:root {
  --ink: #071722;
  --ink-2: #102a38;
  --paper: #f5f7f8;
  --white: #ffffff;
  --cyan: #20b8d6;
  --cyan-dark: #087e98;
  --green: #76a51a;
  --red: #ef3d28;
  --magenta: #c71e50;
  --text: #18303c;
  --muted: #607681;
  --line: #d9e1e4;
  --shell: 1180px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--paper); font-family: Inter, "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.55; overflow-x: clip; }
body.menu-open { overflow: hidden; }
main section[id], footer[id] { scroll-margin-top: 90px; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: inherit; line-height: 1.05; letter-spacing: 0; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.section-band { padding: 104px 0; }
.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; }
.skip-link { position: fixed; top: -100px; left: 8px; z-index: 1000; padding: 10px 14px; background: white; }
.skip-link:focus { top: 8px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; color: white; background: rgba(7,23,34,.92); border-bottom: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(12px); }
.header-inner { min-height: 82px; display: grid; grid-template-columns: 240px 1fr auto; align-items: center; gap: 30px; }
.brand { width: 220px; }
.brand img { width: 100%; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 30px; }
.main-nav a { color: rgba(255,255,255,.78); font-size: .92rem; font-weight: 700; }
.main-nav a:hover, .main-nav a:focus-visible { color: white; }
.menu-button { display: none; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; color: white; }
.menu-button span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: currentColor; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 0 22px; border: 1px solid transparent; border-radius: 4px; font-weight: 800; text-align: center; }
.button-primary, .header-cta { color: #03141b; background: var(--cyan); }
.button-primary:hover, .header-cta:hover { background: #5ad4e9; }
.button-ghost { color: white; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.4); }
.button-light { color: var(--ink); background: white; }
.button-outline { color: var(--ink); background: white; border-color: #9eafb7; }
.button-outline:hover { border-color: var(--ink); }

.hero { position: relative; min-height: 760px; display: grid; align-items: center; color: white; background: var(--ink); overflow: hidden; }
.hero-media { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(5,21,31,.98) 0%, rgba(5,21,31,.9) 43%, rgba(5,21,31,.28) 73%), url("assets/esco-technical-operations.webp"); background-size: cover; background-position: center; }
.hero-content { position: relative; z-index: 1; padding-top: 142px; padding-bottom: 64px; }
.eyebrow, .kicker { color: var(--cyan); font-size: .76rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 12px; }
.eyebrow::before { content: ""; width: 32px; height: 2px; background: currentColor; }
.hero h1 { width: min(690px, 62%); margin-bottom: 24px; font-size: 64px; font-weight: 760; }
.hero-lead { width: min(620px, 58%); color: rgba(255,255,255,.76); font-size: 1.12rem; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.hero-proof { width: min(630px, 62%); display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; margin-top: 54px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.18); }
.hero-proof div { min-height: 86px; padding: 18px; background: rgba(7,23,34,.78); }
.hero-proof strong, .hero-proof span { display: block; }
.hero-proof strong { font-size: 1.2rem; }
.hero-proof span { margin-top: 4px; color: rgba(255,255,255,.58); font-size: .8rem; }

.brand-strip { background: white; border-bottom: 1px solid var(--line); }
.brand-strip-inner { min-height: 118px; display: grid; grid-template-columns: 1.3fr repeat(3,1fr); align-items: center; gap: 42px; }
.strip-label { color: var(--muted); font-size: .75rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.brand-strip a { height: 64px; display: grid; place-items: center; border-left: 1px solid var(--line); }
.brand-strip img { max-width: 158px; max-height: 54px; object-fit: contain; }
.mutlusan-wordmark { width: 160px; height: 54px; display: block; background-color: white; background-image: url("assets/mutlusan-knx-logo.webp"); background-repeat: no-repeat; background-size: 260px 260px; background-position: -96px -103px; }

.section-heading { max-width: 470px; }
.section-heading h2, .section-topline h2, .trust h2, .quote h2 { margin-bottom: 22px; font-size: 46px; }
.section-heading > p:last-child, .section-topline > p, .trust-copy > p, .quote-copy > p { color: var(--muted); }
.selector { background: var(--paper); }
.selector-intro { display: grid; grid-template-columns: 1fr .72fr; gap: 10%; align-items: end; margin-bottom: 42px; }
.selector-intro h2 { max-width: 680px; margin-bottom: 0; font-size: 46px; }
.selector-intro > p { margin-bottom: 4px; color: var(--muted); }
.selector-workspace { overflow: hidden; border: 1px solid var(--line); background: white; }
.selector-progress { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; border-bottom: 1px solid var(--line); }
.selector-progress li { min-height: 78px; display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-right: 1px solid var(--line); color: #778991; background: #f9fbfb; }
.selector-progress li:last-child { border-right: 0; }
.selector-progress span { font-size: .72rem; font-weight: 900; }
.selector-progress strong { font-size: .86rem; }
.selector-progress li.active { color: var(--ink); background: white; box-shadow: inset 0 -4px 0 var(--cyan); }
.selector-progress li.complete { color: #315000; background: #f2f6e9; }
.selector-main { display: grid; grid-template-columns: minmax(0, 1fr) 310px; }
.selector-form { min-width: 0; padding: 36px; }
.selector-help { padding: 36px 30px; color: white; background: var(--ink-2); }
.selector-help > span { color: var(--cyan); font-size: .7rem; font-weight: 900; letter-spacing: .1em; }
.selector-help h3 { margin: 16px 0 14px; font-size: 1.55rem; }
.selector-help p { color: rgba(255,255,255,.68); }
.selector-help ul { margin: 28px 0 0; padding: 0; list-style: none; }
.selector-help li { position: relative; padding: 14px 0 14px 22px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.82); font-size: .86rem; }
.selector-help li::before { content: ""; position: absolute; top: 22px; left: 2px; width: 7px; height: 7px; background: var(--cyan); }
.selector-step-head { margin-bottom: 26px; }
.selector-step-head > span { color: var(--cyan-dark); font-size: .7rem; font-weight: 900; letter-spacing: .1em; }
.selector-step-head h3 { margin: 10px 0 8px; font-size: 1.8rem; }
.selector-step-head p { max-width: 690px; margin-bottom: 0; color: var(--muted); }
.category-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 0; padding: 0; border: 0; }
.category-options label { position: relative; min-width: 0; }
.category-options input { position: absolute; opacity: 0; pointer-events: none; }
.category-options label > span { min-height: 132px; display: flex; flex-direction: column; justify-content: center; padding: 20px; border: 1px solid var(--line); background: #fbfcfc; cursor: pointer; }
.category-options label > span:hover { border-color: #8da0a9; }
.category-options input:focus-visible + span { outline: 3px solid rgba(32,184,214,.24); outline-offset: 2px; }
.category-options input:checked + span { border-color: var(--cyan-dark); background: #f0fbfd; box-shadow: inset 4px 0 0 var(--cyan); }
.category-options small { margin-bottom: 8px; color: var(--cyan-dark); font-size: .7rem; font-weight: 900; letter-spacing: .09em; }
.category-options strong { font-size: 1.08rem; }
.category-options em { margin-top: 4px; color: var(--muted); font-size: .82rem; font-style: normal; }
.selector-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.selector-fields label { display: grid; gap: 8px; color: #314b57; font-size: .84rem; font-weight: 800; }
.selector-fields input, .selector-fields select { width: 100%; min-height: 50px; padding: 0 13px; border: 1px solid #a9b7bd; border-radius: 4px; color: var(--ink); background: white; }
.selector-fields input:focus, .selector-fields select:focus { outline: 3px solid rgba(32,184,214,.2); border-color: var(--cyan-dark); }
.document-options { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 0; padding: 0; border: 0; }
.document-options legend { width: 100%; margin-bottom: 8px; font-size: .84rem; font-weight: 800; }
.document-options label { position: relative; }
.document-options input { position: absolute; opacity: 0; }
.document-options span { min-height: 42px; display: inline-flex; align-items: center; padding: 0 14px; border: 1px solid var(--line); border-radius: 4px; background: #f8fafb; cursor: pointer; font-size: .83rem; font-weight: 800; }
.document-options input:checked + span { color: var(--ink); border-color: var(--cyan-dark); background: #eaf9fc; }
.document-options input:focus-visible + span { outline: 3px solid rgba(32,184,214,.2); }
.selector-error { margin: 20px 0 0; color: #a5281b; font-weight: 800; }
.selector-navigation { display: flex; justify-content: space-between; gap: 12px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.selector-navigation [data-selector-next] { margin-left: auto; min-width: 144px; }
.result-status { display: grid; grid-template-columns: 106px 1fr; gap: 20px; align-items: start; padding: 22px; border-left: 4px solid var(--cyan); background: #eef8fa; }
.result-status > span { padding: 7px 8px; color: white; background: var(--ink); font-size: .65rem; font-weight: 900; text-align: center; }
.result-status strong { font-size: 1.2rem; }
.result-status p { margin: 6px 0 0; color: var(--muted); font-size: .9rem; }
.result-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; margin-top: 28px; }
.result-columns h4 { margin: 0 0 12px; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.result-columns p, .result-columns li { color: var(--muted); font-size: .9rem; }
.result-missing { margin: 0; padding-left: 18px; }
.result-columns .text-link { display: inline-block; margin-top: 8px; }
.summary-label { display: grid; gap: 8px; margin-top: 26px; color: #314b57; font-size: .84rem; font-weight: 800; }
.summary-label textarea { width: 100%; padding: 14px; resize: vertical; border: 1px solid #a9b7bd; border-radius: 4px; color: var(--ink); background: #fbfcfc; font-family: Consolas, "Courier New", monospace; font-size: .82rem; line-height: 1.5; }
.result-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 18px; }
.result-actions .text-button { margin-left: 8px; }
.copy-feedback { min-height: 24px; margin: 10px 0 0; color: #315000; font-size: .84rem; font-weight: 800; }
.catalog-search { margin-top: 24px; border: 1px solid var(--line); background: white; }
.catalog-search summary { padding: 20px 24px; cursor: pointer; font-weight: 900; }
.catalog-search[open] summary { border-bottom: 1px solid var(--line); }
.catalog-search .finder-tool { padding: 26px; }
.finder { background: var(--paper); }
.finder-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 9%; align-items: start; }
.finder-tool { min-width: 0; }
.finder-tool > label { display: block; margin-bottom: 8px; font-size: .86rem; font-weight: 800; }
.search-row { position: relative; }
.search-row input { width: 100%; height: 58px; padding: 0 54px 0 18px; border: 1px solid #9eafb7; border-radius: 4px; background: white; color: var(--ink); }
.search-row input:focus { outline: 3px solid rgba(32,184,214,.2); border-color: var(--cyan-dark); }
.search-clear { position: absolute; top: 7px; right: 7px; width: 44px; height: 44px; border: 0; background: transparent; color: var(--muted); font-size: 1.6rem; }
.brand-filter { display: flex; gap: 0; margin: 14px 0 18px; overflow-x: auto; }
.brand-filter button { min-height: 42px; padding: 0 16px; border: 1px solid var(--line); border-right: 0; background: white; color: var(--muted); font-weight: 800; white-space: nowrap; }
.brand-filter button:first-child { border-radius: 4px 0 0 4px; }
.brand-filter button:last-child { border-right: 1px solid var(--line); border-radius: 0 4px 4px 0; }
.brand-filter button.active { color: white; background: var(--ink); border-color: var(--ink); }
.result-count { margin-bottom: 8px; color: var(--muted); font-size: .82rem; }
.product-results { border-top: 1px solid var(--line); }
.product-result { display: grid; grid-template-columns: 100px 1fr auto; gap: 20px; align-items: center; min-height: 94px; border-bottom: 1px solid var(--line); }
.product-result .brand-tag { color: var(--cyan-dark); font-size: .72rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.product-result h3 { margin: 0 0 4px; font-size: 1.05rem; }
.product-result p { margin: 0; color: var(--muted); font-size: .86rem; }
.product-result a { font-weight: 900; color: var(--ink); }
.empty-state { padding: 28px; border: 1px solid var(--line); background: white; }
.empty-state p { color: var(--muted); }
.text-button, .text-link { padding: 0; border: 0; border-bottom: 2px solid var(--cyan); background: transparent; color: var(--ink); font-weight: 900; }

.comparison { background: white; }
.comparison-tabs { display: flex; overflow-x: auto; border-bottom: 1px solid var(--line); }
.comparison-tabs button { min-width: 120px; min-height: 50px; padding: 0 20px; border: 0; border-bottom: 4px solid transparent; color: var(--muted); background: transparent; font-weight: 900; white-space: nowrap; }
.comparison-tabs button.active { color: var(--ink); border-bottom-color: var(--cyan); }
.comparison-panel { min-height: 320px; display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 54px; padding-top: 34px; }
.comparison-heading h3 { margin-bottom: 14px; font-size: 1.7rem; }
.comparison-heading p { color: var(--muted); }
.comparison-table-wrap { overflow-x: auto; }
.comparison table { width: 100%; min-width: 630px; border-collapse: collapse; }
.comparison th, .comparison td { padding: 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison th { color: var(--muted); background: #f7f9fa; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }
.comparison td:first-child { color: var(--ink); font-weight: 900; }
.comparison td { font-size: .9rem; }

.examples { background: #eef2f3; }
.example-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.example-grid article { min-width: 0; min-height: 310px; display: flex; flex-direction: column; padding: 26px; background: white; }
.example-grid article > span { color: var(--cyan-dark); font-size: .7rem; font-weight: 900; letter-spacing: .1em; }
.example-grid h3 { margin: 18px 0 12px; font-size: 1.4rem; }
.example-grid p { color: var(--muted); font-size: .9rem; }
.example-grid button { align-self: flex-start; margin-top: auto; padding: 0 0 3px; border: 0; border-bottom: 2px solid var(--cyan); color: var(--ink); background: transparent; font-weight: 900; }

.solutions { background: white; }
.section-topline { display: grid; grid-template-columns: 1fr .72fr; gap: 10%; align-items: end; margin-bottom: 50px; }
.section-topline > p { max-width: 530px; }
.solution-list { border-top: 1px solid var(--line); }
.solution-row { position: relative; min-height: 136px; display: grid; grid-template-columns: 72px 1fr 190px 70px; gap: 24px; align-items: center; border-bottom: 1px solid var(--line); }
.solution-row::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--cyan); opacity: 0; }
.solution-row:hover::before, .solution-row:focus-visible::before { opacity: 1; }
.sigma-row::before { background: var(--green); }
.gewiss-row::before { background: var(--red); }
.mutlusan-row::before { background: var(--magenta); }
.solution-index { color: #9aaab1; font-size: .82rem; font-weight: 900; }
.solution-row strong { font-size: 1.45rem; }
.solution-row p { margin: 6px 0 0; color: var(--muted); }
.solution-brand { color: var(--muted); font-size: .74rem; font-weight: 900; letter-spacing: .08em; }
.solution-link { font-weight: 900; text-align: right; }

.trust { color: white; background: var(--ink-2); }
.trust-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 9%; align-items: start; }
.trust-copy > p { color: rgba(255,255,255,.65); }
.trust .text-link { display: inline-block; margin-top: 18px; color: white; }
.trust-list { border-top: 1px solid rgba(255,255,255,.18); }
.trust-list a { min-height: 112px; display: grid; grid-template-columns: 12px 1fr auto; gap: 22px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.18); }
.trust-list p { margin: 5px 0 0; color: rgba(255,255,255,.58); }
.trust-list a > span:last-child { color: rgba(255,255,255,.66); font-size: .8rem; font-weight: 800; }
.trust-mark { width: 4px; height: 48px; background: var(--cyan); }
.sigma-mark { background: var(--green); }
.gewiss-mark { background: var(--red); }
.mutlusan-mark { background: var(--magenta); }

.operations { position: relative; min-height: 650px; display: grid; align-items: center; color: white; overflow: hidden; }
.operations-media { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(4,17,26,.95) 0%, rgba(4,17,26,.74) 45%, rgba(4,17,26,.12) 78%), url("assets/esco-technical-operations.webp"); background-size: cover; background-position: center; }
.operations-content { position: relative; z-index: 1; }
.operations h2 { max-width: 680px; margin-bottom: 22px; font-size: 54px; }
.operations p:not(.kicker) { max-width: 580px; color: rgba(255,255,255,.74); }
.operations .button { margin-top: 20px; }

.quote { color: white; background: #09212d; }
.quote-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 9%; align-items: start; }
.quote-copy > p { color: rgba(255,255,255,.66); }
.direct-contact { display: grid; gap: 1px; margin-top: 34px; background: rgba(255,255,255,.14); }
.direct-contact a { padding: 18px; background: #09212d; }
.direct-contact span, .direct-contact strong { display: block; }
.direct-contact span { color: rgba(255,255,255,.54); font-size: .72rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.direct-contact strong { margin-top: 5px; }
.quote-form { padding: 34px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.05); }
.quote-selection { position: relative; margin-bottom: 20px; padding: 14px 88px 14px 16px; border-left: 4px solid var(--cyan); background: rgba(32,184,214,.12); }
.quote-selection span, .quote-selection strong { display: block; }
.quote-selection span { color: var(--cyan); font-size: .64rem; font-weight: 900; letter-spacing: .08em; }
.quote-selection strong { margin-top: 4px; font-size: .92rem; }
.quote-selection button { position: absolute; top: 50%; right: 14px; padding: 4px 0; transform: translateY(-50%); border: 0; border-bottom: 1px solid var(--cyan); color: white; background: transparent; font-size: .78rem; font-weight: 800; }
.quote-form label { display: grid; gap: 8px; margin-bottom: 18px; color: rgba(255,255,255,.78); font-size: .84rem; font-weight: 800; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.quote-form input, .quote-form textarea { width: 100%; padding: 13px 14px; border: 1px solid rgba(255,255,255,.28); border-radius: 4px; color: white; background: rgba(0,0,0,.16); }
.quote-form input { height: 50px; }
.quote-form input:focus, .quote-form textarea:focus { outline: 3px solid rgba(32,184,214,.22); border-color: var(--cyan); }
.form-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.button-whatsapp { color: #041b0b; background: #25d366; }
.button-email { color: #041820; background: var(--cyan); }
.form-error { color: #ffb4ac; }
.quote-form small { display: block; margin-top: 14px; color: rgba(255,255,255,.5); }

.site-footer { padding: 70px 0 28px; color: white; background: #031018; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3,1fr); gap: 50px; }
.footer-brand img { width: 230px; }
.footer-brand p { max-width: 320px; margin-top: 20px; color: rgba(255,255,255,.58); }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 10px; }
.footer-grid strong { margin-bottom: 10px; }
.footer-grid a, .footer-grid span { color: rgba(255,255,255,.65); font-size: .9rem; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 60px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.46); font-size: .8rem; }
.floating-whatsapp { position: fixed; right: 20px; bottom: 20px; z-index: 50; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; color: #05200d; background: #25d366; box-shadow: 0 12px 30px rgba(0,0,0,.24); font-size: .72rem; font-weight: 900; }
.floating-whatsapp svg { width: 25px; height: 25px; fill: currentColor; }
.mobile-contact-bar { display: none; }

@media (max-width: 980px) {
  .header-inner { grid-template-columns: 1fr auto auto; }
  .menu-button { display: block; order: 2; }
  .header-cta { order: 3; }
  .main-nav { position: fixed; inset: 82px 0 auto; display: none; padding: 28px 24px 34px; align-items: flex-start; flex-direction: column; background: rgba(7,23,34,.98); border-top: 1px solid rgba(255,255,255,.12); }
  .main-nav.open { display: flex; }
  .main-nav a { font-size: 1.1rem; }
  .hero h1 { width: min(700px, 75%); }
  .hero-lead, .hero-proof { width: min(620px, 72%); }
  .brand-strip-inner { grid-template-columns: repeat(3,1fr); padding: 20px 0; }
  .strip-label { grid-column: 1 / -1; }
  .brand-strip a:first-of-type { border-left: 0; }
  .finder-layout, .trust-layout, .quote-layout { grid-template-columns: 1fr; gap: 48px; }
  .selector-intro, .selector-main, .comparison-panel { grid-template-columns: 1fr; }
  .selector-intro { gap: 20px; }
  .selector-main { grid-template-columns: 1fr; }
  .selector-help { min-height: auto; }
  .comparison-panel { gap: 22px; }
  .example-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading { max-width: 720px; }
  .footer-grid { grid-template-columns: 1.5fr repeat(2,1fr); }
  .footer-grid > div:last-child { grid-column: 2 / -1; }
}

@media (max-width: 680px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .section-band { padding: 72px 0; }
  .site-header { background: rgba(7,23,34,.98); }
  main section[id], footer[id] { scroll-margin-top: 78px; }
  .header-inner { min-height: 72px; grid-template-columns: 1fr 44px; gap: 8px; }
  .brand { width: 178px; }
  .menu-button { order: initial; justify-self: end; }
  .header-cta { display: none; }
  .main-nav { inset: 72px 0 auto; }
  .hero { min-height: 710px; align-items: end; }
  .hero-media { background-image: linear-gradient(180deg, rgba(5,21,31,.72) 0%, rgba(5,21,31,.9) 48%, rgba(5,21,31,1) 100%), url("assets/esco-technical-operations.webp"); background-position: 63% center; }
  .hero-content { width: min(calc(100% - 28px), var(--shell)); padding-top: 116px; padding-bottom: 40px; }
  .hero h1 { width: 100%; max-width: 360px; margin-bottom: 20px; font-size: 40px; overflow-wrap: break-word; }
  .hero-lead { width: 100%; font-size: 1rem; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-proof { width: 100%; grid-template-columns: 1fr; margin-top: 30px; }
  .hero-proof div { min-height: 64px; display: grid; grid-template-columns: 100px 1fr; align-items: center; gap: 10px; padding: 12px 16px; }
  .hero-proof span { margin-top: 0; }
  .brand-strip-inner { grid-template-columns: 1fr; gap: 0; padding: 26px 0; }
  .strip-label { grid-column: auto; margin-bottom: 16px; }
  .brand-strip a { min-height: 78px; border-left: 0; border-top: 1px solid var(--line); }
  .section-heading h2, .section-topline h2, .selector-intro h2, .trust h2, .quote h2, .operations h2 { font-size: 36px; }
  .selector-progress { grid-auto-flow: column; grid-template-columns: none; grid-auto-columns: 150px; overflow-x: auto; }
  .selector-progress li { min-height: 68px; padding: 12px 14px; }
  .selector-form, .selector-help { padding: 24px 18px; }
  .selector-step-head h3 { font-size: 1.48rem; }
  .category-options, .selector-fields, .result-columns { grid-template-columns: 1fr; }
  .category-options label > span { min-height: 108px; }
  .result-status { grid-template-columns: 1fr; }
  .result-actions { align-items: stretch; flex-direction: column; }
  .result-actions .text-button { align-self: flex-start; margin: 6px 0 0; }
  .catalog-search summary { padding: 18px; }
  .catalog-search .finder-tool { padding: 20px 18px; }
  .example-grid { grid-template-columns: 1fr; }
  .brand-filter { margin-right: -14px; padding-right: 14px; }
  .product-result { grid-template-columns: 1fr auto; gap: 12px; padding: 18px 0; }
  .product-result .brand-tag { grid-column: 1 / -1; }
  .product-result p { max-width: 245px; }
  .section-topline { grid-template-columns: 1fr; gap: 20px; }
  .solution-row { grid-template-columns: 36px 1fr; gap: 12px; padding: 24px 0; }
  .solution-brand { grid-column: 2; }
  .solution-link { display: none; }
  .trust-list a { grid-template-columns: 8px 1fr; padding: 18px 0; }
  .trust-list a > span:last-child { grid-column: 2; }
  .operations { min-height: 610px; align-items: end; }
  .operations-media { background-image: linear-gradient(180deg, rgba(4,17,26,.12), rgba(4,17,26,.94) 72%), url("assets/esco-technical-operations.webp"); background-position: 68% center; }
  .operations-content { padding-bottom: 54px; }
  .quote-form { padding: 24px 18px; }
  .field-grid, .form-actions { grid-template-columns: 1fr; gap: 0; }
  .form-actions { gap: 10px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
  body { padding-bottom: 58px; }
  .floating-whatsapp { display: none; }
  .mobile-contact-bar { position: fixed; inset: auto 0 0; z-index: 95; display: grid; grid-template-columns: repeat(3, 1fr); min-height: 58px; border-top: 1px solid #24404e; color: white; background: #071722; box-shadow: 0 -8px 22px rgba(0,0,0,.2); }
  .mobile-contact-bar a { display: grid; place-items: center; border-right: 1px solid #24404e; font-size: .82rem; font-weight: 900; }
  .mobile-contact-bar a:nth-child(2) { color: #041b0b; background: #25d366; }
  .mobile-contact-bar a:last-child { border-right: 0; }
}

@media (max-width: 390px) {
  .hero h1 { max-width: 340px; font-size: 38px; }
  .eyebrow { font-size: .69rem; letter-spacing: .09em; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:last-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }