/* ============================================================
   Landing — "live signal" dark UI (mobile-first, RTL-safe)
   Accent colors are CSS variables: change --acc / --acc-2 to re-skin.
   ============================================================ */

:root {
  --acc: #86f06a;
  --acc-2: #29d3a8;
  --acc-ink: #04160c;
  --acc-grad: linear-gradient(120deg, var(--acc), var(--acc-2));
  --live: #ff4b5c;
  --gold: #ffc94d;

  --bg: #05080d;
  --bg-2: #0a0f17;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.085);
  --line-acc: rgba(134, 240, 106, 0.28);
  --text: #eaf2ee;
  --dim: #9aa9a3;
  --faint: #66746f;

  --r-lg: 24px;
  --r-md: 18px;
  --r-sm: 12px;
  --nav-h: 60px;
  --font: "Sora", "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mq-dir: -1;
}
[dir="rtl"] { --mq-dir: 1; }

/* ------------------------------ Base ------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(70% 45% at 85% -5%, rgba(134, 240, 106, 0.12), transparent 70%),
    radial-gradient(60% 40% at 0% 45%, rgba(41, 211, 168, 0.07), transparent 70%),
    linear-gradient(180deg, var(--bg), var(--bg-2) 60%, var(--bg));
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: rgba(134, 240, 106, 0.3); }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip {
  position: absolute; inset-inline-start: 12px; top: -60px; z-index: 999;
  background: var(--acc); color: var(--acc-ink); padding: 10px 16px; border-radius: 10px; font-weight: 700;
}
.skip:focus { top: 12px; }

h1, h2, h3 { font-weight: 800; line-height: 1.12; letter-spacing: -0.025em; }
h1, h2 { text-wrap: balance; }
h1 em, h2 em {
  font-style: normal;
  background: var(--acc-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Tight tracking hurts joined (Arabic) and CJK glyphs — reset it there. */
html[lang="ar"] * { letter-spacing: 0 !important; }
html[lang|="zh"] h1, html[lang|="zh"] h2, html[lang|="zh"] h3 { letter-spacing: 0; }

/* ------------------------------ Buttons ------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 44px; padding: 0 22px;
  border-radius: 999px; font-weight: 700; font-size: 0.95rem; line-height: 1;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s, border-color 0.25s;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--primary {
  background: var(--acc-grad); color: var(--acc-ink);
  box-shadow: 0 10px 30px -8px rgba(134, 240, 106, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -8px rgba(134, 240, 106, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.5); }
.btn--primary:active { transform: translateY(0) scale(0.98); }
.btn--ghost { border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(8px); }
.btn--ghost:hover { border-color: var(--line-acc); background: var(--panel-2); }
.btn--sm { min-height: 38px; padding: 0 16px; font-size: 0.85rem; }
.btn--lg { min-height: 54px; padding: 0 28px; font-size: 1.02rem; }
.btn--xl { min-height: 60px; padding: 0 34px; font-size: 1.1rem; width: 100%; }
.btn--pulse { position: relative; }
.btn--pulse::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit;
  border: 2px solid var(--acc); opacity: 0; animation: ring 2.6s ease-out infinite; pointer-events: none;
}
@keyframes ring { 0% { opacity: 0.7; transform: scale(1); } 70%, 100% { opacity: 0; transform: scale(1.14, 1.35); } }

/* ------------------------------ Brand mark ------------------------------ */
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.brand-name { font-weight: 800; letter-spacing: -0.02em; font-size: 1.05rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-mark {
  display: inline-grid; place-items: center; flex: none;
  width: 36px; height: 36px; border-radius: 11px; overflow: hidden;
  background: var(--acc-grad); color: var(--acc-ink); font-weight: 800; font-size: 0.9rem;
}
.brand-mark.has-image { background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); }
.brand-mark-image { width: 100%; height: 100%; object-fit: cover; }
.brand-mark.lg { width: 64px; height: 64px; border-radius: 18px; font-size: 1.3rem; }

/* ------------------------------ Nav ------------------------------ */
.nav {
  position: sticky; top: 0; z-index: 100; height: var(--nav-h);
  background: rgba(5, 8, 13, 0.55); backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent; transition: background 0.3s, border-color 0.3s;
}
.nav.scrolled { background: rgba(5, 8, 13, 0.85); border-bottom-color: var(--line); }
.nav__in { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.nav__links { display: none; gap: 4px; }
.nav__links a { padding: 8px 14px; border-radius: 999px; color: var(--dim); font-size: 0.9rem; font-weight: 600; transition: color 0.2s, background 0.2s; }
.nav__links a:hover { color: var(--text); background: var(--panel-2); }
.nav__end { display: flex; align-items: center; gap: 8px; }

.lang { position: relative; }
.lang__btn {
  display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--panel);
  font-size: 0.8rem; font-weight: 700; color: var(--dim); transition: border-color 0.2s, color 0.2s;
}
.lang__btn:hover { border-color: var(--line-acc); color: var(--text); }
.lang__btn svg { width: 16px; height: 16px; }
.lang__menu {
  position: absolute; inset-inline-end: 0; top: calc(100% + 8px); min-width: 180px; z-index: 5;
  padding: 6px; border: 1px solid var(--line); border-radius: 16px;
  background: rgba(12, 17, 25, 0.96); backdrop-filter: blur(14px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.55);
  opacity: 0; visibility: hidden; transform: translateY(-6px); transition: 0.2s var(--ease);
}
.lang__menu.open { opacity: 1; visibility: visible; transform: none; }
.lang__menu li {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 12px; border-radius: 10px; cursor: pointer; font-size: 0.9rem; color: var(--dim);
}
.lang__menu li:hover, .lang__menu li:focus-visible { background: var(--panel-2); color: var(--text); }
.lang__menu li.active { color: var(--acc); }
.lang__menu .code { font-family: var(--mono); font-size: 0.7rem; opacity: 0.7; }

/* ------------------------------ Hero ------------------------------ */
.hero { position: relative; padding: 28px 0 8px; overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0; pointer-events: none; z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 25%, #000 20%, transparent 75%);
  mask-image: radial-gradient(70% 70% at 50% 25%, #000 20%, transparent 75%);
}
.hero__grid { display: grid; gap: 28px; }
.hero__copy { position: relative; z-index: 2; }

.pill {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px 7px 12px;
  border: 1px solid var(--line-acc); border-radius: 999px;
  background: rgba(134, 240, 106, 0.08); color: var(--acc);
  font-family: var(--mono); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 0 rgba(255, 75, 92, 0.6); animation: blink 1.8s infinite; }
@keyframes blink { 0% { box-shadow: 0 0 0 0 rgba(255, 75, 92, 0.55); } 70%, 100% { box-shadow: 0 0 0 9px rgba(255, 75, 92, 0); } }

.hero h1 { margin-top: 16px; font-size: clamp(1.85rem, 8vw, 3.7rem); letter-spacing: -0.035em; }
.hero-sub { margin-top: 14px; color: var(--dim); font-size: 0.95rem; max-width: 560px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.chips li {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px 6px 8px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--panel);
  font-size: 0.78rem; font-weight: 600; color: var(--text);
}
.chips li::before, .extra__list li::before, .install__points li::before {
  content: ""; flex: none; width: 16px; height: 16px; border-radius: 50%;
  background: var(--acc) center / 10px 10px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2304160c' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E");
}
.hero__cta { display: grid; gap: 8px; margin-top: 22px; }
.hero__cta .btn--ghost { min-height: 48px; font-size: 0.95rem; }
.trust { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-top: 20px; font-size: 0.82rem; color: var(--dim); }
.trust .stars { color: var(--gold); letter-spacing: 2px; font-size: 0.95rem; }
.trust b { color: var(--text); font-weight: 700; }
.trust .sep { width: 3px; height: 3px; border-radius: 50%; background: var(--faint); }

/* phones */
.hero__stage { position: relative; width: min(100%, 460px); aspect-ratio: 1 / 0.92; margin-inline: auto; }
.phones { position: absolute; inset: 0; }
.phone { position: absolute; bottom: 0; width: 46%; margin: 0; filter: drop-shadow(0 30px 38px rgba(0, 0, 0, 0.6)); }
.phone img { width: 100%; height: auto; }
.phone--c { inset-inline-start: 27%; z-index: 3; bottom: -36px; }
.phone--l { inset-inline-start: 0; z-index: 1; width: 40%; bottom: -10px; transform: rotate(-9deg); transform-origin: 80% 100%; opacity: 0.92; }
.phone--r { inset-inline-end: 0; z-index: 2; width: 40%; bottom: -10px; transform: rotate(9deg); transform-origin: 20% 100%; opacity: 0.92; }
[dir="rtl"] .phone--l { transform: rotate(9deg); }
[dir="rtl"] .phone--r { transform: rotate(-9deg); }
.hero__stage::before {
  content: ""; position: absolute; inset: 8% 6% 0; border-radius: 50%; z-index: 0;
  background: radial-gradient(closest-side, rgba(134, 240, 106, 0.32), rgba(41, 211, 168, 0.1) 60%, transparent 75%);
  filter: blur(18px);
}
.hero__stage::after {
  content: ""; position: absolute; inset-inline: -20px; bottom: -1px; height: 90px; z-index: 4; pointer-events: none;
  background: linear-gradient(180deg, transparent, var(--bg));
}
.float {
  position: absolute; z-index: 5; display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(10, 15, 23, 0.72); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  font-size: 0.76rem; font-weight: 700; white-space: nowrap;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  animation: bob 5.5s ease-in-out infinite;
}
.float b { font-family: var(--mono); color: var(--acc); }
.float--live { top: 10%; inset-inline-start: 0; color: #fff; }
.float--live i { width: 8px; height: 8px; border-radius: 50%; background: var(--live); animation: blink 1.8s infinite; }
.float--4k { top: 26%; inset-inline-end: 0; animation-delay: -1.8s; }
.float--geo { top: 52%; inset-inline-start: -4px; animation-delay: -3.4s; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

/* ------------------------------ Stats ------------------------------ */
.stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 8px;
  border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  background: var(--line);
}
.stat { padding: 20px 16px; background: linear-gradient(180deg, rgba(14, 20, 30, 0.96), rgba(8, 12, 19, 0.96)); text-align: center; }
.stat b { display: block; font-size: clamp(1.7rem, 6vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; background: var(--acc-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat span { display: block; margin-top: 2px; font-size: 0.78rem; color: var(--dim); font-weight: 600; }

/* ------------------------------ Marquee ------------------------------ */
.marquee { margin-top: 28px; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee__track { display: flex; gap: 10px; width: max-content; animation: marquee 34s linear infinite; }
.marquee-item {
  display: inline-flex; align-items: center; gap: 9px; padding: 9px 18px 9px 12px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--panel);
  font-size: 0.88rem; font-weight: 600; color: var(--dim); white-space: nowrap;
}
.genre-icon { width: 22px; height: 22px; object-fit: contain; }
@keyframes marquee { to { transform: translateX(calc(var(--mq-dir) * 50%)); } }

/* ------------------------------ Sections ------------------------------ */
.sec { padding: 64px 0 0; }
.sec__head { margin-bottom: 26px; max-width: 680px; }
.kicker { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 12px; font-family: var(--mono); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--acc); }
.kicker::before { content: ""; width: 22px; height: 2px; background: var(--acc-grad); border-radius: 2px; }
.sec h2 { font-size: clamp(1.6rem, 6vw, 2.5rem); }
.sec__sub { margin-top: 12px; color: var(--dim); }

.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal.visible { opacity: 1; transform: none; }

/* ------------------------------ Screenshots ------------------------------ */
.shots {
  display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  padding: 6px max(20px, calc((100vw - 1160px) / 2)) 10px; scroll-padding-inline: 20px;
  -webkit-overflow-scrolling: touch;
}
.shots::-webkit-scrollbar { display: none; }
.shot { flex: 0 0 min(62vw, 250px); scroll-snap-align: center; margin: 0; text-align: center; }
.shot img { width: 100%; height: auto; filter: drop-shadow(0 22px 30px rgba(0, 0, 0, 0.55)); transition: transform 0.4s var(--ease); }
.shot:hover img { transform: translateY(-6px); }
.shot figcaption { display: flex; flex-direction: column; align-items: center; gap: 4px; margin-top: 14px; font-size: 0.88rem; font-weight: 600; color: var(--text); }
.shot figcaption b { font-family: var(--mono); font-size: 0.7rem; color: var(--acc); letter-spacing: 0.12em; }
.shots__dots { display: flex; justify-content: center; gap: 7px; margin-top: 14px; }
.shots__dots i { width: 7px; height: 7px; border-radius: 99px; background: var(--line); transition: 0.3s var(--ease); }
.shots__dots i.on { width: 22px; background: var(--acc); }

/* ------------------------------ Features ------------------------------ */
.feature-grid { display: grid; gap: 12px; }
.feature {
  position: relative; display: grid; grid-template-columns: 68px 1fr; gap: 4px 16px; align-items: start;
  align-content: start;
  padding: 18px; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.018));
  transition: border-color 0.3s, transform 0.3s var(--ease);
  --mx: 50%; --my: 0%;
}
.feature::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.3s;
  background: radial-gradient(260px circle at var(--mx) var(--my), rgba(134, 240, 106, 0.14), transparent 70%);
}
.feature:hover { border-color: var(--line-acc); transform: translateY(-3px); }
.feature:hover::before { opacity: 1; }
.feature__icon {
  grid-row: span 2; width: 68px; height: 68px; display: grid; place-items: center;
  border: 1px solid var(--line-acc); border-radius: 20px;
  background: radial-gradient(circle at 30% 20%, rgba(134, 240, 106, 0.22), rgba(134, 240, 106, 0.04));
}
.feature__icon img { width: 46px; height: 46px; object-fit: contain; }
.feature__num { position: absolute; top: 14px; inset-inline-end: 16px; font-family: var(--mono); font-size: 0.68rem; color: var(--faint); letter-spacing: 0.1em; }
.feature h3 { font-size: 1.06rem; padding-inline-end: 28px; align-self: end; }
.feature p { font-size: 0.9rem; color: var(--dim); }

.extra { margin-top: 20px; padding: 22px 18px; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--panel); }
.extra h3 { font-size: 1.15rem; margin-bottom: 16px; }
.extra__list { display: grid; gap: 14px; }
.extra__list li { display: grid; grid-template-columns: 16px 1fr; gap: 2px 12px; align-items: start; }
.extra__list li::before { margin-top: 4px; }
.extra__list b { font-weight: 700; }
.extra__list span { grid-column: 2; font-size: 0.9rem; color: var(--dim); }

/* ------------------------------ How + Regions ------------------------------ */
.split { display: grid; gap: 44px; }
.split > * { min-width: 0; }
.how-steps { counter-reset: s; }
.how-steps li {
  position: relative; counter-increment: s; padding-block: 2px 22px; padding-inline-start: 54px; color: var(--text); font-weight: 500;
}
.how-steps li::before {
  content: counter(s); position: absolute; inset-inline-start: 0; top: 0; width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--line-acc); border-radius: 50%; background: rgba(134, 240, 106, 0.09); color: var(--acc); font-family: var(--mono); font-weight: 700;
}
.how-steps li:not(:last-child)::after {
  content: ""; position: absolute; inset-inline-start: 18px; top: 42px; bottom: 4px; width: 2px;
  background: linear-gradient(var(--line-acc), transparent);
}
.how-steps li:last-child { padding-bottom: 0; }

.region-list { display: grid; grid-auto-flow: column; grid-template-rows: repeat(3, auto); gap: 8px; overflow-x: auto; padding-bottom: 8px; scrollbar-width: none; }
.region-list::-webkit-scrollbar { display: none; }
.region-chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 15px; white-space: nowrap;
  border: 1px solid var(--line); border-radius: 999px; background: var(--panel); font-size: 0.86rem; font-weight: 600; color: var(--dim);
  transition: 0.2s;
}
.region-chip:hover { color: var(--text); border-color: var(--line-acc); }
.region-chip.active { color: var(--acc-ink); background: var(--acc-grad); border-color: transparent; }
.region-detail {
  margin-top: 14px; padding: 22px 20px; border: 1px solid var(--line); border-radius: var(--r-lg); min-height: 190px;
  background: radial-gradient(90% 120% at 100% 0%, rgba(134, 240, 106, 0.13), transparent 60%), var(--panel);
}
.rd-empty { display: flex; align-items: center; gap: 14px; color: var(--dim); min-height: 146px; }
.rd-empty-icon { font-size: 2.2rem; }
.rd-head { display: flex; align-items: center; gap: 14px; }
.rd-flag { font-size: 2.6rem; line-height: 1; }
.rd-head h3 { font-size: 1.3rem; }
.rd-live { display: inline-flex; align-items: center; gap: 7px; margin-top: 4px; font-size: 0.8rem; color: var(--dim); font-weight: 600; }
.rd-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--live); animation: blink 1.8s infinite; }
.rd-cats-title { margin-top: 18px; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.rd-cats { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 8px; }
.rd-cats span { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px 5px 8px; border: 1px solid var(--line); border-radius: 999px; font-size: 0.78rem; color: var(--dim); }
.rd-cats img { width: 16px; height: 16px; object-fit: contain; }
.rd-cta { margin-top: 20px; }

/* ------------------------------ Install ------------------------------ */
.seg { display: inline-flex; padding: 4px; gap: 2px; margin-bottom: 22px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.seg::-webkit-scrollbar { display: none; }
.device-tab { padding: 9px 18px; border-radius: 999px; font-size: 0.86rem; font-weight: 700; color: var(--dim); white-space: nowrap; transition: 0.2s; }
.device-tab.active { background: var(--acc-grad); color: var(--acc-ink); }

.install__nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
.install__tab {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 12px 12px 14px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--panel); text-align: start; transition: 0.25s var(--ease);
}
.install__tab b { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em; color: var(--faint); }
.install__tab span { font-size: 0.74rem; font-weight: 700; line-height: 1.25; color: var(--dim); display: none; }
.install__tab::after { content: ""; position: absolute; inset-inline: 12px; bottom: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--acc-grad); transform: scaleX(0); transition: transform 0.3s var(--ease); }
.install__tab.active { border-color: var(--line-acc); background: rgba(134, 240, 106, 0.08); }
.install__tab.active b { color: var(--acc); }
.install__tab.active span { color: var(--text); }
.install__tab.active::after { transform: scaleX(1); }

.install__panel {
  display: grid; gap: 22px; padding: 22px 18px 0; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  animation: rise 0.45s var(--ease);
}
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.install__no { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.14em; color: var(--acc); text-transform: uppercase; }
.install__text h3 { margin-top: 6px; font-size: 1.4rem; }
.install__points { display: grid; gap: 11px; margin-top: 16px; }
.install__points li { display: grid; grid-template-columns: 16px 1fr; gap: 12px; color: var(--dim); font-size: 0.94rem; }
.install__points li::before { margin-top: 4px; }
.install__points strong { color: var(--text); }
.install__next { margin-top: 20px; }
.install__shot { align-self: end; justify-self: center; width: min(58%, 230px); margin: 0; }
.install__shot img { width: 100%; height: auto; filter: drop-shadow(0 -6px 40px rgba(134, 240, 106, 0.18)); }

.device-steps { display: grid; gap: 10px; counter-reset: d; animation: rise 0.45s var(--ease); }
.device-steps li {
  counter-increment: d; display: grid; grid-template-columns: 36px 1fr; gap: 14px; align-items: center; padding: 14px 16px;
  border: 1px solid var(--line); border-radius: var(--r-md); background: var(--panel); color: var(--dim);
}
.device-steps li::before { content: counter(d); width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: rgba(134, 240, 106, 0.1); color: var(--acc); font-family: var(--mono); font-weight: 700; }
.device-steps strong { color: var(--text); }
[hidden] { display: none !important; }

/* ------------------------------ Download card ------------------------------ */
.dl-card {
  position: relative; overflow: hidden; padding: 26px 20px 22px; border-radius: 28px; isolation: isolate;
  border: 1px solid var(--line-acc);
  background: linear-gradient(160deg, rgba(20, 34, 26, 0.95), rgba(8, 13, 20, 0.98) 60%);
  box-shadow: 0 40px 80px -30px rgba(134, 240, 106, 0.25);
}
.dl-card::before {
  content: ""; position: absolute; z-index: -1; inset-inline-end: -30%; top: -40%; width: 90%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(134, 240, 106, 0.28), transparent);
}
.dl-card__head { display: flex; align-items: center; gap: 16px; }
.dl-card__head h2 { font-size: clamp(1.4rem, 5.4vw, 2.1rem); margin-top: 2px; }
.dl-card .kicker { margin-bottom: 4px; }
.dl-card .kicker::before { display: none; }
.dl-card__sub { margin-top: 16px; color: var(--dim); }
.dl-card__body { margin-top: 0; }
.spec { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 22px; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; background: var(--line); }
.spec div { padding: 12px 14px; background: rgba(6, 10, 16, 0.86); min-width: 0; }
.spec dt { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); }
.spec dd { margin-top: 2px; font-weight: 700; font-size: 0.95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dl-card .btn--xl { margin-top: 22px; }
.dl-card__note { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 14px; font-size: 0.82rem; color: var(--dim); text-align: center; }
.dl-card__note svg { width: 16px; height: 16px; color: var(--acc); flex: none; }

/* ------------------------------ FAQ ------------------------------ */
.wrap--narrow { width: min(820px, calc(100% - 40px)); }
.faq { display: grid; gap: 10px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--panel); overflow: hidden; transition: border-color 0.3s, background 0.3s; }
.faq-item.open { border-color: var(--line-acc); background: rgba(134, 240, 106, 0.05); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 17px 18px; text-align: start; font-weight: 700; font-size: 0.98rem; }
.faq-icon { flex: none; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--panel-2); color: var(--acc); font-size: 1.1rem; line-height: 1; transition: transform 0.3s var(--ease), background 0.3s; }
.faq-item.open .faq-icon { transform: rotate(135deg); background: rgba(134, 240, 106, 0.16); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq-a p { padding: 0 18px 18px; color: var(--dim); font-size: 0.94rem; }

/* ------------------------------ Footer + dock ------------------------------ */
.foot { margin-top: 72px; padding: 28px 0 calc(28px + 76px); border-top: 1px solid var(--line); }
.foot__in { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; color: var(--faint); font-size: 0.82rem; }
.foot .brand-mark { width: 30px; height: 30px; border-radius: 9px; font-size: 0.75rem; }
.foot .brand-name { font-size: 0.95rem; color: var(--text); }
.foot__age { display: inline-flex; padding: 2px 8px; margin-inline-end: 8px; border: 1px solid var(--line); border-radius: 6px; font-family: var(--mono); font-size: 0.7rem; }
.foot__legal { display: grid; gap: 7px; max-width: 760px; }
.foot__license { color: var(--muted); line-height: 1.55; }

.dock {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 90; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(7, 11, 17, 0.9); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-top: 1px solid var(--line-acc);
  transform: translateY(110%); transition: transform 0.4s var(--ease);
}
.dock.on { transform: none; }
.dock__text { min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.dock__text b { font-size: 0.92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dock__text small { font-size: 0.72rem; color: var(--dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dock .btn { flex: none; }

/* ------------------------------ Tablet ------------------------------ */
@media (min-width: 720px) {
  .hero__cta { display: flex; }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .extra__list { grid-template-columns: repeat(2, 1fr); gap: 16px 28px; }
  .install__tab span { display: block; }
  .install__panel { grid-template-columns: 1.1fr 0.9fr; padding: 34px 34px 0; gap: 30px; }
  .install__shot { width: min(100%, 250px); }
  .dl-card { padding: 34px 34px 28px; }
  .spec { grid-template-columns: repeat(4, 1fr); }
  .btn--xl { width: auto; min-width: 320px; }
  .dl-card__cta { display: flex; flex-direction: column; align-items: center; }
  .region-list { grid-template-rows: repeat(2, auto); }
}

/* ------------------------------ Desktop ------------------------------ */
@media (min-width: 1024px) {
  :root { --nav-h: 68px; }
  .nav__links { display: flex; }
  .hero { padding: 56px 0 0; }
  .hero__grid { grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: 40px; }
  .hero__stage { width: 100%; aspect-ratio: auto; height: 600px; margin-inline: 0; }
  .hero__stage::after { height: 120px; }
  .phone { width: 42%; }
  .phone--c { inset-inline-start: 29%; bottom: -30px; }
  .phone--l, .phone--r { width: 35%; }
  .phone--l { inset-inline-start: 3%; }
  .phone--r { inset-inline-end: 3%; }
  .float { font-size: 0.82rem; padding: 10px 16px; }
  .sec { padding-top: 96px; }
  .sec__head { margin-bottom: 36px; }
  .shots { justify-content: center; overflow: visible; padding-inline: 0; width: min(1160px, calc(100% - 40px)); margin-inline: auto; gap: 24px; }
  .shot { flex: 1 1 0; }
  .shots__dots { display: none; }
  .feature-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .feature { grid-template-columns: 1fr; padding: 24px; gap: 14px; }
  .feature__icon { grid-row: auto; width: 76px; height: 76px; }
  .feature__icon img { width: 52px; height: 52px; }
  .feature h3 { align-self: start; font-size: 1.15rem; }
  .extra { padding: 30px; }
  .extra__list { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 0.9fr 1.1fr; gap: 72px; align-items: start; }
  .region-list { grid-auto-flow: row; grid-template-rows: none; grid-template-columns: repeat(3, 1fr); overflow: visible; }
  .region-chip { justify-content: flex-start; }
  .install__panel { padding: 44px 48px 0; }
  .dl-card { padding: 48px; }
  .dl-card__body { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; margin-top: 32px; }
  .dl-card .spec { margin-top: 0; grid-template-columns: repeat(2, 1fr); }
  .dl-card .btn--xl { width: 100%; }
  .dock { display: none; }
  .foot { padding-bottom: 28px; }
  .foot__in { flex-direction: row; align-items: center; justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Full cinema campaigns: keep every headline and download button visible. */
.hero__stage--cinema {
  width: min(100%, 420px);
  aspect-ratio: auto;
  height: auto;
  padding: 8px 0 20px;
}
.hero__stage--cinema::before {
  inset: 10% -12%;
  background: radial-gradient(closest-side, rgba(41, 211, 168, .18), transparent);
}
.hero__stage--cinema::after { display: none; }
.cinema-ad {
  display: block;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 20px;
  background: #0a0f17;
  box-shadow: 0 28px 70px -24px #000;
}
.cinema-ad img { width: 100%; height: auto; aspect-ratio: 2 / 3; object-fit: contain; }
.cinema-controls {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 2px 0;
  color: var(--dim);
  font-size: .7rem;
}
.cinema-controls__label { text-transform: uppercase; letter-spacing: .09em; }
.cinema-controls__count { font-family: var(--mono); color: var(--faint); }
.cinema-controls button {
  margin-inline-start: auto;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--acc);
  background: var(--panel);
  font-size: .72rem;
}
.cinema-controls button:hover { border-color: var(--acc); background: var(--panel-2); }
@media (min-width: 1024px) {
  .hero__stage--cinema { width: min(100%, 390px); height: auto; margin-inline: auto; }
}
@media (max-width: 390px) {
  .cinema-controls { gap: 6px; font-size: .6rem; }
  .cinema-controls button { padding-inline: 9px; font-size: .65rem; }
}

/* Campaign gallery replaces the tall phone screenshots. */
.shot__download { display: block; border-radius: 16px; }
.shot__download img {
  aspect-ratio: 2 / 3;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-2);
}

/* LandingHub download status and user-supplied video artwork. */
#download-status:not(:empty) {
  position: fixed; inset-inline: 16px; bottom: 18px; z-index: 1000;
  width: fit-content; max-width: min(520px, calc(100vw - 32px)); margin-inline: auto;
  padding: 12px 16px; border: 1px solid rgba(116, 230, 191, .32); border-radius: 12px;
  color: #f4fff9; background: rgba(8, 20, 20, .94); box-shadow: 0 12px 40px #0008;
  font: 600 14px/1.5 "Sora", sans-serif;
}
#cinemaArtwork:is(video) { width: 100%; height: 100%; aspect-ratio: 2 / 3; object-fit: cover; border-radius: inherit; }
.cinema-ad video { width: 100%; height: auto; aspect-ratio: 2 / 3; object-fit: cover; }