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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2d3748;
    overflow-x: hidden;
}

[data-lang="en"] body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* LANGUAGE SWITCHER */
.lang-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 10px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    padding: 10px 15px;
    border-radius: 50px;
    border: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.lang-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.lang-btn:hover,
.lang-btn.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    transform: scale(1.1);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #eee, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: float 20s linear infinite;
    opacity: 0.3;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    100% { transform: translateY(-20px) rotate(360deg); }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-title .gradient {
    background: linear-gradient(45deg, #00d4ff, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: rgba(255,255,255,0.95);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-3d {
    width: min(90vw, 550px);
    height: 450px;
    margin: 2.5rem auto;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0,0,0,0.4);
    backdrop-filter: blur(20px);
}

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

.btn-primary, .btn-secondary {
    padding: 18px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: white;
    color: #667eea;
}

.btn-primary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 25px 50px rgba(102,126,234,0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.3);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
    border-color: white;
    transform: translateY(-4px);
}

.hero-author {
    margin-top: 2rem;
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
}

.services, .packages, .testimonials, .contact {
    padding: 120px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 5rem;
    color: #1a202c;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.services {
    background: #f8fafc;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 15px 50px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
    border-top: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 40px 100px rgba(0,0,0,0.15);
    border-top-color: #667eea;
}

.service-icon {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #1a202c;
}

.service-card p {
    color: #64748b;
    font-size: 1.1rem;
}

.packages {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.5rem;
}

.package-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 28px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    transition: all 0.5s cubic-bezier(0.16,1,0.3,1);
    position: relative;
    border: 2px solid transparent;
    overflow: hidden;
}

.package-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #00d4ff);
}

.package-card:hover {
    transform: translateY(-20px);
    box-shadow: 0 50px 120px rgba(0,0,0,0.2);
    border-color: #667eea;
}

.package-card.featured {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    transform: scale(1.03);
    border-color: #ffd700;
}

.package-card.featured::before {
    height: 6px;
    background: linear-gradient(90deg, #ffd700, #ffed4e);
}

.package-card.featured:hover {
    transform: scale(1.06) translateY(-20px);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #ff6b6b;
    color: white;
    padding: 10px 28px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 5px 15px rgba(255,107,107,0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: translateX(-50%) scale(1); }
    50% { transform: translateX(-50%) scale(1.05); }
}

.package-icon {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
}

.package-card.featured .package-icon {
    filter: drop-shadow(0 0 25px rgba(255,255,255,0.6));
}

.package-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 1.5rem 0 2rem;
}

.package-card.featured .price {
    color: #ffd700;
    text-shadow: 0 0 20px rgba(255,215,0,0.5);
}

.package-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 2.5rem;
}

.package-card li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: relative;
    padding-left: 2rem;
}

.package-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
    font-size: 1.2rem;
}

.package-card.featured li::before {
    color: #ffd700;
}

.btn-buy {
    display: inline-block;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.15rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.btn-buy::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.btn-buy:hover::before {
    left: 100%;
}

.btn-buy:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 25px 50px rgba(102,126,234,0.5);
}

.testimonials {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.testimonial {
    background: rgba(255,255,255,0.12);
    padding: 2.5rem;
    border-radius: 24px;
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.4s ease;
}

.testimonial:hover {
    transform: translateY(-12px);
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.4);
    box-shadow: 0 30px 80px rgba(0,0,0,0.3);
}

.testimonial p {
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    font-style: italic;
    line-height: 1.6;
}

.testimonial h4 {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 600;
}

.contact {
    background: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.contact-link {
    color: #667eea;
    text-decoration: none;
    font-size: 1.2rem;
    padding: 1.25rem 1.5rem;
    border-radius: 16px;
    transition: all 0.4s ease;
    border: 2px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-link:hover {
    background: #667eea;
    color: white;
    transform: translateX(12px);
    border-color: #667eea;
    box-shadow: 0 15px 40px rgba(102,126,234,0.3);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1.5rem 1.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    font-size: 1.1rem;
    font-family: inherit;
    transition: all 0.4s ease;
    background: white;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102,126,234,0.1);
}

.contact-form textarea {
    min-height: 180px;
    resize: vertical;
}

.contact-form button {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 1.5rem 2rem;
    border-radius: 16px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
}

.contact-form button:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px rgba(102,126,234,0.4);
}

footer {
    background: #1a202c;
    color: rgba(255,255,255,0.85);
    text-align: center;
    padding: 2.5rem;
    font-size: 1rem;
}

@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .packages-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .lang-switcher {
        top: 15px;
        right: 15px;
        padding: 8px 12px;
    }
    
    .lang-btn {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
}