:root{--ink:#132019;--muted:#53615a;--line:#d5dfd9;--paper:#f4f7f5;--card:#fff;--soft:color-mix(in srgb,var(--brand) 10%,white);--deep:color-mix(in srgb,var(--brand) 34%,#08120e);--shadow:0 18px 55px rgba(14,35,25,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden;color:var(--ink);background:var(--paper);font:16px/1.66 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;text-rendering:optimizeLegibility}a{color:var(--brand)}.skip{position:fixed;z-index:50;left:12px;top:8px;transform:translateY(-150%);padding:10px 14px;border-radius:10px;background:#fff;color:#111}.skip:focus{transform:none}.shell{width:min(1180px,100%);margin:auto;padding-left:24px;padding-right:24px}.top{position:sticky;z-index:20;top:0;background:color-mix(in srgb,var(--deep) 94%,transparent);color:#fff;backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.09)}.top .shell{min-height:74px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:1.16rem;font-weight:850;letter-spacing:-.025em}.brand:before{content:"";width:11px;height:11px;border-radius:50%;background:color-mix(in srgb,var(--brand) 45%,white);box-shadow:0 0 0 5px rgba(255,255,255,.09)}.main-nav{display:flex;flex-wrap:wrap;gap:6px;margin-left:auto}.main-nav a,.langs a{min-height:40px;display:flex;align-items:center;color:#e4eee9;text-decoration:none;font-size:.9rem;border-radius:999px;padding:0 12px}.main-nav a:hover,.langs a:hover{background:rgba(255,255,255,.09)}.langs{display:flex;gap:2px;border-left:1px solid rgba(255,255,255,.18);padding-left:12px}.langs a[aria-current]{color:#fff;background:rgba(255,255,255,.13);font-weight:800}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 88% 20%,color-mix(in srgb,var(--brand) 22%,transparent),transparent 32%),linear-gradient(138deg,#fff 0%,var(--soft) 57%,color-mix(in srgb,var(--brand) 15%,white) 100%);border-bottom:1px solid var(--line)}.hero:before,.hero:after{content:"";position:absolute;pointer-events:none;border:1px solid color-mix(in srgb,var(--brand) 20%,transparent);border-radius:50%}.hero:before{width:330px;height:330px;right:-90px;top:-160px}.hero:after{width:170px;height:170px;right:120px;bottom:-120px}.hero .shell{position:relative;padding-top:42px;padding-bottom:66px}.hero-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.65fr);gap:56px;align-items:end}.hero-copy{max-width:930px}.crumbs{display:flex;gap:9px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:.85rem;margin-bottom:40px}.crumbs a{text-decoration:none}.crumbs b{font-weight:400;color:#93a19a}.kicker,.eyebrow{display:block;color:var(--brand);font-weight:850;text-transform:uppercase;letter-spacing:.095em;font-size:.71rem}.hero h1{max-width:920px;margin:.45rem 0 1rem;font-size:clamp(2.4rem,6.5vw,5.35rem);line-height:.98;letter-spacing:-.06em;text-wrap:balance}.lede{max-width:840px;margin:0;color:#35453d;font-size:clamp(1.06rem,2vw,1.34rem);line-height:1.58}.hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:27px}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:0 19px;border:1px solid color-mix(in srgb,var(--brand) 38%,var(--line));border-radius:13px;background:rgba(255,255,255,.72);color:var(--deep);font-weight:800;text-decoration:none;box-shadow:0 6px 18px rgba(20,32,28,.04)}.button.primary{background:var(--brand);border-color:var(--brand);color:#fff}.button:hover{transform:translateY(-1px)}.hero-panel{padding:24px;border:1px solid color-mix(in srgb,var(--brand) 26%,var(--line));border-radius:22px;background:rgba(255,255,255,.72);box-shadow:var(--shadow);backdrop-filter:blur(10px)}.hero-panel ol{list-style:none;display:grid;gap:15px;margin:18px 0 0;padding:0;counter-reset:hero-point}.hero-panel li{display:grid;grid-template-columns:30px 1fr;gap:11px;align-items:start;font-weight:750;line-height:1.38}.hero-panel li:before{counter-increment:hero-point;content:counter(hero-point);display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:var(--soft);color:var(--brand);font-size:.76rem;font-weight:900}.jumpbar{background:#fff;border-bottom:1px solid var(--line)}.jumpbar .shell{min-height:58px;display:flex;align-items:center;gap:7px;overflow-x:auto;scrollbar-width:none}.jumpbar strong{margin-right:10px;white-space:nowrap;font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}.jumpbar a{white-space:nowrap;padding:7px 11px;border-radius:999px;color:var(--deep);text-decoration:none;font-size:.88rem}.jumpbar a:hover{background:var(--soft)}.answer-id{display:inline-flex;gap:8px;flex-wrap:wrap;margin:22px 0 0;padding:8px 12px;border:1px solid color-mix(in srgb,var(--brand) 28%,var(--line));border-radius:999px;background:rgba(255,255,255,.72);color:var(--muted);font:700 .73rem/1.2 ui-monospace,SFMono-Regular,monospace}.answer-id span{color:var(--brand);text-transform:uppercase}main.shell{padding-top:12px;padding-bottom:68px}section{padding:58px 0;border-bottom:1px solid var(--line)}section:last-of-type{border-bottom:0}.section-head{max-width:850px;margin-bottom:26px}.section-head h2{font-size:clamp(1.65rem,3.2vw,2.55rem);line-height:1.08;letter-spacing:-.042em;margin:0 0 10px;text-wrap:balance}.section-head p{margin:0;color:var(--muted);font-size:1.02rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:15px}.card{position:relative;min-height:154px;display:flex;flex-direction:column;gap:9px;border:1px solid var(--line);border-radius:20px;padding:23px;color:var(--ink);background:linear-gradient(155deg,#fff 0%,color-mix(in srgb,var(--soft) 30%,white) 100%);text-decoration:none;box-shadow:0 7px 26px rgba(20,32,28,.035);transition:border-color .18s,transform .18s,box-shadow .18s}.card:after{content:"→";margin-top:auto;color:var(--brand);font-weight:900}.card:hover{border-color:color-mix(in srgb,var(--brand) 55%,var(--line));transform:translateY(-3px);box-shadow:var(--shadow)}.card:focus-visible,.main-nav a:focus-visible,.langs a:focus-visible,summary:focus-visible{outline:3px solid #f0b44d;outline-offset:3px}.card strong{font-size:1.06rem;line-height:1.3}.card span:not(.eyebrow){color:var(--muted);font-size:.91rem}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 6px 20px rgba(20,32,28,.03)}.metric b{display:block;font-size:1.9rem;line-height:1.1;color:var(--brand);letter-spacing:-.04em}.metric span{font-size:.86rem;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:13px;padding:0;list-style:none;counter-reset:step}.steps li{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 6px 20px rgba(20,32,28,.03)}.steps li:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:31px;height:31px;border-radius:10px;background:var(--brand);color:#fff;font-weight:850;margin-bottom:14px}.answer-copy{max-width:900px;display:grid;gap:12px}.answer-copy p{margin:0;padding:18px 20px;border-left:4px solid var(--brand);background:#fff;border-radius:0 14px 14px 0}.decision-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.decision-card{position:relative;min-height:190px;padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 7px 24px rgba(20,32,28,.035)}.decision-card>span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--soft);color:var(--brand);font-size:.76rem;font-weight:900}.decision-card h3{margin:28px 0 8px;font-size:1.16rem;letter-spacing:-.02em}.decision-card p{margin:0;color:var(--muted)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 7px 26px rgba(20,32,28,.035)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px 17px;border-bottom:1px solid var(--line);vertical-align:top}thead th{background:var(--soft);font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--deep)}tbody th{width:27%;color:var(--muted)}.comparison td:last-child{min-width:360px}.faq{display:grid;gap:12px}.faq details{border:1px solid var(--line);border-radius:16px;background:#fff;padding:0 19px}.faq summary{cursor:pointer;min-height:58px;display:flex;align-items:center;font-weight:800;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";margin-left:auto;color:var(--brand);font-size:1.35rem}.faq details[open] summary:after{content:"−"}.faq p{margin:0;padding:0 0 19px;color:var(--muted);max-width:900px}.safety{margin:44px 0 0;padding:24px 26px;border-radius:18px;border:1px solid #ecd69b;border-left:6px solid #bd7411;background:#fff8e8}.safety p{margin:.35rem 0 0}.notice{padding:18px 20px;border-radius:14px;background:var(--soft);color:#304038}.footer{background:var(--deep);color:#dbe9e2}.footer .shell{padding-top:34px;padding-bottom:34px;display:flex;align-items:center;justify-content:space-between;gap:28px}.footer a{color:#fff;margin-left:16px}.disclosure{color:#c7d2cc;font-size:.85rem;max-width:680px}.cluster-diagnosis .hero{background:radial-gradient(circle at 88% 20%,rgba(194,68,34,.18),transparent 32%),linear-gradient(138deg,#fff,var(--soft))}.cluster-film .hero{background:radial-gradient(circle at 88% 20%,rgba(255,194,94,.22),transparent 32%),linear-gradient(138deg,#fff,var(--soft))}.cluster-tesla .hero{background:radial-gradient(circle at 88% 20%,rgba(90,120,138,.20),transparent 32%),linear-gradient(138deg,#fff,var(--soft))}.cluster-concrete .hero{background:radial-gradient(circle at 88% 20%,rgba(138,92,49,.20),transparent 32%),linear-gradient(138deg,#fff,var(--soft))}@media(max-width:760px){.shell{padding-left:18px;padding-right:18px}.top{position:relative}.top .shell{padding-top:14px;padding-bottom:14px;align-items:flex-start;flex-direction:column;gap:10px}.main-nav{margin:0;width:100%;gap:7px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;scrollbar-width:none}.main-nav a{background:rgba(255,255,255,.07);white-space:nowrap}.langs{position:absolute;right:12px;top:10px;border:0;padding:0}.langs a{padding:0 9px}.hero .shell{padding-top:28px;padding-bottom:44px}.hero-layout{grid-template-columns:1fr;gap:24px}.hero-panel{max-width:620px}.crumbs{margin-bottom:25px}.hero h1{font-size:clamp(2.25rem,13vw,3.7rem)}.decision-grid,.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}section{padding:42px 0}.footer .shell{align-items:flex-start;flex-direction:column}.footer a{margin:0 16px 0 0}.comparison td:last-child{min-width:290px}}@media(max-width:600px){.brand{order:1}.langs{position:static;order:2}.main-nav{order:3}.hero-panel{padding:20px}.button{width:100%}.jumpbar .shell{padding-top:9px;padding-bottom:9px}.jumpbar strong{display:none}.decision-grid{grid-template-columns:1fr}}@media(max-width:480px){.decision-grid,.metrics,.grid,.steps{grid-template-columns:1fr}.decision-card{min-height:0}.card{min-height:0}.table-wrap{margin-left:-5px;margin-right:-5px}th,td{padding:12px 13px}.hero:before{width:220px;height:220px}.section-head h2{font-size:1.75rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}}