:root {
  --indigo: #1d2a57;
  --indigo-2: #2f4090;
  --saffron: #f2b134;
  --bg: #eef2f7;
  --card: #ffffff;
  --ink: #1a2038;
  --muted: #5b6482;
  --line: #d5dbe8;
  --error: #b3261e;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 1rem/1.6 "Source Sans 3", system-ui, sans-serif;
}
.wrap { width: min(760px, 92%); margin-inline: auto; }

.hero { background: var(--indigo); color: #fff; padding: 3.5rem 0 5.5rem; border-bottom: 6px solid var(--saffron); }
.kampus { margin: 0 0 1rem; font-weight: 600; opacity: .8; }
h1 { font: 800 clamp(2rem, 6vw, 3.2rem)/1.08 "Bricolage Grotesque", sans-serif; margin: 0 0 1rem; letter-spacing: -.02em; }
.lead { max-width: 52ch; margin: 0; color: #d6dcf2; }

main { margin-top: -3rem; }
.card { background: var(--card); border-radius: 10px; padding: 2rem; box-shadow: 0 12px 30px -18px rgba(29,42,87,.45); }

fieldset { border: 0; border-top: 2px solid var(--line); margin: 0 0 1.5rem; padding: 1rem 0 0; }
fieldset:first-of-type { border-top: 0; padding-top: 0; }
legend { font: 600 1.2rem "Bricolage Grotesque", sans-serif; padding: 0 .5rem 0 0; color: var(--indigo); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.25rem; }
.full { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: .35rem; font-weight: 600; font-size: .95rem; }
input, select, textarea {
  font: inherit; font-weight: 400; padding: .65rem .75rem; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 6px; background: #fff; width: 100%;
}
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 3px solid var(--saffron); outline-offset: 1px; border-color: var(--indigo-2);
}
input:user-invalid, select:user-invalid, textarea:user-invalid { border-color: var(--error); }

.check { flex-direction: row; align-items: center; gap: .6rem; font-weight: 400; margin: 1rem 0; }
.check input { width: 1.1rem; height: 1.1rem; }

button {
  font: 600 1.05rem "Source Sans 3", sans-serif; cursor: pointer;
  background: var(--saffron); color: var(--indigo); border: 0; border-radius: 6px;
  padding: .85rem 1.6rem; width: 100%;
}
button:hover { background: #ffc552; }
button:disabled { opacity: .6; cursor: wait; }

.pesan { color: var(--error); font-weight: 600; margin: 0 0 1rem; }
.honey { position: absolute; left: -9999px; }

.sukses { text-align: center; }
.sukses h2 { font: 800 1.8rem "Bricolage Grotesque", sans-serif; color: var(--indigo); margin-top: 0; }
.nomor { font: 800 2.4rem "Bricolage Grotesque", sans-serif; background: var(--bg); border: 2px dashed var(--indigo-2); border-radius: 8px; padding: .5rem 1rem; display: inline-block; margin: 0 0 1rem; letter-spacing: .04em; }

.foot { text-align: center; color: var(--muted); padding: 2rem 0; font-size: .9rem; }

@media (max-width: 600px) {
  .grid { grid-template-columns: 1fr; }
  .card { padding: 1.25rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.brand { display: flex; align-items: center; gap: .9rem; margin-bottom: 1.5rem; }
.brand img { border-radius: 8px; background: #fff; padding: 4px; object-fit: contain; }
.brand .kampus { margin: 0; line-height: 1.3; opacity: 1; font-size: 1.1rem; }
.brand .kampus span { font-weight: 400; font-size: .9rem; color: var(--saffron); }
.foot a { color: var(--indigo-2); }