@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap");:root{--orange-main:#ff6b35;--orange-hover:#e0531f;--orange-light:#fff0eb;--orange-glow:rgba(255,107,53,.25);--dark-solid:#0f121f;--dark-solid-hover:#161925;--dark-charcoal:#1e1e24;--white:#fff;--light-gray:#f8f9fa;--light-gray-2:#f1f3f5;--border-light:#e9ecef;--text-dark:#12141d;--text-dark-muted:#5c627a;--text-light:#fff;--text-light-muted:#ffd5c6;--success:#00b884;--warning:#f59f00;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:24px;--shadow-sm:0 2px 8px rgba(0,0,0,.05);--shadow-md:0 8px 24px rgba(0,0,0,.08);--shadow-lg:0 16px 40px rgba(0,0,0,.12);--transition:0.25s cubic-bezier(0.4,0,0.2,1);--font-heading:"Outfit",sans-serif;--font-body:"Plus Jakarta Sans",sans-serif;--flow-speed:2s;--pulse-speed:1.5s}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);background:var(--light-gray);color:var(--text-dark);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}a{color:var(--orange-main);text-decoration:none;transition:all var(--transition)}a:hover{color:var(--orange-hover)}img{max-width:100%;display:block}ul{list-style:none}button{cursor:pointer;border:none}button,input,select,textarea{font-family:var(--font-body);outline:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--light-gray)}::-webkit-scrollbar-thumb{background:var(--orange-main);border-radius:4px}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.25;color:var(--text-dark);letter-spacing:-.02em}h1{font-size:clamp(2rem,5vw,3.5rem)}h1,h2{font-weight:800}h2{font-size:clamp(1.5rem,4vw,2.5rem)}h3{font-size:clamp(1.2rem,2.5vw,1.7rem);font-weight:700}h4{font-size:1.15rem;font-weight:600}p{color:var(--text-dark-muted);line-height:1.75}.gradient-text{background:linear-gradient(135deg,var(--text-dark) 30%,var(--orange-main) 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var(--transition);white-space:nowrap}.toggle-btn:hover{color:var(--white);background:hsla(0,0%,100%,.05)}.toggle-btn.active{background:var(--dark-solid);color:var(--white);box-shadow:var(--shadow-sm)}.form-group{margin-bottom:24px;position:relative}.form-group label{display:block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-light-muted);margin-bottom:8px}.form-input-wrapper{position:relative;display:flex;align-items:center}.form-input{width:100%;padding:16px 20px;background:hsla(0,0%,100%,.15);border:2px solid hsla(0,0%,100%,.2);border-radius:var(--radius-md);color:var(--white);font-size:1.15rem;font-weight:600;transition:all var(--transition)}.form-input::placeholder{color:hsla(0,0%,100%,.5)}.form-input:focus{background:hsla(0,0%,100%,.25);border-color:var(--white);box-shadow:0 0 0 4px 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.dot{width:6px;height:6px;background:var(--orange-main);border-radius:50%}.home-hero h1{margin-bottom:20px;line-height:1.15}.home-hero p{font-size:1.15rem;color:var(--text-dark-muted);max-width:600px;margin-bottom:36px}.home-hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;grid-gap:48px;gap:48px;align-items:center}@media (max-width:991px){.hero-grid{grid-template-columns:1fr;gap:48px;text-align:center}.home-hero p{margin-left:auto;margin-right:auto}.home-hero-actions{justify-content:center}.hero-media{margin-top:24px}}@keyframes float-drift-1{0%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-8px) rotate(1deg)}to{transform:translateY(0) rotate(0deg)}}@keyframes float-drift-2{0%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(8px) rotate(-1.5deg)}to{transform:translateY(0) rotate(0deg)}}@keyframes 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h4{font-size:.85rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dark-muted);margin-bottom:16px;border-bottom:1.5px solid var(--border-light);padding-bottom:12px}.sidebar-nav-links{display:flex;flex-direction:column;gap:4px}.sidebar-nav-links a{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-radius:var(--radius-sm);color:var(--text-dark-muted);font-size:.9rem;font-weight:600}.sidebar-nav-links a:hover{background:var(--light-gray);color:var(--text-dark)}.sidebar-nav-links a.active{background:var(--orange-light);color:var(--orange-main)}.stats-bar-light{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;margin-bottom:40px}.stat-item-light{padding:28px;text-align:center;border-right:1px solid var(--border-light)}.stat-item-light:last-child{border-right:none}.stat-value-light{font-family:var(--font-heading);font-size:2.2rem;font-weight:800;color:var(--text-dark);line-height:1.1;margin-bottom:4px}.stat-label-light{font-size:.75rem;font-weight:700;color:var(--text-dark-muted);text-transform:uppercase;letter-spacing:.05em}.site-footer-light{background:var(--white);border-top:1px solid var(--border-light);padding:64px 0 32px}.footer-grid-light{display:grid;grid-template-columns:280px 1fr 1fr 1fr;grid-gap:48px;gap:48px;padding-bottom:40px;border-bottom:1px solid var(--border-light);margin-bottom:32px}.footer-brand-light p{font-size:.9rem;color:var(--text-dark-muted);margin-top:16px}.footer-logo-light{height:54px;width:auto}.footer-col-light h5{font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dark);margin-bottom:18px}.footer-col-light ul{display:flex;flex-direction:column;gap:10px}.footer-col-light ul a{font-size:.88rem;color:var(--text-dark-muted);font-weight:500}.footer-col-light ul a:hover{color:var(--orange-main)}.footer-bottom-light{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.footer-bottom-light p{font-size:.82rem;color:var(--text-dark-muted)}.btn-primary-orange{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:var(--orange-main);color:var(--white);border-radius:var(--radius-md);font-size:.92rem;font-weight:700;box-shadow:var(--orange-glow);transition:all var(--transition)}.btn-primary-orange:hover{background:var(--orange-hover);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,107,53,.35)}.btn-primary-orange:active{transform:translateY(0)}.btn-secondary-dark{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:var(--dark-solid);color:var(--white);border-radius:var(--radius-md);font-size:.92rem;font-weight:700;transition:all var(--transition)}.btn-secondary-dark:hover{background:#000;color:var(--white);transform:translateY(-2px)}.btn-secondary-dark:active{transform:translateY(0)}.btn-outline-dark{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;background:transparent;border:2px solid var(--text-dark);border-radius:var(--radius-md);font-size:.92rem;font-weight:700;color:var(--text-dark);transition:all var(--transition)}.btn-outline-dark:hover{background:var(--text-dark);color:var(--white);transform:translateY(-2px)}.table-container-light{border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);background:var(--white)}.table-header-light{padding:24px;border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.table-header-light h3{font-size:1.15rem}.table-light{width:100%;border-collapse:collapse}.table-light th{background:var(--light-gray);font-family:var(--font-heading);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;text-align:left;border-bottom:1.5px solid var(--border-light)}.table-light td,.table-light th{padding:14px 20px;color:var(--text-dark-muted)}.table-light td{font-size:.9rem;border-bottom:1px solid var(--border-light)}.table-light tr:last-child td{border-bottom:none}.table-light tbody tr:hover td{background:var(--light-gray);color:var(--text-dark)}.info-alert-light{display:flex;gap:12px;padding:18px 20px;background:var(--orange-light);border:1.5px solid rgba(255,107,53,.25);border-radius:var(--radius-md);margin-bottom:24px}.info-alert-light i{color:var(--orange-main);font-size:1.25rem;flex-shrink:0}.info-alert-light p{font-size:.88rem;color:var(--text-dark-muted)}.mobile-nav-light{display:none;position:fixed;top:80px;left:0;right:0;background:hsla(0,0%,100%,.96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);padding:16px 24px;z-index:99;flex-direction:column;gap:4px;max-height:calc(100vh - 80px);overflow-y:auto}.mobile-nav-light.open{display:flex}.mobile-nav-light a{padding:12px 16px;color:var(--text-dark-muted);font-size:.95rem;font-weight:600;border-radius:var(--radius-sm)}.mobile-nav-light a:hover{background:var(--light-gray);color:var(--text-dark)}@media (max-width:1024px){.split-layout{grid-template-columns:1fr}.panel-left,.panel-right{padding:48px 24px}.footer-grid-light{grid-template-columns:1fr 1fr}}@media (max-width:768px){.site-header{height:70px}.mobile-nav-light{top:70px}.nav-links{display:none}.nav-toggle{display:flex}.stats-bar-light{grid-template-columns:1fr 1fr}.stat-item-light{border-bottom:1px solid var(--border-light)}.stat-item-light,.stat-item-light:nth-child(2n){border-right:none}.footer-grid-light{grid-template-columns:1fr;gap:32px}.home-hero{padding:80px 0 60px}}@media (max-width:480px){.stats-bar-light{grid-template-columns:1fr}.stat-item-light{border-bottom:1px solid var(--border-light)}.stat-item-light:last-child{border-bottom:none}.btn-actions-row,.btn-calc-row{flex-direction:column;gap:8px}.btn-action-outline{width:100%;justify-content:center}.toggle-group{flex-direction:column;gap:2px}}.article-grid{display:grid;grid-template-columns:2.1fr 1fr;grid-gap:40px;gap:40px;margin-top:40px}@media (max-width:991px){.article-grid{grid-template-columns:1fr;gap:32px}}.article-card{padding:40px;border-radius:var(--radius-lg);background:var(--white);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);margin-bottom:32px;transition:box-shadow var(--transition)}.article-card:hover{box-shadow:var(--shadow-md)}.post-content h2{font-size:1.65rem;margin-top:36px;margin-bottom:18px;color:var(--text-dark);border-left:4px solid var(--orange-main);padding-left:14px;line-height:1.3}.post-content h3{font-size:1.3rem;margin-top:28px;margin-bottom:12px;color:var(--text-dark);line-height:1.4}.post-content p{margin-bottom:22px;font-size:.98rem;line-height:1.8;color:var(--text-dark-muted)}.post-content ol,.post-content ul{margin-left:24px;margin-bottom:28px;display:flex;flex-direction:column;gap:12px}.post-content li{font-size:.96rem;color:var(--text-dark-muted);line-height:1.7}.post-content li strong{color:var(--text-dark)}.post-content .formula-block{background:var(--orange-light);border-left:4px solid var(--orange-main);padding:16px 20px;border-radius:var(--radius-md);font-family:Courier New,Courier,monospace;font-size:1.1rem;font-weight:700;color:var(--orange-main);margin:24px 0;display:inline-block}.post-content .ref-table{width:100%;border-collapse:collapse;margin:28px 0;font-size:.92rem}.post-content .ref-table th{background:var(--light-gray);color:var(--text-dark);font-weight:700;padding:14px 16px;border-bottom:2px solid var(--border-light);text-align:left}.post-content .ref-table td{padding:14px 16px;border-bottom:1px solid var(--border-light);color:var(--text-dark-muted)}.post-content .ref-table tr:hover{background:var(--light-gray-2)}.post-content .info-alert-light,.post-content .warning-alert{margin:28px 0!important;border-radius:var(--radius-md)}.post-content img.article-image{width:100%;border-radius:var(--radius-md);margin:24px 0;box-shadow:var(--shadow-sm)}.post-content .icon-wrap{display:inline-flex;width:40px;height:40px;border-radius:50%;background:var(--orange-light);color:var(--orange-main);margin-right:12px;font-size:1.2rem}.pagination,.post-content .icon-wrap{align-items:center;justify-content:center}.pagination{display:flex;gap:8px;margin-top:48px}.pagination-btn{padding:10px 18px;border-radius:var(--radius-sm);background:var(--white);color:var(--text-dark-muted);border:1px solid var(--border-light);font-weight:600;font-size:.9rem;transition:all var(--transition);display:flex;align-items:center;gap:6px}.pagination-btn:hover:not(.disabled){background:var(--orange-light);color:var(--orange-main);border-color:rgba(255,107,53,.25);cursor:pointer}.pagination-btn.active{background:var(--orange-main);color:var(--white);border-color:var(--orange-main)}.pagination-btn.disabled{opacity:.5;cursor:not-allowed}.nav-dropdown{position:relative;height:100%;display:flex;align-items:center}.nav-dropdown-trigger{display:inline-flex;align-items:center;gap:6px;cursor:pointer;font-weight:600;color:var(--text-dark-muted)}.nav-dropdown:hover .nav-dropdown-trigger{color:var(--orange-main)}.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(15px);background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:28px;min-width:920px;opacity:0;visibility:hidden;transition:all var(--transition);z-index:1000;margin-top:12px}.mega-menu:before{content:"";position:absolute;top:-15px;left:0;width:100%;height:15px;background:transparent}.nav-dropdown:hover .mega-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.mega-menu-inner{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:28px;gap:28px}.mega-menu-col h6{font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--orange-main);margin-bottom:12px;border-bottom:1px solid var(--border-light);padding-bottom:6px}.mega-menu-col a{display:flex;align-items:center;gap:10px;padding:8px 10px;font-size:.88rem;font-weight:600;color:var(--text-dark-muted);border-radius:var(--radius-sm);transition:all var(--transition)}.mega-menu-col a i{font-size:1.15rem;color:var(--text-dark-muted);transition:color var(--transition)}.mega-menu-col a:hover{background:var(--orange-light)}.mega-menu-col a:hover,.mega-menu-col a:hover i{color:var(--orange-main)}@media (max-width:991px){.nav-dropdown{flex-direction:column;align-items:flex-start;width:100%}.nav-dropdown-trigger{width:100%;justify-content:space-between;padding:10px 14px}.mega-menu{position:static;transform:none;min-width:100%;opacity:1;visibility:visible;box-shadow:none;border:none;padding:10px 0 0 15px;display:none;margin-top:0}.nav-dropdown.open .mega-menu{display:block}.mega-menu-inner{grid-template-columns:1fr;gap:20px}}