:root {
  --ink: #0a0b1e;
  --ink-2: #12112f;
  --ink-3: #1a1446;
  --line: rgba(159, 232, 255, 0.14);
  --text: #e9ecff;
  --muted: #9aa0c7;
  --cyan: #9fe8ff;
  --violet: #7c5cff;
  --mark: linear-gradient(135deg, #fff 0%, var(--cyan) 50%, var(--violet) 100%);
  --display: "Unbounded", system-ui, sans-serif;
  --body: "Hanken Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --wrap: min(1120px, 100% - 32px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* film grain */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 50;
}
a { color: var(--cyan); text-underline-offset: 3px; }
a:hover { color: #fff; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
.wrap { width: var(--wrap); margin-inline: auto; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(10, 11, 30, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 700 18px var(--display); letter-spacing: 0.02em; }
.brand svg { width: 32px; height: 32px; border-radius: 9px; }
.nav ul { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; font-size: 15px; }
.nav ul a { color: var(--muted); text-decoration: none; }
.nav ul a:hover { color: var(--text); }
@media (max-width: 640px) { .nav ul li:not(:last-child) { display: none; } }

/* hero */
.hero { position: relative; padding: clamp(56px, 10vw, 120px) 0 80px; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto; height: 120%; z-index: -1;
  background:
    radial-gradient(40% 50% at 78% 30%, rgba(124, 92, 255, 0.35), transparent 70%),
    radial-gradient(35% 40% at 20% 10%, rgba(59, 42, 143, 0.6), transparent 70%),
    radial-gradient(30% 30% at 60% 80%, rgba(159, 232, 255, 0.12), transparent 70%);
}
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 12px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan);
  border: 1px solid var(--line); border-radius: 99px; padding: 6px 12px;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #ff4d6d; box-shadow: 0 0 10px #ff4d6d; animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: 0.3; } }
h1, h2, h3 { font-family: var(--display); line-height: 1.05; margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(40px, 7vw, 82px); font-weight: 700; margin: 22px 0 22px; }
h1 em { font-style: normal; background: var(--mark); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: clamp(18px, 2vw, 21px); color: var(--muted); max-width: 34ch; margin: 0 0 32px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 14px;
  font: 600 15px var(--body); text-decoration: none; border: 1px solid var(--line); color: var(--text);
  transition: transform 0.2s, background 0.2s;
}
.btn:hover { transform: translateY(-2px); color: var(--text); background: rgba(159, 232, 255, 0.06); }
.btn.primary { background: var(--text); color: var(--ink); border-color: transparent; }
.btn.primary:hover { background: #fff; color: var(--ink); }
.btn small { display: block; font-weight: 400; font-size: 11px; opacity: 0.7; line-height: 1; }

/* device mock */
.device {
  position: relative; aspect-ratio: 16 / 10; border-radius: 28px; padding: 12px;
  background: linear-gradient(160deg, #2a2560, #0d0c24);
  box-shadow: 0 40px 100px -20px rgba(124, 92, 255, 0.55), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transform: perspective(1400px) rotateY(-12deg) rotateX(4deg);
  animation: float 7s ease-in-out infinite;
}
@keyframes float { 50% { transform: perspective(1400px) rotateY(-9deg) rotateX(2deg) translateY(-8px); } }
.screen {
  position: relative; height: 100%; border-radius: 18px; overflow: hidden;
  background:
    linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.75)),
    radial-gradient(60% 80% at 30% 40%, #3b6b8f, transparent 70%),
    radial-gradient(50% 60% at 75% 55%, #8f3b5c, transparent 70%),
    #120f2a;
}
.screen::before { /* scanlines */
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 3px);
}
.osd-top { position: absolute; top: 14px; left: 16px; right: 16px; display: flex; justify-content: space-between; font: 500 11px var(--mono); color: rgba(255, 255, 255, 0.8); }
.osd-top b { color: #fff; font-family: var(--body); font-size: 13px; }
.chip { border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 6px; padding: 2px 6px; }
.subtitle { position: absolute; bottom: 64px; left: 0; right: 0; text-align: center; font-size: clamp(11px, 1.4vw, 15px); color: #fff; text-shadow: 0 1px 3px #000; }
.bar { position: absolute; left: 16px; right: 16px; bottom: 16px; display: flex; align-items: center; gap: 12px; font: 500 11px var(--mono); color: #fff; }
.track { flex: 1; height: 4px; background: rgba(255, 255, 255, 0.25); border-radius: 4px; position: relative; }
.track span { position: absolute; inset: 0 62% 0 0; background: var(--cyan); border-radius: 4px; animation: play 12s linear infinite; }
.track span::after { content: ""; position: absolute; right: -6px; top: -4px; width: 12px; height: 12px; border-radius: 50%; background: #fff; }
@keyframes play { from { inset: 0 85% 0 0; } to { inset: 0 20% 0 0; } }
.play { width: 26px; height: 26px; display: grid; place-items: center; }

/* sections */
section { padding: 96px 0; border-top: 1px solid var(--line); }
.kicker { font: 500 12px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan); margin-bottom: 16px; }
h2 { font-size: clamp(30px, 4.5vw, 52px); max-width: 18ch; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; margin-top: 48px; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.cell { background: var(--ink); padding: 28px; transition: background 0.3s; }
.cell:hover { background: var(--ink-2); }
.cell h3 { font-size: 17px; margin: 14px 0 8px; letter-spacing: 0; }
.cell p { margin: 0; color: var(--muted); font-size: 15px; }
.icon { width: 36px; height: 36px; color: var(--cyan); }

.steps { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; margin-top: 48px; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }
.steps ol { list-style: none; counter-reset: s; margin: 0; padding: 0; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px dashed var(--line); }
.steps li::before { content: "0" counter(s); font: 700 28px var(--display); color: transparent; -webkit-text-stroke: 1px var(--violet); }
.steps li b { display: block; font-size: 18px; margin-bottom: 4px; }
.steps li span { color: var(--muted); }
pre.m3u {
  margin: 0; padding: 24px; border-radius: 18px; overflow-x: auto;
  background: var(--ink-2); border: 1px solid var(--line);
  font: 13px/1.8 var(--mono); color: var(--muted);
}
pre.m3u .k { color: var(--violet); }
pre.m3u .s { color: var(--cyan); }
pre.m3u .c { color: #fff; }

.notice {
  display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: start;
  padding: 36px; border-radius: 24px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.14), rgba(159, 232, 255, 0.05));
  border: 1px solid rgba(124, 92, 255, 0.4);
}
@media (max-width: 640px) { .notice { grid-template-columns: 1fr; padding: 24px; } }
.notice h2 { font-size: clamp(24px, 3vw, 34px); max-width: none; margin-bottom: 12px; }
.notice p { margin: 0 0 10px; color: var(--muted); }
.notice p strong { color: var(--text); }

details { border-bottom: 1px solid var(--line); padding: 20px 0; }
details summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details summary::after { content: "+"; font-family: var(--mono); color: var(--cyan); transition: transform 0.2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin: 12px 0 0; max-width: 70ch; }
.faq { margin-top: 32px; }
.contact { margin-top: 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; color: var(--muted); }

footer { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--muted); }

/* legal pages */
.legal { padding: 72px 0 96px; }
.legal article { width: min(720px, 100% - 32px); margin-inline: auto; }
.legal h1 { font-size: clamp(34px, 5vw, 52px); margin: 0 0 8px; }
.legal .updated { font: 13px var(--mono); color: var(--muted); margin-bottom: 40px; }
.legal h2 { font-size: 20px; margin: 40px 0 12px; max-width: none; letter-spacing: 0; }
.legal p, .legal li { color: #c9cdee; }
.legal ul { padding-left: 20px; }
.legal li { margin-bottom: 6px; }

/* load reveal */
.reveal { opacity: 0; transform: translateY(16px); animation: in 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) forwards; }
.d1 { animation-delay: 0.08s; } .d2 { animation-delay: 0.16s; } .d3 { animation-delay: 0.24s; } .d4 { animation-delay: 0.4s; }
@keyframes in { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}