:root {
  --bg: #0d0f14;
  --bg-alt: #13161e;
  --card: #1a1e28;
  --text: #e8eaf0;
  --muted: #9aa1b2;
  --accent: #7c5cff;
  --accent-2: #b18cff;
  --green: #4ade80;
  --border: #262b38;
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.3rem); letter-spacing: -0.01em; text-align: center; margin-bottom: 12px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }

code {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 0.9em;
}

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; color: var(--text); text-decoration: none; }
.brand-logo { width: 30px; height: 30px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }
.btn-nav { padding: 8px 18px; font-size: 0.9rem; }

/* Buttons */
.btn {
  display: inline-block; text-decoration: none; text-align: center;
  border-radius: 10px; font-weight: 600; transition: all 0.15s ease;
  cursor: pointer; border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 92, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(124, 92, 255, 0.5); }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-2); }
.btn-lg { padding: 14px 30px; font-size: 1.05rem; }

/* Hero */
.hero { padding: 80px 0 60px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-block; color: var(--accent-2); font-weight: 600;
  font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 16px;
}
.lead { font-size: 1.2rem; color: var(--muted); margin: 20px 0 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { color: var(--muted); font-size: 0.85rem; margin-top: 14px; }

/* Phone mock */
.phone {
  width: 250px; margin: 0 auto;
  border: 3px solid #2c3242; border-radius: 32px;
  background: var(--card); padding: 14px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 60px rgba(124,92,255,0.15);
}
.phone-screen { border-radius: 18px; overflow: hidden; background: #090a0e; }
.screen-title {
  font-size: 0.65rem; color: var(--green);
  padding: 8px 10px; border-bottom: 1px solid var(--border);
  font-family: monospace;
}
.video-mock { position: relative; height: 220px; background: linear-gradient(160deg, #2a2135, #16202c); }
.face { position: absolute; }
.face-img { width: 54px; height: 54px; border-radius: 50%; background: #c9a88a; opacity: 0.35; }
.blur-box {
  position: absolute; inset: -6px; border-radius: 50%;
  background: rgba(124, 92, 255, 0.45);
  backdrop-filter: blur(6px);
  border: 1.5px solid rgba(177, 140, 255, 0.8);
}
.face:nth-child(1) { top: 30px; left: 28px; }
.face:nth-child(2) { top: 70px; right: 40px; }
.face:nth-child(2) .face-img { width: 68px; height: 68px; }
.face:nth-child(3) { bottom: 24px; left: 95px; }
.screen-caption {
  font-size: 0.68rem; color: var(--muted); text-align: center; padding: 10px;
}

/* Strip */
.strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-alt); }
.strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 22px 24px; }
.strip-item { display: flex; flex-direction: column; text-align: center; font-size: 0.85rem; color: var(--muted); gap: 2px; }
.strip-item strong { color: var(--text); font-size: 0.95rem; }
.strip-icon { font-size: 1.3rem; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-sub { text-align: center; color: var(--muted); margin-bottom: 48px; }
.big-p { font-size: 1.15rem; color: var(--muted); margin-bottom: 20px; }
.big-p strong { color: var(--text); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
.step {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px; position: relative;
}
.step-num {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; margin-bottom: 14px; color: #fff;
}
.step p { color: var(--muted); font-size: 0.95rem; }

/* Pipeline */
.pipeline { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; }
.pipe-node {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 999px; padding: 8px 18px; font-size: 0.9rem; white-space: nowrap;
}
.pipe-arrow { color: var(--accent-2); font-weight: 700; }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px 22px;
}
.feature:hover { border-color: var(--accent); transition: border-color 0.2s; }
.feature-icon { font-size: 1.8rem; margin-bottom: 12px; }
.feature p { color: var(--muted); font-size: 0.93rem; }

/* FAQ */
details {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 22px; margin-bottom: 12px;
}
details[open] { border-color: var(--accent); }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin-top: 10px; }

/* CTA */
.cta { padding: 90px 0; text-align: center; background: linear-gradient(180deg, var(--bg), #1a1530); }
.cta p { color: var(--muted); margin: 12px 0 28px; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner { text-align: center; color: var(--muted); font-size: 0.9rem; }
.footer-note { font-size: 0.78rem; margin-top: 6px; opacity: 0.7; }

/* Changelog */
.release {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px 28px; margin-bottom: 24px;
}
.release-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.release-date { color: var(--muted); font-size: 0.9rem; }
.release-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  border-radius: 999px; padding: 2px 12px; margin: 10px 0 4px;
  letter-spacing: 0.05em; text-transform: uppercase;
}
.release-latest { background: rgba(74, 222, 128, 0.12); color: var(--green); border: 1px solid rgba(74, 222, 128, 0.4); }
.release ul { margin: 12px 0 0 20px; color: var(--muted); }
.release li { margin-bottom: 6px; }
.release li strong { color: var(--text); }

/* Download page */
.dl-hero { padding: 70px 0 40px; text-align: center; }
.dl-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  max-width: 560px; margin: 24px auto; padding: 32px;
}
.dl-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 0.9rem; padding: 8px 0; border-bottom: 1px solid var(--border); }
.dl-meta:last-child { border-bottom: none; }
.warn {
  background: rgba(250, 204, 21, 0.08); border: 1px solid rgba(250, 204, 21, 0.35);
  border-radius: var(--radius); max-width: 560px; margin: 0 auto 24px; padding: 18px 22px;
  font-size: 0.92rem; color: #e7d9a0; text-align: left;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .steps, .features { grid-template-columns: 1fr; }
  .strip-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}