:root {
    /* Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-bg: #0a0e27;
    --darker-bg: #050816;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b8b9c9;
    --text-muted: #7a7b8c;

    /* Spacing */
    --section-padding: 120px;
    --container-padding: 20px;

    /* Typography */
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    --font-display: 'Outfit', sans-serif;

    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glow: 0 0 20px rgba(102, 126, 234, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Language Toggle */
.language-toggle {
    display: flex;
    gap: 4px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    padding: 3px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-btn {
    padding: 6px 15px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: var(--primary-gradient);
    color: var(--text-primary);
}

.lang-btn:hover:not(.active) {
    color: var(--text-primary);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    padding: 20px 0;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
}

.logo-text {
    color: var(--text-primary);
}

.logo-accent {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

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

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

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

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

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 60px 0;
}

.hero-badge {
    display: inline-block;
    padding: 10px 24px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    padding: 16px 40px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow), var(--shadow-lg);
}

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

.btn-secondary:hover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.hero-stats {
    display: flex;
    gap: 60px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 5px;
}

/* Section Styles */
section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
}

/* About Section */
.about {
    background: linear-gradient(180deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.about-content {
    display: grid;
    gap: 60px;
}

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

.about-text p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.expertise-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.expertise-card:hover {
    transform: translateY(-5px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: var(--shadow-lg);
}

.expertise-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.expertise-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    margin-bottom: 15px;
}

.expertise-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* Portfolio Section */
.portfolio {
    background: var(--darker-bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.portfolio-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
}

.portfolio-tag {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.portfolio-content {
    padding: 30px;
}

.portfolio-title {
    font-family: var(--font-display);
    font-size: 24px;
    margin-bottom: 15px;
}

.portfolio-description {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: #667eea;
}

/* Partnership Section */
.partnership {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
}

.partnership-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.partnership-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.partnership-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.partnership-text h2 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    margin-bottom: 25px;
}

.partnership-text p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
}

.partnership-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.highlight-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.highlight-icon {
    width: 24px;
    height: 24px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
}

.highlight-item strong {
    display: block;
    margin-bottom: 5px;
    font-size: 16px;
}

.highlight-item p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

/* Services Section */
.services {
    background: var(--darker-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 22px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* Contact Section */
.contact {
    background: linear-gradient(180deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    margin-bottom: 25px;
}

.contact-info p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 24px;
}

.contact-item strong {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: var(--text-muted);
}

.contact-item a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #667eea;
}

.contact-form-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(10px);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn-primary {
    width: 100%;
    margin-top: 10px;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--card-border);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 15px;
    font-size: 15px;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icon {
    font-size: 20px;
    text-decoration: none;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 16px;
    margin-bottom: 20px;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--card-border);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 968px) {
    :root {
        --section-padding: 80px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: var(--dark-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 40px;
        gap: 25px;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex;
        z-index: 998;
        visibility: hidden;
        opacity: 0;
    }

    .nav-menu.active {
        left: 0;
        visibility: visible;
        opacity: 1;
    }

    .nav-link {
        font-size: 24px;
        font-weight: 600;
    }

    .mobile-menu-toggle {
        display: flex;
        position: relative;
        z-index: 1000;
        width: 30px;
        height: 20px;
        justify-content: space-between;
    }

    .mobile-menu-toggle span {
        width: 100%;
        height: 2px;
        background: var(--text-primary);
        transition: all 0.3s ease;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .partnership-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    :root {
        --section-padding: 60px;
    }

    .hero-stats {
        gap: 15px;
        flex-wrap: nowrap;
    }

    .stat-number {
        font-size: 32px;
    }

    .stat-label {
        font-size: 11px;
    }

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

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        justify-items: center;
    }

    .footer-column {
        width: 100%;
    }

    .contact-form-wrapper {
        padding: 30px 20px;
    }

    /* Centering Improvements */
    .hero-content {
        text-align: center;
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .partnership-text,
    .contact-info,
    .footer-brand {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-social {
        justify-content: center;
        margin-bottom: 10px;
    }

    .partnership-highlights,
    .contact-details {
        align-items: center;
        text-align: center;
    }

    .highlight-item,
    .contact-item {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .contact-item strong {
        margin-bottom: 2px;
    }

    .footer-content {
        text-align: center;
        gap: 40px;
    }
}