/* Neu.ai - Sales and Marketing Landing Page Styles */

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

:root {
    /* Brand Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;
    
    /* Neutral Colors */
    --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;
    
    /* 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-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 600;
    line-height: 1.2;
}

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

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: -webkit-inline-box;
    display: -webkit-inline-flex;
    display: -moz-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    -webkit-transition: all var(--transition-fast);
    -moz-transition: all var(--transition-fast);
    -o-transition: all var(--transition-fast);
    transition: all var(--transition-fast);
    white-space: nowrap;
    /* Fix for older browsers */
    line-height: 1.2;
    /* Prevent text selection */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
}

.nav-container {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-6);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.logo {
    height: 73px;
    width: auto;
    display: block;
    max-width: 100%;
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -ms-transform: translateZ(0);
    -o-transform: translateZ(0);
    transform: translateZ(0);
    -ms-interpolation-mode: bicubic;
}

.nav-links {
    display: flex;
    gap: var(--spacing-8);
}

.nav-link {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    gap: var(--spacing-4);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-20)) 0 var(--spacing-20);
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-16);
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.hero-content {
    max-width: 700px;
    text-align: left;
    padding: 0 var(--spacing-8);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--gray-100);
    border-radius: var(--radius-2xl);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-6);
}

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

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-10);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-top: var(--spacing-1);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

/* New Hero Visual Section */
.hero-image-container {
    position: relative;
    width: 100%;
    margin: 0 auto;
    animation: float 6s ease-in-out infinite;
    background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
}

.hero-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.25);
    background: transparent;
}

@supports (mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, black 60%, transparent 100%)) or (-webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, black 60%, transparent 100%)) {
    .hero-image {
        mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, black 60%, transparent 100%);
        -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, black 60%, transparent 100%);
    }
}

.hotspot {
    position: absolute;
    display: flex;
    align-items: center;
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
}

.hotspot-dot {
    width: 16px;
    height: 16px;
    background-color: var(--primary-color);
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.5);
    animation: pulse 2s infinite;
    flex-shrink: 0; /* Prevent dot from shrinking */
}

.hotspot-label {
    margin-left: 12px;
    padding: 6px 12px;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
    /* Fallback for browsers that don't support backdrop-filter */
    background-color: rgba(0, 0, 0, 0.85);
}

@supports (backdrop-filter: blur(4px)) or (-webkit-backdrop-filter: blur(4px)) {
    .hotspot-label {
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        background-color: rgba(0, 0, 0, 0.7);
    }
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(37, 99, 235, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* Stagger hotspot animations */
.hotspot:nth-child(2) { animation-delay: 0.2s; }
.hotspot:nth-child(3) { animation-delay: 0.4s; }
.hotspot:nth-child(4) { animation-delay: 0.6s; }

/* Responsive Adjustments */
@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    /* Hero Visual Section - Mobile Adjustments */
    .hero-visual {
        width: 100%;
        margin-top: var(--spacing-8);
        display: block;
    }
    
    .hero-image-container {
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
    }
    
    .hero-image {
        width: 100%;
        max-width: 100%;
        height: auto;
        display: block;
    }
    
    /* Adjust logo size for mobile */
    .logo {
        height: 58px;
    }
    
    .footer-logo {
        height: 58px;
        display: block;
        max-width: 100%;
        -webkit-transform: translateZ(0);
        -moz-transform: translateZ(0);
        -ms-transform: translateZ(0);
        -o-transform: translateZ(0);
        transform: translateZ(0);
        -ms-interpolation-mode: bicubic;
    }
    
    /* Mobile hotspot adjustments */
    .hotspot-label {
        display: none; /* Hide labels on small screens to avoid clutter */
    }
    
    .hotspot-dot {
        width: 12px;
        height: 12px;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    /* Further adjust logo size for small screens */
    .logo {
        height: 51px;
    }
    
    .footer-logo {
        height: 51px;
        display: block;
        max-width: 100%;
        -webkit-transform: translateZ(0);
        -moz-transform: translateZ(0);
        -ms-transform: translateZ(0);
        -o-transform: translateZ(0);
        transform: translateZ(0);
        -ms-interpolation-mode: bicubic;
    }
}

/* Security Section */
.security-section {
    padding: var(--spacing-24) 0;
    background-color: var(--gray-50);
}

.security-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-16);
    align-items: center;
}

.security-checklist {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
}

.checklist-item {
    border-left: 3px solid var(--primary-color);
    padding-left: var(--spacing-6);
}

.checklist-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0 0 var(--spacing-2) 0;
}

.checklist-description {
    color: var(--gray-600);
    margin: 0;
}

.security-layers-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    background-color: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.security-layer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
}

.layer-name {
    font-weight: 600;
    color: var(--gray-800);
}

.layer-tags {
    display: flex;
    gap: var(--spacing-2);
}

.layer-tags span {
    background-color: var(--gray-100);
    color: var(--gray-700);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .security-layout {
        grid-template-columns: 1fr;
    }
}

.security-score-wrapper, .security-score, .score-circle, .score-number, .score-total, .score-text, .security-content, .security-text, .security-visual, .security-feature, .security-feature-icon, .security-feature-content {
    display: none;
}

/* Demo Section */
.demo-section {
    padding: var(--spacing-24) 0;
}

.demo-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-16);
    align-items: center;
    margin-top: var(--spacing-16);
}

.demo-video {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: var(--gray-900);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    cursor: pointer;
    transition: background-color var(--transition-normal);
}

.video-placeholder:hover {
    background-color: var(--gray-800);
}

.play-button {
    margin-bottom: var(--spacing-4);
    transition: transform var(--transition-normal);
}

.video-placeholder:hover .play-button {
    transform: scale(1.1);
}

.demo-features h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin: 0 0 var(--spacing-4) 0;
}

.demo-features ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-8) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.demo-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.demo-features li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

@media (max-width: 768px) {
    .demo-content {
        grid-template-columns: 1fr;
    }
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-24) 0;
    background-color: var(--gray-900);
    color: white;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin: 0 0 var(--spacing-4) 0;
    color: white; /* Explicitly set color to ensure visibility */
}

.cta-description {
    color: var(--gray-300);
    font-size: var(--font-size-lg);
    margin: 0;
}

.cta-actions {
    margin-top: var(--spacing-8);
}

.cta-actions .btn {
    margin: var(--spacing-4) 0;
}

/* Architecture Section */
.architecture-section {
    padding: var(--spacing-24) 0;
}

/* Features Section */
.features-section {
    padding: var(--spacing-24) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-title {
    margin-bottom: var(--spacing-4);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.feature-card {
    padding: var(--spacing-8);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.feature-title {
    margin-bottom: var(--spacing-3);
}

.feature-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-4);
}

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

.feature-list li {
    position: relative;
    padding-left: var(--spacing-6);
    margin-bottom: var(--spacing-2);
    color: var(--gray-600);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-4);
    }
}

/* Scroll Effects & Animations */
.navbar {
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}
.navbar.hidden {
    transform: translateY(-100%);
}

/* Reveal on scroll utility */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Visibility Classes for JavaScript Control */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* Footer */
.footer {
    background-color: var(--gray-100);
    padding: var(--spacing-16) 0;
    font-size: var(--font-size-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.footer-content {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    margin-bottom: var(--spacing-12);
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: var(--spacing-8);
    width: 100%;
}

.footer-brand {
    max-width: 250px;
}

.footer-logo {
    height: 73px;
    width: auto;
    margin-bottom: var(--spacing-4);
    display: block;
    max-width: 100%;
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -ms-transform: translateZ(0);
    -o-transform: translateZ(0);
    transform: translateZ(0);
    -ms-interpolation-mode: bicubic;
}

.footer-description {
    color: var(--gray-600);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--spacing-12);
}

.footer-column h4 {
    font-weight: 600;
    color: var(--gray-800);
    margin: 0 0 var(--spacing-4) 0;
}

.footer-column a {
    display: block;
    color: var(--gray-600);
    text-decoration: none;
    margin-bottom: var(--spacing-3);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--gray-200);
    padding-top: var(--spacing-8);
    color: var(--gray-500);
    text-align: center;
    width: 100%;
}

.footer-bottom p {
    text-align: center;
    width: 100%;
    margin: 0;
}

.footer-social {
    display: flex;
    gap: var(--spacing-6);
}

.social-link {
    color: var(--gray-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.95);
    z-index: 1000;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    /* Fallback for older browsers */
    text-align: center;
    /* Backdrop filter with fallback */
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.modal.show {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
}

.modal-content {
    background-color: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    margin: 0 auto;
}

/* Case Studies Section */
.case-studies-section {
    padding: var(--spacing-24) 0;
    background-color: var(--gray-50);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-top: var(--spacing-16);
}

.case-study-card {
    background-color: white;
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.case-study-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.case-study-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0 0 var(--spacing-2) 0;
}

.case-study-description {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Demo Section */
.demo-section {
    padding: var(--spacing-24) 0;
}

/* Success Overlay Styles */
#success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.95);
    z-index: 2000;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    /* Fallback for older browsers */
    text-align: center;
    /* Backdrop filter with fallback */
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    /* Animation */
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity 0.3s ease, visibility 0.3s ease;
    -moz-transition: opacity 0.3s ease, visibility 0.3s ease;
    -o-transition: opacity 0.3s ease, visibility 0.3s ease;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#success-overlay.visible {
    opacity: 1;
    visibility: visible;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
}

#success-overlay.hidden {
    display: none !important;
}

/* Success Overlay Content */
#success-overlay .success-overlay-content {
    max-width: 600px;
    width: 90%;
    text-align: center;
    position: relative;
    padding: 2rem;
    /* Cross-browser compatibility */
    margin: 0 auto;
    /* Fallback for older browsers */
    display: block;
}

#success-overlay h1 {
    font-size: 2.25rem; /* Fallback for var() */
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: 1rem; /* Fallback for var() */
    margin-bottom: var(--spacing-4);
    color: white;
}

#success-overlay p {
    font-size: 1.125rem; /* Fallback for var() */
    font-size: var(--font-size-lg);
    color: #cbd5e1; /* Fallback for var() */
    color: var(--gray-300);
    margin-bottom: 2rem; /* Fallback for var() */
    margin-bottom: var(--spacing-8);
    line-height: 1.6;
}

/* SVG and Image Compatibility */
img,
svg {
    /* Ensure images and SVGs scale properly */
    max-width: 100%;
    height: auto;
    /* Fix for older IE versions */
    -ms-interpolation-mode: bicubic;
    /* Ensure proper alignment */
    vertical-align: middle;
    /* Prevent image dragging */
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
}

/* Specific SVG styling */
svg {
    /* Ensure SVGs scale properly */
    width: 100%;
    height: 100%;
    /* Fix for older browsers */
    display: inline-block;
}