@charset "UTF-8";

/* ==========================================================================
   프리미에르 치과의원 (PREMIERE DENTAL CLINIC) v21 Main Stylesheet
   - 럭셔리 모던 고딕 & 정밀 12컬럼 그리드 시스템 아키텍처
   ========================================================================== */

/* 1. 웹폰트 및 리셋 */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&family=Marcellus&family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

:root {
    /* Color Palette */
    --bg-warm-beige: #F6F4EE;
    --bg-warm-light: #FAF9F6;
    --bg-pure-white: #FFFFFF;
    --bg-dark-slate: #1B1E29;
    --bg-dark-pure: #101218;

    --color-navy: #182033;
    --color-navy-dark: #0F1422;
    --color-slate-blue: #6E7993;
    --color-gold: #CAA876;
    --color-gold-light: #DFCAAA;
    --color-gold-dark: #A68453;
    --color-red: #D64545;

    --text-main: #182033;
    --text-body: #4A5266;
    --text-muted: #848D9E;
    --text-white: #FFFFFF;

    /* Typography */
    --font-serif: 'Cinzel', 'Marcellus', serif;
    --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Noto Sans KR', sans-serif;

    /* Grid & Spacing System */
    --container-width: 1400px;
    --container-padding: 32px;
    --section-py: 130px;
    --section-py-sm: 90px;
    --grid-gap: 24px;
    --grid-gap-lg: 32px;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-smooth: cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: 0.25s var(--ease-smooth);
    --transition-normal: 0.5s var(--ease-smooth);
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    font-size: 16px;
    scroll-behavior: auto;
    background-color: var(--bg-warm-beige);
    color: var(--text-main);
    font-family: var(--font-sans);
}

body {
    overflow-x: hidden;
    line-height: 1.65;
    background-color: var(--bg-warm-beige);
    color: var(--text-main);
    word-break: keep-all;
    word-wrap: break-word;
    letter-spacing: -0.015em;
    transition: background-color 0.6s var(--ease-smooth);
}

body.dark-mode {
    background-color: var(--bg-dark-pure);
    color: var(--text-white);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul,
ol,
li {
    list-style: none;
}

img,
video {
    display: block;
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    background: none;
    border: none;
    cursor: pointer;
    outline: none;
}

/* ==========================================================================
   그리드 시스템 & 공통 레이아웃 컨테이너
   ========================================================================== */
.section_inner {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section_title_block {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 56px;
    gap: 24px;
}

.section_tag {
    font-family: var(--font-serif);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--color-gold-dark);
    text-transform: uppercase;
    margin-bottom: 12px;
    display: inline-block;
}

.section_main_title {
    font-family: var(--font-sans);
    font-size: clamp(28px, 2.6vw, 42px);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.025em;
    color: var(--color-navy);
}

.section_main_title span.bold {
    font-weight: 800;
    color: var(--color-navy-dark);
}

.more_btn_circle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 11px 24px;
    border: 1px solid rgba(24, 32, 51, 0.18);
    border-radius: 40px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-navy);
    background: transparent;
    transition: all 0.3s var(--ease-smooth);
    white-space: nowrap;
}

.more_btn_circle:hover {
    background-color: var(--color-navy);
    color: var(--text-white);
    border-color: var(--color-navy);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(24, 32, 51, 0.15);
}

.ta_c {
    text-align: center;
}

.ta_l {
    text-align: left;
}

.ta_r {
    text-align: right;
}


/* ==========================================================================
   Header (GNB) - 초기 투명 -> 히어로 종료 후 배경색 노출
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 1000;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid transparent;
    box-shadow: none;
    transition: background-color 0.4s var(--ease-smooth), backdrop-filter 0.4s var(--ease-smooth), border-color 0.4s var(--ease-smooth), box-shadow 0.4s var(--ease-smooth), height 0.4s var(--ease-smooth);
}

/* 히어로 세션 종료 후 (다음 섹션 진입 시 배경색 적용) */
.main-header.has_bg,
.main-header.scrolled {
    height: 74px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(24, 32, 51, 0.06);
    box-shadow: 0 4px 24px rgba(16, 20, 30, 0.06);
}

.main-header.color_change,
body.dark-mode .main-header {
    background: rgba(16, 18, 24, 0.94);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.ht-inner {
    max-width: var(--container-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 1. 좌측 로고 */
.ht-inner__left .logo_wrap {
    display: flex;
    flex-direction: column;
}

.logo_title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-navy);
    text-transform: uppercase;
    transition: var(--transition-fast);
    line-height: 1.1;
}

.logo_sub {
    display: block;
    font-size: 9px;
    letter-spacing: 0.25em;
    color: var(--color-slate-blue);
    font-family: var(--font-sans);
    font-weight: 600;
    margin-top: 2px;
}

.main-header.color_change .logo_title,
body.dark-mode .logo_title {
    color: var(--text-white);
}

/* 2. 센터 카테고리 네비게이션 */
.ht-inner__center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.header_nav .nav_menu_list {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav_item a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-navy);
    letter-spacing: -0.02em;
    padding: 6px 2px;
    position: relative;
    transition: color 0.3s var(--ease-smooth);
    display: inline-block;
}

.nav_item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width 0.3s var(--ease-smooth);
    border-radius: 2px;
}

.nav_item a:hover {
    color: var(--color-gold-dark);
}

.nav_item a:hover::after {
    width: 100%;
}

.main-header.color_change .nav_item a,
body.dark-mode .nav_item a {
    color: rgba(255, 255, 255, 0.82);
}

.main-header.color_change .nav_item a:hover,
body.dark-mode .nav_item a:hover {
    color: var(--color-gold);
}

/* 3. 우측 유틸 & 빠른예약 */
.ht-inner__right {
    display: flex;
    align-items: center;
    gap: 18px;
}

.header_reserve_btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 30px;
    background-color: var(--color-navy);
    color: var(--text-white);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition: all 0.3s var(--ease-smooth);
    border: 1px solid var(--color-navy);
}

.header_reserve_btn:hover {
    background-color: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-navy-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(202, 168, 118, 0.3);
}

.main-header.color_change .header_reserve_btn,
body.dark-mode .header_reserve_btn {
    background-color: var(--color-gold);
    color: var(--color-navy-dark);
    border-color: var(--color-gold);
}

.lang_switch {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-family: var(--font-serif);
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.lang_switch a.active {
    color: var(--color-navy);
}

.main-header.color_change .lang_switch a.active,
body.dark-mode .lang_switch a.active {
    color: var(--text-white);
}

.hamberger_box {
    width: 36px;
    height: 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    position: relative;
    z-index: 1001;
    touch-action: manipulation;
}

.hamberger_box .line {
    width: 100%;
    height: 2px;
    background-color: var(--color-navy);
    transition: var(--transition-fast);
    border-radius: 2px;
}

.hamberger_box .line:nth-child(2) {
    width: 70%;
    margin-left: auto;
}

.main-header.color_change .hamberger_box .line,
body.dark-mode .hamberger_box .line {
    background-color: var(--text-white);
}

.hamberger_box:hover .line {
    background-color: var(--color-gold);
    width: 100%;
}

/* 풀스크린 GNB */
.gnb-outer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(16, 18, 24, 0.98);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.5s var(--ease-out-expo);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gnb-outer.open {
    opacity: 1;
    visibility: visible;
}

.gnb-close-btn {
    position: absolute;
    top: 32px;
    right: 40px;
    color: var(--text-white);
    font-size: 20px;
    cursor: pointer;
    font-family: var(--font-serif);
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.gnb-menu-list {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.gnb-menu-depth1 a {
    font-size: 28px;
    font-family: var(--font-sans);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: -0.01em;
    transition: var(--transition-fast);
    display: inline-block;
}

.gnb-menu-depth1 a span.num {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-gold);
    margin-right: 14px;
}

.gnb-menu-depth1 a span.bold {
    font-weight: 700;
    color: var(--text-white);
}

.gnb-menu-depth1 a:hover {
    color: var(--color-gold);
    transform: translateY(-2px);
}


/* ==========================================================================
   Section 1: Hero Intro Fixed Pinning Section (완벽한 레이아웃 & 겹침 방지)
   ========================================================================== */
.main_intro_fixed_wrap {
    position: relative;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-warm-beige);
    overflow: hidden;
    transition: background-color 0.6s var(--ease-smooth);
}

/* 풀스크린 앰비언트 뎁스 글로우 (Ambient Depth Glow) 레이어 */
.intro_ambient_bg_layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.intro_ambient_bg {
    position: absolute;
    top: -50px;
    left: -50px;
    right: -50px;
    bottom: -50px;
    background-size: cover;
    background-position: center;
    filter: blur(20px) brightness(0.7) saturate(1.15);
    opacity: 0;
    transform: scale(1.08);
    will-change: opacity, transform, filter;
}

.intro_ambient_bg01 {
    background-image: url('../images/hero_intro1_v21.png');
    opacity: 0.38;
    transform: scale(1.0);
    z-index: 1;
}

.intro_ambient_bg02 {
    background-image: url('../images/hero_intro2_v21.png');
    opacity: 0;
    z-index: 2;
}

.intro_ambient_bg03 {
    background-image: url('../images/hero_intro3_v21.png');
    opacity: 0;
    z-index: 3;
}

.intro_ambient_overlay {
    position: absolute;
    inset: 0;
    z-index: 4;
    background: radial-gradient(circle at 50% 50%, rgba(245, 243, 237, 0.15) 0%, rgba(16, 20, 30, 0.45) 100%);
    transition: background 0.8s ease;
}

.main_intro_fixed {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.main_intro_wrap {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 95px 24px 30px;
    box-sizing: border-box;
    z-index: 3;
}

/* 상단 PREMIERE 타이포 */
.main_intro_bigtext01 {
    width: 100%;
    text-align: center;
    flex-shrink: 0;
}

.main_intro_bigtext p.txt01 {
    font-family: var(--font-serif);
    font-size: clamp(38px, 5.2vw, 84px);
    letter-spacing: 0.22em;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1;
    transition: color 0.5s var(--ease-smooth);
    margin: 0;
}

.main_intro_bigtext p.txt01 span {
    display: inline-block;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

.main_intro_bigtext p.txt01 span.reveal-done {
    opacity: 1;
    transform: translateY(0);
}

/* 중앙 패널 + 텍스트 묶음 컨테이너 */
.main_intro_center_group {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin: auto 0;
    z-index: 5;
}

/* 중앙 이미지 스와이퍼 박스: 3D 시네마틱 뎁스 줌 (3D Cinema Depth & Dissolve) */
.main_intro_swiper_wrap {
    position: relative;
    width: clamp(520px, 46vw, 680px);
    height: 360px;
    max-width: 90vw;
    max-height: 46vh;
    border-radius: 4px;
    overflow: hidden;
    perspective: 1200px;
    transform-style: preserve-3d;
    box-shadow: 0 24px 60px rgba(16, 20, 30, 0.22);
    background-color: var(--color-navy);
}

.main_intro_swiper_box {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    transform-style: preserve-3d;
}

.main_intro_slider_box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    transform-origin: center center;
    will-change: transform, opacity, filter;
}

.main_intro_slider_box01 {
    background-image: url('../images/hero_intro1_v21.png');
    z-index: 3;
    opacity: 1;
    transform: scale(1);
    filter: blur(0px);
}

.main_intro_slider_box02 {
    background-image: url('../images/hero_intro2_v21.png');
    z-index: 2;
    opacity: 0;
    transform: scale(0.82);
    filter: blur(8px);
}

.main_intro_slider_box03 {
    background-image: url('../images/hero_intro3_v21.png');
    z-index: 1;
    opacity: 0;
    transform: scale(0.82);
    filter: blur(8px);
}

.main_intro_slider_overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(16, 20, 30, 0.15) 0%, rgba(16, 20, 30, 0.65) 100%);
}

.main_intro_slider_text_wrap {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 24px 32px;
}

.main_intro_slider_text01 p.txt01 {
    font-family: var(--font-sans);
    font-size: clamp(36px, 3.4vw, 48px);
    font-weight: 800;
    color: var(--text-white);
    letter-spacing: -0.02em;
    line-height: 1.1;
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.main_intro_slider_text01 p.txt01 span.large_num {
    font-size: 68px;
    font-weight: 800;
    font-family: var(--font-sans);
    letter-spacing: -0.03em;
}

/* 서브 카피 텍스트 인디케이터 (가로 100% 한 줄 정렬 & 겹침 방지) */
.main_intro_desc_wrap {
    position: relative;
    width: 100%;
    max-width: clamp(520px, 46vw, 680px);
    height: 32px;
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main_intro_text {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    text-align: center;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s var(--ease-smooth), transform 0.35s var(--ease-smooth);
    pointer-events: none;
}

.main_intro_text.on {
    opacity: 1;
    transform: translateY(0);
}

.main_intro_text p.txt01 {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-navy);
    white-space: nowrap;
    line-height: 1.4;
    margin: 0;
}

/* 3단계 다크 배경 시 3번째 서브카피는 선명한 순백색으로 반전 */
.main_intro_text03 p.txt01 {
    color: #FFFFFF !important;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

/* 하단 DENTAL 타이포 */
.main_intro_bigtext02 {
    width: 100%;
    text-align: center;
    flex-shrink: 0;
    margin-bottom: 24px;
}

.mouse_scroll.intro_scroll {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
}

.mouse_scroll.intro_scroll p.txt01 {
    font-size: 12px;
    letter-spacing: -0.01em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.intro_scroll_arrows {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-right: 2px solid var(--color-navy);
    border-bottom: 2px solid var(--color-navy);
    transform: rotate(45deg);
    animation: arrow_bounce 1.5s infinite;
}

@keyframes arrow_bounce {

    0%,
    100% {
        transform: rotate(45deg) translate(0, 0);
        opacity: 0.35;
    }

    50% {
        transform: rotate(45deg) translate(3px, 3px);
        opacity: 1;
    }
}


/* ==========================================================================
   Section 2: Main Visual Slider with Modern Gothic Typography & Counter
   ========================================================================== */
.main_cont_wrap01 {
    position: relative;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-dark-pure);
    overflow: hidden;
}

.main_top_slider {
    width: 100%;
    height: 100%;
}

.main_top_slider .swiper-slide {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main_slider_bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.62);
    transform: scale(1.05);
    transition: transform 6s ease-out;
}

.swiper-slide-active .main_slider_bg {
    transform: scale(1.0);
}

.main_slider_bg01 {
    background-image: url('../images/main_slider1_v21.png');
}

.main_slider_bg02 {
    background-image: url('../images/main_slider2_v21.png');
}

.main_slider_bg03 {
    background-image: url('../images/main_slider3_v21.png');
}

.main_top_slider_text_wrap {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 960px;
    padding: 0 var(--container-padding);
    color: var(--text-white);
}

.main_top_slider_tag {
    font-family: var(--font-serif);
    font-size: 14px;
    letter-spacing: 0.22em;
    color: var(--color-gold);
    text-transform: uppercase;
    margin-bottom: 18px;
    font-weight: 600;
}

/* 폰트 고딕체 개편: 모던하고 단단한 프리미엄 산세리프 적용 */
.main_top_slider_title {
    font-family: var(--font-sans);
    font-size: clamp(32px, 3.8vw, 54px);
    line-height: 1.35;
    letter-spacing: -0.03em;
    font-weight: 700;
    margin-bottom: 20px;
    word-break: keep-all;
}

.main_top_slider_title span.italic {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--color-gold-light);
    font-weight: 600;
    letter-spacing: 0.02em;
    margin: 0 4px;
}

.main_top_slider_subtitle {
    font-family: var(--font-sans);
    font-size: clamp(18px, 1.8vw, 26px);
    font-weight: 400;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.92);
}

.main_top_slider_subtitle span.semibold {
    font-weight: 700;
    color: var(--color-gold);
}

/* ==========================================================================
   Section 2: Main Visual Slider - 100% 프리미엄 고딕 폰트 & 정중앙 컨트롤러
   ========================================================================== */
.main_cont_wrap01 {
    position: relative;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-dark-pure);
    overflow: hidden;
}

.main_top_slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.main_top_slider .swiper-slide {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main_slider_bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.62);
    transform: scale(1.05);
    transition: transform 6s ease-out;
}

.swiper-slide-active .main_slider_bg {
    transform: scale(1.0);
}

.main_slider_bg01 {
    background-image: url('../images/main_slider1_v21.png');
}

.main_slider_bg02 {
    background-image: url('../images/main_slider2_v21.png');
}

.main_slider_bg03 {
    background-image: url('../images/main_slider3_v21.png');
}

.main_top_slider_text_wrap {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 960px;
    padding: 0 var(--container-padding);
    color: var(--text-white);
}

/* 상단 영문 태그 (고딕 볼드) */
.main_top_slider_tag {
    font-family: var(--font-sans);
    font-size: 13px;
    letter-spacing: 0.18em;
    color: var(--color-gold);
    text-transform: uppercase;
    margin-bottom: 18px;
    font-weight: 700;
}

/* 메인 타이틀: 궁서체 제거 -> 100% 프리미엄 고딕(Pretendard) 적용 */
.main_top_slider_title {
    font-family: var(--font-sans) !important;
    font-size: clamp(32px, 3.8vw, 54px);
    line-height: 1.35;
    letter-spacing: -0.03em;
    font-weight: 700;
    margin-bottom: 20px;
    word-break: keep-all;
    font-style: normal !important;
}

.main_top_slider_title span.italic,
.main_top_slider_title span.bold {
    font-family: var(--font-sans) !important;
    font-style: normal !important;
    color: var(--color-gold);
    font-weight: 800 !important;
    letter-spacing: -0.02em;
    margin: 0 4px;
}

.main_top_slider_subtitle {
    font-family: var(--font-sans) !important;
    font-size: clamp(18px, 1.8vw, 26px);
    font-weight: 400;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.92);
    font-style: normal !important;
}

.main_top_slider_subtitle span.semibold {
    font-family: var(--font-sans) !important;
    font-weight: 700;
    color: var(--color-gold);
    font-style: normal !important;
}

.main_top_slider_desc {
    font-family: var(--font-sans) !important;
    font-size: 16px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.8;
    max-width: 720px;
    margin: 0 auto;
    letter-spacing: -0.015em;
    font-style: normal !important;
}

/* 실시간 통계 카운터 영역 */
.main_top_slider_counter_wrap {
    display: flex;
    justify-content: center;
    gap: 64px;
    margin: 32px 0 24px;
}

.main_top_slider_counter {
    text-align: center;
}

.counter_num_box {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.counter_num_box .counter {
    font-family: var(--font-sans) !important;
    font-size: clamp(44px, 4.2vw, 64px);
    font-weight: 800;
    color: var(--color-gold);
    line-height: 1;
    letter-spacing: -0.03em;
    font-style: normal !important;
}

.counter_num_box .plus {
    font-family: var(--font-sans) !important;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-gold-light);
    font-style: normal !important;
}

.counter_label {
    font-family: var(--font-sans) !important;
    font-size: 14px;
    letter-spacing: -0.02em;
    color: rgba(255, 255, 255, 0.85);
    margin-top: 8px;
    font-weight: 400;
}

/* 롤링 컨트롤 아이콘: 화면 하단 정중앙 완벽 배치 */
.main_cont_wrap01 .main_slider_pagination {
    position: absolute !important;
    bottom: 36px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 12px !important;
    z-index: 20 !important;
    margin: 0 auto !important;
    pointer-events: auto !important;
}

.main_cont_wrap01 .main_slider_pagination .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.4);
    opacity: 1;
    border-radius: 50%;
    transition: all 0.35s var(--ease-smooth);
    margin: 0 !important;
    cursor: pointer;
}

.main_cont_wrap01 .main_slider_pagination .swiper-pagination-bullet-active {
    background: var(--color-gold);
    width: 28px;
    border-radius: 10px;
}


/* ==========================================================================
   Section 3: Medical Speciality (4대 시그니처 진료 4-컬럼 그리드)
   ========================================================================== */
.main_cont_wrap02 {
    padding: var(--section-py) 0;
    background-color: var(--bg-warm-light);
    position: relative;
}

/* ==========================================================================
   Section 3: Medical Speciality (스티키 3D 카드 스태킹)
   ========================================================================== */
.specialty_stack_wrap {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 48px;
    padding-bottom: 60px;
}

.specialty_stack_card {
    position: sticky;
    top: 110px;
    width: 100%;
    min-height: 480px;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    background: #FFFFFF;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(16, 20, 30, 0.12);
    border: 1px solid rgba(24, 32, 51, 0.08);
    transition: transform 0.4s var(--ease-out-expo), filter 0.4s var(--ease-out-expo);
    will-change: transform, filter;
}

.stack_card_left {
    padding: 56px 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #FFFFFF;
}

.stack_card_tag {
    font-family: var(--font-serif);
    font-size: 13.5px;
    letter-spacing: 0.16em;
    color: var(--color-gold-dark);
    font-weight: 700;
    margin-bottom: 12px;
}

.stack_card_title {
    font-family: var(--font-sans);
    font-size: clamp(26px, 2.4vw, 34px);
    font-weight: 500;
    color: var(--color-navy);
    line-height: 1.3;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.stack_card_title span.bold {
    font-weight: 800;
}

.stack_card_subtitle {
    font-family: var(--font-serif);
    font-size: 14.5px;
    color: var(--color-slate-blue);
    letter-spacing: 0.04em;
    margin-bottom: 20px;
}

.stack_card_desc {
    font-size: 15.5px;
    color: var(--text-body);
    line-height: 1.65;
    word-break: keep-all;
    margin-bottom: 28px;
}

.stack_card_bullets {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stack_card_bullets li {
    font-size: 15px;
    color: var(--color-navy);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.stack_card_bullets li i {
    color: var(--color-gold);
    font-size: 19px;
}

.stack_card_right {
    background-size: cover;
    background-position: center;
    position: relative;
    min-height: 340px;
}

.stack_img_overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.15) 0%, rgba(16, 20, 30, 0.2) 100%);
}
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 14px;
    letter-spacing: 0.05em;
}

.card_hover_desc {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.45s var(--ease-smooth);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.65;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    padding-top: 14px;
    letter-spacing: -0.015em;
}

.specialty_card:hover .card_hover_desc {
    max-height: 120px;
    opacity: 1;
}


/* ==========================================================================
   Section 4: Full-bleed 4-Column Monolith Protocol (화면 100% 꽉 채운 4-컬럼 기둥)
   ========================================================================== */
.monolith_section {
    padding: 110px 0 0 0;
    background-color: var(--bg-pure-white);
    overflow: hidden;
}

.monolith_title_block {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 56px;
    gap: 32px;
}

.monolith_title_block .title_sub_desc {
    max-width: 460px;
    text-align: right;
}

.monolith_title_block .title_sub_desc p {
    font-size: 15.5px;
    color: var(--text-body);
    line-height: 1.65;
    letter-spacing: -0.015em;
    word-break: keep-all;
}

/* 좌우 여백 0px: 화면 100% 풀블리드 4-컬럼 컨테이너 */
.monolith_fullbleed_wrap {
    width: 100%;
    display: flex;
    border-top: 1px solid rgba(24, 32, 51, 0.08);
    border-bottom: 1px solid rgba(24, 32, 51, 0.08);
    min-height: 640px;
    background-color: var(--bg-pure-white);
}

.monolith_column {
    flex: 1;
    position: relative;
    border-right: 1px solid rgba(24, 32, 51, 0.08);
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: var(--bg-pure-white);
    transition: flex 0.55s var(--ease-out-expo), background-color 0.4s var(--ease-smooth), box-shadow 0.4s var(--ease-smooth);
    cursor: pointer;
    overflow: hidden;
}

.monolith_column:last-child {
    border-right: none;
}

/* 우측 하단 초대형 워터마크 아이콘 그래픽 (나올 때 시계 반대 방향 로테이션 & 락) */
.monolith_watermark_icon {
    position: absolute;
    right: -35px;
    bottom: -25px;
    font-size: 340px;
    line-height: 1;
    color: var(--color-gold);
    opacity: 0;
    transform-origin: center center;
    transform: translateX(120px) rotate(50deg) scale(0.85);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1), color 0.4s ease;
    pointer-events: none;
    z-index: 1;
}

/* 컬럼 내부 텍스트 콘텐츠 */
.monolith_inner {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.monolith_top {
    margin-bottom: 28px;
}

.monolith_num {
    font-family: var(--font-sans);
    font-size: clamp(52px, 4.4vw, 72px);
    font-weight: 800;
    color: var(--color-gold);
    line-height: 1;
    letter-spacing: -0.03em;
    display: block;
    transition: color 0.35s ease, transform 0.35s var(--ease-smooth);
}

.monolith_tag_en {
    font-family: var(--font-serif);
    font-size: 13.5px;
    letter-spacing: 0.12em;
    color: var(--color-slate-blue);
    text-transform: uppercase;
    margin-top: 12px;
    font-weight: 600;
    transition: color 0.35s ease;
}

.monolith_body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    max-width: 380px;
}

.monolith_title_ko {
    font-family: var(--font-sans);
    font-size: clamp(28px, 2.2vw, 36px);
    font-weight: 800;
    color: var(--color-navy);
    line-height: 1.3;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    word-break: keep-all;
    white-space: nowrap;
    transition: color 0.35s ease;
}

.monolith_statement {
    font-family: var(--font-sans);
    font-size: 16.5px;
    font-weight: 600;
    color: var(--color-navy);
    line-height: 1.6;
    letter-spacing: -0.02em;
    word-break: keep-all;
    transition: color 0.35s ease;
}

.monolith_inline_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.m_tag_chip {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gold-dark);
    background: rgba(202, 168, 118, 0.12);
    padding: 5px 12px;
    border-radius: 4px;
    letter-spacing: -0.01em;
    border: 1px solid rgba(202, 168, 118, 0.22);
    transition: all 0.35s ease;
}

.monolith_bottom {
    margin-top: 32px;
    position: relative;
    width: 100%;
}

.monolith_gold_bar {
    display: block;
    width: 0%;
    height: 3px;
    background: var(--color-gold);
    border-radius: 2px;
    transition: width 0.45s var(--ease-out-expo);
}

/* 마우스 호버 및 스크롤 액티브 시: 가로 확장 + 다크 반전 + [모션 4] 45도 광학 렌즈 회전 안착 */
@media (min-width: 961px) {
    .monolith_column:hover,
    .monolith_column.active {
        flex: 1.42;
        background-color: var(--color-navy) !important;
        box-shadow: 0 20px 60px rgba(16, 20, 30, 0.25);
        z-index: 2;
    }
}

.monolith_column:hover,
.monolith_column.active {
    background-color: var(--color-navy) !important;
}

.monolith_column:hover .monolith_watermark_icon,
.monolith_column.active .monolith_watermark_icon {
    opacity: 0.18;
    transform: translateX(0) rotate(0deg) scale(1.0);
    color: var(--color-gold-light);
}

.monolith_column:hover .monolith_num,
.monolith_column.active .monolith_num {
    color: var(--color-gold-light);
    transform: translateY(-3px);
}

.monolith_column:hover .monolith_tag_en,
.monolith_column.active .monolith_tag_en {
    color: var(--color-gold);
}

.monolith_column:hover .monolith_title_ko,
.monolith_column:hover .monolith_statement,
.monolith_column.active .monolith_title_ko,
.monolith_column.active .monolith_statement {
    color: var(--text-white);
}

.monolith_column:hover .monolith_bottom,
.monolith_column.active .monolith_bottom {
    border-color: rgba(255, 255, 255, 0.12);
}

.monolith_column:hover .m_tag_chip,
.monolith_column.active .m_tag_chip {
    background: rgba(202, 168, 118, 0.25);
    color: var(--color-gold-light);
}

.monolith_column:hover .monolith_gold_bar,
.monolith_column.active .monolith_gold_bar {
    width: 100%;
}

/* 반응형 모놀리스 */
@media (max-width: 960px) {
    .monolith_fullbleed_wrap {
        flex-direction: column;
        min-height: auto;
    }

    .monolith_column {
        flex: 1 1 100%;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(24, 32, 51, 0.12);
        padding: 48px 32px;
    }

    .monolith_title_block {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .monolith_title_block .title_sub_desc {
        text-align: left;
        max-width: 100%;
    }
}


/* ==========================================================================
   Section 5: Cinematic Technology & Video (정밀 프레임 그리드)
   ========================================================================== */
.main_cont_wrap04 {
    padding: var(--section-py) 0;
    background-color: var(--bg-warm-beige);
}

.video_frame_box {
    position: relative;
    width: 100%;
    height: 560px;
    margin-top: 48px;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(24, 32, 51, 0.12);
    background-color: var(--color-navy);
}

.video_frame_box img,
.video_frame_box video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video_overlay_badge {
    position: absolute;
    bottom: 32px;
    left: 32px;
    padding: 14px 24px;
    background: rgba(16, 18, 24, 0.85);
    backdrop-filter: blur(12px);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-white);
    text-align: left;
}

.video_overlay_badge h4 {
    font-family: var(--font-serif);
    font-size: 16px;
    color: var(--color-gold);
    margin-bottom: 2px;
    letter-spacing: 0.05em;
}

.video_overlay_badge p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.82);
    letter-spacing: -0.01em;
}


/* ==========================================================================
   Section 6: Dental Magazine & Articles (스와이퍼 3.2열 그리드)
   ========================================================================== */
.main_cont_wrap05 {
    padding: var(--section-py) 0;
    background-color: var(--bg-warm-light);
}

.magazine_layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 48px;
    align-items: center;
}

.magazine_swiper_wrap {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.magazine_card {
    border-radius: 4px;
    overflow: hidden;
    background: var(--bg-pure-white);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
    transition: transform 0.35s var(--ease-smooth);
}

.magazine_card:hover {
    transform: translateY(-6px);
}

.magazine_thumb {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.mag_thumb_01 {
    background-image: url('../images/specialty_sedation_v21.png');
}

.mag_thumb_02 {
    background-image: url('../images/specialty_resin_v21.png');
}

.mag_thumb_03 {
    background-image: url('../images/specialty_micro_v21.png');
}

.mag_thumb_04 {
    background-image: url('../images/hero_intro3_v21.png');
}

.magazine_body {
    padding: 24px;
}

.magazine_cat {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-gold-dark);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.magazine_title {
    font-family: var(--font-sans);
    font-size: 17px;
    font-weight: 600;
    color: var(--color-navy);
    line-height: 1.45;
    letter-spacing: -0.02em;
}

/* 매거진 프로그레스바 인디케이터 (카드 하단 위치 고정 & 겹침 방지) */
.magazine_progressbar {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    bottom: auto !important;
    width: 100% !important;
    margin-top: 36px !important;
    height: 3px !important;
    background: rgba(24, 32, 51, 0.1) !important;
    border-radius: 3px;
    overflow: hidden;
    display: block !important;
}

.magazine_progressbar .swiper-pagination-progressbar-fill {
    background: var(--color-navy) !important;
    height: 100% !important;
    border-radius: 3px;
}


/* ==========================================================================
   Section 7: Before & After Dark Accordion
   ========================================================================== */
.main_cont_wrap06 {
    padding: var(--section-py) 0;
    background-color: var(--bg-dark-pure);
    color: var(--text-white);
    position: relative;
    transition: background-color 0.6s var(--ease-smooth);
}

.bna_header {
    text-align: center;
    margin-bottom: 56px;
}

.bna_tag {
    font-family: var(--font-serif);
    font-size: 14px;
    letter-spacing: 0.22em;
    color: var(--color-gold);
    margin-bottom: 10px;
    font-weight: 600;
}

.bna_title {
    font-family: var(--font-sans);
    font-size: clamp(28px, 2.6vw, 42px);
    font-weight: 400;
    letter-spacing: -0.025em;
}

.bna_title span.bold {
    font-weight: 700;
    color: var(--color-gold-light);
}

/* ==========================================================================
   Section 7: Interactive Curtain Reveal Before & After Slider
   ========================================================================== */
.bna_curtain_section {
    position: relative;
    width: 100%;
    padding: var(--section-py) 0;
    background-color: var(--bg-dark-slate);
    color: var(--text-white);
    transition: background-color 0.5s ease;
}

/* 탭 칩 버튼 리스트 */
.bna_tab_chips_wrap {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 36px;
    margin-bottom: 36px;
}

.bna_chip_btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.75);
    padding: 10px 22px;
    border-radius: 30px;
    font-size: 14.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
}

.bna_chip_btn .chip_num {
    color: var(--color-gold);
    font-family: var(--font-serif);
    font-size: 13px;
    font-weight: 700;
}

.bna_chip_btn:hover,
.bna_chip_btn.active {
    background: rgba(202, 168, 118, 0.16);
    border-color: var(--color-gold);
    color: #FFFFFF;
    box-shadow: 0 4px 20px rgba(202, 168, 118, 0.25);
    transform: translateY(-2px);
}

/* 커튼 슬라이더 스테이지 */
.bna_curtain_stage {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bna_curtain_lens {
    position: relative;
    width: 100%;
    height: 540px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.15);
    cursor: ew-resize;
    user-select: none;
    -webkit-user-select: none;
    background: #0D0F14;
}

.lens_layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.lens_layer img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

/* 상부 레이어 (BEFORE - 50% 분할 클립) */
.lens_before {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 50%;
    overflow: hidden;
    z-index: 2;
    border-right: 2px solid var(--color-gold);
}

.lens_before img {
    position: absolute;
    top: 0;
    left: 0;
    width: 1080px;
    max-width: none;
    height: 100%;
    object-fit: cover;
}

/* 뱃지 */
.lens_badge {
    position: absolute;
    top: 20px;
    font-family: var(--font-serif);
    font-size: 11.5px;
    letter-spacing: 0.1em;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 3px;
    z-index: 5;
    text-transform: uppercase;
}

.lens_badge.before {
    left: 20px;
    background: rgba(16, 20, 30, 0.88);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
}

.lens_badge.after {
    right: 20px;
    background: var(--color-gold);
    color: var(--color-navy);
    font-weight: 800;
    box-shadow: 0 4px 15px rgba(202, 168, 118, 0.4);
}

/* 커튼 핸들 바 */
.curtain_handle_bar {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.handle_pill {
    background: var(--color-gold);
    color: var(--color-navy);
    padding: 7px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 0 25px rgba(202, 168, 118, 0.85);
    cursor: ew-resize;
    pointer-events: auto;
    font-family: var(--font-sans);
}

.handle_pill i {
    font-size: 14px;
    font-weight: 900;
}

/* 조작 힌트 */
.curtain_guide_hint {
    margin-top: 16px;
    margin-bottom: 28px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 6px;
}

.curtain_guide_hint i {
    color: var(--color-gold);
    font-size: 17px;
}

/* 상세 리포트 카드 */
.bna_case_detail_card {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 6px;
    padding: 32px 36px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(10px);
}

.detail_header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}

.detail_badge {
    font-family: var(--font-serif);
    font-size: 12.5px;
    letter-spacing: 0.15em;
    font-weight: 700;
    color: var(--color-gold);
    background: rgba(202, 168, 118, 0.15);
    padding: 4px 12px;
    border-radius: 3px;
    border: 1px solid rgba(202, 168, 118, 0.3);
    flex-shrink: 0;
}

.detail_title {
    font-family: var(--font-sans);
    font-size: 19px;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: -0.02em;
    line-height: 1.4;
    transition: opacity 0.3s ease;
}

.doctor_quote_box {
    background: rgba(0, 0, 0, 0.35);
    border-left: 3px solid var(--color-gold);
    padding: 16px 20px;
    border-radius: 0 4px 4px 0;
    margin-bottom: 18px;
}

.quote_label {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.quote_text {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.65;
    word-break: keep-all;
    transition: opacity 0.3s ease;
}

.detail_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag_chip {
    font-size: 13px;
    color: var(--color-gold-light);
    background: rgba(202, 168, 118, 0.12);
    padding: 4px 10px;
    border-radius: 3px;
    border: 1px solid rgba(202, 168, 118, 0.2);
}


/* ==========================================================================
   Section 8: YouTube 'Premiere Insight' (3-컬럼 그리드)
   ========================================================================== */
.main_cont_wrap08 {
    padding: var(--section-py) 0;
    background-color: var(--bg-warm-light);
}

.youtube_tab_btns {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.youtube_tab_btn {
    padding: 9px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-body);
    background: rgba(24, 32, 51, 0.06);
    transition: var(--transition-fast);
}

.youtube_tab_btn.active {
    background: var(--color-navy);
    color: var(--text-white);
}

.youtube_grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--grid-gap);
}

.youtube_card {
    border-radius: 4px;
    overflow: hidden;
    background: var(--bg-pure-white);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
    transition: transform 0.35s var(--ease-smooth);
}

.youtube_card:hover {
    transform: translateY(-6px);
}

.youtube_thumb_wrap {
    position: relative;
    height: 200px;
    background-size: cover;
    background-position: center;
}

.play_icon_overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.28);
    color: #FF0000;
    font-size: 44px;
    transition: transform 0.3s var(--ease-smooth);
}

.youtube_card:hover .play_icon_overlay {
    transform: scale(1.12);
}

.youtube_info {
    padding: 20px;
}

.youtube_title {
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-navy);
    line-height: 1.5;
    letter-spacing: -0.02em;
}


/* ==========================================================================
   Section 9: VIP 1:1 Private Reservation & Consultation Form (스마트 폼메일)
   ========================================================================== */
.reservation_section {
    padding: var(--section-py) 0;
    background-color: var(--bg-warm-beige);
    position: relative;
}

.reservation_layout_box {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 48px;
    align-items: start;
    background: #FFFFFF;
    border-radius: 4px;
    padding: 56px 48px;
    box-shadow: 0 24px 60px rgba(16, 20, 30, 0.08);
    border: 1px solid rgba(24, 32, 51, 0.08);
}

.reserve_info_side {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.reserve_side_desc {
    margin-top: 16px;
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.65;
    letter-spacing: -0.015em;
    word-break: keep-all;
}

.reserve_benefit_list {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.reserve_benefit_item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.reserve_benefit_item .b_icon {
    width: 44px;
    height: 44px;
    border-radius: 4px;
    background: rgba(202, 168, 118, 0.15);
    color: var(--color-gold-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.reserve_benefit_item .b_text h5 {
    font-size: 16.5px;
    font-weight: 700;
    color: var(--color-navy);
    letter-spacing: -0.02em;
    line-height: 1.4;
}

.reserve_direct_call {
    margin-top: auto;
    padding-top: 36px;
    border-top: 1px solid rgba(24, 32, 51, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.reserve_direct_call span {
    font-size: 14.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.reserve_direct_call a {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-gold-dark);
    letter-spacing: 0.03em;
}

/* 폼 요소 스타일 */
.reserve_form_side {
    background: #FAFAFC;
    padding: 40px;
    border-radius: 4px;
    border: 1px solid rgba(24, 32, 51, 0.06);
}

.vip_form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form_row_dual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form_field_group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form_label {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-navy);
    letter-spacing: -0.02em;
}

.form_label .req {
    color: var(--color-red);
    margin-left: 2px;
}

.form_label .sub {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 6px;
}

.form_input,
.form_select,
.form_textarea {
    width: 100%;
    padding: 14px 18px;
    background: #FFFFFF;
    border: 1px solid rgba(24, 32, 51, 0.16);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 15.5px;
    color: var(--color-navy);
    transition: all 0.3s var(--ease-smooth);
    outline: none;
}

.form_input:focus,
.form_select:focus,
.form_textarea:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(202, 168, 118, 0.2);
    background: #FFFFFF;
}

.form_input::placeholder,
.form_textarea::placeholder {
    color: #A4ACB9;
    font-size: 14.5px;
}

/* 진료 과목 칩 버튼 */
.treatment_chip_group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.treat_chip {
    padding: 10px 18px;
    background: #FFFFFF;
    border: 1px solid rgba(24, 32, 51, 0.14);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 14.5px;
    font-weight: 600;
    color: var(--text-body);
    cursor: pointer;
    transition: all 0.25s var(--ease-smooth);
}

.treat_chip:hover {
    border-color: var(--color-gold);
    color: var(--color-gold-dark);
}

.treat_chip.active {
    background: var(--color-navy);
    border-color: var(--color-navy);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(24, 32, 51, 0.15);
}

/* 퀵 증상 태그 */
.quick_symptom_tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 6px;
}

.sym_tag {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-slate-blue);
    background: rgba(110, 121, 147, 0.1);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.sym_tag:hover {
    background: rgba(202, 168, 118, 0.2);
    color: var(--color-gold-dark);
}

.form_textarea {
    resize: vertical;
    min-height: 90px;
    line-height: 1.55;
}

/* 커스텀 개인정보 동의 체크박스 */
.privacy_agree_group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 6px;
}

.custom_checkbox_label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.custom_checkbox_label input[type="checkbox"] {
    display: none;
}

.custom_checkbox {
    width: 20px;
    height: 20px;
    border: 1.5px solid rgba(24, 32, 51, 0.3);
    border-radius: 4px;
    background: #FFFFFF;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    position: relative;
}

.custom_checkbox_label input[type="checkbox"]:checked + .custom_checkbox {
    background: var(--color-gold);
    border-color: var(--color-gold);
}

.custom_checkbox_label input[type="checkbox"]:checked + .custom_checkbox::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid #FFFFFF;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.agree_txt {
    font-size: 14.5px;
    color: var(--text-body);
}

/* 제출 버튼 */
.reserve_submit_btn {
    width: 100%;
    padding: 19px 24px;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
    color: #FFFFFF;
    border: 1px solid var(--color-navy);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.01em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 10px 24px rgba(24, 32, 51, 0.2);
    transition: all 0.35s var(--ease-smooth);
    margin-top: 8px;
}

.reserve_submit_btn:hover {
    background: linear-gradient(135deg, var(--color-gold-dark) 0%, var(--color-gold) 100%);
    border-color: var(--color-gold);
    color: #FFFFFF;
    box-shadow: 0 14px 30px rgba(202, 168, 118, 0.35);
    transform: translateY(-2px);
}

.reserve_submit_btn i {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.reserve_submit_btn:hover i {
    transform: translateX(4px);
}

/* ==========================================================================
   예약 완료 성공 모달 팝업
   ========================================================================== */
.reserve_modal_overlay {
    position: fixed;
    inset: 0;
    background: rgba(16, 20, 30, 0.75);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s var(--ease-smooth);
}

.reserve_modal_overlay.show {
    opacity: 1;
    visibility: visible;
}

.reserve_modal_box {
    background: #FFFFFF;
    border-radius: 6px;
    padding: 48px 40px;
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
    transform: translateY(24px) scale(0.95);
    transition: all 0.4s var(--ease-out-expo);
}

.reserve_modal_overlay.show .reserve_modal_box {
    transform: translateY(0) scale(1.0);
}

.modal_icon_gold {
    font-size: 64px;
    color: var(--color-gold);
    line-height: 1;
    margin-bottom: 20px;
}

.modal_title {
    font-family: var(--font-sans);
    font-size: 20px;
    font-weight: 800;
    color: var(--color-navy);
    letter-spacing: -0.03em;
    margin-bottom: 14px;
}

.modal_desc {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.6;
    letter-spacing: -0.015em;
    margin-bottom: 24px;
    word-break: keep-all;
}

.modal_summary_box {
    background: var(--bg-warm-light);
    border-radius: 4px;
    padding: 16px 20px;
    margin-bottom: 28px;
    text-align: left;
    font-size: 13.5px;
    color: var(--text-body);
    display: flex;
    flex-direction: column;
    gap: 6px;
    border: 1px solid rgba(24, 32, 51, 0.08);
}

.modal_confirm_btn {
    width: 100%;
    padding: 14px;
    background: var(--color-navy);
    color: #FFFFFF;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.25s ease;
}

.modal_confirm_btn:hover {
    background: var(--color-gold-dark);
}


/* ==========================================================================
   Section 10: Contact & Location Split Pin Interaction
   ========================================================================== */
.main_cont_wrap07 {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background-color: var(--bg-pure-white);
}

.main_cont07_pin {
    width: 100%;
    height: 100vh;
    display: flex;
    overflow: hidden;
    position: relative;
}

.main_cont07_map_wrap {
    width: 100%;
    height: 100%;
    position: relative;
    transition: width 0.75s var(--ease-out-expo);
    background-color: #E8E6DF;
}

.main_cont07_map_wrap.scrolled {
    width: 50%;
}

.map_embed_iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.main_cont07_map_title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-serif);
    font-size: clamp(48px, 5vw, 68px);
    letter-spacing: 0.18em;
    font-weight: 700;
    color: var(--text-white);
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
    pointer-events: none;
    transition: opacity 0.4s var(--ease-smooth);
}

.main_cont07_info_wrap {
    width: 50%;
    height: 100%;
    position: absolute;
    right: -50%;
    top: 0;
    background: var(--bg-warm-light);
    padding: 70px 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: right 0.75s var(--ease-out-expo);
    overflow-y: auto;
}

.main_cont07_info_wrap.scrolled {
    right: 0;
}

.info_block_group {
    margin-bottom: 28px;
}

.info_block_label {
    font-family: var(--font-serif);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-gold-dark);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.info_address_main {
    font-family: var(--font-sans);
    font-size: 19px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.info_address_sub {
    font-family: var(--font-sans);
    font-size: 14.5px;
    color: var(--text-body);
    line-height: 1.6;
    letter-spacing: -0.015em;
}

.timetable_row {
    display: flex;
    justify-content: space-between;
    padding: 7px 0;
    border-bottom: 1px solid rgba(24, 32, 51, 0.08);
    font-size: 14.5px;
    font-family: var(--font-sans);
    letter-spacing: -0.01em;
}

.timetable_row.closed {
    color: var(--color-red);
    font-weight: 600;
}

.contact_phone_big {
    font-family: var(--font-sans) !important;
    font-size: 38px;
    font-weight: 800;
    color: var(--color-navy);
    margin-top: 8px;
    display: block;
    letter-spacing: -0.02em;
}

/* ==========================================================================
   전역 숫자 고딕(Pretendard) 완벽 통일 규칙
   ========================================================================== */
.num,
.large_num,
.monolith_num,
.bna_num,
.counter,
.plus,
.step_number,
.contact_phone_big,
.stat_num,
.stat_count,
.card_top_tag,
.monolith_tag_en {
    font-family: var(--font-sans) !important;
    font-feature-settings: "tnum" 1, "cv05" 1;
}


/* ==========================================================================
   Section 10: Footer & Multi Quick Floating Bar
   ========================================================================== */
.footer {
    background-color: var(--bg-dark-pure);
    color: var(--text-white);
    padding: 80px 0 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.ft_inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 36px;
}

.ft_logo_title {
    font-family: var(--font-serif);
    font-size: 24px;
    letter-spacing: 0.12em;
    color: var(--color-gold);
    margin-bottom: 16px;
    font-weight: 700;
}

.ft_info_text {
    font-family: var(--font-sans);
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.8;
    letter-spacing: -0.015em;
}

.ft_legal_nav {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    padding-top: 10px;
}

.legal_link {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.72);
    letter-spacing: -0.015em;
    transition: color 0.25s var(--ease-smooth);
}

.legal_link.bold {
    color: #FFFFFF;
    font-weight: 700;
}

.legal_link:hover {
    color: var(--color-gold);
    text-decoration: underline;
}

.legal_divider {
    color: rgba(255, 255, 255, 0.22);
    font-size: 12px;
}

/* 플로팅 퀵메뉴 */
.quick_floating_bar {
    position: fixed;
    right: 28px;
    bottom: 28px;
    z-index: 990;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.quick_menu_items {
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all 0.35s var(--ease-smooth);
}

.quick_floating_bar.open .quick_menu_items {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.quick_item_btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--bg-pure-white);
    color: var(--color-navy);
    border-radius: 30px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: -0.015em;
    transition: all 0.25s var(--ease-smooth);
}

.quick_item_btn:hover {
    background: var(--color-navy);
    color: var(--text-white);
    transform: scale(1.04);
}

.quick_main_toggle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-navy);
    color: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.35s var(--ease-smooth);
}

.quick_main_toggle:hover {
    transform: rotate(90deg) scale(1.05);
    background: var(--color-gold);
    color: var(--color-navy);
}


/* ==========================================================================
   반응형 미디어 쿼리 (Responsive Media Queries - Mobile Perfection)
   ========================================================================== */
@media (max-width: 1280px) {
    :root {
        --container-padding: 24px;
        --section-py: 100px;
    }

    .header_nav .nav_menu_list {
        gap: 18px;
    }

    .nav_item a {
        font-size: 14px;
    }

    .magazine_layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 960px) {
    :root {
        --section-py: 80px;
        --container-padding: 20px;
    }

    /* 헤더 간소화 */
    .header_nav,
    .header_reserve_btn,
    .lang_switch {
        display: none !important;
    }

    /* Hero Intro 모바일 */
    .main_intro_swiper_wrap {
        width: 90vw;
        max-width: 440px;
        height: 270px;
    }

    /* Section 2 카운터 */
    .main_top_slider_counter_wrap {
        gap: 20px;
        flex-wrap: wrap;
    }

    .main_top_slider_counter {
        min-width: 140px;
    }

    /* Section 4 모놀리스 기둥 1열 세로 전환 */
    .philosophy_monolith_grid {
        flex-direction: column !important;
        min-height: auto !important;
    }

    .monolith_column {
        border-right: none !important;
        border-bottom: 1px solid rgba(24, 32, 51, 0.08) !important;
        padding: 44px 24px !important;
        min-height: 280px !important;
    }

    .monolith_column:last-child {
        border-bottom: none !important;
    }

    .monolith_watermark_icon {
        font-size: 160px !important;
        right: -10px !important;
        bottom: -15px !important;
    }

    /* Section 8 유튜브 1열 */
    .youtube_grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    /* Section 9 VIP 폼메일 모바일 1열 전환 */
    .reservation_layout_box {
        grid-template-columns: 1fr !important;
        padding: 40px 24px !important;
        gap: 36px !important;
    }

    .reserve_info_side {
        width: 100% !important;
    }

    .reserve_form_side {
        width: 100% !important;
        padding: 32px 20px !important;
    }

    .form_row_dual {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    /* Section 10 지도 스플릿 모바일 1열 전환 */
    .main_cont07_pin {
        flex-direction: column !important;
        height: auto !important;
        min-height: auto !important;
        position: relative !important;
    }

    .main_cont07_map_wrap,
    .main_cont07_map_wrap.scrolled {
        position: relative !important;
        width: 100% !important;
        height: 320px !important;
        left: 0 !important;
    }

    .main_cont07_info_wrap,
    .main_cont07_info_wrap.scrolled {
        position: relative !important;
        width: 100% !important;
        right: 0 !important;
        padding: 40px 24px !important;
    }

    /* 푸터 모바일 */
    .footer_top_grid {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
    }
}

@media (max-width: 768px) {
    /* 전역 가로 스크롤 원천 차단 */
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100vw !important;
    }

    /* 모바일에서 데스크톱용 마우스 스크롤 지시자 숨김 */
    .intro_scroll {
        display: none !important;
    }

    /* Section 1 타이포 */
    .main_intro_bigtext p.txt01 {
        font-size: clamp(38px, 11vw, 56px) !important;
        letter-spacing: 0.08em !important;
    }

    /* Section 3 스티키 3D 스택 카드 모바일 1열 수직 카드 전환 */
    .specialty_stack_wrap {
        gap: 24px !important;
        margin-top: 32px !important;
        padding-bottom: 30px !important;
    }

    .specialty_stack_card {
        grid-template-columns: 1fr !important;
        position: relative !important;
        top: 0 !important;
        min-height: auto !important;
        transform: none !important;
        filter: none !important;
        box-shadow: 0 12px 36px rgba(16, 20, 30, 0.08) !important;
    }

    .stack_card_left {
        padding: 36px 20px !important;
    }

    .stack_card_right {
        height: 240px !important;
        border-top: 1px solid rgba(24, 32, 51, 0.06) !important;
    }

    .stack_card_title {
        font-size: 22px !important;
        margin-bottom: 12px !important;
    }

    .stack_card_statement {
        font-size: 15px !important;
        margin-bottom: 14px !important;
    }

    /* Section 4 모놀리스 모바일 폰트 */
    .monolith_num {
        font-size: 42px !important;
    }

    .monolith_title_ko {
        font-size: 24px !important;
        margin-bottom: 12px !important;
    }

    .monolith_statement {
        font-size: 15px !important;
    }

    /* Section 7 Before & After 커튼 슬라이더 모바일 */
    .bna_curtain_lens {
        height: 360px !important;
        border-radius: 6px !important;
    }

    .bna_tab_chips_wrap {
        gap: 8px !important;
        margin-top: 24px !important;
        margin-bottom: 24px !important;
    }

    .bna_chip_btn {
        padding: 8px 14px !important;
        font-size: 13px !important;
    }

    .bna_case_detail_card {
        padding: 24px 18px !important;
    }

    .detail_title {
        font-size: 17px !important;
    }

    .quote_text {
        font-size: 14px !important;
    }

    /* Section 9 폼메일 모바일 세부 */
    .reservation_layout_box {
        padding: 32px 18px !important;
    }

    .reserve_form_side {
        padding: 24px 16px !important;
    }

    .treatment_chip_group {
        gap: 8px !important;
    }

    .treat_chip {
        padding: 9px 12px !important;
        font-size: 13px !important;
    }

    .form_row_dual {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }

    /* 플로팅 버튼 */
    .quick_floating_bar {
        right: 16px !important;
        bottom: 20px !important;
    }

    .quick_main_toggle {
        width: 48px !important;
        height: 48px !important;
        font-size: 20px !important;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 16px;
        --section-py: 64px;
    }

    .section_main_title {
        font-size: 26px !important;
    }

    .bna_title {
        font-size: 25px !important;
    }

    .treatment_chip_group {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
    }

    .treat_chip {
        width: 100% !important;
        text-align: center !important;
    }

    .main_top_slider_counter_wrap {
        flex-direction: column !important;
        gap: 16px !important;
    }
}