/* Variables */
:root {
    --primary-color: #2C353F; /* Dark Charcoal */
    --secondary-color: #C0A878; /* Gold/Beige */
    --light-bg: #EFECE6; /* Earthy Light Beige */
    --text-color: #333333;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
}

body {
    background-color: #f9f8f6; /* Light earthy fallback */
    background-image: linear-gradient(rgba(255,255,255,0.6), rgba(255,255,255,0.6)), url('../images/marble-bg.jpg');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    color: var(--text-color);
    line-height: 1.6;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* Navbar */
.navbar {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
    padding: 20px 0;
    color: var(--primary-color);
    background-color: transparent; /* Transparent at the top */
    box-shadow: none;
}

/* Scrolled state for all pages, and default state for inner pages */
.navbar.scrolled,
.inner-page .navbar {
    /* Black color with 60% opacity */
    background-color: rgba(0, 0, 0, 0.6); 
    backdrop-filter: blur(10px); /* Adds a frosted glass effect for luxury */
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    padding: 10px 0;
    color: var(--white);
}

.navbar.scrolled .nav-links a,
.inner-page .navbar .nav-links a {
    color: var(--white);
}

.navbar.scrolled .mobile-menu-btn span,
.inner-page .navbar .mobile-menu-btn span {
    background-color: var(--white);
}

.inner-page main {
    padding-top: 100px; /* offset for fixed navbar on inner pages */
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 4%;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 120px; /* Increased from 60px for a much larger, clearer logo */
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.navbar.scrolled .logo img,
.inner-page .navbar .logo img {
    height: 80px; /* Slightly smaller when scrolled down */
    filter: drop-shadow(0 0 15px rgba(255,255,255,0.8)); /* Glow to make dark text readable */
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: bold;
    transition: var(--transition);
}

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

/* Services */
.services-section {
    padding: 80px 0;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-image: url('../images/golden-marble.jpg');
    background-size: cover;
    background-position: center;
    padding: 40px 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-bottom: 4px solid var(--secondary-color);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    text-shadow: 1px 1px 2px rgba(255,255,255,0.8);
}

.service-card p {
    font-weight: 600;
}

/* Portfolio */
.portfolio-section {
    padding: 80px 0;
    background-color: transparent;
    text-align: center;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    height: 250px;
}

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

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(44, 53, 63, 0.9);
    color: var(--white);
    padding: 20px;
    transform: translateY(100%);
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background-color: rgba(0, 0, 0, 0.6); /* Black tone 60% opacity */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--white);
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2); /* Subtle top border */
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 120px;
    margin-bottom: 20px;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(255,255,255,0.8)); /* Glow to make dark text readable */
}

.footer h3 {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

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

.footer-links ul li {
    margin-bottom: 10px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    left: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

/* Contact Form */
.contact-section {
    padding: 80px 0;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}
.contact-form {
    background-image: url('../images/golden-marble.jpg');
    background-size: cover;
    background-position: center;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}
.form-group {
    margin-bottom: 20px;
}
.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: inherit;
}
.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-color);
        padding: 20px;
        text-align: center;
    }
    .nav-links.active {
        display: flex;
    }
    .mobile-menu-btn {
        display: flex;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}