/* ============================================
   Good Thnx — Qualification Form
   ============================================ */

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

:root {
  /* Good Thnx brand palette — sourced from thnx.me */
  --color-primary: #0a5fd4;
  --color-primary-hover: #0848a8;
  --color-primary-light: #e6f0fc;
  --color-primary-border: #b3d2f5;
  --color-primary-faint: rgba(10, 95, 212, 0.06);

  --color-accent: #FDD13E;            /* Good Thnx brand yellow */
  --color-accent-hover: #f0bd1a;
  --color-accent-soft: #fff4c4;       /* soft yellow tint */

  --color-brand-deep: #01479D;        /* deep blue, top of gradient */
  --color-brand-bright: #0184FF;      /* vivid blue, bottom of gradient */
  --brand-gradient: linear-gradient(180deg, #01479D 0%, #0184FF 100%);

  --color-text: #1a1d21;
  --color-text-secondary: #4a4f57;
  --color-text-helper: #5a6470;
  --color-text-inverse: #ffffff;

  --color-bg: #f5f8fc;
  --color-white: #ffffff;
  --color-border: #dde3eb;
  --color-border-hover: #c5cdd9;
  --color-border-focus: #0a5fd4;

  --color-error: #c23a3a;
  --color-error-bg: #fdf2f2;

  --color-section-bg: #fafbfd;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* --- Full-bleed brand banner --- */
.brand-banner {
  background: var(--color-brand-deep);
  color: var(--color-text-inverse);
  padding: 20px 24px 28px;
  position: relative;
  overflow: hidden;
}

.brand-banner::after {
  /* Good Thnx yellow ribbon accent */
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--color-accent);
}

.brand-banner-inner {
  max-width: 680px;
  margin: 0 auto;
}

/* --- Page Layout --- */
.page-wrapper {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

/* --- Header (inside banner) --- */
.site-header {
  margin-bottom: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
}

.logo-row {
  display: flex;
  align-items: center;
  justify-content: center;
  grid-column: 2;
}

.logo-mark {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  display: block;
}

.back-link {
  grid-column: 1;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-inverse);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.15s ease, border-color 0.15s ease;
}

.back-link:hover,
.back-link:focus {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.6);
  outline: none;
}

.back-link svg {
  display: block;
}

.back-link-spacer {
  grid-column: 3;
}

@media (max-width: 520px) {
  .back-link span {
    display: none;
  }
  .back-link {
    padding: 8px;
  }
}

/* --- Hero / Positioning Block --- */
.hero-block {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-accent);
}

.hero-block h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 1.85rem);
  font-weight: 800;
  color: var(--color-brand-deep);
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin-bottom: 14px;
}

.hero-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.hero-description strong {
  color: var(--color-text);
  font-weight: 600;
}

.hero-criteria {
  background: var(--color-primary-faint);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}

.criteria-label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.criteria-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.95rem;
}

.criteria-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.5;
}

.criteria-list li strong {
  font-weight: 600;
}

.criteria-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.hero-cta-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.hero-cta-text strong {
  color: var(--color-text);
  font-weight: 600;
}

/* --- Step Indicator --- */
.step-indicator {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 24px;
  padding: 0 4px;
}

.step {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--color-border);
  color: var(--color-text-helper);
  transition: all var(--transition);
}

.step-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-helper);
  transition: color var(--transition);
}

.step.active .step-num {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.step.active .step-label {
  color: var(--color-primary);
  font-weight: 600;
}

.step.completed .step-num {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.step.completed .step-label {
  color: var(--color-text-secondary);
}

.step-line {
  flex: 1;
  height: 2px;
  background: var(--color-border);
  margin: 0 8px;
  transition: background var(--transition);
}

.step-line.active {
  background: var(--color-primary);
}

/* --- Form Sections --- */
.form-section {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-bottom: 0;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-section-bg);
}

.section-number {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  flex-shrink: 0;
  margin-top: 1px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-helper);
  margin-top: 2px;
  line-height: 1.4;
}

.section-body {
  padding: 28px;
}

.section-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 0 28px 24px;
}

/* --- Form Fields --- */
.form-field {
  margin-bottom: 28px;
}

.form-field:last-child {
  margin-bottom: 0;
}

.form-field > label:first-child {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
  line-height: 1.4;
}

.required {
  color: var(--color-primary);
  font-weight: 700;
}

/* Text inputs & selects */
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235a5f66' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(26, 107, 90, 0.1);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

::placeholder {
  color: var(--color-text-helper);
}

.helper-text {
  display: block;
  font-size: 14px;
  color: var(--color-text-helper);
  margin-bottom: 8px;
  line-height: 1.55;
}

/* --- Form rows (side-by-side) --- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.form-row:last-child {
  margin-bottom: 0;
}

.form-row .form-field {
  margin-bottom: 0;
}

/* --- Radio Stack --- */
.radio-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.4;
}

.radio-option:hover {
  border-color: var(--color-border-hover);
  background: var(--color-section-bg);
}

.radio-option:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.radio-option input {
  display: none;
}

.radio-option .radio-indicator {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  position: relative;
  transition: border-color var(--transition);
  flex-shrink: 0;
}

.radio-option:has(input:checked) .radio-indicator {
  border-color: var(--color-primary);
}

.radio-option:has(input:checked) .radio-indicator::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* --- Buttons --- */
.btn-next,
.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform 0.1s ease, box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}

.btn-next:hover,
.btn-submit:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

.btn-next:active,
.btn-submit:active {
  transform: scale(0.98);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  padding: 13px 20px;
  background: none;
  color: var(--color-text-secondary);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.btn-back:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text);
  background: var(--color-section-bg);
}

.btn-submit {
  flex: 1;
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-loading {
  display: flex;
  align-items: center;
  gap: 8px;
}

.spinner {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

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

/* --- Validation Errors --- */
.field-error {
  font-size: 0.9rem;
  color: var(--color-error);
  margin-top: 6px;
  min-height: 0;
}

.field-error:empty {
  display: none;
}

input.invalid,
select.invalid,
textarea.invalid {
  border-color: var(--color-error);
}

input.invalid:focus,
select.invalid:focus,
textarea.invalid:focus {
  box-shadow: 0 0 0 3px rgba(194, 58, 58, 0.1);
}

.radio-stack.invalid .radio-option {
  border-color: rgba(194, 58, 58, 0.3);
}

/* --- Submit Error --- */
.submit-error {
  margin-top: 16px;
  padding: 14px 18px;
  background: var(--color-error-bg);
  color: var(--color-error);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  text-align: center;
  font-weight: 500;
}

/* --- Thank You --- */
.thank-you {
  text-align: center;
  padding: 60px 24px;
}

.thank-you-inner {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.check-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
}

.thank-you h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.thank-you p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  max-width: 440px;
  margin: 0 auto;
  line-height: 1.6;
}

/* --- Footer --- */
.site-footer {
  text-align: center;
  padding: 40px 0 0;
  color: var(--color-text-helper);
  font-size: 0.875rem;
}

/* --- Utility --- */
.hidden {
  display: none !important;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .page-wrapper {
    padding: 24px 16px 40px;
  }

  .hero-block {
    padding: 24px 20px;
  }

  .hero-block h1 {
    font-size: 1.2rem;
  }

  .section-header {
    padding: 18px 20px;
  }

  .section-body {
    padding: 20px;
  }

  .section-actions {
    padding: 0 20px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-row .form-field {
    margin-bottom: 28px;
  }

  .form-row:last-child .form-field:last-child {
    margin-bottom: 0;
  }

  .step-label {
    display: none;
  }

  .step-indicator {
    gap: 0;
    padding: 0;
    margin-bottom: 20px;
  }

  .step {
    gap: 0;
  }

  .thank-you-inner {
    padding: 40px 24px;
  }

  .hero-criteria {
    padding: 16px;
  }
}