/* 전역 스타일 */
:root {
    --primary-color: #000000;
    --text-color: #ffffff;
    --accent-color: #333333;
    --hover-color: #444444;
    --section-bg: #111111;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--primary-color);
}

/* 네비게이션 바 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--primary-color);
    padding: 1rem 0;
    z-index: 1000;
    border-bottom: 1px solid var(--accent-color);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #888;
}

/* 메인 컨텐츠 */
main {
    max-width: 1200px;
    margin: 80px auto 0;
    padding: 2rem;
}

.section {
    margin-bottom: 4rem;
    padding: 2rem;
    background-color: var(--section-bg);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.section h2 {
    margin-bottom: 2rem;
    font-size: 2rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
}

/* 기본 정보 섹션 */
.profile-container {
    display: flex;
    justify-content: center;
    margin: 2rem 0 3rem;
    position: relative;
}

.profile-image {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    border: 5px solid var(--accent-color);
    background-color: var(--section-bg);
    transition: all 0.4s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.profile-image:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 0 1rem;
}

.info-item {
    padding: 1.5rem;
    background-color: var(--accent-color);
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}

.info-item h3 {
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
    color: var(--text-color);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
}

.info-item p {
    font-size: 1.1rem;
    line-height: 1.5;
    color: #e0e0e0;
}

.info-item p strong {
    color: var(--text-color);
    font-weight: 600;
}

/* 프로젝트 카드 */
.project-card {
    background-color: var(--accent-color);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.project-card h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.project-details {
    margin-bottom: 1.5rem;
}

.project-content h4 {
    margin: 1.5rem 0 1rem;
    color: #888;
}

.project-content ul {
    list-style-position: inside;
    margin-left: 1rem;
}

/* 학습 및 성장 섹션 */
.learning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.learning-item {
    padding: 1.5rem;
    background-color: var(--accent-color);
    border-radius: 8px;
}

.learning-item h3 {
    margin-bottom: 1rem;
    color: #888;
}

/* 회고 및 향후 목표 섹션 */
.reflection-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.reflection-part {
    padding: 1.5rem;
    background-color: var(--accent-color);
    border-radius: 8px;
}

.reflection-part h3 {
    margin-bottom: 1rem;
    color: #888;
}

.reflection-part ul {
    list-style-position: inside;
    margin-left: 1rem;
}

/* 푸터 */
footer {
    text-align: center;
    padding: 3rem 2rem;
    background-color: var(--primary-color);
    border-top: 1px solid var(--accent-color);
}

/* 연락처 폼 */
.contact-form-container {
    max-width: 600px;
    margin: 0 auto 2rem;
    padding: 2rem;
    background-color: var(--section-bg);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-form-container h2 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.form-group label {
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 0.8rem;
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    background-color: var(--primary-color);
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-color);
}

.submit-btn {
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: var(--text-color);
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
    display: none;
}

.form-status.success {
    display: block;
    background-color: rgba(0, 255, 0, 0.1);
    color: #00ff00;
}

.form-status.error {
    display: block;
    background-color: rgba(255, 0, 0, 0.1);
    color: #ff0000;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .section {
        padding: 1rem;
    }

    .info-grid,
    .learning-grid,
    .reflection-content {
        grid-template-columns: 1fr;
    }
}