:root{--navy:#12649d;--blue:#248bd0;--cyan:#28d0e8;--ink:#123047;--muted:#607a8d;--mist:#eef8fb;--line:#d9e8ef;--white:#fff;--green:#159875;--shadow:0 18px 50px rgba(18,48,71,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}img{max-width:100%}
.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.topbar{background:var(--ink);color:#dff8ff;text-align:center;padding:7px 20px;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:.06em;color:var(--navy)}.brand img{width:55px;height:55px;object-fit:cover;object-position:50% 17%;border-radius:10px}.links{display:flex;align-items:center;gap:26px}.links a{text-decoration:none;font-size:.92rem;font-weight:650}.links a:hover,.links a.active{color:var(--blue)}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:8px;background:var(--navy);color:#fff!important;text-decoration:none;font-weight:750;box-shadow:0 8px 24px rgba(18,100,157,.2)}.button.alt{background:#fff;color:var(--navy)!important;border:1px solid var(--line);box-shadow:none}
.hero{min-height:620px;display:grid;align-items:center;position:relative;overflow:hidden;background:radial-gradient(circle at 84% 20%,rgba(40,208,232,.22),transparent 31%),linear-gradient(135deg,#f8fdff 0%,#e9f8fc 54%,#fff 100%)}.hero:after{content:"";position:absolute;right:-7vw;bottom:-15vw;width:48vw;height:48vw;border:70px solid rgba(37,139,208,.08);border-radius:50%}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;position:relative;z-index:1;padding:80px 0}.eyebrow{color:var(--navy);font-size:.78rem;font-weight:850;letter-spacing:.14em;text-transform:uppercase}.hero h1,.page-hero h1{font-size:clamp(2.7rem,6vw,5.5rem);line-height:.98;letter-spacing:-.055em;margin:18px 0 25px;max-width:800px}.hero h1 span{color:var(--blue)}.lede{font-size:1.18rem;max-width:650px;color:#49697e}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.seal{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow);transform:rotate(2deg)}.seal img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover}.seal-meta{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px;margin-top:18px;color:var(--muted);font-size:.86rem}
section{padding:88px 0}.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:38px}.section-head h2{font-size:clamp(2rem,4vw,3.4rem);letter-spacing:-.045em;line-height:1.05;margin:8px 0}.section-head p{max-width:560px;color:var(--muted)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{border:1px solid var(--line);border-radius:16px;padding:26px;background:#fff}.card .num{font-size:.76rem;color:var(--blue);font-weight:850;letter-spacing:.12em}.card h3{font-size:1.25rem;margin:12px 0 8px}.card p{color:var(--muted);margin:0}.band{background:var(--ink);color:#fff}.band .section-head p,.band .card p{color:#bed2de}.band .card{background:#173a51;border-color:#31556b}.band .num{color:var(--cyan)}.metric{font-size:2.25rem;font-weight:850;letter-spacing:-.04em;color:var(--cyan)}
.page-hero{padding:96px 0 70px;background:linear-gradient(125deg,#f5fbfd,#e9f8fc)}.page-hero h1{font-size:clamp(2.6rem,5vw,4.8rem)}.page-hero p{max-width:760px;font-size:1.15rem;color:var(--muted)}.case-list{display:grid;gap:18px}.case{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:26px;border:1px solid var(--line);border-radius:14px}.case strong{color:var(--navy)}.case h3{margin:0 0 6px}.case p{margin:0;color:var(--muted)}.standards{background:var(--mist)}.standard{padding:22px 0;border-top:1px solid #cbdde5;display:grid;grid-template-columns:180px 1fr;gap:28px}.standard a{color:var(--navy);font-weight:750}.standard p{margin:0;color:var(--muted)}
.aqi-panel{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;background:linear-gradient(120deg,var(--ink),#1a5776);color:#fff;border-radius:18px;padding:30px;margin-bottom:42px}.aqi-panel h3{font-size:1.5rem;margin:4px 0}.aqi-panel p{color:#c9dee8;margin:0}.aqi-panel .button{background:var(--cyan);color:var(--ink)!important;white-space:nowrap}
.steps{counter-reset:steps}.step{counter-increment:steps;display:grid;grid-template-columns:74px 1fr;gap:22px;padding:28px 0;border-top:1px solid var(--line)}.step:before{content:counter(steps,decimal-leading-zero);font-weight:850;font-size:1.3rem;color:var(--blue)}.step h3{margin:0 0 6px}.step p{margin:0;color:var(--muted)}.protocol{display:grid;grid-template-columns:1fr 1fr;gap:24px}.check{background:var(--mist);border-radius:14px;padding:24px}.check ul{padding-left:20px;margin-bottom:0}.disclaimer{border-left:4px solid var(--cyan);padding:15px 20px;background:#f4fbfd;color:#49697e}
.registry-tools{display:flex;gap:12px;margin-bottom:24px}.registry-tools input,.registry-tools select{font:inherit;padding:13px 14px;border:1px solid #bbd3de;border-radius:8px;background:#fff}.registry-tools input{flex:1}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:780px}th,td{text-align:left;padding:16px;border-bottom:1px solid var(--line)}th{font-size:.76rem;text-transform:uppercase;letter-spacing:.09em;background:var(--mist)}.status{display:inline-flex;padding:5px 10px;border-radius:999px;background:#e7f8f2;color:#087253;font-size:.78rem;font-weight:800}.empty{text-align:center;padding:56px 20px;color:var(--muted)}.empty strong{display:block;color:var(--ink);font-size:1.25rem;margin-bottom:6px}
.wa{position:fixed;right:22px;bottom:22px;z-index:30;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#25d366;color:#fff;text-decoration:none;box-shadow:0 10px 28px rgba(0,0,0,.22);font-weight:900;font-size:1.4rem}.wa:after{content:"WhatsApp";position:absolute;right:68px;background:var(--ink);font-size:.74rem;padding:5px 9px;border-radius:5px;opacity:0;transform:translateX(6px);transition:.2s}.wa:hover:after{opacity:1;transform:none}
footer{padding:48px 0;border-top:1px solid var(--line)}.foot{display:grid;grid-template-columns:1fr auto;gap:24px;color:var(--muted);font-size:.88rem}.foot strong{display:block;color:var(--navy);font-size:1rem;letter-spacing:.08em}.mobile{display:none;background:none;border:0;font-size:1.5rem;color:var(--ink)}
@media(max-width:820px){.wrap{width:min(100% - 28px,1160px)}.mobile{display:block}.links{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;border-bottom:1px solid var(--line)}.links.open{display:flex}.hero-grid,.protocol,.aqi-panel{grid-template-columns:1fr}.hero{min-height:auto}.seal{max-width:440px}.grid-3{grid-template-columns:1fr}.section-head{display:block}.case,.standard{grid-template-columns:1fr;gap:8px}.registry-tools{flex-direction:column}.foot{grid-template-columns:1fr}section{padding:64px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}