* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.header {
    background-color: white;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    max-height: 45px;
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 15px;
}

.signup-button {
    color: #025ee3;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    padding: 8px 10px;
    border-radius: 6px;
    border: 2px solid #025ee3;
}

.signup-button:hover {
   transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    max-width: 150px;
    max-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/*.logo img {*/
/*    max-width: 100%;  !* Ширина не превышает ширину родителя *!*/
/*    max-height: 100%; !* Высота не превышает высоту родителя *!*/
/*    object-fit: contain; !* Сохраняет пропорции, не обрезая *!*/
/*}*/

/*.logo {*/
/*    display: flex;*/
/*    align-items: center;*/
/*    font-size: 24px;*/
/*    font-weight: 700;*/
/*    color: #2c3e50;*/
/*    text-decoration: none;*/
/*    transition: opacity 0.3s ease;*/
/*}*/

/*.logo:hover {*/
/*    opacity: 0.8;*/
/*}*/

/*.logo-icon {*/
/*    width: 40px;*/
/*    height: 40px;*/
/*    background: linear-gradient(135deg, #3498db, #5dade2);*/
/*    margin-right: 12px;*/
/*    border-radius: 8px;*/
/*    display: flex;*/
/*    align-items: center;*/
/*    justify-content: center;*/
/*    color: white;*/
/*    font-size: 20px;*/
/*}*/

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: #000000;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #025de1;
}

.cta-button {
    background: linear-gradient(135deg, #025ee3, #0055ff);
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

/* Hero Section */
.hero {
        background: linear-gradient(0deg, #895cb7 0%, #4f4a9e 30%, #025ee3 100%);
    color: white;
    padding: 150px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.1"><circle cx="30" cy="30" r="4"/></g></svg>') repeat;
    opacity: 0.1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    color: #025de1;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

/* Problems Section */
.problems {
    padding: 100px 0;
    background: white;
    padding-bottom: 200px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 60px;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.problem-card {
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
    box-shadow: 0 20px 40px rgb(255 0 0 / 21%)
}

.problem-card:hover {
        transform: translateY(-10px);
    border-color: #f92424;
    box-shadow: 0 20px 40px rgba(52, 152, 219, 0.1);
}

.problem-n {
    width: 60px;
    height: 60px;
    background: #e74c3c;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.problem-card p {
    color: #7f8c8d;
    margin-bottom: 20px;
}

.problem-list {
    list-style: none;
    justify-items: center;
}

.problem-list li {
    padding: 8px 0;
    color: #7f8c8d;
    display: flex;
    align-items: center;
}

.problem-list li::before {
    content: '•';
    color: #e74c3c;
    font-size: 20px;
    margin-right: 10px;
}

/* Data Flow Section */
.data-flow {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding-bottom: 200px;
}

.flow-diagram {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 60px 0;
    flex-wrap: nowrap;
    gap: 30px;
}

.flow-step {
    text-align: center;
    flex: 1;
    min-width: 200px;
}

.flow-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #025ee3, #0055ff);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.3);
}

.flow-step h4 {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

.flow-step p {
    color: #7f8c8d;
    font-size: 14px;
}

.flow-arrow {
    font-size: 24px;
    color: #3498db;
    margin: 0 20px;
}

.ai-platform {
    background: linear-gradient(0deg, #895cb7 0%, #4f4a9e 30%, #025ee3 100%);
    color: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    margin: 40px 0;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.ai-platform h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.ai-platform p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.ai-features {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.ai-feature {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    flex: 1;
    min-width: 150px;
}

.ai-feature i {
    font-size: 24px;
    margin-bottom: 10px;
    display: block;
}

/* Solution Section */
.solution {
    padding: 100px 0;
    background: white;
    padding-bottom: 200px;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.solution-card {
    /*background: #f8f9fa;*/
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.solution-card:hover {
    transform: translateY(-10px);
    border-color: #3498db;
    box-shadow: 0 20px 40px rgba(52, 152, 219, 0.1);
}

.solution-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    margin: 0 auto 30px;
}

.solution-card:nth-child(1) .solution-icon {
    background: linear-gradient(135deg, #025ee3, #0055ff);
}

.solution-card:nth-child(2) .solution-icon {
    background: linear-gradient(0deg, #895cb7 0%, #4f4a9e 30%, #025ee3 100%);
}

.solution-card:nth-child(3) .solution-icon {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.solution-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 20px;
}

.solution-card p {
    color: #7f8c8d;
    margin-bottom: 30px;
}

.feature-list {
    list-style: none;
    text-align: left;
}

.feature-list li {
    padding: 8px 0;
    color: #7f8c8d;
    display: flex;
    align-items: center;
}

.feature-list li::before {
    content: '✓';
    color: #2ecc71;
    font-weight: bold;
    margin-right: 10px;
}

/* Market Section */
.market {
    padding: 100px 0;
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    color: white;
}

.market-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.market-stat {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.market-stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    margin: 0 auto 20px;
}

.market-stat h3 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.market-stat p {
    opacity: 0.9;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(0deg, #895cb7 0%, #4f4a9e 30%, #025ee3 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-large.primary {
    background: white;
    color: #025ede;
}

.btn-large.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 255, 255, 0.2);
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-section p,
.footer-section li {
    color: #bdc3c7;
    margin-bottom: 10px;
}

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

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #3498db;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 30px;
    text-align: center;
    color: #bdc3c7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .flow-diagram {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
        margin: 20px 0;
    }

    .ai-features {
        flex-direction: column;
    }

    .section-title {
        font-size: 28px;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}