@font-face {
    font-family: 'valorant';
    src: url('./fonts/Orbitron-Bold.ttf') format('truetype');
}

@font-face {
    font-family: 'sd-dystopian';
    src: url('./fonts/sd-dystopian.otf') format('opentype');
}

@font-face {
    font-family: 'eurostile';
    src: url('./fonts/EuroStyleNormal.ttf') format('truetype');
}


:root {
    --cyber-red: #dd0000;
    --cyber-red-transparent: rgba(221, 0, 0, 0.05);
    --cyber-dark: #1a1a1a;
    --cyber-black: #0A0A0F;
    --cyber-white: #FFFFFF;
    --cyber-gray: #888888;
    --navbar-height: 80px;
    --content-padding: 2rem;
}

body {
    background-color: var(--cyber-black);
    color: var(--cyber-white);
    margin: 0;
   
}
main{
    padding:1.5em;
}

.content-header {
    margin-top: calc(var(--navbar-height) + 2rem);
    text-align: center;
    padding: 2rem;
    position: relative;
}

.content-header h2 {
    font-size: 2.8rem;
    color: var(--cyber-white);
    margin-bottom: 2rem;
    text-shadow: 0 0 10px rgba(221, 0, 0, 0.5);
    font-family: 'valorant', sans-serif;
}

.filter-container {
    max-width: 1200px;
    margin: 0 auto 2rem;
    padding: 0 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-dropdown {
    display: none;
    width: 90%;
    max-width: 250px;
    margin: 0 auto 2rem;
    position: relative;
}

.filter-dropdown select {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    background-color: var(--cyber-dark);
    color: var(--cyber-white);
    border: 2px solid var(--cyber-red);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.filter-dropdown::after {
    content: '▼';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cyber-red);
    pointer-events: none;
}

@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .content-header h2 {
        font-size: 2.4rem;
    }

    .team-card {
        padding: 1.8rem;
    }
}

@media (max-width: 768px) {
    .content-header {
        padding: 1.5rem;
        margin-top: calc(var(--navbar-height) + 1rem);
    }

    .content-header h2 {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    .filter-container {
        display: none;
    }

    .filter-dropdown {
        display: block;
    }

    .search-container {
        padding: 0 1.5rem;
    }

    #searchInput {
        padding: 0.8rem 1.2rem;
    }

    .team-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
        padding: 1rem;
    }

    .team-card {
        min-height: auto;
    }

    .problem-id {
        font-size: 1.1rem;
        padding: 0.6rem 1rem;
        top: -12px;
        right: -8px;
    }

    .team-card h2 {
        font-size: 1.6rem;
        margin-bottom: 1.2rem;
    }
}

@media (max-width: 480px) {
    .content-header h2 {
        font-size: 1.8rem;
    }

    .team-card {
        padding: 1.5rem;
    }

    .team-info p {
        font-size: 1.1rem;
    }

    .search-container {
        padding: 0 1rem;
    }

    #searchInput {
        font-size: 1rem;
    }
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    background-color: var(--cyber-dark);
    border: 2px solid var(--cyber-red);
    color: var(--cyber-white);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    min-width: 120px;
}

.filter-btn.active {
    background-color: var(--cyber-red);
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(221, 0, 0, 0.3);
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(221, 0, 0, 0.2);
}

.search-container {
    max-width: 600px;
    margin: 0 auto 2rem;
    padding: 0 2rem;
}

#searchInput {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid var(--cyber-red);
    background-color: var(--cyber-dark);
    color: var(--cyber-white);
    font-family: 'eurostile', sans-serif;
    font-size: 1.2rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: var(--content-padding);
    max-width: 1400px;
    margin: 0 auto;
}

.team-card {
    background-color: var(--cyber-dark);
    border: 2px solid var(--cyber-red);
    padding: 2rem;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    opacity: 0;
    transform: translateY(30px);
    font-family: 'eurostile', sans-serif;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.team-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(221, 0, 0, 0.2);
}

.problem-id {
    position: absolute;
    top: -15px;
    right: -15px;
    background-color: var(--cyber-red);
    color: var(--cyber-white);
    padding: 0.8rem 1.2rem;
    font-size: 1.2rem;
    transform: rotate(5deg);
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 1;
    font-weight: bold;
}

.team-card h2 {
    color: var(--cyber-red);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    position: relative;
    display: inline-block;
}

.team-info {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid rgba(221, 0, 0, 0.2);
}

.team-info p {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.institute {
    color: var(--cyber-gray);
    font-size: 1.2rem;
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .content-header h2 {
        font-size: 2.2rem;
    }

    .team-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        padding: 1rem;
    }

    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 1rem;
    }

    .problem-id {
        font-size: 1.1rem;
        padding: 0.6rem 1rem;
    }
}