/* ==========================================================================
   XZK Industrial Group Theme - Main Stylesheet (m2.8)
   Modern Industrial B2B Aesthetic & Mobile Responsive Architecture
   ========================================================================== */

:root {
    --xzk-primary: #C8102E;         /* Industrial Refractory Red */
    --xzk-primary-hover: #A00C24;
    --xzk-primary-light: #FEE2E2;
    --xzk-dark: #0F172A;            /* Deep Slate / Charcoal */
    --xzk-dark-light: #1E293B;
    --xzk-gray-bg: #F8FAFC;
    --xzk-gray-border: #CBD5E1;
    --xzk-text-main: #334155;
    --xzk-text-muted: #64748B;
    --xzk-whatsapp: #25D366;
    --xzk-whatsapp-hover: #1EBE5D;
    --xzk-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --xzk-radius: 6px;
    --xzk-transition: all 0.25s ease-in-out;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--xzk-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--xzk-text-main);
    background-color: #FFFFFF;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--xzk-transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   Container & Grid (Preserves User's Original Page Width)
   ========================================================================== */
.container,
.container-lg,
.container-md,
.container-sm,
.container-xl,
.container-xxl {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px) {
    .container { max-width: 540px; }
}
@media (min-width: 768px) {
    .container { max-width: 720px; }
}
@media (min-width: 992px) {
    .container { max-width: 960px; }
}
@media (min-width: 1200px) {
    .container { max-width: 1140px; }
}
@media (min-width: 1400px) {
    .container { max-width: 1320px; }
}

.container-wide {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header-wrapper {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 990;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.site-topbar {
    background: var(--xzk-dark);
    color: #94A3B8;
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge-dot {
    width: 7px;
    height: 7px;
    background: var(--xzk-whatsapp);
    border-radius: 50%;
    display: inline-block;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-link {
    color: #E2E8F0;
    display: flex;
    align-items: center;
    gap: 6px;
}
.topbar-link:hover {
    color: #ffffff;
}

.topbar-wa {
    color: #86EFAC;
    font-weight: 600;
}

.topbar-divider {
    color: #475569;
}

/* Main Navbar */
.site-navbar {
    height: 74px;
    display: flex;
    align-items: center;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.site-branding .custom-logo {
    height: 46px;
    width: auto;
    object-fit: contain;
}

.primary-nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.primary-nav-menu li {
    position: relative;
}

.primary-nav-menu a {
    font-size: 15px;
    font-weight: 600;
    color: var(--xzk-dark);
    padding: 12px 0;
    display: block;
}

.primary-nav-menu a:hover,
.primary-nav-menu .current-menu-item > a {
    color: var(--xzk-primary);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-search-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--xzk-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.hamburger-bar {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px auto;
    background-color: var(--xzk-dark);
    transition: var(--xzk-transition);
}

/* ==========================================================================
   Buttons & Core Components
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
    padding: 12px 24px;
    border-radius: var(--xzk-radius);
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--xzk-transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--xzk-primary) !important;
    border-color: var(--xzk-primary) !important;
    color: #ffffff !important;
}
.btn-primary:hover {
    background-color: var(--xzk-primary-hover) !important;
    border-color: var(--xzk-primary-hover) !important;
    box-shadow: 0 4px 12px rgba(200, 16, 46, 0.3);
}

.btn-secondary {
    background-color: var(--xzk-dark) !important;
    border-color: var(--xzk-dark) !important;
    color: #ffffff !important;
}
.btn-secondary:hover {
    background-color: var(--xzk-dark-light) !important;
    border-color: var(--xzk-dark-light) !important;
}

.btn-outline {
    background: transparent;
    border-color: var(--xzk-gray-border);
    color: var(--xzk-dark);
}
.btn-outline:hover {
    border-color: var(--xzk-dark);
    background: #ffffff;
}

.btn-whatsapp-hero {
    background-color: var(--xzk-whatsapp) !important;
    border-color: var(--xzk-whatsapp) !important;
    color: #ffffff !important;
}
.btn-whatsapp-hero:hover {
    background-color: var(--xzk-whatsapp-hover) !important;
    border-color: var(--xzk-whatsapp-hover) !important;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-quote-header {
    padding: 10px 20px;
    font-size: 14px;
}

/* ==========================================================================
   Complete Form Styling (Contact Form 7 + Bootstrap Forms + Custom)
   ========================================================================== */
.form-group, .mb-3 {
    margin-bottom: 18px;
}

label, .form-label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--xzk-dark);
    margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="search"],
input[type="url"],
select,
textarea,
.form-control,
.wpcf7-form-control.wpcf7-text,
.wpcf7-form-control.wpcf7-textarea,
.wpcf7-form-control.wpcf7-select {
    width: 100%;
    padding: 12px 14px;
    font-size: 14px;
    font-family: inherit;
    color: var(--xzk-text-main);
    background-color: #ffffff;
    border: 1px solid var(--xzk-gray-border);
    border-radius: var(--xzk-radius);
    transition: var(--xzk-transition);
    display: block;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

input:focus,
select:focus,
textarea:focus,
.form-control:focus,
.wpcf7-form-control:focus {
    outline: none;
    border-color: var(--xzk-primary);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.15);
    background-color: #ffffff;
}

textarea,
.wpcf7-textarea {
    resize: vertical;
    min-height: 110px;
}

/* Contact Form 7 Button & Notices */
.wpcf7-submit,
.btn-block-submit {
    display: block;
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    background-color: var(--xzk-primary);
    border: 1px solid var(--xzk-primary);
    border-radius: var(--xzk-radius);
    cursor: pointer;
    transition: var(--xzk-transition);
    text-align: center;
}

.wpcf7-submit:hover,
.btn-block-submit:hover {
    background-color: var(--xzk-primary-hover);
    border-color: var(--xzk-primary-hover);
    box-shadow: 0 4px 12px rgba(200, 16, 46, 0.3);
}

.wpcf7-response-output {
    margin: 16px 0 0 0 !important;
    padding: 12px 16px !important;
    border-radius: var(--xzk-radius);
    font-size: 14px;
}

.wpcf7-not-valid-tip {
    font-size: 12px;
    color: #DC2626;
    margin-top: 4px;
    display: block;
}

/* ==========================================================================
   Footer Styles
   ========================================================================== */
.site-footer {
    background: var(--xzk-dark);
    color: #94A3B8;
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr 1.2fr 1.5fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 18px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cert-pill {
    background: rgba(255, 255, 255, 0.06);
    color: #E2E8F0;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-heading {
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 14px;
    color: #94A3B8;
}
.footer-links a:hover {
    color: #ffffff;
    padding-left: 4px;
}

.footer-contact-items {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-contact-item .label {
    display: block;
    font-size: 12px;
    color: #64748B;
    text-transform: uppercase;
    font-weight: 600;
}

.footer-contact-item .val {
    font-size: 14px;
    color: #E2E8F0;
}

.footer-contact-item .val.highlight {
    color: #86EFAC;
    font-weight: 600;
}

.val-badge {
    display: inline-block;
    background: rgba(200, 16, 46, 0.15);
    color: #FCA5A5;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.footer-bottom {
    padding: 24px 0;
    font-size: 13px;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

/* ==========================================================================
   Mobile Sticky Action Bar (<768px Only)
   ========================================================================== */
.mobile-sticky-action-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 56px;
    background: #ffffff;
    box-shadow: 0 -3px 15px rgba(0, 0, 0, 0.12);
    z-index: 999;
}

.btn-mobile-action {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
}

.btn-mobile-wa {
    background: var(--xzk-whatsapp);
    color: #ffffff;
}

.btn-mobile-quote {
    background: var(--xzk-primary);
    color: #ffffff;
}

/* ==========================================================================
   Desktop Floating Sidebar
   ========================================================================== */
.xzk-floating-sidebar {
    position: fixed;
    right: 20px;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 980;
}

.float-item {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    border: none;
    transition: var(--xzk-transition);
}

.float-item:hover {
    transform: translateY(-3px);
}

.float-wa {
    background: var(--xzk-whatsapp);
    color: #ffffff;
}

.float-quote {
    background: var(--xzk-primary);
    color: #ffffff;
}

.float-email {
    background: var(--xzk-dark);
    color: #ffffff;
}

.float-top {
    background: #ffffff;
    color: var(--xzk-dark);
}

.float-tooltip {
    position: absolute;
    right: 58px;
    background: var(--xzk-dark);
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--xzk-transition);
    pointer-events: none;
}

.float-item:hover .float-tooltip {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .desktop-menu-wrap {
        display: none;
    }

    .mobile-nav-toggle {
        display: block;
    }
}

@media (max-width: 767px) {
    .site-topbar {
        display: none !important;
    }

    .site-navbar {
        height: 60px;
    }

    .desktop-menu-wrap {
        display: none;
    }

    .btn-quote-header {
        display: none;
    }

    .mobile-nav-toggle {
        display: block;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom-inner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .xzk-floating-sidebar {
        display: none !important;
    }

    .mobile-sticky-action-bar {
        display: flex;
    }

    body {
        padding-bottom: 56px;
    }
}


/* ==========================================================================
   Primary Navigation Menu & Multi-Level Dropdowns (Level 2 & Level 3)
   ========================================================================== */
.primary-nav-menu {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.primary-nav-menu > li {
    position: relative;
}

.primary-nav-menu > li > a {
    font-size: 15px;
    font-weight: 600;
    color: var(--xzk-dark);
    padding: 24px 0;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: var(--xzk-transition);
}

.primary-nav-menu > li.menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 2px solid #64748B;
    border-bottom: 2px solid #64748B;
    transform: rotate(45deg);
    margin-top: -3px;
    transition: var(--xzk-transition);
}

.primary-nav-menu > li:hover > a {
    color: var(--xzk-primary);
}

.primary-nav-menu > li:hover > a::after {
    border-color: var(--xzk-primary);
    transform: rotate(-135deg);
    margin-top: 3px;
}

/* Level 2 Dropdown (.sub-menu) */
.primary-nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 260px;
    background: #ffffff;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
    border: 1px solid var(--xzk-gray-border);
    border-top: 3px solid var(--xzk-primary);
    border-radius: 0 0 var(--xzk-radius) var(--xzk-radius);
    padding: 8px 0;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1000;
}

.primary-nav-menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.primary-nav-menu .sub-menu li {
    position: relative;
    margin: 0;
}

.primary-nav-menu .sub-menu li a {
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    line-height: 1.4;
    transition: var(--xzk-transition);
}

.primary-nav-menu .sub-menu li a:hover {
    background-color: #F8FAFC;
    color: var(--xzk-primary);
    padding-left: 24px;
}

.primary-nav-menu .sub-menu li.menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-right: 2px solid #94A3B8;
    border-top: 2px solid #94A3B8;
    transform: rotate(45deg);
}

/* Level 3 Dropdown (.sub-menu .sub-menu) */
.primary-nav-menu .sub-menu .sub-menu {
    top: 0;
    left: 100%;
    margin-left: 2px;
    border-top: 1px solid var(--xzk-gray-border);
    border-left: 3px solid var(--xzk-primary);
    border-radius: var(--xzk-radius);
}

/* Mobile Menu Nested Indents */
.mobile-menu-list .sub-menu {
    list-style: none;
    padding-left: 16px;
    margin: 4px 0;
    background: #F8FAFC;
    border-left: 2px solid var(--xzk-primary);
}
.mobile-menu-list .sub-menu a {
    font-size: 14px !important;
    font-weight: 500 !important;
    padding: 8px 12px !important;
    color: #475569 !important;
}
.mobile-menu-list .sub-menu .sub-menu {
    padding-left: 12px;
    border-left: 2px solid #CBD5E1;
}