/* Design Token System */
:root {
    /* Colors */
    --glass-bg: rgba(255, 255, 255, 0.4);
    --glass-bg-hover: rgba(255, 255, 255, 0.6);
    --blur: 12px;
    --blur-hover: 16px;
    --accent-blue: #56CCF2;
    --accent-blue-dark: #2F80ED;
    --accent-purple: #7F5AF0;
    --accent-cyan: #2CD9C5;
    --text-dark: #1A1F2B;
    --text-light: #666;
    --text-muted: #999;
    --bg-light: #F5F7FA;
    --bg-white: #FFFFFF;
    --border-color: rgba(255, 255, 255, 0.3);
    --border-color-hover: rgba(255, 255, 255, 0.5);
    
    /* Gradients */
    --gradient-blue: linear-gradient(135deg, #2F80ED, #56CCF2);
    --gradient-purple: linear-gradient(135deg, #7F5AF0, #56CCF2);
    --gradient-hero: linear-gradient(135deg, #F5F7FA 0%, #E8ECF0 50%, #F5F7FA 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 20px rgba(86, 204, 242, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-light);
    overflow-x: hidden;
    padding-top: 80px; /* Space for fixed navbar */
}

/* Navigation Header */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
    min-height: 60px;
}

.nav-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 1001;
    line-height: 1.2;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    flex-shrink: 0;
}

.nav-toggle-icon {
    width: 100%;
    height: 2.5px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

.nav-link:hover {
    color: var(--accent-blue-dark);
}

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

.nav-link.active {
    color: var(--accent-blue-dark);
}

.btn-sm {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--font-size-2xl);
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.section-text {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Reusable Components */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.glass-panel:hover {
    background: var(--glass-bg-hover);
    backdrop-filter: blur(var(--blur-hover));
    -webkit-backdrop-filter: blur(var(--blur-hover));
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-md);
}

.card-diagonal {
    transform: rotate(-3deg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--spacing-md);
    cursor: pointer;
}

.card-diagonal:hover {
    transform: rotate(0deg) scale(1.04);
    box-shadow: var(--shadow-lg);
    background: var(--glass-bg-hover);
    backdrop-filter: blur(var(--blur-hover));
    -webkit-backdrop-filter: blur(var(--blur-hover));
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
}

.btn-primary {
    background: var(--gradient-blue);
    color: white;
}

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

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

.btn-secondary:hover {
    background: var(--accent-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(86, 204, 242, 0.3);
}

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

.btn-outline:hover {
    background: var(--accent-blue);
    color: white;
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-glow:hover::before {
    width: 300px;
    height: 300px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-hero);
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 0.8;
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(86, 204, 242, 0.1) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(127, 90, 240, 0.1) 50%, transparent 70%);
    animation: float 20s infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(86, 204, 242, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(127, 90, 240, 0.15) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-5%, -5%) rotate(5deg); }
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 3px solid var(--accent-blue);
    border-bottom: 3px solid var(--accent-blue);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

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

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.overview-section {
    background: var(--bg-white);
}

.industries-list {
    margin: var(--spacing-lg) 0;
}

.industries-intro {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.industries-grid-simple {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    list-style: none;
    max-width: 900px;
    margin: 0 auto;
}

.industries-grid-simple li {
    padding: var(--spacing-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-base);
}

.industries-grid-simple li:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.section-highlight {
    font-size: var(--font-size-xl);
    font-weight: 600;
    text-align: center;
    color: var(--accent-blue-dark);
    margin-top: var(--spacing-lg);
}

/* Products Section */
.products-section {
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.product-card {
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.product-icon {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: white;
    z-index: 1;
    opacity: 0.9;
    transition: all var(--transition-base);
    margin-top: 4px;
}

.product-icon-flowx {
    background: var(--gradient-blue);
}

.product-icon-smartdocs {
    background: var(--gradient-purple);
}

.product-icon-ai {
    background: linear-gradient(135deg, #2CD9C5, #56CCF2);
}

.product-card:hover .product-icon {
    transform: scale(1.1) rotate(5deg);
    opacity: 1;
}

.product-card-content {
    flex: 1;
}

.product-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
    padding-right: 80px;
    margin-top: 4px;
}

.product-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
    line-height: 1.6;
}

.product-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
}

.feature-tag {
    padding: 6px 12px;
    background: rgba(86, 204, 242, 0.1);
    border: 1px solid rgba(86, 204, 242, 0.3);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    color: var(--accent-blue-dark);
}

/* Why We Exist Section */
.why-exist-section {
    background: var(--bg-white);
}

.why-exist-content {
    max-width: 900px;
    margin: 0 auto;
}

/* How We Connect Section */
.how-section {
    background: var(--bg-light);
}

.how-principles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.principle-item {
    padding: var(--spacing-md);
    text-align: center;
}

.principle-item h3 {
    font-size: var(--font-size-lg);
    color: var(--text-dark);
    font-weight: 500;
    line-height: 1.5;
    margin: 0;
}

/* Value Pillars Section */
.value-pillars-section {
    background: var(--bg-white);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pillar-card {
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
}

.pillar-card:hover {
    transform: translateY(-4px);
}

.pillar-title {
    font-size: var(--font-size-lg);
    color: var(--accent-blue-dark);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    line-height: 1.3;
}

.pillar-description {
    font-size: var(--font-size-base);
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* Use Cases Section */
.use-cases-section {
    background: var(--bg-light);
}

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

.use-case-card {
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
}

.use-case-card:hover {
    transform: translateY(-4px);
}

.use-case-title {
    font-size: var(--font-size-xl);
    color: var(--accent-blue-dark);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.use-case-description {
    font-size: var(--font-size-base);
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* Trusted Section */
.trusted-section {
    background: var(--bg-white);
}

.trusted-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.trusted-item {
    padding: var(--spacing-md);
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-weight: 500;
    color: var(--text-dark);
    transition: all var(--transition-base);
}

.trusted-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: var(--glass-bg-hover);
}

/* Why Section */
.why-section {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.feature-item h3 {
    color: var(--accent-blue-dark);
    margin-bottom: var(--spacing-md);
}

.feature-item ul {
    list-style: none;
    padding: 0;
}

.feature-item li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    position: relative;
    padding-left: var(--spacing-md);
}

.feature-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

/* Industries Grid */
.industries-section {
    background: var(--bg-white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.industry-card {
    position: relative;
    min-height: 200px;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transform: rotate(-3deg);
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
    color: var(--text-dark);
}

.industry-card:hover {
    transform: rotate(0deg) scale(1.05);
    box-shadow: var(--shadow-lg);
    background: var(--glass-bg-hover);
    backdrop-filter: blur(var(--blur-hover));
    -webkit-backdrop-filter: blur(var(--blur-hover));
    z-index: 10;
}

.industry-card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    opacity: 1;
}

.industry-card-description {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-base);
    line-height: 1.5;
}

.industry-card:hover .industry-card-description {
    opacity: 1;
    transform: translateY(0);
}

/* Contact Form */
.contact-section {
    background: var(--bg-light);
}

.contact-form {
    max-width: 600px;
    margin: var(--spacing-lg) auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-dark);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 0 3px rgba(86, 204, 242, 0.1);
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: var(--accent-cyan);
}

.form-group input:invalid:not(:placeholder-shown):not(:focus),
.form-group textarea:invalid:not(:placeholder-shown):not(:focus) {
    border-color: #ff4444;
}

.field-error {
    display: block;
    color: #ff4444;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    min-height: 20px;
}

.char-count {
    display: block;
    text-align: right;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: 8px;
    display: none;
}

.form-message.success {
    background: rgba(44, 217, 197, 0.1);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    display: block;
}

.form-message.error {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid #ff0000;
    color: #ff0000;
    display: block;
}

.btn-loader {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* CTA Section */
.cta-section {
    background: var(--bg-white);
}

.cta-content {
    text-align: center;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.cta-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

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

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

.product-ctas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.product-cta-item {
    text-align: center;
    padding: var(--spacing-md);
}

.product-cta-item h3 {
    color: var(--accent-blue-dark);
    margin-bottom: var(--spacing-xs);
}

.product-cta-item p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 31, 43, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity var(--transition-base);
    padding: var(--spacing-md);
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-container {
    position: relative;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    padding: 0;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-base);
    z-index: 10;
    font-weight: 300;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 1);
    transform: rotate(90deg) scale(1.1);
    box-shadow: var(--shadow-md);
}

.modal-content {
    color: var(--text-dark);
    padding: var(--spacing-xl);
}

.modal-product {
    position: relative;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(86, 204, 242, 0.2);
}

.modal-icon-wrapper {
    flex-shrink: 0;
}

.modal-product-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-2xl);
    color: white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: transform var(--transition-base);
}

.modal-icon-flowx {
    background: var(--gradient-blue);
}

.modal-icon-smartdocs {
    background: var(--gradient-purple);
}

.modal-icon-ai {
    background: linear-gradient(135deg, #2CD9C5, #56CCF2);
}

.modal-header-content {
    flex: 1;
}

.modal-header h2 {
    font-size: var(--font-size-3xl);
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
    line-height: 1.2;
}

.modal-subtitle {
    font-size: var(--font-size-lg);
    color: var(--accent-blue-dark);
    font-weight: 500;
    margin: 0;
}

.modal-body {
    line-height: 1.8;
}

.modal-intro-section {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(86, 204, 242, 0.05);
    border-radius: 12px;
    border-left: 4px solid var(--accent-blue);
}

.modal-intro {
    font-size: var(--font-size-lg);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.modal-intro strong {
    color: var(--accent-blue-dark);
    font-weight: 600;
}

.modal-body > p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.modal-benefits {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: 12px;
}

.modal-section-title {
    color: var(--accent-blue-dark);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.section-icon {
    font-size: var(--font-size-xl);
}

.benefits-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefits-list li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--text-dark);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.benefits-list li:last-child {
    border-bottom: none;
}

.benefits-list li:hover {
    padding-left: var(--spacing-xs);
    background: rgba(86, 204, 242, 0.03);
    border-radius: 8px;
    margin: 0 calc(-1 * var(--spacing-xs));
    padding-left: var(--spacing-xs);
    padding-right: var(--spacing-xs);
}

.benefit-icon {
    font-size: var(--font-size-xl);
    flex-shrink: 0;
    width: 32px;
    text-align: center;
}

.benefit-text {
    flex: 1;
    line-height: 1.6;
}

.modal-perfect-for {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: rgba(127, 90, 240, 0.05);
    border-radius: 12px;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.tag {
    padding: 10px 16px;
    background: rgba(86, 204, 242, 0.15);
    border: 1px solid rgba(86, 204, 242, 0.3);
    border-radius: 24px;
    font-size: var(--font-size-sm);
    color: var(--accent-blue-dark);
    font-weight: 500;
    transition: all var(--transition-base);
}

.tag:hover {
    background: rgba(86, 204, 242, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(86, 204, 242, 0.2);
}

.modal-quote-wrapper {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(86, 204, 242, 0.1) 0%, rgba(127, 90, 240, 0.1) 100%);
    border-radius: 16px;
    border: 1px solid rgba(86, 204, 242, 0.2);
    position: relative;
    overflow: hidden;
}

.modal-quote-wrapper::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: var(--spacing-md);
    font-size: 80px;
    color: rgba(86, 204, 242, 0.2);
    font-family: Georgia, serif;
    line-height: 1;
}

.modal-quote {
    font-style: italic;
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    font-size: var(--font-size-lg);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.modal-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid rgba(86, 204, 242, 0.2);
    text-align: center;
}

.modal-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 16px 32px;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.btn-arrow {
    transition: transform var(--transition-base);
}

.modal-cta-btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* Modal Scrollbar */
.modal-container::-webkit-scrollbar {
    width: 8px;
}

.modal-container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

.modal-container::-webkit-scrollbar-thumb {
    background: rgba(86, 204, 242, 0.3);
    border-radius: 4px;
}

.modal-container::-webkit-scrollbar-thumb:hover {
    background: rgba(86, 204, 242, 0.5);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.footer-heading {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

/* Success Animation */
@keyframes checkmark {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.form-message.success::before {
    content: '✓';
    display: inline-block;
    margin-right: var(--spacing-xs);
    animation: checkmark 0.5s ease;
}

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.1) 25%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(255, 255, 255, 0.1) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 8px;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-card {
    min-height: 200px;
    padding: var(--spacing-md);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.375rem;
        --font-size-xl: 1.125rem;
        --font-size-lg: 1rem;
        --font-size-base: 0.9375rem;
        --font-size-sm: 0.8125rem;
        --spacing-xl: 2.5rem;
        --spacing-lg: 1.5rem;
        --spacing-md: 1.25rem;
        --spacing-sm: 0.75rem;
    }
    
    body {
        padding-top: 70px;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .nav-content {
        flex-wrap: nowrap;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
        margin: 0;
        gap: 0;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: 1000;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links li {
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-links li:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
        width: 100%;
        text-align: left;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .btn-sm {
        display: none;
    }
    
    .hero {
        padding-top: 70px;
        min-height: 90vh;
    }
    
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.4;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .product-card {
        min-height: auto;
        padding: var(--spacing-md);
    }
    
    .product-card-content {
        padding-top: var(--spacing-xs);
    }
    
    .product-title {
        padding-right: 55px;
        font-size: 1.125rem;
        margin-bottom: var(--spacing-xs);
        line-height: 1.3;
    }
    
    .product-icon {
        width: 45px;
        height: 45px;
        font-size: 0.875rem;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .product-subtitle {
        font-size: 0.875rem;
        line-height: 1.5;
        margin-bottom: var(--spacing-sm);
    }
    
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-cta .btn {
        width: 100%;
        padding: 16px 24px;
        min-height: 44px;
        font-size: var(--font-size-base);
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cta-buttons .btn {
        width: 100%;
        padding: 16px 24px;
        min-height: 44px;
    }
    
    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .pillar-card {
        padding: var(--spacing-sm);
    }
    
    .pillar-title {
        font-size: 0.9375rem;
        line-height: 1.3;
        margin-bottom: 0.5rem;
    }
    
    .pillar-description {
        font-size: 0.8125rem;
        line-height: 1.4;
    }
    
    .how-principles {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .principle-item {
        padding: var(--spacing-sm);
    }
    
    .principle-item h3 {
        font-size: 0.9375rem;
        line-height: 1.4;
    }
    
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .use-case-card {
        padding: var(--spacing-sm);
    }
    
    .use-case-title {
        font-size: 1rem;
        line-height: 1.3;
        margin-bottom: 0.5rem;
    }
    
    .use-case-description {
        font-size: 0.8125rem;
        line-height: 1.4;
    }
    
    .section-text {
        font-size: 0.875rem;
        padding: 0 var(--spacing-sm);
        line-height: 1.5;
    }
    
    .section-title {
        font-size: 1.25rem;
        padding: 0 var(--spacing-sm);
        line-height: 1.3;
        margin-bottom: var(--spacing-sm);
    }
    
    .modal-container {
        max-width: 95vw;
        max-height: 95vh;
        margin: var(--spacing-sm);
        padding: 0;
    }
    
    .modal-content {
        padding: var(--spacing-md);
    }
    
    .modal-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-sm);
    }
    
    .modal-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .modal-subtitle {
        font-size: var(--font-size-base);
    }
    
    .modal-product-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
    
    .modal-close {
        width: 40px;
        height: 40px;
        font-size: 20px;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .modal-body {
        line-height: 1.5;
        font-size: 0.875rem;
    }
    
    .modal-intro-section {
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }
    
    .modal-intro {
        font-size: 0.875rem;
        line-height: 1.5;
        margin-bottom: var(--spacing-xs);
    }
    
    .modal-body > p {
        font-size: 0.875rem;
        line-height: 1.5;
        margin-bottom: var(--spacing-sm);
    }
    
    .modal-section-title {
        font-size: 1rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .benefits-list li {
        padding: var(--spacing-xs) 0;
        font-size: 0.875rem;
    }
    
    .benefit-icon {
        font-size: 1rem;
        width: 24px;
    }
    
    .benefit-text {
        font-size: 0.875rem;
        line-height: 1.4;
    }
    
    .modal-quote {
        font-size: 0.875rem;
        line-height: 1.5;
    }
    
    .modal-quote-wrapper {
        padding: var(--spacing-sm);
        margin: var(--spacing-md) 0;
    }
    
    .tags-list {
        gap: var(--spacing-xs);
    }
    
    .tag {
        padding: 6px 12px;
        font-size: 0.8125rem;
    }
    
    .modal-footer {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }
    
    .modal-cta-btn {
        padding: 12px 24px;
        font-size: 0.9375rem;
        width: 100%;
    }
    
    .btn {
        min-height: 44px;
        padding: 14px 20px;
    }
    
    .btn-outline {
        min-height: 44px;
        padding: 14px 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .why-exist-content {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.125rem;
        --font-size-xl: 1rem;
        --font-size-lg: 0.9375rem;
        --font-size-base: 0.875rem;
        --font-size-sm: 0.75rem;
        --spacing-xl: 2rem;
        --spacing-lg: 1.25rem;
        --spacing-md: 1rem;
        --spacing-sm: 0.625rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 0.9375rem;
        line-height: 1.4;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-md) 0;
    }
    
    .product-card {
        padding: 0.875rem;
    }
    
    .glass-panel {
        padding: var(--spacing-sm);
    }
    
    .pillars-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .product-title {
        padding-right: 50px;
        font-size: 1rem;
        line-height: 1.3;
    }
    
    .product-icon {
        width: 40px;
        height: 40px;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        font-size: 0.75rem;
    }
    
    .product-card {
        padding: var(--spacing-sm);
    }
    
    .product-subtitle {
        font-size: 0.8125rem;
        line-height: 1.4;
    }
    
    .product-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .section-title {
        font-size: 1.125rem;
        line-height: 1.3;
        margin-bottom: var(--spacing-sm);
    }
    
    .section-text {
        font-size: 0.8125rem;
        line-height: 1.4;
    }
    
    .nav-logo {
        font-size: 1.125rem;
        line-height: 1.2;
    }
    
    .nav-toggle {
        width: 36px;
        height: 36px;
    }
    
    .nav-toggle-icon {
        height: 3px;
    }
    
    .nav-content {
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 56px;
    }
    
    .nav-links {
        top: 60px;
    }
    
    .nav-link {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .btn-sm {
        padding: 10px 16px;
        min-height: 40px;
    }
    
    .modal-container {
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
    }
    
    .modal-content {
        padding: var(--spacing-sm);
    }
    
    .modal-header {
        margin-bottom: var(--spacing-sm);
        padding-bottom: var(--spacing-xs);
    }
    
    .modal-header h2 {
        font-size: 1.125rem;
    }
    
    .modal-subtitle {
        font-size: 0.8125rem;
    }
    
    .modal-product-icon {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .modal-body {
        font-size: 0.8125rem;
        line-height: 1.4;
    }
    
    .modal-intro {
        font-size: 0.8125rem;
        line-height: 1.4;
    }
    
    .modal-body > p {
        font-size: 0.8125rem;
        line-height: 1.4;
    }
    
    .modal-section-title {
        font-size: 0.9375rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .benefits-list li {
        padding: 6px 0;
        font-size: 0.8125rem;
    }
    
    .benefit-icon {
        font-size: 0.9375rem;
        width: 20px;
    }
    
    .benefit-text {
        font-size: 0.8125rem;
        line-height: 1.3;
    }
    
    .modal-quote {
        font-size: 0.8125rem;
        line-height: 1.4;
    }
    
    .modal-quote-wrapper {
        padding: var(--spacing-xs);
        margin: var(--spacing-sm) 0;
    }
    
    .tag {
        padding: 4px 8px;
        font-size: 0.75rem;
    }
    
    .modal-cta-btn {
        padding: 12px 18px;
        font-size: 0.875rem;
    }
    
    .cta-content {
        padding: var(--spacing-md);
    }
    
    .cta-title {
        font-size: 1.25rem;
        line-height: 1.3;
        margin-bottom: var(--spacing-sm);
    }
    
    .cta-text {
        font-size: 0.875rem;
        line-height: 1.5;
        margin-bottom: var(--spacing-md);
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}