/* --- Color Variables & Setup --- */
:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --secondary: #0f172a;
    --bg-light: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #334155;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
}

body {
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
}

/* --- Navigation --- */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 16px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--secondary);
    text-decoration: none;
}

.logo-icon {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-btn {
    background: var(--primary);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.nav-btn:hover {
    background: var(--primary-dark);
}

/* --- Hero Section with Dynamic Background Zoom --- */
.hero {
    position: relative;
    height: 80vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #ffffff;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    animation: zoomEffect 16s ease-in-out infinite alternate;
    z-index: 1;
}

@keyframes zoomEffect {
    0% { transform: scale(1); }
    100% { transform: scale(1.15); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.85) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 700px;
}

.sub-heading {
    color: #38bdf8;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: block;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.15rem;
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 30px;
}

.call-card {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 16px 24px;
    border-radius: var(--radius);
    color: #ffffff;
    text-decoration: none;
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

.call-card:hover {
    background: rgba(255, 255, 255, 0.25);
}

.call-card i {
    font-size: 1.8rem;
    color: #38bdf8;
}

.call-card span {
    display: block;
    font-size: 0.8rem;
    color: #cbd5e1;
}

.call-card strong {
    font-size: 1.2rem;
}

/* --- Trust Bar --- */
.trust-bar {
    background: var(--secondary);
    padding: 20px 0;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ffffff;
}

.trust-item i {
    font-size: 1.5rem;
    color: #38bdf8;
}

.trust-item strong {
    display: block;
    font-size: 0.9rem;
}

.trust-item span {
    font-size: 0.75rem;
    color: #94a3b8;
}

/* --- About Section --- */
.about {
    padding: 80px 0;
}

.about-grid {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 40px;
    border: 1px solid var(--border);
}

.tag {
    background: #e0f2fe;
    color: var(--primary-dark);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 12px;
}

.about-text h2 {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 16px;
}

.about-text p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.about-text a {
    color: var(--primary);
    font-weight: 600;
}

.info-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

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

.info-item i {
    color: var(--primary);
    font-size: 1.2rem;
    margin-top: 4px;
}

.info-item strong {
    display: block;
    color: var(--secondary);
    font-size: 0.9rem;
}

.info-item p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* --- Services Section --- */
.services {
    padding: 80px 0;
    background: #f1f5f9;
}

.section-title {
    text-align: center;
    margin-bottom: 48px;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.section-title p {
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--card-bg);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: 0 12px 24px -6px rgba(0, 0, 0, 0.08);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: #e0f2fe;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .icon-box {
    background: var(--primary);
    color: #ffffff;
    transform: rotateY(180deg);
}

.service-card h3 {
    font-size: 1.25rem;
    color: var(--secondary);
    margin-bottom: 10px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* --- Service Areas Section --- */
.areas {
    padding: 80px 0;
    background: #ffffff;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.area-card {
    background: var(--bg-light);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.area-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.06);
}

.area-card i {
    color: var(--primary);
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.area-card h3 {
    font-size: 1.1rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.area-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* --- Testimonials Section --- */
.testimonials {
    padding: 80px 0;
    background: #f1f5f9;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--card-bg);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.stars {
    color: #f59e0b;
    margin-bottom: 16px;
    font-size: 1rem;
}

.testimonial-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author strong {
    display: block;
    color: var(--secondary);
    font-size: 0.95rem;
}

.testimonial-author span {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* --- Gallery Section --- */
.gallery {
    padding: 80px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 220px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    font-weight: 700;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* --- Process Section --- */
.process {
    padding: 80px 0;
    background: #ffffff;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.step {
    text-align: center;
    padding: 24px;
}

.step-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.step h3 {
    font-size: 1.1rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.step p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* --- Plumbing Content Section --- */
.plumbing-content {
    padding: 80px 0;
    background: #f1f5f9;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.content-card {
    background: var(--card-bg);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.content-card h3 {
    font-size: 1.15rem;
    color: var(--secondary);
    margin-bottom: 12px;
}

.content-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.content-card a {
    color: var(--primary);
    font-weight: 600;
}

/* --- FAQ Section --- */
.faq {
    padding: 80px 0;
    background: #ffffff;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--card-bg);
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: var(--secondary);
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

/* --- CTA Section --- */
.cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
    color: #ffffff;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.cta-btn.primary {
    background: #ffffff;
    color: var(--primary);
}

.cta-btn.primary:hover {
    background: #f0f9ff;
    transform: translateY(-2px);
}

.cta-btn.secondary {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* --- Footer --- */
.footer {
    background: var(--secondary);
    color: #94a3b8;
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    padding-bottom: 40px;
}

.footer-col .logo {
    color: #ffffff;
    margin-bottom: 16px;
}

.footer-col p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

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

.footer-col a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: #ffffff;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info i {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
}

/* --- Scroll Animations (JS Managed) --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive Adjustments --- */
@media (max-width: 1024px) {
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero {
        height: auto;
        padding: 100px 0 60px;
    }

    .trust-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

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

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

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

    .process-steps {
        grid-template-columns: 1fr;
    }

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

    .section-title h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .trust-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-content h1 {
        font-size: 1.7rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}