/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --bg-dark: #0f1117;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-input: rgba(255, 255, 255, 0.06);
  --bg-input-focus: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(245, 166, 35, 0.5);
  --text-primary: #f0f0f5;
  --text-secondary: #9a9ab0;
  --text-muted: #5e5e76;
  --accent: #f5a623;
  --accent-hover: #f7b84a;
  --accent-glow: rgba(245, 166, 35, 0.25);
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #22c55e;
  --gradient-accent: linear-gradient(135deg, #f5a623 0%, #e8792e 100%);
  --gradient-bg: linear-gradient(160deg, #0f1117 0%, #1a1a2e 40%, #16213e 100%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(245, 166, 35, 0.08);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gradient-bg);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== BACKGROUND DECORATION ===== */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  right: -30%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.06) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  bottom: -40%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(22, 33, 62, 0.4) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

/* ===== HEADER ===== */
.header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 50px 20px 30px;
  animation: fadeInDown 0.8s ease-out;
}

.header__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.header__title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 0%, #c0c0d0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header__subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 500px;
  margin: 0 auto;
}

/* ===== STEP INDICATOR ===== */
.steps {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  padding: 10px 20px 40px;
  animation: fadeInDown 0.8s ease-out 0.15s both;
}

.step {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: var(--transition);
}

.step__number {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
  flex-shrink: 0;
}

.step__label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  white-space: nowrap;
}

.step--active .step__number {
  background: var(--gradient-accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}

.step--active .step__label {
  color: var(--text-primary);
}

.step--completed .step__number {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

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

.step__connector {
  width: 50px;
  height: 2px;
  background: var(--border-subtle);
  margin: 0 8px;
  transition: var(--transition);
  flex-shrink: 0;
}

.step__connector--active {
  background: var(--accent);
}

/* ===== MAIN CONTAINER ===== */
.container {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* ===== SECTION CARDS ===== */
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  margin-bottom: 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  animation: fadeInUp 0.6s ease-out both;
}

.section-card:nth-child(2) {
  animation-delay: 0.1s;
}

.section-card:nth-child(3) {
  animation-delay: 0.2s;
}

.section-card:hover {
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.section-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.section-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(245, 166, 35, 0.2);
}

.section-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.section-card__description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ===== FORM GRID ===== */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-grid--single {
  grid-template-columns: 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group--full {
  grid-column: 1 / -1;
}

/* ===== LABELS ===== */
.form-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.form-label--required::after {
  content: ' *';
  color: var(--accent);
}

/* ===== INPUTS ===== */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.92rem;
  transition: var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background: var(--bg-input-focus);
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error {
  font-size: 0.75rem;
  color: var(--danger);
  display: none;
  margin-top: 2px;
}

.form-error.visible {
  display: block;
}

.form-select {
  cursor: pointer;
  appearance: none;
  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='%239a9ab0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-select option {
  background: #1a1a2e;
  color: var(--text-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 90px;
}

/* ===== RADIO / CHECKBOX GROUPS ===== */
.radio-group,
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.radio-option,
.checkbox-option {
  position: relative;
  cursor: pointer;
}

.radio-option input,
.checkbox-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-option__label,
.checkbox-option__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
  user-select: none;
}

.radio-option input:checked+.radio-option__label,
.checkbox-option input:checked+.checkbox-option__label {
  background: rgba(245, 166, 35, 0.12);
  border-color: var(--accent);
  color: var(--accent);
}

.radio-option__label:hover,
.checkbox-option__label:hover {
  background: var(--bg-input-focus);
  border-color: rgba(255, 255, 255, 0.15);
}

/* ===== SKILLS GRID ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px;
}

/* ===== EXPERIENCE BLOCK ===== */
.experience-block {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 16px;
  position: relative;
  animation: fadeInUp 0.4s ease-out;
}

.experience-block__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.experience-block__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.btn-remove {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(239, 68, 68, 0.3);
  background: rgba(239, 68, 68, 0.08);
  color: var(--danger);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-remove:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--danger);
  transform: scale(1.1);
}

/* ===== BUTTONS ===== */
.btn-add {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-subtle);
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
}

.btn-add:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(245, 166, 35, 0.05);
}

.btn-add__icon {
  font-size: 1.2rem;
  line-height: 1;
}

/* ===== RGPD ===== */
.rgpd-section {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 20px;
}

.rgpd-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.rgpd-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.rgpd-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--accent);
  flex-shrink: 0;
  cursor: pointer;
}

.rgpd-label a {
  color: var(--accent);
  text-decoration: none;
}

.rgpd-label a:hover {
  text-decoration: underline;
}

/* ===== SUBMIT ===== */
.submit-section {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 10px 20px 80px;
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.btn-submit {
  width: 100%;
  padding: 16px 32px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  color: #fff;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 25px rgba(245, 166, 35, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 35px rgba(245, 166, 35, 0.4);
}

.btn-submit:active {
  transform: translateY(0);
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-submit::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition);
}

.btn-submit:hover::after {
  opacity: 1;
}

/* ===== SUCCESS OVERLAY ===== */
.success-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 23, 0.95);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.success-overlay--visible {
  display: flex;
}

.success-card {
  text-align: center;
  padding: 50px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  max-width: 460px;
  width: 90%;
  animation: scaleIn 0.5s ease-out;
}

.success-card__icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.12);
  border: 2px solid var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 40px;
  animation: bounceIn 0.6s ease-out 0.3s both;
}

.success-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.success-card__message {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 30px;
}

.btn-close-success {
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-input);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-close-success:hover {
  background: var(--bg-input-focus);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ===== LOADING SPINNER ON BUTTON ===== */
.btn-submit .spinner {
  display: none;
  width: 22px;
  height: 22px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}

.btn-submit.loading .spinner {
  display: block;
}

.btn-submit.loading .btn-text {
  display: none;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.85);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }

  50% {
    transform: scale(1.1);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .header {
    padding: 35px 16px 20px;
  }

  .header__title {
    font-size: 1.5rem;
  }

  .header__subtitle {
    font-size: 0.92rem;
  }

  .steps {
    padding: 10px 12px 30px;
    gap: 0;
  }

  .step__label {
    display: none;
  }

  .step__connector {
    width: 30px;
  }

  .container {
    padding: 0 12px 40px;
  }

  .section-card {
    padding: 24px 18px;
  }

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

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

  .experience-block {
    padding: 18px 14px;
  }

  .rgpd-section {
    padding: 0 12px 16px;
  }

  .rgpd-card {
    padding: 20px 18px;
  }

  .submit-section {
    padding: 10px 12px 60px;
  }
}

@media (max-width: 380px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}