/* Kashmeta plans page (students, institutions, custom modules, partners). System fonts only (strict CSP). */
:root {
  color-scheme: light;
  --page: #ffffff; --alt: #f3f5fa; --card: #ffffff; --ink: #0f1220; --ink-2: #454a5e; --muted: #737891; --hair: #e1e4ee;
  --brand: #0b1033; --brand-2: #151b4d; --cyan: #22d3ee; --accent: #2a78d6; --accent-ink: #1c5cab; --good: #0a7d32; --bad: #b42828;
  --cta: #0b1033; --cta-ink: #ffffff; --shadow: 0 1px 2px rgba(15, 18, 32, .06), 0 10px 30px rgba(15, 18, 32, .08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark; --page: #0b0d16; --alt: #10142a; --card: #161a2e; --ink: #f0f1f6; --ink-2: #c6c9d8; --muted: #9196ad; --hair: #262b45;
    --accent: #5aa0f0; --accent-ink: #8cc0ff; --good: #3fcf70; --bad: #f07070; --cta: #22d3ee; --cta-ink: #06122a; --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark; --page: #0b0d16; --alt: #10142a; --card: #161a2e; --ink: #f0f1f6; --ink-2: #c6c9d8; --muted: #9196ad; --hair: #262b45;
  --accent: #5aa0f0; --accent-ink: #8cc0ff; --good: #3fcf70; --bad: #f07070; --cta: #22d3ee; --cta-ink: #06122a; --shadow: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }
button, input, select, textarea { font: inherit; color: inherit; }

/* ---------------------------------------------------------------- top bar */
.nav { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: 20px; padding: 10px clamp(16px, 4vw, 40px); background: rgba(11, 16, 51, .92); backdrop-filter: blur(10px); color: #fff; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; margin-right: auto; }
.brand b { letter-spacing: .16em; font-size: 15px; display: block; line-height: 1.1; }
.brand small { color: #b9c3e6; font-size: 11.5px; letter-spacing: .04em; }
.logo-img { height: 32px; width: auto; display: block; flex: none; }   /* the official Kashmeta logo */
.brand .brand-tag { border-left: 1px solid rgba(255, 255, 255, .22); padding-left: 12px; }
@media (max-width: 640px) { .brand .brand-tag { display: none; } }
.nav nav { display: flex; gap: 22px; }
.nav nav a { color: #d7dcf2; text-decoration: none; font-size: 14.5px; }
.nav nav a:hover { color: #fff; }
@media (max-width: 860px) { .nav nav { display: none; } }

/* ---------------------------------------------------------------- buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 11px; padding: 10px 18px; font-weight: 650; text-decoration: none; cursor: pointer; border: 1px solid transparent; white-space: nowrap; transition: transform .08s ease, filter .15s ease; }
.btn:active { transform: translateY(1px); }
.btn.cta { background: var(--cyan); color: #06122a; }
.btn.cta:hover { filter: brightness(1.06); }
.btn.ghost { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .35); }
.btn.ghost:hover { background: rgba(255, 255, 255, .16); }
.btn.ghost-dark { background: transparent; color: var(--ink); border-color: var(--hair); }
.btn.ghost-dark:hover { border-color: var(--accent); }
.btn.dark { background: var(--cta); color: var(--cta-ink); }
.btn.dark:hover { filter: brightness(1.15); }
.btn.big { padding: 14px 24px; font-size: 17px; border-radius: 13px; }
.btn.small { padding: 7px 12px; font-size: 14px; border-radius: 9px; background: var(--card); border-color: var(--hair); color: var(--ink); }
.btn.small:hover { border-color: var(--accent); }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------------------------------------------------------------- hero */
.hero { position: relative; color: #fff; background: #0b1033 url("/pages/pricing-hero.jpg") center 58% / cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8, 11, 38, .96) 0%, rgba(8, 11, 38, .86) 48%, rgba(8, 11, 38, .3) 100%), linear-gradient(0deg, rgba(8, 11, 38, .55), rgba(8, 11, 38, 0) 40%); }
.hero-in { position: relative; max-width: 1160px; margin: 0 auto; padding: clamp(60px, 11vw, 130px) clamp(16px, 4vw, 40px) clamp(56px, 9vw, 110px); }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 12.5px; color: var(--cyan); font-weight: 700; margin: 0 0 14px; }
.hero h1 { font-size: clamp(32px, 5.2vw, 58px); line-height: 1.06; letter-spacing: -.025em; margin: 0 0 18px; max-width: 760px; }
.hero .lead { font-size: clamp(17px, 2vw, 20px); color: #d7dcf2; max-width: 640px; margin: 0 0 28px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.proof { margin: 22px 0 0; color: #b9c3e6; font-size: 14.5px; }
.proof b { color: #fff; }
.offer { background: linear-gradient(90deg, #22d3ee, #7c5cff); color: #06122a; text-align: center; padding: 10px 16px; font-weight: 700; }

/* ---------------------------------------------------------------- bands */
.band { padding: clamp(48px, 7vw, 88px) clamp(16px, 4vw, 40px); }
.band > * { max-width: 1160px; margin-left: auto; margin-right: auto; }
.band.alt { background: var(--alt); }
.band h2 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -.02em; line-height: 1.15; margin-top: 0; margin-bottom: 10px; }
.sub { color: var(--ink-2); font-size: 17.5px; max-width: 720px; margin-top: 0; margin-bottom: 30px; }
/* narrower blocks keep the left edge of the 1160px column */
.band > .sub, .band > .faq { margin-left: max(0px, calc((100% - 1160px) / 2)); margin-right: auto; }
.sechead { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; }
.sechead .sub { margin-bottom: 26px; }

/* ---------------------------------------------------------------- tiles */
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 960px) { .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .tiles { grid-template-columns: minmax(0, 1fr); } }
.tile { margin: 0; background: var(--card); border: 1px solid var(--hair); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.tile img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; background: #0b1033; }
.tile figcaption { padding: 16px 18px 20px; color: var(--ink-2); font-size: 15px; }
.tile figcaption b { display: block; color: var(--ink); font-size: 17px; margin-bottom: 4px; }
.tile.wide img { aspect-ratio: 16 / 9; }

/* ---------------------------------------------------------------- plans */
.seg { display: inline-flex; border: 1px solid var(--hair); border-radius: 11px; overflow: hidden; background: var(--card); margin-bottom: 26px; }
.seg button { border: 0; background: transparent; padding: 8px 16px; cursor: pointer; color: var(--ink-2); font-weight: 650; }
.seg button.on { background: var(--brand); color: #fff; }
.seg.methods { display: flex; flex-wrap: wrap; margin: 4px 0 12px; }
.seg.methods button { flex: 1 1 auto; }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
@media (max-width: 900px) { .plans { grid-template-columns: minmax(0, 1fr); max-width: 520px; } }
.plan { position: relative; background: var(--card); border: 1px solid var(--hair); border-radius: 20px; padding: 26px 24px 24px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.plan.featured { border: 2px solid var(--accent); }
.plan .badge { position: absolute; top: -13px; left: 22px; background: var(--accent); color: #fff; font-size: 12.5px; font-weight: 700; padding: 4px 12px; border-radius: 999px; letter-spacing: .02em; }
.plan h3 { margin: 0 0 4px; font-size: 19px; }
.plan .price { font-size: 40px; font-weight: 800; letter-spacing: -.03em; margin: 8px 0 0; line-height: 1.1; font-variant-numeric: tabular-nums; }
.plan .price small { font-size: 16px; font-weight: 600; color: var(--muted); letter-spacing: 0; margin-left: 4px; }
.plan .was { color: var(--muted); text-decoration: line-through; font-size: 16px; margin-top: 2px; min-height: 24px; }
.plan .per { color: var(--muted); font-size: 14px; margin: 2px 0 18px; min-height: 22px; }
.plan .btn { margin-top: auto; width: 100%; }
.checks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px 26px; }
.checks li { position: relative; padding-left: 28px; color: var(--ink-2); }
.checks li::before { content: ""; position: absolute; left: 2px; top: 6px; width: 15px; height: 8px; border-left: 3px solid var(--good); border-bottom: 3px solid var(--good); transform: rotate(-45deg); }
.mini-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 30px; }
@media (max-width: 760px) { .mini-row { grid-template-columns: minmax(0, 1fr); } }
.mini { background: var(--card); border: 1px solid var(--hair); border-radius: 16px; padding: 16px 18px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; min-width: 0; }
.mini span { color: var(--ink-2); font-size: 15px; }
.codeform { display: flex; gap: 8px; width: 100%; margin-top: 4px; }
.codeform input { flex: 1; width: 0; min-width: 0; padding: 8px 12px; border-radius: 9px; border: 1px solid var(--hair); background: var(--page); font-family: ui-monospace, "Cascadia Code", Consolas, monospace; letter-spacing: .08em; text-transform: uppercase; }

/* ---------------------------------------------------------------- packages */
.packages { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 1060px) { .packages { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .packages { grid-template-columns: minmax(0, 1fr); } }
.pkg { background: var(--card); border: 1px solid var(--hair); border-radius: 18px; padding: 22px 20px; display: flex; flex-direction: column; box-shadow: var(--shadow); }
.pkg.pilot { background: linear-gradient(180deg, rgba(34, 211, 238, .10), transparent 60%), var(--card); border-color: rgba(34, 211, 238, .55); }
.pkg h3 { margin: 0; font-size: 18px; }
.pkg .seats { color: var(--muted); font-size: 14px; margin: 2px 0 12px; }
.pkg .price { font-size: 26px; font-weight: 800; letter-spacing: -.02em; margin-bottom: 4px; font-variant-numeric: tabular-nums; }
.pkg .price small { font-size: 14px; color: var(--muted); font-weight: 600; letter-spacing: 0; }
.pkg ul { list-style: none; padding: 0; margin: 10px 0 18px; display: flex; flex-direction: column; gap: 7px; }
.pkg li { position: relative; padding-left: 22px; color: var(--ink-2); font-size: 14.5px; }
.pkg li::before { content: ""; position: absolute; left: 1px; top: 6px; width: 11px; height: 6px; border-left: 2.5px solid var(--good); border-bottom: 2.5px solid var(--good); transform: rotate(-45deg); }
.pkg .btn { margin-top: auto; }
.why { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 34px; }
@media (max-width: 960px) { .why { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .why { grid-template-columns: minmax(0, 1fr); } }
.why div { border-top: 3px solid var(--cyan); padding-top: 12px; }
.why b { display: block; margin-bottom: 4px; }
.why span { color: var(--ink-2); font-size: 15px; }

/* ---------------------------------------------------------------- custom, partners */
.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); } }
.split .checks { grid-template-columns: minmax(0, 1fr); margin: 0 0 26px; }
.duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 760px) { .duo { grid-template-columns: minmax(0, 1fr); } }
.card { background: var(--card); border: 1px solid var(--hair); border-radius: 18px; padding: 24px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 8px; font-size: 20px; }
.card p { color: var(--ink-2); margin: 0 0 18px; }
.card.amb { margin-top: 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; }
.card.amb h3 { margin-bottom: 4px; }
.card.amb p { margin: 0; max-width: 640px; }

/* ---------------------------------------------------------------- faq, footer */
.faq { display: flex; flex-direction: column; gap: 10px; max-width: 860px; }
.faq details { background: var(--card); border: 1px solid var(--hair); border-radius: 14px; padding: 4px 18px; }
.faq summary { cursor: pointer; font-weight: 650; padding: 12px 0; list-style-position: outside; }
.faq p { color: var(--ink-2); margin: 0 0 14px; }
.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 26px clamp(16px, 4vw, 40px); background: var(--brand); color: #b9c3e6; font-size: 14px; }
.foot b { color: #fff; letter-spacing: .12em; }
.foot-brand { display: flex; align-items: center; gap: 12px; }
.logo-img.small { height: 22px; }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot a { color: #d7dcf2; }

/* ---------------------------------------------------------------- request dialog */
dialog { border: 0; padding: 0; border-radius: 20px; width: min(560px, calc(100vw - 20px)); max-height: calc(100vh - 24px); background: var(--card); color: var(--ink); box-shadow: 0 30px 80px rgba(0, 0, 0, .35); }
dialog::backdrop { background: rgba(8, 11, 38, .6); backdrop-filter: blur(2px); }
.dlg-h { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 18px 22px 10px; position: sticky; top: 0; background: var(--card); z-index: 2; }
.dlg-h h2 { margin: 0; font-size: 21px; }
.x { border: 0; background: transparent; font-size: 28px; line-height: 1; cursor: pointer; color: var(--muted); padding: 0 4px; }
.dlg-b { padding: 4px 22px 22px; }
.dlg-b p.intro { color: var(--ink-2); margin: 0 0 14px; font-size: 15px; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 520px) { .fields { grid-template-columns: minmax(0, 1fr); } }
.fields .full { grid-column: 1 / -1; }
.fields label { display: flex; flex-direction: column; gap: 5px; font-size: 13.5px; font-weight: 650; color: var(--ink-2); }
.fields input, .fields select, .fields textarea { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--hair); background: var(--page); color: var(--ink); width: 100%; min-width: 0; }
.fields textarea { min-height: 84px; resize: vertical; }
.fields input:focus, .fields select:focus, .fields textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(42, 120, 214, .18); }
.fields .chk { flex-direction: row; align-items: flex-start; gap: 8px; font-weight: 500; }
.fields .chk input { width: auto; margin-top: 3px; }
.mods { display: flex; flex-wrap: wrap; gap: 8px; }
.mods label { flex-direction: row; align-items: center; gap: 6px; border: 1px solid var(--hair); border-radius: 999px; padding: 6px 12px; font-weight: 550; cursor: pointer; }
.mods input { width: auto; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.paybox { background: var(--alt); border: 1px solid var(--hair); border-radius: 14px; padding: 14px 16px; margin: 0 0 14px; }
.paybox .amt { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.paybox .acc { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 7px 0; border-top: 1px solid var(--hair); font-size: 15px; }
.paybox .acc:first-of-type { border-top: 0; }
.paybox .acc span { color: var(--ink-2); }
.formmsg { margin: 12px 0 0; padding: 10px 12px; border-radius: 10px; font-size: 14.5px; }
.formmsg.err { background: rgba(180, 40, 40, .10); color: var(--bad); }
.done { text-align: left; }
.done .big { font-size: 20px; font-weight: 750; margin: 0 0 8px; }
.done .code { font: 800 28px/1.2 ui-monospace, "Cascadia Code", Consolas, monospace; letter-spacing: .08em; background: var(--alt); border: 1px dashed var(--accent); border-radius: 12px; padding: 12px; text-align: center; margin: 12px 0; }
.done .row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.submit { margin-top: 16px; width: 100%; }
.pnote { margin: 4px 0 10px; color: var(--ink-2); font-size: 15px; }
.pnote.top { margin-top: 14px; }

/* ---------------------------------------------------------------- languages (i18n.js) */
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.langpick select { appearance: none; -webkit-appearance: none; background: rgba(255, 255, 255, .08) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23b9c3e6'/%3E%3C/svg%3E") no-repeat right 10px center;
  color: #fff; border: 1px solid rgba(255, 255, 255, .22); border-radius: 9px; padding: 8px 28px 8px 12px; font: inherit; font-size: 14px; max-width: 170px; cursor: pointer; }
.langpick select:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.langpick option { color: #0b1033; background: #fff; }
[dir="rtl"] .langpick select { background-position: left 10px center; padding: 8px 12px 8px 28px; }
.proof.reach { margin-top: 6px; }
@media (max-width: 560px) { .langpick select { max-width: 120px; padding-right: 22px; } }
/* right-to-left languages: keep numbers, codes and e-mail addresses readable */
[dir="rtl"] .brand { margin-right: 0; margin-left: auto; }
[dir="rtl"] .checks li, [dir="rtl"] .faq p, [dir="rtl"] .sub, [dir="rtl"] .lead { text-align: right; }
[dir="rtl"] .code, [dir="rtl"] input[type="email"], [dir="rtl"] input[type="tel"], [dir="rtl"] #codeIn { direction: ltr; text-align: left; }