@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root{--bg:#f5f6f8;--ink:#151b29;--muted:#606a7c;--line:#e1e5eb;--accent:#b8f36b;--dark:#101522;--card:#fff;--max:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none}
.site-header{height:76px;padding:0 max(24px,calc((100vw - var(--max))/2));display:flex;align-items:center;justify-content:space-between;background:rgba(245,246,248,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;backdrop-filter:blur(14px)}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:Manrope,sans-serif;font-weight:800;letter-spacing:.04em}
.brand b{font-weight:500;color:#687184}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--accent);border-radius:11px;color:var(--dark);font-size:19px}
.nav{display:flex;gap:28px;font-size:13px;font-weight:700;color:#525d70}
.nav a:hover,.back-top:hover{color:#526e20}
.menu-toggle{display:none;border:0;background:none;font-size:25px}
.hero{background:var(--dark);color:white;min-height:550px;padding:78px max(24px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;overflow:hidden}
.hero-content{max-width:590px}
.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:800;color:#75819a}
.hero .eyebrow{color:var(--accent)}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:Manrope,Arial,sans-serif;line-height:1.15;letter-spacing:-.035em}
h1{font-size:clamp(38px,5vw,62px);margin:18px 0}
.hero-content>p:not(.hero-note){font-size:17px;color:#c2cad7;max-width:540px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.button{display:inline-flex;align-items:center;gap:14px;padding:13px 18px;border-radius:10px;font-size:13px;font-weight:800;transition:transform .2s}
.button:hover{transform:translateY(-2px)}
.primary{background:var(--accent);color:var(--dark)}
.secondary{border:1px solid #495267;color:#fff}
.hero-note{margin:25px 0 0;color:#8792a5;font-size:12px}
.hero-art{min-height:350px;display:grid;place-items:center;position:relative;background:radial-gradient(ellipse at center,#283449 0%,#151d2b 47%,transparent 70%)}
.lens{display:grid;place-items:center;border-radius:50%;border:1px solid #67768d;box-shadow:0 0 0 16px rgba(255,255,255,.025),0 0 0 42px rgba(255,255,255,.025),0 0 0 68px rgba(255,255,255,.02)}
.lens-one{width:260px;height:260px;background:linear-gradient(135deg,#303c51,#101522 65%);box-shadow:0 0 0 12px #202b3d,0 0 0 14px #607087,0 0 0 28px #172131,0 0 0 30px #4b5a70,0 0 60px #5e7793}
.lens-two{width:160px;height:160px;background:radial-gradient(circle at 35% 30%,#91a8bf,#29394e 26%,#111827 68%);border-color:#91a0b3}
.lens-center{width:70px;height:70px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#91b5bb,#223f50 42%,#080e19 72%);border:3px solid #506b80}
.art-label{position:absolute;bottom:22px;right:8%;font-family:Manrope,sans-serif;font-weight:800;letter-spacing:.22em;font-size:11px;color:var(--accent)}
.section{max-width:var(--max);margin:auto;padding:88px 24px}
.section-heading{max-width:650px;margin-bottom:32px}
h2{font-size:clamp(30px,4vw,43px);margin:12px 0}
.section-lead{color:var(--muted);margin-bottom:0}
.intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
.intro-copy p{color:#4d586a}
.notice{padding:17px 19px;background:#eaf2df;border-left:3px solid #84b64b;border-radius:0 10px 10px 0;font-size:14px;color:#34452a;margin-top:22px}
.warning{background:#fff1d9;border-color:#e0a23a;color:#674b20}
.features-section{max-width:none;background:#e9edf2}
.features-section>.section-heading,.feature-grid{max-width:var(--max);margin-left:auto;margin-right:auto}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature-card{padding:25px;background:var(--card);border:1px solid #e0e5eb;border-radius:15px;min-height:220px}
.feature-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#eff7e5;color:#557d20;font-size:22px;margin-bottom:25px}
.feature-card h3,.steps h3,.faq-grid h3{font-size:18px;margin-bottom:10px}
.feature-card p,.faq-grid p{color:var(--muted);font-size:14px;margin-bottom:0}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:0}
.steps li{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:26px 0;border-top:1px solid var(--line)}
.step-number{font-family:Manrope,sans-serif;font-weight:800;color:#799e3d;font-size:14px;padding-top:3px}
.steps h3{margin-bottom:8px;font-size:19px}
.steps p{color:var(--muted);margin:0;max-width:800px}
.problem-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";font-size:22px;color:#719438}
details[open] summary:after{content:"−"}
details p{padding:14px 32px 0 0;margin:0;color:var(--muted);max-width:800px}
.faq-section{padding-top:45px}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.faq-grid article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}
.footer{padding:34px max(24px,calc((100vw - var(--max))/2));background:var(--dark);color:#c4ccda;display:grid;grid-template-columns:1fr auto;gap:10px 24px;align-items:center}
.footer .brand{color:white}
.footer .brand b{color:#aeb8c8}
.footer p{font-size:12px;margin:0;color:#929db0}
.footer .disclaimer{grid-column:1/-1;max-width:760px}
.back-top{font-size:13px;font-weight:700;color:var(--accent);grid-column:2;grid-row:1/3}
@media(max-width:800px){.site-header{height:66px}.menu-toggle{display:block;color:var(--ink)}.nav{display:none;position:absolute;top:65px;left:0;right:0;background:var(--bg);padding:18px 24px 24px;flex-direction:column;gap:18px;border-bottom:1px solid var(--line)}.nav.open{display:flex}.hero{grid-template-columns:1fr;gap:16px;padding-top:58px;padding-bottom:50px}.hero-art{min-height:280px}.lens-one{width:210px;height:210px}.lens-two{width:130px;height:130px}.intro{grid-template-columns:1fr;gap:20px}.feature-grid{grid-template-columns:repeat(2,1fr)}.section{padding-top:65px;padding-bottom:65px}}
@media(max-width:520px){.hero{padding-left:20px;padding-right:20px}h1{font-size:39px}.section{padding-left:20px;padding-right:20px}.feature-grid,.faq-grid{grid-template-columns:1fr}.feature-card{min-height:0}.steps li{grid-template-columns:42px 1fr;gap:12px}.footer{grid-template-columns:1fr;gap:14px}.back-top{grid-column:1;grid-row:auto}.footer .disclaimer{grid-column:1}.hero-actions{align-items:stretch;flex-direction:column}.button{justify-content:center}}