/* ─── Design Tokens ─────────────────────────────────────────────────── */
:root {
  --bg:           #FFFFFF00;
  --field-bg:     #013a52;          /* dark teal from screenshot */
  --field-border: rgba(255,255,255,0.15);
  --field-focus:  rgba(255,255,255,0.35);
  --text-input:   #ffffff;
  --placeholder:  rgba(255,255,255,0.70);
  --accent:       #fde48a;          /* warm yellow pill button */
  --accent-hover: #fef0b0;
  --accent-text:  #013a52;
  --error:        #ff7070;

  --font:         'Arial', sans-serif;
  --gap:          10px;             /* gap between fields */
  --radius-field: 6px;
  --radius-btn:   50px;             /* pill shape */
  --transition:   180ms ease;
}

/* ─── Reset ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── Body ───────────────────────────────────────────────────────────── */
body {
  background: var(--bg);
  font-family: var(--font);
  color: var(--text-input);
  /* Centre the form when used as a standalone demo page.
     Remove or override these styles when embedding. */
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

/* ─── Wrapper ────────────────────────────────────────────────────────── */
.form-wrapper {
  width: 100%;
  max-width: 860px;
}

/* ─── Form ───────────────────────────────────────────────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

/* ─── Field Groups ───────────────────────────────────────────────────── */
.field-group {
  display: flex;
  flex-direction: column;
}

/* ─── Inputs & Textarea ──────────────────────────────────────────────── */
.field-input {
  width: 100%;
  background: var(--field-bg);
  color: var(--text-input);
  border: 1px solid var(--field-border);
  border-radius: var(--radius-field);
  padding: 1.1rem 1.4rem;
  font-family: var(--font);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 300;
  outline: none;
  appearance: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: none;
}

.field-input::placeholder {
  color: var(--placeholder);
  font-weight: 300;
}

.field-input:focus {
  border-color: var(--field-focus);
  box-shadow: 0 0 0 2px rgba(255,255,255,0.08);
}

.field-textarea {
  min-height: 220px;
  line-height: 1.6;
}

/* ─── Validation States ──────────────────────────────────────────────── */
.field-group.is-invalid .field-input {
  border-color: var(--error);
}

.field-error {
  font-size: 12px;
  color: var(--error);
  min-height: 18px;
  padding: 3px 2px 0;
  letter-spacing: 0.02em;
  display: block;
}

/* ─── Form Footer ────────────────────────────────────────────────────── */
.form-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 4px;
  flex-wrap: wrap;
}

.recaptcha-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.submit-col {
  display: flex;
  align-items: center;
}

/* ─── Submit Button ──────────────────────────────────────────────────── */
.btn-submit {
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: var(--radius-btn);
  padding: 1rem 3.5rem;
  font-family: var(--font);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-width: 190px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn-submit:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(253, 228, 138, 0.35);
}

.btn-submit:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: none;
}

.btn-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* Spinner (shown when loading) */
.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(1, 58, 82, 0.35);
  border-top-color: var(--accent-text);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-submit.is-loading .btn-text   { display: none; }
.btn-submit.is-loading .btn-spinner { display: inline-block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Success State ──────────────────────────────────────────────────── */
.success-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1rem;
  gap: 1rem;
  animation: fadeUp 0.4s ease both;
}

.success-state[hidden] { display: none; }

.success-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 0.5rem;
  animation: popIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes popIn {
  from { transform: scale(0.4); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

.success-title {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.success-body {
  font-size: 1rem;
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

.btn-reset {
  margin-top: 0.75rem;
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.55);
  border-radius: var(--radius-btn);
  padding: 0.65rem 1.75rem;
  font-family: var(--font);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.btn-reset:hover {
  border-color: var(--accent);
  color: var(--accent);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 560px) {
  .form-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .submit-col {
    justify-content: flex-end;
  }

  .btn-submit {
    width: 100%;
  }
}