@keyframes spinner-spin{to{transform:rotate(360deg)}}ul{box-sizing:border-box;list-style:none}:root{--wp-block-synced-color:#7a00df;--wp-block-synced-color--rgb:122,0,223;--wp-bound-block-color:var(--wp-block-synced-color);--wp-editor-canvas-background:#ddd;--wp-admin-theme-color:#007cba;--wp-admin-theme-color--rgb:0,124,186;--wp-admin-theme-color-darker-10:#006ba1;--wp-admin-theme-color-darker-10--rgb:0,107,160.5;--wp-admin-theme-color-darker-20:#005a87;--wp-admin-theme-color-darker-20--rgb:0,90,135;--wp-admin-border-width-focus:2px}@media (min-resolution:192dpi){:root{--wp-admin-border-width-focus:1.5px}}:root{--wp--preset--font-size--normal:16px;--wp--preset--font-size--huge:42px;--wp--preset--aspect-ratio--square:1;--wp--preset--aspect-ratio--4-3:4/3;--wp--preset--aspect-ratio--3-4:3/4;--wp--preset--aspect-ratio--3-2:3/2;--wp--preset--aspect-ratio--2-3:2/3;--wp--preset--aspect-ratio--16-9:16/9;--wp--preset--aspect-ratio--9-16:9/16;--wp--preset--color--black:#000000;--wp--preset--color--cyan-bluish-gray:#abb8c3;--wp--preset--color--white:#ffffff;--wp--preset--color--pale-pink:#f78da7;--wp--preset--color--vivid-red:#cf2e2e;--wp--preset--color--luminous-vivid-orange:#ff6900;--wp--preset--color--luminous-vivid-amber:#fcb900;--wp--preset--color--light-green-cyan:#7bdcb5;--wp--preset--color--vivid-green-cyan:#00d084;--wp--preset--color--pale-cyan-blue:#8ed1fc;--wp--preset--color--vivid-cyan-blue:#0693e3;--wp--preset--color--vivid-purple:#9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple:linear-gradient(135deg,rgb(6,147,227) 0%,rgb(155,81,224) 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan:linear-gradient(135deg,rgb(122,220,180) 0%,rgb(0,208,130) 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange:linear-gradient(135deg,rgb(252,185,0) 0%,rgb(255,105,0) 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red:linear-gradient(135deg,rgb(255,105,0) 0%,rgb(207,46,46) 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray:linear-gradient(135deg,rgb(238,238,238) 0%,rgb(169,184,195) 100%);--wp--preset--gradient--cool-to-warm-spectrum:linear-gradient(135deg,rgb(74,234,220) 0%,rgb(151,120,209) 20%,rgb(207,42,186) 40%,rgb(238,44,130) 60%,rgb(251,105,98) 80%,rgb(254,248,76) 100%);--wp--preset--gradient--blush-light-purple:linear-gradient(135deg,rgb(255,206,236) 0%,rgb(152,150,240) 100%);--wp--preset--gradient--blush-bordeaux:linear-gradient(135deg,rgb(254,205,165) 0%,rgb(254,45,45) 50%,rgb(107,0,62) 100%);--wp--preset--gradient--luminous-dusk:linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%);--wp--preset--gradient--pale-ocean:linear-gradient(135deg,rgb(255,245,203) 0%,rgb(182,227,212) 50%,rgb(51,167,181) 100%);--wp--preset--gradient--electric-grass:linear-gradient(135deg,rgb(202,248,128) 0%,rgb(113,206,126) 100%);--wp--preset--gradient--midnight:linear-gradient(135deg,rgb(2,3,129) 0%,rgb(40,116,252) 100%);--wp--preset--font-size--small:13px;--wp--preset--font-size--medium:20px;--wp--preset--font-size--large:36px;--wp--preset--font-size--x-large:42px;--wp--preset--spacing--20:0.44rem;--wp--preset--spacing--30:0.67rem;--wp--preset--spacing--40:1rem;--wp--preset--spacing--50:1.5rem;--wp--preset--spacing--60:2.25rem;--wp--preset--spacing--70:3.38rem;--wp--preset--spacing--80:5.06rem;--wp--preset--shadow--natural:6px 6px 9px rgba(0, 0, 0, 0.2);--wp--preset--shadow--deep:12px 12px 50px rgba(0, 0, 0, 0.4);--wp--preset--shadow--sharp:6px 6px 0px rgba(0, 0, 0, 0.2);--wp--preset--shadow--outlined:6px 6px 0px -3px rgb(255, 255, 255), 6px 6px rgb(0, 0, 0);--wp--preset--shadow--crisp:6px 6px 0px rgb(0, 0, 0);--brand:#1565C0;--brand-dark:#0D47A1;--brand-light:#E3F2FD;--brand-glow:rgba(21, 101, 192, 0.18);--accent:#E65100;--accent-light:#FFF3E0;--text:#1A1A2E;--text-muted:#6B7280;--text-light:#9CA3AF;--bg:#F5F7FC;--white:#FFFFFF;--border:#E5E7EB;--border-strong:#D1D5DB;--shadow-xs:0 1px 3px rgba(0,0,0,0.07);--shadow-sm:0 2px 8px rgba(0,0,0,0.08);--shadow-md:0 8px 24px rgba(0,0,0,0.11);--shadow-lg:0 16px 48px rgba(0,0,0,0.14);--shadow-blue:0 4px 14px rgba(21,101,192,0.22);--radius-sm:6px;--radius:10px;--radius-lg:14px;--radius-xl:20px;--radius-full:9999px;--lvl-1-bg:#E8F5E9;--lvl-1-text:#2E7D32;--lvl-2-bg:#E3F2FD;--lvl-2-text:#1565C0;--lvl-3-bg:#FFF8E1;--lvl-3-text:#F57F17;--lvl-4-bg:#FCE4EC;--lvl-4-text:#C62828;--lvl-5-bg:#F3E5F5;--lvl-5-text:#6A1B9A;--lvl-6-bg:#E8EAF6;--lvl-6-text:#283593;--lvl-7-bg:#FBE9E7;--lvl-7-text:#BF360C;--lvl-8-bg:#F1F8E9;--lvl-8-text:#33691E;--lvl-9-bg:#E0F2F1;--lvl-9-text:#00695C;--lvl-10-bg:#212121;--lvl-10-text:#FFD54F;--nav-height:60px}#page-loader{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:rgb(255 255 255/.92);transition:opacity .3s ease,visibility .3s ease;opacity:1;visibility:visible}.modern-spinner{width:36px;height:36px;border:3px solid rgb(21 101 192/.12);border-top-color:var(--brand);border-radius:50%;animation:spinner-spin .75s linear infinite}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:"Inter","Nunito",system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit}button{font-family:inherit}h1,h2,h3{line-height:1.25;font-weight:700}.container{max-width:1200px;margin-inline:auto;padding-inline:24px}.btn,a{text-decoration:none}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;border:0;transition:background .15s,color .15s,box-shadow .15s,transform .12s;white-space:nowrap;line-height:1.4}.btn:hover{transform:translateY(-1px)}.btn-outline{border:1.5px solid var(--border-strong);color:var(--text);background:var(--white)}.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}.btn-solid{background:var(--brand);color:var(--white)}.btn-solid:hover{background:var(--brand-dark);box-shadow:var(--shadow-blue)}.site-header{position:sticky;top:0;z-index:1000;background:var(--white);border-bottom:1px solid var(--border);box-shadow:var(--shadow-xs)}.custom-logo-link,.nav-inner{display:flex;align-items:center}.nav-inner{gap:28px;height:var(--nav-height)}.custom-logo-link{flex-shrink:0;transition:opacity .2s}.custom-logo-link:hover{opacity:.85}.custom-logo-link .custom-logo{height:36px;width:auto;max-width:160px;object-fit:contain;display:block}.nav-links{display:flex;gap:2px;flex:1}.nav-links a{font-size:14px;font-weight:500;color:var(--text-muted);padding:6px 12px;transition:background .12s,color .12s;white-space:nowrap}.nav-links a:hover{background:var(--brand-light);color:var(--brand)}.nav-right{display:flex;align-items:center;gap:8px;flex-shrink:0}.nav-links a,.nav-toggle{border-radius:var(--radius-sm)}.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;border:0;background:0 0}.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .22s}.lang-switcher{position:relative}.lang-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--white);font-size:12px;font-weight:700;color:var(--text);cursor:pointer;font-family:inherit;transition:border-color .15s,box-shadow .15s;white-space:nowrap}.lang-btn:hover{border-color:var(--brand)}.lang-flag{font-size:1.15em;line-height:1}.lang-chevron{transition:transform .2s;opacity:.45}.lang-dropdown{display:none;flex-direction:column;position:absolute;top:calc(100% + 7px);right:0;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);min-width:155px;z-index:500;overflow:hidden}.lang-option{display:flex;align-items:center;gap:10px;padding:9px 14px;font-size:13px;color:var(--text);text-decoration:none;transition:background .1s;border-bottom:1px solid var(--border)}.lang-option:last-child{border-bottom:none}.lang-option:hover{background:var(--bg)}.lang-option.is-active{background:var(--brand-light);color:var(--brand)}.footer-links a:hover,.lang-option.is-active .lang-option-code,.lang-option.is-active svg,.tc-stat-chip svg{color:var(--brand)}.lang-option-code{font-weight:800;font-size:11px;letter-spacing:.03em;color:var(--text-light);min-width:22px}.site-footer{background:var(--white);border-top:1px solid var(--border);padding:28px 24px;margin-top:56px}.footer-inner{max-width:1200px;margin-inline:auto;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}.footer-logo{font-size:16px;font-weight:800;color:var(--brand)}.footer-copy,.footer-links a{font-size:13px;color:var(--text-muted)}.footer-links{display:flex;gap:16px}.footer-links a{font-weight:500;transition:color .12s}@media (max-width:768px){.nav-inner{gap:10px}#nav-login,.nav-links{display:none}.nav-right{margin-left:auto}.nav-toggle{display:flex}.custom-logo-link .custom-logo{max-width:120px}.nav-right{gap:6px}.lang-btn{padding:5px 8px;font-size:11px}.lang-dropdown{right:0;min-width:140px}.footer-inner{flex-direction:column;text-align:center;gap:10px}.footer-links{justify-content:center}}@media (max-width:480px){#nav-signup{padding:6px 10px;font-size:12px}.container{padding-inline:14px}}.back-to-top{position:fixed;bottom:32px;right:32px;z-index:999;width:46px;height:46px;border-radius:50%;border:0;background:#2563eb;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0;box-shadow:0 4px 14px rgb(37 99 235/.4);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,transform .25s,visibility .25s,background .2s}.back-to-top:hover{background:#1d4ed8;box-shadow:0 6px 18px rgb(37 99 235/.55)}.back-to-top:active{transform:scale(.93)}.btt-ring{position:absolute;top:-5px;left:-5px;width:56px;height:56px;transform:rotate(-90deg);pointer-events:none;overflow:visible}.btt-ring-track{fill:none;stroke:rgb(255 255 255/.25);stroke-width:2.5}.btt-ring-fill{fill:none;stroke:#fff;stroke-width:2.5;stroke-linecap:round;transition:stroke-dashoffset .12s linear}.btt-arrow{width:20px;height:20px;flex-shrink:0;position:relative;z-index:1}@media (max-width:600px){.back-to-top{bottom:20px;right:18px;width:42px;height:42px}.btt-ring{top:-5px;left:-5px;width:52px;height:52px}}.tc-page{background:var(--bg);min-height:100vh;padding-bottom:5rem}.tc-hero{position:relative;background:linear-gradient(135deg,#1565c0 0,#0277bd 60%,#01579b 100%);overflow:hidden;min-height:220px}.tc-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22}.tc-hero-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgb(13 71 161/.92)0,rgb(2 119 189/.75) 100%)}.tc-hero-inner{position:relative;z-index:2;max-width:1100px;margin:0 auto;padding:2.5rem 2rem;display:flex;align-items:center;gap:2rem}.tc-hero-icon{width:90px;height:90px;border-radius:var(--radius-lg);object-fit:cover;flex-shrink:0;box-shadow:0 8px 24px rgb(0 0 0/.3);border:3px solid rgb(255 255 255/.25)}.tc-hero-text{flex:1;min-width:0}.tc-breadcrumb{display:flex;align-items:center;gap:.35rem;font-size:.78rem;color:rgb(255 255 255/.7);margin-bottom:.7rem;flex-wrap:wrap}.tc-breadcrumb a{color:rgb(255 255 255/.85);text-decoration:none;transition:color .12s}.tc-breadcrumb a:hover{color:#fff;text-decoration:underline}.tc-breadcrumb-sep{opacity:.4}.tc-title{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;color:#fff;margin:0 0 .75rem;line-height:1.15}.tc-hero-meta{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-bottom:.75rem}.tc-level-pill{padding:3px 12px;border-radius:var(--radius-full);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em}.tc-hero-desc{color:rgb(255 255 255/.82);font-size:.9rem;line-height:1.6;max-width:580px;margin:0}.tc-stats-bar{background:var(--white);border-bottom:1px solid var(--border);box-shadow:var(--shadow-xs)}.tc-stats-inner{max-width:1100px;margin:0 auto;padding:0 2rem;display:flex;gap:0;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none}.tc-stats-inner::-webkit-scrollbar{display:none}.tc-stat-chip{display:flex;align-items:center;gap:.5rem;padding:.85rem 1.5rem;font-size:.83rem;color:var(--text-muted);border-right:1px solid var(--border);white-space:nowrap}.tc-stat-chip:last-child{border-right:none}.tc-section-heading h2,.tc-stat-chip strong{color:var(--text);font-weight:700}.tc-content{max-width:1100px;margin:2rem auto 0;padding:0 2rem}.tc-section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem;gap:1rem}.tc-section-heading h2{font-size:1rem;margin:0}.tc-section-heading span{font-size:.8rem;color:var(--text-muted);font-weight:500}.tc-series-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:1.25rem;overflow:hidden;box-shadow:var(--shadow-xs);transition:box-shadow .2s}.tc-series-card:hover{box-shadow:var(--shadow-sm)}.tc-series-header{padding:1.1rem 1.5rem;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:.75rem;background:#fafbfc}.tc-series-icon{width:32px;height:32px;background:var(--brand-light);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--brand);flex-shrink:0}.tc-series-info{flex:1;min-width:0}.tc-series-desc,.tc-series-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tc-series-name{font-size:.93rem;font-weight:700;color:var(--text);margin:0 0 .15rem}.tc-series-desc{font-size:.78rem;color:var(--text-muted);margin:0}.tc-series-badge{font-size:.72rem;font-weight:600;color:var(--brand);background:var(--brand-light);border:1px solid rgb(21 101 192/.15);padding:3px 10px;border-radius:var(--radius-full);white-space:nowrap;flex-shrink:0}.tc-lesson-row{display:flex;align-items:center;padding:.75rem 1.5rem;border-bottom:1px solid #f1f5f9;text-decoration:none;color:inherit;transition:background .12s;gap:1rem}.tc-lesson-row:last-of-type{border-bottom:none}.tc-lesson-row:hover{background:#f8fafc}.tc-row-num{font-size:.72rem;font-weight:700;color:var(--text-light);padding:0 10px;height:28px;border-radius:var(--radius-full);background:var(--bg);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .12s,border-color .12s,color .12s;white-space:nowrap}.tc-lesson-row:hover .tc-row-num{background:var(--brand-light);border-color:rgb(21 101 192/.2);color:var(--brand)}.tc-row-title{flex:1;font-size:.87rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .12s;min-width:0}.tc-lesson-row:hover .tc-row-title{color:var(--brand)}.tc-row-right{display:flex;align-items:center;gap:.65rem;flex-shrink:0}.tc-row-level{padding:2px 9px;border-radius:var(--radius-full);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;white-space:nowrap}.tc-row-duration{font-size:.75rem;color:var(--text-muted);display:flex;align-items:center;gap:.3rem}.tc-row-arrow{color:var(--text-light);transition:transform .12s,color .12s;flex-shrink:0}.tc-lesson-row:hover .tc-row-arrow{transform:translateX(3px);color:var(--brand)}.tc-row-lock{display:flex;align-items:center;color:#94a3b8;flex-shrink:0}@media (max-width:640px){.tc-hero-inner{flex-direction:column;align-items:flex-start;gap:1rem;padding:1.75rem 1.25rem}.tc-hero-icon{width:64px;height:64px}.tc-title{font-size:1.5rem}.tc-content{padding:0 1rem}.tc-lesson-row,.tc-series-header{padding:.9rem 1rem;align-items:flex-start}.tc-lesson-row{padding:.65rem 1rem}.tc-stat-chip{padding:.7rem 1rem}.tc-stats-inner{padding:0 1rem}.tc-row-title,.tc-series-desc,.tc-series-name{white-space:normal;overflow:visible;text-overflow:unset}.tc-lesson-row{flex-wrap:wrap;gap:.5rem .75rem}.tc-row-title{width:100%;order:-1}.tc-row-num{font-size:.68rem}.tc-row-right{gap:.45rem}.tc-row-duration{display:none}}