/* === GENERAL STYLES === */
:root {
    --bg-color: #0f172a; /* tёmno-siniy granit */
    --accent-yellow: #facc15; /* solnechnyy yantar' */
    --accent-blue: #60a5fa; /* nebesno-siniy */
    --text-light: #f1f5f9; /* myagkiy seryy */
    --text-white: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
    --border-radius: 1.5rem;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
    color: var(--text-white);
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--accent-yellow), var(--accent-blue));
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-yellow);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

section {
    padding: 5rem 0;
}

/* === BUTTONS === */
.btn-primary, .btn-secondary, .btn-submit, .btn-cookie {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(45deg, var(--accent-yellow), var(--accent-blue));
    color: var(--bg-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    color: var(--bg-color);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
}

.btn-secondary:hover {
    background-color: var(--accent-blue);
    color: var(--bg-color);
}

.btn-submit {
    background: linear-gradient(45deg, var(--accent-yellow), var(--accent-blue));
    color: var(--bg-color);
    width: 100%;
    padding: 1rem;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-cookie {
    background-color: var(--accent-yellow);
    color: var(--bg-color);
}

.btn-cookie:hover {
    background-color: var(--accent-blue);
}

/* === HEADER === */
header {
    padding: 1rem 0;
    position: sticky;
    top: 0;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo a {
    display: flex;
    align-items: center;
    color: var(--text-white);
    text-decoration: none;
}

.logo-text {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--accent-yellow), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.main-nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.main-nav a:hover {
    color: var(--accent-yellow);
}

.nav-cta {
    padding: 0.5rem 1rem;
    background: linear-gradient(45deg, var(--accent-yellow), var(--accent-blue));
    color: var(--bg-color) !important;
    border-radius: var(--border-radius);
}

.nav-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
    color: var(--bg-color) !important;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
}

.menu-button {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 20px;
    width: 30px;
    padding: 0;
}

.menu-icon {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--text-white);
    border-radius: 2px;
    transition: var(--transition);
}

.menu-button.menu-close .menu-icon:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-button.menu-close .menu-icon:nth-child(2) {
    opacity: 0;
}

.menu-button.menu-close .menu-icon:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* === HERO SECTION === */
.hero {
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(250, 204, 21, 0.1), transparent 50%),
                radial-gradient(circle at bottom left, rgba(96, 165, 250, 0.1), transparent 50%);
    z-index: -1;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* === ABOUT SECTION === */
.about-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: rotate(2deg);
    transition: var(--transition);
}

.about-image:hover {
    transform: rotate(0);
}

/* === BENEFITS SECTION === */
.benefits {
    background-color: rgba(15, 23, 42, 0.5);
    position: relative;
}

.benefits::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(96, 165, 250, 0.05), transparent 70%);
    z-index: -1;
}

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

.benefit-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.benefit-icon {
    font-size: 2rem;
    color: var(--accent-yellow);
    margin-bottom: 1rem;
}

/* === SERVICES SECTION === */
.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.service-image {
    height: 200px;
    overflow: hidden;
}

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

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-card h3,
.service-card p {
    padding: 0 1.5rem;
}

.service-card h3 {
    margin-top: 1rem;
}

.service-card .btn-secondary {
    margin: 1.5rem;
    display: inline-block;
}

/* === GUARANTEES SECTION === */
.guarantees-content {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.guarantee-text {
    flex: 3;
}

.guarantee-text ul {
    list-style: none;
    margin: 1.5rem 0;
}

.guarantee-text li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 2rem;
}

.guarantee-text li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-yellow);
    font-weight: bold;
}

.guarantee-stats {
    flex: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    text-align: center;
}

.stat {
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.1), rgba(96, 165, 250, 0.1));
    padding: 1.5rem;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    background: linear-gradient(to right, var(--accent-yellow), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-text {
    color: var(--text-light);
}

/* === TESTIMONIALS SECTION === */
.testimonials {
    position: relative;
}

.testimonials::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(250, 204, 21, 0.05), transparent 70%);
    z-index: -1;
}

.testimonial-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    gap: 2rem;
    padding-bottom: 2rem;
    /* Hide scrollbar */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.testimonial-slider::-webkit-scrollbar {
    display: none;
}

.testimonial {
    min-width: 300px;
    flex: 1;
    scroll-snap-align: start;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.testimonial-content {
    position: relative;
    padding: 1rem 0;
}

.testimonial-content::before,
.testimonial-content::after {
    content: '"';
    font-size: 4rem;
    line-height: 1;
    color: var(--accent-yellow);
    opacity: 0.3;
}

.testimonial-content::before {
    position: absolute;
    top: -20px;
    left: -10px;
}

.testimonial-content::after {
    position: absolute;
    bottom: -50px;
    right: -10px;
}

.testimonial-author {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: bold;
    color: var(--text-white);
}

.author-position {
    font-size: 0.9rem;
    color: var(--accent-blue);
}

/* === CONTACT SECTION === */
.contact {
    background-color: rgba(15, 23, 42, 0.5);
    position: relative;
}

.contact::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at bottom right, rgba(96, 165, 250, 0.1), transparent 50%);
    z-index: -1;
}

.contact-container {
    display: flex;
    gap: 3rem;
}

.contact-info {
    flex: 1;
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-label {
    font-weight: bold;
    color: var(--accent-yellow);
}

.contact-form {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-white);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    background-color: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 0.5rem;
    color: var(--text-white);
    transition: var(--transition);
    font-size: 1rem;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-yellow);
    box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.3);
    background-color: rgba(255, 255, 255, 0.2);
}

.form-group select option {
    background-color: var(--bg-color);
    color: var(--text-white);
    padding: 10px;
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.form-group.checkbox input {
    width: auto;
    height: 18px;
    width: 18px;
    cursor: pointer;
    accent-color: var(--accent-yellow);
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-size: 0.9rem;
    cursor: pointer;
    color: #ffffff;
}

.form-group.checkbox label a {
    color: #ffffff;
    text-decoration: underline;
}

/* === FAQ SECTION === */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question h3 {
    margin-bottom: 0;
    flex: 1;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--accent-yellow);
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.active {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.1);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

/* === FOOTER === */
footer {
    background-color: rgba(10, 15, 30, 0.9);
    padding: 4rem 0 1rem;
    margin-top: 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-column h4 {
    color: var(--accent-yellow);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent-blue);
    border-radius: 1.5px;
}

.footer-description {
    margin-top: 1rem;
    color: var(--text-light);
    opacity: 0.8;
}

.footer-contact,
.footer-links {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-light);
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-yellow);
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* === COOKIE POPUP === */
.cookie-popup {
    position: fixed;
    bottom: -100%;
    left: 0;
    right: 0;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    z-index: 9999;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transition: bottom 0.5s ease;
}

.cookie-popup.show {
    bottom: 0;
}

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

.cookie-content p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* === LEGAL PAGES === */
.legal-page {
    padding: 2rem 0;
}

.legal-container {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.legal-container h1 {
    margin-bottom: 2rem;
    text-align: center;
}

.legal-container h2 {
    margin-top: 2rem;
    font-size: 1.5rem;
    text-align: left;
}

.legal-container h2::after {
    left: 0;
    transform: none;
    width: 60px;
}

.legal-container p,
.legal-container ul {
    margin-bottom: 1.5rem;
}

.legal-container ul {
    padding-left: 2rem;
}

.legal-container ul li {
    margin-bottom: 0.5rem;
}

/* === THANK YOU PAGE === */
.thank-you {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    text-align: center;
}

.thank-you-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 3rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    max-width: 700px;
    margin: 0 auto;
}

.thank-you h1 {
    margin-bottom: 1.5rem;
    font-size: 3rem;
}

.thank-you p {
    margin-bottom: 2rem;
}

.thank-you .contact-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
}

.thank-you .contact-item {
    margin-bottom: 1rem;
}

.success-icon {
    font-size: 5rem;
    color: var(--accent-yellow);
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
    background: rgba(250, 204, 21, 0.1);
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* === RESPONSIVE DESIGN === */
@media screen and (max-width: 992px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .about-content {
        flex-direction: column-reverse;
        text-align: center;
    }
    
    .guarantees-content {
        flex-direction: column;
        text-align: center;
    }
    
    .guarantee-text li {
        text-align: left;
    }
    
    .contact-container {
        flex-direction: column;
    }
}

@media screen and (max-width: 768px) {
    section {
        padding: 4rem 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-color);
        padding: 1rem;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease;
    }
    
    .main-nav.menu-open {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .services-container,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
    }
}

@media screen and (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .testimonial {
        min-width: 100%;
    }
}