:root {
    --bg-color: #0a0a0a;
    --text-color: #e0e0e0;
    --accent-color: #00ff41;
    /* Hacker Green */
    --secondary-accent: #ff00ff;
    /* Magenta for glitch */
    --card-bg: #111;
    --border-color: #333;
    --font-mono: 'JetBrains Mono', monospace;
    --font-san: 'Noto Sans KR', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-san);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scanline Effect */
.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(to bottom,
            rgba(255, 255, 255, 0),
            rgba(255, 255, 255, 0) 50%,
            rgba(0, 0, 0, 0.1) 50%,
            rgba(0, 0, 0, 0.1));
    background-size: 100% 4px;
    z-index: 999;
    pointer-events: none;
    opacity: 0.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Header */
header {
    margin-bottom: 3rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

h1 {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
    color: var(--accent-color);
}

.subtitle {
    font-family: var(--font-mono);
    color: #888;
    font-size: 1rem;
}

/* Glitch Effect */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
}

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 var(--secondary-accent);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -1px 0 #00ffff;
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% {
        clip: rect(12px, 9999px, 86px, 0);
    }

    20% {
        clip: rect(98px, 9999px, 5px, 0);
    }

    40% {
        clip: rect(6px, 9999px, 67px, 0);
    }

    60% {
        clip: rect(45px, 9999px, 12px, 0);
    }

    80% {
        clip: rect(89px, 9999px, 78px, 0);
    }

    100% {
        clip: rect(34px, 9999px, 45px, 0);
    }
}

@keyframes glitch-anim-2 {
    0% {
        clip: rect(65px, 9999px, 12px, 0);
    }

    20% {
        clip: rect(4px, 9999px, 86px, 0);
    }

    40% {
        clip: rect(23px, 9999px, 54px, 0);
    }

    60% {
        clip: rect(76px, 9999px, 34px, 0);
    }

    80% {
        clip: rect(12px, 9999px, 65px, 0);
    }

    100% {
        clip: rect(54px, 9999px, 23px, 0);
    }
}


/* Intro Section */
.intro-section {
    text-align: center;
    margin-bottom: 3rem;
    padding: 0 1rem;
}

.intro-section h3 {
    font-family: var(--font-mono);
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.intro-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

.intro-section p {
    font-family: var(--font-san);
    color: #aaa;
    font-size: 0.95rem;
    line-height: 1.8;
    max-width: 650px;
    margin: 0 auto;
    word-break: keep-all;
}

.intro-section strong {
    color: var(--accent-color);
    font-weight: 700;
}

/* Philosophy Section */
.philosophy {
    border: 1px solid var(--accent-color);
    padding: 1.5rem;
    margin-bottom: 3rem;
    background-color: rgba(0, 255, 65, 0.05);
}

.philosophy h2 {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.protocol-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.p-item {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.p-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.p-content {
    display: flex;
    flex-direction: column;
}

.p-content strong {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.p-content small {
    font-size: 0.8rem;
    color: #888;
    line-height: 1.4;
}

@media (max-width: 600px) {
    .protocol-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
}

/* App Grid */
main {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.app-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.app-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.1);
}

.app-splash {
    width: 100%;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.app-splash img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 4/3;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.2);
    transition: filter 0.2s;
}

.app-card:hover .app-splash img {
    filter: grayscale(0%) contrast(1);
}

.app-header {
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

.app-type {
    font-size: 0.7rem;
    text-transform: uppercase;
    padding: 2px 6px;
    border: 1px solid #555;
    border-radius: 4px;
    color: #888;
}

.app-desc {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.app-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.75rem;
    color: var(--accent-color);
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

.btn-launch,
.btn-github {
    display: block;
    flex: 1;
    padding: 0.8rem 0;
    /* Reduced horizontal padding */
    background: transparent;
    text-align: center;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    font-weight: 700;
}

.btn-launch {
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
}

.btn-launch:hover {
    background: var(--accent-color);
    color: #000;
}

.btn-github {
    border: 1px solid #555;
    color: #888;
}

.btn-github:hover {
    border-color: #fff;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* Footer */
footer {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.links {
    margin-bottom: 1rem;
}

.links a {
    color: #888;
    text-decoration: none;
    margin: 0 1rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.links a:hover {
    color: var(--accent-color);
}

.copyright {
    color: #555;
    font-size: 0.8rem;
}

/* Team Section */
.team-section {
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed #333;
}

.team-section h2 {
    color: var(--accent-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.4);
    font-family: var(--font-mono);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.team-card {
    background-color: rgba(17, 17, 17, 0.6);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.2s ease;
}

.team-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.1);
}

.team-img-wrapper {
    width: 120px;
    height: 120px;
    margin-bottom: 1rem;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border-color);
    filter: grayscale(100%);
    transition: all 0.3s ease;
}

.team-card:hover .team-img-wrapper {
    border-color: var(--accent-color);
    filter: grayscale(0%);
}

.team-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-info h3 {
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    font-family: var(--font-mono);
}

.team-info .role {
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.team-info .desc {
    color: #888;
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 1.25rem;
    font-family: var(--font-san);
    word-break: keep-all;
}

.team-link {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--accent-color);
    transition: all 0.2s;
    background: rgba(0, 255, 65, 0.05);
    font-family: var(--font-mono);
}

.team-link:hover {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.4);
}

@media (max-width: 600px) {
    .team-grid {
        grid-template-columns: 1fr;
    }
}