/* ============================================================================
   Font tu host — Uu tien 9
   ----------------------------------------------------------------------------
   Truoc day header.twig nap Montserrat tu fonts.googleapis.com. Google Fonts
   BI CHAN o Trung Quoc dai luc, ma Uu tien 8 cua ASC lai doi do toc do tu
   chinh thi truong do — nen moi lan tai trang la mot lan cho timeout.
   Xem VD-09.
   
   Cung mot bo subset y het Google dang phuc vu (latin / latin-ext /
   vietnamese, chia theo unicode-range), nen SO BYTE TAI VE KHONG DOI —
   chi doi noi tai ve. Trinh duyet van chi lay subset nao trang can.
   
   `font-display: swap` giu nguyen: chu hien ngay bang font he thong roi moi
   doi, khong de trang trang.
   ========================================================================== */

/* vietnamese */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/montserrat-400-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: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/montserrat-400-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: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/montserrat-400-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;
}

/* vietnamese */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/montserrat-500-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: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/montserrat-500-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: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/montserrat-500-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;
}


/* ============================================================================
   Roboto tu host — VD-25
   ----------------------------------------------------------------------------
   VI SAO CAN: 'Roboto' nam trong danh sach font cua trinh soan thao
   (admin/view/template/common/footer.twig, `font_formats`) va noi dung hien co
   dang dung no 1.380 cho. Truoc day Roboto ve tu Google Fonts; tu 18/09 da go
   Google Fonts (VD-09) nen neu khong tu host thi nguoi viet chon Roboto ma
   trang that lai ra font khac — dung cai ASC dang phan nan.

   WEIGHT NAO: theme dung font-weight 300 (5 cho, trong do co `body`), 500 (13 cho)
   va 600 (5 cho) — xem stylesheet.css. Ban dau chi tu host 400 va 700 la SAI: chon
   theo phong doan ma khong tra theme, nen `body { font-weight: 300 }` roi ve 400,
   chu toan site dam hon thiet ke. Da bo sung 300 va 500.
   Khong co 600 vi Roboto ban tinh khong phat hanh weight do; CSS se tu chon 700,
   dung quy tac doi sanh font cua trinh duyet.
   ========================================================================== */

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/roboto-400-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/roboto-400-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/roboto-400-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/roboto-700-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/roboto-700-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/roboto-700-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('fonts/roboto-300-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('fonts/roboto-300-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('fonts/roboto-300-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/roboto-500-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/roboto-500-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;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/roboto-500-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;
}


/* ============================================================================
   Font cho ban tieng Trung — Uu tien 9, sua VD-08
   ----------------------------------------------------------------------------
   CSS trong tai lieu ASC nham `html[lang="zh-CN"]`. KHONG BAO GIO KHOP:
   site xuat <html lang="zh-Hans"> (da doi tu 05/08 de khop hreflang).

     html[lang="zh-CN"]   khong khop
     :lang(zh-CN)         khong khop
     body.lang-zh         khong khop — theme khong sinh class nay
     :lang(zh)            KHOP        <- dung cai nay

   `:lang(zh)` khop moi bien the bat dau bang `zh` (zh-Hans, zh-CN, zh-TW...),
   nen doi sau nay co doi ma ngon ngu thi cung khong vo.

   DUNG doi lang thanh "zh-CN" cho khop CSS cua ASC — se lech voi hreflang
   dang chay va pha Uu tien 4 von da dat.

   Ba font ASC yeu cau deu KHONG co tren Google Fonts, phai tu host. Hien moi
   khai ten — may nao da cai san thi dung luon, khong ton byte nao. Khi co file
   font, chay docs/fonts/cat-font-zh.py roi dan khoi @font-face vao tren day.
   ========================================================================== */

@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/noto-sans-sc-zh.woff2') format('woff2');
  /* Ban cat 2.154 ky tu = 364 KB (ban day du 7,9 MB).
     unicode-range ben duoi khien trinh duyet CHI tai file nay khi trang that
     su co chu Trung — trang tieng Viet va tieng Anh khong ton mot byte nao. */
  unicode-range: U+3000-303F, U+4E00-9FFF, U+FF00-FFEF;
}

:lang(zh) {
    /* Ba font ASC yeu cau dat truoc: may nao da cai san thi dung luon,
       khong ton byte nao. Ba font do khong co ban web hop phap de tu host.

       'Noto Sans SC' dat TRUOC PingFang SC / Microsoft YaHei — dao lai thi
       hong y nghia: gan nhu may nao o TQ cung co san hai font he thong do,
       font tu host se khong bao gio duoc dung, moi trinh duyet lai ra mot
       kieu chu khac. Dat truoc thi ai cung thay CUNG mot kieu chu.
       Hai font he thong giu lai lam luoi do cho ky tu ngoai ban cat. */
    font-family: "Alibaba PuHuiTi 3.0", "HarmonyOS Sans SC", "MiSans",
                 "Noto Sans SC", "PingFang SC", "Microsoft YaHei",
                 'Roboto', sans-serif;
}

/* Tieu de tieng Trung: CJK von da day net, khong can do dam nhu chu Latin */
:lang(zh) h1,
:lang(zh) h2,
:lang(zh) h3,
:lang(zh) .heading_title {
    font-weight: 600;
}
