adaptive-multi-protocol-gateway/sites/ampgateway-site/styles.css

:root {
  color-scheme: light;
  --paper: #f7f4ec;
  --ink: #151615;
  --muted: #60645f;
  --line: #d8d0c0;
  --panel: #fffdf7;
  --field: #2f8f83;
  --power: #b24f38;
  --signal: #445fb0;
  --gold: #c48a24;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(21, 22, 21, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 22, 21, 0.03) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  color: var(--ink);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 8px 10px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-140%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(18px, 4vw, 46px);
  background: rgba(247, 244, 236, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand,
.top-nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 900;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 26px;
  height: 26px;
  place-items: center;
  background: var(--field);
  color: white;
  font-weight: 900;
}

.top-nav {
  gap: clamp(10px, 2vw, 22px);
  color: var(--muted);
  font-size: 0.94rem;
}

.top-nav a {
  text-decoration: none;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--ink);
}

.hero,
.section {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: end;
  min-height: 74vh;
  padding: clamp(70px, 12vw, 140px) 0 clamp(52px, 8vw, 92px);
}

.eyebrow,
.tag {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(3.2rem, 8vw, 7rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  max-width: 720px;
  margin-bottom: 16px;
  font-size: clamp(1.8rem, 3.4vw, 3.8rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
  letter-spacing: 0;
}

.hero p,
.section-heading p,
.order-section p,
.notes-grid p,
.status-board li,
.product p {
  color: var(--muted);
}

.button,
.order-form button,
.filter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
}

.button,
.order-form button {
  margin-top: 16px;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
}

.status-board,
.product,
.order-form,
.notes-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.status-board {
  padding: 22px;
}

.status-board h2 {
  font-size: 1.2rem;
}

.status-board ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
}

.section {
  padding: clamp(58px, 9vw, 104px) 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 26px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.filter {
  padding: 8px 14px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.filter.active,
.filter:focus-visible {
  background: var(--signal);
  color: white;
  border-color: var(--signal);
}

.catalog-grid,
.notes-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.product,
.notes-grid article {
  padding: 20px;
}

.product {
  display: flex;
  min-height: 230px;
  flex-direction: column;
}

.product[hidden] {
  display: none;
}

.price {
  margin-top: auto;
  color: var(--power) !important;
  font-size: 1.8rem;
  font-weight: 900;
}

.order-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.order-form {
  display: grid;
  gap: 14px;
  padding: 20px;
}

.order-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.order-form input,
.order-form select,
.order-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  color: var(--ink);
  font: inherit;
  padding: 10px 12px;
}

.estimate {
  min-height: 24px;
  margin: 0;
  color: var(--field) !important;
  font-weight: 800;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.route-grid a {
  display: grid;
  align-content: start;
  min-height: 150px;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  text-decoration: none;
}

.route-grid a:hover,
.route-grid a:focus-visible {
  border-color: var(--signal);
}

.route-grid span {
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.route-grid strong {
  color: var(--signal);
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 4vw, 46px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--signal);
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 900px) {
  .top-nav {
    display: none;
  }

  .hero,
  .order-section {
    grid-template-columns: 1fr;
  }

  .catalog-grid,
  .notes-grid,
  .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  h1 {
    font-size: clamp(2.9rem, 17vw, 4.5rem);
  }

  .catalog-grid,
  .notes-grid,
  .route-grid {
    grid-template-columns: 1fr;
  }

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

  .site-footer {
    display: grid;
  }
}