:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #1a1d35;
    --accent: #00d4ff;
    --accent-hover: #0099ff;
    --text-primary: #ffffff;
    --text-secondary: #b0b3c1;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 29, 53, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lang-switch {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.lang-switch:hover {
    background: var(--accent);
    color: var(--bg-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0 50px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

#particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    top: -250px;
    right: -250px;
    animation: pulse 4s ease-in-out infinite;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 153, 255, 0.08) 0%, transparent 70%);
    bottom: -200px;
    left: -200px;
    animation: pulse 5s ease-in-out infinite;
    z-index: 1;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease;
}

.hero-content {
    text-align: center;
    animation: fadeInUp 1s ease;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 50px;
    animation: fadeInUp 1.2s ease;
}

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

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.logo-container {
    margin-bottom: 30px;
}

.logo {
    max-width: 150px;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: var(--text-primary);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.5);
}

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

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-primary);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 212, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
    background: rgba(0, 212, 255, 0.2);
    transform: rotateY(360deg);
}

.feature-icon {
    font-size: 2.5rem;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

/* About Section */
.about-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

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

.about-content p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 25px;
    text-align: justify;
}

.about-content p:first-child {
    font-size: 1.15rem;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 40px:
}

.about-content strong {
    color: var(--accent);
    font-weight: 600;
}
/* How To Section */
.how-to-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.step-card {
    background: var(--bg-primary);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 20px;
    color: var(--text-primary);
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

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

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.faq-item {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1);
}

.faq-question {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 30px 0;
    text-align: center;
}

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

.footer p {
    color: var(--text-secondary);
}

.footer a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .stats {
        gap: 30px;
        flex-wrap: wrap;
    }

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

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

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

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

    .footer .container {
        flex-direction: column;
        gap: 15px;
    }
}