body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  background: #f0f0f0;
  color: #333;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: white;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.logo {
  height: 60px;
}
nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #0072c6;
  font-weight: 600;
}
.hero {
  background: url('hero_background_web.png') center/cover no-repeat;
  padding: 5rem 2rem;
  color: white;
  text-align: center;
  position: relative;
}
.hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0,0,0,0.4);
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}
.hero p {
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 1.5rem;
}
.tiles {
  padding: 2rem;
}
.tiles h2 {
  text-align: center;
  margin-bottom: 1rem;
}
.intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 2rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}
.tile {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.tile:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.support-section {
  text-align: center;
  padding: 3rem 2rem 2rem;
  background: #ffffff;
  margin-top: 2rem;
}
.support-buttons {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.os-btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background: #000;
  color: white;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.2s ease;
}
.os-btn:hover {
  background: #444;
}
section#contact {
  text-align: center;
  padding: 2rem;
}
footer {
  text-align: center;
  padding: 1rem;
  background: #0072c6;
  color: white;
}

.phone-img {
  margin-top: 1rem;
  max-width: 100%;
  height: auto;
}

.os-btn.android {
  background: #000000;
}
.os-btn.ios {
  background: #000000;
}
.os-btn.android:hover,
.os-btn.ios:hover {
  opacity: 0.9;
}