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

body {
  background: #000;
  color: #fff;
  min-height: 100vh;
}

.background {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at top left, rgba(229,9,20,0.5), transparent 40%),
    radial-gradient(circle at 80% 25%, rgba(60,20,100,0.45), transparent 45%),
    #000;
}

/* NAVBAR */
.navbar {
  padding: 22px 48px;
}

.logo {
  font-size: 30px;
  font-weight: 900;
}

.logo span {
  color: #e50914;
}

/* ROW */
.row {
  position: relative;
  padding: 20px 48px;
}

.row h2 {
  margin-bottom: 14px;
}

/* SLIDER */
.slider {
  display: flex;
  gap: 18px;
  overflow-x: auto;
}

.slider::-webkit-scrollbar {
  display: none;
}

/* CARD */
.card {
  min-width: 260px;
  height: 280px;
  background-size: cover;
  background-position: center;
  border-radius: 14px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform .35s ease, box-shadow .35s ease;
  box-shadow: 0 12px 30px rgba(0,0,0,.7);
}

.card:hover {
  transform: scale(1.08);
  z-index: 5;
  box-shadow:
    0 20px 45px rgba(0,0,0,.85),
    0 0 20px rgba(229,9,20,.45);
}
/* INFO */
.info {
  position: absolute;
  bottom: 0;
  padding: 16px;
  z-index: 2;
  opacity: 1;                 /* ⭐ SỬA Ở ĐÂY */
  transform: translateY(0);   /* ⭐ SỬA Ở ĐÂY */
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.75), transparent);

  pointer-events: none;   /* ⭐ BẮT BUỘC */
}







.info p {
  color: #f5c518;
  margin-bottom: 10px;
}

.info button {
  background: #e50914;
  border: none;
  padding: 8px 16px;
  color: #fff;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  z-index: 5;
}

/* ARROWS */
.arrow {
  position: absolute;
  top: 55%;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,.7);
  color: #fff;
  cursor: pointer;
}

.arrow.left { left: 10px; }
.arrow.right { right: 10px; }

/* POPUP */
.popup {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.popup-box {
  background: #111;
  padding: 24px;
  border-radius: 14px;
  width: 320px;
  position: relative;
}

.close {
  position: absolute;
  top: 10px;
  right: 14px;
  cursor: pointer;
}

.zalo-input {
  width: 100%;
  padding: 10px;
  margin: 12px 0;
  border-radius: 6px;
  border: none;
}

/* BUTTONS */
.pay-btn {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg,#4caf50,#2e7d32);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
}

.copy-btn {
  width: 100%;
  margin-top: 10px;
  padding: 10px;
  background: #333;
  border: none;
  border-radius: 8px;
  color: #fff;
  font-weight: bold;
}

/* CHECKOUT */
.checkout-box {
  max-width: 420px;
  margin: 80px auto;
  background: #111;
  padding: 24px;
  border-radius: 14px;
}

/* MOBILE */
@media (max-width:768px) {
  .arrow { display: none; }
  .card:hover { transform: none; }
}
/* ================= MOBILE: LUÔN HIỆN INFO ================= */
@media (max-width: 768px) {
  .info {
    opacity: 1 !important;
    transform: translateY(0) !important;
  }

  .card::after {
    background: linear-gradient(
      to top,
      rgba(0,0,0,0.75),
      rgba(0,0,0,0.4),
      transparent
    );
  }
}
/* ================= QR FIX ================= */
.qr-box {
  margin: 20px auto;
  padding: 16px;
  background: #fff;
  border-radius: 14px;
  max-width: 300px;   /* QUAN TRỌNG */
  text-align: center;
}

.qr-box h3 {
  color: #000;
  margin-bottom: 10px;
  font-size: 16px;
}

.qr-box p {
  color: #444;
}

.qr-box img {
  display: block;
  width: 100%;
  max-width: 260px;   /* QUAN TRỌNG */
  height: auto;
  margin: 0 auto;
  background: #fff;
  border-radius: 10px;
}
/* ================= HOME PAGE ================= */
.home-box {
  max-width: 500px;
  margin: 140px auto;
  background: rgba(0,0,0,0.75);
  padding: 40px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 30px 60px rgba(0,0,0,0.8);
}

.home-box h1 {
  font-size: 42px;
  margin-bottom: 16px;
}

.home-box p {
  font-size: 18px;
  opacity: 0.85;
  margin-bottom: 30px;
}

.buy-now {
  padding: 16px 40px;
  font-size: 20px;
  font-weight: 700;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, #e50914, #b20710);
  transition: transform .3s ease, box-shadow .3s ease;
}

.buy-now:hover {
  transform: scale(1.08);
  box-shadow: 0 0 30px rgba(229,9,20,0.6);
}

/* Mobile */
@media (max-width:768px) {
  .home-box {
    margin: 100px 16px;
    padding: 30px;
  }

  .home-box h1 {
    font-size: 32px;
  }
}
/* ================= BENEFITS ================= */
.benefits {
  max-width: 1100px;
  margin: 120px auto 80px;
  padding: 0 20px;
  text-align: center;
}

.benefits h2 {
  font-size: 30px;
  margin-bottom: 40px;
  font-weight: 800;
}

/* GRID */
.benefit-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* BOX */
.benefit-item {
  background: linear-gradient(
    135deg,
    rgba(20,20,20,0.85),
    rgba(10,10,10,0.85)
  );
  padding: 26px 22px;
  border-radius: 18px;
  font-size: 16px;
  line-height: 1.5;
  text-align: center;
  cursor: default;

  /* animation */
  transition: transform .35s ease, box-shadow .35s ease, border .35s ease;
  box-shadow: 0 18px 40px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.06);
}

/* HOVER */
.benefit-item:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow:
    0 30px 60px rgba(0,0,0,0.9),
    0 0 30px rgba(229,9,20,0.35);
  border: 1px solid rgba(229,9,20,0.6);
}

/* MOBILE */
@media (max-width: 900px) {
  .benefit-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .benefit-list {
    grid-template-columns: 1fr;
  }

  .benefit-item {
    padding: 22px;
    font-size: 15px;
  }
}

/* ================= CONTACT ================= */
.contact {
  max-width: 700px;
  margin: 80px auto 120px;
  padding: 40px 20px;
  background: rgba(0,0,0,0.75);
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0,0,0,0.8);
}

.contact h2 {
  font-size: 26px;
  margin-bottom: 12px;
}

.contact p {
  font-size: 16px;
  opacity: 0.85;
  margin-bottom: 24px;
}

.zalo-btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #00b14f, #008a3b);
  transition: transform .3s ease, box-shadow .3s ease;
}

.zalo-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 0 25px rgba(0,177,79,0.6);
}

/* MOBILE */
@media (max-width:768px) {
  .benefits h2,
  .contact h2 {
    font-size: 22px;
  }

  .zalo-btn {
    width: 100%;
  }
}
.logo {
  font-size: 30px;
  font-weight: 900;
  color: #fff;
  text-decoration: none;
}

.logo span {
  color: #e50914;
}
/* ================= CHECKOUT LOGO ================= */
.checkout-logo {
  display: block;
  text-align: center;
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  text-decoration: none;
  margin-bottom: 14px;
}

.checkout-logo span {
  color: #e50914;
}

.checkout-logo:hover {
  text-shadow: 0 0 20px rgba(229,9,20,0.6);
}