/* ============================================================
   ШРИФТЫ
   ============================================================ */

@font-face {
    font-family: 'Tektur';
    src: url('../fonts/Tektur-Regular.ttf') format('truetype');
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Tektur';
    src: url('../fonts/Tektur-Medium.ttf') format('truetype');
    font-weight: 500;
    font-display: swap;
}

@font-face {
    font-family: 'Tektur';
    src: url('../fonts/Tektur-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-display: swap;
}

@font-face {
    font-family: 'Tektur';
    src: url('../fonts/Tektur-Bold.ttf') format('truetype');
    font-weight: 700;
    font-display: swap;
}

@font-face {
    font-family: 'Tektur';
    src: url('../fonts/Tektur-ExtraBold.ttf') format('truetype');
    font-weight: 800;
    font-display: swap;
}

@font-face {
    font-family: 'Tektur';
    src: url('../fonts/Tektur-Black.ttf') format('truetype');
    font-weight: 900;
    font-display: swap;
}

/* ============================================================
   БАЗОВЫЕ СТИЛИ
   ============================================================ */

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

html {
    height: 100%;
}

body {
    background-color: #184061;
    color: #fff;
    font-family: 'Tektur', sans-serif;
    overflow: hidden;
    height: 100vh;
}

/* ============================================================
   MATRIX CANVAS (ФОН)
   ============================================================ */

#matrixCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: block;
}

/* ============================================================
   SCROLL CONTAINER
   ============================================================ */

.scroll-container {
    position: relative;
    z-index: 10;
    height: 100vh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.scroll-container::-webkit-scrollbar {
    display: none;
}

/* ============================================================
   СЛАЙДЫ
   ============================================================ */

.slide {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    scroll-snap-align: start;
    padding: 20px;
}

.slide-content {
    padding-bottom: 150px;
}

/* ============================================================
   КАРТОЧКИ
   ============================================================ */

.content-card {
    background: transparent;
    border: 2px solid #00ffff;
    border-radius: 40px;
    padding: 25px 20px;
    max-width: 480px;
    width: 90%;
    text-align: center;
    box-shadow: inset 0 0 80px rgba(4, 8, 20, 0.9), 0 0 40px rgba(0, 255, 255, 0.5);
    transition: transform 0.2s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.text-card {
    background-color: #04141f;
    border: 2px solid #00ffff;
    box-shadow: inset 0 0 80px rgba(0, 255, 255, 0.05), 0 0 40px rgba(0, 255, 255, 0.4);
}

/* ============================================================
   ВИДЕО
   ============================================================ */

.cow-video {
    width: 100%;
    height: auto;
    border-radius: 30px;
    display: block;
    border: none;
    box-shadow: none;
    pointer-events: none;
    animation: emerge 4s ease-in-out infinite alternate;
}

@keyframes emerge {
    0% {
        transform: scale(1);
        opacity: 0.85;
    }
    100% {
        transform: scale(1.04);
        opacity: 1;
    }
}

/* ============================================================
   ЗАГОЛОВКИ И ТЕКСТ
   ============================================================ */

.slide-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #00ffff;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.5), 0 0 40px rgba(0, 255, 255, 0.2);
    letter-spacing: 2px;
    margin-bottom: 16px;
    font-family: 'Tektur', sans-serif;
    flex-shrink: 0;
}

.slide-text {
    font-size: 0.9rem;
    color: #e0f0ff;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.2);
    line-height: 1.7;
    opacity: 0.9;
    letter-spacing: 0.5px;
    font-family: 'Tektur', sans-serif;
    text-align: justify;
    flex-shrink: 0;
}

.slide-text strong {
    color: #ffffff;
    text-shadow: 0 0 12px #00ffff;
}

.slide-text.justify {
    text-align: justify;
}

/* ============================================================
   РАЗДЕЛИТЕЛЬ
   ============================================================ */

.divider {
    width: 60%;
    height: 1px;
    margin: 16px auto;
    background: linear-gradient(90deg, transparent, #00ffff, transparent);
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.3);
    flex-shrink: 0;
}

/* ============================================================
   ПЕРЕКЛЮЧАТЕЛЬ ЯЗЫКА
   ============================================================ */

.lang-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 30;
    display: flex;
    gap: 10px;
    background: rgba(4, 8, 20, 0.6);
    backdrop-filter: blur(6px);
    padding: 8px 12px;
    border-radius: 30px;
    border: 1px solid rgba(0, 255, 255, 0.3);
    font-family: 'Tektur', sans-serif;
    font-size: 0.8rem;
}

.lang-btn {
    background: transparent;
    border: none;
    color: #e0f0ff;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 20px;
    transition: 0.3s;
    font-family: 'Tektur', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
    opacity: 0.5;
}

.lang-btn.active {
    background: #00ffff;
    color: #04141f;
    opacity: 1;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.lang-btn:hover:not(.active) {
    opacity: 0.9;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.lang-ru,
.lang-en {
    display: none;
}

.lang-ru.active,
.lang-en.active {
    display: block;
}

/* ============================================================
   НАВИГАЦИОННЫЕ СТРЕЛКИ
   ============================================================ */

.nav-arrows {
    position: fixed;
    bottom: 6rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    z-index: 25;
    pointer-events: none;
}

.nav-btn {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(0, 255, 255, 0.12);
    border: 2px solid #00ffff;
    color: #00ffff;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.3s ease, transform 0.3s ease, width 0.3s ease, margin 0.3s ease, border 0.3s ease;
    backdrop-filter: blur(4px);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.15);
    line-height: 1;
    user-select: none;
    pointer-events: auto;
    overflow: hidden;
}

.nav-btn.hidden {
    opacity: 0;
    width: 0;
    margin: 0;
    border: 0;
    padding: 0;
    pointer-events: none;
    transform: scale(0);
}

.nav-btn:hover:not(.hidden) {
    background: rgba(0, 255, 255, 0.3);
    box-shadow: 0 0 35px rgba(0, 255, 255, 0.4);
    transform: scale(1.05);
}

.nav-btn .arrow {
    display: inline-block;
}

.nav-btn .arrow-down {
    animation: bounceDown 2s infinite;
}

.nav-btn .arrow-up {
    animation: bounceUp 2s infinite;
}

@keyframes bounceDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(6px);
    }
}

@keyframes bounceUp {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}

/* ============================================================
   ФУТЕР
   ============================================================ */

.footer-credits {
    position: fixed;
    bottom: 25px;
    left: 0;
    width: 100%;
    text-align: center;
    font-family: 'Tektur', sans-serif;
    font-size: 0.9rem;
    color: #e0f0ff;
    z-index: 20;
    letter-spacing: 3px;
    background: rgba(4, 8, 20, 0.3);
    padding: 12px 0;
    backdrop-filter: blur(4px);
    border-top: 1px solid rgba(0, 255, 255, 0.1);
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px 12px;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 16px;
}

.footer-credits .highlight {
    color: #00ffff;
}

.footer-credits .separator {
    color: rgba(255, 255, 255, 0.2);
    font-weight: 300;
    user-select: none;
}

.footer-link {
    color: #00ffff;
    text-decoration: none;
    transition: 0.3s;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 3px;
}

.footer-link:hover {
    text-shadow: 0 0 15px #00ffff;
}

/* Иконки в футере */
.footer-icons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
}

.footer-icon-link:hover {
    background: rgba(0, 255, 255, 0.15);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.footer-icon {
    width: 25px;
    height: 25px;
    display: block;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    filter: brightness(0) invert(1);
}

.footer-icon-link:hover .footer-icon {
    opacity: 1;
}

/* Подсказки (tooltips) для иконок */
.footer-icon-link[title] {
    position: relative;
}

.footer-icon-link[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.6rem;
    font-family: 'Tektur', sans-serif;
    letter-spacing: 1px;
    white-space: nowrap;
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    pointer-events: none;
    z-index: 100;
}

.footer-icon-link[title]:hover::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid rgba(0, 255, 255, 0.2);
    pointer-events: none;
    z-index: 100;
}

/* ============================================================
   GATE DESCRIPTION (AMBAR)
   ============================================================ */

.gate-description {
    text-align: left;
    font-size: 0.8rem;
    line-height: 1.8;
    color: #e0f0ff;
    max-height: 60vh;
    overflow-y: auto;
    padding-right: 10px;
    scrollbar-width: thin;
    scrollbar-color: #00ffff transparent;
}

.gate-description::-webkit-scrollbar {
    width: 4px;
}

.gate-description::-webkit-scrollbar-track {
    background: transparent;
}

.gate-description::-webkit-scrollbar-thumb {
    background: #00ffff;
    border-radius: 10px;
}

.gate-description .highlight {
    color: #00ffff;
    font-weight: 600;
}

.gate-description .step {
    display: block;
    margin: 8px 0 8px 20px;
    padding-left: 12px;
    border-left: 2px solid rgba(0, 255, 255, 0.3);
}

.gate-description .example {
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.15);
    border-radius: 12px;
    padding: 12px 16px;
    margin: 10px 0;
    font-family: 'Tektur', monospace;
    font-size: 0.7rem;
    color: #aaddff;
}

.gate-description .messenger-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 8px 0;
}

.gate-description .messenger-tag {
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2px 12px;
    font-size: 0.6rem;
    color: #00ffff;
    letter-spacing: 0.5px;
}

.gate-description .messenger-tag.active {
    background: rgba(0, 255, 255, 0.2);
    border-color: #00ffff;
    color: #ffffff;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.15);
}

.gate-description .messenger-tag.testing {
    opacity: 0.5;
    border-color: rgba(0, 255, 255, 0.1);
}

.gate-description .rule-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin: 6px 0;
    padding: 8px 10px;
    background: rgba(0, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px dashed rgba(0, 255, 255, 0.15);
}

.gate-description .rule-diagram .node {
    background: rgba(0, 255, 255, 0.08);
    padding: 4px 12px;
    border-radius: 10px;
    font-size: 0.65rem;
    color: #00ffff;
    border: 1px solid rgba(0, 255, 255, 0.15);
    white-space: nowrap;
}

.gate-description .rule-diagram .arrow-sym {
    color: #00ffff;
    font-size: 1rem;
    opacity: 0.5;
}

.gate-description .section-label {
    color: #88ccff;
    font-size: 0.7rem;
    letter-spacing: 1px;
    margin-top: 10px;
    margin-bottom: 4px;
}

.gate-description .note {
    background: rgba(0, 255, 255, 0.04);
    border-left: 3px solid #00ffff;
    padding: 8px 12px;
    border-radius: 8px;
    margin: 8px 0;
    font-size: 0.75rem;
}

.gate-animation {
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 255, 255, 0.1);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 255, 255, 0.25);
    }
}

/* ============================================================
   FLOW SVG (AMBAR)
   ============================================================ */

.flow-svg {
    width: 100%;
    max-width: 400px;
    height: 60px;
    margin: 8px auto;
    display: block;
}

.flow-svg .line-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: flowLine 4s linear infinite;
}

@keyframes flowLine {
    0% {
        stroke-dashoffset: 1000;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

/* ============================================================
   СЦЕНАРИИ (MAX-TELEGRAM)
   ============================================================ */

.scenario-block {
    padding: 14px 0;
    margin: 12px 0 16px 0;
}

.scenario-block .scenario-title {
    color: #00ffff;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.scenario-block .scenario-text {
    font-size: 0.85rem;
    line-height: 1.7;
    color: rgb(224, 240, 255);
    text-align: justify;
}

.scenario-block .scenario-text .hl {
    color: rgb(255, 224, 160);
    font-weight: 300;
}

.scenario-list {
    list-style: none;
    margin: 6px 0 6px 14px;
    font-size: 0.8rem;
    color: rgb(224, 240, 255);
}

.scenario-list li {
    margin: 4px 0;
}

.scenario-list li::before {
    content: "✓ ";
    color: rgb(255, 224, 160);
}

.single-scenario-card {
    max-width: 560px;
}

.single-scenario-card .scenario-block {
    margin: 0;
}

.single-scenario-card .scenario-text {
    font-size: 0.9rem;
}

/* ============================================================
   МАРШРУТЫ (ROUTES)
   ============================================================ */

.routes-group {
    margin: 10px 0;
    padding: 8px 12px;
    background: rgba(0, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.06);
}

.routes-group-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #88ccff;
    margin-bottom: 6px;
    text-align: center;
    opacity: 0.7;
}

.route-row {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px 12px;
    padding: 4px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: background 0.2s ease;
    cursor: default;
}

.route-row:last-child {
    border-bottom: none;
}

.route-row:hover {
    background: rgba(0, 255, 255, 0.04);
}

.route-source {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 2px 10px;
    border-radius: 6px;
    background: rgba(0, 255, 255, 0.08);
    border-left: 3px solid #00ffff;
    color: #e0f0ff;
    transition: all 0.2s ease;
}

.route-dest {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 2px 10px;
    border-radius: 6px;
    background: rgba(255, 170, 0, 0.08);
    border-left: 3px solid #ffaa00;
    color: #ffe0a0;
    transition: all 0.2s ease;
}

.route-arrow {
    color: #ffffff;
    opacity: 0.3;
    font-weight: 300;
    font-size: 0.9rem;
    margin: 0 2px;
    transition: color 0.4s ease, text-shadow 0.4s ease;
}

.route-row:hover .route-arrow {
    color: #00ffff;
    text-shadow: 0 0 12px #00ffff, 0 0 24px #00ffff, 0 0 36px rgba(0, 255, 255, 0.3);
    opacity: 1;
}

/* ============================================================
   АККОРДЕОН
   ============================================================ */

.accordion {
    flex: 1 1 auto;
    min-height: 0;
    height: auto;
    max-height: 100%;
    overflow-y: auto;
    padding-right: 5px;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: #00ffff transparent;
    -webkit-overflow-scrolling: touch;
}

.accordion::-webkit-scrollbar {
    width: 4px;
}

.accordion::-webkit-scrollbar-track {
    background: transparent;
}

.accordion::-webkit-scrollbar-thumb {
    background: #00ffff;
    border-radius: 10px;
}

.accordion details {
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 12px;
    margin-bottom: 10px;
    overflow: hidden;
    text-align: left;
    transition: border 0.3s;
}

.accordion details[open] {
    border-color: #00ffff;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
}

.accordion summary {
    cursor: pointer;
    padding: 15px;
    font-weight: 300;
    color: #00ffff;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.accordion summary:hover {
    background: rgba(0, 255, 255, 0.1);
}

.accordion summary::after {
    content: '+';
    font-size: 1.5rem;
    line-height: 1;
    color: #00ffff;
    transition: transform 0.3s;
}

.accordion details[open] summary::after {
    content: '-';
}

.accordion-content {
    padding: 0 15px 15px;
    font-size: 0.85rem;
    line-height: 1.7;
    color: rgb(224, 240, 255);
    background: rgba(255, 255, 255, 0.02);
}

.accordion-content a {
    color: #00ffff;
    text-decoration: underline;
}

.accordion-content a:hover {
    text-shadow: 0 0 15px #00ffff;
}

.accordion-content .hl {
    color: rgb(255, 224, 160);
    font-weight: 300;
}

/* Специфичные стили для блока Шаг 0 (оранжевый цвет) */
.accordion-content .step0-accent {
    color: rgb(255, 224, 160);
    font-weight: 300;
}

.accordion-content .step0-title {
    color: rgb(255, 224, 160);
    font-weight: 300;
}

/* Стили для акцентных элементов в Шаге 1 */
.accordion-content .step1-accent {
    color: rgb(255, 224, 160);
    font-weight: 300;
    font-size: 0.85rem;
}

/* Стили для списков в аккордеоне без маркеров */
.accordion-content ul {
    list-style: none;
    padding-left: 0;
    margin: 0 0 10px 0;
    font-size: 0.8rem;
    line-height: 1.6;
}

.accordion-content ul li {
    margin-bottom: 4px;
}

.accordion-content ul li a {
    color: #00ffff;
    text-decoration: underline;
}

/* Стили для элементов с классом .accent-item в Шаге 1 */
.accordion-content .accent-item {
    color: rgb(255, 224, 160);
    font-weight: 300;
}

/* ============================================================
   СНОСКИ В АККОРДЕОНЕ (внутри .accordion, под всеми details)
   ============================================================ */

.accordion-footnote {
    margin-top: 14px;
    padding: 10px 14px;
    background: rgba(0, 255, 255, 0.04);
    border: 1px solid rgba(0, 255, 255, 0.12);
    border-radius: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.75rem;
    line-height: 1.6;
    color: #c8e0f5;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.accordion-footnote:hover {
    border-color: rgba(0, 255, 255, 0.3);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.05);
}

/* Альтернативная сноска (вторая) - чуть другой оттенок */
.accordion-footnote-alt {
    background: rgba(255, 224, 160, 0.04);
    border-color: rgba(255, 224, 160, 0.15);
}

.accordion-footnote-alt:hover {
    border-color: rgba(255, 224, 160, 0.3);
    box-shadow: 0 0 20px rgba(255, 224, 160, 0.05);
}

.accordion-footnote-alt .footnote-icon {
    color: #ffe0a0;
    opacity: 0.7;
}

.accordion-footnote-alt .footnote-highlight {
    color: #00ffff;
    text-shadow: 0 0 12px rgba(0, 255, 255, 0.15);
}

.footnote-icon {
    flex-shrink: 0;
    font-size: 1rem;
    color: #00ffff;
    opacity: 0.6;
    margin-top: 1px;
    font-weight: 300;
}

.footnote-text {
    font-weight: 300;
    letter-spacing: 0.3px;
    text-align: left;
    font-size: .8rem;
}

.footnote-highlight {
    color: rgb(255, 224, 160);
    font-weight: 400;
    text-shadow: 0 0 12px rgba(255, 224, 160, 0.15);
}

/* ============================================================
   ГАЛЕРЕЯ СКРИНШОТОВ
   ============================================================ */

.screenshot-gallery {
    display: flex;
    gap: 12px;
    margin: 12px 0 16px 0;
    justify-content: center;
    flex-wrap: wrap;
}

.screenshot-item {
    position: relative;
    width: calc(50% - 6px);
    max-width: 160px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(0, 255, 255, 0.15);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    background: rgba(0, 255, 255, 0.03);
}

.screenshot-item:hover {
    transform: scale(1.03);
    border-color: rgba(0, 255, 255, 0.4);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.1);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 887 / 1920;
    object-fit: cover;
}

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 8, 20, 0.5);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.screenshot-item:hover .screenshot-overlay {
    opacity: 1;
}

.zoom-icon {
    font-size: 1.8rem;
    color: #00ffff;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
    margin-bottom: 4px;
}

.screenshot-label {
    font-size: 0.6rem;
    color: #e0f0ff;
    letter-spacing: 0.5px;
    text-align: center;
    padding: 0 6px;
    font-weight: 300;
}

/* ============================================================
   МОДАЛЬНОЕ ОКНО
   ============================================================ */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 8, 20, 0.92);
    backdrop-filter: blur(10px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    background: rgba(0, 255, 255, 0.03);
    border: 1px solid rgba(0, 255, 255, 0.15);
    border-radius: 16px;
    padding: 8px;
    box-shadow: 0 0 60px rgba(0, 255, 255, 0.08);
}

.modal-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 10px;
    display: block;
}

.modal-close {
    position: absolute;
    top: -14px;
    right: -14px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 255, 255, 0.15);
    border: 1px solid rgba(0, 255, 255, 0.3);
    color: #00ffff;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    font-family: 'Tektur', sans-serif;
}

.modal-close:hover {
    background: rgba(0, 255, 255, 0.3);
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

/* Мобильные адаптации для галереи */
@media (max-width: 600px) {
    .screenshot-item {
        width: calc(50% - 6px);
        max-width: 130px;
    }

    .screenshot-label {
        font-size: 0.5rem;
    }

    .zoom-icon {
        font-size: 1.4rem;
    }

    .modal-content {
        max-width: 95%;
        padding: 4px;
    }

    .modal-close {
        width: 34px;
        height: 34px;
        font-size: 1.2rem;
        top: -12px;
        right: -12px;
    }
}

@media (max-width: 480px) {
    .screenshot-item {
        width: 100%;
        max-width: 160px;
    }

    .screenshot-gallery {
        gap: 10px;
    }
}

/* ============================================================
   ВИДЕО-ГАЛЕРЕЯ
   ============================================================ */

.video-gallery {
    display: flex;
    gap: 12px;
    margin: 12px 0 16px 0;
    justify-content: center;
    flex-wrap: wrap;
}

.video-item {
    position: relative;
    width: calc(50% - 6px);
    max-width: 160px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(0, 255, 255, 0.15);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    background: rgba(0, 255, 255, 0.03);
}

.video-item:hover {
    transform: scale(1.03);
    border-color: rgba(0, 255, 255, 0.4);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.1);
}

.video-thumb {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 9 / 16;
    object-fit: cover;
    background: #0a1a2a;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 8, 20, 0.5);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: background 0.3s ease;
    pointer-events: none;
}

.video-item:hover .video-overlay {
    background: rgba(4, 8, 20, 0.3);
}

.play-icon {
    font-size: 2.4rem;
    color: #00ffff;
    text-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
    margin-bottom: 4px;
    transition: transform 0.3s ease;
}

.video-item:hover .play-icon {
    transform: scale(1.15);
}

.video-label {
    font-size: 0.6rem;
    color: #e0f0ff;
    letter-spacing: 0.5px;
    text-align: center;
    padding: 0 6px;
    font-weight: 300;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
}

/* ============================================================
   МОДАЛЬНОЕ ОКНО ДЛЯ ВИДЕО
   ============================================================ */

.modal-overlay-video {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 8, 20, 0.92);
    backdrop-filter: blur(10px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay-video.active {
    display: flex;
    opacity: 1;
}

.modal-content-video {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    background: rgba(0, 255, 255, 0.03);
    border: 1px solid rgba(0, 255, 255, 0.15);
    border-radius: 16px;
    padding: 8px;
    box-shadow: 0 0 60px rgba(0, 255, 255, 0.08);
}

.modal-content-video video {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 10px;
    display: block;
}

.modal-close-video {
    position: absolute;
    top: -14px;
    right: -14px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 255, 255, 0.15);
    border: 1px solid rgba(0, 255, 255, 0.3);
    color: #00ffff;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    font-family: 'Tektur', sans-serif;
}

.modal-close-video:hover {
    background: rgba(0, 255, 255, 0.3);
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

/* Мобильные адаптации для видео */
@media (max-width: 600px) {
    .video-item {
        width: calc(50% - 6px);
        max-width: 130px;
    }

    .video-label {
        font-size: 0.5rem;
    }

    .play-icon {
        font-size: 1.8rem;
    }

    .modal-content-video {
        max-width: 95%;
        padding: 4px;
    }

    .modal-close-video {
        width: 34px;
        height: 34px;
        font-size: 1.2rem;
        top: -12px;
        right: -12px;
    }
}

@media (max-width: 480px) {
    .video-item {
        width: 100%;
        max-width: 160px;
    }

    .video-gallery {
        gap: 10px;
    }
}

/* ============================================================
   ВИДЕО (ОДИНОЧНОЕ, 16:9)
   ============================================================ */

.video-single {
    display: flex;
    justify-content: center;
    margin: 12px 0 16px 0;
}

.video-item-single {
    position: relative;
    width: 100%;
    max-width: 560px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(0, 255, 255, 0.15);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    background: rgba(0, 255, 255, 0.03);
}

.video-item-single:hover {
    transform: scale(1.02);
    border-color: rgba(0, 255, 255, 0.4);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.1);
}

.video-thumb-single {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: #0a1a2a;
}

.video-overlay-single {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 8, 20, 0.5);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: background 0.3s ease;
    pointer-events: none;
}

.video-item-single:hover .video-overlay-single {
    background: rgba(4, 8, 20, 0.3);
}

.video-item-single:hover .play-icon {
    transform: scale(1.15);
}

.video-overlay-single .play-icon {
    font-size: 3rem;
    color: #00ffff;
    text-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
    margin-bottom: 8px;
    transition: transform 0.3s ease;
}

.video-overlay-single .video-label {
    font-size: 0.8rem;
    color: #e0f0ff;
    letter-spacing: 0.5px;
    text-align: center;
    padding: 0 10px;
    font-weight: 300;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
}

/* Мобильные адаптации для одиночного видео */
@media (max-width: 600px) {
    .video-overlay-single .play-icon {
        font-size: 2.4rem;
    }

    .video-overlay-single .video-label {
        font-size: 0.7rem;
    }

    .video-item-single {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .video-overlay-single .play-icon {
        font-size: 2rem;
    }

    .video-overlay-single .video-label {
        font-size: 0.6rem;
    }
}

/* ============================================================
   ВИДЕО-ГАЛЕРЕЯ (ПРИМЕРЫ РАБОТЫ ПРАВИЛА)
   ============================================================ */

.video-gallery-work {
    display: flex;
    gap: 12px;
    margin: 12px 0 0 0;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
}

.video-item-work {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(0, 255, 255, 0.15);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    background: rgba(0, 255, 255, 0.03);
    flex: 0 1 auto;
    display: flex;
    flex-direction: column;
}

.video-item-work:hover {
    transform: scale(1.03);
    border-color: rgba(0, 255, 255, 0.4);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.1);
}

/* Горизонтальное видео (16:9) - задаёт высоту ряда */
.video-item-work:first-child {
    width: auto;
    max-width: 400px;
    flex: 0 1 auto;
}

.video-thumb-work {
    width: 100%;
    height: auto;
    display: block;
    background: #0a1a2a;
}

/* Горизонтальное видео (16:9) */
.video-item-work:first-child .video-thumb-work {
    aspect-ratio: 16 / 9;
    max-height: 280px;
}

/* Вертикальное видео (9:16) - подстраивается под высоту горизонтального */
.video-item-work:last-child {
    width: auto;
    max-width: 160px;
    flex: 0 1 auto;
}

.video-item-work:last-child .video-thumb-work {
    aspect-ratio: 9 / 16;
    height: 100%;
    max-height: 280px;
    width: auto;
    object-fit: cover;
}

.video-overlay-work {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 8, 20, 0.5);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: background 0.3s ease;
    pointer-events: none;
}

.video-item-work:hover .video-overlay-work {
    background: rgba(4, 8, 20, 0.3);
}

.video-item-work:hover .play-icon {
    transform: scale(1.15);
}

.video-overlay-work .play-icon {
    font-size: 2.8rem;
    color: #00ffff;
    text-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
    margin-bottom: 6px;
    transition: transform 0.3s ease;
}

.video-overlay-work .video-label {
    font-size: 0.7rem;
    color: #e0f0ff;
    letter-spacing: 0.5px;
    text-align: center;
    padding: 0 8px;
    font-weight: 300;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
}

/* Мобильные адаптации для видео-галереи работы правила */
@media (max-width: 600px) {
    .video-gallery-work {
        gap: 10px;
        flex-direction: column;
        align-items: center;
    }

    .video-item-work:first-child {
        max-width: 100%;
        width: 100%;
    }

    .video-item-work:first-child .video-thumb-work {
        max-height: none;
        aspect-ratio: 16 / 9;
    }

    .video-item-work:last-child {
        max-width: 160px;
        width: auto;
    }

    .video-item-work:last-child .video-thumb-work {
        max-height: 260px;
        height: auto;
        width: 100%;
        aspect-ratio: 9 / 16;
    }

    .video-overlay-work .play-icon {
        font-size: 2rem;
    }

    .video-overlay-work .video-label {
        font-size: 0.6rem;
    }
}

@media (max-width: 480px) {
    .video-gallery-work {
        gap: 8px;
    }

    .video-item-work:first-child {
        max-width: 100%;
    }

    .video-item-work:last-child {
        max-width: 140px;
    }

    .video-item-work:last-child .video-thumb-work {
        max-height: 220px;
    }

    .video-overlay-work .play-icon {
        font-size: 1.6rem;
    }

    .video-overlay-work .video-label {
        font-size: 0.5rem;
    }
}

/* ============================================================
   ЯКОРЯ (HELP)
   ============================================================ */

.anchor-offset {
    display: block;
    position: relative;
    top: -20px;
    visibility: hidden;
}

.toc-link {
    color: #00ffff;
    text-decoration: none;
    border-bottom: 1px dashed rgba(0, 255, 255, 0.2);
    transition: 0.2s;
    cursor: pointer;
}

.toc-link:hover {
    color: #ffffff;
    border-bottom-color: #00ffff;
    text-shadow: 0 0 12px #00ffff;
}

/* ============================================================
   ФОРМА (TTM)
   ============================================================ */

#form.ttm-form {
    box-shadow: 0 25px 40px -12px rgba(0, 0, 0, 0.2);
    border-radius: 30px;
}

#form.ttm-form .ttm-section * {
    padding: 2px;
    font-size: 1rem;
    font-weight: 300;
    font-family: 'Tektur', sans-serif;
}

#form.ttm-form .ttm-section .ttm-fieldTitle {
    height: auto;
    text-align: left;
    padding-left: 1rem;
}

#form.ttm-form .ttm-section .ttm-fieldValue {
    height: auto;
}

#form.ttm-form .ttm-section .ttm-fieldCell {
    margin: 0 auto;
}

.ttm-form .ttm-cellValueWrapper {
    padding: 0;
    min-height: 0;
}

.ttm-form .ttm-tableText {
    text-align: center;
    margin: 0px;
    padding: 0px;
}

.MuiInputBase-root {
    font-size: 1.2em;
    height: 3em;
}

.ttm-form .ttm-fieldCell .ttm-fieldTitle .ttm-fieldTitleInner {
    font-size: 1rem;
    font-weight: 300;
    font-family: 'Tektur', sans-serif;
}

.ttm-form .ttm-tableTitle {
    text-align: center;
    padding: 0px;
}

.MuiInputBase-input {
    margin: 10px;
}

.ttm-form .ttm-fieldValue {
    padding: 0px !important;
}

.ttm-form .ttm-help,
.ttm-form .ttm-format-text {
    margin-top: -0.9em;
    margin-left: 10px;
}

.MuiOutlinedInput-root,
.MuiButton-root {
    border-radius: 10px;
}

.ttm-fieldCell[data-field-name="__save"] .ttm-fieldTitleInner,
.ttm-fieldCell[data-field-type="checkbox"] .ttm-fieldTitle,
.ttm-fieldCell[data-field-name="soglasie"] .ttm-fieldTitleInner {
    display: none;
}

.ttm-form .ttm-fieldCell[data-field-type="checkbox"] {
    display: inline-flex;
}

.ttm-form .ttm-fieldCell[data-field-type="checkbox"] .ttm-format-text {
    margin-top: 1em;
    margin-left: 0px;
}

.MuiInputBase-input.MuiOutlinedInput-input.MuiInputBase-inputAdornedStart.MuiOutlinedInput-inputAdornedStart.MuiInputBase-inputMarginDense.MuiOutlinedInput-inputMarginDense {
    color: #e0f0ff !important;
    text-indent: .5rem;
}

.ttm-form .PrivateNotchedOutline-root-1.MuiOutlinedInput-notchedOutline {
    border: 2px solid #00ffff;
    background-color: rgba(255, 255, 255, 0.1) !important;
}

.ttm-form .ttm-tableTitle {
    color: #00ffff !important;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.5), 0 0 20px rgba(0, 255, 255, 0.2);
    font-weight: 400;
    font-family: 'Tektur', sans-serif !important;
    font-size: 1.3rem !important;
}

.ttm-form .ttm-fieldTitleInner {
    color: #e0f0ff !important;
}

.ttm-form {
    font-size: 16px;
    color: #fff;
    font-family: 'Tektur', sans-serif;
    margin: 0;
    box-sizing: border-box;
    background: transparent;
    border-radius: 40px;
    transition: transform 0.2s;
    background-color: #04141f !important;
    box-shadow: inset 0 0 80px rgba(0, 255, 255, 0.05), 0 0 40px rgba(0, 255, 255, 0.4);
}

.MuiButtonBase-root.MuiButton-root.MuiButton-contained.MuiButton-fullWidth {
    border: 1px solid #00ffff;
}

/* ============================================================
   ДЕРЕВО НАВИГАЦИИ (SITEMAP) — привязано к id #sitemap-tree
   ============================================================ */

/* Скрываем стрелки навигации на этой странице */
.page-sitemap .nav-arrows {
    display: none;
}

/* Сама карточка — убраны фон и бордер */
#sitemap-tree.tree-card {
    max-width: 800px;
    width: 90%;
    height: 70vh;
    padding: 30px;
    background: transparent !important;
    border: none !important;
    box-shadow: none;
    transition: none;
    overflow-y: auto;
}

/* ============================================================
   ОФОРМЛЕНИЕ СКРОЛЛА ДЛЯ БЛОКА ДЕРЕВА
   ============================================================ */
#sitemap-tree.tree-card::-webkit-scrollbar {
    width: 6px;
}
#sitemap-tree.tree-card::-webkit-scrollbar-track {
    background: rgba(0, 255, 255, 0.05);
    border-radius: 10px;
}
#sitemap-tree.tree-card::-webkit-scrollbar-thumb {
    background: #00ffff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}
#sitemap-tree.tree-card {
    scrollbar-width: thin;
    scrollbar-color: #00ffff rgba(0, 255, 255, 0.05);
}

/* Контейнер дерева */
#sitemap-tree .tree-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 10px 0;
    height: 100%;
    overflow-y: auto;
}

/* Папка (details) — полупрозрачный фон, без рамки */
#sitemap-tree .tree-folder {
    background: rgba(4, 20, 31, 0.6);
    border: none;
    border-radius: 16px;
    overflow: hidden;
    transition: background 0.3s ease;
}

#sitemap-tree .tree-folder[open] {
    background: rgba(4, 20, 31, 0.8);
}

/* Заголовок папки (summary) — убираем стандартный маркер */
#sitemap-tree .tree-summary {
    cursor: pointer;
    padding: 16px 20px;
    font-weight: 500;
    font-size: 1.2rem;
    color: #00ffff;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.3s ease;
    font-family: 'Tektur', sans-serif;
    letter-spacing: 1px;
    user-select: none;
}

/* Для WebKit (Chrome, Safari) — скрываем маркер */
#sitemap-tree .tree-summary::-webkit-details-marker {
    display: none;
}

#sitemap-tree .tree-summary:hover {
    background: rgba(0, 255, 255, 0.06);
}

/* Иконка (обёртка) */
#sitemap-tree .tree-summary .tree-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    color: rgba(0, 255, 255, 0.6);
    transition: color 0.3s ease, transform 0.3s ease;
}

#sitemap-tree .tree-summary .tree-icon svg {
    width: 100%;
    height: 100%;
    display: block;
    stroke: currentColor;
    transition: stroke 0.3s ease;
}

/* Горизонтальная линия всегда видна */
#sitemap-tree .tree-summary .tree-icon .icon-horizontal {
    transition: none;
}

/* ============================================================
   ЛОГИКА ПЛЮСА / МИНУСА (через атрибут [open]) - ИСПРАВЛЕНО
   ============================================================ */

/* По умолчанию (закрыто) — вертикальная линия видна (ПЛЮС) */
#sitemap-tree .tree-summary .tree-icon .icon-vertical {
    transform: scale(1) !important;
    opacity: 1 !important;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

/* Когда папка открыта — вертикальная линия скрыта (МИНУС) 
   Используем прямой потомок >, чтобы стиль применялся только к иконке самого открытого details,
   а не ко всем вложенным. */
#sitemap-tree .tree-folder[open] > .tree-summary .tree-icon .icon-vertical {
    transform: rotate(90deg) scale(0) !important;
    opacity: 0 !important;
}

/* Анимация при наведении на summary */
#sitemap-tree .tree-summary:hover .tree-icon {
    color: #ffffff;
    transform: scale(1.1);
}

/* ============================================================
   СТИЛИ ДЛЯ ССЫЛКИ "ГЛАВНАЯ" (tree-home-link) 
   — постоянный фон как у папок, без изменения при наведении
   ============================================================ */
#sitemap-tree .tree-home-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    font-weight: 500;
    font-size: 1.2rem;
    color: #00ffff;
    text-decoration: none;
    letter-spacing: 1px;
    border-radius: 16px;
    background: rgba(4, 20, 31, 0.6);
    transition: background 0.3s ease, color 0.3s ease;
    font-family: 'Tektur', sans-serif;
}

#sitemap-tree .tree-home-link:hover {
    background: rgba(4, 20, 31, 0.6); /* фон не меняется */
    color: #ffffff;
}

#sitemap-tree .tree-home-link .tree-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    color: rgba(0, 255, 255, 0.6);
    transition: color 0.3s ease, transform 0.3s ease;
}

#sitemap-tree .tree-home-link:hover .tree-icon {
    color: #ffffff;
    transform: scale(1.1);
}

/* ============================================================
   СТИЛИ ДЛЯ ССЫЛОК (TREE-LINK)
   ============================================================ */

#sitemap-tree .tree-link {
    display: block;
    text-align: left;
    color: #e0f0ff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 300;
    padding: 6px 12px;
    border-radius: 6px;
    transition: background 0.25s ease, color 0.25s ease, text-shadow 0.25s ease;
    line-height: 1.5;
}

#sitemap-tree .tree-link:hover {
    background: rgba(255, 224, 160, 0.2);
    color: #ffffff;
    text-shadow: 0 0 12px rgba(255, 224, 160, 0.15);
}

/* Дочерние элементы (списки) */
#sitemap-tree .tree-children {
    list-style: none;
    padding: 0 20px 16px 20px;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

#sitemap-tree .tree-children li {
    padding: 4px 0 4px 24px;
    border-left: 2px solid rgba(0, 255, 255, 0.12);
    transition: border-color 0.3s ease;
}

#sitemap-tree .tree-children li:hover {
    border-left-color: #00ffff;
}

/* Адаптация для мобильных */
@media (max-width: 768px) {
    #sitemap-tree.tree-card {
        padding: 20px !important;
        max-width: 95% !important;
        height: 75vh;
    }
    #sitemap-tree .tree-summary,
    #sitemap-tree .tree-home-link {
        font-size: 1rem;
        padding: 12px 16px;
    }
    #sitemap-tree .tree-children li {
        padding-left: 16px;
    }
    #sitemap-tree .tree-link {
        font-size: 0.9rem;
    }
    #sitemap-tree .tree-summary .tree-icon,
    #sitemap-tree .tree-home-link .tree-icon {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 600px) {
    #sitemap-tree .tree-summary,
    #sitemap-tree .tree-home-link {
        font-size: 0.9rem;
        padding: 10px 12px;
    }
    #sitemap-tree .tree-children li {
        padding-left: 12px;
    }
    #sitemap-tree .tree-link {
        font-size: 0.8rem;
    }
    #sitemap-tree .tree-summary .tree-icon,
    #sitemap-tree .tree-home-link .tree-icon {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 480px) {
    #sitemap-tree .tree-summary,
    #sitemap-tree .tree-home-link {
        font-size: 0.8rem;
        padding: 8px 10px;
    }
    #sitemap-tree .tree-children li {
        padding-left: 8px;
    }
    #sitemap-tree .tree-link {
        font-size: 0.7rem;
    }
    #sitemap-tree .tree-summary .tree-icon,
    #sitemap-tree .tree-home-link .tree-icon {
        width: 20px;
        height: 20px;
    }
}
/* ============================================================
   ЗАГОЛОВОК "ПОГЛАВНИК" В ДЕРЕВЕ
   ============================================================ */
#sitemap-tree .tree-header {
    text-align: center;
    margin-bottom: 10px;
}

#sitemap-tree .slide-title {
    display: inline-block;
    background: rgba(4, 20, 31, 0.7);
    backdrop-filter: blur(4px);
    padding: 12px 28px;
    border-radius: 40px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.05);
    text-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
    font-size: 1.4rem;
    margin: 0;
    /* наследует цвет и остальные стили от .slide-title */
}

/* ============================================================
   УНИВЕРСАЛЬНОЕ ИСПРАВЛЕНИЕ ДЛЯ ВСЕХ КАРТОЧЕК С АККОРДЕОНОМ
   ============================================================ */

.content-card.text-card .lang-ru.active,
.content-card.text-card .lang-en.active {
    display: flex !important;
    flex-direction: column !important;
    height: 100%;
    overflow: hidden;
    flex: 1 1 auto;
    min-height: 0;
}

.content-card.text-card .lang-ru.active .accordion,
.content-card.text-card .lang-en.active .accordion {
    flex: 1 1 auto;
    min-height: 0;
    height: auto;
    max-height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Специально для conception-scenarios */
.content-card.text-card.conception-scenarios {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.content-card.text-card.conception-scenarios .lang-ru.active,
.content-card.text-card.conception-scenarios .lang-en.active {
    display: flex !important;
    flex-direction: column !important;
    height: 100%;
    overflow: hidden;
    flex: 1 1 auto;
    min-height: 0;
}

.content-card.text-card.conception-scenarios .accordion {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    height: auto !important;
    max-height: 100% !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
}

/* Для карточек с max-height в inline-стилях */
.content-card.text-card[style*="max-height"] {
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
}

.content-card.text-card[style*="max-height"] .accordion {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    height: auto !important;
    max-height: 100% !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
}

.content-card.text-card[style*="max-height"] .slide-title,
.content-card.text-card[style*="max-height"] .divider,
.content-card.text-card[style*="max-height"] .slide-text {
    flex-shrink: 0;
}

/* ============================================================
   ФОРС-МАЖОР ДЛЯ SAFARI - дополнительные стили через медиа-запрос
   ============================================================ */

@supports (-webkit-touch-callout: none) {
    /* Safari-specific */
    .content-card.text-card {
        display: -webkit-flex;
        display: flex;
        -webkit-flex-direction: column;
        flex-direction: column;
        overflow: hidden;
        max-height: 90vh;
    }
    
    .content-card.text-card .accordion {
        -webkit-flex: 1 1 auto;
        flex: 1 1 auto;
        -webkit-flex-basis: auto;
        flex-basis: auto;
        min-height: 0;
        height: auto;
        max-height: 100%;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .content-card.text-card .lang-ru.active,
    .content-card.text-card .lang-en.active {
        display: -webkit-flex !important;
        display: flex !important;
        -webkit-flex-direction: column !important;
        flex-direction: column !important;
        height: 100%;
        overflow: hidden;
        -webkit-flex: 1 1 auto;
        flex: 1 1 auto;
        min-height: 0;
    }
    
    .content-card.text-card[style*="max-height"] {
        max-height: calc(100vh - 200px) !important;
        overflow: hidden !important;
    }
    
    .content-card.text-card[style*="max-height"] .accordion {
        max-height: 100% !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
    }
}