:root {
  --bg: #05060f;
  --bg-2: #0a0c1a;
  --panel: rgba(14, 18, 40, 0.78);
  --line: rgba(56, 189, 248, 0.22);
  --mint: #38bdf8;
  --mint-2: #a855f7;
  --mint-dim: rgba(56, 189, 248, 0.12);
  --violet: #a855f7;
  --blue: #3b82f6;
  --text: #f1f5ff;
  --muted: #9aa3c2;
  --dim: #6b7394;
  --white: #ffffff;
  --radius: 22px;
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --max: 1120px;
  --glow: 0 0 42px rgba(56, 189, 248, 0.28);
  --glow-violet: 0 0 36px rgba(168, 85, 247, 0.22);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(56, 189, 248, 0.16), transparent 55%),
    radial-gradient(780px 480px at 92% 0%, rgba(168, 85, 247, 0.14), transparent 52%),
    linear-gradient(180deg, #04050c 0%, var(--bg) 42%, #070914 100%);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
.cursor-glow {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background: radial-gradient(520px circle at var(--mx, 50%) var(--my, 30%),
    rgba(56, 189, 248, 0.12), transparent 42%);
  opacity: 0.85;
}
.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 2; opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, .topbar, .footer { position: relative; z-index: 3; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--mint); font-size: 0.92em;
}

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--mint); color: #0b1024; padding: 8px 12px; z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

/* Header */
.topbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(3, 6, 12, 0.82);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px; gap: 1rem;
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; letter-spacing: 0.02em; font-size: 0.95rem;
}
.logo img { border-radius: 9px; box-shadow: 0 0 20px rgba(56,189,248,0.25); }

.nav { display: flex; align-items: center; gap: 0.2rem; flex-wrap: wrap; justify-content: flex-end; }
.nav a {
  padding: 8px 11px; border-radius: 999px;
  color: var(--muted); font-size: 0.88rem; font-weight: 600;
}
.nav a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-download {
  margin-left: 0.35rem !important;
  background: var(--white) !important;
  color: #0b1024 !important;
  padding: 9px 14px !important;
  display: inline-flex !important; align-items: center; gap: 6px;
}
.nav-download:hover { filter: brightness(0.95); }

.menu-btn {
  display: none; width: 44px; height: 44px;
  border: 1px solid var(--line); border-radius: 12px;
  background: rgba(255,255,255,0.03); cursor: pointer;
  place-items: center; gap: 5px; flex-direction: column;
}
.menu-btn span {
  display: block; width: 18px; height: 2px;
  background: var(--text); border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 20px; border-radius: 999px;
  font: inherit; font-weight: 700; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, filter .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-mint {
  background: linear-gradient(135deg, #38bdf8 0%, #3b82f6 48%, #a855f7 100%);
  color: #fff; box-shadow: var(--glow), var(--glow-violet);
}
.btn-line {
  background: transparent; color: var(--text);
  border-color: rgba(56,189,248,0.45); color: var(--mint);
}
.btn-line:hover { border-color: var(--mint); background: rgba(56,189,248,0.08); }
.btn-sm { min-height: 40px; padding: 0 14px; font-size: 0.85rem; }
.btn-block { width: 100%; }

.sec-label {
  color: var(--mint); font-size: 0.75rem; font-weight: 800;
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 8px;
}

/* Hero */
.hero { padding: 40px 0 48px; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 28px; align-items: center;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--mint-dim);
  color: var(--mint); font-size: 0.76rem; font-weight: 800;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.hero h1 {
  margin-top: 16px;
  font-size: clamp(2.5rem, 5.4vw, 4.4rem);
  line-height: 1.02; font-weight: 800; letter-spacing: -0.035em;
}
.hero h1 em {
  font-family: var(--serif);
  font-style: italic; font-weight: 400;
  background: linear-gradient(90deg, #38bdf8, #818cf8, #a855f7);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead {
  margin-top: 16px; max-width: 34rem;
  color: var(--muted); font-size: 1.05rem;
}
.hero-cta {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 26px;
}
.trust {
  list-style: none; display: flex; flex-wrap: wrap; gap: 10px 20px;
  margin-top: 20px; color: var(--dim); font-size: 0.88rem; font-weight: 600;
}
.trust li::before {
  content: "✓"; color: var(--mint); margin-right: 8px; font-weight: 800;
}
.hero-rail-left, .hero-rail-right, .hero-rail-bottom, .hero-rail-edge {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--dim);
}
.hero-rail-left { margin-top: 36px; }
.hero-visual {
  position: relative; min-height: 460px;
  display: grid; place-items: center;
}
#particleCanvas {
  width: min(520px, 100%); height: auto; aspect-ratio: 1;
  filter: drop-shadow(0 0 40px rgba(56,189,248,0.25));
}
.hero-rail-right {
  position: absolute; right: 0; top: 18%;
  writing-mode: vertical-rl; transform: rotate(180deg);
}
.hero-rail-bottom {
  position: absolute; left: 8%; bottom: 8%;
}
.hero-rail-edge {
  position: absolute; right: 4%; bottom: 8%;
  text-align: right; max-width: 10rem;
}

/* Sections */
.section { padding: 64px 0; }
.section-dim { background: rgba(255,255,255,0.015); border-block: 1px solid rgba(255,255,255,0.04); }
.panel-frame {
  padding: 28px 24px 24px;
  border-radius: 28px;
  border: 1px solid rgba(56,189,248,0.28);
  background: rgba(8, 12, 28, 0.55);
  box-shadow: 0 0 0 1px rgba(56,189,248,0.05), 0 24px 60px rgba(0,0,0,0.35);
}
.section-head {
  display: flex; align-items: end; justify-content: space-between;
  gap: 16px; margin-bottom: 28px;
}
.section-head.stacked { display: block; }
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.02em; font-weight: 800;
}
.section-head p { margin-top: 8px; color: var(--muted); max-width: 36rem; }
.ready-chip {
  flex-shrink: 0;
  padding: 8px 12px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2); color: var(--text);
  background: transparent; font-size: 0.78rem; font-weight: 700;
}

/* Downloads */
.dl-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.dl-card {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1fr auto;
  gap: 12px 10px; align-items: center;
  padding: 22px 20px 48px;
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(56,189,248,0.10), rgba(10,14,32,0.9) 50%);
  border: 1px solid rgba(56,189,248,0.3);
  box-shadow: 0 0 40px rgba(56,189,248,0.08);
  transform-style: preserve-3d;
  transition: transform .15s ease-out, border-color .2s ease, box-shadow .2s ease;
  will-change: transform;
}
.dl-card.magnetic:hover {
  border-color: rgba(56,189,248,0.55);
  box-shadow: 0 0 50px rgba(56,189,248,0.22);
}
.dl-shine {
  position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(380px circle at var(--sx, 50%) var(--sy, 40%),
    rgba(255,255,255,0.14), transparent 55%);
}
.dl-card.magnetic:hover .dl-shine { opacity: 1; }
.dl-copy { min-width: 0; }
.dl-meta {
  display: flex; flex-direction: column; gap: 2px;
  color: var(--dim); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 8px;
}
.dl-card h3 { font-size: 1.55rem; font-weight: 800; }
.dl-ver { margin: 6px 0 14px; color: var(--muted); font-size: 0.9rem; }
.dl-note { margin-top: 10px; color: var(--dim); font-size: 0.78rem; line-height: 1.4; }
.dl-icon-wrap {
  position: relative; width: 120px; height: 120px;
  display: grid; place-items: center;
}
.orbit {
  position: absolute; inset: 4px; border-radius: 50%;
  border: 1px dashed rgba(56,189,248,0.35);
  animation: spin 16s linear infinite;
  box-shadow: 0 0 30px rgba(56,189,248,0.12);
}
.file-icon {
  position: relative; z-index: 2;
  width: 78px; height: 92px; border-radius: 14px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  background: linear-gradient(160deg, rgba(56,189,248,0.35), rgba(59,130,246,0.2) 40%, rgba(15,20,40,0.95));
  border: 1px solid rgba(56,189,248,0.45);
  box-shadow: 0 12px 40px rgba(56,189,248,0.35), 0 0 30px rgba(168,85,247,0.2);
  transition: transform .12s ease-out;
  will-change: transform;
}
.file-icon img { border-radius: 10px; }
.file-icon span {
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.12em; color: #e0f2fe;
}
.apk-icon {
  background: linear-gradient(160deg, rgba(168,85,247,0.4), rgba(59,130,246,0.2) 45%, rgba(15,20,40,0.95));
  border-color: rgba(168,85,247,0.45);
  box-shadow: 0 12px 40px rgba(168,85,247,0.3);
}
.dl-foot {
  position: absolute; left: 20px; right: 20px; bottom: 14px;
  display: flex; align-items: center; gap: 8px;
  padding-top: 12px; border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--dim); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
}
.dl-foot i {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--mint); box-shadow: 0 0 10px rgba(56,189,248,0.8);
}
.dl-foot span { margin-left: auto; }

/* Video */
.video-frame {
  border-radius: 22px; overflow: hidden;
  border: 1px solid rgba(56,189,248,0.28);
  background: #070a16;
  min-height: 360px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}
.video-placeholder {
  min-height: 360px; padding: 40px 28px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 12px;
  background:
    radial-gradient(circle at 50% 40%, rgba(56,189,248,0.15), transparent 55%),
    #070a16;
}
.play-fake {
  width: 64px; height: 64px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  color: #fff; font-size: 1.2rem; margin-bottom: 6px;
}
.video-placeholder h3 { font-size: 1.35rem; }
.video-placeholder p { color: var(--muted); max-width: 34rem; }
.video-frame iframe { width: 100%; aspect-ratio: 16/9; border: 0; display: block; }

.help-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px;
}
.help-card {
  padding: 20px; border-radius: 18px;
  border: 1px solid rgba(56,189,248,0.25);
  background: rgba(10,14,30,0.7);
}
.help-card h3 { margin: 6px 0 8px; font-size: 1.1rem; }
.help-card p { color: var(--muted); font-size: 0.92rem; margin-bottom: 14px; }

/* Install */
.android-note.bar, .android-note, .tip {
  margin: 0 0 18px; padding: 16px 18px; border-radius: 16px;
  background: var(--mint-dim); border: 1px solid var(--line);
  color: var(--muted);
}
.android-note strong, .tip strong { color: var(--text); }
.install-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 18px; align-items: start;
}
.shot {
  margin: 0; border-radius: 18px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background: #000; box-shadow: 0 18px 40px rgba(0,0,0,0.35);
}
.shot img { width: 100%; height: auto; display: block; object-fit: contain; }
.shot figcaption {
  padding: 12px 14px; color: var(--dim); font-size: 0.85rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(0,0,0,0.35);
}
.shot.wide { margin-top: 22px; }
.steps {
  list-style: none; display: flex; flex-direction: column; gap: 10px;
  position: relative;
}
.steps::before {
  content: ""; position: absolute; left: 15px; top: 18px; bottom: 18px; width: 2px;
  background: linear-gradient(180deg, #38bdf8, #a855f7);
  opacity: 0.45;
}
.steps li {
  position: relative;
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 14px 14px 8px; border-radius: 16px;
  background: var(--panel); border: 1px solid rgba(255,255,255,0.06);
}
.step-n {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.8rem; font-weight: 800; color: #041018;
  background: linear-gradient(135deg, #38bdf8, #a855f7);
  box-shadow: 0 0 16px rgba(56,189,248,0.35);
}
.steps strong, .auth-steps strong { display: block; margin-bottom: 4px; }
.steps span, .auth-steps span { color: var(--muted); font-size: 0.9rem; }

.signin-frame {
  padding: 28px 24px 24px;
}
.auth-steps {
  list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin-bottom: 18px;
}
.auth-steps li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px; border-radius: 16px;
  background: rgba(8, 12, 28, 0.72);
  border: 1px solid rgba(56, 189, 248, 0.2);
  box-shadow: 0 0 0 1px rgba(168, 85, 247, 0.06);
}
.auth-steps em {
  font-style: normal; color: var(--mint); font-weight: 700;
}
.auth-board {
  margin-top: 8px;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(56, 189, 248, 0.28);
  background:
    linear-gradient(160deg, rgba(56,189,248,0.10), rgba(10, 14, 32, 0.92) 40%, rgba(168,85,247,0.08));
  box-shadow: 0 20px 50px rgba(0,0,0,0.4), var(--glow);
}
.auth-board-top {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(56,189,248,0.16);
  color: var(--muted); font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.04em;
}
.auth-board-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--mint); box-shadow: 0 0 12px rgba(56,189,248,0.8);
}
.auth-board-tag {
  margin-left: auto;
  padding: 4px 10px; border-radius: 999px;
  color: var(--mint); background: var(--mint-dim);
  border: 1px solid var(--line); font-size: 0.72rem;
}
.auth-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 14px;
}
.auth-card {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(56,189,248,0.2);
  display: flex;
  flex-direction: column;
}
.auth-card-media {
  background: #0b1020;
  display: grid;
  place-items: center;
  padding: 10px;
}
.auth-card-media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  object-fit: contain;
}
.auth-card figcaption {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid rgba(56,189,248,0.14);
  color: var(--muted); font-size: 0.88rem; font-weight: 600;
}
.auth-card figcaption strong { color: var(--text); }
.auth-cap-n {
  flex-shrink: 0;
  width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.75rem; font-weight: 800; color: #041018;
  background: linear-gradient(135deg, #38bdf8, #a855f7);
}
.auth-note {
  padding: 0 16px 16px;
  color: var(--dim); font-size: 0.82rem;
}

.about-grid, .faq-grid {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px; align-items: start;
}
.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.about-cards article {
  padding: 18px; border-radius: 18px;
  background: var(--panel); border: 1px solid rgba(255,255,255,0.06);
}
.about-ico {
  width: 36px; height: 36px; border-radius: 10px; margin-bottom: 10px;
  display: grid; place-items: center;
  background: var(--mint-dim); border: 1px solid var(--line);
  color: var(--mint); font-size: 0.95rem;
}
.about-cards h3 { margin-bottom: 6px; font-size: 1.05rem; }
.about-cards p { color: var(--muted); font-size: 0.95rem; }

.faq details {
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 0; overflow: hidden;
}
.faq summary {
  list-style: none; cursor: pointer; padding: 16px 4px;
  font-weight: 700; min-height: 52px;
  display: flex; align-items: center; gap: 10px;
}
.faq summary::before {
  content: "▸"; color: var(--mint); font-size: 0.85rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq details[open] summary { color: var(--mint); }
.faq p { padding: 0 4px 16px 22px; color: var(--muted); }

.footer {
  padding: 28px 0 36px; border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: flex-start; gap: 10px; color: var(--muted); }
.footer-brand img { border-radius: 8px; margin-top: 2px; }
.footer-brand strong { display: block; color: var(--text); font-size: 0.95rem; }
.footer-brand p { font-size: 0.85rem; }
.footer-brand small { color: var(--dim); font-size: 0.75rem; }
.footer a { color: var(--dim); font-weight: 600; }
.footer a:hover { color: var(--mint); }

.toast {
  position: fixed; bottom: 20px; right: 20px; z-index: 80;
  background: #0c1024; border: 1px solid var(--line); color: var(--text);
  padding: 12px 16px; border-radius: 12px; max-width: min(320px, calc(100vw - 2rem));
  transform: translateY(120%); opacity: 0; transition: .25s ease;
}
.toast.show { transform: none; opacity: 1; }

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 960px) {
  .auth-steps { grid-template-columns: 1fr; }
  .auth-pair { grid-template-columns: 1fr; }
  .hero-grid, .dl-grid, .install-grid, .about-grid, .faq-grid, .auth-steps, .help-row, .about-cards {
    grid-template-columns: 1fr;
  }
  .hero-visual { min-height: 340px; order: -1; }
  .hero-rail-right, .hero-rail-edge { display: none; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .menu-btn { display: grid; }
  .nav {
    display: none; position: absolute; left: 1rem; right: 1rem; top: 72px;
    flex-direction: column; align-items: stretch;
    padding: 12px; border-radius: 16px;
    background: rgba(8, 10, 24, 0.96); border: 1px solid var(--line);
    box-shadow: 0 20px 50px rgba(0,0,0,0.45);
  }
  .nav.open { display: flex; }
  .nav-download { margin-left: 0 !important; justify-content: center; }
  .hero-cta .btn { width: 100%; }
  .cursor-glow { display: none; }
  .dl-card { grid-template-columns: 1fr; padding-bottom: 52px; }
  .dl-icon-wrap { justify-self: start; }
  .steps::before { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
  .orbit { animation: none; }
  .file-icon, .dl-card.magnetic { transform: none !important; transition: none !important; }
  .cursor-glow { display: none; }
}