/* yellowguy.ir (apps/landing, docs/DOMAINS.md): one page in Persian (/) and English (/en/).
   The app's own look: Vazirmatn, its yellow, its paper. Logical properties only (RTL and LTR alike). */

@font-face {
  font-family: "Vazirmatn";
  src: url("/fonts/Vazirmatn-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("/fonts/Vazirmatn-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("/fonts/Vazirmatn-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: light dark;
  --background: #FFFFFF;
  --foreground: #37352F;
  --muted: #F7F7F5;
  --muted-foreground: #6F6E69;
  --border: #E9E9E7;
  --primary: #FCCD27;
  --primary-hover: #F5C211;
  --primary-foreground: #191917;
  --paper: #FFFBEA;
  --gutter: 20px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #191919;
    --foreground: #E3E2E0;
    --muted: #202020;
    --muted-foreground: #9B9A97;
    --border: #2F2F2F;
    --primary-hover: #FFD84D;
    --paper: #FFF6D6;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: "Vazirmatn", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
}

img {
  display: block;
  max-inline-size: 100%;
}

a {
  color: inherit;
}

.wrap {
  inline-size: 100%;
  max-inline-size: 1040px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* The bar ------------------------------------------------------------ */

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  text-decoration: none;
}

.brand img {
  inline-size: 36px;
  block-size: 36px;
}

.lang {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted-foreground);
  font-size: 15px;
  text-decoration: none;
}

.lang:hover {
  color: var(--foreground);
  border-color: var(--muted-foreground);
}

/* The mark in the scheme it's drawn for. */
.mark--dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  .mark--light {
    display: none;
  }
  .mark--dark {
    display: block;
  }
}

/* The opening -------------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 32px;
  padding-block: 32px 56px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 700;
  line-height: 1.25;
}

.hero p {
  margin: 0 0 28px;
  max-inline-size: 34em;
  color: var(--muted-foreground);
  font-size: 19px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: 48px;
  padding-inline: 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.15s;
}

.btn--primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.btn--primary:hover {
  background: var(--primary-hover);
}

.btn--ghost {
  border-color: var(--border);
}

.btn--ghost:hover {
  background: var(--muted);
}

.btn:focus-visible,
.lang:focus-visible,
.brand:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.hero__art {
  justify-self: center;
  inline-size: min(360px, 80vw);
  block-size: auto;
  padding: 16px;
  border-radius: 28px;
  background: var(--paper);
}

@media (min-width: 820px) {
  .hero {
    grid-template-columns: 1.2fr 1fr;
    padding-block: 64px 88px;
  }
}

/* What it does ------------------------------------------------------- */

.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-block: 0;
  padding-block: 0 72px;
  list-style: none;
}

@media (min-width: 640px) {
  .features {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 980px) {
  .features {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature {
  padding: 16px 16px 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
}

.feature__art {
  inline-size: 100%;
  block-size: auto;
  margin-block-end: 12px;
  padding: 8px;
  border-radius: 14px;
  background: var(--paper);
}

.feature h2 {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 700;
}

.feature p {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 16px;
}

/* The end ------------------------------------------------------------ */

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-block: 24px 40px;
  border-block-start: 1px solid var(--border);
  color: var(--muted-foreground);
  font-size: 15px;
}

.foot a {
  text-decoration: none;
}

.foot a:hover {
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }
}