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

:root {
    --primary: #7c3aed;
    --primary-light: #8b5cf6;
    --primary-dark: #5b21b6;
    --accent: #0891b2;
    --accent-light: #06b6d4;
    --bg-dark: #f0f4f8;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-hover: rgba(255, 255, 255, 1);
    --border-color: rgba(124, 58, 237, 0.12);
    --text-primary: #1e1b4b;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --gradient-1: linear-gradient(135deg, #7c3aed, #0891b2);
    --gradient-2: linear-gradient(135deg, #5b21b6, #7c3aed, #0891b2);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* ========== Canvas ========== */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ========== Navbar ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 20px rgba(124, 58, 237, 0.08);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-ghost {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

.btn-ghost:hover {
    color: var(--text-primary);
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    padding: 2rem;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 999;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 8px 30px rgba(124, 58, 237, 0.1);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 500;
}

/* ========== Gradient Text ========== */
.gradient-text {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 650px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-1);
    color: white;
    padding: 0.9rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.3);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(168, 85, 247, 0.5);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    padding: 0.9rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* ========== Hero Demo Window ========== */
.hero-demo {
    flex: 1;
    max-width: 550px;
}

.demo-window {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(124, 58, 237, 0.15), 0 0 40px rgba(124, 58, 237, 0.08);
}

.demo-titlebar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: #f8f5ff;
    border-bottom: 1px solid var(--border-color);
}

.demo-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.demo-title {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.demo-body {
    padding: 1.5rem;
}

.demo-agent-name, .demo-agent-goal {
    margin-bottom: 1rem;
}

.demo-body label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.demo-input {
    background: #f8f5ff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.7rem 1rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.demo-output {
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.output-line {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.4rem 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.output-line .icon {
    font-size: 0.9rem;
    flex-shrink: 0;
}

.output-line.thinking { color: #fbbf24; }
.output-line.task { color: #60a5fa; }
.output-line.executing { color: var(--primary-light); }
.output-line.complete { color: #34d399; }

.cursor {
    animation: blink 1s step-end infinite;
}

/* ========== Logos Section ========== */
.logos-section {
    position: relative;
    z-index: 1;
    padding: 4rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.logos-title {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
}

.logos-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.logo-item {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-muted);
    opacity: 0.5;
    transition: opacity 0.3s ease;
    letter-spacing: 0.05em;
}

.logo-item:hover {
    opacity: 1;
}

/* ========== Section Styles ========== */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.section-badge {
    display: inline-block;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    padding: 0.3rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--primary-light);
    margin-bottom: 1rem;
    font-weight: 500;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ========== Features ========== */
.features {
    position: relative;
    z-index: 1;
    padding: 8rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(168, 85, 247, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(168, 85, 247, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========== How It Works ========== */
.how-it-works {
    position: relative;
    z-index: 1;
    padding: 8rem 0;
    background: linear-gradient(180deg, transparent, rgba(168, 85, 247, 0.03), transparent);
}

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

.step-card {
    text-align: center;
    padding: 2rem;
}

.step-number {
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.step-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========== Use Cases ========== */
.usecases {
    position: relative;
    z-index: 1;
    padding: 8rem 0;
}

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.usecase-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.usecase-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(6, 182, 212, 0.2);
    transform: translateY(-4px);
}

.usecase-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.usecase-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.usecase-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========== Pricing ========== */
.pricing {
    position: relative;
    z-index: 1;
    padding: 8rem 0;
    background: linear-gradient(180deg, transparent, rgba(168, 85, 247, 0.03), transparent);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    background: rgba(168, 85, 247, 0.05);
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(168, 85, 247, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-1);
    color: white;
    padding: 0.3rem 1.2rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
}

.pricing-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.pricing-features {
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(124, 58, 237, 0.08);
}

.btn-pricing {
    display: inline-block;
    width: 100%;
    padding: 0.8rem 2rem;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.btn-pricing:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-pricing.featured {
    background: var(--gradient-1);
    border: none;
}

.btn-pricing.featured:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* ========== CTA Section ========== */
.cta-section {
    position: relative;
    z-index: 1;
    padding: 8rem 0;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: 4rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.cta-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-1);
}

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
}

/* ========== Footer ========== */
.footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-grid {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

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

.footer-brand .nav-logo {
    justify-content: center;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
    max-width: 400px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: center;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
}

.footer-links h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.7rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--primary-light);
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 7rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .hero-demo {
        max-width: 100%;
        width: 100%;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(1, 1fr);
        max-width: 450px;
        margin-left: auto;
        margin-right: auto;
    }

    .pricing-card.featured {
        transform: none;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .usecases-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cta-content {
        padding: 2rem;
    }

    .cta-content h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn-cta, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}