:root {
  color-scheme: light;
  --ink: #18201b;
  --muted: #5b665e;
  --line: #dce5dc;
  --paper: #f8faf6;
  --panel: #ffffff;
  --accent: #236a4b;
  --accent-dark: #16422f;
  --gold: #c9922d;
  --soft: #eef5ef;
  --page-margin: clamp(1.25rem, 5vw, 4.5rem);
  --content-max: 1180px;
  --form-max: 920px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  align-items: center;
  background: rgba(248, 250, 246, 0.94);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 var(--page-margin);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--accent-dark);
  font-size: 1.25rem;
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

nav a:hover,
nav a:focus {
  color: var(--accent-dark);
}

.hero {
  display: grid;
  gap: 3rem;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  min-height: calc(100vh - 72px);
  padding: 8vh var(--page-margin) 6vh;
}

.hero-copy {
  align-self: center;
  max-width: 780px;
}

.eyebrow {
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(3rem, 7vw, 6.4rem);
  line-height: 0.94;
  margin-bottom: 1.5rem;
  max-width: 900px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.15rem;
  line-height: 1.2;
  margin-bottom: 0.65rem;
}

.lede {
  color: var(--muted);
  font-size: 1.2rem;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  align-items: center;
  border-radius: 6px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 48px;
  padding: 0.78rem 1rem;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.secondary {
  border: 1px solid var(--accent);
  color: var(--accent-dark);
}

.button,
button {
  cursor: pointer;
}

.text-link {
  color: var(--accent-dark);
  display: inline-flex;
  font-weight: 900;
  margin-top: 1.25rem;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25rem;
}

.signal-panel {
  align-self: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(24, 32, 27, 0.08);
  padding: 1.5rem;
}

.signal-panel h2 {
  font-size: 1.4rem;
}

.signal-panel ul {
  color: var(--muted);
  margin: 0;
  padding-left: 1.2rem;
}

.signal-panel li + li {
  margin-top: 0.65rem;
}

.signal-panel p {
  color: var(--muted);
}

.section {
  padding: 5rem var(--page-margin);
  scroll-margin-top: 6rem;
}

.section-heading {
  max-width: 780px;
}

.section-intro {
  color: var(--muted);
  font-size: 1.08rem;
  margin-bottom: 2rem;
  max-width: 720px;
}

.two-column {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 1000px;
}

.two-column p,
.package-grid p,
.contact p,
footer {
  color: var(--muted);
}

.muted {
  background: var(--soft);
  border-block: 1px solid var(--line);
}

.package-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 2rem;
}

.package-grid article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 190px;
  padding: 1.25rem;
}

.contact {
  align-items: center;
  display: flex;
  gap: 2rem;
  justify-content: space-between;
}

.contact div {
  max-width: 660px;
}

footer {
  border-top: 1px solid var(--line);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1.4rem var(--page-margin);
}

.survey-hero {
  align-items: center;
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: minmax(0, 1fr) minmax(300px, 410px);
  margin-inline: auto;
  max-width: var(--content-max);
  padding: 6rem var(--page-margin) 4.5rem;
}

.survey-hero h1 {
  font-size: clamp(3.35rem, 6vw, 5.75rem);
  max-width: 820px;
}

.copy-status,
.field-note {
  color: var(--muted);
  font-size: 0.94rem;
  margin: 0.75rem 0 0;
}

.survey-form {
  display: grid;
  gap: 1.5rem;
  max-width: var(--form-max);
}

fieldset {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 1.2rem;
  margin: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  scroll-margin-top: 6rem;
}

legend {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-dark);
  font-size: 0.98rem;
  font-weight: 900;
  line-height: 1;
  padding: 0.5rem 0.8rem;
}

label {
  color: var(--ink);
  display: grid;
  gap: 0.5rem;
}

.form-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.full-span {
  grid-column: 1 / -1;
}

.label-text {
  display: block;
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1.25;
}

.label-hint {
  color: var(--muted);
  display: block;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.45;
  max-width: 760px;
}

input,
textarea {
  background: #fff;
  border: 1px solid #cbd8cd;
  border-radius: 6px;
  color: var(--ink);
  font: 500 1rem/1.45 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 54px;
  padding: 0.9rem 0.95rem;
  width: 100%;
}

textarea {
  min-height: 132px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(35, 106, 75, 0.16);
  outline: none;
}

.checkbox-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.checkbox-grid label {
  align-items: center;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: flex;
  font-weight: 800;
  gap: 0.7rem;
  line-height: 1.25;
  min-height: 56px;
  padding: 0.8rem 0.9rem;
}

.checkbox-grid input {
  accent-color: var(--accent);
  flex: 0 0 auto;
  height: 1.1rem;
  min-height: auto;
  width: 1.1rem;
}

.survey-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  padding-top: 0.25rem;
}

@media (max-width: 840px) {
  .site-header,
  .contact,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .survey-hero,
  .two-column,
  .package-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  nav {
    flex-wrap: wrap;
  }

  .survey-hero {
    padding-top: 3.5rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  :root {
    --page-margin: 1rem;
  }

  .site-header {
    min-height: auto;
    padding-block: 0.85rem;
  }

  .brand {
    font-size: 1.12rem;
  }

  nav {
    gap: 0.75rem;
  }

  nav a {
    font-size: 0.9rem;
  }

  h1 {
    font-size: 2.65rem;
    line-height: 0.98;
  }

  h2 {
    font-size: 2rem;
  }

  .lede,
  .section-intro {
    font-size: 1.02rem;
  }

  .survey-hero {
    gap: 1.5rem;
    padding-bottom: 3rem;
  }

  .survey-hero h1 {
    font-size: 2.85rem;
  }

  .section {
    padding-block: 3.5rem;
  }

  fieldset {
    padding: 1.1rem;
  }

  legend {
    max-width: calc(100vw - 3rem);
    white-space: normal;
  }

  .label-text {
    font-size: 1rem;
  }

  input,
  textarea {
    font-size: 1rem;
    min-height: 58px;
    padding: 0.95rem;
  }

  textarea {
    min-height: 148px;
  }

  .hero-actions,
  .survey-actions,
  .button {
    width: 100%;
  }

  .checkbox-grid {
    grid-template-columns: 1fr;
  }
}