/* 전체 스타일 초기화 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Press Start 2P", monospace;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 네비게이션 바 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    border-bottom: 2px solid #ff006e;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h1 {
    font-size: 1.5rem;
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: neonFlicker 2s infinite;
}

@keyframes neonFlicker {
    0%,
    100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.2);
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.nav-link:hover {
    background: linear-gradient(45deg, #ff006e, #8338ec);
    box-shadow: 0 0 20px #ff006e;
    transform: scale(1.05);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #ff006e;
    margin: 3px 0;
    transition: 0.3s;
}

/* 메인 히어로 섹션 */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 20% 80%, #ff006e 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, #8338ec 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, #3a86ff 0%, transparent 50%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.neon-glow {
    width: 100%;
    height: 100%;
    background: radial-gradient(
            ellipse at center,
            rgba(255, 0, 110, 0.3) 0%,
            transparent 70%
        ),
        radial-gradient(
            ellipse at center,
            rgba(131, 56, 236, 0.3) 0%,
            transparent 70%
        ),
        radial-gradient(
            ellipse at center,
            rgba(58, 134, 255, 0.3) 0%,
            transparent 70%
        );
    animation: colorShift 4s ease-in-out infinite;
}

@keyframes colorShift {
    0%,
    100% {
        opacity: 0.5;
    }
    50% {
        opacity: 0.8;
    }
}

.pixel-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.1) 1px,
            transparent 1px
        ),
        linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: pixelMove 10s linear infinite;
}

@keyframes pixelMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(20px, 20px);
    }
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
    0%,
    100% {
        filter: drop-shadow(0 0 10px #ff006e);
    }
    50% {
        filter: drop-shadow(0 0 20px #8338ec) drop-shadow(0 0 30px #3a86ff);
    }
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 버튼 스타일 */
.btn {
    padding: 1rem 2rem;
    font-family: "Press Start 2P", monospace;
    font-size: 0.8rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, #ff006e, #8338ec);
    color: white;
    box-shadow: 0 5px 15px rgba(255, 0, 110, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 0, 110, 0.6);
    animation: buttonShimmer 0.6s ease-in-out;
}

.btn-secondary {
    background: transparent;
    color: #3a86ff;
    border: 2px solid #3a86ff;
    box-shadow: 0 0 20px rgba(58, 134, 255, 0.3);
}

.btn-secondary:hover {
    background: #3a86ff;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(58, 134, 255, 0.6);
}

@keyframes buttonShimmer {
    0% {
        box-shadow: inset 0 0 0 0 transparent;
    }
    50% {
        box-shadow: inset 200px 0 0 0 rgba(255, 255, 255, 0.2);
    }
    100% {
        box-shadow: inset 0 0 0 0 transparent;
    }
}

/* 게임 섹션 */
.games-section {
    padding: 4rem 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f0f23, #1a1a2e);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    background: linear-gradient(45deg, #ff006e, #8338ec);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.game-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 0, 110, 0.3);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.game-card::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 0, 110, 0.1),
        transparent
    );
    transform: rotate(45deg);
    transition: all 0.5s ease;
    opacity: 0;
}

.game-card:hover::before {
    animation: cardShine 0.6s ease-in-out;
}

@keyframes cardShine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 0, 110, 0.3),
        0 0 80px rgba(131, 56, 236, 0.2);
    border-color: #ff006e;
}

.game-thumbnail {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: linear-gradient(45deg, #ff006e, #8338ec);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%,
    100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

.game-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #fff;
}

.game-card p {
    font-size: 0.7rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    opacity: 0.8;
    font-family: monospace;
}

.btn-play {
    background: linear-gradient(45deg, #3a86ff, #8338ec);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-family: "Press Start 2P", monospace;
    font-size: 0.6rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn-play:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(58, 134, 255, 0.5);
}

/* 커뮤니티 섹션 */
.community-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #16213e, #0f3460);
    min-height: 100vh;
}

.community-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.leaderboard {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(58, 134, 255, 0.3);
}

.leaderboard h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: #ff006e;
    font-size: 1.2rem;
}

.leaderboard-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.leaderboard-item:hover {
    background: rgba(255, 0, 110, 0.1);
    transform: translateX(5px);
}

.rank {
    color: #ff006e;
    font-weight: bold;
}

.player {
    flex: 1;
    margin: 0 1rem;
}

.score {
    color: #3a86ff;
    font-weight: bold;
}

.chat-box {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 0, 110, 0.3);
    max-height: 300px;
    overflow-y: auto;
}

.chat-box h3 {
    color: #ff006e;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.chat-messages {
    color: #ccc;
    font-size: 0.7rem;
}

.message {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    line-height: 1.4;
}

.username {
    color: #3a86ff;
    font-weight: bold;
}

.friends-list {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(131, 56, 236, 0.3);
}

.friends-list h3 {
    color: #8338ec;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.friends-grid {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.friend-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.friend-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.friend-avatar {
    font-size: 1.5rem;
}

.friend-name {
    flex: 1;
    font-size: 0.7rem;
}

.status {
    font-size: 0.6rem;
}

.friend-item.online .status {
    color: #00ff88;
}

.friend-item.offline .status {
    color: #666;
}

/* 프로필 섹션 */
.profile-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #0f0f23, #1a1a2e);
    min-height: 100vh;
}

.profile-card {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 0, 110, 0.3);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(45deg, #ff006e, #8338ec);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.profile-info h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.profile-info p {
    color: #3a86ff;
    font-size: 1rem;
}

.profile-stats {
    margin-bottom: 2rem;
}

.stat-item {
    margin-bottom: 1.5rem;
}

.stat-label {
    display: block;
    margin-bottom: 0.5rem;
    color: #ccc;
    font-size: 0.8rem;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(45deg, #ff006e, #8338ec);
    transition: width 0.3s ease;
}

.stat-value {
    color: #3a86ff;
    font-size: 0.7rem;
}

.achievements h4 {
    color: #ff006e;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.achievement {
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-size: 0.7rem;
    transition: all 0.3s ease;
}

.achievement.completed {
    background: rgba(255, 0, 110, 0.2);
    border: 1px solid #ff006e;
    color: #ff006e;
}

.achievement.pending {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #666;
    color: #666;
}

/* 푸터 */
.footer {
    background: rgba(0, 0, 0, 0.9);
    padding: 2rem 0;
    text-align: center;
    border-top: 2px solid #ff006e;
}

.footer p {
    margin-bottom: 1rem;
    color: #ccc;
    font-size: 0.6rem;
}

.footer p:nth-child(2) {
    color: #3a86ff;
    font-weight: bold;
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: #3a86ff;
    text-decoration: none;
    font-size: 0.6rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ff006e;
}

/* 로그인 모달 */
.login-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-content {
    background: rgba(26, 26, 46, 0.95);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid #ff006e;
    max-width: 400px;
    width: 90%;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.close-modal {
    font-size: 2rem;
    cursor: pointer;
    color: #ff006e;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: #fff;
}

.modal-body input {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid #ff006e;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-family: "Press Start 2P", monospace;
    font-size: 0.6rem;
}

.modal-body input::placeholder {
    color: #ccc;
}

.login-form {
    width: 100%;
}

/* 반응형 디자인 */
@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 250px;
    }

    .community-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .profile-header {
        flex-direction: column;
        text-align: center;
    }

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

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

/* 개인정보보호 섹션 */
.privacy-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #0f0f23, #1a1a2e);
    min-height: 100vh;
}

.privacy-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.privacy-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(58, 134, 255, 0.3);
}

.privacy-card h3 {
    color: #ff006e;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.privacy-card p {
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 0.8rem;
}

.privacy-card ul {
    color: #ccc;
    margin-left: 1rem;
    margin-bottom: 1.5rem;
}

.privacy-card li {
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
}

.privacy-highlights {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(131, 56, 236, 0.3);
}

.privacy-highlights h3 {
    color: #8338ec;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    text-align: center;
}

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

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: rgba(255, 0, 110, 0.1);
    transform: translateX(5px);
}

.highlight-icon {
    font-size: 2rem;
}

/* 게임 소개 섹션 */
.gamesintro-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #16213e, #0f3460);
    min-height: 100vh;
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.intro-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 0, 110, 0.3);
    transition: all 0.3s ease;
}

.intro-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(255, 0, 110, 0.2);
}

.intro-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.intro-card h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.intro-card p {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.8rem;
}

.intro-card strong {
    color: #3a86ff;
}

.game-tips {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(131, 56, 236, 0.3);
}

.game-tips h3 {
    color: #8338ec;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-align: center;
}

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

.tip-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.tip-item:hover {
    background: rgba(131, 56, 236, 0.1);
    transform: translateY(-2px);
}

.tip-icon {
    font-size: 1.5rem;
}

.tip-item p {
    color: #ccc;
    margin: 0;
    font-size: 0.8rem;
}

/* 직업 소개 섹션 */
.careers-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #0f0f23, #1a1a2e);
    min-height: 100vh;
}

.position-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.position-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(58, 134, 255, 0.3);
    transition: all 0.3s ease;
    position: relative;
}

.position-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(58, 134, 255, 0.2);
}

.position-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(45deg, #00ff88, #3a86ff);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.6rem;
    font-weight: bold;
}

.position-badge.closed {
    background: linear-gradient(45deg, #666, #999);
}

.position-card h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.position-card p {
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 0.8rem;
}

.position-card strong {
    color: #3a86ff;
}

.position-card ul {
    color: #ccc;
    margin-left: 1rem;
    margin-bottom: 1rem;
}

.position-card li {
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
}

.career-benefits {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 0, 110, 0.3);
}

.career-benefits h3 {
    color: #ff006e;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-align: center;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
    text-align: center;
}

.benefit-item:hover {
    background: rgba(255, 0, 110, 0.1);
    transform: translateY(-2px);
}

.benefit-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.benefit-item span {
    color: #ccc;
    font-size: 0.8rem;
}

/* 반응형 디자인 추가 */
@media screen and (max-width: 768px) {
    .privacy-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

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

    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

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

@media screen and (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .game-card {
        padding: 1.5rem;
    }

    .profile-avatar {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
}