@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&family=Playfair+Display:wght@600&display=swap');

/* ===== RESET CƠ BẢN ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: #f4f7fb;
  color: #222;
}

/* ===== HEADER ===== */
#header {
  background: linear-gradient(90deg, #0a3d62, #1e6091);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 80px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  object-fit: cover;
}

.logo h2 {
  color: #fff;
  font-size: 22px;
  font-family: 'Playfair Display', serif;
  letter-spacing: 1px;
}

#menu ul {
  list-style: none;
}

#menu ul li {
  display: inline-block;
  margin: 0 15px;
}

#menu ul li a {
  color: #eaf8ff;
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  position: relative;
}

#menu ul li a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  background: #fff;
  bottom: -5px;
  left: 0;
  transition: 0.3s;
}

#menu ul li a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  color: white;
  font-size: 28px;
  cursor: pointer;
}

@media (max-width: 900px) {
  #menu {
    display: none;
    width: 100%;
    background: #1e6091;
    text-align: center;
    padding: 15px 0;
  }

  #menu ul li {
    display: block;
    margin: 15px 0;
  }

  .menu-toggle {
    display: block;
  }

  #menu.active {
    display: block;
    animation: fadeSlide 0.5s ease forwards;
  }
}

/* ===== ANIMATION MENU ===== */
@keyframes fadeSlide {
  from {opacity: 0; transform: translateY(-20px);}
  to {opacity: 1; transform: translateY(0);}
}

/* ===== NỘI DUNG CHÍNH ===== */
#content {
  padding: 80px 90px;
  background-color: #fff;
}

/* ===== ABOUT SECTION ===== */
.about-container {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #eaf6ff, #ffffff);
  border-radius: 25px;
  padding: 50px;
  gap: 50px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.about-image img {
  width: 280px;
  height: 280px;
  border-radius: 20px;
  object-fit: cover;
  border: 5px solid #1e6091;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
  transition: transform 0.4s ease;
}

.about-image img:hover {
  transform: scale(1.05);
}

.about-text {
  flex: 1;
}

.about-text h2 {
  font-family: 'Playfair Display', serif;
  color: #0a3d62;
  font-size: 30px;
  margin-bottom: 20px;
}

.about-text p {
  color: #333;
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 16px;
}

.info-list {
  list-style: none;
  margin-bottom: 25px;
}

.info-list li {
  margin: 8px 0;
  color: #1e6091;
  font-weight: 500;
}

/* ===== MẠNG XÃ HỘI ===== */
.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #1e6091;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 18px;
  transition: 0.3s;
}

.social-links a:hover {
  background-color: #1eb2a6;
  transform: translateY(-3px);
}

/* ===== PHẦN SỞ THÍCH ===== */
.hobbies {
  margin-top: 90px;
  text-align: center;
}

.hobbies .intro h2 {
  font-family: 'Playfair Display', serif;
  font-size: 32px;
  color: #0a3d62;
  margin-bottom: 15px;
}

.hobbies .intro p {
  color: #444;
  max-width: 800px;
  margin: 0 auto 50px;
  font-size: 17px;
}

.destinations {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
}

.card {
  background: #fff;
  border-radius: 20px;
  width: 340px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.card h3 {
  font-family: 'Playfair Display', serif;
  color: #0a3d62;
  margin: 15px;
  font-size: 20px;
}

.card p {
  color: #333;
  margin: 0 15px 25px;
  text-align: justify;
  font-size: 15px;

}
/* ===== PHẦN KHÁM PHÁ VIỆT NAM ===== */
.discover-vietnam {
  background: #fffdf7;
  border-radius: 20px;
  padding: 60px 80px;
  margin: 50px auto;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  max-width: 1100px;
}

.discover-vietnam .intro h2 {
  font-size: 2em;
  color: #0d6efd;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.discover-vietnam .intro p {
  font-size: 1.1em;
  color: #333;
  line-height: 1.8;
  margin-bottom: 30px;
}

.video-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.video-container video {
  width: 80%;
  max-width: 900px;
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}



/* ===== FOOTER ===== */
#footer {
  background-color: #0a3d62;
  color: #daf9ff;
  text-align: center;
  padding: 25px 0;
  font-size: 14px;
}

/* ===== TẮT HIỆU ỨNG CUỘN (HIỂN THỊ NGAY) ===== */
.fade-in {
  opacity: 1;
  transform: none;
  transition: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  #content {
    padding: 40px 30px;
  }

  .about-container {
    flex-direction: column;
    text-align: center;
    padding: 40px 25px;
  }

  .about-image img {
    width: 200px;
    height: 200px;
  }

  .hobbies .intro p {
    padding: 0 15px;
  }
}