/* Thethaothienkhoi.vn - custom styles bo sung ben canh Tailwind utilities */

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px; /* tru chieu cao header fixed khi nhay anchor */
}

body {
  overflow-x: hidden; /* an toan chong thanh cuon ngang tren moi thiet bi */
  font-family: "Be Vietnam Pro", system-ui, -apple-system, sans-serif;
}

/* Hieu ung fade + truot nhe khi cuon toi, nhe nhang khong lam roi mat */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
[data-reveal].reveal-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal="left"] { transform: translateX(-24px); }
[data-reveal="left"].reveal-visible { transform: translateX(0); }
[data-reveal="right"] { transform: translateX(24px); }
[data-reveal="right"].reveal-visible { transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    transition: none;
    transform: none;
  }
}

/* Giam hieu ung tren man hinh nho de may yeu van muot */
@media (max-width: 767px) {
  [data-reveal] {
    transition-duration: 0.4s;
    transform: translateY(10px);
  }
}

.thankyou-panel {
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Khung anh noi o Hero: tu lac nghieng nhe lien tuc, khong can hover */
.hero-card-float {
  animation: hero-card-float 6s ease-in-out infinite;
}
@keyframes hero-card-float {
  0%, 100% { transform: rotate(2deg) translateY(0); }
  50% { transform: rotate(-1.5deg) translateY(-10px); }
}

::selection {
  background-color: #ee3b33;
  color: #fff;
}