/* Technology Section */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tech-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 24px;
    border: 2px solid rgba(108, 92, 231, 0.1);
    transition: all 0.4s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.tech-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(108, 92, 231, 0.25);
}

.tech-icon {
    font-size: 48px;
    margin-bottom: 24px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

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

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

.tech-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--text-color);
}

.tech-card p {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-family: var(--font-kr);
    line-height: 1.7;
}

.tech-specs {
    list-style: none;
    padding: 0;
}

.tech-specs li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(108, 92, 231, 0.1);
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
}

.tech-specs li:last-child {
    border-bottom: none;
}

/* Stats Section */
.stats {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(0, 212, 255, 0.1));
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
    line-height: 1;
}

.stat-label {
    color: var(--text-muted);
    font-size: 14px;
    font-family: var(--font-kr);
    font-weight: 500;
}

/* Emotion Demo Section */
.emotion-demo {
    background: linear-gradient(135deg, #F8F9FF 0%, #E8ECFF 100%);
}

.demo-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.demo-desc {
    font-size: 18px;
    color: var(--text-muted);
    margin: 24px 0 32px 0;
    font-family: var(--font-kr);
    line-height: 1.8;
}

.emotion-states {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.emotion-badge {
    padding: 10px 20px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(108, 92, 231, 0.1);
    border-radius: 50px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: none;
}

.emotion-badge:hover {
    border-color: var(--secondary-color);
    transform: scale(1.05);
}

.emotion-badge.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
}

.demo-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.emotion-circle {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, rgba(255, 51, 102, 0.1), rgba(108, 92, 231, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 51, 102, 0.2);
    transition: border-color 0.5s ease;
}

.emotion-icon {
    font-size: 80px;
    position: relative;
    z-index: 10;
    animation: heartbeat 1.5s ease-in-out infinite;
    transition: transform 0.3s ease;
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    25% {
        transform: scale(1.1);
    }

    50% {
        transform: scale(1);
    }
}

.pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: pulse-ring 2s ease-out infinite;
    opacity: 0.7;
    transition: border-color 0.5s ease;
}

.pulse-ring.delay-1 {
    animation-delay: 0.5s;
}

.pulse-ring.delay-2 {
    animation-delay: 1s;
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }

    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

.demo-status {
    margin-top: 24px;
    font-size: 16px;
    color: var(--text-muted);
    font-family: var(--font-kr);
    animation: blink 2s ease-in-out infinite;
    transition: opacity 0.3s ease;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* News Section */
.news {
    background: linear-gradient(to bottom, #E8ECFF, #F8F9FF);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 32px;
    border-radius: 20px;
    border: 2px solid rgba(108, 92, 231, 0.1);
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.news-card:hover {
    transform: translateY(-8px);
    border-color: var(--secondary-color);
    box-shadow: 0 12px 32px rgba(0, 212, 255, 0.15);
}

.news-date {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--secondary-color);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.news-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-color);
}

.news-card p {
    color: var(--text-muted);
    font-family: var(--font-kr);
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.news-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.news-link:hover {
    color: var(--secondary-color);
}

/* Mobile Responsive Updates */
@media (max-width: 768px) {

    .tech-grid,
    .stats-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .demo-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .emotion-circle {
        width: 250px;
        height: 250px;
    }

    .emotion-icon {
        font-size: 60px;
    }
}/* Mobile Responsive for New Sections */
@media (max-width: 768px) {

    /* Technology Section */
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tech-card {
        padding: 30px 20px;
    }

    .tech-icon {
        font-size: 32px;
        margin-bottom: 16px;
    }

    .tech-card h3 {
        font-size: 20px;
    }

    .tech-specs li {
        font-size: 13px;
    }

    /* Stats Section */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .stat-card {
        padding: 30px 20px;
    }

    .stat-number {
        font-size: 36px;
    }

    /* Emotion Demo */
    .emotion-demo {
        flex-direction: column;
        gap: 30px;
    }

    .emotion-circle {
        width: 280px;
        height: 280px;
    }

    .emotion-icon {
        font-size: 64px;
    }

    .emotion-states {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .emotion-badge {
        padding: 8px 16px;
        font-size: 14px;
    }

    /* News Section */
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .news-card {
        padding: 24px 20px;
    }

    .news-card h3 {
        font-size: 18px;
    }
}