:root {
    --oxygen-red: #d7251d;
    --oxygen-dark: #111418;
    --oxygen-soft: #f5f6f7;
    --oxygen-muted: #66707a;
    --oxygen-border: #e5e7eb;
}

html { scroll-behavior: smooth; }
body { overflow-x: hidden; }
a { text-underline-offset: 3px; }

.top-info {
    background: var(--oxygen-dark);
    color: #fff;
    padding: 9px 16px;
    text-align: center;
    font-size: .92rem;
    line-height: 1.4;
}
.top-info a { color: #fff; font-weight: 700; }

.brand-logo,
a.footer-logo {
    color: #fff;
    font-weight: 800;
    letter-spacing: -.03em;
    text-decoration: none;
}
.brand-logo { font-size: clamp(1.5rem, 3vw, 2.25rem); }
.brand-logo span { display: block; font-size: .68rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; opacity: .8; }
a.footer-logo { font-size: 2.75rem; }
.brand-logo:hover, a.footer-logo:hover { color: #fff; }

#main_nav a { cursor: pointer; }
.theme-btn { color: #fff !important; text-decoration: none !important; }
.theme-btn-outline { background: transparent !important; border: 2px solid rgba(255,255,255,.75) !important; }
a.schedule { background: var(--oxygen-red); }

/* Header states: the home header overlays the hero; inner pages use a solid readable header. */
.header { position: relative; z-index: 1000; }
.header-overlay { position: absolute; left: 0; right: 0; z-index: 1000; }
.header-overlay .navbar { background: rgba(17, 20, 24, .18) !important; border-bottom-color: rgba(255,255,255,.16); }
.header-overlay .brand-logo,
.header-overlay .navbar .nav-item .nav-link { color: #fff; }
.header-overlay .brand-logo:hover,
.header-overlay .navbar .nav-item .nav-link:hover { color: #fff; }

.header-solid .navbar { background: #fff !important; border-bottom: 1px solid var(--oxygen-border); }
.header-solid .brand-logo,
.header-solid .navbar .nav-item .nav-link { color: var(--oxygen-dark); }
.header-solid .brand-logo:hover,
.header-solid .navbar .nav-item .nav-link:hover { color: var(--oxygen-red); }

.main { margin-top: 0 !important; }
.hero-section { position: relative; }
.hero-single { min-height: 720px; display: flex; align-items: center; background-position: center; background-size: cover; }
.hero-single::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,8,12,.86) 0%, rgba(5,8,12,.62) 48%, rgba(5,8,12,.42) 100%); }
.hero-single > .container { position: relative; z-index: 1; }
.hero-content { padding: 120px 0 80px; }
.hero-content .hero-title { font-size: clamp(2.7rem, 5.2vw, 5rem); line-height: 1.02; max-width: 760px; }
.hero-content > p { max-width: 680px; font-size: clamp(1rem, 1.7vw, 1.2rem); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

.contact-form { padding: 30px !important; background: rgba(255,255,255,.97); border-radius: 16px; box-shadow: 0 24px 70px rgba(0,0,0,.22); }
.contact-form-header h2 { margin-bottom: 8px; }
.contact-form .form-group { margin-bottom: 14px; }
.contact-form label { display: block; margin-bottom: 6px; color: #20242a; font-weight: 700; font-size: .9rem; }
.contact-form .form-control { min-height: 48px; border-radius: 9px; }
.contact-form textarea.form-control { min-height: 120px; }

.about-img img, .service-img img, .gallery-item img { width: 100%; height: auto; }
.service-item { height: 100%; }
.service-content { min-height: 250px; }
.service-text { color: rgba(255,255,255,.82); line-height: 1.7; }
.service-title { color: #fff; }

.reviews-section { background: var(--oxygen-soft); }
.section-intro, .lead-copy { max-width: 760px; margin-left: auto; margin-right: auto; color: var(--oxygen-muted); }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; margin-top: 36px; }
.review-card { background: #fff; border: 1px solid var(--oxygen-border); border-radius: 16px; padding: 28px; box-shadow: 0 12px 30px rgba(17,20,24,.06); }
.review-card p { line-height: 1.75; }
.review-card h2, .review-card h3 { font-size: 1rem; margin: 18px 0 0; }
.review-stars { color: #9a6b00; letter-spacing: .1em; margin-bottom: 14px; }
.reviews-actions { margin-top: 28px; }
.review-disclaimer { font-size: .86rem; color: var(--oxygen-muted); }

.cta-content h2 { font-size: clamp(2.4rem, 7vw, 5.2rem); line-height: 1.05; }
.cta-content h6 { font-size: clamp(1rem, 2vw, 1.35rem); }

.gallery-item { aspect-ratio: 4 / 3; overflow: hidden; border-radius: 12px; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }
.contact-map iframe { display: block; border-radius: 14px; }

.newsletter-note { font-size: .78rem; line-height: 1.5; opacity: .8; margin-top: 10px; }
.footer-contact a { overflow-wrap: anywhere; }
.legal-content { max-width: 860px; }
.legal-content h1 { margin-bottom: 10px; }
.legal-content h2 { margin-top: 34px; font-size: 1.5rem; }
.legal-content p { line-height: 1.75; }
.legal-updated, .eyebrow { color: var(--oxygen-muted); }

.ui-scrolltop { bottom: 24px !important; right: 18px !important; }

@media (min-width: 992px) {
    .mobile-menu-right { display: none !important; }
}

@media (max-width: 991.98px) {
    .header-overlay .navbar { background: rgba(17,20,24,.72) !important; }
    .header-solid .navbar { background: var(--oxygen-dark) !important; border-bottom-color: rgba(255,255,255,.12); }
    .header-solid .brand-logo { color: #fff; }
    .hero-single { min-height: auto; }
    .hero-content { padding: 90px 0 32px; }
    .contact-area { padding-bottom: 70px; }
    .review-grid { grid-template-columns: 1fr; }
    .navbar-collapse { padding: 18px 0 26px; }
    .header-nav-right { margin-top: 12px; }
    .mobile-call { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; color: #fff; }
}

@media (max-width: 575.98px) {
    .top-info { font-size: .82rem; padding: 8px 12px; }
    .hero-content { padding-top: 72px; }
    .hero-content .hero-title { font-size: clamp(2.2rem, 12vw, 3.35rem); }
    .hero-actions .theme-btn { width: 100%; text-align: center; }
    .contact-form { padding: 20px !important; border-radius: 12px; }
    .py-120 { padding-top: 72px !important; padding-bottom: 72px !important; }
    .service-content { min-height: auto; }
    .contact-info { margin-bottom: 12px; }
    .contact-map iframe { height: 340px !important; }
    a.footer-logo { font-size: 2.1rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

.faq-area { background: #fff; }
.section-intro-left { margin-left: 0; }
.faq-area .accordion-item { border: 1px solid var(--oxygen-border); border-radius: 10px; overflow: hidden; margin-bottom: 12px; }
.faq-area .accordion-button { font-weight: 700; color: var(--oxygen-dark); }
.faq-area .accordion-button:not(.collapsed) { background: #f7f7f7; color: var(--oxygen-dark); box-shadow: none; }
.faq-area .accordion-button:focus { box-shadow: 0 0 0 3px rgba(215,37,29,.18); }

.service-featured-link { margin: -18px 0 42px; }
.service-detail-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; color: #fff; font-weight: 700; text-decoration: underline; }
.service-detail-link:hover { color: #fff; opacity: .82; }
.service-landing { background: #fff; }
.service-hero { background: #f5f6f7; padding-top: 150px; }
.service-hero h1 { font-size: clamp(2.7rem, 5.5vw, 5rem); line-height: 1.03; margin: 12px 0 22px; }
.service-lead { font-size: 1.18rem; line-height: 1.8; max-width: 760px; }
.service-hero-image { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 18px; box-shadow: 0 20px 50px rgba(17,20,24,.14); }
.breadcrumb-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 36px; font-size: .9rem; }
.breadcrumb-nav a { color: #313840; text-decoration: underline; }
.theme-btn-dark { background: #111418 !important; }
.service-body h2 { margin: 30px 0 16px; font-size: 2rem; }
.service-body h2:first-child { margin-top: 0; }
.service-checklist { display: grid; gap: 14px; margin-bottom: 34px; }
.service-checklist li { position: relative; padding-left: 30px; line-height: 1.7; }
.service-checklist li::before { content: "✓"; position: absolute; left: 0; top: 0; font-weight: 800; color: var(--oxygen-red); }
.service-safety-note { margin-top: 34px; padding: 20px; border-left: 4px solid var(--oxygen-red); background: #fafafa; line-height: 1.7; }
.service-contact-card, .service-related-card { border: 1px solid var(--oxygen-border); border-radius: 16px; padding: 24px; margin-bottom: 20px; }
.service-contact-card h2, .service-related-card h2 { font-size: 1.45rem; margin-top: 0; }
.service-contact-card a { display: block; margin-top: 12px; overflow-wrap: anywhere; }
.service-related-card ul { display: grid; gap: 10px; }
.service-related-card a { text-decoration: underline; }
.service-cta { background: var(--oxygen-dark); color: #fff; }
.service-cta h2 { color: #fff; font-size: clamp(2.2rem, 4vw, 3.5rem); margin: 12px 0; }
.service-cta p { color: rgba(255,255,255,.78); margin-bottom: 24px; }
@media (max-width: 575.98px) { .service-hero { padding-top: 100px; } .service-hero-image { aspect-ratio: 16 / 10; } }

#oxygen-runtime-config { display: none !important; }
.cookie-consent[hidden] { display: none !important; }
.cookie-consent { position: fixed; inset: 0; z-index: 100000; display: flex; align-items: flex-end; justify-content: center; padding: 18px; background: rgba(7,10,13,.52); }
.cookie-consent-card { width: min(920px, 100%); max-height: calc(100vh - 36px); overflow: auto; background: #fff; border-radius: 18px; padding: 28px; box-shadow: 0 24px 80px rgba(0,0,0,.26); }
.cookie-consent-copy h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); margin: 8px 0 10px; }
.cookie-consent-copy p { line-height: 1.65; }
.cookie-consent-settings { display: grid; gap: 10px; margin-top: 22px; }
.consent-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; border: 1px solid var(--oxygen-border); border-radius: 12px; padding: 14px 16px; color: var(--oxygen-dark); cursor: pointer; }
.consent-row span { display: grid; }
.consent-row small { color: var(--oxygen-muted); font-weight: 400; line-height: 1.45; }
.consent-row input { width: 22px; height: 22px; flex: 0 0 auto; }
.cookie-consent-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.consent-secondary { border: 1px solid #ced2d6; background: #fff; color: var(--oxygen-dark); padding: 12px 16px; font-weight: 700; cursor: pointer; }
.newsletter-consent { display: flex; align-items: flex-start; gap: 9px; margin-top: 12px; }
.newsletter-consent label { color: #fff; font-size: .82rem; line-height: 1.45; cursor: pointer; }
.newsletter-consent .ui-chkbox { flex: 0 0 auto; }
@media (max-width: 575.98px) { .cookie-consent { padding: 10px; } .cookie-consent-card { padding: 20px; border-radius: 14px; } .cookie-consent-actions > * { width: 100%; } }

.contact-consent { display: flex; align-items: flex-start; gap: 10px; margin: 6px 0 18px; color: #333; }
.contact-consent label { margin: 0; font-weight: 500; line-height: 1.45; }
.contact-consent .ui-chkbox { flex: 0 0 auto; margin-top: 2px; }
.unsubscribe-page { background: #f5f6f7; padding-top: 160px; min-height: 70vh; }
.unsubscribe-card { max-width: 620px; margin: 0 auto; background: #fff; border: 1px solid var(--oxygen-border); border-radius: 18px; padding: 32px; box-shadow: 0 16px 45px rgba(17,20,24,.08); }
.unsubscribe-card h1 { margin: 8px 0 12px; }
.unsubscribe-card label { display: block; margin: 20px 0 6px; color: var(--oxygen-dark); font-weight: 700; }
.unsubscribe-card .form-control { min-height: 50px; margin-bottom: 16px; }
.unsubscribe-help { margin-top: 22px; color: var(--oxygen-muted); }

.knowledge-preview { background: #f5f6f7; }
.guide-preview-grid, .guide-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.guide-preview-grid article, .guide-card { background: #fff; border: 1px solid var(--oxygen-border); border-radius: 16px; padding: 24px; box-shadow: 0 10px 28px rgba(17,20,24,.05); }
.guide-preview-grid h3, .guide-card h2 { font-size: 1.45rem; margin-bottom: 10px; }
.guide-preview-grid p, .guide-card p { line-height: 1.7; color: var(--oxygen-muted); }
.guides-hub { background: #f5f6f7; padding-top: 160px; min-height: 75vh; }
.guides-hub h1 { font-size: clamp(2.8rem,6vw,5rem); margin: 10px 0 14px; }
.hub-intro { max-width: 780px; font-size: 1.12rem; line-height: 1.75; margin-bottom: 38px; }
.guide-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.guide-card > span { font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; color: var(--oxygen-red); }
.guide-card h2 { margin-top: 8px; }
.guide-read { margin-top: 16px; font-weight: 700; text-decoration: underline; }
.guide-health-note { margin-top: 34px; padding: 18px 20px; border-left: 4px solid var(--oxygen-red); background: #fff; }
.guide-hero { background: #f5f6f7; padding-top: 160px; }
.guide-container { max-width: 850px; }
.guide-hero h1 { font-size: clamp(2.8rem,6vw,5.2rem); line-height: 1.04; margin: 12px 0 20px; }
.article-dek { font-size: 1.2rem; line-height: 1.8; color: #4f5963; }
.article-byline { margin-top: 22px; font-size: .9rem; color: var(--oxygen-muted); }
.guide-content { font-size: 1.06rem; }
.article-section { margin-bottom: 42px; }
.article-section h2 { font-size: 2rem; margin-bottom: 12px; }
.article-section p { line-height: 1.85; }
.article-cta { margin-top: 56px; padding: 30px; border-radius: 16px; background: #f5f6f7; }
.article-cta h2 { margin-bottom: 10px; }
.article-cta p { line-height: 1.75; }
.article-safety { margin-top: 26px; padding: 18px 20px; border-left: 4px solid #9aa1a8; background: #fafafa; font-size: .9rem; line-height: 1.65; }
@media(max-width: 767.98px){ .guide-preview-grid,.guide-grid{grid-template-columns:1fr;} .guides-hub,.guide-hero{padding-top:110px;} }

/* Accessibility and interaction polish */
.skip-link { position: fixed; left: 16px; top: 12px; z-index: 100001; padding: 10px 14px; background: #fff; color: var(--oxygen-dark); font-weight: 800; border-radius: 8px; transform: translateY(-160%); transition: transform .16s ease; }
.skip-link:focus { transform: translateY(0); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, .ui-inputfield:focus-visible { outline: 3px solid rgba(215,37,29,.55) !important; outline-offset: 3px; }
.hero-sub-title { display: inline-block; margin-bottom: 14px; font-weight: 700; letter-spacing: .08em; }
.social-label { margin: 0 0 8px; font-weight: 700; }
.contact-info-content h3 { font-size: 1.05rem; margin-bottom: 4px; }
#main-content:focus { outline: none; }
@media (max-width: 1199.98px) { .navbar-nav { row-gap: 4px; } }

.form-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.footer-link-button { border: 0; padding: 0; background: transparent; color: inherit; font: inherit; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.footer-link-button:hover { color: #fff; }
.error-page { background: #f5f6f7; min-height: 65vh; display: flex; align-items: center; }
.error-card { max-width: 760px; }
.error-card h1 { font-size: clamp(2.5rem, 6vw, 5rem); margin: 10px 0 16px; }
.error-card p { max-width: 650px; margin: 0 auto 28px; font-size: 1.08rem; line-height: 1.75; }