/* CSS переменные */
:root {
    --titan-orange: #ff7b25;
    --titan-blue: #1a237e;
    --space-dark: #0a0a1a;
    --space-light: #1a1a2e;
    --methane-blue: #4fc3f7;
    --text-light: #e0e0e0;
}

/* Базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, var(--space-dark) 0%, var(--space-light) 100%);
    color: var(--text-light);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    line-height: 1.6;
}

/* Навигация */
.navbar {
    background: rgba(10, 10, 26, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--titan-orange);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--titan-orange) !important;
}

/* Карточки */
.feature-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 123, 37, 0.3);
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(255, 123, 37, 0.2);
}

/* Кнопки */
.btn-titan {
    background: linear-gradient(45deg, var(--titan-orange), #ff5252);
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-titan:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 123, 37, 0.4);
    color: white;
}

.btn-outline-titan {
    border: 2px solid var(--titan-orange);
    color: var(--titan-orange);
    background: transparent;
    padding: 10px 28px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* Заголовки секций */
.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 3rem;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--titan-orange);
}

/* Футер */
.footer {
    background: rgba(0, 0, 0, 0.8);
    border-top: 1px solid rgba(255, 123, 37, 0.3);
    margin-top: auto;
}

/* Утилиты */
.fact-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--titan-orange);
    display: block;
    line-height: 1;
}

.text-titan {
    color: var(--titan-orange) 
}

.bg-space-dark {
    background-color: var(--space-dark) 
}