:root {
    --primary: #045B62;
    --primary-dark: #0D484E;
    --primary-darker: #02393E;
    --primary-light: #0a7c86;
    --dark: #f8fafc;
    --darker: #f1f5f9;
    --light: #0D484E;
    --lighter: #045B62;
    --gray: #cbd5e1;
    --gray-light: #334155;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

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

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

/* Header */
header {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    padding: 5px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    transition: var(--transition);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-dot {
    width: 10px;
    height: 10px;
    background: var(--gradient);
    border-radius: 50%;
    display: inline-block;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

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

.nav-links a:hover {
    color: #a5f3fc;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--dark);
    z-index: 1001;
}

/* Hero section */
.hero {
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: var(--primary-darker);
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.2;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    color: white;
}

.hero p {
    font-size: 1.25rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto 40px;
}

.btn {
    display: inline-block;
    background: var(--gradient);
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-light);
    color: var(--primary-light);
    margin-left: 15px;
}

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

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

/* Works section */
.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    color: white;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

.section-title p {
    color: var(--gray);
    max-width: 600px;
    margin: 20px auto 0;
    font-size: 1.1rem;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.work-card {
    background-color: var(--primary-dark);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--primary);
}

.work-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.work-card-img {
    width: 100%;
    height: 200px;
    position: relative;
    overflow: hidden;
}

.work-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.work-card:hover img {
    transform: scale(1.05);
}

.work-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 91, 98, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.work-card:hover .work-card-overlay {
    opacity: 1;
}

.work-card-overlay a {
    color: white;
    font-size: 1.5rem;
    margin: 0 10px;
    transition: var(--transition);
}

.work-card-overlay a:hover {
    transform: scale(1.2);
}

.work-card-content {
    padding: 20px;
}

.work-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    font-weight: 700;
    color: white;
}

.work-card p {
    color: var(--gray);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.work-card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.work-card .tag {
    background-color: var(--primary);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.work-card .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Pricing section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background-color: var(--primary-dark);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--primary);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
    border: 2px solid var(--primary-light);
    transform: scale(1.05);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: 37px;
    right: -40px;
    background-color: rgb(136, 10, 10);
    color: white;
    padding: 5px 50px;
    font-size: 0.8rem;
    font-weight: 600;
    transform: rotate(45deg);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 700;
    color: white;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray);
    white-space: nowrap;
}

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

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
    color: var(--gray);
}

.pricing-features li::before {
    content: '✓';
    color: var(--primary-light);
    font-weight: bold;
    margin-right: 10px;
}

/* Contact section */
.contact {
    background-color: var(--primary-dark);
    border-radius: var(--radius);
    padding: 50px;
    box-shadow: var(--shadow);
    position: relative;
    border: 1px solid var(--primary);
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: var(--gradient);
    border-radius: var(--radius) var(--radius) 0 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    color: white;
}

.contact-info p {
    color: var(--gray);
    margin-bottom: 30px;
    line-height: 1.7;
}

.contact-method {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    color: var(--gray);
}

.contact-method i {
    font-size: 1.25rem;
    color: var(--primary-light);
    margin-right: 15px;
    width: 30px;
    text-align: center;
}

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

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: white;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 14px 15px;
    border: 1px solid var(--gray-light);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--primary);
    color: white;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(4, 91, 98, 0.3);
}

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

.form-group .range-values {
    display: flex;
    justify-content: space-between;
    margin-top: 5px;
    font-size: 0.8rem;
    color: var(--gray);
}

/* Footer */
footer {
    background-color: var(--primary-darker);
    color: white;
    padding: 80px 0 20px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    display: inline-block;
    color: white;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--primary-light);
    border-radius: 2px;
}

.footer-col p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

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

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

.footer-col ul li a {
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.footer-col ul li a i {
    margin-right: 8px;
    font-size: 0.8rem;
}

.footer-col ul li a:hover {
    color: white;
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    font-size: 1.1rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    text-decoration: none;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 0.9rem;
}
.social-links a .fa-telegram {
    color: #0088cc;
}

.social-links a .fa-whatsapp {
    color: #25D366; /* Зеленый цвет WhatsApp */
}

.social-links a:hover .fa-telegram,
.social-links a:hover .fa-whatsapp {
    color: white;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 1s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* Responsive */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .contact-grid {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: 250px;
        height: 100vh;
        background: var(--primary-dark);
        flex-direction: column;
        padding: 80px 30px 30px;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
        z-index: 1000;
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }
    
    .nav-links.active {
        transform: translateX(0);
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-outline {
        margin-left: 0;
        margin-top: 15px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .works-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }
    
    .contact {
        padding: 30px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .contact {
        padding: 20px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Placeholder images fix */
.work-card-img img {
    filter: brightness(0.9);
}

/* Стили для иконок платформ */
.platform-icons {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    gap: 8px;
    z-index: 2;
}

.platform-icon {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #333;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.platform-icon.android {
    background: #3DDC84;
    color: white;
}

.platform-icon.ios {
    background: #000000;
    color: white;
}

.work-card-img {
    position: relative;
}