/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #0A2463;
    --secondary-blue: #1E3A8A;
    --light-blue: #3B82F6;
    --accent-blue: #60A5FA;
    --dark-bg: #0F172A;
    --text-dark: #1E293B;
    --text-light: #64748B;
    --white: #FFFFFF;
    --gray-light: #F1F5F9;
    --gray-medium: #E2E8F0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 36, 99, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.3rem 0;
}

.logo h1 {
    color: var(--white);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo-image {
    height: 180px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
    filter: brightness(0) invert(1);
}

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

.logo-subtitle {
    color: var(--accent-blue);
    font-size: 0.9rem;
    margin-left: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.2rem;
    transition: color 0.3s ease;
    position: relative;
}

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

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

.nav-links a:hover {
    color: var(--accent-blue);
}

.lang-toggle {
    background: var(--light-blue);
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s ease;
}

.lang-toggle:hover {
    background: var(--accent-blue);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero-conference-image {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 60%;
    object-fit: cover;
    opacity: 0.35;
    mask-image: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 50%);
    z-index: 3;
}

.hero-logo-decoration {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    width: 300px;
    height: auto;
    opacity: 0.16;
    z-index: 4;
    pointer-events: none;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: contrast(1.1) brightness(1.05);
}

.hero-content {
    position: relative;
    z-index: 5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: var(--accent-blue);
    font-weight: 400;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--light-blue);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    background: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 3rem;
    font-weight: 700;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--light-blue);
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.about-logo-decoration {
    position: absolute;
    top: 50%;
    right: -50px;
    transform: translateY(-50%);
    width: 200px;
    height: auto;
    opacity: 0.16;
    z-index: 1;
    pointer-events: none;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: contrast(1.1) brightness(1.05);
}

/* Globe Animation */
.globe-animation {
    position: absolute;
    left: -10%;
    top: 50%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    z-index: 1;
    opacity: 0.3;
    pointer-events: none;
    user-select: none;
    animation: rotateGlobe 60s linear infinite;
    filter: grayscale(0%) contrast(1.2);
}

@keyframes rotateGlobe {
    from {
        transform: translateY(-50%) rotate(0deg);
    }
    to {
        transform: translateY(-50%) rotate(360deg);
    }
}

.about-text {
    position: relative;
    z-index: 1;
}

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

/* Advantages Section */
.advantages {
    background: var(--gray-light);
}

.advantages-grid {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.advantage-card {
    display: flex;
    align-items: center;
    gap: 3rem;
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    transition: all 0.3s ease;
    text-align: left;
}

.advantage-card:nth-child(even) {
    flex-direction: row-reverse;
    text-align: right;
}

.advantage-card:nth-child(1) {
    transform: translateX(-20px);
}

.advantage-card:nth-child(2) {
    transform: translateX(20px);
}

.advantage-card:nth-child(3) {
    transform: translateX(-20px);
}

.advantage-card:nth-child(4) {
    transform: translateX(20px);
}

.advantage-card:nth-child(5) {
    transform: translateX(-20px);
}

.advantage-card:nth-child(6) {
    transform: translateX(20px);
}

.advantage-card:hover {
    transform: translateX(0) scale(1.02);
}

.advantage-card:nth-child(1):hover {
    transform: translateX(-10px) scale(1.02);
}

.advantage-card:nth-child(2):hover {
    transform: translateX(30px) scale(1.02);
}

.advantage-card:nth-child(3):hover {
    transform: translateX(-10px) scale(1.02);
}

.advantage-card:nth-child(4):hover {
    transform: translateX(30px) scale(1.02);
}

.advantage-card:nth-child(5):hover {
    transform: translateX(-10px) scale(1.02);
}

.advantage-card:nth-child(6):hover {
    transform: translateX(30px) scale(1.02);
}

.advantage-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--light-blue), var(--accent-blue));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0;
    flex-shrink: 0;
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
    position: relative;
    overflow: hidden;
}

.advantage-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.advantage-card:hover .advantage-icon {
    transform: rotate(5deg) scale(1.1);
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
}

.advantage-card:hover .advantage-icon::before {
    left: 100%;
}

.advantage-content {
    flex: 1;
}

.advantage-card h3 {
    color: var(--primary-blue);
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.advantage-card p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Products Section */
.products {
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--white);
    border: 2px solid var(--gray-medium);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.product-card:hover {
    border-color: var(--light-blue);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
    transform: translateY(-5px);
}

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

.product-placeholder {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.product-card h3 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
    min-height: 60px;
}

.product-card ul {
    list-style: none;
    margin-bottom: 1rem;
}

.product-card ul li {
    color: var(--text-light);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.product-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--light-blue);
    font-weight: bold;
}

.product-note {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-medium);
}

/* Services Section */
.services {
    background: var(--gray-light);
}

.services-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.services-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--light-blue);
}

.service-step {
    position: relative;
    padding-left: 80px;
    margin-bottom: 3rem;
}

.step-number {
    position: absolute;
    left: 0;
    width: 60px;
    height: 60px;
    background: var(--light-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.service-step h3 {
    color: var(--primary-blue);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

/* Contact Section */
.contact {
    background: var(--white);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
}

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

.contact-method {
    background: var(--gray-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-method:hover {
    background: var(--primary-blue);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(10, 36, 99, 0.2);
}

.contact-method:hover .contact-icon {
    transform: scale(1.1);
}

.contact-method:hover h3,
.contact-method:hover p,
.contact-method:hover a {
    color: var(--white);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.contact-method h3 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-method a {
    color: var(--light-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-method a:hover {
    text-decoration: underline;
}

.contact-method p {
    color: var(--text-light);
    transition: color 0.3s ease;
}

/* Footer */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

/* Floating Contact Button */
.floating-contact-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: var(--white);
    padding: 1rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(10, 36, 99, 0.35);
    z-index: 1000;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.floating-contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.5);
    background: linear-gradient(135deg, var(--light-blue), var(--accent-blue));
}

.floating-contact-btn:active {
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .floating-contact-btn {
        bottom: 20px;
        right: 20px;
        padding: 0.8rem 1.4rem;
        font-size: 0.9rem;
    }
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    height: 180px;
    width: auto;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

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

@keyframes pageEnter {
    from { opacity: 0; }
    to { opacity: 1; }
}

body {
    animation: pageEnter 0.8s ease forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--primary-blue);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        transition: left 0.3s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .advantages-grid {
        gap: 2.5rem;
    }

    .advantage-card {
        flex-direction: column !important;
        text-align: center !important;
        gap: 1.5rem;
    }

    .advantage-card:nth-child(1),
    .advantage-card:nth-child(2),
    .advantage-card:nth-child(3),
    .advantage-card:nth-child(4),
    .advantage-card:nth-child(5),
    .advantage-card:nth-child(6) {
        transform: translateX(0);
    }

    .advantage-card:hover,
    .advantage-card:nth-child(1):hover,
    .advantage-card:nth-child(2):hover,
    .advantage-card:nth-child(3):hover,
    .advantage-card:nth-child(4):hover,
    .advantage-card:nth-child(5):hover,
    .advantage-card:nth-child(6):hover {
        transform: translateX(0) scale(1.02);
    }

    .advantage-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }

    .logo-image {
        height: 40px;
    }

    .hero-logo-decoration {
        width: 200px;
        opacity: 0.05;
    }

    .about-logo-decoration {
        width: 150px;
        right: -30px;
    }

    .globe-animation {
        width: 350px;
        height: 350px;
        left: -15%;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .products-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .services-timeline::before {
        left: 20px;
    }

    .service-step {
        padding-left: 60px;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 35px;
    }

    .hero-logo-decoration {
        display: none;
    }

    .about-logo-decoration {
        display: none;
    }

    .globe-animation {
        display: none;
    }

    .footer-logo {
        height: 50px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .product-card h3 {
        font-size: 1.1rem;
        min-height: auto;
    }
}