:root {
  --bg: #0b0f14;
  --fg: #e6edf3;
  --muted: #9da7b3;
  --primary: #3ea6ff;
  --card: #0f141a;
  --border: #1f2a37;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body { background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }

.container { max-width: 960px; margin: 0 auto; padding: 0 16px; }

.site-header { border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.02); }
.site-header .container { padding: 24px 16px; }
.tagline { color: var(--muted); margin-top: 4px; }

/* Navigation */
.nav-flex { display: flex; align-items: center; justify-content: space-between; padding: 24px 16px; }
.logo-area { display: flex; align-items: center; gap: 12px; }
.nav-logo { width: 40px; height: 40px; border-radius: 12px; background: #111; }
.nav-title { font-size: 1.5rem; font-weight: bold; letter-spacing: 1px; }
.nav-menu { display: flex; gap: 24px; }
.nav-menu a { color: var(--fg); text-decoration: none; font-weight: 500; transition: color 0.2s; }
.nav-menu a:hover { color: var(--primary); }

/* Hero */
.hero { background: linear-gradient(120deg, #10151c 60%, #1a2330 100%); padding: 64px 0 32px 0; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center; }
.hero-content { text-align: left; }
.hero-content h1 { font-size: 2.8rem; margin-bottom: 12px; }
.hero-lead { color: var(--muted); font-size: 1.25rem; margin-bottom: 24px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image { display: flex; justify-content: center; }
.hero-screenshot { width: 180px; height: 180px; border-radius: 24px; box-shadow: 0 8px 32px rgba(0,0,0,0.35); }

@media (min-width: 720px) {
  .hero-grid { grid-template-columns: 1fr 1fr; }
}

/* Features */
.features { background: var(--card); border: 1px solid var(--border); border-radius: 16px; margin: 32px 0; padding: 32px 0; }
.features h2 { text-align: center; margin-bottom: 32px; }
.features-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.feature-card { background: #151b23; border-radius: 12px; padding: 28px 20px; text-align: center; border: 1px solid var(--border); box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.feature-icon { font-size: 2.5rem; margin-bottom: 12px; }
.feature-card h3 { margin: 8px 0 8px 0; }
.feature-card p { color: var(--muted); }
@media (min-width: 720px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Visual Section */
.visual { background: linear-gradient(120deg, #10151c 60%, #1a2330 100%); border-radius: 16px; margin: 32px 0; padding: 32px 0; }
.visual-flex { display: flex; flex-direction: column; gap: 32px; align-items: center; }
.visual-image img { width: 320px; max-width: 100%; border-radius: 18px; box-shadow: 0 8px 32px rgba(0,0,0,0.25); }
.visual-desc { text-align: center; }
.visual-desc h2 { margin-bottom: 12px; }
.visual-desc p { color: var(--muted); }
@media (min-width: 900px) {
  .visual-flex { flex-direction: row; justify-content: space-between; }
  .visual-desc { text-align: left; }
}

/* Download Section */
.download { background: var(--card); border: 1px solid var(--border); border-radius: 16px; margin: 32px 0; padding: 32px 0; text-align: center; }
.downloads { display: flex; gap: 16px; justify-content: center; margin-top: 16px; }

/* Testimonials */
.testimonials { background: var(--card); border: 1px solid var(--border); border-radius: 16px; margin: 32px 0; padding: 32px 0; }
.testimonials h2 { text-align: center; margin-bottom: 32px; }
.testimonials-grid { display: grid; grid-template-columns: 1fr; gap: 24px; justify-items: center; }
.testimonial-card { background: #151b23; border-radius: 12px; padding: 24px 20px; border: 1px solid var(--border); max-width: 420px; text-align: center; color: var(--fg); box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.testimonial-card p { font-style: italic; margin-bottom: 8px; }
.testimonial-card span { color: var(--muted); font-size: 0.95em; }
@media (min-width: 720px) {
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

.hero { display: grid; gap: 16px; justify-items: center; padding: 48px 0; }
.hero-logo { width: 96px; height: 96px; border-radius: 20%; box-shadow: 0 6px 24px rgba(0,0,0,0.4); background: #111; image-rendering: -webkit-optimize-contrast; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn { border: 1px solid var(--border); color: var(--fg); text-decoration: none; padding: 10px 14px; border-radius: 8px; transition: 150ms ease; background: transparent; }
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn.primary { background: var(--primary); color: #041019; border: 1px solid transparent; }
.btn.primary:hover { filter: brightness(1.1); }

.features, .download, .docs { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin: 16px 0; }
ul { margin: 0 0 0 1.25rem; }

.site-footer { border-top: 1px solid var(--border); margin-top: 48px; }
.site-footer .container { padding: 24px 16px; color: var(--muted); }

@media (min-width: 720px) {
  .hero { grid-template-columns: auto; }
}