body {
  margin: 0;
  font-family: system-ui, Arial, sans-serif;
  background: #fff0f6;          /* nền hồng nhạt */
  color: #4a0d2a;
}

/* HERO */
.hero {
  background: linear-gradient(135deg, #ff5fa2, #ff8ccf);
  color: #ffffff;
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.95;
}

/* SECTION */
.section {
  padding: 60px 20px;
  max-width: 960px;
  margin: auto;
}

/* BUTTON */
.btn {
  display: inline-block;
  padding: 12px 26px;
  background: #ff4d94;
  color: #ffffff;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn:hover {
  background: #e60073;
  transform: translateY(-2px);
}

.btn.zalo {
  background: #ff85b3;
}

/* LIST */
ul {
  list-style: none;
  padding: 0;
}

ul li {
  margin: 10px 0;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 20px;
  background: #ff5fa2;
  color: white;
  font-size: 0.9rem;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
}


/* BACKGROUND CHUNG */
body {
  margin: 0;
  font-family: system-ui, Arial, sans-serif;
  color: #4a0d2a;
  body {
  margin: 0;
  font-family: system-ui, Arial, sans-serif;
  color: #4a0d2a;

  /* BACKGROUND ẢNH MỜ */
  background:
    linear-gradient(
      rgba(255, 245, 250, 0.88),
      rgba(255, 245, 250, 0.88)
    ),
    url("../assets/landing.jpg") center / cover no-repeat fixed;
}


/* HERO NỔI HƠN */
.hero {
  background: linear-gradient(135deg, #ff5fa2, #ff8ccf);
  color: #fff;
  text-align: center;
  padding: 90px 20px;
  border-radius: 0 0 24px 24px;
  box-shadow: 0 20px 40px rgba(255, 95, 162, 0.25);
}

/* SECTION NỀN TRẮNG MỜ */
.section {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(6px);
  border-radius: 18px;
  padding: 60px 24px;
  max-width: 960px;
  margin: 40px auto;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

/* NÚT NỔI */
.btn {
  display: inline-block;
  padding: 12px 28px;
  background: #ff4d94;
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(255,77,148,0.35);
  transition: all .2s ease;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255,77,148,0.45);
}

/* FOOTER */
footer {
  background: #ff5fa2;
  color: #fff;
  text-align: center;
  padding: 22px;
  margin-top: 60px;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero { padding: 70px 16px; }
  .section { margin: 24px 12px; }
}

/* HERO CHIA 2 CỘT */
.hero-split{
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0;
  min-height: 70vh;
}

/* CỘT TRÁI */
.hero-text{
  flex: 1;
  padding: 80px 40px;
  color: #fff;
  background: linear-gradient(135deg,#ff5fa2,#ff8ccf);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* CỘT PHẢI – VIDEO */
.hero-video-box{
  flex: 1;
  overflow: hidden;
}

.hero-video-box video{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* MOBILE: XẾP DỌC */
@media(max-width:768px){
  .hero-split{
    flex-direction: column;
    min-height: auto;
  }
  .hero-video-box{
    height: 40vh;
  }
}