:root {
  --primary: #0a0f2c;
  --accent: #00b4ff;
  --bg: #f5f7fa;
  --text: #333;
  --white: #ffffff;
}

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

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

.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
}

/* HEADER */
.header {
  background: var(--primary);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  font-size: 1.4rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.nav a {
  color: var(--white);
  text-decoration: none;
  margin-left: 20px;
  font-size: 0.95rem;
}

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--primary), #111b4a);
  color: var(--white);
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.hero span {
  color: var(--accent);
}

.hero p {
  max-width: 600px;
  margin: 0 auto 30px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--primary);
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
}

/* SECTIONS */
.section {
  padding: 70px 0;
}

.section h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2rem;
}

.dark {
  background: var(--primary);
  color: var(--white);
}

/* ABOUT */
.company-data {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 15px;
  margin-top: 30px;
}

/* SERVICES */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.service {
  background: rgba(255,255,255,0.05);
  padding: 25px;
  border-radius: 12px;
}

/* CONTACT */
.contact-box {
  text-align: center;
  font-size: 1.05rem;
}

/* FOOTER */
.footer {
  background: #000;
  color: #aaa;
  text-align: center;
  padding: 20px 0;
  font-size: 0.85rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .nav a {
    margin-left: 12px;
  }
}