:root {
    --main-color: #ff3600;
    --secondary-color: #1E90FF;
    --dark-bg: #0a0a0a;
    --text-color: #fff;
}

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

body {
    background: var(--dark-bg);
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.navbar-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-links a:hover {
    color: var(--main-color);
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 5px;
    padding: 0.5rem 0;
    min-width: 150px;
    z-index: 1000;
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: background 0.3s ease;
}

.dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.btn-invite {
    background: linear-gradient(45deg, var(--main-color), var(--secondary-color));
    padding: 0.5rem 1rem;
    border-radius: 25px;
    text-decoration: none;
    color: white;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.btn-invite:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--main-color);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    background: radial-gradient(circle at center, rgba(255,54,0,0.1) 0%, transparent 60%);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--main-color);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.features {
    padding: 4rem 2rem;
    text-align: center;
    background: rgba(255,255,255,0.05);
}

.features h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--main-color);
}

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

.feature-card {
    background: rgba(255,255,255,0.05);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
    border: 1px solid var(--main-color);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card i {
    font-size: 3rem;
    color: var(--main-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--main-color);
}

.feature-card p {
    color: var(--text-color);
}

.statistics {
    padding: 4rem 2rem;
    text-align: center;
}

.statistics h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--main-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-card {
    background: rgba(255,255,255,0.05);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--main-color);
}

.stat-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--main-color);
}

.cta {
    padding: 4rem 2rem;
    text-align: center;
    background: rgba(255,255,255,0.05);
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--main-color);
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

footer {
    padding: 2rem;
    text-align: center;
    background: rgba(255,255,255,0.05);
}

footer img {
    width: 100px;
    margin-bottom: 1rem;
}

footer p {
    color: var(--text-color);
}

footer a {
    color: var(--main-color);
    text-decoration: none;
}

.robot-head {
    position: absolute;
    opacity: 0.3;
    animation: floatRobot 10s linear infinite;
    font-size: 2rem;
    color: var(--main-color);
}

@keyframes floatRobot {
    0% { transform: translateY(100vh) rotate(0deg); }
    100% { transform: translateY(-100vh) rotate(360deg); }
}