/* ============================================================
   VASAKAL Academy — Main Stylesheet
   Premium educational design with Inter/Poppins typography
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
  --primary:       #1a56db;
  --primary-dark:  #1245b5;
  --primary-light: #e8f0fe;
  --accent:        #f59e0b;
  --accent-dark:   #d97706;
  --success:       #10b981;
  --danger:        #ef4444;
  --warning:       #f59e0b;

  --bg:            #ffffff;
  --bg-gray:       #f8fafc;
  --bg-dark:       #0f172a;
  --bg-card:       #ffffff;

  --text:          #1e293b;
  --text-muted:    #64748b;
  --text-light:    #94a3b8;
  --text-white:    #ffffff;

  --border:        #e2e8f0;
  --border-light:  #f1f5f9;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.12);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.15);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --font-sans:  'Inter', system-ui, sans-serif;
  --font-head:  'Poppins', 'Inter', sans-serif;

  --transition: .2s ease;
  --container:  1200px;
}

/* ---- Skip Link (Accessibility) ---- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.5rem;
  background: white;
  color: var(--primary);
  font-size: .875rem;
  font-weight: 600;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
  z-index: 10001;
  transition: top .35s cubic-bezier(.4,0,.2,1), box-shadow .2s;
  border: 2px solid var(--primary);
  white-space: nowrap;
}
.skip-link svg { flex-shrink: 0; }
.skip-link:focus,
.skip-link:focus-visible {
  top: 1rem;
  outline: none;
  box-shadow: 0 4px 24px rgba(26,86,219,.35), 0 0 0 3px var(--accent);
}

/* ---- Focus States (Accessibility) ---- */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---- Container ---- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5 { font-family: var(--font-head); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: white; box-shadow: 0 4px 15px rgba(26,86,219,.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,86,219,.4); }
.btn-accent { background: var(--accent); color: white; box-shadow: 0 4px 15px rgba(245,158,11,.3); }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: white; }
.btn-outline-white { border: 2px solid rgba(255,255,255,.7); color: white; background: transparent; }
.btn-outline-white:hover { background: white; color: var(--primary); }
.btn-sm { padding: .5rem 1.25rem; font-size: .85rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1.1rem; }

/* ---- Section ---- */
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-alt { background: var(--bg-gray); }
.section-dark { background: var(--bg-dark); color: white; }

.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: .35rem 1rem;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-badge.accent { background: #fef3c7; color: #92400e; }
.section-title { margin-bottom: .75rem; }
.section-subtitle { color: var(--text-muted); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* ---- Top Bar ---- */
.top-bar { background: var(--primary-dark); color: rgba(255,255,255,.9); padding: .45rem 0; font-size: .82rem; }
.top-bar-inner { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.top-bar-text { display: flex; align-items: center; gap: .4rem; }
.top-bar-whatsapp {
  margin-left: auto;
  display: flex; align-items: center; gap: .4rem;
  background: #25d366;
  padding: .2rem .75rem;
  border-radius: 50px;
  font-weight: 600;
  color: white;
  transition: opacity var(--transition);
}
.top-bar-whatsapp:hover { opacity: .85; }

/* ---- Navbar ---- */
.navbar {
  background: white;
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,.08);
  padding: .85rem 0;
  overflow: visible;
}
.nav-inner { display: flex; align-items: center; gap: 1.5rem; overflow: visible; }
.nav-dropdown-wrap { overflow: visible; }
.nav-logo { display: flex; align-items: center; gap: .65rem; flex-shrink: 0; }
.logo-icon { flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main { font-family: var(--font-head); font-weight: 800; font-size: 1.25rem; color: var(--primary); letter-spacing: -.5px; }
.logo-sub { font-size: .65rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.nav-menu { display: flex; align-items: center; gap: .25rem; margin: 0 auto; overflow: visible; }
.nav-link {
  padding: .5rem .85rem;
  font-weight: 500;
  font-size: .9rem;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

/* ---- Mega Dropdown (Vedantu-style) ---- */
.nav-dropdown-wrap { position: relative; }
.nav-link-dropdown { display: inline-flex; align-items: center; gap: .3rem; }
.nav-chevron { transition: transform .25s; opacity: .7; }
.nav-dropdown-wrap:hover .nav-chevron { transform: rotate(180deg); }
.nav-mega-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  transform: translateY(8px);
  min-width: 520px;
  max-width: min(90vw, 640px);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,.15), 0 0 1px rgba(0,0,0,.1);
  padding: 1.5rem 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease, transform .25s ease;
  z-index: 1001;
  border: 1px solid var(--border);
  margin-top: 2px;
}
.nav-dropdown-wrap:hover .nav-mega-dropdown { opacity: 1; visibility: visible; transform: translateY(4px); }
.mega-dropdown-inner { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 0; padding: 0 1.5rem; }
.mega-col { padding: 0 1rem; border-right: 1px solid var(--border-light); }
.mega-col:last-of-type { border-right: none; }
.mega-heading {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border-light);
}
.mega-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem 0;
  font-size: .9rem;
  color: var(--text);
  transition: color .2s, background .2s;
  border-radius: var(--radius-sm);
  padding-left: .5rem;
  margin-left: -.5rem;
}
.mega-link:hover { color: var(--primary); background: var(--primary-light); }
.mega-link span:first-child { flex-shrink: 0; }
.mega-link small { display: block; font-size: .75rem; color: var(--text-muted); font-weight: 400; }
.mega-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
}
.mega-icon.mega-icon-iit-jee { background: #ede9fe; color: #7c3aed; }
.mega-icon.mega-icon-foundation { background: #d1fae5; color: #059669; }
.mega-icon.mega-icon-crash-course { background: #fee2e2; color: #dc2626; }
.mega-link-all { font-weight: 600; color: var(--primary) !important; margin-top: 1rem; padding-top: .75rem; border-top: 1px solid var(--border-light); display: block; }
.mega-link-featured { background: rgba(19, 138, 54, .06); border-radius: var(--radius-sm); margin-bottom: .5rem; }
.mega-link-featured:hover { background: var(--primary-light); }
.mega-badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 50px;
  font-size: .7rem;
  font-weight: 700;
  margin-right: .5rem;
}
.mega-badge.neet { background: #dbeafe; color: #1d4ed8; }
.mega-badge.jee { background: #ede9fe; color: #6d28d9; }
@media (max-width: 992px) {
  .nav-mega-dropdown { min-width: 90vw; max-width: 90vw; left: 50%; transform: translateX(-50%) translateY(8px); }
  .nav-dropdown-wrap:hover .nav-mega-dropdown { transform: translateX(-50%) translateY(4px); }
  .mega-dropdown-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-mega-dropdown { display: none; }
  .nav-link-dropdown .nav-chevron { display: none; }
}

.nav-cta { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: .5rem; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all .3s; display: block; }

/* ---- Hero Section ---- */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1a56db 100%);
  color: white;
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(245,158,11,.15) 0%, transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; position: relative; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(245,158,11,.2); border: 1px solid rgba(245,158,11,.4);
  color: #fcd34d;
  padding: .4rem 1rem; border-radius: 50px;
  font-size: .8rem; font-weight: 600;
  margin-bottom: 1.25rem;
}
.hero-title { color: white; margin-bottom: 1.25rem; }
.hero-title span { color: #fcd34d; }
.hero-subtitle { color: rgba(255,255,255,.8); font-size: 1.1rem; margin-bottom: 2rem; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.5rem; }
.hero-stats { display: flex; gap: 2rem; }
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 1.8rem; font-weight: 800; color: #fcd34d; font-family: var(--font-head); }
.hero-stat-label { font-size: .75rem; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .5px; }
.hero-visual { position: relative; }
.hero-card {
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-xl);
  padding: 2rem;
}
.hero-card-title { font-size: 1rem; font-weight: 600; margin-bottom: 1.5rem; color: rgba(255,255,255,.9); }
.hero-feature-list { display: flex; flex-direction: column; gap: .85rem; }
.hero-feature {
  display: flex; align-items: center; gap: .85rem;
  padding: .85rem 1rem;
  background: rgba(255,255,255,.06);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.08);
}
.hero-feature-icon {
  width: 40px; height: 40px;
  background: rgba(245,158,11,.2);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.hero-feature-text { font-size: .875rem; color: rgba(255,255,255,.85); font-weight: 500; }
.hero-feature-sub { font-size: .75rem; color: rgba(255,255,255,.5); margin-top: .15rem; }

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s ease;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.card-body { padding: 1.75rem; }
.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* ---- Why VASAKAL grid ---- */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.feature-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border);
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform .3s;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.feature-icon {
  width: 64px; height: 64px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
  transition: all .3s;
}
.feature-card:hover .feature-icon { background: var(--primary); }
.feature-card:hover .feature-icon svg { stroke: white; }
.feature-icon svg { transition: all .3s; stroke: var(--primary); }
.feature-title { font-size: 1.1rem; margin-bottom: .5rem; }
.feature-desc { color: var(--text-muted); font-size: .9rem; }

/* ---- Courses Grid ---- */
.courses-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.75rem; }
.course-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all .3s;
}
.course-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.course-header {
  padding: 1.75rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
}
.course-header.jee { background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%); }
.course-header.foundation { background: linear-gradient(135deg, #059669 0%, #047857 100%); }
.course-header.crash { background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%); }
.course-tag {
  display: inline-block;
  background: rgba(255,255,255,.2);
  padding: .2rem .75rem;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 600;
  margin-bottom: .85rem;
}
.course-title { font-size: 1.2rem; margin-bottom: .4rem; }
.course-duration { font-size: .85rem; opacity: .8; display: inline-flex; align-items: center; gap: .35rem; }
.course-duration svg { flex-shrink: 0; }
.course-body { padding: 1.5rem; }
.course-subjects { font-size: .85rem; color: var(--text-muted); margin-top: .75rem; display: flex; align-items: flex-start; gap: .4rem; line-height: 1.6; }
.course-subjects svg { flex-shrink: 0; margin-top: 2px; color: var(--primary); }
.course-features { display: flex; flex-direction: column; gap: .5rem; margin: 1rem 0; }
.course-feature {
  display: flex; align-items: center; gap: .5rem;
  font-size: .85rem; color: var(--text);
}
.course-feature svg { stroke: var(--success); flex-shrink: 0; }

/* ---- App Cards ---- */
.apps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.75rem; }
.app-card {
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 2.25rem;
  text-align: center;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.app-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-light) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .3s;
}
.app-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-6px); }
.app-card:hover::after { opacity: 1; }
.app-icon {
  width: 72px; height: 72px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
  position: relative; z-index: 1;
}
.app-icon.podcast { background: linear-gradient(135deg, #f59e0b, #d97706); }
.app-icon.test    { background: linear-gradient(135deg, #1a56db, #1245b5); }
.app-icon.video   { background: linear-gradient(135deg, #ef4444, #dc2626); }
.app-name { font-size: 1.15rem; font-weight: 700; margin-bottom: .4rem; position: relative; z-index: 1; }
.app-desc { color: var(--text-muted); font-size: .9rem; margin-bottom: 1.25rem; position: relative; z-index: 1; }
.app-benefits { text-align: left; margin-bottom: 1.5rem; position: relative; z-index: 1; }
.app-benefit {
  display: flex; align-items: center; gap: .5rem;
  font-size: .83rem; color: var(--text); padding: .3rem 0;
}
.app-benefit svg { stroke: var(--primary); flex-shrink: 0; }

/* ---- Materials / Books ---- */
.materials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.5rem; }
.material-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex; flex-direction: column;
  transition: all .3s;
}
.material-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.material-icon {
  width: 48px; height: 48px;
  background: #fee2e2;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}
.material-title { font-size: .95rem; font-weight: 600; margin-bottom: .4rem; }
.material-meta { font-size: .8rem; color: var(--text-muted); margin-bottom: 1rem; flex: 1; }

.books-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.75rem; }
.book-card { background: white; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); transition: all .3s; }
.book-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.book-cover {
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--primary-light) 0%, #dbeafe 100%);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.book-cover img { width: 100%; height: 100%; object-fit: cover; }
.book-cover-placeholder { text-align: center; padding: 1rem; }
.book-cover-placeholder svg { stroke: var(--primary); opacity: .4; margin-bottom: .5rem; }
.book-info { padding: 1.25rem; }
.book-subject { font-size: .75rem; color: var(--primary); font-weight: 600; text-transform: uppercase; margin-bottom: .4rem; }
.book-title { font-size: .9rem; font-weight: 700; margin-bottom: .4rem; }
.book-author { font-size: .78rem; color: var(--text-muted); margin-bottom: .85rem; }
.book-exam-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: .7rem; font-weight: 600;
  padding: .2rem .6rem; border-radius: 50px;
}

/* ---- Results ---- */
.results-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.75rem; }
.result-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 1.75rem;
  text-align: center;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.result-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.result-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.result-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  overflow: hidden;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 700;
  color: var(--primary);
  font-family: var(--font-head);
}
.result-name { font-size: 1rem; font-weight: 700; margin-bottom: .25rem; }
.result-exam {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: .72rem; font-weight: 700;
  padding: .2rem .7rem; border-radius: 50px;
  margin-bottom: .75rem;
}
.result-exam.jee { background: #ede9fe; color: #7c3aed; }
.result-score { font-size: 1.4rem; font-weight: 800; color: var(--primary); font-family: var(--font-head); }
.result-rank { font-size: .85rem; color: var(--accent-dark); font-weight: 600; }
.result-percentile { font-size: .8rem; color: var(--text-muted); }
.result-year { font-size: .75rem; color: var(--text-light); margin-top: .4rem; }

/* ---- Testimonials ---- */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.75rem; }
.testimonial-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border);
  transition: all .3s;
  position: relative;
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-quote {
  font-size: 3rem;
  color: var(--primary);
  line-height: 1;
  opacity: .2;
  margin-bottom: -.5rem;
  font-family: Georgia, serif;
}
.testimonial-text { color: var(--text); font-size: .9rem; line-height: 1.8; margin-bottom: 1.25rem; }
.testimonial-author { display: flex; align-items: center; gap: .85rem; }
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--primary); font-size: .9rem;
}
.testimonial-name { font-size: .9rem; font-weight: 700; }
.testimonial-score { font-size: .78rem; color: var(--text-muted); }

/* ---- Counters ---- */
.counters-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); padding: 3.5rem 0; }
.counters-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.counter-item { color: white; }
.counter-num { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; font-family: var(--font-head); color: #fcd34d; }
.counter-plus { font-size: 2rem; color: rgba(252,211,77,.7); font-weight: 300; }
.counter-label { font-size: .85rem; color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: .5px; margin-top: .25rem; }

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all .3s;
}
.faq-item.open { box-shadow: var(--shadow-md); }
.faq-question {
  padding: 1.25rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer;
  font-weight: 600; font-size: .95rem;
  gap: 1rem;
}
.faq-icon { flex-shrink: 0; transition: transform .3s; stroke: var(--primary); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { padding: 0 1.5rem; max-height: 0; overflow: hidden; transition: all .4s; color: var(--text-muted); font-size: .9rem; }
.faq-answer.open { padding: 0 1.5rem 1.25rem; max-height: 200px; }

/* ---- CTA Banner ---- */
.cta-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1a56db 100%);
  color: white; padding: 5rem 0;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: rgba(245,158,11,.1);
}
.cta-inner { text-align: center; position: relative; }
.cta-title { color: white; margin-bottom: 1rem; }
.cta-subtitle { color: rgba(255,255,255,.75); margin-bottom: 2rem; font-size: 1.05rem; }
.cta-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ---- Contact ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item-icon {
  width: 48px; height: 48px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-item-label { font-size: .8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: .2rem; }
.contact-item-value { font-weight: 600; }
.contact-item-value a { color: var(--primary); }
.contact-item-value a:hover { text-decoration: underline; }

/* ---- Forms ---- */
.form-card { background: white; border-radius: var(--radius-xl); padding: 2.5rem; border: 1px solid var(--border); box-shadow: var(--shadow-md); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: .5rem; }
.form-group.full { grid-column: 1 / -1; }
.form-label { font-size: .85rem; font-weight: 600; color: var(--text); }
.form-label.required::after { content: ' *'; color: var(--danger); }
.form-control {
  padding: .75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: .9rem;
  color: var(--text);
  background: white;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.form-control:hover { border-color: #94a3b8; }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,.12); }
.form-control::placeholder { color: var(--text-light); }
.form-control:disabled { background: var(--bg-gray); cursor: not-allowed; opacity: .8; }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .75rem center; padding-right: 2.5rem; }

/* ---- Alerts ---- */
.alert { padding: 1rem 1.25rem; border-radius: var(--radius-md); font-size: .9rem; margin-bottom: 1.25rem; line-height: 1.5; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info    { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }

/* ---- Badges / Tags ---- */
.badge { display: inline-block; padding: .25rem .65rem; border-radius: 50px; font-size: .72rem; font-weight: 600; }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger  { background: #fee2e2; color: #991b1b; }
.badge-gray    { background: #f1f5f9; color: #64748b; }

/* ---- Page Header ---- */
.page-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 40%, #1a56db 100%);
  color: white;
  padding: 4rem 0 3.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(245,158,11,.08) 0%, transparent 60%);
  pointer-events: none;
}
.page-header h1, .page-header p, .page-header .breadcrumb { position: relative; z-index: 1; }
.page-header h1 { color: white; margin-bottom: .75rem; font-weight: 700; letter-spacing: -.02em; }
.page-header p { color: rgba(255,255,255,.85); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
.breadcrumb { display: flex; justify-content: center; align-items: center; gap: .5rem; margin-top: 1.25rem; font-size: .85rem; color: rgba(255,255,255,.65); }
.breadcrumb a { color: rgba(255,255,255,.85); text-decoration: none; transition: color .2s; }
.breadcrumb a:hover { color: white; }
.breadcrumb-sep { opacity: .45; }

/* ---- Filter Bar ---- */
.filter-bar { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 2rem; }
.filter-btn {
  padding: .5rem 1.25rem;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  font-size: .85rem; font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  background: white;
}
.filter-btn:hover, .filter-btn.active { background: var(--primary); color: white; border-color: var(--primary); }

/* ---- Footer ---- */
.footer { background: #0f172a; color: rgba(255,255,255,.8); }
.footer-top { padding: 5rem 0 3rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; }
.footer-logo { display: flex; align-items: center; gap: .65rem; margin-bottom: 1rem; }
.footer-logo-text { font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; color: white; }
.footer-tagline { font-size: .85rem; color: rgba(255,255,255,.5); line-height: 1.7; margin-bottom: 1.5rem; }
.footer-social { display: flex; gap: .75rem; }
.footer-social a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  color: rgba(255,255,255,.7);
}
.footer-social a:hover { background: var(--primary); color: white; }
.footer-heading { font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: white; margin-bottom: 1.25rem; }
.footer-links { display: flex; flex-direction: column; gap: .65rem; }
.footer-links a { font-size: .88rem; color: rgba(255,255,255,.6); transition: color var(--transition); }
.footer-links a:hover { color: white; padding-left: 4px; }
.footer-contact-list { display: flex; flex-direction: column; gap: 1rem; }
.footer-contact-list li { display: flex; gap: .75rem; font-size: .85rem; color: rgba(255,255,255,.65); align-items: flex-start; }
.footer-contact-list svg { flex-shrink: 0; stroke: var(--accent); margin-top: 2px; }
.footer-contact-list a { color: rgba(255,255,255,.65); }
.footer-contact-list a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 1.25rem 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; font-size: .82rem; color: rgba(255,255,255,.4); }
.footer-admin-link a { color: rgba(255,255,255,.4); }
.footer-admin-link a:hover { color: rgba(255,255,255,.7); }

/* ---- Back to Top ---- */
.back-to-top {
  position: fixed;
  bottom: 100px; right: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(26,86,219,.4);
  opacity: 0; visibility: hidden;
  transform: translateY(20px);
  transition: all .3s ease;
  z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 6px 25px rgba(26,86,219,.5); }

/* ---- Floating WhatsApp ---- */
.floating-whatsapp {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: white;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.5);
  transition: all .3s ease;
  z-index: 998;
}
.floating-whatsapp:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(37,211,102,.6); color: white; }
.floating-whatsapp-text { display: none; }
@media (min-width: 769px) {
  .back-to-top { bottom: 90px; right: 28px; }
  .floating-whatsapp { bottom: 90px; right: 28px; }
}

/* ---- Nav CTA (inside nav-menu, single set) ---- */
.nav-cta { margin-left: auto; }
.nav-cart-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  position: relative;
}
.cart-count {
  background: var(--accent);
  color: white;
  font-size: .65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 .35rem;
}
.cart-count.empty { display: none; }
.book-price { font-size: 1.1rem; font-weight: 700; color: var(--primary); }

/* ---- Cart Page ---- */
.cart-table-wrap {
  overflow-x: auto;
  margin-bottom: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  background: white;
}
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th, .cart-table td { padding: 1.1rem 1.25rem; border-bottom: 1px solid var(--border); text-align: left; }
.cart-table th {
  background: var(--bg-gray);
  font-weight: 600;
  font-size: .85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.cart-table tbody tr:last-child td { border-bottom: none; }
.cart-table tbody tr:hover { background: rgba(26,86,219,.02); }
.cart-item-book { display: flex; align-items: center; gap: 1rem; }
.cart-item-cover {
  width: 60px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-gray);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.cart-item-cover img { width: 100%; height: 100%; object-fit: cover; }
.cart-item-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--text-light); }
.cart-qty-input {
  width: 72px;
  text-align: center;
  padding: .5rem;
  border-radius: var(--radius-sm);
}
.cart-remove {
  color: var(--danger);
  font-weight: 600;
  padding: .35rem .6rem;
  border-radius: var(--radius-sm);
  transition: background .2s, color .2s;
}
.cart-remove:hover { background: #fee2e2; color: var(--danger); }
.cart-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: var(--bg-gray);
  border: 1px solid var(--border);
}
.cart-total-row { margin-left: auto; font-size: 1.2rem; }
.cart-total-row strong { color: var(--primary); font-size: 1.35rem; }

/* Cart empty state */
.cart-empty-inner {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 420px;
  margin: 0 auto;
}
.cart-empty-icon {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--text-light);
}
.cart-empty h2 { margin-bottom: .5rem; font-size: 1.35rem; }
.cart-empty p { color: var(--text-muted); margin-bottom: 2rem; }

/* ---- Checkout ---- */
.checkout-grid { display: grid; grid-template-columns: 1fr 360px; gap: 2.5rem; align-items: start; max-width: 1100px; margin: 0 auto; }
.checkout-form-wrap { min-width: 0; }
.checkout-form-header { margin-bottom: 1.5rem; }
.checkout-form-header h2 { font-size: 1.35rem; margin-bottom: .35rem; }
.checkout-form-sub { color: var(--text-muted); font-size: .9rem; }
.checkout-form { padding: 2rem; }
.form-grid-checkout { gap: 1.25rem; }
.checkout-submit { width: 100%; margin-top: 1.5rem; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; }
.checkout-summary {
  background: white;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: sticky;
  top: 100px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
.checkout-summary h3 { font-size: 1.1rem; margin-bottom: 1.25rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.checkout-items { display: flex; flex-direction: column; gap: .85rem; margin-bottom: 1.25rem; }
.checkout-item { display: flex; justify-content: space-between; font-size: .9rem; align-items: flex-start; gap: 1rem; }
.checkout-item span:first-child { flex: 1; }
.checkout-item span:last-child { font-weight: 600; color: var(--primary); flex-shrink: 0; }
.checkout-total { display: flex; justify-content: space-between; padding-top: 1rem; border-top: 1px solid var(--border); font-size: 1.2rem; align-items: center; }
.checkout-total strong { color: var(--primary); font-size: 1.35rem; }

/* Checkout flow & steps */
.checkout-flow { max-width: 1100px; margin: 0 auto; }
.checkout-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  margin-bottom: 2rem;
  font-size: .9rem;
  color: var(--text-muted);
}
.checkout-step {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-gray);
  transition: all var(--transition);
}
.checkout-step.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.checkout-step-arrow { opacity: .4; font-size: 1rem; }
.step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(26,86,219,.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
}
.checkout-step.active .step-num { background: var(--primary); color: white; }

/* Checkout summary header */
.checkout-summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.checkout-summary-header h3 { margin: 0; padding: 0; border: none; }
.checkout-item-count {
  font-size: .8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Checkout success state */
.checkout-success {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 480px;
  margin: 0 auto;
}
.checkout-success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: #059669;
  animation: successPop .4s ease-out;
}
@keyframes successPop {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}
.checkout-success h2 { margin-bottom: .5rem; font-size: 1.5rem; }
.checkout-success p { color: var(--text-muted); margin-bottom: 2rem; font-size: 1rem; }

/* Checkout form polish */
.checkout-form .form-control {
  padding: .85rem 1rem;
  border-radius: var(--radius-md);
  transition: border-color .2s, box-shadow .2s;
}
.checkout-form .form-control:focus {
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}
.checkout-form .form-group { gap: .4rem; }
.checkout-form-header h2 { font-size: 1.4rem; letter-spacing: -.02em; }
.checkout-summary {
  border-left: 4px solid var(--primary);
}
@media (max-width: 768px) {
  .checkout-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .checkout-summary { position: static; order: -1; border-left: none; border-top: 4px solid var(--primary); }
  .cart-table th:nth-child(2), .cart-table td:nth-child(2) { display: none; }
  .checkout-steps { font-size: .8rem; gap: .5rem; }
  .foundation-features { grid-template-columns: 1fr !important; }
}

/* ---- SEO Prose Block ---- */
.seo-prose {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.seo-prose p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.95;
  margin-bottom: 1.25rem;
}
.seo-prose p:last-child { margin-bottom: 0; }
.seo-prose strong { color: var(--text); font-weight: 600; }

/* ---- Technology Grid ---- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.tech-item {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all .35s ease;
}
.tech-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.tech-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.tech-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .5rem;
}
.tech-item p {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---- Admission Section ---- */
.admission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.admission-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.admission-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: all .3s ease;
}
.admission-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.admission-item svg {
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 2px;
}
.admission-item h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .25rem;
}
.admission-item p {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.admission-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}
.admission-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: white;
}
.admission-card p {
  color: rgba(255,255,255,.8);
  font-size: .95rem;
  line-height: 1.8;
  margin-bottom: 1.75rem;
}
.admission-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---- SEO Content Block ---- */
.seo-block { padding: 3.5rem 0; background: var(--bg-gray); }
.seo-block + .seo-block { padding-top: 0; }
.seo-content { max-width: 920px; margin: 0 auto; text-align: center; }
.seo-content h2 { font-size: 1.5rem; margin-bottom: 1.25rem; color: var(--text); }
.seo-content p  { color: var(--text-muted); font-size: .93rem; line-height: 1.95; margin-bottom: 1rem; }
.seo-content p:last-child { margin-bottom: 0; }
.seo-content strong { color: var(--text); font-weight: 600; }

/* ---- SEO Course Cards (Courses Page) ---- */
.seo-course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.75rem;
}
.seo-course-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all .35s ease;
}
.seo-course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.seo-course-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .75rem;
  line-height: 1.4;
}
.seo-course-card p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.85;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .counters-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .admission-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --container: 100%; }
  .nav-menu {
    display: none; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: white; padding: 1rem;
    box-shadow: var(--shadow-lg);
    gap: .25rem;
  }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .nav-inner { position: relative; flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; gap: .5rem; text-align: center; }
  .courses-grid { grid-template-columns: 1fr; }
  .apps-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .seo-prose { text-align: left; }
  .seo-content { text-align: left; }
}

@media (max-width: 480px) {
  .section { padding: 3.5rem 0; }
  .hero { padding: 4rem 0 3rem; }
  .cta-actions { flex-direction: column; align-items: center; }
  .hero-actions { flex-direction: column; }
  .counters-grid { grid-template-columns: repeat(2, 1fr); }
}


/* ======== PREMIUM ANIMATIONS ======== */

/* -- Keyframes -- */
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-15px)} }
@keyframes floatSlow { 0%,100%{transform:translate(0,0)} 50%{transform:translate(10px,-20px)} }
@keyframes pulse { 0%,100%{opacity:.4;r:4} 50%{opacity:1;r:7} }
@keyframes pulseSm { 0%,100%{opacity:.3;r:3} 50%{opacity:.8;r:5} }
@keyframes spin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
@keyframes spinReverse { from{transform:rotate(360deg)} to{transform:rotate(0deg)} }
@keyframes wave { 0%{d:path("M0 500 Q 360 420 720 500 T 1440 500")} 50%{d:path("M0 500 Q 360 480 720 460 T 1440 500")} 100%{d:path("M0 500 Q 360 420 720 500 T 1440 500")} }
@keyframes shimmer { 0%{background-position:200% center} 100%{background-position:-200% center} }
@keyframes slideUp { from{opacity:0;transform:translateY(40px)} to{opacity:1;transform:translateY(0)} }
@keyframes slideDown { from{opacity:0;transform:translateX(-50%) translateY(-20px)} to{opacity:1;transform:translateX(-50%) translateY(0)} }
@keyframes fadeInScale { from{opacity:0;transform:scale(.9)} to{opacity:1;transform:scale(1)} }
@keyframes glow { 0%,100%{box-shadow:0 0 20px rgba(245,158,11,.3)} 50%{box-shadow:0 0 35px rgba(245,158,11,.5)} }
@keyframes badgeStar { 0%,100%{transform:rotate(0deg) scale(1)} 50%{transform:rotate(20deg) scale(1.2)} }
@keyframes gradientShift { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }

/* -- SVG hero animations -- */
.hero-svg-bg { position:absolute;inset:0;width:100%;height:100%;z-index:0; }
.float-circle.fc1 { animation:floatSlow 8s ease-in-out infinite; }
.float-circle.fc2 { animation:floatSlow 10s ease-in-out infinite 2s; }
.float-circle.fc3 { animation:float 6s ease-in-out infinite 1s; }
.pulse-dot { animation:pulse 3s ease-in-out infinite; }
.pulse-dot.pd2 { animation:pulseSm 4s ease-in-out infinite 1s; }
.pulse-dot.pd3 { animation:pulse 3.5s ease-in-out infinite 1.5s; }
.wave-line { animation:wave 6s ease-in-out infinite; }
.wave-line.wl2 { animation:wave 8s ease-in-out infinite 1s; }
.hero-particles { position:absolute;inset:0;overflow:hidden;pointer-events:none; }

/* -- Hero visual orbits -- */
.orbit1 { animation:spin 12s linear infinite; transform-origin:50% 50%; }
.orbit2 { animation:spinReverse 8s linear infinite; transform-origin:50% 50%; }
.orbit-dot.od1 { animation:spin 12s linear infinite; transform-origin:50px 50px; }
.orbit-dot.od2 { animation:spinReverse 8s linear infinite; transform-origin:50px 50px; }
.orbit-dot.od3 { animation:spin 10s linear infinite; transform-origin:50px 50px; }
.hero-dna { display:block;margin:0 auto; }

/* -- Glassmorphism -- */
.glass-card {
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-xl);
  padding:2.5rem;
  text-align:center;
}
.hero-card-inner { position:relative; }
.hero-pills { display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:1.5rem; }
.hero-pill {
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.35rem .85rem;border-radius:50px;
  font-size:.72rem;font-weight:600;letter-spacing:.3px;
  color:rgba(255,255,255,.8);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
}

/* -- Gradient text -- */
.gradient-text {
  background:linear-gradient(135deg,#fcd34d,#f59e0b,#fcd34d);
  background-size:200% auto;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  animation:shimmer 4s linear infinite;
}

/* -- Button glow -- */
.btn-glow { animation:glow 2.5s ease-in-out infinite; }
.btn-glow:hover { animation:none; }

/* -- Badge star spin -- */
.badge-star { animation:badgeStar 3s ease-in-out infinite; display:inline-block; }

/* -- CTA icon wrap -- */
.cta-icon-wrap {
  width:80px;height:80px;border-radius:50%;margin:0 auto 1.5rem;
  background:rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;
  animation:float 4s ease-in-out infinite;
}

/* -- Scroll Reveal -- */
.reveal { opacity:0;transform:translateY(30px);transition:all .7s cubic-bezier(.4,0,.2,1); }
.reveal.revealed { opacity:1;transform:translateY(0); }
.reveal:nth-child(2) { transition-delay:.1s; }
.reveal:nth-child(3) { transition-delay:.2s; }
.reveal:nth-child(4) { transition-delay:.3s; }
.reveal:nth-child(5) { transition-delay:.4s; }

/* -- Enhanced hover -- */
.feature-card { transition:all .4s cubic-bezier(.4,0,.2,1); }
.feature-card:hover { transform:translateY(-8px);box-shadow:0 20px 50px rgba(26,86,219,.12); }
.feature-card:hover .feature-icon { transform:scale(1.1) rotate(-5deg); }
.feature-icon { transition:all .4s cubic-bezier(.4,0,.2,1); }

.course-card { transition:all .4s cubic-bezier(.4,0,.2,1); }
.course-card:hover { transform:translateY(-8px) scale(1.01);box-shadow:0 20px 50px rgba(0,0,0,.12); }

.app-card { display:flex;flex-direction:column;transition:all .4s cubic-bezier(.4,0,.2,1); }
.app-card:hover { transform:translateY(-10px);box-shadow:0 25px 60px rgba(26,86,219,.12); }
.app-card:hover .app-icon { transform:scale(1.15) rotate(-5deg); }
.app-icon { transition:all .4s cubic-bezier(.4,0,.2,1); }

.result-card { transition:all .4s cubic-bezier(.4,0,.2,1); }
.result-card:hover { transform:translateY(-8px) scale(1.02);box-shadow:0 20px 50px rgba(0,0,0,.1); }

.testimonial-card { transition:all .4s cubic-bezier(.4,0,.2,1); }
.testimonial-card:hover { transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.08); }

/* -- Form enhanced focus -- */
.form-control:focus { border-color:var(--primary);box-shadow:0 0 0 4px rgba(26,86,219,.08);transform:scale(1.005); }
.form-control { transition:all .25s ease; }

/* -- Page header gradient animation -- */
.page-header { background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 40%,#1a56db 100%);position:relative;overflow:hidden; }
.page-header::before { content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 80% 50%,rgba(245,158,11,.1) 0%,transparent 60%); }
.page-header h1,.page-header p { position:relative;z-index:1; }

/* -- Counters enhanced -- */
.counters-section { background:linear-gradient(135deg,var(--primary) 0%,#1e3a8a 50%,var(--primary-dark) 100%);padding:4rem 0;position:relative;overflow:hidden; }
.counters-section::before { content:"";position:absolute;top:-50%;right:-20%;width:500px;height:500px;border-radius:50%;background:rgba(252,211,77,.08); }
.counters-section::after { content:"";position:absolute;bottom:-30%;left:-10%;width:400px;height:400px;border-radius:50%;background:rgba(96,165,250,.06); }
.counter-item { position:relative;z-index:1; }

/* -- Smooth nav link underline -- */
.nav-link { position:relative; }
.nav-link::after {
  content:"";position:absolute;bottom:-3px;left:50%;transform:translateX(-50%) scaleX(0);
  width:20px;height:2.5px;background:var(--primary);border-radius:2px;transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.nav-link:hover::after,.nav-link.active::after { transform:translateX(-50%) scaleX(1); }

/* -- Hero content layout fix -- */
.hero { position:relative; }
.hero-content { display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;position:relative;z-index:1; }
@media(max-width:1024px) { .hero-content{grid-template-columns:1fr;text-align:center;} .hero-visual{display:none;} .hero-actions{justify-content:center;} }

/* -- Top bar enhanced -- */
.top-bar-content { display:flex;align-items:center;justify-content:space-between; }
.top-bar-left { display:flex;gap:1.5rem; }
.top-bar-right a { transition:opacity .2s; }
.top-bar-right a:hover { opacity:.8; }

/* -- Nav container fix -- */
.nav-container { display:flex;align-items:center;gap:1.5rem; }
.nav-actions { display:flex;align-items:center;gap:.75rem;flex-shrink:0;margin-left:auto; }
@media(max-width:768px) { .nav-actions{display:none;} .nav-menu{position:absolute;top:100%;left:0;right:0;background:white;box-shadow:var(--shadow-lg);} .nav-toggle{display:flex;margin-left:auto;} }

/* -- Footer enhanced -- */
.footer-desc { font-size:.85rem;color:rgba(255,255,255,.5);line-height:1.7;margin-bottom:1.5rem; }
.footer-grid { display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:3rem; }
.footer-heading { font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:white;margin-bottom:1.25rem; }
.footer-links li { margin-bottom:.5rem; }
.footer-links a { font-size:.88rem;color:rgba(255,255,255,.55);transition:all .2s; }
.footer-links a:hover { color:white;padding-left:4px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.08);padding:1.5rem 0;text-align:center; }
@media(max-width:768px) { .footer-grid{grid-template-columns:1fr;} }


/* ======== PREMIUM ANIMATIONS ======== */

/* -- Keyframes -- */
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-15px)} }
@keyframes floatSlow { 0%,100%{transform:translate(0,0)} 50%{transform:translate(10px,-20px)} }
@keyframes pulse { 0%,100%{opacity:.4;r:4} 50%{opacity:1;r:7} }
@keyframes pulseSm { 0%,100%{opacity:.3;r:3} 50%{opacity:.8;r:5} }
@keyframes spin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
@keyframes spinReverse { from{transform:rotate(360deg)} to{transform:rotate(0deg)} }
@keyframes wave { 0%{d:path("M0 500 Q 360 420 720 500 T 1440 500")} 50%{d:path("M0 500 Q 360 480 720 460 T 1440 500")} 100%{d:path("M0 500 Q 360 420 720 500 T 1440 500")} }
@keyframes shimmer { 0%{background-position:200% center} 100%{background-position:-200% center} }
@keyframes slideUp { from{opacity:0;transform:translateY(40px)} to{opacity:1;transform:translateY(0)} }
@keyframes slideDown { from{opacity:0;transform:translateX(-50%) translateY(-20px)} to{opacity:1;transform:translateX(-50%) translateY(0)} }
@keyframes fadeInScale { from{opacity:0;transform:scale(.9)} to{opacity:1;transform:scale(1)} }
@keyframes glow { 0%,100%{box-shadow:0 0 20px rgba(245,158,11,.3)} 50%{box-shadow:0 0 35px rgba(245,158,11,.5)} }
@keyframes badgeStar { 0%,100%{transform:rotate(0deg) scale(1)} 50%{transform:rotate(20deg) scale(1.2)} }
@keyframes gradientShift { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }

/* -- SVG hero animations -- */
.hero-svg-bg { position:absolute;inset:0;width:100%;height:100%;z-index:0; }
.float-circle.fc1 { animation:floatSlow 8s ease-in-out infinite; }
.float-circle.fc2 { animation:floatSlow 10s ease-in-out infinite 2s; }
.float-circle.fc3 { animation:float 6s ease-in-out infinite 1s; }
.pulse-dot { animation:pulse 3s ease-in-out infinite; }
.pulse-dot.pd2 { animation:pulseSm 4s ease-in-out infinite 1s; }
.pulse-dot.pd3 { animation:pulse 3.5s ease-in-out infinite 1.5s; }
.wave-line { animation:wave 6s ease-in-out infinite; }
.wave-line.wl2 { animation:wave 8s ease-in-out infinite 1s; }
.hero-particles { position:absolute;inset:0;overflow:hidden;pointer-events:none; }

/* -- Hero visual orbits -- */
.orbit1 { animation:spin 12s linear infinite; transform-origin:50% 50%; }
.orbit2 { animation:spinReverse 8s linear infinite; transform-origin:50% 50%; }
.orbit-dot.od1 { animation:spin 12s linear infinite; transform-origin:50px 50px; }
.orbit-dot.od2 { animation:spinReverse 8s linear infinite; transform-origin:50px 50px; }
.orbit-dot.od3 { animation:spin 10s linear infinite; transform-origin:50px 50px; }
.hero-dna { display:block;margin:0 auto; }

/* -- Glassmorphism -- */
.glass-card {
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-xl);
  padding:2.5rem;
  text-align:center;
}
.hero-card-inner { position:relative; }
.hero-pills { display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:1.5rem; }
.hero-pill {
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.35rem .85rem;border-radius:50px;
  font-size:.72rem;font-weight:600;letter-spacing:.3px;
  color:rgba(255,255,255,.8);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
}

/* -- Gradient text -- */
.gradient-text {
  background:linear-gradient(135deg,#fcd34d,#f59e0b,#fcd34d);
  background-size:200% auto;
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  animation:shimmer 4s linear infinite;
}

/* -- Button glow -- */
.btn-glow { animation:glow 2.5s ease-in-out infinite; }
.btn-glow:hover { animation:none; }

/* -- Badge star spin -- */
.badge-star { animation:badgeStar 3s ease-in-out infinite; display:inline-block; }

/* -- CTA icon wrap -- */
.cta-icon-wrap {
  width:80px;height:80px;border-radius:50%;margin:0 auto 1.5rem;
  background:rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;
  animation:float 4s ease-in-out infinite;
}

/* -- Scroll Reveal -- */
.reveal { opacity:0;transform:translateY(30px);transition:all .7s cubic-bezier(.4,0,.2,1); }
.reveal.revealed { opacity:1;transform:translateY(0); }
.reveal:nth-child(2) { transition-delay:.1s; }
.reveal:nth-child(3) { transition-delay:.2s; }
.reveal:nth-child(4) { transition-delay:.3s; }
.reveal:nth-child(5) { transition-delay:.4s; }

/* -- Enhanced hover -- */
.feature-card { transition:all .4s cubic-bezier(.4,0,.2,1); }
.feature-card:hover { transform:translateY(-8px);box-shadow:0 20px 50px rgba(26,86,219,.12); }
.feature-card:hover .feature-icon { transform:scale(1.1) rotate(-5deg); }
.feature-icon { transition:all .4s cubic-bezier(.4,0,.2,1); }

.course-card { transition:all .4s cubic-bezier(.4,0,.2,1); }
.course-card:hover { transform:translateY(-8px) scale(1.01);box-shadow:0 20px 50px rgba(0,0,0,.12); }

.app-card { display:flex;flex-direction:column;transition:all .4s cubic-bezier(.4,0,.2,1); }
.app-card:hover { transform:translateY(-10px);box-shadow:0 25px 60px rgba(26,86,219,.12); }
.app-card:hover .app-icon { transform:scale(1.15) rotate(-5deg); }
.app-icon { transition:all .4s cubic-bezier(.4,0,.2,1); }

.result-card { transition:all .4s cubic-bezier(.4,0,.2,1); }
.result-card:hover { transform:translateY(-8px) scale(1.02);box-shadow:0 20px 50px rgba(0,0,0,.1); }

.testimonial-card { transition:all .4s cubic-bezier(.4,0,.2,1); }
.testimonial-card:hover { transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.08); }

/* -- Form enhanced focus -- */
.form-control:focus { border-color:var(--primary);box-shadow:0 0 0 4px rgba(26,86,219,.08);transform:scale(1.005); }
.form-control { transition:all .25s ease; }

/* -- Page header gradient animation -- */
.page-header { background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 40%,#1a56db 100%);position:relative;overflow:hidden; }
.page-header::before { content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 80% 50%,rgba(245,158,11,.1) 0%,transparent 60%); }
.page-header h1,.page-header p { position:relative;z-index:1; }

/* -- Counters enhanced -- */
.counters-section { background:linear-gradient(135deg,var(--primary) 0%,#1e3a8a 50%,var(--primary-dark) 100%);padding:4rem 0;position:relative;overflow:hidden; }
.counters-section::before { content:"";position:absolute;top:-50%;right:-20%;width:500px;height:500px;border-radius:50%;background:rgba(252,211,77,.08); }
.counters-section::after { content:"";position:absolute;bottom:-30%;left:-10%;width:400px;height:400px;border-radius:50%;background:rgba(96,165,250,.06); }
.counter-item { position:relative;z-index:1; }

/* -- Smooth nav link underline -- */
.nav-link { position:relative; }
.nav-link::after {
  content:"";position:absolute;bottom:-3px;left:50%;transform:translateX(-50%) scaleX(0);
  width:20px;height:2.5px;background:var(--primary);border-radius:2px;transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.nav-link:hover::after,.nav-link.active::after { transform:translateX(-50%) scaleX(1); }

/* -- Hero content layout fix -- */
.hero { position:relative; }
.hero-content { display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;position:relative;z-index:1; }
@media(max-width:1024px) { .hero-content{grid-template-columns:1fr;text-align:center;} .hero-visual{display:none;} .hero-actions{justify-content:center;} }

/* -- Top bar enhanced -- */
.top-bar-content { display:flex;align-items:center;justify-content:space-between; }
.top-bar-left { display:flex;gap:1.5rem; }
.top-bar-right a { transition:opacity .2s; }
.top-bar-right a:hover { opacity:.8; }

/* -- Nav container fix -- */
.nav-container { display:flex;align-items:center;gap:1.5rem; }
.nav-actions { display:flex;align-items:center;gap:.75rem;flex-shrink:0;margin-left:auto; }
@media(max-width:768px) { .nav-actions{display:none;} .nav-menu{position:absolute;top:100%;left:0;right:0;background:white;box-shadow:var(--shadow-lg);} .nav-toggle{display:flex;margin-left:auto;} }

/* -- Footer enhanced -- */
.footer-desc { font-size:.85rem;color:rgba(255,255,255,.5);line-height:1.7;margin-bottom:1.5rem; }
.footer-grid { display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:3rem; }
.footer-heading { font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:white;margin-bottom:1.25rem; }
.footer-links li { margin-bottom:.5rem; }
.footer-links a { font-size:.88rem;color:rgba(255,255,255,.55);transition:all .2s; }
.footer-links a:hover { color:white;padding-left:4px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.08);padding:1.5rem 0;text-align:center; }
@media(max-width:768px) { .footer-grid{grid-template-columns:1fr;} }


/* ======== MISSING & NEW CSS CLASSES ======== */

/* -- Hero Text -- */
.hero-text { max-width:600px; }
@media(max-width:1024px) { .hero-text { max-width:100%;text-align:center; } }

/* -- App Title -- */
.app-title { font-size:1.15rem;font-weight:700;margin-bottom:.5rem;color:var(--text); }

/* -- Footer Col -- */
.footer-col { min-width:0; }
.footer-col:first-child { grid-column:span 1; }

/* -- Top Bar Inner -- */
.top-bar-inner { display:flex;align-items:center;justify-content:space-between;gap:1rem; }
.top-bar-text { display:flex;align-items:center;gap:.4rem;font-size:.8rem;color:rgba(255,255,255,.8); }
.top-bar-whatsapp { display:inline-flex;align-items:center;gap:.35rem;background:rgba(37,211,102,.15);color:#25d366;padding:.25rem .75rem;border-radius:50px;font-size:.78rem;font-weight:600;text-decoration:none;transition:all .2s; }
.top-bar-whatsapp:hover { background:rgba(37,211,102,.25); }

/* -- Nav Inner -- */
.nav-inner { display:flex;align-items:center;gap:1.5rem; }
.nav-cta { display:flex;align-items:center;gap:.6rem;margin-left:auto; }
@media(max-width:768px) { .nav-cta { display:none; } }

/* -- Breadcrumb -- */
.breadcrumb { display:flex;align-items:center;gap:.5rem;margin-top:1rem;font-size:.85rem;color:rgba(255,255,255,.6); }
.breadcrumb a { color:rgba(255,255,255,.8);text-decoration:none; }
.breadcrumb a:hover { color:white; }
.breadcrumb-sep { opacity:.4; }

/* -- Counter Plus/Label -- */
.counter-plus { font-size:1.5rem;font-weight:700;color:rgba(255,255,255,.8);display:inline-block;margin-left:2px; }
.counter-label { font-size:.85rem;color:rgba(255,255,255,.6);margin-top:.25rem; }

/* -- Books Grid & Cards -- */
.books-grid { display:grid;grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));gap:1.5rem; }
.book-card { background:white;border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden;transition:all .3s; }
.book-card:hover { transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.08);border-color:var(--primary); }
.book-cover { height:220px;background:linear-gradient(135deg,var(--bg-gray),#e2e8f0);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative; }
.book-cover img { width:100%;height:100%;object-fit:cover; }
.book-cover-placeholder { display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:1.5rem;text-align:center;color:var(--text-light); }
.book-info { padding:1.25rem; }
.book-title { font-size:1rem;font-weight:700;margin-bottom:.25rem;color:var(--text); }
.book-subject { font-size:.75rem;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.35rem; }
.book-author { font-size:.82rem;color:var(--text-muted);margin-bottom:.75rem; }
.book-exam-tag { display:inline-block;padding:.25rem .65rem;border-radius:50px;font-size:.72rem;font-weight:600;background:var(--primary-light);color:var(--primary); }

/* -- Materials Grid & Cards -- */
.materials-grid { display:grid;grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));gap:1.5rem; }
.material-card { background:white;border-radius:var(--radius-lg);border:1px solid var(--border);padding:1.5rem;display:flex;flex-direction:column;transition:all .3s; }
.material-card:hover { transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.08);border-color:var(--primary); }
.material-icon { width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem; }
.material-title { font-size:1rem;font-weight:700;margin-bottom:.5rem;color:var(--text); }
.material-meta { font-size:.85rem;color:var(--text-muted);margin-bottom:1rem;line-height:1.6; }

/* -- Contact Grid & Items -- */
.contact-grid { display:grid;grid-template-columns:1fr 1fr;gap:3rem; }
@media(max-width:768px) { .contact-grid { grid-template-columns:1fr; } }
.contact-info { display:flex;flex-direction:column;gap:1.25rem; }
.contact-item { display:flex;align-items:flex-start;gap:1rem;padding:1.25rem;background:var(--bg-gray);border-radius:var(--radius-md);transition:all .2s; }
.contact-item:hover { background:var(--primary-light); }
.contact-item-icon { width:48px;height:48px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;flex-shrink:0; }
.contact-item-label { font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.2rem; }
.contact-item-value { font-size:.92rem;color:var(--text);font-weight:500; }
.contact-item-value a { color:var(--primary);text-decoration:none; }
.contact-item-value a:hover { text-decoration:underline; }

/* -- Footer Additions -- */
.footer-top { padding-bottom:2.5rem; }
.footer-logo { display:flex;align-items:center;gap:.75rem;margin-bottom:1rem; }
.footer-logo-text { font-family:var(--font-head);font-weight:800;font-size:1.1rem;color:white; }
.footer-tagline { font-size:.85rem;color:rgba(255,255,255,.5);line-height:1.7;margin-bottom:1.5rem; }
.footer-social { display:flex;gap:.75rem; }
.footer-social a { width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.5);transition:all .2s; }
.footer-social a:hover { background:rgba(255,255,255,.15);color:white;transform:translateY(-2px); }
.footer-contact-list { list-style:none;padding:0; }
.footer-contact-list li { display:flex;align-items:flex-start;gap:.6rem;margin-bottom:.75rem;font-size:.85rem;color:rgba(255,255,255,.55); }
.footer-contact-list li svg { flex-shrink:0;margin-top:2px;color:rgba(255,255,255,.35); }
.footer-contact-list a { color:rgba(255,255,255,.55);text-decoration:none; }
.footer-contact-list a:hover { color:white; }
.footer-bottom-inner { display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:rgba(255,255,255,.4); }
.footer-admin-link a { color:rgba(255,255,255,.25);text-decoration:none;font-size:.75rem; }
.footer-admin-link a:hover { color:rgba(255,255,255,.5); }
@media(max-width:768px) { .footer-bottom-inner { flex-direction:column;gap:.5rem; } }

/* -- Form Card & Grid -- */
.form-card { background:white;border-radius:var(--radius-xl);padding:2.5rem;border:1px solid var(--border);box-shadow:0 4px 20px rgba(0,0,0,.04); }
.form-grid { display:grid;grid-template-columns:1fr 1fr;gap:1rem; }
.form-group.full { grid-column:1 / -1; }
.form-label.required::after { content:" *";color:#ef4444; }
@media(max-width:640px) { .form-grid { grid-template-columns:1fr; } }

/* -- Course Feature Item -- */
.course-feature { display:flex;align-items:center;gap:.4rem;font-size:.85rem;color:var(--text-muted); }
.course-feature svg { flex-shrink:0;color:var(--success); }

/* -- Hero Badge -- */
.hero-badge { display:inline-flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.9);padding:.4rem 1rem;border-radius:50px;font-size:.82rem;font-weight:600;margin-bottom:1.25rem; }

/* -- Hero subtitle / actions -- */
.hero-subtitle { font-size:1.1rem;color:rgba(255,255,255,.7);line-height:1.8;max-width:520px;margin-bottom:2rem; }
@media(max-width:1024px) { .hero-subtitle { max-width:100%;margin-left:auto;margin-right:auto; } }
.hero-actions { display:flex;gap:1rem;flex-wrap:wrap; }
@media(max-width:1024px) { .hero-actions { justify-content:center; } }

/* -- Responsive about page -- */
@media(max-width:768px) {
  [style*="grid-template-columns:1fr 1fr"] { grid-template-columns:1fr !important; }
  .counters-section [style*="repeat(4,1fr)"] { grid-template-columns:repeat(2,1fr) !important; }
}

/* -- Hide text on mobile utility -- */
@media(max-width:640px) { .hide-mobile { display:none !important; } }

/* -- Homepage About Section -- */
.about-content > div { transition:all .35s ease; }
.about-content > div:hover { transform:translateY(-4px);box-shadow:0 15px 40px rgba(0,0,0,.08) !important; }
@media(max-width:768px) {
  .about-content { grid-template-columns:1fr !important;gap:1.25rem !important; }
  .about-content + .reveal { grid-template-columns:repeat(2,1fr) !important; }
}
@media(max-width:480px) {
  .about-content + .reveal { grid-template-columns:1fr !important; }
}


/* ======== MISSING & NEW CSS CLASSES ======== */

/* -- Hero Text -- */
.hero-text { max-width:600px; }
@media(max-width:1024px) { .hero-text { max-width:100%;text-align:center; } }

/* -- App Title -- */
.app-title { font-size:1.15rem;font-weight:700;margin-bottom:.5rem;color:var(--text); }

/* -- Footer Col -- */
.footer-col { min-width:0; }
.footer-col:first-child { grid-column:span 1; }

/* -- Top Bar Inner -- */
.top-bar-inner { display:flex;align-items:center;justify-content:space-between;gap:1rem; }
.top-bar-text { display:flex;align-items:center;gap:.4rem;font-size:.8rem;color:rgba(255,255,255,.8); }
.top-bar-whatsapp { display:inline-flex;align-items:center;gap:.35rem;background:rgba(37,211,102,.15);color:#25d366;padding:.25rem .75rem;border-radius:50px;font-size:.78rem;font-weight:600;text-decoration:none;transition:all .2s; }
.top-bar-whatsapp:hover { background:rgba(37,211,102,.25); }

/* -- Nav Inner -- */
.nav-inner { display:flex;align-items:center;gap:1.5rem; }
.nav-cta { display:flex;align-items:center;gap:.6rem;margin-left:auto; }
@media(max-width:768px) { .nav-cta { display:none; } }

/* -- Breadcrumb -- */
.breadcrumb { display:flex;align-items:center;gap:.5rem;margin-top:1rem;font-size:.85rem;color:rgba(255,255,255,.6); }
.breadcrumb a { color:rgba(255,255,255,.8);text-decoration:none; }
.breadcrumb a:hover { color:white; }
.breadcrumb-sep { opacity:.4; }

/* -- Counter Plus/Label -- */
.counter-plus { font-size:1.5rem;font-weight:700;color:rgba(255,255,255,.8);display:inline-block;margin-left:2px; }
.counter-label { font-size:.85rem;color:rgba(255,255,255,.6);margin-top:.25rem; }

/* -- Books Grid & Cards -- */
.books-grid { display:grid;grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));gap:1.5rem; }
.book-card { background:white;border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden;transition:all .3s; }
.book-card:hover { transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.08);border-color:var(--primary); }
.book-cover { height:220px;background:linear-gradient(135deg,var(--bg-gray),#e2e8f0);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative; }
.book-cover img { width:100%;height:100%;object-fit:cover; }
.book-cover-placeholder { display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:1.5rem;text-align:center;color:var(--text-light); }
.book-info { padding:1.25rem; }
.book-title { font-size:1rem;font-weight:700;margin-bottom:.25rem;color:var(--text); }
.book-subject { font-size:.75rem;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.35rem; }
.book-author { font-size:.82rem;color:var(--text-muted);margin-bottom:.75rem; }
.book-exam-tag { display:inline-block;padding:.25rem .65rem;border-radius:50px;font-size:.72rem;font-weight:600;background:var(--primary-light);color:var(--primary); }

/* -- Materials Grid & Cards -- */
.materials-grid { display:grid;grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));gap:1.5rem; }
.material-card { background:white;border-radius:var(--radius-lg);border:1px solid var(--border);padding:1.5rem;display:flex;flex-direction:column;transition:all .3s; }
.material-card:hover { transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.08);border-color:var(--primary); }
.material-icon { width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem; }
.material-title { font-size:1rem;font-weight:700;margin-bottom:.5rem;color:var(--text); }
.material-meta { font-size:.85rem;color:var(--text-muted);margin-bottom:1rem;line-height:1.6; }

/* -- Contact Grid & Items -- */
.contact-grid { display:grid;grid-template-columns:1fr 1fr;gap:3rem; }
@media(max-width:768px) { .contact-grid { grid-template-columns:1fr; } }
.contact-info { display:flex;flex-direction:column;gap:1.25rem; }
.contact-item { display:flex;align-items:flex-start;gap:1rem;padding:1.25rem;background:var(--bg-gray);border-radius:var(--radius-md);transition:all .2s; }
.contact-item:hover { background:var(--primary-light); }
.contact-item-icon { width:48px;height:48px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;flex-shrink:0; }
.contact-item-label { font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.2rem; }
.contact-item-value { font-size:.92rem;color:var(--text);font-weight:500; }
.contact-item-value a { color:var(--primary);text-decoration:none; }
.contact-item-value a:hover { text-decoration:underline; }

/* -- Footer Additions -- */
.footer-top { padding-bottom:2.5rem; }
.footer-logo { display:flex;align-items:center;gap:.75rem;margin-bottom:1rem; }
.footer-logo-text { font-family:var(--font-head);font-weight:800;font-size:1.1rem;color:white; }
.footer-tagline { font-size:.85rem;color:rgba(255,255,255,.5);line-height:1.7;margin-bottom:1.5rem; }
.footer-social { display:flex;gap:.75rem; }
.footer-social a { width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.5);transition:all .2s; }
.footer-social a:hover { background:rgba(255,255,255,.15);color:white;transform:translateY(-2px); }
.footer-contact-list { list-style:none;padding:0; }
.footer-contact-list li { display:flex;align-items:flex-start;gap:.6rem;margin-bottom:.75rem;font-size:.85rem;color:rgba(255,255,255,.55); }
.footer-contact-list li svg { flex-shrink:0;margin-top:2px;color:rgba(255,255,255,.35); }
.footer-contact-list a { color:rgba(255,255,255,.55);text-decoration:none; }
.footer-contact-list a:hover { color:white; }
.footer-bottom-inner { display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:rgba(255,255,255,.4); }
.footer-admin-link a { color:rgba(255,255,255,.25);text-decoration:none;font-size:.75rem; }
.footer-admin-link a:hover { color:rgba(255,255,255,.5); }
@media(max-width:768px) { .footer-bottom-inner { flex-direction:column;gap:.5rem; } }

/* -- Form Card & Grid -- */
.form-card { background:white;border-radius:var(--radius-xl);padding:2.5rem;border:1px solid var(--border);box-shadow:0 4px 20px rgba(0,0,0,.04); }
.form-grid { display:grid;grid-template-columns:1fr 1fr;gap:1rem; }
.form-group.full { grid-column:1 / -1; }
.form-label.required::after { content:" *";color:#ef4444; }
@media(max-width:640px) { .form-grid { grid-template-columns:1fr; } }

/* -- Course Feature Item -- */
.course-feature { display:flex;align-items:center;gap:.4rem;font-size:.85rem;color:var(--text-muted); }
.course-feature svg { flex-shrink:0;color:var(--success); }

/* -- Hero Badge -- */
.hero-badge { display:inline-flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.9);padding:.4rem 1rem;border-radius:50px;font-size:.82rem;font-weight:600;margin-bottom:1.25rem; }

/* -- Hero subtitle / actions -- */
.hero-subtitle { font-size:1.1rem;color:rgba(255,255,255,.7);line-height:1.8;max-width:520px;margin-bottom:2rem; }
@media(max-width:1024px) { .hero-subtitle { max-width:100%;margin-left:auto;margin-right:auto; } }
.hero-actions { display:flex;gap:1rem;flex-wrap:wrap; }
@media(max-width:1024px) { .hero-actions { justify-content:center; } }

/* -- Responsive about page -- */
@media(max-width:768px) {
  [style*="grid-template-columns:1fr 1fr"] { grid-template-columns:1fr !important; }
  .counters-section [style*="repeat(4,1fr)"] { grid-template-columns:repeat(2,1fr) !important; }
}

/* -- Hide text on mobile utility -- */
@media(max-width:640px) { .hide-mobile { display:none !important; } }

/* -- Homepage About Section -- */
.about-content > div { transition:all .35s ease; }
.about-content > div:hover { transform:translateY(-4px);box-shadow:0 15px 40px rgba(0,0,0,.08) !important; }
@media(max-width:768px) {
  .about-content { grid-template-columns:1fr !important;gap:1.25rem !important; }
  .about-content + .reveal { grid-template-columns:repeat(2,1fr) !important; }
}
@media(max-width:480px) {
  .about-content + .reveal { grid-template-columns:1fr !important; }
}