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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --success-bg: #f0fdf4;
    --warning-color: #ec4899;
    --warning-bg: #fdf2f8;
    --error-color: #ef4444;
    --danger-color: #ef4444;
    --danger-bg: #fef2f2;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-success, .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar {
    padding: 1rem 0;
    position: relative;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.nav-brand:hover {
    transform: translateY(-2px);
    color: var(--primary-dark);
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.mobile-menu-toggle:hover {
    background-color: var(--bg-secondary);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Мобильное меню */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 12px 12px;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    overflow: hidden;
}

.mobile-menu.active {
    display: block;
    animation: slideDown 0.3s ease-out;
}

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

.mobile-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu li {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.mobile-menu li:hover {
    background-color: var(--bg-secondary);
}

.mobile-menu li:last-child {
    border-bottom: none;
    border-radius: 0 0 12px 12px;
}

.mobile-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-weight: 500;
    border-left: 3px solid transparent;
}

.mobile-menu a i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.mobile-menu a:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.mobile-menu a:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.mobile-menu a.btn-primary {
    background: var(--primary-color);
    color: white;
    justify-content: center;
    border-left-color: transparent;
    margin: 0 1.5rem;
    border-radius: 8px;
}

.mobile-menu a.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero h1 {
    margin-bottom: 1.5rem;
    color: white;
}

.highlight {
    background: linear-gradient(135deg, var(--accent-color), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #ec4899 !important;
    display: block;
}

/* Цвета для элементов статистики */
.stat-time {
    color: #ec4899 !important;
}

.stat-lots {
    color: #ec4899 !important;
}

.stat-risks {
    color: #ec4899 !important;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-dashboard {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.dashboard-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: white;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.tender-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tender-header h4 {
    color: white;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.tender-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.budget, .deadline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

.ai-analysis {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.analysis-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid transparent;
}

.analysis-item.success {
    border-left-color: var(--success-color);
}

.analysis-item.warning {
    border-left-color: var(--warning-color);
}

.analysis-item.info {
    border-left-color: var(--primary-color);
}

.analysis-item i {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-top: 0.125rem;
}

.analysis-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.analysis-title {
    font-weight: 600;
    color: #000000;
    font-size: 0.875rem;
}

.analysis-desc {
    color: #000000;
    font-size: 0.8rem;
    line-height: 1.4;
}

.tender-actions {
    display: flex;
    gap: 0.75rem;
}

.tender-actions button {
    flex: 1;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    align-items: stretch;
}

.feature-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.feature-content h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.feature-problem, .feature-solution {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.feature-problem strong {
    color: var(--error-color);
}

.feature-solution strong {
    color: var(--success-color);
}

.feature-value {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    margin: 1.5rem 0;
    font-size: 0.875rem;
    font-weight: 500;
    flex-shrink: 0;
}

.feature-value i {
    color: var(--accent-color);
}

.btn-example {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    margin-top: auto;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--bg-primary);
    margin: 5% auto;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.close {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.close:hover {
    color: var(--text-primary);
}

/* Report Example Section */
.report-example-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.report-preview {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.report-header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.report-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.report-title i {
    font-size: 1.5rem;
}

.report-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
}

.report-confidence {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

.report-content {
    padding: 2rem;
}

.report-section {
    margin-bottom: 2rem;
}

.report-section:last-child {
    margin-bottom: 0;
}

.report-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.info-item .label {
    font-weight: 500;
    color: var(--text-secondary);
}

.info-item .value {
    font-weight: 600;
    color: var(--text-primary);
}

.info-item .value.price {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.match-result {
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.match-result.success {
    background: var(--success-bg);
    border-color: var(--success-color);
}

.match-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.match-header i {
    color: var(--success-color);
    font-size: 1.5rem;
}

.match-status {
    font-weight: 700;
    color: var(--success-color);
    font-size: 1.1rem;
}

.match-confidence {
    background: var(--success-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-left: auto;
}

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

.risk-item {
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.risk-item.high {
    background: var(--danger-bg);
    border-color: var(--danger-color);
}

.risk-item.medium {
    background: var(--warning-bg);
    border-color: var(--warning-color);
}

.risk-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.risk-item.high .risk-header {
    color: var(--danger-color);
}

.risk-item.medium .risk-header {
    color: var(--warning-color);
}

.risk-item ul {
    margin: 0;
    padding-left: 1.5rem;
}

.risk-item li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.recommendation {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.recommendation-score {
    text-align: center;
    min-width: 80px;
}

.recommendation-score .score {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--success-color);
    line-height: 1;
}

.recommendation-score .score-max {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.recommendation-text p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.recommendation-details {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.detail-item i {
    color: var(--accent-color);
}

.report-actions {
    padding: 2rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.report-actions button {
    min-width: 200px;
}

/* Стили для демонстрации отчета в модальном окне */
.report-demo {
    padding: 2rem;
}

.report-demo h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.demo-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}

.demo-step {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.demo-step h4 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.demo-step p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.demo-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--success-color), var(--accent-color));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.demo-progress span {
    font-size: 0.9rem;
    color: var(--success-color);
    font-weight: 600;
    min-width: 80px;
}

.demo-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.demo-actions button {
    min-width: 180px;
}

/* Demo & Contact Section */
.demo-contact-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.2s ease;
}

.contact-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}



/* Demo Section (legacy) */
.demo-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.demo-form-container {
    max-width: 500px;
    margin: 0 auto;
}

.demo-form {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: border-color 0.2s ease;
    background: var(--bg-primary);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

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

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    transition: all 0.3s ease;
}

.footer-brand:hover {
    transform: translateY(-2px);
    color: rgba(255, 255, 255, 0.9);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section ul li 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, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
        z-index: 1002;
    }
    
    .navbar {
        position: relative;
        z-index: 1000;
    }
    
    .mobile-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border: 1px solid var(--border-color);
        border-top: none;
        border-radius: 0 0 12px 12px;
        box-shadow: var(--shadow-lg);
        z-index: 1000;
        overflow: hidden;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        height: auto;
        min-height: auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    /* Адаптивность для секции отчета */
    .report-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .report-meta {
        justify-content: center;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .risks-grid {
        grid-template-columns: 1fr;
    }
    
    .recommendation {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .recommendation-details {
        justify-content: center;
    }
    
    .report-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .report-actions button {
        width: 100%;
        max-width: 300px;
    }
    
    .demo-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .demo-actions button {
        width: 100%;
        max-width: 300px;
    }
    
    /* Адаптивность для контактной секции */
    .contact-methods {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .contact-method {
        padding: 1rem 1.5rem;
        width: 100%;
        max-width: 300px;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta button {
        width: 100%;
        max-width: 300px;
    }
    
    .features {
        padding: 60px 0;
    }
    
    .features-grid {
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .demo-section,
    .contact {
        padding: 60px 0;
    }
    
    .demo-form,
    .contact-form {
        padding: 1.5rem;
    }
    
    .mobile-menu {
        top: 100%;
    }
    
    .mobile-menu a {
        padding: 1.25rem 1.5rem;
        font-size: 1.1rem;
    }
    
    .mobile-menu a i {
        font-size: 1.2rem;
    }
    
    .mobile-menu a.btn-primary {
        margin: 0 1rem;
    }
}