:root {
  --purple: #8B5CF6;
  --cyan: #22D3EE;
  --bg: #080B18;
  --surface: #101426;
  --surface-2: #151a31;
  --stroke: rgba(255, 255, 255, 0.09);
  --stroke-hi: rgba(255, 255, 255, 0.2);
  --text: #F7F8FF;
  --muted: #A8AFC3;
  --ok: #2EE6A6;
  --grad: linear-gradient(135deg, #A855F7 0%, #6366F1 48%, #22D3EE 100%);
  --radius: 18px;
  --gutter: clamp(16px, 4vw, 48px);
  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --brand: 'Space Grotesk', 'Inter', sans-serif;
  --mono: 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --spring: cubic-bezier(0.34, 1.4, 0.64, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; overflow-x: clip; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
code { font-family: var(--mono); font-size: 0.88em; background: rgba(255, 255, 255, 0.06); padding: 0.1em 0.4em; border-radius: 6px; overflow-wrap: anywhere; }
pre { background: #05070f; border: 1px solid var(--stroke); border-radius: 12px; padding: 14px 16px; overflow-x: auto; margin-top: 8px; max-width: 100%; }
pre code { background: none; padding: 0; font-size: 13px; line-height: 1.7; overflow-wrap: normal; }
kbd { font-family: var(--mono); font-size: 12px; padding: 2px 7px; border-radius: 6px; border: 1px solid var(--stroke-hi); border-bottom-width: 2px; background: var(--surface-2); color: var(--text); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

/* ambient glows drift slowly */
.glow { position: fixed; border-radius: 50%; filter: blur(120px); opacity: 0.35; z-index: -1; pointer-events: none; will-change: transform; }
.g1 { width: 520px; height: 520px; background: var(--purple); top: -200px; left: -160px; animation: drift1 22s ease-in-out infinite alternate; }
.g2 { width: 460px; height: 460px; background: var(--cyan); top: 40%; right: -220px; opacity: 0.2; animation: drift2 26s ease-in-out infinite alternate; }
@keyframes drift1 { to { transform: translate(140px, 120px) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-160px, -100px) scale(0.9); } }

/* ── nav ────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px var(--gutter); background: rgba(8, 11, 24, 0.72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: padding 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.nav.open { background: #0b0e1d; }
.nav.scrolled { padding-top: 10px; padding-bottom: 10px; border-color: var(--stroke); background: rgba(8, 11, 24, 0.86); }
.brand { display: flex; align-items: center; gap: 10px; font: 600 18px/1 var(--brand); letter-spacing: 0.12em; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { transition: transform 0.6s var(--spring); }
.brand:hover img { transform: rotate(-12deg) scale(1.08); }
.nav nav { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.nav nav a { color: var(--muted); position: relative; }
.nav nav a:not(.gh)::after { content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; border-radius: 2px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease); }
.nav nav a:hover { color: var(--text); text-decoration: none; }
.nav nav a:hover::after, .nav nav a.current::after { transform: scaleX(1); }
.nav nav a.current { color: var(--text); }
.nav .gh { color: var(--text); border: 1px solid var(--stroke-hi); padding: 4px 12px; border-radius: 999px; transition: background 0.2s, border-color 0.2s; }
.nav .gh:hover { background: rgba(255, 255, 255, 0.06); border-color: var(--cyan); }

.menu { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--stroke-hi); background: rgba(255, 255, 255, 0.04); cursor: pointer; position: relative; }
.menu span { position: absolute; left: 11px; right: 11px; height: 2px; border-radius: 2px; background: var(--text); transition: transform 0.3s var(--ease), opacity 0.2s; }
.menu span:nth-child(1) { top: 13px; }
.menu span:nth-child(2) { top: 19px; }
.menu span:nth-child(3) { top: 25px; }
.menu[aria-expanded='true'] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.menu[aria-expanded='true'] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

main { max-width: 1160px; margin: 0 auto; padding: 0 var(--gutter); }

/* ── hero ───────────────────────────────────────────── */
.hero { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center; padding: 72px 0 56px; }
.eyebrow { color: var(--cyan); font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600; }
h1 { font: 600 clamp(36px, 5.2vw, 60px)/1.06 var(--brand); letter-spacing: -0.02em; margin: 12px 0 18px; }
.grad { background: var(--grad); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: shimmer 8s ease-in-out infinite alternate; }
@keyframes shimmer { to { background-position: 100% 0; } }
.lead { color: var(--muted); font-size: clamp(16px, 1.6vw, 18px); max-width: 520px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 12px; }
.fine { color: var(--muted); font-size: 13px; }

.hero-shot { perspective: 1200px; }
.hero-shot img {
  border-radius: 20px; border: 1px solid var(--stroke-hi);
  box-shadow: 0 40px 120px -30px rgba(139, 92, 246, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.04);
  transform: rotateY(-8deg) rotateX(4deg); transition: transform 0.8s var(--ease);
  animation: float 7s ease-in-out infinite;
}
.hero-shot:hover img { transform: rotateY(0) rotateX(0); }
@keyframes float { 50% { translate: 0 -10px; } }

/* hero entrance, staggered */
.js [data-hero] .hero-text > *, .js [data-hero] .hero-shot { opacity: 0; transform: translateY(18px); animation: rise 0.9s var(--ease) forwards; }
.js [data-hero] .hero-text > :nth-child(1) { animation-delay: 0.05s; }
.js [data-hero] .hero-text > :nth-child(2) { animation-delay: 0.15s; }
.js [data-hero] .hero-text > :nth-child(3) { animation-delay: 0.25s; }
.js [data-hero] .hero-text > :nth-child(4) { animation-delay: 0.35s; }
.js [data-hero] .hero-text > :nth-child(5) { animation-delay: 0.45s; }
.js [data-hero] .hero-shot { transform: translateY(30px) scale(0.97); animation-delay: 0.3s; animation-duration: 1.1s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ── buttons ────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 12px; font-weight: 600; font-size: 15px; border: 1px solid var(--stroke-hi); color: var(--text); transition: transform 0.2s var(--ease), box-shadow 0.25s, background 0.25s, border-color 0.25s; position: relative; overflow: hidden; }
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn.primary { background: var(--grad); background-size: 160% 100%; border-color: transparent; box-shadow: 0 10px 30px -10px rgba(139, 92, 246, 0.8); }
.btn.primary:hover { background-position: 100% 0; box-shadow: 0 16px 40px -10px rgba(139, 92, 246, 0.95); }
.btn.primary::after { content: ''; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%); transform: translateX(-120%); transition: transform 0.8s var(--ease); }
.btn.primary:hover::after { transform: translateX(120%); }
.btn.ghost { background: rgba(255, 255, 255, 0.04); }
.btn.ghost:hover { border-color: var(--cyan); background: rgba(34, 211, 238, 0.08); }
.btn.small { padding: 7px 14px; font-size: 13px; border-radius: 10px; overflow-wrap: anywhere; }

/* ── features ───────────────────────────────────────── */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding-bottom: 32px; }
.features article { background: var(--surface); border: 1px solid var(--stroke); border-radius: var(--radius); padding: 22px; transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s; }
.features article:hover { transform: translateY(-4px); border-color: rgba(139, 92, 246, 0.45); box-shadow: 0 20px 50px -25px rgba(139, 92, 246, 0.6); }
.fi { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; margin-bottom: 14px; color: #fff; background: var(--grad); box-shadow: 0 8px 20px -8px rgba(139, 92, 246, 0.8); transition: transform 0.5s var(--spring); }
.fi svg { width: 22px; height: 22px; }
.features article:hover .fi { transform: rotate(-8deg) scale(1.08); }
.features h3 { font-size: 16px; margin-bottom: 6px; }
.features p { color: var(--muted); font-size: 14px; }

/* ── sections ───────────────────────────────────────── */
.block { padding: 56px 0 24px; border-top: 1px solid var(--stroke); margin-top: 32px; }
h2 { font: 600 clamp(26px, 3.4vw, 38px)/1.1 var(--brand); letter-spacing: -0.01em; }
.sub { color: var(--muted); margin: 6px 0 24px; }
.h3 { font-size: 20px; margin: 36px 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; margin-top: 16px; }

/* tabs with sliding indicator */
.tabs { position: relative; display: inline-flex; gap: 4px; padding: 4px; background: var(--surface); border: 1px solid var(--stroke); border-radius: 14px; margin-bottom: 24px; }
.tabs .ind { position: absolute; top: 4px; bottom: 4px; left: 0; width: 0; border-radius: 10px; background: var(--grad); box-shadow: 0 6px 18px -8px rgba(139, 92, 246, 0.9); transition: transform 0.45s var(--spring), width 0.45s var(--spring); z-index: 0; }
.tabs button { position: relative; z-index: 1; font: 600 14px var(--font); color: var(--muted); background: none; border: 0; padding: 9px 20px; border-radius: 10px; cursor: pointer; transition: color 0.25s; }
.tabs button[aria-selected='true'] { color: #fff; }
.no-js .tabs button[aria-selected='true'] { background: var(--grad); }
.panel { animation: fadein 0.45s var(--ease); }
@keyframes fadein { from { opacity: 0; transform: translateY(8px); } }

.steps { list-style: none; counter-reset: s; display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
.steps li { counter-increment: s; position: relative; min-width: 0; padding: 18px 20px 18px 64px; background: var(--surface); border: 1px solid var(--stroke); border-radius: var(--radius); transition: border-color 0.3s, transform 0.3s var(--ease); }
.steps li:hover { border-color: rgba(34, 211, 238, 0.35); transform: translateX(3px); }
.steps li::before { content: counter(s); position: absolute; left: 18px; top: 18px; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font: 600 14px var(--brand); background: var(--grad); }
.steps h4 { font-size: 16px; margin-bottom: 4px; }
.steps p { color: var(--muted); font-size: 15px; }
.steps p b { color: var(--text); }

.note { margin-top: 16px; background: rgba(34, 211, 238, 0.06); border: 1px solid rgba(34, 211, 238, 0.25); border-radius: 14px; padding: 14px 18px; }
.note summary { cursor: pointer; font-weight: 600; }
.note p { color: var(--muted); margin-top: 8px; font-size: 14px; }

.use { display: grid; grid-template-columns: 1fr 280px; gap: 28px; align-items: start; }
.shot-sm img { border-radius: 18px; border: 1px solid var(--stroke-hi); box-shadow: 0 30px 80px -30px rgba(34, 211, 238, 0.45); }
figcaption { color: var(--muted); font-size: 13px; margin-top: 10px; text-align: center; }
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }
.duo img { border-radius: 16px; border: 1px solid var(--stroke); transition: transform 0.5s var(--ease), box-shadow 0.5s; }
.duo figure:hover img { transform: scale(1.02); box-shadow: 0 24px 60px -30px rgba(139, 92, 246, 0.7); }

.bullets { display: grid; gap: 8px; padding-left: 20px; color: var(--muted); }
.bullets b { color: var(--text); }

.keys { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.keys div { display: flex; justify-content: space-between; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--stroke); border-radius: 12px; padding: 12px 16px; color: var(--muted); font-size: 14px; transition: border-color 0.25s, color 0.25s; }
.keys div:hover { border-color: rgba(139, 92, 246, 0.45); color: var(--text); }
.keys div:hover kbd { border-color: var(--purple); transform: translateY(1px); border-bottom-width: 1px; }
.keys kbd { transition: transform 0.15s, border-color 0.2s; }
.keys span { display: flex; gap: 4px; order: 2; flex-shrink: 0; }

.faq { display: grid; gap: 10px; margin-top: 20px; }
.faq details { background: var(--surface); border: 1px solid var(--stroke); border-radius: 14px; padding: 16px 20px; transition: border-color 0.3s; }
.faq details[open] { border-color: rgba(139, 92, 246, 0.4); }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font: 400 22px/1 var(--font); color: var(--cyan); transition: transform 0.35s var(--spring); flex-shrink: 0; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details[open] p { animation: fadein 0.4s var(--ease); }
.faq p { color: var(--muted); margin-top: 8px; font-size: 15px; }

.foot { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 12px 18px; padding: 40px 16px 56px; margin-top: 48px; border-top: 1px solid var(--stroke); color: var(--muted); font-size: 14px; text-align: center; }

/* ── scroll reveal (only with JS, so content never stays hidden) ── */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }

/* ── tablet ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding: 44px 0 40px; text-align: center; }
  .lead { margin: 0 auto; }
  .cta { justify-content: center; }
  .hero-shot img { transform: none; }
  .features { grid-template-columns: 1fr 1fr; }
  .use { grid-template-columns: 1fr; }
  .shot-sm { max-width: 280px; margin: 0 auto; }
}

/* ── phone ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .menu { display: block; }
  .nav nav {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px var(--gutter) 16px; background: #0b0e1d; border-bottom: 1px solid var(--stroke); box-shadow: 0 24px 40px -20px rgba(0, 0, 0, 0.8);
    clip-path: inset(0 0 100% 0); opacity: 0; pointer-events: none; transition: clip-path 0.4s var(--ease), opacity 0.3s;
  }
  .nav.open nav { clip-path: inset(0 0 0 0); opacity: 1; pointer-events: auto; }
  .nav nav a { padding: 13px 4px; font-size: 16px; border-bottom: 1px solid var(--stroke); }
  .nav nav a:not(.gh)::after { display: none; }
  .nav nav .gh { margin-top: 12px; text-align: center; border-radius: 12px; padding: 11px; }

  .hero { padding-top: 32px; }
  .cta { flex-direction: column; }
  .cta .btn { width: 100%; }
  .features { grid-template-columns: 1fr; gap: 10px; }
  .features article { display: grid; grid-template-columns: 40px 1fr; column-gap: 14px; padding: 16px; }
  .features .fi { grid-row: span 2; margin: 0; }
  .features h3 { margin: 0 0 2px; }

  .block { padding: 40px 0 8px; margin-top: 24px; }
  .sub { margin-bottom: 18px; }
  .tabs { display: flex; }
  .tabs button { flex: 1; padding: 9px 8px; }
  .steps li { padding: 16px 16px 16px 56px; }
  .steps li::before { left: 14px; top: 16px; }

  /* screenshots become a swipeable row */
  .duo { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 12px; margin: 24px calc(-1 * var(--gutter)) 0; padding: 0 var(--gutter) 8px; scrollbar-width: none; }
  .duo::-webkit-scrollbar { display: none; }
  .duo figure { flex: 0 0 86%; scroll-snap-align: center; }
  .shot-sm { max-width: 240px; }

  .keys { grid-template-columns: 1fr 1fr; gap: 8px; }
  .keys div { flex-direction: column; align-items: flex-start; gap: 6px; padding: 12px; font-size: 13px; }
  .keys span { order: 0; }
  .faq { margin-top: 18px; }
  .faq details { padding: 14px 16px; }
}

@media (max-width: 370px) {
  .keys { grid-template-columns: 1fr; }
  .tabs button { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal, .js [data-hero] .hero-text > *, .js [data-hero] .hero-shot { opacity: 1 !important; transform: none !important; }
  .hero-shot img { transform: none; }
}