:root{--ink:#102b46;--muted:#4d6880;--blue:#076eb8;--blue-dark:#05568f;--aqua:#35c5c2;--sky:#eaf6ff;--card:#fff;--line:#c8deed;--danger:#a23843;--shadow:0 24px 60px rgba(21,74,111,.14)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{min-height:100vh;min-height:100dvh;margin:0;background:linear-gradient(180deg,#eaf6ff 0,#f8fcff 46%,#fff 100%);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
button,a{font:inherit}
a{color:var(--blue-dark)}
.skip{position:fixed;left:calc(16px + env(safe-area-inset-left));top:-80px;z-index:20;padding:10px 14px;background:#fff;border:2px solid var(--blue);border-radius:10px}.skip:focus{top:calc(16px + env(safe-area-inset-top))}
.site-header{max-width:1160px;margin:auto;padding:calc(20px + env(safe-area-inset-top)) calc(24px + env(safe-area-inset-right)) 20px calc(24px + env(safe-area-inset-left));display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;color:var(--ink);text-decoration:none;font-size:23px;font-weight:850;letter-spacing:-.03em}.brand img{display:block}.brand b{color:var(--blue)}
.site-header nav,.site-header nav a{display:flex;align-items:center}.site-header nav{gap:24px}.site-header nav a{text-decoration:none;font-weight:720}.nav-cta{min-height:44px;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--line)}
main{max-width:1160px;margin:auto;padding:52px calc(24px + env(safe-area-inset-right)) calc(80px + env(safe-area-inset-bottom)) calc(24px + env(safe-area-inset-left))}
.hero{display:grid;grid-template-columns:minmax(0,.9fr) minmax(360px,1.1fr);gap:64px;align-items:center;min-height:620px}
.eyebrow,.card-kicker,.result-label{margin:0 0 10px;color:var(--blue);font-size:.77rem;line-height:1.2;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
h1,h2,h3,p{overflow-wrap:break-word}h1{margin:0;font-size:clamp(3.8rem,9vw,7.2rem);line-height:.88;letter-spacing:-.075em}h2{font-size:clamp(2rem,4vw,3rem);line-height:1.04;letter-spacing:-.045em;margin:0 0 18px}h3{font-size:1.55rem;line-height:1.15;margin:6px 0 10px}
.lede{font-size:1.24rem;max-width:590px;color:var(--muted);margin:28px 0}
.trust-list{display:flex;flex-wrap:wrap;gap:12px 22px;padding:0;margin:0;list-style:none;color:var(--muted);font-weight:740}.trust-list li::before{content:"✓";color:var(--blue);margin-right:8px}
.checker-card{background:rgba(255,255,255,.94);border:1px solid rgba(132,183,216,.55);border-radius:28px;box-shadow:var(--shadow);padding:28px}
.checker-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.checker-heading h2{font-size:1.7rem;margin:0}.usage{font-size:.8rem;font-weight:850;padding:7px 10px;border-radius:999px;color:var(--blue-dark);background:var(--sky);white-space:nowrap}
.drop-zone{width:100%;min-height:188px;margin:24px 0 14px;padding:24px;border:2px dashed #87badb;border-radius:20px;background:#f7fcff;color:var(--ink);display:flex;align-items:center;justify-content:center;gap:16px;cursor:pointer;text-align:left}.drop-zone:hover,.drop-zone:focus-visible{border-color:var(--blue);background:#eff9ff;outline:3px solid rgba(7,110,184,.13)}.drop-zone small{display:block;color:var(--muted);font-weight:600;margin-top:4px}.drop-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--blue);color:#fff;font-size:30px;font-weight:300}
.preview-wrap{position:relative;margin:24px 0 14px;border-radius:20px;overflow:hidden;background:#dcebf4;min-height:220px}.preview-wrap img{display:block;width:100%;height:280px;object-fit:contain}.change-button{position:absolute;right:12px;top:12px;border:0;border-radius:999px;padding:9px 13px;background:rgba(255,255,255,.94);color:var(--ink);font-weight:800;cursor:pointer}
.check-button,.share-button{border:0;border-radius:13px;font-weight:850;cursor:pointer}.check-button{width:100%;min-height:54px;background:var(--blue);color:#fff;font-size:1.05rem}.check-button:hover:not(:disabled){background:var(--blue-dark)}.check-button:disabled{opacity:.48;cursor:not-allowed}
.progress{min-height:54px;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--blue-dark);font-weight:760}.spinner{width:20px;height:20px;border:3px solid #c7e4f5;border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.spinner{animation:none}}
.result{margin-top:18px;padding:20px;border-radius:18px;background:#eff9ff;border:1px solid #bcdced;outline:none}.score-row{display:flex;align-items:baseline;gap:3px}.score-row strong{font-size:3.2rem;line-height:1;color:var(--blue);letter-spacing:-.06em}.score-row span{color:var(--muted);font-weight:800}.result p:not(.result-label){color:var(--muted);margin:0}.result-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:18px}.share-button{min-height:44px;padding:0 15px;background:var(--ink);color:#fff}.result-actions a{display:inline-flex;align-items:center;min-height:44px;font-weight:820}
.error{min-height:1.4em;margin:12px 0 0;color:var(--danger);font-size:.92rem;font-weight:700}.fine-print{color:var(--muted);font-size:.82rem;margin:12px 0 0}
.explain{margin:100px 0;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.explain>div>p:last-child{color:var(--muted);font-size:1.08rem}.explain ol{counter-reset:steps;list-style:none;margin:0;padding:0}.explain li{counter-increment:steps;display:grid;grid-template-columns:46px 1fr;gap:4px 15px;padding:22px 0;border-bottom:1px solid var(--line)}.explain li::before{content:counter(steps);grid-row:1/3;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--sky);color:var(--blue);font-weight:900}.explain li b{font-size:1.04rem}.explain li span{color:var(--muted)}
.faq{max-width:860px;margin:0 auto 100px}.faq>p,.faq>h2{text-align:center}.faq details{border-top:1px solid var(--line);padding:10px 4px}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{display:list-item;min-height:44px;padding:8px 0;font-size:1.05rem;font-weight:830;cursor:pointer}.faq details p{color:var(--muted);margin:12px 0 2px;max-width:740px}
.cta{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:42px;border-radius:26px;background:var(--ink);color:#fff}.cta .eyebrow{color:#72e8e2}.cta h2{margin-bottom:10px}.cta p:last-child{margin:0;color:#cfe2ef;max-width:700px}.cta a{flex:0 0 auto;display:grid;place-items:center;min-height:52px;padding:0 22px;border-radius:13px;background:var(--aqua);color:#062e3b;text-decoration:none;font-weight:900}
footer{max-width:1160px;margin:auto;padding:28px calc(24px + env(safe-area-inset-right)) calc(40px + env(safe-area-inset-bottom)) calc(24px + env(safe-area-inset-left));border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;color:var(--muted);font-size:.9rem}footer nav{display:flex;gap:18px}footer nav a{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px}
[hidden]{display:none!important}
@media(max-width:820px){.site-header nav a:not(.nav-cta){display:none}main{padding-top:28px}.hero{grid-template-columns:1fr;min-height:0;gap:36px}.hero-copy{text-align:center}.trust-list{justify-content:center}.explain{grid-template-columns:1fr;gap:26px}.cta{align-items:flex-start;flex-direction:column}}
@media(max-width:480px){.site-header{padding:calc(16px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) 16px calc(16px + env(safe-area-inset-left))}.brand{font-size:20px}.nav-cta{padding:0 12px}main{padding-left:calc(16px + env(safe-area-inset-left));padding-right:calc(16px + env(safe-area-inset-right))}h1{font-size:4rem}.checker-card{padding:20px;border-radius:22px}.checker-heading{display:block}.usage{display:inline-block;margin-top:12px}.drop-zone{min-height:154px}.preview-wrap img{height:230px}.cta{padding:28px}footer{flex-direction:column}}