/* =========================================================================
   TV Remote: Universal Control — remotetvuniversal.com
   Dark, neon-cyan design system derived from the app icon.
   ========================================================================= */

:root {
  /* surfaces */
  --bg: #06080f;
  --bg-2: #080b15;
  --panel: #0d1320;
  --panel-hi: #121a2b;
  --panel-soft: rgba(255, 255, 255, 0.022);
  --line: rgba(130, 170, 210, 0.12);
  --line-strong: rgba(130, 175, 215, 0.22);

  /* brand */
  --cyan: #2ee9f2;
  --cyan-bright: #74f6fc;
  --cyan-deep: #0ea7b6;
  --pink: #ff4d97;
  --pink-soft: rgba(255, 77, 151, 0.5);

  /* text */
  --text: #e9f4f6;
  --muted: #98abbd;
  --muted-2: #6b7d8f;

  /* glow */
  --glow-cyan: 0 0 0 1px rgba(46, 233, 242, 0.35), 0 14px 40px -12px rgba(46, 233, 242, 0.55);
  --glow-cyan-soft: 0 10px 50px -18px rgba(46, 233, 242, 0.45);

  --radius: 16px;
  --radius-sm: 11px;
  --radius-lg: 24px;
  --container: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-display: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', 'Noto Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', 'Noto Sans', 'Helvetica Neue', Arial, sans-serif;
}

/* ------------------------------- reset --------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  letter-spacing: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ambient page background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(46, 233, 242, 0.16), transparent 60%),
    radial-gradient(800px 620px at 100% 4%, rgba(255, 77, 151, 0.1), transparent 55%),
    radial-gradient(700px 700px at 85% 100%, rgba(46, 233, 242, 0.07), transparent 60%);
  pointer-events: none;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(130, 175, 215, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 175, 215, 0.045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 72%);
  pointer-events: none;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

/* ------------------------------ layout --------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding: clamp(64px, 9vw, 130px) 0; position: relative; }
.section-sm { padding: clamp(40px, 6vw, 80px) 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.section-head { max-width: 660px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.05; letter-spacing: 0; }

.h2 { font-size: clamp(1.85rem, 4vw, 3rem); margin: 18px 0 16px; }
.lead { color: var(--muted); font-size: clamp(1.02rem, 1.4vw, 1.18rem); line-height: 1.65; }

.text-cyan { color: var(--cyan); }

/* ------------------------------ buttons -------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.3s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(180deg, var(--cyan-bright), var(--cyan));
  color: #032027;
  box-shadow: 0 12px 34px -12px rgba(46, 233, 242, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}
.btn-primary:hover { box-shadow: 0 18px 44px -12px rgba(46, 233, 242, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.45); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line-strong);
  color: var(--text);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(46, 233, 242, 0.06); }

/* App Store badge button */
.store-badge { display: inline-flex; transition: transform 0.25s var(--ease), filter 0.25s; }
.store-badge img { height: 52px; width: auto; }
.store-badge:hover { transform: translateY(-2px); filter: drop-shadow(0 10px 22px rgba(46, 233, 242, 0.4)); }
.store-badge.sm img { height: 44px; }

/* ------------------------------ navbar --------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(6, 8, 15, 0.78);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0;
}
.brand img { width: 34px; height: 34px; border-radius: 9px; box-shadow: 0 0 0 1px var(--line-strong), 0 6px 18px -6px rgba(46, 233, 242, 0.5); }
.brand b { color: var(--cyan); font-weight: 700; }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  font-size: 0.93rem;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  transition: width 0.25s var(--ease);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 14px; }

/* language switcher */
.lang { position: relative; }
.lang > summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.lang > summary::-webkit-details-marker { display: none; }
.lang > summary:hover { color: var(--text); border-color: var(--line-strong); }
.lang > summary svg { width: 15px; height: 15px; }
.lang[open] > summary { color: var(--text); border-color: var(--cyan); }
.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(460px, calc(100vw - 32px));
  max-height: min(520px, calc(100vh - 104px));
  overflow-y: auto;
  background: var(--panel-hi);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  padding: 8px;
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.8);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  z-index: 30;
}
.lang-menu a {
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 0.9rem;
  color: var(--muted);
  transition: background 0.18s, color 0.18s;
}
.lang-menu a:hover { background: rgba(46, 233, 242, 0.08); color: var(--text); }
.lang-menu a.active { color: var(--cyan); background: rgba(46, 233, 242, 0.06); }

.nav-toggle { display: none; background: none; border: 0; color: var(--text); padding: 6px; }
.nav-toggle svg { width: 26px; height: 26px; }

/* ------------------------------- hero ---------------------------------- */
.hero { position: relative; padding: clamp(48px, 7vw, 96px) 0 clamp(64px, 8vw, 120px); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px 7px 11px;
  border-radius: 100px;
  border: 1px solid var(--line-strong);
  background: rgba(46, 233, 242, 0.05);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 26px;
}
.badge-pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(46, 233, 242, 0.18);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(46, 233, 242, 0.22); }
  50% { box-shadow: 0 0 0 7px rgba(46, 233, 242, 0); }
}

.hero h1 {
  font-size: clamp(2.4rem, 5.4vw, 4.1rem);
  line-height: 1.02;
  margin-bottom: 22px;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--cyan-bright), var(--cyan) 45%, var(--pink) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead { max-width: 540px; }

.hero-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin: 32px 0 18px; }
.hero-note { font-size: 0.86rem; color: var(--muted-2); display: flex; align-items: center; gap: 8px; }
.hero-note svg { width: 15px; height: 15px; color: var(--cyan); }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
}
.chip svg { width: 15px; height: 15px; color: var(--cyan); flex-shrink: 0; }

/* ------------------------------ brands --------------------------------- */
.brands { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.012); }
.brands-head { text-align: center; margin-bottom: 30px; }
.brands-head p { color: var(--muted-2); font-size: 0.82rem; font-weight: 600; letter-spacing: 0; text-transform: uppercase; }
.brand-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.brand-tag {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0;
  color: var(--muted);
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-soft);
  transition: color 0.25s, border-color 0.25s, transform 0.25s var(--ease);
}
.brand-tag:hover { color: var(--text); border-color: var(--cyan); transform: translateY(-3px); }

/* ----------------------------- features -------------------------------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.f-card {
  position: relative;
  padding: 28px 26px 30px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0.006));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s var(--ease), background 0.3s;
}
.f-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(360px 160px at var(--mx, 50%) 0%, rgba(46, 233, 242, 0.1), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.f-card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.f-card:hover::after { opacity: 1; }
.f-ic {
  width: 50px; height: 50px;
  border-radius: 13px;
  display: grid; place-items: center;
  background: linear-gradient(180deg, rgba(46, 233, 242, 0.16), rgba(46, 233, 242, 0.04));
  border: 1px solid rgba(46, 233, 242, 0.25);
  color: var(--cyan);
  margin-bottom: 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.f-ic svg { width: 24px; height: 24px; }
.f-card h2, .f-card h3 { font-size: 1.18rem; margin-bottom: 10px; letter-spacing: 0; }
.f-card p { color: var(--muted); font-size: 0.93rem; line-height: 1.62; }

/* --------------------------- how it works ------------------------------ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.step { position: relative; padding-top: 8px; }
.step-n {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  color: var(--cyan);
  background: rgba(46, 233, 242, 0.06);
  border: 1px solid rgba(46, 233, 242, 0.28);
  margin-bottom: 20px;
  box-shadow: 0 0 22px -8px rgba(46, 233, 242, 0.6);
}
.step h2, .step h3 { font-size: 1.08rem; margin-bottom: 9px; }
.step p { color: var(--muted); font-size: 0.9rem; line-height: 1.6; }
.step:not(:last-child)::before {
  content: '';
  position: absolute;
  top: 22px; left: 56px; right: -9px;
  height: 1px;
  background: linear-gradient(90deg, rgba(46, 233, 242, 0.4), transparent);
}

/* --------------------------- split showcase ---------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 72px); align-items: center; }
.split.reverse .split-visual { order: -1; }
.split h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin: 16px 0 18px; }
.check-list { display: grid; gap: 14px; margin-top: 26px; }
.check-list li { display: flex; gap: 13px; align-items: flex-start; color: var(--muted); font-size: 0.98rem; }
.check-list .ic {
  flex-shrink: 0;
  width: 24px; height: 24px; border-radius: 7px;
  display: grid; place-items: center;
  background: rgba(46, 233, 242, 0.12);
  color: var(--cyan);
  margin-top: 1px;
}
.check-list .ic svg { width: 14px; height: 14px; }

/* ------------------------------- FAQ ----------------------------------- */
.faq-wrap { max-width: 820px; margin-inline: auto; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; background: var(--panel-soft); overflow: hidden; transition: border-color 0.25s, background 0.25s; }
.faq-item[open] { border-color: var(--line-strong); background: rgba(46, 233, 242, 0.025); }
.faq-q {
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.04rem;
  color: var(--text);
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q .pm {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  color: var(--cyan);
  transition: transform 0.3s var(--ease), background 0.25s;
  position: relative;
}
.faq-q .pm::before, .faq-q .pm::after { content: ''; position: absolute; background: var(--cyan); border-radius: 2px; }
.faq-q .pm::before { width: 12px; height: 2px; }
.faq-q .pm::after { width: 2px; height: 12px; transition: transform 0.3s var(--ease); }
.faq-item[open] .faq-q .pm { background: rgba(46, 233, 242, 0.1); }
.faq-item[open] .faq-q .pm::after { transform: rotate(90deg); opacity: 0; }
.faq-a { padding: 0 24px 22px; color: var(--muted); font-size: 0.96rem; line-height: 1.68; max-width: 92%; }

/* ------------------------------- CTA ----------------------------------- */
.cta-band { position: relative; }
.cta-card {
  position: relative;
  text-align: center;
  padding: clamp(48px, 7vw, 84px) 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(165deg, rgba(46, 233, 242, 0.1), rgba(255, 77, 151, 0.06) 60%, transparent), var(--panel);
  border: 1px solid var(--line-strong);
  box-shadow: var(--glow-cyan-soft);
}
.cta-card::before {
  content: '';
  position: absolute;
  top: -50%; left: 50%; transform: translateX(-50%);
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(46, 233, 242, 0.18), transparent 60%);
  pointer-events: none;
}
.cta-card h2 { position: relative; font-size: clamp(2rem, 4.4vw, 3.1rem); margin-bottom: 18px; }
.cta-card p { position: relative; color: var(--muted); max-width: 520px; margin: 0 auto 32px; font-size: 1.06rem; }
.cta-card .store-badge { position: relative; }
.cta-card .cta-note { position: relative; margin-top: 18px; font-size: 0.83rem; color: var(--muted-2); }

/* ------------------------------ footer --------------------------------- */
.footer { border-top: 1px solid var(--line); padding: 64px 0 36px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; margin-bottom: 48px; }
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand p { color: var(--muted); font-size: 0.92rem; max-width: 320px; line-height: 1.65; }
.footer-col h4 { font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0; text-transform: uppercase; color: var(--muted-2); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--muted); font-size: 0.92rem; padding: 6px 0; transition: color 0.2s; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 26px; display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.footer-bottom .legal { font-size: 0.82rem; color: var(--muted-2); }
.footer-bottom .legal a { color: var(--muted); }
.footer-bottom .legal a:hover { color: var(--cyan); }
.footer-disclaimer { font-size: 0.76rem; color: var(--muted-2); max-width: 520px; line-height: 1.6; text-align: right; }

/* --------------------------- legal / prose ----------------------------- */
.page-hero { padding: clamp(56px, 8vw, 96px) 0 clamp(28px, 4vw, 44px); }
.page-hero h1 { font-size: clamp(2rem, 4.6vw, 3.2rem); margin-bottom: 14px; }
.page-hero .updated { color: var(--muted-2); font-size: 0.88rem; }
.topic-hero { padding-bottom: clamp(36px, 5vw, 70px); }
.topic-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  align-items: center;
  gap: clamp(32px, 6vw, 78px);
}
.topic-copy { max-width: 720px; }
.crumb {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--muted-2);
  font-size: 0.86rem;
  font-weight: 600;
}
.crumb:hover { color: var(--cyan); }
.topic-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.topic-visual {
  display: flex;
  justify-content: center;
}
.topic-visual .shot.framed {
  width: 268px;
  border-radius: 32px;
  box-shadow:
    0 0 0 1.5px rgba(46, 233, 242, 0.25),
    0 38px 78px -30px rgba(0, 0, 0, 0.95),
    0 0 70px -18px rgba(46, 233, 242, 0.45);
}
.section-link {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}
.section-link a,
.inline-link {
  display: inline-flex;
  align-items: center;
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.94rem;
  border-bottom: 1px solid rgba(46, 233, 242, 0.36);
}
.inline-link { margin-top: 24px; }
.section-link a:hover,
.inline-link:hover { color: var(--cyan-bright); border-bottom-color: var(--cyan-bright); }
.brand-row.compact { justify-content: flex-start; margin-top: 24px; }
.faq-wrap.compact { max-width: none; }
.topic-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}
.topic-links a {
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 0.9rem;
  background: var(--panel-soft);
}
.topic-links a:hover { color: var(--cyan); border-color: var(--line-strong); }
.prose { max-width: 760px; padding-bottom: clamp(60px, 9vw, 110px); }
.prose > p { color: var(--muted); margin-bottom: 16px; line-height: 1.74; }
.prose section { margin-top: 38px; }
.prose h2 { font-size: 1.4rem; margin-bottom: 14px; padding-left: 16px; border-left: 3px solid var(--cyan); }
.prose section p { color: var(--muted); margin-bottom: 12px; line-height: 1.74; }
.prose ul { display: grid; gap: 10px; margin: 6px 0 8px; }
.prose ul li { position: relative; padding-left: 26px; color: var(--muted); line-height: 1.65; }
.prose ul li::before {
  content: '';
  position: absolute; left: 4px; top: 9px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 8px var(--cyan);
}
.prose a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }

/* support */
.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 8px 0 48px; }
.support-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel-soft); }
.support-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.support-card p { color: var(--muted); font-size: 0.94rem; line-height: 1.65; }
.contact-card {
  text-align: center;
  padding: clamp(40px, 6vw, 60px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, rgba(46, 233, 242, 0.08), transparent), var(--panel);
}
.contact-card h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 12px; }
.contact-card p { color: var(--muted); max-width: 460px; margin: 0 auto 26px; }
.contact-card .resp { margin-top: 16px; font-size: 0.84rem; color: var(--muted-2); }

/* --------------------------- app screenshots --------------------------- */
.shot {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  background: #0a0e18;
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9);
}
.shot img { display: block; width: 100%; height: auto; }

/* hero brand mark */
.brand-hero {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 540px;
}
.brand-glow {
  position: absolute;
  width: 440px; height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 233, 242, 0.3), transparent 60%);
  filter: blur(16px);
  z-index: 0;
}
/* radar-style signal rings echoing the icon's Wi‑Fi waves */
.signal-rings { position: absolute; inset: 0; display: grid; place-items: center; z-index: 1; }
.signal-rings span {
  position: absolute;
  width: 232px; height: 232px;
  border: 1.5px solid rgba(46, 233, 242, 0.45);
  border-radius: 50%;
  opacity: 0;
  animation: ring 4.5s ease-out infinite;
}
.signal-rings span:nth-child(2) { animation-delay: 1.5s; }
.signal-rings span:nth-child(3) { animation-delay: 3s; }
@keyframes ring {
  0% { transform: scale(0.6); opacity: 0; }
  16% { opacity: 0.7; }
  100% { transform: scale(2.5); opacity: 0; }
}
.brand-icon { position: relative; z-index: 2; width: 232px; animation: float 6s ease-in-out infinite; }
.brand-icon img {
  width: 100%;
  height: auto;
  border-radius: 24%;
  box-shadow:
    0 0 0 1px rgba(46, 233, 242, 0.28),
    0 30px 80px -18px rgba(0, 0, 0, 0.92),
    0 0 100px -8px rgba(46, 233, 242, 0.55);
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* split-section screenshots */
.split-visual { position: relative; display: flex; justify-content: center; }
.split-visual::before {
  content: '';
  position: absolute;
  width: 360px; height: 360px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 233, 242, 0.16), transparent 60%);
  filter: blur(12px);
  z-index: 0;
}
.split-visual .shot.framed {
  position: relative;
  z-index: 1;
  width: 296px;
  border-radius: 34px;
  box-shadow:
    0 0 0 1.5px rgba(46, 233, 242, 0.25),
    0 40px 80px -30px rgba(0, 0, 0, 0.95),
    0 0 60px -18px rgba(46, 233, 242, 0.4);
}

/* horizontal screenshot gallery */
.gallery-rail {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.gallery-rail::-webkit-scrollbar { height: 8px; }
.gallery-rail::-webkit-scrollbar-track { background: transparent; }
.gallery-rail::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 8px; }
.gallery-track {
  display: flex;
  gap: 22px;
  width: max-content;
  padding-inline: max(24px, calc((100vw - var(--container)) / 2 + 24px));
}
.gallery-item { flex: 0 0 auto; width: 232px; scroll-snap-align: center; }
.gallery-item .shot {
  border-radius: 28px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.gallery-item:hover .shot {
  transform: translateY(-6px);
  box-shadow: 0 36px 70px -30px rgba(0, 0, 0, 0.95), 0 0 50px -16px rgba(46, 233, 242, 0.45);
}
.gallery-item figcaption {
  margin-top: 16px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.4;
}

/* ------------------------------ reveal --------------------------------- */
/* Hidden state only applies when JS is active, so no-JS users see everything. */
html.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
html.js .reveal.in { opacity: 1; transform: none; }

/* ----------------------------- responsive ------------------------------ */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .topic-hero-grid { grid-template-columns: 1fr; text-align: center; }
  .topic-copy { margin-inline: auto; }
  .topic-actions { justify-content: center; }
  .topic-visual .shot.framed { width: 236px; }
  .hero p.lead { margin-inline: auto; }
  .hero-cta { justify-content: center; }
  .chips { justify-content: center; }
  .brand-hero { min-height: 400px; margin-top: 6px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 28px 18px; }
  .step:not(:last-child)::before { display: none; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-visual { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-disclaimer { text-align: left; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-cta-text { display: none; }
  .nav-store { display: none; }
  .navbar { background: rgba(6, 8, 15, 0.82); backdrop-filter: blur(14px); border-bottom-color: var(--line); }

  /* mobile menu */
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--panel-hi);
    border-bottom: 1px solid var(--line-strong);
    padding: 18px 24px 24px;
    gap: 4px;
    align-items: stretch;
  }
  .nav-links.open a { padding: 13px 4px; font-size: 1rem; border-bottom: 1px solid var(--line); color: var(--text); }
  .nav-links.open a::after { display: none; }
  .lang-menu {
    right: -8px;
    grid-template-columns: 1fr;
    width: min(280px, calc(100vw - 32px));
  }

  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn, .hero-cta .store-badge { width: 100%; }
  .hero-cta .store-badge img { width: 100%; height: auto; }
  .brand-row { gap: 8px; }
  .brand-row.compact { justify-content: center; }
  .brand-tag { font-size: 0.9rem; padding: 9px 15px; }
  .brand-hero { min-height: 300px; }
  .brand-icon { width: 184px; }
  .signal-rings span { width: 184px; height: 184px; }
  .split-visual .shot.framed { width: 252px; }
  .topic-actions { flex-direction: column; align-items: stretch; }
  .topic-actions .btn, .topic-actions .store-badge { width: 100%; }
  .topic-actions .store-badge img { width: 100%; height: auto; }
  .topic-visual .shot.framed { width: 216px; }
  .gallery-item { width: 200px; }
}

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