:root {
  color-scheme: light;
  --ink: #10212b;
  --muted: #53626c;
  --panel: #ffffff;
  --line: #d9e3e8;
  --wash: #edf5f3;
  --deep: #12302f;
  --accent: #ff8a2a;
  --accent-dark: #a94f11;
  --blue: #1768ac;
  --green: #1f7a4d;
  --shadow: 0 18px 48px rgba(16, 33, 43, 0.13);
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f7faf9;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

a {
  color: var(--blue);
  font-weight: 700;
}

.page-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 18px;
}

.hero {
  min-height: 360px;
  display: flex;
  align-items: end;
  padding: 42px 22px;
  color: #ffffff;
  background:
    linear-gradient(90deg, rgba(18, 48, 47, 0.92), rgba(18, 48, 47, 0.48)),
    url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1600&q=80") center/cover;
}

.hero-copy {
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(38px, 7vw, 76px);
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
}

.lede {
  max-width: 660px;
  margin: 18px 0 0;
  color: #edf7f6;
  font-size: 21px;
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(330px, 0.96fr);
  gap: 22px;
  align-items: start;
  margin-top: 22px;
}

.calculator-panel,
.results-panel,
.gear-card,
.internal-links {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.calculator-panel,
.results-panel,
.internal-links {
  padding: 22px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field-group,
.choice-field {
  margin: 0 0 18px;
}

label,
legend {
  display: block;
  margin-bottom: 8px;
  color: var(--deep);
  font-weight: 800;
}

input,
select {
  width: 100%;
  min-height: 54px;
  border: 2px solid #bccbd2;
  border-radius: 6px;
  padding: 12px 14px;
  background: #ffffff;
  color: var(--ink);
  font-size: 18px;
}

input:focus,
select:focus,
a:focus {
  outline: 3px solid rgba(255, 138, 42, 0.42);
  outline-offset: 2px;
}

.choice-field {
  border: 0;
  padding: 0;
}

.choice-field label {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 12px;
  border: 2px solid #bccbd2;
  border-radius: 6px;
  background: #ffffff;
}

.choice-field label + label {
  margin-top: 10px;
}

.choice-field input {
  width: 22px;
  min-height: 22px;
}

.results-panel {
  position: sticky;
  top: 18px;
  background: var(--deep);
  color: #ffffff;
}

.result-list {
  display: grid;
  gap: 12px;
}

.result-list div {
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}

.result-list span {
  display: block;
  color: #cde1dd;
  font-size: 16px;
}

.result-list strong {
  display: block;
  margin-top: 3px;
  font-size: 22px;
  line-height: 1.2;
}

.safer-setup {
  border-color: rgba(255, 138, 42, 0.75) !important;
  background: rgba(255, 138, 42, 0.16) !important;
}

.message-stack {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.message {
  padding: 12px 14px;
  border-left: 4px solid var(--accent);
  background: rgba(255, 255, 255, 0.1);
  color: #f3fbf9;
}

.gear-section {
  margin-top: 44px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 18px;
}

.gear-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.gear-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 20px;
}

.gear-card h3 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.18;
}

.gear-card ul {
  margin: 0 0 18px;
  padding-left: 22px;
  color: var(--muted);
}

.gear-actions {
  display: grid;
  gap: 10px;
  margin-top: auto;
}

.cta-link {
  display: block;
  min-height: 52px;
  padding: 13px 16px;
  border-radius: 6px;
  background: var(--blue);
  color: #ffffff;
  text-align: center;
  text-decoration: none;
}

.cta-link.secondary {
  background: var(--green);
}

.cta-link.tertiary {
  background: var(--accent-dark);
}

.internal-links {
  margin-top: 44px;
}

.internal-links h2 {
  margin-bottom: 18px;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.link-grid a {
  display: block;
  min-height: 52px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--wash);
  text-decoration: none;
}

@media (max-width: 860px) {
  .page-shell {
    padding: 0 0 18px;
  }

  .hero {
    min-height: 430px;
    padding: 32px 18px;
  }

  .tool-layout,
  .gear-section,
  .internal-links {
    margin-left: 14px;
    margin-right: 14px;
  }

  .tool-layout,
  .gear-grid,
  .link-grid,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .results-panel {
    position: static;
  }
}