/* ===== БАЗОВЫЙ ФОН САЙТА ===== */

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    min-height: 100vh;

    /* мягкий светлый фон с лёгким градиентом */
    background:
        radial-gradient(circle at top left, #fdf4e7 0, transparent 50%),
        radial-gradient(circle at bottom right, #e7f1ff 0, transparent 55%),
        #f9fafb;
    color: #111827;
}

.bg-page {
    background-color: transparent;
}


/* ===== ШАПКА, ЛОГОТИП, НАВИГАЦИЯ ===== */

header.navbar {
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    letter-spacing: 0.03em;
}

/* Логотип "КАНЦЕЛЯРСКИЙ домик" */
.notebook-logo {
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1.1;
}

.notebook-logo .logo-main {
    font-size: 1.1rem;
    color: #1d2a6b;
}

.notebook-logo .logo-sub {
    font-size: 0.9rem;
    text-transform: lowercase;
    letter-spacing: 0.12em;
    color: #1d2a6b;
    position: relative;
    display: inline-block;
    padding: 0 0.4rem;
}

/* Красные подчеркивания вокруг слова "домик" */
.notebook-logo .logo-sub::before,
.notebook-logo .logo-sub::after {
    content: "";
    position: absolute;
    height: 3px;
    border-radius: 999px;
    background: #ef4444;
    top: 50%;
    transform: translateY(-50%);
}

.notebook-logo .logo-sub::before {
    left: -1.4rem;
    right: 100%;
    margin-right: 0.25rem;
}

.notebook-logo .logo-sub::after {
    right: -1.4rem;
    left: 100%;
    margin-left: 0.25rem;
}

.nav-link {
    color: #4b5563 !important;
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
    color: #111827 !important;
}


/* ===== ЗАГОЛОВКИ И ТЕКСТ ===== */

.hero-title {
    font-size: clamp(2rem, 3vw, 2.6rem);
    font-weight: 700;
    color: #111827;
}

.hero-subtitle {
    color: #6b7280;
}

.section-title {
    font-weight: 700;
    margin-bottom: 1rem;
    color: #111827;
}


/* ===== КАРТОЧКИ КАТЕГОРИЙ И ТОВАРОВ ===== */

.category-card,
.product-card {
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 1rem;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
    transition:
        transform 0.15s ease,
        box-shadow 0.15s ease,
        border-color 0.15s ease,
        background-color 0.15s ease;
    background: rgba(255, 255, 255, 0.98);
}

.category-card:hover,
.product-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.16);
    border-color: rgba(59, 130, 246, 0.5);
    background-color: #ffffff;
}


/* ===== КАРТИНКИ ТОВАРОВ ===== */

.product-image-wrapper {
    border-radius: 0.9rem;
    overflow: hidden;
    margin-bottom: 0.75rem;
    background: #f3f4f6;
}

.product-image-wrapper img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}


/* ===== КНОПКИ ===== */

.btn-primary {
    background-color: #2563eb;
    border-color: #2563eb;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #1d4ed8;
    border-color: #1d4ed8;
}

.btn-outline-secondary {
    color: #4b5563;
    border-color: #d1d5db;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    background-color: #f3f4f6;
    color: #111827;
    border-color: #9ca3af;
}


/* ===== ФОРМЫ ===== */

.form-control {
    border-radius: 0.7rem;
    border-color: #d1d5db;
}

.form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 0.15rem rgba(37, 99, 235, 0.15);
}

.form-label {
    font-weight: 500;
    color: #374151;
}


/* ===== ФУТЕР ===== */

footer {
    background-color: rgba(255, 255, 255, 0.95);
}

footer .text-muted {
    color: #6b7280 !important;
}