/**
 * (주)애브리 - EVERY INC. 스타일시트
 * Version: 1.0.0
 */

/* =====================================================
   CSS Variables
   ===================================================== */
:root {
    /* Colors */
    --color-primary: #de4047;
    --color-primary-dark: #c73038;
    --color-primary-light: #ff6b6b;
    --color-secondary: #1a1a2e;
    --color-dark: #0a0a0a;
    --color-gray-900: #111111;
    --color-gray-800: #1f1f1f;
    --color-gray-700: #333333;
    --color-gray-600: #555555;
    --color-gray-500: #777777;
    --color-gray-400: #999999;
    --color-gray-300: #bbbbbb;
    --color-gray-200: #dddddd;
    --color-gray-100: #f5f5f5;
    --color-white: #ffffff;
    --color-gold: #ffd700;
    
    /* Typography */
    --font-primary: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    --font-size-5xl: 48px;
    --font-size-6xl: 60px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-header: 1000;
    --z-modal: 2000;
}

/* =====================================================
   Reset & Base
   ===================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

ul, ol {
    list-style: none;
}

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

/* =====================================================
   Utility Classes
   ===================================================== */
.container {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.text-center { text-align: center; }
.text-white { color: var(--color-white); }
.text-accent { color: var(--color-primary); }

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(222, 64, 71, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-gray-900);
    border: 2px solid var(--color-gray-300);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* =====================================================
   Header
   ===================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    padding: var(--spacing-lg) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
}

.header-inner {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-logo .logo-img {
    height: 36px;
}

/* Logo visibility based on header state */
.header .logo-dark {
    display: none;
}

.header .logo-light {
    display: block;
}

.header.scrolled .logo-dark,
.header.header-sub .logo-dark {
    display: block;
}

.header.scrolled .logo-light,
.header.header-sub .logo-light {
    display: none;
}

.header-logo .logo-text {
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--color-white);
    transition: color var(--transition-base);
}

.header.scrolled .logo-text {
    color: var(--color-gray-900);
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.header.scrolled .nav-link {
    color: var(--color-gray-700);
}

.nav-link:hover {
    background: rgba(222, 64, 71, 0.1);
    color: var(--color-primary);
}

.nav-link-cta {
    background: var(--color-primary);
    color: var(--color-white) !important;
}

.nav-link-cta:hover {
    background: var(--color-primary-dark);
}

/* Submenu */
.nav-item.has-submenu {
    position: relative;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding-top: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.nav-item.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
}

.submenu-inner {
    display: flex;
    gap: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    min-width: 600px;
}

.submenu-group {
    min-width: 150px;
}

.submenu-title {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-gray-400);
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.submenu-list li {
    margin-bottom: var(--spacing-sm);
}

.submenu-list a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.submenu-list a:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.badge-new {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-base);
}

.header.scrolled .hamburger span {
    background: var(--color-gray-900);
}

/* Sub Page Header - Always visible */
.header.header-sub {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.header.header-sub .logo-text {
    color: var(--color-gray-900);
}

.header.header-sub .nav-link {
    color: var(--color-gray-700);
}

.header.header-sub .nav-link:hover {
    color: var(--color-primary);
}

.header.header-sub .hamburger span {
    background: var(--color-gray-900);
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
}

.hero-slider {
    height: 100%;
}

.hero-slide {
    position: relative;
    height: 100%;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.hero-bg-gradient {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-secondary) 50%, #16213e 100%);
}

.hero-bg-gradient-ai {
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
}

.hero-bg-gradient-rag {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.hero-bg-gradient-factory {
    background: linear-gradient(135deg, #232526 0%, #414345 50%, #2c3e50 100%);
}

.hero-bg-gradient-momemtory {
    background: linear-gradient(135deg, #2c1654 0%, #6b2d5c 50%, #c94b4b 100%);
}

.hero-bg-gradient-everythings {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #de4047 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
}

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

.hero-inner {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}

.swiper-slide-active .hero-inner {
    opacity: 1;
    transform: translateY(0);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(222, 64, 71, 0.2);
    border: 1px solid rgba(222, 64, 71, 0.3);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-xl);
}

.hero-badge span {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 2px;
}

.hero-title {
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.1;
    letter-spacing: -3px;
    margin-bottom: var(--spacing-xl);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.hero-desc {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
}

/* Floating Cards */
.hero-floating {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 3;
}

.floating-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    animation: float 6s ease-in-out infinite;
    transition: all var(--transition-base);
}

.floating-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-5px);
}

.floating-card:nth-child(1) { animation-delay: 0s; }
.floating-card:nth-child(2) { animation-delay: 0.8s; }
.floating-card:nth-child(3) { animation-delay: 1.6s; }
.floating-card:nth-child(4) { animation-delay: 2.4s; }
.floating-card:nth-child(5) { animation-delay: 3.2s; }
.floating-card:nth-child(6) { animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.floating-card lord-icon {
    width: 40px;
    height: 40px;
}

.floating-card span {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 3;
}

.scroll-indicator span {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-xs);
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scroll-down 1.5s ease-in-out infinite;
}

@keyframes scroll-down {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Swiper Pagination */
.swiper-pagination {
    bottom: var(--spacing-2xl) !important;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background: var(--color-primary);
}

/* =====================================================
   Page Header (Sub Pages)
   ===================================================== */
.page-header {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-secondary) 100%);
    padding: 180px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(222, 64, 71, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.page-header-content {
    position: relative;
    z-index: 1;
}

.page-badge {
    display: inline-block;
    background: rgba(222, 64, 71, 0.2);
    border: 1px solid rgba(222, 64, 71, 0.3);
    color: var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 900;
    color: var(--color-white);
    letter-spacing: -2px;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.page-desc {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* =====================================================
   Section Styles
   ===================================================== */
.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
}

.section-badge-gold {
    background: linear-gradient(135deg, var(--color-gold), #ffaa00);
    color: var(--color-dark);
}

.section-title {
    font-size: clamp(32px, 5vw, 50px);
    font-weight: 900;
    color: var(--color-gray-900);
    letter-spacing: -2px;
    line-height: 1.2;
}

.section-desc {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    margin-top: var(--spacing-md);
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* =====================================================
   Services Section
   ===================================================== */
.services-section {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    position: relative;
    background: var(--color-gray-100);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl) var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: rgba(255, 255, 255, 0.2);
}

.service-icon lord-icon {
    width: 45px;
    height: 45px;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 1;
    transition: color var(--transition-base);
}

.service-card:hover .service-title {
    color: var(--color-white);
}

.service-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    position: relative;
    z-index: 1;
    transition: color var(--transition-base);
}

.service-card:hover .service-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.service-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-gold);
    color: var(--color-dark);
    font-size: 10px;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    z-index: 2;
}

/* =====================================================
   Highlight Section
   ===================================================== */
.highlight-section {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.highlight-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(222, 64, 71, 0.1) 0%, transparent 60%);
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.highlight-card {
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    position: relative;
    overflow: hidden;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: transform var(--transition-base);
}

.highlight-card:hover {
    transform: translateY(-8px);
}

.highlight-ai { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.highlight-rag { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); }
.highlight-everythings { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.highlight-momemtory { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }

.highlight-icon {
    position: absolute;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    opacity: 0.3;
}

.highlight-icon lord-icon {
    width: 100px;
    height: 100px;
}

.highlight-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    width: fit-content;
}

.highlight-title {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.highlight-desc {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.highlight-link {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-white);
    transition: gap var(--transition-base);
}

.highlight-card:hover .highlight-link {
    letter-spacing: 2px;
}

/* =====================================================
   Works Section
   ===================================================== */
.works-section {
    background: var(--color-gray-100);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.work-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.work-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.work-thumbnail {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-gray-200);
}

.work-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.work-thumbnail-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.work-thumbnail-placeholder lord-icon {
    width: 60px;
    height: 60px;
}

.work-info {
    padding: var(--spacing-xl);
}

.work-category {
    display: inline-block;
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.work-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.work-client {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* =====================================================
   Stats Section
   ===================================================== */
.stats-section {
    background: var(--color-gray-100);
    padding: var(--spacing-3xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    gap: 4px;
}

.stat-number {
    font-size: clamp(40px, 6vw, 60px);
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.stat-suffix {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    width: 100%;
    font-size: var(--font-size-base);
    color: var(--color-gray-500);
    margin-top: var(--spacing-sm);
}

.stat-sub {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    margin-top: var(--spacing-xs);
    font-weight: 500;
}

/* =====================================================
   CTA Section
   ===================================================== */
.cta-section {
    background: var(--color-white);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(28px, 4vw, 45px);
    font-weight: 900;
    color: var(--color-gray-900);
    letter-spacing: -2px;
    margin-bottom: var(--spacing-md);
}

.cta-desc {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xl);
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-inner {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-4xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: auto;
    max-height: 50px;
    width: auto;
    max-width: 200px;
    margin-bottom: var(--spacing-lg);
    filter: brightness(0) invert(1);
}

.footer-slogan {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.5);
}

.footer-menu li {
    margin-bottom: var(--spacing-sm);
}

.footer-menu a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

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

.footer-contact li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.footer-contact .label {
    color: rgba(255, 255, 255, 0.5);
    min-width: 50px;
}

.footer-contact .value {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.footer-info {
    flex: 1;
}

.company-info, .address {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.copyright {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.4);
}

.credits {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.3);
    margin-top: 8px;
}

.credits a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: color var(--transition-base);
}

.credits a:hover {
    color: rgba(255, 255, 255, 0.7);
}

.footer-experience {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* =====================================================
   Mobile Menu
   ===================================================== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: var(--color-white);
    z-index: calc(var(--z-header) + 1);
    transition: right var(--transition-base);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-inner {
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.mobile-nav > li {
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-nav > li > a {
    display: block;
    padding: var(--spacing-lg) 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
}

.mobile-submenu {
    padding-bottom: var(--spacing-lg);
    display: none;
}

.mobile-submenu.active {
    display: block;
}

.mobile-submenu li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.submenu-category {
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-xs);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-gray-400);
    letter-spacing: 1px;
}

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .header-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-floating {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .highlight-grid {
        grid-template-columns: 1fr;
    }
    
    .works-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .services-grid,
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* =====================================================
   Service Detail Page Styles
   ===================================================== */

.service-detail {
    padding: var(--spacing-xl) 0;
}

.service-detail h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
    margin: var(--spacing-2xl) 0 var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.service-detail h3:first-child {
    margin-top: 0;
}

.service-detail p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

.service-detail ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-xl);
}

.service-detail ul li {
    position: relative;
    padding-left: 28px;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    color: var(--color-gray-700);
}

.service-detail ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.service-detail ul li strong {
    color: var(--color-dark);
    font-weight: 600;
}

/* Hero Image */
.service-hero-image {
    margin-bottom: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* Image Grid */
.service-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.service-image-grid.three-cols {
    grid-template-columns: repeat(3, 1fr);
}

.service-image-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.service-image-grid img:hover {
    transform: scale(1.02);
}

/* Stats Box */
.service-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.stat-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    color: white;
}

.stat-box .stat-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.stat-box .stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* Feature Items */
.service-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.feature-item {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.feature-item .feature-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

/* Highlight Box */
.service-highlight-box {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    border-left: 4px solid var(--color-primary);
}

.service-highlight-box.pink {
    background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
    border-left-color: #ec4899;
}

.highlight-icon {
    font-size: 48px;
}

.highlight-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.highlight-content p {
    margin: 0;
    color: var(--color-gray-600);
}

.service-highlight-box h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.service-highlight-box ul {
    margin: 0;
}

/* Tech Stack */
.tech-stack {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.tech-category h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tech-tag {
    display: inline-block;
    background: var(--color-dark);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-full);
}

/* Measurement Grid */
.measurement-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.measurement-item {
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.measurement-icon {
    font-size: 36px;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.measurement-name {
    display: block;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.measurement-desc {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* AI Fields */
.ai-fields {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.ai-field {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.ai-field-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

.ai-field h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.ai-field p {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin: 0;
}

/* Process Timeline */
.process-timeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg) 0;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 800;
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-dark);
    text-align: center;
}

/* RAG Diagram */
.rag-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl);
    background: var(--color-light);
    border-radius: var(--radius-xl);
}

.rag-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.rag-icon {
    font-size: 36px;
    margin-bottom: var(--spacing-sm);
}

.rag-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-dark);
}

.rag-arrow {
    font-size: 24px;
    color: var(--color-primary);
    font-weight: bold;
}

/* Use Cases */
.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.use-case {
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    font-weight: 500;
    color: var(--color-dark);
    transition: all var(--transition-base);
}

.use-case:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Product Categories */
.product-categories {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.product-category {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.category-icon {
    font-size: 36px;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.product-category h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.product-category p {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin: 0;
}

/* Features Showcase */
.features-showcase {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.feature-card {
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.feature-emoji {
    font-size: 36px;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.feature-card h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin: 0;
}

/* Install Types */
.install-types {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.install-type {
    background: linear-gradient(135deg, var(--color-light) 0%, white 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.install-type h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.install-type p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin: 0;
}

/* Case Gallery */
.case-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.case-gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.case-gallery img:hover {
    transform: scale(1.03);
}

/* Responsive: Service Detail */
@media (max-width: 1024px) {
    .service-stats,
    .service-features,
    .tech-stack,
    .measurement-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ai-fields,
    .product-categories,
    .features-showcase {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .process-timeline {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    .rag-diagram {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .service-hero-image img {
        height: 250px;
    }
    
    .service-image-grid,
    .service-image-grid.three-cols {
        grid-template-columns: 1fr;
    }
    
    .service-image-grid img {
        height: 200px;
    }
    
    .service-stats,
    .service-features,
    .tech-stack,
    .measurement-grid,
    .ai-fields,
    .product-categories,
    .features-showcase,
    .install-types,
    .case-gallery {
        grid-template-columns: 1fr;
    }
    
    .rag-diagram {
        flex-direction: column;
    }
    
    .rag-arrow {
        transform: rotate(90deg);
    }
    
    .process-timeline {
        flex-direction: column;
    }
}

/* =====================================================
   Featured Project Section
   ===================================================== */

.featured-project-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

.featured-project-card {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.project-visual {
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    background-size: cover;
    background-position: center;
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 400px;
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.project-pattern {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(222, 64, 71, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(79, 172, 254, 0.2) 0%, transparent 50%);
    opacity: 0.8;
}

.project-badge {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.badge-label {
    display: inline-block;
    background: rgba(222, 64, 71, 0.9);
    color: white;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 6px 14px;
    border-radius: 4px;
    width: fit-content;
}

.badge-year {
    font-size: 72px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.1);
    line-height: 1;
    letter-spacing: -4px;
}

.project-partners {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.project-partners span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 600;
}

.partner-dot {
    color: #de4047 !important;
    font-weight: 400 !important;
}

.project-content {
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-category {
    font-size: 13px;
    font-weight: 600;
    color: #de4047;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.project-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #1a1a2e;
    line-height: 1.3;
    margin-bottom: 12px;
}

.project-tagline {
    font-size: 1.1rem;
    color: #666;
    font-style: italic;
    margin-bottom: 20px;
}

.project-desc {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 30px;
}

.project-highlights {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    padding: 20px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.project-highlights .highlight {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-highlights .highlight strong {
    font-size: 1.8rem;
    font-weight: 800;
    color: #de4047;
}

.project-highlights .highlight span {
    font-size: 0.85rem;
    color: #999;
}

.btn-project {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #1a1a2e;
    color: white;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    width: fit-content;
    transition: all 0.3s ease;
}

.btn-project:hover {
    background: #de4047;
    transform: translateY(-2px);
}

.btn-project svg {
    width: 18px;
    height: 18px;
}

/* Featured Project Responsive */
@media (max-width: 992px) {
    .featured-project-card {
        grid-template-columns: 1fr;
    }
    
    .project-visual {
        min-height: 280px;
        padding: 40px 30px;
    }
    
    .badge-year {
        font-size: 48px;
    }
    
    .project-content {
        padding: 40px 30px;
    }
    
    .project-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .project-highlights {
        flex-direction: column;
        gap: 16px;
    }
    
    .project-highlights .highlight {
        flex-direction: row;
        align-items: center;
        gap: 12px;
    }
    
    .project-highlights .highlight strong {
        font-size: 1.5rem;
        min-width: 50px;
    }
}