/* Rccbat — coming soon. Offset colour slab behind a white card. Written by hand. */

:root {
  --page: #eef0f3;
  --slab: #16255e;
  --slab-2: #223a8f;
  --card: #ffffff;
  --ink: #101830;
  --muted: #6b7288;
  --line: #e4e8ee;
  --mint: #2fbf9b;
  --mint-soft: #e6f7f2;
  --radius: 22px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.64;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--slab); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--mint); outline-offset: 2px; border-radius: 7px; }

.stage { max-width: 1000px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); }

/* header */
.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap;
  padding: 24px 0 clamp(24px, 4vw, 40px);
}
.brand {
  display: inline-flex; align-items: center; gap: 11px;
  color: var(--ink); font-weight: 750; letter-spacing: -.01em;
}
.brand:hover { text-decoration: none; }
.brand b {
  width: 36px; height: 36px; border-radius: 11px;
  background: var(--slab); color: #fff;
  display: grid; place-items: center;
  font-size: .76rem; font-weight: 800;
}
.top nav { display: flex; gap: 22px; }
.top nav a { color: var(--muted); font-size: .87rem; }
.top nav a:hover, .top nav a.active { color: var(--slab); }

/* the overlapping pair */
.blocks { display: grid; grid-template-columns: 1fr; }
.slab {
  grid-area: 1 / 1;
  justify-self: end; align-self: start;
  width: 58%; min-height: 74%;
  margin: clamp(70px, 9vw, 120px) 0 0;
  background: linear-gradient(150deg, var(--slab), var(--slab-2));
  border-radius: 28px;
}
.card {
  grid-area: 1 / 1;
  align-self: start;
  width: 84%;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 26px 60px rgba(16, 24, 48, .12);
  padding: clamp(24px, 4vw, 46px);
}

.chip {
  display: inline-block; margin: 0 0 20px;
  padding: 5px 13px; border-radius: 999px;
  background: var(--mint-soft); color: #14805f;
  font-size: .73rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
}
h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-size: clamp(2rem, 5.2vw, 3.2rem);
  line-height: 1.05; letter-spacing: -.04em; font-weight: 770;
}
h1 span { color: var(--mint); }
.tagline { margin: 0 0 14px; color: #38405c; font-size: 1.05rem; }
.intro { margin: 0 0 clamp(26px, 4vw, 38px); max-width: 54ch; color: var(--muted); }

.seam { border: 0; height: 1px; background: var(--line); margin: 0 0 clamp(24px, 3.4vw, 34px); }

h2 { margin: 0 0 4px; font-size: 1.02rem; font-weight: 700; letter-spacing: -.01em; }
.hint { margin: 0 0 18px; color: var(--muted); font-size: .88rem; }

.field { margin-bottom: 14px; }
.field label {
  display: block; margin-bottom: 6px;
  font-size: .79rem; font-weight: 600; color: #333c58;
}
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit; font-size: .96rem;
  color: var(--ink);
  background: #f8f9fc;
  border: 1px solid var(--line);
  border-radius: 11px;
  transition: border-color .18s, box-shadow .18s, background .18s;
}
.field textarea { resize: vertical; min-height: 108px; }
.field input:focus, .field textarea:focus {
  outline: none; background: #fff;
  border-color: var(--mint);
  box-shadow: 0 0 0 4px var(--mint-soft);
}
.field .invalid { border-color: #c0392b; background: #fff6f4; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 100%; min-height: 50px; padding: 0 24px;
  font: inherit; font-size: .95rem; font-weight: 700;
  color: #fff; background: var(--slab);
  border: 0; border-radius: 11px;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(22, 37, 94, .24);
  transition: transform .18s, background .18s;
}
.btn:hover { background: var(--slab-2); transform: translateY(-1px); }
.btn:disabled { opacity: .6; cursor: default; transform: none; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.status { margin: 12px 0 0; min-height: 1.2em; font-size: .88rem; }
.status.ok { color: #14805f; font-weight: 600; }
.status.err { color: #b23a2f; font-weight: 600; }

.who {
  margin: 0; display: flex; flex-wrap: wrap; gap: 8px 26px;
  color: var(--muted); font-size: .89rem;
}
.who dt { display: inline; }
.who dd { display: inline; margin: 0 0 0 6px; font-weight: 600; color: var(--ink); }

.base {
  margin-top: clamp(30px, 5vw, 52px);
  padding: 22px 0 38px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  color: var(--muted); font-size: .83rem;
}
.base nav { display: flex; gap: 20px; }
.base a { color: var(--muted); }
.base a:hover { color: var(--slab); }
.base p { margin: 0; }

/* legal */
.doc { max-width: 820px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px) 52px; }
.doc .sheet {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 26px 60px rgba(16, 24, 48, .10);
  padding: clamp(26px, 4.4vw, 44px);
}
.doc h1 { margin: 14px 0 12px; font-size: clamp(1.8rem, 4.4vw, 2.5rem); }
.stamp {
  display: inline-block; margin: 0 0 28px;
  padding: 5px 13px; border-radius: 999px;
  background: var(--mint-soft); color: #14805f; font-size: .78rem;
}
.doc h2 {
  margin: 30px 0 10px;
  font-size: 1.04rem; font-weight: 700; letter-spacing: -.01em;
  text-transform: none; color: var(--ink);
}
.doc h2:first-of-type { margin-top: 0; }
.doc p, .doc li { color: #3c4460; }
.doc ul { padding-left: 20px; }
.doc li { margin-bottom: .5em; }
.doc-actions {
  margin-top: 38px; padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px;
}
.doc-actions .btn { width: auto; min-width: 165px; }
.soft { background: var(--mint-soft); color: #14805f; box-shadow: none; }
.soft:hover { background: #d7f0e8; }

@media (max-width: 820px) {
  .slab { display: none; }
  .card { width: 100%; }
}
@media (max-width: 560px) {
  .base { flex-direction: column; }
}