/*
  فایل‌های فونت وزیر را در مسیر زیر قرار دهید:
  ./assets/fonts/Vazir.woff2
  ./assets/fonts/Vazir-Bold.woff2

  تصاویر مدرس:
  ./assets/images/instructor-main.jpg
  ./assets/images/instructor-1.jpg
  ./assets/images/instructor-2.jpg
  ./assets/images/instructor-3.jpg
*/

@font-face {
  font-family: 'Vazir';
  src: url('../fonts/Vazir.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazir';
  src: url('../fonts/Vazir-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #07111f;
  --bg-2: #0d1b2f;
  --surface: rgba(255,255,255,0.08);
  --surface-2: rgba(255,255,255,0.12);
  --stroke: rgba(255,255,255,0.14);
  --text: #f5f8ff;
  --muted: #d2ddf7;
  --primary: #6c7cff;
  --secondary: #20d3c2;
  --accent: #ff9f68;
  --accent-2: #ffd96b;
  --danger: #ff6f91;
  --shadow: 0 18px 50px rgba(0,0,0,0.28);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max: 1240px;
}

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

body {
  margin: 0;
  font-family: 'Vazir', Tahoma, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(108,124,255,0.30), transparent 28%),
    radial-gradient(circle at 20% 20%, rgba(32,211,194,0.18), transparent 25%),
    radial-gradient(circle at 80% 0%, rgba(255,159,104,0.20), transparent 22%),
    linear-gradient(180deg, #06101d 0%, #081423 36%, #0a1628 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: -1;
  filter: blur(8px);
}

body::before {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -80px;
  background: radial-gradient(circle, rgba(108,124,255,0.22), transparent 70%);
}

body::after {
  width: 380px;
  height: 380px;
  bottom: -100px;
  left: -80px;
  background: radial-gradient(circle, rgba(32,211,194,0.20), transparent 70%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(calc(100% - 32px), var(--max));
  margin-inline: auto;
}

.glass {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.05));
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.7), transparent 92%);
  opacity: 0.38;
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7,17,31,0.72);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  position: relative;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 12px 24px rgba(108,124,255,0.28);
  overflow: hidden;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1.5px solid rgba(255,255,255,0.8);
  border-radius: 10px;
}

.brand-mark::after {
  inset: 14px;
  border-radius: 7px;
  opacity: 0.55;
}

.brand small {
  display: block;
  color: var(--muted);
  font-weight: 400;
  font-size: 0.82rem;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-links a {
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  transition: 0.25s ease;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: white;
  background: rgba(255,255,255,0.07);
}

.cta-btn,
.hero-actions a,
.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 14px 22px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  transition: transform 0.24s ease, box-shadow 0.24s ease, opacity 0.24s ease;
}

.cta-primary {
  background: linear-gradient(135deg, var(--primary), #8e72ff);
  color: #fff;
  box-shadow: 0 16px 30px rgba(108,124,255,0.34);
}

.cta-secondary {
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.06));
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
}

.cta-btn:hover,
.hero-actions a:hover,
.submit-btn:hover {
  transform: translateY(-2px);
}

.hero {
  position: relative;
  padding: 60px 0 26px;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 30px;
  align-items: stretch;
}

.hero-copy,
.hero-card {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 34px;
}

.hero-copy {
  min-height: 610px;
  overflow: hidden;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  font-size: 0.92rem;
  margin-bottom: 20px;
}

.eyebrow-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(32,211,194,0.12);
}

h1, h2, h3 { margin: 0; }

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  line-height: 1.15;
  letter-spacing: -1.3px;
  max-width: 760px;
}

.hero-highlight {
  display: inline;
  background: linear-gradient(135deg, var(--accent-2), var(--accent), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 2.05;
  margin: 22px 0 28px;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.stat-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
}

.stat-card strong {
  display: block;
  font-size: 1.18rem;
  margin-bottom: 6px;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

.hero-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 16px;
  min-height: 610px;
  overflow: hidden;
}

.floating-chip-wrap {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.floating-chip {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.11);
  background: rgba(255,255,255,0.07);
}

.dashboard {
  position: relative;
  border-radius: 28px;
  padding: 22px;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.08), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.12);
  min-height: 310px;
  overflow: hidden;
}

.dashboard::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108,124,255,0.10), transparent 35%, rgba(32,211,194,0.08));
  pointer-events: none;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ff6f91; }
.dot-yellow { background: #ffd96b; }
.dot-green { background: #20d3c2; }

.terminal-window {
  font-family: Consolas, monospace;
  background: rgba(7,17,31,0.84);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 18px;
  font-size: 0.88rem;
  color: #c9f8ee;
  line-height: 2;
  min-height: 208px;
  overflow: auto;
}

.mini-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.mini-panel {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
}

.mini-panel h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.mini-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.9;
}

.section {
  padding: 56px 0;
}

.section-header {
  text-align: center;
  max-width: 880px;
  margin: 0 auto 28px;
}

.section-header .tag,
.tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  font-size: 0.88rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.25;
  letter-spacing: -0.8px;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--muted);
  line-height: 2;
  font-size: 1rem;
  margin: 0;
}

.cards-3,
.cards-4,
.timeline,
.mentor-grid,
.use-cases,
.features-grid,
.faq-grid {
  display: grid;
  gap: 18px;
}

.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.timeline { grid-template-columns: repeat(2, 1fr); }
.mentor-grid { grid-template-columns: 1fr; align-items: start; }
.use-cases { grid-template-columns: repeat(3, 1fr); }
.features-grid { grid-template-columns: repeat(2, 1fr); }
.faq-grid { grid-template-columns: repeat(2, 1fr); }

.card,
.feature-card,
.timeline-card,
.faq-item,
.mentor-card,
.about-card,
.use-case {
  position: relative;
  border-radius: 26px;
  padding: 24px;
}

.card::before,
.feature-card::before,
.timeline-card::before,
.faq-item::before,
.mentor-card::before,
.about-card::before,
.use-case::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.16), rgba(255,255,255,0.02));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  background: linear-gradient(135deg, rgba(108,124,255,0.28), rgba(32,211,194,0.22));
  border: 1px solid rgba(255,255,255,0.12);
}

.icon-shape {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  border: 2px solid rgba(255,255,255,0.9);
  position: relative;
}

.icon-shape::before,
.icon-shape::after {
  content: "";
  position: absolute;
  background: rgba(255,255,255,0.9);
}

.icon-chip::before {
  width: 14px;
  height: 2px;
  top: 11px;
  left: 3px;
}

.icon-code::before {
  width: 8px;
  height: 2px;
  transform: rotate(45deg);
  left: 2px;
  top: 9px;
}

.icon-code::after {
  width: 8px;
  height: 2px;
  transform: rotate(-45deg);
  right: 2px;
  top: 13px;
}

.icon-rocket::before {
  width: 2px;
  height: 12px;
  left: 11px;
  top: 3px;
}

.icon-rocket::after {
  width: 10px;
  height: 2px;
  left: 6px;
  top: 10px;
}

.card h3,
.feature-card h3,
.timeline-card h3,
.use-case h3,
.faq-item h3,
.about-card h3,
.mentor-card h3 {
  font-size: 1.12rem;
  margin-bottom: 10px;
}

.card p,
.feature-card p,
.timeline-card p,
.use-case p,
.faq-item p,
.about-card p,
.mentor-card p,
.mentor-bio,
.contact-list,
.curriculum-list,
.bullet-list {
  color: var(--muted);
  line-height: 2;
  font-size: 0.96rem;
  margin: 0;
}

.bullet-list,
.contact-list,
.curriculum-list,
.benefit-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}

.bullet-list li,
.contact-list li,
.curriculum-list li,
.benefit-list li {
  position: relative;
  padding-right: 22px;
  margin-bottom: 10px;
  color: var(--muted);
  line-height: 1.9;
}

.bullet-list li::before,
.contact-list li::before,
.curriculum-list li::before,
.benefit-list li::before {
  content: "";
  position: absolute;
  right: 0;
  top: 11px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(32,211,194,0.08);
}

.about-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.timeline-card {
  min-height: 236px;
}

.timeline-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(108,124,255,0.28), rgba(255,159,104,0.22));
  border: 1px solid rgba(255,255,255,0.12);
  font-weight: 700;
  margin-bottom: 12px;
}

.mentor-card {
  overflow: hidden;
}

.mentor-top {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 18px;
  align-items: stretch;
}

.image-slot-main,
.gallery-tile {
  position: relative;
  min-height: 100%;
  border-radius: 24px;
  overflow: hidden;
  border: 1px dashed rgba(255,255,255,0.2);
  background:
    radial-gradient(circle at 20% 20%, rgba(108,124,255,0.20), transparent 26%),
    radial-gradient(circle at 80% 18%, rgba(255,159,104,0.20), transparent 25%),
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  isolation: isolate;
}

.image-slot-main img,
.gallery-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slot-overlay {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  padding: 20px;
  background: linear-gradient(180deg, rgba(7,17,31,0.1), rgba(7,17,31,0.35));
  z-index: 1;
}

.fallback-slot {
  display: grid;
}

.slot-label {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(7,17,31,0.6);
  border: 1px solid rgba(255,255,255,0.14);
  color: #fff;
  font-size: 0.92rem;
  line-height: 1.8;
}

.mentor-content h2 {
  font-size: clamp(1.8rem, 2.8vw, 2.8rem);
  line-height: 1.25;
  margin-bottom: 10px;
}

.mentor-name {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.mentor-name strong {
  font-size: 1.2rem;
}

.mentor-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  font-size: 0.86rem;
}

.mentor-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.gallery-tile {
  min-height: 185px;
}

.highlight-strip {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.highlight-item {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.11);
}

.highlight-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.highlight-item span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

.register-panel {
  position: relative;
  padding: 34px;
  border-radius: 32px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
}

.register-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,217,107,0.18), transparent 24%),
    radial-gradient(circle at 80% 18%, rgba(108,124,255,0.18), transparent 30%),
    linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  pointer-events: none;
}

.register-copy,
.register-side {
  position: relative;
  z-index: 1;
}

.register-copy h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.3;
  margin-bottom: 12px;
}

.register-copy p {
  color: var(--muted);
  line-height: 2;
  margin-bottom: 18px;
}

.register-box {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
}

.register-box .contact-list li {
  margin-bottom: 12px;
}

.site-footer {
  padding: 18px 0 34px;
  color: rgba(255,255,255,0.72);
  font-size: 0.95rem;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.muted-link {
  color: #fff;
  opacity: 0.88;
}

@media (max-width: 1100px) {
  .hero-inner,
  .mentor-grid,
  .register-panel,
  .mentor-top,
  .about-split {
    grid-template-columns: 1fr;
  }

  .cards-4,
  .cards-3,
  .use-cases,
  .timeline,
  .features-grid,
  .faq-grid,
  .hero-stats,
  .highlight-strip,
  .mini-panels {
    grid-template-columns: 1fr 1fr;
  }

  .hero-copy,
  .hero-card {
    min-height: unset;
  }
}

@media (max-width: 760px) {
  .nav {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 0;
  }

  .nav-links {
    justify-content: space-between;
  }

  .hero-copy,
  .hero-card,
  .card,
  .feature-card,
  .timeline-card,
  .faq-item,
  .mentor-card,
  .about-card,
  .register-panel {
    padding: 20px;
    border-radius: 22px;
  }

  .cards-4,
  .cards-3,
  .use-cases,
  .timeline,
  .features-grid,
  .faq-grid,
  .hero-stats,
  .highlight-strip,
  .mini-panels,
  .mentor-gallery {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 42px 0;
  }

  .hero {
    padding-top: 26px;
  }

  .hero p {
    font-size: 1rem;
  }
}