/* ==========================================================================
   IHOW - Physical AI for Smart Car Care
   Deep Tech Company Design System
   ========================================================================== */

/* ==========================================================================
   CSS Variables & Design Tokens
   ========================================================================== */

:root {
    /* Colors - Deep Tech Palette */
    --color-primary: #38BFC2;
    --color-primary-dark: #2A9396;
    --color-primary-light: #4FD1D4;
    --color-secondary: #0095DB;
    --color-background: #0B1C2C;
    --color-background-light: #0F2436;
    --color-background-card: rgba(15, 36, 54, 0.6);
    --color-text: #E8F0F7;
    --color-text-secondary: #A8BDD0;
    --color-border: rgba(56, 191, 194, 0.2);
    --color-glow: rgba(56, 191, 194, 0.5);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #38BFC2 0%, #0095DB 100%);
    --gradient-glow: radial-gradient(circle, rgba(56, 191, 194, 0.3) 0%, transparent 70%);
    --gradient-hero: linear-gradient(135deg, rgba(11, 28, 44, 0.95) 0%, rgba(15, 36, 54, 0.9) 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(56, 191, 194, 0.3);
    
    /* Animation */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

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

body {
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-base);
}

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

strong {
    font-weight: 700;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-padding {
    padding: var(--spacing-3xl) 0;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: transparent;
    transition: var(--transition-base);
}

.nav.scrolled {
    background: rgba(11, 28, 44, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text);
    transition: var(--transition-base);
}

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

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-weight: 900;
    letter-spacing: 0.05em;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: var(--z-fixed);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-dropdown {
    position: relative;
}

.nav-link {
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    transition: var(--transition-base);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    background: rgba(15, 36, 54, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    min-width: 200px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.dropdown-menu a:hover {
    background: rgba(56, 191, 194, 0.1);
    color: var(--color-primary);
}

.btn-nav {
    display: none;
    margin-left: var(--spacing-lg);
}

@media (min-width: 1024px) {
    .btn-nav {
        display: inline-flex;
    }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(56, 191, 194, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: rgba(56, 191, 194, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(56, 191, 194, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 191, 194, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-gradient {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1000px;
    height: 1000px;
    background: var(--gradient-glow);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(56, 191, 194, 0.1);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

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

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

.hero-visual {
    position: relative;
}

.visual-container {
    position: relative;
}

.visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: var(--gradient-glow);
    filter: blur(80px);
}

.visual-card {
    position: relative;
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.visual-header {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.visual-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
}

.visual-content {
    position: relative;
    aspect-ratio: 4/3;
    background: rgba(11, 28, 44, 0.8);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.ai-scan-animation {
    position: relative;
    width: 100%;
    height: 100%;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    box-shadow: 0 0 20px var(--color-primary);
    animation: scan 3s ease-in-out infinite;
}

@keyframes scan {
    0% { top: 0; }
    50% { top: calc(100% - 2px); }
    100% { top: 0; }
}

.detection-box {
    position: absolute;
    border: 2px solid var(--color-primary);
    background: rgba(56, 191, 194, 0.1);
    animation: fadeIn 1s ease-in-out;
}

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

.detection-label {
    position: absolute;
    top: -25px;
    left: 0;
    padding: 4px 12px;
    background: var(--color-primary);
    color: #0B1C2C;
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: 4px;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { top: 8px; opacity: 1; }
    100% { top: 24px; opacity: 0; }
}

/* ==========================================================================
   Section Headers
   ========================================================================== */

.section-header {
    margin-bottom: var(--spacing-3xl);
}

.section-header.center {
    text-align: center;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(56, 191, 194, 0.1);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================================================
   Physical AI Section
   ========================================================================== */

.physical-ai {
    background: var(--color-background-light);
}

.pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.pipeline-step {
    text-align: center;
    flex: 0 0 auto;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(56, 191, 194, 0.1);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-primary);
    transition: var(--transition-base);
}

.pipeline-step:hover .step-icon {
    background: rgba(56, 191, 194, 0.2);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.step-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.pipeline-arrow {
    flex: 0 0 auto;
}

/* ==========================================================================
   Solutions Section
   ========================================================================== */

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-xl);
}

.solution-card {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
    overflow: hidden;
    display: block;
    color: inherit;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.solution-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

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

.card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: var(--gradient-glow);
    opacity: 0;
    transition: var(--transition-slow);
}

.solution-card:hover .card-glow {
    opacity: 1;
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(56, 191, 194, 0.1);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
}

.card-title {
    font-size: var(--font-size-2xl);
    margin: 0;
}

.card-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.card-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.card-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
}

.feature-icon {
    color: var(--color-primary);
    font-weight: 700;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-primary);
    font-weight: 600;
}

/* ==========================================================================
   Technology Section
   ========================================================================== */

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.tech-card {
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.tech-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.tech-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(56, 191, 194, 0.1);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.tech-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.tech-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.tech-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tech-feature-item {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(56, 191, 194, 0.1);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.tech-metric {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.metric-value {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--color-primary);
}

/* ==========================================================================
   Industries Section
   ========================================================================== */

.industries {
    background: var(--color-background-light);
}

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

.industry-card {
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-base);
}

.industry-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.industry-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.industry-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.industry-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ==========================================================================
   Achievements Section
   ========================================================================== */

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

.achievement-card {
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.achievement-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.achievement-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.achievement-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.achievement-list {
    list-style: none;
}

.achievement-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    position: relative;
    padding-left: var(--spacing-md);
}

.achievement-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* ==========================================================================
   Company Section
   ========================================================================== */

.company-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.company-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.company-stats {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.company-stat-item {
    padding: var(--spacing-lg);
    background: rgba(56, 191, 194, 0.05);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
}

.stat-title {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.visual-card-large {
    position: relative;
    padding: var(--spacing-2xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.visual-glow-large {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: var(--gradient-glow);
    filter: blur(80px);
}

.architecture-diagram {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.arch-layer {
    width: 100%;
}

.arch-box {
    padding: var(--spacing-lg);
    background: rgba(56, 191, 194, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.arch-plus {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

/* ==========================================================================
   News Section
   ========================================================================== */

.news {
    background: var(--color-background-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.news-card {
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.news-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.news-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, rgba(56, 191, 194, 0.3), rgba(0, 149, 219, 0.3));
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: var(--spacing-md);
}

.news-category {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(11, 28, 44, 0.9);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary);
}

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

.news-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.news-excerpt {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.news-date {
    color: var(--color-primary);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: var(--gradient-glow);
    filter: blur(100px);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(56, 191, 194, 0.1);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.contact-text h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.contact-text p,
.contact-text a {
    color: var(--color-text-secondary);
    margin: 0;
}

.contact-form-container {
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    background: rgba(11, 28, 44, 0.8);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(56, 191, 194, 0.1);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--color-background-light);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-logo {
    height: 40px;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

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

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    transition: var(--transition-base);
}

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

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

.footer-copyright,
.footer-company {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    box-shadow: var(--shadow-glow);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 60px rgba(56, 191, 194, 0.5);
}

/* ==========================================================================
   Animations
   ========================================================================== */

[data-aos] {
    opacity: 0;
    transition: var(--transition-slow);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.95);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* ==========================================================================
   Solution Pages - Additional Styles
   ========================================================================== */

.page-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.page-hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.breadcrumb a {
    color: var(--color-text-secondary);
    transition: var(--transition-base);
}

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

.breadcrumb span:not(a) {
    color: var(--color-primary);
}

.page-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
}

.page-subtitle {
    font-size: var(--font-size-2xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.page-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* Process Flow */
.process-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.process-step {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-base);
}

.process-step:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.process-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.5;
}

.process-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(56, 191, 194, 0.1);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-primary);
}

.process-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.process-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.process-arrow {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    opacity: 0.5;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.feature-card {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.feature-number {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--color-primary);
    opacity: 0.2;
}

.feature-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.feature-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    color: var(--color-text-secondary);
    position: relative;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.content-text {
    max-width: 600px;
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(56, 191, 194, 0.1);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.benefit-content h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.benefit-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.stats-card {
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.stat-box {
    padding: var(--spacing-lg);
    background: rgba(56, 191, 194, 0.05);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    text-align: center;
}

.stat-box .stat-value {
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-icon-service {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(56, 191, 194, 0.1);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    transition: var(--transition-base);
}

.stat-box:hover .stat-icon-service {
    transform: scale(1.1);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.stat-box .stat-label {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.stat-box .stat-detail {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* 2 Column Solutions Grid */
.solutions-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

/* ==========================================================================
   About Page Styles
   ========================================================================== */

.about-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.mission-text {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.value-card {
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-base);
}

.value-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.value-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.value-icon-svg {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.value-card:hover .value-icon-svg {
    transform: scale(1.1);
}

.value-card:hover .value-icon-svg svg {
    filter: drop-shadow(0 0 20px rgba(56, 191, 194, 0.6));
}

.value-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.value-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Organization Chart */
.org-chart {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.org-top {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.org-box {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    transition: var(--transition-base);
}

.org-box:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.ceo-box {
    background: rgba(56, 191, 194, 0.1);
    border-color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.org-name {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

.org-line-vertical {
    width: 2px;
    height: 40px;
    background: var(--gradient-primary);
    margin: 0 auto var(--spacing-md);
}

.org-middle {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
}

/* Timeline */
.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 60px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    padding-left: 120px;
    margin-bottom: var(--spacing-3xl);
}

.timeline-year {
    position: absolute;
    left: 0;
    top: 0;
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--color-primary);
}

.timeline-content {
    padding: var(--spacing-lg);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.timeline-event {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.timeline-event:last-child {
    margin-bottom: 0;
}

.event-dot {
    position: absolute;
    left: 0;
    top: 6px;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

.event-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.event-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

/* Tech Stack Grid */
.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.tech-stack-card {
    padding: var(--spacing-xl);
    background: var(--color-background-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.tech-stack-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.stack-title {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.stack-list {
    list-style: none;
}

.stack-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    position: relative;
    padding-left: var(--spacing-md);
}

.stack-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}