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

:root {
    --ink: #171717;
    --muted: #656565;
    --paper: #fff;
    --wash: #f5f7fa;
    --line: #e4e6e9;
    --blue: #0d63d1;
    --bright-blue: #116dff;
    --deep-blue: #06449c;
    --orange: #e69b67;
    --pale-orange: #fff1e5;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 14px/1.65 'Montserrat', sans-serif; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { min-height: 126px; padding: 10px max(5.5%, calc((100% - 1180px) / 2)); display: grid; grid-template-columns: 180px minmax(240px, 430px) 1fr; align-items: center; gap: 30px; border-bottom: 4px solid var(--blue); background: linear-gradient(90deg, rgba(255,255,255,.18), rgba(255,255,255,.72)), url('/static/images/solar-sunrise.webp') center 53% / cover; }
.brand { width: 160px; height: 92px; display: flex; align-items: center; }
.brand img { width: 100%; height: 100%; object-fit: contain; }
.search { display: flex; height: 44px; border: 1px solid rgba(13,99,209,.35); border-radius: 2px; background: rgba(255,255,255,.94); }
.search input { width: 100%; min-width: 0; padding: 0 14px; border: 0; outline: 0; background: transparent; font-size: 13px; }
.search button { padding: 0 16px; color: white; border: 0; background: var(--blue); font-size: 12px; font-weight: 700; }
.search button:hover { background: var(--deep-blue); }
.cart-link { justify-self: end; padding: 11px 15px; color: var(--blue); border: 1px solid rgba(13,99,209,.45); background: rgba(255,255,255,.94); font-size: 13px; font-weight: 700; }
.cart-count { display: inline-grid; min-width: 23px; height: 23px; margin-left: 5px; place-items: center; border-radius: 50%; color: white; background: var(--blue); font-size: 11px; }
.category-nav { min-height: 48px; padding: 0 max(5.5%, calc((100% - 1180px) / 2)); display: flex; align-items: stretch; gap: 3px; border-bottom: 1px solid var(--line); background: #f8f9fb; overflow-x: auto; }
.category-nav a { flex: 0 0 auto; padding: 11px 18px; color: #355a82; font-size: 12px; font-weight: 600; }
.category-nav a:hover { color: white; background: var(--blue); }
.site-navigation { min-height: 48px; padding: 0 max(5.5%, calc((100% - 1180px) / 2)); display: flex; align-items: stretch; gap: 2px; border-bottom: 1px solid var(--line); background: white; overflow-x: auto; }
.site-navigation a { flex: 0 0 auto; padding: 11px 15px; color: #355a82; font-size: 11px; font-weight: 600; white-space: nowrap; }
.site-navigation a:hover, .site-navigation .nav-shop { color: var(--blue); }
.site-navigation .nav-shop { margin-left: auto; }

.hero { position: relative; overflow: hidden; min-height: 375px; padding: 62px max(8%, calc((100% - 1080px) / 2)); color: white; background: linear-gradient(100deg, rgba(2,63,151,.96), rgba(13,99,209,.84) 62%, rgba(3,60,144,.63)), url('/static/images/solar-sunrise.webp') center / cover; }
.hero:after { position: absolute; right: 7%; bottom: -180px; width: 390px; height: 390px; border: 1px solid rgba(255,255,255,.26); border-radius: 50%; box-shadow: 0 0 0 35px rgba(255,255,255,.07), 0 0 0 78px rgba(255,255,255,.045); content: ''; }
.hero > * { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 10px; color: var(--blue); font-size: 10px; font-weight: 700; letter-spacing: .13em; }
.hero .eyebrow { color: #ffe0c4; }
.hero h1, h1, h2, h3 { font-family: 'Raleway', 'Montserrat', sans-serif; }
.hero h1 { max-width: 760px; margin: 0 0 11px; color: #f4ae7c; font-size: clamp(40px, 6vw, 61px); font-weight: 700; line-height: 1.12; letter-spacing: -.035em; }
.hero > p:not(.eyebrow) { margin: 0 0 25px; color: #fff; font-size: 16px; }
.button { min-height: 45px; padding: 11px 19px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 0; border-radius: 2px; font-size: 12px; font-weight: 700; transition: background .2s, transform .2s; }
.button:hover { transform: translateY(-1px); }
.button-light { color: var(--blue); background: white; }
.button-dark { color: white; background: var(--blue); }
.button-dark:hover { background: var(--deep-blue); }
.button-disabled { color: #777; background: #e9ebee; cursor: not-allowed; }
.button-full { width: 100%; }

.section-wrap { width: min(1120px, 89%); margin: 0 auto; }
.catalog { padding-top: 60px; padding-bottom: 76px; }
.section-heading { margin-bottom: 25px; display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.section-heading h1, .section-heading h2 { margin: 0; color: #1d2732; font-size: 31px; font-weight: 700; letter-spacing: -.035em; }
.result-count { margin: 0 0 5px; color: var(--muted); font-size: 12px; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px 20px; }
.product-card { min-width: 0; border: 1px solid #e8eaed; background: white; transition: box-shadow .2s, transform .2s; }
.product-card:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(23,51,82,.1); }
.product-image { position: relative; height: 235px; display: grid; overflow: hidden; place-items: center; background: linear-gradient(145deg, #f3f5f7, #e8edf2); }
.product-image img, .detail-image img, .cart-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.product-card:hover .product-image img { transform: scale(1.035); }
.image-placeholder { color: rgba(13,99,209,.55); font: 700 16px 'Montserrat', sans-serif; letter-spacing: .06em; }
.stock-badge { position: absolute; top: 12px; left: 12px; padding: 5px 8px; color: #4b2710; background: #f1ad7d; font-size: 9px; font-weight: 700; }
.product-info { padding: 13px 15px 15px; }
.product-category { margin: 0 0 3px; color: #707780; font-size: 10px; }
.product-info h3 { margin: 0 0 10px; overflow: hidden; color: #24292e; font-size: 15px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.product-card-bottom { display: flex; align-items: center; justify-content: space-between; }
.price { margin: 0; color: var(--blue); font-size: 13px; font-weight: 700; }
.quick-add { color: var(--blue); font-size: 11px; font-weight: 700; }
.quick-add span { margin-left: 4px; }
.empty-state { min-height: 280px; padding: 42px 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: var(--wash); }
.empty-icon { color: var(--orange); font-size: 34px; }
.empty-state h3 { margin: 8px 0 3px; font-size: 20px; }
.empty-state p { max-width: 430px; margin: 0 0 17px; color: var(--muted); }
.text-link { padding: 0; color: var(--blue); border: 0; background: none; font-size: 11px; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.text-link:hover, .back-link:hover { color: var(--deep-blue); }
.category-page { min-height: 60vh; }

.back-link { display: inline-block; margin: 0 0 28px; color: #626d78; font-size: 12px; }
.product-detail { padding-top: 36px; padding-bottom: 85px; }
.detail-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 9%; align-items: start; }
.detail-image { min-height: 490px; display: grid; overflow: hidden; place-items: center; background: linear-gradient(145deg, #f3f5f7, #e8edf2); }
.detail-copy { padding-top: 20px; }
.detail-copy h1 { margin: 0 0 10px; color: #1d2732; font-size: clamp(30px, 4vw, 44px); font-weight: 700; line-height: 1.15; letter-spacing: -.035em; }
.detail-price { margin: 0 0 20px; color: var(--blue); font-size: 19px; font-weight: 700; }
.description { margin: 0 0 22px; color: #606870; }
.description p { margin: 0 0 10px; }
.availability { display: flex; align-items: center; gap: 8px; margin: 0 0 16px; color: #397650; font-size: 11px; }
.availability span { width: 7px; height: 7px; border-radius: 50%; background: #6fae77; }
.availability.unavailable { color: #a35839; }
.add-form { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.add-form label { width: 100%; font-size: 11px; font-weight: 600; }
.add-form input, .quantity-form input { width: 64px; height: 45px; padding: 0 8px; border: 1px solid var(--line); border-radius: 2px; background: white; }
.detail-note { margin-top: 24px; padding-top: 15px; display: flex; gap: 10px; color: var(--muted); border-top: 1px solid var(--line); font-size: 10px; }
.detail-note span { color: var(--blue); }

.cart-page, .checkout-page { padding-top: 38px; padding-bottom: 85px; }
.cart-layout, .checkout-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 48px; align-items: start; }
.cart-items { border-top: 1px solid var(--line); }
.cart-item { padding: 20px 0; display: grid; grid-template-columns: 88px minmax(0, 1fr) auto auto; gap: 17px; align-items: center; border-bottom: 1px solid var(--line); }
.cart-thumb { width: 88px; height: 90px; display: grid; overflow: hidden; place-items: center; background: var(--wash); }
.cart-thumb .image-placeholder { font-size: 10px; }
.cart-item-info h2 { margin: 2px 0 6px; font-size: 14px; }
.cart-item-actions { display: grid; gap: 6px; justify-items: start; }
.quantity-form { display: flex; align-items: center; gap: 8px; }
.quantity-form input { width: 58px; height: 33px; }
.remove-link { padding: 0; color: var(--muted); border: 0; background: transparent; font-size: 10px; text-decoration: underline; }
.cart-subtotal { align-self: start; margin: 5px 0; font-size: 13px; font-weight: 700; white-space: nowrap; }
.error-text { margin: 5px 0; color: #a33d32; font-size: 11px; }
.order-summary { padding: 21px; border: 1px solid var(--line); background: #f8f9fb; }
.order-summary > .eyebrow { margin-bottom: 17px; }
.summary-row, .summary-product { padding: 11px 0; display: flex; align-items: start; justify-content: space-between; gap: 15px; border-bottom: 1px solid var(--line); font-size: 12px; }
.summary-product { font-size: 11px; }
.summary-product strong { white-space: nowrap; }
.summary-total { margin: 5px 0 0; border-bottom: 0; font-size: 14px; }
.summary-note { margin: 14px 0 18px; color: var(--muted); font-size: 10px; line-height: 1.55; }
.muted { color: var(--muted); }

.checkout-form h2 { margin: 0 0 19px; font-size: 19px; }
.field { margin-bottom: 15px; }
.field label { display: block; margin-bottom: 5px; font-size: 11px; font-weight: 700; }
.field input, .field textarea { width: 100%; padding: 11px 12px; border: 1px solid #dfe3e8; border-radius: 2px; outline: none; background: white; font-size: 13px; }
.field input:focus, .field textarea:focus, .search:focus-within { border-color: var(--blue); }
.field textarea { resize: vertical; }
.payment-note { margin: 22px 0; padding: 18px; border-left: 3px solid var(--orange); background: var(--pale-orange); }
.payment-note h3 { margin: 0 0 4px; font-size: 15px; }
.payment-note p:last-child { margin: 0; color: #64564e; font-size: 11px; }
.success-state { min-height: 60vh; padding: 65px 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.success-icon { width: 56px; height: 56px; margin-bottom: 19px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--blue); font-size: 24px; }
.success-state h1 { margin: 0 0 9px; color: #1d2732; font-size: 39px; letter-spacing: -.04em; }
.success-state > p:not(.eyebrow) { max-width: 460px; margin: 0 0 22px; color: var(--muted); }

.messages { width: min(1120px, 89%); margin: 17px auto 0; }
.message { padding: 10px 14px; border-left: 3px solid var(--blue); background: #eef5ff; font-size: 12px; }
.message-error { color: #8f3028; border-color: #bc594b; background: #fff2ef; }
.message-info { border-color: #64889b; background: #f0f6f9; }
.site-footer { min-height: 115px; padding: 27px 5.5%; display: flex; align-items: center; justify-content: space-between; border-top: 3px solid var(--blue); background: #f6f7f8; }
.footer-top, .footer-bottom { width: min(1120px, 100%); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.site-footer { padding: 28px max(5.5%, calc((100% - 1180px) / 2)); display: block; }
.brand-footer { width: 150px; height: 82px; flex: 0 0 auto; }
.newsletter-form { width: min(480px, 65%); }
.newsletter-form > label { display: block; margin-bottom: 8px; color: var(--ink); font-size: 12px; font-weight: 700; letter-spacing: .1em; }
.newsletter-input { height: 42px; display: flex; border: 1px solid #d5d9de; background: white; }
.newsletter-input input { min-width: 0; flex: 1; padding: 0 12px; border: 0; outline: 0; font-size: 12px; }
.newsletter-input button { padding: 0 16px; color: white; border: 0; background: var(--blue); font-size: 11px; font-weight: 700; }
.newsletter-input button:hover { background: var(--deep-blue); }
.footer-bottom { margin-top: 22px; padding-top: 17px; align-items: start; border-top: 1px solid var(--line); }
.footer-tagline { margin: 7px 0 0; color: #59636d; font-size: 9px; font-weight: 600; letter-spacing: .09em; }
.office-list { display: flex; flex-wrap: wrap; justify-content: end; gap: 20px; color: #384653; font-size: 10px; font-weight: 600; }
.office-list span { display: grid; gap: 3px; }
.office-list small { color: var(--muted); font-size: 9px; font-weight: 400; }

.content-width { width: min(1120px, 89%); margin-right: auto; margin-left: auto; }
.brand-hero { position: relative; min-height: 390px; padding: 65px max(8%, calc((100% - 1080px) / 2)); display: flex; align-items: center; overflow: hidden; color: white; background: var(--deep-blue); }
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.brand-hero:after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,52,119,.91), rgba(13,99,209,.76) 58%, rgba(8,68,153,.35)); content: ''; }
.brand-hero-copy { position: relative; z-index: 1; width: min(790px, 100%); }
.brand-hero-copy .eyebrow { color: #ffe0c4; }
.origin-mark { position: absolute; z-index: 2; top: 24px; right: max(6%, calc((100% - 1120px) / 2)); width: 150px; height: 112px; object-fit: cover; border: 2px solid rgba(255,255,255,.9); box-shadow: 0 5px 18px rgba(0,0,0,.2); }
.brand-hero-copy h1 { margin: 0 0 13px; color: #f2ad7c; font-size: clamp(36px, 5.5vw, 58px); line-height: 1.12; letter-spacing: -.035em; }
.brand-hero-copy .hero-statement { margin: 0 0 18px; color: white; font-family: 'Raleway', sans-serif; font-size: clamp(17px, 2.4vw, 25px); line-height: 1.45; }
.brand-hero-copy > p:not(.eyebrow):not(.hero-statement) { max-width: 700px; color: #f0f3f6; }
.story-section { padding-top: 72px; padding-bottom: 72px; display: grid; grid-template-columns: 1fr .95fr; align-items: center; gap: 58px; }
.story-copy h2, .freedom-section h2, .system-benefits h3, .water-solutions h2, .quality-section h2, .guide-conclusion h2 { margin: 0 0 16px; color: #1d2732; font-size: clamp(26px, 3.5vw, 36px); line-height: 1.2; }
.story-copy > p:not(.eyebrow) { color: #545d65; }
.story-image { margin: 0; }
.story-image img { width: 100%; max-height: 400px; object-fit: cover; }
.freedom-section { padding: 65px 0 73px; background: #f5f7fa; }
.freedom-section h2 { max-width: 760px; }
.freedom-lead { max-width: 850px; color: #525c66; }
.benefit-grid { margin-top: 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.benefit-grid article { min-height: 164px; padding: 19px; border: 1px solid #e4e6e9; background: white; }
.benefit-grid article > span { color: var(--orange); font-size: 11px; font-weight: 700; }
.benefit-grid h3 { margin: 6px 0; color: #203047; font-size: 16px; }
.benefit-grid p { margin: 0; color: #646d76; font-size: 12px; }
.price-banner { position: relative; min-height: 260px; margin: 0; padding: 55px 8%; display: flex; align-items: center; overflow: hidden; color: white; background: var(--deep-blue); }
.price-banner:after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,52,119,.92), rgba(5,72,160,.66)); content: ''; }
.price-banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.price-banner > div { position: relative; z-index: 1; width: min(1120px, 100%); margin: 0 auto; }
.price-banner h2 { margin: 0; color: #f3ae7d; font-size: clamp(25px, 4vw, 40px); }
.safety-note { padding-top: 70px; padding-bottom: 70px; display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 45px; }
.safety-note > img { width: 100%; max-height: 300px; object-fit: cover; }
.safety-note h2 { margin: 0 0 10px; font-size: 26px; }
.safety-note > div > p:not(.eyebrow) { color: #59636d; }
.system-teasers { padding-bottom: 75px; }
.teaser-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.teaser-card { border: 1px solid var(--line); }
.teaser-card > img { width: 100%; height: 245px; object-fit: cover; background: var(--wash); }
.teaser-card > div { padding: 19px; }
.teaser-card h3 { margin: 0 0 9px; font-size: 18px; }
.teaser-card > div > p:not(.eyebrow) { margin: 0; color: #59636d; font-size: 12px; }
.system-benefits { margin-top: 28px; padding: 28px; background: #f5f7fa; }
.system-benefits h3 { font-size: 23px; }
.system-benefits ul, .check-list, .technology-list { padding-left: 20px; color: #505a63; }
.system-benefits li, .check-list li, .technology-list li { margin: 8px 0; }
.preorder-banner { padding: 15px 6%; color: #372215; background: #f1ad7d; text-align: center; font-size: 14px; font-weight: 600; }
.preorder-banner span { margin-right: 10px; color: #874411; font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.systems-catalog { padding-top: 58px; padding-bottom: 80px; }
.systems-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.system-card { overflow: hidden; border: 1px solid var(--line); background: white; }
.system-card > img { width: 100%; height: 255px; display: block; object-fit: cover; background: var(--wash); }
.system-card-copy { padding: 20px; }
.system-card-copy h3 { margin: 0; font-size: 18px; }
.system-card-copy h4 { margin: 2px 0 12px; color: var(--blue); font-size: 13px; }
.system-card-copy ul { padding-left: 18px; color: #545d65; font-size: 12px; }
.system-card-copy li { margin: 7px 0; }
.water-intro { padding-top: 66px; padding-bottom: 66px; display: grid; grid-template-columns: 1fr .75fr; align-items: center; gap: 55px; }
.water-intro > div > p, .water-intro li { color: #515c65; }
.water-intro > img { width: 100%; max-height: 390px; object-fit: cover; }
.water-intro h2 { margin: 23px 0 10px; font-size: 18px; }
.check-list { list-style: none; padding: 0; }
.check-list li:before { margin-right: 9px; color: var(--blue); content: '✓'; font-weight: 700; }
.water-solutions { padding: 65px 0 75px; background: #f5f7fa; }
.water-card-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.water-card { border: 1px solid var(--line); background: white; }
.water-card img { width: 100%; height: 205px; object-fit: cover; background: var(--wash); }
.water-card > div { padding: 17px; }
.water-card h3 { margin: 0 0 9px; font-size: 17px; }
.water-card p { color: #59636d; font-size: 12px; }
.water-technology { padding-top: 72px; padding-bottom: 72px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 45px; }
.water-technology figure { margin: 0; }
.water-technology figure img { width: 100%; max-height: 420px; object-fit: cover; }
.water-technology p, .technology-list { color: #59636d; }
.technology-list strong { color: #243444; }
.quality-section { padding: 62px 0 68px; background: #f5f7fa; }
.quality-section > div > p:not(.eyebrow) { max-width: 820px; color: #545e68; }
.quality-section .button { margin-top: 12px; }
.guide-article { max-width: 900px; padding-top: 65px; padding-bottom: 80px; }
.guide-intro { margin-bottom: 35px; color: #525d67; font-size: 14px; }
.guide-section { padding: 27px 0; display: grid; grid-template-columns: 52px 1fr; gap: 18px; border-top: 1px solid var(--line); }
.guide-number { color: var(--orange); font: 700 24px 'Raleway', sans-serif; }
.guide-section h2 { margin: 0 0 12px; color: #1d2732; font-size: 21px; line-height: 1.35; }
.guide-section h3 { margin: 18px 0 6px; font-size: 15px; }
.guide-section p, .guide-section li { color: #545e67; font-size: 13px; }
.guide-section ul { padding-left: 19px; }
.guide-conclusion { margin-top: 18px; padding: 28px; border-left: 4px solid var(--orange); background: #f5f7fa; }
.guide-conclusion h2 { font-size: 23px; }
.guide-conclusion p { color: #525d67; font-size: 13px; }

@media (max-width: 900px) {
    .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .product-image { height: 220px; }
    .detail-grid { gap: 5%; }
    .detail-image { min-height: 410px; }
    .cart-layout, .checkout-layout { grid-template-columns: minmax(0, 1fr) 280px; gap: 25px; }
    .cart-item { grid-template-columns: 72px minmax(0, 1fr) auto; gap: 12px; }
    .cart-thumb { width: 72px; height: 78px; }
    .cart-subtotal { grid-column: 2 / -1; justify-self: end; }
}
@media (max-width: 640px) {
    .site-header { min-height: 103px; padding: 8px 5%; grid-template-columns: 116px 1fr auto; gap: 10px; }
    .brand { width: 112px; height: 65px; grid-column: 1; grid-row: 1; }
    .search { height: 39px; grid-column: 1 / 3; grid-row: 2; }
    .cart-link { grid-column: 3; grid-row: 1; padding: 8px 10px; font-size: 11px; }
    .category-nav { min-height: 44px; padding: 0 3%; }
    .category-nav a { padding: 10px 13px; font-size: 11px; }
    .site-navigation { min-height: 43px; padding: 0 2%; }
    .site-navigation a { padding: 10px 12px; font-size: 10px; }
    .hero { min-height: 330px; padding: 50px 7%; }
    .hero:after { right: -210px; }
    .hero > p:not(.eyebrow) { font-size: 14px; }
    .section-wrap { width: 90%; }
    .catalog { padding-top: 44px; padding-bottom: 55px; }
    .section-heading h1, .section-heading h2 { font-size: 25px; }
    .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 11px; }
    .product-image { height: clamp(150px, 48vw, 220px); }
    .product-info { padding: 11px 10px 13px; }
    .product-info h3 { font-size: 13px; }
    .product-card-bottom { align-items: start; flex-direction: column; gap: 6px; }
    .detail-grid { grid-template-columns: 1fr; gap: 19px; }
    .detail-image { min-height: 350px; max-height: 460px; }
    .detail-copy { padding-top: 0; }
    .product-detail { padding-bottom: 52px; }
    .cart-layout, .checkout-layout { grid-template-columns: 1fr; gap: 24px; }
    .cart-item { grid-template-columns: 63px minmax(0, 1fr) auto; gap: 9px; }
    .cart-thumb { width: 63px; height: 70px; }
    .cart-item-info h2 { font-size: 12px; }
    .cart-item-actions { font-size: 10px; }
    .cart-page, .checkout-page { padding-top: 27px; padding-bottom: 52px; }
    .site-footer { min-height: 95px; padding: 20px 5%; }
    .brand-footer { width: 118px; height: 64px; }
    .footer-top, .footer-bottom { align-items: flex-start; flex-direction: column; gap: 17px; }
    .newsletter-form { width: 100%; }
    .footer-bottom { margin-top: 18px; }
    .office-list { justify-content: start; gap: 12px 18px; }
    .footer-tagline { margin-top: 0; }
    .brand-hero { min-height: 360px; padding: 47px 7%; }
    .brand-hero-copy h1 { font-size: clamp(33px, 9vw, 48px); }
    .origin-mark { top: 12px; right: 12px; width: 92px; height: 65px; }
    .story-section, .safety-note, .water-intro, .water-technology { grid-template-columns: 1fr; gap: 22px; }
    .story-section { padding-top: 48px; padding-bottom: 48px; }
    .story-image img { max-height: 300px; }
    .freedom-section, .water-solutions { padding: 48px 0 54px; }
    .benefit-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .benefit-grid article { min-height: 150px; padding: 14px; }
    .price-banner { min-height: 210px; padding: 42px 6%; }
    .safety-note { padding-top: 48px; padding-bottom: 48px; }
    .teaser-grid, .systems-grid, .water-card-grid { grid-template-columns: 1fr; }
    .teaser-card > img, .system-card > img { height: 220px; }
    .system-teasers { padding-bottom: 52px; }
    .systems-catalog { padding-top: 45px; padding-bottom: 55px; }
    .water-intro { padding-top: 46px; padding-bottom: 46px; }
    .water-intro > img { max-height: 310px; }
    .water-technology { padding-top: 48px; padding-bottom: 48px; }
    .water-technology figure { grid-row: 1; }
    .quality-section { padding: 48px 0 52px; }
    .guide-article { padding-top: 45px; padding-bottom: 54px; }
    .guide-section { grid-template-columns: 35px 1fr; gap: 10px; }
    .guide-section h2 { font-size: 18px; }
    .guide-conclusion { padding: 20px; }
}