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

:root {
    --primary-color: #5DADE2;
    --secondary-color: #85C1E9;
    --accent-color: #53cde9;
    --dark-color: #3498DB;
    --light-color: #EBF5FB;
    --text-dark: #2C3E50;
    --text-light: #5D6D7E;
    --white: #ffffff;
    --shadow: rgba(52, 152, 219, 0.15);
}

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;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    height: 4.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    position: relative;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-brand .logo {
    height: 4.5rem;
    width: auto;
    padding: 0;
    margin: 0;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--light-color) 0%, var(--accent-color) 100%);
    padding-top: 80px;
}

.hero-content {
    text-align: center;
    animation: fadeInUp 1s ease;
}

.hero-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--white);
    box-shadow: 0 10px 30px var(--shadow);
}

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

.hero h1 {
    font-size: 3rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.hero h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px var(--shadow);
}

.cta-button:hover {
    background-color: var(--dark-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--shadow);
}

section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--secondary-color);
    margin: 1rem auto 0;
    border-radius: 2px;
}

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

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

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.education {
    background-color: var(--light-color);
}

.education-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

.education-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    width: 100%;
    max-width: 350px;
    min-width: 300px;
    flex: 1 1 300px;
}

.education-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--shadow);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.education-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

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

.services {
    background-color: var(--light-color);
}

.services-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
    justify-content: center;
}

.service-card {
    background: linear-gradient(135deg, var(--light-color) 0%, var(--white) 100%);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 350px;
    min-width: 280px;
    flex: 1 1 280px;
}

.service-card:hover {
    border-left-color: var(--primary-color);
    box-shadow: 0 5px 20px var(--shadow);
    transform: translateX(5px);
}

.service-card h3 {
    color: var(--dark-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

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

.work-info {
    text-align: center;
    padding: 2rem;
    background-color: var(--light-color);
    border-radius: 15px;
    margin-top: 2rem;
}

.work-info p {
    font-size: 1.1rem;
    color: var(--text-dark);
}

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

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

.certificate-card {
    background-color: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
}

.certificate-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.certificate-image:hover {
    transform: scale(1.05);
}

.pdf-thumbnail {
    width: 100%;
    height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--light-color) 0%, var(--accent-color) 100%);
    cursor: pointer;
    transition: all 0.3s ease;
}

.pdf-thumbnail:hover {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
}

.pdf-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.certificate-info {
    padding: 1.5rem;
    text-align: center;
}

.certificate-info h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.certificate-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.pdf-viewer {
    background-color: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    overflow: hidden;
    margin-top: 2rem;
}

.pdf-viewer embed {
    width: 100%;
    height: 800px;
    border: none;
}

.contact {
    background-color: var(--light-color);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.contact-item h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

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

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
}

.contact-item a:hover {
    color: var(--dark-color);
}

.contact-form {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: 15px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 2px solid transparent;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--white);
    transition: border-color 0.3s ease;
}

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

.submit-button {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--light-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 15px var(--shadow);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    background-color: var(--light-color);
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: var(--accent-color);
}

.faq-question h3 {
    color: var(--dark-color);
    font-size: 1.1rem;
    margin: 0;
    flex: 1;
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
    transition: transform 0.3s ease;
    margin-left: 1rem;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: var(--white);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 1.5rem;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
}

.submit-button:hover {
    background-color: var(--dark-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow);
}

.footer {
    background-color: var(--dark-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}




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

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
        display: none;
    }

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

    .hero h2 {
        font-size: 1.2rem;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .hero-image {
        width: 150px;
        height: 150px;
    }

    .cta-button {
        padding: 0.8rem 2rem;
    }
}


.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        gap: 0;
        padding: 0;
       display: none;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: 0 5px 10px var(--shadow);
    }

    .nav-menu.active {
        max-height: 500px;
        display: flex;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--light-color);
    }

    .nav-menu a {
        display: block;
        padding: 1rem 20px;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }

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

    .hero h2 {
        font-size: 1.2rem;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
    }

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