/* ==========================================================================
   BIOS LAB - Professional Data Recovery & IT Services
   Professional & Premium Design
   ========================================================================== */

/* ========== CSS Variables ========== */
:root {
    /* Primary Colors - Cyan/Teal (Tech & Data Recovery) */
    --primary: #00BCD4;
    --primary-dark: #0097A7;
    --primary-light: #26C6DA;
    --accent: #00E5FF;
    
    /* Neutral Colors */
    --dark: #1A1A1A;
    --gray-900: #2D2D2D;
    --gray-800: #424242;
    --gray-700: #616161;
    --gray-600: #757575;
    --gray-500: #9E9E9E;
    --gray-400: #BDBDBD;
    --gray-300: #E0E0E0;
    --gray-200: #EEEEEE;
    --gray-100: #F8F8F8;
    --white: #FFFFFF;
    
    /* Status Colors */
    --success: #4CAF50;
    --warning: #FF9800;
    --danger: #F44336;
    --info: #2196F3;
    
    /* Typography */
    --font-main: 'Noto Sans KR', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: var(--font-main);
    color: var(--gray-800);
    line-height: 1.7;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* ========== Container ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== Header ========== */
.header {
    position: sticky;
    top: 0;
    background: var(--dark);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 900;
    color: var(--white);
    letter-spacing: -0.5px;
}

.logo i {
    font-size: 32px;
}

.nav-menu {
    display: flex;
    gap: 48px;
    align-items: center;
}

.nav-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    padding: 8px 0;
    position: relative;
    letter-spacing: -0.2px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-contact {
    background: var(--primary);
    color: var(--white);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.btn-contact:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

/* ========== Hero Section ========== */
.hero-slider-wrapper {
    position: relative;
    overflow: hidden;
}

.hero-slider {
    width: 100%;
    position: relative;
    min-height: 100vh;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 0 100px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.7));
    z-index: 1;
}

.hero-slide > .container {
    position: relative;
    z-index: 2;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.service-label {
    display: inline-block;
    font-size: 45px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
    text-transform: uppercase;
}

/* Slide Badge - Removed
.slide-badge {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: var(--shadow-xl);
    animation: fadeInScale 0.8s ease;
}

.slide-badge i {
    font-size: 48px;
    color: var(--white);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}
*/

.hero-title {
    font-size: 40px;
    font-weight: 900;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -2px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease 0.2s both;
}

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

.hero-title .highlight {
    color: var(--accent);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    margin-bottom: 40px;
    font-weight: 400;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease 0.4s both;
}

.slide-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 600px;
    margin: 0 auto 40px;
    text-align: left;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.slide-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

.slide-features i {
    color: var(--accent);
    font-size: 18px;
    flex-shrink: 0;
}

.hero-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 600px;
    margin: 0 auto 40px;
    text-align: left;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

.hero-features li i {
    color: var(--accent);
    font-size: 18px;
    flex-shrink: 0;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

/* ========== Slider Controls ========== */
.slider-controls {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 24px;
    z-index: 10;
}

.slider-arrow {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--white);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-arrow:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: 12px;
    align-items: center;
}

.dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

.dot.active {
    width: 40px;
    border-radius: 10px;
    background: var(--accent);
    border-color: var(--accent);
}

/* ========== Slider Navigation ========== */
.slider-nav {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 24px;
    z-index: 10;
}

.slider-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--white);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.1);
}

/* ========== Slide Labels ========== */
.slide-labels {
    position: absolute;
    bottom: 128px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 10;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 90%;
}

.slide-label {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.slide-label:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--white);
}

.slide-label.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(0, 188, 212, 0.4);
}

/* ========== Slider Progress ========== */
.slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 10;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    width: 0;
    transition: width 0.1s linear;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
    justify-content: center;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-full {
    width: 100%;
}

/* ========== Stats Section ========== */
.stats-section {
    padding: 80px 0;
    background: rgba(0, 0, 0, 0.75);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
    background: rgba(26, 26, 26, 0.75);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    border: 2px solid rgba(42, 42, 42, 0.75);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.3);
    border-color: #FFFFFF;
}

.stat-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F0F0 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    font-size: 36px;
    color: #000000;
}

.stat-number {
    font-size: 45px;
    font-weight: 900;
    color: #FFFFFF;
    display: block;
    margin-bottom: 12px;
    font-family: var(--font-secondary);
}

.stat-label {
    font-size: 45px;
    color: #FFFFFF;
    font-weight: 900;
    font-family: var(--font-secondary);
}

/* ========== About Section ========== */
.about-section {
    padding: 120px 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text {
    text-align: center;
}

.about-text h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
    line-height: 1.4;
}

.about-text p {
    color: var(--gray-700);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 32px;
    list-style: none;
    padding: 0;
}

.about-features li {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
    background: var(--gray-100);
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    transition: var(--transition);
}

.about-features li:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateX(10px);
}

.about-features li i {
    color: var(--primary);
    font-size: 20px;
    transition: var(--transition);
}

.about-features li:hover i {
    color: var(--white);
}

.about {
    padding: 120px 0;
    background: var(--white);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.about-image-badge {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background: var(--white);
    padding: 20px 30px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-xl);
}

.about-image-badge i {
    font-size: 36px;
    color: var(--primary);
}

.about-image-badge strong {
    font-size: 32px;
    font-weight: 900;
    color: var(--dark);
    display: block;
    line-height: 1;
}

.about-image-badge span {
    font-size: 14px;
    color: var(--gray-600);
    display: block;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-tag.light {
    background: var(--white);
    color: var(--primary);
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
}

.section-title.light {
    color: var(--white);
}

.about-text {
    color: var(--gray-700);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
}

.stat-box {
    text-align: center;
    padding: 24px;
    background: var(--gray-100);
    border-radius: 12px;
    transition: var(--transition);
}

.stat-box:hover {
    background: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-box:hover .stat-number,
.stat-box:hover .stat-label {
    color: var(--white);
}

.stat-number {
    font-size: 42px;
    font-weight: 900;
    color: var(--primary);
    display: block;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-700);
    font-weight: 600;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--gray-100);
    border-radius: 12px;
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--primary);
    transform: translateX(10px);
}

.feature-item:hover i,
.feature-item:hover h4,
.feature-item:hover p {
    color: var(--white);
}

.feature-item i {
    font-size: 32px;
    color: var(--primary);
    transition: var(--transition);
}

.feature-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 13px;
    color: var(--gray-600);
}

/* ========== Services Section ========== */
.services,
.services-section {
    padding: 120px 0;
    background: #F5F5F5;
    /* 깔끔한 연한 회색 - 전문서비스 전용 */
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    padding-top: 60px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-700);
    margin-top: 16px;
}

.section-subtitle.light {
    color: rgba(255, 255, 255, 0.9);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--white);
    padding: 48px 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, #F8FAFE 0%, #FFFFFF 100%);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-icon i {
    font-size: 36px;
    color: var(--white);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.service-desc {
    color: var(--gray-700);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-list {
    margin-bottom: 32px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--gray-800);
    font-size: 14px;
    font-weight: 500;
}

.service-list i {
    color: var(--success);
    font-size: 16px;
}

.service-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 700;
    padding: 12px 0;
    transition: var(--transition);
}

.service-btn:hover {
    gap: 12px;
    color: var(--primary-dark);
}

/* ========== Process Section ========== */
.process {
    padding: 120px 0;
    background: var(--white);
}

/* Process Timeline */
.process-timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 80px;
}

.timeline-line {
    position: absolute;
    top: 80px;
    left: 12.5%;
    right: 12.5%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    z-index: 0;
}

.timeline-line::before,
.timeline-line::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}

.timeline-line::before {
    left: 0;
}

.timeline-line::after {
    right: 0;
}

.process-step {
    position: relative;
    text-align: center;
    padding: 40px 20px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    z-index: 1;
}

.process-step:hover {
    transform: translateY(-15px);
    box-shadow: 0 12px 40px rgba(0, 188, 212, 0.2);
}

.process-number {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(0, 188, 212, 0.3);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.process-number span {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    opacity: 0.9;
}

.process-number strong {
    font-size: 24px;
    font-weight: 900;
    font-family: var(--font-secondary);
}

.process-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #E3F2FD 0%, #B3E5FC 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 30px auto 24px;
    transition: var(--transition);
    position: relative;
}

.process-icon::before {
    content: '';
    position: absolute;
    width: 110%;
    height: 110%;
    border: 2px dashed var(--primary);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition);
}

.process-step:hover .process-icon::before {
    opacity: 0.3;
    animation: rotate 20s linear infinite;
}

.process-icon i {
    font-size: 42px;
    color: var(--primary);
    transition: var(--transition);
}

.process-step:hover .process-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    transform: scale(1.1) rotate(10deg);
}

.process-step:hover .process-icon i {
    color: var(--white);
}

.process-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.process-description {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 20px;
}

.process-details {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.process-details li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 13px;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-200);
}

.process-details li:last-child {
    border-bottom: none;
}

.process-details li i {
    color: var(--primary);
    font-size: 12px;
    flex-shrink: 0;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 80px;
}

.process-item {
    flex: 1;
    text-align: center;
    position: relative;
}

.process-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 18px;
    box-shadow: var(--shadow-md);
    z-index: 2;
}

.process-icon {
    width: 120px;
    height: 120px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: var(--transition);
}

.process-icon i {
    font-size: 48px;
    color: var(--primary);
}

.process-item:hover .process-icon {
    background: var(--primary);
    transform: scale(1.1);
}

.process-item:hover .process-icon i {
    color: var(--white);
}

.process-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.process-item p {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.7;
}

.process-arrow {
    font-size: 32px;
    color: var(--primary);
    flex-shrink: 0;
    margin: 0 16px;
}

/* ========== Why Choose Section ========== */
.why-choose {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    position: relative;
    overflow: hidden;
}

.why-choose::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="2" cy="2" r="1" fill="white" opacity="0.05"/></pattern></defs><rect width="100%" height="100%" fill="url(%23dots)"/></svg>');
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
    z-index: 2;
}

.why-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.why-card:hover {
    background: var(--white);
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.why-card:hover .why-icon {
    background: var(--primary);
}

.why-card:hover .why-icon i {
    color: var(--white);
}

.why-card:hover h3,
.why-card:hover p {
    color: var(--gray-800);
}

.why-icon {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: var(--transition);
}

.why-icon i {
    font-size: 36px;
    color: var(--primary);
}

.why-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.why-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* ========== Contact Section ========== */
.contact,
.contact-section {
    padding: 120px 0;
    background: #F5F5F5;
    /* 깔끔한 연한 회색 - 문의하기 전용 */
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    margin-top: 80px;
}

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

.info-card {
    display: flex;
    gap: 20px;
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.info-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 24px;
    color: var(--white);
}

.info-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.info-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.info-sub {
    font-size: 13px;
    color: var(--gray-600);
}

.info-notice {
    background: linear-gradient(135deg, #F8FAFE 0%, #FFFFFF 100%);
    padding: 24px;
    border-radius: 12px;
    display: flex;
    gap: 16px;
    border: 2px solid var(--primary);
}

.info-notice i {
    font-size: 24px;
    color: var(--primary);
    flex-shrink: 0;
}

.info-notice strong {
    display: block;
    font-size: 16px;
    color: var(--dark);
    margin-bottom: 4px;
}

.info-notice p {
    font-size: 13px;
    color: var(--gray-700);
    line-height: 1.6;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 48px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-800);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 82, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-check {
    display: flex;
    align-items: center;
}

.form-check label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    color: var(--gray-700);
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-success {
    display: none;
    text-align: center;
    padding: 80px 40px;
}

.form-success.show {
    display: block;
}

.success-icon {
    font-size: 80px;
    color: var(--success);
    margin-bottom: 24px;
}

.form-success h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.form-success p {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.8;
}

/* ========== Footer ========== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 32px;
}

.footer-desc {
    color: var(--gray-400);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 24px;
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--gray-400);
}

.footer-contact i {
    color: var(--accent);
    width: 18px;
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul a {
    color: var(--gray-400);
    font-size: 14px;
    transition: var(--transition);
}

.footer-col ul a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    text-align: center;
    color: var(--gray-500);
    font-size: 14px;
}

/* ========== Floating Button ========== */
.floating-btn {
    position: fixed;
    bottom: 100px;
    right: 32px;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--success) 0%, #45A049 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    animation: pulse 2s infinite;
    transition: var(--transition);
}

.floating-btn:hover {
    transform: scale(1.1);
    animation: none;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(76, 175, 80, 0);
    }
}

/* ========== Scroll to Top ========== */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 998;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

.scroll-top.show {
    display: flex;
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 52px;
    }
    
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        flex-wrap: wrap;
    }
    
    .process-arrow {
        display: none;
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 76px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 76px);
        background: var(--dark);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px 24px;
        gap: 24px;
        box-shadow: var(--shadow-xl);
        transition: left 0.3s ease;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .btn-contact {
        display: none;
    }
    
    .hero-slide {
        padding: 100px 0 60px;
    }
    
    .service-label {
        font-size: 28px;
        margin-bottom: 16px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
        gap: 12px;
        font-size: 14px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .stat-item {
        padding: 30px 16px;
    }
    
    .stat-icon {
        width: 60px;
        height: 60px;
    }
    
    .stat-icon i {
        font-size: 28px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .stat-label {
        font-size: 32px;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .timeline-line {
        display: none;
    }
    
    .process-step {
        padding: 40px 24px;
    }
    
    .process-details {
        text-align: center;
    }
    
    .process-details li {
        justify-content: center;
    }
    
    /* Slide Badge Removed
    .slide-badge {
        width: 80px;
        height: 80px;
        margin-bottom: 20px;
    }
    
    .slide-badge i {
        font-size: 36px;
    }
    */
    
    .slide-labels {
        bottom: 80px;
        gap: 10px;
    }
    
    .slide-label {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .slider-nav {
        bottom: 20px;
        gap: 16px;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 32px 24px;
    }
    
    .floating-btn {
        bottom: 80px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 20px;
    }
    
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .about-image img {
        height: 400px;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 14px;
    }
}