:root {
  --primary: #088ae0;
  --primary-dark: #005fa3;
  --primary-light: #1cb0f6;
  --text-dark: #101820;
  --text-light: #fff;
  --bg-light: #f8fafc;
  --bg-white: #fff;
  --bg-dark: #11151a;
  --shadow: 0 4px 32px 0 rgba(8,138,224,0.10);
  --primary-shadow: 0 4px 32px 0 rgba(8,138,224,0.30);
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
  --max-width: 1100px;
  --nav-height: 72px;
}
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body {
  font-family: 'Source Sans Pro', Arial, sans-serif;
  background: var(--bg-light);
  color: var(--text-dark);
  margin: 0;
  padding: 0;
  transition: background var(--transition), color var(--transition);
  min-height: 100vh;
  overflow-x: hidden;
}
/* Sticky Nav */
nav {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background: var(--bg-white);
  box-shadow: 0 2px 12px 0 rgba(8,138,224,0.07);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 2rem;
  position: relative;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-right: auto;
}
.nav-logo img {
  height: 44px;
  width: auto;
  transition: filter var(--transition);
  display: block;
}
.nav-links {
  display: flex;
  gap: 2.2rem;
  align-items: center;
  transition: right 0.3s;
}
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.7rem 0.7rem;
  margin-left: 1rem;
  z-index: 200;
}
.nav-hamburger span {
  display: block;
  width: 28px;
  height: 4px;
  margin: 5px 0;
  background: var(--text-dark);
  border-radius: 2px;
  transition: background 0.3s;
}
.nav-link {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-dark);
  text-decoration: none;
  position: relative;
  padding: 0.2rem 0;
  transition: color var(--transition);
  letter-spacing: 0.04em;
}
.nav-link:after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s;
  position: absolute;
  left: 0;
  bottom: -2px;
}
.nav-link:hover, .nav-link:focus {
  color: var(--primary);
}
.nav-link:hover:after, .nav-link:focus:after {
  width: 100%;
}
/* Hero Section */
.hero {
  background: linear-gradient(120deg, #088ae0 0%, #1cb0f6 60%, #005fa3 100%);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 5rem 1.5rem 3rem 1.5rem;
  position: relative;
  overflow: hidden;
}
.hero-logo {
  width: 240px;
  height: auto;
  margin-bottom: 1.5rem;
  z-index: 1;
  transition: filter var(--transition);
}
.hero-title {
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-light);
  margin: 0 0 1.1rem 0;
  z-index: 1;
  text-shadow: 1px 2px 4px #093352;
  text-transform: uppercase;
}
.hero-tagline {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 2.2rem;
  z-index: 1;
  letter-spacing: 0.04em;
}
.hero-cta {
  display: inline-block;
  background: var(--bg-white);
  color: var(--primary);
  font-size: 1.15rem;
  font-weight: 900;
  padding: 1rem 2.2rem;
  border: none;
  box-shadow: 0 4px 24px 0 rgba(8,138,224,0.13);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: background var(--transition), box-shadow var(--transition), color var(--transition), transform var(--transition);
  z-index: 1;
  text-transform: uppercase;
  cursor: pointer;
}
.hero-cta:hover, .hero-cta:focus {
  background: var(--primary-dark);
  color: var(--text-light);
  box-shadow: 0 8px 32px 0 rgba(8,138,224,0.18);
  transform: translateY(-2px) scale(1.03);
}
/* Main Content */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section {
  margin: 4rem 0 0 0;
  position: relative;
}
.section-title {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 2.2rem;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}
/* About/Intro */
.about-block-wrapper {
  background: var(--primary);
  margin-top: 4rem;
  margin-bottom: 0;
  padding: 0;
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  box-sizing: border-box;
  overflow-x: hidden;
}
.about-block {
  background: none;
  color: var(--text-light);
  padding: 2.5rem 2rem 2.5rem 2rem;
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.5;
  box-shadow: none;
  margin: 0 auto;
  text-align: center;
  max-width: var(--max-width);
}
.about-block .section-title {
  margin-top: 0;
  margin-bottom: 2.2rem;
}
/* Fix About Us section header spacing */
#about .section-title {
  margin-top: 0;
  margin-bottom: 1.2rem;
  padding-top: 2.5rem;
}
.about-block {
  padding-top: 0;
}
/* Services */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}
.service-card {
  background: var(--bg-white);
  box-shadow: var(--primary-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.18s, box-shadow 0.18s;
  position: relative;
  min-height: 420px;
  border: none;
}
.service-card:hover, .service-card:focus-within {
  transform: translateY(-6px) scale(1.015);
  box-shadow: 0 8px 40px 0 var(--primary);
  z-index: 2;
}
.service-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--primary-light);
  border-bottom: 4px solid var(--primary);
  border-radius: 0;
}
.service-content {
  padding: 2rem 1.5rem 1.5rem 1.5rem;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.service-title {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--text-dark);
  margin: 0 0 0.5rem 0;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.service-desc {
  font-size: 1.05rem;
  margin-bottom: 0.7rem;
  color: var(--text-dark);
  font-weight: 500;
  transition: color var(--transition);
}
.service-list {
  font-weight: 700;
  margin: 0;
  padding-left: 1.1em;
  list-style: disc inside;
  color: var(--text-dark);
  transition: color var(--transition);
}
/* Contact & Materials */
.contact-section, .materials-section {
  background: var(--bg-white);
  box-shadow: var(--primary-shadow);
  padding: 2.5rem 2rem;
  margin-bottom: 2.5rem;
  text-align: center;
  border: none;
  transition: box-shadow var(--transition);
}
.contact-title {
  font-size: 1.3rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.contact-info {
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
}
.contact-link {
  color: var(--primary);
  text-decoration: underline;
  word-break: break-all;
  font-weight: 700;
}
.contact-info strong, .materials-title {
  font-size: 1.2rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.materials-list {
  margin: 0.5rem 0 0 0;
  padding-left: 1.2em;
  font-size: 1rem;
  text-align: left;
  display: inline-block;
}
.contact-materials-section {
  background: var(--bg-white);
  box-shadow: var(--primary-shadow);
  padding: 2.5rem 2rem;
  margin-bottom: 3.5rem;
  text-align: center;
  border: none;
  transition: box-shadow var(--transition);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}
@media (prefers-color-scheme: dark) {
  body { background: var(--bg-dark); color: var(--text-light); }
  nav, .service-card, .contact-materials-section { background: #11151a; color: var(--text-light); }
  .about-block-wrapper { background: var(--primary); }
  .service-title { color: var(--primary); }
  .materials-title, .contact-title, .section-title, .contact-info strong { color: #fff; }
  #about .service-title { color: var(--text-dark); }
  .service-desc, .service-list { color: var(--text-light); }
  .nav-link { color: #fff; }
  .nav-link:hover, .nav-link:focus { color: #6ec6ff; }
  .hero { background: linear-gradient(120deg, #005fa3 0%, #088ae0 60%, #1cb0f6 100%); }
  .hero-title, .hero-tagline { color: #fff; /* text-shadow: 0 2px 12px #222; */ }
  .hero-cta { background: #6ec6ff; color: #181c20; }
  .hero-cta:hover, .hero-cta:focus { background: #088ae0; color: #fff; }
  .service-card, .contact-materials-section {
    box-shadow: 0 0 18px 0 var(--primary);
  }
  footer { background: linear-gradient(90deg, #181c20 0%, #088ae0 100%); color: #fff; }
  .nav-hamburger span {
    background: #fff;
  }
  .nav-links {
    background: #11151a;
  }
  .contact-materials-section {
    background: #11151a;
    color: var(--text-light);
  }
}
/* Footer */
footer {
  text-align: center;
  padding: 1.5rem 1rem;
  color: #fff;
  font-size: 1.05rem;
  background: linear-gradient(90deg, #088ae0 0%, #005fa3 100%);
  margin-top: 3.5rem;
  border: none;
  box-shadow: 0 -2px 16px 0 rgba(8,138,224,0.10);
}
/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.4s cubic-bezier(.4,0,.2,1) forwards;
}
.fade-in.delay-1 { animation-delay: 0.1s; }
.fade-in.delay-2 { animation-delay: 0.2s; }
.fade-in.delay-3 { animation-delay: 0.3s; }
.fade-in.delay-4 { animation-delay: 0.4s; }
@keyframes fadeInUp {
  to { opacity: 1; transform: none; }
}
/* Responsive */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-title { font-size: 2.1rem; }
  .section-title { font-size: 1.5rem; }
  .about-block-wrapper { margin-top: 2rem; }
  .nav-links {
    position: absolute;
    top: var(--nav-height);
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    align-items: flex-end;
    gap: 1.5rem;
    padding: 2rem 2rem 2rem 3rem;
    min-width: 60vw;
    box-shadow: 0 8px 32px 0 rgba(8,138,224,0.10);
    display: none;
  }
  nav.nav-open .nav-links {
    display: flex;
  }
  .nav-hamburger {
    display: block;
  }
}
@media (max-width: 600px) {
  .nav-inner { padding: 0 0.7rem; }
  .hero { padding: 3.5rem 0.5rem 2rem 0.5rem; }
  .about-block, .contact-section, .materials-section { padding: 1.2rem 0.5rem; }
  .service-content { padding: 1.2rem 0.7rem 1rem 0.7rem; }
  .service-card { min-height: 340px; }
}