:root {
  --paper: #f7f6f1;
  --cream: #eeeae0;
  --soft: #e5e6e2;
  --ink: #17221d;
  --muted: #626963;
  --forest: #0e4938;
  --forest-deep: #07382b;
  --lime: #b7f22d;
  --line: #cdd0c9;
  --white: #fffef9;
  --radius: 8px;
  --page-gutter: clamp(28px, 6.6vw, 96px);
  --section-space: clamp(84px, 8vw, 132px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.7 Manrope, Arial, sans-serif; text-rendering: optimizeLegibility; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; line-height: 1; letter-spacing: -.025em; text-wrap: balance; }
p { color: var(--muted); text-wrap: pretty; }
p + p { margin-top: 18px; }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--lime); outline-offset: 4px; }

.site-shell { width: 100%; margin: 0; overflow: hidden; background: var(--paper); }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 100; padding: 10px 14px; background: var(--white); }
.skip-link:focus { top: 12px; }

.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 11px 22px; border: 1px solid currentColor; border-radius: 3px; background: transparent; color: var(--ink); font-size: 15px; font-weight: 600; line-height: 1.3; text-align: center; transition: background .22s ease, border-color .22s ease, color .22s ease, transform .22s ease; }
.button:hover { border-color: var(--forest); background: var(--forest); color: var(--white); }
.button:active { transform: translateY(1px); }
.button-light { border-color: rgba(255,255,255,.72); color: var(--white); }
.button-light:hover { border-color: var(--white); background: var(--white); color: var(--forest); }
.button-green { border-color: var(--forest); background: var(--forest); color: var(--white); }
.button-green:hover { border-color: var(--forest); background: transparent; color: var(--forest); }

/* Fejléc */
.header { min-height: 106px; display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 0 var(--page-gutter); background: var(--paper); }
.brand { flex-shrink: 0; }
.brand-logo { width: 96px; height: 82px; display: block; overflow: hidden; }
.brand-logo img { width: 100%; height: 100%; object-fit: contain; transform: scale(1.17); mix-blend-mode: multiply; }
.header nav { display: flex; align-items: center; gap: clamp(20px, 2vw, 34px); font-size: 17px; }
.header nav a { color: #444c47; transition: color .2s ease; }
.header nav a:hover { color: var(--forest); }
.header-actions { display: flex; align-items: center; gap: 20px; }
.header-contact { border-color: var(--lime); background: var(--lime); color: var(--forest-deep); }
.header-contact:hover { border-color: #a9df2b; background: #a9df2b; color: var(--forest-deep); }
.language { display: flex; align-items: center; gap: 7px; font-size: 14px; }
.language button { padding: 7px 0; border: 0; background: transparent; color: #858b86; }
.language button[aria-pressed="true"] { color: var(--forest); font-weight: 700; }
.language span { color: #a4a8a4; }
.menu-toggle { width: 46px; height: 46px; display: none; padding: 12px; border: 1px solid var(--ink); border-radius: 3px; background: transparent; }
.menu-toggle span { height: 1px; display: block; margin: 6px 0; background: var(--ink); }

/* Kétállapotú hero */
.hero { min-height: 690px; position: relative; margin: 0 var(--page-gutter); overflow: hidden; border-radius: var(--radius); background: #111b16; }
.hero-track, .hero-slide { position: absolute; inset: 0; }
.hero-slide { display: flex; align-items: flex-end; padding: 70px 52px; opacity: 0; visibility: hidden; transition: opacity .55s ease, visibility .55s ease; }
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-product-image { object-position: center 35%; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,15,11,.9) 0%, rgba(5,15,11,.56) 43%, rgba(5,15,11,.08) 76%), linear-gradient(0deg, rgba(5,12,9,.5), transparent 60%); }
.hero-shade-product { background: linear-gradient(90deg, rgba(5,15,11,.78) 0%, rgba(5,15,11,.48) 42%, rgba(5,15,11,.06) 74%), linear-gradient(0deg, rgba(5,12,9,.36), transparent 60%); }
.hero-content { width: min(740px, 62%); position: relative; z-index: 1; }
.hero-content-right { margin-left: 0; text-align: left; }
.eyebrow, .section-index { color: var(--forest); font-family: Manrope, Arial, sans-serif; font-size: 12px; font-weight: 700; letter-spacing: .13em; line-height: 1.4; }
.hero .eyebrow { margin-bottom: 22px; color: var(--white); }
.hero h1, .hero h2 { color: var(--white); font-size: clamp(58px, 5.5vw, 82px); }
.hero h1 em, .hero h2 em { color: var(--lime); font-style: normal; }
.hero-content > p:not(.eyebrow) { max-width: 660px; margin-top: 26px; color: #f4f2ea; font-size: 17px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-buttons .hero-button-solid { border-color: var(--white); background: var(--white); color: var(--forest); }
.hero-buttons .hero-button-solid:hover { border-color: var(--paper); background: var(--paper); color: var(--forest-deep); }
.hero-pagination { position: absolute; right: 34px; bottom: 30px; z-index: 3; display: flex; gap: 8px; }
.hero-dot { width: 48px; height: 42px; border: 1px solid rgba(255,255,255,.45); border-radius: 3px; background: rgba(8,22,16,.35); color: #fff; font-size: 13px; transition: background .2s ease, color .2s ease; }
.hero-dot.is-active { border-color: var(--lime); background: var(--lime); color: var(--forest-deep); }

.usp-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin: 26px var(--page-gutter) 0; padding: 50px 0 46px; overflow: hidden; border-radius: 18px; background: var(--white); box-shadow: 0 22px 55px rgba(14,73,56,.09); }
.usp-strip article { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 0; padding: 0 34px; text-align: center; }
.usp-strip article + article { border-left: 1px solid var(--line); }
.usp-strip strong { display: flex; align-items: baseline; justify-content: center; gap: .07em; color: #087865; font-family: "Instrument Serif", Georgia, serif; font-size: clamp(68px, 7vw, 104px); font-weight: 400; line-height: .9; letter-spacing: -.045em; font-variant-numeric: tabular-nums; }
.usp-strip strong b { font-weight: 400; }
.usp-strip strong small { margin-left: .2em; color: var(--forest); font-family: Manrope, Arial, sans-serif; font-size: 17px; font-weight: 600; letter-spacing: 0; }
.usp-strip p { margin-top: 24px; color: var(--ink); font-size: 14px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }

/* Szekcióalapok */
.section { padding: var(--section-space) var(--page-gutter); }
.section h2 { font-size: clamp(50px, 5vw, 74px); }
.section h3 { font-size: 30px; }
.section-heading { max-width: 1040px; margin: 0 auto 58px; text-align: center; }
.section-heading-wide { max-width: 1220px; }
.section-heading-left { max-width: 900px; margin-right: 0; margin-left: 0; text-align: left; }
.section-heading .section-index { margin-bottom: 22px; }
.section-heading > p:last-child { max-width: 900px; margin: 23px auto 0; font-size: 17px; }
.section-heading-left > p:last-child { margin-left: 0; }

/* Bemutatkozás */
.intro-section { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: clamp(55px, 7vw, 110px); align-items: center; }
.intro-copy { max-width: 690px; }
.intro-copy .section-index { margin-bottom: 22px; }
.intro-copy .lead { margin-top: 28px; color: var(--ink); font-family: "Instrument Serif", Georgia, serif; font-size: 29px; line-height: 1.25; }
.intro-copy > p:not(.section-index):not(.lead) { margin-top: 20px; }
.intro-copy .button { margin-top: 30px; }
.intro-media { min-height: 550px; position: relative; }
.intro-main-image { position: absolute; inset: 0 0 70px 80px; overflow: hidden; border-radius: var(--radius); background: linear-gradient(0deg, rgba(7,35,26,.2), rgba(7,35,26,.02)), url("assets/kezdőkép.png") center / cover no-repeat; }
.year-panel { width: 300px; position: absolute; bottom: 0; left: 0; padding: 34px; background: var(--forest); color: var(--white); border-radius: var(--radius); }
.year-panel span { font-family: "Instrument Serif", Georgia, serif; font-size: 70px; line-height: 1; }
.year-panel p { color: #eef2eb; font-size: 14px; }
.year-panel p:first-of-type { margin: 8px 0 22px; }

/* Probléma */
.problem-section { background: var(--cream); }
.problem-grid { display: grid; grid-template-columns: 1.25fr .75fr; grid-template-rows: 250px 250px; gap: 14px; }
.problem-grid figure { position: relative; overflow: hidden; border-radius: var(--radius); }
.problem-grid img { width: 100%; height: 100%; object-fit: cover; }
.problem-image { grid-row: 1 / 3; }
.problem-detail { grid-column: 2; grid-row: 2; }
.problem-grid figcaption { position: absolute; right: 0; bottom: 0; left: 0; padding: 45px 20px 17px; background: linear-gradient(transparent, rgba(5,12,9,.8)); color: var(--white); font-size: 13px; }
.problem-statement { padding: 34px; background: var(--forest); color: var(--white); border-radius: var(--radius); }
.problem-statement > span { color: var(--lime); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.problem-statement h3 { margin: 16px 0 13px; }
.problem-statement p { color: #e7eee9; }

/* Megoldás */
.solution-section { background: var(--white); }
.solution-visual { max-width: 1250px; margin: 0 auto; overflow: hidden; border-radius: var(--radius); }
.solution-visual img { width: 100%; max-height: 650px; object-fit: cover; }
.solution-notes { max-width: 1250px; display: grid; grid-template-columns: 1fr 1fr; margin: 32px auto 0; }
.solution-notes article { padding: 10px 38px 0; }
.solution-notes article:first-child { padding-left: 0; }
.solution-notes article + article { border-left: 1px solid var(--line); }
.solution-notes span, .process-number, .comparison-benefits span { color: var(--forest); font-size: 17px; font-weight: 700; font-variant-numeric: tabular-nums; }
.solution-notes h3 { margin: 12px 0 10px; }

/* Négy lépés */
.process-section { padding-right: 0; padding-left: 0; }
.process-section .section-heading { padding: 0 var(--page-gutter); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.process-photo { aspect-ratio: 1 / .84; background-position: center; background-size: cover; }
.process-photo-tyre { background-image: linear-gradient(rgba(4,15,10,.05),rgba(4,15,10,.18)), url("assets/tyres.png"); }
.process-photo-machine { background-image: linear-gradient(rgba(4,15,10,.04),rgba(4,15,10,.16)), url("assets/technology.png"); background-color: #d9ded8; background-size: contain; background-repeat: no-repeat; }
.process-photo-material { background-image: linear-gradient(rgba(4,15,10,.2),rgba(4,15,10,.35)), url("assets/industry.jpg"); }
.process-photo-product { background-image: linear-gradient(rgba(4,15,10,.04),rgba(4,15,10,.18)), url("assets/product1.jpg"); }
.process-body { position: relative; min-height: 275px; padding: 27px 30px 36px; }
.process-step + .process-step .process-body::before { position: absolute; top: 27px; bottom: 36px; left: 0; width: 1px; background: var(--line); content: ""; }
.process-kicker { min-height: 42px; display: flex; align-items: center; gap: 16px; }
.process-kicker .process-number { color: #7dac18; font-size: 36px; font-weight: 600; line-height: 1; }
.process-label { padding-left: 16px; border-left: 1px solid var(--line); color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .13em; line-height: 1.35; }
.process-body h3 { margin: 16px 0 14px; font-size: clamp(28px, 2.35vw, 35px); line-height: 1.02; }
.process-body p { font-size: 15px; line-height: 1.6; }

/* Technológia */
.technology-section { display: grid; grid-template-columns: minmax(0,.92fr) minmax(0,1.08fr); gap: 20px 24px; background: #fff; }
.technology-copy { align-self: center; padding: 40px 54px 40px 0; }
.technology-copy .section-index { margin-bottom: 22px; }
.technology-copy > p:not(.section-index) { max-width: 650px; margin-top: 25px; }
.technology-copy .button { margin-top: 30px; }
.technology-figure { position: relative; overflow: hidden; min-height: 470px; background: #d6ddd6; border-radius: var(--radius); }
.technology-figure img { width: 100%; height: 100%; min-height: 470px; object-fit: cover; }
.technology-figure figcaption { position: absolute; right: 18px; bottom: 16px; max-width: 420px; padding: 11px 14px; background: rgba(247,246,241,.94); color: #424b46; font-size: 16px; line-height: 1.45; text-align: right; }
.technology-lower { grid-column: 1 / -1; height: 340px; display: grid; grid-template-columns: minmax(260px,.72fr) minmax(0,1.45fr); gap: 0; overflow: hidden; border-radius: var(--radius); }
.technology-product { position: relative; min-height: 0; overflow: hidden; background: #171b19; }
.technology-product img { position: absolute; inset: 0; width: 100%; height: 100%; min-height: 0; object-fit: cover; }
.technology-product img[src$="econövény.jpg"] { object-position: center 67%; }
.technology-product::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,15,10,.74), transparent 58%); pointer-events: none; }
.technology-product figcaption { position: absolute; right: 28px; bottom: 25px; left: 28px; z-index: 1; max-width: 260px; color: var(--white); font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.technology-data { display: flex; flex-direction: column; justify-content: flex-start; padding: 46px 34px 18px; background: var(--forest); color: var(--white); }
.technology-data-title { margin-bottom: 30px; color: var(--white); font-size: 15px; font-weight: 600; letter-spacing: .13em; }
.technology-specs { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); }
.technology-specs article { min-width: 0; padding: 0 16px; }
.technology-specs article:first-child { padding-left: 0; }
.technology-specs article + article { border-left: 1px solid rgba(255,255,255,.22); }
.technology-icon { width: 34px; height: 34px; display: block; margin-bottom: 12px; fill: none; stroke: var(--lime); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.technology-specs article > span { display: block; margin-bottom: 10px; color: #eff6f2; font-size: 12px; font-weight: 700; letter-spacing: .08em; white-space: nowrap; }
.technology-specs strong { display: block; color: var(--white); font-family: "Instrument Serif", Georgia, serif; font-size: clamp(23px,1.7vw,28px); font-weight: 400; line-height: 1.08; white-space: nowrap; }
.technology-specs p { margin-top: 10px; color: #dce8e2; font-size: 13px; line-height: 1.5; }

/* Termék */
.product-section { background: var(--cream); }
.product-grid { display: grid; grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr); gap: clamp(30px, 3.5vw, 52px); align-items: start; margin-bottom: 70px; }
.product-shot { height: 724px; overflow: hidden; border-radius: var(--radius); background: #d9d5cc; }
.product-shot img { width: 100%; height: 660px; object-fit: cover; object-position: center 18%; }
.product-shot figcaption { display: flex; justify-content: space-between; gap: 20px; padding: 20px 22px; color: var(--muted); font-size: 13px; }
.product-shot figcaption strong { color: var(--forest); font-weight: 600; }
.product-info-column { position: relative; width: min(100%, 620px); height: 724px; justify-self: end; }
.product-details { height: 100%; padding: clamp(30px, 3.2vw, 46px); border: 1px solid #d8ddd8; border-radius: 14px; background: #fff; box-shadow: 0 18px 46px rgba(18, 63, 50, .07); }
.product-details h3 { font-size: clamp(30px, 2.35vw, 36px); white-space: nowrap; }
.product-details > p { margin-top: 22px; }
.product-cta { position: absolute; top: calc(100% + 22px); left: 50%; border-color: var(--forest); background: var(--forest); color: var(--white); white-space: nowrap; transform: translateX(-50%); }
.product-cta:hover { border-color: var(--forest-deep); background: var(--forest-deep); color: var(--white); }
.product-cta:active { transform: translateX(-50%) translateY(1px); }
.use-cases { display: flex; flex-wrap: wrap; margin: 26px 0; color: var(--forest); font-size: 14px; font-weight: 600; }
.use-cases span { padding: 0 16px; }
.use-cases span:first-child { padding-left: 0; }
.use-cases span + span { border-left: 1px solid #aeadA5; }
.specs { width: 100%; margin: 26px 0; border-collapse: collapse; font-size: 15px; }
.specs caption { padding-bottom: 15px; color: var(--muted); font-size: 13px; text-align: left; }
.specs th, .specs td { padding: 11px 0; }
.specs tr + tr { border-top: 1px solid #c4c0b7; }
.specs th { color: var(--muted); font-weight: 400; text-align: left; }
.specs td { text-align: right; font-variant-numeric: tabular-nums; }
/* Összehasonlítás */
.comparison-section { background: var(--white); }
.comparison-top { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.08fr) minmax(170px,.42fr); align-items: stretch; gap: clamp(28px, 3.5vw, 54px); }
.comparison-intro .section-index { margin-bottom: 26px; }
.comparison-intro h2 { font-size: clamp(54px, 5vw, 76px); }
.comparison-intro > p:last-child { max-width: 590px; margin-top: 24px; }
.comparison-chart { display: flex; flex-direction: column; justify-content: center; padding: 4px clamp(24px, 2.7vw, 42px); border-right: 1px solid var(--line); border-left: 1px solid var(--line); }
.comparison-chart-heading { display: flex; flex-direction: column; margin-bottom: 34px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.comparison-chart-heading strong { color: var(--ink); font-size: 12px; letter-spacing: .12em; }
.metric-row { display: grid; grid-template-columns: minmax(118px,.58fr) minmax(0,1.42fr); align-items: center; gap: 18px; }
.metric-row + .metric-row { margin-top: 32px; }
.metric-row p { color: var(--ink); font-family: "Instrument Serif", Georgia, serif; font-size: 18px; line-height: 1.05; }
.metric-row p span { font-size: 16px; }
.metric-bar { width: 100%; height: 62px; display: grid; align-items: center; gap: 0; padding: 0; }
.metric-bar strong { padding-left: 20px; font-family: "Instrument Serif", Georgia, serif; font-size: clamp(32px, 3vw, 45px); font-weight: 400; line-height: 1; font-variant-numeric: tabular-nums; }
.metric-bar span { justify-self: center; font-size: 13px; white-space: nowrap; }
.metric-bar-eco { grid-template-columns: 78% 22%; background: linear-gradient(90deg, var(--forest) 0 78%, #e8e8e4 78%); color: var(--white); }
.metric-bar-eco span { color: var(--forest); transform: translateX(4px); }
.metric-bar-coal { grid-template-columns: 65% 35%; background: linear-gradient(90deg, #c8c6bf 0 65%, #ecebe7 65%); color: var(--ink); }
.comparison-highlight { align-self: center; }
.comparison-highlight > span, .comparison-highlight small { display: block; color: var(--muted); font-size: 11px; letter-spacing: .15em; }
.comparison-highlight strong { display: block; margin: 7px 0 13px; color: var(--forest); font-family: "Instrument Serif", Georgia, serif; font-size: clamp(62px, 6.5vw, 94px); font-weight: 400; line-height: .95; }
.comparison-highlight p { color: var(--muted); font-size: 14px; font-weight: 600; letter-spacing: .08em; line-height: 1.45; text-transform: uppercase; }
.comparison-highlight small { margin-top: 16px; font-size: 9px; letter-spacing: .08em; }
.comparison-gallery { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); align-items: start; gap: clamp(24px, 3vw, 46px); margin-top: clamp(52px, 6vw, 82px); }
.comparison-benefit img { width: 100%; height: clamp(180px, 15vw, 230px); object-fit: cover; }
.comparison-benefit > span { display: block; margin-top: 18px; color: #79a51d; font-size: 17px; font-weight: 700; font-variant-numeric: tabular-nums; }
.comparison-benefit h3 { margin-top: 11px; font-size: clamp(27px, 2.2vw, 34px); line-height: 1.03; }
.comparison-benefit p { margin-top: 15px; font-size: 15px; line-height: 1.55; }

/* Fenntarthatóság */
.sustainability-section { min-height: 660px; position: relative; isolation: isolate; display: flex; align-items: center; overflow: hidden; background: #4c5c3b; }
.sustainability-image { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.sustainability-card { width: min(680px, 49%); margin-right: auto; padding: 46px; background: rgba(247,246,241,.95); border-radius: var(--radius); }
.sustainability-card .section-index { margin-bottom: 22px; }
.sustainability-card h2 { font-size: clamp(44px, 3.5vw, 52px); }
.sustainability-title-line { display: block; white-space: nowrap; }
.sustainability-card > p:not(.section-index) { margin-top: 24px; }
.sustainability-card .button { margin-top: 30px; }

/* Kapcsolat */
.contact-section { display: grid; grid-template-columns: minmax(0,.95fr) minmax(0,1.05fr); gap: clamp(45px, 5vw, 76px); }
.contact-copy { display: flex; flex-direction: column; }
.contact-copy .section-index { margin-bottom: 22px; }
.contact-copy h2 { font-size: clamp(40px, 4vw, 60px); white-space: nowrap; }
.contact-visual { height: clamp(190px, 18vw, 255px); margin-top: auto; overflow: hidden; border-radius: 10px; background: #e7ebe5; }
.contact-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center 64%; }
.contact-copy > p:not(.section-index) { margin-top: 25px; }
.contact-copy address { display: flex; flex-direction: column; gap: 32px; margin-top: 48px; overflow-wrap: anywhere; font-size: 17px; font-style: normal; }
.contact-method { display: grid; grid-template-columns: 54px minmax(0,1fr); align-items: center; gap: 17px; }
.contact-method:last-child { align-items: start; }
.contact-method > div { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.contact-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; background: #dfeadf; color: var(--forest); }
.contact-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.contact-method small { color: var(--ink); font-size: 13px; font-weight: 700; letter-spacing: .14em; }
.contact-method a { color: var(--forest); font-weight: 600; }
.contact-method div > span { color: var(--muted); }
#quote-form { padding: 40px; background: var(--forest); color: var(--white); border-radius: var(--radius); }
#quote-form h3 { font-size: 42px; }
#quote-form > p:first-of-type { margin: 13px 0 26px; color: #e7eee9; }
#quote-form label { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; color: var(--white); font-size: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
input, select, textarea { width: 100%; min-width: 0; padding: 12px 13px; border: 1px solid #dfe1da; border-radius: 3px; background: var(--paper); color: var(--ink); font-size: 16px; line-height: 1.5; }
textarea { min-height: 125px; resize: vertical; }
.consent { flex-direction: row !important; align-items: flex-start; color: #e5eae6 !important; line-height: 1.55; }
.consent input { width: 18px; height: 18px; flex-shrink: 0; margin-top: 4px; accent-color: var(--lime); }
.consent a { text-decoration: underline; }
.button-submit { width: 100%; border-color: var(--lime); background: var(--lime); color: var(--forest-deep); }
.button-submit:hover { border-color: var(--white); background: var(--white); color: var(--forest); }
.form-note, #form-status { margin-top: 14px; color: #dce5df; font-size: 12px; }
#email-fallback { margin-top: 14px; border-color: var(--white); color: var(--white); }

/* Lábléc */
footer { padding: 42px 0 22px; border-top: 1px solid var(--line); background: var(--cream); }
.footer-main, .footer-bottom { width: min(1500px, calc(100% - var(--page-gutter) - var(--page-gutter))); margin-right: auto; margin-left: auto; }
.footer-main { display: grid; grid-template-columns: 1.05fr 1.35fr .75fr 1.15fr; align-items: start; gap: clamp(34px,3.5vw,58px); }
.footer-brand > a { display: inline-block; }
.footer-brand img { width: min(235px,100%); height: auto; }
.footer-brand p { max-width: 300px; margin-top: 10px; font-size: 14px; }
.footer-contact { display: flex; min-width: 0; flex-direction: column; align-items: flex-start; gap: 11px; color: #4f5752; font-size: 17px; font-style: normal; line-height: 1.45; overflow-wrap: anywhere; }
.footer-contact strong, .footer-link-section > strong { display: block; color: var(--forest); font-size: 15px; font-weight: 600; letter-spacing: .08em; line-height: 1.4; }
.footer-contact strong { margin-bottom: 4px; }
.footer-link-section > strong { margin-bottom: 15px; }
.footer-contact a { color: #3f4742; transition: color .2s ease; }
.footer-contact a:hover { color: var(--forest); }
.footer-contact small { color: #4f5752; font-size: 17px; }
.footer-navigation, .footer-link-columns { display: contents; }
.footer-link-section { min-width: 0; }
.footer-link-group { display: flex; min-width: 0; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-link-group a, .footer-link-group button { padding: 0; border: 0; background: transparent; color: #4f5752; font-size: 17px; line-height: 1.45; text-align: left; transition: color .2s ease; }
.footer-link-group a:hover, .footer-link-group button:hover { color: var(--forest); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

.cookie-banner { position: fixed; right: 16px; bottom: 16px; left: 16px; z-index: 20; width: min(1120px, calc(100% - 32px)); display: flex; align-items: center; justify-content: space-between; gap: 30px; margin: auto; padding: 20px 24px; border: 1px solid #b9beb8; border-radius: 4px; background: rgba(247,246,241,.97); box-shadow: 0 16px 45px rgba(23,34,29,.22); backdrop-filter: blur(14px); }
.cookie-banner strong { font-size: 14px; }
.cookie-banner p { max-width: 680px; margin-top: 4px; font-size: 12px; }
.cookie-actions { display: flex; flex-shrink: 0; gap: 10px; }
.cookie-actions .button { min-height: 42px; padding: 8px 15px; font-size: 13px; }

.motion-ready .reveal.is-visible { animation: section-enter .65s ease both; }
@keyframes section-enter { from { opacity: .58; transform: translateY(14px); } to { opacity: 1; transform: none; } }

@media (max-width: 1100px) {
  .header { padding: 0 var(--page-gutter); }
  .header nav { gap: 18px; }
  .hero { min-height: 620px; }
  .hero-content { width: 70%; }
  .section { padding-right: var(--page-gutter); padding-left: var(--page-gutter); }
  .intro-section { gap: 45px; }
  .intro-media { min-height: 500px; }
  .process-section { padding-right: 0; padding-left: 0; }
  .process-section .section-heading { padding: 0 var(--page-gutter); }
  .process-body { min-height: 300px; padding: 24px 20px 30px; }
  .technology-copy { padding-right: 28px; }
  .product-grid, .comparison-section, .contact-section { gap: 45px; }
  .comparison-top { grid-template-columns: minmax(0,.86fr) minmax(0,1.14fr); }
  .comparison-highlight { grid-column: 1 / -1; display: grid; grid-template-columns: auto auto minmax(0,1fr) auto; align-items: center; gap: 20px; padding-top: 26px; border-top: 1px solid var(--line); }
  .comparison-highlight strong { margin: 0; }
  .comparison-highlight small { margin-top: 0; text-align: right; }
  .comparison-gallery { grid-template-columns: repeat(3,minmax(0,1fr)); }
}

@media (max-width: 860px) {
  .header { min-height: 96px; }
  .brand-logo { width: 86px; height: 74px; }
  .header nav { position: absolute; top: 88px; right: 28px; left: 28px; z-index: 10; display: none; padding: 22px; border: 1px solid var(--line); background: var(--paper); }
  .header nav.is-open { display: flex; flex-direction: column; align-items: flex-start; }
  .menu-toggle { display: block; }
  .header-contact { display: none; }
  .hero-content { width: 78%; }
  .hero h1, .hero h2 { font-size: 60px; }
  .intro-section { grid-template-columns: 1fr; }
  .intro-media { min-height: 530px; }
  .problem-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 380px auto; }
  .problem-image { grid-column: 1 / -1; grid-row: 1; }
  .problem-statement { grid-column: 1; grid-row: 2; }
  .problem-detail { grid-column: 2; grid-row: 2; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .process-step:nth-child(3) .process-body::before { display: none; }
  .process-step:nth-child(n+3) { border-top: 1px solid var(--line); }
  .process-body { min-height: 245px; }
  .technology-section { grid-template-columns: 1fr; }
  .technology-copy { padding-right: 0; }
  .technology-figure { min-height: 430px; }
  .technology-figure img { min-height: 430px; }
  .technology-lower { grid-column: auto; height: auto; grid-template-columns: .75fr 1.25fr; }
  .technology-product { min-height: 420px; }
  .technology-specs { grid-template-columns: 1fr 1fr; }
  .technology-specs article { padding: 20px; }
  .technology-specs article:first-child { padding-left: 20px; }
  .technology-specs article:nth-child(even) { border-left: 1px solid rgba(255,255,255,.22); }
  .technology-specs article:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.22); }
  .technology-specs article:nth-child(3) { border-left: 0; }
  .product-grid { grid-template-columns: 1fr; gap: 34px; margin-bottom: 0; }
  .product-shot { height: auto; }
  .product-info-column { position: static; width: min(100%, 620px); height: auto; display: flex; flex-direction: column; justify-self: center; }
  .product-details { height: auto; }
  .product-cta { position: static; align-self: center; margin-top: 22px; transform: none; }
  .product-cta:active { transform: translateY(1px); }
  .product-shot img { height: 570px; }
  .product-details h3 { white-space: normal; }
  .comparison-top { grid-template-columns: 1fr; }
  .comparison-chart { padding: 32px 0; border-top: 1px solid var(--line); border-right: 0; border-bottom: 1px solid var(--line); border-left: 0; }
  .comparison-highlight { grid-column: auto; }
  .sustainability-card { width: min(540px, 56%); }
  .contact-section { grid-template-columns: 1fr; }
  .contact-visual { margin-top: 38px; }
  .contact-copy address { display: grid; grid-template-columns: 1fr 1fr; }
  .contact-method:last-child { grid-column: 1 / -1; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-navigation { display: block; }
  .footer-link-columns { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; }
}

@media (max-width: 600px) {
  :root { --page-gutter: 18px; }
  body { font-size: 17px; }
  .site-shell { width: 100%; margin: 0; }
  .header { min-height: 90px; padding: 0 18px; }
  .header nav { top: 82px; right: 18px; left: 18px; }
  .brand-logo { width: 77px; height: 68px; }
  .header-actions { gap: 15px; }
  .hero { min-height: 650px; margin: 0 var(--page-gutter); }
  .hero-slide { padding: 44px 22px 82px; }
  .hero-content, .hero-content-right { width: 100%; margin: 0; }
  .hero h1, .hero h2 { font-size: clamp(46px, 14vw, 58px); }
  .hero-content > p:not(.eyebrow) { margin-top: 20px; }
  .hero-buttons { margin-top: 24px; }
  .hero-buttons .button { padding: 10px 14px; font-size: 14px; }
  .hero-pagination { right: 20px; bottom: 20px; }
  .hero-product-image { object-position: 48% center; }
  .hero-shade, .hero-shade-product { background: linear-gradient(0deg, rgba(5,15,11,.94) 0%, rgba(5,15,11,.62) 56%, rgba(5,15,11,.08) 100%); }
  .usp-strip { grid-template-columns: 1fr; margin: 18px var(--page-gutter) 0; padding: 12px 22px; border-radius: 12px; }
  .usp-strip article, .usp-strip article:first-child { display: grid; grid-template-columns: 1.05fr .95fr; gap: 6px 16px; align-items: center; padding: 24px 0; text-align: left; }
  .usp-strip article + article { border-top: 1px solid var(--line); border-left: 0; }
  .usp-strip strong { grid-row: 1; justify-content: flex-start; margin: 0; font-size: clamp(47px, 14vw, 58px); }
  .usp-strip strong small { font-size: 13px; }
  .usp-strip p { grid-column: 2; margin: 0; font-size: 11px; }
  .section { padding: 74px 18px; }
  .section h2 { font-size: 43px; }
  .section h3 { font-size: 28px; }
  .section-heading { margin-bottom: 36px; }
  .section-heading > p:last-child { max-width: none; margin-top: 18px; }
  .intro-section { gap: 36px; }
  .intro-copy .lead { font-size: 25px; }
  .intro-media { min-height: 470px; }
  .intro-main-image { inset: 0 0 95px 32px; }
  .year-panel { width: min(285px, 88%); padding: 27px; }
  .year-panel span { font-size: 58px; }
  .problem-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: auto; }
  .problem-image { grid-column: auto; grid-row: auto; height: 340px; }
  .problem-statement, .problem-detail { grid-column: auto; grid-row: auto; }
  .problem-detail { height: 270px; }
  .problem-statement { padding: 28px 24px; }
  .solution-visual img { min-height: 330px; object-position: center; }
  .solution-notes { grid-template-columns: 1fr; }
  .solution-notes article, .solution-notes article:first-child { padding: 24px 0; }
  .solution-notes article + article { border-top: 1px solid var(--line); border-left: 0; }
  .process-section { padding-right: 0; padding-left: 0; }
  .process-section .section-heading { padding: 0 18px; }
  .process-grid { grid-template-columns: 1fr; border-bottom: 0; }
  .process-step + .process-step, .process-step:nth-child(3) { border-top: 1px solid var(--line); }
  .process-step + .process-step .process-body::before { display: none; }
  .process-photo { aspect-ratio: 1 / .72; }
  .process-body { min-height: 0; padding: 24px 18px 34px; }
  .technology-section { gap: 16px; }
  .technology-figure, .technology-figure img { min-height: 300px; }
  .technology-figure figcaption { right: 10px; bottom: 10px; max-width: 300px; padding: 10px 12px; font-size: 16px; }
  .technology-lower { grid-template-columns: 1fr; }
  .technology-product, .technology-product img { min-height: 260px; }
  .technology-data { padding: 28px 20px 24px; }
  .technology-specs { grid-template-columns: 1fr; }
  .technology-specs article, .technology-specs article:first-child { padding: 20px 0; }
  .technology-specs article + article, .technology-specs article:nth-child(3) { border-top: 1px solid rgba(255,255,255,.22); border-left: 0; }
  .product-shot img { height: 430px; }
  .product-shot figcaption { flex-direction: column; gap: 4px; }
  .product-details { padding: 26px 20px; }
  .product-details h3 { font-size: 34px; }
  .use-cases { display: block; }
  .use-cases span { display: block; padding: 7px 0; }
  .use-cases span + span { border-top: 1px solid #c4c0b7; border-left: 0; }
  .comparison-top { gap: 38px; }
  .comparison-chart { padding: 28px 0; }
  .comparison-chart-heading { margin-bottom: 27px; }
  .metric-row { grid-template-columns: 1fr; gap: 10px; }
  .metric-row + .metric-row { margin-top: 28px; }
  .metric-bar { height: 58px; }
  .comparison-highlight { display: block; text-align: center; }
  .comparison-highlight strong { margin: 8px 0 14px; }
  .comparison-highlight small { margin-top: 13px; text-align: center; }
  .comparison-gallery { grid-template-columns: 1fr; gap: 42px; margin-top: 52px; }
  .comparison-benefit img { height: 210px; }
  .comparison-benefit h3 { font-size: 31px; }
  .sustainability-section { min-height: 760px; align-items: flex-end; padding: 300px 14px 76px; }
  .sustainability-card { width: 100%; padding: 27px 23px; }
  .sustainability-card h2 { font-size: 41px; }
  .sustainability-title-line { white-space: normal; }
  .sustainability-image { object-position: 68% center; }
  .contact-section { gap: 36px; }
  .contact-copy h2 { white-space: normal; }
  .contact-visual { height: 210px; }
  .contact-copy address { display: flex; font-size: 16px; }
  .contact-method:last-child { grid-column: auto; }
  .contact-method { grid-template-columns: 50px minmax(0,1fr); gap: 14px; }
  .contact-icon { width: 50px; height: 50px; }
  #quote-form { padding: 27px 20px; }
  #quote-form h3 { font-size: 36px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  footer { padding: 36px 0 22px; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
  .footer-brand { grid-column: auto; }
  .footer-brand img { width: min(220px,100%); }
  .footer-bottom { flex-direction: column; gap: 5px; margin-top: 42px; padding-top: 17px; }
  .cookie-banner { flex-direction: column; align-items: flex-start; gap: 14px; padding: 17px; }
  .cookie-actions { width: 100%; }
  .cookie-actions .button { flex: 1; }
}

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