:root {
  --bg: #f7f5ef;
  --card: #fffdfa;
  --text: #111111;
  --muted: #5f5b53;
  --line: #1c1c1c;
  --soft-line: #ded8cd;
  --focus: #111111;
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

button,
input,
textarea {
  font: inherit;
}

.shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}

.hero {
  max-width: 780px;
  margin-bottom: 32px;
}

.mark {
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
}

.mark svg {
  width: 100%;
  height: 100%;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(2.4rem, 6vw, 5.4rem);
  line-height: 0.94;
  letter-spacing: -0.07em;
}

.intro {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.card {
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 var(--text);
  padding: clamp(20px, 4vw, 38px);
}

.progress-wrap {
  margin-bottom: 28px;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.progress-track {
  height: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
}

.progress-bar {
  width: 12.5%;
  height: 100%;
  background: var(--text);
  transition: width 180ms ease;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.step {
  display: none;
}

.step.is-active {
  display: block;
}

legend {
  margin: 0 0 8px;
  padding: 0;
  font-size: clamp(1.6rem, 4vw, 2.7rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
}

.step h2 {
  margin: 26px 0 12px;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step-text {
  max-width: 660px;
  margin: 0 0 24px;
  color: var(--muted);
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
  font-weight: 700;
}

input[type="text"],
input[type="email"],
input[type="url"],
textarea {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  background: #ffffff;
  color: var(--text);
  padding: 14px 16px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.options label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 56px;
  margin: 0;
  padding: 14px;
  border: 1.5px solid var(--soft-line);
  border-radius: 14px;
  background: #ffffff;
  font-weight: 650;
}

.options input {
  transform: translateY(3px);
  accent-color: var(--text);
}

.optional-field {
  margin-top: 18px;
}

.scale-list {
  display: grid;
  gap: 14px;
}

.scale {
  display: grid;
  grid-template-columns: minmax(110px, 1fr) minmax(160px, 2fr) minmax(110px, 1fr);
  align-items: center;
  gap: 14px;
  margin: 0;
  padding: 14px;
  border: 1.5px solid var(--soft-line);
  border-radius: 14px;
  background: #ffffff;
}

.scale span:last-child {
  text-align: right;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--text);
}

.reference-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 14px;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1.5px solid var(--line);
}

.button {
  appearance: none;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  background: var(--text);
  color: #ffffff;
  padding: 13px 22px;
  cursor: pointer;
  font-weight: 800;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 4px 4px 0 var(--line);
}

.button.secondary {
  background: transparent;
  color: var(--text);
}

.button[disabled] {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
  box-shadow: none;
}

.submit {
  display: none;
}

.form-message {
  min-height: 24px;
  margin: 18px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.thank-you {
  text-align: left;
  min-height: 320px;
}

.thank-you h1 {
  max-width: 720px;
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.protocol {
  margin: 24px 0 0;
  padding: 14px 16px;
  border: 1.5px solid var(--soft-line);
  border-radius: 14px;
  background: #ffffff;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.admin-card {
  max-width: 520px;
}

.login-form {
  margin-top: 28px;
}

.login-form .button {
  margin-top: 8px;
}

.login-error {
  color: #8b1e1e;
}

.admin-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.admin-header h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
}

.briefing-list {
  display: grid;
  gap: 24px;
}

.briefing-card {
  box-shadow: 6px 6px 0 var(--text);
}

.briefing-card-header h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.briefing-meta {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.briefing-section {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1.5px solid var(--soft-line);
}

.briefing-section h3 {
  margin: 0 0 12px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.briefing-section p {
  margin: 0 0 10px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--soft-line);
}

.detail-row:last-child {
  border-bottom: 0;
}

.reference-list {
  margin: 0;
  padding-left: 18px;
}

.reference-list li + li {
  margin-top: 12px;
}

.reference-list a {
  color: var(--text);
  word-break: break-all;
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 20px, 960px);
    padding: 28px 0;
  }

  .card {
    border-radius: 18px;
    box-shadow: 5px 5px 0 var(--text);
  }

  .options,
  .reference-grid {
    grid-template-columns: 1fr;
  }

  .scale {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .scale span:last-child {
    text-align: left;
  }

  .form-actions {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .admin-header {
    flex-direction: column;
  }
}