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;color-scheme:light;--rail:178px;--rail-cols:4;--road-band:52px;--road-clear:18px;--font-ar:"Tajawal", "Segoe UI", "Noto Naskh Arabic", "Tahoma", system-ui, sans-serif;--canvas:#f6f7f2;--surface:#fff;--sage:#eaf2ec;--sage-deep:#dceae0;--ink:#18231c;--ink-soft:#34463b;--ink-faint:#626e67;--line:#d9e2da;--line-strong:#828783;--table-head:#d3d8d3;--table-row-a:#ecefea;--table-row-b:#fafbf8;--table-line:#666c67;--navy:#183d5d;--navy-soft:#2a5a82;--brand:#276749;--brand-strong:#1f563d;--brand-deep:#16412e;--on-brand:#fff;--select:#2563eb;--select-soft:#eaf1ff;--correct:#16845b;--correct-ink:#157c56;--correct-soft:#e6f6ef;--wrong:#c4474d;--wrong-ink:#b84348;--wrong-soft:#fcebec;--amber:#d39528;--amber-ink:#91661b;--amber-soft:#fff4d8;--info:#3973b9;--shadow-sm:0 1px 2px #18231c0d, 0 10px 26px -14px #18231c29;--shadow-md:0 2px 4px #18231c0f, 0 16px 34px -16px #18231c38;--shadow-lg:0 4px 8px #18231c12, 0 30px 60px -24px #18231c47;--radius-sm:10px;--radius:14px;--radius-lg:22px;--step:.22s;--ease:cubic-bezier(.22, .61, .36, 1);--page:1180px;--gutter:clamp(16px, 4vw, 40px);--focus:0 0 0 3px var(--surface), 0 0 0 5px var(--select)}*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-block-start:96px}@media (prefers-reduced-motion:no-preference){html:has(.roadsign-group:target){scroll-behavior:smooth}}html,body{background:var(--canvas);color:var(--ink);font-family:var(--font-ar);letter-spacing:0;-webkit-text-size-adjust:100%;margin:0;padding:0;font-size:16px;font-weight:400;line-height:1.85}body{min-height:100vh;overflow-x:clip}h1,h2,h3,h4{letter-spacing:0;color:var(--ink);margin:0;font-weight:800;line-height:1.4}h1{font-size:clamp(1.95rem,1.2rem + 3vw,3.3rem);line-height:1.22}h2{font-size:clamp(1.5rem,1.1rem + 1.6vw,2.2rem)}h3{font-size:clamp(1.08rem,1rem + 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20px;font-size:1rem;font-weight:800}.kicker-topic:before{width:9px;height:9px}.lead{color:var(--ink-soft);max-width:62ch;font-size:clamp(1rem,.96rem + .3vw,1.1rem)}.section-head{gap:14px;margin-block-end:clamp(24px,3vw,40px);display:grid}.section-head.centred{text-align:center;justify-items:center}.section-head.centred .lead{text-align:center}.btn{border:1px solid var(--brand);background:var(--surface);min-height:52px;color:var(--brand);font:inherit;cursor:pointer;transition:background var(--step) var(--ease), border-color var(--step) var(--ease), color var(--step) var(--ease), transform var(--step) var(--ease), box-shadow var(--step) var(--ease);border-radius:12px;justify-content:center;align-items:center;gap:10px;padding:12px 26px;font-size:1rem;font-weight:700;text-decoration:none;display:inline-flex}.btn:hover{background:var(--sage);border-color:var(--brand-strong);color:var(--brand-strong);transform:translateY(-2px)}.btn:active{transform:none}.btn:disabled,.btn[aria-disabled=true]{background:var(--sage);border-color:var(--line);color:var(--ink-faint);cursor:not-allowed;transform:none}.btn-primary{background:var(--brand);border-color:var(--brand);color:var(--on-brand);box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--brand-strong);border-color:var(--brand-strong);color:var(--on-brand);box-shadow:var(--shadow-md)}.btn-primary:disabled{background:var(--sage);border-color:var(--line);color:var(--ink-faint);box-shadow:none}.btn-quiet{border-color:var(--line-strong);color:var(--ink-soft)}.btn-danger{background:var(--wrong);border-color:var(--wrong-ink);color:#fff;box-shadow:var(--shadow-sm)}.btn-danger:hover{background:var(--wrong-ink);border-color:var(--wrong-ink);color:#fff}.btn-danger:focus-visible{box-shadow:var(--focus)}.btn-quiet:hover{border-color:var(--brand);color:var(--brand-strong)}.btn-sm{border-radius:var(--radius-sm);min-height:42px;padding:8px 18px;font-size:.9rem}.btn-row{flex-wrap:wrap;gap:12px;display:flex}.chev{border:2.5px solid;border-width:0 2.5px 2.5px 0;flex:none;width:10px;height:10px}.chev-back{transform:rotate(-45deg)}.chev-fwd{transform:rotate(135deg)}.site-header{z-index:40;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-block-end:1px solid var(--line);background:#f6f7f2eb;position:sticky;top:0}.header-bar{min-height:var(--nav-header-height);flex-wrap:nowrap;align-items:center;gap:18px;display:flex}@media (width>=1000.02px){.header-bar{gap:32px}}.brand{color:inherit;align-items:center;gap:12px;text-decoration:none;display:inline-flex}.brand-lockup{align-items:center;gap:12px;display:inline-flex}.wordmark{text-align:start;line-height:1.12;display:block}.brand-word{letter-spacing:0;color:var(--navy);font-size:1.62rem;font-weight:800;display:block}.brand-tag{letter-spacing:0;color:var(--brand-strong);margin-block-start:3px;font-size:.84rem;font-weight:700;display:block}.wordmark-on-dark .brand-word{color:#fff}.wordmark-on-dark .brand-tag{color:#b9cdc0}@media (width<=560px){.brand-word{font-size:1.34rem}.brand-tag{font-size:.76rem}.brand-lockup{gap:10px}}.site-nav{flex-shrink:0;align-items:center;gap:4px;display:flex}.site-nav a{white-space:nowrap;border-radius:var(--radius-sm);color:var(--ink-soft);transition:background var(--step) var(--ease), color var(--step) var(--ease);padding:9px 14px;font-size:.95rem;font-weight:700;text-decoration:none}.site-nav a:hover{background:var(--sage);color:var(--brand-strong)}.site-nav a[aria-current=page],.site-nav a[aria-current=location]{background:var(--brand);color:var(--on-brand)}.nav-toggle,.nav-toggle-btn{display:none}@media (width<=1000px){.site-nav{display:none}.nav-toggle-btn{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);min-width:48px;min-height:48px;color:var(--ink-soft);font:inherit;cursor:pointer;justify-content:center;align-items:center;gap:8px;margin-inline-start:auto;padding:10px 16px;font-size:.92rem;font-weight:700;display:inline-flex}.nav-bars{gap:4px;display:grid}.nav-bars i{background:currentColor;border-radius:2px;width:18px;height:2px;display:block}}:root{--nav-overlay-exit:.22s;--nav-header-height:76px}.nav-overlay{z-index:90;visibility:hidden;pointer-events:none;transition:visibility 0s linear var(--nav-overlay-exit);position:fixed;inset:0}.nav-overlay.is-open{visibility:visible;pointer-events:auto;transition:visibility}.nav-overlay-backdrop{cursor:pointer;opacity:0;transition:opacity var(--nav-overlay-exit) var(--ease);background:#101a147a;border:0;margin:0;padding:0;position:absolute;inset:0}.nav-overlay.is-open .nav-overlay-backdrop{opacity:1}.nav-overlay-dock{pointer-events:none;flex-direction:column;justify-content:flex-start;display:flex;position:absolute;inset-block-start:var(--nav-header-height);inset-block-end:0;inset-inline:0;overflow:hidden}.nav-overlay-panel{pointer-events:auto;min-height:0;max-height:100%;padding:14px 18px calc(18px + env(safe-area-inset-bottom,0px));background:var(--surface);border-block-end:1px solid var(--line);opacity:0;transition:opacity var(--nav-overlay-exit) var(--ease), transform var(--nav-overlay-exit) var(--ease);border-end-end-radius:var(--radius-lg);border-end-start-radius:var(--radius-lg);flex-direction:column;flex:0 auto;display:flex;position:relative;overflow:hidden;transform:translateY(-16px);box-shadow:0 18px 44px #101a1438}.nav-overlay.is-open .nav-overlay-panel{opacity:1;transform:translateY(0)}.nav-overlay-head{flex:none}.mobile-nav{overscroll-behavior:contain;gap:8px;min-height:0;padding:0;display:grid;overflow-y:auto}.mobile-nav a{border-radius:var(--radius-sm);min-height:52px;color:var(--ink-soft);background:var(--surface);border:1px solid var(--line);align-items:center;padding:12px 16px;font-size:1.02rem;font-weight:700;text-decoration:none;display:flex}.mobile-nav a:hover{background:var(--sage);color:var(--brand-strong)}.mobile-nav a[aria-current=page],.mobile-nav a[aria-current=location]{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}.nav-overlay-close{border:1px solid var(--line-strong);border-radius:var(--radius-sm);width:100%;min-height:48px;color:var(--ink-soft);font:inherit;cursor:pointer;background:0 0;justify-content:center;align-items:center;margin-block-end:12px;font-weight:700;display:flex}@media (height<=560px){.mobile-nav{gap:6px}.mobile-nav a{min-height:44px;padding:8px 14px}.nav-overlay-panel{padding-block:10px calc(12px + env(safe-area-inset-bottom,0px))}.nav-overlay-close{flex:none;min-height:44px;margin-block-end:8px}}@media (width>=1000.02px){.nav-overlay{display:none}}@media (prefers-reduced-motion:reduce){.nav-overlay-backdrop,.nav-overlay-panel{opacity:1;transition:none;transform:none}}.hero{background:var(--canvas);position:relative;overflow:hidden}.hero-grid{grid-template-columns:1fr;align-items:center;gap:clamp(28px,4vw,56px);padding-block:clamp(44px,6vw,90px);display:grid}@media (width>=960px){.hero-grid{grid-template-columns:1.05fr .95fr}}.hero-copy{justify-items:start;gap:20px;display:grid}.hero-title{line-height:1.28}.hero-line{display:block}.hero-line+.hero-line{margin-block-start:16px}.hero-line-accent{color:var(--brand)}@media (width<=640px){.hero-line+.hero-line{margin-block-start:11px}}.hero .lead{font-size:clamp(1.02rem,.98rem + .4vw,1.16rem)}.hero-facts{flex-wrap:wrap;gap:10px;display:flex}.fact{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);gap:2px;padding:12px 18px;display:grid}.fact b{font-variant-numeric:tabular-nums;color:var(--brand);font-size:1.6rem;line-height:1.15}.fact span{color:var(--ink-soft);white-space:nowrap;font-size:.95rem;font-weight:700;line-height:1.35}.road-panel{border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-lg);gap:16px;padding:22px;display:grid;position:relative}.road{aspect-ratio:4/3;border-radius:var(--radius);background:var(--sage);border:1px solid var(--line);max-height:320px;position:relative;overflow:hidden}@media (width>=640px){.road{aspect-ratio:16/9;max-height:400px}}@media (width>=1100px){.road{aspect-ratio:3/2;max-height:420px}}.road-surface{clip-path:polygon(38% 0,62% 0,100% 100%,0 100%);background:#e2e8e3;position:absolute;inset-block:0;inset-inline:12%}.road-dash{background:repeating-linear-gradient(to bottom, var(--surface) 0 22px, transparent 22px 46px);width:6px;margin-inline-start:-3px;animation:2.4s linear infinite road-move;position:absolute;inset-block:0;inset-inline-start:50%}@keyframes road-move{0%{background-position-y:0}to{background-position-y:46px}}.road-horizon{inset-inline:0;background:linear-gradient(var(--sage-deep), var(--sage));height:34%;position:absolute;top:0}.road-sign{top:18px;filter:drop-shadow(0 6px 10px #18231c2e);position:absolute;inset-inline-end:16px}.road-note{align-items:center;gap:12px;display:flex}.road-note .badge{background:var(--sage);width:42px;height:42px;color:var(--brand);border:1px solid var(--line);border-radius:12px;flex:none;place-items:center;display:grid}.road-note strong{color:var(--ink);font-size:1.12rem;font-weight:800;line-height:1.4;display:block}.road-note small{color:var(--ink-soft);font-size:.95rem;font-weight:500;line-height:1.55;display:block}.grid{gap:18px;display:grid}.grid-3{grid-template-columns:repeat(auto-fit,minmax(268px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.card{background:var(--surface);border:1px solid 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