/* ============================================================
   Pro Air Building Services — rebuild stylesheet
   Palette: navy #162133 · gray #f2f2f2 · white #fff
            text #3e3e3e · muted #6e6e6e
   ============================================================ */

:root {
    --proair-navy: #162133;
    --proair-gray: #f2f2f2;
    --proair-white: #ffffff;
    --proair-text: #3e3e3e;
    --proair-muted: #6e6e6e;
    --proair-max: 1140px;
}

/* ---------- Base ---------- */
.proair-page {
    font-family: "Helvetica Neue", Arial, sans-serif;
    color: var(--proair-text);
    line-height: 1.6;
    background: var(--proair-white);
}
.proair-page * { box-sizing: border-box; }
.proair-container {
    max-width: var(--proair-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Header ---------- */
.proair-header {
    background: var(--proair-white);
    border-bottom: 1px solid #e6e6e6;
    position: sticky;
    top: 0;
    z-index: 100;
}
.proair-header-inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.proair-logo { display: flex; flex-direction: column; align-items: center; line-height: 1; flex-shrink: 0; }
.proair-logo a { text-decoration: none; display: flex; flex-direction: column; align-items: center; }
.proair-logo-img { height: 84px; width: auto; display: block; }
.proair-logo-tag {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--proair-navy);
    margin-top: 6px;
    font-weight: 600;
}
.proair-nav { flex: 1; display: flex; justify-content: flex-end; margin-right: 5%; }
.proair-menu {
    list-style: none;
    display: flex;
    gap: 34px;
    margin: 0;
    padding: 0;
}
.proair-menu a {
    text-decoration: none;
    color: var(--proair-navy);
    font-size: 17px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 600;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: border-color .2s;
}
.proair-menu a:hover,
.proair-menu .current-menu-item > a {
    border-bottom-color: var(--proair-navy);
}
.proair-menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.proair-menu-toggle span { display: block; width: 24px; height: 2px; background: var(--proair-navy); margin: 5px 0; }

/* ---------- Hero ---------- */
.proair-hero {
    position: relative;
    color: #fff;
    padding: 0 20px;
    text-align: center;
    overflow: hidden;
    background: var(--proair-navy);
    min-height: clamp(240px, 22vw, 433px);
    display: flex;
    align-items: center;
}
.proair-hero-slider {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.proair-hero-slide {
    position: absolute;
    inset: 0;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}
.proair-hero-slide.is-active { opacity: 1; }
.proair-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 820px;
    margin: 0 auto;
}
.proair-hero-title {
    font-size: 44px;
    font-weight: 700;
    margin: 0 0 18px;
    letter-spacing: .5px;
    color: #0f1729;
    text-shadow: 0 0 5px rgba(255,255,255,.95), 0 0 14px rgba(255,255,255,.9), 0 0 28px rgba(255,255,255,.8), 0 0 44px rgba(255,255,255,.6);
}
.proair-hero-sub {
    font-size: 18px;
    color: #fff;
    margin: 0 0 30px;
    text-shadow: 0 1px 2px rgba(0,0,0,.96), 0 2px 6px rgba(0,0,0,.6);
}
.proair-btn {
    display: inline-block;
    background: var(--proair-navy);
    color: #fff;
    text-decoration: none;
    padding: 14px 34px;
    font-size: 14px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 600;
    border: 2px solid var(--proair-navy);
    transition: background .2s, color .2s;
}
.proair-btn:hover { background: transparent; color: #fff; }

/* ---------- Sections ---------- */
.proair-section { padding: 60px 0; }
.proair-section--white { background: var(--proair-white); }
.proair-section--gray { background: var(--proair-gray); }
.proair-services-banner {
    height: 360px;
    background: url("assets/services-pipes-banner.jpg") no-repeat center / cover;
}
.proair-divider { height: 14px; background: var(--proair-navy); }

.proair-heading {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #000;
    margin: 0 0 40px;
    letter-spacing: .5px;
    text-transform: uppercase;
}
.proair-heading--navy { color: var(--proair-navy); }
.proair-heading--light { color: #fff; }
.proair-heading--services { color: #3e3e3e; font-size: 36px; text-transform: uppercase; margin-bottom: 30px; }
.proair-heading--about { color: #3e3e3e; text-transform: uppercase; }
.proair-divider--services { height: 2px; background: var(--proair-navy); max-width: 100%; margin: 0 auto 50px; }

.proair-mission {
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
    font-size: 18px;
    color: var(--proair-text);
}

/* ---------- Services ---------- */
.proair-services {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.proair-service { text-align: center; }
.proair-service-icon { color: var(--proair-navy); margin-bottom: 14px; }
.proair-service-icon svg { width: 48px; height: 48px; }
.proair-service-title {
    font-size: 18px;
    font-weight: 700;
    color: #3e3e3e;
    text-transform: capitalize;
    margin: 0 0 16px;
    line-height: 1.4;
}
.proair-checklist { list-style: none; margin: 0; padding: 0; text-align: left; }
.proair-checklist li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    font-size: 16px;
    color: #000000;
}
.proair-checklist li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--proair-navy);
    font-weight: 700;
}

/* ---------- Parallax testimonials ---------- */
.proair-section--parallax {
    background:
        linear-gradient(rgba(255,255,255,.86), rgba(255,255,255,.86)),
        url("assets/hero.jpg") center/cover no-repeat fixed;
    padding: 80px 0;
}

/* ---------- Footer bar ---------- */
.proair-footerbar {
    background: var(--proair-navy);
    padding: 40px 0;
}
.proair-footerbar .proair-heading { margin-bottom: 0; font-size: 26px; }
.proair-footerbar-phone {
    display: block;
    width: fit-content;
    margin: 1.5px auto 0;
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
    text-decoration: none;
    transition: color .2s;
}
.proair-footerbar-phone:hover { color: #fff; }

/* ---------- Footer ---------- */
.proair-footer { background: #0f1826; color: #9aa4b2; padding: 26px 0; }
.proair-footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.proair-footer p { margin: 0; font-size: 14px; }
.proair-footer-privacy {
    font-size: 14px;
    color: #9aa4b2;
    text-decoration: none;
    transition: color .2s;
}
.proair-footer-privacy:hover { color: #fff; }

/* ---------- Privacy policy page ---------- */
.proair-privacy-updated { color: var(--proair-muted); font-size: 14px; margin-bottom: 24px; }

/* ---------- Page banner (inner pages) ---------- */
.proair-pagebanner {
    background:
        linear-gradient(rgba(22,33,51,.9), rgba(22,33,51,.9)),
        url("assets/hero.jpg") center/cover no-repeat;
    padding: 56px 0;
    text-align: center;
}
.proair-pagebanner-title {
    color: #fff;
    font-size: 38px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ---------- Prose (text-heavy pages) ---------- */
.proair-prose { max-width: 860px; }
.proair-prose p { font-size: 16px; margin: 0 0 18px; }
.proair-prose a { color: var(--proair-navy); }
.proair-prose a:hover { text-decoration: underline; }
.proair-subheading {
    font-size: 22px;
    font-weight: 700;
    color: var(--proair-navy);
    margin: 0 0 20px;
}
.proair-list { margin: 0 0 18px; padding-left: 20px; }
.proair-list li { margin-bottom: 10px; font-size: 16px; }
.proair-careers { max-width: 1170px; margin-left: auto; margin-right: auto; text-align: center; }
.proair-careers .proair-subheading { font-size: 28px; color: #3e3e3e; margin-bottom: 24px; }
.proair-careers p { color: #000000; }
.proair-careers .proair-list { padding-left: 0; list-style: none; }
.proair-careers .proair-list li { margin-bottom: 14px; }
.proair-careers-banner { width: 100%; overflow: hidden; }
.proair-careers-banner-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ---------- About (2-column: certificate + prose) ---------- */
.proair-heading--center { text-align: center; margin-bottom: 40px; }
.proair-about-grid {
    display: grid;
    grid-template-columns: 491px 1fr;
    gap: 48px;
    align-items: start;
}
.proair-about-cert { display: flex; justify-content: center; }
.proair-about-cert-img {
    width: auto;
    max-width: 491px;
    height: auto;
    border: 1px solid #e2e2e2;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.proair-about-prose { max-width: none; }

/* ---------- Contact ---------- */
.proair-contact-intro { text-align: center; font-size: 18px; margin: 0 0 40px; }
.proair-contact-map { margin: 0 auto 40px; max-width: 60%; }
.proair-map-link { display: block; cursor: pointer; }
.proair-map-link:hover .proair-map-img { box-shadow: 0 4px 16px rgba(0,0,0,0.16); }
.proair-map-img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid #e2e2e2;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: box-shadow .2s;
}
.proair-map-link-text {
    color: var(--proair-navy);
    text-decoration: none;
    cursor: pointer;
}
.proair-map-link-text:hover { color: #0d1626; }
.proair-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 48px;
    align-items: start;
}
.proair-contact-list { list-style: none; margin: 0; padding: 0; }
.proair-contact-list li {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #e6e6e6;
    font-size: 16px;
}
.proair-contact-list li:last-child { border-bottom: 0; }
.proair-contact-icon {
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #000000;
}
.proair-contact-icon svg { display: block; }
.proair-contact-list a { color: var(--proair-navy); }
.proair-contact-list a:hover { text-decoration: underline; }

.proair-form-row { display: flex; gap: 16px; }
.proair-form-row .proair-form-field { flex: 1; }
.proair-form-field { margin: 0 0 16px; }
.proair-form-field label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--proair-navy);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}
.proair-form-field input,
.proair-form-field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d5d9e0;
    border-radius: 2px;
    font-size: 15px;
    font-family: inherit;
    color: var(--proair-text);
    background: #fff;
}
.proair-form-field input:focus,
.proair-form-field textarea:focus {
    outline: none;
    border-color: var(--proair-navy);
}
.proair-btn--block { width: 100%; }
.proair-form-status { padding: 14px 16px; border-radius: 2px; font-size: 15px; margin-bottom: 20px; }
.proair-form-status--ok { background: #e6f4ea; color: #1e7e34; border: 1px solid #b7e0c2; }
.proair-form-status--err { background: #fdecea; color: #b02a1e; border: 1px solid #f5c6c0; }

/* Honeypot: hidden from humans, visible to bots. */
.proair-hp {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Cloudflare Turnstile widget. */
.proair-turnstile {
    margin: 4px 0 16px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .proair-services { grid-template-columns: repeat(2, 1fr); }
    .proair-hero-title { font-size: 32px; }
    .proair-contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .proair-about-grid { grid-template-columns: 1fr; gap: 32px; }
    .proair-about-cert { order: -1; }
    .proair-about-cert-img { max-width: 100%; }
    .proair-contact-map { max-width: 100%; }
}
@media (max-width: 640px) {
    .proair-menu-toggle { display: block; }
    .proair-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin-right: 0;
        background: #fff;
        border-bottom: 1px solid #e6e6e6;
        padding: 10px 0;
    }
    .proair-nav.is-open { display: block; }
    .proair-menu { flex-direction: column; gap: 0; }
    .proair-menu li { border-top: 1px solid #eee; }
    .proair-menu a { display: block; padding: 12px 20px; border-bottom: 0; }
    .proair-services { grid-template-columns: 1fr; }
    .proair-hero { padding: 0 16px; }
    .proair-hero-title { font-size: 26px; }
    .proair-pagebanner-title { font-size: 28px; }
    .proair-form-row { flex-direction: column; gap: 0; }
}