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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    min-height: 100vh;
    color: #e0e0e0;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 3rem 1rem;
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(224, 224, 224, 0.2);
    margin-bottom: 2rem;
    animation: slideDown 0.8s ease-out;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

header h1 {
    font-size: 2.5rem;
    color: #4adeff;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 8px rgba(74, 222, 255, 0.5);
}

header p {
    color: rgba(224, 224, 224, 0.9);
    font-size: 1.1rem;
}

.search-section {
    padding: 0 2rem;
    margin-bottom: 3rem;
    animation: slideUp 0.8s ease-out 0.2s both;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

#searchInput {
    width: 100%;
    padding: 1rem 1.5rem;
    padding-right: 3rem;
    border: 2px solid #4adeff;
    border-radius: 50px;
    background: rgba(26, 26, 46, 0.95);
    font-size: 1.1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
    color: #e0e0e0;
}

#searchInput:focus {
    outline: none;
    border-color: #4adeff;
    background: rgba(26, 26, 46, 1);
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(74, 222, 255, 0.3);
}

.search-icon {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    color: #666;
    pointer-events: none;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    animation: fadeIn 1s ease-out 0.4s both;
}

.skill-card {
    position: relative;
    height: 400px;
    perspective: 1000px;
    transform-style: preserve-3d;
    transition: transform 0.6s;
}

.skill-card:hover {
    transform: scale(1.05);
}

.card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.95), rgba(36, 36, 56, 0.95));
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    transition: all 0.6s ease;
    border: 1px solid rgba(74, 222, 255, 0.3);
}

.card-face.front {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #4adeff;
    transform: rotateY(0deg);
    border: 1px solid rgba(74, 222, 255, 0.5);
}

.card-face.back {
    background: linear-gradient(135deg, #16213e 0%, #0f3460 100%);
    color: #4adeff;
    transform: rotateY(180deg);
    border: 1px solid rgba(74, 222, 255, 0.5);
}

.skill-card:hover .card-face.front {
    transform: rotateY(-180deg);
}

.skill-card:hover .card-face.back {
    transform: rotateY(0deg);
}

.card-icon {
    font-size: 3rem;
    margin: 1rem 0;
    animation: float 3s ease-in-out infinite;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

p {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

ul {
    text-align: left;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.status {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status.available {
    background: rgba(74, 222, 255, 0.3);
    border: 2px solid #4adeff;
    color: #4adeff;
}

.status.coming-soon {
    background: rgba(255, 193, 7, 0.3);
    border: 2px solid #ffc107;
    color: #ffc107;
}

.skill-link {
    margin-top: 1rem;
    padding: 0.6rem 1.2rem;
    background: rgba(74, 222, 255, 0.2);
    border: 1px solid #4adeff;
    border-radius: 12px;
    color: #4adeff;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
}

.skill-link:hover {
    background: rgba(74, 222, 255, 0.4);
    transform: translateY(-2px);
}

footer {
    text-align: center;
    padding: 2rem;
    color: rgba(224, 224, 224, 0.8);
    margin-top: 3rem;
    animation: slideUp 0.8s ease-out 0.6s both;
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(74, 222, 255, 0.3);
}

.creator a {
    color: #4adeff;
    text-decoration: none;
    font-weight: bold;
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .skill-card {
        height: 380px;
    }

    header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .skill-card {
        height: 340px;
    }

    .card-face {
        padding: 1.5rem;
    }

    h3 {
        font-size: 1.3rem;
    }
}