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

:root {
    /* Purple Gradient Theme Colors */
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --primary-light: #A78BFA;
    --accent: #A78BFA;
    --accent-light: #C4B5FD;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --black: #000000;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-purple: 0 10px 40px rgba(139, 92, 246, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-system);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

/* ===================================
   Layout Utilities
   =================================== */

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

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

/* ===================================
   Navigation
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.logo-icon {
    font-size: 1.75rem;
}

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

.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.nav-link-github {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gray-900);
    color: var(--white);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link-github:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .nav-container {
        padding: var(--spacing-sm);
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        font-size: 0.875rem;
    }
    
    .logo-text {
        display: none;
    }
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #8B5CF6 0%, #A78BFA 50%, #C4B5FD 100%);
    opacity: 0.05;
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.75rem;
    }
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

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

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

@media (max-width: 968px) {
    .hero-badge {
        justify-content: center;
    }
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: var(--shadow-purple);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(139, 92, 246, 0.3);
    color: var(--white);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

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

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

/* ===================================
   Badges
   =================================== */

.badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    background: var(--gray-100);
    color: var(--gray-700);
}

.badge-coming-soon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
}

/* ===================================
   Extension Mockup
   =================================== */

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.extension-mockup {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.mockup-window {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl), var(--shadow-purple);
    overflow: hidden;
    width: 320px;
    border: 1px solid var(--gray-200);
}

.mockup-header {
    background: var(--gray-100);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--gray-200);
}

.mockup-dots {
    display: flex;
    gap: 0.375rem;
}

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
}

.mockup-dots span:nth-child(1) { background: #FF5F57; }
.mockup-dots span:nth-child(2) { background: #FEBC2E; }
.mockup-dots span:nth-child(3) { background: #28C840; }

.mockup-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.mockup-content {
    padding: var(--spacing-xl);
    text-align: center;
}

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

.mockup-text {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
}

.mockup-button {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    animation: pulse-button 2s ease-in-out infinite;
}

@keyframes pulse-button {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.mockup-settings {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.floating-badge {
    position: absolute;
    padding: 0.5rem 1rem;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    animation: float-badge 3s ease-in-out infinite;
}

.floating-badge.badge-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.floating-badge.badge-2 {
    top: 50%;
    left: -15%;
    animation-delay: 1s;
}

.floating-badge.badge-3 {
    bottom: 15%;
    right: -5%;
    animation-delay: 2s;
}

@keyframes float-badge {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

@media (max-width: 968px) {
    .floating-badge {
        display: none;
    }
}

/* ===================================
   Features Section
   =================================== */

.features {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
}

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

@media (max-width: 968px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-light);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===================================
   How It Works Section
   =================================== */

.how-it-works {
    padding: var(--spacing-3xl) 0;
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .steps {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
}

.step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-purple);
}

.step-content {
    max-width: 250px;
}

.step-title {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--gray-600);
    line-height: 1.7;
}

.step-connector {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    margin-top: 30px;
    position: relative;
    border-radius: 2px;
}

.step-connector::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 12px solid var(--accent);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}

@media (max-width: 768px) {
    .step-connector {
        width: 3px;
        height: 60px;
        margin: 0 auto;
    }
    
    .step-connector::after {
        content: '';
        right: auto;
        left: 50%;
        top: auto;
        bottom: -8px;
        transform: translateX(-50%) rotate(90deg);
        border-left: 12px solid var(--accent);
        border-top: 8px solid transparent;
        border-bottom: 8px solid transparent;
    }
}

/* ===================================
   Tech Stack Section
   =================================== */

.tech-stack {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

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

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin: var(--spacing-xl) 0;
}

.tech-badge {
    padding: 0.5rem 1.25rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

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

.tech-description {
    color: var(--gray-600);
    font-size: 1.125rem;
    line-height: 1.8;
}

/* ===================================
   CTA Section
   =================================== */

.cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--accent) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 40s linear infinite;
}

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

.cta-title {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
}

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

@media (max-width: 640px) {
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
}

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

.cta .btn-primary:hover {
    background: var(--gray-100);
    color: var(--primary-dark);
}

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

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

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

@media (max-width: 640px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

.footer-brand {
    max-width: 320px;
}

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

.footer-tagline {
    color: var(--gray-400);
    line-height: 1.7;
    font-size: 0.9375rem;
}

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

.footer-heading {
    color: var(--white);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

/* Add top margin to headings in all columns except the first one */
.footer-column:not(:first-child) .footer-heading {
    margin-top: var(--spacing-xl);
}

.footer-link {
    color: var(--gray-400);
    transition: color var(--transition-fast);
    font-size: 0.9375rem;
    line-height: 1.8;
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

@media (max-width: 640px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}

.footer-copyright,
.footer-credit {
    color: var(--gray-500);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-author {
    color: var(--accent-light);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.footer-author:hover {
    color: var(--white);
}

/* ===================================
   Animation Classes
   =================================== */

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out forwards;
}

.fade-in-delay {
    animation: fadeIn var(--transition-slow) ease-out 300ms forwards;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

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

/* Make hero content visible immediately on page load */
.hero .fade-in,
.hero .fade-in-delay {
    opacity: 1;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Utility Classes
   =================================== */

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

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

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

/* ===================================
   Reduced Motion Support
   =================================== */

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