* {
  box-sizing: border-box;
}

:root {
  --bg: #05090d;
  --text: #e9f5f3;
  --muted: #a8c3bf;
  --aqua: #5fd1c2;
  --aqua-soft: rgba(95, 209, 194, 0.18);
  --glass: rgba(255, 255, 255, 0.065);
  --border: rgba(126, 255, 232, 0.18);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: radial-gradient(
    circle at 50% 0%,
    #12352f 0,
    #061014 42%,
    #030609 100%
  );
  color: var(--text);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;

  background:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);

  background-size: 52px 52px;

  mask-image: linear-gradient(
    to bottom,
    black,
    transparent 75%
  );
}

.background-layer {
  position: fixed;
  border-radius: 999px;
  filter: blur(70px);
  opacity: .35;
  pointer-events: none;
  z-index: -1;
}

.layer-one {
  width: 420px;
  height: 420px;
  background: rgba(95,209,194,.35);

  top: 10%;
  left: 5%;
}

.layer-two {
  width: 520px;
  height: 520px;
  background: rgba(39,120,110,.25);

  right: 5%;
  bottom: 5%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 20px 50px;

  background: rgba(5,9,13,.75);
  backdrop-filter: blur(18px);

  border-bottom: 1px solid rgba(255,255,255,.05);
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
}

nav {
  display: flex;
  gap: 18px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
}

nav a:hover {
  color: var(--aqua);
}

.section {
  width: min(1150px, calc(100% - 40px));
  margin: 0 auto;
  padding: 90px 0;
}

.hero {
  min-height: 80vh;

  display: flex;
  justify-content: center;
  align-items: center;
}

.glass {
  background: var(--glass);

  border: 1px solid var(--border);

  backdrop-filter: blur(18px);

  box-shadow: var(--shadow);
}

.hero-card {
  width: min(900px, 100%);

  text-align: center;

  border-radius: 30px;

  padding: 60px;
}

.eyebrow,
.section-label,
.project-type {
  color: var(--aqua);

  text-transform: uppercase;

  letter-spacing: .15em;

  font-size: .8rem;
  font-weight: 700;
}

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

h1 {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  line-height: 1.05;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
}

h3 {
  font-size: 1.2rem;
}

p,
li {
  color: var(--muted);
  line-height: 1.8;
}

.hero-text {
  max-width: 700px;
  margin: auto;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 15px;

  margin-top: 30px;

  flex-wrap: wrap;
}

.btn {
  text-decoration: none;

  border-radius: 999px;

  padding: 12px 22px;

  font-weight: 700;
}

.btn.primary {
  background: linear-gradient(
    135deg,
    var(--aqua),
    #9af4e8
  );

  color: #03211d;
}

.btn.secondary {
  color: white;

  border: 1px solid var(--border);
}

.split {
  display: grid;

  grid-template-columns: .9fr 1.3fr;

  gap: 50px;
}

.content-card,
.contact-card {
  padding: 35px;
  border-radius: 25px;
}

.grid {
  display: grid;
  gap: 18px;
}

.cards {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  padding: 25px;

  border-radius: 25px;

  min-height: 220px;
}

.project-card {
  min-height: 260px;
}

.tags {
  display: flex;
  flex-wrap: wrap;

  gap: 8px;

  margin-top: 15px;
}

.tags span {
  background: var(--aqua-soft);

  color: var(--aqua);

  border-radius: 999px;

  padding: 5px 10px;

  font-size: .75rem;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  padding: 28px;
  border-radius: 25px;
}

.timeline-item span {
  color: var(--aqua);
  font-weight: 700;
}

.service-list {
  padding-left: 20px;
}

.contact-card {
  max-width: 850px;
  margin: auto;
}

.contact a {
  color: var(--aqua);
}

footer {
  display: flex;
  justify-content: space-between;

  padding: 25px 50px;

  border-top: 1px solid rgba(255,255,255,.05);

  color: var(--muted);
}

@media (max-width: 920px) {

  .site-header {
    flex-direction: column;
    gap: 15px;

    padding: 20px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .split,
  .cards {
    grid-template-columns: 1fr;
  }

  .hero-card {
    padding: 35px;
  }

  footer {
    flex-direction: column;
    gap: 10px;
  }
}