/* ===================================
   PAPILLON AI - BUTTERFLY-INSPIRED DESIGN
   Purple Aesthetic with Dynamic Animations
   =================================== */

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Purple Palette - Butterfly Theme */
    --primary-purple: #7c3aed;
    --deep-purple: #5b21b6;
    --light-purple: #a78bfa;
    --pale-purple: #ddd6fe;
    --ultra-light-purple: #f5f3ff;
    
    /* Accent Colors */
    --accent-pink: #ec4899;
    --accent-blue: #3b82f6;
    --white: #ffffff;
    --off-white: #fafafa;
    --dark: #1e1b4b;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #5b21b6 0%, #7c3aed 100%);
    --gradient-light: linear-gradient(135deg, #f5f3ff 0%, #ddd6fe 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.1);
    --shadow-md: 0 4px 16px rgba(124, 58, 237, 0.15);
    --shadow-lg: 0 8px 32px rgba(124, 58, 237, 0.2);
    --shadow-xl: 0 16px 48px rgba(124, 58, 237, 0.25);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

/* ===================================
   ANIMATED BACKGROUND BUTTERFLIES
   =================================== */
.butterfly-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.butterfly {
    position: absolute;
    font-size: 2rem;
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}

.butterfly-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 25s;
}

.butterfly-2 {
    top: 60%;
    right: 15%;
    animation-delay: 5s;
    animation-duration: 30s;
}

.butterfly-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 10s;
    animation-duration: 28s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(100px, -100px) rotate(10deg);
    }
    50% {
        transform: translate(200px, 50px) rotate(-5deg);
    }
    75% {
        transform: translate(50px, 100px) rotate(15deg);
    }
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    position: relative;
    z-index: 100;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-purple);
}

.butterfly-icon {
    font-size: 1.8rem;
    animation: pulse 2s infinite;
}

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

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

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn-primary):hover {
    color: var(--primary-purple);
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

.nav-links a:not(.btn-primary):hover::after {
    width: 100%;
}

/* ===================================
   BUTTONS
   =================================== */
.btn-primary,
.btn-secondary,
.btn-large {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-purple);
    border: 2px solid var(--primary-purple);
}

.btn-secondary:hover {
    background: var(--ultra-light-purple);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    background: var(--gradient-light);
    position: relative;
    z-index: 10;
    padding: 0 var(--spacing-md);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    min-height: calc(100vh - 100px);
    padding: var(--spacing-lg) 0;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.butterfly-emoji {
    display: inline-block;
    animation: flutter 3s infinite ease-in-out;
}

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

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.version-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

.badge {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.version {
    font-weight: 700;
    color: var(--primary-purple);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease;
}

.floating-butterfly {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(124, 58, 237, 0.3));
    animation: floatButterfly 6s infinite ease-in-out;
}

@keyframes floatButterfly {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(5deg);
    }
}

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

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

/* ===================================
   SECTION STYLES
   =================================== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 10;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--dark);
}

.section-title .butterfly-icon {
    display: inline-block;
    margin-right: var(--spacing-xs);
}

/* ===================================
   INTRO SECTION
   =================================== */
.intro-section {
    background: var(--white);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.intro-image {
    display: flex;
    justify-content: center;
}

.section-butterfly {
    max-width: 250px;
    height: auto;
    animation: gentleFloat 4s infinite ease-in-out;
}

@keyframes gentleFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.intro-text h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-purple);
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

.intro-text strong {
    color: var(--primary-purple);
    font-weight: 700;
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features-section {
    background: var(--gradient-light);
}

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

.feature-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-purple);
}

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

/* ===================================
   DESIGN SECTION
   =================================== */
.design-section {
    background: var(--white);
}

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

.design-text h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-purple);
}

.design-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
}

.design-image {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.blue-butterfly {
    max-width: 150px;
    position: absolute;
    top: -50px;
    right: -30px;
    animation: gentleFloat 5s infinite ease-in-out;
    z-index: 10;
}

.screenshot {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* ===================================
   CAPABILITIES SECTION
   =================================== */
.capabilities-section {
    background: var(--gradient-light);
}

.capability-block {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.capability-block h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-purple);
}

.capability-block p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

.capability-block ul {
    list-style: none;
    padding-left: 0;
}

.capability-block ul li {
    padding: var(--spacing-xs) 0;
    padding-left: 2rem;
    position: relative;
    color: var(--gray);
    line-height: 1.8;
}

.capability-block ul li::before {
    content: '🦋';
    position: absolute;
    left: 0;
}

.capability-block ul li strong {
    color: var(--primary-purple);
    font-weight: 600;
}

.example-box {
    background: var(--ultra-light-purple);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
    border-left: 4px solid var(--primary-purple);
}

.example-box h4 {
    color: var(--primary-purple);
    margin-bottom: var(--spacing-xs);
}

.example-box ul {
    list-style: none;
}

.example-box ul li::before {
    content: '→';
    color: var(--primary-purple);
    font-weight: bold;
    margin-right: var(--spacing-xs);
}

/* ===================================
   WHY SECTION
   =================================== */
.why-section {
    background: var(--white);
}

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

.why-card {
    background: var(--gradient-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.why-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-purple);
}

.why-card p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.why-card ul {
    list-style: none;
    padding-left: 0;
}

.why-card ul li {
    padding: var(--spacing-xs) 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray);
}

.why-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-purple);
    font-weight: bold;
}

/* ===================================
   PERFECT FOR SECTION
   =================================== */
.perfect-for-section {
    background: var(--gradient-light);
}

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

.audience-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.audience-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.audience-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-purple);
}

.audience-card p {
    color: var(--gray);
    line-height: 1.8;
}

/* ===================================
   POWERFUL FEATURES SECTION
   =================================== */
.powerful-features-section {
    background: var(--white);
}

.feature-detail {
    background: var(--gradient-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.feature-detail h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-purple);
}

.feature-detail p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

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

.feature-detail ul li {
    padding: var(--spacing-xs) 0;
    padding-left: 2rem;
    position: relative;
    color: var(--gray);
    line-height: 1.8;
}

.feature-detail ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-purple);
    font-weight: bold;
}

.feature-detail ul li strong {
    color: var(--primary-purple);
}

/* ===================================
   USE CASES SECTION
   =================================== */
.use-cases-section {
    background: var(--gradient-light);
}

.use-case {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.use-case h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-purple);
}

.use-case blockquote {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    font-style: italic;
    border-left: 4px solid var(--primary-purple);
    padding-left: var(--spacing-md);
    margin: var(--spacing-sm) 0;
}

.use-case cite {
    display: block;
    margin-top: var(--spacing-sm);
    font-style: normal;
    font-weight: 600;
    color: var(--primary-purple);
}

.use-case-image {
    margin-top: var(--spacing-md);
}

/* ===================================
   GETTING STARTED SECTION
   =================================== */
.getting-started-section {
    background: var(--white);
}

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

.step {
    background: var(--gradient-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.step-number {
    position: absolute;
    top: -20px;
    left: var(--spacing-md);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.step-content {
    margin-top: var(--spacing-md);
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-purple);
}

.step-content p,
.step-content ol,
.step-content ul {
    color: var(--gray);
    line-height: 1.8;
}

.step-content ol,
.step-content ul {
    padding-left: var(--spacing-md);
}

.step-content li {
    margin-bottom: var(--spacing-xs);
}

.code-block {
    background: var(--dark);
    color: var(--light-purple);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
    overflow-x: auto;
}

.code-block code {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
}

/* ===================================
   PANEL FEATURES SECTION
   =================================== */
.panel-features-section {
    background: var(--gradient-light);
}

.panel-features-section h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-purple);
    text-align: center;
}

.panel-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.panel-feature {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.panel-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.panel-feature h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-purple);
}

.panel-feature p {
    color: var(--gray);
    line-height: 1.6;
}

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

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

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

.cta-section .btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.cta-section .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
}

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--light-purple);
}

.footer-info p {
    margin-bottom: var(--spacing-xs);
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .intro-content,
    .design-content {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-links a:not(.btn-primary) {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .why-grid,
    .audience-grid,
    .panel-features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* Made with Bob */