/* ============================================
   DuraMesh Pro - Product Showcase Page Styles
   Professional, Conversion-Focused Design
   ============================================ */

/* === ROOT VARIABLES === */
:root {
    /* Primary Brand Colors */
    --primary-color: #2c2c2c;
    --primary-dark: #1a1a1a;
    --primary-light: #404040;
    --secondary-color: #666666;
    --accent-color: #8c8c8c;
    
    /* Neutral Colors */
    --dark-gray: #141414;
    --medium-gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    --off-white: #f8f8f8;
    
    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Libre Baskerville', Georgia, serif;
	
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Layout */
    --max-width: 1280px;
    --header-height: 80px;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--dark-gray);
    background-color: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* === CONTAINER & LAYOUT === */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }
}

/* === TYPOGRAPHY === */
h1 {
	font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}
	

h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-gray);
	letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--medium-gray);
}

.lead-text {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--dark-gray);
    line-height: 1.7;
}

/* === SECTION STYLING === */
section {
    padding: 5rem 0;
}

@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }
}

.section-header {
    margin-bottom: 3rem;
}

.section-header.center {
    text-align: center;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--medium-gray);
    max-width: 700px;
}

.section-header.center .section-subtitle,
.section-subtitle.center {
    margin: 0 auto;
	text-align: center;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
    background-color: #20BA5A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.whatsapp-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-accent {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    box-shadow: var(--shadow-lg);
    border: none;
}

.btn-accent:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: var(--white);
}

.btn-hero {
    font-size: 1.125rem;
    padding: 1.125rem 2rem;
}

.btn-large {
    font-size: 1.125rem;
    padding: 1rem 2rem;
}

.btn-full-width {
    width: 100%;
    justify-content: center;
}

.btn svg {
    width: 20px;
    height: 20px;
}

/* === HEADER === */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(248, 248, 248, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: transform 0.3s ease-in-out, box-shadow var(--transition-base);
    transform: translateY(0);
}

.site-header.header-hidden {
    transform: translateY(-100%);
    box-shadow: none;
}

.site-header.header-visible {
    transform: translateY(0);
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 2rem;
}

.logo-link {
    display: block;
    line-height: 0;
}

.logo-image {
    height: 80px;
    width: auto;
    display: block;
    transition: opacity var(--transition-fast);
    padding: 8px;
    background-color: #f8f8f8;
}

.logo-image:hover {
    opacity: 0.8;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--dark-gray);
    margin: 0;
}

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

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

.main-nav a {
    font-weight: 500;
    color: var(--dark-gray);
    transition: all var(--transition-fast);
    position: relative;
    padding-bottom: 0.25rem;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-fast);
}

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

.main-nav a:hover::after {
    width: 100%;
}

.main-nav a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.main-nav a.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    transition: all var(--transition-fast);
}


/* ============================================
   NEW DROPDOWN STYLES
   ============================================ */

.dropdown {
    /* Set container for relative positioning of the menu */
    position: relative;
    /* Allows the dropdown to take up minimal space in the flex container */
    display: flex;
    align-items: center;
}

.dropdown-toggle {
    /* Ensure the main link is styled like a standard nav item */
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.dropdown-menu {
    /* Hide by default and set up for smooth transition */
    display: block; /* Use block for the transition setup */
    opacity: 0;
    visibility: hidden;
    pointer-events: none; /* Prevents interaction when hidden */
    
    /* Positioning the menu */
    position: absolute;
    top: calc(100% + 5px); /* Position 5px below the main link */
    left: 50%;
    transform: translateX(-50%); /* Center the menu horizontally */
    
    /* Styling */
    min-width: 220px;
    padding: 0.5rem 0;
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 1001; /* Ensure it is above the header and content */

    /* Transition for smooth appearance */
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
}

/* Dropdown menu links */
.dropdown-menu a {
    display: block;
    padding: 0.5rem 1.25rem;
    color: var(--dark-gray);
    white-space: nowrap;
    font-weight: 500;
    
    /* Override the main-nav hover line style */
    padding-bottom: 0.5rem;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

/* Show the dropdown on hover of the parent container */
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto; /* Allows interaction when visible */
    top: calc(100% + 0px); /* Optional: slight movement when appearing */
}

/* Optional: Rotate the arrow icon on hover for visual feedback */
.dropdown:hover .dropdown-toggle svg {
    transform: translateY(2px) rotate(180deg);
}

/* Adjust main-nav a styles to also include the dropdown-toggle */
.main-nav .dropdown-toggle {
    padding-bottom: 0.25rem;
    position: relative;
}

@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .logo-image {
        height: 40px;
    }
}

/* === HERO SECTION === */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: 
        linear-gradient(135deg, rgba(44, 44, 44, 0.85) 0%, rgba(64, 64, 64, 0.75) 100%),
        url('images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    padding: calc(var(--header-height) + 2rem) 1rem 2rem;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /*background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    pointer-events: none;*/
	/* MODIFIED: 
      - The transparent center is now smaller (starts fading at 20%).
      - The edge tint is much stronger (fades to 0.7 opacity instead of 0.3).
    */
    background: radial-gradient(circle at center, transparent 20%, rgba(0, 0, 0, 0.7) 100%);
    pointer-events: none;
}

.hero-content-simple {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title-main {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: var(--white);
    text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
}

.hero-cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-hero-primary {
    background-color: #25D366;
    color: var(--white);
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 0.5rem;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-hero-primary:hover {
    background-color: #20BA5A;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.4);
    color: var(--white);
}

.btn-hero-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-hero-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.3);
    font-weight: 400;
}

/* === COMPARISON SECTION === */
.comparison-section {
    background-color: var(--off-white);
    padding: 5rem 0;
}

.comparison-layout {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
}

.comparison-slideshow {
    flex: 0 0 33.333%;
    max-width: 33.333%;
}

.slideshow-container {
    position: relative;
    width: 100%;
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.slide {
    display: none;
    width: 100%;
}

.slide.active {
    display: block;
}

.slide img {
    width: 100%;
    height: auto;
    display: block;
}

.slideshow-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1rem;
}

.slide-btn {
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.slide-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.slide-btn svg {
    width: 20px;
    height: 20px;
}

.slide-dots {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex: 1;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--light-gray);
    cursor: pointer;
    transition: all var(--transition-base);
}

.dot.active,
.dot:hover {
    background-color: var(--primary-color);
}

.comparison-content {
    flex: 0 0 66.666%;
    max-width: 66.666%;
}

.comparison-table {
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--light-gray);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row.header {
    background-color: var(--light-gray);
}

.comparison-row.header h3 {
    margin: 0;
    font-size: 1.125rem;
    text-align: center;
}

.comparison-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.comparison-cell.feature {
    font-size: 1rem;
    color: var(--dark-gray);
}

.comparison-cell.sanctuairy,
.comparison-cell.others {
    justify-content: center;
    text-align: center;
}

.comparison-cell.sanctuairy {
    color: var(--success);
}

.comparison-cell.others {
    color: var(--medium-gray);
}

.check-icon {
    color: var(--success);
    flex-shrink: 0;
}

.x-icon {
    color: var(--error);
    flex-shrink: 0;
}

.comparison-cell span {
    font-size: 0.95rem;
}

/* Responsive styles for comparison section */
@media (max-width: 992px) {
    .comparison-layout {
        gap: 2rem;
    }
    
    .comparison-slideshow {
        flex: 0 0 40%;
        max-width: 40%;
    }
    
    .comparison-content {
        flex: 0 0 60%;
        max-width: 60%;
    }
}

@media (max-width: 768px) {
    .comparison-section {
        padding: 3rem 0;
    }
    
    .comparison-layout {
        flex-direction: column;
        gap: 2rem;
    }
    
    .comparison-slideshow,
    .comparison-content {
        flex: 1 1 100%;
        max-width: 100%;
    }
    
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    .comparison-row.header {
        display: none;
    }
    
    .comparison-cell {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .comparison-cell.feature {
        font-weight: 600;
        padding-bottom: 0.5rem;
        border-bottom: 2px solid var(--light-gray);
    }
    
    .comparison-cell.sanctuairy::before {
        content: 'Sanctuairy: ';
        font-weight: 600;
        color: var(--dark-gray);
    }
    
    .comparison-cell.others::before {
        content: 'Others: ';
        font-weight: 600;
        color: var(--dark-gray);
    }
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
}

.hero-feature-item svg {
    flex-shrink: 0;
    color: var(--accent-color);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.trust-indicators {
    display: flex;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.trust-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
}

.trust-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.rating {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stars {
    color: var(--accent-color);
    font-size: 1.25rem;
}

.rating-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Carousel */
.carousel {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background-color: var(--white);
}

.carousel-track {
    position: relative;
    aspect-ratio: 4/3;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    color: var(--white);
    padding: 1.5rem;
    font-weight: 600;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
    background-color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn-prev { left: 1rem; }
.carousel-btn-next { right: 1rem; }

.carousel-indicators {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 2;
}

.indicator {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.indicator.active {
    background-color: var(--white);
    width: 2rem;
    border-radius: 0.375rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 80vh;
        background-attachment: scroll;
    }
    
    .hero-title-main {
        font-size: 2.25rem;
        margin-bottom: 0.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
        margin-bottom: 2rem;
    }
    
    .hero-cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        justify-content: center;
        padding: 1rem 2rem;
    }
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-hero, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .hero-section {
        padding: calc(var(--header-height) + 2rem) 0 4rem;
    }
    
    .trust-indicators {
        flex-direction: column;
        gap: 1rem;
    }
}

/* === PRODUCT SECTIONS === */
.product-section {
    padding: 5rem 0;
    background-color: var(--white);
}

.product-section.alternate {
    background-color: var(--off-white);
}

.product-content {
    margin-top: 3rem;
}

.product-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.product-feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 1rem;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.product-section.alternate .product-feature-card {
    background-color: var(--off-white);
    border: 2px solid var(--light-gray);
}

.product-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 1rem;
    color: var(--white);
}

.product-feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

.product-feature-card p {
    color: var(--medium-gray);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .product-features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* === TRUST SECTION === */
.trust-section {
    background-color: var(--off-white);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.trust-card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
}

.trust-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.trust-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: 1rem;
    color: var(--white);
}

.trust-card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

.trust-card-text {
    color: var(--medium-gray);
    line-height: 1.7;
}

/* === PRODUCT DESCRIPTION === */
.product-description {
    background-color: var(--white);
}

.description-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.description-text p {
    margin-bottom: 1.5rem;
}

.description-text strong {
    color: var(--dark-gray);
    font-weight: 600;
}

.highlight-box {
    background-color: var(--light-gray);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0.5rem;
}

.description-cta {
    margin-top: 2.5rem;
}

.cta-subtext {
    text-align: center;
    color: var(--medium-gray);
    font-size: 0.875rem;
    margin-top: 0.75rem;
}

.description-visual {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.comparison-card {
    background-color: var(--off-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.comparison-card h3 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.comparison-item {
    margin-bottom: 1.5rem;
}

.comparison-item:last-child {
    margin-bottom: 0;
}

.comparison-label {
    display: block;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.75rem;
}

.comparison-bars {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bar-standard, .bar-duramesh {
    position: relative;
}

.bar-fill {
    height: 2rem;
    background: linear-gradient(90deg, var(--medium-gray), var(--dark-gray));
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    transition: width var(--transition-slow);
}

.bar-duramesh .bar-fill {
    background: linear-gradient(90deg, var(--primary-light), var(--primary-color));
}

.bar-label {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
}

.features-list {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.features-list h3 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.features-list ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--dark-gray);
}

.features-list li svg {
    flex-shrink: 0;
    margin-top: 0.125rem;
    color: var(--secondary-color);
}

@media (max-width: 1024px) {
    .description-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .description-visual {
        position: static;
    }
}

/* === SPECS SECTION === */
.specs-section {
    background-color: var(--off-white);
}

.specs-layout {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.spec-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.spec-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
}

.spec-detail p {
    margin-bottom: 0.75rem;
    color: var(--dark-gray);
    line-height: 1.6;
}

.spec-detail strong {
    color: var(--primary-color);
    font-weight: 600;
}

.specs-inventory {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.specs-inventory h3 {
    margin-bottom: 1rem;
}

.specs-note {
    color: var(--medium-gray);
    margin-bottom: 2rem;
    font-style: italic;
}

.inventory-table {
    overflow-x: auto;
    margin-bottom: 2rem;
}

.inventory-table table {
    width: 100%;
    border-collapse: collapse;
}

.inventory-table th,
.inventory-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--light-gray);
}

.inventory-table th {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 600;
}

.inventory-table tr:hover {
    background-color: var(--off-white);
}

.certifications {
    padding-top: 2rem;
    border-top: 2px solid var(--light-gray);
}

.certifications h4 {
    margin-bottom: 1rem;
}

.cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
}

/* === GET STARTED SECTION (Combined with Installation) === */
.get-started-section {
    background: linear-gradient(135deg, #f8f8f8 0%, #e8e8e8 100%);
    padding: 4rem 0 6rem 0;
    position: relative;
}

.get-started-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.get-started-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin: 3rem 0 2rem;
    flex-wrap: wrap;
}

.get-started-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.get-started-cta .btn {
    min-width: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.get-started-subtext {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
}

.get-started-divider {
    display: flex;
    align-items: center;
    color: var(--text-light);
    font-weight: 600;
    font-size: 1rem;
    padding: 0 1rem;
}

.get-started-divider span {
    background-color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 50%;
    border: 2px solid var(--border-color);
}

.get-started-arrow {
    margin-top: 2rem;
    opacity: 0.5;
    animation: bounce 2s infinite;
}

.get-started-arrow svg {
    color: var(--primary-color);
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

@media (max-width: 768px) {
    .get-started-steps {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .get-started-divider {
        transform: rotate(90deg);
    }
    
    .get-started-cta .btn {
        min-width: 100%;
        width: 100%;
    }
}

/* === INSTALLATION PROCESS (within Get Started Section) === */
.get-started-section .process-timeline {
    margin-top: 3rem;
}

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 3rem;
    bottom: 3rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--primary-light));
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    position: relative;
}

.step-number {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-heading);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.step-content {
    background-color: var(--off-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.step-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

.step-description {
    color: var(--medium-gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.step-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark-gray);
    font-size: 0.875rem;
    font-weight: 500;
}

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

.installation-guarantee {
    margin-top: 3rem;
    background: linear-gradient(135deg, #2c2c2c, #1a1a1a);
    color: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

.guarantee-content h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.guarantee-content p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .process-timeline::before {
        left: 1.5rem;
    }
    
    .process-step {
        grid-template-columns: auto 1fr;
        gap: 1rem;
    }
    
    .step-number {
        width: 3rem;
        height: 3rem;
        font-size: 1.5rem;
    }
}

/* === GALLERY SECTION === */
.gallery-section {
    background-color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
    color: var(--white);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h4 {
    color: var(--white);
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
}

.gallery-overlay p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    margin: 0;
}

/* Testimonials */
.testimonials {
    padding-top: 3rem;
}

.testimonials-title {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 2rem;
}

/* Horizontal scrolling carousel */
.testimonials-grid {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding: 1rem 0.5rem 2rem;
    -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar styling */
.testimonials-grid::-webkit-scrollbar {
    height: 8px;
}

.testimonials-grid::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 10px;
}

.testimonials-grid::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.testimonials-grid::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

.testimonial-card {
    flex: 0 0 340px;
    min-width: 340px;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    scroll-snap-align: start;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.testimonial-rating {
    color: var(--accent-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--dark-gray);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-top: 1rem;
    border-top: 2px solid var(--light-gray);
}

.testimonial-author strong {
    color: var(--dark-gray);
    font-weight: 600;
}

.testimonial-author span {
    color: var(--medium-gray);
    font-size: 0.875rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .testimonial-card {
        flex: 0 0 300px;
        min-width: 300px;
    }
}

/* === FAQ SECTION === */
.faq-section {
    background-color: var(--off-white);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto 3rem;
}

.faq-item {
    background-color: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--white);
    border: none;
    text-align: left;
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-gray);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.faq-icon {
    flex-shrink: 0;
    color: var(--primary-color);
    transition: transform var(--transition-base);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--dark-gray);
    line-height: 1.7;
}

.faq-answer ul {
    padding: 0 1.5rem 1.5rem 3rem;
    color: var(--dark-gray);
}

.faq-answer li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.faq-answer strong {
    color: var(--primary-color);
    font-weight: 600;
}

.faq-cta {
    background: linear-gradient(135deg, var(--off-white), var(--light-gray));
    padding: 3rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.faq-cta h3 {
    margin-bottom: 0.5rem;
}

.faq-cta p {
    margin-bottom: 1.5rem;
    color: var(--medium-gray);
}

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

/* === QUOTE FORM SECTION === */
.quote-section {
    background: linear-gradient(135deg, #1a1a1a, #2c2c2c);
    color: var(--white);
    padding: 5rem 0;
}

.quote-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.quote-info h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.quote-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.quote-benefits {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.quote-benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.95);
}

.quote-benefit-item svg {
    flex-shrink: 0;
    color: var(--accent-color);
    margin-top: 0.125rem;
}

.quote-contact-alt {
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    backdrop-filter: blur(10px);
}

.quote-contact-alt p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.phone-large {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.phone-large:hover {
    color: var(--white);
}

.hours {
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Quote Form */
.quote-form-container {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-gray);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--light-gray);
    border-radius: 0.5rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--dark-gray);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-note {
    font-size: 0.75rem;
    color: var(--medium-gray);
    text-align: center;
    line-height: 1.5;
}

.form-success {
    text-align: center;
}

.success-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background-color: var(--secondary-color);
    border-radius: 50%;
    color: var(--white);
}

.form-success h3 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.form-success p {
    color: var(--medium-gray);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.success-next-steps {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 1.5rem;
}

@media (max-width: 1024px) {
    .quote-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* === FOOTER === */
.site-footer {
    background-color: var(--dark-gray);
    color: rgba(255, 255, 255, 0.8);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-logo-image {
    height: 80px;
    width: auto;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-company-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
}

.footer-logo span {
    color: var(--primary-light);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-links li {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-keywords {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* === FLOATING WHATSAPP BUTTON === */
.floating-whatsapp-btn {
    position: fixed;
    bottom: 7rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    background-color: #25D366;
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.floating-whatsapp-btn.visible {
    opacity: 1;
    visibility: visible;
}

.floating-whatsapp-btn:hover {
    background-color: #20BA5A;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

.floating-whatsapp-btn svg {
    width: 24px;
    height: 24px;
}

/* === BACK TO TOP BUTTON === */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

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

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .floating-whatsapp-btn {
        bottom: 6rem;
        right: 1rem;
        width: 3rem;
        height: 3rem;
    }
    
    .floating-whatsapp-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .back-to-top {
        right: 1rem;
    }
}

/* === UTILITY CLASSES === */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }

/* === RESPONSIVE BREAKPOINTS === */
@media (max-width: 640px) {
    :root {
        --header-height: 70px;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* === LOADING & PLACEHOLDER STYLES === */
.placeholder-image {
    background: linear-gradient(90deg, var(--light-gray) 25%, var(--off-white) 50%, var(--light-gray) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   Specification Section Styles
   ============================================ */

/* Wrapper for the text content */
.specs-content-wrapper {
    max-width: 960px; /* Keeps text readable */
    margin: 0 auto;
    background-color: var(--white);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

/* Main headings for "Frame" and "Mesh" */
.specs-title {
    font-size: 1.75rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--light-gray);
}

/* Sub-heading for "Frame Colours" */
.specs-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-top: 2rem;
    margin-bottom: 0.5rem;
}

/* Introductory paragraphs */
.specs-intro {
    font-size: 1rem;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

/* Bullet-point lists */
.specs-list {
    list-style: none; /* We'll use custom icons */
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.specs-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
    line-height: 1.7;
}

.specs-list li::before {
    content: '✓'; /* Checkmark icon */
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 900;
    color: var(--primary-color); /* Use brand color */
    font-size: 1rem;
}

.specs-list li strong {
    color: var(--dark-gray);
}

/* Compact list for mesh cards */
.specs-list.compact {
    font-size: 0.9rem;
}
.specs-list.compact li {
    margin-bottom: 0.75rem;
}

/* === Color Swatch Gallery === */
.color-swatch-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.swatch-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.swatch-item img {
    width: 80px;
    height: 80px;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-md);
    border: 3px solid var(--white);
    transition: all var(--transition-fast);
}

.swatch-item:hover img {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.swatch-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--medium-gray);
}

/* === Mesh Spec Card Styles === */
/* This can replace the generic .product-feature-card for this section */
.mesh-spec-card {
    background-color: var(--off-white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--light-gray);
    /* Remove padding to let image be flush */
}

.mesh-spec-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding: 0 1.5rem;
}

.mesh-spec-card p {
    color: var(--medium-gray);
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
}

.mesh-spec-card .specs-list {
    padding: 0 1.5rem 1.5rem 1.5rem;
}
.mesh-spec-card .specs-list li {
     padding-left: 1.75rem; /* Adjust for compact card */
}

.mesh-image {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    margin-bottom: 1.5rem;
}

/* ============================================
   Application Areas Section Styles
   ============================================ */

.application-grid {
    display: grid;
    /* Creates a 2-column grid. 'minmax(300px, 1fr)' makes it responsive */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem; /* Spacing between cards */
    margin-top: 3rem;
}

.application-card {
    position: relative; /* Needed for the overlay */
    border-radius: 1rem; /* Matches your site's card style */
    overflow: hidden; /* Keeps the image corners rounded */
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.application-card:hover {
    transform: translateY(-5px); /* Subtle hover lift */
    box-shadow: var(--shadow-xl);
}

.application-card img {
    width: 100%;
    height: 400px; /* Taller, lifestyle-oriented height */
    object-fit: cover; /* Ensures image covers the area */
    display: block;
    transition: transform var(--transition-slow);
}

.application-card:hover img {
    transform: scale(1.05); /* Slight zoom on hover */
}

/* This darkens the image slightly so the text is readable */
.application-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.5rem;
    background: linear-gradient(to top, 
        rgba(0, 0, 0, 0.85) 0%, 
        rgba(0, 0, 0, 0.7) 40%, 
        transparent 100%
    );
    color: var(--white);
    transition: all var(--transition-base);
}

.application-overlay h3 {
    color: var(--white);
    font-size: 1.5rem; /* Larger, more confident heading */
    margin-bottom: 0.5rem;
}

.application-overlay p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
    line-height: 1.6;
    /* Text is initially more subtle */
    opacity: 0;
    max-height: 0;
    transition: all var(--transition-base);
}

/* On hover, the text description fades in */
.application-card:hover .application-overlay p {
    opacity: 1;
    max-height: 100px; /* Allows text to appear */
}

/* On hover, the heading moves up slightly */
.application-card:hover .application-overlay h3 {
    transform: translateY(-5px);
}


/* Responsive styles for mobile */
@media (max-width: 768px) {
    .application-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 1.5rem;
    }

    .application-card img {
        height: 300px; /* Adjust height for mobile */
    }

    .application-overlay h3 {
        font-size: 1.25rem;
    }

    /* Show the text by default on mobile, since there's no hover */
    .application-overlay p {
        opacity: 1;
        max-height: 100px;
    }
}

/* --- PRODUCT COMPARISON GRID (For Seamless, Pet-Defense, DualShield) --- */

.product-comparison-grid {
    display: grid;
    /* Sets up the default three-column layout */
    grid-template-columns: repeat(3, 1fr); 
    gap: 2rem;
    margin-top: 3rem; 
}

.product-card {
    /* Basic card styling */
    padding: 2rem;
    border-radius: 1rem;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.product-card.standard-tier:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.product-card.premium-tier:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-dark);
}

.product-card.elite-tier:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translateY(-8px);
}

.product-image-box {
    width: 100%;
    height: 350px;
    margin-bottom: 1.5rem;
    border-radius: 0.75rem;
    overflow: hidden;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform var(--transition-slow);
}

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

.product-card h3 {
    /* Minor adjustment to header for card context */
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.product-card .card-subtitle {
    font-size: 1rem;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.product-card.premium-tier .card-subtitle {
    color: var(--primary-light);
}

.product-card.elite-tier .card-subtitle {
    color: var(--primary-color);
    font-weight: 600;
}

.product-card > p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
    color: var(--dark-gray);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.feature-list li {
    font-size: 0.95rem;
    padding: 0.75rem 0;
    border-bottom: 1px dashed var(--light-gray);
    color: var(--dark-gray);
    line-height: 1.6;
}

.feature-list li:last-child {
    border-bottom: none;
}

.product-card .btn {
    margin-top: auto;
    align-self: center;
    width: 100%;
    justify-content: center;
}

/* Visual Distinction for Tiers - Progressive Enhancement */

/* Standard Tier (Breeze) - Clean and minimal */
.product-card.standard-tier {
    border: 1px solid var(--light-gray);
    background-color: var(--white);
}

.product-card.standard-tier h3 {
    color: var(--dark-gray);
}

/* Premium Tier (Apex) - Enhanced with subtle accent */
.product-card.premium-tier {
    border: 2px solid var(--primary-color);
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.product-card.premium-tier::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 1rem 1rem 0 0;
}

.product-card.premium-tier::after {
    content: 'PREMIUM';
    position: absolute;
    top: 1rem;
    right: -2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: 0.25rem 2.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    transform: rotate(45deg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.product-card.premium-tier h3 {
    color: var(--primary-color);
}

/* Grand Tier (Sentinel) - Premium with gradient accent */
.product-card.elite-tier {
    border: 2px solid var(--primary-dark);
    background: linear-gradient(to bottom, var(--white) 0%, var(--off-white) 100%);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.product-card.elite-tier::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--primary-color));
    border-radius: 1rem 1rem 0 0;
}

.product-card.elite-tier::after {
    content: 'GRAND';
    position: absolute;
    top: 1rem;
    right: -2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 0.25rem 2.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    transform: rotate(45deg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.product-card.elite-tier h3 {
    color: var(--primary-dark);
    font-weight: 800;
}

/* --- Responsive Layout for Mobile/Tablet --- */

@media (max-width: 992px) {
    .product-comparison-grid {
        /* Stacks all three columns on tablets and mobile devices */
        grid-template-columns: 1fr; 
    }
}

/* ============================================
   GROUP BUY SECTION STYLES
   ============================================ */
.group-buy-section {
    padding: 4rem 0;
    background-color: var(--off-white);
}

.group-buy-content {
    display: grid;
    /* Two main columns for content, with a narrow column for the 'OR' separator */
    grid-template-columns: 1fr auto 1fr; 
    gap: 2rem;
    align-items: flex-start;
    max-width: 1000px;
    margin: 0 auto;
}

.available-projects,
.request-group-buy {
    padding: 2rem;
    border-radius: 0.75rem;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
}

.available-projects {
    border-left: 5px solid var(--primary-color);
}

.available-projects h3 {
    color: var(--primary-color);
}

.request-group-buy {
    border: 1px solid var(--light-gray);
}

.request-group-buy h3 {
    color: var(--secondary-color);
}

.project-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.project-list li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--dark-gray);
    display: flex;
    align-items: center;
    border-bottom: 1px dashed var(--light-gray);
}

.project-list li:last-child {
    border-bottom: none;
}

.project-list .icon-check {
    color: var(--success);
    margin-right: 0.5rem;
    font-size: 1.25rem;
}

/* Separator Line (Vertical line on desktop) */
.separator-line {
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--medium-gray);
    padding: 2rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    position: relative;
}

.separator-line::before,
.separator-line::after {
    content: "";
    position: absolute;
    left: 50%;
    width: 1px;
    height: 35%;
    background: var(--light-gray);
    transform: translateX(-50%);
}

.separator-line::before { top: 0; }
.separator-line::after { bottom: 0; }

/* Group Buy Form Styling */
.group-buy-form .form-group {
    margin-bottom: 1rem;
}

.group-buy-form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.3rem;
}

.group-buy-form input[type="text"],
.group-buy-form input[type="tel"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.group-buy-form input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(44, 44, 44, 0.1);
}

.btn-full-width {
    width: 100%;
    margin-top: 1rem;
}

.form-note {
    font-size: 0.85rem;
    color: var(--medium-gray);
    margin-top: 0.5rem;
    text-align: center;
}

/* Mobile Responsiveness: Stack columns */
@media (max-width: 768px) {
    .group-buy-content {
        grid-template-columns: 1fr;
    }
    
    .separator-line {
        /* Revert to horizontal separator */
        height: auto;
        padding: 1.5rem 0;
    }

    .separator-line::before,
    .separator-line::after {
        content: none; /* Remove vertical line on mobile */
    }
}