:root {
  --navy-950: #08131f;
  --navy-900: #0d1b2a;
  --navy-800: #16283c;
  --navy-700: #20364e;
  --steel-500: #728195;
  --steel-300: #b7c1cc;
  --steel-200: #d8dee5;
  --steel-100: #edf1f4;
  --white: #ffffff;
  --accent: #d7a84a;
  --shadow: 0 22px 50px rgba(5, 13, 22, 0.18);
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", Arial, sans-serif;
  color: var(--navy-900);
  background: linear-gradient(180deg, #f6f8fa 0%, #edf1f4 100%);
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(8, 19, 31, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--white);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--accent), #8f6c2a);
  color: var(--navy-950);
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-text {
  display: grid;
  gap: 0.1rem;
}

.brand-text strong,
.brand-text small {
  display: block;
}

.brand-text strong,
h1,
h2,
h3 {
  font-family: "Montserrat", Arial, sans-serif;
}

.brand-text strong {
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.brand-text small {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.8rem;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.site-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.45rem;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent);
  transition: transform 0.25s ease;
}

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--white);
}

.header-actions {
  display: flex;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: var(--navy-950);
}

.btn-primary:hover {
  background: #e5b657;
}

.btn-secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
  background: transparent;
}

.btn-secondary:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.btn-link {
  color: var(--white);
  padding: 0.85rem 0;
}

.btn-block {
  width: 100%;
}

.nav-toggle {
  display: none;
  padding: 0;
  background: transparent;
  border: 0;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  margin: 6px 0;
  background: var(--white);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero {
  position: relative;
  min-height: calc(100svh - 84px);
  display: grid;
  overflow: hidden;
  background: linear-gradient(140deg, var(--navy-950) 0%, var(--navy-800) 55%, #2d4a67 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 19, 31, 0.9) 0%, rgba(8, 19, 31, 0.6) 45%, rgba(8, 19, 31, 0.2) 100%);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 1.2rem;
  padding: 6rem 0;
}

.hero-content h1 {
  max-width: 9.5em;
  margin: 0;
  color: var(--white);
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  line-height: 0.98;
  text-transform: uppercase;
}

.hero-text,
.page-hero p {
  max-width: 38rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  font-weight: 700;
}

.section {
  padding: 5rem 0;
}

.section-dark {
  background: linear-gradient(180deg, var(--navy-900) 0%, #122235 100%);
  color: var(--white);
}

.section-muted {
  background: linear-gradient(180deg, #f0f3f6 0%, #e5ebf0 100%);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.section-heading h2,
.split-copy h2,
.two-column-text h2,
.cta-banner h2,
.page-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.05;
}

.section-heading a {
  color: inherit;
  font-weight: 700;
  opacity: 0.76;
}

.intro-band {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

.intro-grid,
.two-column-text,
.split-section,
.cta-banner-inner,
.contact-layout {
  display: grid;
  gap: 2rem;
}

.intro-grid,
.two-column-text {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-grid,
.project-grid,
.testimonial-preview-grid,
.stats-grid,
.testimonials-grid {
  display: grid;
  gap: 1.5rem;
}

.service-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.service-card,
.testimonial-card,
.contact-card,
.service-item,
.contact-panel {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(10, 22, 36, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.service-card {
  padding: 1.75rem;
  min-height: 220px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(236, 241, 245, 0.96) 100%);
}

.service-card h3,
.project-copy h3,
.project-copy h2,
.testimonial-card strong,
.contact-card h3,
.service-item h2 {
  margin-top: 0;
  margin-bottom: 0.65rem;
}

.service-number,
.project-tag {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--accent);
  font-family: "Montserrat", Arial, sans-serif;
  font-weight: 800;
}

.project-grid,
.project-grid-large {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-card {
  overflow: hidden;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.project-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.project-copy {
  padding: 1.35rem;
}

.project-copy p,
.service-card p,
.testimonial-card p,
.contact-card p,
.service-item p,
.split-copy p,
.two-column-text p,
.intro-grid p {
  margin: 0;
}

.split-section {
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
}

.split-media img,
.map-placeholder img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-list {
  display: grid;
  gap: 1.4rem;
  margin-top: 1.5rem;
}

.feature-list h3 {
  margin-bottom: 0.35rem;
}

.testimonial-preview-grid,
.testimonials-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.testimonial-card {
  padding: 1.8rem;
}

.cta-banner {
  color: var(--white);
  background: linear-gradient(135deg, rgba(8, 19, 31, 0.98) 0%, rgba(18, 34, 53, 0.98) 100%);
}

.cta-banner-inner {
  grid-template-columns: 1.4fr auto;
  align-items: center;
}

.cta-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-end;
}

.site-footer {
  padding: 4rem 0 1.25rem;
  color: var(--white);
  background: #07111c;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 2rem;
}

.site-footer h3 {
  margin-top: 0;
}

.site-footer a,
.site-footer p {
  display: block;
  margin: 0 0 0.7rem;
  color: rgba(255, 255, 255, 0.78);
}

.footer-base {
  padding-top: 1.5rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.page-hero {
  color: var(--white);
  padding: 7rem 0 4rem;
  background: radial-gradient(circle at top right, rgba(215, 168, 74, 0.2), transparent 20%), linear-gradient(145deg, var(--navy-950) 0%, var(--navy-800) 100%);
}

.page-hero-inner {
  display: grid;
  gap: 1rem;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stats-grid article {
  padding: 2rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.stats-grid strong {
  display: block;
  margin-bottom: 0.75rem;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 2rem;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.check-list li {
  position: relative;
  padding-left: 1.7rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--accent);
}

.service-list {
  display: grid;
  gap: 1.2rem;
}

.service-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1.3rem;
  padding: 1.6rem 1.75rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.8rem;
}

.filter-button {
  min-height: 44px;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(13, 27, 42, 0.14);
  background: rgba(255, 255, 255, 0.82);
  color: var(--navy-900);
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.filter-button.active,
.filter-button:hover {
  background: var(--navy-900);
  color: var(--white);
  border-color: var(--navy-900);
}

.filter-item.is-hidden {
  display: none;
}

.contact-layout {
  grid-template-columns: 1.3fr 0.9fr;
  align-items: start;
}

.contact-panel {
  padding: 2rem;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(13, 27, 42, 0.12);
  background: #f8fafb;
}

.contact-sidebar {
  display: grid;
  gap: 1rem;
}

.contact-card {
  padding: 1.5rem;
}

.contact-card a {
  display: block;
  margin-bottom: 0.45rem;
  font-weight: 600;
}

.map-placeholder {
  overflow: hidden;
  border-radius: var(--radius);
}

@media (max-width: 1100px) {
  .service-grid,
  .project-grid,
  .project-grid-large,
  .stats-grid,
  .testimonial-preview-grid,
  .testimonials-grid,
  .footer-grid,
  .intro-grid,
  .two-column-text,
  .split-section,
  .cta-banner-inner,
  .contact-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .header-inner {
    grid-template-columns: auto auto auto;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    padding: 1rem;
    background: rgba(8, 19, 31, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: inline-block;
    justify-self: end;
  }
}

@media (max-width: 780px) {
  .container {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .header-inner {
    grid-template-columns: auto auto;
  }

  .header-actions {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 5.5rem 0 4rem;
  }

  .hero-content h1,
  .page-hero h1,
  .section-heading h2,
  .split-copy h2,
  .two-column-text h2,
  .cta-banner h2 {
    max-width: none;
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .intro-grid,
  .two-column-text,
  .split-section,
  .service-grid,
  .project-grid,
  .project-grid-large,
  .stats-grid,
  .testimonial-preview-grid,
  .testimonials-grid,
  .footer-grid,
  .cta-banner-inner,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .service-item {
    grid-template-columns: 1fr;
  }

  .cta-banner-actions {
    justify-content: flex-start;
  }
}