/* =============================================
   공감각 디자인 스튜디오 - 메인 스타일시트
   Arctic Blue & Luxury Gold Theme
   시원하고 세련된 럭셔리 테마
   ============================================= */

/* ===== CSS Variables (Color Palette & Design Tokens) ===== */
:root {
    /* 🧊 Arctic Blue Palette */
    --arctic-50: #F0F9FF;
    --arctic-100: #E0F2FE;
    --arctic-200: #BAE6FD;
    --arctic-300: #7DD3FC;
    --arctic-400: #38BDF8;
    --arctic-500: #0EA5E9;
    --arctic-600: #0284C7;
    --arctic-700: #0369A1;
    
    /* 🌊 Deep Navy */
    --navy-50: #F8FAFC;
    --navy-100: #F1F5F9;
    --navy-200: #E2E8F0;
    --navy-300: #CBD5E1;
    --navy-400: #94A3B8;
    --navy-500: #64748B;
    --navy-600: #475569;
    --navy-700: #334155;
    --navy-800: #1E293B;
    --navy-900: #0F172A;
    --navy-950: #020617;
    
    /* ✨ Luxury Gold */
    --gold-50: #FFFBEB;
    --gold-100: #FEF3C7;
    --gold-200: #FDE68A;
    --gold-300: #FCD34D;
    --gold-400: #FBBF24;
    --gold-500: #F59E0B;
    --gold-600: #D97706;
    
    /* 💎 Platinum Silver */
    --silver-50: #FAFAFA;
    --silver-100: #F4F4F5;
    --silver-200: #E4E4E7;
    --silver-300: #D4D4D8;
    --silver-400: #A1A1AA;
    
    /* Primary Colors */
    --primary: #0EA5E9;
    --primary-light: #38BDF8;
    --primary-dark: #0284C7;
    --secondary: #F59E0B;
    --secondary-light: #FBBF24;
    --secondary-dark: #D97706;
    
    /* Background Colors */
    --bg-primary: #FAFCFF;
    --bg-secondary: #F0F9FF;
    --bg-dark: #0F172A;
    --bg-card: #FFFFFF;
    --bg-gradient: linear-gradient(180deg, #FAFCFF 0%, #F0F9FF 50%, #E0F2FE 100%);
    
    /* Text Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --text-light: #FFFFFF;
    
    /* Decorative Gradients */
    --gradient-arctic: linear-gradient(135deg, #38BDF8 0%, #0EA5E9 100%);
    --gradient-deep: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
    --gradient-gold: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
    --gradient-luxury: linear-gradient(135deg, #0EA5E9 0%, #0284C7 50%, #F59E0B 100%);
    --gradient-dark: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, #E0F2FE 0%, transparent 50%),
                     radial-gradient(at 80% 0%, #BAE6FD 0%, transparent 40%),
                     radial-gradient(at 0% 50%, #F0F9FF 0%, transparent 50%),
                     radial-gradient(at 80% 50%, #FEF3C7 0%, transparent 30%),
                     radial-gradient(at 0% 100%, #E0F2FE 0%, transparent 40%);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.04), 0 2px 4px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.08), 0 6px 12px rgba(15, 23, 42, 0.06);
    --shadow-xl: 0 25px 50px rgba(15, 23, 42, 0.12);
    --shadow-arctic: 0 4px 20px rgba(14, 165, 233, 0.2);
    --shadow-gold: 0 4px 20px rgba(245, 158, 11, 0.2);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.15);
    
    /* Typography */
    --font-primary: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Poppins', var(--font-primary);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Container */
    --container-max: 1280px;
    --container-narrow: 900px;
}

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

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

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== Animated Background ===== */
.bg-gradient-animated {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: var(--bg-primary);
}

.bg-gradient-animated::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-mesh);
    opacity: 0.7;
}

.bg-gradient-animated::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(14, 165, 233, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 70% 60%, rgba(245, 158, 11, 0.06) 0%, transparent 35%),
        radial-gradient(circle at 20% 80%, rgba(56, 189, 248, 0.05) 0%, transparent 30%);
    animation: floatBackground 30s ease-in-out infinite;
}

@keyframes floatBackground {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(2%, 1%) rotate(1deg); }
    50% { transform: translate(0, 2%) rotate(0deg); }
    75% { transform: translate(-1%, 1%) rotate(-1deg); }
}

/* Floating Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--gradient-arctic);
    border-radius: 50%;
    opacity: 0.4;
    animation: floatParticle 20s infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 25s; }
.particle:nth-child(2) { left: 20%; top: 60%; animation-delay: -5s; animation-duration: 20s; }
.particle:nth-child(3) { left: 35%; top: 40%; animation-delay: -10s; animation-duration: 28s; }
.particle:nth-child(4) { left: 50%; top: 80%; animation-delay: -15s; animation-duration: 22s; }
.particle:nth-child(5) { left: 65%; top: 30%; animation-delay: -8s; animation-duration: 26s; }
.particle:nth-child(6) { left: 80%; top: 70%; animation-delay: -12s; animation-duration: 24s; }
.particle:nth-child(7) { left: 90%; top: 45%; animation-delay: -3s; animation-duration: 30s; }
.particle:nth-child(8) { left: 75%; top: 15%; animation-delay: -18s; animation-duration: 27s; }

@keyframes floatParticle {
    0%, 100% { transform: translateY(0) translateX(0) scale(1); opacity: 0.4; }
    25% { transform: translateY(-30px) translateX(10px) scale(1.2); opacity: 0.6; }
    50% { transform: translateY(-15px) translateX(-15px) scale(0.8); opacity: 0.3; }
    75% { transform: translateY(-40px) translateX(5px) scale(1.1); opacity: 0.5; }
}

/* ===== Glass Card Styles ===== */
.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-lg), inset 0 1px 1px rgba(255, 255, 255, 0.8);
    transition: all var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: rgba(14, 165, 233, 0.2);
}

.glass-strong {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 1);
    box-shadow: var(--shadow-xl);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-xl);
    color: var(--text-light);
}

.soft-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: all var(--transition-smooth);
}

.soft-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--arctic-200);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

.gradient-text {
    background: var(--gradient-luxury);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-arctic {
    background: var(--gradient-arctic);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-gold {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--arctic-100);
    border: 1px solid var(--arctic-200);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-md);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.section-badge i {
    font-size: 0.75rem;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: all var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05), 0 4px 12px rgba(15, 23, 42, 0.05);
    padding: 12px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    width: auto;
    height: 40px;
    object-fit: contain;
    transition: transform var(--transition-bounce);
}

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

.logo-text {
    color: var(--text-primary);
    font-weight: 700;
}

.logo-text span {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: 4px;
    list-style: none;
}

.nav-menu a {
    display: block;
    padding: 10px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary);
    background: var(--arctic-50);
}

.nav-menu a.active {
    color: var(--text-light);
    background: var(--gradient-arctic);
    box-shadow: var(--shadow-arctic);
}

/* Admin Navigation Link */
.nav-menu a.nav-admin {
    color: var(--text-muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.nav-menu a.nav-admin:hover {
    opacity: 1;
    color: var(--primary);
    background: var(--arctic-50);
}

.nav-menu a.nav-admin i {
    font-size: 0.75rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.nav-toggle:hover {
    background: var(--arctic-50);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-arctic);
    color: var(--text-light);
    box-shadow: var(--shadow-arctic);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.35);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--primary);
    border: 2px solid var(--arctic-200);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--arctic-50);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.btn-gold {
    background: var(--gradient-gold);
    color: var(--text-primary);
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.35);
}

.btn-dark {
    background: var(--gradient-dark);
    color: var(--text-light);
    box-shadow: var(--shadow-lg);
}

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

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 10px 16px;
}

.btn-ghost:hover {
    color: var(--primary);
    background: var(--arctic-50);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.05rem;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-label.required::after {
    content: ' *';
    color: var(--primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 2px solid var(--navy-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-card);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 1rem;
    padding-right: 48px;
}

.form-file {
    position: relative;
}

.form-file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.form-file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background: var(--arctic-50);
    border: 2px dashed var(--arctic-300);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-file-label:hover {
    border-color: var(--primary);
    background: var(--arctic-100);
}

.form-file-label i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.form-file-label span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-smooth);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

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

.card-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

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

.card:hover .card-image img {
    transform: scale(1.08);
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.3) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card:hover .card-overlay {
    opacity: 1;
}

.card-body {
    padding: var(--space-lg);
}

.card-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

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

.card-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gradient-arctic);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    margin-right: 8px;
    margin-bottom: 8px;
}

.card-tag.gold {
    background: var(--gradient-gold);
    color: var(--text-primary);
}

/* ===== Grid Systems ===== */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ===== Filter Tabs ===== */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: var(--space-2xl);
}

.filter-tab {
    padding: 12px 24px;
    background: var(--bg-card);
    border: 2px solid var(--navy-200);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-bounce);
}

.filter-tab:hover {
    border-color: var(--arctic-300);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.filter-tab.active {
    background: var(--gradient-arctic);
    border-color: transparent;
    color: var(--text-light);
    box-shadow: var(--shadow-arctic);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero-content {
    max-width: 650px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--arctic-200);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--secondary);
}

.hero h1 {
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    max-width: 600px;
    z-index: 1;
}

.hero-shape {
    position: relative;
    aspect-ratio: 1;
    background: var(--gradient-arctic);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morphShape 15s ease-in-out infinite;
    opacity: 0.15;
}

.hero-shape::before {
    content: '';
    position: absolute;
    inset: 10%;
    background: var(--gradient-gold);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    opacity: 0.8;
    animation: morphShape 18s ease-in-out infinite reverse;
}

.hero-shape::after {
    content: '';
    position: absolute;
    inset: 25%;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    box-shadow: var(--shadow-xl);
}

@keyframes morphShape {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    25% { border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%; }
    50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
    75% { border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%; }
}

/* Hero Floating Elements */
.hero-float-element {
    position: absolute;
    border-radius: 50%;
    animation: floatElement 6s ease-in-out infinite;
}

.hero-float-element:nth-child(1) {
    width: 60px;
    height: 60px;
    background: var(--gradient-arctic);
    top: 20%;
    right: 20%;
    animation-delay: 0s;
    opacity: 0.6;
}

.hero-float-element:nth-child(2) {
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    top: 60%;
    right: 30%;
    animation-delay: -2s;
    opacity: 0.5;
}

.hero-float-element:nth-child(3) {
    width: 80px;
    height: 80px;
    background: rgba(14, 165, 233, 0.1);
    top: 40%;
    right: 10%;
    animation-delay: -4s;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

/* ===== Footer ===== */
.footer {
    background: var(--navy-900);
    color: var(--text-light);
    padding: var(--space-xl) 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--arctic-500), var(--gold-400), transparent);
}

.footer-bottom {
    text-align: center;
    font-size: 0.9rem;
    color: var(--navy-400);
}

/* ===== Utilities ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

.hidden { display: none; }
.visible { display: block; }

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

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

.animate-fadeInUp { animation: fadeInUp 0.8s ease forwards; }
.animate-fadeInDown { animation: fadeInDown 0.8s ease forwards; }
.animate-fadeInLeft { animation: fadeInLeft 0.8s ease forwards; }
.animate-fadeInRight { animation: fadeInRight 0.8s ease forwards; }
.animate-fadeIn { animation: fadeIn 0.6s ease forwards; }
.animate-scaleIn { animation: scaleIn 0.6s ease forwards; }
.animate-bounce { animation: bounce 2s ease-in-out infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* Scroll Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.from-left {
    transform: translateX(-50px);
}

.animate-on-scroll.from-left.visible {
    transform: translateX(0);
}

.animate-on-scroll.from-right {
    transform: translateX(50px);
}

.animate-on-scroll.from-right.visible {
    transform: translateX(0);
}

.animate-on-scroll.scale {
    transform: scale(0.9);
}

.animate-on-scroll.scale.visible {
    transform: scale(1);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--navy-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-arctic);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ===== Page Header ===== */
.page-header {
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    background: linear-gradient(180deg, var(--arctic-50) 0%, var(--bg-primary) 100%);
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.5;
    z-index: 0;
}

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

.page-header h1 {
    margin-bottom: var(--space-md);
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.breadcrumb span {
    color: var(--text-muted);
}

.breadcrumb-current {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== Loading States ===== */
.skeleton {
    background: linear-gradient(90deg, var(--navy-100) 25%, var(--navy-50) 50%, var(--navy-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--arctic-100);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: rotate 0.8s linear infinite;
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    padding: 16px 24px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: slideInRight 0.3s ease;
    border-left: 4px solid var(--primary);
}

.toast.success { border-left-color: #10B981; }
.toast.error { border-left-color: #EF4444; }
.toast.warning { border-left-color: var(--secondary); }

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--navy-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--navy-100);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--primary);
    color: var(--text-light);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--navy-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
}

/* ===== Decorative Elements ===== */
.decoration-dots {
    position: absolute;
    width: 120px;
    height: 120px;
    background-image: radial-gradient(var(--arctic-300) 2px, transparent 2px);
    background-size: 16px 16px;
    opacity: 0.4;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.2;
}

.decoration-arctic {
    background: var(--gradient-arctic);
}

.decoration-gold {
    background: var(--gradient-gold);
}

.decoration-line {
    height: 4px;
    background: var(--gradient-luxury);
    border-radius: 2px;
}

/* ===== Accent Borders ===== */
.border-arctic {
    border: 2px solid var(--arctic-300);
}

.border-gold {
    border: 2px solid var(--gold-300);
}

.border-gradient {
    border: 2px solid transparent;
    background: linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
                var(--gradient-luxury) border-box;
}

/* ===== Special Effects ===== */
.glow-arctic {
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.3);
}

.glow-gold {
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.3);
}

.hover-lift {
    transition: transform var(--transition-smooth);
}

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

/* Gradient Border Animation */
.gradient-border-animated {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
}

.gradient-border-animated::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--primary), var(--secondary), var(--primary));
    background-size: 200% 200%;
    border-radius: inherit;
    z-index: -1;
    animation: gradientRotate 3s linear infinite;
}

@keyframes gradientRotate {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Mint Theme Support (For backwards compatibility) */
.btn-mint {
    background: var(--gradient-gold);
    color: var(--text-primary);
    box-shadow: var(--shadow-gold);
}

.btn-mint:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.35);
}