:root {
  --dark: #0A0F1A;
  --navy: #1B3A6B;
  --cyan: #00C2FF;
  --silver: #C0C0C8;
  --gold: #FFD700;
  --blue: #006CFF;
  --white: #ffffff;
  --black: #05070c;
  --border: rgba(192, 192, 200, 0.14);
  --soft-border: rgba(192, 192, 200, 0.09);
  --text-muted: rgba(255, 255, 255, 0.72);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
}

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

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at top center, rgba(0, 108, 255, 0.22), transparent 36%),
    radial-gradient(circle at bottom center, rgba(0, 194, 255, 0.12), transparent 42%),
    linear-gradient(180deg, #07101e 0%, #05070c 45%, #05070c 100%);
}

.page-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 194, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 194, 255, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.22;
}

/* NAV */
.site-header {
  width: 100%;
  min-height: 92px;
  padding: 20px 48px;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 34px;
  border-bottom: 1px solid var(--soft-border);
  background: rgba(5, 7, 12, 0.76);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(0, 194, 255, 0.55));
}

.logo-text h1 {
  font-size: 28px;
  line-height: 1;
  letter-spacing: 2.5px;
  font-weight: 800;
}

.logo-text h1 span {
  color: var(--blue);
}

.logo-text p {
  color: var(--silver);
  font-size: 12px;
  letter-spacing: 8px;
  margin-top: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  position: relative;
  padding: 12px 0;
  transition: color 0.25s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transform: translateX(-50%);
  transition: width 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--cyan);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.header-btn {
  border: 1px solid var(--gold);
  border-radius: 6px;
  padding: 15px 24px;
  color: var(--gold);
  font-size: 15px;
  font-weight: 700;
  transition: 0.25s ease;
  white-space: nowrap;
}

.header-btn:hover {
  background: var(--gold);
  color: var(--black);
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.35);
}

.menu-btn {
  display: none;
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 24px;
}

/* HERO */
.services-hero {
  min-height: 660px;
  padding: 80px 54px 72px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.services-hero::before {
  content: "";
  position: absolute;
  width: 850px;
  height: 850px;
  right: -160px;
  top: -180px;
  background: radial-gradient(circle, rgba(0, 108, 255, 0.24), transparent 62%);
  z-index: -1;
}

.section-tag {
  color: var(--cyan);
  font-weight: 800;
  letter-spacing: 2.5px;
  font-size: 14px;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.services-hero h2 {
  font-size: clamp(50px, 7vw, 88px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -1.8px;
  margin-bottom: 30px;
}

.services-hero h2 span {
  display: block;
  color: var(--blue);
  text-shadow: 0 0 25px rgba(0, 108, 255, 0.35);
}

.services-hero p {
  color: var(--text-muted);
  font-size: 21px;
  line-height: 1.75;
  max-width: 720px;
  margin-bottom: 18px;
}

.hero-buttons {
  display: flex;
  gap: 18px;
  margin-top: 34px;
}

.primary-btn,
.secondary-btn {
  padding: 17px 30px;
  border-radius: 8px;
  font-weight: 800;
  font-size: 16px;
  display: inline-block;
  transition: 0.25s ease;
}

.primary-btn {
  background: linear-gradient(135deg, #0a77ff, #1B3A6B);
  color: var(--white);
  box-shadow: 0 18px 38px rgba(0, 108, 255, 0.25);
}

.primary-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 50px rgba(0, 108, 255, 0.38);
}

.secondary-btn {
  border: 1px solid var(--border);
  color: var(--white);
}

.secondary-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.services-hero-logo {
  display: flex;
  justify-content: center;
}

.services-hero-logo img {
  width: min(470px, 90%);
  filter:
    drop-shadow(0 0 25px rgba(0, 194, 255, 0.6))
    drop-shadow(0 0 70px rgba(0, 108, 255, 0.45));
}

/* SHARED */
.services-overview,
.specialty-section,
.process-section,
.industries-section,
.services-cta {
  padding: 70px 54px;
  border-bottom: 1px solid var(--border);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 42px;
}

.section-heading h3 {
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.1;
  margin-bottom: 18px;
}

.section-heading p {
  color: var(--text-muted);
  font-size: 19px;
  line-height: 1.7;
}

/* SERVICE CARDS */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  min-height: 470px;
  padding: 34px 26px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background:
    radial-gradient(circle at top, rgba(0, 108, 255, 0.08), transparent 42%),
    linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
  transition: 0.28s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 194, 255, 0.45);
  background:
    radial-gradient(circle at top, rgba(0, 194, 255, 0.13), transparent 44%),
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.025));
  box-shadow: 0 24px 70px rgba(0, 108, 255, 0.18);
}

.service-icon {
  color: var(--blue);
  font-size: 46px;
  margin-bottom: 28px;
}

.service-card h4 {
  font-size: 24px;
  margin-bottom: 18px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.65;
  margin-bottom: 22px;
}

.service-card ul {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.service-card li {
  color: var(--silver);
  font-size: 15px;
  line-height: 1.5;
  padding-left: 22px;
  position: relative;
}

.service-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 900;
}

.service-card a {
  color: var(--blue);
  font-weight: 800;
}

/* SPECIALTY */
.specialty-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
  background: linear-gradient(180deg, rgba(8, 15, 54, 0.6), rgba(5, 7, 12, 0.8));
}

.specialty-left h3 {
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.12;
  color: var(--silver);
  font-weight: 400;
}

.specialty-right {
  display: grid;
  gap: 22px;
}

.specialty-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,255,255,0.028);
  transition: 0.28s ease;
}

.specialty-item:hover {
  border-color: rgba(0, 194, 255, 0.45);
  background: rgba(0, 194, 255, 0.065);
  transform: translateX(8px);
}

.specialty-item span {
  color: var(--blue);
  font-size: 34px;
  font-weight: 900;
}

.specialty-item h4 {
  font-size: 24px;
  margin-bottom: 10px;
}

.specialty-item p {
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.65;
}

/* PROCESS */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 34px 26px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.02));
  min-height: 260px;
  transition: 0.28s ease;
}

.process-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 194, 255, 0.45);
  box-shadow: 0 24px 70px rgba(0, 108, 255, 0.18);
}

.process-card span {
  color: var(--blue);
  font-size: 38px;
  font-weight: 900;
}

.process-card h4 {
  font-size: 24px;
  margin: 24px 0 14px;
}

.process-card p {
  color: var(--text-muted);
  line-height: 1.65;
  font-size: 16px;
}

/* INDUSTRIES */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.industry-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 30px;
  font-size: 22px;
  font-weight: 800;
  color: var(--silver);
  background: rgba(255,255,255,0.035);
  transition: 0.28s ease;
}

.industry-card:hover {
  color: var(--cyan);
  border-color: rgba(0, 194, 255, 0.45);
  background: rgba(0, 194, 255, 0.07);
  transform: translateY(-6px);
}

/* CTA */
.services-cta {
  text-align: center;
  background: radial-gradient(circle at center, rgba(0, 108, 255, 0.18), transparent 50%);
}

.services-cta h3 {
  max-width: 820px;
  margin: 0 auto 34px;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.15;
}

/* FOOTER */
.footer {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 44px 54px;
  border-top: 1px solid var(--soft-border);
  background: rgba(0, 0, 0, 0.34);
}

.footer-brand {
  display: flex;
  gap: 18px;
  align-items: center;
}

.footer-brand img {
  width: 78px;
  filter: drop-shadow(0 0 18px rgba(0, 194, 255, 0.45));
}

.footer-brand h3 {
  font-size: 28px;
  letter-spacing: 2px;
}

.footer-brand h3 span {
  color: var(--blue);
}

.footer-brand p,
.footer-copy p,
.footer-copy a {
  color: var(--silver);
  font-size: 14px;
  line-height: 1.7;
}

.footer-links h4 {
  color: var(--cyan);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  color: var(--silver);
  margin-bottom: 12px;
  font-size: 14px;
}

.footer-links a:hover,
.footer-copy a:hover {
  color: var(--cyan);
}

.footer-copy {
  align-self: end;
}

/* RESPONSIVE */
@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .nav-links {
    position: fixed;
    top: 92px;
    right: -100%;
    width: 290px;
    height: calc(100vh - 92px);
    background: rgba(5, 7, 12, 0.96);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: flex-start;
    padding: 40px;
    transition: right 0.3s ease;
  }

  .nav-links.open {
    right: 0;
  }

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

  .header-btn {
    display: none;
  }

  .services-hero,
  .specialty-section {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .services-hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .services-grid,
  .process-grid,
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 720px) {
  .site-header {
    padding: 18px 22px;
  }

  .site-logo {
    width: 54px;
    height: 54px;
  }

  .logo-text h1 {
    font-size: 20px;
  }

  .logo-text p {
    font-size: 9px;
    letter-spacing: 5px;
  }

  .services-hero,
  .services-overview,
  .specialty-section,
  .process-section,
  .industries-section,
  .services-cta {
    padding-left: 24px;
    padding-right: 24px;
  }

  .services-hero h2 {
    font-size: 46px;
  }

  .services-hero p {
    font-size: 17px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .services-grid,
  .process-grid,
  .industries-grid {
    grid-template-columns: 1fr;
  }

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

  .footer {
    grid-template-columns: 1fr;
    padding: 38px 24px;
  }
}