:root {
    --primary-color: #ff4500;
    --secondary-color: #1a1a1a;
    --background-color: #121212;
    --text-color: #ffffff;
    --card-bg: #1e1e1e;
    --header-gradient-start: #8B0000;
    --header-gradient-end: #ff4500;
}

* {
    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-color: var(--background-color);
}

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

header {
    background: linear-gradient(135deg, var(--header-gradient-start), var(--header-gradient-end));
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 50px;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    z-index: 1;
}

.header-content {
    position: relative;
    z-index: 2;
    background: rgba(0, 0, 0, 0.5);
    padding: 40px;
    border-radius: 10px;
    backdrop-filter: blur(5px);
    max-width: 800px;
    margin: 0 auto;
}

.header-image {
    display: none;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.button-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    background-color: var(--card-bg);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
    min-width: 160px;
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    background-color: var(--primary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

section {
    padding: 80px 0;
    text-align: center;
}

.features {
    background-color: var(--secondary-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    padding: 30px;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.safety-section {
    background-color: var(--card-bg);
    color: white;
}

.video-section {
    background-color: var(--secondary-color);
    padding: 80px 0;
    text-align: center;
}

.video-wrapper {
    width: 100%;
    max-width: 1000px;
    margin: 40px auto 20px;
    position: relative;
    padding-top: 45%;
    cursor: pointer;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: opacity 0.3s ease;
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.play-icon {
    width: 80px;
    height: 80px;
    background: rgba(139, 0, 0, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.play-icon::after {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 20px 0 20px 35px;
    border-color: transparent transparent transparent white;
    margin-left: 5px;
}

.video-overlay:hover .play-icon {
    transform: scale(1.1);
    background: rgba(139, 0, 0, 1);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    object-fit: cover;
    aspect-ratio: 16/9;
}

.video-credit-inline {
    text-align: right;
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 5px;
}

.video-credit-inline a {
    color: var(--text-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

.video-credit-inline a:hover {
    opacity: 0.5;
}

.footer-toggle {
    position: relative;
    display: inline-block;
    background-color: transparent;
    color: #666;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 0.8rem;
    opacity: 0.7;
    transition: opacity 0.3s;
    user-select: none;
    text-align: right;
    width: 100%;
    pointer-events: none;
}

.footer-toggle:hover {
    opacity: 1;
    color: #999;
}

.footer-toggle span {
    border-bottom: 1px dotted #666;
    pointer-events: auto;
    cursor: pointer;
}

footer {
    background-color: var(--card-bg);
    color: white;
    padding: 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s ease-in-out;
    margin-top: 20px;
    pointer-events: none;
    opacity: 0;
}

footer.active {
    max-height: 200px;
    padding: 20px 0;
    pointer-events: auto;
    opacity: 1;
}

footer p {
    font-size: 0.8rem;
    opacity: 0.8;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    position: relative;
    transition: all 0.3s ease;
    padding: 0 2px;
}

footer a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease;
}

footer a:hover {
    color: #ffa500;
    opacity: 1;
}

footer a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.footer-container {
    text-align: right;
    padding: 20px 0;
}

.btn-secure {
    position: relative;
    text-decoration: none;
    cursor: pointer;
}

.btn-secure::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.video-credit {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.video-credit a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

.video-credit a:hover {
    opacity: 0.8;
}

.countdown-banner {
    background: linear-gradient(45deg, #8B0000, #ff4500);
    color: white;
    text-align: center;
    padding: 10px;
    font-size: 1.1rem;
    font-weight: 500;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.countdown-banner .countdown {
    display: inline-block;
    margin-left: 10px;
    font-weight: 600;
}

.countdown-banner .countdown span {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 4px;
    margin: 0 2px;
}

@media (max-width: 768px) {
    .header-image {
        display: none;
    }

    h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }
}

.info-section {
    background-color: var(--secondary-color);
    padding: 80px 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.info-card {
    padding: 30px;
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
    text-align: left;
}

.info-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.info-card p {
    color: var(--text-color);
    line-height: 1.6;
    font-size: 1.1rem;
}