/* ==================== 기본 스타일 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --turquoise: #17a2b8;
    --cobalt: #0d47a1;
    --cobalt-dark: #0a3d91;
    --white: #ffffff;
    --light-bg: #f0f8fa;
    --text-dark: #1a1a1a;
    --text-light: #4a4a4a;
    --shadow: 0 2px 12px rgba(13, 71, 161, 0.08);
    --shadow-lg: 0 8px 24px rgba(13, 71, 161, 0.12);
    --border-color: #d0e8f2;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-bg);
}

.main-container {
    max-width: 1400px;
    margin: 0 auto;
}

/* ==================== 네비게이션 ==================== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--turquoise);
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cobalt);
    text-decoration: none;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--turquoise);
}

/* ==================== 히어로 섹션 ==================== */
.hero {
    padding: 80px 40px;
    background: linear-gradient(135deg, #ffffff 0%, #e6f7fb 100%);
}

.hero-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge-container {
    margin-bottom: 20px;
}

.badge {
    display: inline-block;
    background: #e0f7fa;
    color: var(--turquoise);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--turquoise);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.hero-title .highlight {
    color: var(--cobalt);
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--turquoise);
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 30px;
}

/* 태그 */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.tag {
    background: var(--white);
    color: var(--cobalt);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1.5px solid var(--turquoise);
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--turquoise);
    color: var(--white);
    border-color: var(--turquoise);
    transform: translateY(-2px);
}

/* CTA 버튼 */
.cta-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--turquoise) 0%, var(--cobalt) 100%);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(13, 71, 161, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--cobalt);
    border: 2px solid var(--cobalt);
}

.btn-secondary:hover {
    background: var(--cobalt);
    color: var(--white);
    transform: translateY(-3px);
}

/* 프로필 섹션 */
.hero-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.profile-circle {
    position: relative;
    width: 320px;
    height: 320px;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 8px solid var(--white);
    box-shadow: 0 16px 48px rgba(13, 71, 161, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-circle:hover .profile-image {
    transform: scale(1.02);
    box-shadow: 0 20px 60px rgba(13, 71, 161, 0.3);
}

/* 프로필 정보 */
.profile-info {
    display: flex;
    gap: 20px;
    width: 100%;
}

.info-item {
    flex: 1;
    background: var(--white);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    border-top: 3px solid var(--turquoise);
}

.info-label {
    display: block;
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 8px;
    font-weight: 500;
}

.info-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--cobalt);
}

/* ==================== 섹션 공통 스타일 ==================== */
section {
    padding: 80px 40px;
}

.section-wrapper {
    max-width: 1400px;
    margin: 0 auto;
}

section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--cobalt);
}

/* ==================== 전문성 섹션 ==================== */
.expertise {
    background: var(--white);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.expertise-card {
    background: linear-gradient(135deg, var(--white) 0%, #f0f8fa 100%);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.expertise-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--turquoise);
    background: linear-gradient(135deg, #e6f7fb 0%, #f0f8fa 100%);
}

.expertise-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.expertise-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--cobalt);
    font-weight: 700;
}

.expertise-card ul {
    list-style: none;
}

.expertise-card li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: var(--text-light);
    font-size: 0.95rem;
}

.expertise-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--turquoise);
    font-weight: bold;
}

/* ==================== 경력 섹션 ==================== */
.career {
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--white) 100%);
}

.career-timeline {
    position: relative;
    padding: 20px 0;
}

.timeline-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    background: var(--turquoise);
    border-radius: 50%;
    margin-top: 5px;
    position: relative;
    box-shadow: 0 0 0 4px rgba(23, 162, 184, 0.2);
}

.timeline-dot::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 120px;
    background: var(--turquoise);
    left: 7px;
    top: 20px;
}

.timeline-item:last-child .timeline-dot::after {
    display: none;
}

.timeline-content {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--turquoise);
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--cobalt);
    font-weight: 700;
}

.timeline-date {
    color: var(--turquoise);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.timeline-desc {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

.industry-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
}

.industry {
    background: #e6f7fb;
    color: var(--cobalt);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ==================== 관심분야 섹션 ==================== */
.interests {
    background: var(--white);
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.interest-card {
    background: linear-gradient(135deg, var(--turquoise) 0%, var(--cobalt) 100%);
    color: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.interest-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(13, 71, 161, 0.3);
}

.interest-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.interest-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.interest-card p {
    line-height: 1.7;
    opacity: 0.95;
    font-size: 0.95rem;
}

.dream-box {
    background: linear-gradient(135deg, #b3e5fc 0%, #81d4fa 100%);
    color: var(--cobalt);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 2px solid var(--turquoise);
}

.dream-box h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.dream-box p {
    font-size: 1rem;
    line-height: 1.8;
}

/* ==================== 연락 섹션 ==================== */
.contact {
    background: linear-gradient(135deg, #ffffff 0%, #e6f7fb 100%);
    text-align: center;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.contact-info {
    margin: 30px 0;
}

.info-box {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    padding: 20px 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    font-size: 1.1rem;
    border: 2px solid var(--turquoise);
}

.info-box .icon {
    font-size: 1.5rem;
}

.info-box .text {
    color: var(--cobalt);
    font-weight: 600;
}

.contact-note {
    color: var(--text-light);
    margin-top: 30px;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ==================== 푸터 ==================== */
.footer {
    background: var(--cobalt);
    color: var(--white);
    text-align: center;
    padding: 30px 40px;
    border-top: 3px solid var(--turquoise);
}

.footer p {
    margin: 8px 0;
    opacity: 0.9;
}

/* ==================== 반응형 디자인 ==================== */
@media (max-width: 1024px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

@media (max-width: 768px) {
    .nav-content {
        padding: 0 20px;
    }

    .nav-menu {
        gap: 1rem;
    }

    .nav-menu a {
        font-size: 0.85rem;
    }

    section {
        padding: 50px 20px;
    }

    section h2 {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }

    .hero {
        padding: 40px 20px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .profile-circle {
        width: 220px;
        height: 220px;
    }

    .profile-info {
        flex-wrap: wrap;
    }

    .expertise-grid,
    .interests-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: 40px 1fr;
        gap: 15px;
    }

    .timeline-dot {
        width: 12px;
        height: 12px;
    }

    .timeline-dot::after {
        height: 100px;
        left: 5px;
    }

    .timeline-content {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .nav-content {
        padding: 0 15px;
        height: 60px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .nav-menu {
        gap: 0.5rem;
    }

    .nav-menu a {
        font-size: 0.75rem;
    }

    section {
        padding: 30px 15px;
    }

    section h2 {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: 1.3rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .tags-container {
        gap: 8px;
    }

    .tag {
        font-size: 0.75rem;
        padding: 6px 10px;
    }

    .profile-circle {
        width: 180px;
        height: 180px;
    }

    .profile-info {
        gap: 10px;
    }

    .info-item {
        padding: 12px;
    }

    .info-value {
        font-size: 1.3rem;
    }

    .interest-card,
    .dream-box {
        padding: 20px;
    }

    .interest-icon {
        font-size: 2rem;
    }

    .interest-card h3 {
        font-size: 1.1rem;
    }

    .interest-card p {
        font-size: 0.9rem;
    }
}