/* ===================================
   TILLRUN APPLY Page V2 - "Intelligence Applied, Value Delivered"
   Blueprint Overlay Design System
   =================================== */

/* ===================================
   Hero Section V2
   =================================== */
.apply-hero-v2 {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: #000;
    padding-top: 100px;
    overflow: hidden;
}

.apply-hero-v2 .hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#heroDataFlow {
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.cityscape-silhouette {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: linear-gradient(to top, rgba(10, 11, 13, 0.9), transparent);
}

.data-network-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: dataFlowAnim 20s linear infinite;
}

@keyframes dataFlowAnim {
    from {
        background-position: 0 0;
    }
    to {
        background-position: 60px 60px;
    }
}

.apply-hero-v2 .hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 1000px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: rgba(0, 217, 255, 0.05);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 2rem;
    margin-bottom: 2.5rem;
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    font-weight: 600;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--highlight-cyan);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.5);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-text-primary);
    line-height: 1.2;
    margin-bottom: 2rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
}

/* Hero pill entrance animation (match build page feel) */
.hero-pill-list .hero-pill {
    opacity: 0;
    transform: translateY(-10px);
    animation: pillIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero-pill-list .hero-pill:nth-child(1) { animation-delay: 0.35s; }
.hero-pill-list .hero-pill:nth-child(2) { animation-delay: 0.65s; }
.hero-pill-list .hero-pill:nth-child(3) { animation-delay: 0.95s; }

@keyframes pillIn {
    0% { opacity: 0; transform: translateY(-10px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* cursor blink for typing line on apply page */
.cursor-blink {
    display: inline-block;
    margin-left: 6px;
    font-weight: 700;
    animation: blink 1s step-end infinite;
    visibility: visible;
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* system-message styling (match build page look) */
.system-message {
    margin-bottom: 1.75rem;
    text-align: center;
    transform: translateY(-6px);
}
.system-message .typing-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--highlight-cyan);
    font-weight: 700;
    letter-spacing: 0.03em;
}

/* ===================================
   Contextual Navigation (Sticky)
   =================================== */
.contextual-nav {
    position: sticky;
    top: 80px;
    z-index: 99;
    background: rgba(10, 11, 13, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 217, 255, 0.1);
    padding: 1.5rem 0;
}

.contextual-nav .container {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.industry-icons {
    display: flex;
    gap: 1rem;
    flex: 1;
}

.industry-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.industry-icon:hover {
    background: rgba(0, 217, 255, 0.1);
    border-color: var(--highlight-cyan);
    color: var(--color-text-primary);
    transform: translateY(-3px);
}

.industry-icon.active {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.2), rgba(178, 75, 243, 0.2));
    border-color: var(--highlight-cyan);
    color: var(--color-text-primary);
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

.industry-icon i {
    font-size: 1.5rem;
}

/* ===================================
   Vertical Solution Sections
   =================================== */
.vertical-solution {
    position: relative;
    min-height: 100vh;
    padding: 6rem 0;
    overflow: hidden;
}

/* Solution Backgrounds (강화된 줌인 효과) */
.solution-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: grayscale(100%) brightness(0.6);
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(1);
}

/* 스크롤 시 줌인 효과 */
.vertical-solution.visible .solution-background {
    filter: grayscale(80%) brightness(0.7);
    transform: scale(1.08);
}

/* 호버 시 추가 효과 */
.vertical-solution:hover .solution-background {
    filter: grayscale(60%) brightness(0.8);
    transform: scale(1.12);
}

/* Industry-specific Backgrounds (고품질 다크톤 산업 사진 효과) */
.energy-bg {
    background: 
        linear-gradient(135deg, rgba(10, 20, 30, 0.92), rgba(18, 35, 48, 0.95)),
        radial-gradient(ellipse at 30% 40%, rgba(0, 119, 255, 0.08), transparent 60%),
        repeating-linear-gradient(0deg, rgba(0, 119, 255, 0.03) 0px, transparent 2px, transparent 4px),
        repeating-linear-gradient(90deg, rgba(0, 119, 255, 0.03) 0px, transparent 2px, transparent 4px),
        #0a1420;
    background-size: cover, cover, 120px 120px, 120px 120px, cover;
}

.health-bg {
    background: 
        linear-gradient(135deg, rgba(25, 15, 30, 0.93), rgba(35, 25, 40, 0.95)),
        radial-gradient(ellipse at 70% 50%, rgba(255, 107, 129, 0.1), transparent 55%),
        repeating-linear-gradient(45deg, rgba(255, 107, 129, 0.02) 0px, transparent 3px, transparent 6px),
        repeating-linear-gradient(-45deg, rgba(255, 107, 129, 0.02) 0px, transparent 3px, transparent 6px),
        #1a1220;
    background-size: cover, cover, 100px 100px, 100px 100px, cover;
}

.media-bg {
    background: 
        linear-gradient(135deg, rgba(5, 8, 15, 0.95), rgba(12, 15, 22, 0.98)),
        radial-gradient(circle at 50% 30%, rgba(0, 217, 255, 0.06), transparent 50%),
        repeating-linear-gradient(0deg, rgba(0, 217, 255, 0.02) 0px, transparent 1px, transparent 8px),
        repeating-linear-gradient(90deg, rgba(0, 217, 255, 0.02) 0px, transparent 1px, transparent 8px),
        #080c15;
    background-size: cover, cover, 80px 80px, 80px 80px, cover;
}

.exhibition-bg {
    background: 
        linear-gradient(135deg, rgba(18, 15, 25, 0.94), rgba(28, 25, 38, 0.96)),
        radial-gradient(ellipse at 40% 60%, rgba(178, 75, 243, 0.08), transparent 58%),
        repeating-linear-gradient(30deg, rgba(178, 75, 243, 0.02) 0px, transparent 2px, transparent 10px),
        repeating-linear-gradient(-30deg, rgba(178, 75, 243, 0.02) 0px, transparent 2px, transparent 10px),
        #15121c;
    background-size: cover, cover, 90px 90px, 90px 90px, cover;
}

.facility-bg {
    background: 
        linear-gradient(135deg, rgba(12, 24, 28, 0.93), rgba(20, 35, 38, 0.96)),
        radial-gradient(ellipse at 60% 45%, rgba(0, 245, 160, 0.07), transparent 60%),
        repeating-linear-gradient(0deg, rgba(0, 245, 160, 0.025) 0px, transparent 1.5px, transparent 5px),
        repeating-linear-gradient(90deg, rgba(0, 245, 160, 0.025) 0px, transparent 1.5px, transparent 5px),
        #0f1a1e;
    background-size: cover, cover, 110px 110px, 110px 110px, cover;
}

/* Blueprint Overlay (강화된 청사진 라인) */
.blueprint-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.7;
    mix-blend-mode: screen;
}

.blueprint-overlay canvas {
    width: 100%;
    height: 100%;
    filter: contrast(1.2) brightness(1.1);
}

.dark-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.85));
}

/* Solution Layout */
.solution-layout {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.solution-header {
    margin-bottom: 4rem;
    max-width: 800px;
}

.industry-label {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.industry-label.energy {
    background: rgba(0, 119, 255, 0.2);
    border: 1px solid rgba(0, 119, 255, 0.5);
    color: #0077FF;
}

.industry-label.health {
    background: rgba(255, 107, 129, 0.2);
    border: 1px solid rgba(255, 107, 129, 0.5);
    color: #FF6B81;
}

.industry-label.media {
    background: rgba(0, 217, 255, 0.2);
    border: 1px solid rgba(0, 217, 255, 0.5);
    color: var(--highlight-cyan);
}

.industry-label.exhibition {
    background: rgba(178, 75, 243, 0.2);
    border: 1px solid rgba(178, 75, 243, 0.5);
    color: var(--highlight-purple);
}

.industry-label.facility {
    background: rgba(0, 245, 160, 0.2);
    border: 1px solid rgba(0, 245, 160, 0.5);
    color: var(--highlight-green);
}

.solution-headline {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.solution-intro {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* Project Card */
.project-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    padding: 2.5rem;
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(0, 217, 255, 0.2);
    border-color: rgba(0, 217, 255, 0.3);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.project-logo {
    font-size: 3rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
}

.project-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.project-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

/* System Preview */
.system-preview {
    margin-bottom: 2rem;
}

.preview-screen {
    position: relative;
    background: linear-gradient(145deg, rgba(18, 20, 25, 0.95), rgba(12, 14, 18, 0.98));
    border: 3px solid #1a1d23;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.6),
        inset 0 1px 2px rgba(255, 255, 255, 0.03),
        0 0 0 1px rgba(0, 217, 255, 0.15);
    border-radius: 1rem;
    padding: 1.5rem;
    min-height: 300px;
    overflow: hidden;
}

.preview-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(180deg, rgba(0, 217, 255, 0.03), transparent);
    pointer-events: none;
}

.screen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.status-live {
    color: var(--alert-red);
    font-size: 0.875rem;
    font-weight: 600;
    animation: liveBlink 2s infinite;
}

@keyframes liveBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.5; }
}

.screen-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.screen-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Data Widgets */
.data-widget {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.75rem;
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.widget-label {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.widget-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.widget-value.highlight-cyan {
    color: var(--highlight-cyan);
}

.widget-value.highlight-green {
    color: var(--highlight-green);
}

/* Device Tooltip (개선된 호버 효과) */
.device-tooltip {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.2), rgba(0, 217, 255, 0.15));
    border: 2px solid rgba(0, 217, 255, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--highlight-cyan);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
    animation: tooltipPulse 2s infinite;
}

@keyframes tooltipPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
    }
}

.device-tooltip:hover {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.4), rgba(0, 217, 255, 0.3));
    transform: scale(1.15);
    border-color: var(--highlight-cyan);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.6);
    animation: none;
}

.device-tooltip i {
    font-size: 1rem;
}

/* Dual View (Health Section) */
.dual-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.dual-view .preview-screen {
    min-height: 350px;
}

.face-scan {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scan-frame {
    position: relative;
    width: 140px;
    height: 180px;
    border: 2px solid var(--highlight-cyan);
    border-radius: 50% 50% 40% 40%;
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--highlight-cyan), transparent);
    animation: scanMove 2s linear infinite;
}

@keyframes scanMove {
    0% { top: 0; }
    100% { top: 100%; }
}

.vital-display {
    display: flex;
    justify-content: space-around;
    margin-top: 1.5rem;
}

.vital-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.vital-icon {
    font-size: 1.5rem;
}

.vital-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.safety-check-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0.5rem;
    border-left: 3px solid var(--highlight-green);
}

.check-item.pass {
    color: var(--color-text-primary);
}

/* Media Section */
.broadcast-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.broadcast-tile {
    aspect-ratio: 16/9;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.broadcast-tile.active {
    border-color: var(--alert-red);
    box-shadow: 0 0 20px rgba(255, 59, 59, 0.3);
}

.tile-status {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.viewer-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-box {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

/* Mobile App (Exhibition Section) */
.mobile-app {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.mobile-frame {
    position: relative;
    width: 300px;
    background: linear-gradient(145deg, #1a1d23, #0f1216);
    border: 4px solid #1a1d23;
    box-shadow: 
        0 12px 48px rgba(0, 0, 0, 0.7),
        inset 0 1px 2px rgba(255, 255, 255, 0.05),
        0 0 0 1px rgba(0, 217, 255, 0.1);
    border-radius: 2rem;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.mobile-frame:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 60px rgba(0, 217, 255, 0.2),
        inset 0 1px 2px rgba(255, 255, 255, 0.05),
        0 0 0 1px rgba(0, 217, 255, 0.3);
}

.mobile-screen {
    background: #0F1014;
}

.app-header {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.app-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.app-content {
    padding: 1.5rem;
}

.exhibit-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.75rem;
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.exhibit-image {
    font-size: 3rem;
}

.exhibit-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.exhibit-info p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.visitor-path {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0.75rem;
    padding: 1rem;
}

.path-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
}

.path-steps {
    display: flex;
    gap: 0.75rem;
}

.step {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.step.active {
    background: var(--highlight-cyan);
    border-color: var(--highlight-cyan);
    color: #000;
}

.dashboard-panel {
    flex: 1;
}

.glass-mini {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem;
}

.panel-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 1.25rem;
}

.panel-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.5rem;
    margin-bottom: 0.75rem;
}

.panel-stat:last-child {
    margin-bottom: 0;
}

/* Facility Section */
.facility-map {
    height: 200px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 0.75rem;
    position: relative;
    margin-bottom: 1.5rem;
}

.map-location {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.map-location:nth-child(1) {
    top: 20%;
    left: 25%;
}

.map-location:nth-child(2) {
    top: 50%;
    right: 30%;
}

.map-location:nth-child(3) {
    bottom: 20%;
    left: 40%;
}

.map-location i {
    font-size: 1.5rem;
    color: var(--highlight-cyan);
}

.quality-badge {
    padding: 0.25rem 0.625rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.quality-badge.good {
    background: rgba(0, 245, 160, 0.2);
    color: var(--highlight-green);
}

.quality-badge.moderate {
    background: rgba(255, 169, 0, 0.2);
    color: var(--warning-orange);
}

.env-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.env-widget {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.75rem;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.widget-icon {
    font-size: 2rem;
}

.widget-data {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

/* Impact Metrics */
.impact-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
}

.metric-item i {
    font-size: 1.75rem;
    color: var(--highlight-cyan);
}

.metric-content {
    flex: 1;
}

.metric-label {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--highlight-cyan);
}

/* Tech Stack */
.card-footer {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-stack {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tech-tag {
    padding: 0.5rem 1rem;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--highlight-cyan);
}

/* Data Particles */
.data-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* ===================================
   Proven Impact Section
   =================================== */
.proven-impact {
    padding: 8rem 0;
    background: #000;
    text-align: center;
}

.impact-header {
    margin-bottom: 5rem;
}

.impact-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.impact-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 1.5rem;
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 217, 255, 0.2);
    border-color: var(--highlight-cyan);
}

.stat-icon {
    font-size: 4rem;
}

.stat-number {
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--highlight-cyan);
    line-height: 1;
}

.stat-suffix {
    font-size: 3rem;
    font-weight: 900;
    color: var(--highlight-cyan);
    margin-top: -1rem;
}

.stat-label {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    font-weight: 600;
}

/* ===================================
   Narrative CTA
   =================================== */
.narrative-cta {
    padding: 10rem 0;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(178, 75, 243, 0.05));
    text-align: center;
}

.narrative-cta .cta-content {
    max-width: 900px;
    margin: 0 auto;
}

.narrative-cta .cta-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-text-primary);
    line-height: 1.3;
    margin-bottom: 2rem;
}

.narrative-cta .cta-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 3.5rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1.125rem 2.75rem;
    border-radius: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
}

.btn-cta.primary {
    background: linear-gradient(135deg, var(--highlight-cyan), var(--highlight-purple));
    color: #fff;
}

.btn-cta.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(0, 217, 255, 0.4);
}

.btn-cta.secondary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-primary);
}

.btn-cta.secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--highlight-cyan);
}

/* ===================================
   Blueprint Tooltip Popup (개선된 디자인)
   =================================== */
.blueprint-tooltip {
    position: fixed;
    z-index: 9999;
    background: linear-gradient(145deg, rgba(18, 20, 25, 0.98), rgba(10, 12, 16, 1));
    backdrop-filter: blur(24px);
    border: 2px solid var(--highlight-cyan);
    border-radius: 1rem;
    padding: 1.75rem;
    min-width: 340px;
    max-width: 420px;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 25px 70px rgba(0, 217, 255, 0.5),
        inset 0 1px 2px rgba(0, 217, 255, 0.1),
        0 0 0 1px rgba(0, 217, 255, 0.2);
    transform: translateY(10px) scale(0.95);
}

.blueprint-tooltip::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--highlight-cyan), transparent);
    border-radius: 1rem 1rem 0 0;
}

.blueprint-tooltip.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.tooltip-title {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 217, 255, 0.2);
    letter-spacing: -0.02em;
}

.tooltip-tech {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tooltip-section {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.875rem;
    background: rgba(0, 217, 255, 0.05);
    border-left: 3px solid var(--highlight-cyan);
    border-radius: 0.5rem;
}

.tooltip-label {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--highlight-cyan);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-width: 60px;
    flex-shrink: 0;
}

.tooltip-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-primary);
    line-height: 1.6;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1200px) {
    .industry-icons {
        flex-wrap: wrap;
    }
    
    .solution-headline {
        font-size: 2.5rem;
    }
    
    .dual-view {
        grid-template-columns: 1fr;
    }
    
    .mobile-app {
        flex-direction: column;
    }
    
    .impact-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .contextual-nav .container {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .industry-icons {
        width: 100%;
        justify-content: center;
    }
    
    .industry-icon {
        flex: 1;
        min-width: 80px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .solution-headline {
        font-size: 2rem;
    }
    
    .impact-metrics {
        grid-template-columns: 1fr;
    }
    
    .impact-stats {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ===================================
   Scroll Animations
   =================================== */
.vertical-solution {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.vertical-solution.visible {
    opacity: 1;
    transform: translateY(0);
}