/* ========================================
   전역 변수 및 리셋 - PREMIUM DESIGN SYSTEM
======================================== */
:root {
    /* 프리미엄 컬러 팔레트 */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);

    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #00f2fe;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;

    /* 다크 배경 */
    --bg-primary: #0a0e27;
    --bg-secondary: #12172d;
    --bg-tertiary: #1a1f3a;
    --bg-card: rgba(26, 31, 58, 0.6);
    --bg-card-hover: rgba(26, 31, 58, 0.8);

    /* 텍스트 */
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    /* 보더 */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-hover: rgba(255, 255, 255, 0.2);

    /* 그림자 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);
    --shadow-glow-strong: 0 0 40px rgba(102, 126, 234, 0.5);

    /* 간격 시스템 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* 트랜지션 */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* 반경 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* 블러 */
    --blur-sm: 4px;
    --blur-md: 8px;
    --blur-lg: 16px;
    --blur-xl: 24px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Noto Sans KR', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========================================
   헤더 & 네비게이션 - PREMIUM
======================================== */
.header {
    background: rgba(10, 14, 39, 0.7);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-normal);
}

.logo-text:hover {
    transform: translateY(-2px);
    filter: brightness(1.2);
}

.highlight {
    color: var(--accent-color);
}

.nav-list {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-list a {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.nav-list a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transform: translateX(-50%);
    transition: var(--transition-normal);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
}

.nav-list a:hover::before,
.nav-list a.active::before {
    width: 80%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.05);
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: var(--transition-normal);
    border-radius: var(--radius-full);
}

/* 언어 선택기 */
.language-selector {
    margin-left: var(--spacing-md);
}

.language-selector select {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-normal);
    outline: none;
}

.language-selector select:hover {
    background: rgba(102, 126, 234, 0.2);
    border-color: var(--primary-color);
}

.language-selector select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* ========================================
   히어로 섹션 - PREMIUM
======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-3xl) 0;
    background:
        radial-gradient(4px 4px at 20% 30%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(3px 3px at 60% 70%, rgba(102, 126, 234, 0.8), transparent),
        radial-gradient(5px 5px at 50% 50%, rgba(0, 242, 254, 0.7), transparent),
        radial-gradient(3px 3px at 80% 10%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(4px 4px at 90% 60%, rgba(245, 85, 108, 0.7), transparent),
        radial-gradient(3px 3px at 33% 80%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(4px 4px at 15% 60%, rgba(102, 126, 234, 0.7), transparent),
        radial-gradient(3px 3px at 70% 20%, rgba(240, 147, 251, 0.8), transparent),
        radial-gradient(5px 5px at 40% 90%, rgba(79, 172, 254, 0.9), transparent),
        radial-gradient(4px 4px at 25% 40%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(3px 3px at 85% 75%, rgba(102, 126, 234, 0.8), transparent),
        radial-gradient(4px 4px at 10% 20%, rgba(0, 242, 254, 0.7), transparent),
        linear-gradient(135deg,
            #0f0c29 0%,
            #302b63 25%,
            #24243e 50%,
            #302b63 75%,
            #0f0c29 100%);
    background-size:
        300% 300%,
        300% 300%,
        300% 300%,
        300% 300%,
        300% 300%,
        300% 300%,
        300% 300%,
        300% 300%,
        300% 300%,
        300% 300%,
        300% 300%,
        300% 300%,
        400% 400%;
    animation: gradientShift 10s ease infinite, twinkle 3s ease-in-out infinite;
}

/* 애니메이션되는 그라디언트 배경 */
@keyframes gradientShift {
    0% {
        background-position:
            0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%,
            0% 50%;
    }
    25% {
        background-position:
            50% 50%, 40% 60%, 60% 40%, 30% 70%, 70% 30%, 45% 55%, 55% 45%, 35% 65%, 65% 35%, 48% 52%, 52% 48%, 42% 58%,
            25% 50%;
    }
    50% {
        background-position:
            100% 100%, 90% 90%, 95% 95%, 85% 85%, 92% 92%, 88% 88%, 97% 97%, 82% 82%, 94% 94%, 86% 86%, 91% 91%, 89% 89%,
            50% 50%;
    }
    75% {
        background-position:
            50% 100%, 60% 90%, 40% 95%, 70% 85%, 30% 92%, 55% 88%, 45% 97%, 65% 82%, 35% 94%, 52% 86%, 48% 91%, 58% 89%,
            75% 50%;
    }
    100% {
        background-position:
            0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%,
            100% 50%;
    }
}

/* 별 반짝임 효과 - 더 극적으로 */
@keyframes twinkle {
    0% {
        opacity: 1;
        filter: brightness(1);
    }
    25% {
        opacity: 0.4;
        filter: brightness(1.5);
    }
    50% {
        opacity: 0.8;
        filter: brightness(0.8);
    }
    75% {
        opacity: 0.3;
        filter: brightness(1.8);
    }
    100% {
        opacity: 1;
        filter: brightness(1);
    }
}

/* Floating 오브 1 - 훨씬 크고 밝게 */
.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.6) 0%, rgba(102, 126, 234, 0.4) 30%, rgba(118, 75, 162, 0.3) 50%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    animation: float 12s ease-in-out infinite;
}

/* Floating 오브 2 - 훨씬 크고 밝게 */
.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.5) 0%, rgba(79, 172, 254, 0.4) 30%, rgba(102, 126, 234, 0.3) 50%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        opacity: 1;
    }
    25% {
        transform: translate(100px, -80px) scale(1.3) rotate(90deg);
        opacity: 0.9;
    }
    50% {
        transform: translate(-80px, 100px) scale(1.5) rotate(180deg);
        opacity: 1;
    }
    75% {
        transform: translate(120px, 60px) scale(1.2) rotate(270deg);
        opacity: 0.8;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 0 var(--spacing-lg);
}

/* Floating 파티클 1 - 훨씬 크고 밝게 */
.hero-content::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 85, 108, 0.7) 0%, rgba(240, 147, 251, 0.5) 40%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: floatParticle1 10s ease-in-out infinite;
    z-index: -1;
}

/* Floating 파티클 2 - 훨씬 크고 밝게 */
.hero-content::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -20%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(79, 172, 254, 0.7) 0%, rgba(0, 242, 254, 0.6) 40%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: floatParticle2 14s ease-in-out infinite;
    z-index: -1;
}

@keyframes floatParticle1 {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        opacity: 1;
    }
    33% {
        transform: translate(-60px, 80px) scale(1.5) rotate(120deg);
        opacity: 0.9;
    }
    66% {
        transform: translate(70px, -50px) scale(1.8) rotate(240deg);
        opacity: 1;
    }
}

@keyframes floatParticle2 {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        opacity: 1;
    }
    33% {
        transform: translate(80px, -60px) scale(1.6) rotate(-120deg);
        opacity: 0.9;
    }
    66% {
        transform: translate(-70px, 70px) scale(1.4) rotate(-240deg);
        opacity: 1;
    }
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    color: #ffffff;
    line-height: 1.2;
    letter-spacing: -0.02em;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow:
        0 2px 10px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(102, 126, 234, 0.6);
}


.hero .subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    font-weight: 400;
}

.hero .cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

/* Primary 버튼 */
.hero .btn-primary {
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
    position: relative;
    z-index: 10;
}

.hero .btn-outline {
    position: relative;
    z-index: 10;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   버튼 - PREMIUM
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-glow-strong);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
    backdrop-filter: blur(var(--blur-sm));
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   섹션 공통 - PREMIUM
======================================== */
.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ========================================
   카드 그리드 - PREMIUM
======================================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* ========================================
   일반 카드 - PREMIUM GLASSMORPHISM
======================================== */
.card,
.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before,
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: var(--transition-normal);
    transform-origin: left;
}

.card:hover,
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--border-color-hover);
    background: var(--bg-card-hover);
}

.card:hover::before,
.service-card:hover::before {
    transform: scaleX(1);
}

.card-icon,
.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.3));
}

.card h3,
.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.service-card ul {
    color: var(--text-secondary);
    line-height: 1.8;
}

.service-card li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
    transition: var(--transition-fast);
}

.service-card li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    transition: var(--transition-fast);
}

.service-card li:hover {
    color: var(--text-primary);
    padding-left: 2rem;
}

.service-card li:hover::before {
    color: var(--accent-color);
}

/* ========================================
   프로젝트 카드 - PREMIUM
======================================== */
.project-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--border-color-hover);
}

.project-image {
    width: 100%;
    height: 120px;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    position: relative;
    overflow: hidden;
}

.project-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 0, 0, 0.2) 100%);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(102, 126, 234, 0.15);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.project-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.project-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   프로세스 타임라인 - PREMIUM
======================================== */
.process-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

.process-step {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    gap: var(--spacing-lg);
}

.step-number {
    min-width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
    box-shadow: var(--shadow-glow);
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.step-content {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    flex: 1;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.step-content:hover {
    border-color: var(--border-color-hover);
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
    background: var(--bg-card-hover);
}

.step-content h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   프로젝트 필터 - PREMIUM
======================================== */
.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 600;
    font-size: 0.9rem;
}

.filter-btn:hover {
    background: rgba(102, 126, 234, 0.2);
    border-color: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary-gradient);
    color: var(--text-primary);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

/* ========================================
   Contact Form - PREMIUM
======================================== */
.contact-section {
    background: linear-gradient(135deg, rgba(18, 23, 45, 0.9) 0%, rgba(10, 14, 39, 0.9) 100%);
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.contact-section::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="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(102,126,234,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.contact-form {
    max-width: 650px;
    margin: 0 auto;
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-2xl);
    position: relative;
    z-index: 1;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: rgba(26, 31, 58, 0.4);
    color: var(--text-primary);
    font-family: inherit;
    transition: all var(--transition-normal);
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(26, 31, 58, 0.6);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Phone Group - Country Code + Phone Number */
.phone-group {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.country-code-select {
    flex: 0 0 auto;
    width: 200px;
    height: auto;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: rgba(26, 31, 58, 0.4);
    color: var(--text-primary);
    font-family: inherit;
    transition: all var(--transition-normal);
    font-size: 1rem;
    line-height: 1.5;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23cbd5e1' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.country-code-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.5rem;
}

.country-code-select:hover {
    border-color: var(--border-color-hover);
}

.country-code-select:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(26, 31, 58, 0.6);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.phone-group input[type="tel"] {
    flex: 1;
    min-width: 0;
}

@media (max-width: 768px) {
    .phone-group {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .country-code-select {
        width: 100%;
    }
}

/* ========================================
   푸터 - PREMIUM
======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
    display: inline-block;
}

.footer-section a:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
}

.ai-powered {
    margin-top: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========================================
   프로젝트 모달 - PREMIUM
======================================== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    z-index: 10000;
    animation: fadeIn 0.3s ease;
    overflow-y: auto;
}

.modal-overlay.active {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: var(--spacing-xl);
}

.modal-content {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
    border: 1px solid var(--border-color-hover);
    border-radius: var(--radius-2xl);
    max-width: 900px;
    width: 100%;
    margin: var(--spacing-xl) auto;
    position: relative;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-2xl);
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.modal-title-section h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.modal-title-section .modal-tag {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(102, 126, 234, 0.15);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 700;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.modal-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
    border-color: var(--error-color);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-xl);
    max-height: 70vh;
    overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
    width: 10px;
}

.modal-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
}

.modal-section {
    margin-bottom: var(--spacing-xl);
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    font-weight: 700;
}

.modal-section h3::before {
    content: '';
    width: 4px;
    height: 28px;
    background: var(--primary-gradient);
    margin-right: var(--spacing-md);
    border-radius: var(--radius-full);
}

.modal-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.modal-section ul {
    list-style: none;
    padding: 0;
}

.modal-section ul li {
    color: var(--text-secondary);
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    line-height: 1.7;
    transition: var(--transition-fast);
}

.modal-section ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.modal-section ul li:hover {
    padding-left: 2.5rem;
    color: var(--text-primary);
}

.modal-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.modal-tech-tag {
    padding: 0.6rem 1.25rem;
    background: rgba(79, 172, 254, 0.15);
    border: 1px solid rgba(79, 172, 254, 0.3);
    border-radius: var(--radius-lg);
    color: #4facfe;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-normal);
}

.modal-tech-tag:hover {
    background: rgba(79, 172, 254, 0.25);
    transform: translateY(-2px);
}

.modal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.modal-feature-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.modal-feature-box:hover {
    background: rgba(102, 126, 234, 0.08);
    border-color: var(--border-color-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.modal-feature-box h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 700;
}

.modal-feature-box p {
    margin: 0;
    font-size: 0.95rem;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   생태계 (Ecosystem) 페이지 - PREMIUM
======================================== */
.ecosystem-hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, #1a1f3a 50%, var(--bg-secondary) 100%);
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ecosystem-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.12) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.ecosystem-hero .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    line-height: 1.8;
}

.ecosystem-section {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
    background: var(--bg-primary);
}

.ecosystem-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    gap: 0;
    min-height: 80vh;
}

.ecosystem-sidebar {
    width: 280px;
    min-width: 250px;
    max-width: 320px;
    background: rgba(18, 23, 45, 0.95);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border-radius: var(--radius-2xl) 0 0 var(--radius-2xl);
    padding: var(--spacing-xl) var(--spacing-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
}

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

.logo-ecosystem {
    cursor: pointer;
    transition: var(--transition-normal);
}

.logo-ecosystem:hover {
    transform: scale(1.05);
}

.logo-ecosystem .logo-text {
    font-size: 1.75rem;
}

.category-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.cat-btn {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    text-align: left;
    transition: all var(--transition-normal);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cat-btn i {
    font-size: 1.1rem;
    width: 1.5rem;
    text-align: center;
    flex-shrink: 0;
}

.cat-btn.active,
.cat-btn:hover {
    background: var(--primary-gradient);
    color: var(--text-primary);
    transform: translateX(6px);
    box-shadow: var(--shadow-glow);
    border-color: transparent;
}

.ecosystem-content {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: var(--bg-primary);
    border-radius: 0 var(--radius-2xl) var(--radius-2xl) 0;
}

.category-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: #fbbf24;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.category-title i {
    font-size: 1.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: rgba(26, 31, 58, 0.6);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--icon-color-1, #667eea), var(--icon-color-2, #764ba2));
}

.service-card:hover {
    transform: translateY(-6px);
    background: rgba(26, 31, 58, 0.8);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    display: none;
}

.service-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

.service-status {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-lg);
    font-size: 0.8rem;
    font-weight: 600;
}

.status-online {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-offline {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ========================================
   반응형 - PREMIUM
======================================== */
@media (max-width: 1024px) {
    .ecosystem-container {
        flex-direction: column;
    }

    .ecosystem-sidebar {
        width: 100%;
        max-width: none;
        border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
        padding: var(--spacing-lg);
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .category-menu {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .cat-btn {
        flex: 0 1 auto;
        padding: 0.75rem 1.25rem;
    }

    .ecosystem-content {
        padding: var(--spacing-xl) var(--spacing-lg);
        border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    }

    .services-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(var(--blur-lg));
        transition: var(--transition-normal);
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-xl);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-xs);
    }

    .nav-list a {
        display: block;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1.1rem;
    }

    .hero .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .section-title {
        font-size: 2rem;
    }

    .cards-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .process-step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin-right: 0;
        margin-bottom: var(--spacing-md);
    }

    .step-content:hover {
        transform: translateY(-5px);
    }

    .modal-overlay.active {
        padding: var(--spacing-md);
    }

    .modal-header {
        padding: var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .modal-title-section h2 {
        font-size: 1.5rem;
    }

    .modal-body {
        padding: var(--spacing-lg);
        max-height: 60vh;
    }

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

    .modal-close {
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-md);
    }

    .sidebar-header {
        display: none;
    }

    .cat-btn {
        font-size: 0.9rem;
    }

    .ecosystem-hero {
        padding: 6rem 0 3rem;
    }
}

/* ========================================
   유틸리티 클래스
======================================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.fade-in {
    animation: fadeIn 1s ease;
}

.slide-in-left {
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========================================
   플로팅 Contact 버튼
======================================== */
.floating-contact-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    transition: all var(--transition-normal);
    z-index: 999;
}

.floating-contact-btn:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

.floating-contact-btn:active {
    transform: translateY(-2px) scale(1.05);
}

.floating-contact-btn svg {
    width: 28px;
    height: 28px;
}

/* ========================================
   Contact 모달
======================================== */
.contact-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    overflow-y: auto;
    padding: 2rem;
    animation: fadeIn 0.3s ease;
}

.contact-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 1.5rem;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    line-height: 1;
}

.contact-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.contact-modal .section-title {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.contact-modal .section-subtitle {
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.contact-modal-content::-webkit-scrollbar {
    width: 8px;
}

.contact-modal-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.contact-modal-content::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
}

.contact-modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}

/* 모달 내부 폼 컴팩트 스타일 */
.contact-modal .contact-form {
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.contact-modal .form-group {
    margin-bottom: 0.8rem;
}

.contact-modal .form-group label {
    margin-bottom: 0.3rem;
    font-size: 0.85rem;
}

.contact-modal .form-group input,
.contact-modal .form-group textarea,
.contact-modal .form-group select {
    padding: 0.6rem 0.9rem;
    font-size: 0.9rem;
}

.contact-modal .form-group textarea {
    min-height: 80px;
}

.contact-modal .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.95rem;
}

.contact-modal .mt-2 {
    margin-top: 0.8rem;
}

.contact-modal .mt-2 p {
    font-size: 0.85rem;
}

/* ========================================
   메인넷 쇼케이스 - 컴팩트 버전
======================================== */
.mainnet-showcase-compact {
    background: var(--bg-primary);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

.showcase-compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.compact-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.compact-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.compact-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.compact-info {
    flex: 1;
}

.compact-info h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.compact-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.live-badge {
    padding: 0.2rem 0.5rem;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
    border: 1px solid var(--success-color);
    border-radius: var(--radius-sm);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .showcase-compact-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Mainnet 상세 섹션 스타일
======================================== */
.mainnet-hero-section {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.mainnet-hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.mainnet-logo-section {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.mainnet-logo-circle {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

.mainnet-hero-title {
    font-size: 2rem;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.mainnet-hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Specs Grid */
.mainnet-specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.spec-card {
    background: rgba(26, 31, 58, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.spec-card:hover {
    background: rgba(26, 31, 58, 0.6);
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
}

.spec-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.spec-content {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.spec-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Stats Dashboard */
.mainnet-stats-dashboard {
    background: rgba(26, 31, 58, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.stats-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.stat-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-change {
    font-size: 0.8rem;
    color: var(--success-color);
}

/* Quick Links */
.mainnet-quick-links {
    background: rgba(26, 31, 58, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.links-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.link-card {
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.link-card:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.link-icon {
    width: 45px;
    height: 45px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    flex-shrink: 0;
}

.link-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.link-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.link-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.link-arrow {
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.link-card:hover .link-arrow {
    transform: translateX(4px);
}

/* 모바일 대응 */
@media (max-width: 768px) {
    .floating-contact-btn {
        width: 56px;
        height: 56px;
        bottom: 1.5rem;
        right: 1.5rem;
    }

    .floating-contact-btn svg {
        width: 24px;
        height: 24px;
    }

    .contact-modal {
        padding: 1rem;
    }

    .contact-modal-content {
        padding: 2rem 1.5rem;
        max-height: 85vh;
    }

    .contact-modal-close {
        top: 1rem;
        right: 1rem;
        width: 36px;
        height: 36px;
        font-size: 1.5rem;
    }

    .mainnet-hero-section {
        padding: var(--spacing-lg);
    }

    .mainnet-specs-grid,
    .stats-grid,
    .links-grid {
        grid-template-columns: 1fr;
    }

    .mainnet-hero-title {
        font-size: 1.5rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }
}