/* =================================
   0. ПЕРЕМЕННЫЕ (VARIABLES / CUSTOM PROPERTIES)
   ================================= */

:root {
    /* Цвета */
    --color-text: #111827;
    --color-primary: #3B82F6;
    --color-background: #FDFDFD;
    --color-background-section: #F9F7F5;

    /* Типографика */
    --font-main: 'Inter', sans-serif;

    /* Эффекты */
    --transition-main: all 0.3s ease;
    --shadow-button-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-card-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* =================================
   1. ОБЩИЕ СТИЛИ (GLOBAL STYLES)
   ================================= */

body {
    font-family: var(--font-main);
    background-color: var(--color-background);
    color: var(--color-text);
    overflow-wrap: break-word;
    word-break: break-word;
}

/* =================================
   2. ВСПОМОГАТЕЛЬНЫЕ КЛАССЫ (UTILITY CLASSES)
   ================================= */

.hero-bg {
    background-image: url('images/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.section-bg {
    background-color: var(--color-background-section);
}

/* =================================
   3. КОМПОНЕНТЫ (COMPONENTS)
   ================================= */

/* --- Кнопка (Button) --- */
.cta-button {
    transition: var(--transition-main);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-button-hover);
}

/* --- Карточки (Cards) --- */
.service-card,
.team-card,
.testimonial-card {
    transition: var(--transition-main);
}

.service-card:hover,
.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}

/* --- Навигационная ссылка (Nav Link) --- */
.nav-link {
    position: relative;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    transition: width 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}

/* =================================
   4. ПАНЕЛЬ ДОСТУПНОСТИ (ACCESSIBILITY PANEL — ГОСТ Р 52872-2019)
   ================================= */

/* --- Panel Control Buttons --- */
.lv-ctrl {
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.3);
    transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.lv-ctrl:hover {
    background-color: rgba(255,255,255,0.15);
}
.lv-ctrl.lv-active {
    background-color: #3B82F6;
    border-color: #3B82F6;
    color: #fff;
}

/* Theme preview buttons (idle state) */
.lv-ctrl[data-lv-theme="bw"]:not(.lv-active) {
    background-color: #fff;
    color: #000;
    border-color: #9ca3af;
}
.lv-ctrl[data-lv-theme="wb"]:not(.lv-active) {
    background-color: #000;
    color: #fff;
    border-color: #6b7280;
}

/* --- Panel Open: show panel & shift fixed header --- */
html.lv-panel-open #lv-panel {
    transform: translateY(0);
}
html.lv-panel-open header {
    top: var(--lv-panel-h, 0px) !important;
}
html.lv-panel-open {
    padding-top: var(--lv-panel-h, 0px);
}

/* --- Font Size Scaling (rem-based) --- */
html.lv-font-large { font-size: 125% !important; }
html.lv-font-huge  { font-size: 150% !important; }

/* ======== Theme: Black on White (high contrast) ======== */
html.lv-theme-bw { background-color: #fff !important; }
html.lv-theme-bw * {
    background-color: #fff !important;
    color: #000 !important;
    border-color: #333 !important;
    box-shadow: none !important;
    text-shadow: none !important;
}
html.lv-theme-bw a {
    color: #0000CC !important;
    text-decoration: underline !important;
}
html.lv-theme-bw .hero-bg {
    background-image: none !important;
}

/* ======== Theme: White on Black (inverted) ======== */
html.lv-theme-wb { background-color: #1a1a1a !important; }
html.lv-theme-wb * {
    background-color: #1a1a1a !important;
    color: #f0f0f0 !important;
    border-color: #555 !important;
    box-shadow: none !important;
    text-shadow: none !important;
}
html.lv-theme-wb a {
    color: #FFD700 !important;
    text-decoration: underline !important;
}
html.lv-theme-wb .hero-bg {
    background-image: none !important;
}

/* ======== Panel Protection from theme overrides ======== */
/* ID selectors beat html.lv-theme-* class selectors, keeping panel styled */
#lv-panel {
    background-color: #111827 !important;
}
#lv-panel * {
    background-color: transparent !important;
    color: #fff !important;
    border-color: rgba(255,255,255,0.3) !important;
    box-shadow: none !important;
}
#lv-panel #lv-reset {
    background-color: #dc2626 !important;
}
#lv-panel #lv-reset:hover {
    background-color: #b91c1c !important;
}
#lv-panel .lv-active {
    background-color: #3B82F6 !important;
    border-color: #3B82F6 !important;
    color: #fff !important;
}
#lv-panel .lv-ctrl:hover:not(.lv-active) {
    background-color: rgba(255,255,255,0.15) !important;
}
#lv-panel [data-lv-theme="bw"]:not(.lv-active) {
    background-color: #fff !important;
    color: #000 !important;
    border-color: #9ca3af !important;
}
#lv-panel [data-lv-theme="wb"]:not(.lv-active) {
    background-color: #000 !important;
    color: #fff !important;
    border-color: #6b7280 !important;
}

/* ======== Hide Images ======== */
html.lv-hide-images img,
html.lv-hide-images iframe {
    visibility: hidden !important;
}
html.lv-hide-images .hero-bg {
    background-image: none !important;
}
html.lv-hide-images svg:not(header svg):not(#mobile-cta svg):not(#lv-panel svg) {
    display: none !important;
}

/* =================================
   5. АНИМАЦИИ (ANIMATIONS)
   ================================= */

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    15% { transform: translateX(-6px); }
    30% { transform: translateX(5px); }
    45% { transform: translateX(-4px); }
    60% { transform: translateX(3px); }
    75% { transform: translateX(-2px); }
}

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

/* =================================
   6. ГОРИЗОНТАЛЬНАЯ КАРУСЕЛЬ (HORIZONTAL SCROLL CAROUSEL)
   ================================= */

/* Скрытие полосы прокрутки для каруселей */
.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.no-scrollbar::-webkit-scrollbar {
    display: none;
}

/* =================================
   7. МОБИЛЬНАЯ АДАПТАЦИЯ (MOBILE RESPONSIVENESS)
   ================================= */

/* --- Минимальные области касания (44x44px per WCAG) --- */
@media (pointer: coarse) {
    .mobile-nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    #mobile-menu-button {
        min-width: 44px;
        min-height: 44px;
    }

    input[type="checkbox"] {
        min-width: 20px;
        min-height: 20px;
    }
}

/* --- Код услуги (Service Code) --- */
.text-muted {
    color: #6b7280;
}

.service-code {
    display: inline;
    font-size: 0.85em;
    font-weight: 400;
    margin-left: 0.5em;
}

/* --- Прайс-лист: мобильная карточная раскладка --- */
@media (max-width: 640px) {
    #price-accordion table {
        font-size: 0.875rem;
    }

    #price-accordion thead {
        display: none;
    }

    #price-accordion tbody tr {
        display: flex;
        flex-direction: column;
        padding: 0.75rem 1rem;
        border-bottom: 1px solid #f3f4f6;
    }

    #price-accordion tbody tr:hover {
        background-color: #f9fafb;
    }

    #price-accordion tbody td {
        padding: 0.125rem 0;
        text-align: left !important;
        white-space: normal !important;
    }

    #price-accordion tbody td:last-child {
        font-size: 0.9375rem;
        margin-top: 0.25rem;
    }

    /* Аккордеон-кнопки */
    #price-accordion button {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    #price-accordion button span:first-child {
        font-size: 0.9375rem;
    }

    .service-code {
        display: block;
        margin-left: 0;
        margin-top: 0.15em;
    }
}

/* --- Прайс-лист: предотвращение горизонтального скролла --- */
@media (max-width: 767px) {
    #price-accordion .overflow-x-auto {
        overflow-x: hidden;
    }
}

/* --- Футер: мобильная однокколоночная раскладка --- */
@media (max-width: 767px) {
    footer .grid {
        text-align: center;
    }
}