:root {
  --navy: #061525;
  --navy-2: #0a2138;
  --blue: #1268f3;
  --cyan: #21d7ff;
  --ink: #142033;
  --muted: #5d6b7e;
  --line: #dce6f2;
  --soft: #f5f8fc;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(6, 21, 37, .16);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.skip-link { position: absolute; left: -999px; top: 1rem; z-index: 20; background: var(--white); padding: .7rem 1rem; }
.skip-link:focus { left: 1rem; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(220,230,242,.8);
}
.nav {
  max-width: 1180px;
  margin: 0 auto;
  min-height: 78px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; font-family: "Space Grotesk", sans-serif; }
.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: var(--white);
  font-weight: 800;
}
.brand small { display: block; color: var(--muted); font: 600 12px Inter, sans-serif; }
.nav-menu { display: flex; align-items: center; gap: 22px; font-weight: 700; font-size: 14px; }
.nav-call { color: var(--blue); }
.nav-toggle { display: none; border: 0; background: transparent; width: 44px; height: 44px; padding: 10px; }
.nav-toggle span { display: block; height: 2px; margin: 6px 0; background: var(--ink); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 0;
  border-radius: 8px;
  background: var(--blue);
  color: var(--white);
  font-weight: 800;
  box-shadow: 0 14px 36px rgba(18, 104, 243, .28);
  cursor: pointer;
}
.btn-secondary { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.28); box-shadow: none; }
.btn-small { min-height: 40px; padding: 0 16px; }
.hero {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, .98fr);
  align-items: center;
  gap: 44px;
  padding: 92px max(22px, calc((100vw - 1180px) / 2)) 82px;
  color: var(--white);
  background:
    radial-gradient(circle at 15% 20%, rgba(33,215,255,.22), transparent 28%),
    linear-gradient(135deg, var(--navy), #0d2a45 55%, #09192a);
}
.fiber-grid {
  position: absolute;
  inset: 0;
  opacity: .4;
  background-image:
    linear-gradient(rgba(33,215,255,.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(33,215,255,.12) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to bottom, #000, transparent 86%);
}
.fiber-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(33,215,255,.28), transparent 48%);
  animation: sweep 7s linear infinite;
}
@keyframes sweep { from { transform: translateX(-70%); } to { transform: translateX(70%); } }
.hero-content, .hero-visual { position: relative; z-index: 1; }
.eyebrow { color: var(--cyan); text-transform: uppercase; letter-spacing: .12em; font-weight: 800; font-size: 12px; }
h1, h2, h3 { font-family: "Space Grotesk", Inter, sans-serif; line-height: 1.02; margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(44px, 7vw, 82px); max-width: 850px; }
h2 { font-size: clamp(34px, 4.4vw, 58px); }
h3 { font-size: 24px; }
.hero p { max-width: 690px; color: #d7e8fb; font-size: 20px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 34px 0; }
.trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 650px; }
.trust-strip span {
  min-height: 74px;
  padding: 14px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 8px;
  background: rgba(255,255,255,.08);
}
.trust-strip strong { display: block; font-size: 24px; color: var(--cyan); }
.hero-visual img { border-radius: 8px; box-shadow: var(--shadow); aspect-ratio: 4 / 3; object-fit: cover; }
.signal-card {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: min(280px, calc(100% - 44px));
  padding: 18px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 8px;
  background: rgba(6,21,37,.72);
  backdrop-filter: blur(16px);
}
.signal-card span { color: #b9cce1; }
.signal-card strong { display: block; color: var(--white); font-size: 19px; }
.section { padding: 96px max(22px, calc((100vw - 1180px) / 2)); }
.section-head { display: flex; justify-content: space-between; gap: 42px; align-items: end; margin-bottom: 36px; }
.section-head p { max-width: 450px; margin: 0; color: var(--muted); }
.logos {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  padding-top: 30px;
  padding-bottom: 30px;
  background: var(--soft);
  font-weight: 800;
  color: var(--navy-2);
}
.logos span { padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); text-align: center; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card {
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(18,104,243,.34); }
.service-card span { color: var(--blue); font-weight: 900; }
.service-card h3 { margin: 42px 0 14px; }
.service-card p { color: var(--muted); margin: 0; }
.dark {
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
}
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: center; }
.split p { color: #d4e3f4; max-width: 610px; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.feature-list span, .industry-grid span {
  padding: 18px;
  border-radius: 8px;
  border: 1px solid rgba(220,230,242,.18);
  background: rgba(255,255,255,.08);
  font-weight: 800;
}
.industry-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.industry-grid span { background: var(--soft); border-color: var(--line); }
.projects { background: var(--soft); }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters button {
  min-height: 38px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
  padding: 0 14px;
  font-weight: 800;
  cursor: pointer;
}
.filters .active { background: var(--navy); color: var(--white); }
.project-grid, .testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.project-card, .testimonial-grid figure {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 34px rgba(6,21,37,.07);
}
.project-card img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; }
.project-card div { padding: 22px; }
.project-card span { color: var(--blue); font-weight: 800; font-size: 13px; }
.project-card p, .testimonial-grid figcaption, .faq p, .quote p, .footer p { color: var(--muted); }
.testimonial-grid figure { margin: 0; padding: 28px; }
.testimonial-grid p { font-size: 19px; color: var(--ink); }
.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 22px;
  margin-bottom: 12px;
}
.faq summary { cursor: pointer; font-weight: 900; font-size: 19px; }
.quote {
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  gap: 44px;
  color: var(--white);
  background:
    linear-gradient(rgba(6,21,37,.9), rgba(6,21,37,.88)),
    url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1800&q=80") center/cover;
}
.quote p { color: #d8e8f8; }
.contact-lines { display: grid; gap: 12px; margin-top: 28px; font-weight: 800; }
.quote-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 24px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(18px);
}
.quote-form label { display: grid; gap: 7px; font-weight: 800; }
.quote-form input, .quote-form textarea, .quote-form select {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 8px;
  padding: 12px;
  color: var(--white);
  background: rgba(6,21,37,.65);
}
.quote-form textarea, .quote-form button { grid-column: 1 / -1; }
.quote-form label:has(textarea) { grid-column: 1 / -1; }
.float-call {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-weight: 900;
  box-shadow: var(--shadow);
}
.footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  padding: 42px max(22px, calc((100vw - 1180px) / 2));
  background: #030b14;
  color: var(--white);
}
.footer a { display: block; margin-bottom: 8px; color: #d9e8f8; }
.service-hero { min-height: 520px; padding-top: 120px; padding-bottom: 80px; }
.service-layout { display: grid; grid-template-columns: 1fr 320px; gap: 44px; }
.content-panel { display: grid; gap: 22px; }
.content-panel article { padding: 28px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.sidebar { position: sticky; top: 100px; align-self: start; padding: 24px; border-radius: 8px; background: var(--soft); border: 1px solid var(--line); }
.sidebar a { display: block; padding: 10px 0; font-weight: 800; color: var(--blue); }
@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute;
    inset: 78px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }
  .nav-menu.open { display: flex; }
  .hero, .split, .quote, .service-layout { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 64px; }
  .section-head { display: block; }
  .section-head p { margin-top: 16px; }
  .logos, .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid, .project-grid, .testimonial-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .brand small, .nav-call { display: none; }
  .hero, .section { padding-left: 16px; padding-right: 16px; }
  h1 { font-size: 43px; }
  h2 { font-size: 34px; }
  .hero p { font-size: 18px; }
  .trust-strip, .service-grid, .project-grid, .testimonial-grid, .feature-list, .industry-grid, .logos, .quote-form, .footer { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .quote-form textarea, .quote-form button, .quote-form label:has(textarea) { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; scroll-behavior: auto !important; transition: none !important; }
}
