:root { --r: 14px; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial; background: #f6f7fb; color: #111; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 18px; }
.muted { color: #5b5f6e; }
.footer { padding: 24px 0; }

.topbar { position: sticky; top: 0; background: #fff; border-bottom: 1px solid #e8e8ef; z-index: 10; }
.topbar__row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { font-weight: 900; }
.brand__link { padding: 10px 0; display: inline-block; }
.topbar__nav { display: flex; gap: 14px; }
.topbar__nav a { padding: 10px; border-radius: 10px; }
.topbar__nav a:hover { background: #f1f2f7; }
.topbar__nav .active { background: #f1f2f7; font-weight: 700; }

.btn { padding: 12px 14px; border-radius: 12px; border: 1px solid #111; background: #111; color: #fff; cursor: pointer; display: inline-block; text-align: center; font-size: 14px; }
.btn:hover { opacity: .92; }
.btn--ghost { background: #fff; color: #111; border-color: #e2e3ee; }
.btn--ghost:hover { background: #f1f2f7; opacity: 1; }

.hero { background: #fff; border: 1px solid #e8e8ef; border-radius: var(--r); padding: 18px; box-shadow: 0 6px 20px rgba(0,0,0,.04); margin-top: 12px; }
h1 { margin: 0 0 8px; font-size: 32px; line-height: 1.1; }

.section { margin-top: 22px; }
.section__head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }

.service { background: #fff; border: 1px solid #e8e8ef; border-radius: var(--r); padding: 14px; box-shadow: 0 6px 18px rgba(0,0,0,.04); }
.service__t { font-weight: 700; margin-bottom: 6px; }

.control { width: 100%; padding: 12px; border-radius: 12px; border: 1px solid #e2e3ee; background: #fff; font-size: 14px; }
.textarea { min-height: 92px; resize: vertical; }

.form { background: #fff; border: 1px solid #e8e8ef; border-radius: var(--r); padding: 14px; box-shadow: 0 6px 18px rgba(0,0,0,.04); display: flex; flex-direction: column; gap: 10px; margin-top: 12px; max-width: 560px; }

@media (max-width: 768px) {
  .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  h1 { font-size: 26px; }
  .grid { grid-template-columns: 1fr; }
}