/* =========================================
   1. VARIABLES & SETUP
   ========================================= */
:root {
    /* Color Palette */
    --c-primary: #3b82f6;
    --c-primary-dark: #1d4ed8;
    --c-secondary: #0f172a;
    --c-accent: #f59e0b;
    --c-text-main: #1f2937;
    --c-text-light: #6b7280;
    --c-bg-body: #f3f4f6;
    --c-bg-card: #ffffff;
    --c-border: #e5e7eb;
    --c-success: #10b981;
    --c-input-bg: #f9fafb;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --fs-h1: clamp(2rem, 5vw, 3.5rem);
    --fs-h2: clamp(1.5rem, 4vw, 2.25rem);
    --fs-body: 1rem;
    --lh-body: 1.6;

    /* Spacing & Sizing */
    --container-width: 1200px;
    --gap-sm: 0.5rem;
    --gap-md: 1rem;
    --gap-lg: 2rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;

    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.06);
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Normalize */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--c-bg-body);
    color: var(--c-text-main);
    line-height: var(--lh-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

a:hover, a:focus {
    color: var(--c-primary-dark);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* =========================================
   2. LAYOUT
   ========================================= */
.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--gap-md);
    padding-right: var(--gap-md);
}

/* Screen Reader Text */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* =========================================
   3. HEADER
   ========================================= */
.site-header {
    background-color: var(--c-bg-card);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--gap-md) 0;
    transition: box-shadow var(--transition-smooth);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.site-header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--gap-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap-md);
}

/* Branding */
.site-branding {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--c-secondary);
}

/* Hamburger Menu */
.mob-hamburger {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.mob-hamburger:hover {
    background-color: var(--c-bg-body);
}

.mob-hamburger span {
    position: relative;
    width: 1.5rem;
    height: 2px;
    background-color: var(--c-text-main);
    display: block;
    transition: transform var(--transition-fast);
}

.mob-hamburger span::before,
.mob-hamburger span::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--c-text-main);
    transition: transform var(--transition-fast);
}

.mob-hamburger span::before { transform: translateY(-6px); }
.mob-hamburger span::after { transform: translateY(6px); }

/* Search Form */
.mob-search {
    flex-grow: 1;
    max-width: 400px;
}

.search-form {
    display: flex;
    position: relative;
    width: 100%;
}

.search-form__text {
    width: 100%;
    padding: 0.75rem 1rem;
    padding-right: 3rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-full);
    background-color: var(--c-input-bg);
    color: var(--c-text-main);
    font-size: 0.95rem;
    transition: all var(--transition-smooth);
}

.search-form__text:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    background-color: var(--c-bg-card);
}

.search-form__submit {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--c-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.search-form__submit::before {
    content: '';
    width: 1rem;
    height: 1rem;
    border: 2px solid white;
    border-radius: 50%;
    position: relative;
    display: block;
}

.search-form__submit::after {
    content: '';
    width: 2px;
    height: 6px;
    background-color: white;
    position: absolute;
    bottom: 8px;
    right: 9px;
    transform: rotate(-45deg);
}

.search-form__submit:hover {
    background-color: var(--c-primary-dark);
    transform: translateY(-50%) scale(1.05);
}

/* =========================================
   4. CONTENT AREA
   ========================================= */
.site-content {
    margin-top: var(--gap-lg);
    margin-bottom: var(--gap-lg);
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Article Styles */
.site-main article {
    background-color: var(--c-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    padding: var(--gap-lg);
}

.entry-image {
    position: relative;
    margin: calc(var(--gap-lg) * -1) calc(var(--gap-lg) * -1) var(--gap-lg);
    background: linear-gradient(135deg, var(--c-secondary), var(--c-primary));
    padding: 3rem 1.5rem;
    text-align: center;
    color: white;
}

.entry-image__title h1 {
    font-size: var(--fs-h1);
    font-weight: 800;
    line-height: 1.2;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    letter-spacing: -0.02em;
}

/* Typography in Content */
.entry-content {
    max-width: 80ch;
    margin: 0 auto;
    font-size: 1.05rem;
    color: var(--c-text-main);
}

.entry-content h2 {
    font-size: var(--fs-h2);
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    color: var(--c-secondary);
    font-weight: 700;
    position: relative;
}

.entry-content p {
    margin-bottom: 1.5rem;
    color: var(--c-text-main);
}

/* Lists */
.entry-content ul, 
.entry-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.entry-content ul li {
    position: relative;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
}

.entry-content ul li::before {
    content: '•';
    color: var(--c-primary);
    font-weight: bold;
    font-size: 1.5em;
    position: absolute;
    left: 0;
    top: -0.2em;
}

.entry-content ol {
    list-style: decimal;
    margin-left: 1rem;
}

/* Images in Content */
.entry-content img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    margin: 2rem auto;
}

.entry-content img:hover {
    transform: scale(1.01);
    box-shadow: var(--shadow-lg);
}

/* Figures */
.wp-caption {
    background: var(--c-input-bg);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
    border: 1px solid var(--c-border);
}

.wp-caption-text {
    font-size: 0.9rem;
    color: var(--c-text-light);
    text-align: center;
    padding: 0.5rem 0;
    font-style: italic;
    margin-bottom: 0;
}

/* Buttons/Links that look like buttons */
.entry-content a[href*="registratsiya"] img,
.entry-content a[href*="pereyti"] img,
.entry-content a[href*="vhod"] img {
    /* Assuming these images are buttons, add hover effect */
    cursor: pointer;
    transition: filter var(--transition-fast), transform var(--transition-fast);
}

.entry-content a img:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

/* =========================================
   5. FOOTER
   ========================================= */
.site-footer {
    margin-top: auto;
    background-color: var(--c-secondary);
    color: rgba(255, 255, 255, 0.8);
    padding: 2rem 0;
    text-align: center;
}

.footer-info {
    font-size: 0.9rem;
}

/* =========================================
   6. UTILITIES & INTERACTIVE
   ========================================= */
/* Scroll to Top Button */
.scrolltop {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background-color: var(--c-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0.8;
    transition: all var(--transition-smooth);
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scrolltop::before {
    content: '';
    width: 0.8rem;
    height: 0.8rem;
    border-top: 3px solid white;
    border-left: 3px solid white;
    transform: rotate(45deg);
    margin-top: 4px;
}

.scrolltop:hover {
    opacity: 1;
    background-color: var(--c-primary-dark);
    transform: translateY(-5px);
}

/* Form Styles Generic */
input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    background-color: #fff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* =========================================
   7. RESPONSIVENESS
   ========================================= */
@media (max-width: 992px) {
    .site-main article {
        padding: var(--gap-md);
    }
}

@media (max-width: 768px) {
    .site-header-inner {
        flex-wrap: wrap;
    }
    
    .mob-search {
        order: 3;
        width: 100%;
        max-width: 100%;
        margin-top: var(--gap-sm);
    }
    
    .site-branding {
        font-size: 1.25rem;
    }

    .entry-image {
        padding: 2rem 1rem;
    }

    .entry-content {
        font-size: 1rem;
    }
    
    .wp-caption {
        width: 100% !important; /* Override inline styles */
    }

    .scrolltop {
        bottom: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
    }
}

/* Helper for inline style overrides (as requested to make it visualy clean) */
.main-navigation[style*="display: none"] {
    /* Keep hidden as per inline style, but if toggled via JS, style here: */
    background: var(--c-bg-card);
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    box-shadow: var(--shadow-md);
    padding: 1rem;
}