/*
Theme Name: Dokumentazia
Theme URI: https://dokumentazia.bg
Description: Професионална WordPress тема за предоставяне на електронни услуги за документи. Включва интелигентна търсачка, дървовидна структура на категории, чат функционалност и модерен дизайн.
Version: 1.0.0
Author: Dokumentazia Team
Author URI: https://dokumentazia.bg
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: dokumentazia
Tags: business, services, documents, responsive, modern
*/

/* ===========================
   CSS Variables
   =========================== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* ===========================
   Reset & Base Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

/* ===========================
   Layout
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================
   Header & Navigation
   =========================== */
.site-header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--primary-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-logo img {
    height: 50px;
    width: auto;
}

.site-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.site-description {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    font-weight: 500;
    color: var(--text-color);
    padding: 0.5rem 0;
    position: relative;
}

.main-navigation a:hover,
.main-navigation a.active {
    color: var(--primary-color);
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.main-navigation a:hover::after,
.main-navigation a.active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* ===========================
   Hero Section
   =========================== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ===========================
   Search Section
   =========================== */
.search-section {
    background: var(--bg-white);
    padding: 3rem 0;
    box-shadow: var(--shadow);
}

.search-container {
    max-width: 900px;
    margin: 0 auto;
}

.search-title {
    text-align: center;
    margin-bottom: 2rem;
}

.document-search-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.search-input-wrapper {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 1rem 3rem 1rem 1rem;
    font-size: 1.125rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.search-filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-filter-select {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.search-filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-button {
    background: var(--primary-color);
    color: white;
    padding: 1rem 3rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===========================
   Categories Section
   =========================== */
.categories-section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.category-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.category-description {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.category-count {
    display: inline-block;
    background: var(--bg-light);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--text-light);
}

.subcategories-list {
    margin-top: 1rem;
    padding-left: 0;
    list-style: none;
}

.subcategories-list li {
    padding: 0.5rem 0;
    border-top: 1px solid var(--border-color);
}

.subcategories-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-color);
}

.subcategories-list a:hover {
    color: var(--primary-color);
}

/* ===========================
   Documents Grid
   =========================== */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.document-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.document-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.document-thumbnail {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-light);
}

.document-content {
    padding: 1.5rem;
}

.document-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.document-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.document-excerpt {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.document-button {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.document-button:hover {
    background: var(--primary-dark);
    color: white;
}

/* ===========================
   Contact Section
   =========================== */
.contact-section {
    background: var(--bg-white);
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-item-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item-content h3 {
    margin-bottom: 0.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 600;
}

.form-input,
.form-textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.form-submit:hover {
    background: var(--primary-dark);
}

/* ===========================
   Footer
   =========================== */
.site-footer {
    background: var(--text-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-widget h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-widget ul {
    list-style: none;
}

.footer-widget li {
    margin-bottom: 0.5rem;
}

.footer-widget a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-widget a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ===========================
   Utilities
   =========================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .hero-title { font-size: 2rem; }
    .hero-description { font-size: 1rem; }
    
    .mobile-menu-toggle { display: block; }
    
    .main-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        display: none;
        box-shadow: var(--shadow);
    }
    
    .main-navigation.active {
        display: flex;
    }
    
    .main-navigation ul {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .main-navigation li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .main-navigation a {
        display: block;
        padding: 1rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .search-filters {
        flex-direction: column;
    }
    
    .search-filter-select {
        width: 100%;
    }
}