/* ================================
   LAYOUT СТИЛИ IVIN TRADE LTD
   ================================ */

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.header-transparent {
    background-color: rgba(255, 255, 255, 0.9);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.navbar-brand .logo {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
}

.logo-img {
    width: 40px;
    height: 40px;
    margin-right: 12px;
}

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

.nav-link {
    font-weight: 500;
    color: #6b7280;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #1e40af;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #1f2937;
    margin: 3px 0;
    transition: 0.3s;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-4px, 4px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-4px, -4px);
}

.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: white;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-content {
    padding: 20px;
}

.mobile-nav-link {
    display: block;
    padding: 12px 0;
    font-weight: 500;
    color: #6b7280;
    border-bottom: 1px solid #f3f4f6;
}

.mobile-nav-link:last-of-type {
    border-bottom: none;
}

.mobile-cta {
    margin-top: 20px;
    width: 100%;
}

/* Main Content */
.main-content {
    margin-top: 70px;
}

/* Sections */
.section {
    padding: 60px 0;
}

.section-dark {
    background-color: #1f2937;
    color: white;
}

.section-gray {
    background-color: #f9fafb;
}