:root {
  --background-color: #0a0a0a;
  --background-soft: #141414;
  --card-background: rgba(255, 255, 255, 0.03);
  --panel-background: rgba(255, 255, 255, 0.04);
  --border-color: rgba(255, 255, 255, 0.1);
  --input-background: rgba(0, 0, 0, 0.5);
  --text-color: #e0e0e0;
  --secondary-color: #cccccc;
  --text-secondary: #cccccc;
  --muted-color: #8d8d8d;
  --primary-color: #fbbf24;
  --primary-color-strong: #f59e0b;
  --success-color: #22c55e;
  --success-color-strong: #16a34a;
  --error-color: #ef4444;
  --error-color-strong: #dc2626;
  --preset-color: rgba(255, 255, 255, 0.06);
  --shadow-color: rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
}

body.contact-page {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(251, 191, 36, 0.08), transparent 34%),
    linear-gradient(180deg, #0a0a0a 0%, #050505 100%);
  color: var(--text-color);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#site-header {
  width: 100%;
  min-height: 56px;
}

.contact-shell {
  padding: 96px 20px 48px;
}

.contact-container {
  width: min(920px, 100%);
  margin: 0 auto;
}

.contact-hero {
  text-align: center;
  margin-bottom: 52px;
}

.page-title {
  margin: 0 0 20px;
  color: var(--primary-color);
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
}

.page-subtitle {
  margin: 0 auto;
  max-width: 660px;
  color: #999999;
  font-size: 18px;
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.02em;
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
}

.content-section {
  margin-bottom: 50px;
  padding: 30px 32px;
  border: 1px solid var(--border-color);
  border-radius: 22px;
  background: var(--card-background);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
}

.content-section h2 {
  margin: 0 0 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(251, 191, 36, 0.3);
  color: #ffffff;
  font-size: 28px;
  font-weight: 600;
}

.content-section h3 {
  margin: 30px 0 15px;
  color: var(--primary-color);
  font-size: 22px;
  font-weight: 600;
}

.content-section h3:first-of-type {
  margin-top: 20px;
}

.content-section p,
.content-section li {
  margin: 0 0 16px;
  color: var(--secondary-color);
  font-size: 16px;
  line-height: 1.8;
}

.content-section strong {
  color: var(--primary-color);
  font-weight: 600;
}

.content-section ul {
  margin: 20px 0 20px 26px;
  padding: 0;
}

.content-section li {
  margin-bottom: 12px;
}

.content-section a,
.form-note a,
.info-box a,
.form-error a {
  color: var(--primary-color);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.content-section a:hover,
.form-note a:hover,
.info-box a:hover,
.form-error a:hover {
  color: var(--primary-color-strong);
  border-bottom-color: var(--primary-color-strong);
}

.info-box {
  margin: 30px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--primary-color);
  border-radius: 4px;
  background: rgba(251, 191, 36, 0.1);
}

.info-box p {
  margin: 0 0 12px;
  color: var(--text-color);
  line-height: 1.9;
}

.info-box p:last-child {
  margin-bottom: 0;
}

.info-box strong {
  display: inline-block;
  min-width: 180px;
}

.contact-form {
  margin: 30px 0;
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.contact-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--primary-color);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  background: var(--input-background);
  color: #ffffff;
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #666666;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: rgba(0, 0, 0, 0.7);
  box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
  line-height: 1.6;
}

.form-group 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 12 12'%3E%3Cpath fill='%23fbbf24' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
}

.form-group select option {
  background: #1a1a1a;
  color: #ffffff;
}

.submit-btn,
.reset-btn,
.retry-btn {
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  display: inline-flex;
  justify-content: center;
}

.submit-btn {
  width: 100%;
  padding: 14px 40px;
  border: none;
  border-radius: 8px;
  background: var(--primary-color);
  color: #000000;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  position: relative;
  text-transform: uppercase;
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.submit-btn:hover {
  background: var(--primary-color-strong);
  box-shadow: 0 10px 30px rgba(251, 191, 36, 0.3);
  transform: translateY(-2px);
}

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

.submit-btn:disabled {
  background: #666666;
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.btn-loader {
  display: none;
}

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

.submit-btn.loading .btn-loader {
  display: inline;
}

.form-note {
  margin-top: 15px;
  color: #999999;
  font-size: 13px;
  font-style: italic;
  line-height: 1.6;
}

.contact-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-success,
.form-error {
  margin: 30px 0;
  padding: 40px;
  border-radius: 12px;
  text-align: center;
}

.form-success {
  border: 2px solid var(--success-color);
  background: rgba(34, 197, 94, 0.1);
}

.form-error {
  border: 2px solid var(--error-color);
  background: rgba(239, 68, 68, 0.1);
}

.success-icon,
.error-icon {
  width: 60px;
  height: 60px;
  align-items: center;
  border-radius: 50%;
  color: #ffffff;
  display: flex;
  font-size: 32px;
  justify-content: center;
  margin: 0 auto 20px;
}

.success-icon {
  background: var(--success-color);
}

.error-icon {
  background: var(--error-color);
}

.form-success h3,
.form-error h3 {
  margin: 0 0 12px;
  font-size: 24px;
}

.form-success h3 {
  color: var(--success-color);
}

.form-error h3 {
  color: var(--error-color);
}

.form-success p,
.form-error p {
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.error-copy {
  margin-bottom: 12px;
}

.reset-btn,
.retry-btn {
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 12px 30px;
  text-transform: uppercase;
  transition: transform 0.25s ease, background 0.25s ease;
}

.reset-btn {
  background: var(--success-color);
  color: #ffffff;
}

.reset-btn:hover {
  background: var(--success-color-strong);
  transform: translateY(-2px);
}

.retry-btn {
  background: var(--error-color);
  color: #ffffff;
}

.retry-btn:hover {
  background: var(--error-color-strong);
  transform: translateY(-2px);
}

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown),
.form-group input[aria-invalid="true"],
.form-group select[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
  border-color: var(--error-color);
}

.form-group input:valid:not(:placeholder-shown),
.form-group select:valid,
.form-group textarea:valid:not(:placeholder-shown) {
  border-color: var(--success-color);
}

.last-updated {
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #666666;
  font-size: 14px;
  font-style: italic;
  text-align: center;
}

@media (max-width: 1023px) {
  .contact-container {
    width: min(720px, 100%);
  }
}

@media (max-width: 768px) {
  .contact-shell {
    padding: 80px 16px 40px;
  }

  .page-title {
    font-size: 32px;
  }

  .page-subtitle {
    font-size: 16px;
    margin-bottom: 40px;
  }

  .content-section {
    margin-bottom: 40px;
    padding: 24px 20px;
  }

  .content-section h2 {
    font-size: 24px;
  }

  .content-section h3 {
    font-size: 20px;
    margin: 25px 0 12px;
  }

  .content-section ul {
    margin-left: 20px;
  }

  .info-box {
    padding: 16px 18px;
  }

  .info-box strong {
    display: block;
    min-width: auto;
    margin-bottom: 4px;
  }

  .contact-form {
    padding: 25px 20px;
  }

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

  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px;
  }

  .submit-btn {
    padding: 14px 30px;
    font-size: 15px;
  }

  .form-success,
  .form-error {
    padding: 30px 20px;
  }

  .success-icon,
  .error-icon {
    width: 50px;
    height: 50px;
    font-size: 28px;
  }

  .last-updated {
    margin-top: 40px;
    padding-top: 20px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  body.contact-page {
    font-size: 15px;
  }

  .page-title {
    font-size: 28px;
  }

  .page-subtitle {
    font-size: 15px;
  }

  .content-section h2 {
    font-size: 22px;
  }

  .content-section h3 {
    font-size: 19px;
  }

  .content-section p,
  .content-section li {
    font-size: 15px;
  }
}