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

body {
    background-color: #050505;
    font-family: 'Inter', sans-serif;
    color: #fff;
    line-height: 1.5;
    scroll-behavior: smooth;
}

h1,
h2,
h3,
h4,
    {
    line-height: 1.2;
}


.bt-wrapper {
    max-width: 1060px;
    width: 100%;
    margin: 10px auto;
    border: 1px solid #1c1b1b;
    background-color: #050505;
    position: relative;
}


.bt-container {
    padding-left: 32px;
    padding-right: 32px;
}


a {
    text-decoration: none;
    transition: all 0.2s ease;
}


.bt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    color: #111;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 16px;
    border-radius: 4px;
    line-height: 1.2;
    letter-spacing: -0.01em;
    transition: 0.2s;
    cursor: pointer;
    border: none;
}

.bt-btn:hover {
    background-color: #e6e6e6;
    color: #000;
}


.bt-btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #121212;
    color: #fff;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.9rem;
    border: 1px solid #1c1b1b;
    transition: 0.2s;
}

.bt-btn-outline:hover {
    background-color: #1f1f1f;
    color: #fff;
    border-color: #2c2c2c;
}


.bt-subtitle-grad {
    background: linear-gradient(90deg, rgb(204, 163, 245) 0%, rgb(112, 242, 249) 50.4327%, #a2ff73, rgb(162, 255, 115));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    display: inline-block;
    font-weight: 400;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
    background-color: #ffffff14;
    padding: 6px 16px;
    border-radius: 40px;
    width: fit-content;
    text-transform: uppercase;
    backdrop-filter: blur(2px);
    border: 1px solid #1c1b1b;
}

h1,
h2,
h3,
.bt-title {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    color: #fff;
    line-height: 1.2;
}

.bt-text-light {
    color: #a8a8a8;
    font-size: 1rem;
}


.bt-card,
.bt-feature-card,
.bt-capability-card,
.bt-faq-item {
    border: 1px solid #1c1b1b;
    background-color: transparent;
}


.bt-icon-box {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background-color: #121212;
    border: 1px solid #1c1b1b;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}


.bt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    flex-wrap: wrap;
    border-bottom: 1px solid #1c1b1b;
}

.bt-logo-area {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
}

.bt-logo-img {
    height: 36px;
    width: auto;
}

.bt-brand {
    font-weight: 600;
    font-size: 1.45rem;
    letter-spacing: -0.02em;
    color: #fff;
}

.bt-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.bt-nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
}

.bt-nav-links a {
    color: #d0d0d0;
    font-weight: 500;
    font-size: 0.95rem;
    transition: 0.2s;
}

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


.bt-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid #1c1b1b;
    border-radius: 4px;
    padding: 6px 12px;
    color: white;
    cursor: pointer;
    font-size: 1.4rem;
}


.bt-banner {
    text-align: center;
    padding: 70px 32px 80px;
    background-image: url('../img/banner.webp');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.bt-banner .bt-subtitle-grad {
    margin-bottom: 14px;
}

.bt-banner h1 {
    font-size: 3.8rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 20px 0 24px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.bt-banner .bt-text-light {
    max-width: 640px;
    margin: 0 auto 36px;
    font-size: 1.1rem;
}

.bt-btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}


.bt-advantages {
    display: flex;
    gap: 24px;
    padding: 60px 32px;
    flex-wrap: wrap;
}

.bt-advantage-item {
    flex: 1;
    min-width: 200px;
    border: 1px solid #1c1b1b;
    padding: 32px 24px;
    background: transparent;
}

.bt-advantage-item .bt-icon-box {
    margin-bottom: 24px;
}

.bt-advantage-item h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
    font-weight: 500;
}


.bt-about {
    display: flex;
    gap: 48px;
    padding: 60px 32px;
    align-items: center;
    flex-wrap: wrap;
}

.bt-about-content {
    flex: 1;
}

.bt-about-image {
    flex: 1;
}

.bt-about-image img {
    width: 100%;
    display: block;
    border: 1px solid #1c1b1b;
}

.bt-about-content .bt-subtitle-grad {
    margin-bottom: 20px;
}

.bt-about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.bt-about-content p {
    margin-bottom: 18px;
    color: #a8a8a8;
}


.bt-capabilities {
    padding: 60px 32px;
    text-align: center;
}

.bt-capabilities-header {
    margin-bottom: 48px;
}

.bt-capabilities-header .bt-subtitle-grad {
    margin-bottom: 18px;
}

.bt-capabilities-header h2 {
    font-size: 2.5rem;
}

.bt-capabilities-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.bt-capability-card {
    flex: 1 1 calc(33.33% - 30px);
    min-width: 240px;
    padding: 32px 24px;
    text-align: left;
    border: 1px solid #1c1b1b;
    background: transparent;
    transition: transform 0.2s;
}

.bt-capability-card .bt-icon-box {
    margin-bottom: 24px;
}

.bt-capability-card h3 {
    margin-bottom: 12px;
    font-size: 1.3rem;
}

.bt-capability-card p {
    color: #a8a8a8;
    font-size: 0.95rem;
}


.bt-cta {
    margin: 40px 32px 60px;
    background-color: #1c1b1b;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 38px;
    gap: 30px;
}

.bt-cta-left h3 {
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 12px;
}

.bt-cta-left p {
    color: #b0b0b0;
    max-width: 460px;
}


.bt-faq {
    padding: 40px 32px 80px;
}

.bt-faq-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
    border-bottom: 1px solid #1c1b1b;
    padding-bottom: 20px;
}

.bt-faq-left .bt-subtitle-grad {
    margin-bottom: 12px;
}

.bt-faq-left h2 {
    font-size: 2rem;
}

.bt-faq-right p {
    color: #a8a8a8;
    max-width: 280px;
}

.bt-faq-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.bt-faq-item {
    border: 1px solid #1c1b1b;
    background: transparent;
}

.bt-faq-question {
    padding: 20px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    color: #fff;
}

.bt-faq-question span:first-child {
    letter-spacing: -0.2px;
}

.bt-faq-answer {
    padding: 0 28px 20px 28px;
    color: #a8a8a8;
    display: none;
    line-height: 1.55;
    border-top: 1px solid #1c1b1b;
    margin-top: 0;
}

.bt-faq-item.active .bt-faq-answer {
    display: block;
}

.bt-faq-toggle {
    font-size: 1.6rem;
    font-weight: 300;
}


.bt-footer {
    padding: 60px 32px 30px;
    border-top: 1px solid #1c1b1b;
}

.bt-footer-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 48px;
}

.bt-footer-col:first-child {
    max-width: 260px;
}

.bt-footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.bt-footer-logo img {
    height: 32px;
}

.bt-footer-col p {
    color: #a8a8a8;
    font-size: 0.85rem;
    line-height: 1.4;
}

.bt-footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bt-footer-links a,
.bt-footer-contact p {
    color: #b0b0b0;
    font-size: 0.9rem;
    transition: 0.2s;
}

.bt-footer-contact {
    max-width: 260px;
}

.bt-footer-links a:hover {
    color: white;
}

.bt-footer-contact p {
    margin-bottom: 8px;
}

.bt-copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #1c1b1b;
    color: #6c6c6c;
    font-size: 0.8rem;
}

.bt-contact-hero {
    padding: 40px 32px 20px;
}

.bt-breadcrumbs {
    margin-bottom: 40px;
    font-size: 0.85rem;
    color: #a8a8a8;
}

.bt-breadcrumbs a {
    color: #b0b0b0;
    transition: color 0.2s;
}

.bt-breadcrumbs a:hover {
    color: #fff;
}

.bt-breadcrumbs__separator {
    margin: 0 8px;
    color: #444;
}

.bt-breadcrumbs__current {
    color: #ddd;
}

.bt-contact-hero__title {
    font-size: 3.2rem;
    font-weight: 500;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.bt-title-accent {
    color: #a2ff73;
}

.bt-contact-hero__text {
    color: #a8a8a8;
    max-width: 620px;
    font-size: 1.05rem;
}

.bt-contact-section {
    padding: 40px 32px 90px;
}

.bt-contact-grid {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}

.bt-form-col {
    flex: 1.2;
    min-width: 280px;
}

.bt-info-col {
    flex: 1;
    min-width: 280px;
}

.bt-form-card {
    background: transparent;
    border: 1px solid #1c1b1b;
    padding: 36px 32px;
}

.bt-form-title {
    font-size: 1.6rem;
    font-weight: 500;
    margin-bottom: 28px;
    color: #fff;
}

.bt-contact-form .bt-form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.bt-form-group {
    flex: 1;
}

.bt-fullwidth {
    width: 100%;
    margin-bottom: 20px;
}

.bt-contact-form input,
.bt-contact-form textarea {
    width: 100%;
    background: #0c0c0c;
    border: 1px solid #1c1b1b;
    padding: 12px 16px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    color: #fff;
    border-radius: 4px;
    transition: 0.2s;
}

.bt-contact-form input:focus,
.bt-contact-form textarea:focus {
    outline: none;
    border-color: #70f2f9;
}

.bt-btn--form {
    background-color: #fff;
    color: #111;
    border: none;
    font-weight: 600;
    padding: 10px 24px;
    margin-top: 8px;
    cursor: pointer;
}

.bt-form-feedback {
    margin-top: 20px;
}

.bt-success-msg {
    background: rgba(162, 255, 115, 0.12);
    display: inline-block;
    padding: 10px 18px;
    color: #d0ffb0;
    font-size: 0.9rem;
}

.bt-error-msg {
    background: rgba(255, 80, 80, 0.12);
    display: inline-block;
    padding: 10px 18px;
    border-left: 3px solid #ff7070;
    color: #ffb5b5;
    font-size: 0.9rem;
}

.bt-info-header {
    margin-bottom: 40px;
}

.bt-info-title {
    font-size: 2rem;
    font-weight: 500;
    margin: 12px 0 14px;
    line-height: 1.3;
}

.bt-contact-blocks {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.bt-contact-block {
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid #1c1b1b;
    padding: 18px 24px;
    background: transparent;
    transition: 0.2s;
}

.bt-contact-block:hover {
    border-color: #2c2c2c;
}

.bt-contact-block h4 {
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: #ccc;
}

.bt-contact-block a,
.bt-contact-block p {
    color: #fff;
    font-weight: 500;
    font-size: 0.95rem;
}

.bt-contact-block a:hover {
    color: #cca3f5;
}


.bt-legal-page {
    padding: 40px 32px 80px;
}

.bt-legal-header {
    margin-bottom: 48px;
    border-bottom: 1px solid #1c1b1b;
    padding-bottom: 32px;
}

.bt-legal-breadcrumbs {
    margin-bottom: 32px;
    font-size: 0.85rem;
    color: #a8a8a8;
}

.bt-legal-breadcrumbs a {
    color: #b0b0b0;
    transition: color 0.2s;
}

.bt-legal-breadcrumbs a:hover {
    color: #fff;
}

.bt-legal-breadcrumbs .bt-sep {
    margin: 0 8px;
    color: #444;
}

.bt-legal-breadcrumbs .bt-current {
    color: #ddd;
}

.bt-legal-title {
    font-size: 3rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.bt-legal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    margin-top: 16px;
    color: #a8a8a8;
    font-size: 0.85rem;
}

.bt-legal-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bt-legal-content {
    max-width: 900px;
}

.bt-legal-section {
    margin-bottom: 40px;
}

.bt-legal-section h2 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: #fff;
    padding-bottom: 8px;
    border-bottom: 1px solid #1c1b1b;
}

.bt-legal-section h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin: 24px 0 12px;
    color: #e0e0e0;
}

.bt-legal-section p {
    color: #a8a8a8;
    line-height: 1.65;
    margin-bottom: 16px;
}

.bt-legal-section ul,
.bt-legal-section ol {
    margin: 16px 0 20px 24px;
    color: #a8a8a8;
    line-height: 1.65;
}

.bt-legal-section li {
    margin-bottom: 8px;
}

.bt-legal-section a {
    color: #cca3f5;
    transition: color 0.2s;
}

.bt-legal-section a:hover {
    color: #a2ff73;
}

.bt-legal-contact-block {
    background: transparent;
    border: 1px solid #1c1b1b;
    padding: 24px 28px;
    margin: 32px 0 24px;
}

.bt-legal-contact-block p {
    margin-bottom: 8px;
}

.bt-legal-contact-block strong {
    color: #fff;
}

.bt-last-updated {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid #1c1b1b;
    color: #6c6c6c;
    font-size: 0.85rem;
    text-align: center;
}

@media (max-width: 768px) {
    .bt-legal-title {
        font-size: 2.2rem;
    }

    .bt-legal-page {
        padding: 24px 20px 60px;
    }
}


.bt-who-section {
    padding: 40px 0 80px;
}

.bt-who-header {
    text-align: center;
    margin-bottom: 48px;
}

.bt-who-header .bt-subtitle-grad {
    margin: 0 auto 20px;
}

.bt-who-title {
    font-size: 3rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.bt-who-intro {
    max-width: 720px;
    margin: 0 auto;
    color: #a8a8a8;
    font-size: 1.1rem;
    line-height: 1.6;
}

.bt-who-full-image {
    width: 100%;
    margin: 48px 0;
    border: 1px solid #1c1b1b;
    overflow: hidden;
}

.bt-who-full-image img {
    width: 100%;
    height: auto;
    display: block;
}

.bt-stats-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 32px;
    margin: 48px 0 64px;
    padding: 40px 0;
    border-top: 1px solid #1c1b1b;
    border-bottom: 1px solid #1c1b1b;
}

.bt-stat-item {
    flex: 1;
    min-width: 140px;
    text-align: center;
}

.bt-stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #cca3f5 0%, #70f2f9 50%, #a2ff73 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.bt-stat-label {
    font-size: 0.9rem;
    color: #a8a8a8;
    letter-spacing: 0.02em;
}

.bt-who-content {
    max-width: 1000px;
    margin: 0 auto;
}

.bt-who-text-block {
    margin-bottom: 48px;
}

.bt-who-text-block h3 {
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 24px;
    color: #fff;
}

.bt-who-text-block p {
    color: #a8a8a8;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 1rem;
}

.bt-who-grid-two {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin: 56px 0 56px;
}

.bt-who-card {
    border: 1px solid #1c1b1b;
    padding: 28px 24px;
    background: transparent;
    transition: all 0.2s ease;
}

.bt-who-card:hover {
    border-color: #2c2c2c;
}

.bt-who-card h4 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 14px;
    color: #fff;
}

.bt-who-card p {
    color: #a8a8a8;
    line-height: 1.6;
    font-size: 0.95rem;
}

.bt-who-mission {
    margin-top: 20px;
    padding-top: 20px;
}

@media (max-width: 768px) {
    .bt-who-title {
        font-size: 2.2rem;
    }

    .bt-stats-grid {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }

    .bt-stat-item {
        width: 100%;
    }

    .bt-who-grid-two {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .bt-who-text-block h3 {
        font-size: 1.5rem;
    }
}










.bt-capabilities-detailed {
    padding: 80px 32px;
    background-color: #050505;
}

.bt-capabilities-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
}

.bt-capabilities-header .bt-subtitle-grad {
    margin: 0 auto 20px;
}

.bt-capabilities-title {
    font-size: 2.8rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    line-height: 1.2;
}

.bt-capabilities-description {
    color: #a8a8a8;
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 650px;
    margin: 0 auto;
}

.bt-capabilities-detailed-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.bt-capability-detailed-card {
    border: 1px solid #1c1b1b;
    padding: 32px;
    background: transparent;
    transition: all 0.25s ease;
}

.bt-capability-detailed-card:hover {
    border-color: #2c2c2c;
    transform: translateY(-2px);
}

.bt-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.bt-card-header h3 {
    font-size: 1.35rem;
    font-weight: 500;
    color: #fff;
    margin: 0;
}

.bt-card-description {
    color: #a8a8a8;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.bt-card-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bt-card-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #b8b8b8;
    font-size: 0.9rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(28, 27, 27, 0.5);
}

.bt-card-features li:last-child {
    border-bottom: none;
}

.bt-check-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}


@media (max-width: 860px) {
    .bt-capabilities-detailed-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .bt-capabilities-title {
        font-size: 2rem;
    }

    .bt-capabilities-detailed {
        padding: 60px 20px;
    }

    .bt-capability-detailed-card {
        padding: 24px;
    }

    .bt-card-header h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .bt-card-header {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .bt-card-features li {
        font-size: 0.85rem;
    }
}











@media (max-width: 860px) {
    .bt-contact-grid {
        flex-direction: column;
    }

    .bt-contact-hero__title {
        font-size: 2.4rem;
    }
}














































@media (max-width: 860px) {
    .bt-nav {
        gap: 20px;
    }

    .bt-nav-links {
        gap: 20px;
    }

    .bt-banner h1 {
        font-size: 2.5rem;
    }

    .bt-about {
        flex-direction: column;
    }

    .bt-capability-card {
        flex: 1 1 calc(50% - 30px);
    }
}

@media (max-width: 720px) {
    .bt-wrapper {
        margin: 0;
        border-left: none;
        border-right: none;
    }

    .bt-nav .bt-btn-outline {
        display: none;
    }



    .bt-nav {
        justify-content: space-between;
    }

    .bt-header {
        position: relative;
    }

    .bt-nav-links {
        order: 2;
        width: 100%;
        flex-direction: column;
        background: #0a0a0a;
        padding: 20px;
        gap: 18px;
        border: 1px solid #1c1b1b;
        margin-top: 12px;
        display: none;
    }

    .bt-nav-links.bt-show {
        display: flex;
        position: absolute;
        left: 0;
        top: 100%;
        width: 100%;
        z-index: 2;

    }

    .bt-menu-toggle {
        display: block;
    }

    .bt-advantages {
        flex-direction: column;
    }

    .bt-capability-card {
        flex: 1 1 100%;
    }

    .bt-cta {
        flex-direction: column;
        text-align: center;
    }

    .bt-faq-header-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .bt-footer-grid {
        flex-direction: column;
    }

    .bt-contact-hero {
        padding: 30px 0;
    }

    .bt-form-col {
        min-width: 100%;
        flex: auto;
    }

    .bt-contact-section {
        padding: 40px 0 40px 0;
    }

    .bt-contact-form .bt-form-row {
        flex-direction: column;
    }
    .bt-capabilities-detailed{
        padding: 50px 0;
    }
    .bt-legal-page{
        padding: 40px 0;
    }
}