/* RESET */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #ffffff;
  color: #111;
}

/* NAVBAR */
.nav {
  display: flex;
  align-items: center;
  padding: 12px 24px;
  border-bottom: 1px solid #eee;
}

.nav-logo {
  width: 35px;
  height: auto;
}

.nav-title {
  margin-left: 10px;
  font-weight: 600;
  font-size: 18px;
}

/* HERO */
.hero {
  text-align: center;
  padding: 40px 20px;
}

/* MAIN LOGO FIX */
.logo {
  width: 80px;          /* 👈 main control */
  max-width: 100%;
  height: auto;
  margin-bottom: 15px;
}

/* HEADINGS */
h1 {
  font-size: 30px;
  margin: 10px 0;
}

.subtitle {
  color: #666;
  margin-bottom: 20px;
  font-size: 15px;
}

/* BUTTON */
.btn {
  display: inline-block;
  padding: 14px 26px;
  background: #e63946;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: 0.3s;
}

.btn:hover {
  background: #c92c3a;
}

/* FEATURES */
.features {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 30px 20px;
  flex-wrap: wrap;
}

.card {
  width: 240px;
  padding: 18px;
  border: 1px solid #eee;
  border-radius: 10px;
  background: #fafafa;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  margin-bottom: 10px;
}

/* INSTALL SECTION */
.install {
  padding: 40px 20px;
  text-align: center;
}

.install h2 {
  margin-bottom: 10px;
}

.install-text {
  color: #666;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.steps li {
  margin: 8px 0;
}

/* VIDEO */
.video iframe {
  width: 100%;
  max-width: 320px;
  height: 180px;
  border-radius: 10px;
}

/* MESSAGE */
.message-box {
  text-align: center;
  padding: 30px 20px;
  color: #555;
  font-size: 14px;
}

/* MOBILE OPTIMIZATION */
@media (max-width: 600px) {
  .logo {
    width: 70px;
  }

  h1 {
    font-size: 24px;
  }

  .card {
    width: 100%;
  }
}