:root {
  --ink: #1b2430;
  --muted: #5f6b7a;
  --line: #dbe2ea;
  --cyan: #20b8c8;
  --cyan-dark: #148a99;
  --surface: #f6f8fb;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, Arial, sans-serif;
  background: var(--white);
}

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

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0;
}

.brand img {
  display: block;
  width: clamp(150px, 18vw, 220px);
  height: auto;
  filter: brightness(0) invert(1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.92rem;
  font-weight: 600;
}

.nav-links a {
  transition: color 160ms ease;
}

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

.hero {
  position: relative;
  min-height: 88vh;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(115deg, rgba(9, 18, 31, 0.94), rgba(18, 31, 48, 0.82)),
    url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1800&q=80")
      center / cover;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(32, 184, 200, 0.12) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(115deg, #000, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  align-items: center;
  width: min(1120px, calc(100% - 40px));
  min-height: 88vh;
  margin: 0 auto;
  padding: 124px 0 74px;
}
.hero-copy{
  margin-top: 60px;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(2.35rem, 5.8vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.intro {
  max-width: 630px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.7;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 800;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #051016;
  background: var(--cyan);
}

.button.primary:hover {
  background: #35cad8;
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 82px 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 28px;
}

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

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

.service-grid article {
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 38px rgba(30, 42, 58, 0.08);
}

h3 {
  margin-bottom: 12px;
  font-size: 1.02rem;
}

.service-grid p,
.about p,
.footer p {
  color: var(--muted);
  line-height: 1.65;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 54px;
  border-top: 1px solid var(--line);
}

.about > p {
  margin: 32px 0 0;
  font-size: 1.08rem;
}

.footer {
  justify-content: space-between;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 40px 0 46px;
  border-top: 1px solid var(--line);
}

.footer img {
  width: 190px;
  height: auto;
}

.footer p {
  margin: 10px 0 0;
}

.footer-contact {
  display: grid;
  gap: 12px;
  max-width: 430px;
  color: var(--muted);
  font-style: normal;
  line-height: 1.55;
}

.footer-contact a,
.footer-contact div {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.footer-contact a {
  color: var(--ink);
  font-weight: 800;
}

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

.footer-contact svg {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  fill: none;
  stroke: var(--cyan-dark);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.footer .button.primary {
  color: var(--white);
  background: var(--ink);
}

@media (max-width: 840px) {
  .site-header {
    position: relative;
    width: 100%;
    padding: 18px 20px;
    background: #0c1725;
  }

  .nav-links {
    gap: 16px;
    font-size: 0.84rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-content,
  .about,
  .section-heading {
    display: block;
  }

  .hero-content {
    min-height: auto;
    padding: 56px 0 60px;
  }

  .hero-logo {
    width: min(280px, 78vw);
    margin-bottom: 36px;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

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

  .service-grid article {
    min-height: 0;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer .button {
    width: 100%;
  }
}