/* ==========================================================================
   1. ПЕРЕМЕННЫЕ И БАЗОВЫЕ НАСТРОЙКИ
   ========================================================================== */
:root {
    --primary: #FF5722;
    --primary-hover: #E64A19;
    --dark-bg: #0F0F10;
    --card-bg: #1A1A1C;
    --text-main: #FFFFFF;
    --text-muted: rgba(255, 255, 255, 0.9);
    --border: rgba(255, 255, 255, 0.08);
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

html, body {
    max-width: 100%;
    overflow-x: hidden;
    position: relative;
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-main);
    line-height: 1.6;
}

.row {
    margin-left: 0;
    margin-right: 0;
}

h1, h2, h3, h4, h5, h6, p {
    color: var(--text-main);
}

.py-100 { padding: 100px 0; }

.section-title {
    font-size: 0.85rem;
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 15px;
}

/* ==========================================================================
   2. ШАПКА И НАВИГАЦИЯ
   ========================================================================== */
.top-bar {
    background: #151516;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem;
    color: rgba(255,255,255,0.8);
}

.navbar {
    transition: var(--transition);
    padding: 20px 0;
    background: rgba(15, 15, 16, 0.8);
    backdrop-filter: blur(15px);
    border-bottom: var(--border);
    z-index: 1000;
    top: 40px; /* С учетом Top Bar */
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(15, 15, 16, 0.98);
    top: 0 !important;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-main) !important;
    margin: 0 10px;
    opacity: 0.7;
    transition: var(--transition);
}

.nav-link:hover {
    opacity: 1;
    color: var(--primary) !important;
}

.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-weight: 800; font-size: 1.5rem; letter-spacing: -1px; text-transform: uppercase; }
.brand-sub { font-size: 0.65rem; font-weight: 400; letter-spacing: 1px; color: var(--primary); text-transform: uppercase; margin-top: 2px; }

/* ==========================================================================
   3. ГЛАВНЫЙ ЭКРАН (HERO)
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, rgba(255, 87, 34, 0.08) 0%, transparent 40%),
                linear-gradient(0deg, var(--dark-bg) 0%, rgba(15,15,16,0.5) 100%),
                url('../images/hero-v2.webp');
    background-size: cover;
    background-position: center;
    position: relative;
    padding-top: 80px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 87, 34, 0.15);
    color: var(--primary);
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
    letter-spacing: -2px;
    text-transform: uppercase;
}

/* ==========================================================================
   4. КАРТОЧКИ И КОМПОНЕНТЫ
   ========================================================================== */

/* Преимущества */
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 40px 30px;
    border-radius: 24px;
    height: 100%;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 87, 34, 0.1);
}

.feature-icon {
    width: 60px; height: 60px; background: rgba(255, 87, 34, 0.1);
    border-radius: 16px; display: flex; align-items: center; justify-content: center;
    margin-bottom: 25px; transition: var(--transition);
}

.feature-icon svg { width: 32px; height: 32px; fill: var(--primary); }
.feature-card:hover .feature-icon { background: var(--primary); }
.feature-card:hover .feature-icon svg { fill: white; }

/* Услуги */
.service-card {
    position: relative; border-radius: 20px; overflow: hidden; height: 350px;
    border: 1px solid var(--border); transition: var(--transition);
}

.service-card:hover { transform: translateY(-10px); border-color: var(--primary); }
.service-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.service-card:hover .service-img { transform: scale(1.1); }
.service-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(0deg, rgba(15, 15, 16, 0.95) 10%, rgba(15, 15, 16, 0.2) 100%);
    display: flex; flex-direction: column; justify-content: flex-end; padding: 30px;
}

/* Портфолио */
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 24px; }
.portfolio-card { position: relative; border-radius: 20px; overflow: hidden; aspect-ratio: 4/3; border: 1px solid var(--border); }
.portfolio-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.portfolio-card:hover img { transform: scale(1.1); }
.portfolio-card-overlay {
    position: absolute; inset: 0; background: linear-gradient(0deg, rgba(255, 87, 34, 0.95) 0%, rgba(255, 87, 34, 0.2) 100%);
    display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; opacity: 0; transition: var(--transition);
}
.portfolio-card:hover .portfolio-card-overlay { opacity: 1; }

/* ==========================================================================
   5. ТЕКСТУРЫ (АККОРДЕОН) - ТУТ БЕЛЫЙ ТЕКСТ
   ========================================================================== */
.texture-accordion .accordion-item {
    background-color: #1A1A1C; border: none; border-bottom: 1px solid var(--border); border-radius: 0 !important;
}

.texture-accordion .accordion-button {
    background-color: #1A1A1C; color: #FFFFFF !important; padding: 25px;
    font-weight: 700; text-transform: uppercase; letter-spacing: 1px; box-shadow: none !important;
}

.texture-accordion .accordion-button:not(.collapsed) {
    background-color: rgba(255, 87, 34, 0.05); color: var(--primary) !important;
}

.texture-accordion .accordion-button::after { filter: brightness(0) invert(1); }

.texture-num {
    width: 32px; height: 32px; background: var(--primary); border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center; font-size: 0.8rem; margin-right: 20px; flex-shrink: 0;
}

.texture-content-wrap { padding: 30px; display: flex; gap: 40px; align-items: center; }
.texture-preview-img { width: 45%; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }

/* ПРАВКА ДЛЯ БЕЛОГО ТЕКСТА ВНУТРИ */
.texture-accordion .texture-desc,
.texture-accordion .texture-desc h4,
.texture-accordion .texture-desc p,
.texture-accordion .texture-desc ul li {
    color: #FFFFFF !important;
}

.texture-desc ul { list-style: none; padding-left: 0; margin-top: 15px; }
.texture-desc ul li { position: relative; padding-left: 20px; font-size: 0.85rem; margin-bottom: 5px; }
.texture-desc ul li::before { content: '→'; position: absolute; left: 0; color: var(--primary); }

/* ==========================================================================
   6. БАННЕРЫ, ФОРМЫ И КНОПКИ
   ========================================================================== */
.cta-banner { background: linear-gradient(45deg, #0f0f10 0%, #1a1a1c 100%); }
.cta-glass-box {
    background: rgba(255, 87, 34, 0.05); border: 1px solid rgba(255, 87, 34, 0.2);
    padding: 50px; border-radius: 30px; position: relative; overflow: hidden;
}
.cta-glass-box h2 { font-size: 2rem; letter-spacing: -1px; }

.btn-shnr {
    background: var(--primary); color: white; font-weight: 700; padding: 18px 40px;
    border-radius: 12px; text-transform: uppercase; letter-spacing: 1px; border: none; transition: var(--transition);
}
.btn-shnr:hover { background: var(--primary-hover); transform: translateY(-3px); color: white; }

.contact-form .form-control {
    background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border); color: white; padding: 15px; border-radius: 12px;
}

/* ==========================================================================
   7. САЙДБАРЫ И МОБИЛЬНЫЕ ЭЛЕМЕНТЫ
   ========================================================================== */
.social-sidebar { position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 9999; display: flex; flex-direction: column; }
.social-item { width: 45px; height: 45px; background: var(--primary); display: flex; align-items: center; justify-content: center; color: white; text-decoration: none; margin-bottom: 2px; transition: var(--transition); }
.social-item:hover { width: 60px; background: var(--primary-hover); padding-right: 10px; }
.social-item svg { width: 24px; height: 24px; fill: currentColor; }
/* Правило для картинки Viber на компьютере */
.social-item img {
    width: 24px;   /* Такой же размер, как у твоих SVG */
    height: 24px;
    object-fit: contain;
    display: block;
}

.mobile-sticky-cta {
    position: fixed; bottom: 0; left: 0; width: 100%; z-index: 1050;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.5); display: none; opacity: 0; transition: opacity 0.3s ease;
}

/* ==========================================================================
   8. АДАПТИВНОСТЬ
   ========================================================================== */

@media (max-width: 991px) {
    
    .social-sidebar { 
        display: flex !important; /* Принудительно показываем */
        visibility: visible;
        top: auto;
        bottom: 120px; /* Поднимаем выше липкой кнопки расчета */
        transform: none; /* Убираем центрирование по вертикали */
        right: 0;
    }

    .social-item {
        width: 45px; /* Уменьшаем размер, чтобы не мешало скроллу */
        height: 45px;
        background: rgba(255, 87, 34, 0.9); /* Делаем чуть прозрачным */
        backdrop-filter: blur(5px);
    }

    .social-item:hover {
        width: 50px; /* На мобилках эффект наведения не так важен, но оставим */
        padding-right: 5px;
    }

    .social-item svg {
        width: 20px;
        height: 20px;
    }
    

   .navbar { top: 0 !important; padding: 15px 0; }
    .hero { text-align: center; padding-top: 120px; }
    .hero h1 { font-size: 2.2rem; }
    .texture-content-wrap { flex-direction: column; padding: 20px; text-align: center; }
    .texture-preview-img { width: 100%; }
    .texture-desc ul li { text-align: left; }
    .offcanvas { width: 80% !important; max-width: 300px; border-right: 1px solid var(--primary); }
    .btn-close-white { filter: invert(1) grayscale(100%) brightness(200%); }
    footer { padding-bottom: 80px; }
    .hero .d-flex {
        justify-content: center !important; /* Центрируем кнопки во флекс-контейнере */
    }

    /* Дополнительно: чтобы на узких телефонах кнопки были во всю ширину */
    @media (max-width: 480px) {
        .hero .d-flex {
            flex-direction: column; /* Кнопки друг под другом */
            align-items: center;
        }
        .hero .btn {
            width: 100%; /* Кнопка на всю ширину */
            max-width: 300px; /* Но не слишком широкая */
        }
    }

}

@media (max-width: 576px) {
    .cta-glass-box, .feature-card { padding: 30px 20px; text-align: center; }
    .feature-icon { margin: 0 auto 20px; }
}


/* ==========================================================================
   Стиль Вопросы и Ответы (FAQ) - Адаптировано из VQA-Accordion
   ========================================================================== */
.faq-accordion .accordion-item {
    background-color: transparent; border: none; border-bottom: 1px solid var(--border); border-radius: 0 !important; margin-bottom: 0px;
}

.faq-accordion .accordion-button {
    background-color: transparent; color: var(--text-main) !important; padding: 20px 25px;
    font-weight: 500; text-transform: none; letter-spacing: normal; box-shadow: none !important;
    font-size: 1.1rem;
}

/* Эффект как на примере - оранжевый фон при наведении и открытии */
.faq-accordion .accordion-button:not(.collapsed),
.faq-accordion .accordion-item:hover .accordion-button {
    background-color: var(--primary) !important; color: white !important; font-weight: 700;
}

.faq-accordion .accordion-button::after { filter: brightness(0) invert(1); transition: transform 0.3s ease; }
.faq-accordion .accordion-button:not(.collapsed)::after { filter: brightness(0) invert(0); } /* Иконка черная на оранжевом */

.faq-accordion .accordion-body { padding: 30px; background-color: var(--card-bg); border-radius: 0 0 12px 12px; margin-bottom: 10px; }
.faq-accordion p { font-size: 0.95rem; color: rgba(255,255,255,0.85); margin-bottom: 0; }
/* Карта */
.map-container {
    border-radius: 30px;
    overflow: hidden;
    border: 1px solid var(--border);
    filter: grayscale(1) invert(0.9) contrast(1.2); /* Делаем карту темной под стиль */
    transition: var(--transition);
}
.map-container:hover { filter:grayscale(1) invert(0) brightness(0.6) contrast(1.3); }

/* Карточка формы */
.contact-form-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--border);
}

/* Элементы инфо */
.info-item {
    background: rgba(255,255,255,0.03);
    padding: 25px;
    border-radius: 20px;
    border: 1px solid var(--border);
    height: 100%;
}
.info-icon { width: 40px; height: 40px; margin-bottom: 15px; }
.info-icon svg { fill: var(--primary); }
.info-item h6 { font-size: 0.8rem; text-transform: uppercase; opacity: 0.5; margin-bottom: 5px; }
.info-item a, .info-item p { font-size: 1rem; color: white; text-decoration: none; margin: 0; }

/* Реквизиты */
.requisites-box {
    border: 1px dashed var(--border);
    border-radius: 15px;
    overflow: hidden;
}
.btn-toggle-req {
    width: 100%; background: none; border: none; color: var(--primary);
    padding: 15px 20px; font-size: 0.85rem; font-weight: 600; text-align: left;
    display: flex; justify-content: space-between;
}
.req-content { padding: 0 20px 20px; font-size: 0.8rem; opacity: 0.7; }
.req-content p { margin-bottom: 5px; color: #fff; }

/* Футер */
.footer-dark { background: #080809; border-top: 1px solid var(--border); }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.9rem; transition: 0.3s; }
.footer-links a:hover { color: var(--primary); padding-left: 5px; }

.footer-social { display: flex; gap: 15px; }
.social-link {
    width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 10px;
    display: flex; align-items: center; justify-content: center; color: white; text-decoration: none; transition: 0.3s;
}
.social-link:hover { background: var(--primary); border-color: var(--primary); }
/* Футер */
.footer-dark { 
    background: #080809; 
    border-top: 1px solid var(--border); 
}
.footer-links { 
    list-style: none; 
    padding: 0; 
}
.footer-links li { 
    margin-bottom: 10px; 
}
.footer-links a { 
    color: rgba(255,255,255,0.5); 
    text-decoration: none; 
    font-size: 0.9rem; 
    transition: 0.3s; 
}
.footer-links a:hover { 
    color: var(--primary); 
    padding-left: 5px; 
}