:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
  --accent: #000000;
  --border: #eaeaea;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.06);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
}
.wrap { width: min(100%, 1100px); margin: 0 auto; padding: 0 20px; }
.header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; border-bottom: 1px solid var(--border);
}
.brand img { height: 28px; display: block; }
@media (min-width: 768px) { .brand img { height: 34px; } }
.nav a { margin-left: 18px; color: var(--fg); text-decoration: none; }
.nav a:hover { text-decoration: underline; }
.hero { padding: 64px 0 40px; }
h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.1; margin: 0 0 14px; }
.lead { color: var(--muted); margin: 0 0 24px; }
.cta { display: flex; gap: 12px; }
.btn {
  border: 1px solid var(--fg);
  background: var(--fg);
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}
.btn.ghost { background: transparent; color: var(--fg); }
.btn.full { width: 100%; }
.services { padding: 40px 0 20px; }
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  list-style: none; padding: 0; margin: 0;
}
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  background: #fff;
}
.work { padding: 20px 0 60px; }
.footer { padding: 24px 0; border-top: 1px solid var(--border); color: var(--muted); }

/* FAB */
.fab {
  position: fixed;
  right: 18px; bottom: 18px;
  width: 54px; height: 54px;
  border-radius: 50%;
  border: 1px solid var(--fg);
  background: var(--fg); color: #fff;
  font-size: 20px;
  box-shadow: var(--shadow);
  cursor: pointer;
}

/* Modal */
.modal { display: none; }
.modal.open { display: block; }
.modal__backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.4);
}
.modal__dialog {
  position: fixed; inset: 0;
  margin: auto; top: 10vh;
  width: min(92%, 520px);
  background: #fff; border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow);
}
.modal__close {
  position: absolute; right: 12px; top: 8px;
  border: none; background: transparent; font-size: 26px; cursor: pointer;
}

form { display: grid; gap: 12px; margin-top: 12px; }
input, textarea {
  width: 100%; padding: 12px 14px;
  border-radius: 10px; border: 1px solid var(--border);
  font: inherit;
}
label { display: grid; gap: 6px; font-weight: 600; }
.flash { margin: 8px 0; }
.flash__item { padding: 10px 12px; border-radius: 10px; }
.flash__item.success { background: #e6ffef; }
.flash__item.error { background: #ffe6e6; }
.privacy { color: var(--muted); font-size: .9rem; margin-top: 10px; }