:root {
    /* Core colors - black, white, accent */
    --background: #ffffff;
    --foreground: #0a0a0a;
    --accent: #000000;
    
    /* Muted variants */
    --muted: #fafafa;
    --muted-foreground: #737373;
    
    /* Border */
    --border: #e5e5e5;
    
    /* Card */
    --card: #ffffff;
    --card-foreground: #0a0a0a;
    
    /* Radius */
    --radius: 0.5rem;
    
    /* Grid pattern */
    --grid-size: 40px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--foreground);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* Geometric grid background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: var(--grid-size) var(--grid-size);
    opacity: 0.3;
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--background);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--foreground);
    font-weight: 600;
}

.logo-icon {
    color: var(--foreground);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted-foreground);
    font-weight: 500;
    font-size: 0.9rem;
}

.nav-links a:hover {
    color: var(--foreground);
}

/* Hamburger - hidden on desktop */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1100;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--foreground);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Overlay - hidden on desktop */
.nav-overlay {
    display: none;
}

/* Hero Section - Asymmetric Bold Design */
.hero {
    background: var(--accent);
    color: var(--background);
    padding: 12rem 0 10rem;
    text-align: left;
    position: relative;
    overflow: hidden;
}

/* Large geometric shape - top right */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 140%;
    background: linear-gradient(135deg, transparent 30%, rgba(255, 255, 255, 0.03) 30%, rgba(255, 255, 255, 0.03) 70%, transparent 70%);
    transform: rotate(15deg);
    pointer-events: none;
}

/* Large geometric shape - bottom left */
.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -15%;
    width: 50%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.02) 40%, rgba(255, 255, 255, 0.02) 60%, transparent 60%);
    transform: rotate(-20deg);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 6.5rem;
    margin-bottom: 2rem;
    font-weight: 900;
    letter-spacing: -0.06em;
    line-height: 0.95;
    max-width: 900px;
    position: relative;
}

/* Bold underline accent */
.hero-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    width: 200px;
    height: 8px;
    background: var(--background);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 3.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
    max-width: 650px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1.125rem 3rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    border: 3px solid transparent;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background-color: var(--background);
    color: var(--foreground);
    border-color: var(--background);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--background);
    border-color: var(--background);
}

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

.btn-secondary:hover {
    background-color: var(--background);
    color: var(--foreground);
}

/* Sections - Asymmetric Layout */
.section {
    padding: 8rem 0;
    position: relative;
}

.section-alt {
    background-color: var(--muted);
}

.section-alt::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: 
        linear-gradient(90deg, transparent 50%, var(--background) 50%, var(--background) 52%, transparent 52%);
    background-size: 80px 100%;
    opacity: 0.5;
    pointer-events: none;
}

.section-title {
    font-size: 4rem;
    margin-bottom: 5rem;
    text-align: left;
    color: var(--foreground);
    font-weight: 900;
    letter-spacing: -0.04em;
    position: relative;
    line-height: 1;
}

/* Large geometric accent bar */
.section-title::before {
    content: '';
    position: absolute;
    top: -2rem;
    left: 0;
    width: 120px;
    height: 10px;
    background: var(--foreground);
}

/* Features Grid - Asymmetric */
.features-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
}

.features-grid .feature-card:first-child {
    grid-row: span 2;
}

.feature-card {
    background: var(--card);
    padding: 3rem;
    border-radius: 0;
    border: 3px solid var(--foreground);
    text-align: left;
    position: relative;
    overflow: hidden;
}

/* Large diagonal stripe */
.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 20px,
            var(--muted) 20px,
            var(--muted) 22px
        );
    opacity: 0.3;
}

.feature-card:hover {
    transform: translateX(5px) translateY(-5px);
    transition: transform 0.2s ease;
    box-shadow: -10px 10px 0 var(--foreground);
}

.feature-icon {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.feature-icon svg {
    color: var(--foreground);
    width: 48px;
    height: 48px;
    stroke-width: 2.5;
}

.feature-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
    color: var(--foreground);
    font-weight: 800;
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
}

.feature-card p {
    color: var(--muted-foreground);
    line-height: 1.7;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

/* Agents Grid - Bold Asymmetric */
.agents-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    gap: 3rem;
}

.agents-grid .agent-card:nth-child(3) {
    grid-column: 3;
    grid-row: 1 / 3;
}

.agent-card {
    background: var(--card);
    padding: 2.5rem;
    border-radius: 0;
    border: 3px solid var(--foreground);
    position: relative;
    overflow: hidden;
}

/* Bold left accent bar */
.agent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 10px;
    height: 100%;
    background: var(--foreground);
}

/* Large number decoration */
.agent-card::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    background: 
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 15px,
            var(--muted) 15px,
            var(--muted) 17px
        );
    opacity: 0.4;
}

.agent-card:hover {
    transform: scale(1.02);
    transition: transform 0.2s ease;
}

.agent-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--foreground);
    font-weight: 800;
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
}

.agent-description {
    color: var(--muted-foreground);
    margin-bottom: 1rem;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

.agent-usecase {
    color: var(--foreground);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
    font-weight: 600;
}

.agent-demo-link {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--foreground);
    color: var(--background);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    border: 2px solid var(--foreground);
    position: relative;
    z-index: 1;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.agent-demo-link:hover {
    background-color: transparent;
    color: var(--foreground);
    transform: translateX(5px);
}

/* Quick Start Section - Bold Typography */
.quickstart-section {
    margin-bottom: 4rem;
}

.quickstart-section h3 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
    color: var(--foreground);
    font-weight: 800;
    letter-spacing: -0.02em;
}

pre {
    background-color: var(--foreground);
    padding: 3rem;
    border-radius: 0;
    overflow-x: auto;
    border: 5px solid var(--foreground);
    position: relative;
}

/* Bold left accent */
pre::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 15px;
    height: 100%;
    background: var(--background);
}

code {
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--background);
    font-weight: 500;
}

/* API Section */
.api-info {
    background: var(--card);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 2px solid var(--border);
}

.api-list {
    list-style: none;
    margin: 1.5rem 0;
    padding-left: 0;
}

.api-list li {
    padding: 1rem;
    margin-bottom: 0.75rem;
    background-color: var(--muted);
    border-radius: var(--radius);
    border-left: 4px solid var(--foreground);
}

.api-list code {
    color: var(--foreground);
    font-weight: 700;
    font-size: 0.9rem;
}

.api-example {
    margin-top: 2.5rem;
}

.api-example h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

/* Architecture Diagram */
.architecture-diagram {
    background: var(--card);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    position: relative;
}

/* Grid pattern overlay */
.architecture-diagram::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.3;
    border-radius: var(--radius);
    pointer-events: none;
}

.architecture-diagram pre {
    background-color: var(--foreground);
    color: var(--background);
    padding: 2.5rem;
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 0.9rem;
    border: 2px solid var(--foreground);
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* Footer - Bold Asymmetric */
.footer {
    background-color: var(--accent);
    color: rgba(255, 255, 255, 0.8);
    padding: 6rem 0;
    text-align: left;
    margin-top: 8rem;
    position: relative;
    overflow: hidden;
}

/* Large geometric shape in footer */
.footer::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -20%;
    width: 80%;
    height: 150%;
    background: 
        linear-gradient(60deg, transparent 45%, rgba(255, 255, 255, 0.02) 45%, rgba(255, 255, 255, 0.02) 55%, transparent 55%);
    transform: rotate(-15deg);
    pointer-events: none;
}

.footer a {
    color: var(--background);
    text-decoration: none;
    margin: 0 1.5rem 0 0;
    font-weight: 700;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer a:hover {
    text-decoration: underline;
    text-decoration-thickness: 3px;
}

.footer p {
    position: relative;
    z-index: 1;
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.footer .branding {
    font-size: 0.9rem;
    font-weight: 400;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .features-grid .feature-card:first-child {
        grid-row: span 1;
        grid-column: span 2;
    }
    
    .agents-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .agents-grid .agent-card:nth-child(3) {
        grid-column: span 2;
        grid-row: auto;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 8rem 0 6rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }

    /* Hamburger visible on mobile */
    .hamburger {
        display: flex;
    }

    /* Sidebar drawer */
    .nav-links {
        position: fixed;
        top: 0;
        right: -280px;
        width: 280px;
        height: 100vh;
        background: var(--background);
        border-left: 3px solid var(--foreground);
        flex-direction: column;
        gap: 0;
        padding: 5rem 0 2rem;
        z-index: 1050;
        transition: right 0.3s ease;
        overflow-y: auto;
    }

    .nav-links.open {
        right: 0;
    }

    .nav-links li {
        border-bottom: 1px solid var(--border);
    }

    .nav-links a {
        display: block;
        padding: 1rem 2rem;
        font-size: 1.05rem;
    }

    .nav-links a:hover {
        background: var(--muted);
    }

    /* Overlay */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
        z-index: 1040;
    }

    .nav-overlay.active {
        display: block;
    }

    .navbar .container {
        flex-direction: row;
    }
    
    .section {
        padding: 5rem 0;
    }

    .section-title {
        font-size: 2.5rem;
        text-align: center;
    }
    
    .section-title::before {
        left: 50%;
        transform: translateX(-50%);
    }

    .features-grid,
    .agents-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid .feature-card:first-child {
        grid-row: span 1;
        grid-column: span 1;
    }
    
    .agents-grid .agent-card:nth-child(3) {
        grid-column: auto;
        grid-row: auto;
    }
    
    .footer {
        text-align: center;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Subtle fade-in on load */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.feature-card,
.agent-card {
    animation: fadeIn 0.3s ease-out;
}