@import"/fonts/iranyekan.css";:root{color-scheme:light;--teal-900: #0b3538;--teal-800: #0f4a4f;--teal-700: #145e63;--teal-600: #1a7a80;--teal-500: #229099;--sage-500: #5d9c86;--sage-400: #76b29d;--sage-300: #9ac9b8;--sage-200: #c6e2d8;--bg: #faf9f7;--bg-soft: #f2f4f2;--surface: #ffffff;--surface-2: #f6f8f7;--text: #14211f;--text-muted: #5f706d;--text-faint: #8b9995;--border: #e3e7e5;--border-strong: #cfd6d3;--brand: var(--teal-700);--brand-hover: var(--teal-800);--brand-soft: #e8f1f1;--accent: var(--sage-500);--accent-soft: #e6f2ed;--danger: #b3261e;--danger-soft: #fbeae8;--success: #1b6b4a;--success-soft: #e6f4ed;--warning: #8a5a00;--warning-soft: #fdf2dc;--shadow-sm: 0 1px 2px rgba(11, 53, 56, .06), 0 1px 3px rgba(11, 53, 56, .04);--shadow-md: 0 4px 12px rgba(11, 53, 56, .07), 0 2px 4px rgba(11, 53, 56, .04);--shadow-lg: 0 12px 32px rgba(11, 53, 56, .1), 0 4px 8px rgba(11, 53, 56, .04);--radius-sm: 8px;--radius: 12px;--radius-lg: 18px;--radius-xl: 26px;--container: 1180px;--header-h: 68px;--ease: cubic-bezier(.4, 0, .2, 1)}:root[data-theme=dark]{color-scheme:dark;--bg: #0c1413;--bg-soft: #101b1a;--surface: #121d1c;--surface-2: #182726;--text: #e9efed;--text-muted: #9bada9;--text-faint: #71847f;--border: #22322f;--border-strong: #2e413e;--brand: var(--sage-400);--brand-hover: var(--sage-300);--brand-soft: #14302f;--accent: var(--sage-400);--accent-soft: #14302f;--danger: #f2948b;--danger-soft: #331c1a;--success: #7fcba5;--success-soft: #122c22;--warning: #e8bd72;--warning-soft: #302516;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 14px rgba(0, 0, 0, .45);--shadow-lg: 0 14px 36px rgba(0, 0, 0, .55)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:IRANYekan,Segoe UI,Tahoma,sans-serif;font-size:15px;line-height:1.9;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color .25s var(--ease),color .25s var(--ease)}.num,time,.stat-value{font-family:IRANYekanDigits,IRANYekan,sans-serif}h1,h2,h3,h4{margin:0 0 .6em;line-height:1.55;font-weight:700;letter-spacing:-.01em}h1{font-size:clamp(1.7rem,3.4vw,2.5rem)}h2{font-size:clamp(1.35rem,2.4vw,1.8rem)}h3{font-size:1.12rem}p{margin:0 0 1.1em}a{color:var(--brand);text-decoration:none;transition:color .16s var(--ease)}a:hover{color:var(--brand-hover)}img{max-width:100%;height:auto;display:block}hr{border:0;border-top:1px solid var(--border);margin:2.5rem 0}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}::selection{background:var(--sage-200);color:var(--teal-900)}:root[data-theme=dark] ::selection{background:var(--teal-700);color:#fff}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:20px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;inset-inline-start:50%;top:-60px;transform:translate(50%);background:var(--brand);color:#fff;padding:.6rem 1.2rem;border-radius:0 0 var(--radius) var(--radius);z-index:200;transition:top .2s var(--ease)}.skip-link:focus{top:0;color:#fff}.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--border)}.header-inner{height:var(--header-h);display:flex;align-items:center;gap:1.25rem}.brand{display:flex;align-items:center;flex-shrink:0}.brand img{height:27px;width:auto}.brand .logo-dark{display:none}:root[data-theme=dark] .brand .logo-light{display:none}:root[data-theme=dark] .brand .logo-dark{display:block}.header-search{flex:1 1 auto;max-width:460px;margin-inline:auto}.header-search form{position:relative}.header-search svg{position:absolute;inset-inline-start:.75rem;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--text-faint);pointer-events:none}.header-search input{width:100%;padding:.5rem .9rem .5rem 2.3rem;padding-inline-start:2.3rem;padding-inline-end:.9rem;background:var(--surface-2);border:1px solid transparent;border-radius:100px;font-size:.9rem}.header-search input:focus{background:var(--surface);border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 14%,transparent)}.header-actions{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.nav-bar{position:relative;border-top:1px solid var(--border);background:var(--surface)}.main-nav{display:flex;align-items:stretch;flex-wrap:wrap;gap:.1rem}.nav-item{position:static;display:flex}.nav-link{display:inline-flex;align-items:center;gap:.3rem;padding:.7rem .8rem;color:var(--text-muted);font-size:.91rem;font-weight:500;white-space:nowrap;border-bottom:2px solid transparent;transition:color .16s var(--ease),border-color .16s var(--ease)}.nav-link:hover,.nav-item:hover>.nav-link{color:var(--brand);border-bottom-color:var(--brand)}.nav-link.active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}.nav-link .caret{width:12px;height:12px;opacity:.55;transition:transform .18s var(--ease)}.nav-item:hover>.nav-link .caret{transform:rotate(180deg)}.mega-panel{position:absolute;inset-inline:0;top:100%;z-index:90;background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);visibility:hidden;opacity:0;transform:translateY(-6px);transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s}.nav-item:hover>.mega-panel,.nav-item:focus-within>.mega-panel{visibility:visible;opacity:1;transform:translateY(0)}.mega-inner{display:grid;grid-template-columns:1fr 330px;max-width:var(--container);margin-inline:auto}.mega-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem 1.5rem;padding:1.5rem 1.6rem;align-content:start}.mega-col-head{display:block;font-size:.89rem;font-weight:700;color:var(--text);padding-bottom:.5rem;margin-bottom:.5rem;border-bottom:1px solid var(--border)}.mega-col-head:hover{color:var(--brand)}.mega-list{list-style:none;margin:0;padding:0}.mega-list li{margin-bottom:.32rem}.mega-list a{font-size:.84rem;color:var(--text-muted)}.mega-list a:hover{color:var(--brand)}.mega-books{background:var(--bg-soft);border-inline-start:1px solid var(--border);padding:1.5rem 1.4rem}.mega-books-head{font-size:.78rem;font-weight:700;color:var(--text-faint);margin-bottom:.9rem}.mega-books-row{display:grid;grid-template-columns:repeat(4,1fr);gap:.65rem}.mega-book{display:block;color:var(--text)}.mega-book-cover{display:grid;position:relative;aspect-ratio:3/4;margin-bottom:.4rem;border-radius:6px;overflow:hidden;background:var(--surface-2);box-shadow:var(--shadow-sm);transition:transform .18s var(--ease)}.mega-book-cover>img{width:100%;height:100%;object-fit:cover;grid-area:1/1}.mega-book:hover .mega-book-cover{transform:translateY(-3px)}.mega-book-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.74rem;font-weight:600;line-height:1.5;direction:ltr;text-align:right}.mega-book:hover .mega-book-title{color:var(--brand)}.mega-book-author{display:block;font-size:.68rem;color:var(--text-faint);direction:ltr;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mega-all{display:inline-flex;align-items:center;gap:.35rem;margin-top:1rem;font-size:.84rem;font-weight:600}.mega-all svg{width:14px;height:14px;transform:scaleX(-1)}.icon-btn{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;transition:all .16s var(--ease)}.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}.icon-btn svg{width:18px;height:18px}.theme-toggle .icon-moon{display:none}:root[data-theme=dark] .theme-toggle .icon-sun{display:none}:root[data-theme=dark] .theme-toggle .icon-moon{display:block}.nav-toggle{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.62rem 1.35rem;border:1px solid transparent;border-radius:var(--radius-sm);font:inherit;font-size:.94rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .16s var(--ease)}.btn svg{width:17px;height:17px;flex-shrink:0}.btn-primary{background:var(--teal-700);color:#fff}.btn-primary:hover{background:var(--teal-800);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}:root[data-theme=dark] .btn-primary{background:var(--sage-400);color:#07201f}:root[data-theme=dark] .btn-primary:hover{background:var(--sage-300);color:#07201f}.btn-outline{background:transparent;color:var(--text);border-color:var(--border-strong)}.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover{background:var(--surface-2);color:var(--text)}.btn-danger{background:transparent;color:var(--danger);border-color:color-mix(in srgb,var(--danger) 35%,transparent)}.btn-danger:hover{background:var(--danger-soft)}.btn-sm{padding:.38rem .8rem;font-size:.85rem}.btn-lg{padding:.85rem 1.9rem;font-size:1rem}.btn-block{width:100%}.hero{position:relative;padding:clamp(3rem,7vw,5.5rem) 0 clamp(2.5rem,5vw,4rem);overflow:hidden}.hero:before{content:"";position:absolute;z-index:0;inset-block-start:-45%;inset-inline-start:-10%;width:780px;height:780px;background:radial-gradient(circle,color-mix(in srgb,var(--sage-400) 22%,transparent) 0%,transparent 62%);pointer-events:none}.hero-inner{position:relative;z-index:1;max-width:680px}.hero .eyebrow{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem .9rem;background:var(--brand-soft);color:var(--brand);border-radius:100px;font-size:.82rem;font-weight:600;margin-bottom:1.4rem}.hero .eyebrow:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}.hero h1{font-size:clamp(2rem,4.6vw,3.1rem);line-height:1.45;margin-bottom:.7rem}.hero h1 .accent{color:var(--brand)}.hero .lead{font-size:clamp(1rem,1.5vw,1.12rem);color:var(--text-muted);max-width:560px;margin-bottom:2rem}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:2.6rem}.hero-stats{display:flex;flex-wrap:wrap;gap:2.6rem}.stat-value{font-size:1.65rem;font-weight:700;color:var(--text);line-height:1.3}.stat-label{font-size:.85rem;color:var(--text-faint)}.section{padding:clamp(2.5rem,5vw,4rem) 0}.section-alt{background:var(--bg-soft)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1.5rem;margin-bottom:2rem;flex-wrap:wrap}.section-head h2{margin:0 0 .25rem}.section-head .sub{color:var(--text-muted);font-size:.94rem;margin:0}.link-more{display:inline-flex;align-items:center;gap:.35rem;font-size:.92rem;font-weight:600;white-space:nowrap}.link-more svg{width:15px;height:15px}.link-more svg{transform:scaleX(-1);transition:transform .18s var(--ease)}.link-more:hover svg{transform:scaleX(-1) translate(3px)}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(212px,1fr));gap:1.6rem 1.4rem}.book-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}.book-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-strong)}.book-cover{position:relative;aspect-ratio:3 / 4;display:grid;background:var(--surface-2);overflow:hidden}.book-cover>img{width:100%;height:100%;object-fit:cover;grid-area:1/1}.cover-fallback{grid-area:1/1;display:flex;flex-direction:column;justify-content:space-between;padding:1.15rem 1rem;background:linear-gradient(150deg,var(--cover-a, var(--teal-700)),var(--cover-b, var(--teal-900)));color:#fff}.cover-fallback .cf-mark{font-family:IRANYekanDigits,sans-serif;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;opacity:.72}.cover-fallback .cf-title{font-size:.98rem;font-weight:700;line-height:1.5;direction:ltr;text-align:left;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.cover-fallback .cf-author{font-size:.74rem;opacity:.75;direction:ltr;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cover-fallback:after{content:"";position:absolute;inset-block:0;inset-inline-start:0;width:7px;background:#0000002b}.book-badge{position:absolute;top:.7rem;inset-inline-end:.7rem;padding:.2rem .6rem;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(6px);color:var(--brand);border-radius:100px;font-size:.72rem;font-weight:700;box-shadow:var(--shadow-sm)}.book-body{padding:.95rem 1rem 1.1rem;display:flex;flex-direction:column;flex:1}.book-cat{font-size:.76rem;color:var(--accent);font-weight:600;margin-bottom:.3rem}.book-title{font-size:.98rem;font-weight:700;line-height:1.55;margin:0 0 .25rem;direction:ltr;text-align:right;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-card a.book-title-link{color:var(--text)}.book-card:hover .book-title{color:var(--brand)}.book-author{font-size:.8rem;color:var(--text-faint);margin:0 0 .75rem;direction:ltr;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.book-meta{margin-top:auto;padding-top:.7rem;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:.78rem;color:var(--text-faint)}.book-meta .dl{display:inline-flex;align-items:center;gap:.3rem}.book-meta svg{width:13px;height:13px}.level-chip{display:inline-block;padding:.12rem .5rem;background:var(--accent-soft);color:var(--accent);border-radius:5px;font-size:.72rem;font-weight:700;font-family:IRANYekanDigits,sans-serif}.hero-compact{padding:clamp(2.2rem,4.5vw,3.4rem) 0 clamp(1.6rem,3vw,2.4rem)}.hero-compact h1{font-size:clamp(1.8rem,3.8vw,2.7rem)}.rail-wrap{position:relative}.book-rail{display:flex;gap:.85rem;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:4px 0 10px;margin:-4px 0 -10px}.book-rail::-webkit-scrollbar{display:none}.book-rail>*{flex:0 0 auto;scroll-snap-align:start}.book-rail:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:6px}.mini-card{display:block;width:128px;color:var(--text)}.mini-cover{position:relative;display:grid;aspect-ratio:3 / 4;margin-bottom:.5rem;border-radius:8px;overflow:hidden;background:var(--surface-2);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:transform .18s var(--ease),box-shadow .18s var(--ease)}.mini-cover>img{width:100%;height:100%;object-fit:cover;grid-area:1/1}.mini-card:hover .mini-cover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.mini-cover .cover-fallback{padding:.6rem .5rem}.mini-cover .cover-fallback .cf-mark{font-size:.5rem}.mini-cover .cover-fallback .cf-title{font-size:.66rem;-webkit-line-clamp:3;line-height:1.45}.mini-cover .cover-fallback .cf-author{font-size:.56rem}.mini-cover .cover-fallback:after{width:4px}.mini-badge{position:absolute;top:.35rem;inset-inline-end:.35rem;padding:.1rem .4rem;background:var(--surface);color:var(--brand);border-radius:100px;font-size:.6rem;font-weight:700}.mini-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.78rem;font-weight:600;line-height:1.55;direction:ltr;text-align:right}.mini-card:hover .mini-title{color:var(--brand)}.mini-author{display:block;font-size:.68rem;color:var(--text-faint);direction:ltr;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:.1rem}.rail-nav{position:absolute;top:calc((128px * 4 / 3) / 2);transform:translateY(-50%);z-index:5;display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--border);border-radius:50%;background:var(--surface);color:var(--text);box-shadow:var(--shadow-md);cursor:pointer;opacity:0;transition:opacity .18s var(--ease),background-color .16s var(--ease),color .16s var(--ease)}.rail-nav svg{width:17px;height:17px}.rail-nav:hover{background:var(--brand);color:#fff;border-color:var(--brand)}:root[data-theme=dark] .rail-nav:hover{color:#07201f}.rail-prev{inset-inline-start:-17px}.rail-next{inset-inline-end:-17px}.rail-wrap:hover .rail-nav:not([hidden]),.rail-nav:focus-visible{opacity:1}.rail-nav[hidden]{display:none}@media(max-width:1240px){.rail-prev{inset-inline-start:2px}.rail-next{inset-inline-end:2px}}@media(hover:none){.rail-nav{display:none!important}}@media(max-width:768px){.mini-card{width:116px}.book-rail{gap:.7rem}.rail-nav{top:calc((116px * 4 / 3) / 2)}}@media(max-width:420px){.mini-card{width:106px}}.cat-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:.7rem}.cat-tile{display:flex;flex-direction:column;align-items:center;gap:.55rem;padding:1.1rem .7rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);text-align:center;transition:all .18s var(--ease)}.cat-tile:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-md)}.cat-tile-icon{display:grid;place-items:center;width:38px;height:38px;background:var(--brand-soft);color:var(--brand);border-radius:10px}.cat-tile-icon svg{width:19px;height:19px}.cat-tile-name{font-size:.83rem;font-weight:600;line-height:1.5}.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1rem}.cat-card{display:block;padding:1.5rem 1.35rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--text);transition:all .2s var(--ease)}.cat-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-md);color:var(--text)}.cat-icon{display:grid;place-items:center;width:44px;height:44px;background:var(--brand-soft);color:var(--brand);border-radius:var(--radius);margin-bottom:.9rem}.cat-icon svg{width:21px;height:21px}.cat-card h3{font-size:1.02rem;margin:0 0 .3rem}.cat-card p{font-size:.85rem;color:var(--text-muted);margin:0 0 .7rem;line-height:1.75}.cat-count{font-size:.78rem;color:var(--text-faint);font-family:IRANYekanDigits,sans-serif}.cat-header{display:flex;align-items:center;gap:1.1rem;flex-wrap:wrap;margin-bottom:1.6rem}.cat-header h1{margin:0 0 .15rem;font-size:clamp(1.5rem,3vw,2.1rem)}.cat-header .sub{margin:0;color:var(--text-muted);font-size:.92rem}.cat-header>a{margin-inline-start:auto}.cat-header-icon{display:grid;place-items:center;width:52px;height:52px;flex-shrink:0;background:var(--brand-soft);color:var(--brand);border-radius:var(--radius)}.cat-header-icon svg{width:25px;height:25px}.filter-bar{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.15rem 1.25rem;margin-bottom:2rem}.filter-row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.search-field{position:relative;flex:1 1 260px}.search-field svg{position:absolute;inset-inline-start:.8rem;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--text-faint);pointer-events:none}.search-field input{padding-inline-start:2.4rem}.chip-row{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.9rem}.chip{padding:.34rem .85rem;background:var(--surface-2);border:1px solid var(--border);border-radius:100px;font-size:.84rem;color:var(--text-muted);transition:all .16s var(--ease)}.chip:hover{border-color:var(--brand);color:var(--brand)}.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}:root[data-theme=dark] .chip.active{color:#07201f}.result-info{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;margin-bottom:1.4rem;font-size:.9rem;color:var(--text-muted)}.field{margin-bottom:1.15rem}.field label,.form-label{display:block;margin-bottom:.4rem;font-size:.88rem;font-weight:600;color:var(--text)}.field .hint{font-size:.8rem;color:var(--text-faint);margin-top:.35rem;line-height:1.7}input[type=text],input[type=search],input[type=password],input[type=email],input[type=number],input[type=url],select,textarea{width:100%;padding:.6rem .85rem;font:inherit;font-size:.92rem;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);transition:border-color .16s var(--ease),box-shadow .16s var(--ease)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 16%,transparent)}input::placeholder,textarea::placeholder{color:var(--text-faint)}textarea{resize:vertical;min-height:110px;line-height:1.9}input.ltr,textarea.ltr{direction:ltr;text-align:left}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235f706d' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 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