* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #070914;
  color: #f4f7ff;
  line-height: 1.6;
}

a {
  color: inherit;
}

.hero {
  min-height: 92vh;
  background:
    radial-gradient(circle at 20% 25%, rgba(73, 108, 255, 0.35), transparent 30%),
    radial-gradient(circle at 80% 20%, rgba(174, 72, 255, 0.25), transparent 28%),
    linear-gradient(180deg, rgba(7, 9, 20, 0.55), #070914),
    url("hero.jpg");
  background-size: cover;
  background-position: center;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(#ffffff 0.6px, transparent 0.6px),
    radial-gradient(#ffffff 0.5px, transparent 0.5px);
  background-size: 90px 90px, 140px 140px;
  background-position: 0 0, 30px 40px;
  opacity: 0.25;
  pointer-events: none;
}

.nav {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 7vw;
  align-items: center;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.links a {
  text-decoration: none;
  opacity: 0.86;
}

.links a:hover {
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding: 16vh 7vw 10vh;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: #a9b7ff;
  font-size: 0.85rem;
}

h1 {
  font-size: clamp(3rem, 9vw, 7rem);
  line-height: 0.95;
  margin: 0 0 20px;
}

.subtitle {
  max-width: 720px;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  color: #dbe2ff;
}

.button {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 24px;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 999px;
  text-decoration: none;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}

.intro,
.section {
  padding: 80px 7vw;
  max-width: 1180px;
  margin: 0 auto;
}

.intro {
  text-align: center;
  max-width: 900px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0 0 20px;
}

.section-text {
  color: #c9d2f6;
  max-width: 760px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 34px;
}

.card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  overflow: hidden;
  padding-bottom: 18px;
}

.placeholder {
  height: 220px;
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  letter-spacing: 0.08em;
  color: #ffffff;
  background:
    radial-gradient(circle at 40% 40%, rgba(111,143,255,0.75), transparent 26%),
    radial-gradient(circle at 65% 55%, rgba(255,116,217,0.35), transparent 28%),
    linear-gradient(135deg, #101735, #03040a);
}

.card h3,
.card p {
  padding: 0 20px;
}

.card p {
  color: #c9d2f6;
}

.dark {
  max-width: none;
  background: #0d1124;
}

.dark > * {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

.columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.contact a {
  color: #a9b7ff;
  font-size: 1.2rem;
}

footer {
  text-align: center;
  padding: 34px 7vw;
  color: #aeb8dd;
  border-top: 1px solid rgba(255,255,255,0.1);
}

@media (max-width: 800px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero-content {
    padding-top: 10vh;
  }
}