/* ===================================
   SPEAKFY LANDING PAGE - REDESIGNED
   Modern, Technological, Premium Design
   =================================== */

/* ===================================
   CSS Variables & Design System
   =================================== */
:root {
    /* Primary Colors - Enhanced Gradients */
    --color-primary: #896ff4;
    --color-secondary: #4b3d86;
    --color-accent: #a78bfa;
    --color-accent-bright: #c4b5fd;
    
    /* Background Colors - Dark Theme */
    --color-bg-dark: #0a0a14;
    --color-bg-darker: #050508;
    --color-surface: #1a1a2e;
    --color-surface-light: #252538;
    --color-white: #ffffff;
    --color-text-primary: #f8f9fa;
    --color-text-secondary: #b8b9c0;
    --color-text-muted: #6b7280;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #896ff4 0%, #4b3d86 100%);
    --gradient-accent: linear-gradient(135deg, #a78bfa 0%, #7c3aed 100%);
    --gradient-vibrant: linear-gradient(135deg, #896ff4 0%, #c084fc 50%, #7c3aed 100%);
    --gradient-mesh: 
        radial-gradient(at 40% 20%, hsla(270, 85%, 70%, 0.25) 0px, transparent 50%),
        radial-gradient(at 80% 0%, hsla(260, 80%, 65%, 0.2) 0px, transparent 50%),
        radial-gradient(at 0% 50%, hsla(280, 90%, 75%, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 100%, hsla(250, 85%, 60%, 0.2) 0px, transparent 50%);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-light: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(20px);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-2xl: 2.5rem;
    --radius-full: 9999px;
    
    /* Shadows - Enhanced */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 40px rgba(137, 111, 244, 0.5), 0 0 80px rgba(137, 111, 244, 0.3);
    --shadow-glow-strong: 0 0 60px rgba(137, 111, 244, 0.7), 0 0 120px rgba(137, 111, 244, 0.4);
    --shadow-neon: 0 0 20px rgba(137, 111, 244, 0.6),
                   0 0 40px rgba(137, 111, 244, 0.4),
                   0 0 60px rgba(137, 111, 244, 0.2);
    --shadow-3d: 0 20px 60px rgba(0, 0, 0, 0.5),
                 0 10px 20px rgba(0, 0, 0, 0.3),
                 inset 0 1px 0 rgba(255, 255, 255, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

/* ===================================
   Utility Classes
   =================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===================================
   Animated Background
   =================================== */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-mesh);
    z-index: -1;
    animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {
    0%, 100% { 
        background-position: 0% 0%, 100% 0%, 0% 100%, 100% 100%;
        opacity: 1;
    }
    50% { 
        background-position: 100% 100%, 0% 100%, 100% 0%, 0% 0%;
        opacity: 0.8;
    }
}

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

.header.scrolled {
    background: rgba(10, 10, 20, 0.8);
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-base);
}

.logo:hover .logo-img {
    box-shadow: var(--shadow-glow-strong);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

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

.nav-link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    position: relative;
    transition: all var(--transition-base);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--gradient-primary);
    transition: transform var(--transition-base);
}

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

.nav-link:hover::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-cta {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left var(--transition-slow);
}

.nav-cta:hover::before {
    left: 100%;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-strong);
}

/* ===================================
   Hero Section - Advanced
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(137, 111, 244, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
    filter: blur(60px);
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(196, 181, 253, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s ease-in-out infinite reverse;
    filter: blur(80px);
}

@keyframes float {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(-100px, -80px) scale(1.1);
    }
    66% {
        transform: translate(80px, -60px) scale(0.95);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    text-shadow: 0 0 80px rgba(137, 111, 244, 0.5);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: 700;
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.cta-button::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;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-glow-strong), var(--shadow-2xl);
}

.cta-button:active {
    transform: translateY(-2px) scale(1.02);
}

.cta-icon {
    font-size: var(--font-size-2xl);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hero-note {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.hero-note::before {
    content: '✨';
    font-size: var(--font-size-base);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 1.5s ease-out;
    position: relative;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.phone-mockup {
    position: relative;
    filter: drop-shadow(0 30px 60px rgba(137, 111, 244, 0.4));
    animation: floatPhone 6s ease-in-out infinite;
}

@keyframes floatPhone {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.phone-frame {
    position: relative;
    width: 340px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur);
    padding: 16px;
    border: 2px solid var(--glass-border);
    box-shadow: var(--shadow-3d);
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
    z-index: -1;
}

.phone-screen {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* ===================================
   Features Section - 3D Cards
   =================================== */
.features {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
}

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

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

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

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-12px) rotateX(5deg);
    box-shadow: var(--shadow-glow), var(--shadow-2xl);
    border-color: var(--color-primary);
}

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

.feature-card:hover::after {
    opacity: 0.05;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-bounce);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-glow-strong);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
}

.feature-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.feature-highlight {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.highlight-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    color: var(--color-accent-bright);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.highlight-badge:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ===================================
   Use Cases Section
   =================================== */
.use-cases {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.use-cases::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(137, 111, 244, 0.15) 0%, transparent 70%);
    filter: blur(100px);
    z-index: -1;
}

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

.use-case-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(137, 111, 244, 0.1), transparent);
    transition: left var(--transition-slow);
}

.use-case-card:hover::before {
    left: 100%;
}

.use-case-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--color-primary);
}

.use-case-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    display: inline-block;
    transition: all var(--transition-bounce);
}

.use-case-card:hover .use-case-icon {
    transform: scale(1.2) rotate(10deg);
}

.use-case-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.use-case-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===================================
   Social Proof Section - Parallax
   =================================== */
.social-proof {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.proof-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.proof-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

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

.proof-features {
    list-style: none;
}

.proof-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.proof-feature:hover {
    background: var(--glass-bg);
    transform: translateX(8px);
}

.check-icon {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
    flex-shrink: 0;
    filter: drop-shadow(0 0 10px rgba(137, 111, 244, 0.5));
}

.mockup-container {
    position: relative;
    filter: drop-shadow(0 30px 60px rgba(137, 111, 244, 0.3));
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-img {
    width: 100%;
    max-width: 450px;
    border-radius: var(--radius-2xl);
    margin: 0 auto;
    border: 2px solid var(--glass-border);
    box-shadow: var(--shadow-3d);
    transition: all var(--transition-base);
    display: block;
}

.mockup-img:hover {
    box-shadow: var(--shadow-glow), var(--shadow-3d);
    border-color: var(--color-primary);
}

/* ===================================
   AI Analysis Section
   =================================== */
.ai-analysis {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.analysis-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.analysis-title {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

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

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

.analysis-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.analysis-item:hover {
    transform: translateX(12px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow), var(--shadow-md);
    background: var(--glass-bg-light);
}

.analysis-icon {
    font-size: var(--font-size-4xl);
    flex-shrink: 0;
    transition: all var(--transition-bounce);
}

.analysis-item:hover .analysis-icon {
    transform: scale(1.2) rotate(-10deg);
}

.analysis-content-text {
    flex: 1;
}

.analysis-item-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.analysis-item-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===================================
   CTA Section - Animated Gradient
   =================================== */
.cta-section {
    padding: var(--spacing-4xl) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite reverse;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.cta-description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-2xl);
}

.cta-button-large {
    background: var(--color-white);
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    padding: var(--spacing-lg) var(--spacing-3xl);
    font-weight: 800;
    box-shadow: var(--shadow-2xl);
}

.cta-button-large:hover {
    background: var(--color-bg-dark);
    color: var(--color-white);
    transform: translateY(-6px) scale(1.05);
    box-shadow: var(--shadow-neon), var(--shadow-2xl);
}

/* ===================================
   Footer - Modern Dark
   =================================== */
.footer {
    background: var(--color-bg-darker);
    color: var(--color-text-secondary);
    padding: var(--spacing-4xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.5;
}

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

.footer-brand .logo-text {
    color: var(--color-white);
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    margin-top: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.footer-link {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    position: relative;
    width: fit-content;
}

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

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

.footer-link:hover::after {
    width: 100%;
}

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

.footer-copyright {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

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

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 3.5rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .proof-content {
        grid-template-columns: 1fr;
    }
    
    .analysis-content {
        grid-template-columns: 1fr;
    }
    
    .analysis-visual {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --spacing-4xl: 4rem;
    }
    
    .nav {
        display: none;
    }
    
    .hero {
        padding-top: 80px;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .phone-frame {
        width: 280px;
    }
    
    .mockup-img {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .cta-button {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .phone-frame {
        width: 240px;
    }
}

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

/* ===================================
   CTA Group Styles - Added for Multi-Platform
   =================================== */
.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    align-items: center; /* Ensure vertical alignment */
}

/* Adjustments for the buttons inside group */
.cta-group .cta-button {
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-lg);
}

.animated-cta-group {
    justify-content: center;
}

/* ===================================
   Store Badges & Custom CSS Button
   =================================== */
.store-badge-link {
    display: inline-flex;
    transition: transform var(--transition-base), opacity var(--transition-base);
    height: 50px; /* Standardize height */
    width: 180px; /* Fixed width for consistency */
    align-items: center;
    justify-content: center; /* Center image inside */
    flex-shrink: 0; /* Prevent shrinking in flex containers */
}

.store-badge-link:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

/* Force specific image styling to override global max-width */
img.store-badge-img {
    height: 50px; /* Fixed height match container */
    width: auto;  /* Maintain aspect ratio */
    max-width: 100%; /* Fit within 180px container */
    max-height: 50px; /* Ensure no overflow */
    object-fit: contain; /* Maintain aspect ratio within bounds */
    display: block;
}

/* Custom CSS Button mimicking Store Badges */
.store-btn-css {
    display: inline-flex;
    align-items: center;
    justify-content: center; /* Center content */
    background-color: #000000;
    color: #ffffff;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    padding: 0 14px;
    height: 50px; /* Match standardized height */
    width: 180px; /* Fixed width for consistency */
    text-decoration: none;
    transition: all var(--transition-base);
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    flex-shrink: 0;
}

.store-btn-css:hover {
    background-color: #1a1a1a;
    transform: translateY(-2px);
    border-color: rgba(255,255,255,0.4);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.store-btn-icon {
    font-size: 24px;
    margin-right: 10px;
    line-height: 1;
    display: flex;
    align-items: center;
}

.store-btn-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.1;
}

.store-btn-subtitle {
    font-size: 10px;
    text-transform: uppercase;
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: 2px;
}

.store-btn-title {
    font-size: 19px; /* Slightly larger for 50px height */
    font-weight: 600;
    letter-spacing: 0.3px;
    line-height: 1;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .cta-group {
        flex-direction: column;
        width: 100%;
        gap: 16px; /* Increase gap for touch targets */
    }
    
    .cta-group .cta-button {
        width: 100%;
        justify-content: center;
    }
    
    /* Ensure they stay fixed size on mobile too */
    .store-badge-link, .store-btn-css, img.store-badge-img {
        height: 50px;
        width: 180px; /* Maintain fixed width on mobile */
    }
}

/* ===================================
   Plans Section
   =================================== */
.plans-section {
    padding: var(--spacing-4xl) 0;
    position: relative;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, rgba(137, 111, 244, 0.05) 50%, var(--color-bg-dark) 100%);
}

.billing-toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    background: var(--glass-bg);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--glass-border);
}

.toggle-label {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
    font-weight: 500;
}

.toggle-label.active {
    color: var(--color-white);
    font-weight: 700;
}

/* Switch Component */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-surface-light);
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input:checked + .slider {
    background-color: var(--color-primary);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

/* Plan Cards */
.plans-grid {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.plan-card-wrapper {
    flex: 1;
    min-width: 300px;
    max-width: 380px;
}

.plan-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-2xl) var(--spacing-xl);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
    overflow: hidden;
}

.plan-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(137, 111, 244, 0.3);
}

.plan-card.popular {
    background: linear-gradient(145deg, rgba(137, 111, 244, 0.1) 0%, rgba(10, 10, 20, 0.6) 100%);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.plan-card.popular:hover {
    box-shadow: var(--shadow-glow-strong);
}

.popular-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 0 0 16px 16px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(137, 111, 244, 0.4);
}

.plan-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--color-text-primary);
}

.plan-pricing {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.price-container {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    font-weight: 600;
}

.price-value {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
    letter-spacing: -2px;
}

.price-free {
    font-size: 3.5rem;
    font-weight: 800;
    color: #4ade80; /* Green for free */
    line-height: 1;
    letter-spacing: -2px;
}

.price-period {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

.monthly-equivalent {
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    margin-top: var(--spacing-xs);
    font-weight: 500;
}

.plan-cta {
    margin-bottom: var(--spacing-xl);
}

.btn-plan {
    width: 100%;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-plan:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-plan.primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: var(--shadow-glow);
}

.btn-plan.primary:hover {
    box-shadow: var(--shadow-glow-strong);
}

.plan-description {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.plan-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.feature-check {
    color: #4ade80; /* Green check */
    background: rgba(74, 222, 128, 0.1);
    padding: 2px;
    border-radius: 50%;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-check svg {
    width: 14px;
    height: 14px;
}

.loading-plans {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(137, 111, 244, 0.1);
    border-left-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .plans-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .plan-card-wrapper {
        width: 100%;
        max-width: 400px;
    }
}