* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  transition: background 0.3s, color 0.3s;
}

:root {
  --bg: #0d1117;
  --text: #ffffff;
  --accent: #00bfff;
}

.light {
  --bg: #ffffff;
  --text: #111111;
  --accent: #0077ff;
}

.navbar {
  position: fixed;
  width: 100%;
  top: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 50px;
  backdrop-filter: blur(8px);
  z-index: 100;
}

.logo {
  font-size: 1.5em;
  font-weight: 700;
}
.logo span { color: var(--accent); }

.navbar nav a {
  color: var(--text);
  margin: 0 15px;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}
.navbar nav a:hover { color: var(--accent); }

#modeToggle {
  border: none;
  background: none;
  color: var(--text);
  cursor: pointer;
  font-size: 1.2em;
}

.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('assets/bg.jpg') center/cover no-repeat;
  padding: 0 20px;
}

.hero-content h1 {
  font-size: 3em;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: 25px;
  margin-top: 20px;
  text-decoration: none;
  transition: background 0.3s;
}
.btn:hover { background: #0095dd; }

section {
  padding: 100px 20px;
  text-align: center;
}

.service-boxes, .testimonial-boxes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.service, .testimonial {
  background: rgba(255,255,255,0.05);
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.contact form {
  max-width: 500px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.contact input, .contact textarea {
  padding: 10px;
  border: none;
  border-radius: 8px;
  outline: none;
}
footer {
  padding: 20px;
  background: #000;
  text-align: center;
  color: #888;
}