/* Nền tảng: font cục bộ, màu sắc, reset và tiện ích truy cập. */
/* vietnamese */
@font-face {
  font-family: "Lexend Deca";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/lexend-deca-vietnamese.woff2") format("woff2");
  unicode-range:
    U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301,
    U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: "Lexend Deca";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/lexend-deca-latin-ext.woff2") format("woff2");
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F,
    U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: "Lexend Deca";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/lexend-deca-latin.woff2") format("woff2");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: light;
  --color-background: #291a0b;
  --color-primary: #563505;
  --color-gold: #fddd9a;
  --color-red: #c51800;
  --color-paper: #fcf4c7;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-primary);
  font-family: "Lexend Deca", Arial, sans-serif;
  line-height: 1.5;
}

body.vt-modal-visible {
  overflow: hidden;
}

h1,
h2,
h3,
p,
dl,
dd,
ul {
  margin: 0;
}

img,
picture {
  display: block;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

:focus-visible {
  outline: 3px solid #bf7906;
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.vt-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.vt-narrow-only {
  display: none;
}

.vt-skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 12px 20px;
  transform: translateY(-150%);
  background: var(--color-paper);
}

.vt-skip:focus {
  transform: translateY(0);
}

@media (max-width: 1023px) {
  .vt-narrow-only {
    display: inline;
  }
  .vt-wide-only {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}