/* ===== GLOBAL ===== */
:root {
  --primary: rgb(197, 32, 33);
  --bg: rgb(10, 13, 15);
  --white: #fff;
  --btn-width: 220px;
  --btn-height: 48px;
}



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

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(135deg, rgb(10, 13, 15), rgb(10, 13, 15));
  color: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

.download-app {
  padding: 120px 0;
  background: linear-gradient(180deg, #0f0f14, #14141c);
}

.download-title {
  text-align: center;
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 15px;
}

.download-subtitle {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 70px;
  color: #aaa;
}

.download-vertical {
  display: flex;
  flex-direction: column;
  gap: 25px;
  max-width: 900px;
  margin: 0 auto;
}

.download-item {
  background: #1a1a23;
  padding: 30px 35px;
  border-radius: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: .3s ease;
}

.download-item:hover {
  border-color: rgb(197, 32, 33);
  box-shadow: 0 0 40px rgba(197, 32, 33, 0.25);
  transform: translateY(-5px);
}

.download-left {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 70%;
}

.platform-icon {
  width: 40px;
  height: 40px;
  color: rgb(197, 32, 33);
}

.download-item h3 {
  color: #fff;
  margin-bottom: 6px;
}

.download-item p {
  color: #aaa;
  font-size: 14px;
}

.btn-download {
  width: 220px;
  /* Cố định chiều ngang */
  height: 48px;
  /* Cố định chiều cao */
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(197, 32, 33);
  color: #fff;
  font-weight: 700;
  border-radius: 6px;
  text-decoration: none;
  transition: .3s ease;
  flex-shrink: 0;
  /* Không bị co lại */
}

.btn-download:hover {
  background: #ff2e2f;
  box-shadow: 0 0 25px rgba(255, 0, 0, 0.6);
  transform: scale(1.07);
}

/* Responsive */
@media(max-width:768px) {
  .download-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .download-left {
    max-width: 100%;
  }

  .btn-download {
    width: 100%;
    text-align: center;
  }
}