:root{--background:#f7faf9;--ink:#111827;--muted:#5f6b7a;--line:#dce7e3;--brand:#0f766e;--brand-dark:#115e59;--accent:#f59e0b;--panel:#ffffff;--tool-bg:#ffffff;--tool-panel:#f7faf9;--tool-line:#dce7e3;--tool-muted:#5f6b7a;--tool-ink:#111827;--tool-green:#16a34a}*{box-sizing:border-box}body{margin:0;background:var(--background);color:var(--ink);font-family:Arial,Helvetica,sans-serif}button,select,textarea{font:inherit}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(245,158,11,.72);outline-offset:3px}.page{min-height:100vh}.shell{width:min(1180px,calc(100% - 32px));margin:0 auto}.nav{justify-content:space-between;padding:22px 0}.brand,.nav{display:flex;align-items:center}.brand{gap:10px;font-weight:800;letter-spacing:0}.brand-mark{display:block;width:36px;height:36px;border-radius:8px;object-fit:contain}.nav-links{display:flex;gap:22px;color:var(--muted);font-size:14px}.nav-links a{white-space:nowrap}.hero{padding:24px 0 44px}.hero-copy{max-width:880px;margin:0 auto 30px;text-align:center}.eyebrow{color:var(--brand);font-weight:800;text-transform:uppercase;font-size:13px}h1{margin:12px auto 18px;max-width:860px;font-size:clamp(42px,6vw,72px);line-height:.96;letter-spacing:0}.lead{color:var(--muted);font-size:18px;line-height:1.7}.legal-page{padding:34px 0 70px}.legal-page h1{margin-left:0;margin-right:0}.legal-page h2{margin-top:34px;font-size:28px}.legal-page p{color:var(--muted);font-size:17px;line-height:1.78}.hero-points{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 18px;margin:22px auto 0;max-width:1080px}.hero-point{display:flex;gap:10px;align-items:flex-start;color:#263241;text-align:left;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.72)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:24px}.hero-link{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.8);color:var(--brand-dark);font-weight:900;padding:0 18px;transition:border-color .16s ease,background-color .16s ease,transform .16s ease}.hero-link:hover{border-color:#99cfc4;background:#ffffff;transform:translateY(-1px)}.hero-link-primary{border-color:var(--brand);background:var(--brand);color:#ffffff;box-shadow:0 10px 22px rgba(15,118,110,.16)}.hero-link-primary:hover{border-color:var(--brand-dark);background:var(--brand-dark);color:#ffffff}.inline-link{display:inline-flex;align-items:center;color:var(--brand-dark);font-weight:900;line-height:1.4}.inline-link:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}.check{display:inline-grid;flex:0 0 22px;width:22px;height:22px;place-items:center;border-radius:999px;background:#ccfbf1;color:var(--brand-dark);font-weight:800}.tool{background:var(--tool-bg);border:1px solid var(--tool-line);border-radius:14px;box-shadow:0 24px 70px rgba(15,118,110,.12);overflow:hidden}.tool-bar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--tool-line)}.tool-title{display:grid;gap:3px}.tool-title-main{color:var(--ink);font-size:18px;font-weight:900}.tool-title-sub{color:var(--muted);font-size:14px}.select-row{display:flex;gap:10px;flex-wrap:wrap;margin-left:auto}select{min-height:44px;min-width:250px;border:1px solid var(--tool-line);border-radius:8px;background:#ffffff;color:var(--tool-ink);padding:0 16px}.counter{display:inline-flex;align-items:center;min-height:38px;border-radius:6px;background:#eaf3f0;color:#556273;font-size:16px;font-weight:800;padding:0 12px}.counter.over{color:#b91c1c;font-weight:700}.panes{display:grid;grid-template-columns:1fr}.has-output .panes{grid-template-columns:1fr 1fr}.single-input .output-pane{display:none}.pane{position:relative;min-height:470px;display:flex;flex-direction:column}.has-output .pane{min-height:430px}.has-output .pane+.pane{border-left:1px solid var(--tool-line)}.pane-head{display:flex;align-items:center;justify-content:space-between;min-height:58px;padding:0 20px;background:var(--tool-panel);border-bottom:1px solid var(--tool-line);color:var(--tool-muted);font-weight:800;text-transform:uppercase;letter-spacing:.04em}.output,textarea{flex:1 1;width:100%;min-height:382px;border:0;resize:none;padding:26px;color:var(--tool-ink);background:#ffffff;font-size:18px;line-height:1.65;outline:none}textarea::placeholder{color:#9aa5b1;font-weight:700}.output{white-space:pre-wrap;color:var(--tool-ink)}.loading-state{display:grid;min-height:100%;place-items:center;gap:14px;color:var(--muted);font-weight:800;text-align:center}.spinner{width:46px;height:46px;border:4px solid #dce7e3;border-top:4px solid var(--brand);border-radius:999px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.placeholder{color:#9aa5b1}.paste-button{position:absolute;top:50%;left:50%;display:grid;width:96px;height:96px;place-items:center;transform:translate(-50%,-50%);border:1px solid #168453;border-radius:14px;background:#eefbf4;color:var(--tool-green);cursor:pointer;font-weight:900;box-shadow:0 18px 50px rgba(49,233,129,.08)}.link-button{border:0;background:transparent;color:var(--tool-muted);cursor:pointer;font-weight:800;text-transform:none}.actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding:18px 20px;border-top:1px solid var(--tool-line)}.detector-hero{padding-bottom:34px}.detector-proof-points{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:20px}.detector-proof-points span{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.74);color:var(--brand-dark);font-size:14px;font-weight:800;padding:8px 12px}.detector-quick-links{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:center;max-width:1040px;margin:22px auto 0;color:var(--muted);font-size:14px}.detector-quick-links a{color:var(--brand-dark);font-weight:900}.detector-quick-links a:hover{text-decoration:underline;text-underline-offset:4px}.detector-tool{display:grid;grid-template-columns:minmax(0,1fr);gap:22px;align-items:center;max-width:1040px;margin:0 auto}.detector-has-result{grid-template-columns:minmax(0,1.1fr) minmax(300px,.56fr)}.detector-input,.detector-result{overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 24px 70px rgba(15,118,110,.1)}.detector-head{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:68px;padding:0 20px;border-bottom:1px solid var(--line);background:#f7faf9}.detector-heading{display:inline-flex;gap:10px;align-items:center;color:var(--ink);font-size:18px;font-weight:900}.detector-heading:before{content:"";width:18px;height:18px;border:3px solid var(--tool-green);border-radius:999px;box-shadow:10px 10px 0 -7px var(--tool-green)}.detector-head-actions{display:flex;gap:10px}.detector-small-button{min-height:40px;border:1px solid var(--line);border-radius:8px;background:#ffffff;color:var(--muted);cursor:pointer;font-weight:800;padding:0 16px}.detector-small-button:disabled{cursor:not-allowed;opacity:.5}.detector-input textarea{min-height:520px;background:#ffffff;font-size:20px}.detector-has-result .detector-input textarea{min-height:430px}.detector-foot{display:flex;align-items:center;min-height:48px;padding:0 20px;border-top:1px solid var(--line);color:var(--muted);font-weight:800}.detector-result{display:grid;align-content:center;justify-items:center;min-height:360px;padding:34px;text-align:center}.detector-result.ai{border-color:#ef4444;background:#fff7f7}.detector-result.human{border-color:#16a34a;background:#f4fbf7}.score-ring{display:grid;width:160px;height:160px;place-items:center;margin-bottom:22px;border-radius:999px;background:radial-gradient(circle at center,#fff 0 58%,transparent 59%),conic-gradient(#ef4444 var(--score),#dce7e3 0)}.score-ring strong{font-size:38px;color:#ef4444}.score-ring span{margin-top:-62px;color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase}.detector-result h2{margin-bottom:8px;color:#ef4444}.detector-result p,.editorial p{color:var(--muted);line-height:1.74}.detector-result.human .score-ring{background:radial-gradient(circle at center,#fff 0 58%,transparent 59%),conic-gradient(#16a34a var(--score),#dce7e3 0)}.detector-result.human .score-ring strong,.detector-result.human h2{color:#16a34a}.detector-humanize-link,.detector-submit{display:inline-flex;align-items:center;justify-content:center;min-height:54px;border:0;border-radius:12px;background:#26c765;color:#ffffff;cursor:pointer;font-size:18px;font-weight:900;padding:0 28px;box-shadow:0 12px 26px rgba(38,199,101,.22)}.detector-humanize-link{margin-top:12px;background:#4f46e5}.detector-submit-row{display:flex;grid-column:1/-1;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center}.primary,.secondary{min-height:50px;border:0;border-radius:8px;cursor:pointer;font-weight:800;padding:0 24px}.primary{margin-left:auto;background:#26c765;color:#fff;font-size:18px;box-shadow:0 12px 26px rgba(38,199,101,.24)}.primary:hover{background:#20b85b}.primary:disabled,.secondary:disabled{cursor:not-allowed;opacity:.55}.secondary{min-height:38px;border:1px solid var(--tool-line);background:#ffffff;color:var(--tool-green)}.copy-button{min-width:72px;transition:background-color .16s ease,border-color .16s ease,color .16s ease,transform .16s ease}.copy-button.copied{border-color:#86efac;background:#ecfdf3;color:#15803d;animation:copy-success .36s ease-out}@keyframes copy-success{0%{transform:scale(1)}45%{transform:scale(1.06)}to{transform:scale(1)}}.error{color:#b91c1c;font-size:14px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:32px 0}.card,.faq-item,.stat,.step{border:1px solid var(--line);border-radius:8px;background:#fff}.stat{padding:20px}.stat strong{display:block;font-size:28px}.section{padding:58px 0}.section.alt{background:#eef8f5}.section-head{max-width:760px;margin-bottom:26px}.section-head-row{display:flex;max-width:none;align-items:flex-end;justify-content:space-between;gap:28px}.section-head-row>div{max-width:760px}h2{margin:0 0 12px;font-size:clamp(28px,4vw,44px);line-height:1.08;letter-spacing:0}.card p,.faq-item p,.section-head p,.stat span,.step p{color:var(--muted);line-height:1.65}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2,.grid-3{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.testimonials-section{background:#f1f8f5}.testimonials-heading{margin-right:auto;margin-left:auto;text-align:center}.testimonials-heading .eyebrow{margin-bottom:10px}.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.testimonial{display:flex;min-height:242px;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:8px;background:#ffffff;box-shadow:0 10px 30px rgba(15,118,110,.05)}.stars{color:#f59e0b;font-size:19px;letter-spacing:2px}.testimonial-quote{flex:1 1;margin:18px 0 22px;color:#344152;font-size:16px;line-height:1.7}.testimonial-author{display:grid;gap:4px}.testimonial-author strong{color:var(--ink)}.testimonial-author span{color:var(--muted);font-size:14px}.card,.faq-item,.step{padding:22px}.step-label{display:inline-flex;margin-bottom:16px;color:var(--brand);font-size:13px;font-weight:900;letter-spacing:.12em}.card h3,.faq-item h3,.step h3{margin:0 0 8px;font-size:19px}.detectors{width:100%;border-collapse:collapse;overflow:hidden;border-radius:8px;background:#fff}.detectors td,.detectors th{border:1px solid var(--line);padding:14px;text-align:left}.detectors th{background:#e1f5ef}.footer{padding:36px 0;color:var(--muted);border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center}.footer-grid p{max-width:680px;line-height:1.65}.footer-links{display:flex;flex-wrap:wrap;gap:16px;color:var(--ink);font-weight:800}.principles-section{background:#f1f8f5}.principles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.principle{min-height:210px;padding:24px;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:8px;background:#ffffff}.principle-mark{display:inline-grid;width:30px;height:30px;place-items:center;margin-bottom:18px;border-radius:999px;background:#fff7df;color:#b45309}.principle h3{margin:0 0 8px;font-size:20px}.principle p{margin:0;color:var(--muted);line-height:1.7}.callout{padding:26px;border:1px solid #b9ddd4;border-left:4px solid var(--accent);border-radius:10px;background:#ffffff;box-shadow:0 14px 34px rgba(15,118,110,.06)}.callout-label{display:block;margin-bottom:10px;color:#b45309;font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.callout h3{margin:0 0 10px;font-size:22px;line-height:1.2}.callout p{color:var(--muted);line-height:1.7}.callout .inline-link{margin-top:8px}.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:30px;border:1px solid #b9ddd4;border-radius:12px;background:linear-gradient(135deg,#ffffff,#e9f8f3)}.cta-panel h2{margin-bottom:8px}.cta-panel p:last-child{margin-bottom:0;color:var(--muted);line-height:1.65}.content-page{overflow:hidden}.content-hero{padding:58px 0 54px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 88% 12%,rgba(245,158,11,.15),transparent 25%),radial-gradient(circle at 12% 90%,rgba(15,118,110,.12),transparent 28%),#f7faf9}.content-shell{width:min(1040px,calc(100% - 32px));margin:0 auto}.content-hero-inner{max-width:980px}.content-hero h1{max-width:900px;margin:12px 0 18px;font-size:clamp(42px,6vw,72px);line-height:.98;letter-spacing:-.035em}.content-hero .lead{max-width:820px}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:64px;align-items:start}.article-copy{max-width:760px}.article-copy h2{margin:50px 0 14px;font-size:clamp(28px,4vw,40px)}.article-copy h2:first-of-type{margin-top:0}.article-copy h3{margin:0 0 8px;font-size:21px}.article-copy li,.article-copy p{color:var(--muted);font-size:17px;line-height:1.82}.article-copy ol,.article-copy ul{margin:18px 0 0;padding-left:24px}.article-copy li+li{margin-top:10px}.article-copy a,.aside-note a{color:var(--brand-dark);font-weight:800;text-decoration:underline;text-decoration-color:#9acfc4;text-underline-offset:4px}.content-aside{position:sticky;top:24px}.aside-note{margin-top:16px;padding:18px;border-top:1px solid var(--line);color:var(--muted);line-height:1.65}.aside-note strong{display:block;margin-bottom:8px;color:var(--ink)}.aside-note p{margin:0}.compact-list{display:grid;gap:10px;margin:0;padding-left:18px;color:var(--muted);line-height:1.6}.info-stack{display:grid;gap:18px;margin-top:24px}.info-row{display:grid;grid-template-columns:54px minmax(0,1fr);gap:16px;padding:22px 0;border-top:1px solid var(--line)}.info-index{color:var(--brand);font-size:20px;font-weight:900;letter-spacing:.08em}.info-row p{margin-top:0}.info-row .inline-link{margin-top:2px}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.process-card{min-height:228px;padding:22px;border:1px solid var(--line);border-radius:8px;background:#ffffff}.process-card h3{margin:0 0 10px;font-size:20px;line-height:1.2}.process-card p{margin:0;color:var(--muted);line-height:1.7}.article-meta{margin-top:22px;color:var(--brand-dark);font-size:14px;font-weight:800}.example-card{margin:26px 0;padding:22px;border:1px solid #b9ddd4;border-radius:10px;background:#eef8f5}.example-card p{margin:10px 0 0}.example-card .example-note{margin-top:16px;color:var(--brand-dark);font-size:15px}@media (max-width:900px){.detector-tool,.footer-grid,.grid-2,.grid-3,.has-output .panes,.stats,.testimonials-grid{grid-template-columns:1fr}.has-output .pane+.pane{border-left:0;border-top:1px solid var(--tool-line)}.nav-links{display:flex;flex-basis:100%;min-width:0;gap:18px;overflow-x:auto;padding:4px 0 2px;scrollbar-width:none}.nav{flex-wrap:wrap}.nav-links::-webkit-scrollbar{display:none}.cta-panel,.section-head-row{align-items:flex-start;flex-direction:column}.principles-grid,.process-grid{grid-template-columns:repeat(2,1fr)}.content-layout{grid-template-columns:1fr;gap:28px}.content-aside{position:static}.tool-bar{align-items:stretch}.select-row{margin-left:0}}@media (max-width:520px){.shell{width:min(100% - 20px,1120px)}.nav{padding:16px 0}.nav-links{gap:16px;font-size:13px}.actions,.tool-bar{align-items:stretch;flex-direction:column}.primary{margin-left:0}.hero-actions,.hero-link,.primary,.secondary,select{width:100%}.hero-link{padding-right:14px;padding-left:14px}.principles-grid,.process-grid{grid-template-columns:1fr}.content-hero{padding:42px 0 40px}.content-hero h1{font-size:clamp(38px,12vw,54px)}.content-shell{width:min(100% - 20px,1040px)}.content-layout{gap:22px}.article-copy li,.article-copy p{font-size:16px}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}