/* ===================================================
   GLOBAL DESIGN SYSTEM (Enhanced Visual Version)
   Youth English Training — Style Sheet
   TKid (Top Your Kid)
=================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Nunito:wght@400;600;700;800&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

/* --- CSS Variables (Design Tokens) --- */
:root {
  --clr-bg:        #f8fafc;
  --clr-surface:   #ffffff;
  --clr-card:      #ffffff;
  --clr-border:    rgba(226, 232, 240, 0.85);
  --clr-border-glow: rgba(108, 99, 255, 0.25);

  --clr-primary:   #6c63ff;
  --clr-primary-dark: #5b52e0;
  --clr-secondary: #ff6584;
  --clr-accent:    #00d2d3;
  --clr-gold:      #ffb703;

  --clr-text:      #334155;
  --clr-muted:     #64748b;
  --clr-heading:   #0f172a;
  --clr-nav-bg:    rgba(255, 255, 255, 0.88);

  /* Course palette with vibrant gradients */
  --clr-powerup:   #ff4757;
  --clr-powerup-grad: linear-gradient(135deg, #ff4757, #ff6b81);
  --clr-fox:       #ff9f43;
  --clr-lls:       #ff9f43;
  --clr-lls-grad:  linear-gradient(135deg, #ff9f43, #feca57);
  --clr-wonders:   #54a0ff;
  --clr-wonders-grad: linear-gradient(135deg, #54a0ff, #2e86de);
  --clr-unlock:    #5f27cd;
  --clr-unlock-grad: linear-gradient(135deg, #5f27cd, #341f97);
  --clr-reading:   #00d2d3;
  --clr-reading-grad: linear-gradient(135deg, #00d2d3, #00a8ff);

  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(0,0,0,0.02);
  --shadow-md: 0 12px 32px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(108, 99, 255, 0.06);
  --shadow-lg: 0 24px 48px -8px rgba(15, 23, 42, 0.12), 0 8px 24px -4px rgba(108, 99, 255, 0.15);
  --shadow-glow: 0 0 30px rgba(108, 99, 255, 0.25);

  --nav-height: 64px;
  --transition: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout Container */
  --container-max-width: 1240px;
  --container-padding: 24px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 15px; overflow-y: scroll; scrollbar-gutter: stable; }
body {
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Container Utility --- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--clr-primary), #8b5cf6); border-radius: 4px; }

/* ===================================================
   NAVIGATION (Glassmorphism Header)
=================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: var(--clr-nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
}
.navbar .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
  border-bottom-color: rgba(108, 99, 255, 0.15);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--clr-heading);
  letter-spacing: -0.5px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
.nav-logo:hover {
  transform: scale(1.02);
}
.logo-t {
  color: #7c3aed; /* Vibrant Purple */
  font-weight: 900;
}
.logo-kid {
  color: #ff4757; /* Vibrant Red */
  font-weight: 900;
}
.nav-logo .logo-icon {
  width: 36px; height: 36px;
  object-fit: contain;
  border-radius: 10px;
  display: block;
  box-shadow: 0 4px 14px rgba(108,99,255,0.3);
  transition: transform 0.3s ease;
}
.nav-logo:hover .logo-icon {
  transform: rotate(-6deg) scale(1.08);
}
.nav-logo span { color: var(--clr-primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links li {
  display: flex;
  align-items: center;
}
.nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--clr-muted);
  transition: all var(--transition-fast);
  position: relative;
  cursor: pointer;
  user-select: none;
}
.nav-links a:hover {
  color: var(--clr-primary);
  background: rgba(108,99,255,0.12);
  transform: translateY(-1px);
}
.nav-links a.active {
  color: var(--clr-primary);
  background: rgba(108,99,255,0.16);
  font-weight: 700;
}
.nav-cta {
  margin-left: 14px;
  padding: 8px 20px !important;
  background: linear-gradient(135deg, var(--clr-primary) 0%, #8b5cf6 50%, #7c3aed 100%) !important;
  color: #fff !important;
  border-radius: 100px !important;
  font-weight: 700 !important;
  box-shadow: 0 6px 20px rgba(108,99,255,0.35);
  transition: var(--transition) !important;
  position: relative;
  overflow: hidden;
}
.nav-cta::after {
  content: '';
  position: absolute;
  top: -50%; left: -60%;
  width: 40%; height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: rotate(25deg);
  transition: left 0.6s ease;
}
.nav-cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 25px rgba(108,99,255,0.5) !important;
}
.nav-cta:hover::after {
  left: 130%;
}

/* Navigation Actions & Persistent Home Button */
.nav-actions {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 8px !important;
  flex-shrink: 0;
}
.nav-home-btn {
  display: none;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  border-radius: 100px;
  background: rgba(108, 99, 255, 0.09);
  border: 1.5px solid rgba(108, 99, 255, 0.28);
  color: var(--clr-primary);
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
  transition: var(--transition-fast);
  white-space: nowrap;
}
.nav-home-btn:hover {
  background: var(--clr-primary);
  color: #ffffff;
  border-color: var(--clr-primary);
  box-shadow: 0 4px 14px rgba(108, 99, 255, 0.35);
  transform: translateY(-1px);
}
.nav-home-btn:active {
  transform: scale(0.96);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  background: rgba(108,99,255,0.06);
}
.nav-toggle span {
  width: 22px; height: 2.5px;
  background: var(--clr-heading);
  border-radius: 4px;
  transition: var(--transition-fast);
}

/* ===================================================
   PAGE WRAPPER
=================================================== */
.page-wrapper { padding-top: var(--nav-height); }

/* ===================================================
   HERO SECTION (Rich Ambient Glow & Interactive Visual)
=================================================== */
.hero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  padding: 60px 0 50px;
  overflow: hidden;
  background: #ffffff;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(108,99,255,0.18) 0%, transparent 45%),
    radial-gradient(circle at 15% 80%, rgba(67,232,216,0.15) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(255,101,132,0.08) 0%, transparent 60%);
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(108,99,255,0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.8;
  z-index: 0;
}
.hero-container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.hero-content {
  max-width: 620px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.25);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 20px;
  letter-spacing: 0.2px;
  box-shadow: 0 4px 12px rgba(108,99,255,0.1);
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--clr-accent);
  animation: pulseGlow 2s infinite ease-in-out;
}
@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.6; }
}
.hero-title {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--clr-heading);
  letter-spacing: -1.2px;
  margin-bottom: 18px;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-accent) 50%, var(--clr-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.05rem;
  color: var(--clr-muted);
  max-width: 520px;
  margin-bottom: 30px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

/* Button Component Refinements */
.btn-primary {
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--clr-primary) 0%, #8b5cf6 50%, #7c3aed 100%);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(108,99,255,0.35);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%; left: -60%;
  width: 40%; height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: rotate(25deg);
  transition: left 0.6s ease;
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 28px rgba(108,99,255,0.5);
}
.btn-primary:hover::after {
  left: 130%;
}
.btn-outline {
  padding: 11px 24px;
  background: rgba(255,255,255,0.8);
  border: 1.5px solid rgba(226, 232, 240, 0.9);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--clr-heading);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(108,99,255,0.08);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(108,99,255,0.12);
}

/* Hero Visual Orb & Floating Glass Cards */
.hero-visual {
  position: relative;
  width: 360px;
  height: 360px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-orb {
  width: 270px; height: 270px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%,
    rgba(108,99,255,0.35),
    rgba(67,232,216,0.2),
    rgba(255,101,132,0.1) 70%);
  border: 2px solid rgba(255,255,255,0.8);
  box-shadow: 0 20px 50px rgba(108,99,255,0.3);
  position: relative;
  animation: floatOrb 6s ease-in-out infinite;
  backdrop-filter: blur(10px);
}
@keyframes floatOrb {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(3deg); }
}
.hero-orb::before {
  content: '';
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  border: 1.5px dashed rgba(255,255,255,0.6);
  animation: rotateCircle 20s linear infinite;
}
@keyframes rotateCircle {
  100% { transform: rotate(360deg); }
}
.hero-orb::after {
  content: '🎓';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3.8rem;
  filter: drop-shadow(0 10px 20px rgba(108,99,255,0.4));
}

.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12), 0 0 15px rgba(108,99,255,0.1);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: transform 0.3s ease;
}
.floating-card:hover {
  transform: scale(1.06) translateY(-4px) !important;
}
.floating-card.fc1 {
  top: 2%; left: -6%;
  animation: floatOrb 7s ease-in-out infinite 1s;
  color: #d97706;
}
.floating-card.fc2 {
  bottom: 5%; right: -6%;
  animation: floatOrb 5.5s ease-in-out infinite 0.5s;
  color: #0d9488;
}
.floating-card.fc3 {
  top: 58%; left: -12%;
  animation: floatOrb 8s ease-in-out infinite 2s;
  color: #e11d48;
}

/* Stats Counter Grid */
.hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--clr-border);
}
.stat-item {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  transition: var(--transition);
}
.stat-item:hover {
  transform: translateY(-3px);
  background: #ffffff;
  border-color: rgba(108,99,255,0.3);
  box-shadow: var(--shadow-md);
}
.stat-num {
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 900;
  color: #7c3aed !important;
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: 4px;
  white-space: nowrap;
}
.stat-num span {
  background: none !important;
  -webkit-text-fill-color: #7c3aed !important;
  color: #7c3aed !important;
  font-size: 0.85em;
  font-weight: 800;
  margin-left: 1px;
}
.stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-muted);
}

/* ===================================================
   SECTION COMMONS
=================================================== */
section { padding: 60px 0; }
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 36px;
}
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--clr-primary);
  background: rgba(108,99,255,0.08);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.4rem);
  font-weight: 800;
  color: var(--clr-heading);
  letter-spacing: -0.8px;
  line-height: 1.25;
  margin-bottom: 12px;
}
.section-desc {
  font-size: 0.98rem;
  color: var(--clr-muted);
  line-height: 1.7;
}

/* ===================================================
   COURSES PREVIEW GRID (Interactive Cards with Glowing Hover)
=================================================== */
.courses-preview {
  background: linear-gradient(180deg, #f8fafc 0%, #edf2f7 100%);
  position: relative;
}
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}
.course-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 26px 24px;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.course-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  opacity: 0.85;
  transition: var(--transition);
}
.course-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.course-card.powerup::before { background: var(--clr-powerup-grad); }
.course-card.powerup:hover   { box-shadow: 0 20px 40px rgba(255,71,87,0.22); border-color: rgba(255,71,87,0.3); }

.course-card.fox::before,
.course-card.lls::before    { background: var(--clr-lls-grad); }
.course-card.lls:hover      { box-shadow: 0 20px 40px rgba(255,159,67,0.22); border-color: rgba(255,159,67,0.3); }

.course-card.wonders::before { background: var(--clr-wonders-grad); }
.course-card.wonders:hover  { box-shadow: 0 20px 40px rgba(84,160,255,0.22); border-color: rgba(84,160,255,0.3); }

.course-card.unlock::before  { background: var(--clr-unlock-grad); }
.course-card.unlock:hover   { box-shadow: 0 20px 40px rgba(95,39,205,0.22); border-color: rgba(95,39,205,0.3); }

.course-card.reading::before { background: var(--clr-reading-grad); }
.course-card.reading:hover  { box-shadow: 0 20px 40px rgba(0,210,211,0.22); border-color: rgba(0,210,211,0.3); }

.course-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem;
  margin-bottom: 16px;
  transition: transform 0.3s ease;
}
.course-card:hover .course-icon {
  transform: scale(1.12) rotate(4deg);
}
.course-card.powerup .course-icon { background: rgba(255,71,87,0.12); }
.course-card.fox .course-icon,
.course-card.lls .course-icon     { background: rgba(255,159,67,0.12); }
.course-card.wonders .course-icon { background: rgba(84,160,255,0.12); }
.course-card.unlock .course-icon  { background: rgba(95,39,205,0.12); }
.course-card.reading .course-icon { background: rgba(0,210,211,0.12); }

.course-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--clr-heading);
  margin-bottom: 4px;
}
.course-series {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 10px;
}
.course-desc {
  font-size: 0.9rem;
  color: var(--clr-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
}
.course-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 700;
}
.tag-age { background: rgba(108,99,255,0.12); color: var(--clr-primary); }
.tag-level { background: rgba(0,210,211,0.12); color: #059669; }
.courses-cta { text-align: center; }

/* ===================================================
   FEATURES SECTION (Advantage Cards)
=================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.feature-card:hover {
  border-color: rgba(108,99,255,0.3);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: inline-block;
  padding: 10px;
  background: rgba(108,99,255,0.08);
  border-radius: var(--radius-md);
}
.feature-title {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--clr-heading);
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 0.9rem;
  color: var(--clr-muted);
  line-height: 1.65;
}

/* ===================================================
   TESTIMONIALS (Parent Reviews)
=================================================== */
.testimonials {
  background: linear-gradient(180deg, #f8fafc 0%, #edf2f7 100%);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.testimonial-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 26px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(108,99,255,0.2);
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 14px; left: 20px;
  font-size: 3rem;
  line-height: 1;
  color: var(--clr-primary);
  opacity: 0.15;
  font-family: Georgia, serif;
}
.testimonial-text {
  font-size: 0.92rem;
  color: var(--clr-text);
  line-height: 1.7;
  margin-bottom: 18px;
  padding-top: 10px;
  position: relative;
  z-index: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(108,99,255,0.25);
}
.author-name {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--clr-heading);
}
.author-role {
  font-size: 0.78rem;
  color: var(--clr-muted);
}
.stars {
  color: var(--clr-gold);
  font-size: 0.85rem;
  margin-bottom: 8px;
  letter-spacing: 2px;
}

/* ===================================================
   CTA BANNER
=================================================== */
.cta-banner {
  background: linear-gradient(135deg,
    rgba(108,99,255,0.18) 0%,
    rgba(67,232,216,0.12) 50%,
    rgba(255,101,132,0.15) 100%);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 50px 0 !important;
  position: relative;
  overflow: hidden;
}
.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.cta-inner h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 900;
  color: var(--clr-heading);
  margin-bottom: 14px;
  letter-spacing: -0.8px;
}
.cta-inner p {
  font-size: 1rem;
  color: var(--clr-muted);
  margin-bottom: 24px;
}

/* ===================================================
   FOOTER
=================================================== */
footer {
  background: #0f172a;
  color: #94a3b8;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 50px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
.footer-brand .nav-logo,
.footer-brand .footer-logo {
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  text-decoration: none;
}
.footer-brand .logo-icon,
.footer-brand .footer-logo img,
.footer-brand img {
  width: 32px;
  height: 32px;
  max-width: 32px;
  max-height: 32px;
  object-fit: contain;
  border-radius: 8px;
  display: block;
}
.footer-brand p {
  font-size: 0.88rem;
  color: #94a3b8;
  line-height: 1.7;
  margin-top: 12px;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #ffffff;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: #94a3b8;
  transition: var(--transition-fast);
  display: inline-block;
}
.footer-col ul li a:hover {
  color: #6c63ff;
  transform: translateX(4px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: #64748b;
}
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  color: #cbd5e1;
  transition: var(--transition-fast);
  cursor: pointer;
}
.social-link:hover {
  background: rgba(108,99,255,0.25);
  border-color: var(--clr-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ===================================================
   PAGE HERO (Subpages Banner)
=================================================== */
.page-hero {
  padding: 50px 0 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border-bottom: 1px solid var(--clr-border);
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 50% 50%, rgba(108,99,255,0.12) 0%, transparent 70%),
    var(--clr-bg);
  z-index: 0;
}
.page-hero > * { position: relative; z-index: 1; }
.page-hero .section-tag { margin-bottom: 12px; }
.page-hero h1 {
  font-size: clamp(1.75rem, 3.2vw, 2.4rem);
  font-weight: 900;
  color: var(--clr-heading);
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 12px;
}
.page-hero p {
  font-size: 1.02rem;
  color: var(--clr-muted);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ===================================================
   COURSES FULL PAGE (Directory)
=================================================== */
body[data-page="courses"] .page-hero {
  padding-bottom: 24px;
}
.courses-full {
  background: var(--clr-bg);
  padding: 20px 0 60px;
}
.course-level-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
@media (max-width: 640px) {
  body[data-page="courses"] .page-hero {
    padding-bottom: 18px;
  }
  .courses-full {
    padding: 16px 0 40px;
  }
  .course-level-legend {
    gap: 10px;
    margin-bottom: 18px;
  }
}
.course-full-card {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: start;
  gap: 22px;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 26px;
  margin-bottom: 20px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.course-full-card:hover {
  border-color: rgba(108,99,255,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.course-full-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}
.course-full-body h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--clr-heading);
  margin-bottom: 4px;
}
.course-full-body .series-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--clr-muted);
  margin-bottom: 10px;
}
.course-full-body p {
  font-size: 0.92rem;
  color: var(--clr-muted);
  line-height: 1.65;
  margin-bottom: 14px;
  max-width: 640px;
}
.course-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--clr-muted);
  background: rgba(241, 245, 249, 0.8);
  padding: 4px 12px;
  border-radius: 100px;
}
.meta-item strong { color: var(--clr-heading); font-weight: 700; }
.course-full-action { flex-shrink: 0; display: flex; flex-direction: column; gap: 10px; }

/* ===================================================
   ABOUT PAGE
=================================================== */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-story-img {
  width: 100%;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, rgba(108,99,255,0.12), rgba(67,232,216,0.08));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(108,99,255,0.2);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.4rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.value-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.value-card:hover {
  border-color: rgba(108,99,255,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.value-icon { font-size: 1.8rem; margin-bottom: 12px; }
.value-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--clr-heading);
  margin-bottom: 8px;
}
.value-desc { font-size: 0.88rem; color: var(--clr-muted); line-height: 1.6; }

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.team-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.team-card:hover {
  transform: translateY(-6px);
  border-color: rgba(108,99,255,0.25);
  box-shadow: var(--shadow-md);
}
.team-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 6px 18px rgba(108,99,255,0.3);
}
.team-name {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--clr-heading);
  margin-bottom: 4px;
}
.team-role {
  font-size: 0.82rem;
  color: var(--clr-muted);
  margin-bottom: 8px;
}
.team-country { font-size: 0.85rem; font-weight: 600; }

/* ===================================================
   CONTACT PAGE
=================================================== */
.contact-layout {
  display: flex;
  justify-content: center;
  gap: 48px;
  align-items: start;
  flex-wrap: wrap;
}
.contact-info {
  flex: 1;
  min-width: 290px;
  max-width: 600px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
  background: var(--clr-card);
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.contact-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(108,99,255,0.25);
}
.contact-icon {
  width: 44px; height: 44px;
  background: rgba(108,99,255,0.12);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.contact-label {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--clr-muted);
  margin-bottom: 2px;
}
.contact-value {
  font-size: 0.95rem;
  color: var(--clr-heading);
  font-weight: 700;
}
.contact-form {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.form-group { margin-bottom: 18px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-heading);
  margin-bottom: 6px;
}
input, select, textarea {
  width: 100%;
  background: #f8fafc;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  color: var(--clr-heading);
  font-family: inherit;
  font-size: 0.92rem;
  transition: var(--transition-fast);
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--clr-primary);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(108,99,255,0.15);
}
textarea { resize: vertical; min-height: 100px; }

/* ===================================================
   RESPONSIVE (Screen Breakpoints)
=================================================== */
@media (max-width: 992px) {
  .hero-container { flex-direction: column; text-align: center; gap: 30px; }
  .hero-content { max-width: 100%; margin: 0 auto; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-visual { width: 300px; height: 300px; }
  .hero-orb { width: 220px; height: 220px; }
  .about-story { grid-template-columns: 1fr; gap: 32px; }
  .about-values { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 32px; }
  .course-full-card { grid-template-columns: 1fr; gap: 16px; }
  .course-full-action { flex-direction: row; }
}
@media (max-width: 640px) {
  :root { --nav-height: 60px; }
  section { padding: 40px 0; }
  .hero { padding: 40px 0 30px; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 20px;
    border-bottom: 1px solid var(--clr-border);
    gap: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  }
  .nav-links.open { display: flex; }
  .nav-home-btn { display: inline-flex; }
  .nav-toggle { display: flex; }
  .about-values { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .form-row { grid-template-columns: 1fr; }
  .about-story-img { font-size: 3rem; }
  .contact-form { padding: 22px; }
}

/* ===================================================
   ANIMATIONS & UTILITIES
=================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }