/* ---------- Tokens ---------- */
:root {
  --ink: #0b1220;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e6e9f0;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --accent: #2563eb;
  --accent-2: #0ea5e9;
  --accent-soft: #eaf1ff;
  --ok: #15803d;
  --ok-soft: #e8f6ee;
  --warn: #b45309;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 10px 30px rgba(15, 23, 42, .06);
  --shadow-lg: 0 2px 6px rgba(15, 23, 42, .05), 0 30px 60px rgba(15, 23, 42, .12);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
:lang(ko) body, body:lang(ko) { word-break: keep-all; overflow-wrap: anywhere; }
img, svg { display: block; max-width: 100%; }
img { height: auto; } /* width/height attributes reserve space; never stretch */
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -0.025em; }
p { margin: 0; }
.i { width: 1.25em; height: 1.25em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 100; background: #fff; padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 2px; border-radius: 6px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); font-size: 18px; letter-spacing: -0.02em; }
.logo:hover { text-decoration: none; }
.logo img { width: 30px; height: 30px; }
.nav-links { display: flex; gap: 22px; margin-left: 12px; }
.nav-links a { color: var(--ink-2); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.lang { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); font-size: 14px; font-weight: 500; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line); }
.lang:hover { text-decoration: none; border-color: #cfd6e3; }
.menu-btn { display: none; background: none; border: 0; padding: 8px; color: var(--ink); cursor: pointer; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; font-size: 16px;
  padding: 12px 20px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: #fff; box-shadow: 0 6px 18px rgba(11, 18, 32, .18); }
.btn-primary:hover { box-shadow: 0 10px 24px rgba(11, 18, 32, .24); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: #cfd6e3; }
.btn-sm { padding: 8px 14px; font-size: 14px; }
.store {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 10px 18px 10px 14px; border-radius: 14px;
  background: var(--ink); color: #fff; min-width: 190px;
  transition: transform .15s, box-shadow .15s;
}
.store:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(11, 18, 32, .22); }
.store .i { width: 26px; height: 26px; }
.store small { display: block; font-size: 11px; opacity: .75; line-height: 1.2; letter-spacing: .02em; }
.store strong { display: block; font-size: 17px; line-height: 1.25; }
.store.light { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.store.light:hover { box-shadow: var(--shadow); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 88px; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 760px; z-index: -1;
  background:
    radial-gradient(600px 340px at 18% 30%, rgba(37, 99, 235, .13), transparent 70%),
    radial-gradient(520px 320px at 82% 20%, rgba(14, 165, 233, .14), transparent 70%),
    radial-gradient(500px 300px at 60% 90%, rgba(21, 128, 61, .07), transparent 70%);
  -webkit-mask-image: linear-gradient(#000 55%, transparent);
  mask-image: linear-gradient(#000 55%, transparent);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--ink-2);
  background: rgba(255, 255, 255, .8); border: 1px solid var(--line);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 22px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px var(--ok-soft); }
.hero h1 { font-size: clamp(2.3rem, 4.6vw, 3.7rem); font-weight: 750; letter-spacing: -0.035em; }
.grad { background: linear-gradient(92deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin-top: 22px; font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ink-2); max-width: 36em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.cta-note { margin-top: 14px; font-size: 14px; color: var(--muted); }
.cta-note a { font-weight: 600; }
.trust { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; padding: 0; list-style: none; color: var(--ink-2); font-size: 14.5px; font-weight: 500; }
.trust li { display: flex; align-items: center; gap: 7px; }
.trust .i { color: var(--ok); width: 18px; height: 18px; stroke-width: 2.6; }

/* Hero visual: receiver chips */
.receivers { position: relative; display: grid; gap: 14px; width: 216px; }
.receivers::before { content: ""; position: absolute; left: -26px; top: 46px; bottom: 30px; width: 2px; background: repeating-linear-gradient(180deg, #c7d2e5 0 6px, transparent 6px 12px); }
.rx-label { display: flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); margin-bottom: 2px; }
.rx-label .i { width: 16px; height: 16px; color: var(--accent); }
.rx {
  position: relative; display: flex; align-items: center; gap: 10px;
  background: rgba(255, 255, 255, .92); border: 1px solid var(--line); border-radius: 16px;
  padding: 10px 14px 10px 10px; box-shadow: var(--shadow); font-size: 13px; line-height: 1.3;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  animation: float 7s ease-in-out infinite;
}
.rx b { display: block; font-size: 13.5px; }
.rx small { color: var(--muted); font-size: 11.5px; }
.rx .ico { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.rx .tick { color: var(--ok); width: 16px; height: 16px; stroke-width: 3; margin-left: 4px; }
.rx::before { content: ""; position: absolute; left: -27px; top: 50%; width: 22px; border-top: 2px dashed #c7d2e5; }
.rx .tick { margin-left: auto; }
.rx:nth-child(3) { animation-delay: -2.4s; }
.rx:nth-child(4) { animation-delay: -4.6s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* Real app screens: device frames */
.device { position: relative; flex: none; border-radius: 44px; padding: 10px; background: linear-gradient(160deg, #1f2937, #0b1220); box-shadow: var(--shadow-lg), inset 0 0 0 1.5px rgba(255, 255, 255, .08); }
.device img { width: 100%; height: auto; border-radius: 35px; background: #eef4ff; }
.device.android { border-radius: 30px; padding: 8px; background: linear-gradient(160deg, #334155, #0f172a); }
.device.android img { border-radius: 23px; }
.device.laptop { border-radius: 14px; padding: 8px 8px 12px; }
.device.laptop img { border-radius: 8px; }
.hero .stage { position: relative; min-height: 560px; }
.hero .stage .device.iphone { width: 292px; z-index: 2; }
.hero .stage .device.android { width: 214px; position: absolute; right: 2%; bottom: 0; z-index: 3; }
.hero .stage .rx-float { position: absolute; left: 0; bottom: 36px; z-index: 3; display: grid; gap: 10px; }
.hero .stage .rx-float .rx { animation: none; width: 212px; }
.hero .stage .rx-float .rx::before { display: none; }
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px 22px; align-items: start; }
.shot { margin: 0; display: grid; gap: 14px; }
.shot .device { width: 100%; max-width: 300px; margin: 0 auto; }
.shot figcaption { text-align: center; font-size: 14.5px; color: var(--ink-2); padding: 0 8px; }
.shot figcaption b { display: block; color: var(--ink); font-size: 15.5px; margin-bottom: 2px; }
.shot .pf { display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 2px 8px; border-radius: 6px; margin-bottom: 8px; }
.shot .pf.andr { color: var(--ok); background: var(--ok-soft); }

/* ---------- Sections ---------- */
section { scroll-margin-top: 72px; }
.section { padding: 96px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.section h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); font-weight: 720; }
.section-head p { margin-top: 16px; color: var(--ink-2); font-size: 1.1rem; }

.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card h3 { font-size: 1.18rem; font-weight: 680; }
.card p { margin-top: 10px; color: var(--ink-2); font-size: 15.5px; }
.ico-box { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); margin-bottom: 18px; }
.ico-box .i { width: 22px; height: 22px; }

/* Pain → fix */
.pain h3 { font-size: 1.12rem; }
.fix { display: flex; gap: 8px; align-items: flex-start; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); font-size: 15px; font-weight: 600; color: var(--ink); }
.fix .i { color: var(--ok); width: 18px; height: 18px; margin-top: 3px; stroke-width: 2.6; }
.pain .ico-box { background: #fff4ec; color: #c2410c; }
.src { display: inline-block; margin-top: 8px; font-size: 12.5px; color: var(--muted); }
.src a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }

/* Outcomes */
.outcomes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.outcome { padding: 30px 26px; border-right: 1px solid var(--line); }
.outcome:last-child { border-right: 0; }
.outcome .big { font-size: clamp(2rem, 3.4vw, 2.7rem); font-weight: 760; letter-spacing: -0.04em; line-height: 1; }
.outcome h3 { margin-top: 14px; font-size: 1.05rem; }
.outcome p { margin-top: 8px; color: var(--ink-2); font-size: 15px; }

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding: 72px 26px 26px; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: 22px; left: 26px; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; font-size: 15px;
  background: var(--ink); color: #fff;
}

/* Bento features */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.bento .card { grid-column: span 2; }
.bento .wide { grid-column: span 3; }
.bento .hl { background: linear-gradient(150deg, #0b1220, #172554); color: #fff; border-color: transparent; }
.bento .hl p { color: #cbd5e1; }
.bento .hl .ico-box { background: rgba(255, 255, 255, .1); color: #7dd3fc; }
.tag { display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .03em; padding: 3px 8px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); margin-left: 8px; vertical-align: 2px; }
.hl .tag { background: rgba(125, 211, 252, .15); color: #7dd3fc; }
.timeline { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.timeline span { font-size: 12.5px; font-weight: 600; padding: 5px 10px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .18); color: #e2e8f0; }
.timeline span.on { background: #fff; color: var(--ink); border-color: #fff; }

.hashes { margin-top: 18px; border-radius: 14px; background: var(--bg-soft); border: 1px solid var(--line); padding: 14px 16px; display: grid; gap: 8px; font-size: 13.5px; }
.hashes div { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); }
.hashes code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--ink); }
.hashes .match { justify-content: flex-start; align-items: center; gap: 6px; color: var(--ok); font-weight: 700; padding-top: 8px; border-top: 1px dashed var(--line); }
.hashes .match .i { width: 16px; height: 16px; stroke-width: 3; }

/* Lineup */
.lineup .card { display: flex; flex-direction: column; }
.device-ico { width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; background: var(--bg-soft); color: var(--ink); margin-bottom: 18px; border: 1px solid var(--line); }
.device-ico .i { width: 26px; height: 26px; }
.roles { display: flex; gap: 6px; margin-top: 10px; }
.role { font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.role.rx-role { background: var(--ok-soft); color: var(--ok); }
.req { margin-top: 14px; font-size: 13.5px; color: var(--muted); }
.price-line { margin-top: auto; padding-top: 20px; font-weight: 700; }
.price-line small { font-weight: 500; color: var(--muted); }
.lineup .btn { margin-top: 14px; width: 100%; }
.soon { display: block; margin-top: 8px; text-align: center; font-size: 12.5px; color: var(--muted); }
.soon:empty { display: none; }

/* Use cases */
.feature-case {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 36px; align-items: center;
  background: linear-gradient(135deg, #f0f6ff, #f4fbff 50%, #f3fbf6);
  border: 1px solid #dbe6f7; border-radius: 28px; padding: 40px; margin-bottom: 18px;
}
.feature-case h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.feature-case p { margin-top: 14px; color: var(--ink-2); }
.feature-case .btn { margin-top: 22px; }
.disclaimer { margin-top: 16px; font-size: 13px; color: var(--muted); }
.flow { display: grid; gap: 10px; }
.flow-node { display: flex; align-items: center; gap: 12px; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; font-weight: 600; font-size: 15px; }
.flow-node small { display: block; font-weight: 500; color: var(--muted); font-size: 12.5px; }
.flow-node .ico-box { margin: 0; width: 38px; height: 38px; }
.flow-arrow { text-align: center; color: var(--muted); font-size: 12.5px; display: flex; align-items: center; justify-content: center; gap: 6px; }
.flow-arrow .i { transform: rotate(90deg); width: 16px; height: 16px; }
.quote { margin-top: 18px; border-left: 3px solid var(--accent); padding: 4px 0 4px 14px; color: var(--ink-2); font-size: 15px; }

/* Compare */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 15px; }
table.compact { min-width: 0; }
table.compact th, table.compact td { padding: 12px 8px; white-space: nowrap; }
table.compact.wrap th, table.compact.wrap td { white-space: normal; text-align: left; vertical-align: top; }
th, td { padding: 16px 18px; text-align: center; border-bottom: 1px solid var(--line); }
th:first-child, td:first-child { text-align: left; color: var(--ink); font-weight: 600; }
thead th { font-size: 14px; color: var(--ink-2); font-weight: 600; background: var(--bg-soft); }
thead th.us { color: var(--accent); }
td.us { background: #f5f9ff; }
tr:last-child td { border-bottom: 0; }
@media (max-width: 720px) {
  th:first-child, td:first-child { position: sticky; left: 0; z-index: 1; background: #fff; box-shadow: 1px 0 0 var(--line); min-width: 150px; }
  thead th:first-child { background: var(--bg-soft); }
}
td .i { margin: 0 auto; width: 20px; height: 20px; stroke-width: 2.6; }
td .yes { color: var(--ok); }
td .no { color: #cbd5e1; }
td.partial { color: var(--muted); font-size: 13.5px; }

/* Pricing */
.plans { align-items: stretch; }
.plan { display: flex; flex-direction: column; }
.plan .amount { font-size: 2.6rem; font-weight: 760; letter-spacing: -0.04em; margin-top: 14px; }
.plan .amount small { font-size: 1rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; font-size: 15.5px; color: var(--ink-2); }
.plan li { display: flex; gap: 10px; align-items: flex-start; }
.plan li .i { color: var(--ok); width: 18px; height: 18px; margin-top: 4px; stroke-width: 2.6; }
.plan.pro { border: 2px solid var(--ink); box-shadow: var(--shadow-lg); position: relative; }
.plan.pro .ribbon { position: absolute; top: -13px; left: 26px; background: var(--ink); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.plan ul { margin-bottom: 26px; }
.plan .btn { margin-top: auto; }
.fine { margin-top: 18px; font-size: 13.5px; color: var(--muted); text-align: center; }

/* Privacy */
.privacy { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checklist li { display: flex; gap: 14px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; }
.checklist .ico-box { margin: 0; width: 38px; height: 38px; }
.checklist b { display: block; }
.checklist span { color: var(--ink-2); font-size: 15px; }
.checklist li.note .ico-box { background: #fff7ed; color: var(--warn); }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; }
details { border-bottom: 1px solid var(--line); }
details:first-of-type { border-top: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative; font-weight: 640; font-size: 1.08rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font-size: 26px; font-weight: 300; color: var(--muted); transition: transform .2s; }
details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
details .answer { padding: 0 0 22px; color: var(--ink-2); }
details .answer p + p { margin-top: 10px; }

/* Final CTA */
.final { padding: 0 0 96px; }
.final-box {
  border-radius: 32px; padding: 64px 40px; text-align: center; color: #fff;
  background: radial-gradient(600px 300px at 20% 0%, rgba(14, 165, 233, .35), transparent 70%), radial-gradient(500px 300px at 90% 100%, rgba(37, 99, 235, .45), transparent 70%), #0b1220;
}
.final-box h2 { font-size: clamp(1.9rem, 3.8vw, 2.9rem); }
.final-box p { margin-top: 14px; color: #cbd5e1; font-size: 1.1rem; }
.final-box .cta-row { justify-content: center; }
.final-box .store { background: #fff; color: var(--ink); }
.final-box .cta-note, .final-box .cta-note a { color: #94a3b8; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 40px; font-size: 14px; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.foot-h { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink); margin-bottom: 12px; }
.foot-tag { margin-top: 12px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-grid a { color: var(--ink-2); }
.legal { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 12.5px; line-height: 1.7; }

/* Article (guides) */
.article { max-width: 760px; margin: 0 auto; padding: 56px 20px 40px; }
.crumbs { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.article h1 { font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 740; letter-spacing: -0.03em; }
.meta { margin-top: 14px; color: var(--muted); font-size: 14px; }
.tldr { margin: 30px 0; padding: 22px 24px; border-radius: 18px; background: var(--accent-soft); border: 1px solid #d6e3ff; }
.tldr b { display: block; margin-bottom: 6px; color: var(--accent); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.article h2 { font-size: 1.6rem; margin: 48px 0 14px; }
.article h3 { font-size: 1.2rem; margin: 28px 0 10px; }
.article p, .article li { color: var(--ink-2); }
.article p + p { margin-top: 14px; }
.article ul, .article ol { padding-left: 1.3em; }
.article li + li { margin-top: 8px; }
.howto { list-style: none; padding: 0 !important; counter-reset: howto; }
.howto > li { counter-increment: howto; position: relative; padding: 20px 20px 20px 66px; border: 1px solid var(--line); border-radius: 16px; margin-top: 12px !important; }
.howto > li::before { content: counter(howto); position: absolute; left: 20px; top: 20px; width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px; }
.howto b { color: var(--ink); display: block; margin-bottom: 4px; }
.callout { margin-top: 18px; padding: 16px 18px; border-radius: 14px; background: #fff7ed; border: 1px solid #fde3c4; color: #7c2d12; font-size: 15px; }
.callout b { display: block; margin-bottom: 4px; }
.callout.ok { background: var(--ok-soft); border-color: #cdeedb; color: #14532d; }
.article .cta-inline { margin: 40px 0 0; padding: 28px; border-radius: 20px; border: 1px solid var(--line); background: var(--bg-soft); }
.article .cta-inline h2 { margin: 0 0 8px; font-size: 1.35rem; }
.qa-list { list-style: none; padding: 0 !important; }
.qa-list > li { padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; margin-top: 12px !important; }
.qa-list a { color: var(--ink); font-weight: 650; font-size: 1.05rem; }
.qa-list p { margin-top: 6px; font-size: 14.5px; color: var(--muted); }
.article code { font-size: .92em; padding: 1px 6px; border-radius: 6px; background: var(--bg-soft); }
.sources { font-size: 14px; }
.sources li { color: var(--muted); }

/* Reveal on scroll (only when JS runs and motion is allowed) */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .rx { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .nav-links { display: none; }
  .menu-btn { display: inline-flex; }
  .site-header.open .nav-links {
    display: flex; flex-direction: column; gap: 0; position: absolute; left: 0; right: 0; top: 64px;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 20px 16px; margin: 0;
  }
  .site-header.open .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .shots { grid-template-columns: repeat(2, 1fr); }
  .outcomes { grid-template-columns: repeat(2, 1fr); }
  .outcome:nth-child(2) { border-right: 0; }
  .outcome:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .bento .card, .bento .wide { grid-column: span 3; }
  .feature-case { grid-template-columns: 1fr; padding: 30px; }
  .privacy { grid-template-columns: 1fr; gap: 28px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .hero { padding: 40px 0 56px; }
  .section { padding: 68px 0; }
  .section-head { margin-bottom: 32px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .outcomes { grid-template-columns: 1fr; }
  .outcome { border-right: 0; border-bottom: 1px solid var(--line); }
  .outcome:last-child { border-bottom: 0; }
  .bento .card, .bento .wide { grid-column: span 6; }
  .store { flex: 1 1 100%; }
  .cta-row .btn { flex: 1 1 100%; }
  .stage { flex-direction: column; gap: 18px; }
  .hero .stage { min-height: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: end; }
  .hero .stage .device.iphone { width: 100%; max-width: 260px; }
  .hero .stage .device.android { position: static; width: 100%; max-width: 190px; }
  .hero .stage .device { --pad: clamp(4px, 1.5vw, 10px); padding: var(--pad); border-radius: clamp(26px, 7.5vw, 44px); }
  .hero .stage .device img { border-radius: calc(clamp(26px, 7.5vw, 44px) - var(--pad)); }
  .hero .stage .device.android { --pad: clamp(3px, 1.2vw, 8px); border-radius: clamp(18px, 5.4vw, 30px); }
  .hero .stage .device.android img { border-radius: calc(clamp(18px, 5.4vw, 30px) - var(--pad)); }
  .hero .stage .rx-float { position: static; grid-column: 1 / -1; grid-template-columns: 1fr 1fr; }
  .hero .stage .rx-float .rx { width: auto; }
  .shots { grid-template-columns: 1fr; }
  .receivers { width: 100%; max-width: 340px; }
  .receivers::before, .rx::before { display: none; }
  .rx { animation: none; }
  .final-box { padding: 48px 22px; border-radius: 24px; }
  .feature-case { padding: 24px; border-radius: 22px; }
  .foot-grid { grid-template-columns: 1fr; }
  .lang span { display: none; }
  .nav-right .btn { display: none; }
}