/* ===== ОСНОВНЫЕ СТИЛИ HEADER ===== */

body {
    overflow-x: hidden;
    max-width: 100%;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f9f9fb;
    padding: 0 24px;
    border-radius: 20px;
    box-shadow:
        0 16px 34px rgba(0, 0, 0, 0.07),
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        inset 0 -1px 1px rgba(0, 0, 0, 0.05);
    border: 2px solid rgba(25, 25, 25, 0.1);
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1140px;
    z-index: 1000;
    height: 70px;
    backdrop-filter: blur(8px);
    position: relative;
    box-sizing: border-box;
}

/* ===== ЛОГОТИП ===== */
.logo a {
    text-decoration: none;
    font-weight: 700;
    font-size: 20px;
    color: #000;
    transition: color 0.2s ease;
}

.logo a:hover {
    color: #4536d1;
}

/* ===== НАВИГАЦИЯ ===== */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 32px;
    margin: 0;
    padding: 0;
    height: 100%;
}

.nav-item {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #000000;
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
    height: 100%;
    padding: 0 8px;
    position: relative;
    border-radius: 6px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #814BF6, #6255F6);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: #4536d1;
}

.nav-link .fa-chevron-down {
    font-size: 10px;
    margin-left: 4px;
    transition: transform 0.2s ease;
}

.products-menu:hover .fa-chevron-down {
    transform: rotate(180deg);
}

/* ===== КНОПКА REQUEST DEMO ===== */
.header-actions .request-demo-btn {
    background: linear-gradient(100deg, #814BF6, #6255F6) !important;
    color: #fff !important;
    box-shadow: 0 4px 15px rgba(98, 85, 246, 0.35) !important;
    padding: 12px 28px !important;
    border-radius: 12px !important;
    font-weight: 600 !important;
    font-size: 16px !important;
    border: 1px solid transparent !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
    display: inline-block !important;
    cursor: pointer !important;
}

.header-actions .request-demo-btn:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 8px 25px rgba(98, 85, 246, 0.45) !important;
    color: #fff !important;
    text-decoration: none !important;
}

/* ===== БУРГЕР МЕНЮ ===== */
.burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
    position: relative;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.burger:hover {
    background-color: rgba(129, 75, 246, 0.1);
}

/* Скрываем мобильную кнопку на десктопе */
.mobile-demo-btn {
    display: none;
}

.burger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #000;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
    position: relative;
}

.burger:hover span {
    background-color: #4536d1;
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background-color: #4536d1;
}

.burger.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
    background-color: #4536d1;
}

/* MOBILE NAV DUPLICATE START
/* ===== МОБИЛЬНАЯ ВЕРСИЯ ===== */
@media (max-width: 950px) {
    .main-header {
        /* keep internal padding */
        padding: 0 24px;
        height: 60px;
        /* use full viewport minus side margins to avoid overflow */
        width: calc(100% - 64px);
        /* center horizontally */
        margin: 0;
        left: 50%;
        transform: translateX(-50%);
        max-width: none;
    }
    
    .logo {
        margin-left: 20px;
    }
    .logo a {
        font-size: 18px;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -1000px;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.8);
        backdrop-filter: blur(10px);
        transition: right 0.3s ease;
        z-index: 1000;
        overflow: hidden;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .nav-list {
        position: absolute;
        top: 0;
        right: 0;
        /* 90% of viewport width */
        width: 90vw;
        height: 100%;
        background: #fff;
        flex-direction: column;
        gap: 0;
        /* extra horizontal padding for inner spacing */
        padding: 90px 24px 40px 24px;
        box-shadow: none;
        overflow-y: auto;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        visibility: hidden;
    }
    
    .main-nav.active .nav-list {
        transform: translateX(0);
        visibility: visible;
    }
    
    .nav-item {
        width: 100%;
        height: auto;
        border-bottom: 1px solid #f0f0f0;
        opacity: 0;
        transform: translateX(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }
    
    .main-nav.active .nav-item {
        opacity: 1;
        transform: translateX(0);
    }
    
    /* Задержка анимации для каждого элемента */
    .main-nav.active .nav-item:nth-child(1) { transition-delay: 0.1s; }
    .main-nav.active .nav-item:nth-child(2) { transition-delay: 0.2s; }
    .main-nav.active .nav-item:nth-child(3) { transition-delay: 0.3s; }
    .main-nav.active .nav-item:nth-child(4) { transition-delay: 0.4s; }
    
    .nav-link {
        width: 100%;
        padding: 20px 30px;
        font-size: 16px;
        border-radius: 0;
        justify-content: space-between;
        position: relative;
        overflow: hidden;
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(129, 75, 246, 0.1), transparent);
        transition: left 0.3s ease;
    }
    
    .nav-link:hover::before {
        left: 100%;
    }
    
    .nav-link:hover {
        background: #f8f9fa;
        color: #4536d1;
    }
    
    .products-menu {
        position: relative;
    }
    
    .products-submenu {
        display: block;
        position: absolute;
        left: 50%;
        top: 100%;
        background: #fff;
        border-radius: 18px;
        box-shadow: 0 12px 32px 0 rgba(60,60,130,0.18), 0 4px 18px 0 rgba(80,80,120,0.13);
        padding: 32px 36px 28px 36px;
        min-width: 780px;
        z-index: 2000;
        transition: opacity 0.25s ease, transform 0.25s ease;
        opacity: 0;
        pointer-events: none;
        transform: translateX(-50%) translateY(20px);
        transform-origin: top center;
        margin-top: 15px;
        border: 1px solid rgba(129, 75, 246, 0.1);
        max-width: none;
        width: auto;
        visibility: hidden;
    }
    
    .products-menu.active .products-submenu {
        display: block;
        opacity: 1;
        pointer-events: auto;
        transform: translateX(-50%) translateY(0);
        visibility: visible;
    }
    
    .submenu-grid {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 20px 30px;
    }
    
    .submenu-col {
        min-width: auto;
        margin-bottom: 20px;
        padding: 15px;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }
    
    .submenu-title {
        font-size: 16px;
        margin-bottom: 10px;
        padding: 10px 0;
        color: #4536d1;
        font-weight: 600;
    }
    
    .submenu-link {
        font-size: 14px;
        padding: 8px 0;
        margin-bottom: 5px;
        color: #6c757d;
        transition: all 0.2s ease;
    }
    
    .submenu-link:hover {
        color: #4536d1;
        background: #f8f9fa;
        padding-left: 8px;
    }
    
    .submenu-viewall-plain {
        margin: 20px 30px;
        padding: 15px;
        background: #fff;
        border-radius: 8px;
        text-align: center;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        border: 1px solid #e9ecef;
    }
    
    .header-actions {
        display: none;
    }
    
    .burger {
        display: flex;
        margin-right: 20px;
    }
    
    /* Мобильная кнопка Request Demo */
    .mobile-demo-btn {
        width: 100%;
        display: flex;
        justify-content: center;
        display: block;
        border-top: 2px solid #f0f0f0;
        margin-top: 20px;
        padding-top: 20px;
    }
    
    .request-demo-mobile {
        background: linear-gradient(100deg, #814BF6, #6255F6) !important;
        color: #fff !important;
        box-shadow: 0 4px 15px rgba(98, 85, 246, 0.35) !important;
        padding: 16px 30px !important;
        border-radius: 12px !important;
        font-weight: 600 !important;
        font-size: 16px !important;
        border: 1px solid transparent !important;
        transition: all 0.3s ease !important;
        text-decoration: none !important;
        display: block !important;
        cursor: pointer !important;
        text-align: center !important;
        margin: 20px 30px !important;
        justify-content: center !important;
        position: relative;
        overflow: hidden;
    }
    
    .request-demo-mobile::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        transition: left 0.5s ease;
    }
    
    .request-demo-mobile:hover::before {
        left: 100%;
    }
    
    .request-demo-mobile:hover {
        transform: translateY(-2px) !important;
        box-shadow: 0 8px 25px rgba(98, 85, 246, 0.45) !important;
        color: #fff !important;
        text-decoration: none !important;
        background: linear-gradient(100deg, #7a44e8, #5a4de8) !important;
    }
    
    /* Стили для мобильного подменю */
    .products-menu.active .nav-link::after {
        transform: rotate(180deg);
    }
}

@media (max-width: 950px) {
    .nav-list {
        width: 80vw;
        max-width: 320px;
        min-width: 140px;
        box-sizing: border-box;
    }
}

@media (max-width: 600px) {
    .nav-list {
        width: 90vw;
        max-width: 260px;
        min-width: 120px;
        box-sizing: border-box;
    }
}

@media (max-width: 480px) {
    .nav-list {
        width: 95vw;
        max-width: 200px;
        min-width: 100px;
        box-sizing: border-box;
    }
}

@media (max-width: 360px) {
    .nav-list {
        width: 98vw;
        max-width: 160px;
        min-width: 80px;
        box-sizing: border-box;
    }
}

@media (max-width: 320px) {
    .nav-list {
        width: 99vw;
        max-width: 120px;
        min-width: 60px;
        box-sizing: border-box;
    }
}
/* MOBILE NAV DUPLICATE END */

/* Дополнительная адаптация для очень маленьких экранов */
@media (max-width: 480px) {
    .main-header {
        width: 98%;
        padding: 0 12px;
    }
    
    .nav-list {
        width: 200px;
    }
    
    .nav-link {
        padding: 16px 16px;
        font-size: 14px;
    }
    
    .submenu-grid {
        padding: 12px 16px;
    }
    
    .submenu-viewall-plain {
        margin: 12px 16px;
        padding: 10px;
    }
    
    .request-demo-mobile {
        margin: 15px 16px !important;
        padding: 14px 18px !important;
        font-size: 15px !important;
    }
}

/* Адаптация для экстремально маленьких экранов */
@media (max-width: 360px) {
    .nav-list {
        width: 180px;
    }
    
    .nav-link {
        padding: 14px 14px;
        font-size: 13px;
    }
    
    .submenu-grid {
        padding: 10px 14px;
    }
    
    .submenu-viewall-plain {
        margin: 10px 14px;
        padding: 8px;
    }
    
    .request-demo-mobile {
        margin: 12px 14px !important;
        padding: 12px 16px !important;
        font-size: 14px !important;
    }
}

/* Адаптация для очень узких экранов */
@media (max-width: 320px) {
    .nav-list {
        width: 160px;
    }
    
    .nav-link {
        padding: 12px 12px;
        font-size: 12px;
    }
    
    .submenu-grid {
        padding: 8px 12px;
    }
    
    .submenu-viewall-plain {
        margin: 8px 12px;
        padding: 6px;
    }
    
    .request-demo-mobile {
        margin: 10px 12px !important;
        padding: 10px 14px !important;
        font-size: 13px !important;
    }
}

/* ===== АНИМАЦИИ ===== */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* ===== ДОПОЛНИТЕЛЬНЫЕ СТИЛИ ===== */
.main-nav::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: -1;
}

.main-nav.active::before {
    opacity: 1;
    visibility: visible;
}

/* Стили для закрытия меню при клике вне его */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 998;
}

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

.main-header {
    position: relative;
}

/* Удаляю стрелку у Products в мобильном меню */
@media (max-width: 768px) {
    .products-menu .nav-link::after {
        display: none !important;
        content: none !important;
    }
    .products-menu.active .nav-link::after {
        display: none !important;
        content: none !important;
    }
}