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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    overflow-x: hidden;
    background: #0a0e27;
    color: #fff;
}

/* AI Particles Background */
.ai-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
}

.ai-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(102, 126, 234, 0.6);
    border-radius: 50%;
    animation: float-particle 20s infinite;
}

@keyframes float-particle {
    0%, 100% {
        transform: translate(0, 0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translate(var(--tx), var(--ty));
        opacity: 0;
    }
}

.ai-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(102, 126, 234, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(102, 126, 234, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(20px);
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
}
.nav-links.active {
    display: flex !important; 
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.logo-text{
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.8), 0 0 30px rgba(102, 126, 234, 0.4);
    }
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: #667eea;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: #667eea;
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

.cta-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white !important;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.6);
}

.cta-btn::after {
    display: none;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    min-height: 95vh;
    display: flex;
    align-items: center;
    padding: 4rem 5%;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    z-index: 2;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.ai-icon {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 0 0 10px rgba(102, 126, 234, 0);
    }
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #667eea 50%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.typing-effect {
    color: #667eea;
    border-right: 3px solid #667eea;
    animation: blink 0.7s step-end infinite;
}

@keyframes blink {
    50% { border-color: transparent; }
}

.hero p {
    font-size: 1.3rem;
    color: #b0b3c1;
    margin-bottom: 2.5rem;
    max-width: 600px;
    line-height: 1.8;
}

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

.primary-btn, .secondary-btn {
    padding: 1.1rem 2.8rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
}

.primary-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 2px solid rgba(102, 126, 234, 0.5);
    backdrop-filter: blur(10px);
}

.secondary-btn:hover {
    background: rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

/* AI Dashboard Mockup */
.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
}

.ai-dashboard {
    width: 100%;
    max-width: 650px;
    background: rgba(26, 31, 58, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(102, 126, 234, 0.2);
    animation: floatMockup 4s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.ai-dashboard::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes floatMockup {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.ai-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(102, 126, 234, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.ai-brain {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    animation: glow 2s ease-in-out infinite;
}

.ai-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.metric-card {
    background: rgba(102, 126, 234, 0.05);
    border: 1px solid rgba(102, 126, 234, 0.2);
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
}

.metric-value {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    font-size: 0.8rem;
    color: #b0b3c1;
    margin-top: 0.3rem;
}

.ai-suggestions {
    position: relative;
    z-index: 1;
}

.suggestion-item {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideIn 0.5s ease forwards;
    opacity: 0;
}

.suggestion-item:nth-child(1) { animation-delay: 0.2s; }
.suggestion-item:nth-child(2) { animation-delay: 0.4s; }
.suggestion-item:nth-child(3) { animation-delay: 0.6s; }

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.suggestion-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.suggestion-text {
    font-size: 0.9rem;
    color: #e0e0e0;
}

/* AI Features Section */
.features {
    padding: 6rem 5%;
    position: relative;
    z-index: 1;
}

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

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #fff;
}

.section-header p {
    font-size: 1.2rem;
    color: #b0b3c1;
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    padding: 2.5rem;
    border-radius: 20px;
    background: rgba(26, 31, 58, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    opacity: 0;
    transition: opacity 0.4s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.3);
    border-color: #667eea;
}

.feature-card:hover::before {
    opacity: 0.1;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: white;
    position: relative;
    z-index: 1;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: #b0b3c1;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* AI Stats Section */
.stats {
    padding: 5rem 5%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* AI Powered Pricing */
.pricing {
    padding: 6rem 5%;
    position: relative;
    z-index: 1;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.price-card {
    background: rgba(26, 31, 58, 0.6);
    backdrop-filter: blur(20px);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.price-card:hover {
    transform: translateY(-10px);
    border-color: #667eea;
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.3);
}

.price-card.featured {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    border: 2px solid #667eea;
    transform: scale(1.05);
}

.price-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #fff;
}

.price-card .price {
    font-size: 3rem;
    font-weight: 800;
    margin: 1.5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-card .price span {
    font-size: 1.2rem;
    font-weight: 400;
}

.price-card ul {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.price-card li {
    padding: 0.8rem 0;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #b0b3c1;
}

.price-card li i {
    color: #667eea;
}

/* Footer */
footer {
    background: rgba(10, 14, 39, 0.9);
    border-top: 1px solid rgba(102, 126, 234, 0.2);
    color: white;
    padding: 3rem 5%;
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin: 0.5rem 0;
}

.footer-section a {
    color: #b0b3c1;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #667eea;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-links a:hover {
    background: #667eea;
    transform: translateY(-3px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #fff;
}

@media (max-width: 768px) {
    .nav-links {
        /*
        * 1. Enable transition: use max-height/opacity instead of display: none.
        * 2. Set default closed state: max-height: 0, opacity: 0.
        */
        display: flex; /* Must be visible for children to render, use max-height to hide */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 14, 39, 0.95);
        backdrop-filter: blur(20px);
        z-index: 999;
        
        /* Transition properties for animation */
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        padding: 0; /* Start with no padding */
        border-top: 1px solid rgba(102, 126, 234, 0.2);
        transition: max-height 0.4s ease-in-out, opacity 0.4s ease-in-out, padding 0.4s ease;
    }

    .nav-links.active {
        /* Open state */
        max-height: 500px; /* Needs to be larger than actual menu height */
        opacity: 1;
        padding: 1rem 0; /* Add vertical padding when open */
    }

    .nav-links li {
        text-align: center;
        width: 100%;
        /* Fixes unnecessary gap: remove/reduce vertical margin */
        margin: 0; 
        padding: 0.5rem 0; /* Use padding for spacing between items */
        border-bottom: 1px solid rgba(102, 126, 234, 0.05); /* Optional visual separation */
    }
    
    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a, .nav-links button {
        display: block;
        padding: 0.5rem 0;
    }

    .mobile-menu {
        display: block;
    }
    
    .cta-btn {
        padding: 0.8rem 2rem;
        margin: 0 auto; /* Use auto margins on the button for centering */
        display: block; /* Make the button a block element within the centered <li> */
        width: fit-content; /* Ensure the block element only takes the necessary width */
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 2rem 5%;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        margin: 0 auto 2rem;
    }

    .hero-image {
        margin-top: 3rem;
    }

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

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

    .ai-dashboard {
        padding: 1.5rem;
    }

    .ai-metrics {
        grid-template-columns: 1fr;
    }
}