:root {
  --bg-0: #06070b; --bg-1: #0b0d14; --bg-2: #11141d; --bg-3: #181c28; --bg-4: #202636;
  --fg-0: #f2f4f8; --fg-1: #b6bccc; --fg-2: #7b8296; --fg-3: #4a5064;
  --line: #1f2434; --line-2: #2a3145;
  --violet: #7c5cff; --violet-2: #a78bfa; --cyan: #22d3ee;
  --pink: #f472b6; --green: #34d399; --amber: #fbbf24; --red: #f87171; --blue: #60a5fa;
  --ok: var(--green); --warn: var(--amber); --err: var(--red);
  --r-sm: 8px; --r: 12px; --r-lg: 18px; --r-xl: 26px;
  --ease: cubic-bezier(.22,.61,.36,1); --dur: .28s;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html {
  margin: 0; padding: 0;
  background: var(--bg-0); color: var(--fg-0);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}
body {
  margin: 0; min-height: 100vh; min-height: 100dvh;
  line-height: 1.55; overflow-x: hidden;
}
img, svg, canvas, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
code, pre, .mono { font-family: var(--mono); }
code { background: var(--bg-3); border: 1px solid var(--line); padding: 1px 6px; border-radius: 5px; font-size: .88em; color: var(--violet-2); word-break: break-word; }
::selection { background: rgba(124,92,255,.45); }

.wrap { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }
@media (max-width: 640px) { .wrap { width: calc(100% - 32px); } }

h1, h2, h3, h4, h5 { margin: 0 0 .5em; line-height: 1.15; letter-spacing: -.02em; overflow-wrap: break-word; }
h1 { font-size: clamp(2rem, 6vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.55rem, 4vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 650; }
h4 { font-size: 1rem; font-weight: 650; }
p { margin: 0 0 1em; color: var(--fg-1); }

.grad { background: linear-gradient(100deg, var(--violet) 10%, var(--cyan) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { display: inline-block; font-family: var(--mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--cyan); margin-bottom: .9rem; }

/* buttons */
.btn {
  --btn-bg: transparent; --btn-fg: var(--fg-0); --btn-bd: var(--line-2);
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .68em 1.1em; border-radius: 999px;
  background: var(--btn-bg); color: var(--btn-fg); border: 1px solid var(--btn-bd);
  font-size: .9rem; font-weight: 600; letter-spacing: -.01em;
  cursor: pointer; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease),
              border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.btn.primary { --btn-bg: linear-gradient(100deg, var(--violet), #5b8cff 55%, var(--cyan)); --btn-bd: transparent; --btn-fg: #fff; box-shadow: 0 10px 30px -12px rgba(124,92,255,.6); }
.btn.ghost:hover { --btn-bg: var(--bg-3); border-color: var(--line-2); }
.btn.lg { padding: .88em 1.5em; font-size: 1rem; }
.btn.icon { padding: .6em; border-radius: 10px; }
.btn[disabled] { opacity: .45; pointer-events: none; }

/* ── Nav with animated shimmer + underline ── */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(6,7,11,.72);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
  padding-top: var(--safe-top);
  overflow: hidden;
}
.nav.scrolled { border-bottom-color: var(--line); background: rgba(6,7,11,.92); }
.nav-shimmer {
  position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--violet) 20%, var(--cyan) 50%, var(--violet) 80%, transparent 100%);
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity .4s var(--ease);
  animation: navShimmer 5s linear infinite;
  pointer-events: none;
}
.nav:hover .nav-shimmer { opacity: .85; }
@keyframes navShimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.nav-inner { display: flex; align-items: center; gap: 1.5rem; height: 68px; position: relative; z-index: 1; }

.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; letter-spacing: -.02em; flex: 0 0 auto; }
.brand-mark {
  width: 30px; height: 30px; flex: 0 0 auto;
  transition: transform .6s var(--ease);
}
.brand-mark svg { width: 100%; height: 100%; overflow: visible; }
.brand-mark svg path, .brand-mark svg circle { transition: filter .3s var(--ease); }
.brand:hover .brand-mark { transform: rotate(-6deg) scale(1.06); }
.brand:hover .brand-mark svg circle:nth-of-type(1) { filter: drop-shadow(0 0 8px var(--violet)); }
.brand:hover .brand-mark svg circle:nth-of-type(3) { filter: drop-shadow(0 0 6px var(--cyan)); }
.brand-text { font-size: 1.05rem; }
.brand-text b { font-weight: 700; background: linear-gradient(100deg, var(--violet), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.nav-links { display: flex; gap: 1.6rem; margin-left: auto; }
.nav-links a { font-size: .9rem; color: var(--fg-1); font-weight: 500; position: relative; padding: .25rem 0; transition: color var(--dur) var(--ease); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1.5px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  transform: scaleX(0); transform-origin: left;
  transition: transform .32s var(--ease);
}
.nav-links a:hover { color: var(--fg-0); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta { display: flex; align-items: center; gap: .6rem; }
.nav-burger {
  display: none; width: 40px; height: 40px;
  border-radius: 10px; background: transparent;
  border: 1px solid var(--line-2); cursor: pointer; padding: 0;
}
.nav-burger span { display: block; width: 16px; height: 2px; background: var(--fg-0); margin: 3px auto; border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
.mobile-only-cta { display: none; }

@media (max-width: 900px) {
  .nav-inner { gap: .75rem; height: 60px; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg-1); border-bottom: 1px solid var(--line);
    padding: .25rem 0; margin: 0;
    max-height: 0; overflow: hidden;
    transition: max-height .3s var(--ease), opacity .2s var(--ease);
    opacity: 0;
  }
  .nav-links.open { max-height: 480px; opacity: 1; overflow-y: auto; }
  .nav-links a { padding: .9rem 24px; font-size: 1rem; border-bottom: 1px solid var(--line); }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links a::after { display: none; }
  .nav-burger { display: block; }
  .nav-cta .btn.ghost { display: none; }
  .nav-cta .btn.primary { padding: .5em .9em; font-size: .82rem; }
  .mobile-only-cta { display: block; color: var(--cyan) !important; }
}

/* ── Cursor follower ── */
.cursor-follower {
  position: fixed;
  top: 0; left: 0;
  width: 40px; height: 40px;
  margin: -20px 0 0 -20px;
  pointer-events: none;
  z-index: 9998;
  opacity: 0;
  transition: opacity .3s var(--ease);
  will-change: transform;
}
.cursor-follower.visible { opacity: 1; }
.cf-core {
  position: absolute; inset: 50% auto auto 50%;
  width: 6px; height: 6px; border-radius: 50%;
  background: linear-gradient(140deg, var(--violet), var(--cyan));
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px rgba(124,92,255,.8);
}
.cf-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(124,92,255,.55);
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.cursor-follower.hover .cf-ring {
  transform: scale(1.55);
  border-color: rgba(34,211,238,.85);
  background: rgba(34,211,238,.08);
}
.cursor-follower.click .cf-ring { transform: scale(.7); }
@media (max-width: 900px), (pointer: coarse) {
  .cursor-follower { display: none; }
}

/* sections */
.section { padding: 96px 0; position: relative; }
.section.alt { background: var(--bg-1); border-block: 1px solid var(--line); }
@media (max-width: 720px) { .section { padding: 56px 0; } }
.section-head { max-width: 720px; margin-bottom: 3rem; }
.section-head p { font-size: 1.02rem; }
@media (max-width: 640px) { .section-head { margin-bottom: 2rem; } .section-head p { font-size: .95rem; } }

/* cards */
.card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.6rem; transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease); }
.card:hover { transform: translateY(-3px); border-color: var(--line-2); background: var(--bg-3); }
.card h3 { margin-bottom: .5rem; }
.card p { font-size: .93rem; margin-bottom: 1rem; }
@media (max-width: 640px) { .card { padding: 1.25rem; } }
.card-ico { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 1.1rem; background: rgba(124,92,255,.14); color: var(--violet); border: 1px solid rgba(124,92,255,.28); }
.card-ico svg { width: 22px; height: 22px; }
.i-violet { color: var(--violet); background: rgba(124,92,255,.14); border-color: rgba(124,92,255,.28); }
.i-cyan { color: var(--cyan); background: rgba(34,211,238,.14); border-color: rgba(34,211,238,.28); }
.i-pink { color: var(--pink); background: rgba(244,114,182,.14); border-color: rgba(244,114,182,.28); }
.i-amber { color: var(--amber); background: rgba(251,191,36,.14); border-color: rgba(251,191,36,.28); }
.i-green { color: var(--green); background: rgba(52,211,153,.14); border-color: rgba(52,211,153,.28); }
.i-blue { color: var(--blue); background: rgba(96,165,250,.14); border-color: rgba(96,165,250,.28); }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: .35rem; }
.ticks li { font-size: .84rem; color: var(--fg-2); padding-left: 1.15rem; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }

.grid { display: grid; gap: 1.25rem; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 960px) { .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 640px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* pill */
.pill { display: inline-flex; align-items: center; gap: .55rem; padding: .38rem .85rem; border-radius: 999px; background: rgba(124,92,255,.12); border: 1px solid rgba(124,92,255,.35); font-size: .78rem; font-weight: 600; color: var(--violet-2); font-family: var(--mono); }
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* table */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--bg-2); }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 560px; }
.table th, .table td { padding: .85rem 1.1rem; text-align: left; border-bottom: 1px solid var(--line); }
.table th { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-2); font-weight: 600; background: var(--bg-1); }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: var(--bg-3); }
.table .ok { color: var(--ok); font-weight: 600; }
@media (max-width: 640px) { .table th, .table td { padding: .65rem .8rem; font-size: .82rem; white-space: nowrap; } }
.fine { font-size: .78rem; color: var(--fg-3); margin-top: .9rem; }

/* reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in, .reveal-fallback .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* footer */
.footer { border-top: 1px solid var(--line); background: var(--bg-1); padding: 64px 0 calc(24px + var(--safe-bottom)); margin-top: 40px; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 2fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid var(--line); }
.footer-brand p { font-size: .88rem; color: var(--fg-2); max-width: 340px; margin-top: 1rem; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer-cols h5 { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-2); margin-bottom: .9rem; }
.footer-cols a { display: block; font-size: .88rem; color: var(--fg-1); padding: .3rem 0; transition: color var(--dur) var(--ease); }
.footer-cols a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 1.5rem; font-size: .8rem; color: var(--fg-3); flex-wrap: wrap; gap: .5rem; }
@media (max-width: 720px) {
  .footer { padding: 48px 0 calc(20px + var(--safe-bottom)); margin-top: 32px; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; padding-bottom: 2rem; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
}
@media (max-width: 420px) { .footer-cols { grid-template-columns: 1fr; } }

/* utilities */
.center { justify-content: center; text-align: center; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* toast */
.toast-stack {
  position: fixed; bottom: calc(16px + var(--safe-bottom)); left: 50%;
  transform: translateX(-50%); z-index: 200;
  display: flex; flex-direction: column; gap: .5rem;
  width: min(420px, calc(100% - 32px));
  pointer-events: none;
}
.toast {
  background: var(--bg-3); border: 1px solid var(--line-2); border-left: 3px solid var(--cyan);
  border-radius: var(--r); padding: .75rem 1rem; font-size: .86rem; color: var(--fg-0);
  box-shadow: 0 12px 40px -12px rgba(0,0,0,.8);
  animation: toast-in .28s var(--ease); pointer-events: auto;
}
.toast.err { border-left-color: var(--err); }
.toast.warn { border-left-color: var(--warn); }
.toast.ok { border-left-color: var(--ok); }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }