html { scroll-behavior: smooth; }
body { scroll-padding-top: 72px; }
.navbar-brand b { letter-spacing: 0.5px; }
/* Brand palette */
:root{
    --brand-bg:#0b0b0b;
    --brand-surface:#141414;
    --brand-border:#222;
    --brand-orange:#ff5a0a;
    --brand-orange-700:#e44f08;
    --brand-text:#ffffff;
    --brand-muted:#c9c9c9;
}
/* Bootstrap tone overrides to match brand */
.text-primary{ color: var(--brand-orange) !important; }
.text-success{ color: var(--brand-orange) !important; }
.badge.text-bg-light{
    background: rgba(255,255,255,.06) !important; color: var(--brand-text) !important;
    border:1px solid var(--brand-border);
}
.btn-primary{ background: var(--brand-orange); border-color: var(--brand-orange); }
.btn-primary:hover{ background: var(--brand-orange-700); border-color: var(--brand-orange-700); }
.btn-outline-secondary{ color: var(--brand-text); border-color: var(--brand-border); }
.btn-outline-secondary:hover{ background: var(--brand-text); color:#000; border-color: var(--brand-text); }
.card{ background: var(--brand-surface); color: var(--brand-text); border:1px solid var(--brand-border); }
.text-secondary{ color: var(--brand-muted) !important; }

/* Global dark background */
body{ background: var(--brand-bg); color: var(--brand-text); }

/* Navbar -> dark with logo */
#mainNav{ background: var(--brand-bg) !important; border-bottom:1px solid var(--brand-border); }
.navbar-brand img{ height:28px; width:auto; }

/* Hero */
.hero {
    background: linear-gradient(180deg, #0e0e0e 0%, #0a0a0a 100%);
    min-height: 70vh;
    display: grid;
    align-items: center;
    padding: 80px 0;
    position: relative;
}
.hero::after{
    content:""; position:absolute; left:0; right:0; bottom:0; height:12px; background: var(--brand-orange);
}
.hero h1 { font-weight: 700; color: var(--brand-text); }
.hero .badges i { color: var(--brand-orange); }

.section-pad { padding: 72px 0; }

.appliance-icon {
    width: 64px; height: 64px;
    display: grid; place-items: center;
    border-radius: 12px;
    background: #1d1d1d; color: var(--brand-orange);
    margin: 0 auto 12px;
    font-size: 28px;
    border:1px solid var(--brand-border);
}

.floating-call {
    position: fixed;
    right: 16px; bottom: 16px;
    z-index: 1050;
    display: flex; align-items: center; gap: 10px;
    text-decoration: none;
    background: var(--brand-orange); color: #fff;
    padding: 12px 16px; border-radius: 999px;
    box-shadow: 0 10px 24px rgba(255,90,10,0.35);
    transition: transform .15s ease;
}
.floating-call:hover { transform: translateY(-2px); color: #fff; }
.floating-call .pulse {
    position: relative; display: inline-grid; place-items: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: #ffffff; /* было var(--brand-orange-700) */
}
.floating-call .pulse i {
    color: var(--brand-orange); /* иконка трубки станет оранжевой */
}
.floating-call .pulse::after {
    content: ""; position: absolute; inset: 0; border-radius: 50%;
    border: 2px solid rgba(255,90,10,.35); animation: pulse 1.6s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.9; }
    70% { transform: scale(1.35); opacity: 0; }
    100% { opacity: 0; }
}
footer { background: #000; color: #d4d4d4; border-top:1px solid var(--brand-border); }
.list-check i { color: var(--brand-orange); margin-right: 8px; }
/* Appliances tabs */
.appliance-tabs .nav-link {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--brand-text);
}
.appliance-tabs .nav-link .col {
    border: 1px solid var(--brand-border);
    border-radius: 12px;
    padding: 12px 8px;
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.appliance-tabs .nav-link:hover .col,
.appliance-tabs .nav-link:focus .col {
    border-color: var(--brand-orange);
    box-shadow: 0 0 0 2px rgba(255,90,10,.15);
    transform: translateY(-1px);
}
.appliance-tabs .nav-link.active .col {
    border-color: var(--brand-orange);
    box-shadow: 0 0 0 2px rgba(255,90,10,.2);
}
.appliance-tabpane .card {
    background: var(--brand-surface);
    border: 1px solid var(--brand-border);
}

.brands-logos img {
    opacity: 0.7;
    transition: opacity .2s, filter .2s;
    filter: grayscale(100%);
    max-width: 90px;
    height: 32px;
    object-fit: contain;
}
.brands-logos img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* --- Accordion Custom Style for Brand --- */
.accordion {
    background: none;
}

/* Карточка аккордеона */
.accordion-item {
    background: var(--brand-surface);
    border: 1px solid var(--brand-border);
    color: var(--brand-text);
    border-radius: 12px;
    margin-bottom: 8px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

/* Заголовок аккордеона */
.accordion-header {
    background: none;
    border: none;
}

/* Кнопка — область "открыть/закрыть" */
.accordion-button {
    background: none;
    color: var(--brand-text);
    font-weight: 600;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 1rem 1.25rem;
    transition: background 0.14s, color 0.14s;
}

.accordion-button:focus {
    z-index: 2;
    border: none;
    outline: 0;
    box-shadow: 0 0 0 2px rgba(255,90,10,.22);
    background: #211509;
}

.accordion-button:not(.collapsed) {
    background: #211509;
    color: var(--brand-orange); /* Акцент при открытии */
    box-shadow: none;
}

.accordion-button::after {
    filter: brightness(1.5) grayscale(0.4);
}

/* Скрытая часть */
.accordion-collapse {
    background: none;
}

/* Контент внутри раскрытой части */
.accordion-body {
    background: none;
    color: var(--brand-muted);
    border-top: 1px solid var(--brand-border);
    padding: 1rem 1.25rem 1rem 2.25rem;
    font-size: 1rem;
}

/* Оранжевый акцент для списка внутри подробностей */
.accordion-body .text-primary,
.accordion-body .fw-semibold.text-primary {
    color: var(--brand-orange) !important;
}