/*
 * AI BUILDING SOLUTIONS - Custom CSS
 * --------------------------------
 * Color Palette:
 * --color-primary: #8C6A03 (Deep Gold/Mustard - For accents)
 * --color-secondary: #3A4135 (Dark Forest Green/Olive - For buttons, headers)
 * --color-dark-grey: #4A4A4A (Dark text)
 * --color-light-grey: #F5F5F5 (Section backgrounds)
 * --color-white: #FFFFFF
 * --color-accent: #C2C7B8 (Soft light accent)
 */

:root {
    --color-primary: #8C6A03;
    --color-secondary: #3A4135;
    --color-dark-grey: #4A4A4A;
    --color-light-grey: #F5F5F5;
    --color-white: #FFFFFF;
    --color-accent: #C2C7B8;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

/* === Global Resets and Typography === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-dark-grey);
    background-color: var(--color-white);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-secondary);
    line-height: 1.2;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

h1 { font-size: 2.8rem; font-weight: 700; }
h2 { font-size: 2.2rem; margin-bottom: 2rem; text-align: center; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.2rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 20px;
}

hr {
    border: 0;
    border-top: 1px solid var(--color-accent);
    margin: 40px auto;
    width: 80%;
}

/* === Buttons (CTA Styles) === */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #A37E04; /* Slightly darker gold */
    color: var(--color-white);
}

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

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


/* === Header and Navigation === */
.header {
    background-color: var(--color-white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-secondary);
    display: flex;
    align-items: center;
}

.logo img {
    height: 70px; /* Adjust size of PNG logo */
    margin-right: 8px;
}

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

.nav-links li {
    margin: 0 15px;
}

.nav-links a {
    color: var(--color-dark-grey);
    font-weight: 500;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
    transition: border-bottom 0.3s;
}

.nav-links a:hover, .nav-links li:last-child a {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.phone-cta {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: 8px 15px;
    border-radius: 4px;
    font-weight: 600;
}

.phone-cta:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* === Hero Section (Home & Page Hero) === */
#home, #page-hero {
    height: 400px; /* Reduced height for page hero */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-size: cover !important;
    background-position: center center !important;
}

#home {
    height: 550px; /* Taller hero for home page */
}

.hero-content {
    color: var(--color-white);
    max-width: 800px;
}

#home .hero-content h1 {
    font-size: 3.5rem;
    color: var(--color-white);
    margin-bottom: 20px;
}

#home .hero-content p {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 30px;
    color: var(--color-accent);
}

.hero-ctas .btn {
    margin: 0 10px;
}

/* === General Content Blocks === */
.content-block {
    display: flex;
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
}

.content-block img {
    width: 40%;
    max-width: 500px;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.content-block .text-content {
    width: 60%;
}

/* === Core Values Grid === */
.core-values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
    margin-top: 50px;
}

.value-item {
    padding: 20px;
    border-radius: 8px;
    background-color: var(--color-light-grey);
    border: 1px solid var(--color-accent);
}

.value-item i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

/* === Services & Project Grids === */
.service-cards-grid, .project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.service-card i {
    font-size: 3rem;
    color: var(--color-secondary);
    margin-bottom: 15px;
}

/* Project Cards */
.project-card {
    background-color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.project-card h4, .project-card p {
    padding: 0 20px;
}

.project-card h4 {
    margin-top: 15px;
    margin-bottom: 5px;
}

.project-card .category {
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.project-card .btn {
    display: block;
    width: calc(100% - 40px);
    margin: 15px 20px 20px 20px;
}

/* === Testimonials Section === */
#testimonials {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: 5rem 0;
}

#testimonials h2 {
    color: var(--color-white);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 8px;
}

.testimonial-item blockquote {
    font-style: italic;
    margin-bottom: 15px;
    font-size: 1.1rem;
    border-left: 3px solid var(--color-primary);
    padding-left: 15px;
}

.testimonial-item footer {
    font-weight: 500;
    color: var(--color-accent);
}

/* === Contact Forms and Info === */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr; /* Form is wider than info */
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.contact-form label {
    display: block;
    font-weight: 600;
    margin-top: 15px;
    margin-bottom: 5px;
    color: var(--color-secondary);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-accent);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

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

.contact-form button {
    margin-top: 25px;
    width: 100%;
}

.contact-info {
    padding-top: 15px;
}

.contact-info p {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    font-size: 1rem;
}

.contact-info p i {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-right: 15px;
    margin-top: 4px;
}

.contact-info h3 {
    color: var(--color-primary);
    margin-bottom: 20px;
}

.social-icons a {
    font-size: 1.5rem;
    margin-right: 15px;
    color: var(--color-secondary);
}

.social-icons a:hover {
    color: var(--color-primary);
}

.google-map {
    margin-top: 50px;
}

.google-map iframe {
    width: 100%;
    height: 400px;
    border: 0;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

/* === Footer === */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: 3rem 0 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 30px;
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content h4 {
    color: var(--color-primary);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.footer-logo p {
    font-size: 0.9rem;
    color: var(--color-accent);
}

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

.footer-links a {
    color: var(--color-accent);
    display: block;
    padding: 5px 0;
}

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

.footer-contact i {
    color: var(--color-primary);
    margin-right: 10px;
}

.footer-contact p {
    color: var(--color-accent);
    margin-bottom: 10px;
}

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

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

.footer-contact .social-icons {
    margin-top: 15px;
}

.footer-contact .social-icons a {
    color: var(--color-accent);
}

.copyright {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-accent);
    padding-top: 15px;
}

/* === Responsive Design (Simple Mobile Layout) === */
@media (max-width: 992px) {
    .navbar {
        flex-wrap: wrap;
    }
    
    .logo {
        margin-bottom: 10px;
    }

    .nav-links {
        display: none; /* Hide for true mobile menu or replace with Hamburger Icon */
        width: 100%;
        justify-content: space-around;
        order: 3;
        margin-top: 10px;
    }
    
    .phone-cta {
        order: 2;
    }

    #home .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .content-block {
        flex-direction: column;
    }

    .content-block .text-content,
    .content-block img {
        width: 100%;
        max-width: 100%;
    }

    .core-values-grid,
    .service-cards-grid,
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-contact .social-icons {
        justify-content: center;
        display: flex;
    }
}