:root {
  --paper: #ffffff;
  --navy: #13203a;
  --ink: #13203a;
  --soft-gray: #f1f3f6;
  --line: rgba(19, 32, 58, 0.16);
}

body {
  background: #ffffff;
  color: var(--navy);
}

.site-header {
  transition: background-color 0.25s ease, box-shadow 0.25s ease, height 0.25s ease;
}

.site-header.scrolled {
  position: fixed;
  width: 100%;
  height: 76px;
  padding-right: max(32px, calc((100vw - var(--max)) / 2));
  padding-left: max(32px, calc((100vw - var(--max)) / 2));
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 35px rgba(19, 32, 58, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: header-in 0.28s ease both;
}

@keyframes header-in {
  from { transform: translate(-50%, -100%); }
  to { transform: translate(-50%, 0); }
}

.site-header {
  color: var(--navy);
}

.site-header nav > a:hover {
  color: var(--orange);
  opacity: 1;
}

.nav-contact {
  border-color: rgba(19, 32, 58, 0.35);
}

.menu-button span {
  background: var(--navy);
}

.hero {
  background: #ffffff;
  color: var(--navy);
}

.hero::before {
  background: linear-gradient(120deg, transparent 0 47%, rgba(19, 32, 58, 0.055) 47% 47.1%, transparent 47.1%);
}

.hero-description {
  color: rgba(19, 32, 58, 0.68);
}

.button-primary {
  color: var(--navy);
}

.text-link {
  border-color: rgba(19, 32, 58, 0.35);
}

.hero-visual {
  background: radial-gradient(circle, rgba(255, 112, 67, 0.2), transparent 62%);
}

.orbit {
  border-color: rgba(19, 32, 58, 0.24);
}

.node {
  background: var(--navy);
  color: #ffffff;
}

.visual-note,
.scroll-cue {
  color: rgba(19, 32, 58, 0.55);
}

.services {
  background: var(--soft-gray);
  color: var(--navy);
}

.section-label.light {
  color: var(--navy);
}

.services-heading p,
.service-card p {
  color: rgba(19, 32, 58, 0.65);
}

.service-list {
  border-top-color: rgba(19, 32, 58, 0.18);
  border-left-color: rgba(19, 32, 58, 0.18);
}

.service-card {
  border-right-color: rgba(19, 32, 58, 0.18);
  border-bottom-color: rgba(19, 32, 58, 0.18);
}

.service-number {
  color: var(--orange);
}

.service-icon,
.service-card li {
  border-color: rgba(19, 32, 58, 0.28);
}

.service-card li {
  color: rgba(19, 32, 58, 0.72);
}

.service-card:hover {
  background: var(--orange);
  color: var(--navy);
}

.service-card:hover p,
.service-card:hover li,
.service-card:hover .service-number {
  color: var(--navy);
}

.contact {
  background: #ffffff;
  border-top: 1px solid var(--line);
}

.contact-circle {
  background: var(--orange);
  border-color: var(--orange);
}

.contact-circle:hover {
  background: var(--navy);
  color: #ffffff;
}

footer {
  background: var(--soft-gray);
  color: var(--navy);
}

footer > p,
.footer-contact {
  color: rgba(19, 32, 58, 0.56);
}

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

.copyright {
  border-top-color: rgba(19, 32, 58, 0.14);
}

@media (max-width: 900px) {
  .site-header.scrolled {
    height: 68px;
    padding-right: 20px;
    padding-left: 20px;
  }

  .site-header.scrolled nav {
    top: 68px;
    right: 0;
    left: 0;
  }

  .site-header nav {
    background: #ffffff;
    border-top: 1px solid var(--line);
    box-shadow: 0 18px 35px rgba(19, 32, 58, 0.1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header.scrolled {
    animation: none;
  }
}