/* ===== RESET AND BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* ===== FLOATING PARTICLES ===== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.particle:nth-child(1) { left: 20%; animation-delay: 0s; animation-duration: 6s; }
.particle:nth-child(2) { left: 40%; animation-delay: 1s; animation-duration: 8s; }
.particle:nth-child(3) { left: 60%; animation-delay: 2s; animation-duration: 7s; }
.particle:nth-child(4) { left: 80%; animation-delay: 3s; animation-duration: 9s; }
.particle:nth-child(5) { left: 10%; animation-delay: 4s; animation-duration: 5s; }
.particle:nth-child(6) { left: 30%; animation-delay: 5s; animation-duration: 10s; }
.particle:nth-child(7) { left: 50%; animation-delay: 2.5s; animation-duration: 6.5s; }
.particle:nth-child(8) { left: 70%; animation-delay: 3.5s; animation-duration: 8.5s; }
.particle:nth-child(9) { left: 90%; animation-delay: 4.5s; animation-duration: 7.5s; }
.particle:nth-child(10) { left: 15%; animation-delay: 1.5s; animation-duration: 9.5s; }

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10%, 90% {
        opacity: 1;
    }
    50% {
        transform: translateY(-10px) rotate(180deg);
    }
}

/* Navigation Styles */
.navbar {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.7rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.nav-text h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.1rem;
    white-space: nowrap;
}

.nav-text p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    gap: 0.3rem;
    align-items: center;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.8rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateY(-1px);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.nav-link i {
    font-size: 0.85rem;
}

.nav-link span {
    white-space: nowrap;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: 0.3s;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.btn-ghost {
    background: transparent;
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
}

/* ===== HERO SECTION (Головна сторінка) ===== */
.hero-section {
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    z-index: 2;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 0.5rem 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.hero-badge i {
    color: #74b9ff;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.title-accent {
    background: linear-gradient(135deg, #74b9ff, #0984e3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}

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

/* ===== SECTIONS ===== */
.section {
    padding: 80px 0;
    position: relative;
    z-index: 2;
}

.section.bg-secondary {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.section-title i {
    color: #74b9ff;
    font-size: 2rem;
}

.section-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== FEATURES GRID ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* ===== QUICK LINKS (Головна сторінка) ===== */
.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.quick-link-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.quick-link-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.quick-link-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.quick-link-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.quick-link-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* ===== STATS SECTION (Головна сторінка) ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #74b9ff;
    margin-bottom: 0.5rem;
    display: block;
}

.stat-label {
    font-size: 1.1rem;
    color: white;
    font-weight: 500;
}

/* ===== FOOTER ===== */
.footer {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 1rem;
    position: relative;
    z-index: 2;
}

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

.footer-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section li {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

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

.footer-section a {
    color: #74b9ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

.footer-tech {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-tech a {
    color: #74b9ff;
    text-decoration: none;
}

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

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.mb-5 {
    margin-bottom: 3rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .navbar-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-links-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

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