/* ===== ОБЩИЕ СТИЛИ ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #0ea5e9;
    --dark-color: #0f172a;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --gradient: linear-gradient(135deg, #6366f1 0%, #0ea5e9 100%);
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--dark-color);
    color: var(--light-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== НАВИГАЦИЯ ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light-color);
    text-decoration: none;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--light-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.burger span {
    width: 25px;
    height: 3px;
    background: var(--light-color);
    border-radius: 3px;
    transition: 0.3s;
}

/* ===== HERO СЕКЦИЯ ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 4rem;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-color);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-animation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.code-block {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 12px;
    padding: 2rem;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.2);
}

.code-line {
    margin: 0.5rem 0;
    opacity: 0;
    animation: fadeInCode 0.5s ease forwards;
}

.code-line:nth-child(1) { animation-delay: 0.2s; }
.code-line:nth-child(2) { animation-delay: 0.4s; }
.code-line:nth-child(3) { animation-delay: 0.6s; }
.code-line:nth-child(4) { animation-delay: 0.8s; }

@keyframes fadeInCode {
    to { opacity: 1; }
}

.keyword { color: #c084fc; }
.variable { color: #60a5fa; }
.function { color: #34d399; }
.property { color: #fbbf24; }
.string { color: #fb923c; }

/* ===== КНОПКИ ===== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

/* ===== СЕКЦИИ ===== */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== ПРЕИМУЩЕСТВА ===== */
.advantages {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.5);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--light-color);
}

.advantage-card p {
    color: var(--gray-color);
    font-size: 0.95rem;
}

/* ===== СТАТИСТИКА ===== */
.stats {
    background: var(--gradient);
    padding: 4rem 2rem;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ===== ТЕХНОЛОГИИ ===== */
.technologies {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.tech-item {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tech-item:hover {
    background: var(--gradient);
    border-color: transparent;
    transform: scale(1.05);
}

/* ===== СТРАНИЦА УСЛУГ ===== */
.page-header {
    text-align: center;
    padding: 10rem 2rem 4rem;
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, transparent 100%);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: var(--gray-color);
    font-size: 1.25rem;
}

.services {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--gray-color);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--gray-color);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
}

.service-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-tech span {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* ===== ПРОЦЕСС РАБОТЫ ===== */
.process {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.process-step {
    text-align: center;
    padding: 2rem 1rem;
    position: relative;
}

.step-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.process-step h3 {
    margin-bottom: 0.5rem;
}

.process-step p {
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* ===== CTA ===== */
.cta {
    text-align: center;
    padding: 6rem 2rem;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.1) 100%);
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    color: var(--gray-color);
    margin-bottom: 2rem;
}

/* ===== КОНТАКТНАЯ СТРАНИЦА ===== */
.contact-section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h2,
.contact-form-wrapper h2 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-details h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.contact-details p {
    color: var(--gray-color);
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--gradient);
    color: white;
    transform: translateY(-3px);
}

/* ===== ФОРМА ===== */
.contact-form {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--light-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--light-color);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-color);
}

.form-group select {
    cursor: pointer;
}

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
    cursor: pointer;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--gray-color);
}

.checkbox-group a {
    color: var(--primary-color);
}

.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: block;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--error-color);
}

.btn-submit {
    width: 100%;
    padding: 1.25rem;
    font-size: 1.1rem;
}

.success-message {
    text-align: center;
    padding: 3rem;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 16px;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
}

.success-message h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.success-message p {
    color: var(--gray-color);
}

/* ===== КАРТА ===== */
.map-section {
    padding: 0 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.map-container {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.map-placeholder {
    height: 300px;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.map-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(90deg, transparent 49%, rgba(99, 102, 241, 0.1) 50%, transparent 51%),
        linear-gradient(0deg, transparent 49%, rgba(99, 102, 241, 0.1) 50%, transparent 51%);
    background-size: 50px 50px;
}

.map-overlay {
    text-align: center;
    z-index: 1;
    background: rgba(15, 23, 42, 0.9);
    padding: 2rem 3rem;
    border-radius: 12px;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.map-overlay h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.map-overlay p {
    color: var(--gray-color);
    font-size: 0.95rem;
}

/* ===== ФУТЕР ===== */
.footer {
    background: rgba(15, 23, 42, 0.95);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

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

.footer-links {
    display: flex;
    gap: 2rem;
}

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

.footer-links a:hover {
    color: var(--light-color);
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 10rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        margin: 0 auto 2rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-color);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .burger {
        display: flex;
    }

    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .burger.active span:nth-child(2) {
        opacity: 0;
    }

    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

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

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

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}