:root {
    --woori-primary: #3b82f6;
    --woori-secondary: #22d3ee;
    --woori-accent: #fbbf24;
    --woori-dark: #0f172a;
    --woori-light: #1e293b;
}

body {
    overflow-x: hidden;
    background-color: #0f172a;
    color: #e2e8f0;
    font-family: 'Segoe UI', Tato, sans-serif;
}

.hero-section {
    background: 
        linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(30, 41, 59, 0.75) 100%),
        url('/static/images/Digital_universe_network_background_865a0eef.png');
    background-size: 110% 110%;
    background-position: center;
    color: white;
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    animation: backgroundMove 30s ease-in-out infinite;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes backgroundMove {
    0%, 100% {
        background-position: 0% 50%;
        background-size: 110% 110%;
    }
    25% {
        background-position: 100% 50%;
        background-size: 115% 115%;
    }
    50% {
        background-position: 100% 100%;
        background-size: 110% 110%;
    }
    75% {
        background-position: 0% 100%;
        background-size: 115% 115%;
    }
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(34, 211, 238, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(251, 191, 36, 0.08) 0%, transparent 70%);
    animation: gradientShift 10s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1) rotate(0deg);
    }
    50% {
        opacity: 1;
        transform: scale(1.05) rotate(2deg);
    }
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.3) 100%);
    pointer-events: none;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/static/images/Digital_universe_network_background_865a0eef.png') center/cover;
    opacity: 0.3;
    animation: bgPanZoom 30s ease-in-out infinite;
}

@keyframes bgPanZoom {
    0%, 100% { transform: scale(1) translate(0, 0); }
    25% { transform: scale(1.1) translate(-2%, -2%); }
    50% { transform: scale(1.05) translate(2%, 2%); }
    75% { transform: scale(1.08) translate(-1%, 1%); }
}

.particle-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.floating-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(59, 130, 246, 0.6);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.8);
    animation: float-particle 15s linear infinite;
}

@keyframes float-particle {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translate(calc(100vw - 100px), -100vh) scale(1);
        opacity: 0;
    }
}

.particle-1 { left: 10%; top: 100%; animation-delay: 0s; }
.particle-2 { left: 25%; top: 100%; animation-delay: 2s; }
.particle-3 { left: 45%; top: 100%; animation-delay: 4s; }
.particle-4 { left: 65%; top: 100%; animation-delay: 6s; }
.particle-5 { left: 80%; top: 100%; animation-delay: 8s; }
.particle-6 { left: 15%; top: 100%; animation-delay: 3s; }
.particle-7 { left: 55%; top: 100%; animation-delay: 5s; }
.particle-8 { left: 75%; top: 100%; animation-delay: 7s; }

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #3b82f6 0%, #22d3ee 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    color: #f1f5f9;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    opacity: 0.9;
    color: #cbd5e1;
}

.hero-badge {
    background: rgba(251, 191, 36, 0.15);
    border: 2px solid #fbbf24;
    color: #fbbf24;
    padding: 0.75rem 2rem;
    border-radius: 3rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(251, 191, 36, 0.3);
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1); 
        box-shadow: 0 8px 32px rgba(251, 191, 36, 0.3); 
    }
    50% { 
        transform: scale(1.05); 
        box-shadow: 0 12px 48px rgba(251, 191, 36, 0.5); 
    }
}

.cta-button {
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #22d3ee 100%);
    border: none;
    border-radius: 3rem;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.3);
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(59, 130, 246, 0.5);
    color: white;
}

.section {
    padding: 5rem 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    text-align: center;
    color: #e2e8f0;
    background: linear-gradient(135deg, #f1f5f9 0%, #22d3ee 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #94a3b8;
    margin-bottom: 4rem;
    text-align: center;
}

.feature-card {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: 1.5rem;
    padding: 2.5rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 1.5rem;
    padding: 1px;
    background: linear-gradient(135deg, #3b82f6, #22d3ee, #fbbf24);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: #3b82f6;
    box-shadow: 0 16px 48px rgba(59, 130, 246, 0.2);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3b82f6 0%, #22d3ee 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: 1rem;
}

.feature-text {
    color: #94a3b8;
    line-height: 1.8;
    font-size: 1.05rem;
}

.feature-text li {
    color: #cbd5e1;
}

.feature-text strong {
    color: #fbbf24;
}

.dark-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.dark-list li {
    background: rgba(30, 41, 59, 0.3);
    border-left: 3px solid rgba(251, 191, 36, 0.3);
    padding: 1rem 1.5rem;
    margin-bottom: 0.75rem;
    border-radius: 0.5rem;
    color: #cbd5e1;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 3rem;
}

.dark-list li::before {
    content: '▸';
    position: absolute;
    left: 1.25rem;
    color: #fbbf24;
    font-weight: 700;
    font-size: 1.2rem;
}

.dark-list li:hover {
    background: rgba(30, 41, 59, 0.6);
    border-left-color: #fbbf24;
    transform: translateX(4px);
}

.dark-list li strong {
    color: #fbbf24;
    font-weight: 700;
}

.subsection-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #e2e8f0;
    margin: 2rem 0 1rem;
    padding-left: 1rem;
    border-left: 4px solid #fbbf24;
    background: rgba(15, 23, 42, 0.5);
    padding: 1rem;
    border-radius: 0.5rem;
}

.subsection-title i {
    color: #fbbf24;
    margin-right: 0.5rem;
}

.process-section {
    background: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(251, 191, 36, 0.08) 0%, transparent 50%),
        linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.process-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.1) 0%, transparent 70%);
    animation: pulse-bg 8s ease-in-out infinite;
}

@keyframes pulse-bg {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.6; }
}

.process-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.9) 100%);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid rgba(71, 85, 105, 0.5);
    backdrop-filter: blur(10px);
    z-index: 1;
}

.process-card:hover {
    transform: scale(1.05);
    box-shadow: 
        0 8px 30px rgba(59, 130, 246, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-color: #3b82f6;
    background: linear-gradient(135deg, rgba(30, 41, 59, 1) 0%, rgba(15, 23, 42, 1) 100%);
}

.process-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #22d3ee);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.process-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #22d3ee;
    margin-bottom: 1rem;
}

.process-text {
    color: #cbd5e1;
    line-height: 1.7;
}

.benefits-section {
    padding: 80px 0;
    background: 
        radial-gradient(circle at 80% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 20% 70%, rgba(236, 72, 153, 0.08) 0%, transparent 50%),
        #0f172a;
}

.benefit-item {
    background: rgba(30, 41, 59, 0.3);
    border-left: 4px solid rgba(251, 191, 36, 0.3);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    background: rgba(30, 41, 59, 0.6);
    transform: translateX(4px);
    border-left-color: #fbbf24;
}

.benefit-item strong {
    color: #fbbf24;
    font-size: 1.05rem;
}

.benefit-icon {
    color: #22d3ee;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.benefit-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #22d3ee;
    margin-bottom: 0.5rem;
}

.benefit-text {
    color: #cbd5e1;
    line-height: 1.7;
    margin: 0;
}

.roadmap-phase {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 2px solid #334155;
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.roadmap-phase::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #3b82f6 0%, #22d3ee 100%);
    border-radius: 1rem 0 0 1rem;
}

.phase-number {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, #3b82f6 0%, #22d3ee 100%);
    border-radius: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #f1f5f9;
}

.cta-text {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    color: #cbd5e1;
}

.btn-cta {
    background: linear-gradient(135deg, #3b82f6, #22d3ee);
    color: white;
    padding: 1rem 3rem;
    font-size: 1.3rem;
    font-weight: 700;
    border: none;
    border-radius: 50px;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
}

.btn-cta:hover {
    background: linear-gradient(135deg, #2563eb, #06b6d4);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6);
}

.arrow-icon {
    color: #22d3ee;
    font-size: 2.5rem;
    margin: 1rem 0;
}

.navbar {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(71, 85, 105, 0.5);
}

.navbar-brand img {
    height: 50px !important;
    width: 50px !important;
    min-width: 50px !important;
    max-width: 50px !important;
    min-height: 50px !important;
    max-height: 50px !important;
    object-fit: cover;
    aspect-ratio: 1/1;
    transition: all 0.3s ease;
    display: block;
}

.fi {
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.dropdown-item:hover {
    background-color: #2a2a2a !important;
    color: #fff !important;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .navbar-brand img {
        height: 60px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .arrow-icon {
        transform: rotate(90deg);
    }
}