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

:root {
    --primary: #2F4BFF;
    --primary-dark: #050D42;
    --primary-light: #5A6FFF;
    --secondary: #FF6B35;
    --dark: #1A1A2E;
    --light: #F8F9FF;
    --gray: #6C757D;
    --gray-light: #E9ECEF;
    --white: #FFFFFF;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --border-radius: 12px;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--dark);
    line-height: 1.2;
}

.highlight {
    color: var(--primary);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: rgba(47, 75, 255, 0.15);
    z-index: -1;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(47, 75, 255, 0.25);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===== ШАПКА ===== */
.header {
    background-color: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark);
    font-weight: 700;
    font-size: 1.5rem;
    gap: 12px;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-list a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

.nav-list a:hover {
    color: var(--primary);
}

.nav-list a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

/* ===== ГЕРОЙ ===== */
.hero {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, #f5f7ff 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(47, 75, 255, 0.1) 0%, transparent 70%);
    z-index: 0;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--dark);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 40px;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-text {
    font-size: 0.9rem;
    color: var(--gray);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration {
    width: 400px;
    height: 400px;
    position: relative;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-light), var(--primary));
    opacity: 0.1;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: 50px;
    left: 50px;
    animation: float 6s ease-in-out infinite;
}

.circle-2 {
    width: 200px;
    height: 200px;
    top: 150px;
    left: 150px;
    animation: float 8s ease-in-out infinite reverse;
}

.circle-3 {
    width: 150px;
    height: 150px;
    top: 200px;
    left: 100px;
    animation: float 7s ease-in-out infinite;
}

.main-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8rem;
    color: var(--primary);
    z-index: 2;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

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

/* ===== УСЛУГИ ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-light);
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(47, 75, 255, 0.15);
    border-color: var(--primary-light);
}

.service-card.featured {
    border: 2px solid var(--primary);
    transform: translateY(-5px);
}

.service-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.service-icon {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 25px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    text-align: left;
    margin-bottom: 25px;
}

.service-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark);
}

.service-features i {
    color: var(--primary);
    font-size: 0.9rem;
}

.service-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

/* ===== ПОРТФОЛИО ===== */
.portfolio {
    background-color: var(--light);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.portfolio-item {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
}

.portfolio-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(47, 75, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    padding: 12px 30px;
    border: 2px solid var(--white);
    border-radius: 50px;
    transition: var(--transition);
}

.portfolio-link:hover {
    background: var(--white);
    color: var(--primary);
}

.portfolio-content {
    padding: 30px;
}

.portfolio-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.portfolio-content p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.portfolio-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.portfolio-tags span {
    background: var(--gray-light);
    color: var(--dark);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===== ПРОЦЕСС ===== */
.process-timeline {
    max-width: 800px;
    margin: 60px auto 0;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--primary-light));
}

.process-step {
    display: flex;
    margin-bottom: 50px;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 30px;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.step-content {
    padding-top: 10px;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.step-content p {
    color: var(--gray);
    line-height: 1.6;
}

/* ===== ПРЕИМУЩЕСТВА ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.advantage-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.advantage-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

.advantage-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 25px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.advantage-card p {
    color: var(--gray);
    line-height: 1.6;
}

/* ===== КОНТАКТЫ ===== */
.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    max-width: 1000px;
    margin: 60px auto 0;
    background: var(--white);
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--dark);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 5px;
}

.contact-item p:first-of-type {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.contact-item a, .contact-item p:last-of-type {
    color: var(--dark);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 40px;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--light);
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    text-decoration: none;
}

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    margin-bottom: 20px;
    border: 1px solid var(--gray-light);
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--light);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(47, 75, 255, 0.1);
}

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

.form-note {
    font-size: 0.85rem;
    color: var(--gray);
    text-align: center;
    margin-top: 15px;
}

/* ===== ФУТЕР ===== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--white);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.footer-bottom a {
    color: var(--primary-light);
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

.footer-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
}

/* ===== КНОПКА "НАВЕРХ" ===== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(47, 75, 255, 0.3);
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 992px) {
    .section-title {
        font-size: 2.4rem;
    }
    
    .hero-title {
        font-size: 2.6rem;
    }
    
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-subtitle {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-illustration {
        width: 300px;
        height: 300px;
    }
    
    .main-icon {
        font-size: 6rem;
    }
    
    .contact-wrapper {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        transition: var(--transition);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        text-align: center;
        gap: 25px;
        margin-bottom: 40px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero {
        padding: 140px 0 70px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .process-timeline::before {
        left: 25px;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 12px 25px;
    }
    
    .services-grid,
    .portfolio-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        padding: 20px;
        gap: 40px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
}
/* Дополнение для статистики с иконками */
.stat {
    text-align: center;
    flex: 1;
    min-width: 140px;
    padding: 20px 10px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(47, 75, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.stat:hover .stat-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
    margin-bottom: 5px;
    line-height: 1;
}

.stat-text {
    font-size: 0.9rem;
    color: var(--gray);
    display: block;
    line-height: 1.4;
    max-width: 150px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .stat {
        min-width: 100px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}
/* Стили для формы */
.form-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
}

.form-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 3px;
    flex-shrink: 0;
    cursor: pointer;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--gray);
    line-height: 1.4;
    cursor: pointer;
    user-select: none;
}

.form-group a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.form-group a:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

/* Стили для кнопки отправки */
.btn-loader {
    display: none;
}

.fa-spin {
    animation: fa-spin 1s linear infinite;
    margin-right: 8px;
}

@keyframes fa-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Обязательные поля */
input:required, select:required, textarea:required {
    border-left: 3px solid var(--primary-light);
}

/* Валидация формы */
input:invalid:not(:focus):not(:placeholder-shown),
select:invalid:not(:focus),
textarea:invalid:not(:focus):not(:placeholder-shown) {
    border-color: #ff6b6b;
    background-color: rgba(255, 107, 107, 0.05);
}

input:valid:not(:placeholder-shown),
select:valid,
textarea:valid:not(:placeholder-shown) {
    border-color: #51cf66;
    background-color: rgba(81, 207, 102, 0.05);
}

/* Уведомления */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 9999;
    animation: slideIn 0.3s ease;
    max-width: 500px;
    font-size: 14px;
}

.notification.success {
    background: #4CAF50;
    color: white;
}

.notification.error {
    background: #f44336;
    color: white;
}

.notification-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    margin-left: auto;
    padding: 0;
    font-size: 16px;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* Адаптивность формы */
@media (max-width: 768px) {
    .form-group label {
        font-size: 0.8rem;
    }
    
    .notification {
        max-width: 90%;
        left: 5%;
        right: 5%;
    }
}

/* Placeholder стили */
::placeholder {
    color: #aaa;
    opacity: 1;
}

:-ms-input-placeholder {
    color: #aaa;
}

::-ms-input-placeholder {
    color: #aaa;
}

/* Фокус состояния */
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47, 75, 255, 0.1);
}