/* ============================================
   SPTech - Formulario de Inscricao
   Design System baseado no sptech.school
   ============================================ */

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Brand Colors */
  --color-primary: #2ea3f2;
  --color-primary-dark: #1a7bb5;
  --color-primary-light: #e8f4fd;
  --color-accent: #82c0c7;
  --color-success: #27ae60;
  --color-success-light: #eafaf1;
  --color-error: #e74c3c;
  --color-error-light: #fdeaea;
  --color-warning: #f39c12;

  /* Neutrals */
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-border: #ddd;
  --color-border-light: #eee;
  --color-bg: #ffffff;
  --color-bg-gray: #f8f9fa;
  --color-bg-dark: #2c3e50;

  /* Typography */
  --font-family: 'Open Sans', Arial, sans-serif;
  --font-size-base: 14px;
  --font-size-sm: 12px;
  --font-size-md: 16px;
  --font-size-lg: 20px;
  --font-size-xl: 28px;
  --font-size-xxl: 36px;
  --line-height: 1.7;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;

  /* Layout */
  --container-max: 1080px;
  --container-padding: 20px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition: all 0.3s ease;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-weight: 500;
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

/* ===== HEADER ===== */
.header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md) var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo-svg {
  height: 42px;
  width: auto;
}

.header__nav {
  display: flex;
  gap: var(--space-lg);
}

.header__nav-link {
  color: var(--color-text);
  font-weight: 600;
  font-size: var(--font-size-base);
  padding: var(--space-sm) 0;
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

.header__nav-link:hover::after {
  width: 100%;
}

.header__nav-link:hover {
  color: var(--color-primary);
}

/* Mobile menu toggle */
.header__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  flex-direction: column;
  gap: 5px;
}

.header__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-accent) 100%);
  color: white;
  padding: var(--space-xxl) var(--container-padding);
  text-align: center;
}

.hero__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.hero__title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.5px;
}

.hero__subtitle {
  font-size: var(--font-size-md);
  font-weight: 400;
  opacity: 0.9;
}

/* ===== PROGRESS BAR ===== */
.progress-section {
  background: var(--color-bg);
  padding: var(--space-xl) var(--container-padding);
  border-bottom: 1px solid var(--color-border-light);
}

.progress-section__container {
  max-width: 700px;
  margin: 0 auto;
}

.progress-bar {
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-bar__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  position: relative;
  z-index: 1;
}

.progress-bar__circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-base);
  transition: var(--transition);
  border: 3px solid transparent;
}

.progress-bar__step.active .progress-bar__circle {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.progress-bar__step.completed .progress-bar__circle {
  background: var(--color-success);
  color: white;
}

.progress-bar__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 600;
  white-space: nowrap;
  transition: var(--transition);
}

.progress-bar__step.active .progress-bar__label,
.progress-bar__step.completed .progress-bar__label {
  color: var(--color-text);
}

.progress-bar__line {
  flex: 1;
  height: 3px;
  background: var(--color-border);
  margin: 0 var(--space-sm);
  margin-bottom: 28px;
  border-radius: 2px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  min-width: 40px;
}

.progress-bar__line.completed {
  background: var(--color-success);
}

/* ===== FORM SECTION ===== */
.form-section {
  padding: var(--space-xl) var(--container-padding) var(--space-xxl);
  background: var(--color-bg-gray);
  min-height: 60vh;
}

.form-section__container {
  max-width: 800px;
  margin: 0 auto;
}

.form {
  background: var(--color-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  position: relative;
}

/* ===== FORM STEPS ===== */
.form__step {
  display: none;
  padding: var(--space-xl);
  border: none;
  animation: fadeIn 0.4s ease;
}

.form__step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.form__legend {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-primary-light);
  width: 100%;
}

/* ===== FORM ROWS & GROUPS ===== */
.form__row {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.form__group {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.form__group--half {
  flex: 0 0 calc(50% - var(--space-sm));
}

.form__group--third {
  flex: 0 0 calc(33.333% - 11px);
}

/* ===== LABELS ===== */
.form__label {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form__required {
  color: var(--color-error);
  font-weight: 700;
}

/* ===== INPUTS & SELECTS ===== */
.form__input,
.form__select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form__input::placeholder {
  color: var(--color-text-muted);
}

.form__input:focus,
.form__select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form__input.error,
.form__select.error {
  border-color: var(--color-error);
  background: var(--color-error-light);
}

.form__input.error:focus,
.form__select.error:focus {
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
}

.form__input.valid,
.form__select.valid {
  border-color: var(--color-success);
}

/* Select arrow */
.form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}

/* ===== HINTS & ERRORS ===== */
.form__hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.form__error {
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--space-xs);
  min-height: 18px;
  font-weight: 600;
}

/* ===== RADIO BUTTONS ===== */
.form__radio-group {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.form__radio {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  padding: 12px 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition);
  flex: 1;
  min-width: 200px;
}

.form__radio:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.form__radio-input {
  display: none;
}

.form__radio-custom {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  flex-shrink: 0;
}

.form__radio-input:checked + .form__radio-custom {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.form__radio-input:checked + .form__radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: white;
}

.form__radio-input:checked ~ .form__radio-label {
  font-weight: 700;
  color: var(--color-primary-dark);
}

.form__radio-label {
  font-size: var(--font-size-base);
  font-weight: 500;
}

/* ===== CHECKBOX ===== */
.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
  padding: var(--space-sm) 0;
}

.form__checkbox-input {
  display: none;
}

.form__checkbox-custom {
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
}

.form__checkbox-input:checked + .form__checkbox-custom {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form__checkbox-input:checked + .form__checkbox-custom::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 6px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form__checkbox-label {
  font-size: var(--font-size-base);
  line-height: 1.5;
}

/* ===== CONDITIONAL FIELDS ===== */
.form__conditional {
  overflow: hidden;
  transition: all 0.4s ease;
}

.form__conditional.showing {
  animation: slideDown 0.4s ease forwards;
}

.form__conditional.hiding {
  animation: slideUp 0.3s ease forwards;
}

@keyframes slideDown {
  from { opacity: 0; max-height: 0; margin-bottom: 0; }
  to { opacity: 1; max-height: 800px; margin-bottom: var(--space-md); }
}

@keyframes slideUp {
  from { opacity: 1; max-height: 800px; margin-bottom: var(--space-md); }
  to { opacity: 0; max-height: 0; margin-bottom: 0; }
}

/* ===== INFO BOX ===== */
.form__info-box {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-primary-light);
  border: 1px solid rgba(46, 163, 242, 0.2);
  border-radius: var(--border-radius);
  margin: var(--space-lg) 0;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-primary-dark);
}

.form__info-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

/* ===== SUMMARY (Step 4) ===== */
.form__summary {
  background: var(--color-bg-gray);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.form__summary-section {
  margin-bottom: var(--space-md);
}

.form__summary-section:last-child {
  margin-bottom: 0;
}

.form__summary-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.form__summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm) var(--space-lg);
}

.form__summary-item {
  display: flex;
  flex-direction: column;
}

.form__summary-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form__summary-value {
  font-size: var(--font-size-base);
  color: var(--color-text);
  font-weight: 500;
}

/* ===== BUTTONS ===== */
.form__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid var(--color-border-light);
}

.form__actions--between {
  justify-content: space-between;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 700;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn__icon {
  width: 18px;
  height: 18px;
}

.btn__icon--left {
  order: -1;
}

.btn--primary {
  background: var(--color-primary);
  color: white;
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-light);
  border: 2px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.btn--success {
  background: var(--color-success);
  color: white;
  padding: 14px 32px;
  font-size: var(--font-size-md);
}

.btn--success:hover {
  background: #219a52;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--success:disabled {
  background: var(--color-text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ===== LOADING ===== */
.form__loading {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  z-index: 100;
  border-radius: var(--border-radius-lg);
}

.form__loading p {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
  font-weight: 600;
}

.form__spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===== SUCCESS STATE ===== */
.form__success {
  background: var(--color-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-xxl);
  text-align: center;
}

.form__success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  color: var(--color-success);
}

.form__success-icon svg {
  width: 100%;
  height: 100%;
}

.form__success-title {
  font-size: var(--font-size-xl);
  color: var(--color-success);
  margin-bottom: var(--space-md);
}

.form__success-text {
  font-size: var(--font-size-md);
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.form__success-details {
  background: var(--color-success-light);
  border: 1px solid rgba(39, 174, 96, 0.2);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-base);
  color: #1a7a44;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-xl) var(--container-padding);
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
  text-align: center;
}

.footer__brand {
  font-size: var(--font-size-md);
  color: white;
  margin-bottom: var(--space-xs);
}

.footer__text {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
}

.footer__links {
  margin-bottom: var(--space-md);
}

.footer__links a {
  color: var(--color-accent);
  font-weight: 600;
}

.footer__links a:hover {
  color: white;
}

.footer__separator {
  margin: 0 var(--space-sm);
  opacity: 0.3;
}

.footer__copy {
  font-size: var(--font-size-sm);
  opacity: 0.5;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .header__nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-md);
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--color-border-light);
  }

  .header__nav.open {
    display: flex;
  }

  .header__mobile-toggle {
    display: flex;
  }

  .hero__title {
    font-size: var(--font-size-xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
  }

  .progress-bar__label {
    font-size: 10px;
  }

  .progress-bar__circle {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
  }

  .form__step {
    padding: var(--space-md);
  }

  .form__row {
    flex-direction: column;
    gap: var(--space-md);
  }

  .form__group--half,
  .form__group--third {
    flex: 1 1 100%;
  }

  .form__radio-group {
    flex-direction: column;
  }

  .form__radio {
    min-width: unset;
  }

  .form__actions {
    flex-direction: column-reverse;
    gap: var(--space-sm);
  }

  .form__actions--between {
    flex-direction: column-reverse;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .form__summary-grid {
    grid-template-columns: 1fr;
  }

  .form__success {
    padding: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-lg) var(--container-padding);
  }

  .hero__title {
    font-size: var(--font-size-lg);
  }

  .progress-bar__label {
    display: none;
  }
}

/* ===== ACCESSIBILITY ===== */
.form__input:focus-visible,
.form__select:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===== RECAPTCHA ===== */
.form__recaptcha {
  display: flex;
  justify-content: center;
  padding: var(--space-sm) 0;
}

/* ===== PRINT ===== */
@media print {
  .header,
  .hero,
  .progress-section,
  .form__actions,
  .footer {
    display: none;
  }

  .form {
    box-shadow: none;
  }

  .form__step {
    display: block !important;
  }
}

/* ===== MODAL DE AVISOS ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modalFadeIn 0.25s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-box {
  background: #fff;
  border-radius: 16px;
  padding: 36px 32px 28px;
  max-width: 420px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  animation: modalSlideUp 0.3s ease;
}

.modal-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: #fff3e0;
  color: #f57c00;
}

.modal-icon--error {
  background: #fde8e8;
  color: #e53935;
}

.modal-icon--info {
  background: #e3f2fd;
  color: #1e88e5;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 12px;
}

.modal-msg {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.55;
  margin: 0 0 24px;
}

.modal-btn {
  min-width: 140px;
  padding: 12px 28px;
  font-size: 0.95rem;
  border-radius: 8px;
  cursor: pointer;
  display: block;
  margin: 0 auto;
}