:root {
  --bg: #f7f8f4;
  --surface: #ffffff;
  --surface-soft: #eef2e7;
  --text: #1f2326;
  --muted: #687077;
  --line: #dfe4db;
  --dark: #171a1d;
  --dark-2: #24282c;
  --brand: #9cc22b;
  --brand-2: #b7da49;
  --brand-dark: #6f9415;
  --danger: #b2553b;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 24px 70px rgba(18, 24, 20, .10);
  --container: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
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; }
.container { width: var(--container); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,248,244,.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(31,35,38,.08);
}
.header-inner { min-height: 88px; display: flex; align-items: center; gap: 36px; }
.brand { flex: 0 0 auto; }
.brand img { width: 210px; height: auto; }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 22px; }
.nav-item { position: relative; }
.nav-link { display: inline-flex; align-items: center; min-height: 46px; font-size: .93rem; font-weight: 700; color: #3d4449; }
.nav-link:hover, .nav-link.is-active { color: var(--brand-dark); }
.nav-link.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: 1px; height: 2px; background: var(--brand); border-radius: 99px; }
.nav-item-dropdown { display: flex; align-items: center; }
.submenu-toggle { border: 0; background: transparent; font-weight: 800; margin-left: 3px; color: #697177; }
.submenu {
  position: absolute;
  left: -18px;
  top: calc(100% - 2px);
  width: 260px;
  padding: 12px;
  margin: 0;
  list-style: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 22px 60px rgba(19, 24, 20, .12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: .18s ease;
}
.submenu a { display: block; padding: 10px 12px; border-radius: 10px; font-size: .92rem; font-weight: 650; color: #3e4549; }
.submenu a:hover { background: var(--surface-soft); color: var(--brand-dark); }
.nav-item-dropdown:hover .submenu, .nav-item-dropdown.is-open .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; border-radius: 12px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.nav-toggle span:not(.sr-only) { width: 20px; height: 2px; background: var(--text); border-radius: 999px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--brand);
  border-radius: 999px;
  background: var(--brand);
  color: #17200b;
  font-weight: 800;
  letter-spacing: -.01em;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(104, 145, 13, .18); background: var(--brand-2); }
.button-sm { min-height: 42px; padding-inline: 16px; font-size: .9rem; }
.button-ghost { background: transparent; border-color: #b9c0b8; color: var(--text); }
.button-ghost:hover { background: #fff; box-shadow: none; }
.button-dark { background: var(--dark); border-color: var(--dark); color: #fff; }
.button-dark:hover { background: #262a2e; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  display: grid;
  align-items: center;
  background:
    radial-gradient(circle at 72% 35%, rgba(156,194,43,.18), transparent 27%),
    linear-gradient(135deg, #f8faf4 0%, #edf2e5 100%);
}
.hero::after { content: ""; position: absolute; right: -120px; bottom: -180px; width: 520px; height: 520px; border: 1px solid rgba(156,194,43,.2); border-radius: 50%; }
.hero-grid, .page-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 74px; align-items: center; }
.hero-copy { padding-block: 90px; }
.eyebrow { display: inline-block; margin-bottom: 16px; color: var(--brand-dark); font-size: .77rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow-light { color: #b6d85e; }
h1, h2, h3 { margin: 0 0 18px; line-height: 1.06; letter-spacing: -.04em; }
h1 { font-size: clamp(3.3rem, 6vw, 6.6rem); max-width: 900px; }
h2 { font-size: clamp(2.1rem, 4vw, 4rem); }
h3 { font-size: 1.3rem; letter-spacing: -.025em; }
p { margin: 0 0 20px; color: var(--muted); }
.lead { max-width: 760px; font-size: clamp(1.1rem, 2vw, 1.4rem); color: #51595f; }
.lead-sm { font-size: 1.1rem; color: #b8c0c2; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 700px; margin-top: 44px; padding-top: 28px; border-top: 1px solid #d6ddd3; }
.hero-facts div { display: grid; gap: 3px; }
.hero-facts strong { font-size: 1.45rem; }
.hero-facts span { color: var(--muted); font-size: .86rem; }

.hero-visual { position: relative; min-height: 500px; }
.energy-orbit { position: absolute; border-radius: 50%; border: 1px solid rgba(71,79,69,.18); }
.orbit-a { width: 430px; height: 430px; right: 10px; top: 20px; }
.orbit-b { width: 310px; height: 310px; right: 70px; top: 80px; border-color: rgba(156,194,43,.46); }
.energy-card { position: absolute; right: 105px; top: 130px; width: 240px; min-height: 220px; padding: 28px; border-radius: 28px; background: linear-gradient(145deg, #202428, #101214); color: #fff; box-shadow: var(--shadow); transform: rotate(-5deg); }
.energy-card span { color: var(--brand-2); font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.energy-card strong { display: block; margin: 16px 0 20px; font-size: 2.15rem; line-height: 1; letter-spacing: -.05em; }
.energy-card small { color: #b9c0c2; }
.energy-chip { position: absolute; width: 74px; height: 74px; display: grid; place-items: center; border-radius: 50%; background: var(--brand); color: #1a1f13; font-weight: 900; box-shadow: 0 16px 36px rgba(105,144,18,.20); }
.chip-a { right: 36px; top: 65px; }
.chip-b { right: 14px; top: 320px; background: #fff; border: 1px solid #dfe4dc; }
.chip-c { right: 330px; top: 346px; background: #2d3135; color: #fff; }

.section { padding: 108px 0; }
.section-tight { padding-top: 86px; }
.section-soft { background: var(--surface-soft); }
.section-dark { background: var(--dark); color: #fff; }
.section-dark p { color: #b8bfc1; }
.section-heading { max-width: 820px; margin-bottom: 46px; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: end; }
.split-heading p { max-width: 520px; justify-self: end; }
.card-grid { display: grid; gap: 20px; }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.feature-card { min-height: 310px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.8); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
a.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #c9d0c6; }
.feature-card-dark { background: var(--dark); color: #fff; border-color: var(--dark); }
.feature-card-dark p { color: #adb5b8; }
.icon-box { display: inline-grid; place-items: center; min-width: 48px; height: 48px; padding: 0 12px; border-radius: 13px; background: var(--surface-soft); color: var(--brand-dark); font-weight: 900; font-size: .84rem; margin-bottom: 34px; }
.feature-card-dark .icon-box { background: rgba(156,194,43,.15); color: var(--brand-2); }
.text-link { display: inline-block; margin-top: 18px; font-weight: 800; color: var(--brand-dark); }
.feature-card-dark .text-link { color: var(--brand-2); }

.project-radar-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; }
.metric-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.metric-grid-wide { grid-template-columns: repeat(4, 1fr); }
.metric-card { min-height: 170px; padding: 24px; border-radius: 18px; border: 1px solid rgba(255,255,255,.10); background: #202428; display: flex; flex-direction: column; justify-content: space-between; }
.metric-card strong { color: #fff; font-size: 2rem; letter-spacing: -.04em; }
.metric-card span { color: #aeb6b8; font-size: .92rem; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.align-start { align-items: start; }
.check-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin: 28px 0 32px; }
.check-list span { padding: 11px 14px; background: #fff; border: 1px solid var(--line); border-radius: 12px; font-weight: 700; font-size: .92rem; }
.check-list span::before { content: "✓"; color: var(--brand-dark); font-weight: 900; margin-right: 8px; }
.process-graphic { min-height: 420px; display: grid; grid-template-columns: 1fr 60px 1fr 60px .8fr; align-items: center; }
.process-node, .process-output { display: grid; place-items: center; min-height: 126px; border-radius: 999px; font-weight: 900; text-align: center; }
.process-node.hot { background: linear-gradient(135deg, #f0a057, #d65d2f); color: #fff; }
.process-node.core { background: var(--brand); }
.process-output { min-height: 82px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
.process-line { height: 2px; background: #bdc6bb; }
.process-line.split { position: relative; }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 60px; padding: 48px; border-radius: 28px; background: #fff; box-shadow: 0 18px 55px rgba(30,37,32,.06); }
.cta-panel > div { max-width: 780px; }

.page-hero { padding: 105px 0 90px; background: linear-gradient(135deg, #f8faf4, #edf1e7); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(3rem, 5.8vw, 5.8rem); }
.compact-hero { padding: 86px 0 72px; }
.compact-hero h1 { max-width: 930px; }
.page-hero-panel { padding: 34px; border-radius: 24px; background: var(--dark); color: #fff; box-shadow: var(--shadow); }
.page-hero-panel strong { display: block; font-size: 2.1rem; line-height: 1.08; letter-spacing: -.045em; margin: 12px 0 22px; }
.page-hero-panel p { color: #b6bec0; }
.panel-kicker { color: var(--brand-2); font-size: .76rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.stat-stack { display: grid; gap: 12px; }
.stat-stack div { padding: 24px 26px; border-radius: 16px; background: #fff; border: 1px solid var(--line); }
.stat-stack strong { display: block; font-size: 1.35rem; margin-bottom: 4px; }
.stat-stack span { color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.step { padding: 28px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
.step > span { display: inline-block; margin-bottom: 28px; color: var(--brand-dark); font-size: .8rem; font-weight: 900; letter-spacing: .08em; }
.download-panel { display: flex; align-items: center; justify-content: space-between; gap: 50px; padding: 46px; border-radius: 26px; background: #fff; border: 1px solid var(--line); }
.download-panel > div { max-width: 760px; }

.thermal-visual { min-height: 440px; position: relative; display: grid; place-items: center; }
.thermal-core { width: 170px; height: 170px; border-radius: 50%; display: grid; place-items: center; background: var(--brand); font-size: 2.2rem; font-weight: 950; box-shadow: 0 0 0 34px rgba(156,194,43,.12), 0 0 0 72px rgba(156,194,43,.06); }
.thermal-hot, .thermal-cold { position: absolute; padding: 14px 18px; border-radius: 999px; color: #fff; font-weight: 850; }
.thermal-hot { top: 44px; left: 28px; background: #db6e3b; }
.thermal-cold { bottom: 40px; right: 24px; background: #4d7baa; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud span { padding: 11px 15px; border: 1px solid rgba(255,255,255,.14); border-radius: 999px; color: #dfe4e5; background: rgba(255,255,255,.03); }
.product-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.product-card { padding: 38px; border-radius: 24px; background: #fff; border: 1px solid var(--line); min-height: 320px; transition: .2s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-card > span { color: var(--brand-dark); text-transform: uppercase; font-weight: 900; font-size: .76rem; letter-spacing: .1em; }
.product-card b { color: var(--brand-dark); }
.contact-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 70px; align-items: start; }
.contact-card { padding: 34px; border-radius: 22px; background: #fff; border: 1px solid var(--line); }
.contact-card a { display: block; margin-top: 9px; color: var(--brand-dark); font-weight: 800; }
.notice { margin-top: 30px; padding: 24px; border-radius: 16px; background: var(--surface-soft); border-left: 4px solid var(--brand); }
.notice p { margin-bottom: 0; }
.benefit-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.benefit-item { min-height: 120px; padding: 22px; display: flex; gap: 14px; align-items: start; border-radius: 16px; border: 1px solid var(--line); background: #fff; }
.benefit-item span { color: var(--brand-dark); font-weight: 900; }
.calculator-shell { display: grid; grid-template-columns: 1fr 1fr; gap: 0; overflow: hidden; border-radius: 26px; border: 1px solid var(--line); background: #fff; }
.calculator-form, .calculator-results { padding: 42px; }
.calculator-form label { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-bottom: 18px; font-weight: 800; }
.calculator-form label span { color: var(--muted); font-size: .88rem; }
.calculator-form input { grid-column: 1 / -1; width: 100%; padding: 15px 16px; border: 1px solid #cfd6cd; border-radius: 12px; background: #fbfcfa; outline: none; }
.calculator-form input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(156,194,43,.12); }
.form-hint { font-size: .86rem; margin-top: 15px; }
.calculator-results { background: var(--dark); color: #fff; display: grid; gap: 14px; }
.calculator-results div { padding: 20px; border-radius: 14px; border: 1px solid rgba(255,255,255,.09); }
.calculator-results span { display: block; color: #aeb7b9; font-size: .9rem; }
.calculator-results strong { display: block; margin-top: 5px; font-size: 1.4rem; }
.calculator-results p { color: #b8c0c2; margin: 0; }
.spec-card { padding: 30px; background: #fff; border-radius: 20px; border: 1px solid var(--line); }
.faq-list { max-width: 900px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; cursor: pointer; padding: 24px 6px; font-weight: 850; font-size: 1.12rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; color: var(--brand-dark); font-size: 1.5rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 42px 22px 6px; }
.prose { max-width: 860px; }
.prose h2 { font-size: 1.75rem; margin-top: 38px; }
.legal-warning { padding: 18px 20px; border-radius: 14px; border: 1px solid #edcf9b; background: #fff8e9; color: #6b5123; font-weight: 700; }

.site-footer { padding: 72px 0 24px; background: #111315; color: #f2f4ef; }
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr .8fr; gap: 50px; }
.footer-logo { width: 190px; filter: brightness(0) invert(1); opacity: .95; margin-bottom: 18px; }
.site-footer p { color: #9ea6a8; }
.site-footer a, .footer-link-button { display: block; margin: 9px 0; color: #c7cecf; font-size: .92rem; }
.site-footer a:hover, .footer-link-button:hover { color: var(--brand-2); }
.footer-heading { font-size: .9rem; color: #fff; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 18px; }
.footer-link-button { padding: 0; border: 0; background: none; }
.footer-bottom { margin-top: 54px; padding-top: 22px; border-top: 1px solid #2d3236; display: flex; justify-content: space-between; gap: 20px; color: #788084; font-size: .84rem; }

.cookie-banner { position: fixed; inset: auto 18px 18px 18px; z-index: 90; }
.cookie-card { max-width: 1080px; margin: 0 auto; padding: 24px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: 0 26px 80px rgba(10,14,12,.22); display: flex; justify-content: space-between; align-items: center; gap: 28px; }
.cookie-card p { margin: 4px 0 0; font-size: .9rem; }
.cookie-actions { display: flex; gap: 10px; flex: 0 0 auto; }

@media (max-width: 1060px) {
  .header-inner { min-height: 76px; }
  .brand img { width: 178px; }
  .nav-toggle { display: flex; }
  .main-nav { display: none; position: absolute; left: 20px; right: 20px; top: 68px; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); align-items: stretch; }
  .main-nav.is-open { display: block; }
  .nav-list { display: block; }
  .nav-item { border-bottom: 1px solid #edf0eb; }
  .nav-link { width: calc(100% - 38px); min-height: 50px; }
  .nav-link.is-active::after { display: none; }
  .nav-item-dropdown { display: block; }
  .submenu-toggle { position: absolute; top: 8px; right: 5px; width: 34px; height: 34px; }
  .submenu { position: static; width: 100%; box-shadow: none; border: 0; padding: 0 0 10px 14px; opacity: 1; visibility: visible; transform: none; display: none; }
  .nav-item-dropdown.is-open .submenu { display: block; }
  .main-nav > .button { width: 100%; margin-top: 16px; }
  .hero-grid, .page-hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero { min-height: auto; }
  .hero-copy { padding-block: 80px 20px; }
  .hero-visual { min-height: 420px; max-width: 600px; width: 100%; margin: 0 auto 50px; }
  .project-radar-grid, .two-col, .contact-grid { grid-template-columns: 1fr; gap: 46px; }
  .metric-grid-wide { grid-template-columns: repeat(2,1fr); }
  .card-grid-3, .benefit-grid { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
}

@media (max-width: 720px) {
  :root { --container: min(100% - 28px, 1180px); --radius: 18px; }
  .section { padding: 76px 0; }
  .page-hero { padding: 74px 0 62px; }
  h1 { font-size: clamp(2.75rem, 15vw, 4.2rem); }
  h2 { font-size: clamp(2rem, 10vw, 3rem); }
  .lead { font-size: 1.05rem; }
  .hero-facts { grid-template-columns: 1fr; }
  .hero-visual { min-height: 340px; }
  .orbit-a { width: 320px; height: 320px; right: 0; }
  .orbit-b { width: 230px; height: 230px; right: 45px; }
  .energy-card { right: 70px; top: 100px; width: 190px; min-height: 180px; padding: 22px; }
  .energy-card strong { font-size: 1.7rem; }
  .chip-a { right: 10px; top: 52px; }
  .chip-b { right: 0; top: 250px; }
  .chip-c { left: 5px; right: auto; top: 250px; }
  .split-heading { grid-template-columns: 1fr; gap: 12px; }
  .split-heading p { justify-self: start; }
  .card-grid-3, .benefit-grid, .metric-grid, .metric-grid-wide, .product-grid, .steps, .calculator-shell { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .project-radar-grid { grid-template-columns: 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .process-graphic { min-height: auto; grid-template-columns: 1fr; gap: 14px; }
  .process-line { width: 2px; height: 28px; justify-self: center; }
  .cta-panel, .download-panel, .cookie-card { flex-direction: column; align-items: stretch; padding: 30px; }
  .thermal-visual { min-height: 330px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .cookie-actions { flex-direction: column; width: 100%; }
  .calculator-form, .calculator-results { padding: 28px; }
}