/* Запасные шрифты подогнаны по реальным метрикам основных — ширина,
   верхний и нижний выносные элементы. Нужны на случай, когда основной
   шрифт не успел загрузиться. */
@font-face{font-family:'Piazzolla Fallback';src:local('Georgia'),local('Times New Roman'),local('Noto Serif');size-adjust:90.5%;ascent-override:99.4%;descent-override:27.6%;line-gap-override:0%}
@font-face{font-family:'Plex Sans Fallback';src:local('Arial'),local('Helvetica Neue'),local('Roboto'),local('Noto Sans');size-adjust:100.7%;ascent-override:101.3%;descent-override:26.8%;line-gap-override:0%}
/* Шрифты размещены у нас: внешний CSS Google блокировал отрисовку почти на секунду. */
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:optional;src:url('/assets/fonts/plex-mono-400-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:optional;src:url('/assets/fonts/plex-mono-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:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:optional;src:url('/assets/fonts/plex-mono-500-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:optional;src:url('/assets/fonts/plex-mono-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-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:optional;src:url('/assets/fonts/plex-mono-600-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:optional;src:url('/assets/fonts/plex-mono-600-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:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:optional;src:url('/assets/fonts/plex-sans-400-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:optional;src:url('/assets/fonts/plex-sans-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:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:optional;src:url('/assets/fonts/plex-sans-500-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:optional;src:url('/assets/fonts/plex-sans-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-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:optional;src:url('/assets/fonts/plex-sans-600-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:optional;src:url('/assets/fonts/plex-sans-600-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:'Piazzolla';font-style:normal;font-weight:500;font-display:optional;font-stretch:normal;font-optical-sizing:auto;src:url('/assets/fonts/piazzolla-500-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Piazzolla';font-style:normal;font-weight:500;font-display:optional;font-stretch:normal;font-optical-sizing:auto;src:url('/assets/fonts/piazzolla-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-face{font-family:'Piazzolla';font-style:normal;font-weight:600;font-display:optional;font-stretch:normal;font-optical-sizing:auto;src:url('/assets/fonts/piazzolla-600-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Piazzolla';font-style:normal;font-weight:600;font-display:optional;font-stretch:normal;font-optical-sizing:auto;src:url('/assets/fonts/piazzolla-600-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:'Piazzolla';font-style:normal;font-weight:700;font-display:optional;font-stretch:normal;font-optical-sizing:auto;src:url('/assets/fonts/piazzolla-700-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Piazzolla';font-style:normal;font-weight:700;font-display:optional;font-stretch:normal;font-optical-sizing:auto;src:url('/assets/fonts/piazzolla-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}

/* Общие стили статей и блога — biznes-vietnam.ru */
:root{
  --paper:#F7F6F2;
  --paper-2:#FFFFFF;
  --ink:#122A20;
  --ink-soft:#3D5147;
  --ink-faint:#6B7C73;
  --seal:#C0392B;
  --seal-dark:#A02E22;
  --brass:#C89B3C;
  --line:#DCD9D0;
  --line-soft:#E8E6DF;
  --radius:10px;
  --display:'Piazzolla','Piazzolla Fallback',Georgia,serif;
  --body:'IBM Plex Sans','Plex Sans Fallback',-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{font-family:var(--body);background:var(--paper);color:var(--ink);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.2;letter-spacing:-.01em}
a{color:inherit}
.mono{font-family:var(--mono)}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(247,246,242,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-soft)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.wordmark{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--mono);font-weight:600;font-size:14px;letter-spacing:.08em;text-transform:uppercase;flex:none}
.wordmark .mark{width:34px;height:34px;flex:none;color:var(--seal);transition:transform .3s cubic-bezier(.2,.9,.3,1.2)}
.wordmark:hover .mark{transform:rotate(-14deg)}
.head-nav{display:flex;gap:26px;margin-left:auto;margin-right:8px}
.head-nav a{text-decoration:none;font-size:14.5px;font-weight:500;color:var(--ink-soft)}
.head-nav a:hover{color:var(--seal)}
.head-nav a.on{color:var(--seal)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--body);font-weight:600;font-size:16px;padding:13px 24px;border-radius:8px;border:none;cursor:pointer;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.btn svg{flex:none}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#0C1F17;transform:translateY(-1px);box-shadow:0 6px 18px rgba(18,42,32,.22)}
.btn-seal{background:var(--seal);color:#fff}
.btn-seal:hover{background:var(--seal-dark);transform:translateY(-1px);box-shadow:0 6px 18px rgba(192,57,43,.28)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--brass);outline-offset:2px}

/* breadcrumbs */
.crumbs{font-size:14px;color:var(--ink-faint);padding:26px 0 0}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--seal)}
.crumbs span{margin:0 7px;opacity:.5}

/* article */
.article{max-width:760px;margin:0 auto;padding:0 24px}
.art-head{padding:32px 0 34px;border-bottom:1px solid var(--line)}
.eyebrow{font-family:var(--mono);font-size:12.5px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--seal);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--seal)}
.art-head h1{font-size:clamp(30px,4.4vw,44px);margin-bottom:18px}
.art-meta{font-family:var(--mono);font-size:13px;color:var(--ink-faint);display:flex;gap:18px;flex-wrap:wrap}
.art-lead{font-size:19.5px;color:var(--ink-soft);margin:32px 0 8px}

/* обложка статьи */
.art-cover{margin:32px 0 0}
.art-cover img{width:100%;height:auto;aspect-ratio:2/1;object-fit:cover;border-radius:var(--radius);display:block;background:var(--line-soft)}

/* toc */
.toc{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;margin:34px 0}
.toc h2{font-size:15px;font-family:var(--mono);font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:14px}
.toc ol{margin:0;padding-left:20px;display:grid;gap:8px}
.toc a{color:var(--ink-soft);text-decoration:none;font-size:15.5px}
.toc a:hover{color:var(--seal);text-decoration:underline}

/* article body */
.body h2{font-size:clamp(25px,3vw,31px);margin:52px 0 16px;scroll-margin-top:82px}
.body h3{font-size:20.5px;margin:34px 0 10px}
.body p{margin-bottom:17px;color:var(--ink-soft)}
.body strong{color:var(--ink);font-weight:600}
.body a{color:var(--seal);text-decoration:underline;text-underline-offset:2px}
/* кнопки внутри текста статьи не наследуют оформление ссылок */
.body a.btn{text-decoration:none}
.body a.btn-seal,.body a.btn-primary{color:#fff}
.body ul,.body ol{margin:0 0 20px 0;padding-left:22px;color:var(--ink-soft);display:grid;gap:9px}
.body li strong{color:var(--ink)}
.body figure{margin:26px 0}

/* table */
.t-scroll{overflow-x:auto;margin:26px 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-2)}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:15.5px}
th{text-align:left;font-family:var(--mono);font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-faint);font-weight:600;padding:14px 18px;border-bottom:1px solid var(--line)}
td{padding:14px 18px;border-bottom:1px solid var(--line-soft);color:var(--ink-soft);vertical-align:top}
tr:last-child td{border-bottom:none}
td strong{color:var(--ink)}
td.num{font-family:var(--mono);white-space:nowrap}

/* callouts */
.note{background:var(--paper-2);border:1px solid var(--line);border-left:4px solid var(--brass);border-radius:var(--radius);padding:22px 26px;margin:28px 0}
.note h3{font-size:17.5px;margin:0 0 8px}
.note p{font-size:15.5px;margin-bottom:0}
.note p+p{margin-top:10px}

/* inline cta */
.cta-box{background:var(--ink);color:#E8EFE9;border-radius:var(--radius);padding:32px 34px;margin:44px 0;position:relative;overflow:hidden}
.cta-box h3{font-size:23px;color:#fff;margin-bottom:10px;max-width:440px}
.cta-box p{font-size:16px;color:#B8C4BD;margin-bottom:22px;max-width:480px}
.cta-box .btn{position:relative;z-index:1}
.cta-seal{position:absolute;right:-30px;bottom:-40px;width:190px;height:190px;transform:rotate(-12deg);opacity:.13}

/* related */
.related{border-top:1px solid var(--line);margin-top:64px;padding-top:36px}
.related h2{font-size:23px;margin-bottom:22px}
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rel-card{display:block;text-decoration:none;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;transition:border-color .15s ease,transform .15s ease}
.rel-card:hover{border-color:var(--seal);transform:translateY(-2px)}
.rel-card .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--seal)}
.rel-card h3{font-size:18px;margin-top:8px}

/* blog hub */
.hub-head{padding:60px 0 44px;max-width:700px}
.hub-head h1{font-size:clamp(32px,4.4vw,46px);margin-bottom:16px}
.hub-head p{font-size:18.5px;color:var(--ink-soft)}
.posts{display:grid;gap:18px;padding-bottom:80px}
.post{display:grid;grid-template-columns:190px 104px 1fr;gap:24px;align-items:start;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;text-decoration:none;transition:border-color .15s ease,transform .15s ease}
.post-img{width:100%;height:auto;aspect-ratio:20/13;object-fit:cover;border-radius:7px;display:block;background:var(--line-soft)}
.post:hover{border-color:var(--seal);transform:translateY(-2px)}
.post .idx{font-family:var(--mono);font-size:13px;color:var(--seal);font-weight:600;letter-spacing:.08em}
.post h2{font-size:22px;margin-bottom:8px}
.post p{color:var(--ink-soft);font-size:16px}

/* footer */
.site-foot{border-top:1px solid var(--line-soft);padding:34px 0 60px;font-size:13.5px;color:var(--ink-faint);margin-top:70px}
.site-foot .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.site-foot p{max-width:640px}
.site-foot a{color:var(--ink-soft)}

/* закреплённая кнопка внизу экрана на мобильных */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:rgba(247,246,242,.94);backdrop-filter:blur(8px);border-top:1px solid var(--line);display:none}
.sticky-cta .btn{width:100%}

@media (max-width:760px){
  body{font-size:16px}
  .head-nav{display:none}
  .head-cta{display:none}
  .sticky-cta{display:block}
  .site-foot{padding-bottom:120px}
  .rel-grid{grid-template-columns:1fr}
  .post{grid-template-columns:1fr;gap:14px}
  .post-img{aspect-ratio:2/1}
  .art-cover img{aspect-ratio:16/9}
  .cta-box{padding:26px 24px}
  .art-lead{font-size:18px}
}