/* Variables */
:root {
    --gold-primary: #D4AF37;
    --gold-light: #e9d186;
    --gold-dark: #b08e1a;
    --black: #0a0a0a;
    --dark-gray: #333333;
    --light-gray: #777777;
    --white: #ffffff;
    --off-white: #f9f9f9;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--black);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    position: relative;
    text-align: center;
}

h2::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -10px;
    width: 80px;
    height: 3px;
    background-color: var(--gold-primary);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

h2:hover::after {
    width: 120px;
}

/* Common Styles */
a {
    text-decoration: none;
    color: var(--dark-gray);
    transition: color 0.3s ease;
}

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

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

.btn {
    display: inline-block;
    background-color: var(--gold-primary);
    color: var(--black);
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
    border: 2px solid var(--gold-primary);
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(212, 175, 55, 0.2);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

.btn:hover {
    background-color: transparent;
    color: var(--gold-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

/* Header */
header {
    background-color: rgba(0, 0, 0, 0.9);
    padding: 20px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: all 0.4s ease;
}

header.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    color: var(--white);
    text-align: center;
}

.logo-container h1 {
    font-size: 1.6rem;
    color: var(--gold-primary);
    margin-bottom: 5px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.slogan {
    font-size: 0.9rem;
    font-style: italic;
    color: var(--white);
    opacity: 0.8;
    transition: all 0.3s ease;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 10px;
}

nav ul li a {
    color: var(--white);
    padding: 10px 15px;
    display: block;
    position: relative;
    transition: all 0.3s ease;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 15px;
    right: 15px;
    height: 2px;
    background-color: var(--gold-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

nav ul li a:hover::after,
nav ul li a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

nav ul li a.active {
    color: var(--gold-primary);
}

nav ul li a:hover {
    color: var(--gold-primary);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/hero-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(212, 175, 55, 0.3), transparent);
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero h2 {
    font-size: 3.5rem;
    color: var(--gold-primary);
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: var(--white);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 50px;
    background: linear-gradient(to bottom right, var(--white) 0%, var(--white) 50%, transparent 50%, transparent 100%);
    z-index: 1;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 30px;
}

.stat {
    flex: 1;
    min-width: 120px;
    text-align: center;
    padding: 30px 20px;
    background-color: var(--off-white);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.stat:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--gold-primary);
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--gold-primary);
    margin-bottom: 10px;
}

.stat p {
    font-size: 0.95rem;
    color: var(--light-gray);
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background-color: var(--off-white);
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 50px;
    background: linear-gradient(to top left, var(--off-white) 0%, var(--off-white) 50%, transparent 50%, transparent 100%);
}

.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 20px;
    background-color: transparent;
    border: 2px solid var(--dark-gray);
    color: var(--dark-gray);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 8px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.filter-btn:hover {
    background-color: var(--dark-gray);
    color: var(--white);
    transform: translateY(-3px);
}

.filter-btn.active {
    background-color: var(--gold-primary);
    border-color: var(--gold-primary);
    color: var(--black);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.2);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    height: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--gold-primary);
}

.project-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.project-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-image::after {
    opacity: 1;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.project-card:hover .project-info h3 {
    color: var(--gold-primary);
}

.project-info p {
    color: var(--light-gray);
    margin-bottom: 15px;
}

.location {
    display: flex;
    align-items: center;
    color: var(--light-gray);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.location i {
    color: var(--gold-primary);
    margin-right: 8px;
}

.btn-small {
    padding: 8px 15px;
    font-size: 0.9rem;
    border-radius: 8px;
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: var(--white);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 50px;
    background: linear-gradient(to bottom right, var(--white) 0%, var(--white) 50%, transparent 50%, transparent 100%);
}

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

.service-card {
    padding: 40px 30px;
    text-align: center;
    background-color: var(--white);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background-color: var(--gold-primary);
    transition: height 0.3s ease;
    z-index: -1;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--gold-light);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
    color: var(--gold-primary);
    font-size: 2rem;
}

.service-card:hover .service-icon {
    background-color: var(--gold-primary);
    color: var(--white);
    transform: rotateY(180deg);
}

.service-card h3 {
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.service-card:hover h3 {
    color: var(--gold-primary);
}

.service-card p {
    color: var(--light-gray);
    line-height: 1.7;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background-color: var(--off-white);
    position: relative;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 50px;
    background: linear-gradient(to top left, var(--off-white) 0%, var(--off-white) 50%, transparent 50%, transparent 100%);
}

.testimonial-slider {
    position: relative;
    padding: 20px 40px;
    overflow: hidden;
    height: 280px;
}

.testimonial {
    background-color: var(--white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: all 0.3s ease;
    height: calc(100% - 60px);
}

.testimonial-content {
    margin-bottom: 20px;
    position: relative;
}

.testimonial-content p {
    font-style: italic;
    color: var(--dark-gray);
    line-height: 1.8;
}

.testimonial-content p::before {
    content: '\201C';
    font-size: 4rem;
    position: absolute;
    top: -30px;
    left: -10px;
    color: rgba(212, 175, 55, 0.2);
    font-family: Georgia, serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--gold-primary);
}

.testimonial-author p {
    font-size: 0.9rem;
    color: var(--light-gray);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--white);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 50px;
    background: linear-gradient(to bottom right, var(--white) 0%, var(--white) 50%, transparent 50%, transparent 100%);
}

.contact-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-item {
    display: flex;
    margin-bottom: 30px;
}

.contact-item i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    margin-right: 15px;
    color: var(--gold-primary);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.contact-item:hover i {
    background-color: var(--gold-primary);
    color: var(--white);
    transform: scale(1.1);
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--light-gray);
}

.contact-form {
    flex: 1;
    min-width: 300px;
    background-color: var(--white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-form:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--gold-light);
    transform: translateY(-5px);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--gold-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #dc3545;
}

.error-message {
    color: #dc3545;
    font-size: 0.8rem;
    margin-top: 5px;
}

/* Footer */
footer {
    background-color: var(--black);
    color: var(--white);
}

.footer-top {
    padding: 60px 0;
}

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

.footer-column h3 {
    color: var(--gold-primary);
    margin-bottom: 20px;
    font-size: 1.3rem;
    position: relative;
    display: inline-block;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--gold-primary);
    transition: width 0.3s ease;
}

.footer-column:hover h3::after {
    width: 100%;
}

.footer-column p {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons 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: var(--white);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: var(--gold-primary);
    color: var(--black);
    transform: translateY(-5px);
}

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

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

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
}

.footer-column ul li a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--gold-primary);
    padding-left: 20px;
}

.footer-column ul li a:hover::before {
    opacity: 1;
}

.newsletter-form {
    display: flex;
    margin-top: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 8px 0 0 8px;
    font-size: 0.9rem;
}

.newsletter-form input:focus {
    outline: none;
}

.newsletter-form button {
    padding: 0 15px;
    background-color: var(--gold-primary);
    color: var(--black);
    border: none;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    background-color: var(--gold-dark);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 15px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h2 {
        font-size: 3rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .project-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .contact-wrapper {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .logo-container {
        margin-bottom: 10px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .about-stats {
        flex-direction: column;
    }
    
    .services-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .project-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 200px;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        border-radius: 8px;
        margin-bottom: 10px;
    }
    
    .newsletter-form button {
        border-radius: 8px;
        padding: 10px;
    }
}