* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f4f8;
    color: #333;
    line-height: 1.6;
}

/* HEADER */
.main-header {
    background: #ffffff;
    border-bottom: 4px solid #00d2ff;
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 45px;
    margin-right: 10px;
}

.logo-fallback {
    font-weight: bold;
    font-size: 24px;
    color: #004a99;
}

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

.nav-btn {
    background: none;
    border: none;
    padding: 10px 15px;
    font-weight: bold;
    cursor: pointer;
    color: #555;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    font-size: 13px;
}

.nav-btn.active {
    color: #004a99;
    border-bottom-color: #004a99;
}

.lang-toggle {
    background: #03b4dc;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    margin-left: 20px;
    cursor: pointer;
    font-weight: bold;
    font-size: 13px;
}

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

.header-left,
.header-right {
    flex: 1;
}

.header-center {
    flex: 2;
    text-align: center;
}

.header-sub-title {
    margin: 0;
    font-weight: bold;
    color: #1b62a9;
    font-size: 18px;
    white-space: nowrap;
}

.header-right {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

@media (max-width: 992px) {
    .header-sub-title {
        font-size: 12px;
    }
}

/* SIDEBAR */
.side-contacts {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.side-link {
    width: 45px;
    height: 45px;
    background: #00d2ff;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 20px;
}

/* CONTENT */
.content-container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

.hero-section {
    text-align: center;
    margin-bottom: 30px;
}

h1 {
    color: #1b62a9;
    margin: 0 0 10px;
    font-size: 28px;
}

.sub-title {
    color: #666;
    font-size: 18px;
    font-weight: bold;
}

.promo-wrapper {
    width: 100%;
    text-align: center;
    margin-bottom: 40px;
}

.promo-img {
    display: inline-block;
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

#scroll-anchor {
    height: 1px;
    margin-bottom: -1px;
}

.info-card {
    background: white;
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-left: 5px solid #00d2ff;
    min-height: 300px;
}

.hidden {
    display: none;
}

.fade-in {
    animation: fadeInAnim 0.6s ease;
}

@keyframes fadeInAnim {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mt-3 {
    margin-top: 1rem;
}

.contact-grid {
    display: flex;
    justify-content: space-between;
    margin-top: 25px;
}

.contact-accent {
    color: #00d2ff;
    font-weight: bold;
    text-decoration: none;
}

@media (max-width: 768px) {

    .header-container,
    .contact-grid {
        flex-direction: column;
        text-align: center;
    }

    .header-right {
        margin-top: 15px;
    }

    .text-md-end {
        text-align: center !important;
        margin-top: 20px;
    }
}