:root {
    --primary: #002F5F;
    --secondary: #007ACC;
    --accent: #FF0000;
    --background: #F5F7FA;
    --background-dark: #E1E5EA;
    --white: #FFFFFF;
    --text: #333333;
    --text-light: #666666;
    --gradient-primary: linear-gradient(135deg, #002F5F 0%, #007ACC 100%);
    --gradient-accent: linear-gradient(135deg, #FF0000 0%, #FF4444 100%);
    --shadow-sm: 0 2px 4px rgba(0, 47, 95, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 47, 95, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 47, 95, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: var(--text);
    background: var(--background);
    overflow-x: hidden;
}

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

header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid rgba(255, 0, 0, 0.1);
    padding: 0.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 0.3rem 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.logo img {
    height: 45px;
    transition: all 0.3s ease;
}

nav {
    display: flex;
    align-items: center;
}

nav ul {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.15rem;
    padding: 0.5rem 0;
    position: relative;
    transition: all 0.3s ease;
}

nav a.active {
    color: var(--accent);
}

nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

nav a:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-contact-btn {
    background: var(--gradient-accent);
    color: var(--white) !important;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: none;
}

.nav-contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
}

.nav-contact-btn::before {
    display: none;
}

.hero, .about-hero, .offer-hero, .contact-hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
    content-visibility: auto;
    contain-intrinsic-size: 1px 1000px;
}

/* Optimize sections for better performance */
.services, .why-us, .features, .about-main, .expertise, .values, .commitment, .contact-main {
    content-visibility: auto;
    contain-intrinsic-size: 1px 800px;
}

/* Add GPU acceleration for animations */
.fade-in, .service-card, .feature-card, .value-card, .expertise-card {
    will-change: transform, opacity;
    transform: translateZ(0);
}

.hero::before, .about-hero::before, .offer-hero::before, .contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(1, 70, 139, 0.7));
    z-index: 1;
}

.hero {
    background: url('Strona główna.JPG') no-repeat center center/cover;
}

.about-hero {
    background: url('Projektowanie układów sterowania.jpg') no-repeat center center/cover;
}

.offer-hero {
    background: url('Robotyka przemysłowa.JPG') no-repeat center center/cover;
}

.contact-hero {
    background: url('Programowanie sterowników PLC.jpg') no-repeat center center/cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    color: var(--white);
}

.hero h1, .about-hero h1, .offer-hero h1, .contact-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    color: var(--white);
}

.hero p, .about-hero p, .offer-hero p, .contact-hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s;
    opacity: 0;
    animation-fill-mode: forwards;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    margin: 0 auto 2rem;
}

.why-us {
    padding: 5rem 0;
    background: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary);
    position: relative;
    padding-bottom: 1rem;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.why-us-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.why-us-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.why-us-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.why-us-icon i {
    font-size: 2rem;
    color: var(--white);
}

.why-us-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.services {
    padding: 5rem 0;
    background: var(--background);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 3.5rem;
    padding: 3rem;
    max-width: 1600px;
    margin: 0 auto;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.01);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--accent);
}

.service-image {
    display: block;
    height: 320px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    text-decoration: none;
}

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

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

.service-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 70%, rgba(0, 0, 0, 0.1));
    z-index: 1;
}

.service-card h3 {
    padding: 2rem 2rem 1rem;
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 600;
    position: relative;
}

.service-card p {
    padding: 0 2rem 1.5rem;
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
}

.service-card .learn-more {
    display: inline-block;
    margin: 0 2rem 2.5rem;
    padding: 0.8rem 1.8rem;
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.service-card .learn-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 47, 95, 0.2);
}

.mission {
    padding: 5rem 0;
    background: var(--gradient-primary);
    color: var(--white);
}

.mission-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.mission-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.mission-text {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.company-quote {
    font-size: 1.5rem;
    font-style: italic;
    margin-top: 2rem;
    padding: 2rem;
    border-top: 2px solid rgba(255, 255, 255, 0.2);
}

footer {
    background: var(--primary);
    color: var(--white);
    padding: 4rem 0 2rem;
}

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

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent);
}

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

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent);
    transform: translateY(-3px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

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

.detailed-services {
    padding: 5rem 0;
    background: var(--white);
}

.service-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: center;
}

.service-item:nth-child(even) {
    direction: rtl;
}

.service-item:nth-child(even) .service-content {
    direction: ltr;
}

.service-item:last-child {
    margin-bottom: 0;
}

.service-image {
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.service-item:hover .service-image img {
    transform: scale(1.05);
}

.service-content {
    padding: 2rem;
}

.service-content h2 {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.service-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent);
}

.service-content p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

.target-group {
    padding: 8rem 0;
    background: linear-gradient(135deg, #002F5F 0%, #007ACC 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
    border-top: 4px solid var(--secondary);
}

.target-group::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    transform: rotate(45deg);
}

.target-group .section-title {
    color: var(--white);
    font-size: 3.2rem;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.target-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.target-content p {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    line-height: 1.8;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.target-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.target-list li {
    position: relative;
    font-size: 1.2rem;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 122, 204, 0.2);
    display: flex;
    align-items: center;
    gap: 2rem;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.target-list li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.target-list li i {
    font-size: 2.8rem;
    color: var(--white);
    transition: all 0.5s ease;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}

.target-list li span {
    flex: 1;
    position: relative;
    z-index: 1;
    line-height: 1.6;
    font-weight: 500;
    letter-spacing: 0.2px;
}

.target-list li:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--white);
    box-shadow:
        0 15px 30px rgba(0, 0, 0, 0.15),
        0 0 30px rgba(255, 255, 255, 0.2);
}

.target-list li:hover::before {
    opacity: 1;
}

.target-list li:hover i {
    transform: scale(1.3) rotate(8deg);
    color: var(--white);
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.8);
}

@keyframes glow {
    0% { box-shadow: 0 0 5px rgba(255, 0, 0, 0.2); }
    50% { box-shadow: 0 0 20px rgba(255, 0, 0, 0.4); }
    100% { box-shadow: 0 0 5px rgba(255, 0, 0, 0.2); }
}

.features {
    padding: 5rem 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

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

.feature-card:hover .feature-icon {
    transform: rotate(360deg);
}

.feature-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.feature-card h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.about-main {
    padding: 8rem 0;
    background: var(--white);
    position: relative;
}

.about-main::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--white);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0% 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.about-content {
    padding-right: 2rem;
}

.about-content h2 {
    color: var(--primary);
    font-size: 2.8rem;
    margin-bottom: 2.5rem;
    position: relative;
    padding-bottom: 1.5rem;
}

.about-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--accent);
}

.about-content p {
    color: var(--text-light);
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-content p:last-child {
    margin-bottom: 0;
}

.about-image {
    height: 500px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.2) 100%);
    z-index: 1;
    transition: var(--transition);
}

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

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

.about-image:hover::before {
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.3) 100%);
}

@media (max-width: 992px) {
    .about-main {
        padding: 6rem 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-content {
        padding-right: 0;
        text-align: center;
    }

    .about-content h2::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .about-image {
        height: 400px;
        max-width: 700px;
        margin: 0 auto;
    }
}

@media (max-width: 576px) {
    .about-main {
        padding: 4rem 0;
    }

    .about-content h2 {
        font-size: 2.2rem;
        margin-bottom: 2rem;
    }

    .about-content p {
        font-size: 1.05rem;
    }

    .about-image {
        height: 300px;
    }
}

.expertise {
    padding: 8rem 0 14rem;
    background: var(--gradient-primary);
    color: var(--white);
    position: relative;
    overflow: visible;
    margin-bottom: -8rem;
}

.expertise::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--gradient-primary);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0% 100%);
}

.expertise-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
    padding: 0 2rem;
}

.expertise-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-10px);
}

.expertise-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

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

.expertise-card h3 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.expertise-card p {
    color: var(--white);
    opacity: 0.9;
    line-height: 1.6;
    margin: 0;
}

.values {
    position: relative;
    z-index: 1;
    padding-top: 14rem;
    padding-bottom: 8rem;
    background: var(--white);
}

.values::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 14rem;
    background: var(--gradient-primary);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 40%);
    z-index: -1;
}

.values .section-title {
    color: var(--white);
    margin-bottom: 8rem;
    position: relative;
    z-index: 1;
    text-align: center;
}

.values .section-title::after {
    background: var(--white);
    margin: 1.5rem auto 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.value-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.value-card:hover {
    transform: translateY(-10px);
}

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

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

.value-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.value-card p {
    color: var(--text);
    line-height: 1.6;
    margin: 0;
}

.commitment {
    padding: 8rem 0;
    background: var(--gradient-primary);
    text-align: center;
}

.commitment-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.commitment h2 {
    color: var(--white);
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.commitment p {
    color: var(--white);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.commitment .cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient-accent);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.commitment .cta-button:hover {
    transform: translateY(-3px);
}

.expertise-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.expertise-content::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transform: rotate(45deg);
}

.expertise-content p {
    font-size: 1.3rem;
    margin-bottom: 4rem;
    line-height: 1.8;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.expertise-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.expertise-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.expertise-icon {
    width: 90px;
    height: 90px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    transition: var(--transition);
    position: relative;
}

.expertise-icon::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    animation: pulse 2s infinite;
}

.expertise-card:hover .expertise-icon {
    transform: rotate(360deg);
    background: var(--accent);
}

.expertise-icon i {
    font-size: 2.5rem;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.expertise-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.expertise-card p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
    100% {
        transform: scale(1);
        opacity: 0.8;
    }
}

@media (max-width: 768px) {
    .expertise {
        padding: 6rem 0;
    }

    .expertise-content p {
        font-size: 1.15rem;
        margin-bottom: 3rem;
    }

    .expertise-grid {
        gap: 2rem;
    }

    .expertise-card {
        padding: 2rem;
    }

    .expertise-icon {
        width: 80px;
        height: 80px;
    }
}

.values {
    padding: 8rem 0;
    background: var(--white);
    position: relative;
}

.values::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--white);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0% 100%);
}

.values .section-title {
    margin-bottom: 4rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.value-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--background-dark);
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.value-card:hover::before {
    transform: scaleX(1);
}

.value-icon {
    width: 90px;
    height: 90px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow-md);
}

.value-icon::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 2px solid var(--background-dark);
    transition: var(--transition);
}

.value-card:hover .value-icon {
    transform: rotate(360deg);
}

.value-card:hover .value-icon::after {
    border-color: var(--accent);
    transform: scale(1.1);
}

.value-icon i {
    font-size: 2.5rem;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.value-card h3 {
    color: var(--primary);
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    position: relative;
    padding-bottom: 1rem;
}

.value-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.value-card:hover h3::after {
    width: 60px;
}

.value-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
}

@media (max-width: 768px) {
    .values {
        padding: 6rem 0;
    }

    .values-grid {
        gap: 2rem;
    }

    .value-card {
        padding: 2.5rem 1.5rem;
    }

    .value-icon {
        width: 80px;
        height: 80px;
    }

    .value-card h3 {
        font-size: 1.4rem;
    }
}

@media (max-width: 576px) {
    .value-card {
        padding: 2rem 1.5rem;
    }

    .value-icon {
        width: 70px;
        height: 70px;
    }

    .value-icon i {
        font-size: 2rem;
    }

    .value-card h3 {
        font-size: 1.3rem;
    }

    .value-card p {
        font-size: 1rem;
    }
}

.commitment {
    padding: 8rem 0;
    background: var(--gradient-primary);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.commitment::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--gradient-primary);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0% 100%);
}

.commitment-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 0 1.5rem;
    position: relative;
}

.commitment-content::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transform: rotate(45deg);
}

.commitment-content h2 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    padding-bottom: 1.5rem;
}

.commitment-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent);
}

.commitment-content p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    line-height: 1.8;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .commitment {
        padding: 6rem 0;
    }

    .commitment-content h2 {
        font-size: 2.2rem;
    }

    .commitment-content p {
        font-size: 1.15rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 576px) {
    .commitment-content h2 {
        font-size: 2rem;
    }

    .commitment-content p {
        font-size: 1.1rem;
    }
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient-accent);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-bounce);
    margin-top: 2rem;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(255, 0, 0, 0.4);
}

.contact-main {
    padding: 6rem 0 4rem;
    background: var(--white);
    position: relative;
}

.page-title {
    color: var(--primary);
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-secondary {
    background: var(--background);
    padding: 6rem 0;
    position: relative;
}

.contact-secondary::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--background);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0% 100%);
}

.contact-banner {
    background: var(--gradient-primary);
    padding: 6rem 0;
    text-align: center;
    color: var(--white);
    position: relative;
    margin-top: 4rem;
}

.contact-banner::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--gradient-primary);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0% 100%);
}

.contact-banner h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.contact-banner p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.banner-contacts {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.banner-contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: rgba(255,255,255,0.1);
    border-radius: 50px;
    transition: var(--transition);
}

.banner-contact-item:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.2);
}

.banner-contact-item i {
    font-size: 1.5rem;
    color: var(--accent);
}

.banner-contact-item span {
    font-size: 1.1rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .contact-banner {
        padding: 4rem 0;
    }

    .contact-banner h2 {
        font-size: 2rem;
    }

    .contact-banner p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }

    .banner-contacts {
        gap: 1.5rem;
    }

    .banner-contact-item {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
}

.contact-info {
    padding: 3rem;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    height: fit-content;
}

.contact-info::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transform: rotate(45deg);
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.contact-details {
    position: relative;
    z-index: 1;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 2.5rem;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-item i {
    font-size: 1.5rem;
    margin-right: 1.5rem;
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.contact-item:hover i {
    transform: rotate(360deg);
    background: var(--accent);
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.contact-form {
    padding: 4rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
}

.contact-form h2 {
    color: var(--primary);
    font-size: 2.2rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.contact-form h2::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent);
}

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

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

.form-group label {
    display: block;
    margin-bottom: 1rem;
    color: var(--text);
    font-weight: 600;
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem 1.4rem;
    border: 2px solid var(--background-dark);
    border-radius: 12px;
    transition: var(--transition);
    font-size: 1rem;
    background: var(--background);
    resize: vertical;
    min-height: 120px;
}

.form-group input {
    min-height: auto;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
    opacity: 0.8;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,0,0,0.1);
    background: var(--white);
}

/* Form Success Animation */
@keyframes formSuccess {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

@keyframes glowSuccess {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

.success-animation {
    animation: formSuccess 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
    position: relative;
}

.success-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(40, 167, 69, 0.05);
    border-radius: var(--border-radius);
    z-index: -1;
    animation: glowSuccess 0.6s ease-in-out;
}

.success-animation .form-group input,
.success-animation .form-group textarea {
    border-color: #28a745;
    background: #e7f6e7;
    transition: all 0.3s ease;
}

.consent-group {
    margin: 3rem 0;
    padding: 1rem;
    background: var(--background);
    border-radius: 12px;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition);
}

.checkbox-container:hover {
    background: rgba(255,255,255,0.5);
}

.consent-text {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
    flex: 1;
}

input[type="checkbox"] {
    width: 22px;
    height: 22px;
    border: 2px solid var(--background-dark);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2px;
}

input[type="checkbox"]:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

input[type="checkbox"]:hover {
    border-color: var(--accent);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-accent);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,0,0,0.3);
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info {
        padding: 2rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
}

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-item {
        margin-bottom: 2rem;
    }
    
    .contact-item i {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        margin-right: 1rem;
    }
    
    .contact-form h2,
    .contact-info h2 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
}

.map-section {
    padding: 6rem 0;
    background: var(--white);
    margin-bottom: 2rem;
}

.map-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.map-container h2 {
    color: var(--primary);
    font-size: 2.2rem;
    margin-bottom: 2.5rem;
    text-align: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.map-container h2 i {
    color: var(--accent);
    font-size: 2rem;
}

.map-container h2::after {
    content: '';
    position: absolute;
    bottom: -0.8rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent);
}

.map-wrapper {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--background-dark);
    transition: var(--transition);
}

.map-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.map-wrapper iframe {
    display: block;
    width: 100%;
    height: 450px;
}

@media (max-width: 768px) {
    .map-section {
        padding: 3rem 0;
    }

    .map-container h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .map-wrapper iframe {
        height: 350px;
    }
}

@media (max-width: 576px) {
    .map-wrapper iframe {
        height: 300px;
    }
}

.faq {
    padding: 6rem 0;
    background: var(--background);
    margin-top: 2rem;
}

.faq .section-title {
    color: var(--primary);
    font-size: 2.2rem;
    margin-bottom: 3.5rem;
    text-align: center;
    position: relative;
}

.faq .section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--background-dark);
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.faq-item h3 {
    color: var(--primary);
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    position: relative;
    padding-bottom: 1rem;
    line-height: 1.4;
}

.faq-item h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.faq-item:hover h3::after {
    width: 60px;
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
}

@media (max-width: 768px) {
    .faq {
        padding: 4rem 0;
    }
    
    .faq .section-title {
        font-size: 2rem;
        margin-bottom: 2.5rem;
    }
    
    .faq-grid {
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .faq-item {
        padding: 2rem;
    }
    
    .faq-item h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-item {
        padding: 1.5rem;
    }
    
    .faq-item h3 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }
    
    .faq-item p {
        font-size: 1rem;
    }
}

@media (max-width: 992px) {
    .mobile-menu-btn {
        display: block;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        transition: transform 0.3s ease;
        z-index: 1001;
    }

    nav.active {
        transform: translateX(-100%);
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        gap: 2rem;
    }

    .hero h1, .about-hero h1, .offer-hero h1, .contact-hero h1 {
        font-size: 2.5rem;
    }

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

    .service-item {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .service-item:nth-child(even) {
        direction: ltr;
    }

    .service-image {
        height: 300px;
    }

    .service-content {
        padding: 1rem;
        text-align: center;
    }

    .service-content h2::after {
        left: 50%;
        transform: translateX(-50%);
    }

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

    .feature-card {
        padding: 2rem;
    }

    .target-list li {
        padding: 0.8rem 1.5rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 0.5rem 1rem;
    }

    .hero p, .about-hero p, .offer-hero p, .contact-hero p {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }

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

    .footer-section h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-links {
        justify-content: center;
    }

    .service-image {
        height: 250px;
    }

    .service-content h2 {
        font-size: 1.8rem;
    }

    .feature-card {
        padding: 2rem 1.5rem;
    }

    .target-content p {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .target-list li {
        font-size: 1rem;
        padding: 0.8rem 1.2rem;
    }
}

@media (max-width: 576px) {
    .hero h1, .about-hero h1, .offer-hero h1, .contact-hero h1 {
        font-size: 2rem;
        padding: 0 1rem;
    }

    .why-us-card, .service-card {
        padding: 1.5rem;
    }

    .service-image {
        height: 200px;
    }

    .service-content {
        padding: 1rem 0.5rem;
    }

    .service-content h2 {
        font-size: 1.6rem;
    }

    .service-content p {
        font-size: 1rem;
    }

    .feature-card {
        padding: 1.5rem 1rem;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
    }

    .feature-icon i {
        font-size: 2rem;
    }

    .target-list li {
        font-size: 0.95rem;
        padding: 0.7rem 1rem;
    }
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 2rem;
    border-radius: 12px;
    background: var(--white);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateX(150%);
    opacity: 0;
    z-index: 9999;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification-content img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.notification.success {
    background: #e7f6e7;
    border-left: 4px solid #28a745;
}

.notification.error {
    background: #fce8e8;
    border-left: 4px solid #dc3545;
}

.notification i {
    font-size: 1.5rem;
}

.notification.success i {
    color: #28a745;
}

.notification.error i {
    color: #dc3545;
}

.notification span {
    color: var(--text);
    font-weight: 500;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.language-switcher {
    position: fixed;    
    top: 20px;          
    right: 20px;          
    display: flex;
    gap: 10px;            
    z-index: 1000;    
}

.language-switcher a img {
    width: 32px;         
    height: auto;
    cursor: pointer;
    border-radius: 4px;   
    transition: transform 0.2s;
}

.language-switcher a img:hover {
    transform: scale(1.1);
}
.language-switcher a img {
    width: 32px;
    height: auto;
    cursor: pointer;
    border-radius: 4px;
    transition: transform 0.2s;
    vertical-align: middle; 
}