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

:root {
    --primary-color: #1e40af;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    --secondary-color: #06b6d4;
    --accent-color: #34d399;
    --bg-light: #f0f9ff;
    --bg-white: #ffffff;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1e40af 100%);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

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

.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.logo h1 {
    color: var(--primary-light);
    font-size: 1.8rem;
    font-weight: 700;
}

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

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-light);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 3px 0;
    transition: all 0.3s ease;
}

.hero {
    min-height: 100vh;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    flex: 1;
    z-index: 1;
}

.hero h2 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(6, 182, 212, 0.3));
    border-radius: 50%;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-illustration::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 20%;
    height: 20%;
    background: var(--primary-light);
    border-radius: 10px;
    animation: pulse 2s ease-in-out infinite;
}

.hero-illustration::after {
    content: '';
    position: absolute;
    bottom: 25%;
    right: 20%;
    width: 30%;
    height: 30%;
    background: var(--secondary-color);
    border-radius: 15px;
    animation: pulse 2s ease-in-out infinite 0.5s;
}

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

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

.about {
    padding: 80px 0;
    background: var(--bg-white);
}

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

.about-text h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

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

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.stat-item h4 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-illustration {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    transform: rotate(-5deg);
    box-shadow: 0 20px 60px rgba(30, 64, 175, 0.3);
}

.services {
    padding: 80px 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.service-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-light);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.products {
    padding: 80px 0;
    background: var(--bg-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.product-card {
    background: var(--bg-light);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.product-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    position: relative;
}

.product-icon::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    right: 20%;
    height: 2px;
    background: #fff;
}

.product-icon::after {
    content: '';
    position: absolute;
    top: 40%;
    left: 20%;
    right: 35%;
    height: 2px;
    background: #fff;
}

.product-icon-alt {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    position: relative;
}

.product-icon-alt::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 20%;
    right: 20%;
    height: 3px;
    background: #fff;
    transform: translateY(-50%);
}

.product-icon-alt::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    bottom: 20%;
    width: 3px;
    background: #fff;
    transform: translateX(-50%);
}

.product-icon-alt2 {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    position: relative;
}

.product-icon-alt2::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 25%;
    width: 20px;
    height: 20px;
    border: 2px solid #fff;
    border-radius: 5px;
}

.product-icon-alt2::after {
    content: '';
    position: absolute;
    bottom: 30%;
    left: 45%;
    width: 30px;
    height: 2px;
    background: #fff;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.product-info p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.product-link {
    color: var(--primary-light);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-link:hover {
    color: var(--primary-color);
}

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

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.team-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-white);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.team-image {
    margin-bottom: 1.5rem;
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    margin: 0 auto;
}

.team-avatar-alt {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    margin: 0 auto;
}

.team-avatar-alt2 {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #06b6d4, #34d399);
    margin: 0 auto;
}

.team-avatar-alt3 {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #34d399, #3b82f6);
    margin: 0 auto;
}

.team-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.team-card p:not(.team-desc) {
    font-size: 0.9rem;
    color: var(--primary-light);
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.team-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.contact-content {
    padding: 60px 0;
    background: var(--bg-white);
}

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

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.contact-item {
    background: #fff;
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-light);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    flex-shrink: 0;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-form {
    background: #fff;
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contact-form input,
.contact-form textarea {
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-form textarea {
    resize: none;
    min-height: 120px;
}

.contact-form button {
    margin-top: 0.5rem;
    cursor: pointer;
    padding: 14px 30px;
    font-size: 1rem;
}

.footer {
    background: #0f172a;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--primary-light);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.6);
}

.footer-section h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul a:hover {
    color: var(--primary-light);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin: 0.5rem 0;
}

.page-header {
    padding: 100px 0 40px;
    background: var(--bg-light);
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

.download-content {
    padding: 60px 0;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.download-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.download-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    margin-bottom: 1.5rem;
}

.download-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.download-card .version {
    font-size: 0.9rem;
    color: var(--primary-light);
    margin-bottom: 1rem;
}

.download-card .description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.download-info {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.info-item {
    font-size: 0.85rem;
    color: var(--text-light);
}

.download-btn {
    display: block;
    text-align: center;
}

.download-buttons {
    display: flex;
    gap: 1rem;
}

.download-notice {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
}

.download-notice h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.download-notice ul {
    list-style: none;
    padding-left: 1.5rem;
}

.download-notice li {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    position: relative;
}

.download-notice li::before {
    content: '•';
    position: absolute;
    left: -1rem;
    color: var(--primary-light);
}

.about-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 50%, #0ea5e9 100%);
    padding: 5rem 0;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.about-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 40%;
    height: 80%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.about-hero-content {
    text-align: center;
    color: #fff;
}

.about-hero-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.about-hero-text p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

.about-hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

.hero-stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.85;
}

.about-intro-section {
    padding: 5rem 0;
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-intro-left h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.about-intro-left h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.about-intro-left p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.2rem;
}

.about-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.2rem;
    background: rgba(59, 130, 246, 0.08);
    border-radius: 20px;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.feature-icon {
    color: var(--primary-light);
    font-weight: 700;
}

.about-image-box {
    position: relative;
}

.about-image {
    width: 100%;
    border-radius: 20px;
}

.about-badge {
    position: absolute;
    bottom: -15px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.about-values {
    padding: 4rem 0;
    background: var(--bg-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.value-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-light);
}

.value-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    margin: 0 auto 1.5rem;
    font-size: 1.3rem;
}

.value-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

.about-history-section {
    padding: 4rem 0;
}

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

.timeline {
    position: relative;
    padding: 1rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-light), var(--secondary-color));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 1.5rem;
    box-sizing: border-box;
}

.timeline-item.left {
    padding-right: 3rem;
    text-align: right;
}

.timeline-item.right {
    margin-left: 50%;
    padding-left: 3rem;
}

.timeline-dot {
    position: absolute;
    top: 50%;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    border: 4px solid var(--primary-light);
    transform: translateY(-50%);
    box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.15);
}

.timeline-item.left .timeline-dot {
    right: -11px;
}

.timeline-item.right .timeline-dot {
    left: -11px;
}

.timeline-content {
    background: #fff;
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.timeline-content p {
    color: var(--text-light);
}

.cases-content {
    padding: 60px 0;
}

.cases-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    border-radius: 25px;
    font-size: 1rem;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-light);
    border-color: var(--primary-light);
    color: #fff;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.case-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.case-image {
    height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--gradient-primary);
}

.case-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    position: relative;
}

.case-icon::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 25%;
    right: 25%;
    height: 3px;
    background: #fff;
}

.case-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 25%;
    right: 35%;
    height: 3px;
    background: #fff;
}

.case-icon-alt {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    position: relative;
}

.case-icon-alt::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 20%;
    right: 20%;
    height: 3px;
    background: #fff;
    transform: translateY(-50%);
}

.case-icon-alt::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    bottom: 20%;
    width: 3px;
    background: #fff;
    transform: translateX(-50%);
}

.case-icon-alt2 {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    position: relative;
}

.case-icon-alt2::before {
    content: '';
    position: absolute;
    top: 35%;
    left: 30%;
    width: 25px;
    height: 25px;
    border: 3px solid #fff;
    border-radius: 8px;
}

.case-info {
    padding: 1.5rem;
}

.case-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.case-info p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.case-tags {
    display: flex;
    gap: 0.5rem;
}

.tag {
    padding: 4px 12px;
    background: var(--bg-light);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--primary-light);
}

.news-content {
    padding: 60px 0;
    background: var(--bg-white);
}

.news-content .container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
}

.news-sidebar {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 16px;
    height: fit-content;
    position: sticky;
    top: 120px;
}

.news-sidebar h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--primary-light);
}

.category-list {
    list-style: none;
    margin-bottom: 2rem;
}

.category-list li {
    margin-bottom: 0.3rem;
}

.category-list a {
    color: var(--text-dark);
    text-decoration: none;
    padding: 10px 14px;
    display: block;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.category-list a:hover,
.category-list a.active {
    background: var(--primary-light);
    color: #fff;
}

.sidebar-info {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.sidebar-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.sidebar-info p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.news-main {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.news-item {
    padding: 2rem;
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.news-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-light);
}

.news-date {
    font-size: 0.9rem;
    color: var(--primary-light);
    font-weight: 500;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 4px 12px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 20px;
}

.news-item h3 {
    margin-bottom: 1rem;
}

.news-item h3 a {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
    line-height: 1.4;
}

.news-item h3 a:hover {
    color: var(--primary-light);
}

.news-item p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

.news-read {
    color: var(--primary-light);
    font-size: 0.95rem;
    text-decoration: none;
    font-weight: 600;
    padding: 8px 20px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 8px;
    display: inline-block;
    transition: all 0.3s ease;
}

.news-read:hover {
    background: var(--primary-light);
    color: #fff;
}

.news-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.pagination-btn {
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 8px;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.pagination-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    color: #fff;
}

.pagination-current {
    padding: 10px 20px;
    background: var(--primary-light);
    color: #fff;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
}

.pagination-page {
    padding: 10px 20px;
    color: var(--text-dark);
    cursor: pointer;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.pagination-page:hover {
    background: var(--bg-light);
    color: var(--primary-light);
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-mission {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        padding: 1rem 20px;
        gap: 1rem;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-illustration {
        width: 280px;
        height: 280px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-illustration {
        margin-top: 2rem;
        width: 280px;
        height: 280px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-mission {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .news-content {
        grid-template-columns: 1fr;
    }
}