:root {
  --green:       #1D9E75;
  --green-light: #E1F5EE;
  --green-dark:  #0F6E56;
  --text:        #111;
  --text-muted:  #666;
  --border:      rgba(0,0,0,0.12);
  --bg:          #fff;
  --bg-subtle:   #f7f7f5;
  --radius:      8px;
  --radius-lg:   12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text:       #f0f0ee;
    --text-muted: #999;
    --border:     rgba(255,255,255,0.12);
    --bg:         #1a1a1a;
    --bg-subtle:  #222;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
}

/* ── Navigation ── */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 0.5px solid var(--border);
  flex-wrap: wrap;
  gap: 10px;
}
.logo {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.3px;
}
.logo span { color: var(--green); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.nav-links a {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  margin-right: 1.2rem;
}
.lang-toggle {
  display: flex;
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.lang-btn {
  font-size: 12px;
  font-weight: 500;
  padding: 5px 11px;
  border: none;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
}
.lang-btn.active {
  background: var(--text);
  color: var(--bg);
}
.nav-cta {
  font-size: 13px;
  font-weight: 500;
  background: var(--text);
  color: var(--bg);
  padding: 6px 16px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.back-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 12px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: none;
}

/* ── Footer ── */
.footer {
  border-top: 0.5px solid var(--border);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-logo {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--text); }

/* ── Forms ── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto 10px;
  text-align: left;
}
.form-grid .full { grid-column: 1 / -1; }

.form-field { display: flex; flex-direction: column; gap: 4px; }
.form-field label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}
.form-field input,
.form-field textarea {
  padding: 9px 12px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  width: 100%;
  font-family: inherit;
}
.form-field textarea { height: 90px; resize: vertical; }

.consent-box {
  max-width: 480px;
  margin: 10px auto 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  text-align: left;
}
.consent-box input {
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--green);
}
.consent-box label {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  cursor: pointer;
}

.submit-btn {
  background: var(--text);
  color: var(--bg);
  border: none;
  padding: 11px 28px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  display: block;
}
.submit-btn:disabled { opacity: .5; cursor: not-allowed; }

.msg-box {
  display: none;
  max-width: 480px;
  margin: 10px auto 0;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
}
.msg-box.success {
  background: var(--green-light);
  border: 0.5px solid #5DCAA5;
  color: var(--green-dark);
}
.msg-box.error {
  background: #FCEBEB;
  border: 0.5px solid #E24B4A;
  color: #A32D2D;
}

/* ── Spinner ── */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Subpages ── */
.sub-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}
.sub-body h1 { font-size: 28px; font-weight: 500; margin-bottom: .4rem; }
.sub-date {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 0.5px solid var(--border);
}
.sub-body h2 { font-size: 16px; font-weight: 500; margin: 1.75rem 0 .4rem; }
.sub-body p  { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: .5rem; }
.sub-body ul { padding-left: 1.4rem; margin-bottom: .75rem; }
.sub-body li { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 2px; }
.info-box {
  background: var(--bg-subtle);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.info-box p { margin: 0; }

/* ── Responsive ── */
@media (max-width: 500px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .full { grid-column: 1; }
}