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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
}

.project-header {
    text-align: center;
    margin-bottom: 10px;
    padding: 40px 0;
}

.project-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-subtitle {
    font-size: 1.3rem;
    color: #b0b0b0;
    margin-bottom: 40px;
}

.video-section {
    text-align: center;
    margin-bottom: 120px;
}

.video-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    background: #111;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-video {
    width: 100%;
    height: auto;
    display: block;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 100px;
    padding: 18px 35px;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    color: #000;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.project-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.project-link:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #0099cc, #00d4ff);
}

.project-link:hover::before {
    left: 100%;
}

.project-link:hover::after {
    transform: translateX(5px);
}

.description-section {
    margin-bottom: 80px;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #00d4ff;
    /* border-left: 4px solid #00d4ff; */
    /* padding-left: 20px; */
}

.description-content {
    font-size: 1.1rem;
    color: #e0e0e0;
    line-height: 1.8;
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    padding: 25px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

.feature-title {
    font-size: 1.3rem;
    color: #00d4ff;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-description {
    color: #c0c0c0;
    line-height: 1.6;
}

.challenges-section {
    margin-bottom: 60px;
}

.challenge-item {
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    /* border-left: 3px solid #ff6b6b; */
    border-radius: 0 10px 10px 0;
}

.challenge-title {
    color: #ff6b6b;
    font-weight: 600;
    margin-bottom: 10px;
}

.solution-title {
    color: #4ecdc4;
    font-weight: 600;
    margin: 15px 0 10px 0;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 30px 0;
}

.tech-item {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.contributors-section {
    text-align: center;
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contributors-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 60px;
}

.contributor {
    text-align: center;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.contributor:hover {
    opacity: 1;
}

.contributor-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-weight: bold;
    font-size: 1.2rem;
    color: #000;
}

.contributor-name {
    font-size: 0.9rem;
    color: #b0b0b0;
}

@media (max-width: 768px) {
    .project-title {
        font-size: 2.5rem;
    }

    .container {
        padding: 20px 15px;
    }

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

.pointer {
    cursor: pointer;
}

a {
    text-decoration: none;
    color: inherit;
}

.watermark {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    text-decoration: none;
    transition: all 0.3s ease;
}

.watermark-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.watermark-circle img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.watermark:hover {
    transform: translateY(-2px);
}

.project-video::-webkit-media-controls-audio-control-button,
.project-video::-webkit-media-controls-volume-slider-container,
.project-video::-webkit-media-controls-volume-control-container {
    display: none;
}

@media (max-width: 768px) {
    .watermark {
        top: 15px;
        left: 15px;
    }

    .watermark-circle {
        width: 45px;
        height: 45px;
    }

    .watermark-text {
        font-size: 0.8rem;
    }
}