:root {
  --green: #6b8e23;
  --green-dark: #556b2f;
  --bg: #f5f7f0;
  --card: #ffffff;
  --text: #2c3318;
  --muted: #6a7355;
  --border: #d5ddc0;
  --err: #b33a3a;
  --radius: 6px;
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg) url("img/background.jpg") no-repeat center top fixed;
  background-size: cover;
  min-height: 100vh;
}

.page {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.header {
  text-align: center;
  margin-bottom: 16px;
}

.logo {
  height: auto;
  max-width: 200px;
}

.main {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 28px 32px;
  box-shadow: 0 8px 24px rgba(40, 50, 20, 0.08);
}

.progressbar {
  margin: 0 0 20px;
}

.progressbar-outer {
  position: relative;
  height: 10px;
  background: #e8edd8;
  border-radius: 5px;
  margin: 18px 12px 28px;
}

.progressbar-inner {
  height: 100%;
  background: var(--green);
  border-radius: 5px;
  transition: width 0.2s ease;
}

.progressbar-page {
  position: absolute;
  top: 50%;
  width: 22px;
  height: 22px;
  margin: -11px 0 0 -11px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--green-dark);
}

.progressbar-page.current,
.progressbar-page.done {
  background: var(--green);
  color: #fff;
}

.progressbar-number {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: -8px;
}

.lang-links {
  list-style: none;
  padding: 16px 0 0;
  margin: 16px 0 0;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
}

.lang-links a { color: var(--green-dark); }

.comments-field { margin-top: 20px; }

.logo-link { display: inline-block; }

h1 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 16px;
  color: var(--green-dark);
}

h2.grid-title {
  font-size: 1.05rem;
  margin: 0 0 12px;
}

.intro {
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 24px;
  color: var(--text);
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.field input[type="text"],
.field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  background: #fafbf7;
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--green);
  outline-offset: 1px;
  background: #fff;
}

.has-error input,
.has-error textarea,
.row-error {
  border-color: var(--err);
}

.err {
  display: block;
  color: var(--err);
  font-size: 0.8rem;
  margin-top: 4px;
  font-weight: 400;
}

.actions {
  margin-top: 24px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.actions.split {
  justify-content: space-between;
}

.btn {
  appearance: none;
  border: none;
  background: var(--green);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius);
  cursor: pointer;
}

.btn:hover { background: var(--green-dark); }

.btn-sec {
  background: #e8edd8;
  color: var(--green-dark);
}

.btn-sec:hover { background: #d5ddc0; }

.grid-wrap {
  overflow-x: auto;
  margin: 0 -8px;
  padding: 0 8px;
}

.rating-grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 640px;
}

.rating-grid th,
.rating-grid td {
  border: 1px solid var(--border);
  padding: 8px 6px;
  vertical-align: middle;
  text-align: center;
}

.rating-grid thead th {
  background: #eef3e0;
  font-weight: 600;
  font-size: 0.72rem;
  line-height: 1.25;
  color: var(--green-dark);
}

.rating-grid .s-num {
  display: block;
  font-size: 1rem;
  margin-bottom: 2px;
}

.rating-grid .s-label {
  display: block;
  font-weight: 500;
}

.rating-grid tbody th.q-col {
  text-align: left;
  font-weight: 500;
  width: 38%;
  background: #fafbf7;
}

.q-num {
  color: var(--green);
  font-weight: 700;
  margin-right: 4px;
}

.radio {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  width: 100%;
  min-height: 36px;
}

.radio input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio .dot {
  width: 18px;
  height: 18px;
  border: 2px solid var(--green);
  border-radius: 50%;
  display: inline-block;
  position: relative;
}

.radio input:checked + .dot::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--green);
  border-radius: 50%;
}

.radio input:focus-visible + .dot {
  outline: 2px solid var(--green-dark);
  outline-offset: 2px;
}

.thanks {
  text-align: center;
  padding: 32px 8px;
  font-size: 1.15rem;
  color: var(--green-dark);
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 20px;
}

@media (max-width: 640px) {
  .main { padding: 18px 14px 24px; }
  h1 { font-size: 1.15rem; }
  .rating-grid thead .s-label { display: none; }
}