:root{--color-bg:#0f0f0f;--color-surface:#1a1a1a;--color-surface-raised:#222;--color-border:#2e2e2e;--color-text-primary:#e8e8e8;--color-text-secondary:#999;--color-accent:#7c6af7;--color-accent-hover:#9d8fff;--color-error:#f87171;--color-success:#4ade80;--font-sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"Fira Code", "Cascadia Code", Consolas, "Courier New", monospace;--radius-sm:4px;--radius-md:8px;--radius-lg:16px;--max-width:960px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.6}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover);text-decoration:underline}.header{border-bottom:1px solid var(--color-border);background:var(--color-surface);z-index:100;position:sticky;top:0}.header__inner{max-width:var(--max-width);align-items:center;gap:32px;height:60px;margin:0 auto;padding:0 24px;display:flex}.header__logo{color:var(--color-text-primary);letter-spacing:-.02em;font-size:1.2rem;font-weight:700}.header__logo span{color:var(--color-accent)}.header__nav{gap:20px;margin-left:auto;display:flex}.header__nav-link{color:var(--color-text-secondary);font-size:.9rem}.header__nav-link:hover{color:var(--color-text-primary);text-decoration:none}.header__menu-btn{display:none}@media (max-width:780px){.header{position:sticky}.header__inner{flex-wrap:wrap;gap:0;height:auto;min-height:60px;padding:0 16px}.header__logo{flex:1;line-height:60px}.header__menu-btn{cursor:pointer;background:0 0;border:none;flex-direction:column;flex-shrink:0;justify-content:center;gap:5px;width:44px;height:60px;padding:0 10px;display:flex}.header__bar{background:var(--color-text-primary);border-radius:1px;width:22px;height:2px;transition:transform .2s,opacity .2s;display:block}.header--open .header__bar:first-child{transform:translateY(7px)rotate(45deg)}.header--open .header__bar:nth-child(2){opacity:0;transform:scaleX(0)}.header--open .header__bar:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.header__nav{border-top:1px solid var(--color-border);flex-direction:column;gap:0;width:100%;margin-left:0;padding:8px 0 16px;display:none}.header--open .header__nav{display:flex}.header__nav-link{border-bottom:1px solid var(--color-border);padding:12px 0;font-size:1rem}.header__nav-link:last-child{border-bottom:none}}.hero{background:linear-gradient(180deg, #111 0%, var(--color-bg) 100%);border-bottom:1px solid var(--color-border);text-align:center;padding:80px 24px 64px}.hero__inner{max-width:var(--max-width);margin:0 auto}.hero__badge{color:var(--color-accent);letter-spacing:.02em;text-transform:uppercase;background:#7c6af71f;border:1px solid #7c6af74d;border-radius:99px;align-items:center;gap:6px;margin-bottom:24px;padding:4px 14px;font-size:.8rem;display:inline-flex}.hero__title{letter-spacing:-.04em;margin-bottom:20px;font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;line-height:1.1}.hero__title em{color:var(--color-accent);font-style:normal}.hero__subtitle{color:var(--color-text-secondary);max-width:560px;margin:0 auto 36px;font-size:1.15rem;line-height:1.65}.hero__actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.hero__stats{border-top:1px solid var(--color-border);flex-wrap:wrap;justify-content:center;gap:40px;margin-top:56px;padding-top:40px;display:flex}.hero__stat{text-align:center}.hero__stat-value{color:var(--color-text-primary);letter-spacing:-.02em;font-size:1.5rem;font-weight:700}.hero__stat-label{color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.06em;margin-top:2px;font-size:.8rem}.features{border-bottom:1px solid var(--color-border);padding:64px 24px}.features__inner{max-width:var(--max-width);margin:0 auto}.features__heading{text-align:center;letter-spacing:-.02em;margin-bottom:8px;font-size:1.5rem;font-weight:700}.features__subheading{text-align:center;color:var(--color-text-secondary);margin-bottom:48px;font-size:.95rem}.features__grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;display:grid}.feature-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px;transition:border-color 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auto}.oss-cta__title{letter-spacing:-.03em;margin-bottom:12px;font-size:1.75rem;font-weight:700}.oss-cta__desc{color:var(--color-text-secondary);margin-bottom:28px;font-size:.95rem}.oss-cta__actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.page{max-width:var(--max-width);margin:0 auto;padding:48px 24px}.page__title{letter-spacing:-.03em;margin-bottom:8px;font-size:2rem;font-weight:700}.page__subtitle{color:var(--color-text-secondary);margin-bottom:40px}.converter-tabs__toolbar{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:24px;display:flex}.converter-tabs__tablist{gap:4px;display:flex}.converter-tabs__tab{color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 20px;font-size:.9rem;transition:color .15s,border-color 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input{display:none}.converter-input__file-hint{color:var(--color-text-secondary);margin-top:8px;font-size:.875rem}.converter-input__row{align-items:flex-end;gap:12px;display:flex}.converter-input__row .converter-input__text{flex:1}.converter-input__select{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);cursor:pointer;outline:none;padding:10px 12px;font-size:.9rem}.converter-input__actions{align-items:center;gap:12px;display:flex}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;align-items:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:500;text-decoration:none;transition:background .15s,opacity 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14px;display:flex}.terminal__name{color:var(--color-text-secondary);font-size:.78rem;font-family:var(--font-sans);margin-left:8px}.terminal__body{background:#080808;min-height:56px;max-height:220px;padding:12px 16px;overflow-y:auto}.terminal__line{word-break:break-all;gap:8px;display:flex}.terminal__prompt{color:var(--color-accent);-webkit-user-select:none;user-select:none;flex-shrink:0}.terminal__line--progress{color:var(--color-text-secondary)}.terminal__line--done{color:var(--color-success)}.terminal__line--error{color:var(--color-error)}.terminal__cursor{color:var(--color-accent);animation:1s step-end infinite blink}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.6s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.footer{border-top:1px solid var(--color-border);text-align:center;padding:32px 24px}.footer__inner{max-width:var(--max-width);color:var(--color-text-secondary);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin:0 auto;font-size:.85rem;display:flex}.footer__links{gap:20px;display:flex}