/* Main CSS with variables */

:root {
    /* Colors */
    --color-primary: #0df;
    --color-secondary: #9fa;
    --color-background: #262542;
    --color-background-light: rgba(255, 255, 255, 0.05);
    --color-title-bg: #212121;
    --color-text: #bebdbd;
    --color-text-light: #c1c1c1;
    --color-link: #9fa;
    --color-link-hover: #0df;
    --color-accent: #E1B26E;
    --color-dark: #292929;
    --color-calc-bg: #444;
    --color-calc-cost-bg: rgba(255, 255, 255, 0.05);
    
    /* Typography */
    --font-family: 'GOST Common', system-ui, sans-serif;
    --font-size-base: 11px;
    --font-size-h1: 18px;
    --font-size-h2: 14px;
    --font-size-h3: 12px;
    --font-size-menu: 18px;
    --line-height: 1.6;
    
    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 25px;
    --spacing-xl: 30px;
    --spacing-xxl: 50px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 15px;
    --radius-xl: 20px;
    
    /* Backdrop */
    --backdrop-blur: blur(8px);
    --backdrop-blur-light: blur(4px);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.75s ease-in-out;
}

/* Base Styles */
* {
    color: var(--color-text);
    box-sizing: border-box;
}

html, body {
    padding: 0;
    margin: 0;
}

html {
    background-color: var(--color-background);
    background: url("../images/bg01.png") center no-repeat;
    background-size: cover;
    background-attachment: fixed;
}

body {
    font: var(--font-size-base)/var(--line-height) var(--font-family);
    overflow-x: hidden;
}

section {
    height: 100vh;
    min-height: 100vh;
}

/* Layout */
#box_home, #box_home2 {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100%;
    box-sizing: border-box;
}

/* Typography */
h1, h2, h3, h4 {
    margin: 0;
    padding: 0;
}

h1 {
    font-size: var(--font-size-h1);
    color: var(--color-accent);
    font-family: var(--font-family);
    padding-bottom: var(--spacing-sm);
}

h2 {
    font-size: 20px;
    color: var(--color-primary);
    font-weight: normal;
    line-height: 2.0;
}

h3 {
    font-size: 16px;
    font-weight: normal;
    padding-bottom: var(--spacing-sm);
}

/* Links */
a {
    color: var(--color-link);
    font: var(--font-size-base)/var(--line-height) var(--font-family);
    text-decoration: underline;
    transition: color var(--transition-slow);
}

a:hover {
    color: var(--color-link-hover);
    text-decoration: none;
}

/* Images */
img {
    border: 0;
    padding: 0;
    margin: 0;
}

/* Header */
.header {
    display: block;
    background-color: var(--color-background-light);
    backdrop-filter: var(--backdrop-blur);
    height: 73px;
    width: auto;
    margin: var(--spacing-xxl);
    margin-top: 0;
    border-bottom-left-radius: var(--radius-xl);
    border-bottom-right-radius: var(--radius-xl);
}

.header h1 a {
    position: absolute;
    color: var(--color-primary);
    font: 24px var(--font-family);
    text-decoration: none;
    top: 14px;
    left: 75px;
    cursor: pointer;
    transition: color var(--transition-slow);
}

.header h1 a:hover {
    color: var(--color-secondary);
}

.header span {
    position: absolute;
    color: var(--color-text-light);
    font: 12px var(--font-family);
    top: 40px;
    left: 75px;
}

.header img {
    position: absolute;
    top: 16px;
    left: 20px;
}

/* Language Dropdown - top-left corner */
.lang-dropdown {
    position: absolute;
    top: 24px;
    left: 30px;
    z-index: 100;
}

.lang-dropdown select {
    background-color: var(--color-background-light);
    backdrop-filter: var(--backdrop-blur);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
    padding: 5px 10px;
    font: 14px var(--font-family);
    cursor: pointer;
    transition: all var(--transition-normal);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 25px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%230df' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

.lang-dropdown select:hover {
    background-color: rgba(0, 221, 255, 0.1);
}

.lang-dropdown select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 2px rgba(159, 250, 160, 0.3);
}

/* Menu - move to right */
.menu {
    position: absolute;
    top: 24px;
    right: 55px;
    text-align: right;
}

.menu b, .menu a {
    display: inline-block;
    position: relative;
    color: var(--color-primary);
    font: var(--font-size-menu) var(--font-family);
    font-variant: small-caps;
    text-decoration: none;
    padding-right: var(--spacing-sm);
    transition: color var(--transition-slow);
}

.menu a:hover {
    color: var(--color-secondary);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    position: absolute;
    top: 24px;
    right: 20px;
    cursor: pointer;
    z-index: 1000;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 5px 0;
    transition: var(--transition-normal);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-background);
    z-index: 999;
    padding: 80px 20px 20px;
    text-align: center;
}

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

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Language Switcher */
.language-switcher {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 100;
}

.lang-current {
    color: var(--color-primary);
    font: 14px var(--font-family);
    padding: 5px 10px;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
    background-color: var(--color-background-light);
    backdrop-filter: var(--backdrop-blur-light);
}

.lang-option {
    color: var(--color-text);
    font: 14px var(--font-family);
    padding: 5px 10px;
    border: 1px solid var(--color-text);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.lang-option:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Content Areas */
.contentstyle {
    margin-bottom: 1em;
    padding: var(--spacing-xl);
    height: 75vh;
}

.contentstyle2 {
    display: block;
    justify-content: center;
    padding: 0 20px 20px;
}

.contentstyle3 {
    display: inline-flex;
    justify-content: center;
    margin-bottom: 1em;
    padding-bottom: var(--spacing-xl);
    min-height: 100vh;
}

.contentstyle3:has(.bubble-matrix-active),
body:has(.bubble-matrix-active) .contentstyle3 {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
}

.contentstyle4 {
    display: flex;
    justify-content: center;
    padding: var(--spacing-xl);
    min-height: 80vh;
}

/* Animation & Visualization Titles */
.anim, .viztitle {
    background-color: var(--color-title-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin: var(--spacing-lg);
}

/* Video Boxes */
.video-box1 {
    position: relative;
    margin: 0 var(--spacing-lg) var(--spacing-lg);
}

.video-box1 video {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
}

.video-box2 {
    position: relative;
    margin: var(--spacing-lg);
}

.video-box2 video {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
}

.video-content2 {
    position: absolute;
    top: 20px;
    left: 0;
    padding: 0 0 10px 30px;
    z-index: 1;
}

.video-content2 b {
    font-size: 12px;
    color: #fff;
}

/* Contact */
.contact {
    position: absolute;
    top: 20px;
    left: 30px;
}

.contact a {
    text-decoration: none;
    transition: color var(--transition-slow);
}

.contact a:hover {
    color: var(--color-link-hover);
}

/* ========================
   Image Matrix — Bubble Physics
   ======================== */

.pic_block.bubble-matrix-active {
    display: block;
    position: relative;
    width: 100%;
    height: 75vh;
    min-height: 450px;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

@media (max-width: 768px) {
    .pic_block.bubble-matrix-active {
        height: 85vh !important;
        min-height: 600px !important;
    }
}

.pic_block.bubble-matrix-active .tooltip-parent {
    display: none !important;
}

/* Colorbox: показываем навигацию и заголовок */
#colorbox #cboxCurrent {
    display: block !important;
    position: absolute !important;
    bottom: 10px !important;
    left: 14px !important;
    color: #fff !important;
    font-size: 14px !important;
    background: rgba(0,0,0,0.5) !important;
    padding: 4px 14px !important;
    border-radius: 20px !important;
}

#colorbox #cboxPrevious {
    display: block !important;
    position: absolute !important;
    bottom: 10px !important;
    left: 50% !important;
    transform: translateX(-30px) !important;
    color: #fff !important;
    font-size: 20px !important;
    background: rgba(0,0,0,0.5) !important;
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    border: none !important;
    cursor: pointer !important;
}

#colorbox #cboxNext {
    display: block !important;
    position: absolute !important;
    bottom: 10px !important;
    left: 50% !important;
    transform: translateX(30px) !important;
    color: #fff !important;
    font-size: 20px !important;
    background: rgba(0,0,0,0.5) !important;
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    border: none !important;
    cursor: pointer !important;
}

#colorbox #cboxSlideshow {
    display: block !important;
    position: absolute !important;
    bottom: 10px !important;
    right: 80px !important;
    color: #fff !important;
    font-size: 18px !important;
    background: rgba(0,0,0,0.5) !important;
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    border: none !important;
    cursor: pointer !important;
}

#colorbox #cboxClose {
    display: block !important;
    position: absolute !important;
    bottom: 10px !important;
    right: 14px !important;
    color: #fff !important;
    font-size: 14px !important;
    background: rgba(0,0,0,0.5) !important;
    padding: 4px 14px !important;
    border-radius: 20px !important;
    border: none !important;
    cursor: pointer !important;
}

#colorbox #cboxPrevious::before {
    content: '←' !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    font-size: 18px !important;
}

#colorbox #cboxNext::before {
    content: '→' !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    font-size: 18px !important;
}

#colorbox #cboxPrevious {
    text-indent: -9999px !important;
    line-height: 0 !important;
}

#colorbox #cboxNext {
    text-indent: -9999px !important;
    line-height: 0 !important;
}

#colorbox #cboxTitle {
    opacity: 1 !important;
    background: rgba(0, 0, 0, 0.5) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    border-radius: 12px !important;
    padding: 10px 16px !important;
    top: 14px !important;
    left: 14px !important;
    right: auto !important;
    bottom: auto !important;
    width: auto !important;
    max-width: calc(100% - 28px) !important;
    max-height: 150px !important;
    min-height: auto !important;
    overflow: auto !important;
    display: block !important;
    flex-direction: column !important;
    border: none !important;
    color: #fff !important;
    font-size: inherit !important;
    text-align: left !important;
    position: absolute !important;
}

#colorbox #cboxTitle h2 {
    font-size: 18px !important;
    font-weight: 600 !important;
    margin: 0 0 6px 0 !important;
    color: #fff !important;
    line-height: 1.3 !important;
    display: block !important;
    padding: 0 !important;
}

#colorbox #cboxTitle p {
    font-size: 14px !important;
    margin: 0 !important;
    color: rgba(255, 255, 255, 0.8) !important;
    line-height: 1.4 !important;
    display: block !important;
    padding: 0 !important;
}

.bubble-item {
    position: absolute;
    top: 0;
    left: 0;
    will-change: transform, filter, opacity;
    pointer-events: none;
}

.bubble-link {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 10%;
    overflow: hidden;
    text-decoration: none;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.08),
        0 4px 20px rgba(0, 0, 0, 0.3),
        inset 0 0 30px rgba(255, 255, 255, 0.05);
    transition: box-shadow 0.3s ease;
    pointer-events: all;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.bubble-link:hover {
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.15),
        0 8px 40px rgba(0, 0, 0, 0.4),
        inset 0 0 40px rgba(255, 255, 255, 0.08);
}

.bubble-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 10%;
}

.bubble-tooltip {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #fff;
    font-size: 12px;
    padding: 5px 14px;
    border-radius: 20px;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateX(-50%) translateY(5px);
}

.bubble-item:hover .bubble-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
    .bubble-item {
        /* Размеры задаются через JS, не переопределяем */
    }
}

/* Tooltip */
.tooltip-parent {
    position: relative;
    display: inline-block;
    vertical-align: top;
    margin: 0;
    padding: 0;
    z-index: 1;
    line-height: 0;
}

.tooltip-parent .a_pic {
    display: block;
    line-height: 0;
    text-decoration: none;
}

.tooltip-box {
    position: absolute;
    bottom: 10px;
    left: 10px;
    max-width: calc(100% - 20px);
    background: rgba(15, 15, 15, 0.65);
    padding: 4px 10px;
    border-radius: var(--radius-md);
    font-size: 12px;
    line-height: 18px;
    color: #fff;
    backdrop-filter: var(--backdrop-blur-light);
    z-index: 10;
    pointer-events: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.noselect {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Footer */
.footer {
    display: block;
    height: 60px;
    width: auto;
    background-color: transparent;
    text-align: center;
    padding: 20px;
    font-size: 11px;
    margin: var(--spacing-xxl);
    margin-bottom: 0;
    border-top-left-radius: var(--radius-xl);
    border-top-right-radius: var(--radius-xl);
}

.footer p {
    opacity: 0.95;
}

/* FAQ */
.faq {
    position: relative;
    width: 720px;
    margin: 5% auto 10%;
}

.question {
    position: relative;
    display: block;
    font: 18px var(--font-family);
    color: var(--color-primary);
    cursor: pointer;
    background-color: var(--color-calc-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    padding-left: 20px;
}

.answer {
    text-indent: var(--spacing-lg);
    font: 16px var(--font-family);
    line-height: 26px;
    position: relative;
    border-radius: var(--radius-md);
    border: 0;
    background-color: #555;
    padding: 20px;
    margin-bottom: var(--spacing-sm);
    margin-left: 35px;
    display: block;
}

/* Services */
.uslugi {
    position: relative;
    width: 720px;
    min-height: 100vh;
    margin: auto;
}

.uslugi-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
}

.uslugi-item-image {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
}

.uslugi-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uslugi-item-content {
    flex: 1;
    min-width: 0;
}

.uslugi-item-name {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 10px 0;
    color: var(--color-primary);
}

.uslugi-item-description {
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
    color: var(--color-text);
}

/* RAL Table */
.table {
    border: 0;
    font: 14px var(--font-family);
    text-align: center;
    border-spacing: var(--spacing-sm);
    width: 100%;
}

.subTable {
    font: 14px var(--font-family);
    text-align: center;
    border-radius: var(--radius-md);
    border-collapse: separate;
    width: 200px;
}

.LU {
    text-align: left;
    border: 0;
    padding: 0;
}

.RT {
    text-align: left;
    padding: 14px;
    border-style: none;
    white-space: nowrap;
    border-radius: var(--radius-lg);
    width: 70%;
}

/* Responsive */
@media screen and (max-width: 1080px) {
    .menu { display: none; }
    .mobile-menu-btn { display: block; }

    .lang-dropdown {
        position: relative;
        top: auto;
        left: auto;
        text-align: center;
        margin: 10px 0;
    }

    .header {
        height: auto;
        padding: 15px 0;
        margin: var(--spacing-md);
        text-align: center;
    }

    .header h1 { margin: 0; }
    .header h1 a {
        position: relative;
        top: auto;
        left: auto;
    }
    .header span {
        position: relative;
        top: auto;
        left: auto;
    }
    .header img {
        position: relative;
        top: auto;
        left: auto;
        margin-bottom: 10px;
    }

    /* Mobile menu */
    .mobile-menu-btn {
        position: fixed;
        top: 15px;
        right: 15px;
        z-index: 1001;
    }

    .mobile-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(38, 37, 66, 0.98);
        z-index: 1000;
        padding: 80px 20px 20px;
        overflow-y: auto;
    }

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

    .mobile-menu b,
    .mobile-menu a {
        display: block;
        padding: 15px 20px;
        font-size: 18px;
        text-align: left;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .pic_block .tooltip-parent {
        margin: 10px;
    }

    .pic_block img {
        width: calc(100% - 0px);
        min-width: auto;
    }

    .faq, .uslugi {
        width: 100%;
        margin: 20px auto;
    }

    .anim, .viztitle {
        margin: 15px;
    }

    .video-box1, .video-box2 {
        margin: 15px;
    }

    .contact {
        position: relative;
        top: auto;
        left: auto;
        text-align: center;
        margin: 20px;
    }
}

@media screen and (max-width: 768px) {
    .pic_block img {
        width: calc(50% - 20px);
    }

    .tooltip-box {
        bottom: 8px;
        left: 8px;
        max-width: calc(100% - 16px);
    }

    .footer {
        margin: 20px;
    }
}

@media screen and (max-width: 480px) {
    .header {
        margin: 10px;
    }

    .pic_block .tooltip-parent {
        margin: 8px;
    }

    .pic_block img {
        width: 100%;
    }

    .tooltip-box {
        bottom: 6px;
        left: 6px;
        max-width: calc(100% - 12px);
    }

    .question, .answer {
        font-size: 14px;
    }

    .uslugi-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .uslugi-item-image {
        width: 160px;
        height: 160px;
    }
}