/**
 * TENDO SWIMMING POOLS & CONSTRUCTION SERVICES SMC LIMITED
 * STYLES.CSS - Page Layouts, Header, Footer, Components & Specific Styling
 */

/* ==========================================================================
   Top Information Bar
   ========================================================================== */
.topbar {
    background-color: var(--dark-navy);
    color: #cbd5e1;
    font-size: 0.88rem;
    padding: 9px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar a {
    color: #e2e8f0;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.topbar a:hover {
    color: var(--secondary-color);
}

.topbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.topbar-items {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

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

.topbar-item svg, .topbar-item .material-symbols-outlined {
    width: 15px;
    height: 15px;
    color: var(--secondary-color);
    flex-shrink: 0;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 18px;
}

.topbar-badge {
    background: rgba(222, 160, 30, 0.15);
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 0.78rem;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(222, 160, 30, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ==========================================================================
   Main Header & Navigation Bar
   ========================================================================== */
.site-header {
    background-color: #ffffff;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    box-shadow: 0 10px 25px rgba(9, 26, 41, 0.12);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.brand-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-fast);
}

.navbar-brand:hover .brand-logo {
    transform: scale(1.02);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.32rem;
    font-weight: 900;
    color: var(--dark-navy);
    line-height: 1.1;
    letter-spacing: -0.01em;
}

.brand-name span {
    color: var(--primary-color);
}

.brand-subtitle {
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--secondary-color);
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark-navy);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 8px 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: width var(--transition-base);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after, .nav-link:hover::after {
    width: 100%;
}

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

.nav-call-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--dark-navy);
}

.nav-call-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--secondary-light);
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.nav-call-btn:hover .nav-call-icon {
    background: var(--secondary-color);
    color: #ffffff;
    transform: rotate(15deg);
}

.nav-call-details {
    display: flex;
    flex-direction: column;
}

.nav-call-label {
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-call-number {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--dark-navy);
    line-height: 1.1;
}

.mobile-toggle-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 32px;
    height: 32px;
    justify-content: center;
    align-items: center;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.mobile-toggle-btn span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--dark-navy);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.mobile-toggle-btn.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-toggle-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Offcanvas Menu */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 380px;
    height: 100vh;
    background: #ffffff;
    z-index: 1005;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.2);
    padding: 90px 30px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: right var(--transition-base);
    overflow-y: auto;
}

.mobile-nav-drawer.open {
    right: 0;
}

.mobile-nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(9, 26, 41, 0.6);
    backdrop-filter: blur(3px);
    z-index: 1004;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-nav-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-navy);
    text-transform: uppercase;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-nav-link.active, .mobile-nav-link:hover {
    color: var(--primary-color);
}

.mobile-drawer-contact {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

/* ==========================================================================
   Hero Section (Home)
   ========================================================================== */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--dark-navy) 0%, #0c3352 50%, var(--primary-deep) 100%);
    color: #ffffff;
    padding: 90px 0 100px;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(12, 116, 186, 0.35) 0%, transparent 60%),
        radial-gradient(circle at 85% 70%, rgba(222, 160, 30, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.hero-badge {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    backdrop-filter: blur(6px);
}

.hero-badge.badge-gold-alt {
    background: rgba(222, 160, 30, 0.25);
    border-color: var(--secondary-color);
    color: #ffdf85;
}

.hero-title {
    font-size: clamp(2.4rem, 5.2vw, 3.8rem);
    font-weight: 900;
    line-height: 1.1;
    color: #ffffff;
    margin-bottom: 22px;
}

.hero-title span.gold-gradient {
    background: linear-gradient(90deg, #ffd166, #dea01e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-lead {
    font-size: 1.15rem;
    line-height: 1.7;
    color: #cbd5e1;
    margin-bottom: 34px;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.hero-highlight-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(222, 160, 30, 0.2);
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.hero-highlight-text {
    display: flex;
    flex-direction: column;
}

.hero-highlight-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
}

.hero-highlight-sub {
    font-size: 0.8rem;
    color: #94a3b8;
}

/* Quick Inquiry Card on Hero */
.hero-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    color: var(--text-main);
    position: relative;
}

.hero-card-header {
    margin-bottom: 22px;
}

.hero-card-title {
    font-size: 1.45rem;
    color: var(--dark-navy);
    margin-bottom: 6px;
}

.hero-card-subtitle {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin: 0;
}

/* ==========================================================================
   Inner Page Banner / Header
   ========================================================================== */
.page-banner {
    position: relative;
    background: linear-gradient(135deg, var(--dark-navy) 0%, #0d3b5e 100%);
    color: #ffffff;
    padding: 65px 0 70px;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 90% 20%, rgba(12, 116, 186, 0.3) 0%, transparent 60%);
    pointer-events: none;
}

.page-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
}

.page-banner-title {
    font-size: clamp(2rem, 4vw, 2.9rem);
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 14px;
}

.page-banner-desc {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 20px;
    line-height: 1.6;
}

.breadcrumb-nav {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    font-size: 0.88rem;
    font-weight: 600;
}

.breadcrumb-nav a {
    color: #cbd5e1;
}

.breadcrumb-nav a:hover {
    color: var(--secondary-color);
}

.breadcrumb-nav span.separator {
    color: rgba(255, 255, 255, 0.4);
}

.breadcrumb-nav span.current {
    color: var(--secondary-color);
}

/* ==========================================================================
   Specialized Swimming Pools Highlight Section
   ========================================================================== */
.pool-spotlight-section {
    background: linear-gradient(180deg, var(--bg-soft-blue) 0%, #ffffff 100%);
    position: relative;
}

.pool-feature-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
}

.pool-feature-box:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.pool-feature-icon {
    width: 58px;
    height: 58px;
    border-radius: var(--radius-md);
    background: var(--primary-subtle);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 20px;
}

.pool-feature-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--dark-navy);
}

.pool-feature-desc {
    font-size: 0.94rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    flex-grow: 1;
}

.pool-items-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pool-item-tag {
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    color: var(--dark-navy);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
}

/* ==========================================================================
   Multi-Disciplinary Scope Feature Grid
   ========================================================================== */
.scope-banner-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: 45px 40px;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.scope-banner-box::before {
    content: '';
    position: absolute;
    right: -40px;
    bottom: -40px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(222, 160, 30, 0.25) 0%, transparent 70%);
    border-radius: 50%;
}

.scope-banner-title {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 14px;
}

.scope-banner-desc {
    font-size: 1.05rem;
    color: #e2e8f0;
    max-width: 750px;
    margin-bottom: 24px;
    line-height: 1.65;
}

.scope-check-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.scope-check-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 0.98rem;
    color: #ffffff;
}

.scope-check-item svg {
    color: var(--secondary-color);
    flex-shrink: 0;
}

/* ==========================================================================
   Why Choose Us & Target Sectors
   ========================================================================== */
.why-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 28px 24px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.why-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.why-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--primary-subtle);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.why-icon.gold-icon {
    background: var(--secondary-light);
    color: var(--secondary-color);
}

.why-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
    color: var(--dark-navy);
}

.why-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* Target Sectors Grid */
.sector-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    transition: all var(--transition-base);
}

.sector-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.sector-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: var(--bg-soft-blue);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    transition: all var(--transition-base);
}

.sector-card:hover .sector-icon {
    background: var(--primary-color);
    color: #ffffff;
    transform: scale(1.1);
}

.sector-name {
    font-size: 1.12rem;
    margin-bottom: 8px;
    color: var(--dark-navy);
}

.sector-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}

/* ==========================================================================
   Call to Action (CTA) Section
   ========================================================================== */
.cta-banner {
    position: relative;
    background: linear-gradient(135deg, var(--dark-navy) 0%, #0c385b 100%);
    border-radius: var(--radius-xl);
    padding: 60px 48px;
    color: #ffffff;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 350px;
    height: 100%;
    background: radial-gradient(circle at center, rgba(222, 160, 30, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.cta-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 36px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    color: #ffffff;
    margin-bottom: 14px;
}

.cta-desc {
    font-size: 1.05rem;
    color: #cbd5e1;
    line-height: 1.65;
    margin: 0;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 14px;
    justify-content: center;
}

/* ==========================================================================
   Contact Page Layout
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 40px;
}

.contact-info-card {
    background: linear-gradient(135deg, var(--dark-navy) 0%, #0d385c 100%);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    color: #ffffff;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-info-card h3 {
    color: #ffffff;
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.contact-info-card p.subtitle {
    color: #cbd5e1;
    font-size: 0.95rem;
    margin-bottom: 30px;
}

.contact-detail-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-detail-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.12);
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-detail-content {
    display: flex;
    flex-direction: column;
}

.contact-detail-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #94a3b8;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.contact-detail-value {
    font-size: 1.02rem;
    font-weight: 600;
    color: #ffffff;
}

.contact-detail-value a {
    color: #ffffff;
}

.contact-detail-value a:hover {
    color: var(--secondary-color);
}

.contact-form-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    padding: 40px 36px;
    box-shadow: var(--shadow-md);
}

.contact-form-title {
    font-size: 1.65rem;
    margin-bottom: 8px;
    color: var(--dark-navy);
}

.contact-form-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 28px;
}

/* ==========================================================================
   Site Footer
   ========================================================================== */
.site-footer {
    background-color: var(--dark-navy);
    color: #cbd5e1;
    padding-top: 75px;
    border-top: 4px solid var(--primary-color);
    position: relative;
}

.footer-top {
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 1fr 1.1fr;
    gap: 36px;
}

.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-logo-box {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.footer-logo {
    height: 54px;
    width: auto;
    background: #ffffff;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.footer-desc {
    font-size: 0.93rem;
    line-height: 1.65;
    color: #94a3b8;
    margin-bottom: 22px;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 36px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.footer-links a {
    color: #cbd5e1;
    font-size: 0.93rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.footer-links a::before {
    content: 'chevron_right';
    font-family: 'Material Symbols Outlined';
    font-size: 1.1rem;
    line-height: 1;
    color: var(--secondary-color);
    transition: transform var(--transition-fast);
}

.footer-links a:hover {
    color: #ffffff;
    transform: translateX(4px);
}

.footer-contact-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.92rem;
}

.footer-contact-item svg, .footer-contact-item > .material-symbols-outlined {
    color: var(--secondary-color);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-contact-item a {
    color: #cbd5e1;
}

.footer-contact-item a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    padding: 22px 0;
    font-size: 0.88rem;
    color: #94a3b8;
}

.footer-bottom-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
}

.footer-bottom a {
    color: #cbd5e1;
}

.footer-bottom a:hover {
    color: var(--secondary-color);
}

/* ==========================================================================
   Floating Quick Action Buttons
   ========================================================================== */
.floating-actions {
    position: fixed;
    bottom: 25px;
    right: 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.floating-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.floating-btn:hover {
    transform: scale(1.1) translateY(-3px);
}

.floating-btn.whatsapp-btn {
    background-color: #25d366;
}

.floating-btn.call-btn {
    background-color: var(--primary-color);
}

.floating-btn.back-to-top {
    background-color: var(--dark-navy);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-fast);
}

.floating-btn.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   Responsive Rules
   ========================================================================== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .cta-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

@media (max-width: 960px) {
    .nav-menu, .nav-actions .nav-call-btn {
        display: none;
    }

    .mobile-toggle-btn {
        display: flex;
    }

    .topbar-items {
        gap: 14px;
    }
}

@media (max-width: 640px) {
    .topbar {
        display: none;
    }
}

/* ==========================================================================
   Page Content Extensions
   ========================================================================== */
.project-showcase { background: #ffffff; }
.hero-section { isolation: isolate; background: var(--dark-navy); }
.hero-slides { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-slides::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5, 31, 51, .94) 0%, rgba(5, 43, 72, .82) 52%, rgba(5, 43, 72, .63) 100%); z-index: 2; }
.hero-section::before { z-index: 1; }
.hero-slide { position: absolute; inset: 0; opacity: 0; background-position: center; background-size: cover; animation: hero-slide-show 30s infinite; transform: scale(1.06); }
.hero-slide.slide-one { background-image: url('../images/wide-pool.jpg'); animation-delay: 0s; }
.hero-slide.slide-two { background-image: url('../images/construction-team-with-client.jpg'); animation-delay: 6s; }
.hero-slide.slide-three { background-image: url('../images/inside-the-pool.jpg'); animation-delay: 12s; }
.hero-slide.slide-four { background-image: url('../images/engineers-at-work.jpg'); animation-delay: 18s; }
.hero-slide.slide-five { background-image: url('../images/mutungo/20260724_122242.jpg'); animation-delay: 24s; }
@keyframes hero-slide-show { 0%, 18% { opacity: 1; transform: scale(1.06); } 20%, 100% { opacity: 0; transform: scale(1); } }
.mutungo-story { display: grid; grid-template-columns: 1.05fr .95fr; gap: 38px; align-items: center; }
.mutungo-hero-image { position: relative; min-height: 480px; overflow: hidden; border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); }
.mutungo-hero-image img { width: 100%; height: 100%; position: absolute; object-fit: cover; }
.mutungo-image-label { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px; background: linear-gradient(transparent, rgba(9, 26, 41, .92)); color: #ffffff; display: flex; flex-direction: column; }
.mutungo-image-label span { color: #ffd166; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; }
.mutungo-image-label strong { font-family: var(--font-heading); font-size: 1.6rem; }
.mutungo-content h3 { font-size: clamp(1.8rem, 3vw, 2.3rem); margin-bottom: 14px; }
.mutungo-content > p { font-size: 1.05rem; margin-bottom: 24px; }
.mutungo-image-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 24px 0; }
.mutungo-image-pair img { width: 100%; height: 180px; object-fit: cover; border-radius: var(--radius-lg); }
.cta-banner { background: linear-gradient(135deg, var(--dark-navy), var(--primary-deep)); color: #ffffff; }
.cta-grid { display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: center; }
.cta-banner h2 { color: #ffffff; font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 10px; }
.cta-banner p { color: #cbd5e1; font-size: 1.05rem; }
.cta-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
.about-intro { align-items: center; }
.about-image-stack { position: relative; }
.about-image-stack img { width: 100%; height: 440px; object-fit: cover; border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); }
.about-image-caption { position: absolute; bottom: 20px; left: 20px; right: 20px; padding: 18px 20px; background: rgba(9, 26, 41, .88); border-left: 4px solid var(--secondary-color); border-radius: var(--radius-sm); color: #ffffff; display: flex; flex-direction: column; }
.about-image-caption span { color: #cbd5e1; font-size: .9rem; }
.purpose-card { background: #ffffff; padding: 42px; border-radius: var(--radius-xl); border: 1px solid var(--border-color); box-shadow: var(--shadow-sm); }
.purpose-card h2 { margin-bottom: 16px; }
.service-detail-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 48px; align-items: center; padding: 42px 0; }
.service-detail-grid img { width: 100%; height: 390px; object-fit: cover; border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); }
.service-detail-grid h2 { margin-bottom: 16px; }
.check-list { display: grid; gap: 12px; margin-top: 22px; }
.check-list li { display: flex; gap: 10px; color: var(--text-muted); }
.check-list li::before { content: 'check'; color: var(--secondary-color); font-family: 'Material Symbols Outlined'; font-weight: 400; }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 32px; align-items: stretch; }
.shop-intro { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 42px; }
.shop-intro h2 { margin: 0; }
.shop-intro p { max-width: 500px; margin: 0; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card { background: #ffffff; border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); transition: transform var(--transition-base), box-shadow var(--transition-base); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-image { display: block; height: 210px; overflow: hidden; background: var(--bg-soft-blue); }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.product-card:hover .product-image img { transform: scale(1.06); }
.product-card-body { padding: 22px; display: flex; flex: 1; flex-direction: column; align-items: flex-start; }
.product-category { color: var(--primary-color); font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
.product-card h2 { font-size: 1.3rem; margin-bottom: 10px; }
.product-card h2 a { color: var(--dark-navy); }
.product-card p { font-size: .9rem; line-height: 1.55; flex: 1; }
.shop-assistance { background: linear-gradient(135deg, var(--dark-navy), var(--primary-deep)); padding: 65px 0; color: #ffffff; }
.shop-assistance-content { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.shop-assistance h2 { color: #ffffff; margin-bottom: 8px; }
.shop-assistance p { color: #cbd5e1; margin: 0; }
.product-detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.product-detail-image { height: 500px; overflow: hidden; border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); }
.product-detail-image img { height: 100%; width: 100%; object-fit: cover; }
.product-detail-content h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; }
.product-detail-content h3 { margin: 28px 0 4px; font-size: 1.3rem; }
.product-detail-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.product-note { border-left: 3px solid var(--secondary-color); background: var(--secondary-light); padding: 12px 14px; margin-top: 26px; font-size: .88rem; }
@media (max-width: 1024px) { .service-detail-grid, .mutungo-story, .product-detail-layout { grid-template-columns: 1fr; gap: 28px; } .product-grid { grid-template-columns: repeat(2, 1fr); } .shop-intro { align-items: start; flex-direction: column; gap: 12px; } }
@media (max-width: 640px) { .about-image-stack img, .service-detail-grid img, .mutungo-hero-image, .product-detail-image { height: 300px; min-height: 0; } .purpose-card { padding: 28px 22px; } .product-grid { grid-template-columns: 1fr; } .shop-assistance-content { align-items: start; flex-direction: column; } .hero-slides::after { background: rgba(5, 31, 51, .85); } }
@media (prefers-reduced-motion: reduce) { .hero-slide { animation: none; } .hero-slide:not(.slide-one) { display: none; } }

@media (max-width: 640px) {

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

    .hero-highlights {
        grid-template-columns: 1fr;
    }

    .cta-banner {
        padding: 40px 24px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .contact-form-card {
        padding: 28px 20px;
    }

    .contact-info-card {
        padding: 28px 20px;
    }
}