/* ===================================
   CSS Variables - Dark Theme
   =================================== */
:root {
    /* Primary Brand Colors */
    --color-primary: #EC2020;
    --color-primary-dark: #cc0000;
    --color-primary-light: #ff3333;
    --color-primary-glow: rgba(236, 32, 32, 0.3);
    
    /* Secondary Colors */
    --color-secondary-dark: #1D2120;
    --color-secondary-gray: #51565A;
    
    /* Neutral Colors */
    --color-neutral-light: #DDDFE2;
    --color-neutral-medium: #ECECEC;
    --color-neutral-soft: #F5F5F5;
    
    /* Text Colors */
    --color-text-primary: #1C1D1A;
    --color-text-secondary: #51565A;
    --color-text-light: #777777;
    
    /* Background Colors */
    --color-bg-primary: #E5E9E2;
    --color-bg-secondary: #777777;
    --color-bg-dark: #1D2120;
    
    /* Legacy Colors (for compatibility) */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-red: #EC2020;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-korean: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Inter', sans-serif;
    
    /* Font Sizes - Based on Design Guide */
    --font-display-1: 125px;
    --font-heading-1: 96px;
    --font-heading-2: 48px;
    --font-heading-3: 32px;
    --font-heading-4: 24px;
    --font-heading-4-uppercase: 24px;
    --font-paragraph-1: 28px;
    --font-paragraph-2: 16px;
    --font-button: 20px;
    --font-hyperlink: 20px;
    --font-mainmenu: 20px;
    --font-submenu: 16px;
    
    /* Font Weights */
    --font-weight-regular: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Icon Sizes - Based on Design Guide */
    --icon-size-xs: 9px;
    --icon-size-sm: 18px;
    --icon-size-md: 20px;
    --icon-size-lg: 24px;
    --icon-size-xl: 32px;
    --icon-size-2xl: 40px;
    --icon-size-3xl: 54px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-navbar: 1000;
    --z-mobile-menu: 999;
    --z-scroll-top: 998;
    --z-overlay: 500;
    
    /* Responsive Breakpoints */
    --breakpoint-mobile: 767px;
    --breakpoint-tablet: 1023px;
    --breakpoint-laptop: 1439px;
    --breakpoint-desktop: 1919px;
    
    /* Container Max Widths - Updated per Design Guide */
    --container-mobile: 390px;
    --container-tablet: 768px;
    --container-laptop: 1440px;
    --container-desktop: 1600px;
    --container-desktop-hd: 1600px;
    
    /* Content Margins - Updated per Design Guide */
    --margin-mobile: 20px;
    --margin-tablet: 40px;
    --margin-laptop: 120px;
    --margin-desktop: 160px;
    --margin-desktop-hd: 160px;
    
    /* Drop Shadow System */
    --shadow-primary: 0 8px 8px rgba(236, 32, 32, 0.15);
    --shadow-secondary: 0 4px 8px rgba(29, 33, 32, 0.15);
    --shadow-neutral: 0 2px 4px rgba(81, 86, 90, 0.13);
    --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ===================================
   Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-korean);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===================================
   Typography - Based on Design Guide
   =================================== */

/* Display Typography */
.display-1,
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, var(--font-display-1));
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

h1 { 
    font-size: clamp(2rem, 5vw, var(--font-heading-1)); 
}

h2 { 
    font-size: clamp(1.75rem, 4vw, var(--font-heading-2)); 
}

h3 { 
    font-size: clamp(1.5rem, 3vw, var(--font-heading-3)); 
}

h4 { 
    font-size: clamp(1.25rem, 2vw, var(--font-heading-4)); 
}

h4.uppercase {
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Paragraphs */
p {
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
}

.paragraph-1,
.text-large {
    font-family: var(--font-korean);
    font-size: clamp(1.125rem, 2vw, var(--font-paragraph-1));
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
}

.paragraph-2,
.text-medium {
    font-family: var(--font-korean);
    font-size: var(--font-paragraph-2);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
}

/* Links */
a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: var(--transition-medium);
}

a:hover {
    color: var(--color-primary);
}

.hyperlink {
    font-family: var(--font-primary);
    font-size: var(--font-hyperlink);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-medium);
}

.hyperlink:hover {
    text-decoration: underline;
}

/* Lists */
ul {
    list-style: none;
}

/* Menu Typography */
.mainmenu {
    font-family: var(--font-primary);
    font-size: var(--font-mainmenu);
    font-weight: var(--font-weight-bold);
}

.submenu {
    font-family: var(--font-primary);
    font-size: var(--font-submenu);
    font-weight: var(--font-weight-semibold);
}

/* ===================================
   Icon System - Based on Design Guide
   =================================== */

/* Icon Size Classes */
.icon-xs {
    font-size: var(--icon-size-xs);
    width: var(--icon-size-xs);
    height: var(--icon-size-xs);
}

.icon-sm {
    font-size: var(--icon-size-sm);
    width: var(--icon-size-sm);
    height: var(--icon-size-sm);
}

.icon-md {
    font-size: var(--icon-size-md);
    width: var(--icon-size-md);
    height: var(--icon-size-md);
}

.icon-lg {
    font-size: var(--icon-size-lg);
    width: var(--icon-size-lg);
    height: var(--icon-size-lg);
}

.icon-xl {
    font-size: var(--icon-size-xl);
    width: var(--icon-size-xl);
    height: var(--icon-size-xl);
}

.icon-2xl {
    font-size: var(--icon-size-2xl);
    width: var(--icon-size-2xl);
    height: var(--icon-size-2xl);
}

.icon-3xl {
    font-size: var(--icon-size-3xl);
    width: var(--icon-size-3xl);
    height: var(--icon-size-3xl);
}

/* Icon Colors */
.icon-primary {
    color: var(--color-primary);
}

.icon-secondary {
    color: var(--color-secondary-dark);
}

.icon-white {
    color: var(--color-white);
}

.icon-gray {
    color: var(--color-text-secondary);
}

/* Icon Container */
.icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.icon-container:hover {
    transform: scale(1.1);
}

/* Font Awesome Sharp Regular Style */
.fa-sharp {
    font-family: "Font Awesome 6 Sharp";
    font-weight: 400;
}

/* ===================================
   Container & Layout - Based on Design Guide
   =================================== */

/* Desktop: 1600px (default) */
.container {
    max-width: var(--container-desktop);
    margin: 0 auto;
    padding: 0 var(--margin-desktop);
    width: 100%;
}

section {
    padding: var(--spacing-xxl) 0;
}

/* Responsive Containers */

/* Laptop: 1440px */
@media (max-width: 1600px) {
    .container {
        max-width: var(--container-laptop);
        padding: 0 var(--margin-laptop);
    }
}

/* Tablet: 768px */
@media (max-width: 1440px) {
    .container {
        max-width: var(--container-tablet);
        padding: 0 var(--margin-tablet);
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
}

/* Mobile: 390px */
@media (max-width: 768px) {
    .container {
        max-width: var(--container-mobile);
        padding: 0 var(--margin-mobile);
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    z-index: var(--z-navbar);
    transition: var(--transition-medium);
}

.navbar.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
}

.nav-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 1.5rem 3rem;
    display: grid;
    grid-template-columns: 200px 1fr 80px;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--color-white);
    display: flex;
    align-items: center;
    transition: var(--transition-medium);
}

.logo-d {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.5rem;
    margin-right: 2px;
    transition: var(--transition-medium);
}

.logo-text {
    font-weight: 300;
    letter-spacing: 0.02em;
}

.logo:hover .logo-d {
    color: var(--color-primary-light);
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    gap: 3rem;
    align-items: center;
    justify-content: center;
}

.nav-link {
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    position: relative;
    color: var(--color-white);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-red);
}

/* Menu Toggle Button */
.menu-toggle-btn {
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    justify-self: end;
}

.menu-toggle-btn:hover {
    color: var(--color-red);
}

/* ===================================
   Hero Video Slider Section
   =================================== */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
    position: relative;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.6) 100%);
}

.hero-slide .hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 2;
    width: 100%;
    padding: 0 2rem;
}

.hero-slide .hero-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-white);
    text-transform: capitalize;
}

.hero-slide .title-line {
    display: block;
}

/* Slider Pagination */
.slider-pagination {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 10;
}

.pagination-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition-medium);
    padding: 0;
}

.pagination-dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.pagination-dot.active {
    background-color: var(--color-red);
    width: 30px;
    border-radius: 5px;
}

/* Slider Navigation Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.slider-arrow:hover {
    background-color: var(--color-red);
    border-color: var(--color-red);
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow-prev {
    left: 2rem;
}

.slider-arrow-next {
    right: 2rem;
}

.slider-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

/* ===================================
   Identity CTA Section
   =================================== */
.identity-cta-section {
    background-color: var(--color-black);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.identity-cta-content {
    max-width: 900px;
    margin: 0 auto;
}

.section-label {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-red);
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.identity-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 2rem;
    line-height: 1.3;
}

.identity-description {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--color-text-gray);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.identity-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-identity {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-korean);
    font-size: 1rem;
    font-weight: 500;
    border: 1px solid var(--color-white);
    cursor: pointer;
    transition: var(--transition-medium);
    text-decoration: none;
}

.btn-identity-primary {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-identity-primary:hover {
    background-color: var(--color-red);
    border-color: var(--color-red);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.3);
}

.btn-identity-primary i {
    transition: var(--transition-medium);
}

.btn-identity-primary:hover i {
    transform: translateX(5px);
}

.btn-identity-secondary {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-identity-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-black);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

/* ===================================
   Direction Section
   =================================== */
.direction-section {
    position: relative;
    background-color: var(--color-black);
    background-image: url('/img/direction_section_bg.png');
    background-position: center center;
    background-repeat: no-repeat;
    background-size: contain;
    padding: var(--spacing-xxl) 0;
    min-height: 1313px;   
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
	align-items: flex-end; 
}

 

.direction-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xxl);
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.direction-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.direction-word {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1;
    margin: 0;
    text-transform: capitalize;
    letter-spacing: -2px;
    position: relative;
    cursor: pointer;
}

.d-letter {
    color: var(--color-red);
    text-shadow: 0 0 30px var(--color-red-glow);
}

.d-rest {
    color: var(--color-white);
}

/* Hover indicator dot */
.hover-dot {
display: none;
}

.direction-word:hover .hover-dot {
    opacity: 1;
}

.direction-subtitle {
    font-family: var(--font-korean);
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 300;
    color: var(--color-white);
    margin: 0;
    opacity: 0.9;
}

/* ===================================
   Section Titles
   =================================== */
.section-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-text-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===================================
   Services Section
   =================================== */
.services-section {
    background-color: var(--color-black);
    padding: var(--spacing-xxl) 0;
}

.services-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.services-main-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.services-subtitle {
    font-family: var(--font-primary);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--color-text-gray);
    font-weight: 300;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.service-card {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-neutral);
    border-radius: 8px;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-secondary);
}

.service-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-gray-dark) 0%, var(--color-gray) 100%);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.8) 100%);
    transition: var(--transition-medium);
}

.service-card:hover .service-overlay {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.7) 100%);
}

.service-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-name {
    font-family: var(--font-primary);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 2px;
    margin: 0;
}

.service-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition-medium);
    width: fit-content;
}

.service-more i {
    transition: var(--transition-medium);
}

.service-more:hover {
    color: var(--color-red);
}

.service-more:hover i {
    transform: translateX(5px);
}

/* ===================================
   Brand Gallery Section
   =================================== */
.brand-gallery-section {
    background-color: var(--color-black);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.gallery-container {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Center Content */
.gallery-center-content {
    position: relative;
    z-index: 10;
    text-align: center;
}

.gallery-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.gallery-title-highlight {
    color: var(--color-red);
}

.gallery-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--color-text-gray);
    margin-bottom: 1.5rem;
}

.gallery-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-red);
    text-decoration: none;
    transition: var(--transition-medium);
}

.gallery-link:hover {
    transform: translateX(5px);
}

/* Gallery Images */
.gallery-images {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.gallery-img {
    position: absolute;
    width: 200px;
    height: 260px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 1.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.img-placeholder {
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

/* Initial scattered positions - 원형 분산 배치 */
/* 1번: 좌측 상단 (10시 방향에서 시작) */
.gallery-img[data-position="1"] { 
    top: 50%; 
    left: 50%; 
    transform: translateX(-500px) translateY(-350px) rotateY(25deg) skewY(15deg);
}
/* 2번: 상단 좌측 (11시 방향에서 시작) */
.gallery-img[data-position="2"] { 
    top: 50%; 
    left: 50%; 
    transform: translateX(-250px) translateY(-450px) rotateY(15deg) skewY(10deg);
}
/* 3번: 상단 우측 (1시 방향에서 시작) */
.gallery-img[data-position="3"] { 
    top: 50%; 
    left: 50%; 
    transform: translateX(250px) translateY(-450px) rotateY(-15deg) skewY(-10deg);
}
/* 4번: 우측 상단 (2시 방향에서 시작) */
.gallery-img[data-position="4"] { 
    top: 50%; 
    left: 50%; 
    transform: translateX(500px) translateY(-350px) rotateY(-25deg) skewY(-15deg);
}
/* 5번: 좌측 하단 (8시 방향에서 시작) */
.gallery-img[data-position="5"] { 
    top: 50%; 
    left: 50%; 
    transform: translateX(-500px) translateY(250px) rotateY(25deg) skewY(-15deg);
}
/* 6번: 하단 좌측 (7시 방향에서 시작) */
.gallery-img[data-position="6"] { 
    top: 50%; 
    left: 50%; 
    transform: translateX(-250px) translateY(350px) rotateY(15deg) skewY(-10deg);
}
/* 7번: 하단 우측 (5시 방향에서 시작) */
.gallery-img[data-position="7"] { 
    top: 50%; 
    left: 50%; 
    transform: translateX(250px) translateY(350px) rotateY(-15deg) skewY(10deg);
}
/* 8번: 우측 하단 (4시 방향에서 시작) */
.gallery-img[data-position="8"] { 
    top: 50%; 
    left: 50%; 
    transform: translateX(500px) translateY(250px) rotateY(-25deg) skewY(15deg);
}

/* Centered positions on scroll - 중앙 텍스트를 향해 원형으로 모이기 */
.brand-gallery-section.gathered .gallery-img {
    opacity: 1;
}

/* 좌측 상단 (10시 방향) */
.brand-gallery-section.gathered .gallery-img[data-position="1"] { 
    transform: translateX(-380px) translateY(-280px) rotateY(15deg) skewY(8deg) scale(0.88);
}

/* 상단 좌측 (11시 방향) */
.brand-gallery-section.gathered .gallery-img[data-position="2"] { 
    transform: translateX(-200px) translateY(-350px) rotateY(8deg) skewY(5deg) scale(0.88);
}

/* 상단 우측 (1시 방향) */
.brand-gallery-section.gathered .gallery-img[data-position="3"] { 
    transform: translateX(200px) translateY(-350px) rotateY(-8deg) skewY(-5deg) scale(0.88);
}

/* 우측 상단 (2시 방향) */
.brand-gallery-section.gathered .gallery-img[data-position="4"] { 
    transform: translateX(380px) translateY(-280px) rotateY(-15deg) skewY(-8deg) scale(0.88);
}

/* 좌측 하단 (8시 방향) */
.brand-gallery-section.gathered .gallery-img[data-position="5"] { 
    transform: translateX(-380px) translateY(180px) rotateY(15deg) skewY(-8deg) scale(0.88);
}

/* 하단 좌측 (7시 방향) */
.brand-gallery-section.gathered .gallery-img[data-position="6"] { 
    transform: translateX(-200px) translateY(250px) rotateY(8deg) skewY(-5deg) scale(0.88);
}

/* 하단 우측 (5시 방향) */
.brand-gallery-section.gathered .gallery-img[data-position="7"] { 
    transform: translateX(200px) translateY(250px) rotateY(-8deg) skewY(5deg) scale(0.88);
}

/* 우측 하단 (4시 방향) */
.brand-gallery-section.gathered .gallery-img[data-position="8"] { 
    transform: translateX(380px) translateY(180px) rotateY(-15deg) skewY(8deg) scale(0.88);
}

/* Bottom Red Glow */
.gallery-glow {
    position: absolute;
    bottom: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 200px;
    background: radial-gradient(ellipse at center, rgba(255, 0, 0, 0.3) 0%, transparent 70%);
    pointer-events: none;
}

/* ===================================
   IMC Marketing Section - Part 1: Three Circles
   =================================== */
.imc-section {
    background-color: #0a0a0a;
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.imc-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.imc-label {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--color-red);
    letter-spacing: 3px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.imc-title {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.imc-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-gray);
    line-height: 1.8;
}

/* IMC Circles Wrapper with Curves */
.imc-circles-wrapper {
    position: relative;
    margin: var(--spacing-xxl) 0;
    padding-bottom: 100px;
}

.imc-circles {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.connection-svg {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 200px;
    pointer-events: none;
}

.connection-labels {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 20%;
}

.connection-label {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary);
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    border: none;
}

.imc-circle-item {
    display: flex;
    align-items: center;
}

.imc-circle {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(45, 45, 45, 0.6);
    border: 1px solid rgba(80, 80, 80, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: var(--transition-medium);
}

.imc-circle:hover {
    background: rgba(50, 50, 50, 0.8);
    border-color: rgba(100, 100, 100, 0.5);
    transform: scale(1.02);
}

.imc-circle h3 {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.5;
    color: var(--color-white);
}

.imc-circle.imc-center {
    width: 280px;
    height: 280px;
    background: rgba(50, 50, 50, 0.7);
    border-color: rgba(90, 90, 90, 0.4);
}

.imc-circle.imc-center h3 {
    font-size: 1.6rem;
}

.circle-plus {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 300;
    margin: 0 2rem;
}

/* Responsive IMC Section */
@media (max-width: 768px) {
    .imc-circles {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .circle-plus {
        transform: rotate(90deg);
        margin: 0;
    }
    
    .imc-circle {
        width: 160px;
        height: 160px;
    }
    
    .imc-circle.imc-center {
        width: 180px;
        height: 180px;
    }
    
    .connection-labels {
        padding: 0 5%;
    }
    
    .connection-label {
        font-size: 0.9rem;
        padding: 0.4rem 1rem;
    }
}

/* ===================================
   Solution Section - Part 2
   =================================== */
.solution-section {
    background-color: var(--color-black);
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.solution-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.solution-label {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--color-red);
    letter-spacing: 3px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.solution-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--color-white);
}

/* Solution Process */
.solution-process {
    position: relative;
    margin: var(--spacing-xxl) 0;
}

.process-row-label {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.process-row-label span {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-white);
    letter-spacing: 1px;
}

.process-row-label.bottom-label {
    position: absolute;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
}

.process-row {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 1rem;
    margin: var(--spacing-lg) 0;
    max-width: 100%;
    flex-wrap: wrap;
}

.process-card {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: var(--transition-medium);
    min-height: 250px;
    flex: 1 1 220px;
    max-width: 280px;
}

.process-card:hover {
    border-color: var(--color-red);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.15);
}

.card-icon {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-red);
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.card-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.card-list li {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    margin-bottom: 0.8rem;
    padding-left: 1.2rem;
    position: relative;
}

.card-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-red);
    font-size: 1.2rem;
}

.process-arrow {
    font-size: 2rem;
    color: var(--color-primary);
    opacity: 0.7;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    padding: 0 0.5rem;
}

.process-center-dot {
    position: absolute;
    bottom: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background-color: var(--color-red);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.5);
}

/* Solution Footer */
.solution-footer {
    text-align: center;
    margin-top: 150px;
}

.solution-footer-text {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: var(--color-white);
    line-height: 1.8;
}

/* Solution Section Responsive */
@media (max-width: 1200px) {
    .process-row {
        gap: 1rem;
    }
    
    .process-card {
        flex: 1 1 200px;
        max-width: 260px;
    }
}

@media (max-width: 768px) {
    .process-row {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .process-arrow {
        transform: rotate(90deg);
        padding: 0.5rem 0;
    }
    
    .process-card {
        min-height: auto;
        max-width: 100%;
        width: 100%;
    }
}

/* Responsive Solution Section */
@media (max-width: 768px) {
    .process-row {
        grid-template-columns: 1fr;
    }
    
    .process-arrow {
        transform: rotate(90deg);
        margin: 1rem 0;
    }
    
    .process-row-label.bottom-label {
        position: static;
        transform: none;
        margin-top: var(--spacing-lg);
    }
    
    .process-center-dot {
        bottom: auto;
        top: 100%;
        margin-top: 2rem;
    }
    
    .solution-footer {
        margin-top: 100px;
    }
}

/* ===================================
   IMC Device Section - Part 3
   =================================== */
.imc-device-section {
    background-color: var(--color-black);
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.device-showcase-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.device-label {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--color-red);
    letter-spacing: 3px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.device-title {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.device-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-gray);
    line-height: 1.8;
}

/* Platform Showcase Logos */
.platform-showcase-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    margin-top: var(--spacing-xxl);
    flex-wrap: wrap;
}

.platform-logo-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.2rem;
    color: var(--color-text-gray);
    transition: var(--transition-medium);
}

.platform-logo-item i {
    font-size: 2.5rem;
    opacity: 0.7;
}

.platform-logo-item span {
    font-family: var(--font-primary);
    font-weight: 600;
    letter-spacing: 1px;
}

.platform-logo-item:hover {
    color: var(--color-white);
}

.platform-logo-item:hover i {
    opacity: 1;
}

/* Responsive Device Section */
@media (max-width: 768px) {
    .platform-showcase-logos {
        gap: 2rem;
    }
    
    .platform-logo-item {
        flex-direction: column;
        gap: 0.5rem;
    }
}

.strategy-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.strategy-label {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--color-red);
    letter-spacing: 3px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.strategy-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.strategy-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-gray);
    line-height: 1.8;
}

/* Device Carousel */
.device-carousel {
    margin: var(--spacing-xxl) 0;
    position: relative;
}

.device-container {
    position: relative;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1500px;
    margin-bottom: var(--spacing-xl);
}

.device-mockup {
    position: absolute;
    width: 280px;
    height: 560px;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    border: 8px solid #2a2a2a;
    border-radius: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    opacity: 0.3;
    z-index: 1;
    transform: translateX(0) scale(0.85) rotateY(0deg);
}

/* Center/Active position */
.device-mockup.active {
    opacity: 1;
    z-index: 10;
    transform: translateX(0) scale(1.1) rotateY(0deg);
}

/* Left side position */
.device-mockup.left {
    opacity: 0.3;
    z-index: 1;
    transform: translateX(-400px) scale(0.85) rotateY(25deg);
}

/* Right side position */
.device-mockup.right {
    opacity: 0.3;
    z-index: 1;
    transform: translateX(400px) scale(0.85) rotateY(-25deg);
}

.device-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a1a1a 0%, #0f0f0f 100%);
    border-radius: 32px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screen-content {
    text-align: center;
}

.platform-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.platform-icon i {
    font-size: 3rem;
}

.instagram-content .platform-icon {
    background: linear-gradient(135deg, #833AB4, #FD1D1D, #FCB045);
}

.instagram-content .platform-icon i {
    color: white;
}

.youtube-content .platform-icon {
    background: #FF0000;
}

.youtube-content .platform-icon i {
    color: white;
}

.kakao-content .platform-icon {
    background: #FEE500;
}

.kakao-content .platform-icon i {
    color: #3C1E1E;
}

.screen-content h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.screen-content p {
    font-size: 1rem;
    color: var(--color-text-gray);
}

/* Platform Logos */
.platform-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    margin-top: var(--spacing-lg);
}

.logo-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.1rem;
    color: var(--color-text-gray);
    cursor: pointer;
    transition: var(--transition-medium);
    opacity: 0.5;
}

.logo-item i {
    font-size: 2rem;
}

.logo-item:hover {
    color: var(--color-white);
    opacity: 1;
}

.logo-item.active {
    color: var(--color-red);
    opacity: 1;
}

.logo-item span {
    font-family: var(--font-primary);
    font-weight: 600;
    letter-spacing: 1px;
}

/* Process Description */
.strategy-description {
    text-align: center;
    margin: var(--spacing-xxl) 0;
}

.description-title {
    font-size: clamp(1.3rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-white);
}

/* Four Steps Process */
.strategy-steps {
    margin-top: var(--spacing-xxl);
}

.step-label {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.step-label span {
    display: inline-block;
    background-color: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--color-white);
    letter-spacing: 1px;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-lg);
}

.step-card {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: var(--transition-medium);
}

.step-card:hover {
    border-color: var(--color-red);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.1);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.step-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.step-list li {
    font-size: 1rem;
    color: var(--color-text-gray);
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.step-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-red);
    font-size: 1.2rem;
}

.step-arrow {
    position: absolute;
    right: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: var(--color-red);
    opacity: 0.5;
}

.step-card:last-child .step-arrow {
    display: none;
}

/* Bottom Footer Message */
.strategy-footer {
    text-align: center;
    margin-top: var(--spacing-xxl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-text {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--color-white);
    line-height: 1.8;
}

.footer-highlight {
    color: var(--color-red);
    font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
    .device-container {
        height: 400px;
    }
    
    .device-mockup {
        width: 200px;
        height: 400px;
        border-width: 6px;
        border-radius: 30px;
    }
    
    .device-screen {
        border-radius: 24px;
    }
    
    .device-mockup.left {
        transform: translateX(-250px) scale(0.7) rotateY(30deg);
    }
    
    .device-mockup.right {
        transform: translateX(250px) scale(0.7) rotateY(-30deg);
    }
    
    .device-mockup.active {
        transform: translateX(0) scale(1) rotateY(0deg);
    }
    
    .platform-icon {
        width: 70px;
        height: 70px;
    }
    
    .platform-icon i {
        font-size: 2rem;
    }
    
    .screen-content h4 {
        font-size: 1.2rem;
    }
    
    .screen-content p {
        font-size: 0.9rem;
    }
    
    .platform-logos {
        gap: 2rem;
    }
    
    .logo-item {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .logo-item span {
        font-size: 0.85rem;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .step-arrow {
        transform: rotate(90deg) translateX(50%);
        right: auto;
        top: auto;
        bottom: -2rem;
        left: 50%;
    }
}

/* ===================================
   Contact Section
   =================================== */
.contact-section {
    background-color: #f5f5f5;
    padding: 0;
}

.contact-form-container {
    max-width: 100%;
    width: 100%;
    margin: 0;
    background-color: #ffffff;
    border-radius: 40px 40px 0 0;
    padding: 4rem 0;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.08);
}

.contact-form {
    max-width: 520px;
    margin: 0 auto;
    padding: 0 2rem;
}

.contact-label {
    font-family: var(--font-primary);
    font-size: 0.7rem;
    color: var(--color-red);
    letter-spacing: 2px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.contact-main-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    text-align: center;
    color: #000000;
    margin-bottom: 2.5rem;
    letter-spacing: -0.5px;
}

/* Form Sections */
.form-section {
    margin-bottom: 1.8rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 1rem;
}

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

.label-hint {
    font-size: 0.8rem;
    font-weight: 400;
    color: #666;
    margin-left: 0.5rem;
}

/* Checkbox Grid */
.checkbox-rows {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.checkbox-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.8rem;
    background-color: white;
    border: 1px solid #e0e0e0;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition-medium);
    font-size: 0.75rem;
    color: #333;
    font-weight: 400;
    white-space: nowrap;
}

.checkbox-btn input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-btn input[type="checkbox"]:checked + span {
    color: var(--color-red);
    font-weight: 600;
}

.checkbox-btn:has(input:checked) {
    background-color: white;
    border-color: var(--color-red);
    border-width: 1px;
}

.checkbox-btn:hover {
    border-color: var(--color-red);
    background-color: white;
}

/* Input Fields */
.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
}

.form-input {
    width: 100%;
    padding: 0.85rem 1rem;
    background-color: white;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    font-size: 0.85rem;
    color: #000000;
    transition: var(--transition-medium);
}

.form-input:focus {
    outline: none;
    border-color: #999;
    background-color: white;
    box-shadow: none;
}

.form-input::placeholder {
    color: #999;
}

/* Checkbox Labels for Terms */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.8rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-text {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    color: #333;
    position: relative;
    padding-left: 24px;
}

.checkbox-text i {
    position: absolute;
    left: 0;
    width: 16px;
    height: 16px;
    border: 1px solid #e0e0e0;
    border-radius: 2px;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: transparent;
    font-size: 0.6rem;
    transition: var(--transition-medium);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-text i {
    background-color: var(--color-red);
    border-color: var(--color-red);
    color: white;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 0.9rem 2rem;
    background-color: white;
    border: 1px solid #000000;
    border-radius: 50px;
    font-family: var(--font-korean);
    font-size: 0.9rem;
    font-weight: 500;
    color: #000000;
    cursor: pointer;
    transition: var(--transition-medium);
    margin-top: 2rem;
    letter-spacing: 0;
}

.submit-btn:hover {
    background-color: #000000;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* ===================================
   Scrolling Email Banner
   =================================== */
.scrolling-banner {
    background-color: var(--color-red);
    overflow: hidden;
    padding: 1.5rem 0;
    position: relative;
}

.banner-track {
    display: flex;
    white-space: nowrap;
    animation: scroll-left 30s linear infinite;
}

.banner-text {
    font-family: var(--font-primary);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    color: white;
    padding: 0 3rem;
    letter-spacing: 2px;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ===================================
   Contact Form
   =================================== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* Responsive Contact Form */
@media (max-width: 768px) {
    .contact-form-container {
        max-width: 100%;
        padding: 3rem 0;
        border-radius: 30px 30px 0 0;
    }
    
    .contact-form {
        padding: 0 1.5rem;
    }
    
    .contact-main-title {
        font-size: 1.4rem;
        margin-bottom: 1.8rem;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.4rem;
    }
    
    .checkbox-btn {
        padding: 0.5rem 0.6rem;
        font-size: 0.7rem;
        border-radius: 16px;
    }
    
    .input-row {
        grid-template-columns: 1fr;
        gap: 0.6rem;
    }
    
    .form-input {
        padding: 0.7rem 0.85rem;
        font-size: 0.8rem;
    }
    
    .submit-btn {
        font-size: 0.8rem;
        padding: 0.8rem 2rem;
    }
    
    .checkbox-text {
        font-size: 0.7rem;
    }
    
    .form-section {
        margin-bottom: 1.5rem;
    }
}

/* ===================================
   Buttons
   =================================== */
/* ===================================
   Button System - Based on Design Guide
   =================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-primary);
    font-size: var(--font-button);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.02em;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    border-radius: 4px;
    outline: none;
    position: relative;
    overflow: hidden;
}

/* Primary Button States */
.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-primary);
}

/* Hover State */
.btn-primary:hover {
    background: #d91c1c;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(236, 32, 32, 0.3);
}

/* Active State (클릭 시) */
.btn-primary:active {
    background: #b81818;
    transform: translateY(0);
    box-shadow: var(--shadow-secondary);
}

/* Focus State (포커스 시) */
.btn-primary:focus {
    background: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(236, 32, 32, 0.2);
    outline: none;
}

/* Disabled State (비활성화) */
.btn-primary:disabled,
.btn-primary.disabled {
    background: var(--color-neutral-medium);
    color: var(--color-text-light);
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
    opacity: 0.5;
}

.btn-primary:disabled:hover,
.btn-primary.disabled:hover {
    transform: none;
    box-shadow: none;
}

.btn-block {
    width: 100%;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-black);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.footer-text {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    line-height: 1.6;
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-red);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-text-gray);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-red);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-gray);
    font-size: 0.9rem;
    margin: 0;
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
    z-index: var(--z-scroll-top);
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(255, 0, 0, 0.5);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* Intersection Observer Animations */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        font-size: 15px;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 8vw, 6rem);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .service-card {
        aspect-ratio: 16/9;
    }
    
    .brand-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .brand-gallery.centered {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        font-size: 14px;
        --spacing-xxl: 4rem;
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Navigation */
    .nav-container {
        grid-template-columns: 150px 1fr 60px;
        padding: 1.2rem 2rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        justify-content: center;
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-medium);
        z-index: var(--z-mobile-menu);
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        font-size: 1.5rem;
        padding: var(--spacing-sm) 0;
    }
    
    /* Hero Slider */
    .hero-slide .hero-title {
        font-size: clamp(2rem, 12vw, 4rem);
    }
    
    .slider-pagination {
        bottom: 2rem;
    }
    
    /* Sections */
    .section-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* Identity CTA */
    .identity-title {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }
    
    .identity-description {
        font-size: 1rem;
    }
    
    .identity-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-identity {
        justify-content: center;
        width: 100%;
    }
    
    /* Direction */
    .direction-content {
        gap: var(--spacing-xl);
    }
    
    .direction-word {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
    
    .direction-subtitle {
        font-size: 1rem;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    /* Brand Gallery */
    /* Brand Gallery */
    .gallery-img {
        width: 120px;
        height: 160px;
    }
    
    .gallery-title {
        font-size: clamp(2rem, 10vw, 3rem);
    }
    
    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .portfolio-overlay h3 {
        font-size: 1.3rem;
    }
    
    .portfolio-overlay p {
        font-size: 0.85rem;
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        padding: var(--spacing-md);
    }
    
    /* CTA */
    .cta-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
    
    .cta-text {
        font-size: 1.1rem;
    }
    
    /* Contact */
    .contact-wrapper {
        gap: var(--spacing-lg);
    }
    
    .contact-item {
        gap: 1rem;
    }
    
    .contact-icon {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .social-link {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Scroll Top */
    .scroll-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

/* Extra Small Mobile */
@media (max-width: 480px) {
    .nav-container {
        grid-template-columns: 120px 1fr 50px;
        padding: 1rem 1.5rem;
        gap: 1rem;
    }
    
    .nav-menu {
        gap: var(--spacing-md);
    }
    
    .hero-slide .hero-title {
        font-size: clamp(1.8rem, 12vw, 3rem);
    }
    
    .slider-pagination {
        bottom: 1.5rem;
    }
    
    .pagination-dot {
        width: 8px;
        height: 8px;
    }
    
    .pagination-dot.active {
        width: 24px;
    }
    
    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .slider-arrow-prev {
        left: 1rem;
    }
    
    .slider-arrow-next {
        right: 1rem;
    }
    
    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.9rem;
    }
    
    /* Brand Gallery - Extra Small */
    .gallery-img {
        width: 100px;
        height: 140px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Enhanced Responsive Design System
   =================================== */

/* Desktop HD: 1920px+ (Default styles above) */

/* Desktop: 1440px - 1919px */
@media (min-width: 1440px) and (max-width: 1919px) {
    .hero-slide .hero-title {
        font-size: clamp(3.5rem, 6vw, 5rem);
    }
    
    .nav-container {
        padding: 1.5rem 5rem;
    }
    
    .gallery-center-content h2 {
        font-size: clamp(2.5rem, 4vw, 3.5rem);
    }
}

/* Laptop: 1024px - 1439px */
@media (min-width: 1024px) and (max-width: 1439px) {
    .hero-slide .hero-title {
        font-size: clamp(3rem, 5vw, 4rem);
    }
    
    .nav-container {
        padding: 1.5rem 4rem;
        grid-template-columns: 180px 1fr 80px;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    
    .gallery-center-content h2 {
        font-size: clamp(2rem, 3.5vw, 3rem);
    }
    
    /* Brand Gallery - Laptop adjustments */
    .gallery-img {
        width: 180px;
        height: 250px;
    }
    
    .brand-gallery-section .gallery-img[data-position="1"] {
        transform: translateX(-700px) translateY(-320px) rotateY(-25deg) skewY(20deg);
    }
    
    .brand-gallery-section .gallery-img[data-position="2"] {
        transform: translateX(550px) translateY(-320px) rotateY(25deg) skewY(-20deg);
    }
    
    .brand-gallery-section .gallery-img[data-position="3"] {
        transform: translateX(-700px) translateY(200px) rotateY(-25deg) skewY(20deg);
    }
    
    .brand-gallery-section .gallery-img[data-position="4"] {
        transform: translateX(550px) translateY(200px) rotateY(25deg) skewY(-20deg);
    }
    
    .brand-gallery-section .gallery-img[data-position="5"] {
        transform: translateX(-180px) translateY(-400px) rotateY(-15deg) skewY(12deg);
    }
    
    .brand-gallery-section .gallery-img[data-position="6"] {
        transform: translateX(30px) translateY(-400px) rotateY(15deg) skewY(-12deg);
    }
    
    .brand-gallery-section .gallery-img[data-position="7"] {
        transform: translateX(-180px) translateY(280px) rotateY(-15deg) skewY(12deg);
    }
    
    .brand-gallery-section .gallery-img[data-position="8"] {
        transform: translateX(30px) translateY(280px) rotateY(15deg) skewY(-12deg);
    }
    
    /* Gathered state for laptop */
    .brand-gallery-section.gathered .gallery-img[data-position="1"] {
        transform: translateX(-300px) translateY(-180px) rotateY(0deg) skewY(0deg) scale(0.8);
    }
    
    .brand-gallery-section.gathered .gallery-img[data-position="2"] {
        transform: translateX(200px) translateY(-180px) rotateY(0deg) skewY(0deg) scale(0.8);
    }
    
    .brand-gallery-section.gathered .gallery-img[data-position="3"] {
        transform: translateX(-300px) translateY(80px) rotateY(0deg) skewY(0deg) scale(0.8);
    }
    
    .brand-gallery-section.gathered .gallery-img[data-position="4"] {
        transform: translateX(200px) translateY(80px) rotateY(0deg) skewY(0deg) scale(0.8);
    }
    
    .brand-gallery-section.gathered .gallery-img[data-position="5"] {
        transform: translateX(-100px) translateY(-180px) rotateY(0deg) skewY(0deg) scale(0.8);
    }
    
    .brand-gallery-section.gathered .gallery-img[data-position="6"] {
        transform: translateX(0px) translateY(-180px) rotateY(0deg) skewY(0deg) scale(0.8);
    }
    
    .brand-gallery-section.gathered .gallery-img[data-position="7"] {
        transform: translateX(-100px) translateY(80px) rotateY(0deg) skewY(0deg) scale(0.8);
    }
    
    .brand-gallery-section.gathered .gallery-img[data-position="8"] {
        transform: translateX(0px) translateY(80px) rotateY(0deg) skewY(0deg) scale(0.8);
    }
    
    .device-mockup {
        width: 280px;
        height: 560px;
    }
    
    .device-mockup.left {
        transform: translateX(-320px) scale(0.8) rotateY(22deg);
    }
    
    .device-mockup.right {
        transform: translateX(320px) scale(0.8) rotateY(-22deg);
    }
}

/* Tablet: 768px - 1023px */
@media (min-width: 768px) and (max-width: 1023px) {
    .hero-slide .hero-title {
        font-size: clamp(2.5rem, 6vw, 3.5rem);
    }
    
    .hero-slide .hero-subtitle {
        font-size: clamp(1rem, 2vw, 1.3rem);
    }
    
    .nav-container {
        padding: 1.25rem 2rem;
        grid-template-columns: 150px 1fr 70px;
    }
    
    .nav-menu {
        gap: 1.5rem;
        font-size: 0.9rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .imc-circles-row {
        flex-direction: column;
        gap: 2rem;
    }
    
    .process-steps {
        flex-direction: column;
        gap: 2rem;
    }
    
    .process-step {
        width: 100%;
    }
    
    .process-step:not(:last-child)::after {
        display: none;
    }
    
    .device-carousel-container {
        height: 500px;
    }
    
    .device-mockup {
        width: 240px;
        height: 480px;
    }
    
    .device-mockup.left,
    .device-mockup.right {
        opacity: 0.2;
        transform: scale(0.7);
    }
    
    .device-mockup.left {
        transform: translateX(-200px) scale(0.7) rotateY(20deg);
    }
    
    .device-mockup.right {
        transform: translateX(200px) scale(0.7) rotateY(-20deg);
    }
    
    .contact-form {
        max-width: 480px;
    }
    
    .checkbox-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .client-info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Mobile Landscape: 480px - 767px */
@media (min-width: 481px) and (max-width: 767px) {
    .nav-container {
        grid-template-columns: 140px 1fr 60px;
        padding: 1rem 1.5rem;
    }
    
    .checkbox-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
}

/* Mobile Portrait: 320px - 480px */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
    
    .form-input,
    .form-textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* Large Desktop HD: 2560px+ */
@media (min-width: 2560px) {
    .container {
        max-width: 2000px;
        padding: 0 150px;
    }
    
    .hero-slide .hero-title {
        font-size: clamp(5rem, 8vw, 7rem);
    }
    
    .gallery-img {
        width: 240px;
        height: 330px;
    }
    
    .device-mockup {
        width: 380px;
        height: 760px;
    }
}

/* Ultra-wide screens: 3440px+ */
@media (min-width: 3440px) {
    .container {
        max-width: 2400px;
    }
    
    .brand-gallery-section .gallery-img[data-position="1"] {
        transform: translateX(-1100px) translateY(-480px) rotateY(-30deg) skewY(24deg);
    }
    
    .brand-gallery-section .gallery-img[data-position="2"] {
        transform: translateX(950px) translateY(-480px) rotateY(30deg) skewY(-24deg);
    }
}

/* Orientation-specific adjustments */
@media (orientation: landscape) and (max-height: 600px) {
    .hero-slider {
        height: 100vh;
    }
    
    .slide-content {
        padding: 2rem;
    }
    
    .hero-slide .hero-title {
        font-size: clamp(2rem, 5vh, 3rem);
    }
    
    section {
        padding: 3rem 0;
    }
}

/* Print styles */
@media print {
    .navbar,
    .slider-pagination,
    .slider-arrow,
    .scrolling-banner,
    .contact-form {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    section {
        page-break-inside: avoid;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .gallery-img {
        transition: opacity 0.3s ease;
    }
    
    .brand-gallery-section.gathered .gallery-img {
        transform: translateX(0) translateY(0) rotateY(0deg) skewY(0deg) scale(1);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-red: #ff3333;
        --color-text-gray: #cccccc;
    }
    
    .btn {
        border: 2px solid var(--color-red);
    }
    
    .service-card {
        border: 1px solid var(--color-gray-light);
    }
}