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

:root {
  --radius: 14px;
  --text: #0f172a;
  --muted: #475569;
  --bg1: #f8fafc;
  --bg2: #ffffff;
  --card: rgba(255, 255, 255, 0.92);
  --border: rgba(15, 23, 42, 0.10);
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg1), var(--bg2));
}

.contact-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.contact-wrapper {
  width: 100%;
  max-width: 560px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 10px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(15, 23, 42, 0.03);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  transition: transform 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}

.back-link:hover {
  background: rgba(15, 23, 42, 0.06);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.10);
}

.contact-title {
  margin: 14px 0 0;
  font-size: 30px;
  line-height: 1.1;
}

.contact-text {
  margin: 8px 0 14px;
  font-size: 15px;
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 8px;
}

.contact-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.contact-input,
.contact-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 10px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.contact-input:focus,
.contact-textarea:focus {
  outline: none;
  border-color: rgba(15, 23, 42, 0.28);
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.10);
}

.contact-textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-submit {
  min-height: 44px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.03);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.contact-submit:hover {
  background: rgba(15, 23, 42, 0.06);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.10);
}

.contact-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.contact-status {
  min-height: 20px;
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.contact-status.is-success {
  color: #166534;
}

.contact-status.is-error {
  color: #b91c1c;
}

.contact-mailto {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 8px;
  padding: 0 14px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.03);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.contact-mailto:hover {
  background: rgba(15, 23, 42, 0.06);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.10);
}

@media (max-width: 480px) {
  .contact-page {
    padding: 10px;
  }

  .contact-wrapper {
    padding: 12px;
    border-radius: 14px;
  }

  .contact-title {
    font-size: 26px;
  }

  .contact-text {
    margin-bottom: 12px;
    font-size: 14px;
  }

  .contact-mailto {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .back-link,
  .contact-submit,
  .contact-mailto {
    transition: none;
  }

  .back-link:hover,
  .contact-submit:hover,
  .contact-mailto:hover {
    transform: none;
  }
}

a:active,
button:active {
  background: inherit;
}