:root {
  --bg: #f7f7fd;
  --bg-strong: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f4f0ff;
  --ink: #181a26;
  --muted: #5e6473;
  --primary: #4d2cc9;
  --primary-strong: #301a84;
  --secondary: #7a36e7;
  --accent: #ff8b22;
  --accent-strong: #ff5a2b;
  --pink: #f936a2;
  --blue: #1d73f8;
  --line: rgba(77, 44, 201, 0.14);
  --shadow: 0 24px 70px rgba(47, 31, 102, 0.14);
  --shadow-soft: 0 16px 40px rgba(47, 31, 102, 0.10);
  --radius: 28px;
  --max: 1180px;
  --ease: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Vazirmatn, Tahoma, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 6%, rgba(255,139,34,.11), transparent 24rem),
    radial-gradient(circle at 94% 8%, rgba(77,44,201,.14), transparent 28rem),
    linear-gradient(180deg, #fff, var(--bg));
  line-height: 1.9;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
::selection { background: rgba(255,139,34,.22); }

.container {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  transform: translateY(-150%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(77,44,201,.10);
}
.nav-shell {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 178px;
  padding: 8px 0;
}
.brand img { width: 162px; height: auto; }
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-weight: 800;
}
.main-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  transition: color .2s ease, background .2s ease;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: var(--surface-soft);
}
.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 900;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.header-cta,
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 16px 34px rgba(77,44,201,.25);
}
.btn-soft {
  color: var(--primary);
  background: #fff;
  border-color: var(--line);
}
.header-cta:hover,
.btn:hover { transform: translateY(-2px); }
.btn-soft:hover { box-shadow: var(--shadow-soft); }
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--primary);
  border-radius: 20px;
  transition: transform .2s ease, opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.section { padding: clamp(58px, 8vw, 96px) 0; }
.section.compact { padding-top: 20px; }
.surface {
  background: linear-gradient(180deg, rgba(77,44,201,.04), rgba(255,139,34,.05));
  border-block: 1px solid rgba(77,44,201,.08);
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(56px, 7vw, 92px);
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(122deg, transparent 0 50%, rgba(77,44,201,.08) 50% 100%),
    radial-gradient(circle at 15% 75%, rgba(255,139,34,.14), transparent 22rem),
    radial-gradient(circle at 88% 22%, rgba(29,115,248,.08), transparent 16rem);
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr);
  align-items: center;
  gap: clamp(28px, 5vw, 62px);
}
.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--primary);
  font-weight: 950;
  letter-spacing: -.01em;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.72);
}
.eyebrow span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(255,139,34,.14);
}
h1, h2, h3 { color: var(--ink); margin-top: 0; letter-spacing: -.035em; }
h1 {
  max-width: 820px;
  margin-bottom: 20px;
  font-size: clamp(2.35rem, 5vw, 4.7rem);
  line-height: 1.14;
}
h2 { font-size: clamp(1.65rem, 3.1vw, 3rem); line-height: 1.35; }
h3 { font-size: 1.18rem; line-height: 1.45; }
p { color: var(--muted); margin-top: 0; }
.hero-text {
  max-width: 760px;
  font-size: 1.08rem;
  margin-bottom: 0;
}
.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.hero-pills,
.social-icons,
.mini-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-pills {
  margin-top: 24px;
}
.hero-pills span,
.social-icons span {
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--primary);
  background: var(--surface-soft);
  border: 1px solid rgba(77,44,201,.10);
  font-weight: 850;
  font-size: .95rem;
}
.mini-facts {
  margin-top: 22px;
}
.fact-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 170px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(77,44,201,.1);
  box-shadow: var(--shadow-soft);
}
.fact-chip strong {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 1rem;
  direction: ltr;
}
.fact-chip span { color: var(--ink); font-weight: 850; }
.hero-card {
  position: relative;
  border: 1px solid rgba(77,44,201,.14);
  border-radius: 38px;
  background:
    radial-gradient(circle at 14% 14%, rgba(255,139,34,.16), transparent 12rem),
    linear-gradient(145deg, #fff, #f4efff);
  box-shadow: var(--shadow);
  padding: clamp(24px, 4vw, 38px);
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 30px;
  border: 1px dashed rgba(77,44,201,.16);
  pointer-events: none;
}
.promo-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: start;
}
.logo-card {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 230px;
  border-radius: 30px;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(77,44,201,.10);
}
.logo-card img { width: min(260px, 72%); }
.registration-badge {
  display: grid;
  gap: 2px;
  padding: 16px 18px;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 18px 34px rgba(77,44,201,.26);
  text-align: center;
}
.registration-badge strong { font-size: 1.1rem; }
.registration-badge span { font-size: 1.8rem; font-weight: 900; }
.path-grid {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}
.path-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(77,44,201,.12);
  border-radius: 20px;
  background: rgba(255,255,255,.78);
  box-shadow: 0 10px 26px rgba(45,25,55,.08);
}
.path-item strong {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 13px;
  color: #fff;
  background: var(--primary);
  flex: 0 0 auto;
}
.path-item span { color: var(--ink); font-weight: 850; }

.summary-grid,
.feature-grid,
.registration-grid,
.two-column,
.mode-grid,
.department-grid,
.strip-grid {
  display: grid;
  gap: 18px;
}
.summary-grid { grid-template-columns: repeat(3, 1fr); }
.summary-card,
.feature,
.contact-card,
.faq-item,
.method-item,
.steps,
.mode-card,
.department-card,
.social-card,
.strip-item {
  border: 1px solid rgba(77,44,201,.12);
  background: rgba(255,255,255,.84);
  box-shadow: var(--shadow-soft);
}
.summary-card {
  min-height: 220px;
  border-radius: 26px;
  padding: 24px;
}
.summary-card h2 { font-size: 1.2rem; margin-bottom: 8px; }
.summary-icon,
.card-icon,
.dept-icon {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  margin-bottom: 16px;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  direction: ltr;
  font-weight: 950;
}
.section-heading {
  max-width: 760px;
  text-align: center;
  margin: 0 auto 34px;
}
.section-heading.align-start { text-align: right; margin-inline: 0; }

.info-strip { padding-block: 10px 24px; }
.strip-grid {
  grid-template-columns: repeat(3, 1fr);
}
.strip-item {
  border-radius: 22px;
  padding: 18px 20px;
}
.strip-item strong {
  display: block;
  margin-bottom: 6px;
  color: var(--primary);
  font-size: .95rem;
}
.strip-item span,
.strip-item a { color: var(--ink); font-weight: 800; }

.department-grid {
  grid-template-columns: repeat(2, 1fr);
  align-items: stretch;
}
.department-card {
  padding: 26px;
  border-radius: 28px;
  position: relative;
  overflow: hidden;
}
.department-card::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.dept-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  margin-bottom: 16px;
}
.dept-head p { margin-bottom: 0; }
.course-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.course-list li {
  position: relative;
  padding: 10px 14px 10px 8px;
  border-radius: 16px;
  background: rgba(255,255,255,.76);
  border: 1px solid rgba(77,44,201,.10);
  color: var(--ink);
  font-weight: 800;
}
.course-list li::before {
  content: "•";
  color: var(--accent);
  font-size: 1.2rem;
  margin-inline-start: 6px;
}
.accent-orange .dept-icon,
.accent-orange::after { background: linear-gradient(135deg, #ff9e1a, #ff6e1a); }
.accent-pink .dept-icon,
.accent-pink::after { background: linear-gradient(135deg, #ff3ba7, #ff6d3a); }
.accent-purple .dept-icon,
.accent-purple::after { background: linear-gradient(135deg, #8054ff, #4d2cc9); }
.accent-red .dept-icon,
.accent-red::after { background: linear-gradient(135deg, #ff6b3a, #ff3a3a); }
.accent-blue .dept-icon,
.accent-blue::after { background: linear-gradient(135deg, #2e90ff, #0e5ee7); }

.mode-grid { grid-template-columns: repeat(3, 1fr); }
.mode-card {
  border-radius: 28px;
  padding: 26px;
}
.mode-badge {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(77,44,201,.12), rgba(255,139,34,.16));
  color: var(--primary);
  font-weight: 950;
  margin-bottom: 14px;
}

.two-column { grid-template-columns: .86fr 1.14fr; align-items: start; gap: clamp(24px, 5vw, 58px); }
.method-list { display: grid; gap: 14px; }
.method-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px;
  border-radius: 24px;
}
.method-item span {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  color: var(--primary);
  background: var(--surface-soft);
  font-weight: 950;
  direction: ltr;
}
.method-item h3 { margin-bottom: 4px; }
.method-item p { margin-bottom: 0; }

.registration-grid { grid-template-columns: .88fr 1.12fr; align-items: center; gap: clamp(24px, 5vw, 54px); }
.steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  border-radius: 32px;
  padding: 18px;
}
.step {
  display: flex;
  gap: 12px;
  align-items: center;
  min-height: 94px;
  padding: 16px;
  border-radius: 22px;
  background: linear-gradient(145deg, #fff, #fbf5fd);
  border: 1px solid rgba(77,44,201,.10);
}
.step span {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  color: #fff;
  background: var(--accent);
  font-weight: 950;
  flex: 0 0 auto;
}
.step p { color: var(--ink); margin-bottom: 0; font-weight: 850; }

.faq-wrap { max-width: 900px; }
.faq-list { display: grid; gap: 12px; }
.faq-item {
  border-radius: 22px;
  padding: 0;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  color: var(--ink);
  font-weight: 950;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: left;
  color: var(--primary);
  font-size: 1.4rem;
  line-height: 1;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 22px 20px; margin: 0; }

.social-section { padding-top: 10px; }
.social-card,
.contact-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  border-radius: 34px;
  padding: clamp(26px, 5vw, 48px);
  background:
    radial-gradient(circle at 12% 18%, rgba(255,139,34,.18), transparent 18rem),
    linear-gradient(135deg, #fff, #f4efff);
}
.social-card h2,
.contact-card h2 { margin-bottom: 12px; }
.social-icons { justify-content: flex-end; }
.contact-actions { margin-top: 0; justify-content: flex-end; }
.contact-section { padding-top: 20px; }

.footer {
  padding: 28px 0;
  border-top: 1px solid rgba(77,44,201,.10);
  background: #fff;
}
.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-brand { width: 132px; }
.footer-copy { display: grid; gap: 2px; color: var(--muted); }
.footer-copy strong { color: var(--ink); }
.footer-links { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.footer-links a {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--primary);
  font-weight: 850;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .header-cta { display: none; }
  .hero-grid,
  .two-column,
  .registration-grid,
  .strip-grid,
  .department-grid,
  .mode-grid,
  .social-card,
  .contact-card { grid-template-columns: 1fr; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading.align-start { max-width: 760px; }
  .hero-card { max-width: 640px; margin-inline: auto; width: 100%; }
}

@media (max-width: 760px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .nav-shell { min-height: 76px; }
  .brand { width: 140px; }
  .brand img { width: 128px; }
  .menu-toggle { display: inline-block; }
  .main-nav {
    position: fixed;
    top: 76px;
    right: 14px;
    left: 14px;
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255,255,255,.96);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all .22s var(--ease);
  }
  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .main-nav a { padding: 12px 14px; }
  .summary-grid,
  .department-grid,
  .mode-grid,
  .steps,
  .social-card,
  .contact-card,
  .strip-grid { grid-template-columns: 1fr; }
  .hero-actions .btn,
  .contact-actions .btn { width: 100%; }
  .contact-actions,
  .social-icons { width: 100%; justify-content: flex-start; }
  .logo-card { min-height: 200px; }
  .promo-top { grid-template-columns: 1fr; }
  .mini-facts { display: grid; grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.05rem, 10vw, 3rem); }
}

@media (max-width: 440px) {
  .hero-card,
  .contact-card,
  .social-card { border-radius: 26px; }
  .method-item,
  .dept-head { grid-template-columns: 1fr; }
  .method-item span { width: 48px; height: 48px; }
  .footer-grid { justify-content: center; text-align: center; }
  .footer-copy { width: 100%; }
  .fact-chip { min-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}