/* 돼지 포트폴리오 스타일 */
:root {
    --pig-pink: #FFB6C1;
    --pig-pink-light: #FFC0CB;
    --pig-pink-dark: #FF69B4;
    --pig-brown: #8B4513;
    --pig-brown-light: #D2691E;
    --pig-white: #FFF8DC;
    --pig-black: #2F2F2F;
    --pig-gray: #F5F5F5;
    --pig-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --pig-border-radius: 15px;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: linear-gradient(135deg, var(--pig-pink-light) 0%, var(--pig-white) 100%);
    color: var(--pig-black);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* 헤더 스타일 */
.pig-header {
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 0 0 var(--pig-border-radius) var(--pig-border-radius);
    padding: 20px 30px;
    margin-bottom: 30px;
    box-shadow: var(--pig-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.pig-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.pig-emoji {
    font-size: 2.5rem;
    animation: bounce 2s infinite;
}

.pig-emoji.large {
    font-size: 4rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.pig-logo h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--pig-brown);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.pig-nav {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: var(--pig-brown);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
    background: var(--pig-pink-light);
    border: 2px solid transparent;
}

.nav-link:hover {
    background: var(--pig-pink);
    transform: translateY(-2px);
    box-shadow: var(--pig-shadow);
}

/* 메인 섹션 */
.pig-main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.pig-section {
    scroll-margin-top: 100px;
}

.pig-card {
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: var(--pig-border-radius);
    padding: 40px;
    box-shadow: var(--pig-shadow);
    border: 2px solid var(--pig-pink-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pig-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.section-title {
    font-size: 2.5rem;
    color: var(--pig-brown);
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--pig-pink), var(--pig-pink-dark));
    border-radius: 2px;
}

/* 소개 섹션 */
.pig-avatar {
    text-align: center;
    margin-bottom: 30px;
}

.intro-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--pig-black);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* 기술 스택 */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.skill-item {
    background: linear-gradient(135deg, var(--pig-pink-light), var(--pig-white));
    padding: 25px;
    border-radius: var(--pig-border-radius);
    text-align: center;
    border: 2px solid var(--pig-pink);
    transition: all 0.3s ease;
}

.skill-item:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.skill-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 15px;
}

.skill-item h3 {
    font-size: 1.5rem;
    color: var(--pig-brown);
    margin-bottom: 10px;
}

.skill-item p {
    color: var(--pig-black);
    font-size: 1rem;
}

/* 프로젝트 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.project-item {
    background: linear-gradient(135deg, var(--pig-white), var(--pig-pink-light));
    border-radius: var(--pig-border-radius);
    padding: 30px;
    text-align: center;
    border: 2px solid var(--pig-pink);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.project-item:hover::before {
    left: 100%;
}

.project-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.project-image {
    margin-bottom: 20px;
}

.project-icon {
    font-size: 4rem;
    display: block;
}

.project-item h3 {
    font-size: 1.8rem;
    color: var(--pig-brown);
    margin-bottom: 15px;
}

.project-item p {
    color: var(--pig-black);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.project-link {
    text-decoration: none;
    color: white;
    background: var(--pig-brown);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid var(--pig-brown);
}

.project-link:hover {
    background: var(--pig-brown-light);
    transform: translateY(-2px);
    box-shadow: var(--pig-shadow);
}

/* 연락처 */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--pig-pink-light);
    padding: 20px;
    border-radius: var(--pig-border-radius);
    border: 2px solid var(--pig-pink);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--pig-shadow);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item p {
    font-size: 1.1rem;
    color: var(--pig-black);
    font-weight: 500;
}

/* 푸터 */
.pig-footer {
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: var(--pig-border-radius) var(--pig-border-radius) 0 0;
    padding: 30px;
    margin-top: 50px;
    text-align: center;
    box-shadow: var(--pig-shadow);
    border: 2px solid var(--pig-pink-light);
}

.pig-footer p {
    color: var(--pig-brown);
    font-weight: 500;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .pig-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .pig-nav {
        justify-content: center;
    }
    
    .pig-card {
        padding: 25px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .pig-emoji.large {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .pig-container {
        padding: 0 15px;
    }
    
    .pig-card {
        padding: 20px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .pig-logo h1 {
        font-size: 1.5rem;
    }
    
    .pig-emoji {
        font-size: 2rem;
    }
}

/* 스크롤 애니메이션 */
.pig-section {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.pig-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 로딩 애니메이션 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pig-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* 호버 효과 개선 */
.pig-card:hover .pig-emoji {
    animation: wiggle 0.5s ease;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

/* 스크롤바 스타일링 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--pig-gray);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--pig-pink);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--pig-pink-dark);
}