:root{
  --ink:#1e293b;
  --ink-2:#334155;
  --muted:#64748b;
  --blue:#0ea5e9;
  --blue-dark:#0284c7;
  --green:#22c55e;
  --bg:#ffffff;
  --tint:#f4f8fb;
  --line:#dbe5ec;
  --shadow:0 18px 60px rgba(15,23,42,.09);
  --radius:22px;
  --shell:min(1160px,calc(100% - 40px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
svg{width:1.2em;height:1.2em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.shell{width:var(--shell);margin-inline:auto}
.narrow{max-width:800px}
.skip-link{position:fixed;left:12px;top:-60px;z-index:1000;background:var(--ink);color:white;padding:10px 14px;border-radius:8px}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(219,229,236,.8)}
.header-inner{height:82px;display:flex;align-items:center;gap:28px}
.brand{display:block;width:224px;flex:0 0 auto}
.brand img{width:100%;height:auto}
.desktop-nav{display:flex;align-items:center;gap:23px;margin-left:auto;font-size:.92rem;font-weight:650;color:var(--ink-2)}
.desktop-nav a{position:relative;padding:28px 0}
.desktop-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:20px;height:2px;background:var(--blue);transition:right .2s ease}
.desktop-nav a:hover:after,.desktop-nav a.active:after{right:0}
.header-cta{padding:10px 15px;border:1px solid var(--ink);border-radius:999px;font-size:.9rem;font-weight:700;white-space:nowrap}
.header-cta:hover{background:var(--ink);color:white}
.menu-button{display:none;margin-left:auto;background:none;border:0;padding:8px;color:var(--ink)}
.menu-button svg{width:28px;height:28px}
.mobile-nav{display:none}
.hero{padding:68px 0 54px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero-copy h1,.page-hero h1{font-size:clamp(2.8rem,6vw,5.4rem);line-height:.98;letter-spacing:-.055em;margin:14px 0 22px;max-width:900px}
.hero-copy h1{font-size:clamp(3rem,5.6vw,5rem)}
.hero-lead,.lead{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--ink-2);max-width:760px;margin:0 0 28px}
.eyebrow{margin:0;color:var(--blue-dark);font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 18px;border-radius:12px;font-weight:750;border:1px solid transparent;transition:transform .15s ease,background .15s ease,border-color .15s ease}
.button:hover{transform:translateY(-1px)}
.button.primary{background:var(--ink);color:#fff}
.button.primary:hover{background:#0f172a}
.button.secondary{border-color:#b7c7d2;background:white;color:var(--ink)}
.button.secondary:hover{border-color:var(--ink)}
.button.white{background:white;color:var(--ink)}
.button.ghost-light{border-color:rgba(255,255,255,.45);color:white}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;margin-top:32px;color:var(--muted);font-size:.92rem;font-weight:650}
.hero-points span{display:inline-flex;gap:8px;align-items:center}
.hero-points svg{color:var(--green)}
.system-visual{position:relative;min-height:520px;border-radius:34px;background:linear-gradient(145deg,#eef9fe 0%,#f9fcfd 52%,#eef8f2 100%);border:1px solid #dceaf0;box-shadow:var(--shadow);overflow:hidden;padding:26px}
.system-visual:before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(14,165,233,.18),rgba(14,165,233,0) 70%);right:-120px;top:-120px}
.system-visual:after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(34,197,94,.14),rgba(34,197,94,0) 70%);left:-100px;bottom:-90px}
.visual-topline{display:flex;justify-content:space-between;position:relative;z-index:2;font-size:.72rem;font-weight:900;letter-spacing:.2em;color:var(--muted)}
.indoor-unit{position:absolute;left:13%;top:23%;width:62%;height:84px;background:#fff;border-radius:14px 14px 18px 18px;box-shadow:0 14px 35px rgba(30,41,59,.13);border:1px solid #e7eef2;z-index:4}
.indoor-unit:before{content:"";position:absolute;left:7%;right:7%;bottom:14px;height:4px;background:#cad7df;border-radius:99px}
.indoor-unit span:first-child{position:absolute;right:16px;top:15px;width:8px;height:8px;border-radius:50%;background:var(--green)}
.indoor-unit i{position:absolute;left:10%;right:10%;bottom:-8px;height:15px;border-radius:0 0 12px 12px;background:#eaf0f3;transform:skewX(-8deg)}
.airflow{position:absolute;left:24%;width:48%;height:70px;border-radius:50%;border-bottom:4px solid rgba(14,165,233,.6);transform:rotate(7deg);z-index:3}
.air-1{top:39%}.air-2{top:43%;left:28%;width:44%;border-color:rgba(14,165,233,.38)}.air-3{top:47%;left:33%;width:38%;border-color:rgba(34,197,94,.45)}
.outdoor-unit{position:absolute;right:10%;bottom:12%;width:38%;height:190px;background:#f8fafc;border-radius:18px;border:1px solid #cad7df;box-shadow:0 18px 38px rgba(30,41,59,.14);z-index:4}
.fan{position:absolute;width:130px;height:130px;border:5px solid #d9e4ea;border-radius:50%;left:18px;top:28px}
.fan:before,.fan:after,.fan i{content:"";position:absolute;left:50%;top:50%;width:48px;height:17px;background:#b9c8d1;border-radius:80% 15% 80% 15%;transform-origin:0 50%}
.fan:before{transform:rotate(0deg)}.fan:after{transform:rotate(120deg)}.fan i{transform:rotate(240deg)}
.fan{background:radial-gradient(circle at center,#64748b 0 8px,transparent 9px)}
.vents{position:absolute;right:17px;top:32px;width:18px;height:120px;border-left:2px solid #cbd5e1;border-right:2px solid #cbd5e1}
.visual-note{position:absolute;left:28px;bottom:26px;display:flex;gap:8px;align-items:center;font-size:.8rem;color:var(--ink-2);z-index:5}
.visual-note strong{font-weight:750}.visual-note span{color:#9fb0bc}
.service-strip{border-block:1px solid var(--line);background:#fff}
.strip-grid{min-height:82px;display:grid;grid-template-columns:repeat(4,1fr);align-items:center;gap:20px}
.strip-grid span{display:flex;align-items:center;gap:10px;justify-content:center;font-size:.92rem;font-weight:700;color:var(--ink-2)}
.strip-grid svg{color:var(--blue);width:23px;height:23px}
.section{padding:92px 0}
.section-tint{background:var(--tint)}
.section-heading{max-width:700px;margin-bottom:36px}
.section-heading h2,.split h2,.contact-band h2,.sister-inner h2,.prose h2{font-size:clamp(2rem,4vw,3.25rem);line-height:1.08;letter-spacing:-.035em;margin:10px 0 14px}
.section-heading p:not(.eyebrow),.lead-sm,.split>div>p:not(.eyebrow){color:var(--muted);font-size:1.05rem}
.feature-grid{display:grid;gap:18px}.feature-grid.three{grid-template-columns:repeat(3,1fr)}.feature-grid.two{grid-template-columns:repeat(2,1fr)}
.feature-card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:white;min-height:210px}
.feature-card h2,.feature-card h3{font-size:1.3rem;margin:18px 0 8px;letter-spacing:-.02em}
.feature-card p{margin:0;color:var(--muted)}
.icon-box{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;background:#e8f7fd;color:var(--blue-dark)}
.icon-box svg{width:24px;height:24px}
.section-link{margin-top:28px}
.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--blue-dark);font-weight:800}
.text-link svg{transition:transform .2s ease}.text-link:hover svg{transform:translateX(3px)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.plain-list{display:grid;grid-template-columns:1fr 1fr;gap:9px 25px;padding:0;margin:24px 0 30px;list-style:none}
.plain-list li{position:relative;padding-left:19px;font-weight:650}.plain-list li:before{content:"";position:absolute;left:0;top:.63em;width:7px;height:7px;border-radius:50%;background:var(--green)}
.technical-card{position:relative;background:var(--ink);color:white;border-radius:28px;padding:36px;box-shadow:0 22px 60px rgba(30,41,59,.17);overflow:hidden}
.technical-card:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(14,165,233,.22);border-radius:50%;right:-80px;bottom:-90px}
.technical-label{font-size:.7rem;letter-spacing:.2em;color:#9fdfff;font-weight:850}
.tech-row{display:grid;grid-template-columns:1fr auto 1fr;gap:15px;align-items:center;margin:26px 0;font-weight:750}.tech-row span:last-child{text-align:right}.tech-row b{color:var(--green)}
.tech-line{height:1px;background:rgba(255,255,255,.12)}
.shop-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.shop-card{padding:24px 20px;border:1px solid var(--line);border-radius:18px;background:white;min-height:230px}
.shop-card h3{font-size:1.06rem;margin:18px 0 8px}.shop-card p{font-size:.9rem;color:var(--muted);margin:0}
.enquiry-section{background:linear-gradient(180deg,#fff 0,#f7fafc 100%)}
.enquiry-split{align-items:start}
.direct-contact{display:grid;gap:12px;margin-top:30px}
.direct-contact a{display:flex;align-items:center;gap:12px}.direct-contact svg{color:var(--blue);width:25px;height:25px}.direct-contact span{display:flex;flex-direction:column;font-weight:750}.direct-contact small{font-size:.72rem;color:var(--muted);font-weight:600}
.enquiry-form{background:white;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 12px 40px rgba(30,41,59,.07)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid label,.consent{display:flex;flex-direction:column;gap:7px;font-size:.86rem;font-weight:700;color:var(--ink-2)}
.form-grid label.full{grid-column:1/-1}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;border:1px solid #cbd8e1;border-radius:11px;background:white;color:var(--ink);padding:12px 13px;outline:none;transition:border .15s,box-shadow .15s}
.form-grid textarea{resize:vertical}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(14,165,233,.11)}
.consent{flex-direction:row;align-items:flex-start;margin:18px 0;gap:10px;font-size:.8rem;font-weight:500;line-height:1.4}.consent input{margin-top:3px}.consent a{text-decoration:underline}
.hp-field{position:absolute!important;left:-9999px!important;opacity:0!important}
.form-status{font-size:.87rem;min-height:1.4em;margin:12px 0 0;color:var(--muted)}.form-status.success{color:#15803d}.form-status.error{color:#b91c1c}
.sister-brand{padding:60px 0;border-top:1px solid var(--line)}
.sister-inner{display:flex;justify-content:space-between;align-items:end;gap:30px}.sister-inner h2{font-size:clamp(1.8rem,3vw,2.6rem);max-width:720px;margin-bottom:0}
.contact-band{background:var(--ink);color:white;padding:64px 0}.contact-band-inner{display:flex;justify-content:space-between;gap:35px;align-items:center}.contact-band h2{font-size:clamp(1.8rem,3vw,2.7rem);max-width:720px}.contact-band p:not(.eyebrow){color:#cbd5e1}.contact-band .eyebrow{color:#74d7ff}.contact-band-actions{display:flex;gap:10px;flex-wrap:wrap;flex:0 0 auto}
.breadcrumbs{width:var(--shell);margin:20px auto 0;display:flex;gap:8px;color:var(--muted);font-size:.8rem}.breadcrumbs a:hover{color:var(--blue-dark)}
.page-hero{padding:54px 0 78px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#fbfdfe)}
.page-hero h1{font-size:clamp(2.7rem,6vw,4.8rem);max-width:1000px}
.page-hero .lead{max-width:800px}
.feature-stack{display:grid;gap:14px}.feature-stack article{display:flex;gap:16px;align-items:flex-start;background:white;border:1px solid var(--line);border-radius:17px;padding:20px}.feature-stack h3{margin:3px 0 5px;font-size:1.05rem}.feature-stack p{margin:0;color:var(--muted);font-size:.93rem}.feature-stack .icon-box{flex:0 0 auto}
.check-list{list-style:none;padding:0;margin:26px 0;display:grid;gap:12px}.check-list li{display:flex;gap:11px;align-items:flex-start;font-weight:650}.check-list svg{flex:0 0 auto;color:var(--green);margin-top:2px}
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.path-grid article{background:white;border:1px solid var(--line);border-radius:20px;padding:28px}.path-grid article>span{font-size:.8rem;font-weight:850;color:var(--blue-dark);letter-spacing:.12em}.path-grid h3{margin:20px 0 8px;font-size:1.2rem}.path-grid p{margin:0;color:var(--muted)}
.technical-card.large{min-height:300px}.hp-diagram{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:10px;align-items:center;margin:50px 0 30px}.hp-diagram>div{display:grid;place-items:center;gap:10px;text-align:center}.hp-diagram svg{width:40px;height:40px;color:#7dd3fc}.hp-diagram>span{color:var(--green);font-size:1.7rem}.technical-card.large p{color:#cbd5e1}
.service-note{background:white;border:1px solid var(--line);border-radius:22px;padding:28px}.service-note strong{font-size:1.1rem}.service-note ul{margin:18px 0 0;padding-left:20px;color:var(--muted)}
.commerce-flow{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;background:white;border:1px solid var(--line);padding:34px;border-radius:22px}.commerce-flow span{padding:10px 14px;border-radius:999px;background:var(--tint);font-weight:750}.commerce-flow b{color:var(--green)}
.contact-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:38px;align-items:start}.contact-aside{position:sticky;top:110px;border:1px solid var(--line);border-radius:22px;padding:25px}.contact-item{display:flex;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}.contact-item svg{color:var(--blue);width:24px;height:24px;flex:0 0 auto}.contact-item span{display:flex;flex-direction:column}.contact-item small{color:var(--muted);font-size:.73rem}.contact-item strong{font-size:.96rem}.contact-item.static{cursor:default}.aside-note{margin-top:22px;padding:20px;border-radius:16px;background:var(--tint)}.aside-note p{font-size:.88rem;color:var(--muted)}
.prose{max-width:780px}.prose h2{font-size:1.7rem;margin-top:38px}.prose p{color:var(--ink-2)}.prose a{color:var(--blue-dark);text-decoration:underline}
.site-footer{border-top:1px solid var(--line);background:#f8fafc;padding:65px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:45px}.footer-brand img{width:230px}.footer-brand>p{max-width:360px;color:var(--muted);font-size:.92rem}.footer-brand .legal-brand{font-size:.78rem;margin-top:22px}.footer-grid h2{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;margin:5px 0 17px}.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;align-items:flex-start;gap:9px;font-size:.88rem;color:var(--ink-2)}.footer-grid>div:not(.footer-brand)>p{margin:0;color:var(--muted)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);margin-top:45px;padding-top:22px;color:var(--muted);font-size:.78rem}.footer-bottom div{display:flex;gap:18px}
@media (max-width:1050px){
  .desktop-nav,.header-cta{display:none}.menu-button{display:grid;place-items:center}.header-inner{height:74px}.brand{width:205px}
  .mobile-nav{position:absolute;left:0;right:0;top:74px;background:white;border-bottom:1px solid var(--line);padding:12px 20px 20px;box-shadow:0 20px 40px rgba(15,23,42,.08);display:none;flex-direction:column;align-items:stretch}.mobile-nav.open{display:flex}.mobile-nav a{padding:12px 4px;font-weight:700;border-bottom:1px solid #edf2f6}.mobile-nav .mobile-cta{margin-top:10px;text-align:center;border:0;background:var(--ink);color:white;border-radius:10px}
  .hero-grid{gap:35px}.system-visual{min-height:460px}.shop-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:820px){
  :root{--shell:min(100% - 28px,1160px)}
  .hero{padding:45px 0}.hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:38px}.hero-copy h1{max-width:680px}.system-visual{min-height:440px}.service-strip{overflow:auto}.strip-grid{min-width:720px}
  .section{padding:70px 0}.feature-grid.three{grid-template-columns:1fr}.feature-grid.two{grid-template-columns:1fr}.path-grid{grid-template-columns:1fr}.shop-grid{grid-template-columns:repeat(2,1fr)}
  .contact-band-inner,.sister-inner{align-items:flex-start;flex-direction:column}.contact-aside{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
}
@media (max-width:560px){
  .header-inner{height:68px}.mobile-nav{top:68px}.brand{width:180px}.hero-copy h1,.page-hero h1{font-size:clamp(2.45rem,13vw,3.6rem)}.hero-lead{font-size:1.04rem}.actions{display:grid;grid-template-columns:1fr}.actions .button{width:100%}
  .system-visual{min-height:390px;border-radius:24px}.indoor-unit{left:9%;width:74%;top:22%}.outdoor-unit{right:7%;width:48%;height:166px}.fan{width:104px;height:104px}.visual-note{font-size:.68rem;left:18px}.hero-points{display:grid;gap:10px}
  .section{padding:58px 0}.section-heading h2,.split h2{font-size:2rem}.form-grid{grid-template-columns:1fr}.form-grid label.full{grid-column:auto}.enquiry-form{padding:20px;border-radius:18px}.shop-grid{grid-template-columns:1fr}.plain-list{grid-template-columns:1fr}.hp-diagram{grid-template-columns:1fr;gap:8px}.hp-diagram>span{transform:rotate(90deg)}
  .footer-grid{grid-template-columns:1fr;gap:30px}.footer-brand{grid-column:auto}.footer-bottom{align-items:flex-start;flex-direction:column}.sister-inner .button,.contact-band-actions{width:100%}.contact-band-actions .button{width:100%}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* 5B commerce + trust polish */
.hero-5b{padding-top:56px}
.hero-photo-card{position:relative;min-height:520px;border-radius:32px;overflow:hidden;background:#dfe9ed;border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-photo-card>img{width:100%;height:100%;min-height:520px;object-fit:cover;object-position:center 46%}
.hero-photo-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.02) 35%,rgba(15,23,42,.72) 100%);pointer-events:none}
.hero-photo-overlay{position:absolute;left:28px;right:28px;bottom:25px;z-index:2;color:white;display:flex;justify-content:space-between;gap:16px;align-items:flex-end}
.hero-photo-overlay span{font-size:.72rem;letter-spacing:.18em;font-weight:850}
.hero-photo-overlay strong{font-size:.95rem;text-align:right}
.hero-photo-badge{position:absolute;top:22px;left:22px;z-index:3;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-radius:14px;padding:10px 13px;box-shadow:0 12px 30px rgba(15,23,42,.12)}
.hero-photo-badge svg{color:var(--green);width:23px;height:23px}
.hero-photo-badge span{display:grid;font-weight:800;font-size:.82rem;line-height:1.2}.hero-photo-badge small{font-weight:650;color:var(--muted);font-size:.66rem}
.compact-heading{margin-bottom:28px}.compact-heading h2{max-width:820px}
.trust-section{padding-top:76px;padding-bottom:76px}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.trust-grid article{display:flex;gap:14px;align-items:flex-start;padding:22px;border:1px solid var(--line);border-radius:18px;background:white}
.trust-grid .icon-box{flex:0 0 auto}.trust-grid h3{margin:2px 0 6px;font-size:1rem}.trust-grid p{margin:0;color:var(--muted);font-size:.88rem}
.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.catalog-card{position:relative;background:white;border:1px solid var(--line);border-radius:22px;padding:28px;min-height:235px;display:flex;flex-direction:column;align-items:flex-start}
.catalog-label{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-dark);font-weight:850}
.catalog-card h3{font-size:1.35rem;margin:18px 0 9px}.catalog-card p{margin:0 0 24px;color:var(--muted)}.catalog-card .text-link{margin-top:auto}
.purchase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.purchase-card{position:relative;background:white;border:1px solid var(--line);border-radius:22px;padding:30px;display:flex;flex-direction:column;min-height:260px}
.purchase-number{font-size:.72rem;letter-spacing:.15em;font-weight:900;color:var(--green)}
.purchase-card h3{font-size:1.28rem;margin:21px 0 10px}.purchase-card p{color:var(--muted);margin:0 0 24px}.purchase-card .text-link{margin-top:auto}
.references-section{overflow:hidden}
.reference-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:16px}
.reference-card{margin:0;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:white}
.reference-image{aspect-ratio:4/3;overflow:hidden;background:#e9eff2}.reference-card:first-child .reference-image{aspect-ratio:16/10}
.reference-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.reference-card:hover img{transform:scale(1.025)}
.reference-card figcaption{padding:19px 20px 22px}.reference-card h3{margin:0 0 5px;font-size:1.05rem}.reference-card p{margin:0;color:var(--muted);font-size:.88rem}
.mobile-action-bar{display:none}

@media (max-width:1050px){
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .catalog-grid,.purchase-grid{grid-template-columns:repeat(2,1fr)}
  .purchase-card:last-child,.catalog-card:last-child{grid-column:1/-1}
}
@media (max-width:820px){
  .hero-5b{padding-top:40px}.hero-photo-card{min-height:430px}.hero-photo-card>img{min-height:430px}
  .reference-grid{grid-template-columns:1fr 1fr}.reference-card:first-child{grid-column:1/-1}.reference-card:first-child .reference-image{aspect-ratio:16/9}
}
@media (max-width:560px){
  body{padding-bottom:66px}
  .hero-photo-card{min-height:340px;border-radius:23px}.hero-photo-card>img{min-height:340px}.hero-photo-overlay{left:18px;right:18px;bottom:18px;display:block}.hero-photo-overlay strong{display:block;text-align:left;margin-top:5px;font-size:.84rem}.hero-photo-badge{top:14px;left:14px}
  .trust-grid,.catalog-grid,.purchase-grid,.reference-grid{grid-template-columns:1fr}.purchase-card:last-child,.catalog-card:last-child,.reference-card:first-child{grid-column:auto}
  .trust-grid article{padding:18px}.catalog-card,.purchase-card{min-height:0;padding:23px}.reference-card:first-child .reference-image,.reference-image{aspect-ratio:4/3}
  .mobile-action-bar{position:fixed;left:0;right:0;bottom:0;z-index:120;display:grid;grid-template-columns:1fr 1.25fr;padding:8px max(10px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));gap:8px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(14px);box-shadow:0 -8px 30px rgba(15,23,42,.08)}
  .mobile-action-bar a{min-height:46px;border:1px solid var(--line);border-radius:11px;display:flex;align-items:center;justify-content:center;gap:7px;font-size:.88rem;font-weight:800;background:white}.mobile-action-bar a:last-child{background:var(--ink);color:white;border-color:var(--ink)}.mobile-action-bar svg{width:18px;height:18px;color:var(--blue)}
}