:root {
    --primary-color: #FFD700; /* Gold */
    --secondary-color: #111111; /* Black/Dark background */
    --accent-color: #222222; /* Slightly lighter black */
    --text-color: #ffffff; /* White text */
    --light-bg: #181818; /* For sections */
    --white: #ffffff;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--secondary-color);
}

/* Navbar Styles */
.navbar {
    background-color: var(--secondary-color);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.25);
}

.logo img {
    height: 50px;
}

.nav-buttons {
    display: flex;
    gap: 1rem;
}

/* Button Styles */
.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(.4,0,.2,1);
    font-size: 1rem;
    border: none;
    background: linear-gradient(90deg, #FFD700 0%, #FFC300 100%);
    color: var(--secondary-color);
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.btn-login, .btn-register, .btn-primary {
    background: linear-gradient(90deg, #FFD700 0%, #FFC300 100%);
    color: var(--secondary-color);
    border: none;
}

.btn:after {
    content: "";
    position: absolute;
    left: -75%;
    top: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(120deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.0) 100%);
    transform: skewX(-20deg);
    transition: left 0.5s cubic-bezier(.4,0,.2,1);
    z-index: 1;
}

.btn:hover:after {
    left: 120%;
}

.btn:hover {
    box-shadow: 0 0 16px 4px #FFD700, 0 4px 16px rgba(255, 215, 0, 0.25);
    filter: brightness(1.1);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(17, 17, 17, 0.95), rgba(34, 34, 34, 0.95)),
                url('https://images.unsplash.com/photo-1511882150382-421056c89033?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1rem;
    margin-top: 70px;
}

.hero-content {
    max-width: 800px;
    color: var(--text-color);
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--white);
    text-shadow: 0 1px 4px rgba(0,0,0,0.20);
}

/* Features Section */
.features {
    padding: 5rem 5%;
    background-color: var(--light-bg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--accent-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    transition: transform 0.3s ease, box-shadow 0.3s;
    color: var(--text-color);
    border: 1px solid #FFD70022;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 8px 32px 0 #FFD70044;
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 2rem 5%;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }
    .logo img {
        height: 38px;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    .features {
        padding: 3rem 1rem;
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-buttons {
        gap: 0.5rem;
    }
    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    .hero-content h1 {
        font-size: 1.3rem;
    }
    .hero-content p {
        font-size: 0.95rem;
    }
    .feature-card {
        padding: 1.2rem;
    }
}