/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

:root {
    /* Color Palette - Zinc/Slate inspired */
    --bg-page: #09090b;
    --bg-card: #18181b;
    --bg-card-hover: #27272a;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;

    --accent: #6366f1;
    /* Indigo */
    --accent-glow: rgba(99, 102, 241, 0.15);
    --success: #10b981;

    /* Spacing Scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Menlo', monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

/* Typography System */
h1,
h2,
h3,
h4 {
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    /* 17px */
    line-height: 1.6;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    max-width: 90%;
    background: rgba(24, 24, 27, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 9999px;
    z-index: 1000;
    padding: var(--space-xs) var(--space-md);
    transition: all 0.3s ease;
}

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

.nav-logo {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.nav-toggle {
    display: none;
}

/* Hero Section */
.hero {
    padding-top: 180px;
    padding-bottom: var(--space-4xl);
    position: relative;
    overflow: hidden;
}

/* Background Glow */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

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

.hero-text {
    max-width: 540px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.title {
    font-size: 4rem;
    /* 64px */
    margin-bottom: var(--space-lg);
    background: linear-gradient(to bottom right, #fff 30%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* NLP Visual */
.nlp-visual {
    margin-top: var(--space-xl);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.nlp-step {
    width: 100%;
}

.nlp-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: 4px;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nlp-box {
    background: var(--bg-card-hover);
    padding: 10px 14px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    border: 1px solid var(--border);
}

.nlp-box.input {
    color: var(--text-secondary);
}

.nlp-box.output {
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.2);
    background: rgba(16, 185, 129, 0.05);
}

.nlp-arrow {
    color: var(--text-tertiary);
    font-size: 1.25rem;
}

/* Journey Section */
.journey-section {
    padding: var(--space-4xl) 0;
}

.journey-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.journey-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: var(--space-xl);
}

.journey-card.highlight {
    border-color: var(--accent);
    background: linear-gradient(to bottom right, var(--bg-card), rgba(99, 102, 241, 0.05));
}

.journey-card.wide {
    grid-column: span 2;
}

.journey-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.learning-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.learning-list li {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.learning-icon {
    font-size: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.learning-list strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.learning-list p {
    font-size: 0.875rem;
    margin: 0;
}

.tech-stack-visual {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tech-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 9999px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.tech-badge:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

@media (max-width: 768px) {
    .journey-grid {
        grid-template-columns: 1fr;
    }

    .journey-card.wide {
        grid-column: span 1;
    }
}

/* Background Grid */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
    pointer-events: none;
    mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}

/* Community Strip */
.community-strip {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: var(--space-lg) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    background: rgba(255, 255, 255, 0.02);
}

.community-strip p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.tech-icons {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-secondary);
    font-weight: 500;
}

.separator {
    color: var(--border-hover);
    font-size: 0.75rem;
}

/* New CTA Section */
.cta-section {
    padding: var(--space-4xl) 0;
    text-align: center;
}

.cta-content {
    background: linear-gradient(to bottom right, #18181b, #09090b);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: var(--space-3xl) var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.cta-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.cta-content p {
    margin-bottom: var(--space-xl);
    font-size: 1.125rem;
}

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

/* Multi-Column Footer */
footer {
    border-top: 1px solid var(--border);
    padding: var(--space-4xl) 0 var(--space-xl);
    background: var(--bg-page);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer-col h4 {
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
    transition: color 0.2s ease;
}

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

.footer-logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    display: block;
    margin-bottom: var(--space-sm);
}

.brand p {
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
    max-width: 200px;
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: var(--space-xl);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.footer-bottom a {
    color: var(--text-secondary);
    text-decoration: none;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .brand {
        margin-bottom: var(--space-lg);
    }
}

.subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--space-2xl);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #e4e4e7;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
}

/* Terminal Visual */
.hero-visual {
    position: relative;
}

.terminal-window {
    background: #000;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s ease;
}

.terminal-window:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

.terminal-header {
    background: #18181b;
    padding: 12px 16px;
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red {
    background: #ef4444;
}

.dot.yellow {
    background: #eab308;
}

.dot.green {
    background: #22c55e;
}

.terminal-body {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: #d4d4d8;
}

.command-line {
    margin-bottom: 16px;
    display: flex;
    gap: 8px;
}

.prompt {
    color: var(--success);
}

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

.output {
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards 1s;
}

.ai-response {
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

.code {
    color: var(--accent);
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* Features Section (Bento Grid) */
.features-section {
    padding: var(--space-4xl) 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, minmax(240px, auto));
    gap: var(--space-lg);
}

.bento-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.bento-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.3);
}

.bento-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.bento-item:hover::before {
    opacity: 1;
}

.bento-item.large {
    grid-column: span 2;
    grid-row: span 2;
    background: linear-gradient(to bottom right, var(--bg-card), #202025);
}

.bento-item.wide {
    grid-column: span 2;
}

.bento-content {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.icon-wrapper {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.bento-item h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.bento-item p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Install Section */
.install-section {
    padding: var(--space-4xl) 0;
    text-align: center;
}

.code-box {
    background: #000;
    border: 1px solid var(--border);
    border-radius: 12px;
    max-width: 600px;
    margin: var(--space-xl) auto;
    text-align: left;
    position: relative;
}

.code-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
}

.code-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.copy-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.code-content {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    overflow-x: auto;
}

/* Intro Overlay */
.intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 2s forwards;
}

.intro-title {
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: #fff;
    opacity: 0;
    animation: fadeInOut 2s ease-in-out forwards;
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
        transform: scale(0.95);
    }

    40% {
        opacity: 1;
        transform: scale(1);
    }

    80% {
        opacity: 1;
        transform: scale(1);
    }

    100% {
        opacity: 0;
        transform: scale(1.05);
    }
}

@keyframes slideUp {
    to {
        transform: translateY(-100%);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        margin: 0 auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .bento-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .bento-item.large,
    .bento-item.wide {
        grid-column: span 1;
        grid-row: span 1;
    }

    .title {
        font-size: 2.5rem;
    }

    .navbar {
        width: 90%;
        top: 16px;
    }

    .nav-menu {
        display: none;
        /* Add mobile menu logic if needed */
    }

    .nav-toggle {
        display: block;
        background: none;
        border: none;
        color: var(--text-primary);
    }
}