/* style.css */
html {
    font-size: 12px;
}
body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    font-size: 0.95rem;
}
header {
    background: #f6f8fa;
    color: #222;
    padding: 1.2rem 0 0.8rem 0;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,120,215,0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}
header h1 {
    font-size: 2rem;
    letter-spacing: 1px;
    font-weight: 700;
    color: #222;
    text-shadow: 0 2px 8px rgba(255,255,255,0.08);
    margin-bottom: 0.3rem;
}
header p {
    font-size: 1rem;
    margin-bottom: 0.7rem;
    color: #0078d7;
    font-weight: bold;
}
nav ul {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    background: #fff;
}
nav ul li a {
    color: #222;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    transition: background 0.2s, color 0.2s;
    background: none;
    box-shadow: none;
}
nav ul li a:hover, nav ul li a:focus {
    background: #e0e0e0;
    color: #0078d7;
}
main {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.2rem 0.8rem 1rem 0.8rem;
}
section {
    margin-bottom: 3.5rem;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    padding: 2rem 2.5rem;
    border-left: 6px solid #0078d7;
    scroll-margin-top: 110px;
}
h2 {
    font-size: 1.4rem;
    color: #0078d7;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 0.3rem;
    margin-bottom: 1rem;
}
h3 {
    color: #00b4d8;
    font-size: 1.1rem;
    margin-bottom: 0.7rem;
}
h4 {
    color: #0078d7;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 1rem 0;
    background: #f8fbff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,120,215,0.06);
}
table, th, td {
    border: none;
}
th, td {
    padding: 10px 8px;
    text-align: left;
}
th {
    background: #e3f2fd;
    color: #0078d7;
    font-weight: 700;
    font-size: 1rem;
}
td {
    font-size: 0.95rem;
    color: #333;
    border-bottom: 1px solid #e0e0e0;
}
tr:last-child td {
    border-bottom: none;
}
.project, .growth-item {
    background: #f9fbfd;
    padding: 1rem 0.8rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,120,215,0.07);
    border-left: 3px solid #00b4d8;
}
.problem-solution {
    background: #e3f2fd;
    padding: 0.8rem 0.7rem;
    margin: 0.8rem 0;
    border-left: 3px solid #0078d7;
    border-radius: 6px;
    color: #222;
}
.skills-section {
    margin-bottom: 1.2rem;
}
.skills-section ul {
    padding-left: 1rem;
}
footer {
    text-align: center;
    padding: 0.7rem 0;
    background: #e0e0e0;
    color: #555;
    font-size: 0.95rem;
    border-top: 1px solid #d0d0d0;
}
.form-group {
    margin-bottom: 0.8rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    font-weight: bold;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.4rem;
    border: 1px solid #b0c4de;
    border-radius: 4px;
    font-size: 0.95rem;
}
.form-group textarea {
    height: 80px;
    resize: vertical;
}
button[type="submit"] {
    background: linear-gradient(90deg, #0078d7 60%, #00b4d8 100%);
    color: white;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.2s;
}
button[type="submit"]:hover {
    background: #005fa3;
}
::-webkit-scrollbar {
    width: 8px;
    background: #e0e0e0;
}
::-webkit-scrollbar-thumb {
    background: #b0c4de;
    border-radius: 4px;
}
/* 반응형 미디어 쿼리 */
@media (max-width: 900px) {
    main {
        padding: 0.7rem;
    }
    section {
        padding: 0.7rem 0.4rem;
    }
}
@media (max-width: 600px) {
    header h1 {
        font-size: 1.1rem;
    }
    nav ul {
        gap: 0.6rem;
    }
    section {
        padding: 0.3rem 0.15rem;
    }
    h2 {
        font-size: 1rem;
    }
    h3 {
        font-size: 0.85rem;
    }
    table th, table td {
        padding: 5px 2px;
        font-size: 0.8rem;
    }
}

.discord-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(90deg, #5865F2 60%, #404eed 100%);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    border-radius: 6px;
    padding: 0.6rem 1.3rem;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(88,101,242,0.08);
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
    margin-left: 0.7rem;
}
.discord-btn:hover, .discord-btn:focus {
    background: linear-gradient(90deg, #404eed 60%, #5865F2 100%);
    box-shadow: 0 4px 16px rgba(88,101,242,0.15);
    transform: translateY(-2px) scale(1.03);
}
.discord-icon svg {
    display: block;
    width: 22px;
    height: 22px;
    margin-right: 0.3rem;
    border-radius: 4px;
    background: #5865F2;
    box-shadow: 0 1px 4px rgba(88,101,242,0.10);
}
.discord-label {
    display: inline-block;
    vertical-align: middle;
    font-size: 1rem;
    font-weight: 700;
}

/* 프로필 사진 스타일 */
.intro-photo {
    display: block;
    margin: 0 auto 1.2rem auto;
    max-width: 320px;
    border-radius: 18px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.10);
    object-fit: cover;
}