:root {
    --bg-primary: #020617;
    --bg-secondary: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-secondary: #60a5fa;
    --gradient-main: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s ease;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Layout Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 9000;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
}

.mobile-menu-btn {
    display: none;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}


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

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
}

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

/* Dropdown Menu */
.dropdown {
    position: relative;
    display: block;
}


.dropdown>a::after {
    content: ' ▼';
    font-size: 0.6em;
    margin-left: 5px;
    vertical-align: middle;
    opacity: 0.7;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--bg-secondary);
    min-width: 220px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    z-index: 9001;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    top: 100%;
    left: 0;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    backdrop-filter: blur(10px);
}

/* Invisible bridge for hover */
.dropdown-content::before {
    content: '';
    position: absolute;
    top: -1rem;
    left: 0;
    width: 100%;
    height: 1rem;
}

.dropdown-content a {
    color: var(--text-secondary);
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    transition: var(--transition);
    font-size: 0.9rem;
}

.dropdown-content a:hover {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
    padding-left: 25px;
}

.dropdown:hover .dropdown-content,
.dropdown-content:hover {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.3rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn:hover {
    color: var(--text-primary);
}

.lang-btn.active {
    background: var(--accent-primary);
    color: white;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    filter: blur(150px);
    opacity: 0.15;
    border-radius: 50%;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
    /* Ensure uniform height if in grid */
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    background: rgba(30, 41, 59, 0.9);
}

.service-icon {
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-list {
    list-style: none;
    margin-top: 1rem;
}

.service-list li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

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

.about-text h2 {
    margin-bottom: 2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    align-items: start;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.stat-label {
    display: block;
    line-height: 1.5;
}

/* Contact Section */
.contact-wrapper {
    background: var(--bg-secondary);
    border-radius: 30px;
    padding: 4rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-info {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-item svg {
    color: var(--accent-primary);
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 4rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {

    /* Mobile Navigation */
    .mobile-menu-btn {
        display: block;
        cursor: pointer;
        z-index: 9002;
    }

    .mobile-menu-btn span {
        display: block;
        width: 25px;
        height: 3px;
        background-color: var(--text-primary);
        margin: 5px 0;
        transition: var(--transition);
        border-radius: 3px;
    }

    /* Mobile Menu Animation */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .nav-links {
        display: flex;
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        background-color: var(--bg-secondary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        z-index: 9001;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
        padding: 2rem;
        backdrop-filter: blur(10px);
    }

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

    .nav-links li {
        margin: 1.5rem 0;
        opacity: 0;
    }

    .nav-links.nav-active li {
        animation: navLinkFade 0.5s ease forwards 0.3s;
    }

    .header-actions {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        right: 4rem;
        z-index: 9002;
    }

    .lang-switcher {
        padding: 0.2rem;
        gap: 0.25rem;
    }

    .lang-btn {
        padding: 0.25rem 0.6rem;
        font-size: 0.75rem;
    }

    @keyframes navLinkFade {
        from {
            opacity: 0;
            transform: translateX(50px);
        }

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

    /* Mobile Dropdown */
    .dropdown {
        display: block;
        text-align: center;
    }

    /* Disable hover behavior on mobile */
    .dropdown:hover .dropdown-content,
    .dropdown-content:hover {
        display: none;
    }

    .dropdown-content {
        position: static;
        display: none;
        background: transparent;
        box-shadow: none;
        border: none;
        padding-left: 0;
        min-width: 0;
        transform: none;
        animation: none;
        margin-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .dropdown.dropdown-active .dropdown-content {
        display: block !important;
    }

    .dropdown-content a {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        margin: 0.5rem 0;
        border-radius: 8px;
        background: rgba(59, 130, 246, 0.05);
    }

    .dropdown-content a:hover {
        background: rgba(59, 130, 246, 0.15);
        padding-left: 1.5rem;
    }

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

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

    .stat-item {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .contact-wrapper {
        padding: 2rem;
    }

    .contact-info {
        flex-direction: column;
        gap: 1.5rem;
    }

    /* Typography responsive */
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

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

    /* Grid responsive */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 3rem 0;
    }
}

/* Animations */
.fade-in {
    opacity: 1;
    /* Changed from 0 to ensure visibility if JS fails */
    transform: none;
    /* Changed from translateY(20px) */
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

#modal-body p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

#modal-body ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

#modal-body li {
    margin-bottom: 0.5rem;
}

/* Blog Section */
.blog-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.filter-btn::after {
    display: none;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.blog-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    /* Removed underline from anchor wrapper */
    color: inherit;
    /* Inherit text color */
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    background: rgba(30, 41, 59, 0.9);
}

.blog-content {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-tag {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    align-self: flex-start;
}

.blog-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.blog-card p {
    flex-grow: 1;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

/* Carousel Container */
.blog-carousel-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
}

.blog-carousel {
    overflow: hidden;
    width: 100%;
    position: relative;
}

.blog-carousel::before,
.blog-carousel::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 60px;
    z-index: 10;
    pointer-events: none;
}

.blog-carousel::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-primary), transparent);
}

.blog-carousel::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-primary), transparent);
}

.blog-carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 2rem;
    padding: 0.5rem;
}

.carousel-slide {
    min-width: 100%;
    flex: 0 0 100%;
}

.read-more-btn {
    color: var(--accent-primary);
    font-weight: 600;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
    display: inline-block;
    /* Added for span compatibility */
}

.read-more-btn:hover {
    color: var(--accent-secondary);
    transform: translateX(5px);
}

@media (min-width: 768px) {
    .carousel-slide {
        min-width: calc(50% - 1rem);
        flex: 0 0 calc(50% - 1rem);
    }
}

@media (min-width: 1024px) {
    .carousel-slide {
        min-width: calc(33.333% - 1.33rem);
        flex: 0 0 calc(33.333% - 1.33rem);
    }
}

.carousel-btn {
    background: rgba(15, 23, 42, 0.8);
    border: 2px solid rgba(59, 130, 246, 0.3);
    color: var(--accent-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: bold;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 20;
}

.carousel-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.carousel-btn:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .blog-carousel-container {
        gap: 1rem;
    }
}

/* Modal Styles (Ensure these are complete) */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(2, 6, 23, 0.9);
    backdrop-filter: blur(5px);
    overflow-y: auto;
}

.modal-content {
    background-color: var(--bg-secondary);
    margin: 5% auto;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 90%;
    max-width: 800px;
    border-radius: 20px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.close-modal {
    color: var(--text-secondary);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.close-modal:hover {
    color: var(--accent-primary);
}

#modal-body h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

#modal-body h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}