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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #1a1a1a;
    background: #ffffff;
    line-height: 1.6;
}

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

/* ===== НАВИГАЦИЯ ===== */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 24px;
    font-weight: 700;
}

.logo-img {
    height: 56px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-text {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:not(.nav-login):hover {
    color: #6366f1;
}

.nav-links a.nav-login {
    padding: 8px 16px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white !important;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-links a.nav-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

/* ===== ГЕРОЙ СЕКЦИЯ ===== */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7ff 0%, #faf5ff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -50px;
    left: -50px;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    margin-bottom: 60px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.gradient-text {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: 32px;
    max-width: 600px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: white;
    color: #6366f1;
    border: 2px solid #6366f1;
}

.btn-secondary:hover {
    background: #f5f7ff;
}

.btn-large {
    padding: 16px 48px;
    font-size: 18px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
    padding-top: 60px;
    border-top: 2px solid rgba(0, 0, 0, 0.1);
}

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

.stat-number {
    font-size: 40px;
    font-weight: 700;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 16px;
    color: #999;
    margin-top: 8px;
}

/* ===== ОБЩИЕ СТИЛИ СЕКЦИЙ ===== */
.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.section-subtitle {
    text-align: center;
    color: #666;
    font-size: 18px;
    margin-bottom: 60px;
}

/* ===== FEATURES ===== */
.features {
    padding: 100px 0;
    background: white;
}

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

.feature-card {
    padding: 40px;
    border-radius: 12px;
    background: #f9f9f9;
    border: 1px solid #eeeeee;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: #6366f1;
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.1);
}

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

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7ff 0%, #faf5ff 100%);
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    position: relative;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    border-radius: 50%;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.step p {
    color: #666;
}

.arrow {
    display: none;
    font-size: 32px;
    color: #ddd;
    margin: 0 10px;
}

@media (min-width: 768px) {
    .arrow {
        display: block;
    }
}

/* ===== PROJECT TYPES ===== */
.project-types {
    padding: 100px 0;
    background: white;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.type-card {
    padding: 30px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.type-card:hover {
    border-color: #6366f1;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
}

.type-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.type-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.type-card p {
    color: #666;
}

/* ===== PRICING ===== */
.pricing {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7ff 0%, #faf5ff 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.pricing-card {
    padding: 40px;
    border-radius: 12px;
    background: white;
    border: 2px solid #eeeeee;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    border-color: #6366f1;
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15);
}

.pricing-card.featured {
    border-color: #6366f1;
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15);
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.price {
    font-size: 32px;
    font-weight: 700;
    color: #6366f1;
    margin-bottom: 8px;
}

.currency {
    font-size: 16px;
    color: #999;
    font-weight: 500;
}

.description {
    color: #666;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eeeeee;
}

.features-list {
    list-style: none;
    margin-bottom: 30px;
}

.features-list li {
    color: #666;
    padding: 12px 0;
    border-bottom: 1px solid #f5f5f5;
}

.features-list li:last-child {
    border-bottom: none;
}

/* ===== CONTACT FORM ===== */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid #eeeeee;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    color: #666;
}

.checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #6366f1;
}

.form-group button {
    margin-top: 10px;
}

.form-message {
    text-align: center;
    padding: 14px;
    border-radius: 8px;
    display: none;
    margin-top: 10px;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    display: block;
}

/* ===== FOOTER ===== */
.footer {
    background: #1a1a1a;
    color: #ccc;
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    color: white;
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-section p {
    line-height: 1.8;
    margin-bottom: 8px;
}

.footer-section a {
    color: #6366f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #8b5cf6;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999;
}

.legal-info {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 13px;
    color: #777;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .navbar {
        padding: 12px 0;
    }

    .nav-links {
        gap: 20px;
        font-size: 14px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 32px;
    }

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

    .pricing-card.featured {
        transform: scale(1);
    }

    .steps {
        flex-direction: column;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 24px;
    }

    .nav-links {
        gap: 12px;
        font-size: 12px;
    }

    .feature-card {
        padding: 24px;
    }

    .pricing-card {
        padding: 24px;
    }
}

/* ===== SUCCESS MODAL ===== */
.success-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: white;
    border-radius: 16px;
    padding: 50px 40px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    animation: slideUp 0.4s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

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

.modal-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 40px;
    color: white;
    animation: scaleIn 0.4s ease 0.2s both;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.modal-content h2 {
    font-size: 28px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.modal-content p {
    color: #666;
    margin-bottom: 12px;
    line-height: 1.6;
    font-size: 16px;
}

.modal-content p strong {
    color: #6366f1;
    font-weight: 600;
}

.modal-close-btn {
    margin-top: 28px;
    padding: 12px 40px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-close-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

@media (max-width: 480px) {
    .modal-content {
        padding: 30px 20px;
    }

    .modal-icon {
        width: 60px;
        height: 60px;
        font-size: 32px;
    }

    .modal-content h2 {
        font-size: 22px;
    }

    .modal-content p {
        font-size: 14px;
    }
}