:root {
    --bg-dark: #0a0a0f;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #ec4899;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

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

/* Background Gradients */
.background-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, rgba(10,10,15,0) 70%);
    top: -200px;
    left: -200px;
    z-index: -1;
    border-radius: 50%;
}

.background-glow.glow-2 {
    background: radial-gradient(circle, rgba(236,72,153,0.1) 0%, rgba(10,10,15,0) 70%);
    top: 20%;
    right: -200px;
    left: auto;
}

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

/* Navbar */
.navbar {
    padding: 20px 0;
    position: sticky;
    top: 0;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 100;
}

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

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary);
}

/* Utilities */
.text-center { text-align: center; }
.highlight {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid var(--glass-border);
    display: inline-block;
}

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--text-muted);
}

.w-100 { width: 100%; text-align: center; }

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 80px 20px;
    align-items: center;
    min-height: 80vh;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: #818cf8;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 90%;
}

.hero-cta {
    display: flex;
    gap: 20px;
    align-items: center;
}

.btn-text {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

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

/* Glassmorphism Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 30px;
}

/* Chat Simulator */
.chat-simulator {
    max-width: 400px;
    margin: 0 auto;
    padding: 0;
    overflow: hidden;
}

.chat-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(0,0,0,0.2);
}

.chat-header .avatar {
    font-size: 24px;
    background: var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-body {
    padding: 20px;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    padding: 12px 16px;
    border-radius: 12px;
    max-width: 85%;
    font-size: 0.95rem;
    animation: fadeIn 0.5s ease forwards;
}

.message.user {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.message.bot {
    background: var(--primary);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.2);
}

.typing { opacity: 0.7; font-style: italic; }

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 60px 20px;
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 { margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }

/* Pricing */
.pricing { padding: 80px 20px; }
.subtitle { color: var(--text-muted); margin-bottom: 50px; }

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.price-card {
    position: relative;
    transition: transform 0.3s ease;
}

.price-card:hover { transform: translateY(-5px); }

.price-card h3 { font-size: 1.2rem; color: var(--text-muted); }
.price-card .price { font-size: 2.5rem; font-weight: 800; margin: 15px 0; }
.price-card .price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.price-card p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 20px; }

.price-card ul { list-style: none; margin-bottom: 30px; }
.price-card ul li { margin-bottom: 12px; font-size: 0.95rem; }

.price-card.popular {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(99,102,241,0.05) 0%, rgba(255,255,255,0.02) 100%);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

footer {
    padding: 40px;
    color: var(--text-muted);
    border-top: 1px solid var(--glass-border);
    margin-top: 60px;
}

/* Floating WhatsApp */
.float-wa {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: transform 0.3s;
}

.float-wa:hover { transform: scale(1.1); }

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    .hero { grid-template-columns: 1fr; text-align: center; }
    .hero h1 { font-size: 2.5rem; }
    .hero p { margin: 0 auto 30px; }
    .hero-cta { justify-content: center; flex-direction: column; }
    .chat-simulator { margin-top: 30px; }
}