@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

@keyframes pageFadeIn {
  
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes logoPulse {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.06); }
  60%  { transform: scale(0.97); }
  100% { transform: scale(1); }
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

.count-up { display: inline-block; }

.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.page-loader-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .75s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:root {
  --blue:          #1A56DB;
  --blue-dark:     #1440B3;
  --blue-mid:      #2563EB;
  --blue-light:    #EFF6FF;
  --blue-xlight:   #DBEAFE;
  --teal:          #0D9488;
  --teal-light:    #F0FDFA;
  --amber:         #D97706;
  --amber-light:   #FFFBEB;
  --red:           #DC2626;
  --red-light:     #FEF2F2;
  --green:         #059669;
  --green-light:   #ECFDF5;
  --text:          #0F172A;
  --text-2:        #1E293B;
  --text-3:        #475569;
  --text-4:        #94A3B8;
  --bg:            #FFFFFF;
  --bg-soft:       #F8FAFC;
  --bg-muted:      #F1F5F9;
  --border:        #E2E8F0;
  --border-light:  #F1F5F9;
  --shadow-xs:     0 1px 2px rgba(0,0,0,.05);
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow:        0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-md:     0 8px 24px rgba(0,0,0,.1), 0 4px 8px rgba(0,0,0,.04);
  --shadow-lg:     0 20px 48px rgba(0,0,0,.12), 0 8px 16px rgba(0,0,0,.06);
  --shadow-blue:   0 8px 24px rgba(26,86,219,.25);
  --r-sm:          6px;
  --r:             10px;
  --r-md:          14px;
  --r-lg:          20px;
  --r-xl:          28px;
  --r-full:        9999px;
  --transition:    0.2s ease;
  --transition-md: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; animation: pageFadeIn 0.4s ease forwards; }
h1,h2,h3,h4,h5,h6 { font-family: 'Poppins', sans-serif; font-weight: 700; line-height: 1.2; color: var(--text); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; font-family: inherit; background: none; }
input, textarea, select { font-family: inherit; }
svg { display: inline-block; vertical-align: middle; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section-sm { padding: 3.5rem 0; }
.section-alt { background: var(--bg-soft); }
.text-center { text-align: center; }
.hidden { display: none !important; }

.label { display: inline-flex; align-items: center; gap: .4rem; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); background: var(--blue-light); border: 1px solid var(--blue-xlight); padding: .3rem .8rem; border-radius: var(--r-full); margin-bottom: 1rem; }
.section-title { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 800; color: var(--text); margin-bottom: .75rem; letter-spacing: -.02em; }
.section-sub { font-size: 1.05rem; color: var(--text-3); line-height: 1.7; max-width: 580px; }
.section-header-center { text-align: center; margin-bottom: 3.5rem; }
.section-header-center .section-sub { margin: 0 auto; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .65rem 1.5rem; border-radius: var(--r);
  font-size: .9rem; font-weight: 600;
  transition: background 0.25s ease, border-color 0.25s ease,
              box-shadow 0.25s ease, transform 0.15s ease,
              color 0.25s ease;
  white-space: nowrap; cursor: pointer; border: 2px solid transparent; line-height: 1;
  position: relative; overflow: hidden;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
  color: #fff; border-color: var(--blue);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  border-color: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26,86,219,.35);
}
.btn-primary:active { transform: translateY(0) scale(0.98); box-shadow: none; }

.btn-outline { background: transparent; color: var(--blue); border-color: var(--blue); }
.btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
  z-index: -1;
}
.btn-outline:hover { color: #fff; }
.btn-outline:hover::before { transform: scaleX(1); }
.btn-outline:active { transform: scale(0.98); }

.btn-ghost { background: var(--bg-muted); color: var(--text-2); border-color: transparent; }
.btn-ghost:hover { background: var(--border); color: var(--text); box-shadow: var(--shadow-xs); }
.btn-ghost:active { transform: scale(0.98); }

.btn-white { background: #fff; color: var(--blue); border-color: transparent; }
.btn-white:hover { background: var(--blue-light); box-shadow: 0 4px 14px rgba(26,86,219,.18); transform: translateY(-1px); }
.btn-white:active { transform: scale(0.98); }

.btn-outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-outline-white:hover { background: rgba(255,255,255,.15); border-color: #fff; box-shadow: 0 4px 14px rgba(255,255,255,.12); }

.btn-teal { background: var(--teal); color: #fff; border-color: var(--teal); }
.btn-teal:hover { background: #0b7a70; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(13,148,136,.3); }
.btn-teal:active { transform: scale(0.98); }

.btn-sm { padding: .45rem 1rem; font-size: .82rem; }
.btn-lg { padding: .85rem 2rem; font-size: 1rem; border-radius: var(--r-md); }
.btn-xl { padding: 1rem 2.5rem; font-size: 1.05rem; border-radius: var(--r-md); }
.btn-block { width: 100%; }

.btn-loading { pointer-events: none; opacity: .8; }
.btn-loading::after {
  content: '';
  width: 14px; height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin .65s linear infinite;
  flex-shrink: 0;
  display: inline-block;
}

.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.98);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(20px);
  transition: all var(--transition);
}
.navbar.scrolled {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,.92);
}
.navbar-inner { display: flex; align-items: center; height: 68px; gap: 2.5rem; }
.nav-logo { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }
.nav-logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%); border-radius: var(--r); display: flex; align-items: center; justify-content: center; flex-shrink: 0; box-shadow: 0 4px 12px rgba(26,86,219,.3); }
.nav-logo-icon svg { color: #fff; }
.nav-logo-text { font-family: 'Poppins', sans-serif; line-height: 1.1; }
.nav-logo-text strong { font-size: 1.05rem; font-weight: 800; color: var(--text); display: block; }
.nav-logo-text strong span { color: var(--blue); }
.nav-logo-text small { font-size: .58rem; font-weight: 500; color: var(--text-4); text-transform: uppercase; letter-spacing: .08em; }
.nav-links { display: flex; align-items: center; gap: .25rem; flex: 1; }
.nav-links a {
  font-size: .88rem; font-weight: 500; color: var(--text-3);
  padding: .45rem .8rem; border-radius: var(--r-sm);
  transition: all var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transition: left 0.25s ease, right 0.25s ease;
}
.nav-links a:hover { color: var(--text); background: var(--bg-muted); }
.nav-links a:hover::after { left: .8rem; right: .8rem; }
.nav-links a.active { color: var(--blue); font-weight: 600; }
.nav-links a.active::after { left: .8rem; right: .8rem; }

.nav-logo-icon, .logo-icon {
  animation: logoPulse 0.7s ease 0.5s both;
}
.nav-actions { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }
.nav-user-btn { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--teal)); display: flex; align-items: center; justify-content: center; font-size: .72rem; font-weight: 700; color: #fff; cursor: pointer; font-family: 'Poppins', sans-serif; border: 2px solid var(--bg); box-shadow: var(--shadow-sm); transition: transform var(--transition); }
.nav-user-btn:hover { transform: scale(1.05); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: .4rem; border-radius: var(--r-sm); transition: background var(--transition); }
.hamburger:hover { background: var(--bg-muted); }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition-md); }

.navbar .container { display: flex; align-items: center; height: 68px; gap: 2rem; }
.navbar-brand { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }
.navbar-logo { display: flex; align-items: center; gap: .6rem; }
.logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, var(--blue), var(--blue-mid)); border-radius: var(--r); display: flex; align-items: center; justify-content: center; flex-shrink: 0; box-shadow: 0 4px 12px rgba(26,86,219,.3); }
.logo-icon svg { color: #fff; width: 20px; height: 20px; }
.logo-text { font-family: 'Poppins', sans-serif; font-size: 1.05rem; font-weight: 800; color: var(--text); }
.logo-text span { color: var(--blue); }
.logo-sub, .logo-tagline { font-size: .58rem; font-weight: 500; color: var(--text-4); display: block; text-transform: uppercase; letter-spacing: .08em; line-height: 1; }
.navbar-nav { display: flex; align-items: center; gap: .25rem; flex: 1; }
.navbar-nav li a, .navbar-nav .nav-link {
  font-size: .88rem; font-weight: 500; color: var(--text-3);
  padding: .45rem .8rem; border-radius: var(--r-sm);
  transition: all var(--transition); display: block;
  position: relative;
}
.navbar-nav li a::after, .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transition: left 0.25s ease, right 0.25s ease;
}
.navbar-nav li a:hover, .navbar-nav .nav-link:hover { color: var(--text); background: var(--bg-muted); }
.navbar-nav li a:hover::after, .navbar-nav .nav-link:hover::after { left: .8rem; right: .8rem; }
.navbar-nav .nav-link.active, .navbar-nav li a.active { color: var(--blue); font-weight: 600; }
.navbar-nav .nav-link.active::after, .navbar-nav li a.active::after { left: .8rem; right: .8rem; }
.navbar-actions { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }
.navbar-user { display: flex; align-items: center; }
.user-avatar-sm { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--teal)); display: flex; align-items: center; justify-content: center; font-size: .72rem; font-weight: 700; color: #fff; cursor: pointer; font-family: 'Poppins', sans-serif; }
.navbar-toggle { display: none; flex-direction: column; gap: 5px; padding: .4rem; }
.navbar-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

@media (max-width: 768px) {
  .nav-links, .navbar-nav { display: none; }
  .nav-links.open, .navbar-nav.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 66px; left: 12px; right: 12px;
    background: #fff; border: 1px solid var(--border); border-radius: 16px;
    padding: .5rem; gap: .15rem;
    box-shadow: 0 16px 40px rgba(15, 23, 42, .16);
    z-index: 999; transform-origin: top center;
    animation: navDrop .3s cubic-bezier(.16, 1, .3, 1);
  }
  .nav-links.open a, .navbar-nav.open a {
    padding: .9rem 1rem; border-radius: 11px;
    font-size: 1rem; font-weight: 500; color: var(--text-2);
    opacity: 0; animation: navItem .42s ease forwards;
    transition: background .18s ease, color .18s ease, padding-left .18s ease;
  }
  .nav-links.open a::after, .navbar-nav.open a::after { display: none; }
  .nav-links.open a:hover, .navbar-nav.open a:hover { background: var(--bg-muted); color: var(--text); padding-left: 1.35rem; }
  .nav-links.open a.active, .navbar-nav.open a.active { background: var(--blue-light); color: var(--blue); font-weight: 600; }
  .nav-links.open a:nth-child(1), .navbar-nav.open a:nth-child(1) { animation-delay: .03s; }
  .nav-links.open a:nth-child(2), .navbar-nav.open a:nth-child(2) { animation-delay: .08s; }
  .nav-links.open a:nth-child(3), .navbar-nav.open a:nth-child(3) { animation-delay: .13s; }
  .nav-links.open a:nth-child(4), .navbar-nav.open a:nth-child(4) { animation-delay: .18s; }
  .nav-links.open a:nth-child(5), .navbar-nav.open a:nth-child(5) { animation-delay: .23s; }
  .hamburger, .navbar-toggle { display: flex; margin-left: auto; }
  
  .navbar .nav-actions #loginBtn,
  .navbar .nav-actions #startBtn { display: none; }
  .navbar .nav-actions { flex: 0 0 auto; }
  .navbar-inner { gap: .5rem; }
}

@keyframes navDrop {
  from { opacity: 0; transform: translateY(-10px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes navItem {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}
@media (prefers-reduced-motion: reduce) {
  .nav-links.open, .navbar-nav.open { animation: none; }
  .nav-links.open a, .navbar-nav.open a { animation: none; opacity: 1; }
}

.hero {
  padding: 9rem 0 5.5rem;
  background: linear-gradient(160deg, var(--bg-soft) 0%, #EEF4FF 55%, var(--bg) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(26,86,219,.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(13,148,136,.05) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; position: relative; z-index: 1; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: .5rem; background: #fff; border: 1px solid var(--border); padding: .35rem 1rem; border-radius: var(--r-full); font-size: .78rem; font-weight: 600; color: var(--text-2); box-shadow: var(--shadow-xs); margin-bottom: 1.5rem; }
.hero-eyebrow .dot {
  width: 7px; height: 7px; background: var(--teal); border-radius: 50%;
  animation: pulse 2s infinite;
  position: relative;
}
.hero-eyebrow .dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.35;
  animation: dotRing 2s ease infinite;
}
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:.6; transform:scale(1.3); } }
@keyframes dotRing { 0% { transform: scale(1); opacity: 0.4; } 100% { transform: scale(2.4); opacity: 0; } }

.hero h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 800; letter-spacing: -.03em; margin-bottom: 1.25rem; line-height: 1.15; }
.hero h1 em { color: var(--blue); font-style: normal; }
.hero-sub { font-size: 1.08rem; color: var(--text-3); line-height: 1.75; margin-bottom: 2rem; max-width: 480px; }
.hero-actions { display: flex; gap: .85rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero-trust { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.hero-trust-item { display: flex; align-items: center; gap: .4rem; font-size: .82rem; font-weight: 500; color: var(--text-3); }
.hero-trust-item svg { color: var(--teal); flex-shrink: 0; }
.hero-trust-sep { width: 1px; height: 14px; background: var(--border); }
.hero-img-col { position: relative; }
.hero-img-wrap {
  border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 4/3;
  animation: heroFloat 5s ease-in-out infinite;
}
.hero-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero-img-overlay { position: absolute; bottom: 1.5rem; left: -1rem; background: #fff; border-radius: var(--r-md); padding: 1rem 1.2rem; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: .75rem; max-width: 220px; }
.hero-img-overlay-icon { width: 40px; height: 40px; background: var(--blue-light); border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.hero-img-overlay-icon svg { color: var(--blue); }
.hero-img-overlay strong { font-size: .82rem; font-weight: 700; display: block; color: var(--text); }
.hero-img-overlay span { font-size: .72rem; color: var(--text-3); }
.hero-stats { display: flex; gap: 2rem; padding-top: 2rem; margin-top: 2rem; border-top: 1px solid var(--border); }
.hero-stat strong { font-size: 1.5rem; font-weight: 800; color: var(--blue); display: block; font-family: 'Poppins', sans-serif; letter-spacing: -.02em; }
.hero-stat span { font-size: .76rem; color: var(--text-3); }

.trust-bar { background: var(--bg-muted); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 1.1rem 0; }
.trust-inner { display: flex; align-items: center; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: .5rem; font-size: .8rem; font-weight: 600; color: var(--text-3); }
.trust-item svg { color: var(--teal); flex-shrink: 0; }

.page-header { padding: 7.5rem 0 2.5rem; background: linear-gradient(160deg, var(--bg-soft) 0%, #EEF4FF 100%); border-bottom: 1px solid var(--border); }
.breadcrumb { display: flex; align-items: center; gap: .5rem; font-size: .78rem; color: var(--text-4); margin-bottom: .75rem; }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb svg { width: 12px; height: 12px; color: var(--text-4); }

.cats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.cat-card {
  background: #fff; border: 1.5px solid var(--border); border-radius: var(--r-md);
  padding: 1.4rem 1.2rem; display: flex; align-items: center; gap: 1rem;
  cursor: pointer; transition: all 0.25s ease;
}
.cat-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  background: var(--blue-light);
}
.cat-card:hover .cat-icon { background: var(--blue); transform: rotate(-6deg) scale(1.1); }
.cat-card:hover .cat-icon svg { color: #fff; }
.cat-icon {
  width: 46px; height: 46px; border-radius: var(--r-sm); background: var(--bg-muted);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: background 0.25s ease, transform 0.25s ease;
}
.cat-icon svg { color: var(--blue); width: 22px; height: 22px; }
.cat-name { font-weight: 700; font-size: .88rem; color: var(--text); }
.cat-count { font-size: .74rem; color: var(--text-4); margin-top: .15rem; }

.courses-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.course-card {
  background: #fff; border: 1.5px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; transition: all var(--transition-md); display: flex;
  flex-direction: column; cursor: pointer;
}
.course-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--blue-xlight);
}
.course-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--bg-muted); }
.course-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.course-card:hover .course-thumb img { transform: scale(1.06); }

.course-thumb::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(15,23,42,.45) 0%, transparent 100%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.course-card:hover .course-thumb::after { opacity: 1; }
.course-thumb-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.cppd-badge { position: absolute; top: 10px; left: 10px; background: var(--amber); color: #fff; padding: .22rem .65rem; border-radius: var(--r-sm); font-size: .68rem; font-weight: 700; letter-spacing: .03em; display: flex; align-items: center; gap: .3rem; }
.cppd-badge svg { width: 11px; height: 11px; }
.level-badge { position: absolute; top: 10px; right: 10px; background: rgba(15,23,42,.65); color: #fff; backdrop-filter: blur(6px); padding: .22rem .65rem; border-radius: var(--r-sm); font-size: .68rem; font-weight: 600; }
.course-body { padding: 1.2rem; flex: 1; display: flex; flex-direction: column; }
.course-cat { font-size: .7rem; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: .08em; margin-bottom: .4rem; }
.course-title { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: .95rem; color: var(--text); margin-bottom: .6rem; line-height: 1.4; flex: 1; }
.course-teacher { display: flex; align-items: center; gap: .5rem; margin-bottom: .7rem; }
.teacher-ava { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--teal)); display: flex; align-items: center; justify-content: center; font-size: .62rem; font-weight: 700; color: #fff; flex-shrink: 0; font-family: 'Poppins', sans-serif; }
.course-teacher span { font-size: .78rem; color: var(--text-3); font-weight: 600; }
.course-provider-logo { height: 22px; width: auto; flex-shrink: 0; }

.course-provider-mark { width: 30px; height: 30px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; background: var(--blue-light); border: 1px solid var(--blue-xlight); border-radius: 8px; padding: 4px; }
.course-provider-mark img { width: 100%; height: 100%; object-fit: contain; }
.course-provider-text { display: flex; flex-direction: column; line-height: 1.2; }
.course-provider-text strong { font-size: .8rem; font-weight: 700; color: var(--text-2); }
.course-provider-text small { font-size: .68rem; color: var(--text-4); font-weight: 600; }
.course-meta { display: flex; align-items: center; gap: .6rem; font-size: .75rem; color: var(--text-3); margin-bottom: .9rem; flex-wrap: wrap; }
.course-meta svg { width: 13px; height: 13px; color: var(--text-4); flex-shrink: 0; }
.course-meta-item { display: flex; align-items: center; gap: .25rem; }
.stars { letter-spacing: .05em; font-size: .75rem; }
.star-filled { color: var(--amber); }
.star-empty { color: var(--border); }
.course-footer { display: flex; align-items: center; justify-content: space-between; padding-top: .85rem; border-top: 1px solid var(--border-light); margin-top: auto; }
.course-price { font-family: 'Poppins', sans-serif; font-size: 1.15rem; font-weight: 800; color: var(--text); letter-spacing: -.02em; }
.price-free { color: var(--teal); }

.thumb-bm  { background: linear-gradient(135deg, #1A56DB 0%, #2563EB 100%); }
.thumb-ld  { background: linear-gradient(135deg, #7C3AED 0%, #6D28D9 100%); }
.thumb-hr  { background: linear-gradient(135deg, #0D9488 0%, #0F766E 100%); }
.thumb-fi  { background: linear-gradient(135deg, #059669 0%, #047857 100%); }
.thumb-mk  { background: linear-gradient(135deg, #D97706 0%, #B45309 100%); }
.thumb-pm  { background: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%); }
.thumb-en  { background: linear-gradient(135deg, #EA580C 0%, #C2410C 100%); }
.thumb-sl  { background: linear-gradient(135deg, #0891B2 0%, #0E7490 100%); }
.thumb-label { color: rgba(255,255,255,.85); font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; }

.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.feature-card {
  background: #fff; border-radius: var(--r-lg); padding: 2rem 1.5rem;
  transition: all 0.3s ease; position: relative;
  
  border: 1.5px solid var(--border);
}
.feature-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  padding: 1.5px;
  background: linear-gradient(135deg, var(--blue), var(--teal), var(--blue));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.feature-card:hover::before { opacity: 1; }

.features-grid .feature-card:nth-child(1) { transition-delay: 0s; }
.features-grid .feature-card:nth-child(2) { transition-delay: 0.05s; }
.features-grid .feature-card:nth-child(3) { transition-delay: 0.1s; }
.features-grid .feature-card:nth-child(4) { transition-delay: 0.15s; }
.feature-icon { width: 52px; height: 52px; border-radius: var(--r); margin-bottom: 1.1rem; display: flex; align-items: center; justify-content: center; }
.feature-icon svg { width: 24px; height: 24px; }
.fi-blue  { background: var(--blue-light);  } .fi-blue  svg { color: var(--blue); }
.fi-teal  { background: var(--teal-light);  } .fi-teal  svg { color: var(--teal); }
.fi-amber { background: var(--amber-light); } .fi-amber svg { color: var(--amber); }
.fi-green { background: var(--green-light); } .fi-green svg { color: var(--green); }
.feature-card h3 { font-size: .95rem; font-weight: 700; margin-bottom: .4rem; color: var(--text); }
.feature-card p { font-size: .84rem; color: var(--text-3); line-height: 1.65; }

.stats-band {
  background: linear-gradient(135deg, #0F2A5E 0%, var(--blue) 60%, #1A56DB 100%);
  color: #fff; padding: 4rem 0; position: relative; overflow: hidden;
}
.stats-band::before { content: ''; position: absolute; top: -60px; right: -60px; width: 300px; height: 300px; background: rgba(255,255,255,.04); border-radius: 50%; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; position: relative; z-index: 1; }
.stat-number {
  font-family: 'Poppins', sans-serif; font-size: 2.5rem; font-weight: 800;
  letter-spacing: -.03em; line-height: 1;
  transition: transform 0.2s ease;
}
.stats-grid > div:hover .stat-number { transform: scale(1.06); }
.stat-label { font-size: .82rem; color: rgba(255,255,255,.7); margin-top: .5rem; font-weight: 500; }
.stat-divider {
  width: 32px; height: 3px; background: rgba(255,255,255,.2); border-radius: 2px; margin: .6rem auto 0;
  transition: width 0.3s ease, background 0.3s ease;
}
.stats-grid > div:hover .stat-divider { width: 56px; background: rgba(255,255,255,.55); }

.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testi-card {
  background: #fff; border: 1.5px solid var(--border); border-radius: var(--r-lg);
  padding: 1.75rem; position: relative;
  transition: all 0.3s ease;
}
.testi-card:hover {
  border-color: var(--blue-xlight);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.testi-grid .testi-card:nth-child(1) { transition-delay: 0s; }
.testi-grid .testi-card:nth-child(2) { transition-delay: 0.08s; }
.testi-grid .testi-card:nth-child(3) { transition-delay: 0.16s; }
.testi-card::before { content: '"'; position: absolute; top: 1rem; right: 1.5rem; font-size: 5rem; font-family: 'Poppins', sans-serif; color: var(--blue-xlight); line-height: 1; }
.testi-stars { display: flex; gap: 2px; margin-bottom: .9rem; }
.testi-stars svg { width: 16px; height: 16px; }
.testi-text { font-size: .88rem; color: var(--text-2); line-height: 1.75; margin-bottom: 1.25rem; position: relative; }
.testi-author { display: flex; align-items: center; gap: .75rem; padding-top: 1rem; border-top: 1px solid var(--border-light); }
.testi-ava { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--teal)); display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; font-size: .8rem; flex-shrink: 0; font-family: 'Poppins', sans-serif; }
.testi-name { font-weight: 700; font-size: .88rem; color: var(--text); }
.testi-role { font-size: .76rem; color: var(--text-3); margin-top: .1rem; }

.cta-banner { background: linear-gradient(135deg, #0F2A5E 0%, var(--blue) 50%, #1A56DB 100%); border-radius: var(--r-xl); padding: 4rem 2rem; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; top: -80px; right: -80px; width: 350px; height: 350px; background: rgba(255,255,255,.04); border-radius: 50%; }
.cta-banner::after  { content: ''; position: absolute; bottom: -60px; left: -60px; width: 260px; height: 260px; background: rgba(255,255,255,.03); border-radius: 50%; }
.cta-banner h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); color: #fff; margin-bottom: .75rem; position: relative; letter-spacing: -.02em; }
.cta-banner p { color: rgba(255,255,255,.8); margin-bottom: 2rem; font-size: 1rem; position: relative; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-banner .btn { position: relative; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

footer { background: #0B1629; color: #fff; padding: 5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 3rem; margin-bottom: 3.5rem; }
.footer-brand p { color: #8898B8; font-size: .83rem; margin: 1rem 0 1.5rem; line-height: 1.7; }
.footer-socials { display: flex; gap: .5rem; }
.social-btn {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  border: 1px solid #1E3254; background: transparent;
  display: flex; align-items: center; justify-content: center;
  color: #8898B8;
  transition: background 0.25s ease, border-color 0.25s ease,
              color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
  cursor: pointer;
}
.social-btn:hover {
  background: var(--blue); border-color: var(--blue); color: #fff;
  transform: scale(1.12);
  box-shadow: 0 4px 14px rgba(26,86,219,.4);
}
.social-btn svg { width: 16px; height: 16px; }
footer h4 { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: #E2E8F0; margin-bottom: 1rem; }
footer ul li { margin-bottom: .5rem; }
footer ul li a {
  font-size: .83rem; color: #8898B8;
  transition: color 0.2s ease, padding-left 0.2s ease;
  display: flex; align-items: center; gap: .4rem;
  position: relative;
}
footer ul li a::after {
  content: '→';
  font-size: .7rem;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  display: inline-block;
}
footer ul li a:hover { color: #fff; padding-left: .3rem; }
footer ul li a:hover::after { opacity: 1; transform: translateX(0); }
.footer-contact-item { display: flex; align-items: flex-start; gap: .6rem; font-size: .82rem; color: #8898B8; margin-bottom: .75rem; }
.footer-contact-item svg { width:16px; height:16px; fill:none; stroke:var(--blue); stroke-width:2; stroke-linecap:round; stroke-linejoin:round; flex-shrink:0; margin-top:.15rem; }
.footer-cppd { margin-top: 1.25rem; padding: .85rem 1rem; background: rgba(26,86,219,.12); border: 1px solid rgba(26,86,219,.25); border-radius: var(--r); display: flex; align-items: center; gap: .75rem; }
.footer-cppd-icon { width: 34px; height: 34px; background: var(--blue); border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.footer-cppd-icon svg { color: #fff; width: 18px; height: 18px; }
.footer-cppd strong { font-size: .75rem; color: #93C5FD; display: block; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.footer-cppd span { font-size: .68rem; color: #8898B8; }
.footer-bottom { border-top: 1px solid #1E3254; padding-top: 1.75rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .75rem; }
.footer-bottom p { font-size: .78rem; color: #8898B8; }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { font-size: .76rem; color: #8898B8; transition: color var(--transition); }
.footer-legal a:hover { color: #fff; }
.footer-logo { display: flex; align-items: center; gap: .6rem; }
.footer-logo-icon { width: 34px; height: 34px; background: linear-gradient(135deg, var(--blue), var(--blue-mid)); border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; }
.footer-logo-icon svg { color: #fff; width: 18px; height: 18px; }
.footer-logo-text strong { font-size: 1rem; font-weight: 800; color: #fff; font-family: 'Poppins', sans-serif; display: block; line-height: 1.1; }
.footer-logo-text strong span { color: #93C5FD; }
.footer-logo-text small { font-size: .58rem; color: #8898B8; text-transform: uppercase; letter-spacing: .08em; }

.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem; background: var(--bg-soft); }
.auth-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r-xl); padding: 2.5rem; width: 100%; max-width: 448px; box-shadow: var(--shadow-lg); }
.auth-logo { text-align: center; margin-bottom: 1.75rem; display: flex; flex-direction: column; align-items: center; gap: .3rem; }
.auth-title { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: .3rem; letter-spacing: -.02em; }
.auth-sub { font-size: .87rem; color: var(--text-3); text-align: center; margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1.1rem; }
.form-label { display: flex; align-items: center; gap: .3rem; font-size: .82rem; font-weight: 600; color: var(--text-2); margin-bottom: .4rem; }
.form-label .req { color: var(--red); }
.form-control {
  width: 100%; padding: .68rem 1rem;
  background: #fff; border: 1.5px solid var(--border);
  border-radius: var(--r); color: var(--text); font-size: .92rem; outline: none;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}
.form-control:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
  background: var(--blue-light);
}
.form-control::placeholder { color: var(--text-4); }

.form-control:valid:not(:placeholder-shown) {
  border-color: var(--green);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23059669'%3E%3Cpath fill-rule='evenodd' d='M16.704 4.153a.75.75 0 01.143 1.052l-8 10.5a.75.75 0 01-1.127.075l-4.5-4.5a.75.75 0 011.06-1.06l3.894 3.893 7.48-9.817a.75.75 0 011.05-.143z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: 16px;
  padding-right: 2.2rem;
}
.form-control:valid:not(:placeholder-shown):focus { box-shadow: 0 0 0 3px rgba(5,150,105,.1); }
.form-error { font-size: .76rem; color: var(--red); margin-top: .3rem; display: block; }
.form-error.hidden { display: none; }
.progress-bar { background: var(--bg-muted); border-radius: var(--r-full); height: 5px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--blue), var(--teal)); border-radius: var(--r-full); transition: width .5s ease; }

.toast-container { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 9999; display: flex; flex-direction: column; gap: .5rem; }
.toast {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  padding: .85rem 1.1rem; min-width: 270px; max-width: 380px;
  display: flex; align-items: center; gap: .65rem;
  box-shadow: var(--shadow-lg); font-size: .85rem;
  animation: toastIn .35s cubic-bezier(.2,.8,.3,1) both;
}
.toast.toast-exit { animation: toastOut .3s ease forwards; }
.toast.success { border-left: 4px solid var(--green); }
.toast.error   { border-left: 4px solid var(--red); }
.toast.info    { border-left: 4px solid var(--blue); }
.toast.warning { border-left: 4px solid var(--amber); }

.toast.success { animation: toastIn .35s cubic-bezier(.2,.8,.3,1) both, borderPulseGreen .5s ease .35s; }
.toast.error   { animation: toastIn .35s cubic-bezier(.2,.8,.3,1) both, borderPulseRed   .5s ease .35s; }
.toast.info    { animation: toastIn .35s cubic-bezier(.2,.8,.3,1) both, borderPulseBlue  .5s ease .35s; }
.toast-icon { font-size: 1rem; flex-shrink: 0; }
.toast-message { flex: 1; color: var(--text); }
@keyframes toastIn {
  from { transform: translateY(16px) scale(.96); opacity: 0; }
  to   { transform: translateY(0)    scale(1);   opacity: 1; }
}
@keyframes toastOut {
  from { transform: translateY(0); opacity: 1; max-height: 80px; margin-bottom: 0; }
  to   { transform: translateY(8px); opacity: 0; max-height: 0; margin-bottom: -10px; }
}
@keyframes borderPulseGreen { 0%,100% { border-left-color: var(--green); } 50% { border-left-color: #34d399; } }
@keyframes borderPulseRed   { 0%,100% { border-left-color: var(--red);   } 50% { border-left-color: #f87171; } }
@keyframes borderPulseBlue  { 0%,100% { border-left-color: var(--blue);  } 50% { border-left-color: #60a5fa; } }

.spinner { width: 36px; height: 36px; border: 3px solid var(--border); border-top-color: var(--blue); border-radius: 50%; animation: spin .75s linear infinite; margin: 2.5rem auto; }
.spinner-sm { width: 18px; height: 18px; border-width: 2px; margin: 0; display: inline-block; vertical-align: middle; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-muted)    0%,
    var(--bg-muted)    30%,
    var(--border-light) 48%,
    rgba(255,255,255,.85) 52%,
    var(--border-light) 56%,
    var(--bg-muted)    70%,
    var(--bg-muted)    100%
  );
  background-size: 300% 100%;
  animation: shimmer 1.8s ease-in-out infinite;
  border-radius: var(--r-sm);
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -100% 0; }
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue) 0%, var(--teal) 50%, var(--blue) 100%);
  background-size: 200% 100%;
  border-radius: var(--r-full);
  transition: width .5s ease;
  animation: progressSweep 2.5s ease-in-out infinite;
}
@keyframes progressSweep {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.cppd-tag { display: inline-flex; align-items: center; gap: .35rem; background: var(--amber-light); border: 1px solid #FDE68A; color: #92400E; padding: .22rem .65rem; border-radius: var(--r-sm); font-size: .7rem; font-weight: 700; }
.cppd-tag svg { width: 12px; height: 12px; }

.filter-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r-md); padding: 1.25rem; margin-bottom: 1rem; }
.filter-card h4 { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); margin-bottom: .75rem; padding-bottom: .5rem; border-bottom: 1px solid var(--border); }
.filter-option { display: flex; align-items: center; gap: .5rem; padding: .3rem 0; cursor: pointer; font-size: .84rem; color: var(--text-2); }
.filter-option input { accent-color: var(--blue); }
.filter-option:hover { color: var(--blue); }

.page-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: .5rem;
}
.breadcrumb-sep { color: var(--text-4); }
.breadcrumb-current { color: var(--text-2); font-weight: 500; }

.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--r-full);
  padding: 6px 6px 6px 4px;
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition), box-shadow var(--transition);
  min-width: 320px;
}
.search-bar:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.1);
}
.search-bar input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: .875rem;
  color: var(--text);
  outline: none;
  padding: 0 4px;
}
.search-bar input::placeholder { color: var(--text-4); }

.courses-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2.5rem 0 4rem;
}

aside.sidebar {
  position: sticky;
  top: 88px;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.sidebar-section {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
}
.sidebar-section:last-child { border-bottom: none; }

.sidebar-title {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-3);
  margin-bottom: .7rem;
}

.filter-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .28rem 0;
}
.filter-left {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.filter-option input[type="checkbox"],
.filter-option input[type="radio"] {
  accent-color: var(--blue);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  cursor: pointer;
}
.filter-label {
  font-size: .82rem;
  color: var(--text-2);
  cursor: pointer;
}
.filter-label:hover { color: var(--blue); }
.filter-count {
  font-size: .72rem;
  color: var(--text-4);
  background: var(--bg-muted);
  padding: .1rem .45rem;
  border-radius: var(--r-full);
}

.price-range {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.price-range input[type="range"] {
  width: 100%;
  accent-color: var(--blue);
  cursor: pointer;
}
.price-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: .72rem;
  color: var(--text-4);
}

.w-full { width: 100%; }

.courses-main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: .75rem;
}

.courses-count {
  font-size: .875rem;
  color: var(--text-3);
}
.courses-count strong { color: var(--text); font-weight: 700; }

.sort-select {
  padding: .45rem .85rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  font-size: .82rem;
  color: var(--text-2);
  background: #fff;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}
.sort-select:focus { border-color: var(--blue); }

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 0;
  gap: 1rem;
  color: var(--text-3);
  font-size: .875rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  margin-top: 2.5rem;
}

.page-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: #fff;
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
}
.page-btn:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }
.page-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 700; }
.page-btn.disabled { opacity: .4; pointer-events: none; }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
  text-align: center;
  color: var(--text-3);
}
.empty-state svg {
  width: 56px;
  height: 56px;
  stroke: var(--border);
  fill: none;
  margin-bottom: 1.25rem;
}
.empty-state h3 { font-size: 1.1rem; color: var(--text-2); margin-bottom: .5rem; }
.empty-state p { font-size: .875rem; margin-bottom: 1.5rem; max-width: 340px; }

@media (max-width: 1024px) {
  .courses-layout { grid-template-columns: 200px 1fr; gap: 1.25rem; }
}
@media (max-width: 768px) {
  .courses-layout { grid-template-columns: 1fr; }
  aside.sidebar { position: static; }
  .search-bar { min-width: unset; width: 100%; }
  .page-header-content { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 1024px) {
  .cats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .hero-inner { gap: 2.5rem; }
}
@media (max-width: 768px) {
  .hero { padding: 7.5rem 0 4rem; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-img-col { display: none; }
  .hero-stats { gap: 1.5rem; }
  .section { padding: 3.5rem 0; }
  .testi-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cats-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; max-width: 960px; margin: 0 auto; }
@media (max-width: 768px) {
  .grid-3 { grid-template-columns: 1fr; gap: 1.25rem; max-width: 460px; }
}

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }

.btn-lg, .btn-xl { transition: transform .2s cubic-bezier(.16,1,.3,1), box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease; }
.btn-lg:hover, .btn-xl:hover { transform: translateY(-3px); }
.btn-lg:active, .btn-xl:active { transform: translateY(-1px); }

.cat-card { transition: transform .28s cubic-bezier(.16,1,.3,1), box-shadow .28s ease, border-color .28s ease; }
.cat-card:hover { transform: translateY(-5px); box-shadow: 0 16px 34px rgba(15,23,42,.12); }
.cat-card:hover .cat-icon { transform: scale(1.08) rotate(-4deg); }
.cat-icon { transition: transform .28s cubic-bezier(.16,1,.3,1); }

.footer-links a, .footer-legal a { transition: color .18s ease, padding-left .18s ease; }
.footer-links a:hover { padding-left: 5px; }

.hamburger span { transition: transform .25s ease, opacity .2s ease; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn-lg, .btn-xl, .cat-card, .cat-icon { transition: none; }
}

html, body { max-width: 100%; overflow-x: clip; }

.cats-grid > *, .stats-grid > *, .features-grid > *,
.footer-grid > *, .testi-grid > *, .hero-inner > * { min-width: 0; }
.cat-card > div { min-width: 0; }
.cat-name, .cat-count { overflow-wrap: anywhere; }

@media (max-width: 768px) {
  
  div[style*="grid-template-columns:1fr 1fr"],
  div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
}

@media (max-width: 480px) {
  .cats-grid { grid-template-columns: 1fr 1fr; gap: .75rem; }
  .cat-card { padding: 1rem .85rem; gap: .65rem; }
  .cat-icon { width: 38px; height: 38px; }
  .cat-name { font-size: .8rem; }
  .stats-grid { gap: 1.5rem 1rem; }
  .stat-number { font-size: clamp(1.3rem, 6.5vw, 2rem); }
  .hero-trust { flex-wrap: wrap; row-gap: .5rem; }
}