/* ========================================
   INFERA About Page - Complete Redesign
======================================== */

/* CSS Variables */
:root {
    --about-gradient: linear-gradient(135deg, #0055ff 0%, #00c896 100%);
    --about-dark: #0a0f1e;
    --about-blue: #0055ff;
    --about-teal: #00c896;
}

/* ========================================
   Hero Section - Full Width Immersive
======================================== */
.about-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0f1e 0%, #1a1a3e 50%, #0a1628 100%);
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(0, 85, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(0, 200, 150, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
    animation: heroPatternFloat 20s ease-in-out infinite;
}

.hero-bg-pattern::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

@keyframes heroPatternFloat {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.05) rotate(1deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
}

.hero-badge {
    display: inline-block;
    padding: 12px 28px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
}

.about-hero h1 {
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 28px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 22px);
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
    padding: 24px 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    min-width: 160px;
    transition: all 0.4s ease;
}

.hero-stat:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    border-color: rgba(0, 200, 150, 0.3);
}

.stat-num {
    display: block;
    font-size: 48px;
    font-weight: 800;
    background: var(--about-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    margin-bottom: 8px;
}

.stat-num sup {
    font-size: 24px;
}

.stat-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* ========================================
   Section Badge (Consistent Label)
======================================== */
.section-badge {
    display: inline-block;
    padding: 10px 24px;
    background: var(--about-gradient);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: 30px;
    margin-bottom: 20px;
}

.section-badge.light {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Section Header Center */
.section-header-center {
    text-align: center;
    margin-bottom: 64px;
}

.section-header-center h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-header-center p {
    font-size: 18px;
    color: #64748b;
    line-height: 1.7;
}

/* ========================================
   About Intro Section
======================================== */
.about-intro {
    padding: 120px 0;
    background: #fff;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.intro-content h2 {
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 32px;
    line-height: 1.3;
}

.intro-lead {
    font-size: 20px;
    color: #334155;
    line-height: 1.9;
    margin-bottom: 24px;
}

.intro-content p {
    font-size: 17px;
    color: #64748b;
    line-height: 1.9;
    margin-bottom: 20px;
}

.intro-content strong {
    color: #1a1a2e;
}

.intro-visual {
    position: relative;
}

.visual-card {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 32px 64px rgba(0, 85, 255, 0.15);
}

.visual-card img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
}

.visual-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.visual-overlay span {
    display: inline-block;
    padding: 10px 20px;
    background: var(--about-gradient);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   Philosophy Section
======================================== */
.philosophy-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.philosophy-card {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    padding: 80px 60px;
    background: #fff;
    border-radius: 32px;
    box-shadow: 0 24px 64px rgba(0, 85, 255, 0.08);
}

.quote-mark {
    position: absolute;
    top: 20px;
    left: 40px;
    font-size: 120px;
    font-family: Georgia, serif;
    background: var(--about-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
}

.philosophy-card blockquote {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 600;
    color: #1a1a2e;
    line-height: 1.5;
    margin-bottom: 32px;
}

.philosophy-card blockquote strong {
    background: var(--about-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.philosophy-desc {
    font-size: 18px;
    color: #64748b;
    line-height: 1.9;
}

.philosophy-desc strong {
    color: #1a1a2e;
}

/* ========================================
   Differentiation Section
======================================== */
.differentiation-section {
    padding: 120px 0;
    background: #fff;
}

.diff-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 56px;
}

.diff-card {
    position: relative;
    padding: 48px 36px;
    background: #fff;
    border-radius: 28px;
    box-shadow: 0 8px 40px rgba(0, 85, 255, 0.08);
    border: 1px solid rgba(0, 85, 255, 0.05);
    transition: all 0.5s ease;
    overflow: hidden;
}

.diff-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--about-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.diff-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 64px rgba(0, 85, 255, 0.15);
}

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

.diff-number {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 64px;
    font-weight: 900;
    background: linear-gradient(135deg, rgba(0, 85, 255, 0.08), rgba(0, 200, 150, 0.05));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.diff-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(0, 85, 255, 0.1) 0%, rgba(0, 200, 150, 0.08) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    transition: all 0.4s ease;
}

.diff-card:hover .diff-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(0, 85, 255, 0.2);
}

.diff-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--about-blue);
    fill: none;
    stroke-width: 1.5;
}

.diff-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.diff-subtitle {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--about-blue);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.diff-card p {
    font-size: 16px;
    color: #64748b;
    line-height: 1.8;
}

.diff-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 40px 48px;
    background: linear-gradient(135deg, rgba(0, 85, 255, 0.05) 0%, rgba(0, 200, 150, 0.03) 100%);
    border: 1px solid rgba(0, 85, 255, 0.1);
    border-radius: 24px;
}

.highlight-icon {
    width: 56px;
    height: 56px;
    background: var(--about-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon svg {
    width: 28px;
    height: 28px;
    stroke: #fff;
    fill: none;
    stroke-width: 2;
}

.diff-highlight p {
    font-size: 18px;
    color: #1a1a2e;
    line-height: 1.7;
    text-align: left;
}

/* ========================================
   Physical AI Section - 밝은 테마
======================================== */
.physical-ai-section {
    padding: 120px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #e8f4fc 100%);
    color: #1a1a2e;
}

.pai-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch;
}

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

.pai-content h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 28px;
}

.pai-lead {
    font-size: 18px;
    color: #4a5568;
    line-height: 1.9;
    margin-bottom: 40px;
}

.pai-lead strong {
    color: #1a1a2e;
}

.pai-features {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pai-features li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: #fff;
    border: 1px solid rgba(0, 85, 255, 0.1);
    border-radius: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    flex: 1;
}

.pai-features li:hover {
    background: #fff;
    transform: translateX(8px);
    box-shadow: 0 8px 25px rgba(0, 85, 255, 0.12);
}

.feature-check {
    width: 36px;
    height: 36px;
    background: var(--about-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-check svg {
    width: 18px;
    height: 18px;
    stroke: #fff;
    fill: none;
    stroke-width: 3;
}

.feature-text strong {
    display: block;
    font-size: 17px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 4px;
}

.feature-text span {
    font-size: 14px;
    color: #666;
}

.pai-visual {
    position: relative;
    display: flex;
    flex-direction: column;
}

.pai-image-container {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 85, 255, 0.15);
    background: linear-gradient(135deg, #0a1628 0%, #1a2d4a 100%);
    border: 1px solid rgba(0, 85, 255, 0.1);
    flex: 1;
    min-height: 400px;
}

.pai-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 400px;
}

.pai-image-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
}

.pai-image-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(0, 85, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.pai-image-label .label-dot {
    width: 8px;
    height: 8px;
    background: #0055ff;
    border-radius: 50%;
}

.pai-image-label span:last-child {
    font-size: 12px;
    font-weight: 600;
    color: #333;
}

.pai-3d-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
}

.pai-3d-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(0, 85, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.pai-3d-label .label-dot {
    width: 8px;
    height: 8px;
    background: #00cc66;
    border-radius: 50%;
    animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.pai-3d-label span:last-child {
    font-size: 12px;
    font-weight: 600;
    color: #1a1a2e;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Legacy support for image wrap if needed */
.pai-image-wrap {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.4);
}

.pai-image-wrap img {
    width: 100%;
    height: auto;
}

.pai-result-card {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 32px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.result-icon {
    width: 48px;
    height: 48px;
    background: var(--about-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-icon svg {
    width: 24px;
    height: 24px;
    stroke: #fff;
    fill: none;
    stroke-width: 2;
}

.result-text strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 2px;
}

.result-text span {
    font-size: 14px;
    color: #64748b;
}

/* ========================================
   Applications Section
======================================== */
.applications-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.applications-section .section-header-center h2 {
    color: #1a1a2e;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.app-card {
    text-align: center;
    padding: 40px 24px;
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0, 85, 255, 0.06);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.app-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--about-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 48px rgba(0, 85, 255, 0.12);
}

.app-card:hover::after {
    transform: scaleX(1);
}

.app-icon-wrap {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(0, 85, 255, 0.1) 0%, rgba(0, 200, 150, 0.08) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.4s ease;
}

.app-card:hover .app-icon-wrap {
    transform: scale(1.1);
}

.app-icon-wrap svg {
    width: 32px;
    height: 32px;
    stroke: var(--about-blue);
    fill: none;
    stroke-width: 1.5;
}

.app-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
    line-height: 1.4;
}

.app-note {
    text-align: center;
    padding: 40px 48px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 4px 24px rgba(0, 85, 255, 0.06);
}

.app-note p {
    font-size: 18px;
    color: #334155;
    line-height: 1.8;
}

.app-note strong {
    color: var(--about-blue);
}

/* ========================================
   Beyond Section
======================================== */
.beyond-section {
    padding: 140px 0;
    background: linear-gradient(135deg, var(--about-blue) 0%, #0033aa 100%);
    position: relative;
    overflow: hidden;
}

.beyond-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.beyond-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.beyond-section h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    color: #fff;
    margin-bottom: 40px;
}

.beyond-quote {
    margin-bottom: 40px;
}

.beyond-quote p {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 600;
    color: #fff;
    line-height: 1.5;
    opacity: 0.95;
}

.beyond-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.9;
    margin-bottom: 48px;
}

.beyond-desc strong {
    color: #fff;
}

.beyond-goal {
    display: inline-block;
    padding: 32px 48px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.goal-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 20px;
    margin-bottom: 16px;
}

.beyond-goal p {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    line-height: 1.6;
}

.beyond-goal p strong {
    color: #fff;
    display: inline;
}

/* ========================================
   Global Section
======================================== */
.global-section {
    padding: 120px 0;
    background: #fff;
}

.global-map {
    margin-bottom: 48px;
}

.market-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.market-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 20px 40px;
    font-size: 20px;
    font-weight: 700;
    color: var(--about-blue);
    background: #fff;
    border: 2px solid rgba(0, 85, 255, 0.2);
    border-radius: 60px;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(0, 85, 255, 0.08);
}

.market-tag:hover {
    background: var(--about-gradient);
    color: #fff;
    border-color: transparent;
    transform: translateY(-6px) scale(1.05);
    box-shadow: 0 16px 40px rgba(0, 85, 255, 0.25);
}

.global-note {
    text-align: center;
    font-size: 20px;
    color: #334155;
    line-height: 1.7;
}

.global-note strong {
    color: var(--about-blue);
}

/* ========================================
   Vision Section
======================================== */
.vision-section {
    padding: 140px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.vision-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.vision-section h2 {
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 32px;
}

.vision-lead {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 400;
    color: #334155;
    line-height: 1.7;
    margin-bottom: 64px;
}

.vision-lead strong {
    background: var(--about-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.vision-steps {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 64px;
}

.vision-step {
    text-align: center;
}

.step-num {
    display: block;
    font-size: 56px;
    font-weight: 900;
    background: var(--about-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.vision-step p {
    font-size: 18px;
    color: #64748b;
    line-height: 1.6;
}

.vision-step strong {
    color: #1a1a2e;
}

.vision-conclusion {
    padding: 48px;
    background: #fff;
    border-radius: 28px;
    box-shadow: 0 16px 48px rgba(0, 85, 255, 0.08);
}

.vision-conclusion p {
    font-size: 22px;
    font-weight: 500;
    color: #1a1a2e;
    line-height: 1.8;
}

.vision-conclusion strong {
    color: var(--about-blue);
}

/* ========================================
   Organization Section
======================================== */
.org-section-new {
    padding: 120px 0;
    background: #fff;
}

.org-chart {
    max-width: 1000px;
    margin: 0 auto;
}

.org-ceo {
    text-align: center;
    display: inline-block;
    padding: 32px 64px;
    background: var(--about-gradient);
    border-radius: 20px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.org-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.org-title {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.org-name {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
}

.org-line-vertical {
    width: 2px;
    height: 48px;
    background: var(--about-gradient);
}

.org-departments {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 24px;
}

.org-dept {
    flex: 1;
    max-width: 280px;
    text-align: center;
    padding: 36px 28px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 85, 255, 0.08);
    border-top: 4px solid var(--about-blue);
    transition: all 0.4s ease;
}

.org-dept:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 85, 255, 0.12);
}

.dept-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(0, 85, 255, 0.1) 0%, rgba(0, 200, 150, 0.08) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.dept-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--about-blue);
    fill: none;
    stroke-width: 1.5;
}

.org-dept h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.org-dept p {
    font-size: 15px;
    color: #64748b;
}

/* ========================================
   Core Organization Section
======================================== */
.core-org-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

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

.core-org-card {
    background: #fff;
    border-radius: 28px;
    padding: 48px;
    box-shadow: 0 8px 40px rgba(0, 85, 255, 0.06);
    transition: all 0.4s ease;
}

.core-org-card:hover {
    box-shadow: 0 16px 56px rgba(0, 85, 255, 0.1);
    transform: translateY(-4px);
}

.core-org-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(0, 85, 255, 0.08);
}

.core-org-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 85, 255, 0.1) 0%, rgba(0, 200, 150, 0.08) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.core-org-icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--about-blue);
    fill: none;
    stroke-width: 1.5;
}

.core-org-title h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 4px;
}

.core-org-title span {
    font-size: 13px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.core-org-desc {
    font-size: 16px;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 28px;
}

.core-org-card h5 {
    font-size: 14px;
    font-weight: 700;
    color: var(--about-blue);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.core-org-list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px 0;
}

.core-org-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    font-size: 15px;
    color: #64748b;
    line-height: 1.7;
}

.core-org-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--about-gradient);
    border-radius: 50%;
}

.core-org-effects {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.core-org-effects span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, rgba(0, 85, 255, 0.06) 0%, rgba(0, 200, 150, 0.04) 100%);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #1a1a2e;
}

.core-org-effects i {
    font-style: normal;
    font-size: 18px;
}

.core-org-quote {
    padding: 20px 24px;
    background: linear-gradient(135deg, rgba(0, 85, 255, 0.04) 0%, rgba(0, 200, 150, 0.03) 100%);
    border-left: 3px solid var(--about-blue);
    border-radius: 0 16px 16px 0;
    font-size: 15px;
    font-weight: 500;
    color: #1a1a2e;
    font-style: italic;
}

/* ========================================
   CTA Section
======================================== */
.about-cta {
    position: relative;
    padding: 120px 24px;
    background: linear-gradient(135deg, var(--about-blue) 0%, #0033aa 100%);
    overflow: hidden;
}

.cta-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 10% 90%, rgba(0, 200, 150, 0.2) 0%, transparent 30%),
        radial-gradient(circle at 90% 10%, rgba(255, 255, 255, 0.1) 0%, transparent 30%);
}

.cta-content-new {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.about-cta h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.about-cta p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
}

.cta-btn {
    display: inline-block;
    padding: 18px 48px;
    background: #fff;
    color: var(--about-blue);
    font-size: 17px;
    font-weight: 700;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.4s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.cta-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Responsive Styles
======================================== */
@media (max-width: 1200px) {
    .diff-cards {
        grid-template-columns: 1fr;
    }

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

    .core-org-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .intro-visual {
        order: -1;
    }

    .pai-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .pai-visual {
        order: -1;
    }

    .org-departments {
        flex-direction: column;
        align-items: center;
    }

    .org-dept {
        max-width: 100%;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .about-hero {
        min-height: auto;
        padding: 140px 20px 80px;
    }

    .hero-stats {
        gap: 16px;
    }

    .hero-stat {
        padding: 20px 24px;
        min-width: 140px;
    }

    .stat-num {
        font-size: 36px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .about-intro,
    .differentiation-section,
    .applications-section,
    .global-section,
    .vision-section,
    .org-section-new,
    .core-org-section {
        padding: 80px 0;
    }

    .philosophy-section,
    .beyond-section {
        padding: 80px 0;
    }

    .philosophy-card {
        padding: 48px 28px;
    }

    .quote-mark {
        font-size: 80px;
        top: 10px;
        left: 20px;
    }

    .diff-card {
        padding: 36px 28px;
    }

    .diff-number {
        font-size: 48px;
    }

    .app-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .app-card {
        padding: 28px 16px;
    }

    .app-card h4 {
        font-size: 14px;
    }

    .vision-steps {
        flex-direction: column;
        gap: 32px;
    }

    .step-num {
        font-size: 42px;
    }

    .vision-conclusion {
        padding: 32px 24px;
    }

    .vision-conclusion p {
        font-size: 18px;
    }

    .market-tags {
        gap: 12px;
    }

    .market-tag {
        padding: 16px 28px;
        font-size: 16px;
    }

    .core-org-card {
        padding: 32px 24px;
    }

    .core-org-header {
        flex-direction: column;
        text-align: center;
    }

    #physical-ai-canvas {
        height: 450px;
    }

    .pai-3d-label {
        padding: 8px 14px;
    }

    .pai-3d-label span:last-child {
        font-size: 10px;
    }

    .pai-result-card {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        margin-top: 24px;
        justify-content: center;
    }

    .diff-highlight {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
    }

    .diff-highlight p {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-stat {
        flex: 1 1 100%;
    }

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

    #physical-ai-canvas {
        height: 380px;
    }

    .section-header-center h2 {
        font-size: 28px;
    }

    .core-org-effects {
        flex-direction: column;
    }

    .beyond-goal {
        padding: 24px;
    }

    .beyond-goal p {
        font-size: 17px;
    }
}