body {
  margin: 0;
  padding: 0;
  font-family: "Poppins", sans-serif;
  background-color: #000; /* fallback để nền đen tự nhiên, không bị vệt */
  min-height: 100vh;
  color: #fff;
  overflow-x: hidden;
  position: relative;
}

/* Lớp gif nền */
/* Nền gif full trang */
.gif-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("storm.gif") center top / cover no-repeat;
  background-attachment: fixed;
  z-index: -3;
}

/* Lớp mờ overlay phủ toàn bộ */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100%;
  background: rgba(0, 0, 0, 0.35);
  z-index: -2;
  pointer-events: none;
}

/* === KHỐI GIỮA === */
.container {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 2px solid #fff;
  object-fit: cover;
}

/* === TÊN ĐINH VIỆT QUỐC KHÁNH - NEON TRẮNG === */
h1 {
  color: #00ffff;
  text-shadow:
    0 0 5px #00ffff,
    0 0 10px #00ffff,
    0 0 20px #00ffff,
    0 0 35px rgb(255, 255, 255);
  animation: whiteTitle 2.5s ease-in-out infinite;
  -webkit-text-fill-color: #00ffff;
}

@keyframes whiteTitle {
  0%, 100% {
    text-shadow:
      0 0 5px #ffffff,
      0 0 10px #ffffff,
      0 0 20px #ffffff,
      0 0 35px rgba(255,255,255,0.9);
  }
  50% {
    text-shadow:
      0 0 8px #e0e0e0,
      0 0 16px #ffffff,
      0 0 30px #ffffff,
      0 0 45px rgba(255,255,255,1);
  }
}

/* === KHUNG AVATAR MÙA ĐÔNG === */
.avatar {
  position: relative;
  border: 3px solid #aee4ff;
  box-shadow:
    0 0 6px #aee4ff,
    0 0 15px #aee4ff,
    0 0 30px #6bd8ff,
    0 0 45px #c3f7ff;
  animation: winterNeon 4s ease-in-out infinite;
}

@keyframes winterNeon {
  0%, 100% {
    box-shadow:
      0 0 6px #aee4ff,
      0 0 15px #aee4ff,
      0 0 30px #6bd8ff,
      0 0 45px #c3f7ff;
    border-color: #d9f9ff;
  }
  50% {
    box-shadow:
      0 0 8px #b5ecff,
      0 0 20px #7be0ff,
      0 0 40px #aee4ff,
      0 0 60px #e6fcff;
    border-color: #ffffff;
  }
}

/* === NEON VÀNG CHO SYMBOL { / } === */
.symbol {
  color: #FFD700;
  text-shadow:
    0 0 5px #FFD700,
    0 0 10px #FFD700,
    0 0 20px #FFD700,
    0 0 35px rgba(255,215,0,0.9);
  animation: goldNeon 3s ease-in-out infinite;
}
@keyframes goldNeon {
  0%, 100% {
    text-shadow:
      0 0 5px #FFD700,
      0 0 10px #FFD700,
      0 0 20px #FFD700,
      0 0 35px rgba(255,215,0,0.9);
  }
  50% {
    text-shadow:
      0 0 8px #fff59e,
      0 0 16px #FFD700,
      0 0 30px #FFD700,
      0 0 45px rgba(255,255,180,1);
  }
}

/* === LƯỢT FOLLOW & TIM (NEON TRẮNG) === */
.stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 25px;
  margin-top: 6px;
  margin-bottom: 8px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  text-shadow:
    0 0 5px #ffffff,
    0 0 10px #ffffff,
    0 0 20px #ffffff,
    0 0 35px rgba(255,255,255,0.8);
  animation: whitePulse 2.5s infinite ease-in-out;
}

.stat-label {
  font-size: 12px;
  color: #cccccc;
  letter-spacing: 0.5px;
}

@keyframes whitePulse {
  0%, 100% {
    text-shadow:
      0 0 5px #ffffff,
      0 0 10px #ffffff,
      0 0 20px #ffffff,
      0 0 35px rgba(255,255,255,0.8);
  }
  50% {
    text-shadow:
      0 0 8px #e0e0e0,
      0 0 16px #ffffff,
      0 0 30px #ffffff,
      0 0 45px rgba(255,255,255,1);
  }
}

/* === HIỆU ỨNG NEON 7 MÀU CHO "NFA CLIENT VIET NAM" === */
.contact-info span:last-child {
  font-weight: 700;
  background: linear-gradient(90deg,
    red, orange, yellow, green, cyan, blue, violet, red);
  background-size: 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rainbowNeon 5s linear infinite;
  text-shadow:
    0 0 5px rgba(255,255,255,0.8),
    0 0 15px rgba(255,255,255,0.7),
    0 0 25px rgba(255,255,255,0.6);
}

@keyframes rainbowNeon {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}

/* === MẠNG XÃ HỘI === */
.socials {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin: 15px 0 25px;
}

.socials a {
  width: 36px;
  height: 36px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  transition: 0.25s;
}

.socials a:hover {
  transform: scale(1.1);
  background: rgba(255,255,255,0.15);
}

.socials img { width: 18px; height: 18px; }

/* === CAROUSEL === */
.product-carousel {
  width: 100%;
  max-width: 850px;
  margin: 0 auto 60px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  gap: 15px;
}

.product-track {
  display: flex;
  align-items: center;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: 20px;
  padding: 10px 0;
  scrollbar-width: none;
  justify-content: flex-start; /* ✅ Cho phép trượt */
}
.product-track::-webkit-scrollbar {
  display: none;
}


.product-card {
  flex: 0 0 auto;
  scroll-snap-align: center; /* 👈 Căn giữa từng card */
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  transition: transform 0.3s ease;
  width: 260px; /* 👈 Card có kích thước cố định để căn giữa chuẩn */
  margin: 0 auto;
}
.product-card:hover {
  transform: scale(1.03);
}

.product-card img {
  width: 100%;
  height: 130px;
  border-radius: 8px;
  object-fit: cover;
}

.product-card h3 {
  font-size: 14px;
  margin: 6px 0 3px;
  color: #fff;
}

.product-card p.price {
  color: #FFD700;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 12px;
}

/* === NÚT "CHI TIẾT" PHONG CÁCH CLASSIC === */
.buy-btn {
  display: inline-block;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  background-color: #222;
  border: 1.5px solid #ffffff;
  border-radius: 6px;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.buy-btn:hover {
  background-color: #ffffff;
  color: #000000;
  border-color: #ffffff;
  transform: translateY(-2px);
}



/* === BUTTON TRÁI / PHẢI === */
.arrow {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 22px;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  transition: 0.3s ease;
  flex-shrink: 0;
}
.arrow:hover {
  transform: scale(1.1);
}
/* ==== RESPONSIVE ==== */
@media (max-width: 768px) {
  .product-card {
    width: 85%;
  }
}
.arrow:hover {
  background: linear-gradient(145deg, rgba(255,255,255,0.45), rgba(255,255,255,0.25));
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 6px 15px rgba(255,255,255,0.4);
}

/* === FOOTER === */
footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: white;
  padding: 10px;
  background: transparent; /* ❌ bỏ nền đen */
  box-shadow: none;        /* ❌ bỏ viền tối */
  backdrop-filter: none;   /* ❌ bỏ hiệu ứng mờ */
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .product-card { flex: 0 0 85%; }
}

@media (max-width: 600px) {
  .product-card { flex: 0 0 90%; }
}
/* === KHẮC PHỤC LỖI CUỘN NGANG TRÊN ĐIỆN THOẠI === */
html, body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

/* === AVATAR ADMIN BO TRÒN VÀ HIỆU ỨNG NEON === */
.admin-tag {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 12px;
}

.admin-avatar {
  width: 70px; /* bạn có thể tăng/giảm tùy thích */
  height: 70px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #00ffff;
  box-shadow:
    0 0 6px #00ffff,
    0 0 15px #00ffff,
    0 0 30px #00ffff;
  animation: adminGlow 3s ease-in-out infinite;
}

@keyframes adminGlow {
  0%, 100% {
    box-shadow:
      0 0 6px #00ffff,
      0 0 15px #00ffff,
      0 0 30px #00ffff;
  }
  50% {
    box-shadow:
      0 0 8px #99ffff,
      0 0 20px #00ffff,
      0 0 40px #00ffff;
  }
}

.admin-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.admin-label {
  color: #ffffff;
  font-weight: 700;
  text-shadow:
    0 0 5px #ffffff,
    0 0 10px #ffffff,
    0 0 20px #ffffff;
}

.admin-name {
  color: #00ffff;
  font-weight: 700;
  text-shadow:
    0 0 5px #00ffff,
    0 0 10px #00ffff,
    0 0 25px #00ffff;
}
/* === KHUNG NEON CHO CÁC Ô FOLLOW / HEART / SHARE === */
.stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin-top: 8px;
}

.stat-item {
  padding: 12px 20px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow:
    0 0 8px rgba(255,255,255,0.3),
    inset 0 0 6px rgba(255,255,255,0.2);
  transition: 0.3s ease;
  text-align: center;
}

.stat-item:hover {
  transform: scale(1.05);
  box-shadow:
    0 0 12px rgba(255,255,255,0.6),
    inset 0 0 10px rgba(255,255,255,0.4);
}

.stat-number {
  font-size: 18px;
  font-weight: 700;
  color: #fffff
}
/* === KHUNG NEON NHỎ GỌN CHO FOLLOW / HEART / SHARE === */
.stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px; /* giảm khoảng cách giữa các ô */
  margin-top: 6px;
  margin-bottom: 10px;
}

.stat-item {
  padding: 6px 10px; /* nhỏ hơn 1 nửa */
  min-width: 70px; /* giữ kích thước ổn định */
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow:
    0 0 6px rgba(255,255,255,0.25),
    inset 0 0 4px rgba(255,255,255,0.15);
  transition: 0.3s ease;
  text-align: center;
}

.stat-item:hover {
  transform: scale(1.05);
  box-shadow:
    0 0 10px rgba(255,255,255,0.6),
    inset 0 0 8px rgba(255,255,255,0.3);
}

.stat-number {
  font-size: 14px; /* giảm kích thước chữ */
  font-weight: 700;
  color: #ffffff;
  text-shadow:
    0 0 4px #ffffff,
    0 0 8px #ffffff;
}

.stat-label {
  font-size: 10px; /* nhỏ hơn để cân đối */
  color: #cccccc;
  letter-spacing: 0.5px;
}
/* === OWNER TITLE (NEON TRẮNG + AQUA) === */
.owner-title {
  margin-top: 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
  text-align: center;
}
/* === TÊN QKHANHNEE FULL NEON XANH AQUA === */
/* === QKHANHNEE FULL NEON XANH NGỌC, KHÔNG PHA TRẮNG === */
.owner-name {
  color: #00ffff; /* nền chữ xanh ngọc thuần */
  font-weight: 700;
  text-shadow:
    0 0 6px #00ffff,
    0 0 12px #00ffff,
    0 0 25px #00ffff,
    0 0 40px #00ffff,
    0 0 60px #00ffff;
  animation: aquaPureGlow 3s ease-in-out infinite;
}

@keyframes aquaPureGlow {
  0%, 100% {
    text-shadow:
      0 0 6px #00ffff,
      0 0 12px #00ffff,
      0 0 25px #00ffff,
      0 0 40px #00ffff,
      0 0 60px #00ffff;
  }
  50% {
    text-shadow:
      0 0 10px #00e0e0,
      0 0 20px #00ffff,
      0 0 40px #00ffff,
      0 0 80px #00ffff;
  }
}
@keyframes aquaNeonFull {
  0%, 100% {
    text-shadow:
      0 0 6px #00ffff,
      0 0 12px #00ffff,
      0 0 25px #00ffff,
      0 0 40px #00ffff,
      0 0 60px #00ffff,
      0 0 80px #00ffff;
  }
  50% {
    text-shadow:
      0 0 10px #66ffff,
      0 0 20px #33ffff,
      0 0 40px #00ffff,
      0 0 70px #00ffff,
      0 0 90px #00ffff,
      0 0 120px #00ffff;
  }
}
@keyframes aquaNeonPulse {
  0%, 100% {
    text-shadow:
      0 0 6px #00ffff,
      0 0 12px #00ffff,
      0 0 25px #00ffff;
  }
  50% {
    text-shadow:
      0 0 10px #66ffff,
      0 0 20px #00ffff,
      0 0 35px #00ffff;
  }
}
/* === OWNER & QKHANHNEE CHỈNH KÍCH THƯỚC + MÀU === */
.owner-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 8px;
  text-align: center;
}

.crown {
  color: #FFD700;
  text-shadow:
    0 0 6px #FFD700,
    0 0 12px #FFD700,
    0 0 25px #FFD700,
    0 0 40px rgba(255,215,0,0.9);
  animation: crownGlow 2.5s ease-in-out infinite;
  font-size: 16px;
  vertical-align: middle;
}

/* === OWNER NEON 7 MÀU CHUYỂN ĐỘNG === */
.owner-white {
  font-size: 14px;
  font-weight: 700;
  background: linear-gradient(90deg,
    red, orange, yellow, green, cyan, blue, violet, red);
  background-size: 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: ownerRainbow 4s linear infinite;
  text-shadow:
    0 0 8px rgba(255,255,255,0.8),
    0 0 15px rgba(255,255,255,0.6),
    0 0 25px rgba(255,255,255,0.4);
}

@keyframes ownerRainbow {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}
/* === QKHANHNEE NEON 7 MÀU FULL RỰC === */
.owner-name {
  font-size: 14px;
  font-weight: 700;
  background: linear-gradient(90deg,
    red, orange, yellow, green, cyan, blue, violet, red);
  background-size: 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: qkhanhneeRainbow 3s linear infinite;
  text-shadow:
    0 0 10px rgba(255,255,255,0.9),
    0 0 20px rgba(255,255,255,0.8),
    0 0 30px rgba(255,255,255,0.7),
    0 0 50px rgba(255,255,255,0.6);
}

@keyframes qkhanhneeRainbow {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}
.stat-number {
  color: #fff;
  font-size: 1.2em; /* nhỏ gọn lại nhưng vẫn nổi bật */
  font-weight: bold;
  display: inline-block;
  text-shadow:
    0 0 5px #ffffff,
    0 0 10px #ffffff,
    0 0 20px #ffffff,
    0 0 40px #ffffff;
  transition: all 0.3s ease;
  transform-style: preserve-3d;
}
/* === FADE-IN TOÀN TRANG === */
body {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 1s ease-out, transform 1s ease-out;
  will-change: opacity, transform;
}

/* Khi web load xong */
body.loaded {
  opacity: 1;
  transform: translateY(0);
}

/* (tuỳ chọn) thêm animation cho từng phần tử xuất hiện mượt hơn */
.fade-in {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  will-change: opacity, transform;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}
/* === MẠNG XÃ HỘI DẠNG KHỐI === */
.social-blocks {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin: 25px 0 40px;
}

.social-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 70px;
  background: rgba(255, 255, 255, 0.05);
  border: 1.2px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  text-decoration: none;
  color: #fff;
  transition: all 0.3s ease;
  box-shadow: inset 0 0 10px rgba(255,255,255,0.1);
}

.social-card img {
  width: 26px;
  height: 26px;
  margin-bottom: 6px;
  filter: brightness(1.2);
}

.social-card span {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.social-card:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 0 20px rgba(255,255,255,0.35);
  border-color: rgba(255,255,255,0.4);
}
/* === SPOTIFY PLAYER FIX MOBILE === */
.spotify-player {
  width: 100%;
  max-width: 350px;
  margin: 20px auto 80px auto; /* chừa khoảng dưới để không đè footer */
  display: flex;
  justify-content: center;
}

/* === FOOTER KHÔNG NỀN ĐEN + CỐ ĐỊNH TRÊN MỌI MÀN HÌNH === */
footer {
  position: relative;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: rgba(0, 0, 0, 0.35);
  padding: 10px 0;
  background: none !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  z-index: 1;
}

/* === COPYRIGHT ĐINH VIỆT QUỐC KHÁNH === */
footer.copyright {
  text-align: center;
  font-size: 13px;
  margin-bottom: 15px;
  font-weight: 600;
  color: #fff;
}

footer.copyright span {
  background: linear-gradient(90deg, red, orange, yellow, green, cyan, blue, violet, red);
  background-size: 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rainbowNeon 5s linear infinite;
  text-shadow:
    0 0 5px rgba(255,255,255,0.8),
    0 0 15px rgba(255,255,255,0.6),
    0 0 25px rgba(255,255,255,0.4);
}
/* RESET + NỀN FULL TRANG */
html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  width: 100%;
  background: #000;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* GIF NỀN CHO PC */
.gif-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("muanho.gif") center center / cover no-repeat;
  background-attachment: fixed;
  z-index: -3;
  will-change: transform;
}

/* LỚP MỜ PHỦ LÊN NỀN */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.35);
  z-index: -2;
  pointer-events: none;
}

/* FIX CHO MOBILE - tránh lỗi trắng/đen cuối trang */
@media (max-width: 767px) {
  body {
    background: url("storm.gif") center top / cover no-repeat;
    background-attachment: scroll !important;
    background-size: cover !important;
    background-position: center center;
  }

  .gif-bg {
    display: none !important; /* ẩn nền fixed */
  }
}

/* FOOTER BẢO TOÀN MÀU NỀN */
footer.copyright {
  background: transparent !important;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  margin: 20px 0;
}

/* CHỮ ĐINH VIỆT QUỐC KHÁNH NEON 7 MÀU */
footer.copyright span {
  background: linear-gradient(90deg, red, orange, yellow, green, cyan, blue, violet, red);
  background-size: 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rainbowNeon 5s linear infinite;
  text-shadow:
    0 0 5px rgba(255,255,255,0.8),
    0 0 15px rgba(255,255,255,0.6),
    0 0 25px rgba(255,255,255,0.4);
}

/* HIỆU ỨNG CHUYỂN MÀU 7 MÀU */
@keyframes rainbowNeon {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}

/* TỐI ƯU HIỆU ỨNG PC */
@media (min-width: 1024px) {
  .gif-bg {
    filter: brightness(0.9);
    transform: translateZ(0);
    backface-visibility: hidden;
  }

  .overlay {
    background: rgba(0, 0, 0, 0.25);
  }
}
/* === NỀN GIF FULL TRANG === */
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100vh;
  background: #000;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* === GIF NỀN CHO PC === */
.gif-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("storm.gif") center center / cover no-repeat fixed;
  z-index: -3;
  animation: fadeInGlobal 2s ease forwards;
}

/* === LỚP MỜ PHỦ NỀN === */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.35);
  z-index: -2;
  pointer-events: none;
  animation: fadeInGlobal 2s ease forwards;
}

/* === MOBILE: ẨN GIF-BG, DÙNG BODY NỀN === */
@media (max-width: 768px) {
  .gif-bg {
    display: none !important;
  }

  body {
    background: url("storm.gif") center top / cover no-repeat;
    background-attachment: scroll !important;
    background-size: cover !important;
    background-position: center top !important;
    background-repeat: no-repeat;
    animation: fadeInGlobal 2s ease forwards;
  }
}

/* === HIỆU ỨNG FADE-IN CHUNG === */
.fade-in {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeInGlobal 1.6s ease forwards;
  will-change: opacity, transform;
}

@keyframes fadeInGlobal {
  from { opacity: 0; transform: scale(1.02) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* === FOOTER === */
footer.copyright {
  background: transparent !important;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  margin: 20px 0;
  animation: fadeInGlobal 2s ease forwards;
}

/* === CHỮ ĐINH VIỆT QUỐC KHÁNH NEON 7 MÀU === */
footer.copyright span {
  background: linear-gradient(90deg, red, orange, yellow, green, cyan, blue, violet, red);
  background-size: 400%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rainbowNeon 5s linear infinite;
  text-shadow:
    0 0 5px rgba(255,255,255,0.8),
    0 0 15px rgba(255,255,255,0.6),
    0 0 25px rgba(255,255,255,0.4);
}

/* === HIỆU ỨNG NEON 7 MÀU === */
@keyframes rainbowNeon {
  0% { background-position: 0% 50%; }
  100% { background-position: 400% 50%; }
}
/* --- HIỆU ỨNG FADE-IN TỪ DƯỚI LÊN --- */
body {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUpSmooth 1.2s ease-out forwards;
}

@keyframes fadeUpSmooth {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
/* Nhỏ gọn cả dòng contact */
.small-contact {
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 🌈 Hiệu ứng 7 màu chạy liên tục */
.rainbow-text {
  background: linear-gradient(90deg, 
    #ff0000, #ff7f00, #ffff00, #00ff00, 
    #0000ff, #4b0082, #8b00ff, #ff0000);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 400%;
  animation: rainbowMove 5s linear infinite;
}

@keyframes rainbowMove {
  0% { background-position: 0%; }
  100% { background-position: 400%; }
}

/* 🌟 Symbol sáng hơn và phát glow */
.neon-symbol {
  text-shadow:
    0 0 4px #fff,
    0 0 10px #ff66cc,
    0 0 20px #00ffff;
}

/* chữ NFA nhỏ hơn, nhẹ hơn */
.contact-sub {
  font-weight: 400;
  letter-spacing: 0.3px;
}
.social-card {
  border-radius: 12px !important; /* thay bo tròn bằng bo nhẹ (vuông góc kiểu cũ) */
}