:root {
    --primary-blue: #2F66B3;
    --primary-blue-hover: #244f8f;
    --dark-blue: #1f2d3d;
    --grey-text: #5B5F63;
    --bg-white: #FFFFFF;
    --bg-light: #f4f6f8;
    --border-color: #daddE1;
}

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

html,
body {
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark-blue);
    background-color: var(--bg-white);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease, background-color 0.2s ease;
}

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

.section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 50px;
    text-align: left;
    position: relative;
    padding-left: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 100%;
    width: 4px;
    background-color: var(--primary-blue);
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    text-align: center;
    border-radius: 0;
    line-height: 24px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--bg-white);
    border: 1px solid var(--primary-blue);
}

.btn-primary:hover {
    background-color: var(--primary-blue-hover);
    border-color: var(--primary-blue-hover);
}

.btn-outline {
    background-color: transparent;
    color: var(--dark-blue);
    border: 1px solid var(--dark-blue);
}

.btn-outline:hover {
    background-color: var(--dark-blue);
    color: var(--bg-white);
}

.header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.header.header-hidden {
    transform: translateY(-100%);
}

.header+main {
    margin-top: 80px;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-blue);
    letter-spacing: 1px;
}

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

.logo-text {
    text-transform: uppercase;
}

.logo-img-footer {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-socials {
    display: flex;
    gap: 12px;
}

.header-social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 0;
    background-color: var(--bg-light);
    color: var(--primary-blue);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.header-social-icon svg {
    width: 20px;
    height: 20px;
}

.header-social-icon:hover {
    background-color: var(--primary-blue);
    color: var(--bg-white);
}

.btn-call-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background-color: var(--bg-white);
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

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

.btn-icon {
    width: 20px;
    height: 20px;
    transition: color 0.3s ease;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    font-size: 13px;
    font-weight: 600;
    color: var(--dark-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.hero {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    color: var(--bg-white);
    padding: 100px 0;
}

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

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    font-weight: 400;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-socials {
    display: flex;
    gap: 16px;
}

.hero-social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 0;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--bg-white);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.hero-social-icon svg {
    width: 24px;
    height: 24px;
}

.hero-social-icon:hover {
    background-color: var(--primary-blue);
}

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

.hero-logo {
    width: 350px;
    height: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 0;
    border-top: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
}

.service-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    text-align: left;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.service-card:hover {
    background-color: var(--bg-light);
}

.service-icon {
    margin-bottom: 24px;
    color: var(--primary-blue);
}

.service-icon svg {
    width: 40px;
    height: 40px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-card p {
    color: var(--grey-text);
    font-size: 15px;
}

.objects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0;
    border-top: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
}

.object-item {
    background-color: var(--bg-white);
    padding: 40px 20px;
    text-align: center;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.object-item:hover {
    background-color: var(--primary-blue);
    color: var(--bg-white);
}

.object-item:hover .object-icon {
    color: var(--bg-white);
}

.object-item:hover h3 {
    color: var(--bg-white);
}

.object-icon {
    color: var(--primary-blue);
    margin-bottom: 20px;
    transition: color 0.2s ease;
}

.object-icon svg {
    width: 48px;
    height: 48px;
    stroke-width: 1.5;
}

.object-item h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.2s ease;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
}

.advantage-card {
    text-align: left;
}

.advantage-icon {
    margin-bottom: 20px;
    color: var(--primary-blue);
}

.advantage-icon svg {
    width: 36px;
    height: 36px;
}

.advantage-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.advantage-card p {
    color: var(--grey-text);
    font-size: 15px;
}

.about-content {
    max-width: 800px;
}

.about-text {
    font-size: 16px;
    color: var(--grey-text);
    line-height: 1.8;
}

.cta {
    background-color: var(--dark-blue);
    color: var(--bg-white);
    padding: 100px 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--bg-white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
}

.cta-main-btn {
    font-size: 18px;
    padding: 18px 40px;
    margin-bottom: 40px;
}

.cta-messengers-group {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-messengers-title {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 15px;
}

.cta-socials {
    display: flex;
    gap: 24px;
    justify-content: center;
}

.cta-social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 0;
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--bg-white);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.cta-social-icon svg {
    width: 24px;
    height: 24px;
}

.cta-social-icon:hover {
    background-color: var(--primary-blue);
    color: var(--bg-white);
    border-color: var(--primary-blue);
}

.footer {
    background-color: var(--dark-blue);
    color: var(--bg-white);
    padding-top: 80px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-info {
    flex: 1;
    min-width: 250px;
}

.footer-logo {
    color: var(--bg-white);
    margin-bottom: 20px;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-contacts {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 300px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
}

.contact-label {
    min-width: 160px;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-contacts span,
.footer-contacts a {
    color: var(--bg-white);
    font-size: 15px;
}

.footer-contacts a:hover {
    color: var(--primary-blue);
}

.footer-socials {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 0;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-blue);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.social-icon svg {
    width: 24px;
    height: 24px;
}

.social-icon:hover {
    background-color: var(--primary-blue);
    color: var(--bg-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    text-align: left;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(31, 45, 61, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background-color: var(--bg-white);
    padding: 50px 40px;
    width: 100%;
    max-width: 450px;
    position: relative;
    text-align: center;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.popup-overlay.active .popup-content {
    transform: translateY(0);
}

.popup-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--grey-text);
    cursor: pointer;
    transition: color 0.2s ease;
}

.popup-close svg {
    width: 24px;
    height: 24px;
}

.popup-close:hover {
    color: var(--primary-blue);
}

.popup-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.popup-phone {
    display: inline-block;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 30px;
    transition: color 0.2s ease;
}

.popup-phone:hover {
    color: var(--primary-blue-hover);
}

.popup-subtitle {
    font-size: 15px;
    color: var(--grey-text);
    margin-bottom: 20px;
}

.popup-messengers {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.messenger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px;
    border-radius: 0;
    font-size: 16px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    color: var(--dark-blue);
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.messenger-btn svg {
    width: 20px;
    height: 20px;
    color: var(--primary-blue);
    transition: color 0.2s ease;
}

.messenger-btn:hover {
    border-color: var(--primary-blue);
    background-color: var(--primary-blue);
    color: var(--bg-white);
}

.messenger-btn:hover svg {
    color: var(--bg-white);
}

@media (max-width: 992px) {
    .header-right {
        gap: 20px;
    }

    .nav {
        display: none;
    }

    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .hero-visual {
        display: none;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-actions {
        justify-content: center;
    }

    .section-title {
        text-align: center;
        padding-left: 0;
    }

    .section-title::before {
        display: none;
    }

    .about-text {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: row;
        height: auto;
        gap: 15px;
        padding: 10px 20px;
        align-items: center;
        justify-content: space-between;
    }

    .header-right {
        gap: 15px;
        width: auto;
    }

    .header-actions {
        gap: 12px;
    }

    .header-social-icon {
        width: 44px;
        height: 44px;
    }

    .header-social-icon svg {
        width: 24px;
        height: 24px;
    }

    .btn-call-outline .btn-text {
        display: none;
    }

    .btn-call-outline {
        padding: 0;
        width: 44px;
        height: 44px;
        border-radius: 0;
    }

    .header-socials {
        display: none;
    }

    .btn-call-outline .btn-icon {
        margin: 0;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .cta {
        padding: 60px 0;
    }

    .cta-title {
        font-size: 28px;
    }

    .privacy-page {
        padding: 30px 0;
    }

    .privacy-content {
        padding: 30px 20px;
        border: none;
        border-radius: 0;
    }

    .privacy-text h2 {
        font-size: 18px;
    }
}

.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background-color: var(--primary-blue);
    color: var(--bg-white);
    border: none;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.3s ease;
    z-index: 900;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    background-color: var(--primary-blue-hover);
}

.scroll-top-btn svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .scroll-top-btn {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 24px;
    }

    .hero .btn,
    .cta .btn {
        width: 100%;
        display: block;
    }

    .header-container {
        padding: 15px 20px;
    }

    .services-grid,
    .objects-grid {
        border: none;
        gap: 20px;
    }

    .cta-socials {
        gap: 15px;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 24px;
        word-wrap: break-word;
        hyphens: auto;
    }

    .privacy-page {
        padding: 20px 0;
    }

    .privacy-content {
        padding: 25px 20px;
    }

    .privacy-text p {
        font-size: 14px;
        line-height: 1.6;
    }

    .privacy-text h2 {
        font-size: 16px;
        margin: 25px 0 15px;
    }
}

.error-page {
    display: block;
}

.error-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 20px 140px;
    background: var(--bg-white);
}

.error-card {
    display: flex;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.error-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 40px;
    border-right: 1px solid var(--border-color);
    font-size: 100px;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1;
    letter-spacing: -3px;
}

.error-content {
    flex: 1.2;
    padding-left: 40px;
}

.error-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 20px;
}

.error-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 20px;
    line-height: 1.2;
}

.error-message {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .error-page {
        display: block;
        min-height: auto;
    }

    .error-main {
        display: block;
        padding: 30px 20px;
    }

    .error-card {
        display: block;
        text-align: center;
    }

    .error-visual {
        display: block;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 0 0 20px 0;
        margin-bottom: 20px;
        font-size: 80px;
        width: 100%;
    }

    .error-content {
        display: block;
        padding: 0;
        width: 100%;
    }

    .error-title {
        font-size: 28px;
    }
}