/* Design System */
:root {
    /* Colors */
    --color-bg: #0a0a0f;
    --color-bg-elevated: rgba(255, 255, 255, 0.02);
    --color-bg-glass: rgba(255, 255, 255, 0.04);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.16);
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.64);
    --color-text-tertiary: rgba(255, 255, 255, 0.4);
    --color-accent: #db2777; /* Dashr pink */
    --color-accent-hover: #be185d; /* Darker pink */
    --color-success: #10b981;
    --color-error: #ef4444;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Borders */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
    
    /* Animation */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base */
html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }

@media (max-width: 768px) {
    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
    h3 { font-size: var(--text-xl); }
}

p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

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

a:hover {
    color: var(--color-accent-hover);
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: color var(--transition-base);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #db2777 0%, #9333ea 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.btn-icon {
    width: 20px;
    height: 20px;
    margin-right: 0.5rem;
    display: inline-block;
    vertical-align: middle;
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--text-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.gradient-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
}

.gradient-sphere-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.gradient-sphere-2 {
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
    bottom: -300px;
    left: -300px;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}

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

.hero-title {
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease-out;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-accent) 0%, #9333ea 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.text-cycle {
    position: relative;
    display: inline-block;
    min-width: 200px;
}

.hero-subtitle {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-note {
    margin-top: var(--space-md);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Forms */
.waitlist-form {
    display: flex;
    gap: var(--space-sm);
    max-width: 480px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.waitlist-form-inline {
    margin: 0;
}

.form-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--text-base);
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-bg-elevated);
}

.form-input::placeholder {
    color: var(--color-text-tertiary);
}

/* Sections */
section {
    padding: var(--space-2xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    text-align: center;
    font-size: var(--text-xl);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Benefits */
.benefits {
    padding: var(--space-2xl) 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.benefit-card {
    padding: var(--space-xl);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.benefit-card:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.benefit-card h3 {
    margin-bottom: var(--space-sm);
}

.benefit-card p {
    margin-bottom: var(--space-md);
}

.benefit-example {
    padding: var(--space-sm);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    font-family: 'Courier New', monospace;
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* Integrations */
.integrations {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.integration-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.integration-item:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.integration-item img {
    width: 24px;
    height: 24px;
}

.more-text {
    font-weight: 600;
    color: var(--color-accent);
}

/* Developer Section */
.developers {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-elevated);
}

.developer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (max-width: 968px) {
    .developer-content {
        grid-template-columns: 1fr;
    }
}

.feature-list {
    list-style: none;
    space-y: var(--space-md);
}

.feature-list li {
    padding-left: var(--space-lg);
    position: relative;
    margin-bottom: var(--space-md);
}

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

/* Code Demo */
.code-demo {
    background: #1a1a1f;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--color-border);
}

.code-filename {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    font-family: 'Courier New', monospace;
}

.code-copy {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.code-copy:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-border-hover);
}

.code-block {
    padding: var(--space-lg);
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: var(--text-sm);
    line-height: 1.5;
}

.code-block code {
    color: var(--color-text-primary);
}

.token.keyword { color: #c678dd; }
.token.string { color: #98c379; }
.token.comment { color: #5c6370; }
.token.function { color: #61afef; }
.token.class { color: #e06c75; }
.token.method { color: #61afef; }
.token.module { color: #e06c75; }

/* Testimonials */
.testimonials {
    padding: var(--space-2xl) 0;
}

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

.testimonial-card {
    padding: var(--space-xl);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.testimonial-card p {
    margin-bottom: var(--space-md);
    font-size: var(--text-lg);
    color: var(--color-text-primary);
}

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

.testimonial-author strong {
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* CTA Section */
.cta {
    padding: calc(var(--space-2xl) * 2) 0;
    background: var(--color-bg);
    position: relative;
}

.cta-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
    font-weight: 400;
}

.cta-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    margin-top: var(--space-2xl);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--space-xs);
}

.footer-logo h3 {
    font-size: var(--text-xl);
    margin: 0;
}

.footer-logo-img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: cover;
}

.footer-brand p {
    color: var(--color-text-tertiary);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-text-primary);
}

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

.footer-bottom p {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 9999;
}

.toast {
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    min-width: 300px;
    backdrop-filter: blur(20px);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-color: var(--color-success);
}

.toast.error {
    border-color: var(--color-error);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: var(--space-md);
    }
    
    .nav-link {
        display: none;
    }
    
    .waitlist-form {
        flex-direction: column;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}