/* CertosinoLab landing page — no external dependencies */
:root{--ink:#172033;--ink-2:#26334a;--orange:#ff6b00;--orange-2:#ff9a32;--violet:#7256d9;--blue:#4275e8;--paper:#fff;--surface:#f5f7fb;--line:#dfe5ee;--muted:#667085;--hero:#111a2d;--shadow:0 22px 60px rgba(23,32,51,.12);--radius:24px;--container:1180px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.65;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}img,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}.skip-link{position:fixed;z-index:999;top:10px;left:10px;padding:.7rem 1rem;background:#fff;color:#111;border-radius:10px;transform:translateY(-160%)}.skip-link:focus{transform:none}.site-header{position:sticky;z-index:20;top:0;background:rgba(255,255,255,.88);border-bottom:1px solid rgba(223,229,238,.8);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:1.22rem;font-weight:800;letter-spacing:-.025em;white-space:nowrap}.brand img{object-fit:contain}.brand span span{color:var(--orange)}.primary-nav{display:flex;align-items:center;gap:30px;margin-left:auto}.primary-nav a,.site-footer a{font-weight:650;color:#4c586d}.primary-nav a{padding:10px 2px;position:relative}.primary-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:4px;height:2px;background:var(--orange);transition:right .2s ease}.primary-nav a:hover:after,.primary-nav a:focus-visible:after{right:0}.header-actions{display:flex;align-items:center;gap:12px}.header-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;background:var(--ink);color:#fff;border-radius:12px;font-size:.92rem;font-weight:750}.theme-toggle{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center;background:var(--paper);color:var(--ink);cursor:pointer}.theme-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.theme-toggle .moon{display:none}.theme-toggle:focus-visible,.button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(255,107,0,.35);outline-offset:3px}.hero{position:relative;min-height:690px;background:var(--hero);color:#fff;overflow:hidden}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}.hero:before{width:680px;height:680px;left:-290px;top:-330px;background:radial-gradient(circle,rgba(66,117,232,.42),rgba(66,117,232,0) 69%)}.hero:after{width:700px;height:700px;right:-250px;top:-300px;background:radial-gradient(circle,rgba(255,107,0,.3),rgba(255,107,0,0) 68%)}.hero-grid{position:relative;z-index:2;min-height:690px;display:grid;grid-template-columns:minmax(0,1fr) minmax(440px,.95fr);align-items:center;gap:44px;padding-block:78px 92px}.hero-copy{max-width:680px}.eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 18px;text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:800;color:#dce5f7}.eyebrow span{width:30px;height:2px;background:var(--orange);border-radius:10px}.eyebrow.dark{color:#5f6c80}.hero h1{margin:0;font-size:clamp(3rem,5.3vw,5.7rem);line-height:1.01;letter-spacing:-.057em;max-width:800px}.hero h1 em{font-style:normal;color:#ff9143;background:linear-gradient(90deg,#ff8a2d,#ffc078);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-text{max-width:650px;margin:28px 0 0;color:#cbd5e5;font-size:clamp(1.05rem,1.4vw,1.23rem);line-height:1.7}.hero-actions{display:flex;align-items:center;gap:14px;margin-top:34px}.button{min-height:52px;padding:0 23px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;gap:11px;font-weight:800;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.button:hover{transform:translateY(-2px)}.button-primary{color:#fff;background:linear-gradient(135deg,var(--orange),#ff8530);box-shadow:0 14px 32px rgba(255,107,0,.25)}.button-ghost{color:#fff;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06)}.button-light{background:#fff;color:#172033;box-shadow:0 18px 44px rgba(7,13,24,.2)}.hero-points{display:flex;flex-wrap:wrap;gap:12px 22px;padding:0;margin:32px 0 0;list-style:none;color:#bfc9db;font-size:.92rem}.hero-points li{display:flex;align-items:center;gap:8px}.hero-points svg{width:18px;height:18px;fill:none;stroke:#ff9a4b;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.hero-visual{position:relative}.hero-visual img{width:100%;height:auto;filter:saturate(.98)}.hero-fade{position:absolute;left:0;right:0;bottom:0;height:90px;background:linear-gradient(transparent,rgba(255,255,255,.05))}.section{padding:112px 0}.section-heading{display:grid;grid-template-columns:1fr minmax(300px,470px);align-items:end;gap:40px;margin-bottom:46px}.section-heading h2,.principles h2,.about h2,.faq h2,.closing h2{margin:0;letter-spacing:-.045em;line-height:1.1;font-size:clamp(2.35rem,4.2vw,4rem)}.section-heading>p{margin:0;color:var(--muted);font-size:1.05rem}.app-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.app-card{min-width:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);overflow:hidden;box-shadow:0 12px 36px rgba(23,32,51,.06);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}.app-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#ccd5e2}.card-media{display:block;position:relative;overflow:hidden;background:#f2f5fa;aspect-ratio:720/460}.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s cubic-bezier(.2,.8,.2,1)}.app-card:hover .card-media img{transform:scale(1.018)}.status{position:absolute;top:18px;right:18px;padding:7px 11px;border:1px solid rgba(23,32,51,.1);border-radius:999px;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);color:#596579;font-size:.71rem;line-height:1;font-weight:850;text-transform:uppercase;letter-spacing:.08em}.status-live{background:#eaf9ef;color:#217a42;border-color:#c8ebd3}.card-body{display:grid;grid-template-columns:48px minmax(0,1fr);gap:16px;padding:24px 26px 27px;align-items:start}.app-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:#fff0e4;color:var(--orange)}.app-icon svg{width:27px;height:27px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.card-body h3{margin:-2px 0 5px;font-size:1.35rem;letter-spacing:-.025em}.card-body p{margin:0;color:var(--muted);line-height:1.62}.card-link{grid-column:2;margin-top:8px;font-weight:800;color:var(--orange);width:max-content}.principles{position:relative;background:#172033;color:#fff;overflow:hidden}.principles:after{content:"";position:absolute;right:-220px;bottom:-320px;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,rgba(114,86,217,.27),transparent 69%)}.principles-grid{position:relative;z-index:1;display:grid;grid-template-columns:.83fr 1.17fr;gap:90px}.principles-copy{position:sticky;top:130px;align-self:start}.principles-copy>p:not(.eyebrow){color:#c7d0df;font-size:1.07rem}.text-link{display:inline-flex;gap:8px;margin-top:12px;color:#ff9a4a;font-weight:800}.principle-list{border-top:1px solid rgba(255,255,255,.14)}.principle-list article{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:30px 0;border-bottom:1px solid rgba(255,255,255,.14)}.principle-list article>span{font-size:.78rem;color:#ff9a4a;font-weight:850;letter-spacing:.1em}.principle-list h3{margin:-5px 0 5px;font-size:1.35rem}.principle-list p{margin:0;color:#bfc9d9}.about{background:var(--surface)}.about-grid{display:grid;grid-template-columns:300px minmax(0,700px);justify-content:center;align-items:center;gap:90px}.about-mark{width:280px;height:280px;display:grid;place-items:center;border-radius:72px;background:#fff;box-shadow:var(--shadow);position:relative}.about-mark:before{content:"";position:absolute;inset:-17px;border:1px dashed rgba(255,107,0,.4);border-radius:84px}.about-mark img{object-fit:contain}.about-copy p:not(.eyebrow){color:var(--muted);font-size:1.08rem}.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:90px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;position:relative;padding:24px 46px 24px 0;font-weight:800;font-size:1.08rem}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:7px;top:21px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--surface);color:var(--orange);font-size:1.35rem;font-weight:500}details[open] summary:after{content:"−"}details p{margin:-8px 0 25px;color:var(--muted);max-width:750px}.closing{padding:86px 0;background:linear-gradient(120deg,#26334a,#172033 54%,#3c2b68);color:#fff}.closing-inner{display:flex;align-items:center;justify-content:space-between;gap:50px}.closing h2{max-width:720px;font-size:clamp(2.2rem,4vw,3.7rem)}.closing p:not(.eyebrow){color:#c8d0de;margin-bottom:0}.site-footer{background:#0d1423;color:#aeb8c8}.footer-inner{min-height:118px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:25px;font-size:.9rem}.footer-inner>p{margin:0;text-align:center}.footer-inner>a:last-child{justify-self:end;color:#dfe5ef}.footer-brand{color:#fff}.footer-brand span span{color:#ff8d36}
@media (max-width:980px){.primary-nav{display:none}.hero{min-height:auto}.hero-grid{grid-template-columns:1fr;min-height:auto;padding-block:74px 55px}.hero-copy{text-align:center;margin-inline:auto}.hero .eyebrow,.hero-points,.hero-actions{justify-content:center}.hero-visual{width:min(700px,100%);margin:-20px auto 0}.section-heading,.principles-grid,.faq-grid{grid-template-columns:1fr}.principles-grid,.faq-grid{gap:48px}.principles-copy{position:static}.about-grid{grid-template-columns:230px 1fr;gap:55px}.about-mark{width:220px;height:220px;border-radius:55px}.about-mark:before{border-radius:67px}.closing-inner{align-items:flex-start;flex-direction:column}.footer-inner{grid-template-columns:1fr 1fr}.footer-inner>p{grid-column:1/-1;grid-row:2;text-align:left}.footer-inner>a:last-child{justify-self:end}}
@media (max-width:720px){.container{width:min(calc(100% - 28px),var(--container))}.header-inner{min-height:72px}.brand{font-size:1.08rem}.brand img{width:38px;height:42px}.header-cta{display:none}.hero-grid{padding-top:60px}.hero h1{font-size:clamp(2.75rem,13vw,4.15rem)}.hero-text{font-size:1.03rem}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .button{width:100%}.hero-points{display:grid;grid-template-columns:1fr;justify-items:start;width:max-content;margin-inline:auto}.hero-visual{margin-top:4px}.section{padding:82px 0}.section-heading{gap:20px;margin-bottom:34px}.app-grid{grid-template-columns:1fr;gap:22px}.card-body{padding:21px}.about-grid{grid-template-columns:1fr;gap:40px}.about-mark{width:180px;height:180px;margin-inline:auto}.about-mark img{width:105px;height:auto}.faq-grid{gap:25px}.closing{padding:72px 0}.footer-inner{padding:34px 0;grid-template-columns:1fr;justify-items:start}.footer-inner>p{grid-column:auto;grid-row:auto;text-align:left}.footer-inner>a:last-child{justify-self:start}.section-heading h2,.principles h2,.about h2,.faq h2,.closing h2{font-size:clamp(2.1rem,10vw,3.1rem)}}
@media (max-width:410px){.brand span{display:none}.card-body{grid-template-columns:42px minmax(0,1fr);gap:13px}.app-icon{width:42px;height:42px}.card-link{grid-column:1/-1}.status{top:12px;right:12px;font-size:.65rem}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--paper:#111827;--surface:#0d1423;--line:#2c374a;--muted:#aeb8c8;--ink:#f4f7fb;--ink-2:#e4e9f1;--shadow:0 22px 60px rgba(0,0,0,.32);color-scheme:dark}:root:not([data-theme="light"]) .site-header{background:rgba(13,20,35,.88)}:root:not([data-theme="light"]) .header-cta{background:#fff;color:#172033}:root:not([data-theme="light"]) .theme-toggle .sun{display:none}:root:not([data-theme="light"]) .theme-toggle .moon{display:block}:root:not([data-theme="light"]) .app-card,:root:not([data-theme="light"]) .about-mark{background:#151f31}:root:not([data-theme="light"]) .card-media{background:#e9edf5}:root:not([data-theme="light"]) .status{color:#4c586d}:root:not([data-theme="light"]) .eyebrow.dark{color:#aeb8c8}:root:not([data-theme="light"]) .primary-nav a{color:#d3dcea}:root:not([data-theme="light"]) summary:after{background:#1d293d}}
:root[data-theme="dark"]{--paper:#111827;--surface:#0d1423;--line:#2c374a;--muted:#aeb8c8;--ink:#f4f7fb;--ink-2:#e4e9f1;--shadow:0 22px 60px rgba(0,0,0,.32);color-scheme:dark}:root[data-theme="dark"] .site-header{background:rgba(13,20,35,.88)}:root[data-theme="dark"] .header-cta{background:#fff;color:#172033}:root[data-theme="dark"] .theme-toggle .sun{display:none}:root[data-theme="dark"] .theme-toggle .moon{display:block}:root[data-theme="dark"] .app-card,:root[data-theme="dark"] .about-mark{background:#151f31}:root[data-theme="dark"] .card-media{background:#e9edf5}:root[data-theme="dark"] .status{color:#4c586d}:root[data-theme="dark"] .eyebrow.dark{color:#aeb8c8}:root[data-theme="dark"] .primary-nav a{color:#d3dcea}:root[data-theme="dark"] summary:after{background:#1d293d}

/* Accessible mobile navigation drawer */
.menu-toggle{display:none;width:44px;height:44px;flex:0 0 44px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}.menu-toggle span{width:19px;height:2px;border-radius:999px;background:currentColor;transition:transform .22s ease,opacity .22s ease}.menu-toggle:focus-visible,.menu-close:focus-visible{outline:3px solid rgba(255,107,0,.35);outline-offset:3px}.menu-backdrop{position:fixed;z-index:80;inset:0;background:rgba(7,13,24,.56);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .28s ease,visibility 0s linear .28s}.mobile-menu{position:fixed;z-index:90;inset:0 auto 0 0;width:min(86vw,370px);display:flex;flex-direction:column;padding:20px 22px 24px;background:var(--paper);color:var(--ink);box-shadow:24px 0 70px rgba(7,13,24,.24);transform:translateX(-105%);visibility:hidden;overflow-y:auto;overscroll-behavior:contain;transition:transform .3s cubic-bezier(.2,.8,.2,1),visibility 0s linear .3s}.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-bottom:20px;border-bottom:1px solid var(--line)}.mobile-menu-head .brand{font-size:1.08rem}.menu-close{width:44px;height:44px;flex:0 0 44px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer}.menu-close svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}.mobile-nav{display:grid;margin-top:24px}.mobile-nav a{display:grid;grid-template-columns:38px 1fr;align-items:center;min-height:62px;border-bottom:1px solid var(--line);font-size:1.22rem;font-weight:800;letter-spacing:-.025em}.mobile-nav a span{color:var(--orange);font-size:.7rem;font-weight:850;letter-spacing:.08em}.mobile-nav a:hover,.mobile-nav a:focus-visible{color:var(--orange)}.mobile-menu-foot{margin-top:auto;padding-top:32px}.mobile-menu-foot p{margin:0 0 18px;color:var(--muted);font-size:.94rem}.mobile-menu-foot .button{width:100%}.menu-open{overflow:hidden}.menu-open .menu-backdrop{opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s}.menu-open .mobile-menu{transform:translateX(0);visibility:visible;transition-delay:0s}
@media (max-width:980px){.menu-toggle{display:flex}.header-inner{justify-content:flex-start}.primary-nav{display:none}.header-actions{margin-left:auto}}
@media (min-width:981px){.menu-backdrop,.mobile-menu{display:none!important}}
@media (max-width:410px){.menu-toggle{margin-left:2px}.mobile-menu{width:min(90vw,350px)}}
@media (prefers-reduced-motion:reduce){.mobile-menu,.menu-backdrop{transition:none}}