:root {
    --primary: #1a1a1a;
    --secondary: #e52235;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --dinitrol-blue: #0066CB;
    --dinitrol-red: #E5233B;
}

.dinitrol-logo-container {
    margin: 2rem 0;
    text-align: center;
}

.dinitrol-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: flex-start;
}

.dinitrol-logo-large {
    text-align: center;
}

.dinitrol-logo-large img {
    max-width: 100%;
    height: auto;
    margin-bottom: 2rem;
}

.article-highlight {
    background-color: rgba(0, 102, 203, 0.05);
    border-left: 4px solid var(--dinitrol-blue);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 10px 10px 0;
}

.dinitrol-description h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--dinitrol-blue);
    position: relative;
}

.dinitrol-description h3::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--dinitrol-red);
    bottom: -10px;
    left: 0;
}

.dinitrol-description p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.dinitrol-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.dinitrol-feature {
    display: flex;
    align-items: flex-start;
}

.dinitrol-feature i {
    font-size: 2rem;
    margin-right: 1rem;
    margin-top: 0.5rem;
}

.feature-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.feature-content p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.dinitrol-products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.dinitrol-product {
    background-color: #f8f8f8;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--dinitrol-blue);
}

.dinitrol-product h4 {
    color: var(--dinitrol-blue);
    margin-bottom: 1rem;
}

.dinitrol-product p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

@media (max-width: 992px) {
    .dinitrol-content {
        grid-template-columns: 1fr;
    }
    
    .dinitrol-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 0.8rem 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

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

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

.logo img {
    height: 50px;
    transition: all 0.3s ease;
}

.header.scrolled .logo img {
    height: 40px;
}

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

.nav-menu li {
    margin-left: 2rem;
}

.nav-menu a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    bottom: -5px;
    left: 0;
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('1116304cs.jpg');
    background-size: cover;
    background-position: center;
    color: var(--light);
}

.hero-content {
    max-width: 800px;
    padding: 0 1rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--dinitrol-red);
    color: var(--light);
    border: 2px solid var(--dinitrol-red);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--dinitrol-red);
}

.btn-secondary {
    background-color: transparent;
    color: var(--light);
    border: 2px solid var(--light);
    margin-left: 1rem;
}

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

/* Car 3D animation container */
.car-container {
    position: relative;
    height: 200px;
    width: 100%;
    margin: 2rem 0;
    perspective: 1000px;
    overflow: hidden;
}

.car {
    position: absolute;
    width: 300px;
    height: 160px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotateY(0deg);
    transform-style: preserve-3d;
    transform-origin: center center;
}

.car-underside {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url('alvaz.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* Services Section */
.section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background-color: var(--dinitrol-red);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

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

.service-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.service-img {
    height: 200px;
    overflow: hidden;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.service-content {
    padding: 1.5rem;
}

.service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

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

.service-link {
    display: inline-block;
    color: var(--secondary);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.service-link:hover {
    transform: translateX(5px);
}

/* Detailed Services Section */
.detailed-service {
    margin-bottom: 5rem;
    padding-top: 2rem;
}

.detailed-service h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.detailed-service h3::after {
    content: '';
    position: absolute;
    width: 70px;
    height: 3px;
    background-color: var(--secondary);
    bottom: -10px;
    left: 0;
}

.detailed-service h4 {
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem;
    color: var(--secondary);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.service-detail-content {
    color: var(--gray);
}

.service-detail-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-detail-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.service-detail-content ul li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.service-detail-img img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.equipment-section {
    background-color: #f8f9fa;
    padding: 3rem;
    margin: 4rem 0;
    border-radius: 10px;
}

.dinitrol-advantages-section {
    background-color: rgba(0, 102, 203, 0.05);
    padding: 3rem;
    margin: 4rem 0;
    border-radius: 10px;
    border-left: 5px solid var(--dinitrol-blue);
}

/* Responsive for detailed services */
@media (max-width: 992px) {
    .service-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .service-detail-img {
        order: -1;
    }
    
    .detailed-service h3 {
        font-size: 1.8rem;
    }
}

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

.about-img {
    position: relative;
    height: 100%;
}

.about-img img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.about-content h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background-color: var(--secondary);
    bottom: -10px;
    left: 0;
}

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

.about-features {
    margin: 2rem 0;
}

.feature {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.feature i {
    color: var(--secondary);
    font-size: 1.2rem;
    margin-right: 1rem;
}

.process-container {
    position: relative;
    margin-top: 2rem;
}

.process-line {
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: #f0f0f0;
    z-index: -1;
}

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

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background-color: var(--secondary);
    color: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 1;
}

.step-content h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.step-content p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials {
    background-color: #f8f9fa;
}

.testimonial-slider {
    position: relative;
    overflow: hidden;
    padding: 3rem 0;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial {
    flex: 0 0 100%;
    padding: 0 1rem;
}

.testimonial-content {
    background-color: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    position: relative;
}

.testimonial-content::before {
    content: '\201C';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 4rem;
    color: #f0f0f0;
    font-family: serif;
    z-index: 0;
}

.testimonial-content p {
    position: relative;
    z-index: 1;
    margin-bottom: 1.5rem;
}

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

.author-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 1rem;
}

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

.author-info h4 {
    margin-bottom: 0.3rem;
}

.author-info p {
    color: var(--gray);
    font-size: 0.9rem;
    margin: 0;
}

.slider-controls {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--light);
    border: none;
    font-size: 1.2rem;
    margin: 0 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.contact-info {
    background-color: var(--primary);
    color: var(--light);
    padding: 2rem;
    border-radius: 10px;
}

.contact-info h3 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-detail i {
    font-size: 1.5rem;
    margin-right: 1rem;
    color: var(--secondary);
}

.contact-text {
    flex: 1;
}

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

.contact-text p, .contact-text a {
    color: #ddd;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-text a:hover {
    color: var(--secondary);
}

.contact-form {
    background-color: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-form h3 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

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

.form-control {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
}

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

.submit-btn {
    background-color: var(--secondary);
    color: var(--light);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* Footer */
.footer {
    background-color: var(--dark);
    color: var(--light);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-logo img {
    height: 60px;
    margin-bottom: 1rem;
}

.footer-text {
    color: #aaa;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #333;
    color: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background-color: var(--secondary);
}

.footer-title {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.contact-link {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.contact-link i {
    color: var(--secondary);
    margin-right: 1rem;
    margin-top: 5px;
}

.contact-link span {
    color: #aaa;
}

.contact-link a {
    color: #aaa;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-link a:hover {
    color: var(--secondary);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid #333;
    color: #aaa;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--secondary);
    color: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    z-index: 99;
    opacity: 0;
    transition: all 0.3s ease;
    transform: translateY(20px);
}

.back-to-top.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================================
   CHATBOT STÍLUSOK
   =========================================== */

/* Chatbot trigger button - javított verzió */
.chatbot-trigger {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--dinitrol-blue), var(--dinitrol-red));
    border-radius: 50%;
    border: none;
    cursor: pointer;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 4px 20px rgba(0, 102, 203, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
    outline: none;
    user-select: none;
}

.chatbot-trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 102, 203, 0.6);
    background: linear-gradient(135deg, var(--dinitrol-red), var(--dinitrol-blue));
}

.chatbot-trigger:active {
    transform: scale(0.95);
}

.chatbot-trigger:focus {
    outline: 2px solid var(--dinitrol-blue);
    outline-offset: 2px;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 102, 203, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(0, 102, 203, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 102, 203, 0); }
}

/* Chatbot container */
.chatbot-widget {
    position: fixed;
    bottom: 160px;
    right: 20px;
    width: 350px;
    height: 580px;               /* MEGNÖVELT: volt 500px - több hely a gomboknak */
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    z-index: 1002;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all 0.3s ease;
    overflow: hidden;
}

.chatbot-widget.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.chatbot-header {
    background: linear-gradient(135deg, var(--dinitrol-blue), var(--dinitrol-red));
    color: white;
    padding: 15px 20px;
    position: relative;
}

.chatbot-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.chatbot-header p {
    margin: 5px 0 0 0;
    font-size: 12px;
    opacity: 0.9;
}

.chatbot-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.chatbot-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.chatbot-status {
    position: absolute;
    top: 12px;
    left: 20px;
    width: 8px;
    height: 8px;
    background: #2ecc71;
    border-radius: 50%;
    animation: pulse-status 2s infinite;
}

@keyframes pulse-status {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.chatbot-messages {
    height: 300px;                   /* MÓDOSÍTOTT: volt 350px - arányos a widget magasságnöveléssel */
    overflow-y: auto;
    padding: 15px;
    background: #f8f9fa;
}

.chatbot-messages::-webkit-scrollbar {
    width: 4px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: var(--dinitrol-blue);
    border-radius: 2px;
}

.chat-message {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

.chat-message.bot {
    justify-content: flex-start;
}

.chat-message.user {
    justify-content: flex-end;
}

.message-bubble {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 15px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
}

.bot .message-bubble {
    background: white;
    border: 1px solid #e9ecef;
    color: var(--dark);
    border-bottom-left-radius: 5px;
}

.user .message-bubble {
    background: linear-gradient(135deg, var(--dinitrol-blue), var(--dinitrol-red));
    color: white;
    border-bottom-right-radius: 5px;
}

.chatbot-typing {
    display: none;
    padding: 10px 14px;
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 15px;
    border-bottom-left-radius: 5px;
    max-width: 80%;
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: #95a5a6;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-8px); }
}

.chatbot-quick-replies {
    padding: 15px 10px;              /* MEGNÖVELT: volt 15px */
    background: white;
    border-top: 1px solid #e9ecef;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;                       /* MEGNÖVELT: volt 8px */
    max-height: 400px;               /* MEGNÖVELT: volt 120px */
    min-height: 200px;                /* ÚJ: minimális magasság */
    overflow-y: auto;
    justify-content: center;         /* ÚJ: gombok középre igazítása */
    align-content: flex-start;       /* ÚJ: gombok felülre igazítása */
}

/* ===========================================
   CHATBOT GOMBOK TESTRESZABÁSI LEHETŐSÉGEK
   =========================================== */

/* ALAPÉRTELMEZETT GOMBOK - MEGNÖVELT MÉRET */
.quick-reply-btn {
    background: var(--dinitrol-blue);
    color: white;
    border: none;
    padding: 4px 6px;               /* MEGNÖVELT: volt 6px 12px */
    border-radius: 20px;              /* MEGNÖVELT: volt 15px */
    cursor: pointer;
    font-size: 14px;                  /* MEGNÖVELT: volt 12px */
    font-weight: 600;                 /* ÚJ: vastagabb betű */
    transition: all 0.3s ease;
    white-space: nowrap;
    min-height: 44px;                 /* ÚJ: minimális érintési terület */
    display: inline-flex;             /* ÚJ: jobb igazítás */
    align-items: center;              /* ÚJ: függőleges középre igazítás */
    justify-content: center;          /* ÚJ: vízszintes középre igazítás */
    margin: 4px 2px;                  /* ÚJ: kis margó a gombok között */
}

.quick-reply-btn:hover {
    background: var(--dinitrol-red);
    transform: translateY(-2px);     /* MEGNÖVELT: volt -1px */
    box-shadow: 0 4px 12px rgba(0, 102, 203, 0.3);  /* ÚJ: árnyék hozzáadva */
}

.quick-reply-btn:active {
    transform: translateY(0);
}

/* EXTRA NAGY GOMBOK OPCIÓ - ha még nagyobbra szeretné */
.quick-reply-btn.large {
    padding: 16px 24px;
    font-size: 16px;
    min-height: 52px;
    border-radius: 26px;
    font-weight: 700;
}

.quick-reply-btn.large:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 102, 203, 0.4);
}

/* TÉGLALAP ALAKÚ GOMBOK OPCIÓ */
.quick-reply-btn.rectangular {
    border-radius: 8px;
    padding: 14px 20px;
    font-size: 14px;
    width: calc(50% - 4px);         /* Két oszlopos elrendezés */
}

/* TELJES SZÉLESSÉGŰ GOMBOK OPCIÓ */
.quick-reply-btn.full-width {
    width: 100%;
    margin: 3px 0;
    padding: 16px;
    font-size: 15px;
    text-align: center;
}

.contact-info-box {
    background: #e8f4f8;
    padding: 12px;
    margin: 8px 0;
    border-radius: 10px;
    border-left: 4px solid var(--dinitrol-blue);
}

.contact-info-box h4 {
    color: var(--dark);
    margin-bottom: 6px;
    font-size: 13px;
}

.contact-info-box p {
    color: #5a6c7d;
    font-size: 12px;
    margin: 2px 0;
}

/* Reszponzív stílusok a chatbothoz */
@media (max-width: 768px) {
    .chatbot-widget {
        width: calc(100vw - 20px);
        height: 80vh;
        bottom: 80px;
        right: 10px;
        left: 10px;
        border-radius: 10px;
    }

    .chatbot-trigger {
        bottom: 80px;
        right: 15px;
        width: 55px;
        height: 55px;
        font-size: 22px;
    }

    .chatbot-messages {
        height: calc(80vh - 300px);        /* CSÖKKENTETT: hogy helyet adjon a nagyobb gombok területének */
    }

    .chatbot-quick-replies {
        max-height: 200px;                 /* MEGNÖVELT mobilon: volt 120px */
        padding: 15px;                     /* Mobil padding */
        gap: 8px;                          /* Kisebb gap mobilon */
    }

    .quick-reply-btn {
        font-size: 13px;             /* MEGNÖVELT: volt 11px */
        padding: 10px 16px;          /* MEGNÖVELT: volt 5px 10px */
        min-height: 48px;            /* ÚJ: még nagyobb mobilon */
        border-radius: 24px;         /* MEGNÖVELT: arányos a paddinghez */
    }
}

@media (max-width: 480px) {
    .chatbot-widget {
        width: calc(100vw - 10px);
        height: 85vh;
        bottom: 70px;
        right: 5px;
        left: 5px;
    }

    .message-bubble {
        font-size: 13px;
        max-width: 85%;
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .about {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .btn {
        display: block;
        width: 100%;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .btn-secondary {
        margin-left: 0;
    }
}