@font-face {
  font-family: "Vazirmatn";
  src: url("/assets/Vazirmatn.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: light dark;
  --v-ui-font: "Vazirmatn", "Segoe UI", Tahoma, Arial, sans-serif;
  --v-ui-code-font: ui-monospace, SFMono-Regular, Consolas, monospace;
  --v-ui-bg: #eef6f8;
  --v-ui-surface: #ffffff;
  --v-ui-text: #10262b;
  --v-ui-muted: #557078;
  --v-ui-border: #cfe1e5;
  --v-ui-primary: #0b647e;
  --v-ui-accent: #6d3be7;
  --v-ui-success: #076b4d;
  --v-ui-warning: #945a08;
  --v-ui-danger: #b42318;
  --v-ui-shadow: 0 24px 64px rgba(15, 58, 69, .13);
  --v-ui-space-1: 4px;
  --v-ui-space-2: 8px;
  --v-ui-space-3: 12px;
  --v-ui-space-4: 16px;
  --v-ui-space-6: 24px;
  --v-ui-space-8: 32px;
  --v-ui-space-12: 48px;
  --v-ui-space-16: 64px;
  --v-ui-radius-sm: 8px;
  --v-ui-radius-md: 12px;
  --v-ui-radius-lg: 18px;
  --v-ui-radius-xl: 24px;
  --speed-cyan: #35c2d5;
  --speed-violet: #8d66f3;
  --speed-deep: #092b35;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; font-family: var(--v-ui-font); }
body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 8%, rgba(53, 194, 213, .16), transparent 28rem),
    radial-gradient(circle at 88% 20%, rgba(141, 102, 243, .12), transparent 28rem),
    var(--v-ui-bg);
  color: var(--v-ui-text);
  font-family: var(--v-ui-font);
  line-height: 1.75;
}
button, input, select, textarea { font: inherit; }
button, select, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
bdi, code, pre, kbd, samp { direction: ltr; unicode-bidi: isolate; }
code, pre, kbd, samp { font-family: var(--v-ui-code-font); }
[hidden] { display: none !important; }

:focus-visible {
  outline: 3px solid var(--v-ui-accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--v-ui-space-3);
  inset-inline-start: var(--v-ui-space-3);
  z-index: 100;
  border-radius: var(--v-ui-radius-md);
  background: var(--v-ui-text);
  padding: var(--v-ui-space-3) var(--v-ui-space-4);
  color: var(--v-ui-surface);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.page-shell { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: var(--v-ui-space-4);
}
.brand { display: inline-flex; align-items: center; gap: var(--v-ui-space-3); }
.brand-mark {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  width: 46px;
  height: 46px;
  gap: 3px;
  border-radius: var(--v-ui-radius-lg);
  background: linear-gradient(145deg, var(--v-ui-primary), #0f8299);
  padding-block: 11px;
  box-shadow: 0 10px 28px rgba(11, 100, 126, .22);
}
.brand-mark span { width: 5px; border-radius: 99px; background: #fff; }
.brand-mark span:nth-child(1) { height: 9px; opacity: .72; }
.brand-mark span:nth-child(2) { height: 22px; }
.brand-mark span:nth-child(3) { height: 15px; opacity: .84; }
.brand-copy strong, .brand-copy small { display: block; }
.brand-copy strong { font-size: 17px; font-weight: 850; }
.brand-copy small { margin-block-start: 1px; color: var(--v-ui-muted); font-size: 11px; }
.header-actions { display: flex; align-items: center; gap: var(--v-ui-space-3); }
.ecosystem-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--v-ui-border);
  border-radius: var(--v-ui-radius-md);
  background: color-mix(in srgb, var(--v-ui-surface) 80%, transparent);
  padding-inline: var(--v-ui-space-4);
  color: var(--v-ui-primary);
  font-size: 13px;
  font-weight: 750;
}
.language-control select {
  min-height: 44px;
  border: 1px solid var(--v-ui-border);
  border-radius: var(--v-ui-radius-md);
  background: var(--v-ui-surface);
  padding-inline: var(--v-ui-space-3) 36px;
  color: var(--v-ui-text);
  cursor: pointer;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .86fr);
  align-items: center;
  gap: var(--v-ui-space-16);
  min-height: 660px;
  padding-block: var(--v-ui-space-12) var(--v-ui-space-16);
}
.hero-copy { max-width: 610px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--v-ui-space-2);
  margin: 0 0 var(--v-ui-space-4);
  border: 1px solid color-mix(in srgb, var(--v-ui-primary) 26%, var(--v-ui-border));
  border-radius: 999px;
  background: color-mix(in srgb, var(--v-ui-surface) 78%, transparent);
  padding: 7px 13px;
  color: var(--v-ui-primary);
  font-size: 13px;
  font-weight: 750;
}
.eyebrow > span:first-child {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--speed-cyan);
  box-shadow: 0 0 0 5px rgba(53, 194, 213, .14);
}
.hero h1 {
  max-width: 660px;
  margin: 0;
  font-size: clamp(40px, 5.4vw, 70px);
  font-weight: 900;
  line-height: 1.22;
}
.hero-description {
  max-width: 610px;
  margin: var(--v-ui-space-6) 0 0;
  color: var(--v-ui-muted);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 2;
}
.trust-list { display: flex; flex-wrap: wrap; gap: var(--v-ui-space-3) var(--v-ui-space-6); margin-block-start: var(--v-ui-space-8); }
.trust-list > span { display: inline-flex; align-items: center; gap: 7px; color: var(--v-ui-muted); font-size: 13px; }
.trust-list i {
  display: inline-grid;
  width: 21px;
  height: 21px;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--v-ui-success) 13%, transparent);
  color: var(--v-ui-success);
  font-style: normal;
  font-weight: 900;
}

.test-card {
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--v-ui-border) 84%, transparent);
  border-radius: var(--v-ui-radius-xl);
  background: color-mix(in srgb, var(--v-ui-surface) 93%, transparent);
  padding: var(--v-ui-space-8);
  box-shadow: var(--v-ui-shadow);
  backdrop-filter: blur(18px);
}
.test-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--speed-cyan), var(--speed-violet));
  content: "";
}
.test-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--v-ui-space-4); }
.section-kicker { margin: 0 0 var(--v-ui-space-1); color: var(--v-ui-primary); font-size: 12px; font-weight: 800; }
.test-heading h2 { margin: 0; font-size: 25px; }
.privacy-badge {
  border-radius: 999px;
  background: color-mix(in srgb, var(--v-ui-success) 12%, transparent);
  padding: 6px 10px;
  color: var(--v-ui-success);
  font-size: 11px;
  font-weight: 750;
}
.gauge {
  --gauge-progress: 0deg;
  display: grid;
  width: 208px;
  height: 208px;
  margin: var(--v-ui-space-6) auto var(--v-ui-space-4);
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(from 220deg, var(--speed-cyan) 0deg, var(--speed-violet) var(--gauge-progress), color-mix(in srgb, var(--v-ui-border) 72%, transparent) var(--gauge-progress), color-mix(in srgb, var(--v-ui-border) 72%, transparent) 280deg, transparent 280deg);
  transform: rotate(40deg);
  transition: background .35s ease;
}
.gauge::after {
  position: absolute;
  width: 166px;
  height: 166px;
  border-radius: 50%;
  background: var(--v-ui-surface);
  content: "";
}
.gauge-core { position: relative; z-index: 1; text-align: center; transform: rotate(-40deg); }
.gauge-core strong { display: block; min-width: 130px; font-size: 48px; font-weight: 850; line-height: 1.1; }
.gauge-core small { color: var(--v-ui-muted); font-size: 12px; }
.test-status { min-height: 27px; margin: 0; color: var(--v-ui-muted); text-align: center; }
.progress-track {
  height: 7px;
  overflow: hidden;
  margin-block: var(--v-ui-space-3) var(--v-ui-space-6);
  border-radius: 999px;
  background: color-mix(in srgb, var(--v-ui-border) 70%, transparent);
}
.progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--speed-cyan), var(--speed-violet)); transition: width .35s ease; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--v-ui-space-2); margin: 0; }
.metrics > div { min-width: 0; border: 1px solid var(--v-ui-border); border-radius: var(--v-ui-radius-md); background: color-mix(in srgb, var(--v-ui-bg) 56%, var(--v-ui-surface)); padding: var(--v-ui-space-3) var(--v-ui-space-2); text-align: center; }
.metrics dt { color: var(--v-ui-muted); font-size: 10px; }
.metrics dd { margin: 3px 0 0; font-weight: 800; white-space: nowrap; }
.metrics dd small { color: var(--v-ui-muted); font-size: 9px; font-weight: 500; }
.test-actions { display: grid; grid-template-columns: 1fr auto; gap: var(--v-ui-space-2); margin-block-start: var(--v-ui-space-6); }
.primary-button, .secondary-button {
  min-height: 50px;
  border-radius: var(--v-ui-radius-md);
  padding-inline: var(--v-ui-space-6);
  cursor: pointer;
  font-weight: 800;
}
.primary-button { border: 0; background: linear-gradient(120deg, var(--v-ui-primary), #0b7c88); color: #fff; box-shadow: 0 12px 26px rgba(11, 100, 126, .22); }
.secondary-button { border: 1px solid var(--v-ui-border); background: var(--v-ui-surface); color: var(--v-ui-danger); }
.primary-button:hover:not(:disabled) { filter: brightness(1.06); transform: translateY(-1px); }
.primary-button:disabled, .secondary-button:disabled { cursor: wait; opacity: .58; transform: none; }
.usage-note { margin: var(--v-ui-space-3) 0 0; color: var(--v-ui-muted); font-size: 11px; text-align: center; }

.explanation { padding-block: var(--v-ui-space-16); }
.section-heading { max-width: 720px; }
.section-heading h2, .scope-card h2 { margin: 0; font-size: clamp(28px, 4vw, 43px); line-height: 1.45; }
.explanation-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--v-ui-space-4); margin-block-start: var(--v-ui-space-8); }
.explanation-grid article { border: 1px solid var(--v-ui-border); border-radius: var(--v-ui-radius-lg); background: var(--v-ui-surface); padding: var(--v-ui-space-6); }
.feature-icon { display: grid; width: 44px; height: 44px; place-items: center; border-radius: var(--v-ui-radius-md); background: color-mix(in srgb, var(--v-ui-primary) 10%, transparent); color: var(--v-ui-primary); font-size: 22px; font-weight: 800; }
.explanation-grid h3 { margin: var(--v-ui-space-6) 0 var(--v-ui-space-2); font-size: 20px; }
.explanation-grid p { margin: 0; color: var(--v-ui-muted); font-size: 14px; line-height: 2; }
.scope-card {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  gap: var(--v-ui-space-16);
  margin-block: var(--v-ui-space-8) var(--v-ui-space-16);
  border-radius: var(--v-ui-radius-xl);
  background: var(--speed-deep);
  padding: var(--v-ui-space-12);
  color: #fff;
}
.scope-card .section-kicker { color: #67d8e5; }
.scope-card > p { margin: 0; color: #c3dce2; line-height: 2; }
footer { display: flex; align-items: center; justify-content: space-between; gap: var(--v-ui-space-4); border-top: 1px solid var(--v-ui-border); padding-block: var(--v-ui-space-6) var(--v-ui-space-8); color: var(--v-ui-muted); font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--v-ui-space-4); }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; padding-inline: var(--v-ui-space-2); }
.footer-links a:hover { color: var(--v-ui-primary); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: var(--v-ui-space-12); min-height: 0; }
  .hero-copy { max-width: 760px; }
  .test-card { width: min(100%, 620px); margin-inline: auto; }
  .scope-card { grid-template-columns: 1fr; gap: var(--v-ui-space-6); }
}

@media (max-width: 620px) {
  .page-shell { width: min(100% - 24px, 1180px); }
  .site-header { min-height: 76px; }
  .brand-mark { width: 40px; height: 40px; border-radius: var(--v-ui-radius-md); }
  .brand-copy strong { font-size: 15px; }
  .brand-copy small { font-size: 9px; }
  .ecosystem-link { display: none; }
  .language-control select { max-width: 108px; }
  .hero { padding-block: var(--v-ui-space-8) var(--v-ui-space-12); }
  .hero h1 { font-size: 39px; }
  .trust-list { gap: var(--v-ui-space-2) var(--v-ui-space-4); }
  .test-card { padding: var(--v-ui-space-6) var(--v-ui-space-4); }
  .gauge { width: 190px; height: 190px; }
  .gauge::after { width: 151px; height: 151px; }
  .gauge-core strong { font-size: 43px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics > div { padding-block: var(--v-ui-space-3); }
  .test-actions { grid-template-columns: 1fr; }
  .explanation { padding-block: var(--v-ui-space-12); }
  .explanation-grid { grid-template-columns: 1fr; }
  .scope-card { margin-block-end: var(--v-ui-space-12); padding: var(--v-ui-space-8) var(--v-ui-space-6); }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --v-ui-bg: #07161b;
    --v-ui-surface: #0e252c;
    --v-ui-text: #f2fafb;
    --v-ui-muted: #a8c2c8;
    --v-ui-border: rgba(180, 218, 226, .19);
    --v-ui-primary: #63d0df;
    --v-ui-accent: #b19af7;
    --v-ui-success: #66d5ad;
    --v-ui-warning: #f0b866;
    --v-ui-danger: #ff9d94;
    --v-ui-shadow: 0 24px 64px rgba(0, 0, 0, .32);
    --speed-deep: #061116;
  }
  .primary-button { color: #04161b; }
  .brand-mark { background: linear-gradient(145deg, #16859d, #38bfd0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}