/* ПомощникЖизни - Main Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@600;700&family=Inter:wght@400;500&display=swap');

:root {
    --primary: #DC2626;
    --primary-dark: #B91C1C;
    --secondary: #2563EB;
    --accent: #059669;
    --dark: #1E293B;
    --light-bg: #FEF2F2;
    --text: #334155;
    --text-light: #64748B;
    --white: #FFFFFF;
    --border: #E2E8F0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

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

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

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 15px 0;
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo svg {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: var(--text);
    padding: 8px 0;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    margin: 5px 0;
    transition: 0.3s;
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--white) 100%);
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--dark);
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 32px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

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

.btn-secondary {
    background: var(--secondary);
    color: var(--white);
}

.btn-secondary:hover {
    background: #1D4ED8;
    transform: translateY(-2px);
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.125rem;
}

/* Tool Cards Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.tool-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s;
}

.tool-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.tool-icon {
    width: 56px;
    height: 56px;
    background: var(--light-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.75rem;
}

.tool-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.tool-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.tool-card .btn {
    width: 100%;
    text-align: center;
}

/* Category Filter */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 32px;
}

.filter-btn {
    padding: 10px 20px;
    border: 1px solid var(--border);
    background: var(--white);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 32px;
}

.article-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.article-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-content {
    padding: 24px;
}

.article-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

.article-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.article-card h3 a:hover {
    color: var(--primary);
}

.article-card p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 4px 12px;
    background: var(--light-bg);
    color: var(--primary);
    border-radius: 15px;
    font-size: 0.8rem;
}

/* Stats Section */
.stats {
    background: var(--dark);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-item p {
    color: var(--white);
    opacity: 0.8;
}

/* Newsletter */
.newsletter {
    background: var(--light-bg);
    padding: 60px 0;
    text-align: center;
}

.newsletter h2 {
    margin-bottom: 16px;
}

.newsletter p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}

@media (max-width: 600px) {
    .newsletter-form {
        flex-direction: column;
    }
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    margin-top: 12px;
}

.footer h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255,255,255,0.5);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* Page Header */
.page-header {
    background: var(--light-bg);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.page-header p {
    color: var(--text-light);
    font-size: 1.125rem;
}

/* Tool Detail Page */
.tool-detail {
    padding: 60px 0;
}

.tool-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.tool-main {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
}

.tool-main h1 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.tool-description {
    color: var(--text-light);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--dark);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

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

.result-box {
    background: var(--light-bg);
    border-radius: 12px;
    padding: 24px;
    margin-top: 24px;
    text-align: center;
}

.result-box h3 {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.result-box .result-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.result-box .result-unit {
    color: var(--text-light);
    font-size: 1rem;
}

.related-tools {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    height: fit-content;
}

.related-tools h3 {
    font-size: 1.125rem;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.related-tools a {
    display: block;
    padding: 12px 0;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

.related-tools a:last-child {
    border-bottom: none;
}

.related-tools a:hover {
    color: var(--primary);
}

@media (max-width: 900px) {
    .tool-layout {
        grid-template-columns: 1fr;
    }
}

/* Article Page */
.article-detail {
    padding: 60px 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 40px;
}

.article-body {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
}

.article-hero {
    margin-bottom: 32px;
}

.article-hero img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
}

.article-content-body {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content-body h2 {
    font-size: 1.5rem;
    margin: 32px 0 16px;
}

.article-content-body p {
    margin-bottom: 20px;
}

.article-content-body ul,
.article-content-body ol {
    margin: 20px 0;
    padding-left: 24px;
}

.article-content-body li {
    margin-bottom: 8px;
}

.article-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.toc {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.toc h3 {
    font-size: 1rem;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.toc ul {
    list-style: none;
}

.toc li {
    margin-bottom: 10px;
}

.toc a {
    color: var(--text);
    font-size: 0.9rem;
}

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

.author-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 12px;
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    margin-bottom: 4px;
}

.author-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
    
    .article-sidebar {
        position: static;
    }
}

/* About Page */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.about-content img {
    border-radius: 12px;
    width: 100%;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.75rem;
}

.feature-card h3 {
    margin-bottom: 12px;
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-form {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
}

.contact-form h2 {
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    min-height: 120px;
}

.faq-section {
    margin-top: 60px;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
}

.faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--primary);
}

/* Legal Pages */
.legal-content {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary);
}

.legal-content h2 {
    font-size: 1.25rem;
    margin: 32px 0 16px;
}

.legal-content p {
    margin-bottom: 16px;
}

/* 404 Page */
.error-page {
    text-align: center;
    padding: 100px 20px;
}

.error-page h1 {
    font-size: 8rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.error-page h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.error-page p {
    color: var(--text-light);
    margin-bottom: 32px;
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-4 { margin-top: 32px; }
.mb-4 { margin-bottom: 32px; }