/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #1a1a1a;
    color: #e0e0e0;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

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

/* Dark Mode */
body.dark-mode {
    background-color: #0d0d0d;
    color: #f5f5f5;
}

body.dark-mode .navbar {
    background-color: #1a1a1a;
}

body.dark-mode .cta-button {
    background-color: #ff4d4d;
}

body.dark-mode .announcement {
    background-color: #2a2a2a;
}

/* Navbar */
.navbar {
    background-color: #121212;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    height: 40px;
    margin-right: 10px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ff3333;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: #e0e0e0;
    font-size: 1.5rem;
    cursor: pointer;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ff3333;
}

.nav-links a i {
    margin-right: 8px;
}

.btn-toggle {
    background: none;
    border: 1px solid #ff3333;
    color: #e0e0e0;
    padding: 8px 15px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn-toggle:hover {
    background-color: #ff3333;
}

/* Announcement */
.announcement {
    background-color: #2a2a2a;
    padding: 20px;
    text-align: center;
    border: 2px solid #ff3333;
    border-radius: 15px;
    margin: 20px 0;
}

.announcement p {
    max-width: 800px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://via.placeholder.com/1920x1080') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: #ff3333;
    margin-bottom: 20px;
}

.hero-content h1 i {
    margin-right: 15px;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 30px;
}

.cta-button {
    display: inline-block;
    background-color: #ff3333;
    color: #fff;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #e02b2b;
}

/* Features Section */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
}

.features h2 i {
    margin-right: 10px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: #2a2a2a;
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s;
}

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

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #ff3333;
}

.feature-card p i {
    margin-right: 10px;
}

/* Dark Mode Section */
.dark-mode-section {
    padding: 80px 0;
    background-color: #121212;
}

.dark-mode-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.dark-mode-section h2 i {
    margin-right: 10px;
}

.dark-mode-section p {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 30px;
}

.dark-mode-preview img {
    width: 100%;
    max-width: 800px;
    display: block;
    margin: 0 auto;
    border-radius: 10px;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact h2 i {
    margin-right: 10px;
}

.contact p {
    max-width: 600px;
    margin: 0 auto 30px;
}

/* Footer */
.footer {
    background-color: #121212;
    padding: 20px 0;
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
}

.footer a {
    color: #ff3333;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s, transform 0.6s;
}

.scroll-reveal.reveal {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 70px;
        left: 0;
        background-color: #121212;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}