/* ========================================
   Solid Build Construction - Main Stylesheet
   Color Scheme: Steel Blue (#4682B4), Dark Gray (#2C3E50), White (#FFFFFF)
   ======================================== */

/* === CSS Variables === */
:root {
    --primary-color: #4682B4;
    --primary-dark: #34648C;
    --secondary-color: #2C3E50;
    --secondary-light: #34495E;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --text-dark: #1A1A1A;
    --border-color: #DDD;
    --shadow: 0 2px 15px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 25px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

/* === Global Styles === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: var(--secondary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-link:hover {
    color: var(--primary-dark);
    gap: 12px;
}

.btn-full {
    width: 100%;
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* === Navigation === */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--secondary-color);
}

.navbar.scrolled .logo a,
.navbar.scrolled .nav-menu a {
    color: var(--white);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--secondary-color);
}

.logo i {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    color: var(--secondary-color);
    font-weight: 600;
    padding: 8px 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    transition: var(--transition);
}

/* === Hero Section === */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(44, 62, 80, 0.7), rgba(70, 130, 180, 0.7)), 
                url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1920') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 62, 80, 0.4);
}

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

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--white);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: var(--white);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* === Animations === */
.animate-fade-in {
    animation: fadeIn 1s ease-in;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s both;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === Features Section === */
.features {
    padding: 80px 0;
    background: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

/* === Services Section === */
.services-preview {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--medium-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

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

.service-content {
    padding: 2rem;
}

.service-content h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.service-content p {
    color: var(--medium-gray);
    margin-bottom: 1rem;
}

/* === Stats Section === */
.stats {
    padding: 80px 0;
    background: var(--secondary-color);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.2rem;
}

/* === Testimonials === */
.testimonials-preview {
    padding: 80px 0;
    background: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.stars {
    color: #FFA500;
    margin-bottom: 1rem;
}

.testimonial-card p {
    font-style: italic;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.testimonial-author h4 {
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

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

/* === CTA Section === */
.cta {
    padding: 80px 0;
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.cta h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.cta .btn-primary:hover {
    background: var(--light-gray);
}

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

/* === Footer === */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-col h3,
.footer-col h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-col p {
    margin-bottom: 1rem;
    color: #BDC3C7;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: #BDC3C7;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.contact-info i {
    color: var(--primary-color);
    margin-top: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    color: #BDC3C7;
}

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

/* === Page Header === */
.page-header {
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(70, 130, 180, 0.8)), 
                url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?w=1920') center/cover;
    padding: 120px 0 80px;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.3rem;
}

/* === About Page === */
.about-content {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--medium-gray);
}

.about-image img {
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.mission-vision {
    padding: 80px 0;
    background: var(--light-gray);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.mv-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
}

.mv-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.why-choose {
    padding: 80px 0;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.why-item {
    text-align: center;
    padding: 2rem;
}

.why-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.team {
    padding: 80px 0;
    background: var(--light-gray);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.team-image {
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* === Services Page === */
.services-detailed {
    padding: 80px 0;
}

.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.service-detail.reverse {
    direction: rtl;
}

.service-detail.reverse > * {
    direction: ltr;
}

.service-icon-large {
    width: 100px;
    height: 100px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin-bottom: 2rem;
}

.service-detail-content h2 {
    margin-bottom: 1.5rem;
}

.service-detail-content p {
    margin-bottom: 2rem;
    line-height: 1.8;
    color: var(--medium-gray);
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--medium-gray);
}

.service-features i {
    color: var(--primary-color);
}

.service-detail-image img {
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.process {
    padding: 80px 0;
    background: var(--light-gray);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem 1rem;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

/* === Portfolio Page === */
.portfolio-filter {
    padding: 40px 0;
    text-align: center;
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--white);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

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

.portfolio-gallery {
    padding: 40px 0 80px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 62, 80, 0.95);
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

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

.portfolio-overlay h3 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.portfolio-category {
    display: inline-block;
    padding: 5px 15px;
    background: var(--primary-color);
    border-radius: 20px;
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* === Testimonials Page === */
.testimonials-full {
    padding: 80px 0;
}

.testimonial-card-full {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.testimonial-header img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
}

.testimonial-card-full p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.testimonial-meta {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.testimonial-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.testimonial-meta i {
    color: var(--primary-color);
}

/* === Blog Page === */
.blog {
    padding: 80px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

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

.blog-content {
    padding: 2rem;
}

.blog-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--medium-gray);
    flex-wrap: wrap;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.blog-meta i {
    color: var(--primary-color);
}

.blog-content h3 {
    margin-bottom: 1rem;
}

.blog-content p {
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

/* === Contact Page === */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info-col h2,
.contact-form-col h2 {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
}

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

.social-links-contact {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links-contact a {
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links-contact a:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* === Contact Form === */
.contact-form {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: 10px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

.form-message {
    margin-top: 1rem;
    padding: 12px;
    border-radius: 5px;
    display: none;
}

.form-message.success {
    background: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
    display: block;
}

.form-message.error {
    background: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
    display: block;
}

/* === Map Section === */
.map-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.contact-cta {
    padding: 60px 0;
    background: var(--secondary-color);
    color: var(--white);
    text-align: center;
}

.contact-cta h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.contact-cta p {
    margin-bottom: 2rem;
}

/* === Newsletter Popup === */
.newsletter-popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow-hover);
    max-width: 400px;
    z-index: 999;
    display: none;
}

.newsletter-popup.show {
    display: block;
    animation: slideInUp 0.5s ease;
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-popup {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--medium-gray);
}

.newsletter-content h3 {
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 1.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
}

/* === Chatbot === */
.chatbot {
    position: fixed;
    bottom: 100px;
    right: 20px;
    width: 350px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-hover);
    display: none;
    flex-direction: column;
    z-index: 998;
}

.chatbot.show {
    display: flex;
}

.chatbot-header {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem;
    border-radius: 10px 10px 0 0;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.chatbot-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

.chatbot-body {
    padding: 1.5rem;
    height: 300px;
    overflow-y: auto;
}

.chatbot-message {
    margin-bottom: 1rem;
    padding: 10px 15px;
    border-radius: 20px;
    max-width: 80%;
}

.bot-message {
    background: var(--light-gray);
    align-self: flex-start;
}

.user-message {
    background: var(--primary-color);
    color: var(--white);
    align-self: flex-end;
    margin-left: auto;
}

.chatbot-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

.chatbot-footer input {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
}

.chatbot-footer button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
}

.chatbot-trigger {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-hover);
    z-index: 997;
    transition: var(--transition);
}

.chatbot-trigger:hover {
    transform: scale(1.1);
}

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

.mt-4 {
    margin-top: 3rem;
}

.mb-4 {
    margin-bottom: 3rem;
}

/* === Responsive Design === */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

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

    .hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .about-grid,
    .service-detail,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .service-detail.reverse {
        direction: ltr;
    }

    .hero-buttons {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.5rem; }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .chatbot {
        width: 90%;
        right: 5%;
    }

    .newsletter-popup {
        max-width: 90%;
        right: 5%;
    }

    .portfolio-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

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

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