/* ==========================================================================
   BLESSED PLUMBING & ENGINEERING LTD - DESIGN SYSTEM & STYLES
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --primary: #0056b3;
    --primary-dark: #003d82;
    --primary-light: #ebf3fe;
    --accent: #ff6b00;
    --accent-hover: #e05e00;
    --text-main: #2b2b2b;
    --text-muted: #666666;
    --bg-main: #ffffff;
    --bg-light: #f8fafd;
    --bg-card: #ffffff;
    --border-color: #eaeef5;
    
    /* Typography */
    --font-sans: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Radii & Shadows */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(0, 10, 30, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 10, 30, 0.08);
    --shadow-hover: 0 15px 35px rgba(0, 86, 179, 0.12);
    
    /* Transitions */
    --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

button, input, textarea {
    font-family: inherit;
    color: inherit;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
    background: none;
}

/* ==========================================================================
   LAYOUT & CONTAINERS
   ========================================================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

section {
    padding: var(--spacing-xl) 0;
}

.section-bg-light {
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo img {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.nav-logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: #000000;
    line-height: 1.2;
}

.nav-logo-text span {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: #000000;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width var(--transition-normal);
}

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

.nav-link:hover,
.nav-link.active {
    color: #000000;
}

.nav-cta {
    display: none;
}

@media (min-width: 1024px) {
    .nav-cta {
        display: block;
    }
}

/* Mobile Menu Button */
.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: #000000;
}

@media (max-width: 991px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-main);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-md);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        font-size: 1.25rem;
    }
}

/* ==========================================================================
   BUTTONS & CTAS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    text-align: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 86, 179, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 86, 179, 0.3);
}

.btn-accent {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.2);
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: white;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #20ba5c;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    padding: var(--spacing-md) 0 var(--spacing-xl);
    position: relative;
    overflow: hidden;
    background: linear-gradient(rgba(7, 18, 35, 0.62), rgba(7, 18, 35, 0.62)), url('../../images/Commercial-Piping-Reticulation.jpg') center center / cover no-repeat;
}

.hero-container {
    display: block;
    position: relative;
    z-index: 1;
    align-items: center;
}

.hero-content {
    max-width: 600px;
    color: white;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    line-height: 1.15;
    margin-bottom: var(--spacing-sm);
}

.hero-title span {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-image-wrapper {
    display: none;
}

.hero-image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hero-image-wrapper:hover img {
    transform: scale(1.03);
}

.hero .btn-secondary {
    color: white;
    border-color: rgba(255, 255, 255, 0.9);
}

.hero .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

/* Service Page Hero Variation */
.service-hero {
    background-color: var(--primary-light);
    padding: var(--spacing-lg) 0 var(--spacing-xl);
    text-align: center;
}

.service-hero .hero-content {
    color: #000000;
    text-shadow: none;
}

.service-hero .hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
    color: #0b4a99;
}

.service-hero .hero-title span {
    color: #ff6b00;;
}

.service-hero .hero-subtitle {
    color: #000000;
}

.service-hero .hero-buttons .btn-secondary {
    color: #000000;
    border-color: #000000;
}

.service-hero .hero-buttons .btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.06);
}

.service-hero-media {
    margin-top: var(--spacing-md);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.service-hero-media video,
.service-hero-media img {
    width: 100%;
    max-height: 550px;
    object-fit: cover;
}

@media (max-width: 991px) {
    .hero-container {
        display: block;
        text-align: center;
    }

    .hero-content {
        margin: 0 auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero {
        background-position: center center;
    }
}

/* ==========================================================================
   SERVICES GRID
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.service-image {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.service-card-desc {
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-top: auto;
}

.service-card-link:hover {
    color: var(--accent);
    gap: 0.75rem;
}

/* ==========================================================================
   WHY CHOOSE US
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background-color: var(--bg-main);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: var(--spacing-sm);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   PROJECTS / GALLERY
   ========================================================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    aspect-ratio: 4 / 3;
    background-color: var(--bg-light);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 61, 130, 0.85), rgba(0, 61, 130, 0.2));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.gallery-title {
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
}

.gallery-category {
    color: var(--accent);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-content {
    margin-bottom: var(--spacing-sm);
}

.stars {
    color: #ffc107;
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-muted);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-light);
}

.author-name {
    font-weight: 600;
    color: var(--primary-dark);
}

.author-role {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--primary-dark);
    background-color: var(--bg-card);
    transition: background-color var(--transition-normal);
}

.faq-header:hover {
    background-color: var(--primary-light);
}

.faq-icon {
    font-size: 1.25rem;
    color: var(--primary);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    background-color: var(--bg-main);
}

.faq-content {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-muted);
}

/* ==========================================================================
   FINAL CTA SECTION
   ========================================================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) auto;
    max-width: calc(var(--container-width) - 2rem);
    box-shadow: var(--shadow-md);
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.cta-desc {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background-color: #0f172a;
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-col-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--accent);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
}

.footer-logo img {
    height: 45px;
}

.footer-logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
}

.footer-logo-text span {
    color: var(--accent);
}

.footer-desc {
    color: #94a3b8;
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    color: #94a3b8;
    transition: color var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-link:hover {
    color: white;
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: #94a3b8;
}

.footer-contact-icon {
    color: var(--accent);
    font-size: 1.25rem;
    margin-top: 2px;
}

.footer-socials {
    margin-top: var(--spacing-sm);
}

.footer-social-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.footer-social-link {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(148, 163, 184, 0.12);
    color: white;
    transition: all var(--transition-normal);
}

.footer-social-link:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: #64748b;
    font-size: 0.875rem;
}

/* ==========================================================================
   ANIMATIONS & UTILITIES
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

/* Delay utilities */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }