/* ── Contact page ── */

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #4a4a68;
  --color-teal: #007d7e;
  --color-teal-dark: #005f60;
  --color-purple: #2e1f5e;
  --color-surface: #f7f7fa;
  --color-border: #e4e4ec;
  --color-error: #d32f2f;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, sans-serif;
  --container-narrow: 580px;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --radius: 8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 var(--space-md); }
.container--narrow { max-width: var(--container-narrow); }

/* header */
.contact-header {
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--color-surface);
}

.contact-back {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--color-teal);
  text-decoration: none;
  margin-bottom: var(--space-sm);
}
.contact-back:hover { text-decoration: underline; }

.contact-header__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--color-purple);
  letter-spacing: -0.02em;
  margin-bottom: 0.3em;
}

.contact-header__intro {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

/* form */
.contact-form-section {
  padding: var(--space-lg) 0 var(--space-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-purple);
  margin-bottom: 0.35rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color 0.15s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(0, 125, 126, 0.1);
}

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

.form-field--error input,
.form-field--error textarea {
  border-color: var(--color-error);
}

.form-errors {
  list-style: none;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-error);
}

/* buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 100px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn--primary {
  background: var(--color-teal);
  color: #fff;
  border-color: var(--color-teal);
}
.btn--primary:hover {
  background: var(--color-teal-dark);
  border-color: var(--color-teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 125, 126, 0.3);
}
.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

/* success */
.contact-success {
  text-align: center;
  padding: var(--space-lg) 0;
  color: var(--color-teal);
}
.contact-success svg {
  margin-bottom: var(--space-sm);
}
.contact-success p {
  font-size: 1.25rem;
  color: var(--color-text);
}

/* footer */
.site-footer {
  padding: var(--space-md) 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 600px) {
  .contact-header { padding: var(--space-lg) 0 var(--space-md); }
}