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@media(min-width:1650px){.section-shell{padding-left:6%;padding-right:6%}.dark-panel{padding-left:6%;padding-right:6%}.savings-panel{margin-left:6%;margin-right:6%}.hero-content{bottom:170px}.hero h1{font-size:144px}}
@media(max-width:1100px){.nav-island{gap:35px;padding:19px}.brand img{width:180px}.desktop-nav{gap:22px}.site-header{padding:22px}.hero{min-height:720px}.hero-content{left:34px}.hero-topline{margin-left:34px;margin-right:34px}.hero-bottom{left:34px;right:34px}.hero-bottom p{margin-right:10px}.hero h1{font-size:94px}.section-shell{padding-left:30px;padding-right:30px}.introduction{grid-template-columns:1fr 2.25fr;gap:30px}.intro-detail{display:block}.intro-detail .text-link{margin-top:25px}.intro-cards{margin-top:30px}.landscape-card{min-height:300px}.dark-panel{padding-left:30px;padding-right:30px}.technology-grid{gap:5%;grid-template-columns:1fr 1fr}.step-title{font-size:21px}.system-footer>div{gap:10px;font-size:10px}.system-footer>.text-link{font-size:10px}.benefit-grid{gap:30px}.savings-panel{margin:0 30px;gap:5%}.savings-result{padding:25px}.impact{gap:6%}.impact h2{font-size:45px}.impact-image{height:495px}.faq-heading h2{font-size:46px}.footer-links{gap:20px}.footer-signoff{display:none}}
@media(max-width:820px){.desktop-nav{display:none}.site-header{padding:18px;gap:12px}.nav-island{justify-content:space-between;flex:1;min-height:62px;padding:17px 20px}.header-cta{font-size:13px;min-height:48px;padding-left:17px;gap:12px}.header-cta .button-icon{width:32px;height:32px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:30px;height:30px;border:0;background:transparent;color:white;padding:4px}.menu-toggle span{height:1px;width:22px;background:currentColor;transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3px) rotate(-45deg)}.mobile-nav{position:absolute;top:91px;left:18px;right:18px;background:#050b1a;border:1px solid #254259;border-radius:9px;padding:15px 25px;display:none;box-shadow:0 25px 55px #0008}.mobile-nav.open{display:block;max-height:calc(100dvh - 115px);overflow-y:auto;overscroll-behavior:contain}.mobile-nav a{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid #40627b;font-size:22px;letter-spacing:-.025em}.mobile-nav a:last-child{border:0;color:var(--accent)}.mobile-nav a>span{font-size:11px;color:#b0c3d1}.hero-topline{margin-top:35px}.hero h1{font-size:88px}.hero-content{bottom:173px}.hero-image{object-position:57% center}.roof-marker{display:none}.hero-bottom p{font-size:13px;max-width:265px;margin-right:0}.hero-index{display:none}.hero-secondary{font-size:12px}.trust-strip{margin:0 20px;gap:18px}.trust-strip>span:not(.strip-divider){font-size:10px;gap:7px}.trust-strip svg{width:18px}.section-shell{padding:75px 25px}.introduction{display:block}.introduction>.section-label{max-width:none;margin:0 0 30px}.intro-main h2{font-size:52px}.intro-detail{display:flex}.intro-detail p{max-width:370px;font-size:14px}.intro-detail .text-link{margin:0}.intro-cards{margin-top:45px;grid-template-columns:1.3fr 1fr;gap:13px}.landscape-card{min-height:310px}.stat-card{padding:25px}.big-stat{font-size:98px}.stat-bottom p{font-size:14px}.round-link{width:35px;height:35px}.round-link svg{width:18px}.dark-panel{padding:48px 25px 25px}.section-heading{gap:25px}.section-heading h2{font-size:46px}.section-heading>p{font-size:13px;min-width:185px}.technology-grid{gap:28px;grid-template-columns:1fr 1fr}.tech-step{gap:11px;padding:23px 0}.tech-step .step-number{font-size:9px}.step-title{font-size:21px}.tech-step>svg{width:16px}.step-description{font-size:12px;line-height:1.6}.tech-visual{min-height:325px}.tech-caption{font-size:15px;left:18px;right:18px}.visual-label{left:15px;top:18px;font-size:7px}.system-footer{flex-wrap:wrap;margin-top:35px;row-gap:20px}.system-footer>div{order:3;width:100%;justify-content:center;gap:24px}.benefit-grid{gap:25px;margin-top:40px}.benefit-item h3{font-size:26px;margin-top:23px}.benefit-item p{font-size:13px}.savings-panel{margin:0 25px;gap:35px;grid-template-columns:1fr}.savings-intro h2{font-size:44px}.savings-intro>p br{display:none}.savings-result{padding:30px}.savings-result .fine-print{max-width:none}.savings-comparison>div{grid-template-columns:140px 1fr 40px}.impact{gap:30px;grid-template-columns:1fr 1fr}.impact h2{font-size:38px}.impact-copy>p{font-size:13px}.audience-links a{font-size:12px;padding:16px 0}.impact-image{height:450px}.faq-section{padding-top:0;gap:35px;grid-template-columns:1fr 1.3fr}.faq-heading h2{font-size:40px}.faq-list summary{font-size:15px;padding:22px 0;gap:15px}.faq-list details>p{font-size:13px;padding-right:20px}.contact-banner{padding:35px 25px 25px}.contact-banner-main{padding-right:10px}.contact-banner h2{font-size:76px}.contact-circle{width:120px;height:120px;gap:9px}.contact-circle svg{width:33px;height:33px}.contact-circle span{font-size:11px}.site-footer{padding:40px 35px 25px}.footer-brand img{width:185px}.footer-links{flex-wrap:wrap;max-width:220px;gap:17px 25px;font-size:12px}.back-top{white-space:nowrap;font-size:10px}.source-note{margin-top:30px}}
@media(max-width:560px){body{padding:6px 6px 0}.hero{min-height:760px;max-height:900px;height:calc(100svh - 12px);border-radius:10px}.site-header{padding:13px;gap:8px}.nav-island{padding:15px 13px;min-height:58px}.brand img{width:148px}.header-cta{padding:7px;min-height:42px;font-size:0;gap:0;background:var(--paper)}.header-cta .button-icon{width:34px;height:34px}.header-cta .button-icon svg{width:17px}.mobile-nav{left:13px;right:13px;top:85px}.hero-topline{margin:26px 22px 0}.eyebrow{font-size:8px;letter-spacing:.06em;gap:8px}.hero-coordinate{display:none}.hero-image{object-position:63% center}.hero-shade{background:linear-gradient(90deg,#091e2180,#091e211a),linear-gradient(0deg,#0a1819e0,transparent 60%)}.hero-content{left:22px;right:20px;bottom:220px}.hero h1{font-size:clamp(65px,15.7vw,90px);line-height:1.015;letter-spacing:-.055em}.winter-asterisk{width:25px;height:25px;top:9px;right:-39px}.hero-actions{flex-direction:column;align-items:flex-start;gap:19px;margin-top:31px}.hero-actions .button{font-size:13px;min-height:48px;padding-left:18px;gap:16px}.hero-actions .button-icon{width:32px;height:32px}.hero-secondary{font-size:12px;gap:10px;padding-left:3px}.hero-bottom{left:22px;right:22px;bottom:24px;flex-wrap:wrap;align-items:start;padding-top:19px;gap:20px}.hero-bottom p{order:-1;max-width:none;width:100%;font-size:13px;line-height:1.55;margin:0}.scroll-link{font-size:8px;gap:11px}.scroll-link span{width:27px;height:27px;font-size:14px}.trust-strip{margin:0 16px;padding:23px 0;gap:15px;flex-wrap:wrap;justify-content:center}.trust-strip>span:not(.strip-divider){font-size:10px;gap:8px}.trust-strip>span:last-child{display:none}.trust-strip .strip-divider:nth-last-child(2){display:none}.strip-divider{height:15px}.trust-strip svg{width:17px;height:17px}.section-shell{padding:62px 20px}.section-label{font-size:8px;letter-spacing:.045em}.introduction>.section-label{margin-bottom:27px}.intro-main h2{font-size:39px;letter-spacing:-.047em}.intro-detail{display:block;margin-top:22px}.intro-detail p{font-size:14px;line-height:1.65}.intro-detail .text-link{margin-top:22px;font-size:13px}.intro-cards{grid-template-columns:1fr;margin-top:34px;gap:12px}.landscape-card{height:230px;min-height:0}.image-tag{font-size:7px;left:15px;bottom:16px;padding:9px 11px}.stat-card{min-height:300px;padding:24px}.big-stat{font-size:125px;margin:12px 0}.stat-top{font-size:8px}.stat-top svg{width:26px;height:26px}.stat-bottom p{font-size:16px}.round-link{width:42px;height:42px}.dark-panel{border-radius:10px;padding:40px 20px 24px}.section-heading{display:block;margin-top:24px}.section-heading h2{font-size:39px;letter-spacing:-.045em}.section-heading>p{margin-top:22px;font-size:13px;line-height:1.6;max-width:none}.section-heading>p br{display:none}.technology-grid{grid-template-columns:1fr;margin-top:30px;gap:28px}.tech-step{padding:22px 0;gap:16px}.step-title{font-size:22px}.step-description{font-size:13px;max-width:300px;margin-top:13px}.tech-step .step-number{padding-top:6px}.tech-visual{min-height:280px}.visual-label{font-size:8px}.tech-caption{font-size:17px;bottom:21px}.system-footer{margin-top:28px;gap:17px}.system-footer>span{font-size:8px}.system-footer>.text-link{font-size:10px;gap:8px}.system-footer>div{gap:12px;font-size:10px}.system-footer>div svg{width:13px}.benefit-grid{grid-template-columns:1fr;margin-top:32px;gap:28px}.benefit-item{padding-top:22px}.benefit-top{font-size:8px}.benefit-top svg{width:28px;height:28px}.benefit-item h3{font-size:29px;margin:20px 0 14px}.benefit-item h3 br{display:none}.benefit-item p{max-width:none;font-size:14px;line-height:1.6}.savings-panel{margin:0 20px;padding:35px 0 40px;gap:29px}.savings-intro h2{font-size:36px}.savings-intro>p{font-size:13px}.slider-heading{font-size:11px;gap:10px}.slider-heading output{font-size:22px}.savings-result{padding:24px 20px}.savings-amount>span:first-child{font-size:68px}.savings-amount>span:last-child{font-size:13px}.savings-comparison>div{grid-template-columns:116px 1fr 30px;gap:7px;font-size:9px}.impact{grid-template-columns:1fr;gap:32px}.impact-image{height:330px}.impact h2{font-size:40px}.impact-copy>p{font-size:14px;margin-top:20px}.impact .section-label{margin-bottom:22px}.audience-links{margin-top:22px}.audience-links a{font-size:13px;padding:19px 0}.faq-section{padding-top:0;grid-template-columns:1fr;gap:30px}.faq-heading h2{font-size:39px}.faq-heading h2 br:nth-child(2){display:none}.faq-heading h2 .muted:before{content:' '}.faq-heading .text-link{margin-top:23px}.faq-list summary{font-size:15px;line-height:1.4;padding:21px 0}.faq-list details>p{font-size:13px;line-height:1.65;padding-right:15px}.contact-banner{padding:31px 20px 22px;border-radius:10px}.contact-banner-main{margin:31px 0 35px;padding:0;display:block}.contact-banner h2{font-size:58px;line-height:1}.contact-circle{width:93px;height:93px;margin-top:28px;margin-left:auto;margin-right:3px;gap:7px}.contact-circle svg{width:28px;height:28px}.contact-circle span{font-size:9px}.contact-bottom{align-items:flex-start;gap:16px;flex-direction:column;font-size:8px;padding-top:21px}.contact-bottom a{font-size:14px}.contact-snow{width:310px;height:310px;bottom:65px;right:-80px}.site-footer{margin-left:-6px;margin-right:-6px;margin-top:6px;padding:35px 26px 25px}.footer-main{flex-wrap:wrap;gap:29px}.footer-main>div:first-child{width:100%}.footer-brand img{width:190px}.footer-main p{font-size:12px;margin-top:14px}.footer-links{gap:20px;font-size:11px;max-width:none}.back-top{width:100%;justify-content:space-between;margin-top:2px}.source-note{font-size:9px;margin-top:27px}.footer-bottom{align-items:flex-start;flex-direction:column;gap:16px;padding-top:20px;font-size:9px}.footer-bottom>div{gap:22px}}
@media(max-width:560px){.nav-island{min-width:0;gap:12px}.menu-toggle{flex-shrink:0}}
@media(max-width:360px){.brand img{width:132px}.nav-island{padding-left:11px;padding-right:11px}}

/* The established Powder Watts palette, with a consistent button silhouette. */
:root { --highlight: #53b9f8; }
.hero h1, .accent-text { color: var(--highlight); }
.button, .button-icon, .round-link, .contact-circle { border-radius: 8px; }
.image-tag, .faq-toggle, .scroll-link span, .back-top span { border-radius: 5px; }
.button:hover .button-icon { transform: none; }
.button-icon svg, .contact-circle svg { transition: transform .35s cubic-bezier(.2,.7,.2,1); }
.button:hover .button-icon svg, .contact-circle:hover svg { transform: translate(2px,-2px); }
.contact-circle:hover { transform: translateY(-4px); }
.button { transition: background .25s, transform .3s, box-shadow .3s; }
.button:hover { box-shadow: 0 8px 24px #001b3520; }
.hero-line, .hero-line > span { display: block; }
.impact-image img { transition: transform 1.1s cubic-bezier(.2,.7,.2,1); }
.impact-image:hover img { transform: scale(1.035); }
.stat-number { font-variant-numeric: tabular-nums; }

/* Editorial direction: neutral surfaces, product-led compositions, restrained blue. */
:root {
  --paper: #f4f3ee;
  --ink: #232c30;
  --muted: #75817f;
  --dark: #192329;
  --line: #d6dad5;
}
.hero h1 { color: #f6f5ee; }
.winter-asterisk { color: var(--highlight); width: 29px; height: 29px; top: 18px; right: -51px; }
.hero-image { filter: saturate(.72); }
.hero-shade { background: linear-gradient(90deg,#111e2770,#111e2710 70%),linear-gradient(0deg,#111d24dc,transparent 52%); }
.nav-island { background: #141c22; height: 54px; min-height: 54px; padding-top: 0; padding-bottom: 0; }
.header-cta { height: 54px; min-height: 54px; min-width: 150px; padding-left: 20px; padding-right: 8px; gap: 16px; font-size: 14px; }
.hero-content { bottom: 148px; }
.hero-description { margin-top: 25px; font-size: 17px; line-height: 1.55; color: #e0e6e5; letter-spacing: -.01em; }
.hero-actions { margin-top: 27px; }
.hero-bottom { align-items: center; }
.hero-principles { display: flex; gap: 38px; margin-left: auto; }
.hero-principles > span { font-size: 13px; white-space: nowrap; }
.hero-principles > span > span { color: #8bb6cf; font-size: 9px; margin-right: 9px; letter-spacing: .04em; }
.hero-index { display: none; }
.roof-marker { right: 10%; top: 49%; }
.marker-caption { border-color: #c7d5dc55; background: #192329a8; }
.trust-strip { justify-content: space-between; padding-top: 28px; padding-bottom: 28px; }
.trust-strip svg { color: #55788b; }

/* An asymmetric story and an inset proof point replace the full-width card row. */
.introduction { grid-template-columns: 1.03fr 1fr; grid-template-rows: min-content 1fr; column-gap: 9%; row-gap: 0; padding-top: 110px; padding-bottom: 110px; align-items: start; }
.introduction > .section-label { grid-column: 1; grid-row: 1; max-width: none; margin-top: 7px; margin-bottom: 26px; }
.intro-main { grid-column: 1; grid-row: 2; align-self: start; }
.intro-main h2 { font-size: clamp(42px,3.9vw,61px); }
.intro-detail { display: block; margin-top: 26px; }
.intro-detail p { max-width: 400px; font-size: 15px; line-height: 1.75; }
.intro-detail .text-link { margin-top: 27px; }
.intro-cards { grid-column: 2; grid-row: 1 / span 2; display: block; position: relative; margin: 0; padding: 0 0 38px 40px; }
.landscape-card { min-height: 0; height: 465px; border-radius: 6px; }
.landscape-card img { object-position: 48% center; filter: saturate(.55); }
.landscape-card .image-tag { top: 20px; bottom: auto; left: 20px; font-size: 8px; }
.stat-card { position: absolute; bottom: 0; left: 0; width: 230px; min-height: 0; padding: 22px 25px 22px; background: #fcfcf9; border-top: 3px solid var(--accent); border-radius: 3px; box-shadow: 0 8px 28px #1f2c3212; gap: 14px; }
.stat-top { font-size: 8px; }
.stat-top svg { width: 18px; height: 18px; color: #0a7cb5; }
.big-stat { font-size: 88px; margin: 0; line-height: 1; }
.stat-bottom p { font-size: 13px; }
.stat-card .round-link { width: 32px; height: 32px; border-color: #bdccd3; }
.stat-card .round-link svg { width: 15px; height: 15px; }

/* A quiet engineering workbench, built around the real camera. */
.technology { background: #e9ece8; color: var(--ink); border-radius: 0; margin: 0 -10px; padding: 76px 54px 30px; }
.dark-panel .section-label { color: #52616a; }
.technology .accent-text { color: var(--muted); }
.technology .section-heading > p { color: #57666c; }
.technology-grid { grid-template-columns: 1.15fr 1fr; gap: 8%; margin-top: 48px; align-items: center; }
.tech-visual { grid-column: 1; grid-row: 1; min-height: 405px; border-radius: 5px; color: #f4f5ef; }
.tech-steps { grid-column: 2; grid-row: 1; }
.tech-step { border-color: #c7d0cd; color: #58676d; padding: 27px 0; }
.tech-step:last-child { border-color: #c7d0cd; }
.tech-step .step-number { color: #53656d; }
.tech-step.active, .tech-step:hover { color: var(--ink); }
.tech-step.active .step-number { color: #096a9b; }
.tech-step.active > svg { color: #0a7cb5; }
.step-description { color: #56656b; }
.tech-visual.is-product { background: #fdfdfb; }
.tech-visual.is-product > img { object-fit: contain; padding: 70px 16px 80px; mix-blend-mode: multiply; }
.tech-visual.is-product .tech-image-shade, .tech-visual.is-product .viewfinder { display: none; }
.tech-visual.is-product .visual-label { background: transparent; border: 0; color: #566871; padding: 0; top: 24px; left: 25px; font-size: 9px; }
.tech-visual.is-product .visual-label svg { color: #0a7cb5; }
.tech-visual.is-product .tech-caption { color: var(--ink); font-size: 17px; border-top: 1px solid #dce1de; padding-top: 18px; }
.tech-visual.is-product .visual-count { color: #607580; }
.system-footer { border-color: #c7d0cd; margin-top: 38px; color: #52626b; }
.system-footer > div { color: #55666f; }

/* The outcomes read as a considered list, rather than another card grid. */
.benefits { display: grid; grid-template-columns: 1fr 1.05fr; grid-template-rows: min-content min-content 1fr; column-gap: 10%; row-gap: 0; padding-top: 100px; padding-bottom: 95px; }
.benefits > .section-label { grid-column: 1; grid-row: 1; align-self: start; margin-top: 8px; }
.benefits .section-heading { grid-column: 1; grid-row: 2; display: block; align-self: start; margin-top: 28px; }
.benefits .section-heading h2 { font-size: clamp(42px,3.9vw,61px); }
.benefits .section-heading > p { margin-top: 26px; max-width: 330px; color: #55656c; }
.benefit-grid { grid-column: 2; grid-row: 1 / span 3; margin-top: 0; display: block; }
.benefit-item { display: grid; grid-template-columns: 69px 1fr; column-gap: 24px; padding: 26px 0; border-top: 1px solid var(--line); }
.benefit-item:last-child { border-bottom: 1px solid var(--line); }
.benefit-top { grid-column: 1; grid-row: 1 / span 2; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 14px; padding-top: 3px; }
.benefit-top svg { width: 26px; height: 26px; color: #0a7cb5; }
.benefit-top > span { font-size: 8px; white-space: nowrap; }
.benefit-item h3 { grid-column: 2; font-size: 26px; margin: 0 0 12px; line-height: 1.15; }
.benefit-item p { grid-column: 2; max-width: 365px; font-size: 14px; line-height: 1.65; }

/* A compact, neutral calculator makes the numbers the focal point. */
.savings-panel { background: #20292e; color: #f4f4ee; margin: 0 44px; padding: 48px 44px; border: 0; border-radius: 6px; gap: 8%; }
.savings-panel .section-label { color: #b2c4cc; }
.savings-panel .tiny-dot { background: #53b9f8; }
.savings-intro h2 { font-size: 38px; }
.savings-intro > p { color: #c1ced2; }
.slider-heading { margin-top: 32px; color: #d4dfe2; }
.slider-heading output { color: #f6f7f3; }
.range-endpoints { color: #b6c5cc; }
.savings-result { padding: 5px 0 5px 35px; border-radius: 0; border-left: 1px solid #536069; background: transparent; }
.savings-result-top { color: #c5d5dd; }
.savings-result-top svg { color: var(--highlight); }
.savings-amount > span:first-child { font-size: 82px; }
.savings-amount > span:last-child, .savings-result > p { color: #bbcbd2; }
.savings-result .fine-print { color: #b5c3ca; }
.comparison-track { background: #52616b; }
.comparison-current { background: #a1b1ba; }
.comparison-smart { background: var(--highlight); }
.savings-intro input::-webkit-slider-thumb { background: #fff; border-color: #53b9f8; box-shadow: none; }
.savings-intro input::-moz-range-thumb { background: #fff; border-color: #53b9f8; }
.impact { grid-template-columns: 1fr 1.1fr; column-gap: 10%; }
.impact-image { grid-column: 2; grid-row: 1; height: 480px; border-radius: 5px; }
.impact-image img { filter: saturate(.6); }
.impact-copy { grid-column: 1; grid-row: 1; }
.impact h2 { font-size: clamp(42px,3.9vw,61px); }
.faq-heading h2 { font-size: 46px; }
.faq-toggle { background: transparent; }
.faq-list details[open] .faq-toggle { background: #dfeef4; border-color: #b8d5e1; color: #0a7cb5; }

/* A typographic closing, with one small and unambiguous action. */
.contact-banner { margin: 0 44px; padding: 48px 0 28px; border-radius: 0; background: transparent; border-top: 1px solid #b6c3c8; }
.contact-banner-main { margin: 32px 0 45px; padding-right: 45px; }
.contact-banner h2 { font-size: clamp(65px,6.3vw,100px); line-height: 1.02; }
.contact-next { max-width: 330px; }
.contact-next > p { font-size: 17px; line-height: 1.6; color: #53656d; }
.contact-next .button { margin-top: 28px; }
.button-ink { color: #f4f4ee; background: #232d34; }
.button-ink .button-icon { color: #003153; }
.button-ink:hover { background: #35444d; }
.contact-bottom { border-color: #d2d9d7; }
.site-footer { margin-top: 30px; background: #192329; }
.footer-main p { color: #bbc7cb; }
.footer-bottom, .source-note { color: #bcc9cd; }

@media(min-width:1650px) {
  .technology { padding-left: 6%; padding-right: 6%; }
  .savings-panel { margin-left: 6%; margin-right: 6%; }
  .contact-banner { margin-left: 6%; margin-right: 6%; }
}
@media(max-width:1100px) {
  .introduction { column-gap: 5%; }
  .intro-main h2 { font-size: 43px; }
  .intro-cards { padding-left: 28px; }
  .landscape-card { height: 460px; }
  .technology { padding-left: 40px; padding-right: 40px; }
  .technology-grid { gap: 5%; }
  .tech-visual { min-height: 385px; }
  .benefits { column-gap: 6%; }
  .benefits .section-heading h2 { font-size: 43px; }
  .benefit-item { grid-template-columns: 58px 1fr; column-gap: 19px; }
  .savings-panel { margin: 0 30px; padding: 38px 30px; gap: 5%; }
  .savings-intro h2 { font-size: 33px; }
  .savings-result { padding-left: 25px; }
  .savings-comparison > div { grid-template-columns: 107px 1fr 35px; gap: 7px; font-size: 9px; }
  .contact-banner { margin: 0 30px; }
  .contact-banner-main { padding-right: 15px; }
  .hero-principles { gap: 24px; }
}
@media(max-width:820px) {
  .nav-island { height: 54px; min-height: 54px; }
  .header-cta { height: 54px; min-height: 54px; min-width: 140px; padding-left: 18px; padding-right: 8px; }
  .mobile-nav { top: 82px; }
  .mobile-nav.open { max-height: calc(100dvh - 110px); }
  .hero-content { bottom: 155px; }
  .hero-description { font-size: 15px; }
  .hero-principles { gap: 20px; }
  .hero-principles > span { font-size: 11px; }
  .hero-principles > span > span { display: block; margin-bottom: 7px; }
  .introduction { display: grid; grid-template-columns: 1fr 1fr; column-gap: 30px; padding-top: 80px; padding-bottom: 80px; }
  .introduction > .section-label { font-size: 8px; line-height: 1.6; }
  .intro-main h2 { font-size: 36px; }
  .intro-detail p { font-size: 13px; }
  .intro-detail .text-link { margin-top: 22px; font-size: 12px; }
  .intro-cards { padding-left: 20px; }
  .landscape-card { height: 475px; }
  .landscape-card .image-tag { font-size: 6px; left: 10px; top: 15px; }
  .stat-card { width: 198px; padding: 20px; gap: 12px; }
  .big-stat { font-size: 79px; }
  .technology { padding: 55px 35px 27px; }
  .technology-grid { gap: 30px; }
  .tech-visual { min-height: 355px; }
  .tech-visual.is-product .tech-caption { font-size: 14px; left: 19px; right: 19px; }
  .tech-visual.is-product .visual-label { font-size: 7px; left: 19px; }
  .step-title { font-size: 20px; }
  .tech-step { padding: 23px 0; }
  .benefits { grid-template-columns: .9fr 1.1fr; gap: 30px; padding-top: 75px; padding-bottom: 75px; }
  .benefits .section-heading { margin-top: 0; }
  .benefits .section-heading h2 { font-size: 37px; }
  .benefit-item { grid-template-columns: 42px 1fr; column-gap: 17px; padding: 23px 0; }
  .benefit-top > span { font-size: 6px; }
  .benefit-item h3 { font-size: 23px; }
  .benefit-item p { font-size: 12px; }
  .savings-panel { margin: 0 25px; padding: 35px; grid-template-columns: 1fr; gap: 34px; }
  .savings-intro h2 { font-size: 39px; }
  .savings-result { border-left: 0; border-top: 1px solid #536069; padding: 30px 0 0; }
  .savings-comparison > div { grid-template-columns: 140px 1fr 40px; font-size: 10px; gap: 12px; }
  .impact { column-gap: 35px; }
  .impact h2 { font-size: 37px; }
  .impact-image { height: 470px; }
  .faq-heading h2 { font-size: 39px; }
  .contact-banner { margin: 0 25px; padding-top: 37px; }
  .contact-banner h2 { font-size: 64px; }
  .contact-next > p { font-size: 14px; }
  .contact-banner-main { padding-right: 0; gap: 30px; }
}
@media(max-width:560px) {
  .nav-island { height: 48px; min-height: 48px; }
  .header-cta { height: 48px; min-height: 48px; min-width: 48px; padding: 7px; gap: 0; font-size: 0; }
  .header-cta .button-icon { width: 34px; height: 34px; }
  .mobile-nav { top: 71px; }
  .mobile-nav.open { max-height: calc(100dvh - 96px); }
  .hero-content { bottom: 144px; }
  .hero h1 { font-size: clamp(60px,15.7vw,85px); }
  .hero-description { font-size: 13px; margin-top: 23px; line-height: 1.6; }
  .hero-actions { margin-top: 23px; gap: 17px; }
  .winter-asterisk { width: 21px; height: 21px; right: -32px; top: 9px; }
  .hero-bottom { bottom: 23px; padding-top: 20px; }
  .hero-bottom .scroll-link { display: none; }
  .hero-principles { width: 100%; margin-left: 0; justify-content: space-between; gap: 10px; }
  .hero-principles > span { font-size: 11px; }
  .hero-principles > span > span { font-size: 8px; margin-bottom: 9px; }
  .trust-strip { justify-content: center; }
  .introduction { display: block; padding: 65px 20px; }
  .introduction > .section-label { margin-bottom: 26px; }
  .intro-main h2 { font-size: 40px; }
  .intro-detail { margin-top: 22px; }
  .intro-detail p { font-size: 14px; }
  .intro-cards { margin-top: 38px; padding: 0 0 38px 26px; }
  .landscape-card { height: 360px; }
  .landscape-card .image-tag { top: 16px; left: 15px; font-size: 7px; }
  .stat-card { width: 199px; gap: 12px; }
  .stat-top { font-size: 7px; }
  .big-stat { font-size: 83px; }
  .stat-bottom p { font-size: 12px; }
  .technology { margin-left: -6px; margin-right: -6px; padding: 43px 26px 24px; }
  .technology .section-heading h2 { font-size: 39px; }
  .technology-grid { display: flex; flex-direction: column; align-items: stretch; gap: 30px; margin-top: 30px; }
  .tech-visual { order: -1; min-height: 300px; }
  .tech-visual.is-product .tech-caption { font-size: 14px; }
  .tech-visual.is-product > img { padding-top: 65px; padding-bottom: 70px; }
  .tech-visual.is-product .visual-label { font-size: 8px; }
  .tech-step { padding: 23px 0; }
  .step-title { font-size: 22px; }
  .step-description { font-size: 13px; }
  .system-footer > div { gap: 13px; }
  .benefits { display: block; padding: 62px 20px; }
  .benefits .section-heading { margin-top: 25px; }
  .benefits .section-heading h2 { font-size: 39px; }
  .benefits .section-heading > p { margin-top: 22px; font-size: 14px; }
  .benefit-grid { margin-top: 32px; }
  .benefit-item { grid-template-columns: 44px 1fr; gap: 0 20px; padding: 24px 0; }
  .benefit-item h3 { font-size: 25px; margin-bottom: 13px; }
  .benefit-item p { font-size: 13px; }
  .benefit-top { gap: 13px; }
  .benefit-top > span { font-size: 6px; }
  .savings-panel { margin: 0 20px; padding: 28px 23px 30px; gap: 27px; }
  .savings-intro h2 { font-size: 33px; margin-top: 24px; }
  .savings-intro .section-label { font-size: 7px; }
  .savings-intro > p { font-size: 13px; }
  .slider-heading { font-size: 10px; }
  .savings-result { padding-top: 27px; }
  .savings-amount > span:first-child { font-size: 69px; }
  .savings-comparison > div { grid-template-columns: 106px 1fr 30px; font-size: 8px; gap: 7px; }
  .impact { display: flex; flex-direction: column; gap: 33px; }
  .impact-copy { order: -1; }
  .impact h2 { font-size: 40px; }
  .impact-image { width: 100%; height: 330px; }
  .faq-heading h2 { font-size: 39px; }
  .contact-banner { margin: 0 20px; padding-top: 33px; }
  .contact-banner-main { display: block; margin-top: 29px; margin-bottom: 35px; }
  .contact-banner h2 { font-size: 54px; }
  .contact-next { margin-top: 26px; }
  .contact-next > p { font-size: 14px; }
  .contact-next .button { margin-top: 23px; }
  .contact-bottom { gap: 18px; }
  .site-footer { margin-top: 20px; }
}