0.55; cursor: wait; }
.btn-ghost {
  background: #e9e9ec;
  color: var(--rs-ink);
  border-color: var(--rs-line-strong);
}
.btn-ghost:hover { background: #dde0e6; }

.pay-review {
  background: #fafafa;
  border: 1px solid var(--rs-line);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin: 0.5rem 0 0.25rem;
}
.pay-review dl {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.35rem 0.75rem;
  margin: 0;
  font-size: 0.92rem;
}
.pay-review dt { color: var(--rs-muted); font-weight: 600; }
.pay-review dd { margin: 0; color: var(--rs-black); font-weight: 600; }

.err {
  color: #7a0b12;
  background: #fde8ea;
  border: 1px solid #f3b4ba;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-top: 1rem;
}

.foot {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--rs-muted);
  font-size: 0.82rem;
}
.foot a { color: var(--rs-muted); }

[hidden] { display: none !important; }