:root {
  --ink: #1a2b3b;
  --muted: #51657d;
  --line: #d8e3ef;
  --paper: #ffffff;
  --accent: #0067d6;
  --accent-2: #2b8fff;
  --ok: #10774a;
  --radius: 16px;
  --shadow: 0 14px 32px rgba(20, 38, 58, 0.09);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Manrope", "Segoe UI", sans-serif;
  background: radial-gradient(900px 480px at -5% -8%, #dceeff 0%, transparent 58%), linear-gradient(160deg, #f6f8fc, #ecf4ff 44%, #fff5e9);
  line-height: 1.55;
}
.shell { width: min(1120px, calc(100% - 28px)); margin: 0 auto; padding: 24px 0 56px; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  padding: 12px 14px;
  margin-bottom: 14px;
}
.brand { font-weight: 800; letter-spacing: .2px; color: var(--ink); text-decoration: none; }
.menu { display: flex; gap: 8px; flex-wrap: wrap; }
.menu a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
}
.hero {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 12px;
}
h1 { margin: 0 0 10px; font-family: "Literata", Georgia, serif; font-size: clamp(33px, 5vw, 58px); line-height: 1.06; }
.lead { margin: 0; color: var(--muted); max-width: 74ch; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 11px 15px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  font: inherit;
}
.btn.primary { color: #fff; background: linear-gradient(130deg, var(--accent), var(--accent-2)); box-shadow: 0 10px 20px rgba(0, 103, 214, 0.22); }
.btn.secondary { color: var(--ink); background: #fff; border-color: var(--line); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
.card { border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 12px; }
.card b { display: block; margin-bottom: 6px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.section { border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, 0.9); box-shadow: var(--shadow); padding: 18px; margin-top: 12px; }
h2 { margin: 0 0 10px; font-family: "Literata", Georgia, serif; font-size: 30px; }
ul.list { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
ul.list li { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 10px 12px; color: var(--muted); }
ul.list li:before { content: "✓"; color: var(--ok); font-weight: 700; margin-right: 8px; }
details { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 10px 12px; margin-bottom: 8px; }
summary { cursor: pointer; font-weight: 700; }
.lead-box { border: 1px solid #cfe1fb; border-radius: 12px; background: linear-gradient(135deg, #f2f8ff, #fff2e5); padding: 12px; }
.lead-form { margin-top: 10px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.field { display: grid; gap: 6px; }
.wide { grid-column: 1 / -1; }
.field label { color: var(--muted); font-size: 13px; font-weight: 600; }
.input, .select, .textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); font: inherit; padding: 10px 12px; outline: none; }
.textarea { min-height: 90px; resize: vertical; }
.form-foot { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.form-note { color: var(--muted); font-size: 13px; }
.form-alert { grid-column: 1 / -1; display: none; border-radius: 10px; padding: 10px 12px; font-size: 14px; }
.form-alert.ok { display: block; background: #e9f9f0; border: 1px solid #bfe9d1; color: #0b6d42; }
.form-alert.err { display: block; background: #fff0f0; border: 1px solid #f2cdcd; color: #9b2c2c; }
.footer { margin-top: 14px; color: var(--muted); font-size: 13px; text-align: center; }
.footer a { color: inherit; }

.chat-launcher {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;
  border: 0;
  border-radius: 999px;
  padding: 12px 16px;
  color: #fff;
  font: inherit;
  font-weight: 700;
  background: linear-gradient(130deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 26px rgba(0, 103, 214, 0.33);
  cursor: pointer;
}
.chat-panel {
  position: fixed;
  right: 18px;
  bottom: 72px;
  z-index: 9999;
  width: min(360px, calc(100% - 24px));
  height: 520px;
  border-radius: 14px;
  border: 1px solid #cfe1fb;
  box-shadow: 0 22px 44px rgba(16, 35, 56, 0.23);
  background: #fff;
  display: none;
  overflow: hidden;
}
.chat-panel.open { display: grid; grid-template-rows: auto 1fr auto; }
.chat-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  background: #f5f9ff;
}
.chat-head b { font-size: 15px; }
.chat-state {
  font-size: 12px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.chat-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #98a9bd;
}
.chat-dot.online { background: #13a35e; }
.chat-close {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 5px 8px;
  font-size: 12px;
  cursor: pointer;
}
.chat-body {
  padding: 10px;
  overflow: auto;
  background: #fbfdff;
  display: grid;
  gap: 8px;
  align-content: start;
}
.chat-msg {
  max-width: 88%;
  border-radius: 10px;
  padding: 9px 10px;
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid #dce7f4;
  background: #fff;
}
.chat-msg.operator { justify-self: start; background: #fff; }
.chat-msg.visitor { justify-self: end; background: #eaf4ff; border-color: #cfe2ff; }
.chat-msg.system { justify-self: start; background: #fff5e8; border-color: #f5debd; }
.chat-form {
  border-top: 1px solid var(--line);
  padding: 10px;
  display: grid;
  gap: 8px;
  background: #fff;
}
.chat-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 10px;
  min-height: 72px;
  resize: vertical;
  font: inherit;
  color: var(--ink);
  outline: none;
}
.chat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.chat-note {
  font-size: 12px;
  color: var(--muted);
}
.chat-send {
  border: 0;
  border-radius: 9px;
  padding: 9px 12px;
  color: #fff;
  font: inherit;
  font-weight: 700;
  background: linear-gradient(130deg, var(--accent), var(--accent-2));
  cursor: pointer;
}
.chat-alert {
  display: none;
  font-size: 12px;
  border-radius: 8px;
  padding: 8px;
}
.chat-alert.err {
  display: block;
  color: #9b2c2c;
  border: 1px solid #f0c6c6;
  background: #fff1f1;
}
.chat-alert.ok {
  display: block;
  color: #0b6d42;
  border: 1px solid #bfe9d1;
  background: #ebfaef;
}
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .lead-form { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .shell { width: calc(100% - 18px); padding-top: 12px; }
  .hero, .section { padding: 14px; }
  .btn { width: 100%; }
  .menu { display: none; }
}