:root {
  --bg: #0b0d14;
  --bg-2: #10131c;
  --card: #161a25;
  --border: #242a38;
  --text: #e8eaf1;
  --muted: #8f97ab;
  --accent: #6c8cff;
  --accent-2: #22d3ee;
  --green: #3ddc97;
  --amber: #f5b84a;
  --radius: 14px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, 92vw); margin: 0 auto; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(11, 13, 20, 0.75);
  border-bottom: 1px solid var(--border);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; color: var(--text); }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links .btn { padding: 8px 14px; color: var(--text); }
.nav-links .btn-primary, .nav-links .btn-primary:hover { color: #0b0d14; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 0.95rem;
  border: 1px solid var(--border); color: var(--text); background: var(--card);
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); border-color: #3a4358; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent; color: #0b0d14;
}
.btn-primary:hover { filter: brightness(1.06); }
/* The second button in a pair: present, but never competing with the first. */
.btn-quiet { background: transparent; }
.btn-quiet:hover { background: var(--card); }
.btn svg { width: 18px; height: 18px; }
.btn small { font-weight: 500; opacity: .75; }

/* Hero */
.hero { padding: 84px 0 56px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -20% auto -20%; height: 120%;
  background: radial-gradient(60% 50% at 30% 30%, rgba(108,140,255,.18), transparent 60%),
              radial-gradient(50% 45% at 75% 40%, rgba(34,211,238,.14), transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-2); }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.08; margin: 14px 0 18px; letter-spacing: -0.02em; }
h1 .grad { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34rem; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.fineprint { margin-top: 14px; color: var(--muted); font-size: .85rem; }

.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; filter: drop-shadow(0 30px 60px rgba(0,0,0,.45)); }

/* Sections */
section { padding: 72px 0; }
.section-title { font-size: clamp(1.7rem, 3vw, 2.3rem); letter-spacing: -0.02em; margin: 0 0 10px; }
.section-sub { color: var(--muted); max-width: 40rem; margin: 0 0 36px; }
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px;
}
.card h3 { margin: 12px 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.icon {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(108,140,255,.14); color: var(--accent);
}
.icon svg { width: 22px; height: 22px; }

/* The film */
.watch { text-align: center; padding-top: 40px; position: relative; }
.watch .section-sub { margin-left: auto; margin-right: auto; }
.player {
  position: relative; max-width: 980px; margin: 0 auto;
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  background: var(--bg); box-shadow: 0 30px 70px rgba(0, 0, 0, .55);
}
/* The same glow the hero sits in, so the player belongs to the page above it. */
.player::before {
  content: ""; position: absolute; inset: -30% -10%; z-index: -1;
  background: radial-gradient(50% 50% at 30% 20%, rgba(108, 140, 255, .22), transparent 65%),
              radial-gradient(45% 45% at 75% 60%, rgba(34, 211, 238, .16), transparent 65%);
  pointer-events: none;
}
/* The aspect ratio is declared so the page does not jump when the film loads. */
.player video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: var(--bg); }
.player .fallback { padding: 24px; color: var(--muted); }

.chapters {
  list-style: none; display: flex; flex-wrap: wrap; justify-content: center;
  gap: 8px; padding: 0; margin: 18px auto 0; max-width: 980px;
}
.chapters button {
  display: inline-flex; align-items: baseline; gap: 8px; cursor: pointer;
  font: inherit; font-size: .87rem; color: var(--muted);
  background: var(--card); border: 1px solid var(--border); border-radius: 999px;
  padding: 7px 15px; transition: color .12s ease, border-color .12s ease, transform .12s ease;
}
.chapters button:hover { color: var(--text); border-color: #3a4358; transform: translateY(-1px); }
.chapters button:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.chapters .at { color: var(--accent-2); font-weight: 600; font-variant-numeric: tabular-nums; }

/* Layout editor demo */
.editor {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; position: relative; min-height: 300px; overflow: hidden;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 40px 40px;
}
.screen {
  position: absolute; border-radius: 6px; border: 2px solid; padding: 8px 10px; font-size: .75rem; font-weight: 600;
  display: flex; align-items: flex-start;
}
.screen .tag { position: absolute; top: -26px; left: 0; padding: 3px 8px; border-radius: 5px; font-size: .72rem; color: #fff; white-space: nowrap; }
.screen.local { border-color: var(--accent); background: rgba(108,140,255,.16); color: var(--accent); }
.screen.local .tag { background: var(--accent); }
.screen.peer { border-color: var(--green); background: rgba(61,220,151,.14); color: var(--green); }
.screen.peer .tag { background: var(--green); color: #0b0d14; }
.screen.peer2 { border-color: var(--amber); background: rgba(245,184,74,.14); color: var(--amber); }
.screen.peer2 .tag { background: var(--amber); color: #0b0d14; }
.pointer-dot { position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 3px #0b0d14, 0 0 18px var(--accent-2); animation: glide 6s ease-in-out infinite; }
@keyframes glide {
  0%   { left: 18%; top: 44%; }
  35%  { left: 46%; top: 40%; }
  50%  { left: 62%; top: 52%; }
  75%  { left: 84%; top: 38%; }
  100% { left: 18%; top: 44%; }
}
.steps { counter-reset: step; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step::before {
  counter-increment: step; content: counter(step);
  flex: 0 0 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 700; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0b0d14;
}
.step h3 { margin: 4px 0 4px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); }

/* Download */
.dl { text-align: center; }
.dl .grid-2 { max-width: 860px; margin: 0 auto; text-align: left; }
.dl .grid-3 { max-width: 1040px; margin: 0 auto; text-align: left; }
.dl .card { display: flex; flex-direction: column; gap: 10px; }
.dl .card .btn { align-self: flex-start; margin-top: 8px; }
.dl .meta { font-size: .85rem; color: var(--muted); }
.note { margin: 26px auto 0; max-width: 860px; text-align: left; border: 1px dashed var(--border); border-radius: var(--radius); padding: 16px 20px; color: var(--muted); font-size: .9rem; }
.note strong { color: var(--text); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88em; background: rgba(255,255,255,.06); padding: 2px 6px; border-radius: 5px; }

/* FAQ */
details { border: 1px solid var(--border); border-radius: 10px; background: var(--card); padding: 0 18px; margin-bottom: 10px; }
summary { cursor: pointer; padding: 14px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; }
summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 1.2rem; }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 16px; color: var(--muted); }

footer { border-top: 1px solid var(--border); padding: 28px 0 40px; color: var(--muted); font-size: .9rem; }
footer .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  /* The section links belong to a page you are already scrolling; sign in and
     download do not, so they are the two that stay. */
  .nav-links a:not(.btn) { display: none; }
  .nav-links { gap: 10px; }
  .nav-links .btn { padding: 8px 12px; font-size: .9rem; }
  .hero { padding-top: 48px; }
  /* On a phone the chapter list is longer than the film is tall, so it reads
     as a list rather than as a wrapped row of chips. */
  .chapters { flex-direction: column; align-items: stretch; text-align: left; }
  .chapters button { width: 100%; }
}

/* On a narrow phone the brand and two buttons stop fitting side by side, and
   the one that can lose its words without losing its meaning is the person. */
@media (max-width: 460px) {
  .nav-links .btn-quiet { padding: 8px 10px; }
  .nav-links .btn-quiet .label { display: none; }
}

/* Account console (/account) */
.account { padding: 56px 0 96px; max-width: 860px; }
/* The console is panels in a column, not the landing page's tall sections. */
.account section { padding: 0; }
.page-title { font-size: clamp(1.9rem, 3.4vw, 2.6rem); letter-spacing: -0.02em; margin: 0 0 12px; }
.account .lead { margin: 0 0 28px; }
.muted { color: var(--muted); }

/* One state is on screen at a time, and the page starts on "loading" so a
   visitor who is already signed in is never shown the sign-in panel. */
[data-when] { display: none; }
body[data-state="loading"] [data-when~="loading"],
body[data-state="signed-out"] [data-when~="signed-out"],
body[data-state="signed-in"] [data-when~="signed-in"],
body[data-state="error"] [data-when~="error"] { display: block; }

.panel {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 26px;
}
.panel h2 { margin: 0 0 10px; font-size: 1.15rem; }
.panel p { color: var(--muted); margin: 0 0 14px; max-width: 46rem; }
.panel p:last-child { margin-bottom: 0; }
/* Google's own button, the way every other site shows it: the mark in its
   colours on white, with the words that say what pressing it does. Somebody
   arriving here should recognise the log-in before they read the page. */
.google-btn {
  display: inline-flex; align-items: center; gap: 12px; cursor: pointer;
  font: inherit; font-size: .95rem; font-weight: 600;
  background: #fff; color: #1f1f1f;
  border: 1px solid #dadce0; border-radius: 10px;
  padding: 12px 22px; margin: 2px 0 20px;
  transition: box-shadow .12s ease, transform .12s ease;
}
.google-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0, 0, 0, .45); }
.google-btn:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }
.google-btn:disabled { opacity: .6; cursor: default; transform: none; box-shadow: none; }
.google-btn svg { width: 18px; height: 18px; }
.signin .fineprint { margin: 0; }

.banner {
  border-radius: 10px; padding: 12px 16px; margin: 0 0 20px; font-size: .92rem;
  border: 1px solid var(--border); background: var(--bg-2);
}
.banner.ok { border-color: rgba(61, 220, 151, .5); color: var(--green); }
.banner.bad { border-color: rgba(245, 184, 74, .5); color: var(--amber); }

.account-head {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; margin-bottom: 16px;
}
.account-head strong { color: var(--text); }
.account-actions { display: flex; gap: 8px; }
.account-actions .btn { padding: 8px 14px; }
.count { color: var(--muted); }
.count::before { content: "·"; margin: 0 8px; }

/* The list */
.devices { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 12px; }
.device {
  display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; align-items: center;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px;
}
.device-head { grid-area: 1 / 1; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-weight: 600; }
.device-meta { grid-area: 2 / 1; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; color: var(--muted); font-size: .85rem; }
.device-actions { grid-area: 1 / 2 / 3 / 3; display: flex; gap: 8px; }
.device-meta .sep { opacity: .5; }
.device-meta .key { background: rgba(255,255,255,.06); padding: 1px 6px; }
.when.online { color: var(--green); }
.when.stale { color: var(--amber); }

.badge {
  font-size: .72rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 2px 9px;
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: 0 0 auto; }
.dot.online { background: var(--green); box-shadow: 0 0 10px var(--green); }
.dot.stale { background: var(--amber); }

.ghost {
  font: inherit; font-size: .85rem; font-weight: 600; cursor: pointer;
  color: var(--muted); background: transparent; border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 12px;
  transition: color .12s ease, border-color .12s ease;
}
.ghost:hover { color: var(--text); border-color: #3a4358; }
.ghost.danger:hover { color: var(--amber); border-color: var(--amber); }
.ghost:disabled, .btn:disabled { opacity: .55; cursor: default; }

/* The question, asked in the row it is about. */
.confirm { grid-column: 1 / -1; border-top: 1px solid var(--border); margin-top: 12px; padding-top: 14px; }
.confirm p { margin: 0 0 10px; color: var(--muted); font-size: .9rem; }
.confirm .fineprint { margin-top: 0; }
.confirm-actions { display: flex; gap: 8px; }
.confirm-actions .btn { padding: 9px 16px; font-size: .9rem; }
.btn-danger { border-color: var(--amber); color: var(--amber); }
.btn-danger:hover { background: rgba(245, 184, 74, .12); }

@media (max-width: 640px) {
  .device { grid-template-columns: 1fr; }
  .device-actions { grid-area: auto; margin-top: 6px; }
}