/*
Theme Name:   БИТ.WMS Child
Theme URI:    https://bitwms.ru/
Description:  GeneratePress child theme for the БИТ.WMS expert portal. Brandbook styles: corporate pink #E50071, minimalist layout, Suisse Int'l typography.
Author:       БИТ.WMS
Author URI:   https://bitwms.ru/
Template:     generatepress
Version:      1.0.0
License:      GNU General Public License v2 or later
License URI:  http://www.gnu.org/licenses/gpl-2.0.html
Text Domain:  bitwms-child
*/

/* ==========================================================================
   @font-face — Suisse Int'l (woff2 files go into fonts/ directory)
   Fallback to Arial until font files are deployed.
   ========================================================================== */

@font-face {
    font-family: 'Suisse Intl';
    src: url('fonts/SuisseIntl-Book.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Suisse Intl';
    src: url('fonts/SuisseIntl-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ==========================================================================
   CSS Custom Properties — brandbook tokens
   ========================================================================== */

:root {
    /* --- Colors --- */
    --color-white:      #FFFFFF;
    --color-primary:    #E50071; /* Pantone 213 C, RGB 229 0 113 — primary corporate */
    --color-black:      #000000;
    --color-gray-light: #EBEBEB; /* RGB 235 235 235 — secondary */
    --color-gray-text:  #666666;

    /* --- Typography --- */
    --font-family-base:     'Suisse Intl', Arial, sans-serif;
    --font-heading:         var(--font-family-base);
    --font-body:            var(--font-family-base);
    --font-weight-book:     400;
    --font-weight-bold:     700;

    --font-size-base:   16px;
    --line-height-base: 1.6;

    /* --- Layout dimensions --- */
    --sidebar-width-collapsed: 70px;
    --sidebar-width-expanded:  250px;
    --content-max-width:       1200px;
    --header-height:           60px;

    /* --- Spacing scale --- */
    --space-xs:  4px;
    --space-sm:  8px;
    --space-md:  16px;
    --space-lg:  24px;
    --space-xl:  40px;
    --space-2xl: 64px;

    /* --- Transition --- */
    --transition-base: 0.2s ease;
}

/* ==========================================================================
   Global reset / base
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-book);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-black);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Headings
   ========================================================================== */

h1,
h2,
h3,
h4 {
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-black);
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: 2.5rem;   /* 40px */
}

h2 {
    font-size: 2rem;     /* 32px */
}

h3 {
    font-size: 1.5rem;   /* 24px */
}

h4 {
    font-size: 1.125rem; /* 18px */
}

/* ==========================================================================
   Links
   ========================================================================== */

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover,
a:focus {
    color: var(--color-black);
    text-decoration: underline;
}

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   Paragraphs & lists
   ========================================================================== */

p {
    margin-top: 0;
    margin-bottom: var(--space-md);
}

ul,
ol {
    margin-top: 0;
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
}

/* ==========================================================================
   Container utility
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--content-max-width);
    margin-right: auto;
    margin-left: auto;
    padding-right: var(--space-lg);
    padding-left: var(--space-lg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px var(--space-lg);
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-bold);
    font-size: 1rem;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 0;            /* brandbook: no rounded corners */
    transition:
        background-color var(--transition-base),
        color var(--transition-base),
        border-color var(--transition-base);
    -webkit-user-select: none;
    user-select: none;
    appearance: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Primary — corporate pink fill */
.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-white);
    text-decoration: none;
}

/* Outline — transparent with black border */
.btn-outline {
    background-color: transparent;
    border-color: var(--color-black);
    color: var(--color-black);
}

.btn-outline:hover,
.btn-outline:focus {
    background-color: var(--color-black);
    color: var(--color-white);
    text-decoration: none;
}

/* Small modifier */
.btn-sm {
    padding: 8px var(--space-md);
    font-size: 0.875rem; /* 14px */
}

/* ==========================================================================
   Badge utility
   ========================================================================== */

.badge {
    display: inline-block;
    padding: 2px var(--space-sm);
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-book);
    font-size: 0.75rem;  /* 12px */
    line-height: 1.4;
    color: var(--color-black);
    background-color: var(--color-gray-light);
    border-radius: 0;
    white-space: nowrap;
    vertical-align: middle;
}

/* ==========================================================================
   Sidebar overlay (used by sidebar-nav.js)
   ========================================================================== */

body.sidebar-overlay::after {
    content: '';
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 199;
}

/* ==========================================================================
   Sidebar navigation
   ========================================================================== */

/* Base sidebar */
.sidebar-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width-collapsed);
    height: 100vh;
    background: var(--color-white);
    border-right: 1px solid var(--color-gray-light);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: width 0.25s ease;
    overflow: hidden;
}

.sidebar-nav:hover {
    width: var(--sidebar-width-expanded);
}

/* Logo area */
.sidebar-nav__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60px;
    border-bottom: 1px solid var(--color-gray-light);
    flex-shrink: 0;
}

.sidebar-nav__logo a {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

/* Menu / navigation area */
.sidebar-nav__menu {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Individual links */
.sidebar-nav__link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 23px;
    color: var(--color-black);
    text-decoration: none;
    white-space: nowrap;
    transition:
        background-color var(--transition-base),
        color var(--transition-base);
}

.sidebar-nav__link:hover,
.sidebar-nav__link:focus {
    background-color: var(--color-gray-light);
    color: var(--color-black);
    text-decoration: none;
}

/* Active item */
.sidebar-nav__item--active .sidebar-nav__link {
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

/* Icon */
.sidebar-nav__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

/* Label — hidden when collapsed, visible when sidebar hovered */
.sidebar-nav__label {
    opacity: 0;
    transition: opacity 0.2s ease;
    font-size: 0.9375rem; /* 15px */
}

.sidebar-nav:hover .sidebar-nav__label {
    opacity: 1;
}

/* Social links at the bottom */
.sidebar-nav__social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
    border-top: 1px solid var(--color-gray-light);
    flex-shrink: 0;
}

.sidebar-nav__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-black);
    opacity: 0.6;
    transition: opacity var(--transition-base);
    text-decoration: none;
}

.sidebar-nav__social-link:hover,
.sidebar-nav__social-link:focus {
    opacity: 1;
    text-decoration: none;
    color: var(--color-black);
}

/* Content shift on desktop — push main content right of the sidebar */
.site-content,
.site-header,
.site-footer {
    margin-left: var(--sidebar-width-collapsed);
}

/* Hamburger / toggle button */
.sidebar-nav__toggle {
    display: none;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1100;
    flex-direction: column;
    gap: 4px;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--color-white);
    border: 1px solid var(--color-gray-light);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.sidebar-nav__toggle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.sidebar-nav__toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Mobile styles */
@media (max-width: 767px) {
    /* Hide sidebar off-screen by default */
    .sidebar-nav {
        transform: translateX(-100%);
        transition: transform 0.25s ease, width 0.25s ease;
        width: var(--sidebar-width-expanded);
    }

    /* Show sidebar when open */
    .sidebar-nav--open {
        transform: translateX(0);
    }

    /* Always show labels on mobile when open */
    .sidebar-nav .sidebar-nav__label {
        opacity: 1;
    }

    /* Show hamburger button on mobile */
    .sidebar-nav__toggle {
        display: flex;
    }

    /* Remove content margin on mobile */
    .site-content,
    .site-header,
    .site-footer {
        margin-left: 0;
    }
}

/* ==========================================================================
   Top header bar
   ========================================================================== */

.top-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 32px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-light);

    /* Positioned to the right of the collapsed sidebar */
    position: fixed;
    top: 0;
    left: var(--sidebar-width-collapsed);
    right: 0;
    z-index: 900;
}

.top-header__left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-header__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.top-header__logo img {
    height: 30px;
    width: auto;
}

.top-header__tagline {
    font-size: 0.875rem;
    color: var(--color-gray-text);
}

.top-header__right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.top-header__phone {
    font-weight: 700;
    color: var(--color-black);
    text-decoration: none;
    font-size: 0.875rem;
}

.top-header__phone:hover,
.top-header__phone:focus {
    color: var(--color-primary);
    text-decoration: none;
}

.top-header__search {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-black);
    padding: 4px;
    transition: color var(--transition-base);
}

.top-header__search:hover,
.top-header__search:focus {
    color: var(--color-primary);
}

.top-header__search:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Offset main content below the fixed top header */
.site-content,
.site-header,
.site-footer {
    margin-top: var(--header-height);
}

@media (max-width: 767px) {
    .top-header {
        left: 0;
        padding: 0 16px 0 56px; /* leave room for hamburger button */
    }

    .top-header__tagline {
        display: none;
    }

    .top-header__phone {
        display: none;
    }
}