/* MONO Energy: professional engineering presentation. */
:root {
  --ink: #122f3d;
  --muted: #586d78;
  --green: #087d93;
  --lime: #bce8eb;
  --paper: #f5f7f8;
  --light: #edf3f5;
  --line: #d8e2e7;
  --max: 1320px;
}
body { background: var(--paper); }
h1,h2,h3,h4 { letter-spacing: -.035em; }
h2 { font-size: clamp(32px,3.3vw,44px); line-height: 1.22; }
.section { padding-top: 80px; padding-bottom: 80px; }
.kicker { font-size: 10px; letter-spacing: .12em; }
.button { font-size: 13px; min-height: 50px; border-radius: 2px; }
.button:hover { transform: none; }
.text-link { font-size: 13px; }
.utility-bar { background: var(--ink); color: #d9e7ed; }
.utility-inner { height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.utility-contacts { display: flex; align-items: center; gap: 25px; }
.utility-contacts a { display: inline-flex; align-items: center; gap: 8px; font-size: 10px; line-height: 1.5; }
.utility-contacts svg { height: 12px; width: 12px; color: #8bc9d3; }
.utility-contacts a:hover { color: white; }
.utility-tag { font-size: 9px; letter-spacing: .07em; text-align: right; }
.site-header { background: #fff; backdrop-filter: none; box-shadow: 0 2px 10px #122f3d05; }
.header-inner { height: 84px; }
.header-nav>a,.nav-drop>summary { font-size: 13px; font-weight: 600; }
.brand-name { letter-spacing: -.04em; }
.drop-panel { border-radius: 2px; box-shadow: 0 14px 34px #122f3d12; }
.drop-panel a { font-size: 13px; line-height: 1.55; }
.hero-band { background: var(--ink); color: white; }
.hero-band .hero { padding-top: 52px; padding-bottom: 54px; gap: 58px; grid-template-columns: 1.05fr 1fr; }
.hero-copy { padding: 20px 0; }
.hero .kicker { color: #bddce4; font-size: 9px; line-height: 1.7; letter-spacing: .1em; margin-bottom: 25px; }
.hero .kicker:before { background: #7bc3d0; }
.hero h1 { font-size: clamp(43px,4.25vw,58px); line-height: 1.18; letter-spacing: -.04em; }
.hero .lead { color: #d0dfe6; font-size: 16px; line-height: 1.9; max-width: 510px; margin-top: 25px; margin-bottom: 30px; }
.hero .text-link { color: #eff7fa; border-color: #eff7fa80; font-size: 12px; }
.hero-location { color: #b4cbd5; font-size: 9px; margin-top: 34px; letter-spacing: .09em; }
.hero-image { min-height: 480px; border-radius: 2px; border: 1px solid #ffffff1a; }
.hero-image:after { background: linear-gradient(180deg,#122f3d08 45%,#071f2bd9); }
.photo-top { border-radius: 1px; top: 23px; left: 23px; font-size: 9px; letter-spacing: .05em; padding: 10px 13px; }
.photo-bottom { left: 28px; right: 28px; bottom: 27px; }
.photo-bottom h2 { font-size: 25px; max-width: 360px; line-height: 1.3; }
.photo-tags span { font-size: 9px; padding: 6px 8px; }
.photo-corner { display: none; }
.sector-strip { background: transparent; padding-top: 23px; padding-bottom: 23px; }
.sector-strip>.kicker { max-width: 180px; font-size: 9px; }
.sectors { font-size: 12px; gap: 30px; }
.section-top { gap: 65px; margin-bottom: 35px; }
.section-top>p { font-size: 15px; line-height: 1.9; max-width: 420px; }
.service-grid { display: grid; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 22px; }
.service-card { grid-column: span 4; min-height: 250px; border: 1px solid var(--line); padding: 26px; background: #fff; border-radius: 3px; transition: border-color .18s,box-shadow .18s; }
.service-card:nth-child(-n+4) { grid-column: span 6; min-height: 255px; }
.service-card:hover { border-color: #80b4bf; box-shadow: 0 8px 24px #122f3d07; }
.service-meta { margin-bottom: 20px; }
.service-icon { width: 38px; height: 38px; border: 0; border-radius: 3px; background: #eaf3f5; }
.service-icon svg { width: 21px; height: 21px; }
.service-number { font-size: 10px; letter-spacing: .08em; }
.service-card h3 { max-width: 100%; font-size: 20px; line-height: 1.35; letter-spacing: -.025em; }
.service-card:nth-child(-n+4) h3 { font-size: 22px; }
.service-card p { max-width: 100%; font-size: 14px; line-height: 1.85; }
.service-card .card-link { margin-top: auto; padding-top: 20px; font-size: 11px; }
.epc-inner { gap: 85px; }
.epc-inner h2 { font-size: clamp(32px,3.1vw,43px); line-height: 1.28; }
.epc-inner p { font-size: 15px; line-height: 1.9; }
.epc-stage h3 { font-size: 22px; }
.epc-stage p { font-size: 14px; }
.fire-feature { display: grid; grid-template-columns: .95fr 1.05fr; gap: 85px; align-items: center; border-bottom: 1px solid var(--line); }
.fire-copy>.kicker { margin-bottom: 22px; }
.fire-copy>p:not(.kicker) { font-size: 15px; color: var(--muted); line-height: 1.95; margin-top: 23px; max-width: 490px; }
.fire-copy>.text-link { margin-top: 26px; }
.fire-points { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.fire-points li { padding: 24px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 20px 1fr; gap: 17px; }
.fire-points li>svg { width: 19px; height: 19px; color: var(--green); margin-top: 4px; }
.fire-points h3 { font-size: 19px; line-height: 1.4; letter-spacing: -.02em; margin-bottom: 8px; }
.fire-points p { font-size: 14px; line-height: 1.85; color: var(--muted); }
.diagnostics-section { gap: 75px; }
.diagnostics-copy p:not(.kicker) { font-size: 15px; }
.diagnostic-controls button { font-size: 12px; }
.diagnostic-viewer figcaption { font-size: 11px; }
.process-step .process-num { color: var(--green); font-size: 28px; margin-bottom: 23px; }
.process-step h3 { font-size: 20px; line-height: 1.4; }
.process-step p { font-size: 14px; }
.equipment-feature { padding: 52px 60px; background: #eaf1f4; border: 1px solid var(--line); border-radius: 3px; }
.equipment-feature h2 { font-size: clamp(31px,3.1vw,43px); line-height: 1.25; }
.equipment-feature p { font-size: 15px; }
.equipment-photo figcaption { font-size: 11px; line-height: 1.7; }
.faq-layout { grid-template-columns: .85fr 1.15fr; gap: 75px; }
.faq-list summary { font-size: 14px; }
.faq-list p { font-size: 14px; }
.cta h2 { font-size: clamp(32px,3.3vw,43px); line-height: 1.25; }
.cta p { font-size: 15px; }
.cta-right { padding-left: 0; }
.site-footer { padding-top: 55px; }
.footer-description,.footer-links,.footer-contact p { font-size: 12px; }
.footer-links { line-height: 1.8; }
.breadcrumb { padding-top: 30px; font-size: 11px; }
.page-hero { padding-top: 42px; padding-bottom: 50px; }
.page-hero h1 { font-size: clamp(37px,4vw,53px); line-height: 1.22; letter-spacing: -.035em; }
.page-hero .intro { font-size: 17px; line-height: 1.85; max-width: 840px; margin-top: 23px; }
.detail-main>h2 { font-size: 31px; line-height: 1.35; }
.detail-main>p { font-size: 15px; }
.topic h3 { font-size: 21px; }
.topic p { font-size: 15px; }
.detail-sidebar { background: #eef3f6; border-radius: 3px; }
.outcome { border-radius: 2px; }
.contact-form { box-shadow: 0 8px 28px #122f3d04; }
.contact-detail>a { font-size: 21px; }
.contact-form .field label { font-size: 12px; }
.catalogue-controls { gap: 9px; }
.filter-button { font-size: 12px; padding: 10px 16px; border-radius: 2px; }
.product-card { border-radius: 3px; box-shadow: 0 3px 14px #122f3d03; }
.product-content h2 { font-size: 20px; line-height: 1.4; }
.product-content p { font-size: 13px; }
.product-kind { max-width: calc(100% - 32px); text-align: right; line-height: 1.5; }
.retrotec-partner { padding: 21px 27px; border-radius: 2px; }
.retrotec-partner p { font-size: 14px; }
.product-info h2 { font-size: 29px; }
.about-copy h2 { font-size: 31px; }
.simple-body p { font-size: 16px; }

/* Image viewports grow the equipment, while the existing frames keep their dimensions. */
.product-picture .catalogue-photo { padding: 12px 14px; transition: transform .35s ease; }
.product-display .product-main-image { display: block; }
.manufacturer-photo img { padding: 0; }
.commercial-equipment-photo { padding: 4px; }
.product-picture { overflow: hidden; }

/* Project guidance and technical content. */
.project-explorer { border-top: 1px solid var(--line); }
.project-explorer .section-top h2 { max-width: 690px; }
.project-choices { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border: 1px solid var(--line); background: #fff; }
.project-choice { min-height: 76px; border: 0; border-right: 1px solid var(--line); background: #fff; padding: 22px; display: flex; align-items: center; gap: 14px; text-align: left; font-family: var(--heading); font-size: 14px; font-weight: 600; color: var(--ink); cursor: pointer; position: relative; transition: background .2s ease; }
.project-choice:last-child { border-right: 0; }
.project-choice>span { font-size: 10px; color: var(--muted); }
.project-choice>svg { width: 17px; height: 17px; margin-left: auto; flex-shrink: 0; }
.project-choice:after { content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 3px; background: var(--green); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.project-choice[aria-selected=true] { background: #edf4f6; }
.project-choice[aria-selected=true]:after { transform: scaleX(1); }
.project-choice:hover { background: #f2f7f8; }
.project-panel { display: grid; grid-template-columns: 1.3fr .7fr; gap: 54px; padding: 40px; border: 1px solid var(--line); background: #fff; }
.project-choices:not([hidden])~.project-panel { border-top: 0; }
.project-panel h3 { font-size: 26px; line-height: 1.4; margin-bottom: 18px; }
.project-panel p { font-size: 14px; line-height: 1.9; color: var(--muted); }
.project-points { padding: 0; margin: 23px 0; list-style: none; }
.project-points li { display: flex; align-items: flex-start; gap: 11px; margin: 12px 0; font-size: 13px; line-height: 1.8; }
.project-points svg { color: var(--green); flex-shrink: 0; width: 16px; height: 16px; margin-top: 4px; }
.project-panel aside { padding: 28px; background: var(--light); align-self: start; }
.project-panel aside .kicker { color: var(--ink); font-size: 9px; }
.project-panel aside>.text-link { margin-top: 23px; }
.project-panel .project-links-label { margin-top: 28px; font-size: 10px; text-transform: uppercase; letter-spacing: .09em; color: var(--ink); }
.project-links { display: flex; flex-wrap: wrap; gap: 16px 24px; margin-top: 13px; }
.project-links .text-link { font-size: 12px; }
.testing-guidance { border-top: 1px solid var(--line); margin-top: 40px; }
.testing-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 25px; }
.testing-card { padding: 32px; border: 1px solid var(--line); background: #fff; }
.testing-icon { width: 40px; height: 40px; color: var(--green); margin-bottom: 20px; }
.testing-icon svg { width: 32px; height: 32px; }
.testing-card h3 { font-size: 25px; line-height: 1.4; margin-bottom: 17px; }
.testing-card>p { font-size: 14px; line-height: 1.9; color: var(--muted); }
.testing-card .testing-prepare { color: var(--ink); margin-top: 25px; font-size: 12px; font-weight: 600; }
.testing-card .project-points { margin-bottom: 0; }
.testing-grid.single { grid-template-columns: 1fr; }
.testing-grid.single .testing-card { display: grid; grid-template-columns: 1fr 1fr; column-gap: 50px; }
.testing-grid.single .testing-icon { grid-column: 1/-1; }
.testing-grid.single h3,.testing-grid.single .testing-card>p:not(.testing-prepare) { grid-column: 1; }
.testing-grid.single .testing-prepare { grid-column: 2; grid-row: 2; margin: 0; align-self: start; }
.testing-grid.single .project-points { grid-column: 2; grid-row: 3; margin-top: 0; }
.testing-action { margin-top: 28px; }
.service-deliverables { border-top: 1px solid var(--line); }
.service-deliverables h2 { margin-top: 23px; }
.deliverables-intro { font-size: 15px; color: var(--muted); line-height: 1.9; max-width: 710px; margin-top: 20px; }
.deliverable-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px; margin-top: 35px; }
.deliverable-card { padding-top: 22px; border-top: 2px solid var(--line); }
.deliverable-number { color: var(--green); font-size: 11px; }
.deliverable-card h3 { font-size: 21px; line-height: 1.4; margin: 18px 0 14px; }
.deliverable-card p { font-size: 14px; line-height: 1.9; color: var(--muted); }

/* Restrained motion; no colour splits in the wordmark or headings. */
.reading-progress { position: fixed; top: 0; left: 0; width: 100%; height: 2px; background: var(--green); transform: scaleX(0); transform-origin: left; z-index: 1000; pointer-events: none; }
.reveal-ready { opacity: 0; transform: translateY(18px); transition: opacity .6s ease var(--reveal-delay,0ms),transform .6s cubic-bezier(.2,.7,.2,1) var(--reveal-delay,0ms); }
.reveal-ready.is-revealed { opacity: 1; transform: translateY(0); }
.motion-ready .hero-copy { animation: intro-copy .65s ease both; }
.motion-ready .hero-image { animation: intro-photo .8s cubic-bezier(.2,.7,.2,1) both; }
.motion-ready .project-panel:not([hidden]) { animation: project-enter .3s ease both; }
.text-link svg,.button svg,.card-link svg,.service-icon { transition: transform .25s ease; }
@media (hover:hover) and (pointer:fine) {
 .text-link:hover svg,.button:hover svg,.service-card:hover .card-link svg { transform: translate(3px,-3px); }
 .service-card:hover .service-icon { transform: translateY(-3px); }
 .product-card:hover .catalogue-photo,.product-card:focus-within .catalogue-photo { transform: scale(1.035); }
 .product-card { transition: box-shadow .25s ease,border-color .25s ease; }
 .product-card:hover { border-color: #8db2be; box-shadow: 0 10px 24px #122f3d0b; }
}
@keyframes intro-copy { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes intro-photo { from { opacity: 0; transform: translateX(16px); } to { opacity: 1; transform: translateX(0); } }
@keyframes project-enter { from { opacity: .35; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width:800px) {
 .project-choice { padding: 18px 15px; font-size: 12px; gap: 9px; }
 .project-choice>svg { display: none; }
 .project-panel { grid-template-columns: 1fr; gap: 28px; padding: 28px; }
 .project-panel aside { padding: 24px; }
 .testing-card { padding: 24px; }
 .deliverable-grid { gap: 20px; }
 .deliverable-card h3 { font-size: 19px; }
}
@media (max-width:560px) {
 .project-choices { grid-template-columns: 1fr; }
 .project-choice { min-height: 58px; border-right: 0; border-bottom: 1px solid var(--line); font-size: 13px; padding: 17px 20px; }
 .project-choice:last-child { border-bottom: 0; }
 .project-choice>svg { display: block; }
 .project-choice:after { width: 3px; height: auto; left: -1px; top: 0; right: auto; bottom: 0; transform: scaleY(0); }
 .project-choice[aria-selected=true]:after { transform: scaleY(1); }
 .project-panel { padding: 23px; gap: 25px; }
 .project-panel h3 { font-size: 23px; }
 .project-panel aside { padding: 23px; }
 .project-points li { font-size: 13px; }
 .project-links { flex-direction: column; align-items: flex-start; }
 .testing-grid,.deliverable-grid { grid-template-columns: 1fr; }
 .testing-grid.single .testing-card { display: block; }
 .testing-grid.single .testing-prepare { margin-top: 25px; }
 .testing-grid.single .project-points { margin-top: 17px; }
 .testing-card h3 { font-size: 23px; }
 .testing-card { padding: 24px; }
 .deliverable-grid { gap: 28px; }
 .deliverable-card h3 { font-size: 22px; }
}
@media (prefers-reduced-motion:reduce) {
 .motion-ready .hero-copy,.motion-ready .hero-image,.motion-ready .project-panel:not([hidden]) { animation: none; }
 .reveal-ready { opacity: 1; transform: none; transition: none; }
 .catalogue-photo,.text-link svg,.button svg,.card-link svg,.service-icon,.product-card,.project-choice,.project-choice:after { transition: none !important; }
 .product-card:hover .catalogue-photo,.product-card:focus-within .catalogue-photo,.text-link:hover svg,.button:hover svg,.service-card:hover .card-link svg,.service-card:hover .service-icon { transform: none; }
}
@media (max-width:1100px) {
  .hero-band .hero { gap: 36px; }
  .hero h1 { font-size: 48px; }
  .hero .lead { font-size: 15px; }
  .hero-image { min-height: 470px; }
  .sectors { gap: 20px; font-size: 11px; }
  .section-top { gap: 38px; }
  .service-card { padding: 23px; }
  .service-card h3 { font-size: 19px; }
  .service-card:nth-child(-n+4) h3 { font-size: 21px; }
  .fire-feature,.diagnostics-section,.epc-inner { gap: 50px; }
  .equipment-feature { padding: 42px; }
}
@media (max-width:800px) {
  .header-inner { height: 74px; }
  .header-nav { top: 74px; background: #fff; }
  .header-nav>a,.nav-drop>summary { font-size: 15px; }
  .utility-inner { height: 32px; gap: 15px; }
  .utility-tag { font-size: 8px; }
  .utility-contacts { gap: 15px; }
  .utility-contacts a { font-size: 9px; }
  .section { padding-top: 60px; padding-bottom: 60px; }
  .hero-band .hero { gap: 28px; padding-top: 38px; padding-bottom: 40px; }
  .hero h1 { font-size: 39px; }
  .hero .kicker { font-size: 8px; }
  .hero .lead { font-size: 14px; line-height: 1.85; }
  .hero-image { min-height: 460px; }
  .hero .actions { gap: 22px; }
  .photo-bottom h2 { font-size: 22px; }
  .photo-tags span { font-size: 8px; }
  .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 19px; }
  .service-card,.service-card:nth-child(-n+4) { grid-column: span 1; padding: 24px; min-height: 250px; }
  .service-card:last-child { grid-column: 1/-1; }
  .service-card h3,.service-card:nth-child(-n+4) h3 { font-size: 20px; }
  .service-card p { font-size: 13px; }
  .fire-feature { gap: 40px; }
  .fire-points h3 { font-size: 17px; }
  .fire-points p { font-size: 13px; }
  .fire-copy>p:not(.kicker) { font-size: 14px; }
  .epc-inner p { font-size: 14px; }
  .equipment-feature { padding: 34px; }
  .equipment-feature p { font-size: 14px; }
  .faq-layout { gap: 40px; }
  .page-hero h1 { font-size: 43px; }
  .page-hero .intro { font-size: 16px; }
}
@media (max-width:580px) {
  .utility-bar { display: none; }
  .header-inner { height: 72px; }
  .header-nav { top: 72px; }
  .hero-band .hero { display: flex; gap: 30px; padding-top: 29px; padding-bottom: 30px; }
  .hero-copy { padding: 5px 0 0; }
  .hero .kicker { font-size: 8px; line-height: 1.8; max-width: 290px; margin-bottom: 20px; }
  .hero h1 { font-size: clamp(34px,9vw,43px); line-height: 1.22; }
  .hero .lead { font-size: 15px; line-height: 1.85; margin-top: 21px; margin-bottom: 25px; }
  .hero .actions { flex-direction: column; gap: 20px; align-items: flex-start; }
  .hero .button { font-size: 12px; min-height: 49px; padding: 12px 18px; }
  .hero .text-link { font-size: 12px; }
  .hero-location { font-size: 8px; margin-top: 26px; }
  .hero-image { min-height: 320px; aspect-ratio: 1.1; }
  .photo-top { top: 18px; left: 18px; font-size: 8px; padding: 9px; }
  .photo-bottom { left: 21px; right: 21px; bottom: 23px; }
  .photo-bottom h2 { font-size: 23px; line-height: 1.3; }
  .photo-tags { gap: 5px; }
  .photo-tags span { font-size: 8px; padding: 6px 7px; }
  .sector-strip { gap: 20px; padding-top: 22px; padding-bottom: 22px; }
  .sector-strip>.kicker { max-width: 90px; font-size: 8px; }
  .sectors { font-size: 10px; gap: 10px; }
  .section { padding-top: 50px; padding-bottom: 50px; }
  h2 { font-size: 31px; }
  .section-top { margin-bottom: 28px; }
  .section-top>p { font-size: 14px; line-height: 1.9; }
  .service-grid { grid-template-columns: minmax(0,1fr); gap: 17px; }
  .service-card,.service-card:nth-child(-n+4),.service-card:last-child { grid-column: auto; min-height: 0; padding: 24px; }
  .service-card h3,.service-card:nth-child(-n+4) h3 { font-size: 21px; line-height: 1.4; }
  .service-card p { font-size: 14px; line-height: 1.8; }
  .service-card .card-link { font-size: 12px; }
  .service-meta { margin-bottom: 18px; }
  .epc-inner { gap: 30px; }
  .epc-inner h2 { font-size: 31px; }
  .epc-inner p { font-size: 14px; }
  .epc-stage h3 { font-size: 22px; }
  .epc-stage p { font-size: 14px; }
  .fire-feature { grid-template-columns: minmax(0,1fr); gap: 29px; }
  .fire-copy>p:not(.kicker) { font-size: 14px; line-height: 1.9; }
  .fire-points li { padding: 22px 0; gap: 14px; }
  .fire-points h3 { font-size: 18px; }
  .fire-points p { font-size: 14px; }
  .diagnostics-section { gap: 30px; }
  .diagnostics-copy p:not(.kicker) { font-size: 14px; }
  .process-step p { font-size: 14px; }
  .process-step h3 { font-size: 20px; }
  .equipment-feature { padding: 27px 23px; }
  .equipment-feature h2 { font-size: 31px; }
  .equipment-feature p { font-size: 14px; }
  .equipment-photo figcaption { font-size: 10px; }
  .faq-layout { gap: 28px; }
  .faq-list summary { font-size: 14px; }
  .faq-list p { font-size: 14px; }
  .cta h2 { font-size: 33px; }
  .cta p { font-size: 14px; }
  .page-hero { padding-top: 31px; padding-bottom: 38px; }
  .page-hero h1 { font-size: clamp(31px,8.4vw,39px); line-height: 1.24; }
  .page-hero .intro { font-size: 15px; line-height: 1.9; }
  .detail-main>h2 { font-size: 27px; }
  .detail-main>p,.topic p { font-size: 14px; }
  .topic h3 { font-size: 20px; }
  .filter-button { font-size: 11px; padding: 10px 13px; }
  .product-content h2 { font-size: 21px; }
  .retrotec-partner p { font-size: 13px; }
  .about-copy h2 { font-size: 28px; }
}