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

:root {
    /* Colors */
    --primary: #FFB700;
    --primary-dark: #E6A500;
    --secondary: #4A90E2;
    --accent: #FF6B35;
    --background: #FFFFFF;
    --foreground: #1A1A1A;
    --muted: #6B7280;
    --border: #E5E7EB;
    --card: #FFFFFF;
    --card-foreground: #1A1A1A;
    
    /* Gradients */
    --blue-banana-gradient: linear-gradient(135deg, #4A90E2 0%, #FFB700 50%, #FF6B35 100%);
    --blue-banana-gradient-vertical: linear-gradient(180deg, #4A90E2 0%, #FFB700 50%, #FF6B35 100%);
    --banana-gradient: linear-gradient(135deg, #FFB700 0%, #FFD700 100%);
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 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 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--blue-banana-gradient);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
    padding: 0 var(--spacing-4);
}

.logo {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: var(--font-size-xl);
    color: var(--foreground);
    text-decoration: none;
}

.logo-icon {
    font-size: var(--font-size-2xl);
    margin-right: var(--spacing-2);
}

.nav {
    display: flex;
    gap: var(--spacing-6);
    align-items: center;
}

.nav-link {
    color: var(--foreground);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: var(--blue-banana-gradient-vertical);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: bold;
    color: var(--foreground);
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--foreground);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    gap: var(--spacing-2);
}

.btn-primary {
    background: var(--banana-gradient);
    color: var(--foreground);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: var(--foreground);
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

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

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

/* App Mockup */
.app-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-screen {
    width: 300px;
    height: 600px;
    background: var(--card);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 8px solid var(--foreground);
    position: relative;
}

.mockup-header {
    background: var(--blue-banana-gradient);
    padding: var(--spacing-3);
    color: var(--foreground);
}

.mockup-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.status-icons {
    display: flex;
    gap: var(--spacing-1);
}

.mockup-content {
    padding: var(--spacing-4);
    background: #F8F9FA;
    height: calc(100% - 60px);
    overflow-y: auto;
}

.chat-bubble {
    margin-bottom: var(--spacing-3);
    max-width: 80%;
}

.chat-bubble.received {
    margin-right: auto;
}

.chat-bubble.sent {
    margin-left: auto;
}

.chat-bubble p {
    background: var(--card);
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-1);
    box-shadow: var(--shadow-sm);
}

.chat-bubble.sent p {
    background: var(--primary);
    color: var(--foreground);
}

.chat-bubble .time {
    font-size: var(--font-size-xs);
    color: var(--muted);
    display: block;
    text-align: right;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--background);
}

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

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: bold;
    color: var(--foreground);
    margin-bottom: var(--spacing-4);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.feature-card {
    background: var(--card);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--banana-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
    font-size: var(--font-size-2xl);
    color: var(--foreground);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: bold;
    margin-bottom: var(--spacing-4);
    color: var(--foreground);
}

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

/* Trial Section */
.trial-section {
    padding: 6rem 0;
    background: var(--blue-banana-gradient-vertical);
}

.trial-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.trial-text h2 {
    font-size: var(--font-size-4xl);
    font-weight: bold;
    color: var(--foreground);
    margin-bottom: var(--spacing-4);
}

.trial-text p {
    font-size: var(--font-size-lg);
    color: var(--foreground);
    margin-bottom: var(--spacing-6);
    opacity: 0.9;
}

.trial-benefits {
    list-style: none;
    margin-bottom: var(--spacing-8);
}

.trial-benefits li {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-3);
    color: var(--foreground);
    font-size: var(--font-size-lg);
}

.trial-benefits i {
    color: var(--primary);
    margin-right: var(--spacing-3);
    font-size: var(--font-size-lg);
}

.trial-note {
    font-size: var(--font-size-sm);
    color: var(--foreground);
    opacity: 0.8;
    margin-top: var(--spacing-4);
}

.trial-mockup {
    display: flex;
    justify-content: center;
}

.trial-card {
    background: var(--card);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    max-width: 300px;
}

.trial-header {
    margin-bottom: var(--spacing-6);
}

.trial-header i {
    font-size: var(--font-size-3xl);
    color: var(--primary);
    margin-bottom: var(--spacing-3);
}

.trial-header h3 {
    font-size: var(--font-size-xl);
    font-weight: bold;
    color: var(--foreground);
}

.trial-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.trial-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    background: #F8F9FA;
    border-radius: var(--radius-lg);
}

.trial-feature i {
    color: var(--primary);
    font-size: var(--font-size-lg);
}

/* Download Section */
.download {
    padding: 6rem 0;
    background: var(--background);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.download-text h2 {
    font-size: var(--font-size-4xl);
    font-weight: bold;
    color: var(--foreground);
    margin-bottom: var(--spacing-4);
}

.download-text p {
    font-size: var(--font-size-lg);
    color: var(--muted);
    margin-bottom: var(--spacing-8);
}

.download-buttons {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    background: var(--foreground);
    color: var(--background);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    min-width: 200px;
}

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

.download-btn i {
    font-size: var(--font-size-2xl);
}

.download-label {
    font-size: var(--font-size-xs);
    display: block;
}

.download-platform {
    font-size: var(--font-size-base);
    font-weight: 600;
    display: block;
}

.phone-mockup {
    display: flex;
    justify-content: center;
}

.phone-screen {
    width: 200px;
    height: 400px;
    background: var(--blue-banana-gradient);
    border-radius: var(--radius-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--foreground);
    box-shadow: var(--shadow-xl);
}

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

.phone-screen h3 {
    font-size: var(--font-size-xl);
    font-weight: bold;
    margin-bottom: var(--spacing-2);
}

.phone-screen p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--foreground);
    color: var(--background);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: bold;
    margin-bottom: var(--spacing-4);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-2);
}

.footer-section ul li a {
    color: var(--background);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-4);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-6);
    text-align: center;
    opacity: 0.8;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Animation classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.animate-active {
    opacity: 1;
    transform: translateY(0);
}

.fade-up {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.slide-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-right {
    animation: slideInRight 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content,
    .trial-content,
    .download-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .nav {
        display: none;
    }
    
    .hero-buttons,
    .download-buttons {
        flex-direction: column;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-description {
        font-size: var(--font-size-lg);
    }
    
    .btn {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-sm);
    }
}