/* 넷서브 (NetServ) — www.remote-viewer.com company site
   Shared design system. Light theme with dark-mode support; Korean-first typography. */

:root {
  --bg:        #ffffff;
  --bg-soft:   #f6f8fc;
  --bg-panel:  #ffffff;
  --border:    #e3e8f0;
  --border-soft:#eef1f6;
  --text:      #1a2233;
  --text-soft: #55607a;
  --text-mut:  #8b95ab;
  --accent:    #4f6bff;
  --accent-2:  #7c7cf0;
  --accent-ink:#3348d8;
  --grad:      linear-gradient(135deg, #7c7cf0, #4f9dff);
  --ok:        #1a8f5a;
  --warn:      #b26a00;
  --danger:    #c23b3b;
  --shadow:    0 1px 2px rgba(18,28,54,.04), 0 8px 24px rgba(18,28,54,.06);
  --radius:    14px;
  --maxw:      1180px;
  --sidebar-w: 232px;
  --header-h:  60px;
  --mono: ui-monospace, SFMono-Regular, "Cascadia Code", Consolas, monospace;
  --sans: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", -apple-system,
          BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0d1117;
    --bg-soft:   #11161f;
    --bg-panel:  #161b22;
    --border:    #283040;
    --border-soft:#20262f;
    --text:      #e6edf3;
    --text-soft: #b6c0d0;
    --text-mut:  #7d8799;
    --accent:    #6f8bff;
    --accent-ink:#9db4ff;
    --shadow:    0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* ---- i18n: show only the active language ------------------------------- */
.lang-ko, .lang-en { display: none; }
html[lang="ko"] .lang-ko { display: revert; }
html[lang="en"] .lang-en { display: revert; }
.lang-toggle {
  margin-left: 6px; padding: 7px 12px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--bg-panel); color: var(--text-soft);
  font: inherit; font-size: 13.5px; font-weight: 700;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--text); }
body {
  margin: 0;
  font: 15.5px/1.7 var(--sans);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: .88em; background: var(--bg-soft);
       border: 1px solid var(--border-soft); border-radius: 6px; padding: 1px 6px; }
pre { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 10px;
      padding: 14px 16px; overflow-x: auto; font-family: var(--mono); font-size: 13.5px; line-height: 1.6; }
pre code { background: none; border: 0; padding: 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 28px 0; }

/* ---- Top header --------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .bar {
  max-width: var(--maxw); margin: 0 auto; height: 100%;
  display: flex; align-items: center; gap: 22px; padding: 0 20px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  font-size: 13px; font-weight: 800; color: #fff; background: var(--grad);
}
.brand .name { font-size: 17px; letter-spacing: -.2px; }
.brand .name small { color: var(--text-mut); font-weight: 600; font-size: 12px; margin-left: 4px; }
.top-nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.top-nav a {
  color: var(--text-soft); font-weight: 600; font-size: 14.5px;
  padding: 8px 12px; border-radius: 8px;
}
.top-nav a:hover { color: var(--text); background: var(--bg-soft); text-decoration: none; }
.top-nav a.active { color: var(--accent-ink); }
.top-nav a.cta {
  color: #fff; background: var(--accent); border: 1px solid var(--accent);
}
.top-nav a.cta:hover { background: var(--accent-ink); color: #fff; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--border);
  border-radius: 8px; width: 40px; height: 38px; font-size: 18px; color: var(--text); cursor: pointer; }

/* ---- Shell: sidebar + content ------------------------------------------ */
.shell { max-width: var(--maxw); margin: 0 auto; display: flex; gap: 34px; padding: 0 20px; }
.sidebar {
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  position: sticky; top: var(--header-h); align-self: flex-start;
  height: calc(100vh - var(--header-h)); overflow-y: auto;
  padding: 26px 0 40px;
}
.sidebar .grp { margin-bottom: 22px; }
.sidebar .grp-title {
  font-size: 11.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-mut); padding: 0 10px; margin-bottom: 6px;
}
.sidebar a {
  display: block; padding: 7px 10px; border-radius: 8px; color: var(--text-soft);
  font-size: 14px; font-weight: 500; border-left: 2px solid transparent;
}
.sidebar a:hover { background: var(--bg-soft); color: var(--text); text-decoration: none; }
.sidebar a.active { color: var(--accent-ink); background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-left-color: var(--accent); font-weight: 700; }

.content { flex: 1 1 auto; min-width: 0; padding: 30px 0 72px; }

/* full-width pages (no sidebar) */
.shell.full { display: block; }
.shell.full .content { padding-top: 0; }

/* ---- Typography in content --------------------------------------------- */
.content h1 { font-size: 30px; line-height: 1.25; letter-spacing: -.5px; margin: .2em 0 .5em; }
.content h2 { font-size: 22px; letter-spacing: -.3px; margin: 1.6em 0 .5em;
  padding-bottom: .3em; border-bottom: 1px solid var(--border-soft); }
.content h3 { font-size: 17px; margin: 1.4em 0 .4em; }
.content p { color: var(--text-soft); }
.content ul, .content ol { color: var(--text-soft); padding-left: 22px; }
.content li { margin: 4px 0; }
.lead { font-size: 18px; color: var(--text-soft); }
.eyebrow { color: var(--accent-ink); font-weight: 800; font-size: 13px; letter-spacing: .04em;
  text-transform: uppercase; margin-bottom: 8px; }
.muted { color: var(--text-mut); }
.small { font-size: 13px; }

/* ---- Components --------------------------------------------------------- */
.hero { padding: 64px 0 40px; text-align: center; }
.hero h1 { font-size: 44px; line-height: 1.12; letter-spacing: -1px; max-width: 16ch; margin: 0 auto .3em; }
.hero .lead { max-width: 60ch; margin: 0 auto 28px; font-size: 19px; }
.gradient-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 10px;
  font-weight: 700; font-size: 15px; border: 1px solid var(--border); color: var(--text); background: var(--bg-panel); }
.btn:hover { text-decoration: none; border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-ink); }

.grid { display: grid; gap: 18px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; display: flex; align-items: center; gap: 9px; }
.card .ico { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 14%, transparent); font-size: 17px; }
.card p { margin: .4em 0 0; font-size: 14.5px; }
.card.link:hover { border-color: var(--accent); transform: translateY(-2px); transition: .15s; }

.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 9px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-soft); background: var(--bg-soft); }
.badge.free { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--border)); }
.badge.paid { color: var(--accent-ink); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.badge.soon { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--border)); }

/* coming-soon product/service cards (dimmed, non-linked) and sidebar entries */
.card.soon { opacity: .62; }
.card.soon:hover { transform: none; border-color: var(--border); }
.sidebar .soon { display: block; padding: 7px 10px; color: var(--text-mut); font-size: 14px; }

table.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 12px 0; }
table.tbl th, table.tbl td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
table.tbl thead th { background: var(--bg-soft); font-size: 13px; color: var(--text-soft); border-bottom: 1px solid var(--border); }
table.tbl th:first-child, table.tbl td:first-child { width: 26%; color: var(--text); font-weight: 600; }

.notice { border: 1px solid var(--border); border-left: 3px solid var(--accent); background: var(--bg-soft);
  border-radius: 10px; padding: 14px 16px; margin: 16px 0; font-size: 14px; color: var(--text-soft); }
.notice.warn { border-left-color: var(--warn); }

.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.plan { display: flex; flex-direction: column; }
.plan.feature { border-color: var(--accent); box-shadow: 0 8px 30px rgba(79,107,255,.16); }
.plan .price { font-size: 30px; font-weight: 800; margin: 6px 0 2px; }
.plan .price small { font-size: 14px; font-weight: 600; color: var(--text-mut); }
.plan ul { list-style: none; padding: 0; margin: 14px 0 20px; }
.plan ul li { padding: 6px 0 6px 26px; position: relative; border-top: 1px solid var(--border-soft); font-size: 14px; }
.plan ul li:before { content: "✓"; position: absolute; left: 2px; color: var(--ok); font-weight: 800; }
.plan .btn { margin-top: auto; justify-content: center; }

dl.legal dt { font-weight: 700; margin-top: 18px; }
dl.legal dd { margin: 4px 0 0; color: var(--text-soft); }

/* ---- Footer ------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-soft); margin-top: 40px; }
.site-footer .inner { max-width: var(--maxw); margin: 0 auto; padding: 34px 20px; display: flex;
  gap: 40px; flex-wrap: wrap; justify-content: space-between; }
.site-footer .col h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-mut); margin: 0 0 10px; }
.site-footer .col a { display: block; color: var(--text-soft); font-size: 14px; padding: 3px 0; }
.site-footer .col a:hover { color: var(--text); }
.site-footer .legal-line { max-width: var(--maxw); margin: 0 auto; padding: 0 20px 30px;
  color: var(--text-mut); font-size: 12.5px; line-height: 1.8; }
.site-footer .legal-line strong { color: var(--text-soft); }
.ns-visits { color: var(--text-mut); }
/* subtle per-download count appended after a platform-table download link */
.dlcount { color: var(--text-mut); font-size: .92em; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---- Responsive --------------------------------------------------------- */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .top-nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px; }
  .top-nav.open { display: flex; }
  .top-nav a { padding: 11px 14px; border-radius: 8px; }
  .top-nav a.cta { margin-top: 6px; text-align: center; }
  .shell { flex-direction: column; gap: 0; }
  .sidebar { position: static; width: auto; height: auto; border-bottom: 1px solid var(--border);
    padding: 14px 0; display: flex; flex-wrap: wrap; gap: 4px; }
  .sidebar .grp { margin: 0; }
  .sidebar .grp-title { display: none; }
  .sidebar a { border-left: 0; }
  .grid.cols-3, .grid.cols-2, .pricing { grid-template-columns: 1fr; }
  .hero h1 { font-size: 33px; }
}