:root {
  --bg: #fff;
  --text: #222;
  --muted: #555;
  --line: #e9e9ef;
  --brand: #0066cc;
  --brand-dark: #004a99;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1100px, 92vw); margin: 0 auto; padding: 1rem 0; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.header-flex { display: flex; align-items: center; gap: 1rem; padding: .9rem 0; }
.back { font-weight: 600; }
.page-title { font-size: clamp(1.4rem, 3.5vw, 2rem); margin-left: auto; }

/* Intro */
.intro { margin-bottom: 1rem; }
.intro .note { font-size: .9rem; color: #777; margin-top: .3rem; }

/* Form */
.form-section { border-top: 1px solid var(--line); padding-top: 1rem; }
.contact-form { display: flex; flex-direction: column; gap: .75rem; }
.contact-form label { font-weight: 600; }
.contact-form label span { color: red; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: .6rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 1rem;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--brand);
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.15);
}
.btn {
  background: var(--brand);
  color: #fff;
  padding: .75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover { background: var(--brand-dark); }

/* Alt Contact */
.alt-contact { border-top: 1px solid var(--line); margin-top: 2rem; padding-top: 1rem; }
.alt-contact h2 { margin-bottom: .5rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 1rem 0; margin-top: 2rem; text-align: center; }
.foot-links a { margin: 0 .5rem; }
.copy { font-size: .9rem; color: #777; }