:root {
  --orange: #ed7020;
  --orange-dark: #c95712;
  --orange-pale: #fff1e7;
  --ink: #122019;
  --ink-2: #23342c;
  --muted: #637168;
  --line: #dfe5e1;
  --paper: #f7f6f1;
  --white: #fff;
  --shadow: 0 28px 80px rgba(22, 39, 31, .12);
  --radius: 24px;
  --header-height: 82px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: calc(var(--header-height) + 24px); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "DM Sans", sans-serif; -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
svg { display: block; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 999; top: 10px; left: 10px; transform: translateY(-160%); padding: 10px 14px; background: white; color: #111; border-radius: 8px; }
.skip-link:focus { transform: none; }

.site-header { position: fixed; z-index: 50; top: 0; left: 0; width: 100%; color: #fff; transition: background .25s, box-shadow .25s; }
.site-header.scrolled { background: rgba(14, 23, 19, .94); box-shadow: 0 10px 30px rgba(0,0,0,.15); backdrop-filter: blur(14px); }
.nav-wrap { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-logo { display: block; max-width: 100%; width: auto; height: 50px; object-fit: contain; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; color: var(--orange); }
.brand-mark svg { width: 42px; height: 42px; }
.brand-copy { display: grid; line-height: 1; }
.brand-copy strong { font-family: Manrope, sans-serif; font-size: 17px; letter-spacing: -.02em; }
.brand-copy small { margin-top: 5px; color: #aebbb4; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .19em; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 600; }
.site-nav > a { color: #d6ded9; transition: color .2s; }
.site-nav > a:hover { color: #fff; }
.nav-products { position: relative; }
.nav-products summary { display: flex; align-items: center; gap: 7px; color: #d6ded9; cursor: pointer; list-style: none; }
.nav-products summary::-webkit-details-marker { display: none; }
.nav-products summary:hover, .nav-products[open] summary { color: #fff; }
.nav-product-links { position: absolute; top: calc(100% + 18px); left: -18px; width: 240px; padding: 10px; border: 1px solid rgba(255,255,255,.14); border-radius: 12px; background: #14231b; box-shadow: 0 16px 35px rgba(0,0,0,.25); }
.nav-product-links a { display: block; padding: 12px; border-radius: 7px; color: #d6ded9; }
.nav-product-links a:hover, .nav-product-links a[aria-current="page"] { color: #fff; background: #304438; }
.site-nav .nav-cta { color: #fff; }
.site-nav :focus-visible, .footer-links a:focus-visible, .product-guide-card:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; background: transparent; padding: 12px; }
.menu-button span { display: block; height: 2px; margin: 4px 0; border-radius: 2px; background: #fff; }

.button { border: 0; border-radius: 10px; padding: 14px 20px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; font-weight: 700; line-height: 1; cursor: pointer; transition: transform .2s, background .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--orange); box-shadow: 0 10px 28px rgba(237, 112, 32, .25); }
.button-primary:hover { background: #ff7c29; box-shadow: 0 14px 32px rgba(237, 112, 32, .32); }
.button-ghost { color: #fff; border: 1px solid rgba(255,255,255,.27); background: rgba(255,255,255,.06); backdrop-filter: blur(8px); }
.button-ghost:hover { background: rgba(255,255,255,.12); }
.button-ghost svg { width: 19px; fill: currentColor; }
.button-white { color: var(--ink); background: #fff; }
.button-dark { color: #fff; background: var(--ink); }
.button-large { min-height: 54px; padding-inline: 23px; }
.button-small { min-height: 42px; padding: 12px 17px; }
.button-block { width: 100%; min-height: 52px; }

.section-dark { color: #fff; background: #0f1713; }
.hero { position: relative; min-height: 820px; padding: 158px 0 0; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,23,19,.98) 0%, rgba(15,23,19,.82) 48%, rgba(15,23,19,.15) 100%), radial-gradient(circle at 75% 25%, rgba(237,112,32,.12), transparent 28%); }
.hero::after { content: ""; position: absolute; inset: 0; opacity: .14; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 60px 60px; mask-image: linear-gradient(to right, transparent 0, black 60%, black 100%); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 40px; }
.hero-copy { padding-bottom: 86px; }
.eyebrow { margin: 0 0 20px; display: flex; align-items: center; gap: 10px; color: #b6c2bc; font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .18em; }
.eyebrow > span { width: 24px; height: 2px; background: var(--orange); }
.eyebrow.orange { color: var(--orange-dark); }
.eyebrow.light { color: #ffd7be; }
.eyebrow.light > span { background: #fff; }
h1, h2, h3 { margin-top: 0; font-family: Manrope, sans-serif; }
h1 { margin-bottom: 24px; max-width: 700px; font-size: clamp(48px, 5.7vw, 78px); line-height: .99; letter-spacing: -.055em; }
h1 em { color: var(--orange); font-style: normal; }
.hero-lede { max-width: 600px; margin: 0 0 31px; color: #c7d1cc; font-size: 18px; line-height: 1.66; }
.hero-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.trust-row { display: flex; gap: 27px; margin-top: 38px; }
.trust-row > div { display: flex; align-items: flex-start; gap: 9px; }
.trust-row .check { width: 22px; height: 22px; flex: 0 0 22px; display: grid; place-items: center; margin-top: 1px; border: 1px solid rgba(237,112,32,.55); border-radius: 50%; color: var(--orange); font-size: 11px; }
.trust-row p { margin: 0; display: grid; gap: 3px; }
.trust-row strong { font-size: 12px; }
.trust-row small { color: #77877f; font-size: 10px; }
.hero-glow { position: absolute; z-index: 1; border-radius: 50%; filter: blur(90px); }
.hero-glow-one { top: 90px; right: 5%; width: 330px; height: 330px; background: rgba(237,112,32,.16); }
.hero-glow-two { bottom: 40px; right: 28%; width: 240px; height: 240px; background: rgba(45,128,100,.16); }
.hero-visual { position: relative; min-height: 540px; align-self: end; }
.hero-photo { position: absolute; z-index: 2; inset: 22px -85px 42px 0; width: calc(100% + 85px); height: calc(100% - 64px); object-fit: cover; object-position: 66% center; border: 1px solid rgba(255,255,255,.12); border-radius: 180px 20px 20px 20px; box-shadow: 0 30px 70px rgba(0,0,0,.4); }
.hero-visual::after { content: ""; position: absolute; z-index: 3; inset: 22px -85px 42px 0; border-radius: 180px 20px 20px 20px; background: linear-gradient(100deg, rgba(14,23,19,.45), transparent 50%); pointer-events: none; }
.orbit { position: absolute; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; }
.orbit-one { width: 420px; height: 420px; right: -30px; bottom: 100px; }
.orbit-two { width: 300px; height: 300px; right: 30px; bottom: 160px; }
.power-card { position: absolute; z-index: 4; left: 2px; bottom: 56px; min-width: 310px; padding: 14px 15px; display: flex; align-items: center; gap: 12px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: rgba(24,37,31,.88); box-shadow: 0 20px 50px rgba(0,0,0,.34); backdrop-filter: blur(14px); }
.power-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; color: #fff; background: var(--orange); }
.power-icon svg { width: 21px; fill: currentColor; }
.power-card div { display: grid; flex: 1; gap: 4px; }
.power-card small { color: #82928a; font-size: 9px; text-transform: uppercase; letter-spacing: .12em; }
.power-card strong { font-size: 12px; }
.live-dot { display: flex; align-items: center; gap: 5px; color: #8fd5ad; font-size: 10px; font-weight: 700; }
.live-dot::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #62d695; box-shadow: 0 0 0 5px rgba(98,214,149,.12); }
.proof-strip { position: relative; z-index: 3; min-height: 76px; padding: 0 22px; display: flex; align-items: center; gap: 26px; border-top: 1px solid rgba(255,255,255,.12); color: #c2cdc7; }
.proof-strip > span { color: #66766e; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .16em; }
.proof-strip strong { font-family: Manrope, sans-serif; font-size: 13px; }
.proof-strip i { width: 3px; height: 3px; border-radius: 50%; background: var(--orange); }
.proof-strip p { margin-left: auto; color: #8c9a93; font-size: 11px; }
.proof-strip p span { color: var(--orange); }

.selector-section { padding: 114px 0; background: #f7f6f1; }
.section-heading h2 { margin-bottom: 17px; color: var(--ink); font-size: clamp(34px, 4vw, 51px); line-height: 1.08; letter-spacing: -.045em; }
.section-heading > p:last-child { color: var(--muted); font-size: 16px; line-height: 1.7; }
.section-heading.centered { max-width: 700px; margin: 0 auto 49px; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.selector-shell { overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: var(--shadow); }
.selector-progress { min-height: 70px; padding: 0 48px; display: flex; align-items: center; justify-content: center; gap: 14px; border-bottom: 1px solid #e7ebe8; background: #fbfcfa; }
.selector-progress span { display: flex; align-items: center; gap: 8px; color: #79867f; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.selector-progress b { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--orange); font-size: 10px; }
.selector-progress i { width: 55px; height: 1px; background: #ccd4cf; }
.selector-grid { display: grid; grid-template-columns: 1.2fr .8fr; }
.selector-form { padding: 42px 45px 46px; }
fieldset { min-width: 0; margin: 0 0 33px; padding: 0; border: 0; }
fieldset:last-child { margin-bottom: 0; }
legend { margin-bottom: 15px; color: var(--ink); font-family: Manrope, sans-serif; font-size: 14px; font-weight: 800; }
.choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.choice-card { min-width: 0; padding: 16px; display: flex; align-items: center; gap: 12px; border: 1px solid #dce3df; border-radius: 12px; color: var(--ink); background: #fff; text-align: left; cursor: pointer; transition: border .2s, background .2s, transform .2s; }
.choice-card:hover { transform: translateY(-2px); border-color: #aab8b0; }
.choice-card.active { border-color: var(--orange); background: var(--orange-pale); box-shadow: 0 0 0 1px var(--orange); }
.choice-card svg { width: 24px; flex: 0 0 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.choice-card.active svg { color: var(--orange); }
.choice-card > span { min-width: 0; display: grid; flex: 1; gap: 4px; }
.choice-card strong { font-size: 13px; }
.choice-card small { overflow: hidden; color: #77847d; font-size: 10px; white-space: nowrap; text-overflow: ellipsis; }
.choice-card > i { width: 14px; height: 14px; flex: 0 0 14px; border: 1.5px solid #b8c2bc; border-radius: 50%; }
.choice-card.active > i { border: 4px solid var(--orange); background: #fff; }
.need-list { display: grid; gap: 8px; }
.need-option { width: 100%; padding: 14px 15px; display: flex; align-items: center; gap: 13px; border: 1px solid #dce3df; border-radius: 10px; color: var(--ink); background: #fff; text-align: left; cursor: pointer; transition: border .2s, background .2s; }
.need-option.active { border-color: var(--orange); background: #fff8f3; }
.radio-dot { width: 15px; height: 15px; flex: 0 0 15px; border: 1.5px solid #b9c3bd; border-radius: 50%; }
.need-option.active .radio-dot { border: 4px solid var(--orange); background: #fff; }
.need-option > span:nth-child(2) { display: grid; flex: 1; gap: 3px; }
.need-option strong { font-size: 13px; }
.need-option small { color: #718078; font-size: 10px; }
.need-option b { padding: 5px 8px; border-radius: 20px; color: #617067; background: #eef2ef; font-size: 8px; text-transform: uppercase; letter-spacing: .08em; }
.need-option.active b { color: var(--orange-dark); background: #ffe7d6; }
.legend-row { display: flex; align-items: center; justify-content: space-between; }
.legend-row legend { margin: 0; }
.legend-row output { padding: 7px 10px; border-radius: 7px; color: var(--orange-dark); background: var(--orange-pale); font-size: 11px; font-weight: 800; }
input[type="range"] { width: 100%; margin: 20px 0 8px; accent-color: var(--orange); cursor: pointer; }
.range-labels { display: flex; justify-content: space-between; color: #87928c; font-size: 9px; }
.recommendation { padding: 42px 38px; color: #fff; background: var(--ink); }
.rec-topline { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.rec-topline > span { display: flex; align-items: center; gap: 8px; color: #ffd7bd; font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.rec-topline i { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px rgba(237,112,32,.13); }
.rec-topline small { padding: 5px 7px; border: 1px solid rgba(255,255,255,.12); border-radius: 5px; color: #829087; font-size: 8px; }
.rec-for { margin: 29px 0 6px; color: #8f9c95; font-size: 11px; }
.recommendation h3 { margin-bottom: 10px; font-size: 30px; line-height: 1.15; letter-spacing: -.04em; }
.rec-description { min-height: 42px; margin: 0 0 25px; color: #aebbb4; font-size: 12px; line-height: 1.65; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; overflow: hidden; margin-bottom: 20px; border: 1px solid rgba(255,255,255,.09); border-radius: 10px; background: rgba(255,255,255,.09); }
.spec-grid div { padding: 15px; display: grid; gap: 5px; background: #18271f; }
.spec-grid span { color: #728078; font-size: 8px; text-transform: uppercase; letter-spacing: .11em; }
.spec-grid strong { font-family: Manrope, sans-serif; font-size: 17px; }
.coverage { margin-bottom: 22px; padding: 15px; border-left: 2px solid var(--orange); background: rgba(255,255,255,.04); }
.coverage strong { display: block; margin-bottom: 5px; color: #d8e0dc; font-size: 10px; }
.coverage p { margin: 0; color: #8f9d95; font-size: 10px; line-height: 1.55; }
.text-button, .card-link { border: 0; color: inherit; background: none; cursor: pointer; }
.text-button { width: 100%; margin: 12px 0 0; color: #c1ccc6; font-size: 10px; text-decoration: underline; text-underline-offset: 4px; }
.rec-note { margin: 17px 0 0; display: flex; align-items: flex-start; gap: 7px; color: #6f7e76; font-size: 8px; line-height: 1.5; }
.rec-note svg { width: 13px; flex: 0 0 13px; fill: none; stroke: currentColor; stroke-width: 1.6; }

.solutions-section { padding: 110px 0 0; background: #fff; }
.section-heading.split { margin-bottom: 45px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 70px; }
.section-heading.split h2 { max-width: 690px; margin-bottom: 0; }
.section-heading.split > p { margin: 0 0 5px; }
.solution-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.solution-card { position: relative; min-height: 410px; padding: 31px; display: flex; flex-direction: column; border: 1px solid #e0e6e2; border-radius: 18px; background: #fbfbf8; transition: transform .25s, box-shadow .25s; }
.solution-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(20,39,30,.09); }
.solution-card.featured { color: #fff; border-color: var(--ink); background: var(--ink); }
.card-number { position: absolute; top: 25px; right: 28px; color: #aab5af; font-family: Manrope, sans-serif; font-size: 10px; font-weight: 800; }
.featured .card-number { color: #617068; }
.card-icon { width: 48px; height: 48px; margin-bottom: 31px; display: grid; place-items: center; border-radius: 12px; color: var(--orange); background: var(--orange-pale); }
.card-icon svg { width: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linejoin: round; }
.solution-card h3 { margin-bottom: 10px; font-size: 21px; }
.solution-card > p { margin: 0 0 20px; color: #68766e; font-size: 13px; line-height: 1.65; }
.featured > p { color: #9eaca5; }
.solution-card ul { margin: 0 0 26px; padding: 0; list-style: none; }
.solution-card li { padding: 7px 0; display: flex; gap: 8px; color: #516158; font-size: 11px; }
.featured li { color: #c0cbc5; }
.solution-card li::before { content: "✓"; color: var(--orange); font-weight: 800; }
.solution-card > a, .card-link { margin-top: auto; align-self: flex-start; padding: 0; color: var(--orange-dark); font-size: 11px; font-weight: 800; }
.featured > a { color: #ff9858; }
.solution-card > a span, .card-link span { margin-left: 8px; }

.product-band { margin-top: 105px; padding: 70px; display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 70px; border-radius: 28px; background: var(--paper); }
.product-copy h2 { margin-bottom: 18px; font-size: 39px; line-height: 1.1; letter-spacing: -.04em; }
.product-copy > p:not(.eyebrow) { margin: 0 0 27px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.product-stack { display: grid; gap: 10px; }
.product-tile { min-height: 125px; padding: 18px 20px; display: grid; grid-template-columns: 106px 1fr; align-items: center; gap: 22px; border: 1px solid #e1e6e3; border-radius: 16px; background: #fff; box-shadow: 0 12px 32px rgba(32,51,41,.05); }
.product-tile small { color: var(--orange-dark); font-size: 8px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.product-tile h3 { margin: 5px 0 5px; font-size: 17px; }
.product-tile p { margin: 0; color: #718078; font-size: 10px; }
.product-art { position: relative; width: 84px; height: 84px; margin: auto; }
.inverter-art { border-radius: 11px; background: linear-gradient(145deg,#fff,#d6dad7); box-shadow: 0 10px 16px rgba(20,30,24,.16), inset -3px -3px 8px rgba(0,0,0,.06); }
.inverter-art .screen { position: absolute; top: 16px; left: 26px; width: 32px; height: 18px; display: grid; place-items: center; border-radius: 3px; color: #7bdfad; background: #183127; font: 7px monospace; }
.inverter-art i { position: absolute; bottom: 15px; width: 5px; height: 5px; border-radius: 50%; background: #839088; }
.inverter-art i:nth-of-type(1){left:27px;background:#55c57f}.inverter-art i:nth-of-type(2){left:40px}.inverter-art i:nth-of-type(3){left:53px}
.battery-art { border-radius: 10px; background: linear-gradient(145deg,#293832,#101b16); box-shadow: 0 12px 20px rgba(20,30,24,.2); }
.battery-art span { position: absolute; top: 11px; left: 12px; width: 44px; height: 3px; background: var(--orange); }
.battery-art i { position: absolute; left: 12px; right: 12px; height: 1px; background: #415149; }
.battery-art i:nth-of-type(1){top:34px}.battery-art i:nth-of-type(2){top:48px}.battery-art i:nth-of-type(3){top:62px}
.panel-art { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; padding: 7px; transform: skewY(-7deg); border: 3px solid #768b91; border-radius: 3px; background: #81969c; box-shadow: 6px 11px 17px rgba(20,30,24,.17); }
.panel-art span { background: linear-gradient(135deg,#214355,#0d2734); }
.panel-art i { position: absolute; left: 14px; right: 10px; bottom: -8px; height: 7px; border-bottom: 3px solid #676e6a; border-left: 3px solid #676e6a; }

/* Product range links and catalogue share the homepage palette and artwork. */
a.product-tile { transition: transform .2s, border-color .2s, box-shadow .2s; }
a.product-tile:hover { transform: translateX(4px); border-color: var(--orange); box-shadow: 0 12px 32px rgba(32,51,41,.1); }
a.product-tile:focus-visible, .product-filter:focus-visible, .products-page a:focus-visible, .products-page button:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.product-tile h3 { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.tile-arrow { color: var(--orange-dark); font-size: 20px; }
.site-nav > a[aria-current="page"] { color: #ff9858; }
.catalog-hero { position: relative; overflow: hidden; padding: 118px 0 0; }
.catalog-hero-inner { position: relative; z-index: 2; }
.breadcrumbs { display: flex; align-items: center; gap: 13px; margin-bottom: 37px; color: #aebbb4; font-size: 12px; }
.breadcrumbs a:hover { color: #fff; }
.breadcrumbs > span[aria-hidden] { color: #52645a; }
.breadcrumbs [aria-current] { color: #e5ebe7; }
.catalog-hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; align-items: center; gap: 65px; padding-bottom: 47px; }
.catalog-hero h1 { font-size: clamp(42px, 4.4vw, 62px); line-height: 1.06; }
.catalog-hero .hero-lede { max-width: 610px; margin-bottom: 25px; font-size: 16px; }
.catalog-system { padding: 28px 30px; border: 1px solid #344037; border-radius: 22px; background: linear-gradient(145deg, #213028, #16231b); box-shadow: 0 24px 60px rgba(0,0,0,.16); }
.catalog-system-label { display: flex; align-items: center; gap: 8px; margin: 0; color: #d0dbd4; font-size: 10px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.catalog-system-label > span { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }
.catalog-system-art { display: flex; align-items: center; gap: 10px; padding: 32px 0; }
.catalog-system-art .product-art { flex: 0 0 84px; }
.system-connector { flex: 1; min-width: 10px; border-top: 1px dashed #89967f; }
.catalog-system h2 { margin-bottom: 9px; font-size: 25px; letter-spacing: -.04em; }
.catalog-system > p:not(.catalog-system-label) { margin: 0 0 20px; color: #aebbb4; font-size: 13px; line-height: 1.65; }
.catalog-system > a { display: inline-flex; align-items: center; gap: 16px; color: #ff9858; font-size: 12px; font-weight: 700; }
.catalog-highlights { display: flex; align-items: center; flex-wrap: wrap; gap: 18px 44px; padding: 23px 0; border-top: 1px solid rgba(255,255,255,.12); }
.catalog-highlights > span { display: flex; align-items: center; gap: 9px; color: #bdc9c1; font-size: 12px; }
.catalog-highlights i { color: var(--orange); font-style: normal; }
.catalog-section { padding: 72px 0 84px; scroll-margin-top: 98px; }
.catalog-heading { margin-bottom: 30px; }
.catalog-heading h2 { font-size: clamp(32px, 3.5vw, 44px); }
.catalog-heading > p:last-child { max-width: 400px; font-size: 14px; }
.catalog-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 26px; padding-bottom: 23px; border-bottom: 1px solid var(--line); }
.product-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.product-filters[hidden], .catalog-card[hidden] { display: none; }
.product-filter { min-height: 44px; padding: 12px 18px; border: 1px solid #d8e0da; border-radius: 30px; color: #54645a; background: #fff; font-size: 12px; font-weight: 700; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.product-filter:hover { color: var(--ink); border-color: var(--orange); }
.product-filter.active { border-color: var(--ink); color: #fff; background: var(--ink); }
.product-count { margin: 0; color: var(--muted); font-size: 12px; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; gap: 20px; }
.catalog-card { min-width: 0; display: flex; flex-direction: column; overflow: hidden; border: 1px solid #dfe5df; border-radius: 20px; background: #fff; transition: border-color .2s, box-shadow .2s; }
.catalog-card:hover { border-color: #bfcbbf; box-shadow: 0 18px 42px rgba(20,39,30,.08); }
.catalog-card-visual { position: relative; min-height: 252px; display: grid; place-items: center; border-bottom: 1px solid #e5e9e3; }
.catalog-inverter-visual { background: radial-gradient(ellipse at 50% 50%, #fffaf6 5%, #f1e8df 100%); }
.catalog-battery-visual { background: radial-gradient(ellipse at 50% 50%, #f6faf4 5%, #e1e8de 100%); }
.catalog-panel-visual { background: radial-gradient(ellipse at 50% 50%, #f5fafc 5%, #dfe8eb 100%); }
.catalog-category { position: absolute; top: 20px; left: 20px; padding: 7px 10px; border: 1px solid rgba(18,32,25,.07); border-radius: 20px; color: #4f6057; background: rgba(255,255,255,.75); font-size: 9px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.catalog-item-number { position: absolute; top: 26px; right: 22px; color: #68786f; font: 700 10px Manrope, sans-serif; }
.catalog-card-visual .inverter-art, .catalog-card-visual .battery-art { transform: translateY(6px) scale(1.45); }
.catalog-card-visual .panel-art { transform: translateY(6px) skewY(-7deg) scale(1.45); }
.catalog-visual-caption { position: absolute; bottom: 20px; color: #637168; font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }
.catalog-card-body { flex: 1; display: flex; flex-direction: column; padding: 27px 25px 25px; }
.catalog-brand { margin: 0 0 8px; color: var(--orange-dark); font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.catalog-card h3 { margin-bottom: 12px; font-size: 23px; letter-spacing: -.035em; }
.catalog-card-body > p:not(.catalog-brand) { margin: 0 0 20px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.catalog-features { margin: 0 0 25px; padding: 0; list-style: none; }
.catalog-features li { display: flex; gap: 8px; padding: 6px 0; color: #516158; font-size: 11px; line-height: 1.5; }
.catalog-features li::before { content: "✓"; flex-shrink: 0; color: var(--orange-dark); font-weight: 800; }
.catalog-card-footer { margin-top: auto; padding-top: 18px; border-top: 1px solid #e6eae6; }
.catalog-card-footer > p { margin: 0 0 15px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.catalog-card-footer .button { min-height: 46px; padding-inline: 12px; font-size: 12px; }
.catalog-card-footer .button:hover { background: #2a4033; }
.catalog-note { margin: 22px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.catalog-help { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 45px; margin-top: 65px; padding: 40px 44px; border: 1px solid #e6ddd3; border-radius: 22px; background: #f1ede4; }
.catalog-help .eyebrow { margin-bottom: 15px; font-size: 9px; }
.catalog-help h2 { margin-bottom: 12px; font-size: 30px; letter-spacing: -.04em; }
.catalog-help p:not(.eyebrow) { max-width: 570px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.catalog-help-actions { display: grid; gap: 10px; }
.catalog-help-actions .button { min-height: 46px; font-size: 12px; }

@media (max-width: 1100px) {
  .catalog-hero-grid { gap: 32px; grid-template-columns: 1.2fr 1fr; }
  .catalog-system { padding: 25px; }
  .catalog-system-art { gap: 6px; }
  .catalog-system-art .product-art { flex-basis: 72px; width: 72px; height: 72px; }
  .catalog-card-body { padding: 24px 20px; }
}

@media (max-width: 980px) {
  .catalog-hero-grid { grid-template-columns: 1fr; }
  .catalog-system { max-width: 540px; }
  .catalog-system-art .product-art { flex-basis: 84px; width: 84px; height: 84px; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-help { padding: 32px; gap: 28px; }
}

@media (max-width: 760px) {
  .catalog-hero { padding-top: 100px; }
  .breadcrumbs { margin-bottom: 28px; }
  .catalog-hero h1 { font-size: clamp(36px, 8.8vw, 54px); }
  .catalog-hero .hero-lede { font-size: 15px; }
  .catalog-hero-grid { gap: 30px; padding-bottom: 30px; }
  .catalog-system { max-width: none; padding: 24px; }
  .catalog-system-art .product-art { flex-basis: 72px; width: 72px; height: 72px; }
  .catalog-system h2 { font-size: 24px; }
  .catalog-highlights { gap: 13px 23px; padding-block: 20px; }
  .catalog-highlights > span { font-size: 11px; }
  .catalog-section { padding: 50px 0 60px; scroll-margin-top: 84px; }
  .catalog-heading .eyebrow { margin-bottom: 15px; }
  .catalog-toolbar { gap: 18px; }
  .product-filters { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .product-filter { padding: 12px 10px; }
  .catalog-grid { grid-template-columns: 1fr; }
  .catalog-card-body { padding: 25px; }
  .catalog-card-visual { min-height: 240px; }
  .catalog-help { grid-template-columns: 1fr; margin-top: 42px; padding: 30px 24px; }
  .catalog-help h2 { font-size: 28px; }
  .catalog-help-actions { grid-template-columns: 1fr; }
}

.why-grid { padding: 118px 0; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; }
.why-visual { position: relative; min-height: 470px; }
.orange-block { position: absolute; z-index: 2; top: 0; left: 0; width: 210px; height: 180px; padding: 28px; display: flex; flex-direction: column; justify-content: flex-end; color: #fff; background: var(--orange); }
.orange-block span { margin-bottom: 4px; font-size: 10px; text-transform: uppercase; letter-spacing: .11em; }
.orange-block strong { font-family: Manrope, sans-serif; font-size: 24px; }
.install-graphic { position: absolute; right: 0; bottom: 0; width: calc(100% - 54px); height: 410px; display: grid; place-items: end center; overflow: hidden; border-radius: 18px; background: linear-gradient(155deg,#e7eee8,#b8cbc0); }
.install-graphic svg { width: 100%; }
.why-copy h2 { margin-bottom: 34px; font-size: 43px; line-height: 1.08; letter-spacing: -.045em; }
.reason-list { display: grid; }
.reason-list > div { padding: 22px 0; display: grid; grid-template-columns: 35px 1fr; gap: 14px; border-top: 1px solid #e0e5e2; }
.reason-list span { color: var(--orange); font-family: Manrope, sans-serif; font-size: 10px; font-weight: 800; }
.reason-list p { margin: 0; display: grid; gap: 7px; }
.reason-list strong { font-family: Manrope, sans-serif; font-size: 15px; }
.reason-list small { max-width: 420px; color: var(--muted); font-size: 12px; line-height: 1.55; }

.contact-panel { margin-bottom: 100px; padding: 62px 68px; display: grid; grid-template-columns: 1fr .82fr; align-items: center; gap: 75px; border-radius: 26px; color: #fff; background: var(--orange); box-shadow: 0 28px 70px rgba(237,112,32,.22); }
.contact-copy h2 { max-width: 580px; margin-bottom: 18px; font-size: 45px; line-height: 1.05; letter-spacing: -.045em; }
.contact-copy > p:not(.eyebrow) { max-width: 540px; margin: 0; color: #ffe3d0; font-size: 14px; line-height: 1.7; }
.contact-actions { margin-top: 29px; display: flex; align-items: center; gap: 22px; }
.contact-phone { display: grid; gap: 3px; border: 0; color: #fff; background: transparent; text-align: left; cursor: pointer; }
.contact-phone small { color: #ffd5ba; font-size: 9px; }
.contact-phone strong { font-size: 14px; }
.quick-form { padding: 27px; border-radius: 17px; color: var(--ink); background: #fff; box-shadow: 0 18px 45px rgba(93,38,6,.18); }
.form-head { margin-bottom: 18px; display: grid; gap: 4px; }
.form-head strong { font-family: Manrope, sans-serif; font-size: 15px; }
.form-head span { color: #7b8880; font-size: 9px; }
.quick-form label, .quote-dialog label { margin-bottom: 12px; display: grid; gap: 6px; color: #54635b; font-size: 9px; font-weight: 700; }
.quick-form input, .quick-form select, .quote-dialog input { width: 100%; height: 43px; padding: 0 12px; border: 1px solid #dce3df; border-radius: 8px; outline: none; color: var(--ink); background: #fbfcfa; font-size: 11px; }
.quick-form input:focus, .quick-form select:focus, .quote-dialog input:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(237,112,32,.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.privacy-note { display: block; margin-top: 10px; color: #8c9891; font-size: 8px; line-height: 1.5; text-align: center; }
.input-error { border-color: #b82525 !important; box-shadow: 0 0 0 3px rgba(184,37,37,.08) !important; }

.faq-wrap { padding-bottom: 110px; display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.faq-wrap h2 { margin: 0; font-size: 38px; letter-spacing: -.04em; }
.faq-list details { border-top: 1px solid #dfe5e1; }
.faq-list details:last-child { border-bottom: 1px solid #dfe5e1; }
.faq-list summary { padding: 21px 4px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-family: Manrope, sans-serif; font-size: 13px; font-weight: 700; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--orange); font-size: 23px; font-weight: 400; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -5px 35px 21px 4px; color: var(--muted); font-size: 12px; line-height: 1.7; }

.site-footer { padding: 53px 0 27px; color: #fff; background: #0f1713; }
.footer-top { padding-bottom: 39px; display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(0, 1.4fr); align-items: center; gap: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-top > p { max-width: 400px; color: #87958e; font-size: 12px; line-height: 1.6; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px 21px; color: #b6c2bc; font-size: 12px; }
.footer-bottom { padding-top: 23px; display: flex; justify-content: space-between; color: #65746c; font-size: 9px; }
.draft-label { color: #d59168; }

.product-guides { margin-top: 64px; }
.product-guides h2 { font-size: clamp(28px, 3.5vw, 40px); letter-spacing: -.04em; }
.product-guide-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.product-guide-card { padding: 26px 22px; border: 1px solid var(--line); border-radius: 16px; background: #fff; transition: border-color .2s, transform .2s; }
.product-guide-card:hover { border-color: var(--orange); transform: translateY(-3px); }
.product-guide-card h3 { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 12px; font-size: 18px; }
.product-guide-card h3 span { color: var(--orange); }
.product-guide-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.mobile-actions { display: none; }
.quote-dialog { width: min(510px, calc(100% - 28px)); padding: 38px; border: 0; border-radius: 22px; color: var(--ink); background: #fff; box-shadow: 0 30px 90px rgba(0,0,0,.3); }
.quote-dialog::backdrop { background: rgba(7,14,10,.72); backdrop-filter: blur(5px); }
.quote-dialog[open] { animation: dialogIn .22s ease-out; }
@keyframes dialogIn { from { opacity: 0; transform: translateY(12px) scale(.98); } }
.dialog-close { position: absolute; top: 15px; right: 17px; width: 34px; height: 34px; border: 0; border-radius: 50%; color: #5d6b63; background: #f0f3f1; font-size: 22px; cursor: pointer; }
.dialog-icon { width: 44px; height: 44px; margin-bottom: 22px; display: grid; place-items: center; border-radius: 12px; color: #fff; background: var(--orange); }
.dialog-icon svg { width: 23px; fill: currentColor; }
.quote-dialog h2 { margin-bottom: 10px; font-size: 32px; letter-spacing: -.04em; }
.quote-dialog > p:not(.eyebrow) { margin: 0 0 23px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.dialog-note { display: block; margin-top: 13px; color: #8b9790; font-size: 9px; line-height: 1.5; text-align: center; }
.dialog-success { padding: 20px; border: 1px solid #ead9ce; border-radius: 12px; background: #fff8f3; text-align: center; }
.dialog-success strong { font-family: Manrope, sans-serif; font-size: 18px; }
.dialog-success p { color: var(--muted); font-size: 11px; line-height: 1.6; }
.toast { position: fixed; z-index: 100; left: 50%; bottom: 24px; padding: 11px 16px; transform: translate(-50%, 20px); border-radius: 8px; color: #fff; background: #132019; box-shadow: 0 12px 40px rgba(0,0,0,.25); font-size: 11px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.delay-one { transition-delay: .12s; }
.delay-two { transition-delay: .22s; }

@media (max-width: 980px) {
  .site-nav { gap: 17px; }
  .product-guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { min-height: auto; padding-top: 142px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding-bottom: 5px; }
  .hero-visual { min-height: 480px; width: min(640px, 100%); margin: 0 auto; }
  .hero-photo { right: 0; width: 100%; }
  .hero-visual::after { right: 0; }
  .trust-row { max-width: 630px; }
  .proof-strip { padding-inline: 0; }
  .selector-grid { grid-template-columns: 1fr; }
  .recommendation { padding: 38px 45px; }
  .product-band { padding: 52px; grid-template-columns: 1fr; gap: 42px; }
  .why-grid { gap: 50px; }
  .contact-panel { padding: 50px; grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: auto 1fr; }
  .footer-links { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  :root { --header-height: 70px; }
  body { padding-bottom: 64px; }
  .container { width: min(100% - 28px, 680px); }
  .nav-wrap { gap: 16px; }
  .menu-button { display: block; }
  .site-nav { position: absolute; top: var(--header-height); left: 14px; right: 14px; max-height: calc(100dvh - var(--header-height) - 80px); overflow-y: auto; padding: 19px; display: grid; gap: 0; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: rgba(16,27,21,.98); box-shadow: 0 22px 45px rgba(0,0,0,.3); visibility: hidden; opacity: 0; transform: translateY(-10px); pointer-events: none; transition: opacity .2s, transform .2s, visibility .2s; }
  .site-nav.open { visibility: visible; opacity: 1; transform: none; pointer-events: auto; }
  .site-nav > a { padding: 13px 5px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-products summary { padding: 13px 5px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-product-links { position: static; width: auto; margin-top: 8px; box-shadow: none; }
  .product-guide-grid { grid-template-columns: 1fr; }
  .product-guides { margin-top: 44px; }
  .nav-cta { margin-top: 15px; }
  .hero { padding-top: 115px; }
  .hero::before { background: radial-gradient(circle at 65% 25%, rgba(237,112,32,.15), transparent 30%), #0f1713; }
  h1 { font-size: clamp(44px, 13vw, 62px); }
  .hero-lede { font-size: 16px; }
  .hero-actions { display: grid; }
  .button-large { width: 100%; }
  .trust-row { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
  .trust-row > div:last-child { grid-column: 1 / -1; }
  .hero-visual { min-height: 390px; margin-top: 8px; }
  .hero-photo { inset: 22px 0 26px; width: 100%; height: calc(100% - 48px); border-radius: 110px 16px 16px 16px; }
  .hero-visual::after { inset: 22px 0 26px; border-radius: 110px 16px 16px 16px; }
  .power-card { left: 0; bottom: 25px; min-width: 0; width: min(320px, 90%); }
  .proof-strip { min-height: 82px; gap: 11px; flex-wrap: wrap; align-content: center; }
  .proof-strip > span { width: 100%; }
  .proof-strip p { width: 100%; margin: 0; }
  .selector-section { padding: 82px 0; }
  .section-heading.centered { margin-bottom: 34px; text-align: left; }
  .section-heading.centered .eyebrow { justify-content: flex-start; }
  .selector-progress { padding: 0 15px; gap: 7px; }
  .selector-progress span { font-size: 0; }
  .selector-progress span::after { content: attr(data-label); font-size: 9px; }
  .selector-progress i { width: 20px; }
  .selector-form { padding: 29px 18px 34px; }
  .choice-grid { grid-template-columns: 1fr; }
  .choice-card small { white-space: normal; }
  .recommendation { padding: 32px 22px; }
  .solutions-section { padding-top: 80px; }
  .section-heading.split { grid-template-columns: 1fr; gap: 12px; }
  .solution-cards { grid-template-columns: 1fr; }
  .solution-card { min-height: 360px; }
  .product-band { margin-top: 72px; padding: 34px 20px; }
  .product-copy h2 { font-size: 34px; }
  .product-tile { grid-template-columns: 84px 1fr; padding: 15px; gap: 14px; }
  .product-art { width: 72px; height: 72px; }
  .why-grid { padding: 82px 0; grid-template-columns: 1fr; }
  .why-visual { min-height: 390px; }
  .orange-block { width: 170px; height: 145px; padding: 20px; }
  .install-graphic { height: 345px; }
  .why-copy h2 { font-size: 36px; }
  .contact-panel { margin-inline: -2px; margin-bottom: 78px; padding: 39px 20px; border-radius: 20px; }
  .contact-copy h2 { font-size: 37px; }
  .contact-actions { align-items: flex-start; flex-direction: column; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .quick-form { padding: 22px 17px; }
  .faq-wrap { padding-bottom: 80px; grid-template-columns: 1fr; gap: 30px; }
  .footer-top { grid-template-columns: 1fr; gap: 20px; }
  .footer-links { flex-wrap: wrap; }
  .footer-bottom { gap: 10px; flex-direction: column; }
  .mobile-actions { position: fixed; z-index: 45; left: 0; right: 0; bottom: 0; height: 64px; padding: 8px 10px; display: grid; grid-template-columns: .7fr 1fr 1.2fr; gap: 7px; border-top: 1px solid #dce3df; background: rgba(255,255,255,.97); backdrop-filter: blur(12px); }
  .mobile-actions button, .mobile-actions a { display: flex; align-items: center; justify-content: center; gap: 4px; border: 0; border-radius: 9px; color: var(--ink); background: #edf1ee; font-size: 10px; font-weight: 800; }
  .mobile-actions .primary { color: #fff; background: var(--orange); }
  .quote-dialog { padding: 31px 20px 24px; }
}

@media (max-width: 390px) {
  .trust-row { grid-template-columns: 1fr; }
  .trust-row > div:last-child { grid-column: auto; }
  .hero-visual { min-height: 330px; }
  .power-card { padding: 11px; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .product-tile { grid-template-columns: 72px 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}