:root {
        --primary-color: #e74c3c;
        --primary-dark: #c0392b;
        --secondary-color: #3498db;
        --accent-color: #f39c12;
        --dark-color: #2c3e50;
        --darker-color: #1a252f;
        --light-gray: #f8f9fa;
        --medium-gray: #6c757d;
        --border-color: #dee2e6;
        --white: #ffffff;
        --success-color: #27ae60;
        --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
        --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { font-family: 'Inter', sans-serif; line-height: 1.7; color: var(--dark-color); overflow-x: hidden; font-size: 16px; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

    /* Header & Navigation */
    .header { background: var(--white); box-shadow: var(--shadow-md); position: fixed; top: 0; width: 100%; z-index: 1000; transition: all 0.3s ease; }
    .nav-container { display: flex; justify-content: space-between; align-items: center; padding: 1rem 2rem; max-width: 1400px; margin: 0 auto; }
    .logo { display: flex; align-items: center; font-size: 1.75rem; font-weight: 800; color: var(--primary-color); text-decoration: none; transition: all 0.3s ease; z-index: 1001; }
    .logo:hover { transform: scale(1.05); }
    .burger { display: flex; flex-direction: column; cursor: pointer; background: none; border: none; padding: 0.5rem; z-index: 1001; }
    .burger span { width: 28px; height: 3px; background: var(--dark-color); margin: 4px 0; transition: 0.3s; border-radius: 2px; }
    .burger.active span:nth-child(1){ transform: rotate(-45deg) translate(-6px,7px); background: var(--white); }
    .burger.active span:nth-child(2){ opacity: 0; }
    .burger.active span:nth-child(3){ transform: rotate(45deg) translate(-6px,-7px); background: var(--white); }

    /* Navigation Overlay */
    .nav-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background: linear-gradient(135deg, var(--primary-color), var(--dark-color)); z-index: 1000; opacity: 0; visibility: hidden; transition: all 0.4s ease; overflow-y: auto; }
    .nav-overlay.active { opacity: 1; visibility: visible; }
    .nav-content { position: relative; text-align: center; padding: 6rem 2rem 4rem; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; }
    .nav-links { list-style: none; padding: 0; }
    .nav-links a { color: var(--white); text-decoration: none; font-size: 1.5rem; font-weight: 600; display: block; padding: 0.75rem; margin: 0.5rem 0; transition: all 0.3s ease; border-radius: 10px; }
    .nav-links a:hover { color: var(--accent-color); background: rgba(255, 255, 255, 0.1); }
    .close-nav { position: absolute; top: 20px; right: 20px; background: transparent; border: 2px solid rgba(255,255,255,0.7); color: #fff; border-radius: 50%; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; cursor: pointer; transition: all 0.2s ease; }
    .close-nav:hover { background: rgba(255,255,255,0.15); }

    /* Breadcrumb */
    .breadcrumb { background: var(--light-gray); padding: 1rem 0; margin-top: 80px; }
    .breadcrumb-nav { display: flex; align-items: center; gap: 0.5rem; color: var(--medium-gray); }
    .breadcrumb-nav a { color: var(--primary-color); text-decoration: none; }
    .breadcrumb-nav a:hover { text-decoration: underline; }

    /* Hero Section (fixed background with subtle dark overlay) */
    .hero {
      background-image: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('../../assets/building-group-house.webp');
      background-size: cover, cover;
      background-position: center, center;
      background-repeat: no-repeat, no-repeat;
      background-attachment: fixed, fixed;
      padding: 8rem 0 6rem;
      color: var(--white);
      text-align: center;
    }
    .hero-content h1 { font-size: 3.5rem; font-weight: 800; margin-bottom: 1.5rem; text-shadow: 2px 2px 4px rgba(0,0,0,0.5); }
    .hero-content p { font-size: 1.3rem; margin-bottom: 2.5rem; max-width: 700px; margin-left: auto; margin-right: auto; text-shadow: 1px 1px 2px rgba(0,0,0,0.5); }

    .cta-button { display: inline-block; background: var(--primary-color); color: var(--white); padding: 1.25rem 2.5rem; text-decoration: none; border-radius: 50px; font-weight: 700; font-size: 1.1rem; transition: all 0.3s ease; box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4); text-transform: uppercase; letter-spacing: 1px; }
    .cta-button:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 12px 35px rgba(231, 76, 60, 0.5); }

    /* Content Sections */
    .content-section { padding: 5rem 0; }
    .content-section:nth-child(even) { background: var(--light-gray); }
    .section-title { font-size: 2.5rem; font-weight: 800; margin-bottom: 2rem; color: var(--dark-color); text-align: center; }
    .section-subtitle { font-size: 1.2rem; color: var(--medium-gray); text-align: center; margin-bottom: 3rem; max-width: 600px; margin-left: auto; margin-right: auto; }

    .two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
    .content-text h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 1.5rem; color: var(--primary-color); }
    .content-text p { margin-bottom: 1.5rem; line-height: 1.8; color: var(--medium-gray); }
    .content-text ul { margin: 2rem 0; padding-left: 1.5rem; }
    .content-text li { margin-bottom: 0.75rem; color: var(--medium-gray); }

    .feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin: 3rem 0; }
    .feature-card { background: var(--white); padding: 2.5rem; border-radius: 15px; box-shadow: var(--shadow-md); text-align: center; transition: all 0.3s ease; border: 1px solid var(--border-color); }
    .feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--primary-color); }
    .feature-icon { font-size: 3rem; color: var(--primary-color); margin-bottom: 1.5rem; }
    .feature-card h4 { font-size: 1.4rem; font-weight: 700; margin-bottom: 1rem; color: var(--dark-color); }
    .feature-card p { color: var(--medium-gray); line-height: 1.6; }

    /* Extension Types Grid */
    .extension-types { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2.5rem; margin: 4rem 0; }
    .extension-type { background: var(--white); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); transition: all 0.3s ease; }
    .extension-type:hover { transform: translateY(-10px); box-shadow: 0 2rem 4rem rgba(0,0,0,0.2); }
    .extension-image { height: 250px; background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 4rem; }
    .extension-content { padding: 2rem; }
    .extension-content h4 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; color: var(--dark-color); }
    .extension-content p { color: var(--medium-gray); line-height: 1.7; margin-bottom: 1.5rem; }
    .extension-features { list-style: none; padding: 0; }
    .extension-features li { padding: 0.5rem 0; color: var(--medium-gray); display: flex; align-items: center; gap: 0.75rem; }
    .extension-features i { color: var(--success-color); width: 20px; }

    .cta-section {
position: relative;
/* Background image + dark gradient overlay */
background-image:
    linear-gradient(135deg, rgba(0,0,0,0.65), rgba(0,0,0,0.85)),
    url('../../images/house-extension.jpg');
background-size: cover;
background-position: center;
background-repeat: no-repeat;
color: var(--white);
padding: 5rem 0;
text-align: center;
    }
    .cta-section h2 { font-size: 2.5rem; font-weight: 700; margin-bottom: 1.5rem; }
    .cta-section p { font-size: 1.2rem; margin-bottom: 2rem; opacity: 0.9; }

    /* Footer */
    .footer { background: var(--darker-color); color: var(--white); padding: 4rem 0 2rem; }
    .footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2.5rem; margin-bottom: 2rem; }
    .footer-section h3 { font-size: 1.4rem; margin-bottom: 1.5rem; color: var(--primary-color); font-weight: 700; }
    .footer-section p, .footer-section a { color: #bdc3c7; text-decoration: none; line-height: 1.8; margin-bottom: 0.5rem; display: block; transition: all 0.3s ease; }
    .footer-section a:hover { color: var(--primary-color); }
    .footer-bottom { text-align: center; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid #34495e; color: #7f8c8d; }

    /* Logo visuals (image + text) */
    .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--primary-color); text-decoration: none; }
    .logo img { height: 36px; width: auto; display: block; }
    .logo-text { line-height: 1; }
/* Sub-menus for services and locations */
.nav-submenu {
margin-top: 0.5rem;
opacity: 0;
max-height: 0;
overflow: hidden;
transition: all 0.3s ease;
background: rgba(255, 255, 255, 0.1);
border-radius: 10px;
margin-left: 1rem;
margin-right: 1rem;
}

.nav-submenu.active {
opacity: 1;
max-height: 800px;
padding: 1rem 0;
}

.nav-submenu a {
font-size: 1rem;
font-weight: 500;
padding: 0.5rem 1rem;
color: rgba(255, 255, 255, 0.9);
text-transform: none;
letter-spacing: 0;
}

.nav-submenu a:hover {
color: var(--accent-color);
background: rgba(255, 255, 255, 0.1);
transform: scale(1.02);
}

/* Contact Info in Menu */
.nav-contact {
margin-top: 2rem;
opacity: 0;
transform: translateY(30px);
transition: all 0.4s ease 1.2s;
}

.nav-overlay.active .nav-contact {
opacity: 1;
transform: translateY(0);
}

.nav-contact-item {
color: var(--white);
margin: 1rem 0;
font-size: 1rem;
display: flex;
align-items: center;
justify-content: center;
gap: 0.75rem;
}

.nav-contact-item i {
color: var(--accent-color);
width: 25px;
}

.nav-social {
display: flex;
justify-content: center;
gap: 1.5rem;
margin-top: 1.5rem;
}

.nav-social a {
color: var(--white);
font-size: 1.5rem;
transition: all 0.3s ease;
padding: 0.75rem;
}

.nav-social a:hover {
color: var(--accent-color);
transform: scale(1.2);
}

.faq-section {
padding: 5rem 0;
background: var(--light-gray);
}

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

.faq-item {
background: #fff;
border-radius: 10px;
box-shadow: var(--shadow-md);
margin-bottom: 1rem;
overflow: hidden;
border: 1px solid var(--border-color);
}

.faq-question {
width: 100%;
text-align: left;
padding: 1rem 1.5rem;
background: #fff;
border: none;
font-size: 1rem;
font-weight: 600;
cursor: pointer;
display: flex;
justify-content: space-between;
align-items: center;
color: var(--dark-color);
}

.faq-question span {
flex: 1;
text-align: left;
margin-right: 1rem;
}

.faq-toggle-icon {
font-size: 1.2rem;
color: var(--primary-color);
transition: transform 0.2s ease;
}

.faq-item.open .faq-toggle-icon {
transform: rotate(90deg);
}

.faq-answer {
display: none;
padding: 0 1.5rem 1.25rem;
color: var(--medium-gray);
font-size: 0.95rem;
line-height: 1.6;
}

.faq-item.open .faq-answer {
display: block;
}


    /* Responsive Design */
    @media (max-width: 768px) {
        .hero-content h1 { font-size: 2.5rem; }
        .two-column { grid-template-columns: 1fr; gap: 2rem; }
        .extension-types { grid-template-columns: 1fr; }
        .feature-grid { grid-template-columns: 1fr; }
        .nav-container { padding: 1rem; }
    }
    @media (max-width: 1024px) {
        .hero { background-attachment: scroll, scroll; }
    }