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

html,
body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #121826;
  background: #f5f7fb;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: radial-gradient(circle at 20% 20%, #38bdf8, #2563eb);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 18px;
}

.logo-text {
  font-weight: 600;
  font-size: 18px;
  color: #0f172a;
}

.main-nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
}

.main-nav a {
  color: #0f172a;
  font-weight: 500;
  padding: 6px 0;
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #38bdf8, #2563eb);
  transition: width 0.2s ease;
}

.main-nav a:hover::after {
  width: 100%;
}

.site-main {
  padding: 32px 0 48px;
}

.hero {
  padding: 32px 0 24px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 32px;
  align-items: flex-start;
}

.hero-text h1 {
  font-size: 28px;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #0f172a;
}

.hero-text p {
  margin-bottom: 12px;
  color: #4b5563;
}

.hero-list {
  margin: 12px 0 20px;
  padding-left: 18px;
  color: #374151;
}

.hero-list li {
  margin-bottom: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 22px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #38bdf8, #2563eb);
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.35);
}

.btn-outline {
  background: #ffffff;
  color: #0f172a;
  border: 1px solid #e5e7eb;
}

.btn-outline:hover {
  background: #f3f4f6;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.hero-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 20px 18px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.progress-wrapper {
  margin-bottom: 14px;
}

.progress-label {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #111827;
}

.progress-bar {
  position: relative;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #e5e7eb, #e0f2fe);
  overflow: hidden;
}

.progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.25);
  transition: width 0.25s ease-out;
}

.progress-percentage {
  margin-top: 6px;
  font-size: 12px;
  color: #4b5563;
  font-weight: 500;
}

.hero-note {
  margin-top: 12px;
  font-size: 12px;
  color: #6b7280;
}

.survey-layout {
  max-width: 760px;
  margin: 0 auto;
}

.survey-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 24px 22px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.survey-header {
  margin-bottom: 16px;
}

.survey-step-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #6b7280;
  margin-bottom: 4px;
}

.survey-question {
  font-size: 20px;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 10px;
}

.survey-description {
  font-size: 14px;
  color: #4b5563;
}

.survey-body {
  margin-top: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: #111827;
}

.form-control,
.form-textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid #d1d5db;
  padding: 10px 11px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  background: #f9fafb;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.form-control:focus,
.form-textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.25);
  background: #ffffff;
}

.form-textarea {
  min-height: 90px;
  resize: vertical;
}

.survey-footer {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.survey-actions {
  display: flex;
  gap: 8px;
}

.survey-hint {
  font-size: 12px;
  color: #6b7280;
}

.site-footer {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
  padding: 24px 0 16px;
  margin-top: 16px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr;
  gap: 24px;
  font-size: 13px;
}

.footer-col h3 {
  font-size: 14px;
  margin-bottom: 8px;
  color: #111827;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 4px;
}

.footer-col a {
  color: #4b5563;
}

.footer-col a:hover {
  color: #111827;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed #e5e7eb;
  font-size: 12px;
  color: #6b7280;
}

.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  max-width: 640px;
  margin: 0 auto;
  background: #0f172a;
  color: #e5e7eb;
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.7);
  padding: 14px 16px;
  font-size: 13px;
  transform: translateY(140%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease-out, opacity 0.28s ease-out;
  z-index: 60;
}

.cookie-banner.visible {
  transform: translateY(0%);
  opacity: 1;
  pointer-events: auto;
}

.cookie-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.cookie-banner p {
  color: #e5e7eb;
}

.cookie-banner a {
  color: #38bdf8;
}

.cookie-actions {
  display: flex;
  gap: 8px;
}

.page-section {
  padding: 16px 0;
}

.page-section h1 {
  font-size: 24px;
  margin-bottom: 12px;
  color: #0f172a;
}

.page-section h2 {
  font-size: 18px;
  margin-top: 18px;
  margin-bottom: 6px;
  color: #111827;
}

.page-section p,
.page-section li {
  font-size: 14px;
  color: #4b5563;
}

.page-section ul {
  margin-left: 18px;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .main-nav {
    gap: 12px;
    font-size: 13px;
  }

  .hero-text h1 {
    font-size: 22px;
  }

  .survey-card {
    padding: 18px 16px;
  }

  .cookie-banner-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-actions {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
  }
}