:root {
    --bg-base: #000000;
    --bg-surface: #0a0a0a;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #ededed;
    --text-secondary: #888888;
    
    --transition-smooth: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1 {
    font-size: 4.5rem;
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: #ffffff;
}

h2 {
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h3 {
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

p {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Background Effects */
.top-gradient {
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 60vw;
    height: 80vh;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    pointer-events: none;
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 24px;
}

.logo-text {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: #fff;
}

nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

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

/* Buttons */
.btn {
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-sm {
    padding: 0.4rem 0.875rem;
    border-radius: 4px;
}

.btn-primary {
    background: #ffffff;
    color: #000000;
    border: 1px solid #ffffff;
}

.btn-primary:hover {
    background: #e5e5e5;
    border-color: #e5e5e5;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-surface);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    min-height: 100vh;
    align-items: center;
    padding-top: 100px;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.hero-content h2 {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 90%;
    color: var(--text-secondary);
}

.hero-content p strong {
    color: var(--text-primary);
    font-weight: 500;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

/* Forms */
.waitlist-form {
    display: flex;
    gap: 0.5rem;
    max-width: 400px;
}

.waitlist-form input {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition-smooth);
}

.waitlist-form input:focus {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.06);
}

/* Terminal / Code Snippet */
.code-terminal {
    background: #000000;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.terminal-header {
    background: var(--bg-surface);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.dots {
    display: flex;
    gap: 0.4rem;
}

.dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #333;
}

.terminal-title {
    margin: 0 auto;
    color: #666;
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    padding-right: 40px; /* Offset to perfectly center */
}

.code-terminal pre {
    padding: 1.5rem;
    margin: 0;
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: #a3a3a3;
    line-height: 1.5;
}

.language-python {
    color: #e5e5e5;
}

/* Features block */
.features {
    padding: 6rem 2rem;
}

.section-header {
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.125rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.feature-card .icon {
    margin-bottom: 1.5rem;
    color: #fff;
    opacity: 0.8;
}

.feature-card h3 {
    margin-bottom: 0.75rem;
    color: #fff;
}

.feature-card p {
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Architecture Section */
.architecture {
    padding: 6rem 2rem;
    border-top: 1px solid var(--border-color);
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.architecture-content h2 {
    margin-bottom: 1rem;
}

.architecture-content p {
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.check-list {
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.check-list li strong {
    color: var(--text-primary);
    font-weight: 500;
}

.check-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    top: 0;
    color: #fff;
}

.pipeline-flow {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.node {
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    border-radius: 6px;
    width: 100%;
    font-size: 0.875rem;
    font-family: 'JetBrains Mono', monospace;
    color: #fff;
    position: relative;
    z-index: 2;
}

.edge {
    width: 1px;
    height: 30px;
    background: var(--border-color);
    margin-left: 2rem;
}

/* Pricing Section */
.pricing {
    padding: 6rem 2rem;
    border-top: 1px solid var(--border-color);
}

.pricing-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.pricing-card:hover { 
    border-color: rgba(255, 255, 255, 0.15); 
    transform: translateY(-5px); 
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-header h3 { 
    font-size: 1.25rem; 
    color: var(--text-primary); 
    margin-bottom: 0.5rem; 
}

.pricing-header .price { 
    font-size: 3rem; 
    font-weight: 500; 
    color: #fff; 
    line-height: 1; 
    margin-bottom: 1rem; 
}

.pricing-header .price span { 
    font-size: 1rem; 
    color: var(--text-secondary); 
}

.pricing-header p { 
    font-size: 0.875rem; 
    min-height: 48px; 
}

.pricing-features { 
    flex: 1; 
    list-style: none; 
    margin-bottom: 2.5rem; 
}

.pricing-features li { 
    font-size: 0.875rem; 
    margin-bottom: 1rem; 
    padding-left: 1.5rem; 
    position: relative;
    color: var(--text-secondary);
}

.pricing-features li::before { 
    content: "✓"; 
    position: absolute; 
    left: 0; 
    top: 0; 
    color: #fff; 
}

/* Banner */
.cta-banner {
    padding: 6rem 2rem;
    border-top: 1px solid var(--border-color);
}

.banner-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4rem 2rem;
}

.banner-content h2 {
    margin-bottom: 1rem;
    font-size: 2rem;
}

.banner-content p {
    margin-bottom: 2.5rem;
}

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

/* Footer */
footer {
    padding: 4rem 2rem 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo .logo-text {
    font-size: 1rem;
}

.copyright {
    font-size: 0.75rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; padding-top: 120px; text-align: center; gap: 2rem;}
    .hero-content p { margin: 0 auto 2.5rem; }
    .waitlist-form { margin: 0 auto; }
    .cta-group { justify-content: center; }
    .split { grid-template-columns: 1fr; gap: 4rem;}
    .grid-3 { grid-template-columns: 1fr; }
    .architecture-visual { order: 2; }
    .architecture-content { order: 1; text-align: center; }
    .check-list li { text-align: left; }
    nav { display: none; }
}