:root {
    --color-bg: #011129;
    --color-bg-alt: #27459c;
    --color-text: #F5F5F5;
    --color-text-light: #FFFDEB;
    --color-accent: #0e89cc;
    --color-accent-alt: #F0B90B;
    --color-shadow: rgba(243, 186, 47, 0.15);
    --color-shadow-hover: rgba(243, 186, 47, 0.25);
    --color-menu: #B3B3B3;
    --color-border: #353535;
    --color-border-contrast: #2f50f3;
}

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

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

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

section:nth-child(odd) {
    background: var(--color-bg);
}

section:nth-child(even) {
    background: var(--color-bg-alt);
}

.banner-link-wrapper {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

.banner-link-wrapper:hover {
    opacity: 0.95;
}

.hero-banner {
    min-height: 100vh;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.banner-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    max-width: 600px;
    margin: 0 auto;
}

.banner-logo {
    height: 120px;
    width: auto;
    max-width: 100%;
}

.banner-cta {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-text-light);
    padding: 20px 40px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--color-shadow);
    cursor: pointer;
}

.banner-cta:hover {
    background: var(--color-accent-alt);
    box-shadow: 0 8px 25px var(--color-shadow-hover);
}

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-bg);
    box-shadow: 0 2px 10px rgba(235, 229, 229, 0.1);
}

.nav {
    padding: 15px 0;
}

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

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-light);
}

.brand-link {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

.brand-link:hover {
    color: var(--color-text-light);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-menu);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-light);
    font-weight: 500;
    padding: 10px 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

.nav-for-mobile {
    display: none;
}

.hero {
    color: var(--color-text-light);
    padding: 40px 0;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    min-height: 200px;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
    gap: 12px;
}

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

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
}

.hero h1,
.hero h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.2;
    color: var(--color-text-light);
}

.hero h2 {
    text-align: left;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 20px;
    opacity: 0.9;
    color: var(--color-text-light);
}

.hero-cta {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-text-light);
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    background: var(--color-accent-alt);
}

.intro {
    padding: 40px 0;
    background: var(--color-bg-alt);
}

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

.intro-block {
    margin-bottom: 40px;
}

.intro-row {
    display: flex;
    align-items: center;
    gap: 32px;
}

.intro-row.reverse {
    flex-direction: row-reverse;
}

.intro-row.img-left {
    flex-direction: row;
}

.intro-text,
.intro-img {
    flex: 1 1 50%;
    max-width: 50%;
    background: var(--color-bg);
}

.intro-img {
    display: flex;
    justify-content: center;
    align-items: center;
}

.intro-img img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    background: var(--color-bg);
}

section {
    padding: 60px 0;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-accent);
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-text-light);
    text-align: center;
}

.intro p {
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    color: var(--color-text);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: var(--color-bg-alt);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.service-card h3 {
    margin-bottom: 20px;
}

.service-card ul {
    text-align: left;
    margin-top: 15px;
}

.service-card li {
    margin-bottom: 8px;
    color: var(--color-text-light);
}

.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.advantage {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--color-bg);
    border-radius: 24px;
    padding: 30px;
    text-align: center;
}

.advantage img {
    display: block;
    margin: 0 auto 20px auto;
    max-width: 250px;
    max-height: 250px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
}

.advantage h3 {
    margin-bottom: 12px;
    margin-top: 0;
}

.advantage p {
    margin-top: 0;
}

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

.step {
    text-align: center;
    padding: 30px 20px;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    background: var(--color-bg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    color: var(--color-text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.blog-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.blog-card {
    background: var(--color-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.blog-card h3 a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-card h3 a:hover {
    color: var(--color-text-light);
}

.blog-meta {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.site-advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.site-advantage {
    text-align: center;
    background-color: var(--color-bg-alt);
    border-radius: 24px;
    padding: 30px;
}

.site-advantage.light {
    background-color: var(--color-bg);
}

.site-advantage h3 {
    margin-bottom: 20px;
}

.footer {
    background: var(--color-bg);
    box-shadow: 0 2px 10px rgba(235, 229, 229, 0.1);
    color: var(--color-text-light);
    padding: 40px 0 20px;
}

.footer-nav-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
}

.footer-nav-list a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-nav-list a:hover {
    color: var(--color-bg-alt);
}

.footer-content {
    text-align: center;
}

.copyright {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.disclaimer {
    max-width: 800px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.8;
}

.contact-form {
    max-width: 600px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-text-light);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-text);;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

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

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

.submit-button {
    background: var(--color-accent);
    color: var(--color-text-light);
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background: var(--color-text-light);
    box-shadow: 0 4px 12px var(--color-shadow);
}

.content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.content h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    text-align: center;
    color: var(--color-text-light);
}

.content h2 {
    font-size: 2rem;
    margin: 40px 0 20px;
    color: var(--color-accent);
}

.content p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--color-text);
}

.content ul,
.content ol {
    margin: 20px 0;
    padding-left: 30px;
}

.content li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.content a {
    color: var(--color-text-light);
    text-decoration: none;
}

.content a:hover {
    text-decoration: underline;
}

.faq {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.faq-item {
    margin-bottom: 25px;
    padding: 20px;
    background: var(--color-bg-alt);
    border-radius: 8px;
}

.faq-item h4 {
    color: var(--color-text-light);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.cta {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 40px 10px 0;
}

.app {
    padding: 40px 0;
}

.container-app {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.app-content {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: 20px;
}

.app-content h1 {
    margin: 0 0 15px 0;
    font-size: 2.5rem;
    font-weight: bold;
}

.app-content .hero-description {
    margin: 0;
    font-size: 1.2rem;
}

.app-image {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.app-image a {
    display: block;
    margin: 10px 0;
}

.app-image img {
    max-width: 350px;
    height: auto;
    transition: transform 0.3s ease;
}

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

@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-for-mobile {
        display: block;
        background-color: var(--color-accent);
        padding: 10px 20px;
        border-radius: 8px;
    }

    .nav-list {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #0A0E17;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s ease;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        gap: 20px;
        pointer-events: none;
    }

    .nav-list.active {
        left: 0;
        pointer-events: auto;
    }

    .nav-link {
        font-size: 1.2rem;
        padding: 15px 30px;
        width: 200px;
        text-align: center;
        pointer-events: auto;
    }

    .intro-row,
    .intro-row.img-left,
    .intro-row.reverse {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .intro-subtitle {
        order: 0;
    }

    .intro-img,
    .intro-text {
        order: 1;
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
    }

    .container-app {
        flex-direction: column;
        align-items: center;
    }

    .app-content {
        flex: 1;
        order: 1;
        padding-right: 0;
        text-align: center;
        margin-bottom: 20px;
    }

    .app-image {
        flex: 1;
        order: 2;
    }

    .app-image img {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .hero-banner {
        min-height: 100vh;
        padding: 20px 0;
    }

    .banner-content {
        gap: 30px;
    }

    .banner-logo {
        height: 80px;
    }

    .hero {
        padding: 60px 0;
    }

    .hero .container {
        flex-direction: column;
        gap: 12px;
        min-height: unset;
    }

    .hero-content,
    .hero-image {
        width: 100%;
        align-items: center;
        text-align: center;
    }

    .hero-image {
        margin-top: 16px;
    }

    .hero h1,
    .hero h2 {
        font-size: 2rem;
        text-align: center;
    }

    .hero-description {
        font-size: 1.125rem;
    }

    h2 {
        font-size: 2rem;
    }

    .services-grid,
    .advantages-list,
    .steps,
    .blog-cards,
    .site-advantages-list,
    .faq {
        grid-template-columns: 1fr;
    }

    .footer-nav-list {
        flex-direction: column;
        gap: 10px;
    }

    section {
        padding: 40px 0;
    }

    .content > div {
        display: block;
        gap: 0;
    }

    .content > div > div:first-child {
        margin-bottom: 40px;
    }

    .nav-brand {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .service-card,
    .blog-card {
        padding: 20px;
    }

    .step {
        padding: 20px 15px;
    }

    .banner-logo {
        height: 60px;
    }

    .banner-cta {
        padding: 14px 24px;
        font-size: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms;
        animation-iteration-count: 1;
        transition-duration: 0.01ms;
    }
}

a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

@media (prefers-contrast: high) {
    .hero {
        background: #000000;
    }

    .service-card,
    .blog-card {
        border: 2px solid var(--color-border-contrast);
    }
}