/* Sure91 site — one token set, dark-first (the product is dark); light mirrors it.
   Layout: a 1080px measure for enterprise pages, a 640px reading measure for prose; the verify box is the first element on mobile. */
:root {
  --bg: #0A0A0F; --surface: #14141C; --raised: #1D1D28; --line: #2A2A38;
  --fg: #F5F5FA; --muted: #9A9AB0; --faint: #6C6C84;
  --mint: #00D4AA; --gold: #F5A623; --red: #FF4D5E; --grey: #7C7C92; --blue: #4DA3FF;
  --on-tone: #0A0A0F;
  --display: 'Sora', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --body: 'Sora', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono: 'DM Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #F5F5FA; --surface: #FFFFFF; --raised: #ECECF4; --line: #D9D9E3;
    --fg: #0A0A0F; --muted: #5A5A70; --faint: #8A8AA0;
    --mint: #00A886; --gold: #C97F0E; --red: #D93A47; --grey: #8A8AA0; --blue: #0066CC;
    --on-tone: #FFFFFF;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #F5F5FA; --surface: #FFFFFF; --raised: #ECECF4; --line: #D9D9E3;
  --fg: #0A0A0F; --muted: #5A5A70; --faint: #8A8AA0;
  --mint: #00A886; --gold: #C97F0E; --red: #D93A47; --grey: #8A8AA0; --blue: #0066CC;
  --on-tone: #FFFFFF;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--body); font-size: 16px; line-height: 1.6;
       padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); padding-block: 0; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 2px; }
h1, h2, h3, h4 { font-family: var(--display); text-wrap: balance; margin: 0; line-height: 1.15; }
h1 { font-size: clamp(32px, 5vw, 52px); font-weight: 800; letter-spacing: -0.6px; }
h2 { font-size: clamp(24px, 3.2vw, 34px); font-weight: 800; letter-spacing: -0.3px; }
h3 { font-size: 19px; font-weight: 600; }
p { margin: 0; }
.measure { max-width: 640px; }
.wrap { max-width: 1080px; margin: 0 auto; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--mint); }
.muted { color: var(--muted); }
.small { font-size: 14px; }
code, .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
code { background: var(--raised); padding: 1px 6px; border-radius: 4px; font-size: 0.92em; }
pre { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.5; margin: 0; }
pre code { background: none; padding: 0; font-size: inherit; }

/* nav */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); margin-inline: calc(-1 * max(16px, env(safe-area-inset-left, 0px))) calc(-1 * max(16px, env(safe-area-inset-right, 0px))); padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.nav .wrap { display: flex; align-items: center; gap: 18px; min-height: 58px; flex-wrap: wrap; }
.brand { font-family: var(--display); font-weight: 800; font-size: 22px; letter-spacing: 0.5px; color: var(--fg); display: inline-flex; align-items: center; gap: 8px; }
.brand:hover { text-decoration: none; }
.brand .seal { width: 22px; height: 22px; }
.nav-links { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
.nav-links a { color: var(--muted); font-size: 14px; padding: 6px 10px; border-radius: 8px; }
.nav-links a:hover { color: var(--fg); background: var(--surface); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--fg); background: var(--surface); }
.nav-tools { display: flex; gap: 6px; }
.tool { background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; font: 500 12px var(--mono); cursor: pointer; }
.tool[aria-pressed="true"] { color: var(--fg); border-color: var(--fg); }
@media (max-width: 700px) { .nav-links { order: 3; width: 100%; margin-left: 0; padding-bottom: 8px; overflow-x: auto; flex-wrap: nowrap; } .nav-links a { white-space: nowrap; } }

/* sections */
section { padding-block: 48px; }
section + section { border-top: 1px solid var(--line); }
.hero { padding-block: 40px 44px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid > * { min-width: 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.card h3 { margin-bottom: 6px; }
.stack { display: grid; gap: 12px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--mint); color: var(--on-tone); border: none; border-radius: 10px; padding: 11px 18px; font: 600 15px var(--display); cursor: pointer; }
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn.secondary { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.btn.secondary:hover { border-color: var(--fg); }
ul.clean { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
ul.bullets { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--display); font-size: 12.5px; letter-spacing: 0.6px; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* verdict vocabulary */
.verdict-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.vs { border-left: 4px solid var(--line); padding: 4px 0 4px 12px; }
.vs b { font-family: var(--display); display: block; font-size: 16px; }
.vs span { color: var(--muted); font-size: 14px; }
.vs.green { border-color: var(--mint); } .vs.green b { color: var(--mint); }
.vs.amber { border-color: var(--gold); } .vs.amber b { color: var(--gold); }
.vs.red { border-color: var(--red); } .vs.red b { color: var(--red); }
.vs.grey { border-color: var(--grey); } .vs.grey b { color: var(--grey); }
.tick { display: inline-block; width: 1em; text-align: center; }

/* verify box */
.verify { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px; display: grid; gap: 10px; }
.verify label { font-family: var(--display); font-weight: 600; font-size: 15px; }
.verify .field { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.verify input { width: 100%; min-width: 0; font: 500 20px var(--mono); letter-spacing: 1.5px; text-transform: uppercase; background: var(--raised); color: var(--fg); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.verify input::placeholder { color: var(--faint); letter-spacing: 1px; text-transform: none; font-size: 15px; }
.verify .hint { font-size: 13px; color: var(--muted); }
.verify .go[aria-disabled="true"] { opacity: 0.5; pointer-events: none; }
@media (max-width: 420px) { .verify .field { grid-template-columns: 1fr; } }

/* phone mock */
.phone { background: #050508; color: #F5F5FA; border: 1px solid #2A2A38; border-radius: 26px; padding: 14px 14px 18px; max-width: 300px; width: 100%; margin: 0 auto; box-shadow: 0 18px 50px rgba(0,0,0,.35); }
.phone .bar { width: 64px; height: 5px; background: #2A2A38; border-radius: 3px; margin: 0 auto 14px; }
.phone .time { font: 12px var(--mono); color: #9A9AB0; }
.phone .inc { text-align: center; color: #9A9AB0; font-size: 12px; margin-top: 22px; }
.phone .name { text-align: center; font: 800 20px var(--display); margin-top: 2px; }
.phone .number { text-align: center; font: 14px var(--mono); color: #9A9AB0; margin-bottom: 16px; }
.phone .panel { border-radius: 10px; padding: 12px; font-size: 13px; line-height: 1.45; }
.phone .panel b { display: block; font-family: var(--display); font-size: 14px; margin-bottom: 4px; }
.phone .panel.green { background: rgba(0,212,170,.14); border: 1px solid #00D4AA; } .phone .panel.green b { color: #00D4AA; }
.phone .panel.amber { background: rgba(245,166,35,.14); border: 1px solid #F5A623; } .phone .panel.amber b { color: #F5A623; }
.phone .panel.red { background: rgba(255,77,94,.14); border: 1px solid #FF4D5E; } .phone .panel.red b { color: #FF4D5E; }
.phone .panel.grey { background: rgba(124,124,146,.14); border: 1px solid #7C7C92; } .phone .panel.grey b { color: #9A9AB0; }
.phone .attr { text-align: center; font-size: 10.5px; color: #6C6C84; margin-top: 60px; }
.phone .btns { display: flex; justify-content: space-between; padding: 14px 20px 0; }
.phone .btns i { width: 46px; height: 46px; border-radius: 50%; display: block; }
.phone .wa { background: #0b1a16; border-radius: 10px; padding: 10px 12px; font-size: 13px; line-height: 1.45; }
.phone .wa .foot { border-top: 1px solid #1f2f2a; margin-top: 8px; padding-top: 6px; color: #9A9AB0; font-size: 11.5px; }
.phone .wa .foot code { background: #14141C; color: #4DA3FF; }

/* steps */
.steps { counter-reset: s; display: grid; gap: 14px; }
.step { display: grid; grid-template-columns: 36px 1fr; gap: 14px; align-items: start; }
.step::before { counter-increment: s; content: counter(s); width: 36px; height: 36px; border-radius: 50%; background: var(--mint); color: var(--on-tone); font: 700 15px var(--display); display: grid; place-items: center; }
.step h3 { margin-bottom: 4px; }

/* footer */
footer { border-top: 1px solid var(--line); padding-block: 28px 40px; font-size: 13px; color: var(--muted); }
footer .wrap { display: grid; gap: 12px; }
footer .links { display: flex; gap: 14px; flex-wrap: wrap; }
footer a { color: var(--muted); }

/* diagram svg */
.diagram { width: 100%; max-width: 100%; height: auto; display: block; }
.diagram text { font-family: var(--body); font-size: 12px; fill: var(--fg); }
.diagram .m { fill: var(--muted); font-size: 11px; }
.diagram .box { fill: var(--surface); stroke: var(--line); }
.diagram .mint { stroke: var(--mint); }
.diagram .arrow { stroke: var(--muted); fill: none; stroke-width: 1.5; marker-end: url(#ah); }
.diagram .code { font-family: var(--mono); font-size: 10.5px; fill: var(--mint); }

/* i18n: show one language at a time */
[lang-hi] { display: none; }
html[data-lang="hi"] [lang-en] { display: none; }
html[data-lang="hi"] [lang-hi] { display: revert; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }