/* motionscode.com — site shell. Tokens are the brief's palette; nothing else
   introduces a colour. Contrast of every text/background pair used here is
   measured by web/site/tests/contrast.py (≥ 4.5:1). */

@font-face{font-family:"IBM Plex Sans Arabic";font-weight:400;font-display:swap;src:url("/fonts/plex-arabic-ar-400.woff2") format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+0870-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FEFC}
@font-face{font-family:"IBM Plex Sans Arabic";font-weight:500;font-display:swap;src:url("/fonts/plex-arabic-ar-500.woff2") format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+0870-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FEFC}
@font-face{font-family:"IBM Plex Sans Arabic";font-weight:600;font-display:swap;src:url("/fonts/plex-arabic-ar-600.woff2") format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+0870-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FEFC}
@font-face{font-family:"IBM Plex Sans Arabic";font-weight:700;font-display:swap;src:url("/fonts/plex-arabic-ar-700.woff2") format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+0870-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FEFC}
@font-face{font-family:"IBM Plex Sans Arabic";font-weight:400;font-display:swap;src:url("/fonts/plex-arabic-latin-400.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,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 Arabic";font-weight:500;font-display:swap;src:url("/fonts/plex-arabic-latin-500.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,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 Arabic";font-weight:600;font-display:swap;src:url("/fonts/plex-arabic-latin-600.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,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 Arabic";font-weight:700;font-display:swap;src:url("/fonts/plex-arabic-latin-700.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"JetBrains Mono";font-weight:400;font-display:swap;src:url("/fonts/jetbrains-mono-400.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-weight:700;font-display:swap;src:url("/fonts/jetbrains-mono-700.woff2") format("woff2")}

:root{
  --bg:#0B1220; --surface:#0E1729; --surface-2:#111A2C; --border:#22314C;
  --text:#EEF2F7; --text-2:#AEB9CA; --text-3:#8696AD;
  --accent:#5EEAD4; --sky:#38BDF8; --violet:#C4B5FD;
  --on-accent:#0B1220;
  --radius:14px; --radius-sm:9px;
  --wrap:1160px; --gutter:16px;
  --font:"IBM Plex Sans Arabic",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.7;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:var(--text)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.mono,code,pre,kbd{font-family:var(--mono)}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;inset-inline-start:var(--gutter);top:-60px;background:var(--accent);color:var(--on-accent);padding:8px 14px;border-radius:8px;z-index:50;font-weight:700}
.skip:focus{top:8px}
.i{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.i-fill{fill:currentColor;stroke:none}

/* announcement */
.announce{background:var(--surface-2);border-bottom:1px solid var(--border);font-size:14px;color:var(--text-2)}
.announce .wrap{display:flex;align-items:center;justify-content:center;gap:10px;min-height:40px;text-align:center;padding-block:6px}
.announce a{color:var(--text);font-weight:600;text-decoration:none}
.announce a:hover{color:var(--accent)}
.announce .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;box-shadow:0 0 0 4px rgba(94,234,212,.15)}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:rgba(11,18,32,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.site-head .wrap{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:18px;flex:none}
.brand img{width:32px;height:32px;border-radius:8px}
.brand b{color:var(--accent);font-weight:700}
.nav{display:flex;gap:4px;margin:0;padding:0;list-style:none}
.nav a{display:block;padding:8px 12px;border-radius:8px;color:var(--text-2);text-decoration:none;font-size:15px;font-weight:500}
.nav a:hover,.nav a[aria-current="page"]{color:var(--text);background:var(--surface-2)}
.head-actions{margin-inline-start:auto;display:flex;align-items:center;gap:10px}
.lang-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--border);border-radius:8px;color:var(--text-2);text-decoration:none;font-size:14px;font-weight:600}
.lang-btn:hover{color:var(--text);border-color:var(--text-3)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:10px;font:inherit;font-weight:700;font-size:15px;line-height:1.3;text-decoration:none;cursor:pointer;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:hover{background:#8FF2E2;color:var(--on-accent)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--text)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.menu{display:none;position:relative}
.menu summary{list-style:none;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;color:var(--text);cursor:pointer}
.menu summary::-webkit-details-marker{display:none}
.menu .panel{position:absolute;inset-inline-end:0;top:50px;min-width:220px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:8px;box-shadow:0 18px 40px rgba(0,0,0,.45)}
.menu .panel a{display:block;padding:10px 12px;border-radius:8px;color:var(--text);text-decoration:none}
.menu .panel a:hover{background:var(--surface-2)}
@media (max-width:980px){.site-head .nav{display:none}.menu{display:block}}
@media (max-width:560px){.head-cta{display:none}.menu .panel .cta-in-menu{display:block}}
.menu .panel .cta-in-menu{display:none;color:var(--accent);font-weight:700}

/* sections */
section{padding-block:56px}
.sec-head{max-width:720px;margin-bottom:32px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent);margin:0 0 10px}
h1,h2,h3{line-height:1.3;margin:0;font-weight:700;text-wrap:balance}
h1{font-size:clamp(34px,6vw,56px);letter-spacing:-.01em}
h2{font-size:clamp(26px,3.6vw,36px)}
h3{font-size:20px}
.lead{font-size:clamp(17px,2vw,19px);color:var(--text-2);margin:14px 0 0;max-width:620px}
.muted{color:var(--text-2)}
.note{color:var(--text-3);font-size:14px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:3px 10px;border-radius:999px;border:1px solid var(--border);color:var(--text-2);background:var(--surface-2);white-space:nowrap}
.badge-en{color:var(--violet);border-color:rgba(196,181,253,.35)}
.badge-new{color:var(--accent);border-color:rgba(94,234,212,.35)}

/* hero */
.hero{padding-block:64px 56px;background:radial-gradient(900px 420px at 85% -10%,rgba(56,189,248,.12),transparent 60%),radial-gradient(700px 380px at 0% 10%,rgba(94,234,212,.08),transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:32px 0 0;padding:0}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin:0;display:flex;flex-direction:column-reverse}
.stat dd{margin:0;font-family:var(--mono);font-size:28px;font-weight:700;color:var(--text);line-height:1.2}
.stat dt{color:var(--text-2);font-size:14px;margin-top:4px}
.stats-src{margin-top:10px}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr;gap:36px}}
@media (max-width:420px){.stat{padding:12px}.stat dd{font-size:24px}.stats{gap:8px}}

/* demo player */
.player{background:linear-gradient(160deg,var(--surface-2),var(--surface));border:1px solid var(--border);border-radius:16px;padding:20px;min-width:0}
.player-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.player-title{font-size:16px;font-weight:700;margin:0}
.player-title[data-mode="conc"]{color:var(--sky)}
.player-title[data-mode="par"]{color:var(--accent)}
.seg{display:inline-flex;gap:4px;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:4px}
.seg button{border:0;background:transparent;color:var(--text-2);font:inherit;font-size:14px;font-weight:600;padding:6px 14px;border-radius:7px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--sky);color:var(--on-accent)}
.seg button[data-mode="par"][aria-pressed="true"]{background:var(--accent)}
.stage{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:16px 14px}
.core-row{display:flex;align-items:center;gap:10px}
.core-row+.core-row{margin-top:10px}
.core-tag{font-family:var(--mono);font-size:13px;color:var(--text-2);width:64px;flex:none}
.timeline{flex:1;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:4px;min-width:0}
.cell{height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:700;font-size:14px;color:var(--on-accent);background:var(--surface-2);border:1px dashed var(--border);transition:transform .2s,background .2s}
.cell.A.lit{background:var(--sky);border:1px solid var(--sky)}
.cell.B.lit{background:var(--violet);border:1px solid var(--violet)}
.cell.idle.lit{background:transparent;color:var(--text-3);border-style:dashed}
.cell.cur{transform:scaleY(1.12)}
.ticks{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:4px;margin-inline-start:74px;margin-top:6px;font-family:var(--mono);font-size:12px;color:var(--text-3);text-align:center}
.legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:12px;font-size:13px;color:var(--text-2)}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-inline-end:6px;vertical-align:-1px}
.legend .la{background:var(--sky)}.legend .lb{background:var(--violet)}
.now{margin:14px 0 0;min-height:52px;font-size:15px;color:var(--text)}
.now b{color:var(--accent)}
.controls{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:10px}
.ctrl{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:9px;padding:8px 14px;font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.ctrl:hover:not(:disabled){border-color:var(--sky)}
.ctrl:disabled{opacity:.45;cursor:not-allowed}
.ctrl.play{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.step-count{margin-inline-start:auto;font-family:var(--mono);font-size:14px;color:var(--text-2)}
[dir="rtl"] .flip-rtl{transform:scaleX(-1)}

/* course */
.course{display:grid;grid-template-columns:1fr 1.1fr;gap:28px;padding:28px}
.course h3{font-size:24px}
.progress{margin-top:18px}
.progress-label{display:flex;justify-content:space-between;gap:12px;font-size:15px;color:var(--text-2);margin-bottom:8px}
.progress-label b{color:var(--text);font-weight:600;font-size:16px}
.progress svg{width:100%;height:12px}
.progress .track{fill:var(--surface-2);stroke:var(--border)}
.progress .fill{fill:var(--accent)}
.lessons{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.lesson-row{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--surface-2);color:var(--text);text-decoration:none}
a.lesson-row:hover{border-color:var(--accent);color:var(--text)}
.lesson-num{width:34px;height:34px;flex:none;border-radius:9px;display:grid;place-items:center;font-family:var(--mono);font-weight:700;background:var(--bg);border:1px solid var(--border);color:var(--accent)}
.lesson-txt{flex:1;min-width:0}
.lesson-txt strong{display:block;font-weight:600;line-height:1.45}
.lesson-txt span{font-size:14px;color:var(--text-2)}
.lesson-row.locked{color:var(--text-2);border-style:dashed;background:transparent}
.lesson-row.locked .lesson-num{color:var(--text-3)}
@media (max-width:860px){.course{grid-template-columns:1fr;padding:20px}}
@media (max-width:560px){.lesson-row{flex-wrap:wrap}.lesson-row .lesson-txt{flex:1 1 calc(100% - 60px)}.lesson-row .badge{margin-inline-start:48px}}

/* reels */
.reels{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;list-style:none;margin:0;padding:0}
.reel{display:flex;flex-direction:column;overflow:hidden}
.reel-cover{position:relative;display:block;aspect-ratio:9/16;background:var(--surface-2);overflow:hidden;border-bottom:1px solid var(--border)}
.reel-cover img{width:100%;height:100%;object-fit:cover}
.reel-cover .play{position:absolute;inset-inline-start:10px;bottom:10px;width:38px;height:38px;border-radius:50%;background:rgba(11,18,32,.82);display:grid;place-items:center;color:var(--accent);border:1px solid var(--border)}
.reel-body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:8px;flex:1}
.reel-body h3{font-size:15px;font-weight:600;line-height:1.5}
.reel-body time{font-size:13px;color:var(--text-2)}
.reel-links{display:flex;gap:6px;margin-top:auto}
.reel-links a{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:10px;border:1px solid var(--border);color:var(--text-2)}
.reel-links a:hover{color:var(--accent);border-color:var(--accent)}
@media (max-width:1100px){.reels{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:640px){.reels{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.reel-body{padding:10px}}

/* upcoming */
.upcoming{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.up{padding:24px;display:flex;flex-direction:column;gap:12px}
.up-icon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--border)}
.up:nth-child(1) .up-icon{color:var(--sky)}.up:nth-child(2) .up-icon{color:var(--accent)}.up:nth-child(3) .up-icon{color:var(--violet)}
.up p{margin:0;color:var(--text-2)}
.up details{margin-top:auto}
.up summary{list-style:none}
.up summary::-webkit-details-marker{display:none}
.up details[open] summary{display:none}
@media (max-width:900px){.upcoming{grid-template-columns:1fr}}

/* forms */
.form{display:grid;gap:12px}
.field label{display:block;font-weight:600;font-size:15px;margin-bottom:6px}
.field input[type=email]{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--text);font:inherit;font-size:16px;direction:ltr;text-align:start}
[dir="rtl"] .field input[type=email]{text-align:right}
.field input[type=email]::placeholder{color:var(--text-3)}
.field input[type=email]:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.6}
.consent input{width:20px;height:20px;margin:2px 0 0;flex:none;accent-color:var(--accent)}
.cm-hpot{position:absolute;inset-inline-start:-10000px;width:1px;height:1px;overflow:hidden}
.form-msg{min-height:24px;margin:0;font-size:15px}
.form-msg[data-state="ok"]{color:var(--accent)}
.form-msg[data-state="err"]{color:#FCA5A5}
.newsletter{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:32px;align-items:start}
@media (max-width:860px){.newsletter{grid-template-columns:1fr;padding:22px}}

/* footer */
.site-foot{border-top:1px solid var(--border);padding-block:40px;color:var(--text-2);font-size:15px}
.foot-grid{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;margin:0;padding:0}
.foot-links a{color:var(--text-2);text-decoration:none}
.foot-links a:hover{color:var(--text)}
.social{display:flex;gap:8px;list-style:none;margin:0;padding:0}
.social a{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:10px;border:1px solid var(--border);color:var(--text-2)}
.social a:hover{color:var(--accent);border-color:var(--accent)}

/* prose pages (privacy, terms, course overview) */
.page{padding-block:48px 72px}
.prose{max-width:760px}
.prose h1{font-size:clamp(30px,5vw,42px)}
.prose h2{font-size:22px;margin-top:36px}
.prose p,.prose li{color:var(--text-2)}
.prose strong{color:var(--text)}
.prose ul{padding-inline-start:22px}

/* lesson shell */
.lesson-layout{display:grid;grid-template-columns:260px minmax(0,1fr) 200px;gap:36px;padding-block:36px 72px;align-items:start}
.lesson-side{position:sticky;top:84px}
.lesson-side h2{font-size:15px;color:var(--text-2);margin-bottom:10px}
.lesson-side .lessons{gap:6px}
.lesson-side .lesson-row{padding:10px 12px;gap:10px;font-size:14px}
.lesson-side .lesson-num{width:28px;height:28px;font-size:13px}
.lesson-side .lesson-row[aria-current="page"]{border-color:var(--accent)}
.lesson-toc{position:sticky;top:84px;font-size:14px}
.lesson-toc h2{font-size:14px;color:var(--text-2);margin-bottom:8px}
.lesson-toc ol{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.lesson-toc a{color:var(--text-2);text-decoration:none;display:block;padding:4px 0}
.lesson-toc a:hover,.lesson-toc a.on{color:var(--accent)}
.lang-note{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:12px;border:1px solid rgba(196,181,253,.35);background:rgba(196,181,253,.06);color:var(--text);margin-bottom:24px;font-size:15px}
.lang-note .i{color:var(--violet);margin-top:4px}
.lesson-meta{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 22px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:40px}
.pager a,.pager span{display:block;padding:14px 16px;border:1px solid var(--border);border-radius:12px;text-decoration:none;color:var(--text)}
.pager a:hover{border-color:var(--accent)}
.pager small{display:block;color:var(--text-2);font-size:13px}
.pager .next{text-align:end}
.pager .locked{color:var(--text-2);border-style:dashed}
@media (max-width:1100px){.lesson-layout{grid-template-columns:240px minmax(0,1fr)}.lesson-toc{display:none}}
@media (max-width:860px){.lesson-layout{grid-template-columns:1fr}.lesson-side{position:static;order:2}}

/* legacy lesson body, re-skinned: its own CSS keeps its old variable names,
   mapped here onto the brief's tokens. */
.content{--bg:var(--bg);--card:var(--surface);--line:var(--border);--muted:var(--text-2);
  --cyan:var(--sky);--mint:var(--accent);--indigo:var(--violet);--code-bg:#08101D;
  --amber:#FCD34D;--neon:var(--accent);--rose:#FDA4AF;min-width:0}
.content .free-tag{display:inline-flex;align-items:center;gap:6px}
.content table{display:block;max-width:100%;overflow-x:auto}
.content pre{max-width:100%;overflow-x:auto}
.content .ico{display:inline-flex;vertical-align:-3px;margin-inline-end:6px}

/* misc */
.center{text-align:center}
.notfound{padding-block:96px;text-align:center}
.notfound p{color:var(--text-2)}