:root {
  --bg: #0f0f0f;
  --surface: #191919;
  --surface-2: #232323;
  --text: #ffffff;
  --muted: #c7c7c7;
  --accent: #4d8eff;
  --accent-light: #9ec2ff;
  --accent-action: #3a6ea5;
  --line: rgba(255, 255, 255, 0.12);
  --max: 1160px;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
}

a {
  color: var(--accent-light);
}

a:hover {
  color: #ffffff;
}

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

.skip-link {
  position: fixed;
  top: 0;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: #fff;
  color: #111;
  transform: translateY(-120%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 2.5rem), var(--max));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 20;
  background: rgba(15, 15, 15, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

body > main {
  padding-top: 82px;
}

main [id] {
  scroll-margin-top: 100px;
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand img {
  width: 187px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav a,
.site-nav summary {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
}

.site-nav > a,
.site-nav > .services-menu > summary {
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a[aria-current="page"],
.site-nav summary:hover,
.site-nav details[open] summary {
  color: #fff;
}

.site-nav .services-menu {
  position: relative;
}

.site-nav .services-menu summary {
  cursor: pointer;
  list-style: none;
}

.site-nav .services-menu summary::-webkit-details-marker {
  display: none;
}

.site-nav .services-menu summary::after {
  content: "";
  display: inline-block;
  width: 0.42rem;
  height: 0.42rem;
  margin: 0 0 0.2rem 0.5rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.site-nav .services-menu[open] summary::after {
  transform: rotate(225deg) translate(-0.12rem, -0.12rem);
}

.site-nav .services-dropdown {
  position: absolute;
  top: calc(100% + 1rem);
  left: 50%;
  display: grid;
  min-width: 250px;
  padding: 0.65rem;
  background: #181818;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.38);
  transform: translateX(-50%);
}

.site-nav .services-dropdown a {
  padding: 0.62rem 0.72rem;
  border-radius: 5px;
  white-space: nowrap;
}

.site-nav .services-dropdown a:hover,
.site-nav .services-dropdown a:focus-visible,
.site-nav .services-dropdown a[aria-current="page"] {
  background: var(--surface-2);
}

.site-nav .nav-cta {
  padding: 0.58rem 0.9rem;
  background: var(--accent-action);
  border-radius: 4px;
  color: #fff;
  font-weight: 700;
}

.mobile-menu-btn {
  display: none;
  padding: 0.35rem;
  background: transparent;
  border: 0;
  color: #fff;
  font: inherit;
  font-size: 1.55rem;
  line-height: 1;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  padding: 5rem 1.5rem 2rem;
  background: var(--bg);
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  overflow-y: auto;
}

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

.mobile-nav a {
  color: #fff;
  font-size: 1.18rem;
  text-decoration: none;
}

.mobile-nav a:hover,
.mobile-nav a[aria-current="page"] {
  color: var(--accent-light);
}

.mobile-nav-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mobile-sub-link {
  color: var(--muted) !important;
  font-size: 1.05rem !important;
}

.mobile-sub-link:hover,
.mobile-sub-link[aria-current="page"] {
  color: #fff !important;
}

.close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  padding: 0.35rem;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

.breadcrumb {
  padding-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--muted);
}

.service-hero {
  padding: 4rem 0 5rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 80% 20%, rgba(77, 142, 255, 0.14), transparent 34%),
    var(--bg);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.15;
}

h1 {
  max-width: 880px;
  margin-bottom: 1.4rem;
  font-size: clamp(2.5rem, 6vw, 5rem);
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.lead {
  max-width: 770px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.72rem 1.1rem;
  border: 1px solid var(--accent-action);
  border-radius: 4px;
  background: var(--accent-action);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.button:hover {
  background: #2d5885;
  color: #fff;
}

.button.secondary {
  background: transparent;
  color: #fff;
}

main section {
  padding: 5rem 0;
}

.intro-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.content p,
.content li,
.card p,
.card li,
.aside p,
.aside li,
.faq p {
  color: var(--muted);
}

.content p:first-of-type {
  font-size: 1.12rem;
}

.aside {
  padding: 1.6rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
}

.aside h2 {
  font-size: 1.2rem;
  letter-spacing: 0;
}

.aside ul,
.card ul,
.check-list {
  padding-left: 1.25rem;
}

.aside li + li,
.card li + li,
.check-list li + li {
  margin-top: 0.45rem;
}

.surface {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.section-intro {
  max-width: 720px;
  margin: -0.5rem 0 2.5rem;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

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

.card {
  padding: 1.6rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card-number {
  display: block;
  margin-bottom: 1rem;
  color: var(--accent-light);
  font-weight: 700;
}

.process-list {
  counter-reset: process;
  display: grid;
  gap: 0;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  counter-increment: process;
  position: relative;
  padding: 0 0 2rem 4rem;
  border-left: 1px solid var(--line);
  margin-left: 1rem;
  color: var(--muted);
}

.process-list li::before {
  content: counter(process, decimal-leading-zero);
  position: absolute;
  left: -1.05rem;
  top: -0.25rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  background: var(--accent);
  border-radius: 50%;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
}

.process-list li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.process-list strong {
  display: block;
  margin-bottom: 0.25rem;
  color: #fff;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
  max-width: 900px;
}

.faq {
  padding: 1.2rem 1.4rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  margin: 0.8rem 0 0;
}

.cta {
  padding: clamp(2rem, 6vw, 4rem);
  background: linear-gradient(135deg, #1a3157, #17243a 55%, #191919);
  border: 1px solid rgba(158, 194, 255, 0.3);
  border-radius: 12px;
}

.cta p {
  max-width: 720px;
  color: #d7e5ff;
}

.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .header-inner {
    gap: 0.75rem;
  }

  .brand img {
    width: 187px;
  }

  .site-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .intro-grid,
  .split,
  .card-grid.three {
    grid-template-columns: 1fr;
  }

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

  .service-hero,
  main section {
    padding-block: 3.5rem;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}