/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Black & White Theme */
    --primary-black: #000000;
    --secondary-black: #1a1a1a;
    --dark-gray: #333333;
    --medium-gray: #666666;
    --light-gray: #999999;
    --lighter-gray: #cccccc;
    --white: #ffffff;
    --off-white: #f8f8f8;
    --accent-gray: #e5e5e5;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--primary-black);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 0;
}

/* Container */
.container {
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--primary-black);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

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

a:hover {
    color: var(--medium-gray);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    min-width: 140px;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-black);
    border-color: var(--medium-gray);
}

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

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

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

.btn-outline-white {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.btn-full {
    width: 100%;
}

/* Header */
.header {
    background-color: transparent;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background-color: var(--primary-black);
    box-shadow: var(--shadow-lg);
}

.header.scrolled .nav-link {
    color: var(--white);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--lighter-gray);
}

.header.scrolled .bar {
    background-color: var(--white);
}

/* Header on non-home pages */
body:not(.home) .header {
    background-color: var(--primary-black);
    box-shadow: var(--shadow-lg);
}

body:not(.home) .nav-link {
    color: var(--white);
}

body:not(.home) .nav-link:hover,
body:not(.home) .nav-link.active {
    color: var(--lighter-gray);
}

body:not(.home) .bar {
    background-color: var(--white);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo .logo {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--white);
    transition: color var(--transition-fast);
    position: relative;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--white);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: var(--transition-fast);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.7)), url('hero.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    opacity: 0.6;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(50, 50, 50, 0.5) 50%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-title {
    font-size: 6rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    text-shadow: 
        0 0 10px rgba(255, 255, 255, 0.5),
        0 0 20px rgba(255, 255, 255, 0.3),
        0 0 30px rgba(255, 255, 255, 0.2),
        0 2px 4px rgba(0, 0, 0, 0.8);
    letter-spacing: 3px;
    animation: glow 2s ease-in-out infinite alternate;
    position: relative;
    overflow: hidden;
}

.hero-title::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -100vw;
    width: 100vw;
    height: calc(100% + 40px);
    background: linear-gradient(90deg, 
        transparent 0%, 
        transparent 45%, 
        rgba(255, 255, 255, 0.1) 48%, 
        rgba(255, 255, 255, 0.3) 50%, 
        rgba(255, 255, 255, 0.1) 52%, 
        transparent 55%, 
        transparent 100%);
    animation: slideAcross 4s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}

@keyframes slideAcross {
    0% {
        left: -100vw;
    }
    50% {
        left: 100vw;
    }
    100% {
        left: 100vw;
    }
}

@keyframes glow {
    from {
        text-shadow: 
            0 0 10px rgba(255, 255, 255, 0.5),
            0 0 20px rgba(255, 255, 255, 0.3),
            0 0 30px rgba(255, 255, 255, 0.2),
            0 2px 4px rgba(0, 0, 0, 0.8);
    }
    to {
        text-shadow: 
            0 0 15px rgba(255, 255, 255, 0.7),
            0 0 25px rgba(255, 255, 255, 0.5),
            0 0 35px rgba(255, 255, 255, 0.3),
            0 2px 4px rgba(0, 0, 0, 0.8);
    }
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    text-shadow: 
        0 0 8px rgba(255, 255, 255, 0.3),
        0 1px 3px rgba(0, 0, 0, 0.8);
    letter-spacing: 1px;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--white);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
    text-shadow: 
        0 0 6px rgba(255, 255, 255, 0.2),
        0 1px 3px rgba(0, 0, 0, 0.8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
    margin-top: var(--spacing-2xl);
}

.hero-buttons .btn {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.3),
        0 0 20px rgba(255, 255, 255, 0.1);
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(255, 255, 255, 0.2);
}

.hero-buttons .btn-secondary {
    color: var(--white);
    border-color: var(--white);
}

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

/* Page Hero */
.page-hero {
    padding: var(--spacing-2xl) 0;
    background-color: var(--primary-black);
    color: var(--white);
    text-align: center;
    margin-top: 70px; /* Compensate for fixed header */
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--lighter-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
    padding: var(--spacing-md) 0;
    background-color: var(--off-white);
    border-bottom: 1px solid var(--accent-gray);
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.breadcrumb-nav a {
    color: var(--medium-gray);
    transition: color var(--transition-fast);
}

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

.breadcrumb-separator {
    color: var(--light-gray);
}

.breadcrumb-current {
    color: var(--primary-black);
    font-weight: 500;
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--white);
}

/* About Preview */
.about-preview {
    padding: var(--spacing-4xl) 0;
    background-color: var(--primary-black);
    color: var(--white);
    overflow: hidden;
    position: relative;
}

.about-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    opacity: 0.6;
}

.about-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    left: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    opacity: 0.6;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

/* About Preview Content - Homepage specific */
.about-preview-content {
    max-width: 1200px;
    margin: 0 auto;
}

.about-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.about-text {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
    color: var(--white);
}

.about-text.animate {
    opacity: 1;
    transform: translateX(0);
}

/* About Preview Text - Homepage specific */
.about-preview-text {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
    color: var(--white);
    text-align: center;
}

.about-preview-text.animate {
    opacity: 1;
    transform: translateX(0);
}

.about-description {
    font-size: var(--font-size-lg);
    color: var(--lighter-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    text-indent: 2rem;
    text-align: justify;
    max-width: 100%;
}

.about-highlight {
    font-size: var(--font-size-lg);
    color: var(--white);
    font-weight: 500;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
    padding: var(--spacing-lg);
    background-color: rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--white);
    border-radius: var(--radius-md);
}

.about-preview .btn-outline {
    color: var(--white);
    border-color: var(--white);
}

.about-preview .btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-black);
}

.about-image {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.about-image.animate {
    opacity: 1;
    transform: translateX(0);
}

/* About Preview Image - Homepage specific */
.about-preview-image {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.about-preview-image.animate {
    opacity: 1;
    transform: translateX(0);
}

.about-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.about-img:hover {
    transform: scale(1.02);
}

/* Services Preview */
.services-preview {
    padding: var(--spacing-xl) 0;
    background-color: var(--primary-black);
    position: relative;
}

.services-preview .section-title {
    color: var(--white);
}

.services-preview::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-black), transparent);
    opacity: 0.6;
}

.services-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    left: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-black), transparent);
    opacity: 0.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.service-card {
    background-color: var(--dark-gray);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--medium-gray);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px) scale(0.9);
    color: var(--white);
}

.service-card.animate {
    opacity: 1;
    transform: translateY(0) scale(1);
    animation: bounceIn 0.8s ease-out;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    50% {
        opacity: 1;
        transform: translateY(-10px) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--white);
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    color: var(--white);
}

.service-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    transition: all var(--transition-normal);
}

.service-icon i {
    display: block;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.service-description {
    color: var(--light-gray);
    line-height: 1.6;
}

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

/* About Content */
.about-content {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.7)), url('images/heating.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    position: relative;
}

.about-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(50, 50, 50, 0.5) 50%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.about-content .container {
    position: relative;
    z-index: 2;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.about-text h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.about-text h3 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.about-text p {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-indent: 2rem;
    line-height: 1.7;
}

.values-list {
    list-style: none;
    padding: 0;
}

.values-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--white);
}

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

.about-stats {
    display: grid;
    gap: var(--spacing-lg);
}

.stat-card {
    background-color: var(--secondary-black);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid var(--light-gray);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--white);
}

.stat-card .stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.stat-card .stat-label {
    font-size: var(--font-size-sm);
    color: var(--lighter-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Owner Section */
.owner-section {
    margin-top: -1px;
    padding: var(--spacing-xl) 0;
    background-color: var(--secondary-black);
    color: var(--white);
}

.owner-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.owner-image {
    text-align: center;
}

.owner-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.owner-text h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.owner-text h3 {
    font-size: var(--font-size-lg);
    color: var(--lighter-gray);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.owner-text p {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.owner-quote {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background-color: var(--primary-black);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--white);
}

.owner-quote blockquote {
    font-style: italic;
    font-size: var(--font-size-lg);
    color: var(--white);
    margin: 0;
}

/* Why Choose Us */
.why-choose {
    padding: var(--spacing-4xl) 0;
    background-color: var(--primary-black);
    color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--secondary-black);
    border-radius: var(--radius-lg);
    border: 2px solid var(--light-gray);
    transition: all var(--transition-normal);
}

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

.feature-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-black);
    border-radius: 50%;
    border: 2px solid var(--light-gray);
    margin: 0 auto var(--spacing-lg) auto;
    transition: all var(--transition-normal);
}

.feature-icon:hover {
    background-color: var(--white);
    color: var(--primary-black);
    border-color: var(--white);
    transform: scale(1.1);
}

.feature h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.feature p {
    color: var(--lighter-gray);
    line-height: 1.6;
}

/* Services Content */
.services-content {
    margin-top: -1px;
    background-color: var(--primary-black);
    color: var(--white);
}

/* Services Categories Layout */
.services-categories {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: flex-start;
}

.service-category {
    flex: 1;
}

/* Pricing Content */
.pricing-content {
    margin-top: -1px;
    background-color: var(--primary-black);
    color: var(--white);
}

/* Pricing Categories Layout - koristi isti layout kao services */
.pricing-content .services-categories {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: flex-start;
}

.pricing-content .service-category {
    flex: 1;
}

.pricing-content .service-item {
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--primary-black);
}

.pricing-content .service-item h3 {
    color: white;
    font-weight: 700;
    font-size: var(--font-size-2xl);
}

.pricing-content .service-item p {
    color: var(--lighter-gray);
    font-weight: 500;
    line-height: 1.6;
}


/* Service description styling */
.service-description {
    margin: var(--spacing-md) 0;
    font-weight: 500;
    line-height: 1.6;
}

/* Price styling */
.price {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: #90EE90;
    margin: var(--spacing-md) 0 0 0;
    text-align: right;
}

.price-unit {
    font-size: var(--font-size-sm);
    color: var(--lighter-gray);
    font-weight: 500;
}

/* Pricing item layout - updated for new structure */
.pricing-content .service-item {
    height: 300px;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
}

.pricing-content .service-item h3 {
    flex-shrink: 0;
    margin-bottom: var(--spacing-md);
}

.pricing-content .service-description {
    margin: var(--spacing-md) 0;
    color: var(--lighter-gray);
    font-weight: 500;
    line-height: 1.6;
    flex-grow: 1;
}

.pricing-content .service-item .price {
    margin: var(--spacing-md) 0 0 0;
    text-align: right;
    flex-shrink: 0;
}


/* Water Services Effects */
.service-category:first-child .category-icon {
    color: #4FC3F7;
    text-shadow: 0 0 20px rgba(79, 195, 247, 0.5);
    animation: waterGlow 3s ease-in-out infinite alternate;
}

.service-category:first-child .category-title {
    color: #81D4FA;
    text-shadow: 0 0 10px rgba(129, 212, 250, 0.3);
}

/* Water services - blue checkmarks */
.service-category:first-child .service-item .service-features li::before {
    color: #4FC3F7;
    font-weight: bold;
}

.service-category:first-child .category-description {
    color: #B3E5FC;
}

.service-category:first-child .service-item {
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.1) 0%, rgba(33, 150, 243, 0.05) 100%);
    border: 1px solid rgba(79, 195, 247, 0.3);
    box-shadow: 0 4px 15px rgba(79, 195, 247, 0.2);
}

.service-category:first-child .service-item:hover {
    box-shadow: 0 8px 25px rgba(79, 195, 247, 0.4);
    border-color: rgba(79, 195, 247, 0.6);
}

/* Heating Services Effects */
.service-category:last-child .category-icon {
    color: #FF6B35;
    text-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
    animation: fireGlow 2s ease-in-out infinite alternate;
}

.service-category:last-child .category-title {
    color: #FF8A65;
    text-shadow: 0 0 10px rgba(255, 138, 101, 0.3);
}

/* Heating services - orange checkmarks */
.service-category:last-child .service-item .service-features li::before {
    color: #FF6B35;
    font-weight: bold;
}

.service-category:last-child .category-description {
    color: #FFAB91;
}

.service-category:last-child .service-item {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 152, 0, 0.05) 100%);
    border: 1px solid rgba(255, 107, 53, 0.3);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
}

.service-category:last-child .service-item:hover {
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
    border-color: rgba(255, 107, 53, 0.6);
}

@keyframes waterGlow {
    from {
        text-shadow: 0 0 20px rgba(79, 195, 247, 0.5);
    }
    to {
        text-shadow: 0 0 30px rgba(79, 195, 247, 0.8), 0 0 40px rgba(79, 195, 247, 0.3);
    }
}

@keyframes fireGlow {
    from {
        text-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
    }
    to {
        text-shadow: 0 0 30px rgba(255, 107, 53, 0.8), 0 0 40px rgba(255, 152, 0, 0.3);
    }
}

.service-category {
    margin-bottom: var(--spacing-4xl);
}

.category-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.category-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: 0;
}

.category-title {
    font-size: var(--font-size-4xl);
    margin-bottom: 0;
    color: var(--white);
}

.category-title-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.category-description {
    font-size: var(--font-size-lg);
    color: var(--lighter-gray);
    max-width: 600px;
    margin: 0;
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.service-category .services-grid {
    grid-template-columns: repeat(2, 1fr);
}

.service-item {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--accent-gray);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    height: 280px;
    display: flex;
    flex-direction: column;
}

.services-content .service-item {
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--primary-black);
}

.services-content .service-item h3 {
    color: white;
    font-weight: 700;
    font-size: var(--font-size-2xl);
}

.services-content .service-item p {
    color: var(--medium-gray);
    font-weight: 500;
    line-height: 1.6;
}

.services-content .service-item .service-features li {
    color: white;
    font-weight: 500;
}


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

.service-item h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    flex-shrink: 0;
}

.service-item p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    flex-grow: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
}

.service-features {
    flex-shrink: 0;
    margin-top: auto;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    padding: var(--spacing-xs) 0;
    color: var(--dark-gray);
    position: relative;
    padding-left: var(--spacing-lg);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-black);
    font-weight: bold;
}

.pricing-category {
    margin-bottom: var(--spacing-4xl);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.pricing-item {
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--accent-gray);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    text-align: center;
}

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

.pricing-item h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--primary-black);
}

.price {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: right;
    color: lightgreen;
    margin-bottom: var(--spacing-sm);
}

.price-unit {
    font-size: var(--font-size-sm);
    color: white;
    font-weight: 400;
}

.price-description {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.price-features {
    list-style: none;
    padding: 0;
    text-align: left;
}

.price-features li {
    padding: var(--spacing-xs) 0;
    color: var(--dark-gray);
    position: relative;
    padding-left: var(--spacing-lg);
}

.price-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-black);
    font-weight: bold;
}

.pricing-note {
    background: var(--dark-gray);
    padding: var(--spacing-xl) 0;
    margin-top: -1px;
    position: relative;
    overflow: hidden;
}

.pricing-note::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.03)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.03)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

/* Pricing Note Modern Design */
.note-content {
    position: relative;
    z-index: 2;
}

.note-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.note-header h3 {
    color: var(--white);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.note-subtitle {
    color: #bdc3c7;
    font-size: var(--font-size-lg);
    font-weight: 400;
    margin: 0;
}

.note-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.note-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.note-feature:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.feature-content h4 {
    color: var(--white);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-content p {
    color: #bdc3c7;
    margin: 0;
    line-height: 1.6;
}

.note-cta {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-text {
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border: 2px solid var(--white);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.btn-outline:hover {
    background: var(--white);
    color: #2c3e50;
    transform: translateY(-2px);
}

.note-content p {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--medium-gray);
}

.note-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.note-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.feature-icon {
    color: var(--primary-black);
    font-weight: bold;
}

/* Contact Content */
.contact-content {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.7)), url('images/bg-helper.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    position: relative;
}

.contact-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(50, 50, 50, 0.5) 50%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.contact-content .container {
    position: relative;
    z-index: 2;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
}

.contact-info h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.contact-description {
    font-size: var(--font-size-lg);
    color: var(--lighter-gray);
    margin-bottom: var(--spacing-3xl);
    line-height: 1.7;
}

.contact-methods {
    margin-bottom: var(--spacing-3xl);
}

.contact-method {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--secondary-black);
    border-radius: var(--radius-lg);
    border: 2px solid var(--light-gray);
    transition: all var(--transition-normal);
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--white);
}

.method-icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
    color: var(--white);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-black);
    border-radius: 50%;
    border: 2px solid var(--light-gray);
    transition: all var(--transition-normal);
}

.method-icon:hover {
    background-color: var(--white);
    color: var(--primary-black);
    border-color: var(--white);
    transform: scale(1.1);
}

.method-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--white);
}

.method-content p {
    margin-bottom: var(--spacing-xs);
    color: var(--white);
}

.method-content p a {
    color: var(--white);
    font-weight: 500;
    text-decoration: underline;
}

.method-content p a:hover {
    color: var(--lighter-gray);
}

.method-note {
    font-size: var(--font-size-sm);
    color: var(--lighter-gray);
}

.contact-cta {
    background-color: var(--secondary-black);
    color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid var(--light-gray);
    transition: all var(--transition-normal);
}

.contact-cta:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--white);
}

.contact-cta h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.contact-cta p {
    color: var(--lighter-gray);
    margin-bottom: var(--spacing-lg);
}

.contact-cta .btn {
    background-color: var(--white);
    color: var(--primary-black);
}

.contact-cta .btn:hover {
    background-color: var(--off-white);
}

/* Contact Form */
.contact-form-container {
    background-color: var(--secondary-black);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--light-gray);
    transition: all var(--transition-normal);
}

.contact-form-container:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--white);
}

.contact-form-container h2 {
    margin-bottom: var(--spacing-xl);
    text-align: center;
    color: var(--white);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--white);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color var(--transition-fast);
    background-color: var(--primary-black);
    color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--lighter-gray);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: var(--white);
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary-black);
}

.success-icon {
    font-size: var(--font-size-4xl);
    color: var(--primary-black);
    margin-bottom: var(--spacing-lg);
}

.form-success h3 {
    color: var(--primary-black);
    margin-bottom: var(--spacing-md);
}

.form-success p {
    color: var(--medium-gray);
}

/* Why Contact */
.why-contact {
    padding: var(--spacing-4xl) 0;
    background-color: var(--secondary-black);
    color: var(--white);
}

/* CTA Section */
.cta {
    margin-top: -1px;
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    opacity: 0.6;
}

.cta::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    opacity: 0.6;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: var(--lighter-gray);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background-color: var(--secondary-black);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 50%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    opacity: 0.6;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--spacing-lg);
}

.footer-description {
    color: var(--lighter-gray);
    line-height: 1.6;
}

.footer-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--lighter-gray);
    transition: color var(--transition-fast);
}

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

.footer-contact p {
    color: var(--lighter-gray);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-contact i {
    color: var(--white);
    width: 16px;
    text-align: center;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--dark-gray);
    color: var(--lighter-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-2xl);
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }

    .header.scrolled .nav-link {
        color: var(--primary-black);
    }

    .nav-menu .nav-link {
        color: var(--primary-black);
        text-shadow: none;
    }

    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active {
        color: var(--dark-gray);
    }
    
    /* Override body:not(.home) rule for mobile */
    body:not(.home) .nav-menu .nav-link {
        color: var(--primary-black);
    }
    
    body:not(.home) .nav-menu .nav-link:hover,
    body:not(.home) .nav-menu .nav-link.active {
        color: var(--dark-gray);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        height: 100vh;
        background-attachment: scroll; /* Better performance on mobile */
    }

    .hero-container {
        max-width: 90%;
        padding: 0 var(--spacing-md);
    }

    .hero-title {
        font-size: 4rem;
        letter-spacing: 2px;
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
        letter-spacing: 0.5px;
    }

    .hero-description {
        font-size: var(--font-size-base);
        max-width: 100%;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }

    .page-hero {
        padding: var(--spacing-xl) 0;
        margin-top: 60px; /* Smaller margin for mobile */
    }

    .about-content {
        background-attachment: scroll; /* Better performance on mobile */
    }

    .contact-content {
        background-attachment: scroll; /* Better performance on mobile */
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .about-text {
        transform: translateX(0);
        opacity: 1;
    }

    .about-image {
        transform: translateX(0);
        opacity: 1;
    }

    .about-img {
        height: 300px;
    }

    .owner-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

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

    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-categories {
        flex-direction: column;
        gap: var(--spacing-3xl);
    }
    
    .pricing-content .services-categories {
        flex-direction: column;
        gap: var(--spacing-3xl);
    }

    .service-category {
        margin-bottom: var(--spacing-xl);
    }
    
    .service-category .services-grid {
        grid-template-columns: repeat(1, 1fr);
    }

    .services-preview .services-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .service-item {
        height: auto;
        min-height: 200px;
    }
    
    .pricing-content .service-item {
        height: auto;
        min-height: 160px;
    }
    
    .pricing-content .service-item .price {
        text-align: left;
    }
    
    .note-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .note-feature {
        padding: var(--spacing-lg);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-outline {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

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

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

    .note-features {
        grid-template-columns: 1fr;
    }
    
    /* About Preview Grid - Mobile */
    .about-preview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-preview-text {
        order: 1;
    }
    
    .about-preview-image {
        order: 2;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .hero-title {
        font-size: 3rem;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
        letter-spacing: 0.3px;
    }

    .hero-description {
        font-size: var(--font-size-sm);
    }

    .page-title {
        font-size: var(--font-size-3xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

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

    .page-hero {
        margin-top: 50px; /* Even smaller margin for small mobile */
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
        min-width: 120px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* 3D Animation Section */
.animation-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.animation-description {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--light-gray);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

#animation-container {
    position: relative;
    width: 100%;
    height: 400px;
    background: radial-gradient(circle at center, rgba(0, 153, 255, 0.1) 0%, transparent 70%);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 2px solid var(--dark-gray);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

#scene {
    width: 100%;
    height: 100%;
    position: relative;
}

.animation-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 10;
}

.animation-info {
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 300px;
}

.animation-info h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.animation-info p {
    font-size: var(--font-size-sm);
    color: var(--light-gray);
    margin: 0;
}

/* Responsive Animation */
@media (max-width: 768px) {
    .animation-section {
        padding: var(--spacing-2xl) 0;
    }
    
    #animation-container {
        height: 300px;
    }
    
    .animation-description {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xl);
    }
    
    .animation-info {
        padding: var(--spacing-md);
        max-width: 250px;
    }
    
    .animation-info h3 {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    #animation-container {
        height: 250px;
    }
    
    .animation-info {
        padding: var(--spacing-sm);
        max-width: 200px;
    }
}

/* Loader Styles */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-black);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
    overflow: hidden;
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Modern Loader */
.modern-loader {
    position: relative;
    width: 80px;
    height: 80px;
}

.loader-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: var(--white);
    border-radius: 50%;
    animation: rotate 1.5s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.loader-ring:nth-child(1) {
    animation-delay: -0.45s;
}

.loader-ring:nth-child(2) {
    animation-delay: -0.3s;
}

.loader-ring:nth-child(3) {
    animation-delay: -0.15s;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Gallery Section */
.gallery-section {
    padding: var(--spacing-4xl) 0;
    background-color: var(--secondary-black);
}

.gallery-section .section-title {
    text-align: center;
    color: var(--white);
    margin-bottom: var(--spacing-3xl);
}

.gallery-carousel {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.carousel-container {
    overflow: hidden;
    width: 100%;
    position: relative;
}

.carousel-track {
    display: flex;
    gap: var(--spacing-lg);
    transition: transform 0.5s ease-in-out;
}

.carousel-item {
    min-width: calc(33.333% - var(--spacing-lg));
    max-width: 350px;
    height: 350px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background-color: var(--dark-gray);
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.carousel-btn {
    background-color: var(--white);
    color: var(--primary-black);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
    font-size: var(--font-size-xl);
    box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
    background-color: var(--dark-gray);
    color: var(--white);
    transform: scale(1.1);
}

.carousel-btn:active {
    transform: scale(0.95);
}

.carousel-btn i {
    pointer-events: none;
}

/* Responsive Gallery */
@media (max-width: 1024px) {
    .carousel-item {
        min-width: calc(50% - var(--spacing-lg));
        max-width: 300px;
        height: 400px;
    }
}

@media (max-width: 768px) {
    .gallery-carousel {
        gap: var(--spacing-sm);
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }
    
    .carousel-item {
        min-width: calc(100% - var(--spacing-lg));
        max-width: 100%;
        height: 280px;
    }
    
    .carousel-track {
        gap: var(--spacing-md);
    }
}

/* Action Button (Scroll to Top / Call) */
.action-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: #000;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.action-button.visible {
    opacity: 1;
    visibility: visible;
}

.action-button:hover {
    background-color: #333;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    color: white;
}

/* Mobile: White background with headphone icon */
@media (max-width: 768px) {
    .action-button {
        background-color: white;
        color: #000;
        border: 2px solid #000;
    }
    
    .action-button:hover {
        background-color: #f0f0f0;
        color: #000;
    }
}