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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: #2c3e50;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.main-header {
    background: #ffffff;
    padding: 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease-out;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.navigation-menu {
    width: 100%;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    position: relative;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo-link:hover {
    transform: translateY(-2px);
}

.site-logo {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-link:hover .site-logo {
    transform: rotate(5deg) scale(1.05);
}

.brand-text {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover span {
    background: linear-gradient(135deg, #764ba2 0%, #f093fb 100%);
}

.menu-list {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.menu-list>li {
    position: relative;
}

.menu-item {
    color: #2c3e50;
    text-decoration: none;
    padding: 12px 20px;
    font-weight: 600;
    font-size: 15px;
    border-radius: 10px;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.menu-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: #667eea;
    transform: translateY(-2px);
}

.menu-item.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.menu-item.cta-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    margin-left: 10px;
}

.menu-item.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.dropdown-icon {
    margin-left: 3px;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown {
    position: relative;
}

.submenu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    background: #ffffff;
    min-width: 260px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 8px 0;
    margin: 0;
    list-style: none;
    animation: fadeInDown 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown:hover .submenu {
    display: block;
}

.submenu-item {
    color: #2c3e50;
    text-decoration: none;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.submenu-icon {
    font-size: 18px;
}

.submenu-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: #667eea;
    padding-left: 25px;
}

@media screen and (max-width: 1024px) {
    .nav-container {
        padding: 15px 30px;
    }

    .menu-list {
        gap: 5px;
    }

    .menu-item {
        padding: 10px 15px;
        font-size: 14px;
    }

    .brand-text {
        font-size: 1.5rem;
    }
}

@media screen and (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .menu-list {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 300px;
        max-width: 80vw;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 30px 30px;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
        transition: right 0.4s ease;
        gap: 5px;
        overflow-y: auto;
        z-index: 1000;
    }

    .menu-list.active {
        right: 0;
    }

    .menu-list>li {
        width: 100%;
    }

    .menu-item {
        width: 100%;
        justify-content: flex-start;
        font-size: 16px;
        padding: 15px 20px;
    }

    .submenu {
        position: static;
        box-shadow: none;
        border: none;
        border-left: 3px solid #667eea;
        margin-left: 20px;
        margin-top: 5px;
        border-radius: 0;
    }

    .dropdown:hover .submenu {
        display: none;
    }

    .dropdown.active .submenu {
        display: block;
    }
}

.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
}

section {
    margin: 60px 0;
    padding: 60px 30px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb);
}

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

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    padding: 80px 30px;
    margin-top: 0;
    border-radius: 0 0 50px 50px;
}

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

.main-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-align: center;
    background: linear-gradient(45deg, #ffffff, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 2s ease-in-out infinite;
    line-height: 1.3;
}

@keyframes titleGlow {

    0%,
    100% {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    }

    50% {
        text-shadow: 0 0 30px rgba(255, 255, 255, 0.8);
    }
}

.development-notice {
    background: rgba(255, 255, 255, 0.15);
    padding: 20px 30px;
    border-radius: 15px;
    text-align: center;
    margin: 30px auto;
    max-width: 900px;
    font-size: 1.05rem;
    line-height: 1.8;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-top: 50px;
}

.hero-subtitle {
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.9;
    text-align: justify;
}

.hero-image {
    position: relative;
}

.feature-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: transform 0.4s ease;
}

.feature-img:hover {
    transform: scale(1.05) rotate(1deg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.section-intro {
    text-align: center;
    font-size: 1.15rem;
    color: #555;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
    align-items: start;
}

.about-paragraph {
    margin-bottom: 25px;
    font-size: 1.05rem;
    text-align: justify;
    line-height: 1.9;
    color: #444;
}

.about-images {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: all 0.4s ease;
}

.about-img:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    color: #ffffff;
    transition: transform 0.3s ease;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.stat-item:hover {
    transform: translateY(-10px) scale(1.05);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.solutions-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8eaf6 100%);
}

.solution-item {
    margin-bottom: 50px;
    padding: 40px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

.solution-item:hover {
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.2);
    transform: translateY(-5px);
}

.solution-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.solution-item.reverse .solution-content {
    grid-template-columns: 1fr 1.2fr;
}

.solution-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #667eea;
}

.solution-description {
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 20px;
    text-align: justify;
    color: #444;
}

.solution-img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.4s ease;
}

.solution-img:hover {
    transform: scale(1.08);
}

.technology-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
}

.technology-section .section-title {
    color: #ffffff;
    -webkit-text-fill-color: #ffffff;
}

.technology-section .section-title::after {
    background: #ffffff;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.tech-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.tech-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.tech-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.tech-description {
    font-size: 1.05rem;
    line-height: 1.8;
    opacity: 0.95;
}

.tech-image-section {
    text-align: center;
}

.tech-feature-img {
    width: 80%;
    max-width: 600px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
}

.tech-caption {
    font-style: italic;
    opacity: 0.9;
    font-size: 1rem;
}

.teachers-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    align-items: center;
}

.teachers-intro {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 30px;
    color: #444;
    text-align: justify;
}

.teachers-feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 25px;
    margin-bottom: 15px;
    color: #667eea;
}

.teachers-feature-desc {
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 20px;
    text-align: justify;
    color: #444;
}

.teachers-img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
    transition: transform 0.4s ease;
}

.teachers-img:hover {
    transform: scale(1.05) rotate(-2deg);
}

.enterprise-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: center;
}

.enterprise-intro {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 30px;
    color: #444;
    text-align: justify;
}

.enterprise-feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 25px;
    margin-bottom: 15px;
    color: #667eea;
}

.enterprise-feature-desc {
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 20px;
    text-align: justify;
    color: #444;
}

.enterprise-img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
    transition: transform 0.4s ease;
}

.enterprise-img:hover {
    transform: scale(1.05) rotate(2deg);
}

.sponsor-section {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #ffffff;
}

.sponsor-section .section-title {
    color: #ffffff;
    -webkit-text-fill-color: #ffffff;
}

.sponsor-section .section-title::after {
    background: #ffffff;
}

.sponsor-intro {
    font-size: 1.15rem;
    line-height: 1.9;
    margin-bottom: 30px;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.sponsor-subtitle {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    margin-top: 30px;
}

.sponsor-description {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 30px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.service-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 25px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.service-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.service-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.service-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    opacity: 0.95;
}

.sponsor-link {
    color: #ffffff;
    text-decoration: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
    font-weight: 600;
}

.sponsor-link:hover {
    border-bottom-color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.partners-section {
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
}

.partners-intro {
    text-align: center;
    font-size: 1.15rem;
    margin-bottom: 40px;
    color: #333;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.partner-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

.partner-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.25);
}

.partner-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #667eea;
}

.partner-desc {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
}

.partner-link {
    color: #667eea;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    font-weight: 600;
}

.partner-link:hover {
    color: #764ba2;
    border-bottom-color: #764ba2;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8eaf6 100%);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.2);
}

.news-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #667eea;
    line-height: 1.4;
}

.news-excerpt {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    text-align: justify;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-subtitle {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: #667eea;
}

.contact-detail {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #444;
    font-weight: 600;
}

.contact-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #555;
    margin-top: 20px;
}

.form-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: #667eea;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-input,
.form-textarea {
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #f9f9f9;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #667eea;
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

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

.form-button {
    padding: 15px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.form-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.form-button:active {
    transform: translateY(-1px);
}

.main-footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #ffffff;
    padding: 60px 30px 30px;
    margin-top: 80px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 20px;
}

.footer-description {
    font-size: 1rem;
    line-height: 1.8;
    opacity: 0.9;
}

.footer-heading {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.footer-menu li {
    margin-bottom: 12px;
}

.footer-link {
    color: #ffffff;
    text-decoration: none;
    opacity: 0.85;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.footer-link:hover {
    opacity: 1;
    padding-left: 10px;
}

.footer-text {
    font-size: 1rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 15px;
}

.design-link {
    color: #f093fb;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.design-link:hover {
    border-bottom-color: #f093fb;
    text-shadow: 0 0 8px rgba(240, 147, 251, 0.5);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.copyright-text {
    font-size: 0.95rem;
    opacity: 0.8;
}