/* IndexSentry public website.
   Plain HTML and CSS, no script. Logical properties throughout (inline-start/end), so right-to-left
   languages mirror without a second stylesheet. Dark by default, light when the visitor's system is light. */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../vendor/fonts/inter/inter-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../vendor/fonts/inter/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: dark light;
  --bg: #0a1017;
  --bg-2: #0e1822;
  --surface: #131f2b;
  --surface-2: #19293a;
  --line: #243445;
  --fg: #e9eff5;
  --muted: #9fb2c4;
  --accent: #3ddcb0;
  --accent-ink: #04261d;
  --accent-soft: rgba(61, 220, 176, 0.13);
  --amber: #ffb84d;
  --danger: #ff8080;
  --good: #5fe3b4;
  --glow: rgba(61, 220, 176, 0.2);
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.7);
  --radius: 16px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f8fb;
    --bg-2: #e9f0f6;
    --surface: #ffffff;
    --surface-2: #f0f5f9;
    --line: #d3deea;
    --fg: #0b1824;
    --muted: #465a6e;
    --accent: #07765a;
    --accent-ink: #ffffff;
    --accent-soft: rgba(7, 118, 90, 0.1);
    --amber: #9a5b00;
    --danger: #b3261e;
    --good: #07765a;
    --glow: rgba(7, 118, 90, 0.14);
    --shadow: 0 30px 70px -35px rgba(11, 24, 36, 0.35);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body:lang(ar), body:lang(ur) { font-family: var(--font), "Segoe UI", "Noto Naskh Arabic", "Noto Sans Arabic", Tahoma, Arial, sans-serif; }
body:lang(hi) { font-family: var(--font), "Nirmala UI", "Noto Sans Devanagari", "Mangal", sans-serif; }
body:lang(bn) { font-family: var(--font), "Nirmala UI", "Noto Sans Bengali", "Vrinda", sans-serif; }
body:lang(ja) { font-family: var(--font), "Yu Gothic UI", "Hiragino Sans", "Meiryo", "Noto Sans JP", sans-serif; }
body:lang(zh) { font-family: var(--font), "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif; }
body:lang(ko) { font-family: var(--font), "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; }
body:lang(ar) *, body:lang(ur) * { letter-spacing: 0 !important; }

img, svg { max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.025em; text-wrap: balance; font-weight: 700; }
p { text-wrap: pretty; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(100% - 40px, 1120px); margin-inline: auto; }
.skip { position: absolute; inset-inline-start: 12px; inset-block-start: -60px; background: var(--accent); color: var(--accent-ink); padding: 10px 16px; border-radius: 8px; z-index: 50; font-weight: 600; }
.skip:focus { inset-block-start: 12px; }

/* ---- navigation ---- */
.nav { position: sticky; inset-block-start: 0; z-index: 30; backdrop-filter: blur(14px); background: color-mix(in srgb, var(--bg) 82%, transparent); border-block-end: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 28px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; text-decoration: none; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 40%, var(--amber))); display: grid; place-items: center; color: var(--accent-ink); }
.nav-links { display: flex; gap: 6px; margin-inline-start: 12px; }
.nav-links a { text-decoration: none; padding: 8px 14px; border-radius: 999px; color: var(--muted); font-size: 0.97rem; font-weight: 500; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--fg); background: var(--surface); }
.nav-end { margin-inline-start: auto; display: flex; align-items: center; gap: 10px; }
.lang { position: relative; }
.lang summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 0.92rem; font-weight: 500; background: var(--surface); }
.lang summary::-webkit-details-marker { display: none; }
.lang-menu { position: absolute; inset-inline-end: 0; inset-block-start: calc(100% + 8px); min-width: 220px; max-height: 70vh; overflow: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 6px; box-shadow: var(--shadow); display: grid; }
.lang-menu a { display: flex; justify-content: space-between; gap: 12px; padding: 9px 12px; border-radius: 9px; text-decoration: none; font-size: 0.95rem; }
.lang-menu a:hover { background: var(--surface-2); }
.lang-menu a[aria-current="true"] { color: var(--accent); font-weight: 600; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 999px; font-weight: 600; font-size: 0.98rem; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform 0.15s ease, background 0.15s ease; white-space: nowrap; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost { border-color: var(--line); background: transparent; }
.btn-ghost:hover { background: var(--surface); }
.btn-lg { padding: 15px 28px; font-size: 1.05rem; }
.btn-block { width: 100%; white-space: normal; padding-inline: 12px; text-align: center; }

.menu { display: none; }
.menu summary { list-style: none; cursor: pointer; padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; font-weight: 500; background: var(--surface); }
.menu summary::-webkit-details-marker { display: none; }
.menu-panel { position: absolute; inset-inline: 0; inset-block-start: 100%; background: var(--bg); border-block-end: 1px solid var(--line); padding: 14px 20px 20px; display: grid; gap: 4px; }
.menu-panel a { padding: 12px 8px; text-decoration: none; font-weight: 500; border-block-end: 1px solid var(--line); }

/* ---- hero ---- */
.hero { position: relative; overflow: clip; padding-block: clamp(56px, 9vw, 120px) clamp(40px, 6vw, 80px); background:
  radial-gradient(900px 480px at 85% -10%, var(--glow), transparent 70%),
  radial-gradient(700px 400px at 5% 10%, color-mix(in srgb, var(--amber) 12%, transparent), transparent 70%),
  linear-gradient(color-mix(in srgb, var(--line) 45%, transparent) 1px, transparent 1px) 0 0 / 100% 56px,
  var(--bg); }
.hero > .wrap { position: relative; z-index: 1; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, transparent 55%, var(--bg)); pointer-events: none; }
.hero-in { position: relative; z-index: 1; display: grid; gap: 56px; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent); border-radius: 2px; }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 4.1rem); margin-block: 18px 22px; letter-spacing: -0.035em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lead { font-size: clamp(1.08rem, 1.6vw, 1.25rem); color: var(--muted); max-width: 40em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 32px 14px; }
.hero-note { color: var(--muted); font-size: 0.92rem; }

/* product preview, drawn in HTML and CSS */
.mock { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; direction: ltr; text-align: start; font-size: 0.86rem; transform: perspective(1400px) rotateY(-5deg) rotateX(2deg); transform-origin: left center; }
[dir="rtl"] .mock { direction: rtl; transform: perspective(1400px) rotateY(5deg) rotateX(2deg); transform-origin: right center; }
.mock-bar { display: flex; gap: 7px; align-items: center; padding: 12px 16px; background: var(--surface-2); border-block-end: 1px solid var(--line); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.mock-body { padding: 18px; display: grid; gap: 14px; }
.mock-kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.kpi { background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.kpi small { color: var(--muted); display: block; margin-block-end: 4px; }
.kpi b { font-size: 1.7rem; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.kpi b span { font-size: 0.9rem; color: var(--muted); font-weight: 500; }
.spark { display: block; width: 100%; height: 34px; margin-block-start: 6px; }
.mock-list { display: grid; gap: 8px; }
.mock-list h3 { font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.row span:first-child { min-width: 0; overflow-wrap: anywhere; }
.pill { flex: none; font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.pill-high { background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger); }
.pill-med { background: color-mix(in srgb, var(--amber) 20%, transparent); color: var(--amber); }
.pill-ok { background: var(--accent-soft); color: var(--good); }

/* ---- sections ---- */
section { padding-block: clamp(56px, 8vw, 104px); }
.section-head { max-width: 46em; margin-block-end: 48px; }
.section-head h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); }
.section-head p { color: var(--muted); margin-block-start: 14px; font-size: 1.1rem; }
.alt { background: var(--bg-2); border-block: 1px solid var(--line); }

.cards { display: grid; gap: 18px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: grid; gap: 12px; align-content: start; }
.card h3 { font-size: 1.28rem; }
.card p { color: var(--muted); }
.icon { width: 46px; height: 46px; border-radius: 13px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-block-end: 6px; }
.icon svg { width: 24px; height: 24px; }

.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { position: relative; padding-block-start: 22px; border-block-start: 2px solid var(--line); }
.steps li::before { counter-increment: step; content: counter(step); position: absolute; inset-block-start: -15px; inset-inline-start: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-weight: 700; font-size: 0.85rem; }
.steps h3 { font-size: 1.1rem; margin-block-end: 8px; }
.steps p { color: var(--muted); font-size: 0.98rem; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font-weight: 500; }

.faq { display: grid; gap: 10px; max-width: 52em; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 4px 22px; }
.faq summary { cursor: pointer; font-weight: 600; padding-block: 16px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq p { color: var(--muted); padding-block-end: 18px; }

.cta-band { background: radial-gradient(600px 260px at 50% 0, var(--glow), transparent 70%), var(--bg-2); border-block-start: 1px solid var(--line); text-align: center; }
.cta-band h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); max-width: 18em; margin-inline: auto; }
.cta-band p { color: var(--muted); margin-block: 14px 30px; }

/* ---- feature page ---- */
.feature-block { display: grid; gap: 40px; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); align-items: start; padding-block: 44px; border-block-start: 1px solid var(--line); }
.feature-block:first-of-type { border-block-start: 0; }
.feature-block h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); }
.feature-block .muted { color: var(--muted); margin-block-start: 10px; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.ticks li { position: relative; padding-inline-start: 34px; }
.ticks li::before { content: ""; position: absolute; inset-inline-start: 0; inset-block-start: 4px; width: 20px; height: 20px; border-radius: 50%; background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%233ddcb0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 20px no-repeat; }

/* ---- pricing ---- */
.billing { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); justify-items: center; gap: 36px; }
.billing > input { position: absolute; opacity: 0; pointer-events: none; }
.switch { display: inline-flex; flex-wrap: wrap; justify-content: center; max-width: 100%; padding: 5px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); gap: 4px; }
.switch label { padding: 9px 22px; border-radius: 999px; cursor: pointer; font-weight: 600; display: inline-flex; gap: 8px; align-items: center; }
.switch .save { font-size: 0.74rem; padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
#bill-month:checked ~ .switch label[for="bill-month"], #bill-year:checked ~ .switch label[for="bill-year"] { background: var(--accent); color: var(--accent-ink); }
#bill-month:checked ~ .switch label[for="bill-month"] .save, #bill-year:checked ~ .switch label[for="bill-year"] .save { background: rgba(0, 0, 0, 0.24); color: var(--accent-ink); }
#bill-month:focus-visible ~ .switch label[for="bill-month"], #bill-year:focus-visible ~ .switch label[for="bill-year"] { outline: 3px solid var(--accent); outline-offset: 3px; }
.plans { display: grid; gap: 16px; grid-template-columns: repeat(5, minmax(0, 1fr)); width: 100%; align-items: stretch; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; display: grid; gap: 14px; align-content: start; position: relative; }
.plan-hot { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow); }
.plan .tag { position: absolute; inset-block-start: -13px; inset-inline-start: 22px; background: var(--accent); color: var(--accent-ink); font-size: 0.74rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.plan h3 { font-size: 1.25rem; }
.plan .tagline { color: var(--muted); font-size: 0.93rem; min-height: 3.3em; }
.price { display: grid; gap: 2px; }
.price b { font-size: 2.4rem; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; line-height: 1.1; }
.price small { color: var(--muted); font-size: 0.88rem; }
.price-year { display: none; }
#bill-year:checked ~ .plans .price-month { display: none; }
#bill-year:checked ~ .plans .price-year { display: grid; }
.plan ul { list-style: none; margin: 0; padding: 14px 0 0; border-block-start: 1px solid var(--line); display: grid; gap: 9px; font-size: 0.94rem; }
.plan li { display: flex; justify-content: space-between; gap: 10px; }
.plan li span { color: var(--muted); }
.plan li b { font-variant-numeric: tabular-nums; text-align: end; }
.fine { color: var(--muted); font-size: 0.92rem; text-align: center; }

.table-wrap { position: relative; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table.compare { width: 100%; border-collapse: collapse; min-width: 760px; font-size: 0.97rem; }
.compare th, .compare td { padding: 13px 16px; text-align: center; border-block-end: 1px solid var(--line); }
.compare th:first-child, .compare td:first-child { text-align: start; }
.compare thead th { position: sticky; inset-block-start: 0; background: var(--surface-2); font-size: 0.95rem; }
.compare tbody th { font-weight: 500; }
.compare .grp th { background: var(--surface-2); text-align: start; font-size: 0.78rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--accent); }
.compare td b { font-variant-numeric: tabular-nums; }
.yes { color: var(--good); font-weight: 700; }
.no { color: var(--muted); opacity: 0.6; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* ---- footer ---- */
.footer { padding-block: 56px 36px; border-block-start: 1px solid var(--line); background: var(--bg-2); color: var(--muted); font-size: 0.96rem; }
.footer-grid { display: grid; gap: 36px; grid-template-columns: 1.4fr repeat(3, 1fr); }
.footer h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg); margin-block-end: 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--fg); text-decoration: underline; }
.footer-bottom { margin-block-start: 40px; padding-block-start: 22px; border-block-start: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

@media (max-width: 1020px) {
  .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 40px; }
}
@media (max-width: 860px) {
  .hero-in, .feature-block { grid-template-columns: minmax(0, 1fr); }
  .cards, .cards-2 { grid-template-columns: minmax(0, 1fr); }
  .mock, [dir="rtl"] .mock { transform: none; }
  .nav-links, .nav-end .btn-ghost { display: none; }
  .menu { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .switch label { padding: 9px 16px; }
  .plans, .steps { grid-template-columns: minmax(0, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-end .btn-primary { display: none; }
  .mock-kpis { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}
.lang summary svg { flex: none; }

/* ---- long text (legal pages) ---- */
.prose { max-width: 46rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 4vw, 44px); }
.prose h2 { font-size: 1.35rem; margin-block: 1.8em 0.5em; }
.prose h3 { font-size: 1.12rem; margin-block: 1.5em 0.4em; }
.prose p, .prose li { color: var(--fg); }
.prose p { margin-block: 0.9em; max-width: none; }
.prose ul, .prose ol { padding-inline-start: 1.4em; }
.prose a { color: var(--accent); }
.prose > :first-child { margin-block-start: 0; }