:root {
    --primary: #715DC6;
    --primary-hover: #5a47b0;
    --primary-light: #8b78d4;
    --dark: #212529;
    --dark-hover: #2d3238;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --success: #22c55e;
    --radius: 10px;
    --max-width: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg); color: var(--text);
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* Preloader */
.preloader {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--dark); z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.4s ease;
}
.preloader.hidden { opacity: 0; pointer-events: none; }

/* Navbar */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: var(--dark); border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.15); }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.navbar-logo {
    display: flex; align-items: center; gap: 10px;
}
.navbar-logo img { display: block; }
.navbar-links { display: flex; align-items: center; gap: 28px; }
.navbar-links a { color: #cbd5e1; font-size: 0.9rem; font-weight: 500; transition: color 0.15s; }
.navbar-links a:hover { color: #fff; }
.navbar-cta {
    background: var(--primary); color: #fff !important;
    padding: 8px 20px; border-radius: var(--radius);
    font-weight: 600; transition: background 0.15s;
}
.navbar-cta:hover { background: var(--primary-hover); }
.navbar-toggle { display: none; background: none; border: none; cursor: pointer; color: #fff; }

/* Hero */
.hero {
    background: var(--dark); padding: 140px 0 100px;
    position: relative; overflow: hidden;
}
.hero::after {
    content: ''; position: absolute; top: 0; right: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(113,93,198,0.15) 0%, transparent 70%);
    pointer-events: none;
}
.hero-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
    align-items: center; position: relative; z-index: 1;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(113,93,198,0.15); color: var(--primary-light);
    padding: 6px 16px; border-radius: 20px;
    font-size: 0.8rem; font-weight: 600; margin-bottom: 24px;
}
.hero h1 {
    color: #fff; font-size: 3rem; font-weight: 700;
    line-height: 1.15; letter-spacing: -1px; margin-bottom: 20px;
}
.hero h1 .accent { color: var(--primary-light); }
.hero p {
    color: #94a3b8; font-size: 1.15rem; line-height: 1.7;
    margin-bottom: 32px; max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius);
    font-weight: 600; font-size: 0.95rem;
    cursor: pointer; border: none; transition: all 0.15s; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-outline { background: transparent; color: #cbd5e1; border: 1px solid rgba(255,255,255,0.15); }
.btn-outline:hover { border-color: #cbd5e1; color: #fff; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.hero-preview {
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px; padding: 8px; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    display: flex; align-items: center; justify-content: center;
}
.hero-preview img { max-width: 100%; height: auto; border-radius: 8px; display: block; }

/* Section base */
.section { padding: 100px 0; }
.section-alt { background: #fff; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.section-tag {
    color: var(--primary); font-size: 0.85rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px;
}
.section h2 { font-size: 2.25rem; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 16px; color: var(--text); }
.section-header p { font-size: 1.1rem; color: var(--text-secondary); }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 32px 28px; transition: all 0.2s;
}
.feature-card:hover {
    border-color: var(--primary-light);
    box-shadow: 0 8px 30px rgba(113,93,198,0.08); transform: translateY(-2px);
}
.feature-icon {
    width: 48px; height: 48px; background: rgba(113,93,198,0.1);
    border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.feature-icon svg { width: 24px; height: 24px; stroke: var(--primary); }
.feature-card h3 {
    font-size: 1.15rem; font-weight: 600; margin-bottom: 14px;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.feature-list { list-style: none; padding: 0; }
.feature-list li {
    font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6;
    padding-left: 20px; position: relative; margin-bottom: 8px;
}
.feature-list li::before {
    content: ''; position: absolute; left: 0; top: 9px;
    width: 6px; height: 6px; background: var(--primary); border-radius: 50%;
}

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card {
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 36px 28px; transition: all 0.2s; position: relative;
}
.pricing-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.06); }
.pricing-popular { border-color: var(--primary); border-width: 2px; box-shadow: 0 8px 30px rgba(113,93,198,0.12); }
.popular-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--primary); color: #fff; padding: 4px 20px; border-radius: 20px;
    font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
}
.pricing-icon { width: 128px; height: auto; margin-bottom: 16px; }
.pricing-card h3 {
    font-size: 1.3rem; font-weight: 700; margin-bottom: 8px;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.pricing-price { font-size: 1.75rem; font-weight: 700; color: var(--dark); margin-bottom: 20px; }
.pricing-period { font-size: 0.9rem; font-weight: 400; color: var(--text-secondary); }
.pricing-includes {
    font-size: 0.85rem; font-weight: 600; color: var(--primary);
    margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--border);
}
.pricing-features { list-style: none; padding: 0; margin-bottom: 28px; }
.pricing-features li {
    font-size: 0.9rem; color: var(--text); line-height: 1.6;
    padding-left: 24px; position: relative; margin-bottom: 8px;
}
.pricing-features li::before {
    content: '\2713'; position: absolute; left: 0; top: 0;
    color: var(--primary); font-weight: 700;
}
.pricing-cta { width: 100%; justify-content: center; }
.pricing-extra { margin-top: 60px; text-align: center; }
.pricing-extra h3 { font-size: 1.1rem; font-weight: 600; color: var(--text); margin-bottom: 24px; }
.pricing-extra-features { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; }
.pricing-extra-features > div {
    display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--text-secondary);
}
.pricing-extra-features svg { stroke: var(--primary); flex-shrink: 0; }

/* Contact */
.contact-wrap {
    display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
    align-items: center; max-width: 900px; margin: 0 auto;
}
.contact-image img { width: 100%; height: auto; }
.contact-card {
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 40px 36px;
}
.form-row { display: grid; grid-template-columns: 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group-sm { margin-bottom: 8px; }
.form-group label {
    display: block; margin-bottom: 6px;
    font-size: 0.85rem; font-weight: 600; color: var(--text-secondary);
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: 0.95rem; font-family: inherit;
    transition: border-color 0.15s; background: #fff; color: var(--text);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-status {
    text-align: center; margin-top: 16px; font-size: 0.9rem; font-weight: 500; display: none;
}
.form-status.success { display: block; color: var(--success); }
.form-status.error { display: block; color: #ef4444; }

/* Footer */
.footer {
    background: var(--dark); padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 16px;
}
.footer p { color: #64748b; font-size: 0.85rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: #94a3b8; font-size: 0.85rem; }
.footer-links a:hover { color: #fff; }

/* Downloads */
.download-group { margin-bottom: 48px; }
.download-group-header {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 24px; padding-bottom: 16px;
    border-bottom: 2px solid var(--border);
}
.download-group-header svg { stroke: var(--primary); }
.download-group-header h3 {
    font-size: 1.25rem; font-weight: 700; color: var(--text);
}
.download-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.download-card {
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px 20px;
    display: flex; flex-direction: column; align-items: center; text-align: center;
    transition: all 0.2s; text-decoration: none; color: inherit;
}
.download-card:hover {
    border-color: var(--primary-light);
    box-shadow: 0 8px 30px rgba(113,93,198,0.08); transform: translateY(-2px);
}
.download-icon {
    width: 48px; height: 48px; background: rgba(113,93,198,0.1);
    border-radius: 10px; display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.download-icon svg { width: 24px; height: 24px; stroke: var(--primary); }
.download-info h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.download-info span { font-size: 0.8rem; color: var(--text-secondary); }

/* Responsive */
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero h1 { font-size: 2.25rem; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .download-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-wrap { grid-template-columns: 1fr; }
    .contact-image { display: none; }
}
@media (max-width: 640px) {
    .navbar-links { display: none; }
    .navbar-toggle { display: block; }
    .navbar-links.open {
        display: flex; flex-direction: column; position: absolute;
        top: 64px; left: 0; right: 0; background: var(--dark);
        padding: 20px 24px; gap: 16px; border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .hero { padding: 110px 0 70px; }
    .hero h1 { font-size: 1.85rem; }
    .hero p { font-size: 1rem; }
    .section { padding: 70px 0; }
    .section h2 { font-size: 1.75rem; }
    .features-grid { grid-template-columns: 1fr; }
    .download-grid { grid-template-columns: 1fr; }
    .contact-card { padding: 28px 20px; }
}