/* CASTOVELLA - heavy-industry engineering identity: deep steel gray + safety
   orange, blueprint grid motifs, mono spec labels, machined square geometry.
   Self-contained layout system for the castovella.com build. */
:root{
  --steel:#16191d; --steel2:#20252b; --steel3:#2c333b;
  --ink:#181c20; --muted:#5b6570; --faint:#8b95a0;
  --paper:#fcfcfd; --panel:#edeff1; --stage:#e9edf0; --line:#d6dbe0; --line-dark:#39414a;
  --orange:#ff6b00; --orange-d:#d95d00; --amber:#ff8a3d;
  --max:1220px; --shadow:0 18px 44px rgba(16,20,24,.13);
  --mono:ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.65 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
p{margin:0 0 1.25em}
.container{max-width:var(--max);padding:0 30px;margin:auto}
.skip-link{position:absolute;left:-9999px;top:10px;background:#fff;z-index:200;padding:12px}
.skip-link:focus{left:10px}
::selection{background:var(--orange);color:#16191d}

/* ---- top strip + header (steel bar, orange rule) ---- */
.topbar{background:#0c0e10;color:#9aa5af;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase}
.topbar .container{display:flex;justify-content:space-between;gap:20px;padding-top:8px;padding-bottom:8px}
.topbar b{color:var(--amber);font-weight:700}
.header{position:sticky;top:0;z-index:100;background:var(--steel);border-bottom:3px solid var(--orange)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:max-content;color:#fff}
.brand-symbol{background:var(--orange);color:#16191d;width:40px;height:40px;display:grid;place-items:center;font-weight:900;font-size:21px;border:2px solid #0c0e10;box-shadow:inset 0 0 0 2px rgba(255,255,255,.25)}
.brand-word{font-weight:850;font-size:21px;letter-spacing:.02em;line-height:1;color:#fff}
.brand-word small{display:block;margin-top:5px;font-family:var(--mono);font-weight:600;letter-spacing:.24em;text-transform:uppercase;font-size:8.5px;color:#9aa5af}
.navlinks{display:flex;gap:26px;align-items:center;margin-left:auto}
.navlinks a{font-size:13px;font-weight:650;color:#c9d1d8}
.navlinks a:hover,.navlinks a[aria-current="page"]{color:var(--amber)}
.menu{display:none;border:1px solid var(--line-dark);background:transparent;color:#fff;padding:10px 14px;font-weight:750}

/* ---- buttons ---- */
.btn{border:1px solid var(--steel);background:var(--steel);color:#fff;min-height:48px;padding:0 23px;display:inline-flex;align-items:center;justify-content:center;gap:22px;font-size:13px;font-weight:800;letter-spacing:.02em;transition:transform .18s,background .18s,border-color .18s}
.btn:hover{background:var(--steel3);border-color:var(--steel3);transform:translateY(-2px)}
.btn-orange{background:var(--orange);border-color:var(--orange);color:#16191d}
.btn-orange:hover{background:#ff7f1f;border-color:#ff7f1f}
.btn-steel{background:var(--steel2);border-color:var(--steel2);color:#fff}
.btn-steel:hover{background:var(--steel3);border-color:var(--steel3)}
.btn-white{background:#fff;border-color:#fff;color:var(--ink)}
.btn-white:hover{background:var(--panel)}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.btn-light-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-light-outline:hover{background:var(--panel)}

/* ---- hero (blueprint grid on steel) ---- */
.hero{background-color:var(--steel);background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);background-size:88px 88px,88px 88px,22px 22px,22px 22px;color:#fff;overflow:hidden;border-bottom:3px solid var(--orange)}
.hero-inner{display:grid;grid-template-columns:54% 46%;min-height:680px}
.hero-copy{padding:88px 64px 56px max(30px,calc((100vw - var(--max))/2 + 30px));display:flex;flex-direction:column;align-items:flex-start;position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:11px;text-transform:uppercase;letter-spacing:.2em;font-family:var(--mono);font-size:11px;font-weight:700;color:var(--orange-d)}
.eyebrow::before{content:"";display:inline-block;width:26px;height:2px;background:var(--orange)}
.hero .eyebrow,.page-hero .eyebrow,.featured-dark .eyebrow{color:var(--amber)}
.hero h1,.display{font-size:clamp(52px,5.6vw,88px);line-height:1.02;letter-spacing:-.045em;margin:32px 0 28px;font-weight:820}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero .lede{font-size:17px;color:#b9c2ca;max-width:570px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:22px}
.hero-notes{margin-top:auto;padding-top:55px;display:flex;flex-wrap:wrap;gap:24px;color:#9fb0bc;font-size:12px;font-weight:650}
.hero-notes span::before{content:"▸";color:var(--orange);margin-right:8px}
.hero-form-card{background:var(--paper);color:var(--ink);padding:28px 30px 24px;align-self:center;margin:44px 44px 44px 0;box-shadow:0 24px 60px rgba(0,0,0,.4);border-top:5px solid var(--orange)}
.hero-form-card h2{font-size:24px;letter-spacing:-.03em;margin:0 0 4px}
.hero-form-card .intro{font-size:12.5px;color:var(--muted);margin:0 0 16px}
.hero-form-card .field{margin:0 0 13px}
.hero-form-card .form-grid{gap:13px}
.hero-form-card .btn{width:100%}

/* ---- signal strip ---- */
.signal{background:var(--steel2);border-bottom:1px solid var(--line-dark)}
.signal-row{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;align-items:center;min-height:95px}
.signal-row>div{padding:18px 20px;border-right:1px solid var(--line-dark)}
.signal-row>div:first-child{padding-left:0}
.signal-row>div:last-child{border:0}
.signal small{font-family:var(--mono);font-size:10px;letter-spacing:.16em;font-weight:700;color:var(--amber);text-transform:uppercase}
.signal strong{display:block;font-size:14px;letter-spacing:-.01em;font-weight:750;color:#fff}

/* ---- sections, cards ---- */
section.section{padding:110px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:60px;margin-bottom:42px}
.section-head h2,h2.section-title{font-size:clamp(36px,4vw,56px);line-height:1.12;letter-spacing:-.045em;margin:18px 0 0;font-weight:820}
.section-head p{max-width:360px;color:var(--muted);font-size:15px;margin:0}
.muted{color:var(--muted)}
.smallcaps{text-transform:uppercase;letter-spacing:.16em;font-size:11px;font-weight:850}
.center{text-align:center}
.no-margin{margin:0}
.tight-top{padding-top:48px!important}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:21px}
.mach-card{background:#fff;border:1px solid var(--line);overflow:hidden;display:block;transition:box-shadow .25s,transform .25s}
.mach-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.mach-photo{height:262px;position:relative;background:var(--stage);overflow:hidden}
.mach-photo img{height:100%;width:100%;object-fit:cover;transition:transform .6s}
.mach-card:hover .mach-photo img{transform:scale(1.05)}
.mach-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(12,14,16,.22),transparent 45%);pointer-events:none}
.mach-photo.no-img{display:flex;align-items:flex-end;background-color:var(--steel2);background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px}
.mach-photo.no-img .big{position:relative;z-index:2;color:#f3e9df;font-size:30px;font-weight:800;letter-spacing:-.03em;padding:22px;line-height:1.15}
.card-label{position:absolute;top:16px;left:18px;background:var(--steel);color:#fff;padding:7px 12px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;font-weight:700;z-index:2}
.mach-details{padding:27px 25px 24px}
.mach-details h3{font-size:23px;margin:0 0 10px;letter-spacing:-.04em;line-height:1.25}
.mach-details p{color:var(--muted);font-size:13px;min-height:67px}
.card-bottom{border-top:1px solid var(--line);padding-top:17px;display:flex;justify-content:space-between;font-size:12px;font-weight:800;color:var(--orange-d)}

/* ---- dark feature ---- */
.featured-dark{background-color:var(--steel);background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:88px 88px;color:#fff;overflow:hidden}
.feature-grid{display:grid;grid-template-columns:45% 55%;gap:55px;align-items:center}
.feature-grid h2{font-size:clamp(40px,4.4vw,62px);line-height:1.07;letter-spacing:-.05em;margin:20px 0 25px}
.feature-grid p{color:#aeb8c0;max-width:480px}
.steplist{border-top:1px solid var(--line-dark);margin-top:39px}
.stepitem{border-bottom:1px solid var(--line-dark);padding:23px 0;display:grid;grid-template-columns:42px 1fr;gap:18px}
.stepitem span{color:var(--amber);font-family:var(--mono);font-size:12px;font-weight:700}
.stepitem b{font-size:17px}
.stepitem p{font-size:13px;margin:5px 0 0}
.feature-visual{position:relative;min-height:570px;background:var(--stage);overflow:hidden;border:1px solid var(--line-dark)}
.feature-visual img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}
.feature-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(12,14,16,.82),transparent 55%)}
.feature-visual-caption{position:absolute;bottom:36px;left:40px;right:30px;z-index:1;color:#fff}
.feature-visual-caption strong{font-size:29px;line-height:1.1;letter-spacing:-.03em;display:block;max-width:400px}
.feature-visual-caption small{display:block;margin-bottom:16px;color:var(--amber);font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;font-weight:700}

/* ---- guides / faq / cta ---- */
.guides-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.guide-card{background:#fff;padding:35px 31px;min-height:312px;display:flex;flex-direction:column;border:1px solid var(--line);border-top:4px solid var(--steel)}
.guide-card .tag{color:var(--orange-d);font-family:var(--mono);font-size:11px;letter-spacing:.17em;font-weight:700}
.guide-card h3{font-size:22px;letter-spacing:-.04em;line-height:1.26;margin:24px 0 14px}
.guide-card h3 a{color:inherit}
.guide-card p{font-size:13px;color:var(--muted)}
.guide-card a{margin-top:auto;font-size:12px;font-weight:850;text-decoration:underline;text-underline-offset:5px}
.faq{max-width:890px;margin:43px auto 0}
.faq details{border-bottom:1px solid var(--line);padding:24px 0}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:17px;font-weight:750}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--orange-d);font-size:25px;font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--muted);margin:15px 40px 0 0;line-height:1.8;font-size:14px}
.faq a{color:var(--orange-d);text-decoration:underline}
.cta{background:var(--orange);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta h2{font-size:clamp(34px,4vw,53px);letter-spacing:-.05em;line-height:1.1;margin:0;max-width:660px;color:#16191d}
.cta p{margin:14px 0 0;color:#4a2c10;max-width:640px;font-size:14px}
.cta .btn{background:var(--steel);border-color:var(--steel);color:#fff}

/* ---- footer ---- */
.footer{background:#0c0e10;color:#c3ccd3;padding:75px 0 0;border-top:3px solid var(--orange)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.15fr;gap:54px}
.footer .brand-word small{color:#7e8892}
.footer-about{max-width:360px;color:#8b95a0;font-size:13px;margin-top:26px}
.footer h4{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--amber);margin:0 0 23px;font-weight:700}
.footer a:not(.brand){font-size:13px;color:#aeb8c0;display:block;margin-bottom:12px}
.footer a:hover{color:#fff}
.footer-bottom{margin-top:55px;border-top:1px solid var(--line-dark);padding:24px 0;display:flex;justify-content:space-between;gap:20px;color:#77828c;font-size:11px}

/* ---- inner pages ---- */
.page-hero{background-color:var(--steel);background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);background-size:88px 88px,88px 88px,22px 22px,22px 22px;color:#fff;padding:80px 0 86px;position:relative;overflow:hidden;border-bottom:3px solid var(--orange)}
.page-hero h1{font-size:clamp(44px,5.6vw,74px);letter-spacing:-.05em;line-height:1.05;max-width:920px;margin:20px 0}
.page-hero p{max-width:670px;font-size:17px;color:#b9c2ca;margin:0}
.breadcrumb{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:#8b95a0;margin-bottom:20px}
.breadcrumb a{text-decoration:underline;text-underline-offset:4px;color:#c9d1d8}
.page-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(250px,.85fr);gap:80px}
.prose{font-size:16px;line-height:1.95;color:#333a41;min-width:0;overflow-wrap:break-word}
.prose h2{font-size:35px;letter-spacing:-.045em;color:var(--ink);line-height:1.2;margin:38px 0 17px}
.prose h3{font-size:22px;letter-spacing:-.03em;color:var(--ink);margin:29px 0 12px}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin-bottom:12px}
.prose table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.5;margin:24px 0}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:13px 10px;text-align:left}
.prose th{background:var(--panel)}
.prose a{color:var(--orange-d);text-decoration:underline}
.prose .related-guides{margin-top:44px;border-top:1px solid var(--line);padding-top:12px}
.sidebar-card{position:sticky;top:112px;background:var(--panel);padding:31px;height:max-content;border-top:4px solid var(--orange)}
.sidebar-card h3{font-size:25px;line-height:1.15;letter-spacing:-.045em;margin:12px 0}
.sidebar-card p{color:var(--muted);font-size:13px}
.sidebar-card a{width:100%;text-align:center}
.bullet-block{background:var(--panel);padding:27px 30px;margin:30px 0;border-left:4px solid var(--orange)}
.bullet-block strong{display:block;color:var(--ink);margin-bottom:7px}
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:28px 0}
.spec{background:#fff;border:1px solid var(--line);padding:25px}
.spec b{display:block;letter-spacing:-.02em;font-size:16px}
.spec span{display:block;font-size:13px;color:var(--muted);margin-top:8px}
.category-feature{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center;margin:0 0 35px}
.category-feature img{width:100%;height:360px;object-fit:cover}
.answer-box{background:var(--panel);border-left:4px solid var(--orange);padding:24px 28px;margin:0 0 34px;color:var(--ink)}
.answer-box strong{display:block;margin-bottom:8px}
.answer-box p:last-child{margin-bottom:0}
.article-meta{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.02em}
.table-scroll{overflow-x:auto;max-width:100%;margin:24px 0}
.table-scroll table{margin:0;min-width:540px}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0}
.chips span{border:1px solid var(--line);background:var(--panel);padding:7px 13px;font-size:12px;font-weight:700}
.pill{display:inline-block;background:var(--panel);border-left:4px solid var(--orange);padding:16px 20px;font-size:13.5px;color:#41494f;margin:20px 0}
.notice{background:#fff4ea;border-left:4px solid var(--orange);padding:19px 22px;font-size:13px;color:#5c5348}
.spec-note{font-size:12px;color:var(--muted);margin-top:-8px}

/* ---- product stage + datasheet ---- */
.stage{margin:0;background:var(--stage);border:1px solid var(--line)}
.stage img{width:100%;height:auto}
.stage figcaption{display:flex;justify-content:space-between;gap:16px;background:var(--steel);color:#c9d1d8;font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;padding:11px 16px}
.stage figcaption span:last-child{color:var(--amber)}
.stage-bp{background-color:var(--steel2);background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px}
.bp-svg{width:100%;height:auto;display:block}
.datasheet{padding:64px 0 8px;background:#fff}
.ds-head{display:flex;justify-content:space-between;gap:20px;background:var(--steel);color:#fff;font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;padding:13px 20px;border-top:4px solid var(--orange)}
.ds-head .ds-doc{color:var(--amber)}
.ds-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;padding:34px 0 10px;align-items:start}
.ds-spec h2{font-size:30px;letter-spacing:-.04em;margin:2px 0 14px}
.ds-spec .kv-table{margin:0 0 14px}
.ds-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.kv-table{width:100%;border-collapse:collapse;font-size:13.5px;margin:22px 0}
.kv-table th,.kv-table td{border-bottom:1px solid var(--line);padding:12px 12px;text-align:left;vertical-align:top}
.kv-table th{background:var(--steel2);color:#fff;width:34%;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:700}
.kv-table td{background:#fff}
.dark-table th{background:var(--steel2);color:#fff}

/* ---- forms ---- */
.rfq-wrap{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(270px,.65fr);gap:55px;align-items:start}
.rfq-form{padding:40px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--steel)}
.rfq-form h2{font-size:30px;letter-spacing:-.045em;margin:0 0 6px}
.rfq-form .intro{color:var(--muted);font-size:13px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:7px;margin:0 0 20px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;font-weight:800;color:#333a41}
.field .hint{font-size:11px;color:var(--muted)}
.field input,.field select,.field textarea{border:1px solid #c3cad1;background:#fff;min-height:49px;padding:12px 13px;color:var(--ink);outline-offset:3px;width:100%}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--orange);outline:2px solid #ffc79e}
.field textarea{min-height:146px;resize:vertical}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:12px;line-height:1.65;color:var(--muted)}
.consent input{width:auto;margin-top:3px;min-height:unset}
.form-help{font-size:12px;color:var(--muted);margin:15px 0 0}
.form-status{padding:13px 17px;font-size:13px;font-weight:700;display:none;margin:15px 0}
.form-status.show{display:block}
.form-status.error{background:#fdecea;color:#a33327}
.form-status.success{background:#e5f3e6;color:#205f3d}
.setup-note{background:#fff7e8;padding:13px 16px;border-left:4px solid #dca35c;color:#71512a;font-size:12px;margin:14px 0}
.setup-note[hidden]{display:none}
.honeypot{position:absolute;left:-10000px;top:auto}
.rfq-steps{list-style:none;padding:0;margin:20px 0}
.rfq-steps li{padding:15px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.rfq-steps b{display:block;font-size:14px;color:var(--ink)}
.quick-form{background:var(--panel)}
.half-panel{display:grid;grid-template-columns:1fr 1fr;min-height:540px}
.half-panel>div{padding:90px max(50px,calc((100vw - var(--max))/2 + 30px)) 80px max(50px,calc((100vw - var(--max))/2 + 30px))}
.half-panel .panel-left{background:var(--panel);padding-right:75px}
.half-panel .panel-right{background:#fff4ea;padding-left:80px}
.half-panel h2{font-size:clamp(38px,4vw,57px);line-height:1.1;letter-spacing:-.05em}
.half-panel p{max-width:440px;color:var(--muted)}
.tagline-list{margin:35px 0 0;padding:0;list-style:none}
.tagline-list li{padding:15px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:700;display:flex;justify-content:space-between}

/* ---- whatsapp float ---- */
.whatsapp-contact{position:fixed;right:22px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:2px;padding:12px 20px;border-radius:30px;background:#167d40;color:#fff;text-decoration:none;font-weight:750;box-shadow:0 4px 18px rgba(0,0,0,.25)}
.whatsapp-contact span{font-size:12px;font-weight:500}
.whatsapp-contact:hover{background:#116332}
.whatsapp-contact:focus-visible{outline:3px solid #fff;outline-offset:3px}

/* ---- responsive ---- */
@media(max-width:1100px){.navlinks{gap:15px}.navlinks a{font-size:12px}.hero-copy{padding-left:35px;padding-right:35px}.hero h1{font-size:66px}.feature-grid{gap:35px}}
@media(max-width:950px){.quick-form{grid-template-columns:1fr 1fr!important}.quick-form button{width:100%}}
@media(max-width:900px){.ds-grid{grid-template-columns:1fr;gap:28px}}
@media(max-width:800px){
  .container{padding:0 21px}
  .topbar .tb-right{display:none}
  .topbar .container{justify-content:center}
  .nav{height:68px;gap:15px}
  .nav .btn{display:none}
  .menu{display:block}
  .navlinks{display:none;position:absolute;top:68px;left:0;right:0;background:var(--steel);margin:0;padding:20px 25px 27px;box-shadow:0 15px 30px rgba(0,0,0,.35);flex-direction:column;align-items:stretch;gap:6px}
  .navlinks.open{display:flex}
  .navlinks a{padding:9px 0;font-size:15px}
  .hero-inner{grid-template-columns:1fr;min-height:0}
  .hero-copy{padding:65px 24px 55px}
  .hero h1{font-size:clamp(48px,11vw,72px);margin:23px 0}
  .hero-notes{padding-top:35px}
  .hero-form-card{margin:0 21px 40px}
  .signal-row{grid-template-columns:1fr 1fr}
  .signal-row>div{border-right:0;padding:17px 12px 17px 0;border-bottom:1px solid var(--line-dark)}
  .signal-row>div:last-child{border-bottom:0}
  .cards,.guides-grid{grid-template-columns:1fr 1fr}
  .feature-grid{grid-template-columns:1fr}
  .feature-visual{min-height:400px}
  .half-panel{grid-template-columns:1fr}
  .half-panel>div,.half-panel .panel-left,.half-panel .panel-right{padding:60px 27px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:42px}
  .page-grid,.rfq-wrap{grid-template-columns:1fr;gap:35px}
  .sidebar-card{position:static}
  .category-feature{grid-template-columns:1fr}
  .section-head{display:block}
  .section-head p{margin-top:20px}
  .cta-inner{display:block}
  .cta .btn{margin-top:20px}
  section.section{padding:75px 0}
}
@media(max-width:540px){
  .brand-word{font-size:19px}
  .brand-symbol{width:36px;height:36px}
  .hero h1{font-size:clamp(46px,13vw,64px)}
  .hero .lede{font-size:15px}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%;justify-content:space-between}
  .hero-notes{gap:11px 22px;font-size:11px}
  .cards,.guides-grid,.spec-grid,.form-grid{grid-template-columns:1fr}
  .mach-photo{height:225px}
  .mach-details p{min-height:0}
  .rfq-form{padding:23px 20px}
  .rfq-wrap{gap:23px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:33px}
  .footer-grid>div:first-child{grid-column:1/-1}
  .footer-bottom{display:block}
  .footer-bottom span{display:block;margin:8px 0}
  .section-head h2{font-size:38px}
  .page-hero{padding:60px 0 70px}
  .page-hero h1{font-size:48px}
  .signal-row strong{font-size:12px}
  .cta{padding:50px 0}
  .half-panel h2{font-size:40px}
  .quick-form{grid-template-columns:1fr!important;padding:22px!important}
  .whatsapp-contact{right:14px;bottom:14px;padding:10px 16px}
  .footer{padding-bottom:100px}
  .answer-box{padding:20px}
  .prose h2{font-size:29px}
  .stage figcaption{flex-direction:column;gap:3px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}