/* anvaracampus.com: one stylesheet for every page. Anvara's identity from the one-pager: crimson
   accent, Sora for headings, Inter for text; a calm, specific look; light and dark follow the
   visitor's system setting. Phone first; the wider layouts arrive at 640 and 900 px. */
:root {
  --brand: #af1d1d;
  --brand-ink: #8f1717;
  --brand-fill: #af1d1d;        /* surfaces with white text on them */
  --brand-fill-hover: #8f1717;
  --brand-soft: #fbeceb;
  --ink: #1d1718;
  --ink-2: #5d5355;
  --ink-3: #7b7072;
  --paper: #fbf9f8;
  --card: #ffffff;
  --line: #ece5e4;
  --line-2: #d9cfce;
  --base: #eef0f4;
  --base-ink: #3b4350;
  --ok: #17803d;
  --warn: #8a5a00;
  --focus: #1d4ed8;
  --shadow: 0 18px 40px -24px rgba(60, 20, 20, .28);
  --display: Sora, Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  --body: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --script: "Noto Sans Bengali", "Noto Sans Sinhala", "Noto Sans Tamil", "Noto Sans Khmer", "Noto Sans Lao", Inter, system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand: #e0514f; --brand-ink: #f07a78; --brand-fill: #b83432; --brand-fill-hover: #a12b29; --brand-soft: #3a1b1c; --ink: #f4eeed; --ink-2: #c4b8b9; --ink-3: #a1969a;
    --paper: #151112; --card: #1e1819; --line: #33292a; --line-2: #4a3e3f; --base: #1c2028; --base-ink: #c3c9d6; --ok: #4ade80; --warn: #f5c35c; --focus: #93c5fd;
    --shadow: 0 18px 40px -24px rgba(0, 0, 0, .7); color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.55 var(--body); }
img, video { max-width: 100%; height: auto; }
h1, h2, h3, h4 { font-family: var(--display); letter-spacing: -.02em; line-height: 1.15; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(30px, 5.2vw, 48px); font-weight: 700; line-height: 1.06; }
h2 { font-size: clamp(23px, 3.2vw, 30px); font-weight: 700; }
h3 { font-size: 18px; font-weight: 600; }
p { margin: 0; }
p + p { margin-top: 12px; }
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--brand-ink); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.muted { color: var(--ink-2); }
.small { font-size: 14px; }
.eyebrow { display: block; font: 600 12px/1.2 var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--brand); margin-bottom: 10px; }
.lede { font-size: 18px; color: var(--ink-2); max-width: 36em; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding-inline: 20px; }
ul, ol { margin: 0; padding-left: 22px; }
li + li { margin-top: 6px; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--brand-fill); color: #fff; padding: 10px 14px; border-radius: 8px; z-index: 10; font-weight: 600; }
.skip:focus { top: 12px; }

/* header and footer */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px 20px; flex-wrap: wrap; padding-block: 14px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 500 16px var(--display); }
.brand b { font-weight: 700; }
.brand img { width: 28px; height: 28px; }
.site-header nav { display: flex; align-items: center; gap: 4px 18px; flex-wrap: wrap; }
.nav-link { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: 15px; padding: 6px 0; }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--ink); }
.nav-link[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--brand); }
.nav-cta { color: var(--brand); font-weight: 600; }
.site-footer { border-top: 1px solid var(--line); margin-top: 72px; padding-block: 36px 40px; color: var(--ink-2); }
.foot-grid { display: grid; gap: 24px; margin-bottom: 22px; }
.foot-brand { display: flex; align-items: center; gap: 8px; font: 600 15px var(--display); color: var(--ink); margin-bottom: 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 20px; align-content: start; }
.foot-links a { color: var(--ink-2); text-decoration: none; font-size: 15px; }
.foot-links a:hover { color: var(--ink); text-decoration: underline; }
.contact-line { margin-top: 10px; font-size: 15px; color: var(--ink); }
.email { font-weight: 600; user-select: all; }
.langs { font-family: var(--script); font-size: 15px; color: var(--ink-2); margin: 0 0 10px; }
.site-footer .small + .small { margin-top: 8px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 20px; border-radius: 10px; font: 600 15px var(--body); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.btn-primary { background: var(--brand-fill); color: #fff; }
.btn-primary:hover { background: var(--brand-fill-hover); color: #fff; }
.btn-secondary { background: var(--card); color: var(--ink); border-color: var(--line-2); }
.btn-secondary:hover { border-color: var(--ink-3); color: var(--ink); }
.btn[disabled] { opacity: .6; cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.actions .note { flex-basis: 100%; font-size: 13.5px; color: var(--ink-3); }

/* sections */
main > section { padding-block: 44px; }
main > section + section { border-top: 1px solid var(--line); }
.section-head { margin-bottom: 24px; max-width: 46em; }
.section-head p { margin-top: 10px; color: var(--ink-2); }

/* hero */
.hero { display: grid; gap: 32px; align-items: center; padding-block: 36px 44px; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero .lede { margin-top: 16px; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 26px; max-width: 560px; }
.stat b { display: block; font: 700 30px/1 var(--display); color: var(--brand); font-variant-numeric: tabular-nums; margin-bottom: 4px; }
.stat span { font-size: 13px; color: var(--ink-2); display: block; }
.video { border-radius: 14px; overflow: hidden; background: #000; box-shadow: var(--shadow); border: 1px solid var(--line); }
.video video { display: block; width: 100%; aspect-ratio: 16 / 9; }
.video-cap { font-size: 13.5px; color: var(--ink-3); margin-top: 8px; }

/* the layer diagram */
.layers { display: grid; gap: 10px; }
.layer { border-radius: 14px; padding: 20px 22px; }
.layer-top { background: var(--brand-fill); color: #fff; box-shadow: var(--shadow); }
.layer-top h3 { color: #fff; font-size: 20px; margin-bottom: 4px; }
.layer-top p { font-size: 14px; opacity: .92; }
.layer-top ul { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px 16px; font-size: 14px; }
.layer-top li { margin: 0; padding-left: 20px; position: relative; }
.layer-top li::before { content: "✓"; position: absolute; left: 0; font-weight: 700; }
.flow { display: flex; justify-content: center; gap: 12px 40px; flex-wrap: wrap; font: 600 12px/1.3 var(--body); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); text-align: center; }
.flow span::before { content: "↑ "; }
.flow span + span::before { content: "↓ "; }
.layer-base { background: var(--base); color: var(--base-ink); display: grid; gap: 16px; }
.sys b { display: block; font: 600 15px var(--display); color: var(--ink); margin-bottom: 3px; }
.sys span { font-size: 13.5px; color: var(--base-ink); display: block; }
.keep { margin-top: 4px; font: 600 11px var(--body); letter-spacing: .1em; text-transform: uppercase; color: var(--ok); }

/* screens */
.screens { display: grid; gap: 32px; }
.screen-col { display: grid; gap: 14px; align-content: start; }
.screen-col p { color: var(--ink-2); max-width: 46em; }
figure { margin: 0; }
figure img { width: 100%; display: block; border-radius: 10px; border: 1px solid var(--line); box-shadow: var(--shadow); }
figcaption { font-size: 13.5px; color: var(--ink-2); margin-top: 8px; }
.pair { display: grid; gap: 14px; }
.phone-row { display: grid; gap: 14px; align-items: start; }
.phone-row figure:first-child { max-width: 280px; }

/* cards grid */
.grid { display: grid; gap: 12px; }
.grid article, .card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 16px 14px; display: flex; flex-direction: column; gap: 6px; }
.grid h3 { font-size: 16px; line-height: 1.3; }
.grid p { font-size: 14px; color: var(--ink-2); }
.tag { align-self: flex-start; font: 600 11px/1.2 var(--body); letter-spacing: .1em; text-transform: uppercase; color: var(--brand); }
.sim { margin-top: auto; padding-top: 8px; font-size: 12.5px; color: var(--ink-3); }
.sim::before { content: "◌ "; }

/* evidence */
.evidence { display: grid; gap: 12px; }
.ev { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.ev b { display: block; font: 700 26px/1 var(--display); color: var(--ink); font-variant-numeric: tabular-nums; margin-bottom: 8px; }
.ev span { font-size: 13.5px; color: var(--ink-2); }
.evidence-note { margin-top: 14px; font-size: 13.5px; color: var(--ink-3); }

/* closing band */
.cta { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 32px 24px; text-align: center; }
.cta p { margin: 10px auto 0; max-width: 38em; color: var(--ink-2); }
.cta .actions { justify-content: center; }

/* how it works */
.journey { display: grid; gap: 16px; }
.journey article { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.journey h3 { margin-bottom: 8px; }
.journey ol { padding-left: 20px; font-size: 14.5px; color: var(--ink-2); }
.journey li b { color: var(--ink); font-weight: 600; }
.profiles { display: grid; gap: 12px; }
.profile { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.profile h3 { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.profile h3 small { font: 600 11px/1.2 var(--body); letter-spacing: .1em; text-transform: uppercase; color: var(--brand); }
.profile ul { font-size: 14.5px; color: var(--ink-2); padding-left: 20px; }
.profile ul li { margin-top: 4px; }
.steps { counter-reset: step; list-style: none; padding: 0; display: grid; gap: 10px; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; margin: 0; font-size: 14.5px; color: var(--ink-2); }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--brand-soft); color: var(--brand); font: 700 13px var(--display); }
.steps b { color: var(--ink); font-weight: 600; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; background: var(--paper); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td .ok { color: var(--ok); font-weight: 600; }
td .sim-cell { color: var(--warn); font-weight: 600; }
.walk { display: grid; gap: 24px; }
.chapters { list-style: none; padding: 0; display: grid; gap: 4px; }
.chapters li { margin: 0; }
.chapters button { width: 100%; display: grid; grid-template-columns: 44px 1fr; gap: 10px; align-items: baseline; text-align: left; background: none; border: 1px solid transparent; border-radius: 8px; padding: 7px 10px; font: 500 14.5px/1.35 var(--body); color: var(--ink); cursor: pointer; }
.chapters button:hover { background: var(--card); border-color: var(--line); }
.chapters button.is-current { background: var(--brand-soft); border-color: transparent; }
.chapters time { font-variant-numeric: tabular-nums; color: var(--ink-3); font-size: 13px; }
.chapters small { display: block; color: var(--ink-2); font-size: 13px; }
.options { display: grid; gap: 12px; }
.option { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.option h3 { margin-bottom: 6px; }
.option p { font-size: 14.5px; color: var(--ink-2); }
.option .who { margin-top: 10px; font-size: 13px; color: var(--ink-3); }
.plans { display: grid; gap: 12px; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; display: flex; flex-direction: column; }
.plan h3 { margin-bottom: 2px; }
.plan .cap { font-size: 13px; color: var(--ink-3); margin-bottom: 10px; }
.plan ul { font-size: 14.5px; color: var(--ink-2); padding-left: 20px; }
.plan ul li { margin-top: 4px; }
.plan .price { margin-top: auto; padding-top: 14px; font-weight: 600; color: var(--ink); }
.rules { border-top: 2px solid var(--ink); }
.rule { display: grid; gap: 2px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.rule b { font-weight: 600; }
.rule span { color: var(--ink-2); }
.two-col { display: grid; gap: 32px; }

/* forms */
.form { display: grid; gap: 18px; max-width: 640px; }
.field { display: grid; gap: 6px; }
.field label, .field legend { font-weight: 600; font-size: 15px; }
.field .hint { font-size: 13.5px; color: var(--ink-3); }
.field input, .field select, .field textarea { width: 100%; font: 400 16px/1.4 var(--body); color: var(--ink); background: var(--card); border: 1px solid var(--line-2); border-radius: 8px; padding: 10px 12px; min-height: 44px; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid var(--focus); outline-offset: 1px; border-color: var(--focus); }
.field [aria-invalid="true"] { border-color: var(--brand); }
.field-error { font-size: 13.5px; color: var(--brand-ink); min-height: 0; }
.field-error:empty { display: none; }
fieldset { border: 0; padding: 0; margin: 0; }
.checks { display: grid; gap: 8px; margin-top: 6px; }
.checks label { display: flex; align-items: center; gap: 10px; font-weight: 400; font-size: 15px; min-height: 28px; }
.checks input { width: 20px; height: 20px; margin: 0; accent-color: var(--brand); }
.hp { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }
.form-status { background: var(--brand-soft); color: var(--ink); border-left: 4px solid var(--brand); padding: 12px 14px; border-radius: 8px; font-size: 15px; }
.done { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; max-width: 640px; }
.done:focus { outline: 3px solid var(--focus); }
.consent { font-size: 13.5px; color: var(--ink-3); }

/* prose pages */
.prose { max-width: 46em; }
.prose h2 { font-size: 22px; margin-top: 32px; margin-bottom: 10px; }
.prose > h2:first-child { margin-top: 0; }
.prose ul { margin-top: 10px; }
.prose dl { display: grid; gap: 10px; margin: 10px 0 0; }
.prose dt { font-weight: 600; }
.prose dd { margin: 0; color: var(--ink-2); }
.notfound { padding-block: 80px; text-align: center; }

/* wider screens */
@media (min-width: 640px) {
  .foot-grid { grid-template-columns: 1.4fr 1fr; }
  .layer-top ul, .layer-base, .grid, .evidence, .pair, .profiles, .options, .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .phone-row { grid-template-columns: 200px 1fr; }
  .rule { grid-template-columns: 160px 1fr; gap: 12px; }
  .journey { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; }
}
@media (min-width: 900px) {
  main > section { padding-block: 56px; }
  .hero { grid-template-columns: 1.05fr 1fr; gap: 40px; }
  .layer-top ul, .layer-base, .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .evidence { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .screens, .two-col { grid-template-columns: 1fr 1fr; }
  .walk { grid-template-columns: 1.5fr 1fr; align-items: start; }
  .profiles, .options, .plans { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cta { padding: 44px 32px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* Spacing helpers (the pages may not use inline styles: the policy forbids them). */
.u-font-size-clamp-26px-4vw-36px { font-size:clamp(26px,4vw,36px); }
.u-justify-content-center { justify-content:center; }
.u-margin-14px-auto-0 { margin:14px auto 0; }
.u-margin-bottom-8px { margin-bottom:8px; }
.u-margin-top-0 { margin-top:0; }
.u-margin-top-10px { margin-top:10px; }
.u-margin-top-12px { margin-top:12px; }
.u-margin-top-14px { margin-top:14px; }
.u-margin-top-16px { margin-top:16px; }
.u-margin-top-18px { margin-top:18px; }
.u-margin-top-20px { margin-top:20px; }
.u-padding-bottom-0 { padding-bottom:0; }
.u-padding-top-36px { padding-top:36px; }