/* ============================================================
   RADIS AI ACADEMY — Design System
   Signature motif: "Radis Ribbon" — the two diagonal strokes
   from the logo's R, reused as a structural device across the
   whole site (hero backdrop, dividers, card accents).
   ============================================================ */

/* فونت Vazirmatn - میزبانی محلی (بدون درخواست به fonts.googleapis.com) */
@font-face{
  font-family:'Vazirmatn'; font-style:normal; font-weight:400; font-display:swap;
  src:url('../fonts/vazirmatn-arabic-400-normal.woff2') format('woff2');
  unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC,U+102E0-102FB,U+10E60-10E7E,U+10EC2-10EC4,U+10EFC-10EF;
}
@font-face{
  font-family:'Vazirmatn'; font-style:normal; font-weight:500; font-display:swap;
  src:url('../fonts/vazirmatn-arabic-500-normal.woff2') format('woff2');
  unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC,U+102E0-102FB,U+10E60-10E7E,U+10EC2-10EC4,U+10EFC-10EF;
}
@font-face{
  font-family:'Vazirmatn'; font-style:normal; font-weight:600; font-display:swap;
  src:url('../fonts/vazirmatn-arabic-600-normal.woff2') format('woff2');
  unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC,U+102E0-102FB,U+10E60-10E7E,U+10EC2-10EC4,U+10EFC-10EF;
}
@font-face{
  font-family:'Vazirmatn'; font-style:normal; font-weight:700; font-display:swap;
  src:url('../fonts/vazirmatn-arabic-700-normal.woff2') format('woff2');
  unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC,U+102E0-102FB,U+10E60-10E7E,U+10EC2-10EC4,U+10EFC-10EF;
}
@font-face{
  font-family:'Vazirmatn'; font-style:normal; font-weight:800; font-display:swap;
  src:url('../fonts/vazirmatn-arabic-800-normal.woff2') format('woff2');
  unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC,U+102E0-102FB,U+10E60-10E7E,U+10EC2-10EC4,U+10EFC-10EF;
}
@font-face{
  font-family:'Vazirmatn'; font-style:normal; font-weight:900; font-display:swap;
  src:url('../fonts/vazirmatn-arabic-900-normal.woff2') format('woff2');
  unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC,U+102E0-102FB,U+10E60-10E7E,U+10EC2-10EC4,U+10EFC-10EF;
}
@font-face{
  font-family:'Vazirmatn'; font-style:normal; font-weight:400; font-display:swap;
  src:url('../fonts/vazirmatn-latin-400-normal.woff2') format('woff2');
  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:'Vazirmatn'; font-style:normal; font-weight:500; font-display:swap;
  src:url('../fonts/vazirmatn-latin-500-normal.woff2') format('woff2');
  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:'Vazirmatn'; font-style:normal; font-weight:600; font-display:swap;
  src:url('../fonts/vazirmatn-latin-600-normal.woff2') format('woff2');
  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:'Vazirmatn'; font-style:normal; font-weight:700; font-display:swap;
  src:url('../fonts/vazirmatn-latin-700-normal.woff2') format('woff2');
  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:'Vazirmatn'; font-style:normal; font-weight:800; font-display:swap;
  src:url('../fonts/vazirmatn-latin-800-normal.woff2') format('woff2');
  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:'Vazirmatn'; font-style:normal; font-weight:900; font-display:swap;
  src:url('../fonts/vazirmatn-latin-900-normal.woff2') format('woff2');
  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;
}

/* فونت JetBrains Mono - میزبانی محلی */
@font-face{
  font-family:'JetBrains Mono'; font-style:normal; font-weight:400; font-display:swap;
  src:url('../fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2');
  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:'JetBrains Mono'; font-style:normal; font-weight:500; font-display:swap;
  src:url('../fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2');
  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:'JetBrains Mono'; font-style:normal; font-weight:600; font-display:swap;
  src:url('../fonts/jetbrains-mono-latin-600-normal.woff2') format('woff2');
  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;
}

:root{
  /* ---- Brand colors ---- */
  --primary:        #2A5CEF;
  --primary-deep:   #0F2D7A;
  --primary-soft:   #D8EEFF;
  --secondary:      #F4B700;
  --secondary-deep: #C78B00;
  --dark:           #111827;
  --white:          #FFFFFF;

  /* ---- Derived surfaces / text ---- */
  --ink:            #111827;
  --ink-soft:       #37415C;
  --ink-faint:      #5A6785;
  --surface:        #FFFFFF;
  --surface-tint:   #F4F8FF;
  --surface-dark:   #111827;
  --border:         #E4EAF7;
  --border-dark:    #1F2B45;

  /* ---- Track colors (kids vs adults) ---- */
  --track-kids:      var(--secondary-deep);
  --track-kids-bg:    #FFF4C2;
  --track-adults:     var(--primary);
  --track-adults-bg:  var(--primary-soft);

  /* ---- Type ---- */
  --font-display: 'Vazirmatn', sans-serif;
  --font-body:    'Vazirmatn', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* ---- Spacing / radius ---- */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --radius-full: 999px;
  --container: 1180px;

  /* ---- Shadow ---- */
  --shadow-sm: 0 2px 10px rgba(17,24,39,.06);
  --shadow-md: 0 10px 30px rgba(17,24,39,.08);
  --shadow-lg: 0 20px 50px rgba(17,24,39,.12);
  --shadow-primary: 0 14px 34px rgba(79,110,219,.28);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--surface);
  direction:rtl;
  text-align:right;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"ss01" 1;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
input,select,textarea{ font-family:inherit; }

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

section{ position:relative; }

/* ---- Headings ---- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--ink);
  margin:0;
  line-height:1.3;
}
h1{ font-weight:900; }
h2{ font-weight:800; }
h3{ font-weight:700; }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-soft);
  padding:7px 16px;
  border-radius:var(--radius-full);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:6px; height:6px;
  border-radius:50%;
  background:var(--primary);
  flex-shrink:0;
}
.eyebrow.kids{ color:var(--track-kids); background:var(--track-kids-bg); }
.eyebrow.kids::before{ background:var(--track-kids); }

.section-head{ max-width:640px; margin-bottom:56px; }
.section-head.center{ margin-inline:auto; text-align:center; }
.section-head p{ color:var(--ink-soft); font-size:17px; margin-top:14px; }

/* ============================================================
   RADIS RIBBON — signature motif
   ============================================================ */
.ribbon-mark{
  position:absolute;
  width:130px; height:520px;
  pointer-events:none;
  z-index:0;
}
.ribbon-mark .bar{
  position:absolute;
  width:56px; height:110%;
  top:-5%;
  border-radius:28px;
  transform:rotate(20deg);
}
.ribbon-mark .bar.b1{ right:36px; background:var(--primary); opacity:.14; }
.ribbon-mark .bar.b2{ right:0;    background:var(--secondary); opacity:.16; }

.ribbon-divider{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin:0 auto;
  width:74px;
}
.ribbon-divider span{
  display:block;
  width:20px; height:9px;
  border-radius:5px;
  transform:rotate(-20deg);
}
.ribbon-divider span:first-child{ background:var(--primary); }
.ribbon-divider span:last-child{ background:var(--secondary); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ width:42px; height:42px; }
.brand-name{ font-family:var(--font-display); font-weight:800; font-size:19px; color:var(--ink); }
.brand-name span{ color:var(--primary); }

.nav-links{ display:flex; align-items:center; gap:6px; }
.nav-links a{
  padding:10px 16px;
  border-radius:var(--radius-full);
  font-weight:600;
  font-size:15px;
  color:var(--ink-soft);
  transition:.2s;
}
.nav-links a:hover, .nav-links a.active{ color:var(--primary); background:var(--primary-soft); }

.nav-cta{ display:flex; align-items:center; gap:10px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-full);
  font-weight:700; font-size:15px;
  border:none;
  transition:.25s cubic-bezier(.2,.7,.3,1);
  white-space:nowrap;
}
.btn-primary{ background:var(--primary); color:#fff; box-shadow:var(--shadow-primary); }
.btn-primary:hover{ background:var(--primary-deep); transform:translateY(-2px); }
.btn-secondary{ background:var(--secondary); color:var(--dark); }
.btn-secondary:hover{ background:var(--secondary-deep); transform:translateY(-2px); }
.btn-outline{ background:transparent; color:var(--ink); border:1.5px solid var(--border); }
.btn-outline:hover{ border-color:var(--primary); color:var(--primary); }
.btn-ghost-white{ background:rgba(255,255,255,.14); color:#fff; border:1.5px solid rgba(255,255,255,.35); }
.btn-ghost-white:hover{ background:rgba(255,255,255,.24); }
.btn-block{ width:100%; }
.btn-sm{ padding:9px 18px; font-size:13.5px; }

.menu-toggle{
  display:none;
  width:44px; height:44px;
  align-items:center; justify-content:center;
  border-radius:var(--radius-sm);
  border:1px solid var(--border);
  background:#fff;
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  padding:64px 0 40px;
  overflow:hidden;
  position:relative;
}
.hero .container{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:50px;
  align-items:center;
}
.hero-copy h1{
  font-size:52px;
  letter-spacing:-.01em;
}
.hero-copy h1 .accent{ color:var(--primary); }
.hero-copy h1 .accent-y{
  position:relative;
  display:inline-block;
}
.hero-copy h1 .accent-y::after{
  content:"";
  position:absolute; right:2%; left:2%; bottom:6px; height:14px;
  background:var(--secondary);
  z-index:-1; border-radius:6px;
  opacity:.65;
}
.hero-copy p.lead{
  font-size:18.5px;
  color:var(--ink-soft);
  margin:22px 0 34px;
  max-width:480px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.hero-trust{
  display:flex; gap:26px; margin-top:42px; flex-wrap:wrap;
}
.hero-trust div{ display:flex; align-items:center; gap:10px; font-size:14px; font-weight:600; color:var(--ink-soft); }
.hero-trust div i{ color:var(--primary); width:19px; height:19px; }

/* ============================================================
   HERO VISUAL — Image Display
   ============================================================ */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.hero-img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 20px 40px rgba(17, 24, 39, 0.12));
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.hero-img:hover {
  transform: translateY(-6px) scale(1.01);
  filter: drop-shadow(0 28px 48px rgba(42, 92, 239, 0.18));
}
/* ============================================================
   INTRO / ABOUT STRIP
   ============================================================ */
.intro{ padding:70px 0; }
.intro .container{
  display:grid; grid-template-columns:.85fr 1.15fr; gap:60px; align-items:center;
}
.intro-visual{
  aspect-ratio:1/1;
  border-radius:var(--radius-lg);
  background:var(--surface-tint);
  position:relative;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.intro-visual img{ width:58%; }
.intro-visual .ring{
  position:absolute; border-radius:50%; border:1.5px dashed var(--border);
}
.intro-visual .ring.r1{ width:80%; height:80%; }
.intro-visual .ring.r2{ width:100%; height:100%; }
.intro-copy h2{ font-size:34px; margin-bottom:20px; }
.intro-copy p{ color:var(--ink-soft); font-size:16.5px; }
.intro-copy p + p{ margin-top:14px; }

/* ============================================================
   TRACK CARDS (courses overview)
   ============================================================ */
.tracks{ padding:70px 0; background:var(--surface-tint); }
.track-grid{ display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.track-card{
  position:relative;
  background:#fff;
  border-radius:var(--radius-lg);
  padding:38px 34px;
  border:1px solid var(--border);
  overflow:hidden;
  transition:.3s;
}
.track-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.track-card .corner{
  position:absolute; left:-40px; top:-40px; width:130px; height:130px; z-index:0;
}
.track-card .corner span{
  position:absolute; width:38px; height:180px; border-radius:20px; transform:rotate(20deg);
}
.track-card.kids .corner span:first-child{ background:var(--secondary); opacity:.35; right:26px; }
.track-card.kids .corner span:last-child{ background:var(--track-kids); opacity:.2; right:0; }
.track-card.adults .corner span:first-child{ background:var(--primary); opacity:.22; right:26px; }
.track-card.adults .corner span:last-child{ background:var(--primary-deep); opacity:.14; right:0; }

.track-card .tag{
  position:relative; z-index:1;
  display:inline-block; font-family:var(--font-mono); font-size:12px; font-weight:600;
  padding:5px 12px; border-radius:var(--radius-full); margin-bottom:18px;
}
.track-card.kids .tag{ background:var(--track-kids-bg); color:var(--track-kids); }
.track-card.adults .tag{ background:var(--track-adults-bg); color:var(--primary); }

.track-card h3{ position:relative; z-index:1; font-size:25px; margin-bottom:16px; }
.track-card ul{ position:relative; z-index:1; display:flex; flex-direction:column; gap:11px; margin-bottom:26px; }
.track-card ul li{ display:flex; align-items:center; gap:10px; font-size:15px; color:var(--ink-soft); font-weight:500; }
.track-card ul li i{ width:18px; height:18px; flex-shrink:0; }
.track-card.kids ul li i{ color:var(--track-kids); }
.track-card.adults ul li i{ color:var(--primary); }
.track-card .btn{ position:relative; z-index:1; }

/* ============================================================
   WHY RADIS — value grid
   ============================================================ */
.values{ padding:80px 0; }
.value-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.value-card{
  padding:30px 26px;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  transition:.25s;
}
.value-card:hover{ border-color:var(--primary); box-shadow:var(--shadow-md); }
.value-card .ico{
  width:52px; height:52px; border-radius:14px;
  background:var(--primary-soft); color:var(--primary);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
}
.value-card h3{ font-size:18px; margin-bottom:8px; }
.value-card p{ color:var(--ink-soft); font-size:14.5px; margin:0; }

/* ============================================================
   LEARNING PATH (roadmap)
   ============================================================ */
.paths{ padding:80px 0; background:var(--surface-tint); }
.path-tabs{ display:flex; gap:10px; justify-content:center; margin-bottom:46px; }
.path-tab{
  padding:11px 24px; border-radius:var(--radius-full); font-weight:700; font-size:14.5px;
  border:1.5px solid var(--border); background:#fff; color:var(--ink-soft);
}
.path-tab.active[data-path="kids"]{ background:var(--track-kids); border-color:var(--track-kids); color:#fff; }
.path-tab.active[data-path="adults"]{ background:var(--primary); border-color:var(--primary); color:#fff; }

.path-track {
    display: none; /* به صورت پیش‌فرض همه پنهان هستند */
}

.path-track.active {
    display: block; /* فقط مسیر فعال نمایش داده می‌شود */
    animation: fadeIn 0.4s ease; /* افکت ظاهر شدن نرم (اختیاری) */
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.path-steps{
  display:flex; justify-content:space-between; align-items:flex-start; gap:12px; flex-wrap:wrap;
}
.path-step{
  flex:1; min-width:150px; text-align:center; position:relative;
}
.path-step .bubble{
  width:64px; height:64px; border-radius:50%; margin:0 auto 14px;
  display:flex; align-items:center; justify-content:center;
  background:#fff; border:2px solid var(--border); font-family:var(--font-mono); font-weight:700; font-size:13px;
}
.path-track[data-path="kids"] .bubble{ color:var(--track-kids); }
.path-track[data-path="adults"] .bubble{ color:var(--primary); }
.path-step strong{ display:block; font-size:15px; }
.path-step small{ color:var(--ink-faint); font-size:12.5px; }
.path-arrow{ align-self:center; color:var(--ink-faint); flex-shrink:0; margin-top:22px; }

/* ============================================================
   PROJECTS SHOWCASE
   ============================================================ */
.showcase{ padding:80px 0; }
.showcase-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.showcase-card{
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--border);
  transition:.25s;
}
.showcase-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); }
.showcase-thumb{
  aspect-ratio:4/3;
  display:flex; align-items:center; justify-content:center;
  position:relative;
}
.showcase-thumb i{ width:34px; height:34px; }
.showcase-card.kids .showcase-thumb{ background:var(--track-kids-bg); color:var(--track-kids); }
.showcase-card.adults .showcase-thumb{ background:var(--track-adults-bg); color:var(--primary); }
.showcase-body{ padding:16px 18px; }
.showcase-body .tag{ font-family:var(--font-mono); font-size:11px; color:var(--ink-faint); }
.showcase-body h4{ font-size:15.5px; margin-top:6px; }

/* ============================================================
   TESTIMONIALS (placeholder, editable)
   ============================================================ */
.testimonials{ padding:80px 0; background:var(--surface-tint); }
.testimonial-note{
  text-align:center; font-size:13px; color:var(--ink-faint);
  font-family:var(--font-mono);
  margin-top:-30px; margin-bottom:40px;
}
.testi-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.testi-card{
  background:#fff; border:1px dashed var(--border); border-radius:var(--radius-md);
  padding:28px; position:relative;
}
.testi-card::before{
  content:"";
  position:absolute; top:14px; left:14px;
  font-family:var(--font-mono); font-size:10px; color:var(--ink-faint);
  background:var(--surface-tint); padding:3px 9px; border-radius:var(--radius-full);
}
.testi-card p{ font-size:15px; color:var(--ink-soft); margin:22px 0 20px; }
.testi-person{ display:flex; align-items:center; gap:12px; }
.testi-avatar{
  width:42px; height:42px; border-radius:50%;
  background:var(--primary-soft); color:var(--primary);
  display:flex; align-items:center; justify-content:center; font-weight:700;
}
.testi-person strong{ display:block; font-size:14px; }
.testi-person span{ font-size:12.5px; color:var(--ink-faint); }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band{
  margin:0 auto 90px; max-width:var(--container);
  border-radius:var(--radius-lg);
  background:var(--dark);
  padding:56px 60px;
  display:flex; align-items:center; justify-content:space-between; gap:30px;
  position:relative; overflow:hidden;
}
.cta-band::before, .cta-band::after{
  content:""; position:absolute; width:110px; height:220%; top:-60%; border-radius:60px; transform:rotate(20deg);
}
.cta-band::before{ background:var(--primary); opacity:.3; left:-30px; }
.cta-band::after{ background:var(--secondary); opacity:.18; left:60px; }
.cta-band h3{ color:#fff; font-size:27px; position:relative; z-index:1; max-width:480px; }
.cta-band p{ color:#B9C0CF; margin-top:10px; position:relative; z-index:1; }
.cta-actions{ display:flex; gap:12px; position:relative; z-index:1; flex-shrink:0; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{ background:var(--dark); color:#C7CCD9; padding:64px 0 0; }
.footer-top{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px;
  padding-bottom:48px; border-bottom:1px solid var(--border-dark);
}
.footer-brand .brand-name{ color:#fff; }
.footer-brand p{ font-size:14px; color:#9199A8; margin-top:16px; max-width:280px; }
.footer-social{ display:flex; gap:10px; margin-top:20px; }
.footer-social a{
  width:38px; height:38px; border-radius:50%; background:rgba(255,255,255,.06);
  display:flex; align-items:center; justify-content:center;
}
.footer-social a:hover{ background:var(--primary); }
.footer-col h3{ color:#fff; font-size:15px; margin-bottom:18px; font-weight:700; }
.footer-col ul{ display:flex; flex-direction:column; gap:11px; }
.footer-col a{ font-size:14px; color:#9199A8; transition:.2s; }
.footer-col a:hover{ color:var(--secondary); }
.footer-bottom{
 text-align: center;
  padding:22px 0; font-size:13px; color:#9AA2B2;
}
.footer-bottom a{ color:#9199A8; }

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-hero{
  padding:56px 0 60px;
  background:var(--surface-tint);
  position:relative;
  overflow:hidden;
}
.page-hero .container{ position:relative; z-index:1; }
.breadcrumb{ display:flex; gap:8px; align-items:center; font-size:13.5px; color:var(--ink-faint); margin-bottom:18px; }
.breadcrumb a{ color:var(--ink-faint); }
.breadcrumb a:hover{ color:var(--primary); }
.page-hero h1{ font-size:38px; }
.page-hero p{ color:var(--ink-soft); margin-top:14px; max-width:560px; font-size:16.5px; }

/* ============================================================
   FILTER PILLS
   ============================================================ */
.filter-row{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:40px; }
.pill{
  padding:9px 20px; border-radius:var(--radius-full); border:1.5px solid var(--border);
  font-size:14px; font-weight:600; color:var(--ink-soft); background:#fff;
}
.pill.active{ background:var(--dark); color:#fff; border-color:var(--dark); }

/* ============================================================
   COURSE CARDS (listing)
   ============================================================ */
.course-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.course-card{
  border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden;
  background:#fff; transition:.25s; display:flex; flex-direction:column;
}
.course-card:hover{ box-shadow:var(--shadow-lg); transform:translateY(-5px); }
.course-thumb{
  height:150px; position:relative; display:flex; align-items:center; justify-content:center;
}
.course-thumb i{ width:36px; height:36px; }
.course-card.kids .course-thumb{ background:var(--track-kids-bg); color:var(--track-kids); }
.course-card.adults .course-thumb{ background:var(--track-adults-bg); color:var(--primary); }
.course-thumb .lvl{
  position:absolute; top:12px; left:12px; font-family:var(--font-mono); font-size:11px;
  background:rgba(255,255,255,.85); padding:4px 10px; border-radius:var(--radius-full); font-weight:600;
}
.course-body{ padding:22px 22px 24px; display:flex; flex-direction:column; gap:12px; flex:1; }
.course-body h3{ font-size:18px; }
.course-body p{ font-size:14px; color:var(--ink-soft); margin:0; flex:1; }
.course-meta{ display:flex; gap:14px; flex-wrap:wrap; font-size:12.5px; color:var(--ink-faint); font-family:var(--font-mono); }
.course-meta span{ display:flex; align-items:center; gap:5px; }
.course-meta i{ width:14px; height:14px; }
.course-body .btn{ margin-top:6px; }

/* ============================================================
   COURSE DETAIL
   ============================================================ */
.course-detail{ padding:60px 0 90px; }
.course-detail .container{ display:grid; grid-template-columns:2fr 1fr; gap:50px; align-items:start; }
.cd-block{ margin-bottom:40px; }
.cd-block h2{ font-size:23px; margin-bottom:18px; }
.cd-block p{ color:var(--ink-soft); }
.cd-list{ display:flex; flex-direction:column; gap:14px; }
.cd-list li{ display:flex; gap:12px; align-items:flex-start; color:var(--ink-soft); font-size:15px; }
.cd-list i{ width:20px; height:20px; color:var(--primary); flex-shrink:0; margin-top:2px; }
.syllabus{ display:flex; flex-direction:column; gap:10px; }
.syllabus-item{
  border:1px solid var(--border); border-radius:var(--radius-sm); padding:16px 18px;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.syllabus-item .idx{ font-family:var(--font-mono); color:var(--primary); font-weight:700; font-size:13px; }
.syllabus-item strong{ font-size:14.5px; display:block; }
.syllabus-item small{ color:var(--ink-faint); font-size:12.5px; }

.cd-sidebar{
  position:sticky; top:100px;
  border:1px solid var(--border); border-radius:var(--radius-lg); padding:28px; box-shadow:var(--shadow-md);
}
.cd-sidebar .price{ font-family:var(--font-mono); font-size:26px; font-weight:700; color:var(--ink); margin-bottom:4px; }
.cd-sidebar .price small{ font-size:13px; color:var(--ink-faint); font-weight:400; }
.cd-sidebar-list{ display:flex; flex-direction:column; gap:12px; margin:22px 0; }
.cd-sidebar-list li{ display:flex; justify-content:space-between; font-size:14px; color:var(--ink-soft); }
.cd-sidebar-list b{ color:var(--ink); }

/* ============================================================
   BLOG
   ============================================================ */
.blog-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.blog-card{ border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden; background:#fff; transition:.25s; }
.blog-card:hover{ box-shadow:var(--shadow-lg); transform:translateY(-5px); }
.blog-thumb{
  height:170px; background:var(--surface-tint); color:var(--primary);
  display:flex; align-items:center; justify-content:center;
}
.blog-thumb i{ width:32px; height:32px; }
.blog-body{ padding:20px 20px 24px; }
.blog-cat{ font-family:var(--font-mono); font-size:11.5px; color:var(--primary); font-weight:600; }
.blog-body h3{ font-size:17px; margin:10px 0 10px; }
.blog-body p{ font-size:13.5px; color:var(--ink-soft); margin:0 0 16px; }
.blog-meta{ display:flex; justify-content:space-between; font-size:12px; color:var(--ink-faint); }
.blog-rating{
  display:flex; align-items:center; gap:5px; margin-top:10px; font-size:12.5px; font-weight:700; color:#B45309;
}
.blog-rating i{ color:#F59E0B; }
.blog-rating span{ font-weight:500; color:var(--ink-faint); }

.article{ padding:56px 0 100px; }
.article .container{ max-width:760px; }
.article-meta{ display:flex; gap:16px; color:var(--ink-faint); font-size:13px; font-family:var(--font-mono); margin-bottom:18px; flex-wrap:wrap; }
.article h1{ font-size:34px; margin-bottom:10px; }
.article-cover{
  margin:30px 0; height:280px; border-radius:var(--radius-md);
  background:var(--surface-tint); color:var(--primary);
  display:flex; align-items:center; justify-content:center;
}
.article-cover i{ width:44px; height:44px; }
.article-body{ font-size:16.5px; color:var(--ink-soft); }
.article-body h2{ font-size:22px; color:var(--ink); margin:34px 0 14px; }
.article-body p{ margin-bottom:16px; }
.article-body ul{ margin:0 0 16px; display:flex; flex-direction:column; gap:8px; }
.article-body ul li{ display:flex; gap:10px; }
.article-body ul li::before{ content:"–"; color:var(--primary); font-weight:700; }

/* تبلیغ دوره وسط مقاله */
.article-course-promo{
  position:relative; overflow:hidden;
  margin:44px 0; padding:30px; border-radius:var(--radius-lg);
  background:linear-gradient(135deg, var(--primary-soft) 0%, #fff 65%);
  border:1px solid var(--border);
  box-shadow:var(--shadow-md);
  display:flex; align-items:center; gap:22px; flex-wrap:wrap;
}
.article-course-promo::before{
  content:""; position:absolute; inset-inline-start:0; top:0; bottom:0; width:5px;
  background:linear-gradient(180deg, var(--primary), var(--secondary));
}
.article-course-promo .promo-glow{
  position:absolute; width:220px; height:220px; border-radius:50%;
  background:radial-gradient(circle, rgba(var(--primary-rgb,42,92,239),.14), transparent 70%);
  inset-inline-end:-60px; top:-80px; pointer-events:none;
}
.article-course-promo .icon-box{
  position:relative; width:64px; height:64px; border-radius:18px; background:#fff; flex-shrink:0;
  display:flex; align-items:center; justify-content:center; color:var(--primary); box-shadow:var(--shadow-sm);
}
.article-course-promo .icon-box i{ width:28px; height:28px; }
.article-course-promo .promo-body{ position:relative; flex:1; min-width:220px; }
.article-course-promo .promo-eyebrow{
  display:flex; align-items:center; gap:5px; font-family:var(--font-mono); font-size:11.5px;
  color:var(--primary); font-weight:700; margin-bottom:8px; letter-spacing:.3px;
}
.article-course-promo h4{ font-size:19px; margin-bottom:7px; }
.article-course-promo p{ font-size:14px; color:var(--ink-soft); margin:0; }
.article-course-promo .btn{ position:relative; flex-shrink:0; display:inline-flex; align-items:center; gap:6px; }

/* جعبه‌ی امتیازدهی به مقاله */
.article-rating-box{
  margin:44px 0; padding:24px 28px; border-radius:var(--radius-lg);
  background:#fff; border:1px solid var(--border); box-shadow:var(--shadow-sm);
  display:flex; align-items:center; gap:28px; flex-wrap:wrap;
}
.rating-summary{ display:flex; flex-direction:column; align-items:center; gap:4px; min-width:110px; }
.rating-number{ font-size:32px; font-weight:800; color:var(--ink); line-height:1; font-family:var(--font-mono); }
.stars-display{ direction:ltr; display:flex; gap:2px; font-size:18px; color:#D1D5DB; }
.stars-display .star.filled{ color:#F59E0B; }
.rating-count{ font-size:12.5px; color:var(--ink-faint); }
.rating-divider{ width:1px; align-self:stretch; background:var(--border); }
.rating-action{ display:flex; flex-direction:column; gap:8px; flex:1; min-width:200px; }
.rating-action > span{ font-size:14px; font-weight:600; color:var(--ink); }
.star-rating-input{ direction:ltr; display:inline-flex; flex-direction:row-reverse; gap:3px; }
.star-rating-input input{ display:none; }
.star-rating-input label{ font-size:30px; line-height:1; color:#D1D5DB; cursor:pointer; transition:color .15s, transform .15s; }
.star-rating-input label:hover{ transform:scale(1.1); }
.star-rating-input input:checked ~ label,
.star-rating-input label:hover,
.star-rating-input label:hover ~ label{ color:#F59E0B; }

/* مقالات مرتبط */
.related-articles{ margin:56px 0 0; }
.related-articles h2{ font-size:20px; margin-bottom:20px; }
.related-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:16px; }
.related-card{
  display:block; border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden;
  background:#fff; text-decoration:none; color:inherit; transition:transform .2s, box-shadow .2s;
}
.related-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:var(--primary); }
.related-thumb{
  aspect-ratio:16/10; background:var(--surface-tint); display:flex; align-items:center; justify-content:center;
  color:var(--primary); overflow:hidden;
}
.related-thumb img{ width:100%; height:100%; object-fit:cover; }
.related-thumb i{ width:30px; height:30px; }
.related-body{ padding:14px 16px; }
.related-body h3{ font-size:14.5px; line-height:1.6; margin-bottom:8px; }
.related-body span{ font-size:12px; color:var(--ink-faint); font-family:var(--font-mono); }

/* بخش نظرات مقاله */
.comments-section{ margin:64px 0 0; padding-top:44px; border-top:1px solid var(--border); }
.comments-section h2{ font-size:21px; margin-bottom:26px; }
.no-comments{ color:var(--ink-faint); font-size:14.5px; padding:6px 0 8px; }

.comment-form-card{ margin-bottom:36px; }
.comment-form-card h3{ margin-bottom:6px; font-size:18px; }
.comment-form-note{ color:var(--ink-soft); font-size:13.5px; margin-bottom:20px; }
.replying-to-box{
  display:none; align-items:center; gap:8px; background:var(--surface-tint); border-radius:8px;
  padding:10px 14px; margin-bottom:18px; font-size:13.5px;
}
.replying-to-box.show{ display:flex; }
.replying-to-box strong{ color:var(--primary); }
.replying-to-box button{
  margin-inline-start:auto; background:none; border:none; color:var(--ink-faint); cursor:pointer; font-size:13px;
  text-decoration:underline;
}

.comment-list{ display:flex; flex-direction:column; gap:18px; }
.comment-card{
  border:1px solid var(--border); border-radius:var(--radius-md); padding:20px 22px; background:#fff;
  transition:box-shadow .2s;
}
.comment-card:hover{ box-shadow:var(--shadow-sm); }
.comment-head{ display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.comment-avatar{
  width:38px; height:38px; border-radius:50%;
  background:linear-gradient(135deg, var(--primary-soft), var(--secondary-soft, var(--primary-soft)));
  color:var(--primary);
  display:flex; align-items:center; justify-content:center; font-weight:700; font-size:15px; flex-shrink:0;
}
.comment-avatar.small{ width:30px; height:30px; font-size:13px; }
.comment-head strong{ font-size:14.5px; }
.comment-head time{ font-size:12px; color:var(--ink-faint); font-family:var(--font-mono); margin-inline-start:auto; }
.comment-card p{ font-size:14.5px; color:var(--ink-soft); margin:0 0 10px; line-height:1.9; }
.comment-reply-btn{
  background:none; border:none; cursor:pointer; padding:0; display:inline-flex; align-items:center; gap:5px;
  font-size:13px; font-weight:600; color:var(--primary);
}
.comment-reply-btn:hover{ text-decoration:underline; }
.comment-replies{
  margin-top:16px; padding-inline-start:20px; border-inline-start:2px solid var(--border);
  display:flex; flex-direction:column; gap:14px;
}
.comment-replies .comment-card{ padding:14px 16px; background:var(--surface-tint); }
.comment-replies .comment-card p{ margin-bottom:0; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-mission{ padding:70px 0; }
.mission-grid{ display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:center; }
.about-values .value-grid{ margin-top:10px; }
.timeline{ display:flex; flex-direction:column; gap:0; margin-top:20px; }
.timeline-item{ display:flex; gap:20px; padding-bottom:32px; position:relative; }
.timeline-item::before{
  content:""; position:absolute; right:9px; top:26px; bottom:0; width:1.5px; background:var(--border);
}
.timeline-item:last-child::before{ display:none; }
.timeline-dot{ width:20px; height:20px; border-radius:50%; background:var(--primary); flex-shrink:0; margin-top:2px;
  box-shadow:0 0 0 5px var(--primary-soft); }
.timeline-item h3{ font-size:15.5px; margin-bottom:4px; font-weight:700; }
.timeline-item p{ font-size:14px; color:var(--ink-soft); margin:0; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-wrap{ padding:70px 0 100px; }
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:50px; }
.contact-card{ border:1px solid var(--border); border-radius:var(--radius-md); padding:24px; display:flex; gap:16px; align-items:flex-start; margin-bottom:16px; }
.contact-card .ico{ width:46px; height:46px; border-radius:12px; background:var(--primary-soft); color:var(--primary); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.contact-card h4{ font-size:15px; margin-bottom:4px; }
.contact-card p{ font-size:14px; color:var(--ink-soft); margin:0; direction:ltr; text-align:right; }
.map-frame{ margin-top:24px; width:100%; height:350px; border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow-md); border:1px solid var(--border);}
.map-frame iframe{ width:100%; height:100%; border:0; display:block;}

/* ============================================================
   FORMS
   ============================================================ */
.form-card{
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:36px; box-shadow:var(--shadow-md);
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ margin-bottom:20px; }
.field label{ display:block; font-size:14px; font-weight:600; margin-bottom:8px; }
.field input, .field select, .field textarea{
  width:100%; padding:13px 16px; border:1.5px solid var(--border); border-radius:var(--radius-sm);
  font-size:15px; background:#fff; color:var(--ink); transition:.2s;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--primary); box-shadow:0 0 0 4px var(--primary-soft);
}
.field textarea{ resize:vertical; min-height:110px; }
.choice-group{ display:flex; gap:10px; }
.choice-group label{
  flex:1; display:flex; align-items:center; justify-content:center; gap:8px;
  border:1.5px solid var(--border); border-radius:var(--radius-sm); padding:13px; font-size:14px; font-weight:600;
  color:var(--ink-soft); cursor:pointer; transition:.2s;
}
.choice-group input{ display:none; }
.choice-group input:checked + span{ color:var(--primary); }
.choice-group label:has(input:checked){ border-color:var(--primary); background:var(--primary-soft); color:var(--primary); }
.form-note{ font-size:13px; color:var(--ink-faint); margin-top:14px; text-align:center; }
.form-success{
  display:none; text-align:center; padding:50px 20px;
}
.form-success.show{ display:block; }
.form-success .ico{
  width:70px; height:70px; border-radius:50%; background:var(--primary-soft); color:var(--primary);
  display:flex; align-items:center; justify-content:center; margin:0 auto 20px;
}
.form-success h3{ font-size:22px; margin-bottom:10px; }
.form-success p{ color:var(--ink-soft); }

/* ============================================================
   TESTIMONIALS MODAL
   ============================================================ */
.modal-overlay{ position:fixed; inset:0; background:rgba(11,18,34,.6); display:none; align-items:center; justify-content:center; z-index:3000; padding:24px; }
.modal-overlay.show{ display:flex; }
.modal{
  width:100%; max-width:720px; background:#fff; border-radius:18px; padding:26px 28px; box-shadow:0 30px 80px rgba(17,24,39,.5);
  direction:rtl; text-align:right;
}
.modal-header{ display:flex; align-items:center; justify-content:space-between; gap:12px; }
.modal-header h3{ margin:0; font-size:20px; }
.modal-close{ background:transparent; border:0; font-size:22px; color:var(--ink-faint); cursor:pointer; }
.modal-sub{ color:var(--ink-faint); margin-top:6px; font-size:13px; }
.modal-form .field{ margin-bottom:12px; }
.modal-form input, .modal-form select, .modal-form textarea{ width:100%; padding:12px 14px; border-radius:10px; border:1px solid var(--border); }
.modal-form textarea{ min-height:110px; resize:vertical; }
.modal-actions{ display:flex; gap:12px; justify-content:flex-start; margin-top:12px; }
.modal .btn{ padding:10px 18px; }

@media (max-width:640px){
  .modal{ padding:18px; border-radius:12px; }
  .modal .btn{ width:100%; }
  .modal-actions{ flex-direction:column-reverse; }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.active{ opacity:1; transform:translateY(0); }
.text-center{ text-align:center; }
.mt-0{ margin-top:0 !important; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .value-grid{ grid-template-columns:repeat(2,1fr); }
  .showcase-grid{ grid-template-columns:repeat(2,1fr); }
  .course-grid, .blog-grid{ grid-template-columns:repeat(2,1fr); }
  .footer-top{ grid-template-columns:1fr 1fr; }
}
@media (max-width:900px){
  .nav-links{ display:none; }
  .nav-links.open{
    display:flex;
    flex-direction:column;
    position:absolute;
    top:70px;
    left:24px;
    right:24px;
    background:#fff;
    padding:20px;
    border-radius:16px;
    box-shadow:0 10px 30px rgba(17,24,39,.1);
    border:1px solid var(--border);
    z-index:10;
    animation: mobileNavFade 180ms ease-out;
  }
  .menu-toggle{ display:flex; }
  .hero .container{ grid-template-columns:1fr; }
  .hero-visual{ height:340px; order:-1; }
  .intro .container{ grid-template-columns:1fr; }
  .track-grid{ grid-template-columns:1fr; }
  .mission-grid{ grid-template-columns:1fr; }
  .course-detail .container{ display:flex; flex-direction:column; }
      .cd-sidebar {
        order: -1;
        position: static;
        top: 12px;
        z-index: 5;
    }
  .contact-grid{ grid-template-columns:1fr; }
  .cta-band{ flex-direction:column; text-align:center; padding:44px 30px; }
}
@media (max-width:640px){
  .hero-copy h1{ font-size:36px; }
  .value-grid, .showcase-grid, .course-grid, .blog-grid{ grid-template-columns:1fr; }
  .path-steps{ flex-direction:column; align-items:stretch; }
  .path-arrow{ transform:rotate(90deg); align-self:center; margin:-6px 0; }
  .testi-grid{ grid-template-columns:1fr; }
  .form-row, .choice-group{ grid-template-columns:1fr; flex-direction:column; }
  .footer-top{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; text-align:center; }
  .page-hero h1{ font-size:28px; }
  .related-grid{ grid-template-columns:1fr; }
  .article-rating-box{ flex-direction:column; align-items:stretch; text-align:center; }
  .rating-divider{ width:100%; height:1px; }
  .rating-action{ align-items:center; }
  .article-course-promo{ flex-direction:column; text-align:center; }
  .article-course-promo .btn{ width:100%; justify-content:center; }
}

/* =========================================================
   اصلاحات مربوط به گزارش Lighthouse (Performance / Accessibility)
   ========================================================= */

/* رفع دفرمه‌شدن لوگوی فوتر: به‌جای stretch کردن تصویر داخل کادر ۴۲x۴۲،
   نسبت ابعاد اصلی تصویر حفظ می‌شود و فقط داخل همان فضا جا می‌گیرد */
.footer-logo,
.login-logo img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

/* جلوگیری از تغییر ابعاد لوگوی هدر در صورت نسبت ابعاد متفاوت تصویر واقعی */
.brand img {
  object-fit: contain;
}

/* کلاس کمکی برای هدینگ‌های معنایی که فقط باید توسط screen reader خوانده شوند
   (برای رعایت ترتیب صحیح h1 -> h2 -> h3 بدون تغییر در ظاهر بصری صفحه) */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}