/* RIFFNEX site: the app's arena look. Deep violet-black ground, the guitar burns orange,
   the band glows cyan, magenta lights the arena. Wide technical type for labels. */
:root {
  color-scheme: dark;
  --base: #07060f;
  --surface: #0f0c22;
  --raised: #1a1438;
  --line: #2c2650;
  --fg: #f4f1ff;
  --fg-2: rgba(244, 241, 255, 0.68);
  --fg-3: rgba(244, 241, 255, 0.42);
  --fire: #ff6a2b;
  --fire-2: #ffc23d;
  --cyan: #33e1ff;
  --magenta: #ff3d9a;
  --violet: #6d2bff;
  --grad: linear-gradient(90deg, var(--fire-2), var(--fire) 50%, var(--magenta));
  --font-hud: "Chakra Petch", "Segoe UI", system-ui, sans-serif;
  --font-big: "Russo One", "Arial Black", Impact, sans-serif;
  --font-body: "Chakra Petch", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 14px;
  --gutter: max(20px, env(safe-area-inset-left, 0px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--base);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 1120px; margin: 0 auto; padding-left: var(--gutter); padding-right: max(20px, env(safe-area-inset-right, 0px)); }

/* Header */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(7, 6, 15, 0.78);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(44, 38, 80, 0.6);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); font: 700 15px/1 var(--font-hud); letter-spacing: 0.18em; }
.brand:hover { text-decoration: none; }
.brand .mark { width: 40px; height: 40px; filter: drop-shadow(0 0 10px rgba(255, 61, 154, 0.45)); transition: transform 0.6s cubic-bezier(.2, .8, .2, 1); }
.brand:hover .mark { transform: rotate(30deg); }
.brand span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 17px; }
.nav { display: flex; gap: 22px; font: 600 13px/1 var(--font-hud); letter-spacing: 0.08em; text-transform: uppercase; }
.nav a { color: var(--fg-2); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--fg); text-decoration: none; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 56px; }
.hero::before {
  content: ""; position: absolute; inset: -30% -10% auto; height: 120%;
  background: radial-gradient(60% 50% at 70% 40%, rgba(109, 43, 255, 0.35), transparent 70%),
              radial-gradient(40% 40% at 20% 20%, rgba(255, 61, 154, 0.16), transparent 70%);
  pointer-events: none;
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.appcard { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.appcard img {
  width: 88px; height: 88px; border-radius: 22px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 12px 40px rgba(255, 61, 154, 0.35), 0 0 60px rgba(255, 106, 43, 0.2);
}
.appcard strong { display: block; font: 400 24px/1 var(--font-big); letter-spacing: 0.04em; }
.appcard span { display: block; font: 500 13px/1.4 var(--font-hud); color: var(--fg-2); margin-top: 6px; }
.appcard .soonpill {
  display: inline-block; margin-top: 8px; padding: 4px 10px; border-radius: 999px; font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--cyan); border: 1px solid rgba(51, 225, 255, 0.4); background: rgba(51, 225, 255, 0.08);
}
.eyebrow { font: 700 12px/1 var(--font-hud); letter-spacing: 0.22em; text-transform: uppercase; color: var(--magenta); }
h1 {
  font: 400 clamp(40px, 6.4vw, 76px)/0.98 var(--font-big);
  text-transform: uppercase; margin: 16px 0 20px; text-wrap: balance;
}
h1 .glow { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 0 22px rgba(255, 106, 43, 0.35)); }
.lead { font-size: 19px; color: var(--fg-2); max-width: 34em; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; height: 52px; padding: 0 22px;
  border-radius: 8px; font: 700 14px/1 var(--font-hud); letter-spacing: 0.12em; text-transform: uppercase;
}
.btn.primary { background: var(--grad); color: #1a0610; box-shadow: 0 0 28px rgba(255, 106, 43, 0.4); }
.btn.ghost { border: 1px solid var(--line); color: var(--fg); background: rgba(15, 12, 34, 0.7); }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.soon { cursor: default; }
.btn.soon:hover { filter: none; }
.note { font-size: 13px; color: var(--fg-3); margin-top: 14px; }

/* Phone with the live arena */
.phone {
  position: relative; justify-self: center; width: min(360px, 100%); aspect-ratio: 9 / 19.5;
  border-radius: 46px; padding: 12px;
  background: linear-gradient(160deg, #241c4a, #0b0918 40%, #18123a);
  box-shadow: 0 0 0 1px rgba(255, 61, 154, 0.18), 0 40px 120px rgba(109, 43, 255, 0.35), inset 0 0 0 2px rgba(255, 255, 255, 0.04);
}
.phone canvas { width: 100%; height: 100%; border-radius: 36px; display: block; background: var(--surface); }

/* Sections */
section { padding: 72px 0; }
.section-head { max-width: 40em; margin-bottom: 36px; }
h2 { font: 400 clamp(28px, 4vw, 42px)/1.05 var(--font-big); text-transform: uppercase; margin: 12px 0 14px; text-wrap: balance; }
.section-head p { color: var(--fg-2); margin: 0; }

.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.feature {
  position: relative; padding: 26px; border-radius: var(--radius); background: var(--surface);
  border: 1px solid var(--line); overflow: hidden; min-width: 0;
}
.feature::after {
  content: ""; position: absolute; inset: auto -40% -60% auto; width: 80%; aspect-ratio: 1;
  background: radial-gradient(circle, var(--accent, rgba(255, 61, 154, 0.16)), transparent 70%);
  pointer-events: none;
}
.feature .tag { font: 700 11px/1 var(--font-hud); letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent-fg, var(--fire-2)); }
.feature h3 { font: 700 21px/1.2 var(--font-hud); margin: 12px 0 8px; }
.feature p { margin: 0; color: var(--fg-2); font-size: 16px; }
.feature.fire { --accent: rgba(255, 106, 43, 0.2); --accent-fg: var(--fire-2); }
.feature.cyan { --accent: rgba(51, 225, 255, 0.16); --accent-fg: var(--cyan); }
.feature.magenta { --accent: rgba(255, 61, 154, 0.18); --accent-fg: var(--magenta); }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; counter-reset: step; }
.step { padding: 24px; border-left: 2px solid var(--line); min-width: 0; }
.step b { display: block; font: 400 40px/1 var(--font-big); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.step h3 { font: 700 19px/1.25 var(--font-hud); margin: 12px 0 6px; }
.step p { margin: 0; color: var(--fg-2); font-size: 16px; }

.private {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 28px; align-items: center;
  padding: 32px; border-radius: var(--radius); background: linear-gradient(120deg, rgba(51, 225, 255, 0.08), rgba(109, 43, 255, 0.08));
  border: 1px solid rgba(51, 225, 255, 0.25);
}
.private .badge { width: 72px; height: 72px; border-radius: 18px; display: grid; place-items: center; background: rgba(51, 225, 255, 0.12); color: var(--cyan); }
.private h2 { margin-top: 0; }
.private p { margin: 0; color: var(--fg-2); }

/* Long text pages */
.page { padding: 56px 0 72px; }
.page .wrap { max-width: 760px; }
.page h1 { font-size: clamp(34px, 5vw, 52px); }
.page h2 { font-size: clamp(22px, 3vw, 28px); margin-top: 40px; }
.page p, .page li { color: var(--fg-2); }
.page ul { padding-left: 1.2em; }
.page li { margin: 6px 0; }
.updated { font: 600 12px/1 var(--font-hud); letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); }

.faq details {
  border: 1px solid var(--line); border-radius: 10px; background: var(--surface); padding: 0 20px; margin: 12px 0;
}
.faq summary { cursor: pointer; list-style: none; padding: 18px 0; font: 700 17px/1.35 var(--font-hud); color: var(--fg); display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--magenta); font-size: 22px; line-height: 1; transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 18px; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 36px 0 48px; color: var(--fg-3); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; align-items: center; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--fg-2); }
.lab { display: inline-flex; align-items: center; gap: 8px; }
.lab strong { color: var(--fg); font-family: var(--font-hud); letter-spacing: 0.06em; }

/* Reveal on scroll: visible by default, animated only when JavaScript is on. */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2, .8, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero { padding-top: 40px; }
  .hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .features, .steps { grid-template-columns: minmax(0, 1fr); }
  .nav { gap: 14px; }
}
@media (max-width: 520px) {
  .nav a.hide-sm { display: none; }
  .private { grid-template-columns: minmax(0, 1fr); padding: 24px; }
  section { padding: 56px 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}