:root {
  --bg: #131320;
  --bg-deep: #0c0c16;
  --surface: #1d1d2e;
  --surface-hi: #27273c;
  --line: #373752;
  --text: #f2f1fa;
  --dim: #9a97bc;
  --primary: #7c7ce8;
  --accent: #2dd4bf;
  --gold: #ffc94d;
  --heart: #ff5c7a;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.85; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* nav */
nav {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; row-gap: 10px;
  padding: 18px 0;
}
nav .brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: 2px; color: var(--text); font-size: 18px; white-space: nowrap; }
nav .brand img { width: 42px; height: 42px; border-radius: 10px; }
nav .links { display: flex; flex-wrap: wrap; gap: 10px 26px; font-size: 15px; font-weight: 600; }
nav .links a { color: var(--dim); }
nav .links a:hover { color: var(--text); opacity: 1; }
.menu-btn { display: none; background: none; border: 0; cursor: pointer; padding: 10px 6px; }
.menu-btn span {
  display: block; width: 24px; height: 2.5px; border-radius: 2px;
  background: var(--text); margin: 5px 0;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

/* hero */
.hero {
  text-align: center;
  padding: 70px 0 50px;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, #2b2650 0%, var(--bg) 70%);
}
.wordmark {
  font-size: clamp(40px, 8vw, 76px);
  font-weight: 800;
  letter-spacing: 0.12em;
}
.wordmark-reflection {
  font-size: clamp(40px, 8vw, 76px);
  font-weight: 800;
  letter-spacing: 0.12em;
  transform: scaleY(-1);
  opacity: 0.14;
  margin-top: -8px;
  background: linear-gradient(0deg, transparent 10%, var(--text) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .tagline { color: var(--dim); font-size: 20px; margin-top: 18px; }
.hero .stars { color: var(--gold); letter-spacing: 8px; font-size: 22px; margin-top: 14px; }
.cta-row { margin-top: 34px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 15px 34px; border-radius: 16px;
  font-weight: 700; font-size: 16px; letter-spacing: 0.5px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-ghost { border: 1px solid var(--line); color: var(--text); background: var(--surface); }
.badge-note { color: var(--dim); font-size: 13px; margin-top: 14px; }

/* demo tiles */
.demo { display: flex; gap: 10px; justify-content: center; margin: 36px 0 6px; position: relative; }
.demo .tile {
  width: 58px; height: 64px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 2px solid var(--line);
  font-weight: 800; font-size: 26px;
}
.demo .t0 { border-color: var(--accent); color: var(--accent); }
.demo .t1 { border-color: #5ca9ff; color: #5ca9ff; }
.demo .t2 { border-color: #9d8cff; color: #9d8cff; }
.demo-caption { color: var(--dim); font-size: 14px; text-align: center; }

/* sections */
section { padding: 70px 0; }
section h2 { font-size: 34px; font-weight: 800; text-align: center; margin-bottom: 10px; }
section .sub { color: var(--dim); text-align: center; max-width: 640px; margin: 0 auto 44px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 20px; padding: 28px;
}
.card .icon { font-size: 30px; }
.card h3 { font-size: 19px; margin: 12px 0 8px; font-weight: 700; }
.card p { color: var(--dim); font-size: 15px; }

.shots { display: flex; gap: 26px; justify-content: center; flex-wrap: wrap; }
.shots img {
  width: 280px; max-width: 82vw; border-radius: 26px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.words-strip {
  background: var(--bg-deep); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 26px 0; overflow: hidden; white-space: nowrap;
  color: var(--dim); font-weight: 700; letter-spacing: 3px; text-align: center; font-size: 15px;
}
.words-strip span { color: var(--gold); }

/* content pages */
.page { max-width: 760px; margin: 0 auto; padding: 50px 24px 80px; }
.page h1 { font-size: 36px; font-weight: 800; margin-bottom: 6px; }
.page .updated { color: var(--dim); font-size: 14px; margin-bottom: 34px; }
.page h2 { font-size: 22px; font-weight: 700; margin: 34px 0 10px; text-align: left; }
.page p, .page li { color: var(--dim); font-size: 16px; }
.page ul { padding-left: 22px; margin: 10px 0; }
.page strong { color: var(--text); }
.faq details {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 20px; margin-bottom: 12px;
}
.faq summary { cursor: pointer; font-weight: 600; color: var(--text); font-size: 16px; }
.faq p { margin-top: 10px; }

footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 50px; text-align: center; color: var(--dim); font-size: 14px;
}
footer .flinks { display: flex; gap: 22px; justify-content: center; margin-bottom: 14px; flex-wrap: wrap; }
footer .flinks a { color: var(--dim); }
footer .synth { letter-spacing: 3px; font-size: 12px; margin-top: 10px; opacity: 0.7; }

@media (max-width: 720px) {
  nav { position: relative; flex-wrap: nowrap; padding: 14px 0; }
  .menu-btn { display: block; }
  nav .links {
    display: none;
    position: absolute; top: calc(100% + 4px); left: 0; right: 0;
    flex-direction: column; gap: 2px;
    background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
    padding: 8px; z-index: 50;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
  }
  nav.open .links { display: flex; }
  nav .links a { padding: 12px 16px; border-radius: 10px; font-size: 15px; text-align: center; }
  nav .links a:hover { background: var(--surface-hi); }
  nav.open .menu-btn span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  nav.open .menu-btn span:nth-child(2) { opacity: 0; }
  nav.open .menu-btn span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  section { padding: 50px 0; }
  section h2 { font-size: 26px; }
  .hero { padding: 46px 0 38px; }
  .wordmark, .wordmark-reflection { font-size: clamp(26px, 8.5vw, 44px); letter-spacing: 0.1em; }
  .hero .tagline { font-size: 17px; }
  .hero .stars { font-size: 18px; letter-spacing: 6px; }
  .demo { gap: 6px; }
  .demo .tile { width: 40px; height: 46px; font-size: 18px; border-radius: 10px; }
  .btn { padding: 13px 24px; font-size: 15px; }
  .words-strip { font-size: 13px; letter-spacing: 2px; }
  .page { padding: 36px 20px 60px; }
  .page h1 { font-size: 30px; }
  footer .flinks { gap: 10px 18px; }
}

@media (max-width: 380px) {
  nav .brand { font-size: 16px; }
  nav .brand img { width: 34px; height: 34px; }
  .demo { gap: 4px; }
  .demo .tile { width: 34px; height: 40px; font-size: 16px; }
}