/* ======================================
   Modern SaaS Design Tokens & Reset
   PERMANENT DARK MODE - NO TOGGLE
   ====================================== */
:root {
    /* Base Backgrounds - Deep Space Navy */
    --color-bg-main: #020617;
    /* Almost black */
    --color-bg-secondary: #0f172a;
    /* Dark Slate for sections */
    --color-bg-card: #1e293b;
    /* Slightly lighter for cards */
    --surface-color: var(--color-bg-card);
    --surface-color-hover: #334155;
    /* Lighter slate */

    /* Text Colors - High Contrast */
    --color-text-main: #f8fafc;
    /* Pure White/Off-White */
    --color-text-muted: #94a3b8;
    /* Readable Light Gray */

    /* Accents */
    --color-primary: #3b82f6;
    /* Vibrant Blue */
    --color-primary-dark: #2563eb;
    --color-primary-light: rgba(59, 130, 246, 0.15);
    --color-accent: #f59e0b;
    /* Amber for "Beta" urgency */
    --color-accent-soft: rgba(245, 158, 11, 0.2);
    --color-success: #10b981;

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-strong: rgba(255, 255, 255, 0.2);

    /* Typography */
    --font-primary: 'Inter', 'SF Pro Text', 'SF Pro Display', system-ui, -apple-system, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1.25rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Radius */
    --radius-sm: 0.4rem;
    --radius-md: 0.8rem;
    --radius-lg: 1.2rem;
    --radius-pill: 999px;

    /* Shadows - Dark Mode */
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 18px 35px rgba(0, 0, 0, 0.7);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 220ms ease;
    --transition-slow: 320ms ease;
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Prevent text selection */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Allow selection in form inputs */
input, textarea {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* ======================================
   Site Header
   ====================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(2, 6, 23, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #f8fafc 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

@media (max-width: 768px) {
    .site-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .header-content {
        justify-content: space-between;
    }
    
    .site-logo {
        font-size: 1.1rem;
        line-height: 44px;
        height: 44px;
        display: flex;
        align-items: center;
    }
}

/* ======================================
   Typography
   ====================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-text-main);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 2.5rem);
}

h2 {
    font-size: 1.6rem;
}

h3 {
    font-size: 1.4rem;
}

h4 {
    font-size: 1.2rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-main);
    font-size: 1rem;
    line-height: 1.6;
}

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

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

.text-max {
    max-width: 65ch;
    margin: 0 auto;
}

/* ======================================
   Layout
   ====================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: 5rem 0;
}

/* ======================================
   Buttons
   ====================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.95rem 2.1rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff !important;
    font-weight: 700;
    border: none;
    box-shadow: none;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    transform: translateY(-2px);
    background: var(--color-primary-dark);
    color: #ffffff !important;
    box-shadow: none;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-main);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.1rem 2.6rem;
    font-size: 1.05rem;
}

/* ======================================
   Hero
   ====================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px; /* Space for fixed header */
    background: radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.15), transparent 32%),
        radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.1), transparent 30%),
        linear-gradient(135deg, var(--color-bg-main) 0%, var(--color-bg-secondary) 100%);
    overflow: hidden;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    position: relative;
}

.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.95rem;
    background: var(--color-primary-light);
    border: 1px solid rgba(59, 130, 246, 0.35);
    color: var(--color-primary);
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.badge-icon {
    font-size: 1.2rem;
}

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

.brand-name {
    font-size: clamp(2.8rem, 4vw, 3.6rem);
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, #f8fafc, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-tagline {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin: var(--spacing-sm) 0 var(--spacing-md);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-main);
    margin-bottom: var(--spacing-xl);
}

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

.hero-trust-text {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-top: var(--spacing-md);
}

/* Hero Stats Bar - DARK BACKGROUND */
.trust-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.trust-stats .stat-number {
    color: var(--color-primary);
}

.trust-stats .stat-label {
    color: var(--color-text-muted);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-xs);
    color: var(--color-text-main);
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.stat-warning .stat-number {
    color: var(--color-accent);
}

.stat-warning {
    background: var(--color-accent-soft);
    border-radius: var(--radius-md);
}

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

/* ========================================= */
/*       MOBILE-FOCUSED SECTION OPTIMIZATIONS */
/* ========================================= */
@media (max-width: 768px) {
    /* Hero section optimizations */
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
        padding-bottom: var(--spacing-lg);
    }
    
    .hero-container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .hero-content {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-cta-container {
        margin-top: var(--spacing-lg);
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
        width: 100%;
    }
    
    /* Better spacing for mobile */
    .section-header {
        margin-bottom: var(--spacing-xl);
        padding: 0 var(--spacing-sm);
    }
    
    /* Problem section optimizations */
    .problem-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Features section optimizations */
    .features-list {
        gap: var(--spacing-xl);
    }
    
    .feature-row {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .feature-row.reverse {
        flex-direction: column;
    }
    
    .feature-visual {
        order: -1; /* Show image first on mobile */
    }
    
    /* Testimonials optimizations */
    .testimonials-grid {
        gap: var(--spacing-md);
    }
    
    /* FAQ optimizations */
    .faq-list {
        gap: var(--spacing-sm);
    }
    
    /* Beta section optimizations */
    .beta-benefits {
        gap: var(--spacing-md);
    }
    
    /* Footer optimizations */
    .footer-content {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    /* Extra small screen optimizations */
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .trust-badges {
        flex-direction: column;
        align-items: center;
    }
    
    /* Smaller spacing on very small screens */
    section {
        padding: var(--spacing-xl) 0;
    }
}

/* ========================================= */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    margin-bottom: var(--spacing-xs);
    font-size: 2rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

/* ======================================
   Grids & Cards - ALL DARK
   ====================================== */
.problem-section,
.audience-section {
    background: var(--color-bg-secondary);
}

.features-section {
    background: var(--color-bg-main);
}

.problem-grid,
.features-grid,
.audience-grid,
.beta-benefits {
    display: grid;
    gap: var(--spacing-lg);
}

.problem-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.audience-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.beta-benefits {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.problem-card,
.feature-card,
.benefit-item,
.audience-card {
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    color: var(--color-text-main);
}

.problem-card {
    padding: var(--spacing-md);
}

.feature-card {
    margin-bottom: var(--spacing-xl);
}

.problem-card:hover,
.feature-card:hover,
.benefit-item:hover,
.audience-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-color-strong);
}

.problem-icon,
.audience-emoji,
.feature-icon,
.benefit-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    /* Default icon color */
}

.problem-icon svg,
.audience-emoji svg,
.feature-icon svg,
.benefit-icon svg {
    width: 2.5rem;
    height: 2.5rem;
    stroke-width: 1.5;
}

.problem-card h3,
.feature-card h3,
.audience-card h3 {
    color: var(--color-text-main);
}

.problem-card p,
.feature-card p,
.audience-card p {
    color: var(--color-text-muted);
}

.feature-card {
    position: relative;
}

.feature-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--color-primary-light);
    color: var(--color-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    padding: 0.35rem 0.8rem;
    font-size: 0.8rem;
    font-weight: 700;
}

.feature-highlight {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(59, 130, 246, 0.2));
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: var(--shadow-md);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0 0;
}

.feature-list li {
    position: relative;
    padding-left: 1.4rem;
    color: var(--color-text-main);
    margin-bottom: 0.5rem;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

/* ======================================
   Solution Bridge & Beta - DARK
   ====================================== */
.solution-bridge {
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-main) 100%);
    color: var(--color-text-main);
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.bridge-content h2 {
    color: var(--color-text-main);
}

.bridge-content p {
    color: var(--color-text-muted);
}

.beta-section {
    background: linear-gradient(135deg, var(--color-bg-main) 0%, var(--color-bg-secondary) 100%);
    color: var(--color-text-main);
}

.beta-content {
    text-align: center;
}

.beta-content h2 {
    font-size: clamp(2.1rem, 3vw, 2.6rem);
    color: var(--color-text-main);
}

.beta-subtitle {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.benefit-item {
    background: var(--color-bg-card);
    border-color: var(--border-color);
    color: var(--color-text-main);
}

.benefit-item h4 {
    color: var(--color-text-main);
}

.benefit-item p {
    color: var(--color-text-muted);
}

.beta-cta {
    margin-top: 4rem;
}

.beta-cta .btn-primary {
    background: var(--color-primary);
    color: #ffffff;
    font-weight: 700;
    border: none;
    box-shadow: none;
}

.beta-cta .btn-primary:hover {
    transform: translateY(-2px);
    background: var(--color-primary-dark);
    box-shadow: none;
}

.beta-note {
    color: #a0a0a0;
    font-size: 0.95rem;
    margin-top: var(--spacing-md);
}

/* ======================================
   Final CTA - Accent Color
   ====================================== */
.final-cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    text-align: center;
}

.final-cta-content h2 {
    color: #fff;
}

.final-cta-content>p,
.urgency-text {
    color: rgba(255, 255, 255, 0.9);
}

.urgency-text {
    font-weight: 600;
}

/* ======================================
   Beta Form Section - DARK
   ====================================== */
.beta-form-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-3xl) 0;
}

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

.beta-form-content h2 {
    color: var(--color-text-main);
    margin-bottom: var(--spacing-sm);
}

.beta-form-content>p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.signup-form {
    margin-top: var(--spacing-lg);
}

.form-group {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.form-group input[type="email"] {
    flex: 1;
    min-width: 280px;
    max-width: 400px;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    background: var(--color-bg-card);
    color: var(--color-text-main);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input[type="email"]::placeholder {
    color: var(--color-text-muted);
}

.form-group input[type="email"]:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ======================================
   Footer - DARK
   ====================================== */
.footer {
    background: var(--color-bg-main);
    color: var(--color-text-muted);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    color: var(--color-text-main);
    font-size: 1.4rem;
}

.footer-tagline {
    color: var(--color-text-muted);
}

.footer-column h4 {
    color: var(--color-text-main);
    margin-bottom: var(--spacing-sm);
}

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

.footer-column li {
    margin-bottom: 0.45rem;
}

.footer-column a {
    color: var(--color-text-muted);
}

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

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

.footer-trust {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

/* ======================================
   Animations
   ====================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ======================================
   Trust Badges Section
   ====================================== */
.trust-badges-section {
    background: var(--color-bg-main);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trust-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.trust-badge-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    color: var(--color-text-main);
    font-weight: 500;
    font-size: 0.95rem;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.trust-badge-item:hover {
    transform: translateY(-2px);
    border-color: var(--color-primary);
}

.trust-icon {
    display: inline-flex;
    align-items: center;
}

.trust-icon svg {
    width: 1.2rem;
    height: 1.2rem;
    stroke-width: 2;
}

/* ======================================
   Testimonials Section
   ====================================== */
.testimonials-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-3xl) 0;
}

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

.testimonial-card {
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.testimonial-quote {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--color-text-main);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.testimonial-quote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: -5px;
    font-size: 3rem;
    color: var(--color-primary);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.testimonial-name {
    font-weight: 600;
    color: var(--color-text-main);
}

.testimonial-title {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ======================================
   FAQ Section
   ====================================== */
.faq-section {
    background: var(--color-bg-main);
    padding: var(--spacing-3xl) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.faq-item:hover {
    transform: translateY(-2px);
    border-color: var(--color-primary);
}

.faq-question {
    color: var(--color-text-main);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.faq-question::before {
    content: '?';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.faq-answer {
    color: var(--color-text-muted);
    padding-left: calc(24px + var(--spacing-xs));
    line-height: 1.6;
}

/* ======================================
   Responsive
   ====================================== */
@media (max-width: 992px) {
    section {
        padding: 4rem 0;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    h1 {
        font-size: clamp(2.2rem, 5vw, 2.8rem);
    }

    h2 {
        font-size: 1.8rem;
    }

    .hero-content {
        text-align: center;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        max-width: 100%;
        /* Full width on mobile */
    }

    .beta-benefits {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Better grid for badges on mobile instead of long stack */
    .trust-badges {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }

    .trust-badge-item {
        justify-content: center;
        font-size: 0.85rem;
    }

    .testimonials-grid,
    .faq-grid,
    .problem-grid,
    .features-grid,
    .audience-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        margin-bottom: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    section {
        padding: 3rem 0;
    }

    .hero {
        padding-top: 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    .brand-name {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.25rem;
    }

    /* Stack badges fully on very small screens if needed, or keep 2-col */
    .trust-badges {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* ======================================
   Print
   ====================================== */
@media print {

    .beta-badge,
    .btn,
    .hero-cta,
    .beta-cta,
    .final-cta-section {
        display: none;
    }

    section {
        page-break-inside: avoid;
    }
}

/* ======================================
   Product Images
   ====================================== */
.hero-image-container {
    margin-top: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    position: relative;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
}

.feature-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.feature-card:hover .feature-image {
    transform: scale(1.02);
}

/* ======================================
   Sticky Mobile CTA
   ====================================== */
.mobile-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--color-bg-main);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

@media (max-width: 768px) {
    .mobile-sticky-cta {
        display: block;
        animation: fadeInUp 0.5s ease-out;
    }

    /* Add padding to body so footer content isn't covered */
    body {
        padding-bottom: 80px;
    }
}

/* Remove testimonial quotes */
.testimonial-quote::before {
    content: none !important;
}

/* ========================================= */
/*       MOBILE-FIRST DESIGN APPROACH        */
/* ========================================= */

/* Start with mobile defaults */
body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    -webkit-overflow-scrolling: touch;
}

/* Mobile-first typography */
h1 {
    font-size: 2.2rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.6rem;
    line-height: 1.2;
    margin-bottom: 0.8rem;
}

h3 {
    font-size: 1.4rem;
    line-height: 1.3;
    margin-bottom: 0.6rem;
}

p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

/* Mobile-first layout containers */
.container {
    width: 100%;
    padding: 0 var(--spacing-md);
    margin: 0 auto;
}

section {
    padding: 2.5rem 0;
}

/* Mobile-first cards and content */
.problem-card,
.feature-card,
.benefit-item,
.audience-card {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

/* ========================================= */
/*       MOBILE RESPONSIVE BREAKPOINTS       */
/* ========================================= */
@media (min-width: 481px) {
    /* Tablet and small desktop adjustments */
    .container {
        max-width: 800px;
        padding: 0 var(--spacing-lg);
    }
    
    section {
        padding: 3.5rem 0;
    }
    
    h1 {
        font-size: clamp(2.2rem, 4vw, 2.8rem);
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero-cta {
        flex-direction: row;
        gap: var(--spacing-md);
    }
    
    .btn {
        width: auto;
        max-width: 300px;
    }
}

@media (min-width: 769px) {
    /* Desktop layout */
    .container {
        max-width: 1200px;
        padding: 0 var(--spacing-lg);
    }
    
    section {
        padding: 5rem 0;
    }
    
    h1 {
        font-size: clamp(2.5rem, 5vw, 3.5rem);
    }
    
    h2 {
        font-size: 2rem;
    }
    
    /* Desktop-specific layouts */
    .cta-buttons {
        flex-direction: row;
        gap: var(--spacing-md);
        width: auto;
    }
    
    .btn-full-mobile {
        width: auto;
    }
    
    .testimonials-grid,
    .faq-grid,
    .problem-grid,
    .features-grid,
    .audience-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* ========================================= */
/*       TOUCH TARGET OPTIMIZATIONS          */
/* ========================================= */
@media (max-width: 768px) {
    .btn {
        min-height: 44px;
        min-width: 44px;
        padding: 1.1rem 1.8rem;
    }
    
    a,
    button,
    input,
    select,
    textarea {
        min-height: 44px;
        min-width: 44px;
    }
}

/* ========================================= */
/*       ACCESSIBILITY ENHANCEMENTS          */
/* ========================================= */
@media (max-width: 768px) {
    button:focus,
    input:focus,
    select:focus,
    textarea:focus,
    a:focus {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
    }
    
    /* Touch interface optimizations */
    .btn:active {
        transform: scale(0.95);
    }
    
    /* Reduce motion for accessibility */
    @media (prefers-reduced-motion: reduce) {
        * {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
    }
}

/* ========================================= */
/*       MOBILE NAVIGATION MENU              */
/* ========================================= */
.mobile-menu-toggle {
    display: none;
    position: static;
    z-index: 1001;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-main);
    flex-shrink: 0;
}

.mobile-menu-toggle:hover {
    background: var(--color-bg-card);
    border-color: var(--color-primary);
}

.mobile-nav-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-bg-main);
    z-index: 1000;
    transition: left 0.3s ease;
    padding-top: 60px;
    overflow-y: auto;
}

.mobile-nav-menu.active {
    left: 0;
}

.mobile-nav-content {
    padding: var(--spacing-lg);
    height: 100%;
}

.mobile-nav-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.mobile-nav-close button {
    background: none;
    border: none;
    color: var(--color-text-main);
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.mobile-nav-list a {
    display: block;
    padding: var(--spacing-md);
    color: var(--color-text-main);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.mobile-nav-list a:hover {
    background: var(--surface-color-hover);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
}

/* ========================================= */
/*       MOBILE-FRIENDLY FORM ELEMENTS       */
/* ========================================= */
@media (max-width: 768px) {
    .form-group {
        flex-direction: column;
        gap: var(--spacing-md);
        width: 100%;
    }
    
    .form-group input[type="email"] {
        min-width: 100%;
        max-width: 100%;
        width: 100%;
        padding: 1.1rem 1.25rem;
        font-size: 1.1rem; /* Larger text for readability */
        min-height: 48px; /* Minimum touch target size */
        border-radius: var(--radius-pill);
    }
    
    .form-group .btn {
        min-height: 48px;
        padding: 1.1rem 1.8rem;
    }
    
    .form-note {
        font-size: 0.85rem;
        text-align: center;
    }
    
    /* Increase form container spacing */
    .beta-form-content {
        padding: var(--spacing-lg);
    }
    
    /* Better spacing for mobile forms */
    .signup-form {
        margin-top: var(--spacing-md);
    }
}

/* ========================================= */
/*       IMAGE LAZY LOADING STYLES           */
/* ========================================= */
img[data-src] {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

img.loaded {
    opacity: 1;
}

/* ========================================= */
/*       USER REQUESTED REFINEMENTS          */
/* ========================================= */

/* Hero Refinements */
.hero-cta-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    width: 100%;
    justify-content: center;
}

.hero-image-section {
    padding-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .cta-buttons {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
    }

    .btn-full-mobile {
        width: 100%;
        display: block;
        text-align: center;
    }

    .hero-image-container {
        padding: 0 var(--spacing-md);
    }
}

/* Problem Compact Cards */
.compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.compact-card {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.compact-card .problem-icon {
    padding: 0;
    background: none;
    width: auto;
    height: auto;
    display: inline-flex;
    align-items: center;
}

.compact-card .problem-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    stroke-width: 2;
    color: var(--color-primary);
}

/* Solution Info Bar */
.info-bar {
    background: color-mix(in srgb, var(--primary-color), transparent 90%);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-lg);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-color-primary);
    margin: var(--spacing-xl) 0;
    text-align: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--primary-color-light);
}

/* Features List (Rows) */
.features-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xxl);
}

.feature-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.feature-content {
    flex: 1;
}

.feature-visual {
    flex: 1;
}

.feature-visual img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: auto;
}

.screenshot-label {
    display: inline-block;
    margin-top: var(--spacing-md);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-color-tertiary);
    background: var(--surface-color-hover);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

@media (max-width: 768px) {

    .feature-row,
    .feature-row.reverse {
        flex-direction: column-reverse !important;
        /* Visual on top */
        gap: var(--spacing-lg);
    }

    .feature-content {
        text-align: left;
    }
}

/* Testimonials (Hidden as per user request) */
#testimonials {
    display: none !important;
}

.testimonial-card {
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-color-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-style: italic;
}

.author-details {
    display: flex;
    flex-direction: column;
}

.testimonial-role {
    font-size: 0.85rem;
    color: var(--text-color-tertiary);
}

/* FAQ Accordion */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.faq-item[open] {
    background: var(--surface-color-hover);
}

.faq-question {
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0;
}

/* Hide default triangle */
.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.faq-item[open] .faq-question::after {
    content: '-';
}

.faq-answer {
    margin-top: var(--spacing-sm);
    color: var(--text-color-secondary);
    line-height: 1.5;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

/* Footer / trust */
.footer-trust {
    font-size: 0.9rem;
    color: var(--text-color-tertiary);
    margin-bottom: 4px;
}

/* ========================================= */
/*       PREMIUM ANIMATIONS                  */
/* ========================================= */

/* 1. Sticky Stacking (Deck Effect) */
.features-list {
    position: relative;
    /* Ensure container allows sticky children */
}

.feature-row {
    position: sticky;
    top: 100px;
    /* Stick offset from viewport top */
    background: var(--surface-color);
    /* Solid background to cover cards below */
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xxl);
    /* Spacing for natural scroll flow */
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    /* Ensure it looks like a card */
}

/* Ensure subsequent cards have higher stacking context if needed (default DOM order usually works for sticky) */
.feature-row:nth-child(1) {
    top: 120px;
}

.feature-row:nth-child(2) {
    top: 140px;
}

.feature-row:nth-child(3) {
    top: 160px;
}

.feature-row:nth-child(4) {
    top: 180px;
}

/* 2. Spotlight Glow (Hover Effect) */
.spotlight-card {
    overflow: hidden;
    /* Contain the glow */
}

/* Only apply relative positioning to non-sticky cards to avoid breaking sticky behavior */
.spotlight-card:not(.feature-row) {
    position: relative;
}

/* The Glow Overlay */
.spotlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(255, 255, 255, 0.06),
            transparent 40%);
    z-index: 3;
    /* Above content? Or backdrop? Usually backdrop. 
                   If content has z-index, this might overlay it. 
                   Let's use pointer-events: none to not block interaction. */
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.spotlight-card:hover::before {
    opacity: 1;
}

/* Dark mode specific glow adjustment if needed */
@media (prefers-color-scheme: light) {
    .spotlight-card::before {
        background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
                rgba(0, 0, 0, 0.05),
                transparent 40%);
    }
}

/* Mobile: Enable Sticky with vertical layout */
@media (max-width: 768px) {
    .features-list {
        position: relative;
    }
    
    .feature-row {
        position: sticky;
        flex-direction: column;
        margin-bottom: var(--spacing-3xl);
        background: var(--surface-color);
        padding: var(--spacing-lg);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }
    
    /* Adjusted sticky offsets for mobile */
    .feature-row:nth-child(1) {
        top: 60px;
    }
    
    .feature-row:nth-child(2) {
        top: 80px;
    }
    
    .feature-row:nth-child(3) {
        top: 100px;
    }
    
    .feature-row:nth-child(4) {
        top: 120px;
    }

    .feature-row.reverse {
        flex-direction: column;
    }
    
    .feature-content {
        order: 2;
    }
    
    .feature-visual {
        order: 1;
        margin-bottom: var(--spacing-md);
    }
    
    .feature-visual img {
        border-radius: var(--radius-md);
    }
}

/* ========================================= */
/*       INFINITE STACKING CAROUSEL          */
/* ========================================= */

.stack-carousel-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xxl) 0;
    overflow: hidden;
    /* Prevent animation overflow */
}

.stack-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 320px;
    /* Fixed height container */
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.stack-cards {
    position: relative;
    width: 100%;
    height: 100%;
    perspective: 1000px;
}

.stack-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--surface-color);
    /* Matches opaque fix */
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    transform-origin: center bottom;
    /* Glass feel on borders only */
}

.stack-card-content {
    text-align: center;
}

.stack-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.stack-icon svg {
    width: 3rem;
    height: 3rem;
    stroke-width: 1.5;
}

.stack-card h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.stack-card p {
    color: var(--color-text-muted);
}

/* Position States */
/* Position States */
.stack-card[data-pos="0"] {
    z-index: 10;
    transform: scale(1) translate(0, 0);
    opacity: 1;
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.4);
    border-color: var(--color-primary);
}

.stack-card[data-pos="1"] {
    z-index: 9;
    transform: scale(0.95) translate(20px, -20px);
    opacity: 0.7;
    box-shadow: var(--shadow-sm);
}

.stack-card[data-pos="2"] {
    z-index: 8;
    transform: scale(0.90) translate(40px, -40px);
    opacity: 0.4;
    box-shadow: none;
}

.stack-card[data-pos="3"] {
    z-index: 7;
    transform: scale(0.85) translate(60px, -60px);
    opacity: 0;
    pointer-events: none;
    box-shadow: none;
}

/* Card exits to the right (when going NEXT) */
.stack-card.exit-right {
    transform: translateX(120%) rotate(6deg) !important;
    opacity: 0 !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    z-index: 100 !important;
}

/* Card starts off-screen right (before entering when going PREV) */
.stack-card.enter-from-right {
    transform: translateX(120%) rotate(6deg) !important;
    opacity: 0 !important;
    transition: none !important;
    z-index: 10 !important;
}

/* Card animates back to position (when going PREV) */
.stack-card.entering {
    transform: scale(1) translate(0, 0) !important;
    opacity: 1 !important;
    transition: all 0.4s cubic-bezier(0.2, 0, 0.2, 1) !important;
    z-index: 10 !important;
}

/* Desktop Navigation - Hide mobile nav, show side buttons */
.stack-navigation {
    display: none;
}

/* Desktop Prev/Next Buttons - Symmetrical on sides */
.stack-prev-btn-desktop,
.stack-next-btn-desktop {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-bg-card);
    border: 2px solid var(--border-color);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 20;
}

.stack-prev-btn-desktop {
    left: -80px;
}

.stack-next-btn-desktop {
    right: -80px;
}

.stack-prev-btn-desktop:hover,
.stack-next-btn-desktop:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.5);
    transform: translateY(-50%) scale(1.08);
}

.stack-prev-btn-desktop:focus,
.stack-next-btn-desktop:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.stack-prev-btn-desktop:disabled,
.stack-next-btn-desktop:disabled {
    opacity: 0.25;
    cursor: not-allowed;
    pointer-events: none;
}

.stack-prev-btn-desktop:disabled:hover,
.stack-next-btn-desktop:disabled:hover {
    transform: translateY(-50%);
    box-shadow: var(--shadow-md);
}

/* Mobile Navigation Buttons */
.stack-prev-btn,
.stack-next-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-bg-card);
    border: 2px solid var(--border-color);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.stack-prev-btn:hover,
.stack-next-btn:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
    transform: scale(1.1);
}

.stack-prev-btn:focus,
.stack-next-btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.stack-prev-btn:disabled,
.stack-next-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
    transform: scale(1);
}

/* Pagination Dots - Polished pill style */
.stack-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-color);
}

.stack-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

.stack-dot:hover {
    background: rgba(59, 130, 246, 0.5);
    transform: scale(1.3);
}

.stack-dot.active {
    background: var(--color-primary);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
    transform: scale(1.3);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    /* Hide desktop buttons, show mobile navigation */
    .stack-prev-btn-desktop,
    .stack-next-btn-desktop {
        display: none;
    }
    
    .stack-navigation {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
    
    .stack-wrapper {
        height: auto;
        min-height: 320px;
        width: 100%;
        padding: 0 1rem;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .stack-cards {
        height: 280px;
        width: 100%;
    }
    
    .stack-prev-btn,
    .stack-next-btn {
        width: 44px;
        height: 44px;
    }

    .stack-card {
        padding: var(--spacing-lg);
    }
    
    .stack-carousel-container {
        padding-bottom: var(--spacing-lg);
    }
    
    .stack-dot {
        width: 12px;
        height: 12px;
    }
    
    .stack-dots {
        padding: 8px 16px;
        gap: 8px;
    }
}