/* ==========================================================================
   SHIN MIN HA - BRIGHT BEIGE EDITORIAL BRANDING SITE CSS
   Concept: Bright Beige Editorial (Soft Premium Elegance)
   ========================================================================== */

/* 1. Reset & Global Aesthetics */
html {
    scroll-padding-top: 80px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

/* ==========================================================================
   STICKY HEADER NAVIGATION
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(252, 250, 247, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(245, 242, 235, 0.5);
}

.header-container {
    width: 100%;
    padding: 20px 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo a {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1E2229;
    text-decoration: none;
    letter-spacing: 1.5px;
    font-family: 'Cormorant Garamond', serif;
}

.header-nav {
    display: flex;
    gap: 32px;
}

.header-nav a {
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    color: #1E2229;
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.header-nav a:hover {
    color: #5C4033;
    border-bottom-color: #5C4033;
}

@media (max-width: 768px) {
    .header-nav {
        display: none;
    }
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: #FDFBF7;
    /* 따뜻하고 세련된 소프트 크림 베이지 배경 */
    color: #1E2229;
    /* 가독성이 뛰어난 소프트 다크 차콜 */
    line-height: 1.8;
    letter-spacing: -0.4px;
    -webkit-font-smoothing: antialiased;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.brand-container {
    width: 100%;
    margin: 0 auto;
}

section {
    padding: 140px 40px;
    /* 여백을 넓혀 잡지 같은 공간감 구현 */
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

/* 타이포그래피 규칙 */
h1,
h2,
h3,
h4 {
    color: #1E2229;
    font-weight: 700;
}

.section-headline {
    font-size: 1.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 50px;
    color: #5C4033;
    /* 지적인 에스프레소 브라운 액센트 */
}

/* ==========================================================================
   ① HERO SECTION (세련된 비대칭 매거진 스타일 커버)
   ========================================================================== */
.hero-section {
    background-color: #FDFBF7;
    max-width: 100%;
    padding: 150px 0 40px 0;
    /* 네비게이션 바 아래에 충분한 여백을 두어 우측 이미지 상단 텍스트("50일간의...")가 가려지지 않도록 조절 */
    border-bottom: 1px solid #F5F2EB;
}

.hero-wrapper {
    display: flex !important;
    flex-direction: row !important;
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    align-items: flex-end !important;
    justify-content: space-between !important;
    position: relative;
}

.hero-text-side {
    position: relative;
    flex: 0 0 40% !important;
    max-width: 40% !important;
    padding: 0 40px 0 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-image-side {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 12px;
    flex: 0 0 65% !important;
    max-width: 65% !important;
    display: block;
    padding: 0;
}

.hero-main-img {
    width: 100% !important;
    height: auto !important;
    display: block !important;
    object-fit: contain !important;
    border-radius: 12px;
}

/* Mobile Responsiveness for Hero Section */
@media (max-width: 768px) {
    .hero-section {
        padding: 110px 0 40px 0;
    }

    .hero-wrapper {
        flex-direction: column;
    }

    .hero-text-side {
        width: 100%;
        flex: none;
        padding: 0 0 40px 0;
    }

    .hero-image-side {
        width: 100%;
        flex: none;
        padding: 0;
    }

    .hero-main-img {
        height: auto;
    }
}

.hero-character-img {
    position: absolute;
    /* Lifted from 0% to approx 15% to land perfectly on the sofa blanket */
    bottom: 15% !important;
    left: 50%;
    transform: translateX(-50%);
    width: 25%;
    max-width: 260px;
    min-width: 160px;
    height: auto;
    display: block;
    z-index: 10;
    transition: all 0.3s ease;
    /* Adds a smooth appearance */
}

.hero-character-img img {
    width: 100%;
    height: auto;
    display: block;
}

/* Hero books styling */
.hero-books-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-book-item {
    position: absolute;
    height: auto;
    border-radius: 3px 8px 8px 3px;
    box-shadow:
        0 18px 38px rgba(0, 0, 0, 0.38),
        4px 4px 14px rgba(0, 0, 0, 0.22),
        inset 3px 0 6px rgba(255, 255, 255, 0.18),
        inset -2px 0 4px rgba(0, 0, 0, 0.15);
    border-left: 4px solid rgba(0, 0, 0, 0.18);
    overflow: hidden;
    transition: transform 0.45s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.45s ease, z-index 0s;
    will-change: transform;
    pointer-events: auto;
    cursor: pointer;
}

.hero-book-item img {
    width: 100%;
    height: auto;
    display: block;
}

/*
 * 서재 배경(rending.png) 구도에 최적화된 책 배치
 * book-1 (woman.jpg / 힐러리): 책장 좌측 상단 빈 칸 - 세워진 책처럼
 * book-2 (aribaba.jpg / 마윈): 책장 중앙 빈 선반 공간 - 정면으로 기댄 책
 * book-3 (ubermansch.jpg / 위버멘쉬): 소파 등받이 위에 살짝 걸친 책
 */

/* book-1: 힐러리 — 위버멘쉬(book-3) 오른쪽 아래 빈 서랍 칸, 나는 생각이 너무 많아*/
/* ✏️ 위치 조정: top(위아래), left(좌우) 값을 직접 바꿔서 미세 조정하세요 */
.hero-book-item.book-1 {
    width: 140px;
    top: 48%;
    /* ↕ 위아래: 값 올리면 위로, 내리면 아래로 , */
    left: 22%;
    /* ↔ 좌우: 값 올리면 오른쪽, 내리면 왼쪽 */
    transform: rotate(-1.5deg);
    z-index: 3;
    filter: brightness(0.88) contrast(1.05);
}

/* book-2: 내가 틀릴 수도 있습니다. — 책장 중앙 우측 빈 서랍 칸 (정면으로 세워진 형태) */
.hero-book-item.book-2 {
    width: 150px;
    top: 64%;
    left: 62%;
    transform: rotate(0.8deg);
    z-index: 2;
    filter: brightness(0.88) contrast(1.08);
}

/* book-3: 위버멘쉬 — 소파 위 책장 하단 빈 칸, 살짝 기울어진 형태 */
.hero-book-item.book-3 {
    width: 130px;
    top: 48%;
    left: 8%;
    transform: rotate(-5deg) translateY(2px);
    z-index: 1;
    filter: brightness(0.86) contrast(1.06);
}

/* book-4: 여자라면 힐러리처럼 — book-1 바로 오른쪽 */
/* ✏️ 위치 조정: top(위아래), left(좌우) 값을 직접 바꿔서 조정하세요 */
.hero-book-item.book-4 {
    width: 135px;
    top: 49%;
    /* ↕ 위아래 위치 */
    left: 35%;
    /* ↔ book-1(20%) 오른쪽 바로 옆 */
    transform: rotate(1.2deg);
    z-index: 4;
    filter: brightness(0.89) contrast(1.05);
}

/* book-5: 이것이 마윈의 알리바바다! — book-4 오른쪽 */
/* ✏️ 위치 조정: top(위아래), left(좌우) 값을 직접 바꿔서 조정하세요 */
.hero-book-item.book-5 {
    width: 138px;
    top: 48%;
    /* ↕ 위아래 위치 */
    left: 49%;
    /* ↔ book-4(33%) 오른쪽 바로 옆 */
    transform: rotate(-0.8deg);
    z-index: 5;
    filter: brightness(0.87) contrast(1.07);
}

.hero-book-item:hover {
    transform: scale(1.1) translateY(-12px) rotate(0deg) !important;
    box-shadow:
        0 40px 60px rgba(0, 0, 0, 0.45),
        12px 12px 28px rgba(0, 0, 0, 0.28);
    z-index: 20;
    filter: brightness(1.0) contrast(1.0) !important;
}

/* ============================================================
   PORTFOLIO SECTION
   ============================================================ */
.portfolio-section {
    background-color: #FDFBF7;
    text-align: center;
    padding: 100px 0;
    margin-bottom: 100px !important;
    border-bottom: none;
    max-width: 100%;
    /* Override global section max-width */
}

@media (max-width: 768px) {
    .portfolio-section {
        margin-bottom: 60px !important;
    }
}

.portfolio-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #5C4033;
    margin-bottom: 50px;
    font-family: 'Noto Sans KR', sans-serif;
    letter-spacing: 1px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 54px;
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.portfolio-card {
    cursor: pointer;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    border-radius: 8px;
    background: #FFFFFF;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid #F5F2EB;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    padding-bottom: 80px;
    /* Space for the default title area */
}

.card-image-box {
    width: 100%;
    height: 420px;
    overflow: hidden;
    background-color: #EAE6DF;
}

.portfolio-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.portfolio-card:hover img {
    transform: scale(1.05);
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 28px 24px;
    background: #FFFFFF;
    text-align: center;
    transition: all 0.3s ease-in-out;
    z-index: 2;
}

.portfolio-info h4 {
    font-size: 1.05rem;
    color: #1E2229;
    margin-bottom: 0;
    font-weight: 700;
    transition: margin 0.3s ease-in-out;
}

.portfolio-details {
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease-in-out;
}

.portfolio-desc {
    font-size: 0.9rem;
    color: #4A463F;
    line-height: 1.5;
    margin-bottom: 8px;
    word-break: keep-all;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
}

.portfolio-tags span {
    background-color: #F7F4F0;
    color: #5D4037;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 20px;
    font-style: normal;
    font-family: 'Noto Sans KR', sans-serif;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.portfolio-card:hover .portfolio-info h4 {
    margin-bottom: 12px;
}

.portfolio-card:hover .portfolio-details {
    max-height: 150px;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ============================================================
   PORTFOLIO MODAL LIGHTBOX
   ============================================================ */
.portfolio-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 8, 6, 0.88);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: 40px 20px;
}

.portfolio-modal-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.portfolio-modal-inner {
    position: relative;
    max-width: 800px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: scale(0.88) translateY(20px);
    transition: transform 0.38s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: #FDFBF7;
    border-radius: 12px;
    overflow: hidden;
}

.portfolio-modal-overlay.is-open .portfolio-modal-inner {
    transform: scale(1) translateY(0);
}

.portfolio-modal-body {
    width: 100%;
    max-height: 85vh;
    overflow-y: hidden;
    display: flex;
    flex-direction: column;
}

.portfolio-modal-img-placeholder {
    width: 100%;
    min-height: 400px;
    background-color: #EAE6DF;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #A39E93;
    font-size: 1.1rem;
    font-weight: 500;
}

.portfolio-modal-body img {
    width: 100%;
    height: auto;
    display: block;
}

.portfolio-modal-cta {
    padding: 24px;
    display: flex;
    justify-content: center;
    gap: 16px;
    background: #FFFFFF;
    border-top: 1px solid #F5F2EB;
}

.portfolio-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background-color: #5C4033;
    color: #FFFFFF;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.portfolio-btn:hover {
    background-color: #3D2A22;
    transform: translateY(-2px);
}

.portfolio-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(10, 8, 6, 0.1);
    border: 1px solid rgba(10, 8, 6, 0.2);
    color: #1E2229;
    font-size: 18px;
    font-weight: 300;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
    line-height: 1;
    z-index: 10;
}

.portfolio-modal-close:hover {
    background: rgba(10, 8, 6, 0.2);
    transform: rotate(90deg);
}

.hero-section .subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-weight: 600;
    color: #5C4033;
    letter-spacing: 3px;
    font-size: 1.2rem;
    margin-bottom: 24px;
}

.hero-section h1 {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 30px;
    letter-spacing: -1.5px;
}

.hero-section .highlight {
    color: #5C4033;
    border-bottom: 2px solid #5C4033;
    padding-bottom: 4px;
}

.hero-section .slogan {
    font-size: 1.2rem;
    color: #6E6A62;
    font-weight: 300;
}

.scroll-indicator {
    position: absolute;
    bottom: -60px;
    /* 카드의 하단선을 텍스트영역의 실제 끝선으로 만들기 위해 밖으로 빼냄 */
    left: 0;
    margin-top: 0;
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 0.9rem;
    letter-spacing: 1px;
    color: #A39E93;
}

/* Hero Cards Layout */
.hero-cards-wrapper {
    display: flex !important;
    flex-direction: row !important;
    gap: 20px !important;
    width: 100% !important;
    margin-top: 40px;
}

/* MBTI Chart Card (Hero Section) */
.mbti-chart-card {
    background-color: #FFFFFF;
    color: #4A463F;
    width: 100%;
    max-width: 240px;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(92, 64, 51, 0.08);
    border: 1px solid #F5F2EB;
    will-change: transform;
}

.mbti-chart-card .chart-header {
    background-color: #5C4033;
    text-align: center;
    padding: 12px 0;
}

.mbti-chart-card .chart-header h4 {
    color: #FFFFFF;
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 1.1rem;
    margin: 0;
    font-weight: 700;
}

.mbti-chart-card .chart-subheader {
    text-align: center;
    font-size: 0.85rem;
    padding: 12px 0;
    line-height: 1.4;
    border-bottom: 1px solid #F5F2EB;
    background-color: #FDFBF7;
    font-family: 'Noto Sans KR', sans-serif;
    color: #6E6A62;
}

.mbti-chart-card .chart-body {
    padding: 20px 10px 25px 10px;
    background-color: #FFFFFF;
}

.radar-svg {
    width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   ABOUT GRID SECTION
   ========================================================================== */
.about-grid-section {
    width: 100%;
    background-color: #FDFBF7;
    border-bottom: 1px solid #F5F2EB;
    padding: 100px 0;
}

.about-grid-container {
    width: 100%;
    margin: 0 auto;
}

.about-grid-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    color: #5C4033;
    margin-bottom: 3rem;
}

.grid-card-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 54px;
    /* 포트폴리오 섹션과 정확히 동일한 간격 */
    width: 90%;
    /* 포트폴리오 섹션과 정확히 동일한 너비 비율 */
    max-width: 1400px;
    /* 포트폴리오 섹션과 정확히 동일한 최대 너비 */
    margin: 0 auto;
}

.grid-card {
    background: #FFFFFF;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid #F5F2EB;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
}

.grid-card img {
    width: 100%;
    height: auto;
    /* 이미지 원본 비율을 유지하여 잘리지 않도록 설정 */
    border-radius: 8px 8px 0 0;
    display: block;
}

.action-btn-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 30px;
    background-color: #FFFFFF;
    color: #333333;
    border: 1px solid #1E2229;
    transition: all 0.3s ease;
    cursor: pointer;
}

.action-btn:hover {
    background-color: #5C4033;
    color: #FFFFFF;
    border-color: #5C4033;
}

@media (max-width: 1024px) {
    .grid-card-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-card-container {
        grid-template-columns: 1fr;
    }

    .action-btn-container {
        flex-direction: column;
        align-items: center;
    }

    .action-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

/* ==========================================================================
   ③ STATS SECTION (소프트 크림 베이지 카드 레이아웃)
   ========================================================================== */
.stats-section {
    background-color: #F5F2EB;
    /* 묵직한 샌드 베이지 톤 */
    max-width: 100%;
    padding: 100px 40px;
}

.stats-grid {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    gap: 60px;
}

.stat-card {
    flex: 1;
    min-width: 250px;
    background-color: #FDFBF7;
    padding: 40px;
    border-radius: 4px;
    border: 1px solid rgba(92, 64, 51, 0.05);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #5C4033;
    margin-bottom: 15px;
}

.stat-label {
    font-size: 0.95rem;
    color: #6E6A62;
}

/* ==========================================================================
   ④ TIMELINE SECTION
   ========================================================================== */
.timeline-section {
    background-color: #FFFFFF;
    max-width: 100%;
    border-bottom: 1px solid #F5F2EB;
}

.wide-timeline {
    width: 100%;
    max-width: 1000px;
    margin: 40px auto 0 auto;
    display: block;
}

.roadmap-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    /* 대각선 슬라이드-인 초기 상태 (왼쪽 아래) */
    opacity: 0;
    transform: translate(-40px, 40px);
    transition: opacity 1.2s ease, transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

/* 부모 섹션 활성화 시 우상향 등장 */
.reveal-section.active .roadmap-img {
    opacity: 1;
    transform: translate(0, 0);
}

.timeline-block {
    flex: 1;
    min-width: 280px;
    background: #FDFBF7;
    padding: 40px 35px;
    border-radius: 4px;
    border: 1px solid #F5F2EB;
}

.time-year {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1.4rem;
    font-weight: 600;
    color: #5C4033;
    margin-bottom: 20px;
}

.timeline-block h3 {
    font-size: 1.1rem;
    margin-bottom: 14px;
    line-height: 1.5;
}

.timeline-block p {
    font-size: 0.95rem;
    color: #6E6A62;
}

/* ==========================================================================
   ⑤ INFLECTION POINT
   ========================================================================== */
.inflection-section {
    background-color: #FDFBF7;
    max-width: 100%;
    padding: 120px 40px;
    border-bottom: 1px solid #F5F2EB;
}

.inflection-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 80px;
}

/* 3D Flip Card Container */
.inflection-image-side {
    flex: 1.1;
    height: 480px;
    /* 고정 높이 제공하여 일관된 3D 원근 뷰 유지 */
    perspective: 1500px;
    /* 강력한 3D 입체 깊이 설정 */
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    /* 통통 튀는 스프링 리턴 효과 */
    transform-style: preserve-3d;
}

/* 마우스 호버 시 3D 회전 트리거 */
.inflection-image-side:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    /* Safari 웹킷 브라우저 지원 */
    backface-visibility: hidden;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.06);
}

.flip-card-front {
    background-color: #FDFBF7;
}

.inflection-nancy-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.flip-card-back {
    background-color: #1E1B1A;
    /* 에스프레소 브라운 톤의 깊은 대비 */
    color: #F5F2EB;
    transform: rotateY(180deg);
    /* 180도 대칭 설계 */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    border: 1px solid rgba(188, 184, 174, 0.2);
}

.back-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.back-year {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1.8rem;
    color: #BCB8AE;
    border-bottom: 1px solid rgba(188, 184, 174, 0.3);
    padding-bottom: 8px;
    width: 60px;
}

.back-quote {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1.25rem;
    line-height: 1.6;
    color: #F5F2EB;
    max-width: 280px;
}

.back-signature {
    font-size: 0.9rem;
    color: #A39E93;
    letter-spacing: 1px;
}

.inflection-wrapper {
    flex: 1.3;
}

.inflection-tag {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 1px;
    color: #A39E93;
    display: block;
    margin-bottom: 20px;
}

.inflection-title {
    font-size: 1.75rem;
    /* 한 줄로 정갈하게 들어맞도록 최적의 타이포 크기 설정 */
    margin-bottom: 35px;
    font-weight: 700;
    color: #5C4033;
    line-height: 1.35;
    white-space: nowrap;
    /* 데스크톱에서 절대 잘리지 않고 한 줄로 완벽 정렬 */
}

.inflection-text {
    font-size: 1.05rem;
    color: #6E6A62;
    margin-bottom: 24px;
    text-align: left;
    line-height: 1.7;
}

/* ==========================================================================
   ⑥ SALES MASTERY (글과 비즈니스 오브제 이미지가 가로로 배치되는 레이아웃)
   ========================================================================== */
.mastery-section {
    background-color: #FFFFFF;
    max-width: 100%;
    border-bottom: 1px solid #F5F2EB;
}

.mastery-layout {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    gap: 80px;
}

.mastery-left-content {
    flex: 1.4;
}

.mastery-right-image {
    flex: 1.25;
    min-width: 320px;
    align-self: flex-start;
    /* 왼쪽 콘텐츠의 '01.' 항목 시작선과 완벽하게 일치하도록 미세 조정 (타이틀 2줄 차지 고려) */
    padding-top: 280px;
}

.sticky-image-container {
    position: sticky;
    top: 60px;
    /* 스크롤 시 우측 이미지가 기분 좋게 따라붙는 효과 */
    width: 100%;
    height: 700px;
    overflow: hidden;
    border-radius: 4px;
}

.editorial-inline-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.editorial-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.editorial-item {
    display: flex;
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #F5F2EB;
}

.editorial-item:last-child {
    border-bottom: none;
}

.item-num {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 2.2rem;
    font-weight: 500;
    color: #BCB8AE;
    line-height: 1;
}

.item-body h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.item-body p {
    font-size: 1rem;
    color: #6E6A62;
}

.duration {
    font-size: 0.85rem;
    color: #5C4033;
    background-color: #F5F2EB;
    padding: 2px 8px;
    border-radius: 2px;
    margin-left: 6px;
}

/* 하이라이트 아이템을 과하지 않고 우아하게 사각형 테두리로 연출 */
.highlight-item {
    background: #FDFBF7;
    padding: 30px;
    border-radius: 4px;
    border: 1px solid #5C4033;
}

.highlight-item .item-num {
    color: #5C4033;
}

/* ==========================================================================
   ⑦ SKILLS SECTION
   ========================================================================== */
.skills-section {
    background: #FDFBF7;
    max-width: 100%;
    border-bottom: 1px solid #F5F2EB;
}

.skills-layout {
    width: 100%;
    max-width: 1000px;
    margin: 40px auto 0 auto;
    display: block;
}

.toolkit-img {
    width: 100%;
    max-width: 1000px;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    /* 스크롤 등장 애니메이션 기본 상태 (숨김) */
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s ease, transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

/* 스크롤 등장 활성화 상태 (JS 연동) */
.toolkit-img.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   ⑧ NEXT CHAPTER & BOOKS (이미지 요소가 녹아든 하단 하이라이트 라운지)
   ========================================================================== */
.next-section {
    background: #FFFFFF;
    max-width: 100%;
    padding-bottom: 120px;
    /* 화면 하단 이미지 잘림 방지 (안전 여백) */
}

.next-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    gap: 100px;
    align-items: flex-start;
    /* 수평 기준선 맞춤 */
}

.next-brand {
    flex: 1.2;
    min-width: 320px;
}

.books-brand {
    flex: 1;
    min-width: 320px;
}

.next-brand .tag {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1.1rem;
    color: #A39E93;
    letter-spacing: 1px;
    font-weight: 500;
    display: block;
    margin-bottom: 15px;
}

.next-brand h2 {
    font-size: 2.2rem;
    line-height: 1.45;
    margin-bottom: 35px;
}

.next-brand .accent-brown {
    color: #5C4033;
}

.next-brand p {
    color: #4A463F;
    margin-bottom: 30px;
}

/* 이미지 박스 래퍼 스타일 (세련된 여백과 고정 비율) */
.next-img-wrapper {
    width: 100%;
    height: 550px;
    overflow: hidden;
    border-radius: 4px;
    margin-bottom: 35px;
    border: 1px solid #F5F2EB;
}

.books-img-wrapper {
    width: 100%;
    height: 550px;
    overflow: hidden;
    border-radius: 4px;
    margin-bottom: 35px;
    border: 1px solid #F5F2EB;
}

.next-inline-img,
.books-inline-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 바이브코딩 크림 톤 박스 보정 */
.vibe-quote {
    background: #FDFBF7;
    padding: 30px;
    border-radius: 4px;
    border: 1px solid #F5F2EB;
    border-left: 3px solid #5C4033;
}

.vibe-quote strong {
    color: #1E2229;
    display: block;
    font-size: 1.05rem;
    margin-bottom: 12px;
}

/* 모니터 화면 위 타이핑 효과 오버레이 (기존 이미지 텍스트 덮기) */
.monitor-typing-overlay {
    position: absolute;
    top: 7%;
    left: 10%;
    /* ✏️ 텍스트가 잘리지 않도록 좌우 여백을 넓게 사용 */
    width: 80%;
    /* ✏️ 한 줄에 길게 들어가도록 너비 대폭 확장 */
    height: 48%;

    /* ✏️ 원본 이미지가 깨끗해졌으므로 완벽한 투명 배경으로 변경 */
    background: transparent;
    border-radius: 0;
    box-shadow: none;

    /* 텍스트 스타일 */
    color: #1E1B1A;
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 1.9rem;
    /* ✏️ 모니터 안에 잘 들어오도록 폰트 크기 살짝 조정 */
    line-height: 1.6;
    font-weight: 700;
    text-align: center;
    letter-spacing: -1px;
    padding: 20px;

    display: flex;
    align-items: center;
    justify-content: center;
    white-space: pre-line;
    /* \n에서만 줄바꿈되도록 유지 */
    word-break: keep-all;
    /* 단어 중간에서 줄바꿈 방지 */
    z-index: 10;
}

/* 깜빡이는 커서 */
.vibe-cursor {
    display: inline-block;
    color: #5C4033;
    font-weight: 400;
    animation: vibe-blink 0.75s step-end infinite;
    margin-left: 1px;
}

@keyframes vibe-blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* 타이핑 완료 후 커서 숨기기 */
.vibe-cursor.done {
    animation: none;
    opacity: 0;
}

.vibe-quote p {
    color: #6E6A62;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* 나를 움직이는 원칙 (오른쪽 서브 헤딩) */
.principles-title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: #5C4033;
    line-height: 1.45;
    margin-bottom: 30px;
    /* 왼쪽 메인 타이틀의 두 번째 줄("온라인 플랫폼 혁신가로")의 수평 베이스라인과 자석처럼 일치 */
    margin-top: 98px;
}

/* 우보만리 커리어 카드 이미지 */
.cow-card-img {
    width: 100%;
    max-width: 450px;
    height: auto;
    object-fit: contain;
    margin: 15px auto 0;
    display: block;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.4s ease;
}

.cow-card-img:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

/* Knowledge Partner (책 텍스트 블록) */
.knowledge-partner-block {
    margin-top: 50px;
}

.knowledge-partner-title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: #5C4033;
    line-height: 1.45;
    margin-bottom: 20px;
}

.knowledge-partner-text {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.8;
    color: #4A463F;
}

.book-list-editorial {
    list-style: none;
    padding: 0;
    margin-top: 15px; /* sit comfortably beneath partner quote */
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.8;
    color: #4A463F; /* matched muted text color of body elements */
}

.book-list-editorial li {
    margin-bottom: 5px; /* Clean subtle spacing between list items */
}

@media (max-width: 768px) {
    .principles-title {
        margin-top: 30px;
        /* 모바일에서는 세로 배치되므로 위쪽 여백 초기화 */
        text-align: center;
    }
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.brand-footer {
    background: #F5F2EB;
    color: #6E6A62;
    text-align: center;
    padding: 60px 20px;
    font-family: 'Noto Sans KR', sans-serif;
}

.footer-contact-info {
    margin-bottom: 30px;
}

.footer-contact-title {
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #5C4033;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 15px; /* 여유 공간 확보 */
}

.footer-contact-details {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.footer-name {
    font-size: 1.05rem;
    color: #1E2229;
    font-weight: 500;
}

.footer-email {
    color: #6E6A62;
    text-decoration: none;
    font-size: 1.05rem;
    transition: color 0.3s ease;
}

.footer-email:hover {
    color: #5C4033;
}

.footer-separator {
    color: #A39E93;
}

.footer-copyright {
    font-size: 0.8rem;
    color: #8C8880;
    margin-bottom: 5px;
}

.footer-powered {
    font-size: 0.7rem;
    color: #A39E93;
}

/* ==========================================================================
   MOBILE RESPONSIVENESS (반응형 뷰포트 완벽 대응)
   ========================================================================== */
@media (max-width: 992px) {
    .hero-section {
        background-image: url('img/rending.png');
        background-size: cover;
        background-position: center;
        background-attachment: scroll;
        position: relative !important;
        width: 100%;
        height: auto !important;
        min-height: auto !important;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        padding: 120px 20px 80px 20px;
        box-sizing: border-box;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(253, 251, 247, 0.65);
        z-index: 1;
    }

    .hero-wrapper {
        flex-direction: column !important;
        min-height: auto !important;
        height: auto !important;
        width: 100%;
        position: relative !important;
        z-index: 2;
        display: flex;
        align-items: center;
        justify-content: flex-start;
    }

    .hero-text-side {
        padding: 0;
        background: transparent;
        width: 100%;
        min-height: auto !important;
        height: auto !important;
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        position: relative !important;
    }

    .hero-text-side h1,
    .hero-text-side .subtitle,
    .hero-text-side .slogan {
        text-align: center;
        position: relative !important;
    }

    .hero-cards-wrapper {
        display: flex;
        flex-direction: column !important;
        width: 100% !important;
        gap: 20px;
        margin-top: 30px;
        position: relative !important;
        height: auto !important;
    }

    .mbti-chart-card {
        width: 100% !important;
        max-width: 100% !important;
        position: relative !important;
        height: auto !important;
        margin: 0 !important;
        display: block !important;
    }

    .hero-image-side {
        display: none !important;
    }

    .hero-book-item {
        /* 모바일에서 더 작게 */
    }

    .hero-book-item.book-1 {
        width: 95px;
        top: 5%;
        left: 18%;
        transform: rotate(-1deg);
    }

    .hero-book-item.book-2 {
        width: 100px;
        top: 30%;
        left: 60%;
        transform: rotate(0.8deg);
    }

    .hero-book-item.book-3 {
        width: 85px;
        top: 52%;
        left: 6%;
        transform: rotate(-5deg) translateY(2px);
    }

    .mastery-layout {
        flex-direction: column;
    }

    .sticky-image-container {
        height: 350px;
    }

    .inflection-container {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .inflection-image-side {
        max-width: 450px;
        width: 100%;
        margin: 0 auto;
    }

    .inflection-text {
        text-align: center;
    }

    .inflection-wrapper {
        width: 100%;
        max-width: 100%;
        padding: 0 15px;
    }

    .inflection-title {
        white-space: normal;
        word-break: keep-all;
        overflow-wrap: break-word;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 20px;
        height: auto !important;
        min-height: auto !important;
    }

    .hero-section h1 {
        font-size: 2.0rem;
    }

    .hero-section h2,
    .hero-section h3 {
        font-size: 1.5rem;
    }

    .section-headline {
        font-size: 1.3rem;
        margin-bottom: 30px;
    }

    .section-grid,
    .wide-timeline,
    .skills-layout,
    .next-container,
    .stats-grid {
        flex-direction: column;
        gap: 30px;
    }

    .editorial-title {
        font-size: 1.5rem;
    }

    .hero-cards-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .mbti-chart-card {
        max-width: 100%;
    }

    .hero-character-img {
        position: static;
        display: block;
        margin: 30px auto;
        width: 100%;
        max-width: 220px;
        transform: none;
        z-index: 10;
    }

    .my-library-container {
        display: flex;
        justify-content: flex-start;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        gap: 16px;
        padding: 10px 20px;
    }

    .my-library-container::-webkit-scrollbar {
        display: none;
    }

    .library-book-item {
        flex: 0 0 auto;
        scroll-snap-align: center;
        width: 110px;
    }

    .footer-contact-details {
        flex-direction: column;
        gap: 5px;
    }

    .footer-separator {
        display: none;
    }
}

/* ==========================================================================
   INTERACTION & ANIMATION LAYERS (추가된 효과)
   ========================================================================== */

/* 1. 커스텀 커서 스타일 */
.cursor {
    width: 20px;
    height: 20px;
    background-color: rgba(92, 64, 51, 0.3);
    border: 1px solid #5C4033;
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: width 0.3s ease, height 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
    transform: translate(-50%, -50%);
}

.cursor-text {
    color: #FFFFFF;
    font-size: 0px;
    font-weight: 700;
    letter-spacing: 1px;
    opacity: 0;
    transition: opacity 0.3s ease, font-size 0.3s ease;
}

/* 버튼/링크 일반 호버 상태 */
.cursor-hover {
    width: 35px;
    height: 35px;
    background-color: rgba(92, 64, 51, 0.6);
}

/* 이미지/카드 VIEW 텍스트 호버 상태 */
.cursor-view {
    width: 60px;
    height: 60px;
    background-color: rgba(92, 64, 51, 0.9);
    border-color: transparent;
}

.cursor-view .cursor-text {
    font-size: 11px;
    opacity: 1;
}

/* 2. 호버 카드 애니메이션 준비 */
.hover-card {
    transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.3s ease;
}

.hover-card:hover {
    box-shadow: 0 20px 40px rgba(92, 64, 51, 0.15) !important;
}

/* 3. 부드러운 스크롤을 위한 설정 */
html.lenis {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

/* ==========================================================================
   ADVANCED ENTREPRENEUR INTERACTION EFFECTS (추가된 효과)
   ========================================================================== */

/* 1. 타임라인 진행선 스타일 (Effect 1) */
.timeline-progress-wrapper {
    position: relative;
    width: 100%;
}

.timeline-progress-track {
    position: absolute;
    background-color: #F5F2EB;
}

.timeline-progress-bar {
    position: absolute;
    background-color: #5C4033;
}

@media (min-width: 769px) {
    .timeline-progress-wrapper {
        height: 2px;
        width: 100%;
        margin-top: 20px;
        margin-bottom: 40px;
    }

    .timeline-progress-track {
        top: 0;
        left: 0;
        width: 100%;
        height: 2px;
    }

    .timeline-progress-bar {
        top: 0;
        left: 0;
        width: 0%;
        /* JS에서 제어 */
        height: 2px;
    }
}

@media (max-width: 768px) {
    .wide-timeline {
        position: relative;
    }

    .timeline-progress-wrapper {
        position: absolute;
        top: 0;
        left: 10px;
        width: 2px;
        height: 100%;
        margin: 0;
    }

    .timeline-progress-track {
        top: 0;
        left: 0;
        width: 2px;
        height: 100%;
    }

    .timeline-progress-bar {
        top: 0;
        left: 0;
        width: 2px;
        height: 0%;
        /* JS에서 제어 */
    }
}

/* 2. 패럴랙스용 이미지 확대 및 여백 제공 (Effect 3) */
.editorial-inline-img,
.books-inline-img,
.hero-cover-img,
.next-inline-img {
    transform: scale(1.15);
    /* 패럴랙스 스크롤 여유 공간 확보 */
    will-change: transform;
    transition: filter 0.5s ease;
}

/* 3. 마그네틱 Back to Top 버튼 (Effect 4) */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #FDFBF7;
    border: 1px solid #5C4033;
    color: #5C4033;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background-color 0.3s, color 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(92, 64, 51, 0.08);
}

.back-to-top .btn-arrow {
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 2px;
}

.back-to-top .btn-text {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.back-to-top:hover {
    background-color: #5C4033;
    color: #FFFFFF;
}

/* 4. 스킬 섹션 미니멀 게이지바 스타일 */
.minimal-skill {
    position: relative;
}

.skill-progress-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 1.5px;
    background-color: #5C4033;
    width: 0%;
    will-change: width;
}

/* 5. 세일즈 마스터리 시네마틱 스포트라이트 */
.sticky-image-container .editorial-inline-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.sticky-image-container .editorial-inline-img.active {
    opacity: 1;
}

.editorial-item {
    border-left: 3px solid transparent;
    padding-left: 15px;
    transition: border-color 0.4s ease, padding 0.4s ease;
}

.editorial-item.spotlight-active {
    border-left-color: #5C4033;
    padding-left: 25px;
}

.editorial-item.spotlight-active .item-num {
    color: #5C4033;
    font-weight: 700;
}