:root {
  --uon-black: #050505;
  --uon-blue: #0077c8;
  --uon-blue-dark: #005b96;
  --white: #ffffff;
  --paper: #f7f8fa;
  --ink: #171a1d;
  --muted: #5f6871;
  --line: #dfe4e8;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family:
    Arial, Helvetica, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

body,
button,
input,
select {
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  width: 100%;
}

.skip-link {
  background: var(--uon-blue);
  color: var(--white);
  font-weight: 700;
  left: 16px;
  padding: 10px 12px;
  position: absolute;
  top: -60px;
  z-index: 100;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  align-items: center;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  align-items: center;
  display: inline-flex;
}

.brand-logo {
  height: auto;
  max-width: min(56vw, 260px);
  width: 260px;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 34px;
  font-size: 0.96rem;
  font-weight: 800;
}

.nav-links a {
  color: var(--ink);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--uon-blue);
}

.hero {
  background: var(--uon-black);
  color: var(--white);
  display: grid;
  overflow: hidden;
}

.hero-bg {
  grid-area: 1 / 1;
  height: min(680px, calc(100vh - 76px));
  min-height: 560px;
  object-fit: cover;
  object-position: center;
  opacity: 0.58;
  width: 100%;
}

.hero-inner {
  align-self: center;
  grid-area: 1 / 1;
  justify-self: center;
  margin: 0 auto;
  max-width: var(--max);
  padding: 96px 24px;
  position: relative;
  text-align: center;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(3.4rem, 7vw, 6.8rem);
  letter-spacing: 0;
  line-height: 0.92;
  margin: 0 auto;
  max-width: 980px;
}

.hero p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.2rem;
  margin: 28px auto 0;
  max-width: 660px;
}

.hero-actions {
  justify-content: center;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  align-items: center;
  border: 2px solid currentColor;
  display: inline-flex;
  font: inherit;
  font-weight: 800;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
}

.button.primary {
  background: var(--uon-blue);
  border-color: var(--uon-blue);
  color: var(--white);
}

.button.secondary {
  color: var(--white);
}

.button:hover,
.button:focus-visible {
  background: var(--uon-blue-dark);
  border-color: var(--uon-blue-dark);
  color: var(--white);
}

.section,
.quote-section,
.site-footer {
  margin: 0 auto;
  max-width: var(--max);
  padding: 96px 24px;
}

.section-heading {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(140px, 0.25fr) 1fr;
  padding-top: 30px;
}

.section-heading:has(.section-kicker:only-child) {
  display: block;
}

.section-kicker,
.product-type,
.estimate span {
  color: var(--uon-blue-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h2 {
  font-size: clamp(2.25rem, 4vw, 4.4rem);
  letter-spacing: 0;
  line-height: 0.98;
  margin-bottom: 0;
}

h3 {
  font-size: clamp(1.8rem, 2.5vw, 2.7rem);
  letter-spacing: 0;
  line-height: 1;
  margin: 10px 0 18px;
}

.product-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 46px;
}

.product-card {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 28px;
  grid-template-rows: auto 1fr;
  padding-top: 22px;
}

.product-card figure {
  align-items: center;
  aspect-ratio: 4 / 3;
  background: var(--paper);
  display: flex;
  margin: 0;
  overflow: hidden;
}

.product-card img {
  height: 100%;
  object-fit: contain;
  padding: 24px;
}

.product-copy {
  max-width: 520px;
}

.product-copy p,
.quote-intro p,
.site-footer p {
  color: var(--muted);
}

.product-copy a {
  border-bottom: 2px solid var(--uon-blue);
  color: var(--uon-blue-dark);
  font-weight: 800;
}

.rates {
  padding-top: 34px;
}

.rate-list {
  border-top: 1px solid var(--line);
  margin-top: 44px;
}

.rate-row {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr auto;
  padding: 22px 0;
}

.rate-row span {
  font-size: 1.18rem;
  font-weight: 800;
}

.rate-row strong {
  color: var(--uon-blue-dark);
  font-size: 1.18rem;
}

.quote-section {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 64px;
  grid-template-columns: minmax(240px, 0.36fr) 1fr;
  padding-top: 86px;
}

.quote-intro p {
  margin-top: 18px;
  max-width: 360px;
}

.quote-form {
  display: grid;
  gap: 22px;
}

.form-section {
  border: 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 22px 0 0;
}

.form-section legend {
  color: var(--uon-blue-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 0 14px 0 0;
  text-transform: uppercase;
}

.form-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.shop-grid {
  align-items: end;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(220px, 1fr) minmax(110px, 0.35fr) auto;
}

label {
  color: var(--ink);
  display: grid;
  font-size: 0.9rem;
  font-weight: 800;
  gap: 8px;
}

input,
select {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
  font: inherit;
  min-height: 48px;
  padding: 11px 12px;
  width: 100%;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.cart-add {
  color: var(--uon-blue-dark);
  min-width: 142px;
}

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(0, 119, 200, 0.28);
  outline-offset: 2px;
}

.cart-panel {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
  padding-top: 22px;
}

.cart-heading {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.cart-heading strong {
  color: var(--muted);
  font-size: 0.94rem;
}

.cart-items {
  display: grid;
  gap: 12px;
}

.cart-empty {
  color: var(--muted);
  margin: 0;
}

.cart-item {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr auto;
  padding: 14px 0;
}

.cart-item-copy {
  display: grid;
  gap: 4px;
}

.cart-item-copy strong {
  font-size: 1.04rem;
}

.cart-item-copy span {
  color: var(--muted);
  font-size: 0.92rem;
}

.cart-item-controls {
  align-items: center;
  display: grid;
  gap: 12px;
  grid-template-columns: 92px auto minmax(74px, auto);
}

.cart-quantity {
  color: var(--muted);
  font-size: 0.76rem;
  gap: 4px;
}

.cart-quantity input {
  min-height: 40px;
  padding: 8px 10px;
}

.cart-remove {
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--line);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 8px 0;
}

.cart-remove:hover,
.cart-remove:focus-visible {
  border-bottom-color: var(--uon-blue);
  color: var(--uon-blue-dark);
}

.cart-line-total {
  font-size: 1.05rem;
  text-align: right;
}

.estimate {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px 24px;
  grid-template-columns: minmax(150px, auto) 1fr;
  padding: 22px 0;
}

.cart-summary {
  border-top: 0;
}

.estimate strong {
  font-size: 2.35rem;
  letter-spacing: 0;
  line-height: 1;
}

.estimate p {
  color: var(--muted);
  grid-column: 1 / -1;
  margin: 0;
}

.form-button {
  justify-self: start;
}

.checkout-status {
  color: var(--muted);
  font-weight: 700;
  margin: -8px 0 0;
  min-height: 1.5em;
}

.checkout-status.warning {
  color: #8a5b13;
}

.checkout-status.error {
  color: #a3342d;
}

.site-footer {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(160px, 0.3fr) 1fr;
  padding-bottom: 42px;
  padding-top: 42px;
}

.site-footer strong {
  font-size: 1.05rem;
}

.site-footer p {
  margin: 0;
  max-width: 680px;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    padding-bottom: 18px;
    padding-top: 18px;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 18px;
  }

  .hero-inner {
    padding-bottom: 92px;
    padding-top: 92px;
  }

  .section,
  .quote-section {
    padding-bottom: 74px;
    padding-top: 74px;
  }

  .section-heading,
  .product-grid,
  .quote-section,
  .site-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .hero h1 {
    font-size: 3.35rem;
  }

  .form-grid,
  .shop-grid,
  .rate-row,
  .estimate {
    grid-template-columns: 1fr;
  }

  .cart-item,
  .cart-item-controls {
    grid-template-columns: 1fr;
  }

  .cart-line-total {
    text-align: left;
  }

  .button,
  .form-button {
    width: 100%;
  }
}