:root {
  --dc-navy: #12293B;
  --dc-navy-deep: #0A1B28;
  --dc-red: #E13A2E;
  --dc-red-deep: #B72A20;
  --dc-sky: #A9DCEF;
  --dc-sky-deep: #6FB9D6;
  --dc-white: #FFFFFF;
  --dc-ink: #12293B;
  --dc-muted: #6B7C89;
  --dc-line: #E3E8EC;
  --dc-green: #2E8B57;
  --dc-green-tint: #EAF6EF;
  --dc-serif: 'Cardo', Georgia, serif;
  --dc-sans: 'Besley', Georgia, serif;
  --dc-numeric: 'Nunito', -apple-system, sans-serif;
}

#dive-form * { box-sizing: border-box; }

#dive-form {
  max-width: 640px;
  margin: 0 auto;
  font-family: var(--dc-numeric);
  color: var(--dc-ink);
  background: var(--dc-white);
}

.df-header {
  text-align: center;
  padding: 8px 16px 20px;
}

.df-logo {
  display: block;
  max-width: 300px;
  max-height: 120px;
  width: auto;
  height: auto;
  margin: 0 auto 12px;
}

.df-header h1 {
  font-family: var(--dc-serif);
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--dc-navy);
}

.df-header p {
  font-family: var(--dc-sans);
  font-size: 14px;
  color: var(--dc-muted);
  margin: 0;
}

.df-lang-toggle {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 0 16px 18px;
}

.df-lang-btn {
  font-family: var(--dc-numeric);
  font-weight: 800;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--dc-line);
  background: var(--dc-white);
  color: var(--dc-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.df-lang-btn:hover { border-color: var(--dc-navy); color: var(--dc-navy); }

.df-lang-btn.df-lang-active {
  background: var(--dc-navy);
  border-color: var(--dc-navy);
  color: var(--dc-white);
}

.df-med-yesno-title {
  font-family: var(--dc-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--dc-navy);
  margin-bottom: 4px;
}

/* Stepper */
.df-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 0 16px 20px;
}

.df-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
}

.df-step::before {
  content: '';
  position: absolute;
  top: 13px;
  left: -50%;
  width: 100%;
  height: 2px;
  background: var(--dc-line);
  z-index: 0;
}

.df-step:first-child::before { display: none; }

.df-step.df-done::before,
.df-step.df-active::before {
  background: var(--dc-navy);
}

.df-step-dot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--dc-white);
  border: 2px solid var(--dc-line);
  color: var(--dc-muted);
  font-family: var(--dc-numeric);
  font-weight: 800;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  transition: all 0.2s ease;
}

.df-step.df-active .df-step-dot {
  background: var(--dc-navy);
  border-color: var(--dc-navy);
  color: var(--dc-white);
}

.df-step.df-done .df-step-dot {
  background: var(--dc-green);
  border-color: var(--dc-green);
  color: var(--dc-white);
}

.df-step-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--dc-muted);
  text-align: center;
}

.df-step.df-active .df-step-label { color: var(--dc-navy); }

/* Panels — all shown at once, one long page */
.df-panel { display: block; padding: 4px 16px 8px; }

.df-panel + .df-panel {
  border-top: 1px solid var(--dc-line);
  margin-top: 8px;
  padding-top: 28px;
}

.df-section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--dc-serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--dc-navy);
  margin: 0 0 4px;
}

.df-section-title::after {
  content: '';
  flex: 1;
  height: 2px;
  border-radius: 2px;
  background: var(--dc-navy);
}

.df-section-sub {
  font-family: var(--dc-sans);
  font-size: 13px;
  color: var(--dc-muted);
  margin: 0 0 18px;
}

.df-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.df-field { margin-bottom: 14px; }
.df-row .df-field { margin-bottom: 0; }

.df-field label {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--dc-navy);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.df-field label .df-req { color: var(--dc-red); margin-left: 2px; }

.df-field input[type="text"],
.df-field input[type="email"],
.df-field input[type="tel"],
.df-field input[type="number"],
.df-field input[type="date"],
.df-field select,
.df-field textarea {
  width: 100%;
  padding: 10px 12px;
  font-family: var(--dc-numeric);
  font-size: 14.5px;
  color: var(--dc-ink);
  border: 1.5px solid var(--dc-line);
  border-radius: 8px;
  background: var(--dc-white);
  transition: border-color 0.15s ease;
}

.df-field input:focus,
.df-field select:focus,
.df-field textarea:focus {
  outline: none;
  border-color: var(--dc-navy);
}

.df-field textarea { resize: vertical; min-height: 60px; }

.df-hint { font-size: 11.5px; color: var(--dc-muted); margin-top: 4px; }

/* Segmented / pill choice group */
.df-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.df-pill {
  position: relative;
}

.df-pill input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}

.df-pill span {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--dc-line);
  font-size: 13px;
  font-weight: 700;
  color: var(--dc-navy);
  background: var(--dc-white);
  transition: all 0.15s ease;
}

.df-pill input:checked + span {
  background: var(--dc-red);
  border-color: var(--dc-red);
  color: var(--dc-white);
}

.df-pill input:focus-visible + span {
  box-shadow: 0 0 0 3px var(--dc-sky);
}

/* Yes/No question rows (medical) */
.df-yesno-list { display: flex; flex-direction: column; gap: 0; }

.df-yesno {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--dc-line);
}

.df-yesno:last-child { border-bottom: none; }

.df-yesno-text {
  font-size: 13.5px;
  color: var(--dc-ink);
  line-height: 1.4;
  flex: 1;
}

.df-yesno-toggle { display: flex; gap: 6px; flex-shrink: 0; }

.df-yesno-toggle .df-pill span { padding: 7px 14px; font-size: 12px; }

/* Conditional block */
.df-conditional {
  border-left: 3px solid var(--dc-sky);
  padding-left: 14px;
  margin: 4px 0 18px;
}

/* Legal text block */
.df-legal-block {
  background: #F7F9FA;
  border: 1px solid var(--dc-line);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 16px;
  max-height: 180px;
  overflow-y: auto;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--dc-muted);
}

.df-legal-block h4 {
  font-family: var(--dc-sans);
  font-size: 13px;
  color: var(--dc-navy);
  margin: 0 0 6px;
}

.df-legal-block a {
  color: var(--dc-red);
  font-weight: 700;
}

.df-agree {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1.5px solid var(--dc-line);
  border-radius: 10px;
  margin-bottom: 14px;
  cursor: pointer;
}

.df-agree input {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--dc-navy);
  flex-shrink: 0;
}

.df-agree span {
  font-size: 12.5px;
  color: var(--dc-ink);
  line-height: 1.5;
}

.df-agree.df-agreed {
  border-color: var(--dc-green);
  background: var(--dc-green-tint);
}

/* Signature pad */
.df-sig-wrap {
  border: 1.5px dashed var(--dc-line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--dc-white);
  margin-bottom: 8px;
}

#df-sig-canvas {
  width: 100%;
  height: 160px;
  display: block;
  touch-action: none;
  cursor: crosshair;
  background:
    linear-gradient(transparent 0 calc(100% - 1px), var(--dc-line) 0) bottom / 100% 100%;
}

.df-sig-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.df-sig-clear {
  background: none;
  border: none;
  color: var(--dc-red);
  font-family: var(--dc-numeric);
  font-weight: 700;
  font-size: 12.5px;
  cursor: pointer;
  padding: 4px 0;
}

/* Nav buttons */
.df-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 16px 6px;
  border-top: 1px solid var(--dc-line);
  margin-top: 6px;
}

.df-btn {
  font-family: var(--dc-numeric);
  font-weight: 800;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.15s ease;
}

.df-btn-primary {
  background: var(--dc-navy);
  color: var(--dc-white);
  margin-left: auto;
}

.df-btn-primary:hover { background: var(--dc-navy-deep); }

.df-btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.df-btn-ghost {
  background: none;
  color: var(--dc-navy);
  border: 1.5px solid var(--dc-line);
}

.df-btn-ghost:hover { border-color: var(--dc-navy); }

.df-btn-submit {
  background: var(--dc-red);
  color: var(--dc-white);
  margin-left: auto;
}

.df-btn-submit:hover { background: var(--dc-red-deep); }

/* Success screen */
.df-success {
  display: none;
  text-align: center;
  padding: 60px 24px;
}

.df-success.df-visible { display: block; }

.df-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--dc-green-tint);
  color: var(--dc-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 30px;
}

.df-success h2 {
  font-family: var(--dc-serif);
  font-size: 22px;
  color: var(--dc-navy);
  margin: 0 0 8px;
}

.df-success p {
  font-family: var(--dc-sans);
  font-size: 14px;
  color: var(--dc-muted);
  margin: 0 0 24px;
}

/* Mobile */
@media (max-width: 480px) {
  .df-row { grid-template-columns: 1fr; gap: 0; }
  .df-step-label { display: none; }
  .df-header h1 { font-size: 22px; }
  .df-yesno { flex-direction: column; align-items: flex-start; gap: 8px; }
  .df-yesno-toggle { align-self: flex-start; }
}