.site-header{position:sticky;top:0;z-index:50;background:#fbfdffeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-soft)}.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;max-width:1180px;margin:0 auto}.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:1.25rem;color:var(--text-primary)}.brand-badge{width:42px;height:42px;border-radius:14px;background:var(--brand-gradient);display:flex;align-items:center;justify-content:center;font-size:1.4rem;box-shadow:var(--shadow-brand)}.brand-text small{display:block;font-family:var(--font-body);font-weight:500;font-size:.72rem;color:var(--text-secondary)}.main-nav{display:flex;align-items:center;gap:4px}.main-nav a{padding:9px 16px;border-radius:var(--radius-pill);font-weight:700;font-size:.94rem;color:var(--text-secondary);transition:background .15s ease,color .15s ease}.main-nav a:hover,.main-nav a.active{background:var(--state-info-bg);color:var(--color-sky-dark)}.header-cta{display:flex;align-items:center;gap:10px}.nav-toggle{display:none;background:var(--bg-muted);border:none;border-radius:12px;width:42px;height:42px;font-size:1.2rem}@media (max-width: 860px){.main-nav{display:none}.nav-toggle{display:inline-flex;align-items:center;justify-content:center}.main-nav.open{display:flex;flex-direction:column;position:absolute;top:68px;inset-inline:0;background:var(--bg-card);padding:12px 20px 20px;box-shadow:var(--shadow-md);align-items:stretch}.main-nav.open a{text-align:center;padding:12px}}.site-footer{background:var(--bg-dark);color:var(--text-on-dark);padding:48px 0 24px;margin-top:40px}.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px;max-width:1180px;margin:0 auto;padding:0 20px}.footer-brand{max-width:320px}.footer-brand .brand-badge{width:40px;height:40px;border-radius:12px;background:var(--brand-gradient);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:12px}.footer-brand h3{font-family:var(--font-display);margin:0 0 6px}.footer-brand p{color:#b9bee0;font-size:.9rem}.footer-links{display:flex;gap:48px;flex-wrap:wrap}.footer-col h4{font-size:.9rem;margin-bottom:12px;color:#c9cdf5}.footer-col a,.footer-col span{display:block;color:#e4e6fa;font-size:.88rem;margin-bottom:8px;opacity:.85}.footer-col a:hover{opacity:1;text-decoration:underline}.footer-bottom{text-align:center;margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);color:#9ba0c7;font-size:.82rem}.badge-toast{position:fixed;bottom:24px;left:24px;z-index:200;background:var(--bg-card);border:2px solid var(--color-yellow);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:14px 20px;display:flex;align-items:center;gap:12px;max-width:320px}.badge-toast .icon{font-size:2.2rem}.badge-toast .title{font-weight:800;color:var(--color-yellow-dark);font-size:.8rem}.badge-toast .text{font-weight:700;color:var(--text-primary)}@media (max-width: 640px){.badge-toast{left:12px;right:12px;max-width:none}}.assistant-chat{display:flex;flex-direction:column;height:100%}.assistant-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.msg{max-width:85%;padding:10px 14px;border-radius:var(--radius-md);font-size:.92rem;line-height:1.5}.msg-bot{align-self:flex-start;background:var(--state-info-bg);color:var(--text-primary);border-bottom-left-radius:4px}.msg-child{align-self:flex-end;background:var(--brand-gradient);color:#fff;border-bottom-right-radius:4px}.msg-title{font-weight:800;margin-bottom:4px;color:var(--color-purple)}.assistant-hint-btn{align-self:flex-start;margin-top:2px}.assistant-input-row{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border-soft)}.assistant-input-row input{flex:1}.assistant-quick-chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 12px 10px}.assistant-quick-chips button{background:var(--bg-muted);border:none;border-radius:var(--radius-pill);padding:6px 12px;font-size:.78rem;font-weight:700;color:var(--text-secondary)}.assistant-quick-chips button:hover{background:var(--color-purple-light);color:#fff}.assistant-fab{position:fixed;bottom:24px;left:24px;z-index:150;width:60px;height:60px;border-radius:50%;background:var(--brand-gradient);color:#fff;font-size:1.6rem;border:none;box-shadow:var(--shadow-brand);display:flex;align-items:center;justify-content:center}.assistant-panel{position:fixed;bottom:96px;left:24px;z-index:150;width:min(360px,calc(100vw - 32px));height:min(480px,calc(100vh - 160px));background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--border-soft)}.assistant-panel-head{background:var(--brand-gradient);color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;font-weight:800}.assistant-panel-head button{background:#fff3;border:none;color:#fff;width:28px;height:28px;border-radius:50%}@media (max-width: 640px){.assistant-fab{bottom:16px;left:16px}.assistant-panel{bottom:88px;left:16px}}:root{--color-sky: #3FC1E0;--color-sky-dark: #1FA5C9;--color-purple: #8E7CF2;--color-purple-light: #C6BDFB;--color-yellow: #FFC93C;--color-yellow-dark: #F5A623;--color-turquoise: #2DD4BF;--color-turquoise-dark: #16B3A1;--color-orange: #FF9052;--color-green: #4CD37B;--color-red: #FF6B6B;--brand-gradient: linear-gradient(120deg, var(--color-sky) 0%, var(--color-purple) 55%, var(--color-turquoise) 100%);--brand-gradient-soft: linear-gradient(120deg, #EAF7FF 0%, #F3F0FF 55%, #E8FFFC 100%);--bg-page: #FBFDFF;--bg-section-alt: #F4F8FF;--bg-card: #FFFFFF;--bg-muted: #F1F4FA;--bg-dark: #23264A;--text-primary: #262A4D;--text-secondary: #5B6180;--text-muted: #8A90AC;--text-on-brand: #FFFFFF;--text-on-dark: #F4F6FF;--border-soft: #E6EBF7;--shadow-sm: 0 2px 8px rgba(38, 42, 77, .06);--shadow-md: 0 8px 24px rgba(38, 42, 77, .1);--shadow-lg: 0 16px 40px rgba(38, 42, 77, .14);--shadow-brand: 0 10px 28px rgba(142, 124, 242, .28);--radius-sm: 10px;--radius-md: 16px;--radius-lg: 24px;--radius-pill: 999px;--font-display: "Baloo Bhaijaan 2", "Tajawal", sans-serif;--font-body: "Tajawal", "Baloo Bhaijaan 2", sans-serif;--diff-easy: #4CD37B;--diff-medium: #F5A623;--diff-hard: #FF6B6B;--state-success: #2CBE7F;--state-success-bg: #E7FBF1;--state-error: #FF6B6B;--state-error-bg: #FFEDED;--state-info-bg: #EAF6FF}*{box-sizing:border-box}html,body{padding:0;margin:0}html{scroll-behavior:smooth}body{background:var(--bg-page);color:var(--text-primary);font-family:var(--font-body);font-size:16px;line-height:1.6;direction:rtl;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 .5em;line-height:1.3}p{margin:0 0 1em}ul{margin:0;padding:0;list-style:none}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:1rem}img,svg{max-width:100%;display:block}.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}.section{padding:64px 0}.section-alt{background:var(--bg-section-alt)}.section-head{text-align:center;max-width:640px;margin:0 auto 40px}.section-eyebrow{display:inline-block;background:var(--state-info-bg);color:var(--color-sky-dark);font-weight:700;padding:6px 16px;border-radius:var(--radius-pill);font-size:.85rem;margin-bottom:14px}.section-head h2{font-size:clamp(1.5rem,3vw,2.1rem);color:var(--text-primary)}.section-head p{color:var(--text-secondary);margin-bottom:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:var(--radius-pill);padding:13px 28px;font-weight:700;font-size:1rem;transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;white-space:nowrap}.btn:active{transform:translateY(1px) scale(.98)}.btn-primary{background:var(--brand-gradient);color:var(--text-on-brand);box-shadow:var(--shadow-brand)}.btn-primary:hover{filter:brightness(1.06);box-shadow:0 14px 32px #8e7cf259}.btn-secondary{background:var(--bg-card);color:var(--color-purple);border:2px solid var(--color-purple-light)}.btn-secondary:hover{background:var(--state-info-bg)}.btn-ghost{background:transparent;color:var(--text-primary)}.btn-ghost:hover{background:var(--bg-muted)}.btn-sm{padding:8px 18px;font-size:.9rem}.btn-lg{padding:16px 36px;font-size:1.1rem}.btn-success{background:var(--state-success);color:#fff}.btn-danger{background:var(--state-error);color:#fff}.btn-icon{width:42px;height:42px;padding:0;border-radius:50%;background:var(--bg-muted);color:var(--text-primary)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-soft)}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:var(--radius-pill);font-size:.8rem;font-weight:700}.chip-easy{background:#e9fbf0;color:var(--diff-easy)}.chip-medium{background:#fff6e5;color:var(--diff-medium)}.chip-hard{background:#ffecec;color:var(--diff-hard)}.chip-neutral{background:var(--bg-muted);color:var(--text-secondary)}.grid{display:grid;gap:24px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 980px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section{padding:44px 0}}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@keyframes floaty{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.floaty{animation:floaty 3.5s ease-in-out infinite}@keyframes popIn{0%{opacity:0;transform:scale(.9) translateY(6px)}to{opacity:1;transform:scale(1) translateY(0)}}.pop-in{animation:popIn .25s ease-out}@keyframes spin{to{transform:rotate(360deg)}}.field{margin-bottom:16px}.field label{display:block;font-weight:700;margin-bottom:6px;font-size:.92rem;color:var(--text-primary)}.input,textarea.input,select.input{width:100%;padding:11px 14px;border-radius:var(--radius-sm);border:2px solid var(--border-soft);background:var(--bg-card);color:var(--text-primary);outline:none;transition:border-color .15s ease}.input:focus{border-color:var(--color-purple)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--color-purple-light);border-radius:var(--radius-pill)}::-webkit-scrollbar-track{background:transparent}.skip-link{position:absolute;right:-999px;top:0;background:var(--color-purple);color:#fff;padding:10px 16px;border-radius:0 0 0 12px;z-index:999}.skip-link:focus{right:0}.page-loading{min-height:60vh;display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--text-secondary)}