/* Owner request 2026-11-09: a light site with a day / night switch, beautiful fonts,
   Persian and Arabic right to left, the Latin languages left to right. Fonts are served by the site. */
@font-face { font-family: "Inter"; src: url("/assets/fonts/Inter-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; src: url("/assets/fonts/Inter-latin-ext.woff2") format("woff2"); font-weight: 100 900; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Vazirmatn"; src: url("/assets/fonts/Vazirmatn-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Vazirmatn"; src: url("/assets/fonts/Vazirmatn-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Vazirmatn"; src: url("/assets/fonts/Vazirmatn-Bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }

:root {
  --bg: #f5f7fb; --bg-alt: #ffffff; --card: #ffffff; --ink: #121a26; --muted: #5a6677; --line: #e1e6ee;
  --accent: #0a6cf0; --accent-ink: #ffffff; --accent-soft: #e6f0ff; --brand: #ffa400; --ok: #1c9b4d;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 12px 32px rgba(16, 24, 40, .08);
  --radius: 18px; --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: light;
}
/* Night mode: chosen with the moon button (remembered); the site always starts light. */
:root[data-theme="dark"] {
  --bg: #0d1117; --bg-alt: #121821; --card: #161e29; --ink: #edf2f8; --muted: #a2adbb; --line: #263140;
  --accent: #4c9dff; --accent-ink: #06121f; --accent-soft: #14273d; --ok: #45c779;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 32px rgba(0, 0, 0, .35);
  color-scheme: dark;
}
.lang-fa, .lang-ar { --font: "Vazirmatn", system-ui, sans-serif; }
.lang-fa body, .lang-ar body { line-height: 1.85; }
body { font-feature-settings: "cv11", "ss01"; }
.theme-btn { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); cursor: pointer; padding: 0; }
.theme-btn:hover { border-color: var(--accent); color: var(--accent); }
.theme-btn .sun { display: none; }
:root[data-theme="dark"] .theme-btn .sun { display: block; }
:root[data-theme="dark"] .theme-btn .moon { display: none; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.65 var(--font); transition: background .2s ease, color .2s ease; }
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -.01em; }
h3 { font-size: 1.12rem; }
.lang-fa h1, .lang-ar h1, .lang-fa h2, .lang-ar h2 { letter-spacing: 0; }
p { margin: 0 0 1em; }
code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .86em; direction: ltr; unicode-bidi: isolate; }
.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 32px); }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.center { text-align: center; }
.skip { position: absolute; inset-inline-start: -999px; top: 8px; background: var(--card); padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { inset-inline-start: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* header */
.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.6) blur(14px); -webkit-backdrop-filter: saturate(1.6) blur(14px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; gap: 18px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; font-size: 1.1rem; }
.brand img { border-radius: 9px; }
.nav { display: flex; gap: 22px; margin-inline-start: auto; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; opacity: .85; }
.nav a:hover { opacity: 1; color: var(--accent); }
.langs { position: relative; }
.langs summary { list-style: none; display: inline-flex; align-items: center; gap: 6px; cursor: pointer; padding: 7px 12px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--card); font-size: .92rem; }
.langs summary::-webkit-details-marker { display: none; }
.langs .menu { position: absolute; inset-inline-end: 0; top: calc(100% + 8px); background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; box-shadow: var(--shadow); padding: 6px; min-width: 170px; display: grid; }
.langs .menu a { padding: 8px 12px; border-radius: 9px; color: var(--ink); text-decoration: none; }
.langs .menu a:hover, .langs .menu a[aria-current] { background: var(--accent-soft); color: var(--accent); }
.ico { width: 20px; height: 20px; flex: none; }
.ico.big { width: 30px; height: 30px; color: var(--accent); }
.menu-btn { display: none; background: none; border: 0; width: 40px; height: 40px; padding: 0; cursor: pointer; color: var(--ink); }
.menu-btn span, .menu-btn span::before, .menu-btn span::after { display: block; width: 20px; height: 2px; background: currentColor;
  border-radius: 2px; margin: auto; position: relative; content: ""; }
.menu-btn span::before { position: absolute; top: -6px; } .menu-btn span::after { position: absolute; top: 6px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 11px 20px; border-radius: 14px;
  font-weight: 600; text-decoration: none; border: 1px solid transparent; transition: transform .12s ease, background .12s ease; }
.btn:active { transform: scale(.98); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--accent); }
.btn.big { padding: 14px 24px; font-size: 1.05rem; }
.btn.small { padding: 8px 14px; font-size: .92rem; border-radius: 12px; }

/* hero */
.hero { padding: clamp(40px, 7vw, 88px) 0 40px; background:
  radial-gradient(900px 420px at 85% -10%, color-mix(in srgb, var(--brand) 22%, transparent), transparent 70%),
  radial-gradient(700px 380px at 0% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
.eyebrow { display: inline-block; font-weight: 600; color: var(--accent); background: var(--accent-soft); padding: 4px 12px; border-radius: 999px; font-size: .9rem; }
.lead { font-size: 1.16rem; color: var(--muted); max-width: 36em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 14px; }
.trial-note { display: flex; align-items: center; gap: 8px; color: var(--ok); font-weight: 600; font-size: .95rem; }
.dl-info { margin: 14px 0 0; font-size: .82rem; color: var(--muted); display: grid; gap: 4px; }
.dl-info div { display: flex; gap: 6px; flex-wrap: wrap; }
.dl-info dt { font-weight: 600; } .dl-info dd { margin: 0; overflow-wrap: anywhere; }
.shot { margin: 0; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); background: var(--card); }
.shot img { display: block; width: 100%; }

/* sections */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section.alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section h2 { text-align: center; }
.sub { text-align: center; color: var(--muted); max-width: 44em; margin: 0 auto 36px; font-size: 1.08rem; }
.grid.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.feature h3 { margin-top: 14px; }
.feature .cicon { filter: drop-shadow(0 2px 4px rgba(16, 24, 40, .12)); }
.feature p { color: var(--muted); margin: 0; }

/* pricing */
.prices { display: grid; grid-template-columns: repeat(2, minmax(0, 300px)); gap: 20px; justify-content: center; }
.price { text-align: center; position: relative; padding-top: 30px; }
.price .amount { font-size: 2.6rem; font-weight: 700; margin: 6px 0 0; direction: ltr; unicode-bidi: isolate; }
.price .per { color: var(--muted); }
.price.best { border: 2px solid var(--accent); }
.badge { position: absolute; top: -13px; inset-inline: 0; margin: auto; width: max-content; background: var(--accent); color: var(--accent-ink);
  font-size: .82rem; font-weight: 700; padding: 3px 12px; border-radius: 999px; }
.includes { list-style: none; padding: 0; margin: 30px auto 12px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px 24px; max-width: 820px; }
.includes li { display: flex; gap: 10px; align-items: flex-start; }
.includes .cicon { margin-top: 2px; flex: none; }
.cicon { display: block; flex: none; }
.trial-note .cicon { display: inline-block; }

/* steps + faq */
.steps { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 18px; }
.steps li { display: flex; gap: 18px; align-items: flex-start; }
.steps .num { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; font-weight: 700; }
.steps p { color: var(--muted); margin: 0; }
.qa { background: var(--card); border: 1px solid var(--line); border-radius: 14px; margin-bottom: 10px; }
.qa summary { cursor: pointer; padding: 16px 20px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--accent); font-weight: 700; }
.qa[open] summary::after { content: "−"; }
.qa > div { padding: 0 20px 16px; color: var(--muted); }
.qa > div p:last-child { margin: 0; }

/* documents (guide, privacy, terms) */
.doc { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 20px 48px; padding: 48px 0 80px; }
.doc-head { grid-column: 1 / -1; }
.toc { position: sticky; top: 84px; align-self: start; font-size: .93rem; }
.toc ol { padding-inline-start: 18px; margin: 0; display: grid; gap: 6px; }
.toc a { color: var(--muted); text-decoration: none; } .toc a:hover { color: var(--accent); }
.doc-body section { margin-bottom: 36px; scroll-margin-top: 84px; }
.doc-body h2 { font-size: 1.45rem; text-align: start; }
.doc-body li { margin-bottom: .4em; }
.doc-body .note { background: var(--accent-soft); border-radius: 12px; padding: 12px 16px; }
.doc-body table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.doc-body th, .doc-body td { border: 1px solid var(--line); padding: 8px 10px; text-align: start; vertical-align: top; }
kbd { font-family: var(--font); background: var(--card); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 0 6px; font-size: .88em; }

/* footer + language picker */
.foot { border-top: 1px solid var(--line); padding: 36px 0; background: var(--bg-alt); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 2fr; gap: 16px 40px; align-items: start; }
.foot nav { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.foot nav a { color: var(--ink); text-decoration: none; } .foot nav a:hover { color: var(--accent); }
.foot .small { grid-column: 1 / -1; margin: 0; }
.pick { min-height: 100vh; display: grid; place-content: center; justify-items: center; gap: 24px; }
.pick nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.pick a { padding: 10px 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); text-decoration: none; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .doc { grid-template-columns: 1fr; }
  .toc { position: static; }
  .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav { display: none; position: absolute; inset-inline: 0; top: 64px; background: var(--card); border-bottom: 1px solid var(--line);
    flex-direction: column; gap: 0; padding: 8px 16px; box-shadow: var(--shadow); }
  .nav.open { display: flex; } .nav a { padding: 12px 0; }
  .menu-btn { display: block; }
  .langs { margin-inline-start: auto; }
  .langs summary span { display: none; }
  .hide-sm { display: none; }
  .prices { grid-template-columns: 1fr; }
  .btn.big { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }