.topbar { background: var(--artel-blue-deep); color: #dcecff; font-size: .82rem; padding: .48rem 0; }
.topbar a { color: #fff; }
.site-header { background: var(--theme-header-background); border-bottom: 1px solid rgba(28,57,87,.08); transition: box-shadow .2s ease; backdrop-filter: blur(12px); }
.site-header.is-scrolled { box-shadow: 0 8px 30px rgba(16,52,89,.10); }
.navbar { min-height: 82px; }
.artel-brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--artel-gray-900); }
.artel-brand.has-image { gap: 0; }
.site-logo { display: block; width: auto; max-width: 100%; object-fit: contain; }
.header-site-logo { max-width: 245px; max-height: 56px; }
.footer-site-logo { max-width: 300px; max-height: 78px; }
.brand-mark { width: 42px; height: 42px; border: 5px solid var(--artel-blue); border-radius: 50%; display: grid; place-items: center; position: relative; }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; width: 20px; height: 5px; background: var(--artel-blue); right: -14px; border-radius: 4px; }
.brand-mark::before { top: 8px; transform: rotate(-24deg); }
.brand-mark::after { bottom: 8px; transform: rotate(24deg); }
.brand-mark span { width: 12px; height: 12px; background: var(--artel-gray-500); border-radius: 50%; }
.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong { font-size: 1.58rem; letter-spacing: .08em; color: var(--artel-blue-dark); }
.brand-copy small { font-size: .55rem; letter-spacing: .18em; color: var(--artel-gray-500); margin-top: .32rem; }
.navbar-nav .nav-link { font-size: .93rem; font-weight: 600; color: var(--artel-gray-700); padding: .65rem .72rem !important; }
.navbar-nav .nav-link:hover, .navbar-nav .nav-link.active { color: var(--artel-blue); }

.btn { border-radius: var(--theme-button-radius); font-weight: 650; padding: .72rem 1.25rem; }
.btn-lg { padding: .93rem 1.55rem; font-size: 1rem; }
.btn-primary { background: var(--artel-blue); border-color: var(--artel-blue); }
.btn-primary:hover, .btn-primary:focus { background: var(--artel-blue-dark); border-color: var(--artel-blue-dark); }
.btn-outline-primary { color: var(--artel-blue); border-color: var(--artel-blue); }
.btn-outline-secondary { color: var(--artel-gray-700); border-color: var(--artel-gray-300); }

.hero-section { background: var(--theme-hero-background); overflow: hidden; }
.min-vh-hero { min-height: 670px; padding: 4.2rem 0; }
.eyebrow { display: inline-block; color: var(--artel-blue); font-size: .76rem; font-weight: 800; letter-spacing: .16em; margin-bottom: 1rem; }
.eyebrow.light { color: #9ccfff; }
h1, h2, h3 { letter-spacing: -.025em; }
h1 { font-size: clamp(2.7rem, 5vw, 4.75rem); line-height: 1.05; font-weight: 780; }
h2 { font-size: clamp(2rem, 3.4vw, 3.1rem); line-height: 1.14; font-weight: 750; }
h3 { font-weight: 720; }
.hero-lead { max-width: 650px; color: var(--artel-gray-700); font-size: 1.18rem; margin-top: 1.5rem; }
.hero-services { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-services span { background: #fff; border: 1px solid var(--artel-gray-300); border-radius: 999px; padding: .42rem .8rem; font-size: .82rem; font-weight: 650; color: var(--artel-gray-700); }

.pneumatic-visual { min-height: 500px; border-radius: 32px; position: relative; overflow: hidden; background: linear-gradient(145deg, var(--artel-blue-deep), #0b539d); box-shadow: 0 30px 70px rgba(5,49,95,.28); }
.hero-image-frame { position: relative; width: 100%; min-height: 500px; aspect-ratio: 1.08 / 1; overflow: hidden; border-radius: 32px; background: var(--artel-gray-100); box-shadow: 0 30px 70px rgba(5,49,95,.20); }
.hero-image-frame img { display: block; width: 100%; height: 100%; min-height: 500px; object-fit: cover; }
.visual-grid { position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px); background-size: 38px 38px; }
.tube { position: absolute; border: 18px solid rgba(184,218,245,.92); border-radius: 90px; filter: drop-shadow(0 8px 8px rgba(0,0,0,.2)); }
.tube-one { width: 420px; height: 160px; left: 90px; top: 100px; border-left-color: transparent; border-bottom-color: transparent; transform: rotate(9deg); }
.tube-two { width: 330px; height: 250px; left: 55px; top: 215px; border-right-color: transparent; border-top-color: transparent; transform: rotate(-8deg); }
.station { position: absolute; width: 78px; height: 100px; background: linear-gradient(#fff,#d9e6f1); border-radius: 12px; box-shadow: 0 14px 24px rgba(0,0,0,.28); display: grid; place-items: center; border: 4px solid #9fb7ca; }
.station span { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--artel-blue); color: #fff; font-weight: 800; }
.station-a { left: 38px; top: 78px; }
.station-b { right: 42px; top: 176px; }
.station-c { left: 168px; bottom: 36px; }
.carrier { position: absolute; width: 78px; height: 36px; border-radius: 20px; background: #e4f2ff; border: 4px solid #6f9fc8; top: 190px; left: 258px; transform: rotate(18deg); box-shadow: 0 10px 18px rgba(0,0,0,.3); }
.carrier span { display: block; width: 22px; height: 100%; background: #f2c14d; margin: auto; }
.visual-label { position: absolute; right: 28px; bottom: 28px; background: rgba(6,38,75,.82); color: #fff; border: 1px solid rgba(255,255,255,.2); border-radius: 14px; padding: 1rem 1.2rem; backdrop-filter: blur(8px); }
.visual-label strong, .visual-label small { display: block; }
.visual-label small { color: #b9d5ed; margin-top: .15rem; }

.section { padding: 6.4rem 0; }
.bg-soft { background: var(--artel-gray-100); }
.bg-deep { background: var(--theme-deep-background); color: #fff; }
.lead-muted { color: var(--artel-gray-700); font-size: 1.08rem; }
.section-heading { max-width: 100%; margin-bottom: 2rem; }
.section-heading h2 { max-width: 750px; margin-bottom: 0; }
.section-heading.text-center { max-width: 820px; }
.section-heading.light h2 { color: #fff; }
.text-link { display: inline-flex; align-items: center; gap: .45rem; font-weight: 750; white-space: nowrap; }
.text-link.light { color: #b9ddff; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }

.process-card { padding: 1.7rem; border-left: 1px solid var(--artel-gray-300); height: 100%; }
.process-card > span { color: var(--artel-blue); font-size: .8rem; font-weight: 800; }
.process-card h3 { font-size: 1.15rem; margin-top: 1.1rem; }
.process-card p { color: var(--artel-gray-700); font-size: .93rem; margin-bottom: 0; }
.solution-card { background: #fff; border: 1px solid #e2e8ef; border-radius: var(--artel-radius); overflow: hidden; box-shadow: 0 10px 32px rgba(22,54,86,.05); transition: transform .25s ease, box-shadow .25s ease; }
.solution-card:hover { transform: translateY(-5px); box-shadow: var(--artel-shadow); }
.card-visual { min-height: 160px; background: linear-gradient(145deg, #dcecff, #f8fbff); position: relative; overflow: hidden; display: grid; place-items: center; }
.card-visual.product { background: linear-gradient(145deg, #e8edf3, #fff); }
.card-image { width: 100%; height: 190px; object-fit: cover; }
.tube-icon { width: 88px; height: 88px; border: 14px solid var(--artel-blue); border-left-color: #9ec6ed; border-radius: 50%; position: relative; display: block; }
.tube-icon::after { content: ""; position: absolute; width: 48px; height: 16px; border-radius: 10px; background: var(--artel-gray-500); right: -40px; top: 22px; }
.tube-icon.large { transform: scale(1.35); }
.card-body-custom { padding: 1.65rem; }
.card-body-custom h2, .card-body-custom h3 { font-size: 1.28rem; margin-bottom: .8rem; }
.card-body-custom p { color: var(--artel-gray-700); font-size: .94rem; }
.card-body-custom a { font-weight: 750; font-size: .9rem; }

.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.feature-item { display: flex; gap: 1rem; padding: 1.5rem; border: 1px solid var(--artel-gray-300); border-radius: 14px; }
.feature-item > span { color: var(--artel-blue); font-weight: 800; }
.feature-item h3 { font-size: 1.1rem; }
.feature-item p { color: var(--artel-gray-700); margin: 0; font-size: .92rem; }
.product-card { padding: 1.7rem; border: 1px solid rgba(255,255,255,.14); border-radius: var(--artel-radius); background: rgba(255,255,255,.05); transition: background .2s ease; }
.product-card:hover { background: rgba(255,255,255,.09); }
.product-number { color: #83c3ff; font-weight: 800; margin-bottom: 2.2rem; }
.product-card h3 { font-size: 1.22rem; color: #fff; }
.product-card p { color: #bfd1e3; font-size: .92rem; }
.product-card a { color: #a8d7ff; font-weight: 700; }
.sector-list { display: flex; flex-wrap: wrap; justify-content: center; gap: .8rem; }
.sector-list span { padding: .82rem 1.2rem; border: 1px solid var(--artel-gray-300); border-radius: 999px; font-weight: 700; color: var(--artel-gray-700); background: #fff; }
.reference-card { padding: 1.8rem; background: #fff; border-radius: var(--artel-radius); border: 1px solid #e1e7ed; }
.reference-card.large { padding: 2rem; }
.reference-sector { color: var(--artel-blue); font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.reference-card h2, .reference-card h3 { font-size: 1.28rem; margin: 1rem 0 .8rem; }
.reference-card p { color: var(--artel-gray-700); }
.reference-card small { color: var(--artel-gray-500); }
.reference-image { width: calc(100% + 4rem); max-width: none; height: 200px; object-fit: cover; margin: -2rem -2rem 1.6rem; }
.reference-meta { border-top: 1px solid var(--artel-gray-300); margin-top: 1.4rem; padding-top: 1rem; display: flex; justify-content: space-between; color: var(--artel-gray-700); font-size: .9rem; }
.cta-section { padding: 0 0 6rem; }
.cta-panel { background: var(--theme-cta-background); border-radius: 24px; padding: 3.2rem; color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 2rem; box-shadow: 0 24px 60px rgba(10,95,191,.24); }
.cta-panel h2 { font-size: clamp(1.8rem,3vw,2.65rem); }
.cta-panel p { color: #dcecff; margin: 0; max-width: 750px; }

.page-hero, .detail-hero { background: var(--theme-page-hero-background); color: #fff; padding: 6.2rem 0; position: relative; overflow: hidden; }
.page-hero::after, .detail-hero::after { content: ""; position: absolute; width: 460px; height: 460px; border: 70px solid rgba(255,255,255,.06); border-radius: 50%; right: -100px; top: -170px; }
.page-hero.compact { padding: 4.8rem 0; }
.page-hero h1, .detail-hero h1 { max-width: 900px; font-size: clamp(2.5rem,4.4vw,4.2rem); }
.page-hero p, .detail-hero p { color: #d6e8f8; max-width: 800px; font-size: 1.12rem; }
.corporate-page-hero.has-background { background-repeat: no-repeat; background-size: cover; background-position: center; }
.corporate-page-hero.has-background > .container { position: relative; z-index: 1; }
.content-text { color: var(--artel-gray-700); font-size: 1.08rem; white-space: pre-line; }
.multiline { white-space: pre-line; }
.corporate-visual { min-height: 390px; background: linear-gradient(150deg,#e4f2ff,#f8fbff); border-radius: 24px; display: flex; align-items: end; justify-content: center; padding: 2rem; position: relative; overflow: hidden; }
.vertical-tube { position: absolute; width: 90px; height: 330px; border: 20px solid #b5d4ee; border-radius: 50px; top: -50px; transform: rotate(32deg); box-shadow: inset 0 0 12px rgba(6,38,75,.18); }
.corporate-visual div { z-index: 1; background: #fff; padding: 1.1rem 1.3rem; border-radius: 12px; box-shadow: var(--artel-shadow); width: 100%; }
.corporate-visual strong, .corporate-visual small { display: block; }
.corporate-visual small { color: var(--artel-gray-500); margin-top: .25rem; }
.corporate-visual.has-image { display: block; padding: 0; background: var(--artel-gray-100); }
.corporate-visual.has-image img { display: block; width: 100%; height: 390px; object-fit: cover; object-position: center; }
.value-card { border-top: 4px solid var(--artel-blue); padding: 1.8rem; background: #fff; box-shadow: 0 12px 35px rgba(16,52,89,.07); height: 100%; }
.value-card > span { color: var(--artel-blue); font-weight: 800; }
.value-card h3 { margin-top: 2rem; font-size: 1.35rem; }
.value-card p { color: var(--artel-gray-700); margin-bottom: 0; }
.principle { padding: 1rem; }
.principle h3 { font-size: 1.22rem; }
.principle p { color: var(--artel-gray-700); margin: 0; }
.listing-card { border: 1px solid var(--artel-gray-300); border-radius: var(--artel-radius); overflow: hidden; background: #fff; }
.listing-visual { min-height: 230px; display: grid; place-items: center; background: linear-gradient(145deg,#dcecff,#f7fbff); overflow: hidden; }
.listing-visual img { width: 100%; height: 230px; object-fit: cover; }
.listing-content { padding: 2rem; }
.listing-content h2 { font-size: 1.65rem; }
.listing-content p { color: var(--artel-gray-700); }
.detail-visual { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); min-height: 300px; border-radius: 22px; display: grid; place-items: center; overflow: hidden; }
.detail-visual img { width: 100%; height: 300px; object-fit: cover; }
.info-panel { position: sticky; top: 120px; padding: 2rem; background: var(--artel-gray-100); border-radius: var(--artel-radius); }
.info-panel h3 { font-size: 1.3rem; }
.info-panel ul, .quote-guide ul { padding-left: 1.15rem; color: var(--artel-gray-700); }
.info-panel li, .quote-guide li { margin-bottom: .65rem; }
.form-panel { padding: 2.2rem; background: #fff; border: 1px solid var(--artel-gray-300); border-radius: var(--artel-radius); box-shadow: var(--artel-shadow); }
.form-label { font-weight: 650; font-size: .91rem; }
.form-control, .form-select { min-height: 50px; border-color: #ccd6e0; border-radius: 9px; }
textarea.form-control { min-height: auto; }
.form-control:focus, .form-select:focus { border-color: var(--artel-blue); box-shadow: 0 0 0 .2rem rgba(10,95,191,.12); }
.text-danger { font-size: .82rem; }
.contact-list > div { border-top: 1px solid var(--artel-gray-300); padding: 1.1rem 0; display: grid; grid-template-columns: 95px 1fr; gap: 1rem; }
.contact-list span { color: var(--artel-gray-500); font-size: .85rem; }
.contact-list p { margin: 0; color: var(--artel-gray-700); }
.quote-guide { padding: 2rem; background: var(--artel-gray-100); border-radius: var(--artel-radius); }
.quote-guide h2 { font-size: 1.65rem; }
.quote-guide p { color: var(--artel-gray-700); font-size: .9rem; margin-bottom: 0; }
.empty-state { text-align: center; padding: 5rem 1rem; background: var(--artel-gray-100); border-radius: var(--artel-radius); }
.status-code { display: block; font-size: 5rem; color: var(--artel-blue); font-weight: 800; line-height: 1; }
.empty-state h1 { font-size: 2rem; margin-top: 1.3rem; }
.empty-state p { color: var(--artel-gray-700); }

.site-footer { background: var(--theme-footer-background); color: #afc0d0; margin-top: 0; }
.footer-brand .brand-copy strong { color: #fff; }
.footer-description { max-width: 480px; }
.footer-title { color: #fff; font-size: .9rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1.1rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .55rem; }
.site-footer a { color: #c6d5e3; }
.site-footer a:hover { color: #fff; }
.footer-contact { display: flex; flex-direction: column; gap: .55rem; font-style: normal; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); font-size: .82rem; }

@media (max-width: 991.98px) {
    .navbar { min-height: 72px; }
    .navbar-collapse { padding: 1rem 0 1.4rem; }
    .min-vh-hero { min-height: auto; }
    .pneumatic-visual, .hero-image-frame { min-height: 430px; }
    .hero-image-frame img { min-height: 430px; }
    .feature-grid { grid-template-columns: 1fr; }
    .cta-panel { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 767.98px) {
    h1 { font-size: 2.55rem; }
    .section { padding: 4.5rem 0; }
    .hero-section .min-vh-hero { padding: 3.7rem 0; }
    .pneumatic-visual, .hero-image-frame { min-height: 350px; }
    .hero-image-frame { aspect-ratio: auto; }
    .hero-image-frame img { min-height: 350px; }
    .tube-one { left: 30px; top: 55px; }
    .tube-two { left: 15px; top: 150px; }
    .station-b { right: 20px; }
    .station-c { left: 110px; }
    .carrier { left: 190px; top: 150px; }
    .visual-label { right: 15px; bottom: 15px; }
    .cta-panel { padding: 2rem; border-radius: 18px; }
    .form-panel { padding: 1.4rem; }
    .contact-list > div { grid-template-columns: 1fr; gap: .2rem; }
}


.map-frame {
    overflow: hidden;
    min-height: 260px;
    border: 1px solid var(--artel-gray-300);
    border-radius: 1rem;
    background: var(--artel-gray-100);
    box-shadow: var(--artel-shadow);
}

.map-frame iframe {
    display: block;
    width: 100%;
    min-height: 260px;
    border: 0;
}

.footer-socials {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 1rem;
}

.footer-socials a {
    display: inline-flex;
    align-items: center;
    min-height: 2.25rem;
    padding: .4rem .8rem;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 999px;
}

.service-icon { display: inline-grid; place-items: center; width: 76px; height: 76px; border: 2px solid rgba(15, 98, 170, .28); border-radius: 50%; background: rgba(15, 98, 170, .08); color: var(--artel-blue); font-size: 2rem; font-weight: 800; }
.service-icon.large { width: 120px; height: 120px; border-color: rgba(255,255,255,.32); background: rgba(255,255,255,.1); color: #fff; font-size: 3rem; }


/* Corporate certificates */
.corporate-certificates-section { background: var(--theme-background); }
.certificate-heading { align-items:end; }
.certificate-heading > p { max-width:560px; color:var(--artel-gray-700); margin:0; }
.certificate-card { height:100%; display:flex; flex-direction:column; padding:1rem; color:var(--artel-gray-900); background:#fff; border:1px solid var(--artel-gray-300); border-radius:var(--artel-radius); box-shadow:0 10px 30px rgba(16,52,89,.06); transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease; }
.certificate-card:hover { color:var(--artel-gray-900); transform:translateY(-4px); border-color:#b6cee5; box-shadow:0 18px 42px rgba(16,52,89,.11); }
.certificate-image { aspect-ratio:4/5; display:grid; place-items:center; overflow:hidden; padding:.8rem; margin-bottom:1rem; background:#f7f9fb; border-radius:calc(var(--artel-radius) * .7); }
.certificate-image img { width:100%; height:100%; object-fit:contain; display:block; }
.certificate-card strong { font-size:1rem; line-height:1.35; }
.certificate-card small { color:var(--artel-blue); margin-top:.45rem; font-weight:700; }
@media(max-width:767.98px){.certificate-heading{align-items:flex-start}.certificate-heading>p{margin-top:.75rem}}

@media (max-width: 575.98px) {
    .header-site-logo { max-width: 190px; max-height: 48px; }
    .footer-site-logo { max-width: 240px; max-height: 68px; }
}