/**
 * ============================================================
 *  레이아웃 패턴 모듈 20종
 * ============================================================
 *  전환 효과와 독립적. .mv-bg, .mv-overlay, .mv-texbox 등
 *  엔진 유틸 클래스 위에 배치 구조만 정의.
 *
 *  목록 (출처: main_content 1~18 + 신규):
 *
 *  ── 텍스트 중심 ──
 *   L01. center-text       — 중앙 정렬 텍스트 (가장 기본)
 *   L02. left-text         — 좌측 정렬 텍스트 (9~17 패턴)
 *   L03. right-text        — 우측 정렬 텍스트
 *   L04. bottom-bar        — 하단 바 + 중앙 텍스트
 *   L05. split-text        — 좌우 50/50 텍스트 (18번)
 *
 *  ── 이미지/미디어 ──
 *   L06. floating-images   — 3장 플로팅 이미지 (15번)
 *   L07. device-phone      — 모바일 폰 목업 (17번)
 *   L08. device-tablet     — 태블릿 목업 (17-V2)
 *   L09. device-laptop     — 노트북 목업 (17-V3)
 *   L10. device-monitor    — 모니터 목업 (17-V4)
 *   L11. device-triple     — 트리플 디바이스 (17-V6)
 *   L12. device-phone-laptop — 폰+노트북 (17-V5)
 *
 *  ── 패널/그리드 ──
 *   L13. color-box         — 단색 포인트 박스 (16번)
 *   L14. quad-grid         — 4분할 글래스 그리드 (18-V2)
 *   L15. diagonal-split    — 대각선 분할 (18-V3)
 *   L16. stripe-h          — 수평 스트라이프 (18-V4)
 *   L17. circle-rings      — 동심원 + 중앙 텍스트 (18-V5)
 *
 *  ── 특수 ──
 *   L18. fullscreen-video   — 전체화면 비디오 배경
 *   L19. parallax-layers    — 다층 패럴랙스
 *   L20. card-overlay       — 카드 오버레이 (우측 정보 카드)
 * ============================================================
 */


/* ═══════════════════════════════════════════
   L01. CENTER-TEXT — 중앙 정렬 텍스트
   ═══════════════════════════════════════════ */
[data-mv-layout="center-text"] .mv-texbox {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 80%;
    max-width: 900px;
}

[data-mv-layout="center-text"] .mv-texbox h1 {
    font-size: var(--mv-t1, 48px);
    font-weight: var(--mv-t1-w, 700);
    color: var(--mv-t1-c, #fff);
    line-height: 1.1;
    letter-spacing: var(--mv-t1-ls, 2px);
}

[data-mv-layout="center-text"] .mv-texbox h2 {
    font-size: var(--mv-t2, 20px);
    font-weight: var(--mv-t2-w, 300);
    color: var(--mv-t2-c, rgba(255,255,255,0.7));
    line-height: 1.6;
    margin-top: var(--mv-t2-mt, 16px);
}

[data-mv-layout="center-text"] .mv-texbox .mv-btn {
    display: inline-block;
    margin-top: 28px;
    padding: 12px 32px;
    font-size: 14px;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.4);
    text-decoration: none;
    transition: background 0.3s;
}

[data-mv-layout="center-text"] .mv-texbox .mv-btn:hover {
    background: rgba(255,255,255,0.1);
}


/* ═══════════════════════════════════════════
   L02. LEFT-TEXT — 좌측 정렬 텍스트
   출처: main_content_9~17 공통
   ═══════════════════════════════════════════ */
[data-mv-layout="left-text"] .mv-texbox {
    top: var(--mv-tex-top, 30%);
    left: var(--mv-tex-left, 5%);
    max-width: 45%;
}

[data-mv-layout="left-text"] .mv-texbox h1 {
    font-size: var(--mv-t1, 90px);
    font-weight: var(--mv-t1-w, 600);
    line-height: 1;
    color: var(--mv-t1-c, rgba(255,255,255,0.3));
    font-family: var(--mv-font-en, "Montserrat", sans-serif);
}

[data-mv-layout="left-text"] .mv-texbox h2 {
    font-size: var(--mv-t2, 14px);
    font-weight: var(--mv-t2-w, 300);
    line-height: 1.6;
    color: var(--mv-t2-c, #fff);
    margin-top: var(--mv-t2-mt, 20px);
    font-family: var(--mv-font-ko, "Noto Sans KR", sans-serif);
}

[data-mv-layout="left-text"] .mv-texbox .mv-btn {
    display: inline-block;
    margin-top: 30px;
    padding: 10px 24px;
    font-size: 14px;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.5);
    text-decoration: none;
    transition: background 0.3s;
}

[data-mv-layout="left-text"] .mv-texbox .mv-btn:hover {
    background: rgba(255,255,255,0.15);
}

@media (max-width: 992px) {
    [data-mv-layout="left-text"] .mv-texbox { max-width: 60%; }
}
@media (max-width: 768px) {
    [data-mv-layout="left-text"] .mv-texbox { max-width: 75%; top: 15%; left: 4%; }
}


/* ═══════════════════════════════════════════
   L03. RIGHT-TEXT — 우측 정렬 텍스트
   ═══════════════════════════════════════════ */
[data-mv-layout="right-text"] .mv-texbox {
    top: 30%;
    right: 5%;
    left: auto;
    max-width: 45%;
    text-align: right;
}

[data-mv-layout="right-text"] .mv-texbox h1 {
    font-size: var(--mv-t1, 72px);
    font-weight: 600;
    line-height: 1;
    color: var(--mv-t1-c, rgba(255,255,255,0.3));
}

[data-mv-layout="right-text"] .mv-texbox h2 {
    font-size: var(--mv-t2, 15px);
    font-weight: 300;
    line-height: 1.6;
    color: #fff;
    margin-top: 16px;
}

@media (max-width: 768px) {
    [data-mv-layout="right-text"] .mv-texbox { max-width: 70%; top: 15%; }
}


/* ═══════════════════════════════════════════
   L04. BOTTOM-BAR — 하단 바 + 중앙 텍스트
   출처: main_content_18 하단 화살표 바
   ═══════════════════════════════════════════ */
[data-mv-layout="bottom-bar"] .mv-texbox {
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 80%;
}

[data-mv-layout="bottom-bar"] .mv-texbox h1 {
    font-size: var(--mv-t1, 42px);
    font-weight: 700;
    color: #fff;
}

[data-mv-layout="bottom-bar"] .mv-texbox h2 {
    font-size: var(--mv-t2, 18px);
    font-weight: 300;
    color: rgba(255,255,255,0.6);
    margin-top: 12px;
}

[data-mv-layout="bottom-bar"] .mv-bottom-bar {
    position: absolute;
    z-index: 90;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,0.2);
}

[data-mv-layout="bottom-bar"] .mv-bottom-bar button {
    width: 60px;
    height: 100%;
    border: none;
    border-left: 1px solid rgba(255,255,255,0.2);
    border-right: 1px solid rgba(255,255,255,0.2);
    background: transparent;
    cursor: pointer;
    transition: background 0.3s;
    position: relative;
}

[data-mv-layout="bottom-bar"] .mv-bottom-bar button:hover {
    background: rgba(255,255,255,0.1);
}


/* ═══════════════════════════════════════════
   L05. SPLIT-TEXT — 좌우 50/50 분할 텍스트
   출처: main_content_18
   ═══════════════════════════════════════════ */
[data-mv-layout="split-text"] .mv-panels {
    position: absolute;
    z-index: 20;
    inset: 0;
    display: flex;
}

[data-mv-layout="split-text"] .mv-panel {
    width: 50%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px;
    background: var(--mv-panel-bg, rgba(0,0,0,0.25));
}

[data-mv-layout="split-text"] .mv-panel h2 {
    font-size: 22px;
    font-weight: 500;
    color: #fff;
    line-height: 1.4;
}

[data-mv-layout="split-text"] .mv-panel p {
    font-size: 15px;
    font-weight: 300;
    color: rgba(255,255,255,0.7);
    margin-top: 12px;
    line-height: 1.6;
}

[data-mv-layout="split-text"] .mv-texbox {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 100%;
}

[data-mv-layout="split-text"] .mv-texbox h1 {
    font-size: var(--mv-t1, 42px);
    font-weight: 700;
    color: #fff;
}

@media (max-width: 768px) {
    [data-mv-layout="split-text"] .mv-panels { flex-direction: column; }
    [data-mv-layout="split-text"] .mv-panel { width: 100%; height: 50%; }
}


/* ═══════════════════════════════════════════
   L06. FLOATING-IMAGES — 3장 플로팅 이미지
   출처: main_content_15
   ═══════════════════════════════════════════ */
[data-mv-layout="floating-images"] .mv-float-group {
    position: absolute;
    z-index: 40;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 420px;
    height: 380px;
}

[data-mv-layout="floating-images"] .mv-float-img {
    position: absolute;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

[data-mv-layout="floating-images"] .mv-float-img:nth-child(1) {
    width: 240px; height: 160px; top: 0; left: 0; z-index: 1;
}
[data-mv-layout="floating-images"] .mv-float-img:nth-child(2) {
    width: 200px; height: 280px; top: 30px; right: 0; z-index: 2;
}
[data-mv-layout="floating-images"] .mv-float-img:nth-child(3) {
    width: 220px; height: 150px; bottom: 0; left: 40px; z-index: 3;
}

[data-mv-layout="floating-images"] .mv-float-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 992px) {
    [data-mv-layout="floating-images"] .mv-float-group {
        width: 280px; height: 260px;
    }
    [data-mv-layout="floating-images"] .mv-float-img:nth-child(1) { width: 160px; height: 110px; }
    [data-mv-layout="floating-images"] .mv-float-img:nth-child(2) { width: 140px; height: 190px; }
    [data-mv-layout="floating-images"] .mv-float-img:nth-child(3) { width: 150px; height: 100px; }
}

@media (max-width: 768px) {
    [data-mv-layout="floating-images"] .mv-float-group { display: none; }
}


/* ═══════════════════════════════════════════
   L07~L12. 디바이스 목업
   공통 CSS + 개별 디바이스 프레임
   ═══════════════════════════════════════════ */

/* 디바이스 공통 컨테이너 */
.mv-devices {
    position: absolute;
    z-index: 50;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: flex-end;
    gap: 20px;
}

/* L07. 폰 프레임 */
.mv-dev-phone {
    width: 130px;
    height: 260px;
    background: #1a1a1a;
    border-radius: 22px;
    padding: 24px 8px 28px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    position: relative;
}
.mv-dev-phone::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    border-radius: 2px;
    background: #333;
}
.mv-dev-phone .mv-dev-screen {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    background: #000;
}

/* L08. 태블릿 프레임 */
.mv-dev-tablet {
    width: 280px;
    height: 380px;
    background: #1a1a1a;
    border-radius: 16px;
    padding: 18px 14px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.5);
    position: relative;
}
.mv-dev-tablet::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #333;
}
.mv-dev-tablet .mv-dev-screen {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    background: #000;
}

/* L09. 노트북 프레임 */
.mv-dev-laptop-lid {
    width: 380px;
    height: 254px;
    background: #1a1a1a;
    border-radius: 10px 10px 0 0;
    padding: 14px 16px 8px;
    position: relative;
}
.mv-dev-laptop-lid::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #444;
}
.mv-dev-laptop-lid .mv-dev-screen {
    width: 100%;
    height: 100%;
    border-radius: 3px;
    overflow: hidden;
    position: relative;
    background: #000;
}
.mv-dev-laptop-hinge {
    width: 400px;
    height: 6px;
    background: linear-gradient(to bottom, #555, #333);
    border-radius: 0 0 2px 2px;
    margin-left: -10px;
}
.mv-dev-laptop-base {
    width: 430px;
    height: 12px;
    background: linear-gradient(to bottom, #444, #333);
    border-radius: 0 0 6px 6px;
    margin-left: -25px;
}

/* L10. 모니터 프레임 */
.mv-dev-monitor-body {
    width: 420px;
    height: 270px;
    background: #1a1a1a;
    border-radius: 8px;
    padding: 10px 10px 22px;
    position: relative;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.mv-dev-monitor-body::after {
    content: '';
    position: absolute;
    bottom: 7px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #333;
}
.mv-dev-monitor-body .mv-dev-screen {
    width: 100%;
    height: 100%;
    border-radius: 3px;
    overflow: hidden;
    position: relative;
    background: #000;
}
.mv-dev-monitor-neck {
    width: 50px;
    height: 28px;
    background: #333;
    margin: 0 auto;
}
.mv-dev-monitor-stand {
    width: 140px;
    height: 6px;
    background: #444;
    border-radius: 0 0 4px 4px;
    margin: 0 auto;
}

/* 디바이스 내부 슬라이드 */
.mv-dev-screen > div {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 2s ease;
    background-size: cover;
    background-position: center;
}
.mv-dev-screen > div.active {
    opacity: 1;
}

/* 디바이스 라벨 */
.mv-dev-label {
    text-align: center;
    margin-top: 8px;
    font-size: 10px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.25);
    text-transform: uppercase;
}

/* 디바이스 반응형 축소 */
@media (max-width: 1199px) {
    .mv-dev-phone { width: 100px; height: 200px; padding: 18px 6px 22px; }
    .mv-dev-tablet { width: 220px; height: 300px; }
    .mv-dev-laptop-lid { width: 300px; height: 200px; }
    .mv-dev-laptop-hinge { width: 315px; }
    .mv-dev-laptop-base { width: 330px; margin-left: -15px; }
    .mv-dev-monitor-body { width: 330px; height: 212px; }
}
@media (max-width: 991px) {
    .mv-devices { gap: 12px; }
    .mv-dev-phone { width: 80px; height: 160px; border-radius: 16px; padding: 14px 5px 18px; }
    .mv-dev-tablet { width: 170px; height: 230px; padding: 12px 10px; }
    .mv-dev-laptop-lid { width: 230px; height: 155px; padding: 10px 12px 6px; }
    .mv-dev-laptop-hinge { width: 242px; }
    .mv-dev-laptop-base { width: 256px; margin-left: -13px; }
    .mv-dev-monitor-body { width: 250px; height: 162px; }
}
@media (max-width: 767px) {
    .mv-devices { gap: 8px; right: 3%; }
    .mv-dev-phone { width: 60px; height: 120px; border-radius: 14px; padding: 12px 4px 14px; }
    .mv-dev-tablet { width: 130px; height: 180px; border-radius: 12px; padding: 10px 8px; }
    .mv-dev-laptop-lid { width: 170px; height: 115px; }
    .mv-dev-laptop-hinge { width: 180px; height: 4px; }
    .mv-dev-laptop-base { width: 190px; height: 8px; }
    .mv-dev-monitor-body { width: 180px; height: 116px; }
    .mv-dev-monitor-neck { width: 35px; height: 18px; }
    .mv-dev-monitor-stand { width: 90px; }
}


/* ═══════════════════════════════════════════
   L13. COLOR-BOX — 단색 포인트 박스
   출처: main_content_16
   ═══════════════════════════════════════════ */
[data-mv-layout="color-box"] .mv-colorbox {
    position: absolute;
    z-index: 40;
    background: var(--mv-box-bg, #2a5caa);
    padding: 30px;
    max-width: 380px;
}

[data-mv-layout="color-box"] .mv-colorbox h3 {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
}

[data-mv-layout="color-box"] .mv-colorbox p {
    font-size: 14px;
    font-weight: 300;
    color: rgba(255,255,255,0.8);
    margin-top: 12px;
    line-height: 1.6;
}

/* 위치 변형 */
[data-mv-layout="color-box"] .mv-colorbox.pos-top-right { top: 10%; right: 5%; }
[data-mv-layout="color-box"] .mv-colorbox.pos-bottom-left { bottom: 10%; left: 5%; }
[data-mv-layout="color-box"] .mv-colorbox.pos-center-right { top: 50%; right: 5%; transform: translateY(-50%); }


/* ═══════════════════════════════════════════
   L14. QUAD-GRID — 4분할 글래스 그리드
   출처: main_content_18 V2
   ═══════════════════════════════════════════ */
@keyframes mv-l-gridIn {
    0% { transform: scale(0.85); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

[data-mv-layout="quad-grid"] .mv-grid {
    position: absolute;
    z-index: 20;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 1100px;
    height: 60%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 3px;
}

[data-mv-layout="quad-grid"] .mv-grid-cell {
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.05);
    opacity: 0;
}

[data-mv-slide].active [data-mv-layout="quad-grid"] .mv-grid-cell,
[data-mv-layout="quad-grid"] [data-mv-slide].active .mv-grid-cell {
    animation: mv-l-gridIn 0.5s ease both;
}
[data-mv-layout="quad-grid"] [data-mv-slide].active .mv-grid-cell:nth-child(1) { animation-delay: 1s; }
[data-mv-layout="quad-grid"] [data-mv-slide].active .mv-grid-cell:nth-child(2) { animation-delay: 1.2s; }
[data-mv-layout="quad-grid"] [data-mv-slide].active .mv-grid-cell:nth-child(3) { animation-delay: 1.4s; }
[data-mv-layout="quad-grid"] [data-mv-slide].active .mv-grid-cell:nth-child(4) { animation-delay: 1.6s; }


/* ═══════════════════════════════════════════
   L15. DIAGONAL-SPLIT — 대각선 분할
   출처: main_content_18 V3
   ═══════════════════════════════════════════ */
@keyframes mv-l-diagL {
    0%   { clip-path: polygon(0 0, 0 0, 0 100%, 0 100%); }
    100% { clip-path: polygon(0 0, 55% 0, 45% 100%, 0 100%); }
}
@keyframes mv-l-diagR {
    0%   { clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%); }
    100% { clip-path: polygon(55% 0, 100% 0, 100% 100%, 45% 100%); }
}

[data-mv-layout="diagonal-split"] .mv-diag-left {
    position: absolute;
    inset: 0;
    z-index: 15;
    background: rgba(20,23,31,0.7);
    clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
}

[data-mv-layout="diagonal-split"] .mv-diag-right {
    position: absolute;
    inset: 0;
    z-index: 15;
    background: rgba(20,23,31,0.5);
    clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%);
}

[data-mv-layout="diagonal-split"] [data-mv-slide].active .mv-diag-left {
    animation: mv-l-diagL 0.8s ease 0.5s both;
}
[data-mv-layout="diagonal-split"] [data-mv-slide].active .mv-diag-right {
    animation: mv-l-diagR 0.8s ease 0.8s both;
}
[data-mv-layout="diagonal-split"] [data-mv-slide]:not(.active) .mv-diag-left,
[data-mv-layout="diagonal-split"] [data-mv-slide]:not(.active) .mv-diag-right {
    animation: none;
}


/* ═══════════════════════════════════════════
   L16. STRIPE-H — 수평 스트라이프
   출처: main_content_18 V4
   ═══════════════════════════════════════════ */
@keyframes mv-l-stripe { 0% { transform: scaleX(0); } 100% { transform: scaleX(1); } }

[data-mv-layout="stripe-h"] .mv-stripes {
    position: absolute;
    inset: 0;
    z-index: 15;
    display: flex;
    flex-direction: column;
}

[data-mv-layout="stripe-h"] .mv-stripe {
    flex: 1;
    background: rgba(0,0,0,0.2);
    transform: scaleX(0);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
[data-mv-layout="stripe-h"] .mv-stripe:nth-child(odd) { transform-origin: left; }
[data-mv-layout="stripe-h"] .mv-stripe:nth-child(even) { transform-origin: right; }

[data-mv-layout="stripe-h"] [data-mv-slide].active .mv-stripe:nth-child(1) { animation: mv-l-stripe 0.6s ease 0.5s both; }
[data-mv-layout="stripe-h"] [data-mv-slide].active .mv-stripe:nth-child(2) { animation: mv-l-stripe 0.6s ease 0.7s both; }
[data-mv-layout="stripe-h"] [data-mv-slide].active .mv-stripe:nth-child(3) { animation: mv-l-stripe 0.6s ease 0.9s both; }
[data-mv-layout="stripe-h"] [data-mv-slide]:not(.active) .mv-stripe { animation: none; }


/* ═══════════════════════════════════════════
   L17. CIRCLE-RINGS — 동심원
   출처: main_content_18 V5
   ═══════════════════════════════════════════ */
@keyframes mv-l-ring {
    0% { transform: translate(-50%,-50%) scale(0); opacity: 0.5; }
    100% { transform: translate(-50%,-50%) scale(1); opacity: 0; }
}

[data-mv-layout="circle-rings"] .mv-rings {
    position: absolute;
    z-index: 15;
    top: 50%;
    left: 50%;
    pointer-events: none;
}

[data-mv-layout="circle-rings"] .mv-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%) scale(0);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    opacity: 0;
}

[data-mv-layout="circle-rings"] .mv-ring:nth-child(1) { width: 300px; height: 300px; }
[data-mv-layout="circle-rings"] .mv-ring:nth-child(2) { width: 500px; height: 500px; }
[data-mv-layout="circle-rings"] .mv-ring:nth-child(3) { width: 700px; height: 700px; }

[data-mv-layout="circle-rings"] [data-mv-slide].active .mv-ring:nth-child(1) { animation: mv-l-ring 1.5s ease 0.2s both; }
[data-mv-layout="circle-rings"] [data-mv-slide].active .mv-ring:nth-child(2) { animation: mv-l-ring 1.8s ease 0.4s both; }
[data-mv-layout="circle-rings"] [data-mv-slide].active .mv-ring:nth-child(3) { animation: mv-l-ring 2s ease 0.6s both; }
[data-mv-layout="circle-rings"] [data-mv-slide]:not(.active) .mv-ring { animation: none; }


/* ═══════════════════════════════════════════
   L18. FULLSCREEN-VIDEO — 전체화면 비디오 배경
   ═══════════════════════════════════════════ */
[data-mv-layout="fullscreen-video"] .mv-video-wrap {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

[data-mv-layout="fullscreen-video"] .mv-video-wrap video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
}


/* ═══════════════════════════════════════════
   L19. PARALLAX-LAYERS — 다층 패럴랙스
   ═══════════════════════════════════════════ */
[data-mv-layout="parallax-layers"] .mv-parallax-layer {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    will-change: transform;
}

[data-mv-layout="parallax-layers"] .mv-parallax-layer.far { transform: scale(1.1); }
[data-mv-layout="parallax-layers"] .mv-parallax-layer.mid { transform: scale(1.05); }


/* ═══════════════════════════════════════════
   L20. CARD-OVERLAY — 우측 정보 카드
   ═══════════════════════════════════════════ */
[data-mv-layout="card-overlay"] .mv-card {
    position: absolute;
    z-index: 40;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 380px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 40px 32px;
    color: #fff;
}

[data-mv-layout="card-overlay"] .mv-card h2 {
    font-size: 24px;
    font-weight: 600;
}

[data-mv-layout="card-overlay"] .mv-card p {
    font-size: 14px;
    font-weight: 300;
    line-height: 1.7;
    color: rgba(255,255,255,0.7);
    margin-top: 14px;
}

[data-mv-layout="card-overlay"] .mv-card .mv-btn {
    display: inline-block;
    margin-top: 24px;
    padding: 10px 24px;
    font-size: 14px;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.3s;
}

[data-mv-layout="card-overlay"] .mv-card .mv-btn:hover {
    background: rgba(255,255,255,0.1);
}

@media (max-width: 992px) {
    [data-mv-layout="card-overlay"] .mv-card { width: 300px; padding: 28px 24px; }
}
@media (max-width: 768px) {
    [data-mv-layout="card-overlay"] .mv-card { width: 85%; right: auto; left: 50%; transform: translate(-50%, -50%); }
}