/* NeoNova Technologies - Modern CSS Styles */

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors - Inspired by NeoNova logo */
    --primary-blue: #1e40af;
    --primary-cyan: #06b6d4;
    --primary-navy: #1e293b;
    --accent-blue: #3b82f6;
    --accent-cyan: #0891b2;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --black: #000000;
    
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-cyan) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-blue) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
    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);
    color: var(--gray-600);
}

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

a:hover {
    color: var(--accent-blue);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: var(--font-size-base);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-normal);
    height: 80px;
    min-height: 80px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    min-height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    height: 100%;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    min-width: 50px;
    min-height: 50px;
    flex-shrink: 0;
    position: relative;
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.nav-logo .logo {
    height: 50px;
    width: 50px;
    display: block;
    animation: glowPulse 2s ease-in-out infinite alternate;
}

@keyframes glowPulse {
    from {
        filter: drop-shadow(0 0 5px rgba(26, 115, 232, 0.5));
    }
    to {
        filter: drop-shadow(0 0 15px rgba(66, 133, 244, 0.8));
    }
}

.company-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    white-space: nowrap;
    line-height: 1.2;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
    border-radius: 2px;
}

.nav-link:hover {
    color: var(--primary-blue);
    background: var(--gray-50);
}

.nav-link.active {
    color: var(--white);
    background: var(--gradient-primary);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.nav-link.active::after {
    width: 0;
}

.nav-link:hover:not(.active)::after {
    width: 70%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, var(--gray-50) 100%);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    pointer-events: none;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    perspective: 1000px;
}

.element {
    position: absolute;
    opacity: 0.85;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.1);
}

.element:hover {
    opacity: 1;
}

/* Primary Circle with Gradient - Top Left */
.element-1 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #1e40af 0%, #06b6d4 100%);
    border-radius: 50%;
    top: 8%;
    left: 2%;
    animation: float-subtle 10s ease-in-out infinite;
}

/* Rounded Square - Bottom Left */
.element-2 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #3b82f6 0%, #0891b2 100%);
    border-radius: 32px;
    bottom: 12%;
    left: 5%;
    animation: float-gentle 12s ease-in-out infinite;
    animation-delay: 1.5s;
}

/* Medium Circle - Right Side */
.element-3 {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #1e293b 0%, #1e40af 100%);
    border-radius: 50%;
    top: 20%;
    right: 8%;
    animation: float-drift 14s ease-in-out infinite;
    animation-delay: 3s;
}

/* Small accent circle - Top Right */
.element-4 {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    border-radius: 50%;
    bottom: 20%;
    right: 15%;
    animation: float-subtle 11s ease-in-out infinite;
    animation-delay: 2s;
}

/* Soft Square - Center */
.element-5 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    border-radius: 24px;
    top: 55%;
    left: 30%;
    animation: float-gentle 13s ease-in-out infinite;
    animation-delay: 4s;
}

/* Hidden element */
.element-6 {
    display: none;
}

/* Professional Animation Keyframes */
@keyframes float-subtle {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
    }
    50% { 
        transform: translate(15px, -20px) scale(1.03);
    }
}

@keyframes float-gentle {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
    }
    50% { 
        transform: translate(-20px, 15px) scale(1.05);
    }
}

@keyframes float-drift {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
    }
    50% { 
        transform: translate(-15px, 20px) scale(1.02);
    }
}

/* Page Header */
.page-header {
    padding: 120px 0 var(--spacing-3xl);
    background: var(--gradient-secondary);
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.page-header p {
    color: var(--gray-300);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

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

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.feature-icon svg {
    width: 30px;
    height: 30px;
    stroke-width: 2;
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Stats Section */
.stats {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
}

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

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    line-height: 1.2;
    white-space: nowrap;
}

.stat-label {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    font-weight: 500;
}

/* Services Detail */
.services-detail {
    padding: var(--spacing-3xl) 0;
}

.service-block {
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-3xl) 0;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-block.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.service-block:not(:last-child) {
    border-bottom: 1px solid var(--gray-200);
}

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

.service-block.reverse .service-content {
    grid-template-columns: 1fr 1fr;
}

.service-block.reverse .service-info {
    order: 2;
}

.service-block.reverse .service-visual {
    order: 1;
}

.service-info {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease-out 0.2s;
}

.service-block.animate-in .service-info {
    opacity: 1;
    transform: translateX(0);
}

.service-block.reverse .service-info {
    transform: translateX(30px);
}

.service-block.reverse.animate-in .service-info {
    transform: translateX(0);
}

.service-info h2 {
    margin-bottom: var(--spacing-lg);
}

.service-info p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

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

.service-features li {
    padding: var(--spacing-sm) 0;
    color: var(--gray-600);
}

.service-features strong {
    color: var(--primary-blue);
}

.service-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease-out 0.4s;
}

.service-block.animate-in .service-visual {
    opacity: 1;
    transform: translateX(0);
}

.service-block.reverse .service-visual {
    transform: translateX(-30px);
}

.service-block.reverse.animate-in .service-visual {
    transform: translateX(0);
}

/* Tech Grid Visual */
.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.tech-item {
    padding: var(--spacing-lg);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: 500;
    animation: pulse 2s infinite;
}

.tech-item:nth-child(2) { animation-delay: 0.5s; }
.tech-item:nth-child(3) { animation-delay: 1s; }
.tech-item:nth-child(4) { animation-delay: 1.5s; }

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(0.95); }
}

/* IoT Diagram */
.iot-diagram {
    position: relative;
    width: 300px;
    height: 300px;
}

.iot-node {
    position: absolute;
    padding: var(--spacing-md);
    background: var(--white);
    border: 2px solid var(--primary-blue);
    border-radius: var(--radius-xl);
    font-weight: 500;
    color: var(--primary-blue);
    text-align: center;
    min-width: 80px;
    animation: rotate 10s linear infinite;
}

.iot-node.central {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary-blue);
    animation: none;
}

.iot-node:nth-child(2) { top: 10%; left: 50%; transform: translateX(-50%); }
.iot-node:nth-child(3) { top: 50%; right: 10%; transform: translateY(-50%); }
.iot-node:nth-child(4) { bottom: 10%; left: 50%; transform: translateX(-50%); }

@keyframes rotate {
    from { transform: rotate(0deg) translateX(100px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
}

/* Code Preview */
.code-preview {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-family: 'Monaco', 'Menlo', monospace;
    position: relative;
    overflow: hidden;
}

.code-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: var(--gray-800);
    border-bottom: 1px solid var(--gray-700);
}

.code-line {
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.code-line:first-child { margin-top: 40px; }

/* Mobile Mockup */
.mobile-mockup {
    display: flex;
    justify-content: center;
}

.mobile-mockup-inline {
    display: none;
    margin: var(--spacing-xl) 0;
}

.phone-frame {
    width: 200px;
    height: 350px;
    background: var(--gray-900);
    border-radius: 30px;
    padding: 20px;
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-lg);
    overflow: hidden;
}

.app-header {
    text-align: center;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--gray-200);
}

.app-content, .app-dashboard {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.app-feature, .dashboard-card {
    padding: var(--spacing-sm);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: var(--font-size-sm);
}

.card-title {
    font-weight: 500;
    color: var(--gray-900);
}

.card-status {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

/* Products Grid */
.products-grid {
    padding: var(--spacing-3xl) 0;
}

.product-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.product-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.product-card.featured {
    border: 2px solid var(--primary-blue);
    position: relative;
    overflow: hidden;
}

.product-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.product-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

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

.feature-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.product-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Product Mockups */
.product-mockup {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
    position: relative;
}

.control-panel {
    width: 200px;
    height: 250px;
    background: var(--gray-900);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
}

.screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.control-interface {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background: var(--gray-50);
}

.control-toggle {
    width: 40px;
    height: 20px;
    background: var(--gray-300);
    border-radius: 10px;
    position: relative;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.control-toggle.active {
    background: var(--primary-blue);
}

.control-toggle::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--white);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast);
}

.control-toggle.active::before {
    transform: translateX(20px);
}

/* Process Section */
.process {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.process-step {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    position: relative;
    transition: all var(--transition-normal);
}

.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
}

.process-step h3 {
    margin-bottom: var(--spacing-md);
}

/* Portfolio (Products page) */
.portfolio-intro {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.portfolio-intro-inner {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.portfolio-intro-inner p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.portfolio-stats-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
}

.portfolio-stat-pill {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    min-width: 140px;
    box-shadow: var(--shadow-sm);
}

.portfolio-stat-pill strong {
    display: block;
    font-size: var(--font-size-2xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.portfolio-stat-pill span {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

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

.portfolio-section.portfolio-alt {
    background: var(--gray-50);
}

.portfolio-section-header {
    margin-bottom: var(--spacing-2xl);
}

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

.portfolio-section-header p {
    max-width: 640px;
    margin-bottom: 0;
    color: var(--gray-600);
}

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

.portfolio-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
    /* Clip featured ::before gradient bar to rounded corners (prevents corner “spikes”) */
    overflow: hidden;
}

.portfolio-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.portfolio-card.featured {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
    position: relative;
}

.portfolio-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.portfolio-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.portfolio-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.portfolio-card h3 {
    font-size: var(--font-size-xl);
    margin: 0;
    color: var(--gray-900);
    flex: 1;
}

.portfolio-category {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent-cyan);
}

.portfolio-card > p {
    font-size: var(--font-size-sm);
    margin: 0;
    line-height: 1.55;
    color: var(--gray-600);
}

.portfolio-card-meta {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    margin-top: auto;
}

.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    flex-shrink: 0;
}

.status-production,
.status-live {
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
}

.status-active {
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary-blue);
}

.status-completed {
    background: var(--gray-100);
    color: var(--gray-700);
}

.status-development {
    background: rgba(245, 158, 11, 0.15);
    color: #b45309;
}

.status-research {
    background: rgba(139, 92, 246, 0.12);
    color: #6d28d9;
}

.status-hold {
    background: var(--gray-200);
    color: var(--gray-700);
}

.portfolio-capabilities {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.capability-item {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.capability-item h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.capability-item p {
    font-size: var(--font-size-sm);
    margin: 0;
    color: var(--gray-600);
}

/* Product Comparison */
.product-comparison {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.comparison-table {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    border-bottom: 1px solid var(--gray-200);
}

.comparison-row:last-child {
    border-bottom: none;
}

.feature-column,
.product-column,
.feature-cell,
.product-cell {
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.feature-column,
.feature-cell {
    justify-content: flex-start;
    text-align: left;
    font-weight: 500;
}

.product-column {
    font-weight: 600;
    color: var(--primary-blue);
}

.product-cell {
    font-size: var(--font-size-lg);
    color: var(--primary-blue);
}

/* About Sections */
.about-story {
    padding: var(--spacing-3xl) 0;
}

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

.story-text h2 {
    margin-bottom: var(--spacing-lg);
}

.story-text p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.story-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline {
    position: relative;
    padding-left: var(--spacing-2xl);
    max-width: 400px;
    width: 100%;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-2xl);
    padding-left: var(--spacing-md);
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(var(--spacing-md) * -1 - 10px);
    top: 5px;
    width: 16px;
    height: 16px;
    background: var(--primary-blue);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: 0 0 0 2px var(--primary-blue);
}

.timeline-year {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.timeline-content {
    color: var(--gray-600);
}

.mission-vision {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
}

.mv-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.mv-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--white);
}

.mv-icon svg {
    width: 40px;
    height: 40px;
    stroke-width: 2;
}

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

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.value-card {
    text-align: center;
    padding: var(--spacing-2xl);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--white);
}

.value-icon svg {
    width: 30px;
    height: 30px;
    stroke-width: 2;
}

.team {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.team-member {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.member-photo {
    margin-bottom: var(--spacing-lg);
}

.photo-placeholder {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--white);
}

.photo-placeholder svg {
    width: 60px;
    height: 60px;
    stroke-width: 1.5;
}

.member-role {
    color: var(--primary-blue);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.member-bio {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

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

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.achievement-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.achievement-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-3xl) 0;
}

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

.contact-form-container {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.contact-form-container h2 {
    margin-bottom: var(--spacing-md);
}

.contact-form-container p {
    margin-bottom: var(--spacing-xl);
    color: var(--gray-600);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: normal;
    margin-bottom: 0;
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    width: auto;
}

.contact-info {
    background: var(--gray-50);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    margin-bottom: var(--spacing-xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

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

.method-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.method-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.method-details h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.method-details p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
}

.method-note {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-bottom: 0;
}

.social-links h3 {
    margin-bottom: var(--spacing-md);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-blue);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-question h3 {
    margin: 0;
    font-size: var(--font-size-lg);
}

.faq-toggle {
    font-size: var(--font-size-2xl);
    font-weight: 300;
    color: var(--primary-blue);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item.active .faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    max-height: 200px;
}

/* CTA Section */
.cta {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-secondary);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: var(--gray-300);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    column-gap: 3rem;
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    margin-top: 0;
}

.footer-section:first-child p {
    margin-top: var(--spacing-md);
}

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

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

.footer-section a {
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--white);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.footer-logo .logo-icon {
    width: 50px;
    height: 50px;
    animation: logoFloat 3s ease-in-out infinite;
}

.footer-logo .logo-icon svg {
    width: 100%;
    height: 100%;
}

.footer-logo .logo {
    height: 50px;
    width: 50px;
    display: block;
    object-fit: contain;
    animation: glowPulse 2s ease-in-out infinite alternate;
}

.footer-logo .company-name {
    color: var(--white);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-400);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
        justify-items: center;
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
        text-align: center;
    }
    
    .hero-subtitle {
        text-align: center;
    }
    
    .service-content,
    .story-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .service-content {
        padding: 0 var(--spacing-md);
    }
    
    .service-info,
    .service-visual {
        padding: 0;
    }
    
    .service-info h2,
    .service-info p,
    .service-features {
        padding-left: 0;
        padding-right: 0;
    }
    
    .service-features {
        font-size: var(--font-size-base);
    }
    
    .tech-grid,
    .code-preview,
    .mobile-mockup {
        max-width: 100%;
        overflow: hidden;
    }
    
    .service-block.reverse .service-visual {
        display: none;
    }
    
    .service-block.reverse .service-info {
        max-width: 100%;
        padding: 0 var(--spacing-md);
        margin: 0 auto;
    }
    
    .service-info {
        padding: 0 var(--spacing-md);
    }
    
    .story-visual {
        justify-content: flex-start;
    }
    
    .timeline {
        max-width: 100%;
        margin: 0;
    }
    
    .service-block.reverse .service-info,
    .service-block.reverse .service-visual {
        order: unset;
    }
    
    .service-info,
    .service-visual {
        transform: translateY(20px);
    }
    
    .service-block.animate-in .service-info,
    .service-block.animate-in .service-visual {
        transform: translateY(0);
    }
    
    .product-card {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
    }
    
    .comparison-header .product-column:not(.feature-column),
    .comparison-row .product-cell:not(.feature-cell) {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-container {
        justify-content: space-between;
        position: relative;
        padding: var(--spacing-md) var(--spacing-md);
        min-height: 60px;
    }
    
    .nav-logo {
        position: relative;
        left: 0;
        transform: none;
        flex: 1;
        min-width: 0;
    }
    
    .nav-logo .logo {
        height: 32px;
    }
    
    .company-name {
        font-size: var(--font-size-base);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .nav-toggle {
        position: relative;
        right: 0;
        flex-shrink: 0;
        margin-left: var(--spacing-md);
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-2xl);
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        min-height: calc(100vh - 70px);
        padding-top: 90px;
        padding-bottom: var(--spacing-3xl);
        justify-content: center;
        align-items: center;
    }
    
    .hero-content {
        text-align: center;
        justify-items: center;
        width: 100%;
        max-width: 100%;
        padding: 0 var(--spacing-lg);
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, var(--font-size-4xl));
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        margin-bottom: var(--spacing-lg);
        line-height: 1.2;
        max-width: 90%;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        max-width: 85%;
        line-height: 1.6;
        margin-bottom: var(--spacing-xl);
        color: var(--gray-600);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 100%;
        gap: var(--spacing-md);
        margin-top: var(--spacing-md);
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    .hero-visual,
    .floating-elements {
        display: none;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .process-grid,
    .features-grid,
    .values-grid,
    .team-grid,
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mv-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .features-grid {
        gap: var(--spacing-xl);
    }
    
    .cta {
        padding: var(--spacing-2xl) 0;
    }
    
    .cta-content h2 {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-md);
    }
    
    .cta-content p {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
        column-gap: var(--spacing-xl);
    }
    
    .footer-section:first-child {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    
    .footer-logo {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-logo {
        gap: var(--spacing-sm);
    }
    
    .nav-logo .logo {
        height: 28px;
    }
    
    .company-name {
        font-size: var(--font-size-sm);
    }
    
    .hero {
        padding-top: 80px;
        padding-bottom: var(--spacing-2xl);
    }
    
    .hero-content {
        padding: 0 var(--spacing-md);
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 7vw, 2.25rem);
        margin-bottom: var(--spacing-md);
        max-width: 95%;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
        max-width: 90%;
        margin-bottom: var(--spacing-lg);
        line-height: 1.5;
    }
    
    .hero-buttons {
        gap: var(--spacing-sm);
        margin-top: var(--spacing-sm);
    }
    
    .btn-primary,
    .btn-secondary {
        max-width: 100%;
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .page-header {
        padding: 100px 0 var(--spacing-2xl);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .stat-item {
        padding: var(--spacing-md) 0;
    }
    
    .features {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
        padding: 0 var(--spacing-sm);
    }
    
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    .section-header p {
        font-size: var(--font-size-base);
    }
    
    .feature-card {
        padding: var(--spacing-xl);
    }
    
    .service-features li {
        font-size: var(--font-size-sm);
        line-height: 1.6;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .tech-item {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .iot-diagram {
        width: 250px;
        height: 250px;
    }
    
    .iot-node {
        min-width: 60px;
        font-size: var(--font-size-xs);
        padding: var(--spacing-sm);
    }
    
    .code-preview {
        padding: var(--spacing-md);
    }
    
    .code-line {
        font-size: var(--font-size-xs);
    }
    
    .mobile-mockup-inline {
        display: flex;
        justify-content: center;
        margin: var(--spacing-xl) 0;
    }
    
    .mobile-app-section .service-visual {
        display: none !important;
    }
    
    .phone-frame {
        width: 160px;
        height: 280px;
        padding: 15px;
    }
    
    .app-header,
    .app-feature {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs);
    }
    
    .process-grid {
        gap: var(--spacing-lg);
    }
    
    .process-step {
        padding: var(--spacing-lg);
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .footer-section {
        padding: var(--spacing-lg) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .footer-section:last-child {
        border-bottom: none;
    }
    
    .footer-section:first-child {
        grid-column: auto;
        padding-bottom: var(--spacing-xl);
    }
    
    .footer-logo {
        justify-content: center;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .footer-section h4 {
        margin-bottom: var(--spacing-md);
    }
}

/* Print Styles */
@media print {
    .navbar,
    .nav-toggle,
    .hero-visual,
    .floating-elements,
    .btn-primary,
    .btn-secondary {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .section-header,
    .hero-content,
    .service-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --gray-600: #000000;
        --gray-700: #000000;
        --gray-800: #000000;
        --gray-900: #000000;
    }
}

/* R&D Homepage Styles */

.hero-rnd {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: 64px;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

.hero-rnd-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-rnd-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.hero-rnd-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
    max-width: 560px;
}

.hero-rnd-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-rnd-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-rnd-image img {
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

/* About Snapshot */
.about-snapshot {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.about-snapshot-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about-snapshot-text h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
}

.about-snapshot-text p {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.link-arrow {
    font-weight: 500;
    color: var(--primary-blue);
    text-decoration: none;
}

.link-arrow:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

.about-snapshot-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.highlight-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
}

.highlight-item strong {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.highlight-item span {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.4;
}

/* Research Areas */
.research-areas {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

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

.section-header-left h2 {
    margin-bottom: var(--spacing-md);
}

.section-header-left p {
    max-width: 640px;
    margin: 0;
    color: var(--gray-600);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.research-card {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.research-card:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-md);
}

.research-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
}

.research-icon svg {
    width: 24px;
    height: 24px;
}

.research-body h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.research-body p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

/* Production Systems */
.production-systems {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.production-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.production-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: box-shadow var(--transition-normal);
}

.production-card:hover {
    box-shadow: var(--shadow-md);
}

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

.production-category {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent-cyan);
}

.production-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.production-card > p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.55;
    margin: 0 0 var(--spacing-md);
}

.production-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.production-cta {
    text-align: center;
}

/* Technology Stack */
.tech-stack {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

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

.tech-stack-group h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.tech-stack-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

/* Clients / Regions */
.clients-regions {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.clients-regions-inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.clients-regions-text h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
}

.clients-regions-text p {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    line-height: 1.7;
}

.region-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.region-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.region-card h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.region-card ul {
    list-style: none;
}

.region-card li {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--gray-100);
}

.region-card li:last-child {
    border-bottom: none;
}

/* Services Page — R&D Layout */

.page-header-light {
    padding: 120px 0 var(--spacing-3xl);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    text-align: center;
}

.page-header-light h1 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.page-header-light p {
    color: var(--gray-600);
    font-size: var(--font-size-lg);
    max-width: 640px;
    margin: 0 auto;
}

.services-overview {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.service-area {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--gray-200);
}

.service-area:last-child {
    border-bottom: none;
}

.service-area-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.service-area-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
}

.service-area-icon svg {
    width: 26px;
    height: 26px;
}

.service-area-title h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
}

.service-area-subtitle {
    font-size: var(--font-size-base);
    color: var(--gray-500);
    font-weight: 400;
}

.service-area-body > p {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    line-height: 1.7;
    max-width: 800px;
    margin-bottom: var(--spacing-xl);
}

.service-deliverables {
    margin-bottom: var(--spacing-xl);
}

.service-deliverables h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.service-deliverables ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm) var(--spacing-xl);
}

.service-deliverables li {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    padding-left: var(--spacing-md);
    position: relative;
    line-height: 1.55;
}

.service-deliverables li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--gray-400);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

/* How We Work */
.how-we-work {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.work-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.work-step {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: box-shadow var(--transition-normal);
}

.work-step:hover {
    box-shadow: var(--shadow-md);
}

.work-step-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.work-step h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.work-step p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.55;
    margin: 0;
}

/* Services Responsive */
@media (max-width: 1024px) {
    .service-deliverables ul {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .page-header-light {
        padding: 100px 0 var(--spacing-2xl);
    }

    .page-header-light h1 {
        font-size: var(--font-size-3xl);
    }

    .service-area-header {
        gap: var(--spacing-md);
    }

    .service-area-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
    }

    .service-area-icon svg {
        width: 22px;
        height: 22px;
    }

    .service-area-title h2 {
        font-size: var(--font-size-xl);
    }

    .service-area-subtitle {
        font-size: var(--font-size-sm);
    }

    .service-area {
        padding: var(--spacing-2xl) 0;
    }

    .work-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .service-area-header {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .service-area-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
    }

    .service-area-body > p {
        font-size: var(--font-size-sm);
    }
}

/* About Page — Project History */

.project-history {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.year-block {
    margin-bottom: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid var(--gray-200);
}

.year-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.year-block h3 {
    font-size: var(--font-size-2xl);
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.year-summary {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    line-height: 1.6;
    max-width: 800px;
    margin-bottom: var(--spacing-xl);
}

.project-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.project-item {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-100);
}

.project-item:last-child {
    border-bottom: none;
}

.project-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    flex-shrink: 0;
}

.tag-client {
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
}

.tag-personal {
    background: var(--gray-100);
    color: var(--gray-600);
}

.project-item strong {
    color: var(--gray-900);
    font-weight: 600;
    white-space: nowrap;
}

.project-desc {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.history-summary {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    text-align: center;
}

.history-summary p {
    margin: 0;
    color: var(--gray-700);
    font-size: var(--font-size-base);
}

/* About Responsive */
@media (max-width: 768px) {
    .project-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
        padding: var(--spacing-md) 0;
    }

    .project-desc {
        padding-left: 0;
    }

    .year-block h3 {
        font-size: var(--font-size-xl);
    }
}

/* R&D Responsive */
@media (max-width: 1024px) {
    .hero-rnd-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }

    .hero-rnd-subtitle {
        max-width: 100%;
    }

    .hero-rnd-image {
        order: -1;
    }

    .hero-rnd-image img {
        max-width: 360px;
    }

    .about-snapshot-inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

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

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

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

    .clients-regions-inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .region-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-rnd {
        padding-top: 100px;
        padding-bottom: var(--spacing-2xl);
    }

    .hero-rnd-title {
        font-size: var(--font-size-3xl);
    }

    .hero-rnd-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-rnd-buttons {
        justify-content: center;
    }

    .about-snapshot-highlights {
        grid-template-columns: 1fr 1fr;
    }

    .tech-stack-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .about-snapshot-highlights {
        grid-template-columns: 1fr;
    }

    .research-card {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .research-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
    }

    .research-icon svg {
        width: 20px;
        height: 20px;
    }
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

button:focus,
.btn-primary:focus,
.btn-secondary:focus {
    outline: 2px solid var(--accent-blue);
}