:root {
  --bg: #10151a;
  --bg-soft: #161d24;
  --panel: #1d2630;
  --text: #f4f7fa;
  --muted: #a8b4c0;
  --line: rgba(255, 255, 255, 0.12);
  --blue: #65bce7;
  --blue-dark: #256f9b;
  --silver: #d8dde3;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 12%, rgba(101, 188, 231, 0.16), transparent 30%),
    linear-gradient(135deg, #0c1014 0%, #151c23 52%, #0d1116 100%);
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 75%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(14, 19, 24, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: min(220px, 48vw);
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.main-nav a {
  padding: 10px 12px;
  border-radius: 6px;
  transition: color 180ms ease, background 180ms ease;
}

.main-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  align-items: center;
  min-height: calc(100vh - 88px);
  gap: clamp(30px, 6vw, 80px);
  padding: clamp(56px, 8vw, 112px) clamp(20px, 5vw, 72px) 44px;
}

.hero-content {
  max-width: 760px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(3.4rem, 9vw, 7rem);
  line-height: 0.88;
  letter-spacing: 0;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.16rem;
  line-height: 1.25;
}

.lead {
  max-width: 680px;
  color: var(--silver);
  font-size: clamp(1.12rem, 2vw, 1.45rem);
}

.hero-actions,
.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #081118;
  background: linear-gradient(135deg, var(--blue), var(--silver));
  box-shadow: 0 14px 36px rgba(101, 188, 231, 0.24);
}

.button.secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.hero-logo {
  position: relative;
}

.hero-logo::before {
  position: absolute;
  inset: -10%;
  z-index: -1;
  content: "";
  border: 1px solid rgba(101, 188, 231, 0.22);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(101, 188, 231, 0.12), rgba(255, 255, 255, 0.04));
  transform: rotate(-3deg);
}

.hero-logo img {
  display: block;
  width: 100%;
  filter: drop-shadow(0 24px 34px rgba(0, 0, 0, 0.42));
}

.intro,
.services,
.technology-band,
.service-section,
.footer {
  padding: clamp(54px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(28px, 5vw, 72px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.intro p,
.split p,
.technology-band p,
.footer p,
.service-card p {
  color: var(--muted);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 290px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(29, 38, 48, 0.78);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.18);
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 34px;
  border: 1px solid rgba(101, 188, 231, 0.44);
  border-radius: 6px;
  color: var(--blue);
  font-weight: 800;
}

.technology-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 0.78fr);
  align-items: center;
  gap: clamp(30px, 6vw, 72px);
  background:
    linear-gradient(120deg, rgba(37, 111, 155, 0.28), rgba(255, 255, 255, 0.035)),
    var(--bg-soft);
}

.band-content {
  max-width: 820px;
}

.stats {
  display: grid;
  gap: 12px;
}

.stats div {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(10, 15, 20, 0.5);
}

.stats strong {
  display: block;
  color: var(--blue);
  font-size: 2.2rem;
  line-height: 1;
}

.stats span {
  color: var(--silver);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 0.64fr);
  gap: clamp(28px, 5vw, 64px);
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 15px 16px 15px 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.check-list li::before {
  position: absolute;
  top: 15px;
  left: 16px;
  color: var(--blue);
  content: "✓";
  font-weight: 800;
}

.footer {
  justify-content: space-between;
  border-top: 1px solid var(--line);
  background: #0b0f13;
}

.footer div {
  max-width: 720px;
}

.footer h2 {
  margin-bottom: 12px;
}

@media (max-width: 1040px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .main-nav {
    justify-content: flex-start;
  }

  .hero,
  .intro,
  .technology-band,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-logo {
    max-width: 560px;
  }
}

@media (max-width: 620px) {
  .brand {
    width: 190px;
  }

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

  .service-card {
    min-height: auto;
  }

  .button {
    width: 100%;
  }
}