:root{--bg:#fff;--fg:#0F172A;--primary:#3370FF;--on-primary:#fff;--secondary:#F8FAFC;--muted:#64748B;--border:#E2E8F0;--success:#10B981;--error:#EF4444}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;width:100%;overflow-x:hidden}body{background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit;color:inherit}.site-header{position:sticky;top:0;z-index:100;width:100%;background:var(--secondary);border-bottom:1px solid var(--border);transition:box-shadow .3s ease}.site-header--scrolled{box-shadow:0 4px 12px rgba(0,0,0,.08)}.header__container{display:flex;align-items:center;max-width:1200px;margin:0 auto;padding:.8rem 2rem;width:100%}.brand{display:inline-flex;align-items:center;gap:.75rem}.brand,.brand:hover{text-decoration:none}.brand__icon{flex-shrink:0;transition:transform .2s ease}.brand:hover .brand__icon{transform:scale(1.05)}.brand__text{font-size:1.4rem;font-weight:800;letter-spacing:-.04em;background:linear-gradient(135deg,#3370FF,#8B5CF6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;gap:2rem;margin-left:auto}.nav-links a{color:var(--muted);font-weight:500;font-size:1rem;transition:color .2s}.nav-links a:hover{color:var(--primary);text-decoration:none}.main{max-width:1200px;width:100%;margin:0 auto;padding:1.5rem 2rem 3rem;background:linear-gradient(180deg,#EEF4FF,#FFFFFF 25%,#FFFFFF)}.main__title{font-size:2.5rem;font-weight:800;margin-bottom:.5rem;letter-spacing:-.03em}.main__subtitle,.main__title{text-align:center;word-wrap:break-word}.main__subtitle{color:var(--muted);font-size:1.1rem;max-width:800px;margin:0 auto 1.5rem}.converter{margin-bottom:2rem;width:100%}.converter__dropzone{border:1px solid var(--border);border-radius:16px;padding:2.5rem 2rem;text-align:center;cursor:pointer;transition:all .2s;background:#FFFFFF;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;box-shadow:0 4px 20px rgba(0,0,0,.04)}.converter__dropzone:hover{border-color:var(--primary);box-shadow:0 6px 24px rgba(51,112,255,.08)}.converter__icon{color:var(--muted);margin-bottom:1rem;width:56px;height:56px}.converter__dropzone p{font-weight:600;font-size:1.4rem;margin-bottom:.5rem;word-break:break-word;width:100%}.converter__formats{display:block;font-size:1rem;color:var(--muted);width:100%}.converter__badges{display:flex;justify-content:center;gap:.75rem;margin-top:1rem;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;gap:.35rem;font-size:.875rem;color:var(--fg);background:var(--bg);border:1px solid var(--border);padding:.4rem 1.25rem;border-radius:50px;font-weight:500;box-shadow:0 2px 6px rgba(0,0,0,.02)}.badge__check{color:var(--success);font-weight:700}.converter__controls{display:flex;gap:1rem;margin-top:1.5rem;width:100%}.converter__select{flex:1 1;padding:1rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--fg);font-weight:500;font-size:1rem;cursor:pointer}.converter__select:focus{outline:none;border-color:var(--primary)}.converter__btn{display:block;width:100%;margin-top:1.5rem;padding:1rem;background:var(--primary);color:var(--on-primary);border:none;border-radius:8px;font-size:1.15rem;font-weight:600;cursor:pointer;transition:opacity .2s}.converter__controls .converter__btn{margin-top:0;width:auto;padding-left:3rem;padding-right:3rem}.converter__btn:hover{opacity:.9}.converter__btn:disabled{opacity:.6;cursor:not-allowed}.converter__error{color:var(--error);text-align:center;margin-top:1rem;font-weight:500}.converter__result{margin-top:1.5rem;padding:2rem;background:var(--secondary);border-radius:12px;text-align:center;border:1px solid var(--border);width:100%}.converter__result p{font-size:1.25rem;font-weight:600;margin-bottom:1rem}.converter__download{display:inline-block;padding:1rem 2rem;background:var(--success);color:#fff;border-radius:8px;font-size:1.15rem;font-weight:600}.converter__download:hover{text-decoration:none;opacity:.9}.features{margin-bottom:2rem;width:100%}.features h2{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem;text-align:center}.features__list{list-style:none;display:grid;max-width:900px;margin:0 auto;grid-template-columns:repeat(3,1fr);gap:1.5rem;width:100%}.features__list li{padding-left:2rem;position:relative;font-size:1.05rem;font-weight:600;word-wrap:break-word}.features__list li:before{content:"\2713";position:absolute;left:0;color:var(--success);font-weight:700;font-size:1.25rem;line-height:1.2}.faq{width:100%}.faq h2{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem;text-align:center}.faq details{border-bottom:1px solid var(--border);padding:1.25rem 0;width:100%}.faq summary{cursor:pointer;font-weight:600;font-size:1.1rem}.faq p,.faq summary{word-wrap:break-word}.faq p{margin-top:.75rem;color:var(--muted);font-size:1rem;padding-right:2rem}.site-footer{padding:2rem;text-align:center;font-size:.875rem;color:var(--muted);border-top:1px solid var(--border);width:100%;background:var(--secondary)}.footer-links{display:flex;justify-content:center;gap:1.5rem;margin-bottom:1rem}.footer-links a{color:var(--muted);font-size:.875rem}.footer-links a:hover{color:var(--primary)}.legal-card{max-width:800px;margin:0 auto;background:#FFFFFF;padding:3rem;border-radius:16px;border:1px solid var(--border);box-shadow:0 4px 20px rgba(0,0,0,.04)}.legal-card .main__title{text-align:left;font-size:2.25rem;margin-bottom:2rem}.content{line-height:1.8}.content p{font-size:1rem}.content p,.content ul{margin-bottom:1.25rem;color:var(--muted)}.content ul{padding-left:1.5rem}.content li{margin-bottom:.5rem}.content h2{font-size:1.35rem;font-weight:700;margin:2rem 0 1rem;color:var(--fg)}.content a{color:var(--primary);text-decoration:underline}@media (max-width:768px){.main{padding:1.5rem 1rem 3rem}.main__title{font-size:2rem}.converter__dropzone{padding:2rem 1.5rem}.converter__dropzone p{font-size:1.25rem}.converter__controls{flex-direction:column}.converter__controls .converter__btn{width:100%}.nav-links{display:none}.footer-links{flex-direction:column;gap:.5rem}.features__list{grid-template-columns:repeat(2,1fr)}.legal-card{padding:1.5rem}}@media (max-width:500px){.features__list{grid-template-columns:1fr}}