:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #1c2333;
  --muted: #5b6478;
  --brand: #1e3a8a;
  --brand-2: #2563eb;
  --accent: #f59e0b;
  --border: #d6dbe6;
  --error: #b91c1c;
  --ok: #15803d;
  --radius: 12px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Arial, sans-serif;
}

[hidden] { display: none !important; }

.wrap { max-width: 640px; margin: 0 auto; padding: 0 16px; }

.top {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  padding: 18px 0;
  text-align: center;
}
.top p { margin: 0; }
.college { font-weight: 700; font-size: 1.1rem; }
.dice { font-size: .9rem; opacity: .9; }

.hero { text-align: center; padding: 28px 0 8px; }
.hero h1 { margin: 0 0 8px; font-size: 1.75rem; line-height: 1.25; color: var(--brand); }
.hero p { margin: 0; color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  margin: 20px 0;
  box-shadow: 0 2px 8px rgba(20, 30, 60, .05);
}
.card h2 { margin: 0 0 6px; font-size: 1.3rem; }
.card > p, #form-box > p { margin: 0 0 16px; color: var(--muted); }

.download { text-align: center; border-top: 4px solid var(--accent); }
.meta { margin: 8px 0 0 !important; font-size: .85rem; }

.btn {
  display: inline-block;
  border: 0;
  border-radius: 10px;
  background: var(--brand-2);
  color: #fff;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--brand); }
.btn:disabled { opacity: .6; cursor: wait; }
.btn-big { width: 100%; padding: 14px 18px; font-size: 1.05rem; }
.download .btn { background: var(--accent); color: #1c2333; }
.download .btn:hover { background: #d97706; }

.field { display: block; margin: 0 0 16px; border: 0; padding: 0; min-width: 0; }
.field > span, .field > legend { display: block; font-weight: 600; margin-bottom: 6px; padding: 0; }

input[type="text"], input[type="tel"], input[type="email"], select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font: inherit;
}
input:focus, select:focus { outline: 2px solid var(--brand-2); outline-offset: 1px; border-color: var(--brand-2); }

.row { display: grid; grid-template-columns: 1fr; gap: 0 16px; }
@media (min-width: 520px) { .row { grid-template-columns: 1fr 1fr; } }

.choices { display: flex; gap: 10px; flex-wrap: wrap; }
.choice {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  flex: 1 1 100px;
}
.choice input { width: 18px; height: 18px; margin: 0; }

.consent { display: flex; gap: 10px; align-items: flex-start; margin: 4px 0 8px; font-size: .92rem; }
.consent input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; }
.consent + .err { margin-top: 0; }
#reg-form .btn { margin-top: 12px; }

.err { color: var(--error); font-size: .88rem; margin: 6px 0 0; }
.err-general {
  background: #fef2f2; border: 1px solid #fecaca; border-radius: 8px;
  padding: 10px 12px; margin: 0 0 16px;
}

.thanks { text-align: center; padding: 12px 0; }
.thanks h2 { color: var(--ok); }
.thanks p { margin: 0; color: var(--muted); }

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

.foot { text-align: center; color: var(--muted); font-size: .88rem; padding: 8px 0 32px; }
.foot p { margin: 0 0 8px; }