/* =========================================================================
 *  bonuscalcfa.com — Design System
 *  الهام: اصول Material 3 (سطوح تونال، گوشه‌های بزرگ، دکمه‌ی filled/tonal،
 *  چیپ فیلتر، اسلایدر). بدون کپی مستقیم؛ پالت و تایپوگرافی اختصاصی.
 *  شخصیت: ابزار محاسبه — اعداد بزرگ، ورودی‌های لمسی، بازخورد فوری.
 * ========================================================================= */

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

:root {
  /* سطوح تونال */
  --surface: #fdf7ff;
  --surface-1: #f7f0fb;
  --surface-2: #f1e9f7;
  --surface-3: #ebe2f3;
  --surface-hi: #ffffff;

  --primary: #5b3fbd;
  --primary-hi: #6d4fd6;
  --on-primary: #ffffff;
  --primary-container: #e7ddff;
  --on-primary-container: #230d6b;

  --secondary: #006874;
  --secondary-container: #cdedf3;
  --on-secondary-container: #00363d;

  --tertiary: #7d5260;
  --tertiary-container: #ffd8e4;

  --on-surface: #1c1a22;
  --on-surface-var: #4a4457;
  --outline: #7c7589;
  /* متن ثانویه: نسخه‌ی تیره‌تر outline که روی هر پنج سطح ≥۴.۵:۱ کنتراست دارد (T4) */
  --outline-text: #696274;
  --outline-var: #ddd3e8;

  --error: #ba1a1a;
  --error-container: #ffdad6;
  --success: #2b6a3f;
  --success-container: #d5ecd9;
  --warn: #7a5900;
  --warn-container: #ffdf9a;

  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 28px;
  --r-full: 999px;

  --e1: 0 1px 2px rgba(28,26,34,.06), 0 1px 3px 1px rgba(28,26,34,.05);
  --e2: 0 1px 2px rgba(28,26,34,.06), 0 2px 6px 2px rgba(28,26,34,.07);
  --e3: 0 4px 8px 3px rgba(28,26,34,.07), 0 1px 3px rgba(28,26,34,.09);

  --wrap: 1160px;
  --step: clamp(44px, 6vw, 84px);
  --ease: cubic-bezier(.2,0,0,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation-duration:.01ms !important; transition-duration:.01ms !important; } }
body {
  margin: 0; background: var(--surface); color: var(--on-surface);
  font-family: 'Vazirmatn', system-ui, Tahoma, sans-serif;
  font-size: 16px; line-height: 1.78; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
/* عنصر مخفی همیشه مخفی بماند — جلوگیری از غلبه‌ی display دکمه‌ها بر [hidden] */
[hidden] { display: none !important; }

img, svg { max-inline-size: 100%; block-size: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1,h2,h3,h4 { margin: 0 0 .5em; line-height: 1.25; font-weight: 700; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
table { border-collapse: collapse; inline-size: 100%; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--primary-container); color: var(--on-primary-container); }

.sr-only { position: absolute; inline-size: 1px; block-size: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; inset-block-start: -60px; inset-inline-start: 16px; z-index: 300; background: var(--primary); color: var(--on-primary); padding: 10px 18px; border-radius: var(--r-sm); }
.skip-link:focus { inset-block-start: 12px; }

.wrap { inline-size: min(100% - 36px, var(--wrap)); margin-inline: auto; }
.narrow { inline-size: min(100% - 36px, 760px); margin-inline: auto; }
@media (max-width: 560px) { .wrap, .narrow { inline-size: min(100% - 26px, var(--wrap)); } }

.sec { padding-block: var(--step); }
.sec-sm { padding-block: clamp(28px, 4vw, 48px); }
.tonal { background: var(--surface-1); }
.tonal-2 { background: var(--surface-2); }
.muted { color: var(--on-surface-var); }

/* ---------------------------------------------------------------- هدر */
.topbar { position: sticky; inset-block-start: 0; z-index: 110; background: var(--surface); border-block-end: 1px solid var(--outline-var); }
.topbar-in { display: flex; align-items: center; gap: 14px; block-size: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-badge {
  inline-size: 36px; block-size: 36px; border-radius: var(--r-sm); display: grid; place-items: center;
  background: var(--primary); color: var(--on-primary); font-weight: 800; font-size: 15px;
}
.logo-text b { display: block; font-size: 16.5px; font-weight: 800; line-height: 1.15; }
.logo-text span { display: block; font-size: 9.5px; letter-spacing: .2em; color: var(--outline-text); font-weight: 700; }
.topnav { display: flex; gap: 2px; margin-inline-start: auto; }
.topnav a {
  padding: 9px 15px; border-radius: var(--r-full); font-size: 14.5px; font-weight: 600; color: var(--on-surface-var);
  transition: background .16s var(--ease), color .16s var(--ease);
}
.topnav a:hover { background: var(--surface-2); }
.topnav a.on { background: var(--secondary-container); color: var(--on-secondary-container); }
.topbar-tools { display: flex; gap: 6px; align-items: center; }
.icon {
  inline-size: 40px; block-size: 40px; border-radius: var(--r-full); display: inline-grid; place-items: center;
  border: 0; background: transparent; cursor: pointer; color: var(--on-surface-var);
}
.icon:hover { background: var(--surface-2); }
.menu-btn { display: none; }
.sheetnav { display: none; background: var(--surface-1); border-block-end: 1px solid var(--outline-var); padding: 10px 0 18px; }
.sheetnav[hidden] { display: none; }
.sheetnav a { display: block; padding: 12px 18px; border-radius: var(--r-full); font-weight: 600; margin-inline: 12px; }
.sheetnav a:hover { background: var(--surface-2); }
@media (max-width: 980px) {
  .topnav { display: none; }
  .menu-btn { display: inline-grid; }
  .sheetnav { display: block; }
  .topbar-tools { margin-inline-start: auto; }
}

/* ------------------------------------------------------------- دکمه‌ها */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border: 0; border-radius: var(--r-full);
  background: var(--primary); color: var(--on-primary);
  font-weight: 700; font-size: 15px; cursor: pointer;
  transition: box-shadow .18s var(--ease), background .18s var(--ease), transform .12s var(--ease);
}
.btn:hover { background: var(--primary-hi); box-shadow: var(--e1); }
.btn:active { transform: scale(.98); }
.btn-tonal { background: var(--primary-container); color: var(--on-primary-container); }
.btn-tonal:hover { background: #dccfff; }
.btn-outline { background: transparent; color: var(--primary); box-shadow: inset 0 0 0 1px var(--outline); }
.btn-outline:hover { background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--primary); }
.btn-text { background: transparent; color: var(--primary); padding-inline: 12px; }
.btn-text:hover { background: var(--surface-2); box-shadow: none; }
.btn-sm { padding: 8px 16px; font-size: 13.5px; }
.btn-lg { padding: 15px 30px; font-size: 16.5px; }
.btn[aria-disabled='true'] { opacity: .4; pointer-events: none; }

/* --------------------------------------------------------------- هیرو */
.hero { padding-block: clamp(28px, 4vw, 52px) 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 7px; padding: 6px 14px; border-radius: var(--r-full);
  background: var(--secondary-container); color: var(--on-secondary-container);
  font-size: 12.5px; font-weight: 700; margin-block-end: 16px;
}
.hero h1 { font-size: clamp(30px, 4.8vw, 52px); font-weight: 800; letter-spacing: -.03em; max-inline-size: 16ch; }
.hero-lead { font-size: clamp(15.5px, 1.7vw, 18.5px); color: var(--on-surface-var); max-inline-size: 62ch; line-height: 1.85; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 34px; align-items: start; }
@media (max-width: 940px) { .hero-grid { grid-template-columns: 1fr; gap: 26px; } }

/* ---------------------------------------------------------- ماشین‌حساب */
.calc-card {
  background: var(--surface-hi); border-radius: var(--r-xl); box-shadow: var(--e2);
  padding: 24px; border: 1px solid var(--outline-var);
}
.calc-card h2 { font-size: 18px; margin-block-end: 3px; }
.calc-sub { font-size: 13.5px; color: var(--on-surface-var); margin-block-end: 20px; }

.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 520px) { .fields { grid-template-columns: 1fr; } }
.field-full { grid-column: 1 / -1; }

.tf { position: relative; }
.tf label { display: block; font-size: 12.5px; font-weight: 700; color: var(--on-surface-var); margin-block-end: 6px; }
.tf input {
  inline-size: 100%; padding: 13px 15px; border-radius: var(--r-sm);
  border: 1px solid var(--outline); background: var(--surface-hi);
  font-size: 17px; font-weight: 700; font-variant-numeric: tabular-nums;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease);
}
.tf input:focus { outline: 0; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-container); }
.tf input[aria-invalid='true'] { border-color: var(--error); }
.tf .hint { margin: 6px 0 0; font-size: 11.5px; color: var(--outline-text); }
.tf .suffix { position: absolute; inset-inline-end: 14px; inset-block-start: 39px; font-size: 12px; color: var(--outline-text); pointer-events: none; }

/* اسلایدر */
.slider-row { display: flex; align-items: center; gap: 14px; margin-block-start: 10px; }
input[type='range'] {
  flex: 1 1 auto; -webkit-appearance: none; appearance: none; background: transparent;
  block-size: 22px; cursor: pointer;
}
input[type='range']::-webkit-slider-runnable-track { block-size: 6px; border-radius: var(--r-full); background: var(--surface-3); }
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none; inline-size: 20px; block-size: 20px; border-radius: 50%;
  background: var(--primary); margin-block-start: -7px; border: 3px solid var(--surface-hi); box-shadow: var(--e1);
}
input[type='range']::-moz-range-track { block-size: 6px; border-radius: var(--r-full); background: var(--surface-3); }
input[type='range']::-moz-range-thumb { inline-size: 16px; block-size: 16px; border-radius: 50%; background: var(--primary); border: 3px solid var(--surface-hi); }
input[type='range']:focus-visible { outline: 3px solid var(--primary); outline-offset: 4px; }
.slider-val { min-inline-size: 74px; text-align: center; font-weight: 800; font-variant-numeric: tabular-nums; background: var(--surface-2); border-radius: var(--r-xs); padding: 4px 8px; font-size: 14px; }

/* سگمنت */
.segmented { display: inline-flex; border: 1px solid var(--outline); border-radius: var(--r-full); overflow: hidden; }
.segmented label { position: relative; }
.segmented input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.segmented span {
  display: inline-block; padding: 9px 18px; font-size: 13.5px; font-weight: 600; cursor: pointer;
  border-inline-end: 1px solid var(--outline); transition: background .16s var(--ease);
}
.segmented label:last-child span { border-inline-end: 0; }
.segmented input:checked + span { background: var(--secondary-container); color: var(--on-secondary-container); font-weight: 700; }
.segmented input:focus-visible + span { outline: 3px solid var(--primary); outline-offset: -3px; }

/* خروجی */
.results { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-block-start: 22px; }
@media (max-width: 520px) { .results { grid-template-columns: 1fr; } }
.res {
  background: var(--surface-1); border-radius: var(--r-md); padding: 16px 18px;
}
.res.hero-res { background: var(--primary-container); color: var(--on-primary-container); grid-column: 1 / -1; }
.res dt { font-size: 12px; color: var(--on-surface-var); margin-block-end: 4px; }
.res.hero-res dt { color: var(--on-primary-container); opacity: .8; }
.res dd { margin: 0; font-size: 22px; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.res.hero-res dd { font-size: clamp(28px, 4.5vw, 38px); }
.calc-msg {
  margin-block-start: 14px; padding: 13px 16px; border-radius: var(--r-sm); font-size: 13.5px; line-height: 1.7;
  background: var(--warn-container); color: var(--warn);
}
.calc-msg:empty { display: none; }
.formula-chip {
  display: inline-block; margin-block-start: 14px; padding: 8px 14px; border-radius: var(--r-xs);
  background: var(--surface-2); font-size: 13px; color: var(--on-surface-var); font-weight: 600;
}

/* پیش‌تنظیم‌ها */
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-block-start: 16px; }
.preset {
  padding: 8px 14px; border-radius: var(--r-full); border: 1px solid var(--outline-var);
  background: var(--surface-hi); font-size: 13px; font-weight: 600; cursor: pointer;
  transition: background .16s var(--ease), border-color .16s var(--ease);
}
.preset:hover { background: var(--surface-2); border-color: var(--outline); }
.preset.on { background: var(--primary-container); border-color: transparent; color: var(--on-primary-container); }

/* --------------------------------------------------------- سرتیتر بخش */
.sec-head { margin-block-end: 26px; display: flex; align-items: flex-end; justify-content: space-between; gap: 22px; }
.sec-head h2 { font-size: clamp(22px, 3vw, 32px); letter-spacing: -.02em; margin: 0; }
.sec-head p { margin: 8px 0 0; color: var(--on-surface-var); font-size: 15.5px; max-inline-size: 60ch; }
.sec-head a { flex: 0 0 auto; font-weight: 700; font-size: 14px; color: var(--primary); }
@media (max-width: 640px) { .sec-head { flex-direction: column; align-items: flex-start; gap: 10px; } }

/* --------------------------------------------------------------- کارت */
.cards { display: grid; gap: 16px; }
.c2 { grid-template-columns: repeat(2, 1fr); }
.c3 { grid-template-columns: repeat(3, 1fr); }
.c4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .c3, .c4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .c2, .c3, .c4 { grid-template-columns: 1fr; } }
.card { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.card h3 { font-size: 17px; margin: 0; }
.card p { margin: 0; font-size: 14.5px; color: var(--on-surface-var); line-height: 1.75; }
a.card { transition: box-shadow .2s var(--ease), transform .2s var(--ease); }
a.card:hover { box-shadow: var(--e2); transform: translateY(-2px); }
.card-foot { margin-block-start: auto; padding-block-start: 12px; font-size: 13px; font-weight: 700; color: var(--primary); }
.card-icon { inline-size: 42px; block-size: 42px; border-radius: var(--r-sm); display: grid; place-items: center; background: var(--secondary-container); color: var(--on-secondary-container); margin-block-end: 6px; font-weight: 800; }

/* ---------------------------------------------------------------- چیپ */
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 13px; border-radius: var(--r-xs);
  background: var(--surface-2); font-size: 12.5px; font-weight: 600; color: var(--on-surface-var);
}
a.chip:hover { background: var(--secondary-container); color: var(--on-secondary-container); }
.chip.ok { background: var(--success-container); color: var(--success); }
.chip.warn { background: var(--warn-container); color: var(--warn); }
.chip.err { background: var(--error-container); color: var(--error); }
.chip.pri { background: var(--primary-container); color: var(--on-primary-container); }

/* -------------------------------------------------------------- جدول */
.tbl-wrap { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--outline-var); background: var(--surface-hi); -webkit-overflow-scrolling: touch; }
.tbl { font-size: 14px; }
.tbl thead th { background: var(--surface-2); text-align: start; font-size: 12.5px; font-weight: 700; color: var(--on-surface-var); padding: 13px 14px; white-space: nowrap; }
.tbl td, .tbl tbody th { padding: 13px 14px; border-block-start: 1px solid var(--outline-var); vertical-align: middle; text-align: start; }
.tbl tbody th { font-weight: 700; }
.tbl tbody tr[hidden] { display: none; }
.tbl .num { font-variant-numeric: tabular-nums; font-weight: 700; }
.tbl .best { background: var(--success-container); }
.tbl .no { color: var(--outline-text); }
.tbl-note { margin: 14px 0 0; font-size: 13px; color: var(--on-surface-var); }

@media (max-width: 900px) {
  .tbl-wrap { border: 0; background: transparent; overflow: visible; }
  .tbl, .tbl tbody { display: block; inline-size: 100%; min-inline-size: 0; }
  .tbl thead { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .tbl tbody tr {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; background: var(--surface-hi);
    border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: 15px; margin-block-end: 12px;
  }
  .tbl tbody th, .tbl td { border: 0; padding: 6px 0; display: flex; flex-direction: column; gap: 2px; }
  .tbl tbody th::before, .tbl td::before { content: attr(data-l); font-size: 11px; color: var(--outline-text); font-weight: 700; }
  .tbl tbody th { grid-column: 1 / -1; font-size: 16px; border-block-end: 1px solid var(--outline-var); padding-block-end: 10px; margin-block-end: 4px; }
  .tbl tbody th::before { display: none; }
  .tbl td[data-l=''] { grid-column: 1 / -1; padding-block-start: 12px; border-block-start: 1px solid var(--outline-var); margin-block-start: 6px; }
  .tbl td[data-l='']::before { display: none; }
  .tbl td[data-l=''] .btn { inline-size: 100%; }
}

/* ------------------------------------------------------------- فیلتر */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-block-end: 18px; }
.fchip { position: relative; }
.fchip input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.fchip span {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 15px; border-radius: var(--r-xs);
  border: 1px solid var(--outline); font-size: 13.5px; font-weight: 600; cursor: pointer;
  transition: background .16s var(--ease);
}
.fchip input:checked + span { background: var(--secondary-container); border-color: transparent; color: var(--on-secondary-container); }
.fchip input:checked + span::before { content: '✓'; font-weight: 800; }
.fchip input:focus-visible + span { outline: 3px solid var(--primary); outline-offset: 2px; }

/* ------------------------------------------------------------- جستجو */
.search { position: relative; display: flex; align-items: center; }
.search svg { position: absolute; inset-inline-start: 16px; color: var(--outline-text); pointer-events: none; }
.search input {
  inline-size: 100%; padding: 14px 46px; border-radius: var(--r-full); border: 0;
  background: var(--surface-2); font-size: 15px;
}
.search input:focus { outline: 0; box-shadow: 0 0 0 2px var(--primary); }
.search input::-webkit-search-cancel-button { display: none; }
.search button { position: absolute; inset-inline-end: 12px; inline-size: 26px; block-size: 26px; border: 0; background: var(--surface-3); border-radius: 50%; cursor: pointer; font-size: 16px; line-height: 1; }

/* --------------------------------------------------------------- FAQ */
.faq { display: flex; flex-direction: column; gap: 8px; }
.faq details { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-md); }
.faq details[open] { background: var(--surface-1); }
.faq summary { padding: 16px 20px; cursor: pointer; font-weight: 700; font-size: 15.5px; list-style: none; display: flex; justify-content: space-between; gap: 14px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '＋'; color: var(--primary); font-size: 17px; }
.faq details[open] summary::after { content: '－'; }
.faq .a { padding: 0 20px 18px; }
.faq .a p { margin: 0; font-size: 15px; color: var(--on-surface-var); line-height: 1.85; }

/* --------------------------------------------------------------- متن */
.prose { max-inline-size: 68ch; }
.prose p { font-size: 16.5px; line-height: 1.92; color: var(--on-surface-var); }
.prose strong { color: var(--on-surface); }
.prose a { color: var(--primary); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

.note {
  display: flex; gap: 11px; align-items: flex-start; background: var(--secondary-container);
  color: var(--on-secondary-container); padding: 15px 18px; border-radius: var(--r-md); margin-block: 20px 0;
}
.note p { margin: 0; font-size: 14px; line-height: 1.75; }

.steps { counter-reset: s; display: flex; flex-direction: column; gap: 12px; max-inline-size: 68ch; }
.steps li { counter-increment: s; position: relative; padding-inline-start: 42px; font-size: 15.5px; color: var(--on-surface-var); line-height: 1.8; }
.steps li::before {
  content: counter(s); position: absolute; inset-inline-start: 0; inset-block-start: 2px;
  inline-size: 28px; block-size: 28px; display: grid; place-items: center; border-radius: 50%;
  background: var(--primary-container); color: var(--on-primary-container); font-weight: 800; font-size: 13px;
}

.pm { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .pm { grid-template-columns: 1fr; } }
.pm > div { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: 20px; }
.pm h3 { font-size: 15px; margin-block-end: 12px; }
.pm ul { display: flex; flex-direction: column; gap: 9px; }
.pm li { position: relative; padding-inline-start: 24px; font-size: 14.5px; color: var(--on-surface-var); line-height: 1.7; }
.pm li::before { position: absolute; inset-inline-start: 0; inset-block-start: 1px; inline-size: 17px; block-size: 17px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 800; }
.good li::before { content: '+'; background: var(--success-container); color: var(--success); }
.bad li::before { content: '−'; background: var(--error-container); color: var(--error); }

/* ------------------------------------------------------------- آمار */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stats li { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: 18px; text-align: center; }
.stats b { display: block; font-size: clamp(23px, 3vw, 31px); font-weight: 800; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.stats span { font-size: 12.5px; color: var(--on-surface-var); }

/* ------------------------------------------------------------- برند */
.brand-plate { display: inline-grid; place-items: center; padding: 9px 12px; border-radius: var(--r-sm); border: 1px solid var(--outline-var); flex: 0 0 auto; }
.brand-plate.tile-dark { background: #14121a; }
.brand-plate.tile-light { background: #fff; }
.brand-plate { max-inline-size: 100%; }
.brand-plate img { display: block; max-block-size: 28px; inline-size: auto; max-inline-size: 144px; object-fit: contain; }

.rating { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 13px; }
.rating .st { display: inline-flex; gap: 1px; color: #d6cfe0; }
.rating .st .on { color: var(--tertiary); }
.rating b { font-weight: 800; }
.rating small { color: var(--on-surface-var); font-size: 11.5px; }

.site-card { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.site-card-top { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.site-card h3 { font-size: 17px; margin: 0 0 3px; }
.site-card .amount { margin-inline-start: auto; text-align: center; }
.site-card .amount b { display: block; font-size: 19px; font-weight: 800; letter-spacing: -.02em; }
.site-card .amount span { font-size: 10.5px; color: var(--outline-text); }
.site-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.site-actions { display: flex; gap: 8px; margin-block-start: auto; }
.site-actions .btn { flex: 1 1 auto; }

/* ------------------------------------------------------------ سایت */
.brand-head { background: var(--surface-1); border-block-end: 1px solid var(--outline-var); padding-block: 30px; }
.brand-head-in { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.brand-head .brand-plate { padding: 14px 18px; }
.brand-head .brand-plate img { max-block-size: 42px; max-inline-size: 200px; }
.brand-head h1 { font-size: clamp(26px, 4vw, 40px); letter-spacing: -.03em; margin-block-end: 6px; }
.brand-head .line { color: var(--primary); font-weight: 700; margin: 0; font-size: 15.5px; }
.brand-head-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-block-start: 12px; }

.spec { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 860px) { .spec { grid-template-columns: repeat(2, 1fr); } }
.spec > div { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-md); padding: 15px 16px; }
.spec dt { font-size: 11.5px; color: var(--outline-text); margin-block-end: 4px; }
.spec dd { margin: 0; font-size: 15.5px; font-weight: 800; }

.offer { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: 20px; scroll-margin-block-start: 80px; }
.offer + .offer { margin-block-start: 12px; }
.offer.dead { opacity: .6; }
.offer-top { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-block-end: 15px; }
.offer-top h3 { font-size: 17px; margin: 0; }
.offer-top .chip { margin-inline-start: auto; }
.offer-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; }
@media (max-width: 780px) { .offer-facts { grid-template-columns: repeat(2, 1fr); } }
.offer-facts dt { font-size: 11.5px; color: var(--outline-text); }
.offer-facts dd { margin: 2px 0 0; font-size: 15px; font-weight: 800; }
.offer-calc { margin-block-start: 16px; padding-block-start: 16px; border-block-start: 1px solid var(--outline-var); display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.offer-calc .chip { background: var(--primary-container); color: var(--on-primary-container); }

.two { display: grid; grid-template-columns: 1fr 300px; gap: 30px; align-items: start; }
@media (max-width: 980px) { .two { grid-template-columns: 1fr; } }
.rail { position: sticky; inset-block-start: 80px; background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: 20px; }
@media (max-width: 980px) { .rail { position: static; } }
.rail h2 { font-size: 15px; margin-block-end: 10px; }
.rail nav { display: flex; flex-direction: column; gap: 2px; }
.rail nav a { padding: 8px 12px; border-radius: var(--r-xs); font-size: 14px; }
.rail nav a:hover { background: var(--surface-2); }

/* ------------------------------------------------------------ نظرها */
.rev-summary { display: grid; grid-template-columns: 180px 1fr; gap: 26px; align-items: center; background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: 22px; }
@media (max-width: 620px) { .rev-summary { grid-template-columns: 1fr; gap: 18px; } }
.rev-avg { text-align: center; }
.rev-avg b { display: block; font-size: 44px; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.rev-avg small { font-size: 12.5px; color: var(--on-surface-var); }
.rev-dist { display: flex; flex-direction: column; gap: 7px; }
.rev-dist li { display: grid; grid-template-columns: 16px 1fr 40px; gap: 10px; align-items: center; font-size: 12.5px; }
.rev-dist .bar { block-size: 6px; background: var(--surface-2); border-radius: var(--r-full); }
.rev-dist .bar span { display: block; block-size: 100%; background: var(--tertiary); border-radius: var(--r-full); }
.rev-dist .pc { text-align: end; color: var(--on-surface-var); }

.revs { display: grid; gap: 12px; margin-block-start: 18px; }
.rev { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: 18px 20px; }
.rev header { display: flex; align-items: center; gap: 11px; margin-block-end: 9px; }
.rev .av { inline-size: 34px; block-size: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--tertiary-container); color: var(--tertiary); font-weight: 800; font-size: 14px; flex: 0 0 auto; }
.rev .nm { font-weight: 700; font-size: 14px; }
.rev time, .rev .src { display: block; font-size: 11.5px; color: var(--outline-text); }
.rev .rating { margin-inline-start: auto; }
.rev p { margin: 0 0 10px; font-size: 14.5px; color: var(--on-surface-var); line-height: 1.8; }
.helpful { display: inline-flex; align-items: center; gap: 6px; padding: 6px 13px; border-radius: var(--r-full); border: 1px solid var(--outline-var); background: transparent; font-size: 12.5px; cursor: pointer; color: var(--on-surface-var); }
.helpful:hover { border-color: var(--primary); color: var(--primary); }
.helpful.done { background: var(--primary-container); border-color: transparent; color: var(--on-primary-container); pointer-events: none; }
.seed { font-size: 12.5px; color: var(--on-surface-var); background: var(--surface-2); padding: 12px 15px; border-radius: var(--r-sm); margin-block-start: 16px; }

/* ---------------------------------------------------------- انتخابگر */
.picker { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: end; }
@media (max-width: 700px) { .picker { grid-template-columns: 1fr; } .picker .vs { justify-self: center; } }
.picker label { display: block; font-size: 12.5px; font-weight: 700; color: var(--on-surface-var); margin-block-end: 6px; }
.picker select { inline-size: 100%; padding: 13px 15px; border-radius: var(--r-sm); border: 1px solid var(--outline); background: var(--surface-hi); font-size: 15px; cursor: pointer; }
.picker select:focus { outline: 0; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-container); }
.picker .vs { font-weight: 800; color: var(--outline-text); padding-block-end: 13px; }
.pairs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (max-width: 860px) { .pairs { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .pairs { grid-template-columns: 1fr; } }
.pairs a { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-md); padding: 13px 16px; font-size: 14px; font-weight: 600; display: flex; justify-content: space-between; gap: 10px; }
.pairs a:hover { background: var(--secondary-container); color: var(--on-secondary-container); }

/* ------------------------------------------------------------ تقویم */
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
@media (max-width: 1040px) { .week { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 740px) { .week { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .week { grid-template-columns: 1fr; } }
.day { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-md); padding: 14px; }
.day.gold { background: var(--warn-container); border-color: transparent; }
.day h3 { font-size: 14.5px; margin: 0 0 2px; }
.day .n { display: block; font-size: 11.5px; color: var(--outline-text); margin-block-end: 10px; }
.day ul { display: flex; flex-direction: column; gap: 5px; }
.day a { display: flex; justify-content: space-between; gap: 8px; padding: 7px 9px; border-radius: var(--r-xs); background: var(--surface-1); font-size: 12.5px; }
.day.gold a { background: rgba(255,255,255,.55); }
.day a:hover { background: var(--primary-container); }
.day a b { font-weight: 800; }

/* -------------------------------------------------------------- مقاله */
.article { max-inline-size: 700px; margin-inline: auto; }
.article h1 { font-size: clamp(27px, 4.2vw, 42px); letter-spacing: -.03em; }
.article .meta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; font-size: 13px; color: var(--on-surface-var); margin-block: 14px 28px; }
.article h2 { font-size: clamp(19px, 2.5vw, 26px); margin-block: 38px 12px; letter-spacing: -.02em; }
.article p { font-size: 17px; line-height: 1.95; color: var(--on-surface-var); }
.article ul, .article ol { display: flex; flex-direction: column; gap: 10px; margin-block: 16px 22px; }
.article ul li { position: relative; padding-inline-start: 22px; font-size: 16.5px; line-height: 1.85; color: var(--on-surface-var); }
.article ul li::before { content: ''; position: absolute; inset-inline-start: 4px; inset-block-start: 13px; inline-size: 7px; block-size: 7px; border-radius: 50%; background: var(--primary); }
.article ol { counter-reset: n; }
.article ol li { counter-increment: n; position: relative; padding-inline-start: 34px; font-size: 16.5px; line-height: 1.85; color: var(--on-surface-var); }
.article ol li::before { content: counter(n); position: absolute; inset-inline-start: 0; inset-block-start: 3px; inline-size: 24px; block-size: 24px; display: grid; place-items: center; border-radius: 50%; background: var(--primary-container); color: var(--on-primary-container); font-size: 12px; font-weight: 800; }
.article a { color: var(--primary); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.callout { background: var(--surface-2); border-inline-start: 4px solid var(--primary); border-radius: var(--r-sm); padding: 15px 18px; margin-block: 20px; font-size: 15.5px; font-weight: 600; }
.golink { display: inline-flex; align-items: center; gap: 7px; font-weight: 700; color: var(--primary); margin-block: 4px 18px; }

.post { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-lg); padding: 20px; display: flex; flex-direction: column; gap: 6px; }
.post .tg { font-size: 11px; font-weight: 800; letter-spacing: .1em; color: var(--primary); margin: 0; }
.post h3 { font-size: 16.5px; margin: 0; line-height: 1.42; }
.post p { margin: 0; font-size: 14px; color: var(--on-surface-var); }
.post .when { margin-block-start: auto; padding-block-start: 10px; font-size: 12px; color: var(--outline-text); }

/* ---------------------------------------------------------------- فرم */
.fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .fgrid { grid-template-columns: 1fr; } }
.fspan { grid-column: 1 / -1; }
.fld label { display: block; font-size: 13px; font-weight: 700; margin-block-end: 6px; }
.fld input, .fld textarea, .fld select { inline-size: 100%; padding: 13px 15px; border-radius: var(--r-sm); border: 1px solid var(--outline); background: var(--surface-hi); font-size: 15px; }
.fld textarea { min-block-size: 150px; resize: vertical; line-height: 1.8; }
.fld input:focus, .fld textarea:focus, .fld select:focus { outline: 0; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-container); }
.fld [aria-invalid='true'] { border-color: var(--error); }
.ferr { display: none; margin: 5px 0 0; font-size: 12.5px; color: var(--error); }
.ferr.on { display: block; }
.fstat { margin-block-start: 14px; padding: 13px 16px; border-radius: var(--r-sm); font-size: 14.5px; background: var(--success-container); color: var(--success); }
.fstat[hidden] { display: none; }

/* -------------------------------------------------------------- مسیر */
.crumbs { padding-block: 14px 0; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px; font-size: 12.5px; color: var(--on-surface-var); }
.crumbs li + li::before { content: '›'; margin-inline-end: 6px; color: var(--outline-text); }
.crumbs a:hover { color: var(--primary); }

/* -------------------------------------------------------------- فوتر */
.foot { margin-block-start: var(--step); background: var(--surface-1); border-block-start: 1px solid var(--outline-var); padding-block: 44px 22px; }
.foot-top { display: grid; grid-template-columns: 300px 1fr; gap: 40px; padding-block-end: 30px; border-block-end: 1px solid var(--outline-var); }
@media (max-width: 900px) { .foot-top { grid-template-columns: 1fr; gap: 28px; } }
.foot-note { font-size: 13.5px; color: var(--on-surface-var); line-height: 1.8; margin-block: 12px 10px; }
.foot-disc { font-size: 12px; color: var(--outline-text); line-height: 1.7; }
.foot-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 760px) { .foot-cols { grid-template-columns: repeat(2, 1fr); } }
.foot-cols h2 { font-size: 12px; letter-spacing: .1em; color: var(--outline-text); font-weight: 800; margin-block-end: 11px; }
.foot-cols ul { display: flex; flex-direction: column; gap: 7px; }
.foot-cols a { font-size: 13.5px; color: var(--on-surface-var); }
.foot-cols a:hover { color: var(--primary); }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block-start: 18px; font-size: 12px; color: var(--outline-text); }
.foot-bottom p { margin: 0; }
.age { display: inline-flex; align-items: center; gap: 7px; }
.age b { border-radius: var(--r-full); background: var(--surface-2); padding: 3px 9px; color: var(--on-surface-var); font-size: 11px; }

/* --------------------------------------------------------------- ۴۰۴ */
.nf { text-align: center; padding-block: clamp(50px, 9vw, 110px); }
.nf .big { font-size: clamp(56px, 12vw, 124px); font-weight: 800; letter-spacing: -.05em; color: var(--surface-3); line-height: 1; }
.nf .search { max-inline-size: 440px; margin: 22px auto 26px; }
.nf-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

/* -------------------------------------------------------- نتایج جستجو */
.results-list { display: grid; gap: 10px; margin-block-start: 20px; }
.ritem { background: var(--surface-hi); border: 1px solid var(--outline-var); border-radius: var(--r-md); padding: 16px 18px; }
.ritem h2 { font-size: 15.5px; margin: 0 0 3px; }
.ritem h2 a:hover { color: var(--primary); }
.ritem p { margin: 0; font-size: 13px; color: var(--on-surface-var); }
.no-res { padding: 36px 20px; text-align: center; color: var(--on-surface-var); }

@media print { .topbar, .foot, .btn, .crumbs { display: none !important; } body { background: #fff; } }


/* ------------------------------------------------------ نظرهای کاربران */
.cmt {
  --cmt-line: #e3e6ea; --cmt-line-2: #eef1f4; --cmt-bg: #fff; --cmt-bg-2: #f7f8fa;
  --cmt-ink: inherit; --cmt-dim: #5c6675; --cmt-accent: #111; --cmt-on-accent: #fff;
  --cmt-r: 14px; --cmt-r-sm: 9px; --cmt-star: #e0a92a;
  display: block; margin-block-start: 8px;
}
.cmt-top h2, .cmt-top h3 { margin: 0 0 4px; }
.cmt-lead { margin: 0; color: var(--cmt-dim); font-size: 14.5px; }
.cmt-count { margin: 6px 0 0; color: var(--cmt-dim); font-size: 12.5px; }
.cmt-list { display: grid; gap: 12px; margin-block: 18px; }
.cmt-empty { margin: 0; padding: 18px; border: 1px dashed var(--cmt-line); border-radius: var(--cmt-r); color: var(--cmt-dim); font-size: 14px; }
.cmt-item { background: var(--cmt-bg); border: 1px solid var(--cmt-line); border-radius: var(--cmt-r); padding: 15px 17px; }
.cmt-item > p { margin: 9px 0 0; font-size: 14.5px; line-height: 1.85; }
.cmt-head { display: flex; align-items: center; gap: 10px; }
.cmt-av { inline-size: 34px; block-size: 34px; border-radius: 50%; background: var(--cmt-bg-2); display: grid; place-items: center; font-weight: 700; font-size: 14px; flex: none; }
.cmt-meta { display: flex; flex-direction: column; line-height: 1.4; }
.cmt-meta b { font-size: 14px; }
.cmt-meta time { font-size: 11.5px; color: var(--cmt-dim); }
.cmt-stars { margin-inline-start: auto; display: inline-flex; gap: 2px; }
.cmt-stars i { inline-size: 11px; block-size: 11px; background: var(--cmt-line); border-radius: 2px; }
.cmt-stars i.on { background: var(--cmt-star); }
.cmt-reply { margin-block-start: 11px; padding: 10px 13px; background: var(--cmt-bg-2); border-radius: var(--cmt-r-sm); }
.cmt-reply b { font-size: 12px; color: var(--cmt-dim); display: block; }
.cmt-reply p { margin: 4px 0 0; font-size: 13.5px; line-height: 1.8; }

.cmt-form { background: var(--cmt-bg); border: 1px solid var(--cmt-line); border-radius: var(--cmt-r); padding: 17px 18px; }
.cmt-form-t { margin: 0 0 4px; font-size: 16px; }
.cmt-note { margin: 0 0 14px; font-size: 13px; color: var(--cmt-dim); line-height: 1.8; }
.cmt-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cmt-fld { display: flex; flex-direction: column; gap: 5px; min-inline-size: 0; }
.cmt-fld > span { font-size: 12.5px; color: var(--cmt-dim); font-weight: 600; }
.cmt-fld-full { margin-block-start: 12px; }
.cmt input[type="text"], .cmt select, .cmt textarea {
  font: inherit; font-size: 14.5px; color: var(--cmt-ink); background: var(--cmt-bg);
  border: 1px solid var(--cmt-line); border-radius: var(--cmt-r-sm); padding: 10px 12px;
  inline-size: 100%; max-inline-size: 100%;
}
.cmt textarea { resize: vertical; min-block-size: 96px; line-height: 1.8; }
.cmt input[type="text"]:focus-visible, .cmt select:focus-visible, .cmt textarea:focus-visible {
  outline: 2px solid var(--cmt-accent); outline-offset: 1px;
}
.cmt-hp { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.cmt-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-block-start: 14px; }
.cmt-btn {
  font: inherit; font-weight: 700; font-size: 14.5px; cursor: pointer;
  background: var(--cmt-accent); color: var(--cmt-on-accent); border: 0;
  border-radius: var(--cmt-r-sm); padding: 11px 22px;
}
.cmt-btn[disabled] { opacity: .6; cursor: progress; }
.cmt-hint { font-size: 12.5px; color: var(--cmt-dim); }
.cmt-status { margin: 12px 0 0; font-size: 13.5px; padding: 10px 13px; border-radius: var(--cmt-r-sm); background: var(--cmt-bg-2); }
.cmt-status.is-ok { background: #e7f6ee; color: #14663f; }
.cmt-status.is-err { background: #fdecec; color: #9b2323; }
@media (max-width: 560px) { .cmt-row { grid-template-columns: 1fr; } .cmt-btn { inline-size: 100%; } }


/* =========================================================================
 *  پیش‌گیری از سرریز افقی
 *  آیتم‌های فلکس/گرید به‌طور پیش‌فرض کوچک‌تر از محتوایشان نمی‌شوند و همین
 *  باعث می‌شد جدول‌های اسکرول‌دار کل صفحه را پهن کنند.
 * ========================================================================= */
* { min-inline-size: 0; }
img, svg, video, canvas { max-inline-size: 100%; }