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

body {
  font-family: "Segoe UI", sans-serif;
  color: #333;
  background-color: #f9f9f9;
  line-height: 1.6;
}

/* HERO */
.hero {
  background: linear-gradient(to right, #111, #444);
  color: white;
  text-align: center;
  padding: 6rem 2rem;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
}
.hero .subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.hero .tagline {
  margin-bottom: 2rem;
  opacity: 0.9;
}
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.3s ease;
  cursor: pointer;
}
.btn-primary {
  background-color: #2563eb;
  color: white;
  border: none;
}
.btn-primary:hover {
  background-color: #1d4ed8;
  transform: scale(1.05);
}
.btn-outline {
  background: transparent;
  border: 2px solid white;
  color: white;
}
.btn-outline:hover {
  background: white;
  color: #222;
}

/* SECTIONS */
section {
  padding: 4rem 2rem;
}
.about, .why, .services {
  background: white;
}
.about h2, .services h2, .why h2, .contact h2 {
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 2rem;
}
.about p {
  max-width: 800px;
  margin: auto;
  font-size: 1.1rem;
  color: #555;
}

/* CARDS */
.cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  max-width: 1100px;
  margin: 2rem auto 0;
}
.card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  text-align: center;
  transition: all 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}
.card .icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* CONTACT */
.contact {
  background: #111;
  color: white;
  text-align: center;
}
.contact p {
  max-width: 700px;
  margin: 1rem auto;
  opacity: 0.9;
}
.contact-info p {
  opacity: 0.8;
  font-size: 0.9rem;
}

/* FOOTER */
footer {
  background: #222;
  color: #aaa;
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
}
section {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}
section.visible {
  opacity: 1;
  transform: translateY(0);
}