/* General Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #0D1117;
  color: #E6EDF3;
  line-height: 1.6;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(13, 17, 23, 0.9);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 3rem;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #00FFFF;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 2rem;
}

nav ul li a {
  text-decoration: none;
  color: #E6EDF3;
  font-weight: 500;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: #00FFFF;
}

/* Hero */
.hero {
  height: 100vh;
  background: linear-gradient(to bottom right, #001220, #003366);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}

.hero h1 {
  font-size: 2.8rem;
  color: #00FFFF;
  margin-bottom: 1rem;
}

.hero p {
  max-width: 600px;
  margin: 0 auto 2rem;
  color: #AABBCF;
}

.btn {
  background: #00FFFF;
  color: #0D1117;
  padding: 0.8rem 1.8rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s;
}

.btn:hover {
  background: #00bcd4;
}

/* About */
.about, .solutions, .contact {
  padding: 5rem 2rem;
  text-align: center;
}

.about h2, .solutions h2, .contact h2 {
  font-size: 2rem;
  color: #00FFFF;
  margin-bottom: 1.5rem;
}

.about p {
  max-width: 700px;
  margin: auto;
  color: #AABBCF;
}

/* Solutions */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: #111823;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 0 10px rgba(0,255,255,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 20px rgba(0,255,255,0.3);
}

.card h3 {
  color: #00FFFF;
  margin-bottom: 1rem;
}

/* Contact */
.contact-info a {
  color: #00FFFF;
  text-decoration: none;
}

.contact-info a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  text-align: center;
  padding: 1.5rem;
  background: #0B0F14;
  color: #AABBCF;
  border-top: 1px solid rgba(255,255,255,0.1);
}