:root {
  --bg: #ffffff;
  --bg-muted: #f4f7fa;
  --ink: #17212f;
  --text: #435166;
  --line: #d9e1ea;
  --accent: #0e3a5f;
  --accent-strong: #092a45;
  --accent-soft: #e7eef5;
  --panel: #f9fbfd;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 6vw;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  min-width: 48px;
  height: 34px;
  place-items: center;
  background: var(--accent);
  color: #ffffff;
  font-size: 14px;
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  font-size: 14px;
  color: var(--text);
}

.main-nav a:hover {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 48px;
  align-items: center;
  padding: 78px 6vw 64px;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 850px;
  font-size: clamp(34px, 5vw, 56px);
}

h2 {
  font-size: clamp(26px, 3vw, 38px);
}

h3 {
  font-size: 18px;
}

.hero-subtitle {
  max-width: 780px;
  margin: 22px 0 0;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  font-weight: 700;
  cursor: pointer;
}

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

.button.primary:hover {
  background: var(--accent-strong);
}

.button.secondary {
  background: #ffffff;
  color: var(--accent);
}

.hero-panel {
  border: 1px solid var(--line);
  background: var(--panel);
}

.placeholder {
  display: grid;
  min-height: 320px;
  place-items: center;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(14, 58, 95, 0.08), rgba(67, 81, 102, 0.03)),
    repeating-linear-gradient(45deg, transparent 0 18px, rgba(14, 58, 95, 0.04) 18px 19px);
  color: var(--accent);
  font-weight: 700;
  text-align: center;
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
}

.quick-facts div {
  padding: 18px;
  border-right: 1px solid var(--line);
}

.quick-facts div:last-child {
  border-right: 0;
}

.quick-facts dt {
  color: var(--text);
  font-size: 12px;
  text-transform: uppercase;
}

.quick-facts dd {
  margin: 4px 0 0;
  color: var(--ink);
  font-weight: 700;
}

.section {
  padding: 70px 6vw;
}

.section.muted {
  background: var(--bg-muted);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-copy {
  margin: 12px 0 0;
}

.card-grid,
.list-grid,
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card,
.project-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

.card {
  min-height: 110px;
  padding: 24px;
}

.list-grid p {
  margin: 0;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  background: #ffffff;
  color: var(--ink);
  font-weight: 700;
}

.project-card {
  overflow: hidden;
}

.project-image {
  display: grid;
  min-height: 190px;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.project-card h3 {
  padding: 20px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  gap: 42px;
  align-items: start;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 16px 18px 16px 42px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  font-weight: 700;
}

.check-list li::before {
  position: absolute;
  left: 18px;
  color: var(--accent);
  content: "✓";
}

.rfq-section {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(320px, 1.25fr);
  gap: 42px;
}

.rfq-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid #c7d1dc;
  border-radius: 4px;
  padding: 12px;
  color: var(--ink);
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  outline: 2px solid rgba(14, 58, 95, 0.16);
}

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

.form-note {
  align-self: center;
  margin: 0;
  color: var(--accent);
  font-weight: 700;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 1fr);
  gap: 28px;
  padding: 46px 6vw;
  background: var(--accent-strong);
  color: #dbe6ef;
}

.site-footer h2,
.site-footer .eyebrow {
  color: #ffffff;
}

address {
  font-style: normal;
}

address p {
  margin: 0 0 8px;
}

.copyright {
  grid-column: 1 / -1;
  margin: 10px 0 0;
  color: #aebfce;
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-header,
  .hero,
  .split,
  .rfq-section,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-header {
    display: grid;
  }

  .main-nav {
    justify-content: flex-start;
  }

  .card-grid,
  .list-grid,
  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .site-header {
    position: static;
    padding: 16px 20px;
  }

  .hero,
  .section,
  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    padding-top: 46px;
  }

  h1 {
    font-size: 34px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

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

  .quick-facts,
  .card-grid,
  .list-grid,
  .project-grid,
  .rfq-form {
    grid-template-columns: 1fr;
  }

  .quick-facts div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quick-facts div:last-child {
    border-bottom: 0;
  }
}