/* ===========================
   메인 랜딩 페이지 스타일
   =========================== */

html {
    scroll-behavior: smooth;
}

/* 가로 스크롤 방지 */
body {
    overflow-x: hidden;
}
.container {
    padding: 0 !important;
}

/* 전체 레이아웃 */
.landing-page {
    margin: 0;
    padding: 0;
}

.section-full {
    width: 100%;
    padding: 80px 0;
}

.section-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================
   섹션 1: 메인 배너 슬라이드 (캐러셀)
   참고: hubermanlab.com swiper 구조
   - 슬라이드 max-width: 73.5rem (1176px), 기본 95.5%
   - spaceBetween: 40px
   - height: 640px
   - centeredSlides: true
   =========================== */
.hero-section {
    position: relative;
    overflow: hidden;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    background: transparent;
    padding-top: 0 !important;
    padding-bottom: 40px !important;
}

.hero-slider {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.hero-slides-wrapper {
    display: flex;
    gap: 40px;
    transition: transform 0.5s ease-out;
    align-items: stretch;
}

.hero-slide {
    flex: 0 0 95.5%;
    max-width: 73.5rem;
    width: 95.5%;
    height: 640px;
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: 0;
    box-sizing: border-box;
    overflow: hidden;
    border-radius: 16px;
}

.hero-slide .section-content {
    max-width: none;
    width: 100%;
    height: 100%;
    padding: 0;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 50px;
    color: white;
    padding: 40px 50px;
    background: #000000;
    border-radius: 16px;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.hero-content::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    border-radius: inherit;
    pointer-events: none;
    z-index: 0;
}

.hero-content > * {
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
}

.hero-bookstore-links {
    display: flex;
    gap: 10px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.bookstore-btn {
    display: inline-block;
    padding: 10px 22px;
    font-size: 13px;
    font-weight: 600;
    color: white;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 7px;
    text-decoration: none;
    transition: all 0.3s;
    backdrop-filter: blur(4px);
}

.bookstore-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.7);
    color: white;
    transform: translateY(-2px);
}

.hero-text h1 {
    font-size: 58px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
    white-space: nowrap;
}

.hero-text h2 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 24px;
    line-height: 1.5;
}

.hero-text p {
    font-size: 14px;
    line-height: 1.8;
    color: #cccccc;
}

.hero-image {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.hero-image img {
    width: min(34vw, 520px);
    max-width: 100%;
    max-height: 100%;
}

.hero-image.hero-image-six img {
    width: min(40vw, 600px);
    height: auto;
    border-radius: 8px;
    object-fit: contain;
}

/* 슬라이드 컨트롤 */
.slider-controls-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 73.5rem;
    margin: 16px auto 0;
    padding: 0 24px;
    min-height: 40px;
}

.slider-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
    transition: background 0.3s;
}

.slider-dot.active {
    background: #3B9B7D;
}

.slider-arrows {
    display: flex;
    gap: 4px;
    align-items: center;
}

.slider-arrow {
    background: transparent;
    border: none;
    color: #999;
    padding: 4px 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 36px;
    line-height: 1;
    font-weight: 300;
}

.slider-arrow:hover {
    color: #333;
}


/* ===========================
   섹션 2: 가치입증 문구 (후기)
   =========================== */
.testimonial-section {
    background: #ffffff;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    padding-left: calc(50vw - 50%);
    padding-right: calc(50vw - 50%);
}

.testimonial-content {
    display: flex;
    gap: 80px;
    align-items: flex-start;
}

.testimonial-left {
    flex: 1;
}

.testimonial-left h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1b2a46;
}

.testimonial-left .subtitle {
    font-size: 14px;
    color: #8f8f8f;
    line-height: 1.8;
    margin-bottom: 40px;
}

.testimonial-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #3B9B7D;
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.testimonial-cta:hover {
    background: #2d7a61;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 155, 125, 0.3);
}

.testimonial-right {
    flex: 1;
    position: relative;
    height: 500px;
    overflow: hidden;
}

.testimonial-right::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, #ffffff 0%, transparent 100%);
    z-index: 10;
    pointer-events: none;
}

.testimonial-scroll {
    position: absolute;
    width: 100%;
    animation: scrollUp 30s linear infinite;
}

@keyframes scrollUp {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

.testimonial-card {
    background: #f8f9fa;
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 16px;
    border: 1px solid #e5e5e5;
}

.testimonial-card p {
    font-size: 14px;
    line-height: 1.8;
    color: #1b2a46;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.testimonial-card .author {
    font-size: 13px;
    color: #8f8f8f;
    font-weight: 500;
}

/* ===========================
   섹션 3: 이벤트
   =========================== */
.event-section {
    background: #F5F9EE;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    padding-left: calc(50vw - 50%);
    padding-right: calc(50vw - 50%);
}

.event-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.event-left {
    flex: 0 0 380px;
}

.event-calendar {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.calendar-title {
    font-size: 18px;
    font-weight: 700;
    color: #1b2a46;
}

.calendar-nav {
    background: none;
    border: none;
    font-size: 22px;
    color: #1b2a46;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 8px;
    transition: background 0.2s;
    line-height: 1;
}

.calendar-nav:hover {
    background: #F5F9EE;
}

.calendar-grid,
.calendar-dates {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
}

.calendar-day-header {
    font-size: 12px;
    font-weight: 600;
    color: #8f8f8f;
    padding: 8px 0;
}

.calendar-date {
    font-size: 14px;
    padding: 8px 0;
    border-radius: 50%;
    cursor: default;
    color: #1b2a46;
    position: relative;
}

.calendar-date.today {
    background: #2D4A22;
    color: #fff;
    font-weight: 700;
    border-radius: 50%;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.calendar-date.has-event::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 5px;
    height: 5px;
    background: #2D4A22;
    border-radius: 50%;
}

.calendar-date.other-month {
    color: #ccc;
}

.event-right {
    flex: 1;
    min-width: 0;
}

.event-title {
    font-size: 28px;
    font-weight: 700;
    color: #1b2a46;
    text-align: center;
    margin-bottom: 8px;
}

.event-subtitle {
    font-size: 15px;
    color: #8f8f8f;
    text-align: center;
    margin-bottom: 40px;
}

.event-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.event-card {
    background: #fff;
    border-radius: 14px;
    padding: 24px 28px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    gap: 24px;
}

.event-card-left {
    flex: 1;
    min-width: 0;
}

.event-card-right {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.event-card-top-date {
    font-size: 13px;
    font-weight: 700;
    color: #2D4A22;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.event-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.event-card-date {
    flex-shrink: 0;
    text-align: center;
    background: #F5F9EE;
    border-radius: 12px;
    padding: 12px 16px;
    min-width: 64px;
}

.event-card-date .event-month {
    font-size: 12px;
    font-weight: 600;
    color: #2D4A22;
    text-transform: uppercase;
}

.event-card-date .event-day {
    font-size: 26px;
    font-weight: 800;
    color: #1b2a46;
    line-height: 1.2;
}

.event-card-info {
    flex: 1;
    min-width: 0;
}

.event-card-info h3 {
    font-size: 16px;
    font-weight: 700;
    color: #1b2a46;
    margin-bottom: 4px;
}

.event-card-info p {
    font-size: 13px;
    color: #8f8f8f;
    line-height: 1.5;
    margin: 0;
}

.event-card-badge {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    white-space: nowrap;
    text-align: center;
}

.event-card-badge.upcoming {
    background: #E8F5E1;
    color: #2D4A22;
}

.event-card-badge.ongoing {
    background: #FFF3E0;
    color: #E65100;
}

.event-card-badge.closed {
    background: #f0f0f0;
    color: #999;
}

.event-more-btn {
    display: block;
    margin: 28px auto 0;
    background: transparent;
    color: #1b2a46;
    padding: 12px 40px;
    border: 2px solid #1b2a46;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.event-more-btn:hover {
    background: #1b2a46;
    color: #fff;
}

.event-more-btn.hidden {
    display: none;
}

/* 달력 하단 카톡방 CTA */
.calendar-cta {
    margin-top: 20px;
    text-align: center;
    padding: 20px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.calendar-cta p {
    font-size: 14px;
    color: #1A1A1A;
    margin-bottom: 12px;
    line-height: 1.5;
}

.calendar-cta-btn {
    display: inline-block;
    padding: 12px 28px;
    background: #2D4A22;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s;
}

.calendar-cta-btn:hover {
    background: #3D6630;
    color: #fff;
    transform: translateY(-2px);
}

/* 상시 이벤트 카드 */
.event-permanent {
    margin-bottom: 20px;
}

.event-card-permanent {
    border: 2px solid #2D4A22;
    background: #fff;
}

.event-card-top-date-permanent {
    background: #2D4A22;
    color: #fff;
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
}

.event-card-link {
    flex-shrink: 0;
    font-size: 13px;
    font-weight: 600;
    color: #2D4A22;
    background: none;
    border: none;
    padding: 0;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s;
}

.event-card-link:hover {
    color: #3B6B2E;
}

.event-time {
    display: block;
    font-size: 11px;
    color: #2D4A22;
    font-weight: 600;
    margin-top: 2px;
}

/* ===========================
   섹션 3-2: 미리 읽어보기
   =========================== */
.preview-section {
    background: #fff;
}

.preview-title {
    font-size: 28px;
    font-weight: 700;
    color: #1b2a46;
    text-align: center;
    margin-bottom: 8px;
}

.preview-subtitle {
    font-size: 18px;
    font-weight: 600;
    color: #2D4A22;
    text-align: center;
    margin-bottom: 48px;
}

.preview-body {
    max-width: 800px;
    margin: 0 auto;
}

.preview-body {
    position: relative;
}

.preview-body p {
    font-size: 15px;
    line-height: 2;
    color: #555555;
    margin-bottom: 28px;
    word-break: keep-all;
}

.preview-hidden {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s ease, opacity 0.4s ease;
    opacity: 0;
}

.preview-hidden.show {
    max-height: 2000px;
    opacity: 1;
}

.preview-body::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, transparent 0%, #ffffff 100%);
    pointer-events: none;
    z-index: 1;
}

.preview-body.expanded::after {
    display: none;
}

.preview-actions,
.preview-actions-expanded {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    position: relative;
    z-index: 2;
    margin-top: -20px;
}

.preview-actions-expanded {
    margin-top: 8px;
}

.preview-actions-expanded.hidden {
    display: none;
}

.preview-toggle-btn {
    background: transparent;
    color: #2D4A22;
    padding: 12px 36px;
    border: 2px solid #2D4A22;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.preview-toggle-btn:hover {
    background: #2D4A22;
    color: #fff;
}

.preview-read-more-btn {
    display: inline-block;
    background: #2D4A22;
    color: #fff;
    padding: 12px 36px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.preview-read-more-btn:hover {
    background: #3B6B2E;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 74, 34, 0.3);
}

/* ===========================
   섹션 4: 책 업데이트 무료공 받아보기
   =========================== */
.newsletter-section {
    background: #000000;
    color: white;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    padding-left: calc(50vw - 50%);
    padding-right: calc(50vw - 50%);
}

.newsletter-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.newsletter-image {
    flex: 1;
}

.newsletter-image img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 8px;
    filter: grayscale(100%);
}

.newsletter-text {
    flex: 1;
}

.newsletter-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
}

.newsletter-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #cccccc;
    margin-bottom: 32px;
}

.newsletter-btn {
    display: inline-block;
    background: #3B9B7D;
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.newsletter-btn:hover {
    background: #2d7a61;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 155, 125, 0.3);
}

/* ===========================
   섹션 4: 유튜브 영상
   =========================== */
.video-section {
    background: #F0F7E8;
    text-align: center;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    padding-left: calc(50vw - 50%);
    padding-right: calc(50vw - 50%);
}

.video-section h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #1b2a46;
}

.video-divider {
    width: 60px;
    height: 3px;
    background: #2D4A22;
    margin: 0 auto 40px;
}

.video-slider {
    position: relative;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.video-slides-wrapper {
    display: flex;
    transition: transform 0.5s ease;
}

.video-slide {
    flex: 0 0 100%;
    width: 100%;
}

.video-container {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
}

.video-container iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: block;
}

.video-slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}

.video-slider-arrow {
    background: none;
    border: none;
    font-size: 38px;
    color: #1b2a46;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.video-slider-arrow:hover {
    color: #2D4A22;
}

.video-slider-dots {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.video-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
    transition: background 0.3s;
}

.video-dot.active {
    background: #2D4A22;
}

/* ===========================
   섹션 5: 15개 버튼 별 칼럼 모아보기
   =========================== */
.columns-section {
    background: white;
    text-align: center;
}

.columns-section h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1b2a46;
}

.columns-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.column-card {
    background: #f8f9fa;
    padding: 40px 20px;
    border-radius: 12px;
    border: 1px solid #e5e5e5;
    transition: all 0.3s;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    display: none;
}

.column-card.visible {
    display: block;
}

.column-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: #3B9B7D;
}

.column-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 2px solid #2D4A22;
    border-radius: 50%;
    font-size: 28px;
}

.column-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1b2a46;
}

.show-more-btn {
    display: inline-block;
    background: transparent;
    color: #1b2a46;
    padding: 14px 40px;
    border: 2px solid #1b2a46;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.show-more-btn:hover {
    background: #1b2a46;
    color: white;
}

.show-more-btn.hidden {
    display: none;
}

/* 보도자료 섹션 */
.press-section {
    background: #F5F9EE;
    padding: 80px 0;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.press-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 40px;
}

.press-list {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid #d4ddc8;
    border-bottom: 1px solid #d4ddc8;
}

.press-item {
    display: block;
    padding: 24px 16px;
    border-radius: 8px;
    transition: background 0.2s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.press-item:hover {
    background: rgba(0, 0, 0, 0.04);
}

.press-source {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    background: #2D4A22;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.press-headline {
    font-size: 17px;
    font-weight: 500;
    color: #1A1A1A;
    line-height: 1.6;
    margin: 0;
}

.press-divider {
    height: 1px;
    background: #d4ddc8;
}

@media (max-width: 768px) {
    .press-section {
        padding: 60px 20px;
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .press-title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .press-headline {
        font-size: 15px;
    }
}

/* ===========================
   섹션 8: 협업문의
   =========================== */
.inquiry-section {
    background: #fff;
    padding: 80px 0;
}

.inquiry-wrapper {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.inquiry-title {
    font-size: 28px;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 8px;
}

.inquiry-subtitle {
    font-size: 16px;
    color: #777;
    margin-bottom: 40px;
}

.inquiry-form {
    text-align: left;
}

.inquiry-row {
    display: flex;
    gap: 16px;
}

.inquiry-row .inquiry-field {
    flex: 1;
}

.inquiry-field {
    margin-bottom: 20px;
}

.inquiry-field label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #1A1A1A;
    margin-bottom: 8px;
}

.inquiry-field label .required {
    color: #e74c3c;
    font-weight: 400;
}

.inquiry-field input,
.inquiry-field select,
.inquiry-field textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #E0E8D0;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    color: #1A1A1A;
    background: #fafafa;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.inquiry-field input:focus,
.inquiry-field select:focus,
.inquiry-field textarea:focus {
    outline: none;
    border-color: #2D4A22;
    background: #fff;
}

.inquiry-field input::placeholder,
.inquiry-field textarea::placeholder {
    color: #bbb;
}

.inquiry-field textarea {
    resize: vertical;
    min-height: 120px;
}

.inquiry-field select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.inquiry-submit-btn {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 32px auto 0;
    padding: 14px 0;
    background: #2D4A22;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.inquiry-submit-btn:hover {
    background: #3B6B2E;
}

@media (max-width: 768px) {
    .inquiry-section {
        padding: 60px 20px;
    }

    .inquiry-row {
        flex-direction: column;
        gap: 0;
    }

    .inquiry-title {
        font-size: 24px;
    }

    .inquiry-subtitle {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .inquiry-submit-btn {
        max-width: 100%;
    }
}

/* ===========================
   섹션 9: 필로틱의 다른 책들 보러가기
   =========================== */
.books-section {
    background: #F0F7E8;
    padding: 80px 0;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.books-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 48px;
}

.books-slider-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 20px;
}

.books-slider {
    flex: 1;
    overflow: hidden;
}

.books-slides {
    display: flex;
    gap: 24px;
    transition: transform 0.4s ease;
}

.book-item {
    flex: 0 0 calc(25% - 18px);
    text-align: center;
    text-decoration: none;
    color: inherit;
    display: block;
}

.book-item img {
    width: 100%;
    aspect-ratio: 2 / 3;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.book-item img:hover {
    transform: scale(1.03);
}

.book-item-title {
    margin-top: 12px;
    font-size: 15px;
    font-weight: 500;
    color: #1A1A1A;
}

.books-slider-arrow {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid #ccc;
    background: #fff;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
    color: #333;
    line-height: 0;
}

.books-slider-arrow:hover {
    background: #2D4A22;
    color: #fff;
    border-color: #2D4A22;
}

@media (max-width: 1280px) {
    .book-item {
        flex: 0 0 calc(33.333% - 16px);
    }
}

@media (max-width: 768px) {
    .books-section {
        padding: 60px 0;
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .books-title {
        font-size: 22px;
        margin-bottom: 32px;
    }

    .books-slider-wrapper {
        padding: 0 12px;
        gap: 8px;
    }

    .book-item {
        flex: 0 0 calc(50% - 12px);
    }

    .books-slides {
        gap: 16px;
    }

    .books-slider-arrow {
        width: 36px;
        height: 36px;
        font-size: 20px;
    }

    .book-item-title {
        font-size: 13px;
    }
}

/* ===========================
   섹션 10: 자청 소개
   =========================== */
.author-section {
    background: #2D4A22;
    padding: 80px 0;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.author-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 0 20px;
}

.author-photo {
    flex: 0 0 320px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 12px;
}

.author-photo img {
    width: 100%;
    border-radius: 12px;
    object-fit: cover;
    display: block;
}

.author-info {
    flex: 1;
}

.author-name {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.author-bio {
    font-size: 15px;
    line-height: 1.9;
    color: rgba(210, 229, 158, 0.8);
    margin-bottom: 32px;
}

.author-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.author-link-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-link-icon {
    flex: 0 0 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-link-icon img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.author-link-icon img.icon-invert-white {
    filter: brightness(0) invert(1);
}

.author-link-label {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    min-width: 80px;
}

.author-link-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.author-tag {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid rgba(210, 229, 158, 0.5);
    border-radius: 20px;
    font-size: 13px;
    color: rgba(210, 229, 158, 0.8);
    text-decoration: none;
    transition: all 0.2s;
}

.author-tag:hover {
    background: rgba(210, 229, 158, 0.15);
    border-color: #D2E59E;
    color: #D2E59E;
}

@media (max-width: 768px) {
    .author-section {
        padding: 60px 0;
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .author-wrapper {
        flex-direction: column;
        align-items: center;
        gap: 32px;
        padding: 0 24px;
    }

    .author-photo {
        flex: 0 0 auto;
        width: 180px;
    }

    .author-info {
        text-align: center;
    }

    .author-name {
        font-size: 26px;
    }

    .author-bio {
        font-size: 14px;
    }

    .author-link-row {
        justify-content: center;
        flex-wrap: wrap;
    }

    .author-link-label {
        min-width: auto;
    }
}

/* ===========================
   섹션 6: 북 네트워킹 참여하기
   =========================== */
.networking-section {
    background: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    color: white;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    padding-left: calc(50vw - 50%);
    padding-right: calc(50vw - 50%);
}

.networking-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.networking-image {
    flex: 1;
}

.networking-image img {
    width: 100%;
    max-width: 300px;
    height: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.networking-text {
    flex: 1;
}

.networking-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
}

.networking-text p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 32px;
}

.networking-btn {
    display: inline-block;
    background: #000000;
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.networking-btn:hover {
    background: #1b1b1b;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* ===========================
   반응형 디자인
   =========================== */
/* ===========================
   반응형: 1280px 이하 → 배너 1장만
   =========================== */
@media (max-width: 1280px) {
    .hero-slides-wrapper {
        gap: 0;
    }

    .hero-slide {
        flex: 0 0 100%;
        width: 100%;
        max-width: none;
        height: 520px;
        padding: 0 20px;
        border-radius: 0;
    }

    .hero-content {
        height: 100%;
        padding: 36px 40px;
        gap: 36px;
        border-radius: 16px;
    }

    .hero-text h1 {
        font-size: 30px;
        white-space: normal;
    }

    .hero-text h2 {
        font-size: 18px;
    }

    .hero-image img {
        width: min(38vw, 420px);
    }
    /* 메인배너 6번째 슬라이드 이미지 개별 크기조절 */
    .hero-image.hero-image-six img {
        width: min(53vw, 600px);
    }

    .slider-controls-wrapper {
        max-width: 100%;
        padding: 0 20px;
    }

    .event-content {
        gap: 40px;
    }

    .event-left {
        flex: 0 0 340px;
    }
}

/* ===========================
   반응형: 모바일 (768px 이하)
   =========================== */
@media (max-width: 768px) {
    .section-full {
        padding: 40px 0;
    }

    .section-content {
        padding: 0 16px;
    }

    /* full-width 섹션 모바일 처리 */
    .hero-section,
    .testimonial-section,
    .event-section,
    .newsletter-section,
    .networking-section {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
        padding-right: 0;
    }

    .event-content {
        flex-direction: column;
        gap: 32px;
    }

    .event-left {
        flex: none;
        width: 100%;
    }

    .event-calendar {
        padding: 20px;
    }

    .event-card {
        padding: 18px 20px;
        gap: 14px;
    }

    .event-card-info h3 {
        font-size: 15px;
    }

    .event-card-info p {
        font-size: 13px;
    }

    .event-title {
        font-size: 22px;
        margin-bottom: 24px;
    }

    .calendar-cta {
        padding: 16px;
    }

    .calendar-cta p {
        font-size: 13px;
    }

    .event-right {
        width: 100%;
    }

    .event-card {
        padding: 18px 20px;
        gap: 16px;
    }

    /* 히어로 섹션 */
    .hero-section {
        padding-bottom: 20px !important;
    }

    .hero-slide {
        height: 480px;
        padding: 0 16px;
    }

    .hide-mobile {
        display: none;
    }

    .hero-bookstore-links {
        justify-content: center;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 24px 20px;
        height: 100%;
        border-radius: 12px;
        overflow: hidden;
    }

    .hero-text {
        order: 0;
    }

    .hero-text h1 {
        font-size: 20px;
        white-space: normal;
        margin-bottom: 8px;
    }

    .hero-text h2 {
        font-size: 14px;
        margin-bottom: 12px;
    }

    .hero-text p {
        font-size: 12px;
        line-height: 1.6;
    }

    .hero-image {
        order: 1;
    }

    .hero-image img {
        width: min(60vw, 260px);
        height: auto;
    }

    .hero-image.hero-image-six img {
        width: min(70vw, 360px);
    }

    .slider-controls-wrapper {
        padding: 0 16px;
        margin-top: 12px;
        max-width: 100%;
        justify-content: center;
    }

    .slider-arrows {
        display: none;
    }

    /* 미리 읽어보기 */
    .preview-title {
        font-size: 22px;
    }

    .preview-subtitle {
        font-size: 15px;
        margin-bottom: 32px;
    }

    .preview-body p {
        font-size: 15px;
        line-height: 1.9;
        margin-bottom: 20px;
    }

    /* 후기 섹션 */
    .testimonial-content {
        flex-direction: column;
        gap: 40px;
        align-items: center;
    }

    .testimonial-left {
        order: 0;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .testimonial-left h2 {
        font-size: 24px;
    }

    .testimonial-left .subtitle {
        font-size: 14px;
    }

    .testimonial-left .testimonial-cta {
        display: inline-block;
    }

    .testimonial-right {
        order: 1;
        width: 100%;
        height: 350px;
        position: relative;
        flex: none;
    }

    .testimonial-scroll {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
    }

    .testimonial-card {
        padding: 16px;
        margin-bottom: 12px;
    }

    .testimonial-card p {
        font-size: 13px;
    }

    /* 뉴스레터 섹션 */
    .newsletter-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .newsletter-text h2 {
        font-size: 28px;
    }

    /* 영상 섹션 */
    .video-section {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
        padding-right: 0;
    }

    .video-section h2 {
        font-size: 24px;
    }

    .video-container {
        border-radius: 8px;
    }

    .video-divider {
        margin-bottom: 24px;
    }

    /* 칼럼 섹션 */
    .columns-section h2 {
        font-size: 24px;
    }

    .columns-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .column-card {
        padding: 20px 12px;
    }

    .column-card h3 {
        font-size: 13px;
    }

    .column-icon {
        font-size: 28px;
    }

    /* 네트워킹 섹션 */
    .networking-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .networking-text h2 {
        font-size: 28px;
    }
}

/* 메인 페이지 footer margin 제거 */
.footer {
    margin-top: 0;
}

.main-content {
    padding-bottom: 0;
}