:root {
  --red: #d71920;
  --red-dark: #b51218;
  --ink: #181818;
  --muted: #666;
  --line: #dedede;
  --soft: #f7f7f7;
}
* { box-sizing: border-box; }
html { background: #fff; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}
.page { width: min(900px, calc(100% - 36px)); margin: 0 auto; padding: 42px 0 28px; }
.site-header { max-width: 720px; margin: 0 auto 30px; text-align: center; }
.eyebrow { margin: 0 0 8px; color: var(--red); font-size: .76rem; font-weight: 800; letter-spacing: .16em; }
h1 { margin: 0; font-size: clamp(2.2rem, 6vw, 3.7rem); line-height: 1.05; letter-spacing: -.045em; }
h1 span { color: var(--red); }
.intro { max-width: 650px; margin: 18px auto 0; color: #555; font-size: 1.04rem; }
form { padding: clamp(20px, 4vw, 36px); border: 1px solid #e8e8e8; border-radius: 14px; box-shadow: 0 8px 30px rgba(0,0,0,.045); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 20px; }
.field { min-width: 0; }
.field.full { grid-column: 1 / -1; }
label { display: block; margin: 0 0 8px; font-weight: 700; font-size: .95rem; }
.required { color: var(--red); }
.optional { color: var(--muted); font-weight: 400; font-size: .88rem; }
input, textarea {
  display: block; width: 100%; min-height: 48px; border: 1px solid #cfcfcf; border-radius: 7px;
  padding: 12px 13px; color: var(--ink); background: #fff; font: inherit; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
textarea { min-height: 120px; resize: vertical; }
input:focus, textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(215,25,32,.12); }
input[type="file"] { padding: 10px; background: var(--soft); }
.input-prefix { display: flex; align-items: center; border: 1px solid #cfcfcf; border-radius: 7px; overflow: hidden; }
.input-prefix:focus-within { border-color: var(--red); box-shadow: 0 0 0 3px rgba(215,25,32,.12); }
.input-prefix span { padding-left: 13px; color: #777; }
.input-prefix input { border: 0; box-shadow: none; }
.help { margin: 7px 0 0; color: var(--muted); font-size: .84rem; }
.file-list { margin-top: 7px; color: #444; font-size: .88rem; }
.privacy-note { margin: 25px 0 18px; padding: 13px 15px; background: #f8f8f8; border-left: 3px solid var(--red); color: #555; font-size: .86rem; }
.submit-button {
  display: flex; justify-content: center; align-items: center; gap: 12px; width: 100%; min-height: 54px;
  border: 0; border-radius: 7px; padding: 14px 20px; background: var(--red); color: #fff;
  font-size: 1rem; font-weight: 800; cursor: pointer; transition: background .15s, transform .15s;
}
.submit-button:hover { background: var(--red-dark); }
.submit-button:active { transform: translateY(1px); }
.submit-button:disabled { opacity: .65; cursor: wait; }
.required-note { margin: 12px 0 0; color: var(--muted); font-size: .82rem; }
.form-message { margin: 12px 0 0; font-weight: 700; }
.form-message.error { color: #b51218; }
.form-message.success { color: #176b36; }
.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
footer { padding: 25px 0 0; text-align: center; color: #888; font-size: .82rem; }
@media (max-width: 620px) {
  .page { width: min(100% - 24px, 900px); padding-top: 28px; }
  .form-grid { grid-template-columns: 1fr; gap: 18px; }
  .field.full { grid-column: auto; }
  form { padding: 18px; }
}
