/* PolyOS 7 showcase site. Palette from the PolyOS shell (ui/css/polyos.css). */

@font-face { font-family: "Poppins"; font-weight: 500; font-display: swap; src: url("fonts/Poppins-Medium.ttf") format("truetype"); }
@font-face { font-family: "Poppins"; font-weight: 600; font-display: swap; src: url("fonts/Poppins-SemiBold.ttf") format("truetype"); }
@font-face { font-family: "Poppins"; font-weight: 700; font-display: swap; src: url("fonts/Poppins-Bold.ttf") format("truetype"); }

:root {
  color-scheme: dark;
  --bg: #111113;
  --bg-2: #18181b;
  --card: #1d1d21;
  --card-2: #25252a;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --text: #f5f5f7;
  --text-2: #b5b5bc;
  --text-3: #8b8b93;
  --accent: #678fd9;
  --violet: #9b7fe0;
  --pink: #d97fb8;
  --accent-text: #a9c1ef;
  --radius: 22px;
  --display: "Poppins", "Segoe UI", system-ui, sans-serif;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Noto Sans", sans-serif;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
a { color: var(--accent-text); }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0; }
code { padding: 2px 7px; border-radius: 7px; background: var(--card-2); font: 0.88em ui-monospace, "Cascadia Code", Menlo, monospace; color: #e7ecff; }
.ico { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }

/* ---- buttons, nav ------------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; gap: 10px; height: 48px; padding: 0 22px; border-radius: 999px;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.06); color: var(--text);
  font: 600 15px var(--display); text-decoration: none; transition: background 0.15s, transform 0.1s;
}
.btn:hover { background: rgba(255, 255, 255, 0.12); }
.btn:active { transform: scale(0.97); }
.btn .ico { font-size: 18px; }
.btn.primary { background: var(--accent); border-color: transparent; color: #fff; }
.btn.primary:hover { background: #7a9de0; }
.btn.small { height: 38px; padding: 0 16px; font-size: 14px; }

.nav {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 24px;
  padding: 12px max(16px, calc((100% - var(--max)) / 2)); background: rgba(17, 17, 19, 0.78);
  backdrop-filter: blur(18px) saturate(1.4); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 600 18px var(--display); }
.brand b { color: var(--accent-text); }
.nav nav { display: flex; gap: 4px; margin-left: auto; }
.nav nav a { padding: 8px 12px; border-radius: 999px; color: var(--text-2); text-decoration: none; font: 500 14px var(--display); }
.nav nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.07); }
.nav.scrolled { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
.nav nav a[aria-current="true"] { color: var(--text); background: rgba(255, 255, 255, 0.08); }
.nav-progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; transform-origin: 0 50%; transform: scaleX(var(--progress, 0));
  background: linear-gradient(90deg, var(--accent), var(--violet), var(--pink)); pointer-events: none; }
.nav-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line-2); border-radius: 12px; background: rgba(255, 255, 255, 0.05); cursor: pointer;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-toggle span { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--text); transition: transform 0.2s var(--ease); }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
@media (max-width: 820px) {
  .nav { gap: 12px; }
  .nav .nav-account { margin-left: auto; }
  .nav-toggle { display: flex; }
  .nav nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 2px; margin: 0; padding: 10px 16px 16px;
    background: rgba(17, 17, 19, 0.97); border-bottom: 1px solid var(--line); }
  .nav nav.open { display: flex; animation: rise 0.2s var(--ease); }
  .nav nav a { padding: 12px 14px; font-size: 16px; border-radius: 12px; }
}
@media (max-width: 420px) { .nav .nav-account { padding: 0 12px; font-size: 0; gap: 0; } .nav .nav-account .ico { font-size: 18px; } }

/* ---- hero ---------------------------------------------------------------------- */
.hero {
  position: relative; display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: center; gap: 48px;
  max-width: var(--max); margin: 0 auto; padding: 72px 16px 56px; overflow: visible;
}
.hero-glow {
  position: absolute; inset: -80px 0 auto; height: 620px; z-index: -1; pointer-events: none;
  background:
    radial-gradient(40% 50% at 70% 40%, rgba(155, 127, 224, 0.35), transparent 70%),
    radial-gradient(35% 45% at 30% 60%, rgba(103, 143, 217, 0.28), transparent 70%),
    radial-gradient(25% 35% at 85% 70%, rgba(217, 127, 184, 0.2), transparent 70%);
  filter: blur(20px);
}
.eyebrow { margin: 0 0 12px; color: var(--accent-text); font: 600 13px var(--display); letter-spacing: 0.12em; text-transform: uppercase; }
.hero h1 { font-size: clamp(40px, 5.6vw, 68px); font-weight: 700; letter-spacing: -0.02em; }
.grad { background: linear-gradient(100deg, #a9c1ef, var(--violet) 55%, var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin: 22px 0 30px; max-width: 520px; color: var(--text-2); font-size: 18px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.frame {
  border-radius: 18px; overflow: hidden; border: 1px solid var(--line-2); background: #000;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 0, 0, 0.4), 0 0 80px rgba(103, 143, 217, 0.18);
}
.hero-shot { position: relative; margin: 0; animation: rise 0.9s var(--ease) both; }
.hero-shot .frame { transform: perspective(1600px) rotateY(var(--ry, -8deg)) rotateX(var(--rx, 3deg)); transition: transform 0.5s var(--ease); }
.hero-shot.tracking .frame { transition: transform 0.08s linear; }
.float-chip { position: absolute; display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 14px; font: 600 13.5px var(--display);
  background: rgba(29, 29, 33, 0.82); border: 1px solid var(--line-2); backdrop-filter: blur(14px); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  animation: bob 6s ease-in-out infinite; }
.float-chip .ico { font-size: 17px; color: #9fe38a; }
.chip-a { left: -18px; bottom: 16%; }
.chip-b { right: -10px; top: 12%; animation-delay: -3s; }
.chip-b .ico { color: var(--accent-text); }
@keyframes bob { 50% { transform: translateY(-8px); } }
.announce { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px; padding: 6px 14px 6px 6px; border-radius: 999px;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.04); color: var(--text-2); text-decoration: none; font: 500 14px var(--display);
  transition: border-color 0.2s, background 0.2s; }
.announce:hover { border-color: rgba(155, 127, 224, 0.6); background: rgba(155, 127, 224, 0.1); color: var(--text); }
.announce .ico { font-size: 15px; transition: transform 0.2s var(--ease); }
.announce:hover .ico { transform: translateX(3px); }
.announce-tag { padding: 3px 10px; border-radius: 999px; background: linear-gradient(100deg, var(--accent), var(--violet)); color: #fff; font-weight: 600; font-size: 12.5px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 22px 0 0; padding: 0; list-style: none; color: var(--text-3); font-size: 14px; }
.trust li { display: flex; align-items: center; gap: 6px; }
.trust .ico { color: #9fe38a; font-size: 16px; }
@keyframes rise { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .hero-shot .frame { transform: none; }
  .chip-a { left: 8px; } .chip-b { right: 8px; }
}

.stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; max-width: var(--max); margin: 0 auto 24px;
  border-radius: var(--radius); overflow: hidden; background: var(--line); border: 1px solid var(--line);
}
.stats div { display: flex; flex-direction: column; gap: 2px; padding: 22px 20px; background: var(--bg-2); }
.stats b { font: 700 32px var(--display); background: linear-gradient(100deg, #cbd9f7, var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats span { color: var(--text-3); font-size: 14px; }
@media (max-width: 820px) { .stats { grid-template-columns: repeat(2, 1fr); margin: 0 16px 24px; } .stats div:last-child { grid-column: span 2; } }

/* ---- sections -------------------------------------------------------------------- */
.section { max-width: var(--max); margin: 0 auto; padding: 72px 16px; }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head h2, .split h2 { font-size: clamp(30px, 3.6vw, 42px); font-weight: 700; letter-spacing: -0.01em; }
.section-head p:not(.eyebrow), .split p:not(.eyebrow) { color: var(--text-2); font-size: 17px; }

.features { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.feature {
  padding: 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line);
  transition: transform 0.2s var(--ease), border-color 0.2s, background 0.2s;
}
.feature:hover { transform: translateY(-3px); border-color: rgba(103, 143, 217, 0.4); background: var(--card-2); }
.feature > .ico {
  width: 44px; height: 44px; padding: 10px; margin-bottom: 16px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(103, 143, 217, 0.28), rgba(155, 127, 224, 0.28)); color: #cfdcf8;
}
.feature h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.feature p { margin: 0; color: var(--text-2); font-size: 14.5px; }
.features.compact .feature { padding: 20px; }

.lightbox {
  position: fixed; inset: 0; z-index: 50; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px;
  padding: 24px; background: rgba(5, 5, 8, 0.92); backdrop-filter: blur(10px); animation: fade 0.2s;
}
.lightbox[hidden] { display: none; }
@keyframes fade { from { opacity: 0; } }
.lightbox figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 14px; min-width: 0; }
.lightbox img { max-height: calc(100vh - 130px); width: auto; border-radius: 14px; border: 1px solid var(--line-2); }
.lightbox figcaption { text-align: center; color: var(--text-2); }
.lightbox figcaption b { display: block; color: var(--text); font: 600 18px var(--display); }
.lightbox button {
  display: grid; place-items: center; width: 48px; height: 48px; border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, 0.1); color: #fff; font-size: 22px; cursor: pointer;
}
.lightbox button:hover { background: rgba(255, 255, 255, 0.2); }
.lb-close { position: absolute; top: 18px; right: 18px; }
@media (max-width: 700px) { .lightbox { grid-template-columns: 1fr; } .lb-prev, .lb-next { display: none !important; } }

/* ---- editions -------------------------------------------------------------------- */
.editions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.edition { position: relative; padding: 28px; border-radius: 26px; background: var(--card); border: 1px solid var(--line); }
.edition.featured { background: linear-gradient(160deg, rgba(103, 143, 217, 0.22), rgba(155, 127, 224, 0.14) 60%, var(--card)); border-color: rgba(103, 143, 217, 0.45); }
.badge { display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 18px; border-radius: 17px; background: var(--accent); color: #fff; font-size: 26px; }
.edition h3 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.edition p { margin: 0 0 16px; color: var(--text-2); }
.edition ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.edition li { position: relative; padding-left: 24px; font-size: 14.5px; }
.edition li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--violet)); }
@media (max-width: 900px) { .editions { grid-template-columns: 1fr; } }

/* ---- split sections -------------------------------------------------------------- */
.split { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 48px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.split figure { margin: 0; }
.tilt { transform: perspective(1600px) rotateY(6deg); }
.modes { margin: 24px 0 0; display: grid; gap: 14px; }
.modes dt { font: 600 17px var(--display); }
.modes dt .ico { margin-right: 6px; font-size: 19px; vertical-align: -3px; color: var(--accent-text); }
.modes dd { margin: 2px 0 0; color: var(--text-2); }
.stack { display: grid; gap: 10px; }
.layer { display: flex; flex-direction: column; padding: 18px 22px; border-radius: 18px; background: var(--card); border: 1px solid var(--line); }
.layer b { font: 600 17px var(--display); }
.layer span { color: var(--text-2); font-size: 14.5px; }
.layer.accent { background: linear-gradient(120deg, rgba(103, 143, 217, 0.35), rgba(155, 127, 224, 0.3)); border-color: rgba(103, 143, 217, 0.5); }
.layer.base { background: var(--bg-2); }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .split.reverse > :first-child { order: 0; }
  .tilt { transform: none; }
}

/* ---- install, timeline, credits ---------------------------------------------------- */
.steps { counter-reset: step; margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.steps li { counter-increment: step; display: flex; flex-direction: column; gap: 6px; padding: 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.steps li::before {
  content: counter(step); display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 8px; border-radius: 50%;
  background: var(--accent); color: #fff; font: 700 17px var(--display);
}
.steps b { font: 600 17px var(--display); }
.steps span { color: var(--text-2); font-size: 14.5px; }
.note { margin-top: 22px; color: var(--text-2); }

.timeline { position: relative; margin: 0; padding: 0 0 0 30px; list-style: none; display: grid; gap: 26px; max-width: 780px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--accent), var(--violet), transparent); }
.timeline li { position: relative; }
.timeline li::before { content: ""; position: absolute; left: -30px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 3px solid var(--accent); }
.timeline time { color: var(--accent-text); font: 600 13px var(--display); letter-spacing: 0.04em; }
.timeline h3 { margin: 2px 0 6px; font-size: 20px; }
.timeline p { margin: 0; color: var(--text-2); }

.credits { text-align: center; max-width: 760px; }
.credits img { margin: 0 auto 14px; }
.credits h2 { font-size: 32px; margin-bottom: 14px; }
.credits p { color: var(--text-2); }
.credits .small { font-size: 13.5px; color: var(--text-3); }

.footer {
  display: flex; flex-wrap: wrap; align-items: center; gap: 22px; padding: 28px max(16px, calc((100% - var(--max)) / 2));
  border-top: 1px solid var(--line); color: var(--text-3); font-size: 14px;
}
.footer span { display: flex; align-items: center; gap: 8px; margin-right: auto; color: var(--text-2); font-family: var(--display); }
.footer a { color: var(--text-2); text-decoration: none; }
.footer a:hover { color: var(--text); }

/* ---- download --------------------------------------------------------------------- */
.download {
  display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; margin-bottom: 22px; padding: 30px;
  border-radius: 28px; border: 1px solid rgba(103, 143, 217, 0.45);
  background: linear-gradient(135deg, rgba(103, 143, 217, 0.22), rgba(155, 127, 224, 0.16) 55%, var(--card));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}
.dl-logo { width: 84px; height: 84px; filter: drop-shadow(0 10px 30px rgba(103, 143, 217, 0.45)); }
.dl-main h3 { font-size: 28px; font-weight: 700; }
.dl-version { color: var(--accent-text); font-weight: 600; font-size: 0.8em; }
.dl-meta { margin: 4px 0 16px; color: var(--text-2); }
.dl-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.btn.big { height: 54px; padding: 0 28px; font-size: 16.5px; }
.dl-note { margin: 14px 0 0; color: var(--text-3); font-size: 14px; }
.dl-links { margin: 4px 0 0; font-size: 14px; }
.dl-needs { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; min-width: 250px; }
.dl-needs li { display: flex; flex-direction: column; padding: 10px 14px; border-radius: 14px; background: rgba(0, 0, 0, 0.22); }
.dl-needs b { font: 600 14.5px var(--display); }
.dl-needs span { color: var(--text-3); font-size: 13px; }
@media (max-width: 900px) {
  .download { grid-template-columns: 1fr; padding: 24px; }
  .dl-logo { width: 64px; height: 64px; }
}
.dl-which { margin: 14px 0 0; max-width: 560px; color: var(--text-2); font-size: 14px; }
.dl-which b { color: var(--text); font-weight: 600; }
.dl-fresh { display: flex; gap: 10px; align-items: flex-start; margin: 14px 0 0; max-width: 560px; padding: 10px 14px;
  border-radius: 14px; background: rgba(0, 0, 0, 0.22); color: var(--text-2); font-size: 14px; }
.dl-fresh .ico { flex: none; width: 18px; height: 18px; margin-top: 1px; color: var(--accent-text); }
.dl-fresh b { color: var(--text); font-weight: 600; }
.btn small { font: 500 13px var(--font); opacity: 0.8; }

/* ---- install guide (after a download starts) ------------------------------------------------ */
.guide {
  width: min(640px, calc(100% - 32px)); max-height: calc(100vh - 48px); padding: 28px; border: 1px solid var(--line-2);
  border-radius: 26px; background: var(--bg-2); color: var(--text); box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6);
}
.guide::backdrop { background: rgba(5, 5, 8, 0.72); backdrop-filter: blur(6px); }
.guide[open] { animation: rise 0.3s var(--ease); }
.guide-close {
  position: absolute; top: 16px; right: 16px; display: grid; place-items: center; width: 38px; height: 38px;
  border: 0; border-radius: 50%; background: rgba(255, 255, 255, 0.08); color: var(--text); font-size: 18px; cursor: pointer;
}
.guide-close:hover { background: rgba(255, 255, 255, 0.16); }
.guide-head { display: flex; align-items: center; gap: 16px; padding-right: 40px; }
.guide-head h2 { font-size: 24px; }
.guide-head p { margin: 2px 0 0; color: var(--accent-text); font: 600 14px var(--display); }
.guide-lead { margin: 18px 0 14px; color: var(--text-2); }
.guide-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.guide-tabs button {
  height: 38px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: 999px; background: transparent;
  color: var(--text-2); font: 600 14px var(--display); cursor: pointer;
}
.guide-tabs button[aria-selected="true"] { background: var(--accent); border-color: transparent; color: #fff; }
.guide-steps { counter-reset: g; margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.guide-steps li { counter-increment: g; position: relative; padding: 14px 16px 14px 56px; border-radius: 16px; background: var(--card); color: var(--text-2); font-size: 14.5px; }
.guide-steps li[hidden] { display: none; }
.guide-steps li::before {
  content: counter(g); position: absolute; left: 14px; top: 14px; display: grid; place-items: center; width: 28px; height: 28px;
  border-radius: 50%; background: var(--accent); color: #fff; font: 700 14px var(--display);
}
.guide-steps b { display: block; margin-bottom: 2px; color: var(--text); font: 600 15.5px var(--display); }
kbd { padding: 1px 6px; border-radius: 6px; border: 1px solid var(--line-2); background: var(--card-2); font: 12.5px ui-monospace, monospace; color: var(--text); }
.guide-foot { margin: 16px 0 0; color: var(--text-3); font-size: 13.5px; }

/* ---- install guide (install.html) ------------------------------------------------------- */
.guide-main { max-width: 900px; margin: 0 auto; padding: 32px 24px 64px; }
.guide-hero { padding: 40px 0 28px; }
.guide-hero h1 { font-size: clamp(34px, 5vw, 52px); font-weight: 700; margin-bottom: 14px; }
.guide-hero > p { color: var(--text-2); font-size: 17px; max-width: 680px; }
.guide-toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; counter-reset: toc; }
.guide-toc li { counter-increment: toc; }
.guide-toc a { display: inline-flex; gap: 8px; padding: 8px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line);
  color: var(--text); text-decoration: none; font-size: 14px; }
.guide-toc a::before { content: counter(toc); color: var(--accent-text); font-weight: 700; }
.guide-toc a:hover { border-color: var(--line-2); background: var(--card-2); }
.guide-step { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 34px 0; border-top: 1px solid var(--line); }
.guide-num { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; font: 700 20px var(--display);
  background: linear-gradient(135deg, var(--accent), var(--violet)); color: #fff; }
.guide-step h2 { font-size: clamp(24px, 3vw, 30px); font-weight: 700; margin: 6px 0 14px; }
.guide-step p, .guide-step li, .guide-step dd { color: var(--text-2); }
.guide-step b { color: var(--text); }
.guide-list { padding-left: 20px; display: grid; gap: 10px; }
.callout { margin: 18px 0; padding: 18px 22px; border-radius: 18px; background: var(--card); border: 1px solid var(--line); }
.callout h3 { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.callout h3 .ico { color: var(--accent-text); font-size: 20px; }
.callout.warn { border-color: rgba(224, 161, 58, 0.45); background: color-mix(in srgb, #e0a13a 8%, var(--card)); }
.callout.warn h3 .ico { color: #f0b85a; }
.callout ol, .callout ul { padding-left: 20px; display: grid; gap: 6px; margin: 10px 0 0; }
.callout p { margin: 0; }
.guide-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14.5px; border-radius: 16px; overflow: hidden; }
.guide-table th, .guide-table td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.guide-table th { background: var(--card-2); font: 600 13px var(--display); color: var(--text); }
.guide-table td { background: var(--card); color: var(--text-2); }
.guide-table td:first-child { color: var(--text); font-weight: 600; }
kbd { display: inline-block; min-width: 1.6em; padding: 1px 7px; border-radius: 6px; border: 1px solid var(--line-2); border-bottom-width: 2px;
  background: var(--card-2); color: var(--text); font: 600 12.5px var(--font); text-align: center; }
.guide-choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 16px 0; }
.guide-choices article { padding: 18px 20px; border-radius: 18px; background: var(--card); border: 1px solid var(--line); }
.guide-choices h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.guide-choices p { margin: 0; font-size: 14.5px; }
.guide-faq dt { font: 600 16px var(--display); color: var(--text); margin-top: 18px; }
.guide-faq dd { margin: 6px 0 0; }
@media (max-width: 640px) {
  .guide-main { padding: 16px 16px 48px; }
  .guide-step { grid-template-columns: 1fr; gap: 10px; }
  .guide-table { display: block; overflow-x: auto; }
}

/* ---- what's new (index.html) ------------------------------------------------------------ */
.news { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.news article { padding: 22px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.news h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.news p { margin: 0; color: var(--text-2); font-size: 14.5px; }
.news-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; margin-bottom: 18px; }
.news-tag { padding: 4px 12px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 22%, transparent); color: var(--accent-text); font: 600 13px var(--display); }

/* ---- shared footer ------------------------------------------------------------------------ */
.site-foot { display: grid; gap: 14px; }
.site-foot .foot-brand { display: flex; align-items: center; gap: 10px; color: var(--text-2); font-family: var(--display); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.foot-note { margin: 0; color: var(--text-3); font-size: 13px; }
.muted { color: var(--text-3); }
.page-main { min-height: 60vh; }
.page-title { font-size: clamp(34px, 5vw, 52px); font-weight: 700; margin-bottom: 12px; }

/* ---- documents (docs, security, privacy, terms, support, updates) ------------------------------ */
.doc { max-width: 820px; margin: 0 auto; padding: 56px 24px 72px; }
.doc h1 { font-size: clamp(34px, 5vw, 50px); font-weight: 700; margin-bottom: 14px; }
.doc-intro { color: var(--text-2); font-size: 18px; margin: 0 0 8px; }
.doc-updated { color: var(--text-3); font-size: 14px; margin: 0 0 22px; }
.doc-toc ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 8px; padding: 0; list-style: none; }
.doc-toc a { display: inline-block; padding: 7px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--text-2); text-decoration: none; font-size: 14px; }
.doc-toc a:hover { color: var(--text); border-color: var(--line-2); }
.doc section { padding: 26px 0 6px; border-top: 1px solid var(--line); margin-top: 26px; }
.doc h2 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.doc p, .doc li { color: var(--text-2); }
.doc b { color: var(--text); }
.doc ul { padding-left: 20px; display: grid; gap: 8px; }
.faq { border-radius: 16px; background: var(--card); border: 1px solid var(--line); padding: 14px 18px; margin: 10px 0; }
.faq summary { cursor: pointer; font: 600 16px var(--display); }
.faq p { margin: 10px 0 2px; }
.support-form { max-width: 560px; }
textarea.af-input { height: auto; padding: 12px 14px; resize: vertical; font: inherit; }
.release-list { display: grid; gap: 16px; margin-top: 28px; }
.release { padding: 22px 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.release-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 10px; }
.release-head h2 { font-size: 22px; margin: 0; }
.release-head time { margin-left: auto; font-size: 14px; }
.release-notes p, .release-notes li { margin: 6px 0; color: var(--text-2); font-size: 15px; }
.release-notes li { margin-left: 18px; }
.news-tag.beta { background: color-mix(in srgb, #e0a13a 22%, transparent); color: #f0c47a; }
.notfound { text-align: center; display: grid; justify-items: center; gap: 10px; padding: 120px 24px; }
.notfound h1 { font-size: 40px; }

/* ---- forms --------------------------------------------------------------------------------- */
.af-form { display: grid; gap: 14px; }
.af-field { display: grid; gap: 6px; }
.af-field > span { font: 600 14px var(--display); color: var(--text); }
.af-field small { color: var(--text-3); font-size: 13px; }
.af-input { width: 100%; height: 46px; padding: 0 14px; border-radius: 12px; border: 1px solid var(--line-2); background: var(--bg-2);
  color: var(--text); font: 15px var(--font); }
.af-input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
select.af-input { appearance: auto; }
.af-check { display: flex; align-items: flex-start; gap: 10px; color: var(--text-2); font-size: 14.5px; }
.af-check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); flex: none; }
.af-error { margin: 0; padding: 10px 14px; border-radius: 12px; background: rgba(217, 83, 79, 0.14); color: #ffb4b0; font-size: 14px; }
.af-ok { margin: 0; padding: 10px 14px; border-radius: 12px; background: rgba(129, 216, 98, 0.12); color: #b9f0a4; font-size: 14px; }
.btn.wide { width: 100%; justify-content: center; }
.btn.danger { border-color: rgba(217, 83, 79, 0.5); color: #ffb4b0; }
.btn.danger:hover { background: rgba(217, 83, 79, 0.16); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-row { display: flex; gap: 10px; align-items: center; }
.btn-row.wrap { flex-wrap: wrap; }

/* ---- Poly Account ------------------------------------------------------------------------------ */
.acct-wrap { min-height: calc(100vh - 160px); padding: 28px max(16px, calc((100% - var(--max)) / 2)) 56px; }
.acct-loading { color: var(--text-3); padding: 60px 0; text-align: center; }
/* Signed out: one box in the middle of the page, like most sign-in pages. */
.acct-wrap:has(.auth-card) { display: grid; place-items: center; padding-top: 40px; padding-bottom: 64px;
  background: radial-gradient(600px 380px at 50% 30%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%); }
.acct-wrap:has(.auth-card) > .acct-app { width: 100%; }
.auth-card { width: 100%; max-width: 420px; margin: 0 auto; padding: 36px 32px 30px; border-radius: 24px; background: var(--card);
  border: 1px solid var(--line-2); box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45); display: grid; gap: 18px; }
.auth-head { display: grid; justify-items: center; gap: 8px; text-align: center; margin-bottom: 4px; }
.auth-logo { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 6px; border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--violet)); box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 35%, transparent); }
.auth-logo img { width: 30px; height: 30px; }
.auth-card h1 { font-size: 26px; font-weight: 700; line-height: 1.2; }
.auth-sub { margin: 0; color: var(--text-2); font-size: 15px; }
.auth-links { margin: 0; color: var(--text-3); font-size: 14px; text-align: center; }
.auth-foot { margin: 2px 0 0; color: var(--text-2); font-size: 14.5px; text-align: center; }
.auth-foot a, .af-aside { color: var(--accent-text); font-weight: 600; text-decoration: none; }
.auth-foot a:hover, .af-aside:hover { text-decoration: underline; }
.auth-note { margin: 0; padding-top: 14px; border-top: 1px solid var(--line); color: var(--text-3); font-size: 13px; text-align: center; }
.auth-or { display: flex; align-items: center; gap: 12px; color: var(--text-3); font-size: 13px; }
.auth-or::before, .auth-or::after { content: ""; flex: 1; height: 1px; background: var(--line-2); }
.auth-card .btn.wide { height: 46px; }
.af-label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.af-label-row > span { font: 600 14px var(--display); color: var(--text); }
.af-aside { font: 500 13.5px var(--font); }
.af-pass { position: relative; display: block; }
.af-pass .af-input { padding-right: 46px; }
.af-eye { position: absolute; top: 50%; right: 6px; transform: translateY(-50%); display: grid; place-items: center; width: 34px; height: 34px;
  border: 0; border-radius: 9px; background: none; color: var(--text-3); cursor: pointer; font-size: 18px; }
.af-eye:hover { background: var(--card-2); color: var(--text); }
.af-eye.on { color: var(--accent-text); }
.af-input::placeholder { color: var(--text-3); opacity: 0.8; }
.af-input.mono { font-family: ui-monospace, "Cascadia Code", Menlo, monospace; letter-spacing: 0.04em; }
.af-two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.af-checks { display: grid; gap: 10px; padding: 2px 0; }
.af-pair { display: grid; gap: 6px; }
.af-hint { color: var(--text-3); font-size: 13px; }
.recovery-key { padding: 18px; border-radius: 16px; background: var(--bg-2); border: 1px dashed var(--line-2); text-align: center;
  font: 600 20px ui-monospace, "Cascadia Code", Menlo, monospace; letter-spacing: 0.06em; color: #e7ecff; word-break: break-all; }
.recovery-key.masked { color: var(--text-3); }
.acct { display: grid; grid-template-columns: 250px 1fr; gap: 28px; align-items: start; }
.acct-side { position: sticky; top: 84px; display: grid; gap: 16px; padding: 16px; border-radius: 24px; background: var(--card); border: 1px solid var(--line); }
.acct-me { display: flex; align-items: center; gap: 12px; padding: 4px 6px 12px; border-bottom: 1px solid var(--line); }
.acct-me div { display: grid; min-width: 0; }
.acct-me b { font-family: var(--display); }
.acct-me small { color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acct-avatar { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--violet)); font: 700 17px var(--display); }
.acct-nav, .acct-foot { display: grid; gap: 2px; }
.acct-nav a, .acct-foot a, .acct-foot button { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 12px; border: 0;
  background: none; color: var(--text-2); text-decoration: none; font: 500 15px var(--display); text-align: left; cursor: pointer; }
.acct-nav a:hover, .acct-foot a:hover, .acct-foot button:hover { background: var(--card-2); color: var(--text); }
.acct-nav a[aria-current="page"] { background: color-mix(in srgb, var(--accent) 22%, transparent); color: var(--text); }
.acct-nav .ico, .acct-foot .ico { font-size: 19px; }
.acct-foot { padding-top: 12px; border-top: 1px solid var(--line); }
.acct-main { display: grid; gap: 18px; min-width: 0; }
.acct-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 4px; }
.acct-head h1 { font-size: clamp(28px, 3.4vw, 38px); font-weight: 700; }
.acct-head p { margin: 6px 0 0; color: var(--text-2); }
.acct-card { padding: 22px 24px; border-radius: 22px; background: var(--card); border: 1px solid var(--line); display: grid; gap: 12px; }
.acct-card h2 { font-size: 18px; font-weight: 600; }
.acct-card p { margin: 0; color: var(--text-2); }
.acct-card details summary { cursor: pointer; font: 600 15px var(--display); color: var(--accent-text); }
.acct-card details[open] summary { margin-bottom: 12px; }
.acct-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.acct-banner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; border-radius: 18px;
  background: color-mix(in srgb, var(--accent) 16%, var(--card)); border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); }
.acct-banner.soft { background: var(--card); border-color: var(--line-2); }
.acct-banner span { color: var(--text-2); }
.kv { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.kv:last-of-type { border-bottom: 0; }
.kv span { color: var(--text-3); }
.kv b { font-weight: 500; text-align: right; overflow-wrap: anywhere; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.checks li { display: flex; align-items: center; gap: 10px; color: var(--text-2); }
.checks li.ok .ico { color: #81d862; }
.checks li.todo .ico { color: #e0a13a; }
.dev-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.dev-card { padding: 20px; border-radius: 22px; background: var(--card); border: 1px solid var(--line); display: grid; gap: 12px; }
.dev-top { display: flex; align-items: center; gap: 12px; }
.dev-top > .ico { font-size: 28px; color: var(--accent-text); }
.dev-top div { display: grid; flex: 1; min-width: 0; }
.dev-top b { font-family: var(--display); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dev-top small { color: var(--text-3); }
.dot { font-size: 13px; color: var(--text-3); white-space: nowrap; }
.dot::before { content: "○ "; }
.dot.on { color: #9fe38a; }
.dot.on::before { content: "● "; }
.dev-meta { margin: 0; color: var(--text-3); font-size: 14px; }
.history, .sessions { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.history li { padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--text-3); font-size: 14.5px; }
.history li b { color: var(--text); font-weight: 500; }
.sessions li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.sessions li div { display: grid; }
.sessions small { color: var(--text-3); }
.toggle-row, .radio-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.radio-row { justify-content: flex-start; }
.toggle-row div, .radio-row div { display: grid; }
.toggle-row small, .radio-row small { color: var(--text-3); font-size: 13.5px; }
.toggle-row input[type="checkbox"] { appearance: none; width: 44px; height: 26px; flex: none; border-radius: 999px; background: var(--card-2);
  border: 1px solid var(--line-2); position: relative; cursor: pointer; transition: background 0.15s; }
.toggle-row input[type="checkbox"]::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #d9d9de; transition: transform 0.15s; }
.toggle-row input[type="checkbox"]:checked { background: var(--accent); border-color: transparent; }
.toggle-row input[type="checkbox"]:checked::after { transform: translateX(18px); background: #fff; }
.toggle-row input:disabled { opacity: 0.55; cursor: not-allowed; }
.radio-row input { width: 18px; height: 18px; accent-color: var(--accent); flex: none; }
.radio-list { display: grid; }
.acct-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.acct-table th, .acct-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.acct-table th { color: var(--text-3); font: 600 13px var(--display); }
.notes pre { white-space: pre-wrap; font: 14px/1.6 var(--font); color: var(--text-2); margin: 0; }
.code-input { font: 600 28px ui-monospace, Menlo, monospace; letter-spacing: 0.2em; text-align: center; height: 60px; max-width: 260px; }
.danger-zone summary { color: #ffb4b0 !important; }
@media (max-width: 900px) {
  .acct { grid-template-columns: 1fr; }
  .acct-side { position: static; }
  .acct-nav { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .acct-cols { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .acct-wrap:has(.auth-card) { padding-top: 20px; place-items: start center; }
  .auth-card { padding: 28px 20px 24px; border-radius: 20px; }
  .af-two { grid-template-columns: 1fr; }
  .acct-card { padding: 18px; }
  .acct-table th:nth-child(3), .acct-table td:nth-child(3) { display: none; }
}
.acct-card { align-content: start; }
.acct-card > .btn, .acct-card > a.btn, .acct-card form > .btn, .acct-banner .btn, .af-form > button.btn:not(.wide) { justify-self: start; width: auto; }
@media (max-width: 900px) {
  .acct-side { gap: 10px; padding: 12px; }
  .acct-me { padding-bottom: 8px; }
  .acct-nav { display: flex; overflow-x: auto; gap: 4px; scrollbar-width: none; grid-template-columns: none; }
  .acct-nav a { flex: none; padding: 8px 12px; }
  .acct-foot { display: flex; flex-wrap: wrap; gap: 4px; padding-top: 8px; }
  .acct-foot a, .acct-foot button { padding: 6px 10px; font-size: 13.5px; }
  .acct-foot .ico { display: none; }
}

/* ---- home page: reveal on scroll ------------------------------------------------------------ */
.reveal.pending { opacity: 0; transform: translateY(22px); }
.reveal.in { opacity: 1; transform: none; transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }

/* ---- feature cards (bento) --------------------------------------------------------------------- */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card {
  position: relative; overflow: hidden; padding: 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line);
  transition: transform 0.25s var(--ease), border-color 0.25s;
}
.card::before { /* a soft light that follows the pointer */
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity 0.3s; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(155, 127, 224, 0.16), transparent 45%);
}
.card:hover { transform: translateY(-3px); border-color: rgba(103, 143, 217, 0.4); }
.card:hover::before { opacity: 1; }
.card.wide { grid-column: span 2; }
.card > .ico {
  width: 44px; height: 44px; padding: 10px; margin-bottom: 16px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(103, 143, 217, 0.28), rgba(155, 127, 224, 0.28)); color: #cfdcf8;
}
.card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.card p { margin: 0; color: var(--text-2); font-size: 14.5px; }
.card b { color: var(--text); }
@media (max-width: 900px) { .bento { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .bento { grid-template-columns: 1fr; } .card.wide { grid-column: auto; } }

/* ---- the tour: one big screenshot, a row of small ones ---------------------------------------- */
.tour { display: grid; gap: 18px; max-width: 1000px; }
.tour-tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 5px; border-radius: 999px; background: var(--bg-2); border: 1px solid var(--line); justify-self: start; }
.tour-tabs button {
  height: 38px; padding: 0 18px; border: 0; border-radius: 999px; background: transparent; color: var(--text-2);
  font: 600 14px var(--display); cursor: pointer; transition: background 0.2s, color 0.2s;
}
.tour-tabs button:hover { color: var(--text); }
.tour-tabs button[aria-selected="true"] { background: var(--accent); color: #fff; }
.tour-body { display: grid; gap: 14px; }
.tour-view { margin: 0; display: grid; gap: 14px; min-width: 0; }
@media (min-width: 1000px) {
  /* the big screenshot and a column of small ones beside it: one picture's height, not a long scroll */
  .tour-body { grid-template-columns: minmax(0, 1fr) 172px; gap: 18px; align-items: start; }
  .tour-screen, .tour-view figcaption { max-width: none; }
  .tour-strip { flex-direction: column; overflow-x: hidden; overflow-y: auto; max-height: 520px; padding: 2px 8px 2px 2px; scroll-snap-type: y mandatory; }
  .tour-thumb { width: 100%; }
}
@media (min-width: 1000px) and (max-width: 1180px) { .tour-strip { max-height: 420px; } }
.tour-screen { position: relative; max-width: 820px; }
.tour-zoom { display: block; position: relative; width: 100%; padding: 0; border: 1px solid var(--line-2); border-radius: 18px; overflow: hidden; background: #000;
  cursor: zoom-in; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45); }
.tour-zoom img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: opacity 0.25s; }
.tour-zoom img.swap { opacity: 0.25; }
.tour-zoom-hint { position: absolute; right: 14px; bottom: 14px; display: flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px;
  background: rgba(10, 10, 12, 0.7); backdrop-filter: blur(8px); color: #fff; font: 600 13px var(--display); opacity: 0; transition: opacity 0.2s; }
.tour-zoom:hover .tour-zoom-hint, .tour-zoom:focus-visible .tour-zoom-hint { opacity: 1; }
.tour-arrow { position: absolute; top: 50%; transform: translateY(-50%); display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%;
  background: rgba(10, 10, 12, 0.6); backdrop-filter: blur(8px); color: #fff; font-size: 20px; cursor: pointer; transition: background 0.2s; }
.tour-arrow:hover { background: rgba(103, 143, 217, 0.85); }
.tour-arrow.prev { left: 12px; } .tour-arrow.next { right: 12px; }
.tour-view figcaption { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; max-width: 820px; }
.tour-view figcaption b { font: 600 18px var(--display); }
.tour-view figcaption span { color: var(--text-2); }
.tour-count { margin-left: auto; color: var(--text-3) !important; font: 600 13px var(--display); }
.tour-strip { display: flex; gap: 10px; overflow-x: auto; padding: 2px 2px 10px; scroll-snap-type: x mandatory; scrollbar-width: thin; max-width: 820px; }
.tour-thumb { flex: none; width: 150px; scroll-snap-align: start; border-radius: 12px; border: 2px solid transparent; overflow: hidden; opacity: 0.6;
  transition: opacity 0.2s, border-color 0.2s, transform 0.2s var(--ease); }
.tour-thumb img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.tour-thumb:hover { opacity: 1; transform: translateY(-2px); }
.tour-thumb[aria-current="true"] { opacity: 1; border-color: var(--accent); }
@media (max-width: 700px) { .tour-arrow { width: 36px; height: 36px; font-size: 16px; } .tour-thumb { width: 120px; } .tour-tabs { justify-self: stretch; border-radius: 18px; } }

/* ---- lists with ticks, FAQ, "show more" ---------------------------------------------------- */
.ticks { margin: 22px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.ticks li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-2); }
.ticks .ico { flex: none; width: 30px; height: 30px; padding: 6px; border-radius: 10px; color: #cfdcf8;
  background: linear-gradient(135deg, rgba(103, 143, 217, 0.3), rgba(155, 127, 224, 0.3)); }
.ticks b { color: var(--text); }
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
.faq-list .faq { margin: 0; transition: border-color 0.2s, background 0.2s; }
.faq-list .faq[open] { border-color: rgba(103, 143, 217, 0.45); background: var(--card-2); }
.faq summary { list-style: none; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.07); font: 600 18px var(--display); color: var(--accent-text); transition: transform 0.25s var(--ease); }
.faq[open] summary::after { transform: rotate(45deg); }
.faq p { color: var(--text-2); }
@media (max-width: 800px) { .faq-list { grid-template-columns: 1fr; } }
.more { margin-top: 26px; max-width: 780px; }
.more > summary { display: inline-flex; align-items: center; gap: 8px; height: 42px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--line-2);
  cursor: pointer; font: 600 14.5px var(--display); list-style: none; }
.more > summary::-webkit-details-marker { display: none; }
.more > summary:hover { background: rgba(255, 255, 255, 0.06); }
.more[open] > summary { margin-bottom: 26px; }

/* ---- disclaimer box, back to top ---------------------------------------------------------- */
.disclaimer-box { display: flex; gap: 14px; align-items: flex-start; margin: 26px auto 0; padding: 18px 20px; max-width: 720px; text-align: left;
  border-radius: 18px; border: 1px solid rgba(224, 161, 58, 0.4); background: color-mix(in srgb, #e0a13a 7%, var(--card)); }
.disclaimer-box .ico { flex: none; font-size: 22px; color: #f0b85a; margin-top: 2px; }
.disclaimer-box p { margin: 0; color: var(--text-2); font-size: 14.5px; }
.to-top { position: fixed; right: 20px; bottom: 20px; z-index: 30; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--line-2); background: rgba(29, 29, 33, 0.9); color: var(--text); font-size: 20px; cursor: pointer; backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4); animation: rise 0.3s var(--ease); }
.to-top .ico { transform: rotate(-90deg); }
.to-top:hover { background: var(--accent); border-color: transparent; }

/* ---- footer --------------------------------------------------------------------------------- */
.site-foot { gap: 26px; padding-top: 44px; padding-bottom: 32px; background: linear-gradient(transparent, rgba(103, 143, 217, 0.05)); }
.foot-top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 28px; }
.foot-about p { margin: 12px 0 16px; max-width: 320px; color: var(--text-3); font-size: 14px; }
.site-foot .foot-top nav { display: flex; flex-direction: column; gap: 9px; }
.site-foot h4 { margin: 0 0 4px; color: var(--text); font: 600 14px var(--display); }
.foot-note { padding-top: 20px; border-top: 1px solid var(--line); }
@media (max-width: 800px) { .foot-top { grid-template-columns: 1fr 1fr; } .foot-about { grid-column: 1 / -1; } }