:root {
  --bg: #0e0f16;
  --bg-elev: #171923;
  --bg-elev-2: #1f2230;
  --border: #2c2f42;
  --text: #eceef5;
  --text-dim: #9a9cb5;
  --accent: #5865f2;
  --accent-hover: #6d78f5;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(14, 15, 22, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
}
.btn-nav {
  background: var(--accent);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.15s ease;
}
.btn-nav:hover { background: var(--accent-hover); }

.hero {
  max-width: 640px;
  margin: 0 auto;
  padding: 80px 24px 56px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-logo {
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.hero-tagline {
  margin-top: 18px;
  font-size: 16px;
  color: var(--text-dim);
  max-width: 520px;
}
.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 600;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--text-dim); }
.hero-note {
  margin-top: 18px;
  font-size: 12.5px;
  color: var(--text-dim);
}

.showcase {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}
.shot {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.features {
  max-width: 1100px;
  margin: 88px auto 0;
  padding: 0 24px;
}
.features h2, .steps h2 {
  text-align: center;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 44px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.feature-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(88, 101, 242, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.6;
}

.steps {
  max-width: 1100px;
  margin: 88px auto 0;
  padding: 0 24px;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.step {
  position: relative;
  padding: 30px 22px 22px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.step-number {
  position: absolute;
  top: -16px;
  left: 22px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step h3 { font-size: 16px; font-weight: 700; margin: 10px 0 8px; }
.step p { font-size: 13.5px; color: var(--text-dim); line-height: 1.6; }

.download-cta {
  max-width: 1100px;
  margin: 96px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.download-cta-text h2 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.download-cta-text p {
  margin-top: 14px;
  color: var(--text-dim);
  font-size: 15px;
}
.download-cta-text .hero-actions { justify-content: flex-start; margin-top: 28px; }

.footer {
  margin-top: 100px;
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.footer-inner p {
  color: var(--text-dim);
  font-size: 13px;
  max-width: 460px;
}

.fade-init { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-init.in-view { opacity: 1; transform: none; }

@media (max-width: 760px) {
  .hero h1 { font-size: 34px; }
  .hero-tagline { font-size: 15px; }
  .download-cta { grid-template-columns: 1fr; }
  .download-cta-text .hero-actions { justify-content: center; }
  .download-cta-text { text-align: center; order: 2; }
}