:root {
    --primary: #0f172a;
    --accent: #2563eb;
    --accent-soft: rgba(37, 99, 235, 0.1);
    --text: #475569;
    --text-light: #94a3b8;
    --bg: #ffffff;
    --card-bg: #f8fafc;
    --border: #e2e8f0;
    --gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.dark {
    --primary: #f8fafc;
    --bg: #020617;
    --card-bg: #0f172a;
    --text: #94a3b8;
    --border: #1e293b;
    --accent-soft: rgba(37, 99, 235, 0.2);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    font-family: 'Inter', sans-serif; 
    background: var(--bg); 
    color: var(--text); 
    line-height: 1.7; 
    transition: background 0.5s ease;
    overflow-x: hidden; 
}

/* Typography Upgrade */
h1, h2, h3 { color: var(--primary); font-weight: 800; letter-spacing: -0.02em; }
.section-title { font-size: clamp(2.5rem, 5vw, 3.5rem); text-align: center; margin-bottom: 5rem; }

/* Professional Theme Switcher */
.theme-switcher {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 30px;
    width: 64px;
    height: 32px;
    cursor: pointer;
    position: relative;
    padding: 4px;
    transition: var(--transition);
}

.switch-track { position: relative; width: 100%; height: 100%; }
.switch-handle {
    width: 24px;
    height: 24px;
    background: var(--accent);
    border-radius: 50%;
    position: absolute;
    left: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dark .switch-handle { left: calc(100% - 24px); background: #facc15; }
.sun-icon, .moon-icon { width: 14px; height: 14px; fill: white; position: absolute; transition: 0.3s; }
.moon-icon { opacity: 0; transform: scale(0); }
.dark .sun-icon { opacity: 0; transform: scale(0); }
.dark .moon-icon { opacity: 1; transform: scale(1); fill: #000; }

/* Navigation */
.nav { padding: 1.25rem 0; position: sticky; top: 0; background: rgba(var(--bg), 0.8); backdrop-filter: blur(12px); z-index: 1000; border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 800; font-size: 1.25rem; color: var(--primary); text-decoration: none; letter-spacing: -1px; }
.logo span { color: var(--accent); }
.nav-links a { text-decoration: none; color: var(--primary); margin-left: 2.5rem; font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; }

/* Buttons & Spacing */
.btn { 
    padding: 1.25rem 2.75rem; 
    border-radius: 100px; 
    text-decoration: none; 
    font-weight: 700; 
    display: inline-block; 
    transition: var(--transition);
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
}

.btn-primary { background: var(--accent); color: white; box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2); }
.btn-outline { border: 1.5px solid var(--border); color: var(--primary); }
.btn-full { width: 100%; text-align: center; }
.main-btn-sm { background: var(--primary); color: var(--bg); padding: 0.8rem 1.5rem; font-size: 0.8rem; border-radius: 50px; text-decoration: none; }

/* Hero */
.hero { padding: 10rem 0 8rem; text-align: center; }
.badge-container { 
    display: inline-flex; align-items: center; gap: 10px; 
    background: var(--accent-soft); padding: 6px 16px; border-radius: 50px;
    margin-bottom: 2rem;
}
.badge-pulse { width: 8px; height: 8px; background: #22c55e; border-radius: 50%; animation: pulse 2s infinite; }
.badge-text { font-size: 0.75rem; font-weight: 700; color: var(--accent); text-transform: uppercase; }

/* Marquee */
.marquee-section { padding: 4rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); overflow: hidden; }
.marquee-title { text-align: center; font-size: 0.7rem; font-weight: 800; color: var(--text-light); letter-spacing: 3px; margin-bottom: 2rem; }
.marquee-content { display: flex; gap: 4rem; animation: scroll 30s linear infinite; }
.marquee-content span { font-size: 2rem; font-weight: 800; color: var(--border); transition: 0.3s; }
.marquee-content span:hover { color: var(--accent); }

/* Bento Grid */
.bento-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.bento-item { background: var(--card-bg); border: 1px solid var(--border); padding: 4rem; border-radius: 40px; }
.icon-box { width: 50px; height: 50px; background: var(--accent); color: white; display: flex; align-items: center; justify-content: center; border-radius: 12px; margin-bottom: 2rem; font-weight: 800; }

/* Stats */
.stats-section { padding: 6rem 0; background: var(--primary); color: var(--bg); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; }
.stat-item h2 { font-size: 4rem; color: var(--bg); display: inline-block; }
.stat-plus { font-size: 2rem; color: var(--accent); font-weight: 800; }

/* Pricing */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; align-items: center; }
.price-card { background: var(--card-bg); padding: 3rem; border-radius: 40px; border: 1px solid var(--border); }
.featured { border: 2px solid var(--accent); transform: scale(1.05); }
.price { font-size: 3.5rem; margin: 2rem 0; color: var(--primary); }
.price span { font-size: 1rem; color: var(--text-light); }
.price-list { list-style: none; margin-bottom: 3rem; }
.price-list li { margin-bottom: 1rem; font-weight: 500; display: flex; align-items: center; gap: 10px; }
.price-list li::before { content: "→"; color: var(--accent); }

/* Animations */
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.4; } 100% { opacity: 1; } }
@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

.reveal { opacity: 0; transform: translateY(30px); transition: 1s cubic-bezier(0.2, 1, 0.3, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 968px) {
    .grid-3, .bento-grid, .stats-grid { grid-template-columns: 1fr; }
    .featured { transform: scale(1); }
    .nav-links { display: none; }
}