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

:root {
  --bg: #070b14;
  --panel: #0e1524;
  --text: #f4f7fb;
  --muted: #aab4c7;
  --accent: #7c5cff;
  --accent2: #22d3ee;
  --border: rgba(255,255,255,.10);
}

html { scroll-behavior: smooth; }

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 7%;
  background: rgba(7,11,20,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.logo { font-size: 1.35rem; font-weight: 800; letter-spacing: -.5px; }
.logo span { color: var(--accent2); }

.nav { display: flex; gap: 28px; color: var(--muted); }
.nav a:hover { color: var(--text); }

.menu-toggle {
  display: none;
  background: none;
  color: var(--text);
  border: 0;
  font-size: 1.5rem;
}

.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 50px;
  align-items: center;
  padding: 80px 7%;
  background:
    radial-gradient(circle at 75% 40%, rgba(124,92,255,.20), transparent 30%),
    radial-gradient(circle at 15% 70%, rgba(34,211,238,.10), transparent 25%);
}

.eyebrow {
  color: var(--accent2);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

h1 {
  max-width: 760px;
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: .98;
  letter-spacing: -4px;
}

h1 span {
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text {
  max-width: 600px;
  color: var(--muted);
  font-size: 1.08rem;
  margin: 28px 0;
}

.buttons { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  border: 0;
  border-radius: 12px;
  padding: 13px 20px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s, opacity .2s;
}

.btn:hover { transform: translateY(-2px); opacity: .92; }
.primary { background: var(--text); color: var(--bg); }
.secondary { border: 1px solid var(--border); color: var(--text); }

.hero-card {
  min-height: 390px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: end;
  padding: 35px;
}

.orb {
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  filter: blur(2px);
  top: 55px;
  right: 45px;
  opacity: .8;
  box-shadow: 0 0 100px rgba(124,92,255,.35);
}

.card-content { position: relative; z-index: 1; }
.card-content span { color: var(--muted); }
.card-content h2 { font-size: 2rem; margin-top: 8px; }

.section { padding: 100px 7%; }
.section-heading { max-width: 760px; margin-bottom: 45px; }
.section-heading h2 { font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -2px; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  color: var(--muted);
  font-size: 1.05rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px;
  min-height: 240px;
}

.number { color: var(--accent2); font-weight: 800; }
.service-card h3 { font-size: 1.5rem; margin: 45px 0 10px; }
.service-card p { color: var(--muted); }

.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  padding: 45px;
  border: 1px solid var(--border);
  border-radius: 25px;
  background: var(--panel);
}

.contact-box h2 { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.05; margin-bottom: 18px; }
.contact-box p { color: var(--muted); }

form { display: grid; gap: 12px; }
input, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  background: #080d18;
  color: var(--text);
  font: inherit;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--accent2); }
.form-message { min-height: 24px; font-size: .9rem; }

footer {
  border-top: 1px solid var(--border);
  padding: 25px 7%;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 800px) {
  .header { padding: 16px 5%; }
  .menu-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 5%;
    right: 5%;
    padding: 20px;
    flex-direction: column;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
  }
  .nav.open { display: flex; }
  .hero { grid-template-columns: 1fr; padding: 70px 5%; }
  h1 { letter-spacing: -2px; }
  .hero-card { min-height: 300px; }
  .section { padding: 75px 5%; }
  .about-grid, .cards, .contact-box { grid-template-columns: 1fr; }
  .contact-box { padding: 28px; }
}