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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header Section */
.hero {
    background: #667eea;
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 600"><rect fill="%23ffffff20" x="100" y="100" width="600" height="400" rx="20"/><circle fill="%23ffffff30" cx="400" cy="300" r="80"/></svg>') no-repeat center;
    background-size: contain;
    opacity: 0.1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInLeft 1s ease-out;
}

.hero-text p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInLeft 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: #ff6b6b;
    color: white;
}

.btn-primary:hover {
    background: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
    text-align: center;
    animation: fadeInRight 1s ease-out 0.6s both;
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    transition: transform 0.3s ease;
}

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

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-card {
    text-align: center;
    padding: 30px;
    border-radius: 15px;
    background: #f8f9fa;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Tariffs Section */
.tariffs {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
    opacity: 0;
    transform: translateY(30px);
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.tariffs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.tariff-card {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
}

.tariff-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.tariff-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.2);
}

.tariff-card.featured {
    border: 2px solid #667eea;
    transform: scale(1.05);
}

.tariff-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
}

.tariff-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
}

.tariff-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 10px;
}

.tariff-price span {
    font-size: 1rem;
    color: #666;
    font-weight: 400;
}

.tariff-features {
    list-style: none;
    margin: 30px 0;
    text-align: left;
}

.tariff-features li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.tariff-features li:hover {
    padding-left: 10px;
    color: #667eea;
}

.tariff-features li::before {
    content: '✓';
    color: #4caf50;
    font-weight: bold;
    margin-right: 10px;
}

/* Partners Section */
.partners {
    padding: 60px 0;
    background: white;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    align-items: center;
}

.partner-logo {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    color: #666;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.partner-logo.visible {
    opacity: 1;
    transform: translateY(0);
}

.partner-logo:hover {
    background: #667eea;
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.cta-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    animation: fadeInLeft 1s ease-out;
}

.cta-form h3 {
    color: #333;
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.cta-features {
    list-style: none;
}

.cta-features li {
    padding: 15px 0;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    opacity: 0;
    transform: translateX(30px);
}

.cta-features li.visible {
    opacity: 1;
    transform: translateX(0);
}

.cta-features li::before {
    content: '✓';
    color: #4caf50;
    font-weight: bold;
    margin-right: 15px;
    font-size: 1.3rem;
}

.cta-image {
    text-align: center;
    animation: fadeInRight 1s ease-out;
}

.cta-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

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

/* Animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success message */
.success-message {
    background: #4caf50;
    color: white;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s ease;
}

.success-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content,
    .cta-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .tariff-card.featured {
        transform: none;
    }

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

    /* Hide images on mobile */
    .hero-image {
        display: none;
    }

    .cta-image {
        display: none;
    }

    /* Optimize animations for mobile */
    .hero-text h1,
    .hero-text p,
    .hero-buttons {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .cta-form {
        animation: none;
    }

    /* Reduce animation complexity on mobile */
    .feature-card,
    .tariff-card,
    .partner-logo,
    .section-title,
    .cta-features li {
        transition: transform 0.2s ease, opacity 0.2s ease;
    }
}