/* V438.23: the site's web fonts, served from our own server (the owner approved the download, 2026-10-13).
   The files are Google Fonts' own variable woff2 files (Inter v20, JetBrains Mono v24), one per character subset; the rules below
   are Google's CSS as served to a current browser on 2026-10-13, with the addresses changed to ours — so every
   weight renders exactly as it did from fonts.gstatic.com. A replaced file needs a new name: the files are cached
   for a year. */
/* cyrillic-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/web/inter-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/web/inter-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/web/inter-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/web/inter-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/web/inter-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/web/inter-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/web/inter-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/web/inter-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/web/inter-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/web/inter-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/web/inter-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/web/inter-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/web/inter-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/web/inter-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/web/inter-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/web/inter-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(/fonts/web/inter-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(/fonts/web/inter-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(/fonts/web/inter-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(/fonts/web/inter-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-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;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/web/jetbrains-mono-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{--bg:#0A0B0D;--card:#12141A;--line:#252932;--ink:#EEEDEA;--ink-2:#A8ACB5;--ink-3:#6E737E;--brass:#D69A3E;--brass-2:#F0B85A;--up:#3FBF7F;--sans:'Inter',system-ui,sans-serif}
html[lang="ar"],html[lang="ckb"]{--sans:'Noto Sans Arabic','Inter',system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font:15px/1.65 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:720px;margin:0 auto;padding:calc(14px + env(safe-area-inset-top)) 16px 110px}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.brand img{height:26px;width:auto;display:block}
.pill{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-weight:600;font-size:13px}
.crumbs{display:flex;flex-wrap:wrap;gap:4px 8px;font-size:12.5px;color:var(--ink-3);margin-bottom:14px}
.crumbs a{color:var(--ink-2)}.crumbs a:hover{text-decoration:underline}
.crumbs span[aria-hidden]{opacity:.6}
.kicker{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--brass);font-weight:700}
h1{font-size:27px;line-height:1.2;font-weight:800;letter-spacing:-.02em;margin-top:6px;overflow-wrap:anywhere}
.lead{color:var(--ink-2);font-size:15px;margin-top:10px}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.meta span{padding:3px 10px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--ink-2)}
.dots{display:flex;gap:7px;align-items:center;margin-top:16px;flex-wrap:wrap}
.dots a{width:11px;height:11px;border-radius:50%;border:1.5px solid var(--line);background:transparent;display:block}
.dots a.on{background:var(--brass);border-color:var(--brass)}
.dots a[aria-current="page"]{outline:2px solid var(--brass-2);outline-offset:2px}
.prog{font-size:12.5px;color:var(--ink-3);margin-top:8px}
.card{border:1px solid rgba(255,255,255,.075);border-radius:18px;background:linear-gradient(180deg,#14161C,#111318);padding:16px;margin-top:16px}
.card.hero{border-color:rgba(214,154,62,.45)}
.lessons{list-style:none;margin-top:6px}
.lessons li+li{border-top:1px solid var(--line)}
.lessons a{display:flex;gap:12px;align-items:flex-start;padding:13px 2px}
.lessons .no{flex:none;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;font-size:12.5px;font-weight:700;color:var(--ink-2)}
.lessons .no svg{display:none;width:16px;height:16px;fill:none;stroke:#1A1200;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.lessons li.on .no{background:var(--brass);border-color:var(--brass)}
.lessons li.on .no b{display:none}.lessons li.on .no svg{display:block}
.lessons .tx{min-width:0}
.lessons .tx b{display:block;font-size:15px;line-height:1.35}
.lessons .tx small{display:block;color:var(--ink-3);font-size:12.5px;line-height:1.5;margin-top:3px}
.sec{margin-top:24px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.cta{display:block;margin-top:16px;padding:15px;border-radius:14px;background:linear-gradient(180deg,#E2B25C,#C98A2F);color:#1A1200;font-weight:800;text-align:center;box-shadow:0 12px 28px -12px rgba(214,154,62,.6)}
.btn2{display:block;margin-top:10px;padding:13px;border-radius:14px;border:1px solid rgba(214,154,62,.55);color:var(--brass-2);font-weight:700;text-align:center}
.lesson h2{font-size:18.5px;line-height:1.3;margin:24px 0 6px;letter-spacing:-.01em}
.lesson p{margin-top:10px;color:var(--ink)}
.ac-list{margin:10px 0 0;padding-inline-start:20px}
.ac-list li{margin-top:5px}
.ex h3,.kp h3,.try h3{font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--brass);margin-bottom:6px}
.opener{margin:18px 0 0;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:13px;line-height:1.55;color:var(--ink-2)}   /* V438.81: the lesson's own opening note (Protect yourself) */
.ex ul{list-style:none}
.ex li{padding:7px 0;border-top:1px solid var(--line);font-size:14.5px}
.ex li:first-child{border-top:0}
.kp ul{padding-inline-start:20px}
.kp li{margin-top:6px}
.try p{color:var(--ink-2);font-size:14.5px}
.pn{display:flex;gap:10px;margin-top:16px}
.pn a{flex:1;min-width:0;padding:12px;border:1px solid var(--line);border-radius:14px;font-size:13px;color:var(--ink-2)}
.pn a b{display:block;color:var(--ink);font-size:14px;margin-top:2px;overflow-wrap:anywhere}
.pn a.nx{text-align:end}
.demo p{color:var(--ink-2);font-size:14px;margin-top:4px}
.demo b{font-size:15px}
.risk{margin-top:22px;padding:13px 14px;border:1px solid var(--line);border-radius:12px;color:var(--ink-2);font-size:12.5px;line-height:1.6}
.ac-video button{width:100%;cursor:pointer;background:transparent;font:inherit;font-weight:700}
.ac-frame{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:14px;margin-top:10px}
.foot{margin-top:24px;padding-top:16px;border-top:1px solid var(--line);color:var(--ink-3);font-size:11.5px;line-height:1.6}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 14px;margin-bottom:10px;font-size:12.5px}
.foot nav a{color:var(--ink-2)}