/* ============================================
   e-doxod.ru — Stylesheet
   Design: Clean, Minimalist, Conversion-focused
   Accent: #1E90FF (Dodger Blue)
   Secondary: #1DA1F2 (Telegram Blue)
   ============================================ */

/* CSS Variables */
:root {
    --primary: #1E90FF;
    --primary-dark: #1873CC;
    --secondary: #1DA1F2;
    --accent: #00C853;
    --text: #1a1a2e;
    --text-light: #4a4a6a;
    --text-muted: #7a7a9a;
    --bg: #ffffff;
    --bg-light: #f8f9fc;
    --bg-dark: #0f0f1a;
    --border: #e8e8f0;
    --shadow: 0 4px 24px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
    --header-height: 72px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text: #f0f0f5;
        --text-light: #c0c0d0;
        --text-muted: #808090;
        --bg: #0f0f1a;
        --bg-light: #1a1a2e;
        --border: #2a2a3e;
    }
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }

p {
    color: var(--text-light);
    font-size: 1.05rem;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text);
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav a:hover::after {
    width: 100%;
}

.nav a:hover {
    color: var(--text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 16px rgba(30, 144, 255, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 144, 255, 0.45);
    color: white;
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
    color: var(--text);
}

.btn-telegram {
    background: linear-gradient(135deg, #0088cc, #1DA1F2);
    color: white;
    box-shadow: 0 4px 16px rgba(0, 136, 204, 0.35);
}

.btn-telegram:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 136, 204, 0.45);
    color: white;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
    border-radius: var(--radius);
}

/* Mobile menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    margin: 6px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: calc(var(--header-height) + 80px) 0 100px;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(30,144,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(30, 144, 255, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.15rem;
}

.section-alt {
    background: var(--bg-light);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.product-card.featured {
    border: 2px solid var(--primary);
    background: linear-gradient(180deg, var(--bg) 0%, rgba(30,144,255,0.03) 100%);
}

.product-card.featured::before {
    content: 'ПОПУЛЯРНОЕ';
    position: absolute;
    top: 16px;
    right: -30px;
    background: var(--primary);
    color: white;
    padding: 4px 40px;
    font-size: 0.7rem;
    font-weight: 700;
    transform: rotate(45deg);
}

.product-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-light);
    color: var(--text-muted);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

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

.product-card p {
    font-size: 0.95rem;
    margin-bottom: 20px;
    color: var(--text-muted);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 20px;
}

.product-price .old-price {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: 8px;
    font-weight: 500;
}

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

.feature-item {
    padding: 32px;
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-item:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.feature-item h3 {
    margin-bottom: 12px;
    font-size: 1.15rem;
}

.feature-item p {
    font-size: 0.95rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow);
}

.testimonial-stars {
    color: #ffc107;
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.testimonial-name {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
}

.testimonial-role {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.cta-section h2 {
    color: white;
    margin-bottom: 16px;
    position: relative;
}

.cta-section p {
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-section .btn {
    background: white;
    color: var(--primary);
    position: relative;
    font-weight: 700;
}

.cta-section .btn:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* Telegram Widget */
.telegram-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
}

.telegram-widget a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: linear-gradient(135deg, #0088cc, #1DA1F2);
    color: white;
    border-radius: 100px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(0, 136, 204, 0.4);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.telegram-widget a:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.5);
    color: white;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(0, 136, 204, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(0, 136, 204, 0.6); }
}

/* Blog */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.blog-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

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

.blog-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.blog-card-content {
    padding: 28px;
}

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

.blog-card h3 {
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.blog-card p {
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.read-more {
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Article Page */
.article {
    padding-top: calc(var(--header-height) + 40px);
    max-width: 800px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 40px;
}

.article-header h1 {
    margin-bottom: 16px;
}

.article-meta {
    display: flex;
    gap: 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.article-content h2 {
    margin: 40px 0 20px;
    font-size: 1.6rem;
}

.article-content h3 {
    margin: 32px 0 16px;
    font-size: 1.3rem;
}

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

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

.article-content li {
    margin-bottom: 8px;
    color: var(--text-light);
}

.article-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 24px;
    margin: 24px 0;
    font-style: italic;
    color: var(--text-light);
}

/* Contacts */
.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.95rem;
}

/* Form */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Legal Pages */
.legal-content {
    padding-top: calc(var(--header-height) + 40px);
    max-width: 900px;
    margin: 0 auto;
}

.legal-content h1 {
    margin-bottom: 32px;
}

.legal-content h2 {
    margin: 40px 0 16px;
    font-size: 1.4rem;
}

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

.legal-content ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.legal-content li {
    margin-bottom: 8px;
    color: var(--text-light);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 60px 0 24px;
}

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

.footer-brand {
    color: white;
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-column h4 {
    color: white;
    font-size: 0.95rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.footer-column a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Tracking pixel placeholder */
.tracking-pixel {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .contacts-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow);
    }

    .nav.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .section {
        padding: 60px 0;
    }

    .hero {
        padding: calc(var(--header-height) + 40px) 0 60px;
    }

    .products-grid,
    .features-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .telegram-widget {
        bottom: 16px;
        right: 16px;
    }

    .telegram-widget a span {
        display: none;
    }

    .telegram-widget a {
        padding: 14px;
        border-radius: 50%;
    }
}

/* Print styles */
@media print {
    .header, .telegram-widget, .footer, .cta-section {
        display: none;
    }

    .section {
        padding: 20px 0;
    }
}