:root {
    --bg-dark: #050508;
    --kespa-blue: #00d2ff;
    --val-red: #ff4655;
    --note-bg: rgba(15, 15, 25, 0.95);
    --grid-color: rgba(0, 210, 255, 0.05);
}

body {
    background-color: var(--bg-dark);
    color: #ffffff;
    font-family: 'Pretendard', sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow-y: auto;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 210, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 70, 85, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
}

#welcome-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 5, 8, 0.98);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 1s ease, visibility 1s;
}

.welcome-text {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--kespa-blue);
    text-shadow: 0 0 20px rgba(0, 210, 255, 0.6);
    animation: welcome-pulse 2s infinite;
}

@keyframes welcome-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

#welcome-overlay.fade-out {
    opacity: 0;
    visibility: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 60px;
}

/* KeSPA 로고 효과 */
.kespa-logo img {
    width: 110px;
    filter: drop-shadow(0 0 15px rgba(0, 210, 255, 0.6));
    animation: float 4s ease-in-out infinite, logo-glow 2s ease-in-out infinite;
    transition: 0.3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
}

@keyframes logo-glow {
    0%, 100% { filter: drop-shadow(0 0 15px rgba(0, 210, 255, 0.6)); }
    50% { filter: drop-shadow(0 0 30px rgba(0, 210, 255, 0.9)) brightness(1.2); }
}

header h1 {
    font-size: 2rem;
    margin: 0;
    font-weight: 900;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 15px var(--kespa-blue);
    animation: neon-blink 2s linear infinite;
}

@keyframes neon-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.dashboard {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 30px;
}

.section-card {
    background: var(--note-bg);
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 20px 20px;
    border: 1px solid rgba(0, 210, 255, 0.2);
    border-radius: 4px 20px 4px 4px;
    padding: 35px;
    position: relative;
    box-shadow: 10px 10px 30px rgba(0, 0, 0, 0.5);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: fit-content;
}

.section-card::before {
    content: 'REPORT // 18TH';
    position: absolute;
    top: -18px;
    left: -1px;
    background: var(--kespa-blue);
    color: #000;
    font-size: 0.65rem;
    font-weight: 900;
    padding: 3px 12px;
    border-radius: 4px 4px 0 0;
}

.section-card:hover {
    transform: translateY(-5px);
    border-color: var(--kespa-blue);
}

.number-badge {
    position: absolute;
    top: 15px;
    right: 20px;
    color: var(--kespa-blue);
    font-weight: 900;
    opacity: 0.1;
    font-size: 3rem;
}

.section-card h2 {
    font-size: 1.3rem;
    margin: 0 0 20px 0;
    color: #fff;
    border-left: 4px solid var(--kespa-blue);
    padding-left: 12px;
}

.image-row {
    display: flex;
    gap: 15px;
}

.image-row img {
    width: calc(50% - 10px);
    max-width: 220px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: image-float 5s ease-in-out infinite;
    transition: 0.3s;
}

@keyframes image-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.skill-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.skill-item img {
    width: 60px;
    height: 60px;
    margin-bottom: 8px;
    transition: 0.3s;
}

.skill-item:hover img {
    transform: scale(1.2) rotate(5deg);
    filter: drop-shadow(0 0 10px var(--kespa-blue));
}

.skill-item strong {
    font-size: 0.75rem;
    color: var(--kespa-blue);
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.skill-item span {
    font-size: 0.85rem;
    color: #fff;
    font-weight: 500;
}

.aspiration-text {
    font-size: 0.95rem;
    color: #aab0c6;
    line-height: 1.6;
    background: rgba(0, 210, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-style: italic;
    border: 1px solid rgba(0, 210, 255, 0.1);
    word-break: keep-all;
}

.section-card p {
    font-size: 0.95rem;
    color: #aab0c6;
    margin-top: 15px;
    line-height: 1.7;
    background: rgba(0, 210, 255, 0.03);
    padding: 15px;
    border-radius: 4px;
    word-break: keep-all;
}

/* 디자인 섹션 테크니컬 데코레이션 */
.tech-decoration {
    height: 120px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 210, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.node-line {
    position: absolute;
    width: 200%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--kespa-blue), transparent);
    animation: scan-line 3s linear infinite;
}

@keyframes scan-line {
    0% { transform: translateY(-60px) translateX(-50%); }
    100% { transform: translateY(60px) translateX(-50%); }
}

.node-dot {
    width: 40px;
    height: 40px;
    border: 2px solid var(--kespa-blue);
    border-radius: 50%;
    position: relative;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 0 rgba(0, 210, 255, 0.4); }
    70% { transform: scale(1.2); opacity: 0.5; box-shadow: 0 0 0 20px rgba(0, 210, 255, 0); }
    100% { transform: scale(1); opacity: 1; }
}

.tech-label {
    position: absolute;
    bottom: 10px;
    font-size: 0.6rem;
    color: var(--kespa-blue);
    letter-spacing: 3px;
    font-weight: 900;
    opacity: 0.6;
}

.main-info { grid-row: span 2; }

footer {
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
    padding: 25px 0;
    border-top: 1px solid #222;
    font-size: 0.8rem;
    color: #475569;
}

@media (max-width: 900px) {
    .dashboard { grid-template-columns: 1fr; }
    .main-info { grid-row: auto; }
}