:root {
  --ink: #10263e;
  --text: #23415f;
  --muted: #4b6179;
  --blue: #1f8fd0;
  --blue-strong: #0f73b4;
  --orange: #f47b34;
  --line: rgba(18, 33, 54, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(135deg, #f7fbff 0%, #eaf3fa 48%, #fff8f1 100%);
  font-family: Arial, Helvetica, sans-serif;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 5vw, 4.5rem);
  border-bottom: 1px solid rgba(18, 33, 54, 0.08);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}

nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.45rem;
}

nav a,
.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  line-height: 1.1;
}

nav a:hover,
.secondary-action:hover {
  background: rgba(31, 143, 208, 0.1);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(21rem, 0.95fr);
  gap: clamp(2rem, 6vw, 5.5rem);
  align-items: center;
  min-height: calc(100vh - 4.7rem);
  padding: clamp(2.5rem, 7vw, 6rem) clamp(1rem, 5vw, 4.5rem) clamp(3rem, 7vw, 6rem);
}

.hero-copy,
.section-heading,
.commitments,
.contact-section {
  display: grid;
  gap: 1rem;
}

.hero-copy {
  max-width: 54rem;
  gap: 1.25rem;
}

.kicker {
  margin: 0;
  color: var(--blue-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 56rem;
  color: var(--ink);
  font-size: clamp(2.6rem, 6vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  color: var(--ink);
  font-size: clamp(1.8rem, 3.4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  color: #122136;
  font-size: 1.25rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.lead {
  max-width: 48rem;
  color: #405a77;
  font-size: clamp(1rem, 1.4vw, 1.22rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding-top: 0.5rem;
}

.primary-action {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-strong));
  box-shadow: 0 16px 30px rgba(31, 143, 208, 0.26);
}

.secondary-action {
  border: 1px solid rgba(31, 143, 208, 0.22);
  background: rgba(255, 255, 255, 0.72);
}

.hero-visual {
  position: relative;
  min-height: 30rem;
  overflow: hidden;
  border-radius: 8px;
  background: #dbe8f2;
  box-shadow: 0 24px 54px rgba(18, 33, 54, 0.16);
}

.hero-photo {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 30rem;
  object-fit: cover;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(16, 38, 62, 0.42), rgba(16, 38, 62, 0.04) 58%, rgba(16, 38, 62, 0.16));
  pointer-events: none;
}

.hero-logo {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  width: min(24%, 6.5rem);
  height: auto;
  padding: 0.55rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  filter: drop-shadow(0 20px 24px rgba(18, 33, 54, 0.16));
}

.visual-label {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  min-height: 2.4rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 800;
  box-shadow: 0 14px 32px rgba(18, 33, 54, 0.1);
}

.transport {
  left: 6%;
  top: 12%;
}

.tertiary {
  right: 7%;
  top: 22%;
}

.residential {
  left: 12%;
  bottom: 12%;
}

.section-band,
.commitments,
.contact-section {
  padding: clamp(3rem, 7vw, 5.75rem) clamp(1rem, 5vw, 4.5rem);
}

.section-heading {
  max-width: 54rem;
  margin-bottom: 1.5rem;
}

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

.sector-card {
  display: grid;
  gap: 0.9rem;
  min-height: 100%;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 38px rgba(18, 33, 54, 0.08);
}

.sector-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 6px;
}

.sector-card p {
  color: var(--blue-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sector-card span,
.sector-card li,
.commitment-list span,
.contact-section p {
  color: var(--muted);
  line-height: 1.55;
}

ul {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding-left: 1.1rem;
}

.commitments {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  background: var(--ink);
}

.commitments h2,
.commitments strong {
  color: #fff;
}

.commitment-list {
  display: grid;
  gap: 0.75rem;
}

.commitment-list div {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border-left: 4px solid var(--orange);
  background: rgba(255, 255, 255, 0.08);
}

.commitment-list span {
  color: rgba(255, 255, 255, 0.74);
}

.contact-section {
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.42fr);
  align-items: center;
  gap: 2rem;
}

.contact-panel {
  display: grid;
  gap: 0.7rem;
  padding: 1.2rem;
  border: 1px solid rgba(31, 143, 208, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 18px 38px rgba(18, 33, 54, 0.08);
}

.contact-panel a {
  display: inline-flex;
  align-items: center;
  min-height: 2.6rem;
  width: fit-content;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-strong));
  font-weight: 800;
  text-decoration: none;
}

.contact-panel a + a {
  color: var(--text);
  border: 1px solid rgba(31, 143, 208, 0.22);
  background: rgba(255, 255, 255, 0.72);
}

.contact-panel span {
  color: var(--blue-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-note {
  border-top: 1px solid var(--line);
  padding-top: 0.7rem;
  font-size: 0.92rem;
}

@media (max-width: 960px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

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

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 22rem;
  }

  .hero-photo {
    min-height: 22rem;
  }

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

@media (max-width: 560px) {
  .site-header,
  .hero,
  .section-band,
  .commitments,
  .contact-section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  nav a {
    min-height: 2.35rem;
    padding: 0.58rem 0.72rem;
    font-size: 0.86rem;
  }

  h1 {
    font-size: 2.55rem;
  }

  .hero-actions a {
    width: 100%;
  }

  .hero-logo {
    width: 8.5rem;
  }
}
