body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #2b1055, #7597de);
    color: #ffffff;
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
}

/* Верхняя панель навигации */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 15px;
}

.nav-btn {
    background: transparent;
    color: #e0e0e0;
    border: none;
    padding: 8px 16px;
    font-size: 15px;
    cursor: pointer;
    border-radius: 20px;
    transition: 0.2s;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.nav-btn.active {
    background: #00d2ff;
    color: #121212;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.4);
}

.nav-search input {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 15px;
    border-radius: 20px;
    color: #fff;
    outline: none;
}

.nav-search input::placeholder {
    color: #ddd;
}

/* Основной экран (Hero) */
.hero-section {
    display: flex;
    justify-content: center;
    align-items: center;
    height: calc(100vh - 80px);
    padding: 0 50px;
}

.tab-pane {
    display: none;
    width: 100%;
    max-width: 1000px;
    animation: fadeIn 0.4s ease-in-out;
}

.tab-pane.active {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
}

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

/* Левая часть с текстом */
.text-side {
    flex: 1;
}

.badge {
    background: rgba(0, 210, 255, 0.2);
    color: #00d2ff;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: bold;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.text-side h1 {
    font-size: 40px;
    margin: 20px 0;
    line-height: 1.2;
}

.highlight {
    color: #00d2ff;
}

.text-side p {
    color: #e0e0e0;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn-primary {
    background: #00d2ff;
    color: #121212;
    border: none;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: bold;
    border-radius: 25px;
    cursor: pointer;
    transition: 0.2s;
    box-shadow: 0 5px 15px rgba(0, 210, 255, 0.4);
}

.btn-primary:hover {
    background: #00b4d8;
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: 12px 24px;
    font-size: 15px;
    font-weight: bold;
    border-radius: 25px;
    cursor: pointer;
    transition: 0.2s;
}

.btn-secondary:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* Правая часть с карточками */
.card-side {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-card h3 {
    margin: 0 0 10px 0;
    color: #00d2ff;
    font-size: 18px;
}

.feature-card p {
    margin: 0;
    color: #e0e0e0;
    font-size: 14px;
    line-height: 1.5;
}