:root {
  --primary: #00459e;
  --accent: #08aeea;
  --dark: #0d1b2a;
  --text: #243447;
  --muted: #667085;
  --line: #e6edf5;
  --light: #f5f9fd;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(13, 27, 42, 0.12);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.top-strip {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
}

.strip-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 9px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.navbar {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand strong {
  display: block;
  color: var(--primary);
  font-size: 22px;
  letter-spacing: 2px;
}

.brand span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: -4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
  font-weight: 700;
}

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

.nav-button {
  background: var(--primary);
  color: var(--white) !important;
  padding: 11px 17px;
  border-radius: 999px;
}

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

.menu-toggle {
  display: none;
  border: 0;
  background: none;
  font-size: 28px;
  color: var(--primary);
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(13,27,42,0.92) 0%, rgba(13,27,42,0.70) 46%, rgba(13,27,42,0.32) 100%),
    url("assets/mixed-housing-street.png") center/cover no-repeat;
  transform: scale(1.02);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 46px;
  align-items: center;
  padding: 100px 0;
}

.eyebrow,
.section-label {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 13px;
  font-weight: 800;
  margin: 0 0 12px;
}

.hero h1 {
  max-width: 800px;
  margin: 0 0 24px;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 1.03;
  letter-spacing: -2.5px;
}

.hero-text {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
  margin: 0;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 800;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: #008dca;
  transform: translateY(-2px);
}

.btn-secondary {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.hero-card {
  background: rgba(255, 255, 255, 0.94);
  color: var(--text);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}

.hero-card img {
  width: 210px;
  margin: 0 auto 22px;
}

.hero-card h2 {
  text-align: center;
  color: var(--primary);
  margin: 0 0 10px;
}

.hero-card p {
  text-align: center;
  color: var(--muted);
  margin: 0;
  font-weight: 700;
}

.highlights {
  position: relative;
  z-index: 4;
  margin-top: -58px;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.highlight-grid div {
  background: var(--white);
  padding: 26px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.highlight-grid strong {
  display: block;
  color: var(--primary);
  font-size: 21px;
  margin-bottom: 8px;
}

.highlight-grid span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 96px 0;
}

.about-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: start;
}

h2 {
  color: var(--dark);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: -1.4px;
  margin: 0 0 18px;
}

.about-copy {
  font-size: 18px;
  color: var(--muted);
}

.about-copy p:first-child {
  margin-top: 0;
}

.center {
  text-align: center;
}

.services-section,
.blog-section,
.clients-section {
  background: var(--light);
}

.services-section h2,
.blog-section h2,
.clients-section h2 {
  max-width: 850px;
  margin-left: auto;
  margin-right: auto;
}

.service-grid,
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 42px;
}

.service-card,
.blog-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: 0 15px 45px rgba(13, 27, 42, 0.07);
  transition: 0.2s ease;
}

.service-card:hover,
.blog-card:hover,
.project-card:hover {
  transform: translateY(-5px);
}

.service-card span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  align-items: center;
  justify-content: center;
  background: rgba(8, 174, 234, 0.12);
  color: var(--primary);
  font-weight: 900;
  margin-bottom: 20px;
}

.service-card h3,
.blog-card h3,
.project-card h3 {
  color: var(--dark);
  font-size: 22px;
  line-height: 1.2;
  margin: 0 0 12px;
}

.service-card p,
.blog-card p,
.project-card p,
.section-head p,
.quality-panel p {
  color: var(--muted);
  margin: 0;
}

.section-head {
  display: grid;
  grid-template-columns: 0.9fr 0.75fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 42px;
}

.project-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
}

.project-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: 0.2s ease;
}

.project-card img {
  width: 100%;
  height: 285px;
  object-fit: cover;
}

.project-card.large {
  grid-row: span 2;
}

.project-card.large img {
  height: 640px;
}

.project-card.wide {
  grid-column: span 2;
}

.project-card.wide img {
  height: 440px;
}

.project-card div {
  padding: 26px;
}

.quality-section {
  background:
    linear-gradient(90deg, rgba(0,69,158,0.94), rgba(8,174,234,0.82)),
    url("assets/housing-street.png") center/cover no-repeat;
  color: var(--white);
}

.quality-panel {
  max-width: 1040px;
  background: rgba(255,255,255,0.94);
  color: var(--text);
  border-radius: 28px;
  padding: 46px;
  box-shadow: var(--shadow);
}

.quality-panel h2 {
  color: var(--dark);
}

.quality-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.quality-list div {
  background: var(--light);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}

.quality-list strong {
  display: block;
  color: var(--primary);
  margin-bottom: 8px;
}

.quality-list span {
  color: var(--muted);
}

.blog-grid {
  grid-template-columns: repeat(2, 1fr);
}

.blog-card a {
  display: inline-block;
  margin-top: 18px;
  color: var(--primary);
  font-weight: 800;
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 38px;
}

.client-grid div {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 18px;
  text-align: center;
  font-size: 22px;
  color: var(--primary);
  font-weight: 900;
  box-shadow: 0 14px 40px rgba(13, 27, 42, 0.06);
}

.contact-section {
  padding: 96px 0;
  background: var(--dark);
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: start;
}

.contact-content h2 {
  color: var(--white);
}

.contact-content p {
  color: rgba(255,255,255,0.78);
  font-size: 18px;
}

.contact-details {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.contact-details a,
.contact-details span {
  color: var(--white);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.13);
  padding: 16px 18px;
  border-radius: 14px;
  font-weight: 800;
}

.contact-form {
  background: var(--white);
  color: var(--text);
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: block;
  color: var(--dark);
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  margin-top: 7px;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(8, 174, 234, 0.18);
  border-color: var(--accent);
}

.contact-form small {
  display: block;
  margin-top: 13px;
  color: var(--muted);
}

.footer {
  background: #071322;
  color: rgba(255,255,255,0.76);
  padding: 54px 0 22px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 40px;
}

.footer img {
  width: 44px;
  margin-bottom: 14px;
}

.footer strong {
  color: var(--white);
  display: block;
  font-size: 20px;
  margin-bottom: 8px;
}

.footer h4 {
  color: var(--white);
  margin: 0 0 14px;
}

.footer a {
  display: block;
  margin: 8px 0;
}

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

.copyright {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: 34px;
  padding-top: 18px;
  font-size: 14px;
}

@media (max-width: 980px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 78px;
    left: 20px;
    right: 20px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 18px;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links.active {
    display: flex;
  }

  .hero-grid,
  .about-section,
  .section-head,
  .project-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .highlight-grid,
  .service-grid,
  .client-grid,
  .quality-list,
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-card.large {
    grid-row: auto;
  }

  .project-card.large img,
  .project-card.wide img {
    height: 340px;
  }

  .project-card.wide {
    grid-column: auto;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .strip-inner {
    flex-direction: column;
    gap: 3px;
  }

  .hero-grid {
    padding: 72px 0;
  }

  .hero h1 {
    font-size: 40px;
    letter-spacing: -1.5px;
  }

  .hero-text {
    font-size: 17px;
  }

  .highlight-grid,
  .service-grid,
  .client-grid,
  .quality-list,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .contact-section {
    padding: 70px 0;
  }

  .quality-panel,
  .contact-form {
    padding: 26px;
    border-radius: 22px;
  }

  .brand strong {
    font-size: 19px;
  }

  .brand img {
    width: 40px;
    height: 40px;
  }
}

.thank-you-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--light);
  padding: 30px;
}
.thank-you-card {
  max-width: 520px;
  background: var(--white);
  padding: 44px;
  border-radius: 28px;
  box-shadow: var(--shadow);
  text-align: center;
}
.thank-you-card img {
  width: 90px;
  margin: 0 auto 18px;
}
.thank-you-card h1 {
  color: var(--primary);
  margin: 0 0 10px;
  font-size: 42px;
}
.thank-you-card p {
  color: var(--muted);
  margin-bottom: 26px;
}