:root {
  --blue: #0066FF;
  --blue-dark: #0044CC;
  --green: #00C853;
  --green-light: #69F0AE;
  --teal: #00BFA5;
  --gradient: linear-gradient(135deg, #0066FF 0%, #00C853 100%);
  --gradient-soft: linear-gradient(135deg, rgba(0,102,255,0.08) 0%, rgba(0,200,83,0.08) 100%);
  --gradient-medium: linear-gradient(135deg, rgba(0,102,255,0.15) 0%, rgba(0,200,83,0.15) 100%);
  --bg-primary: #FFFFFF;
  --bg-secondary: #F4F7FC;
  --bg-tertiary: #EDF1F9;
  --text-primary: #1A1F36;
  --text-secondary: #4A5568;
  --text-muted: #718096;
  --shadow-sm: 0 2px 8px rgba(0,40,100,0.06);
  --shadow-md: 0 8px 30px rgba(0,40,100,0.08);
  --shadow-lg: 0 20px 60px rgba(0,40,100,0.1);
  --shadow-glow: 0 8px 40px rgba(0,102,255,0.15);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6,
.hero h1,
.section-title,
.stat-number,
.step-number,
.program-header h3,
.popular-card-body h4,
.why-card h4,
.cert-card-display h2,
.cta-card h2,
.hero-main-card h3,
.floating-badge .number,
.hero-stat .number,
.nav-cta,
.btn-primary,
.btn-secondary,
.btn-white,
.program-tab,
.hero-badge,
.section-label,
.program-age-badge {
  font-family: 'Sora', sans-serif;
}

/* ====== SCROLL ANIMATIONS ====== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ====== NAVBAR ====== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s ease;
  background: transparent;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(0,40,100,0.08);
  padding: 10px 0;
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo img {
  height: 55px;
  transition: transform 0.3s ease;
}
.nav-logo img:hover { transform: scale(1.05); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 15px;
  position: relative;
  transition: color 0.3s ease;
  font-family: 'Sora', sans-serif;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width 0.3s ease;
  border-radius: 1px;
}
.nav-links a:hover { color: var(--blue); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--gradient);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.nav-cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-glow);
}
.nav-cta::after { display: none !important; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  width: 26px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ====== HERO ====== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(170deg, #FFFFFF 0%, #F0F4FF 40%, #E8FFF0 70%, #F4F7FC 100%);
}
.hero-bg-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}
.hero-shape-1 {
  width: 500px; height: 500px;
  background: rgba(0,102,255,0.12);
  top: -10%; right: -5%;
  animation-delay: 0s;
}
.hero-shape-2 {
  width: 400px; height: 400px;
  background: rgba(0,200,83,0.1);
  bottom: -5%; left: -5%;
  animation-delay: -3s;
}
.hero-shape-3 {
  width: 300px; height: 300px;
  background: rgba(0,191,165,0.08);
  top: 30%; left: 40%;
  animation-delay: -5s;
}
/* Floating circuit dots */
.circuit-dot {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
  opacity: 0.2;
  animation: pulse-dot 3s ease-in-out infinite;
}
.circuit-dot:nth-child(4) { top: 15%; left: 10%; animation-delay: 0s; }
.circuit-dot:nth-child(5) { top: 25%; right: 15%; animation-delay: 0.5s; background: var(--green); }
.circuit-dot:nth-child(6) { bottom: 30%; left: 20%; animation-delay: 1s; }
.circuit-dot:nth-child(7) { top: 60%; right: 25%; animation-delay: 1.5s; background: var(--teal); }
.circuit-dot:nth-child(8) { bottom: 15%; right: 35%; animation-delay: 2s; }
.circuit-dot:nth-child(9) { top: 40%; left: 5%; animation-delay: 0.8s; background: var(--green); }

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 0.2; }
  50% { transform: scale(2.5); opacity: 0.5; }
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(5deg); }
  66% { transform: translate(-20px, 20px) rotate(-3deg); }
}

/* Grid lines overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,102,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,102,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: grid-move 20s linear infinite;
}
@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 32px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,102,255,0.08);
  border: 1px solid rgba(0,102,255,0.15);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 24px;
  animation: badge-glow 3s ease-in-out infinite;
}
@keyframes badge-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,102,255,0.1); }
  50% { box-shadow: 0 0 20px 4px rgba(0,102,255,0.08); }
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.hero h1 {
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.035em;
  color: var(--text-primary);
}
.hero h1 .gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.hero-text {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 540px;
  line-height: 1.85;
  letter-spacing: 0.005em;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient);
  color: #fff;
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,102,255,0.3);
}
.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(0,102,255,0.06);
  color: var(--blue);
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  border: 2px solid rgba(0,102,255,0.15);
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-secondary:hover {
  background: rgba(0,102,255,0.1);
  border-color: rgba(0,102,255,0.3);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 480px;
}
.hero-main-card {
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0,102,255,0.1);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
  animation: hero-card-float 6s ease-in-out infinite;
}
@keyframes hero-card-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero-main-card h3 {
  font-size: 20px;
  margin-bottom: 6px;
  font-weight: 700;
}
.hero-main-card p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 20px;
}
.mini-course-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mini-course {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--gradient-soft);
  border-radius: var(--radius-sm);
  transition: transform 0.3s ease;
}
.mini-course:hover { transform: translateX(6px); }
.mini-course-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  flex-shrink: 0;
}
.mini-course span {
  font-weight: 600;
  font-size: 14px;
}
.mini-course .tag {
  margin-left: auto;
  background: rgba(0,200,83,0.12);
  color: var(--green);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}

.floating-badge {
  position: absolute;
  background: #fff;
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: var(--shadow-md);
  z-index: 3;
  animation: float-badge 5s ease-in-out infinite;
  border: 1px solid rgba(0,102,255,0.06);
}
@keyframes float-badge {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-5px, -10px); }
}
.floating-badge-1 {
  top: -20px; right: -30px;
  animation-delay: -1s;
}
.floating-badge-2 {
  bottom: -15px; left: -25px;
  animation-delay: -3s;
}
.floating-badge .number {
  font-size: 22px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.floating-badge .label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(0,40,100,0.06);
}
.hero-stat .number {
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat .label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ====== SCROLLING BANNER ====== */
.scroll-banner {
  background: var(--gradient);
  padding: 16px 0;
  overflow: hidden;
  position: relative;
}
.scroll-track {
  display: flex;
  animation: scroll-left 30s linear infinite;
  width: max-content;
}
.scroll-track span {
  color: rgba(255,255,255,0.9);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
}
.scroll-track span::before {
  content: '◆';
  font-size: 8px;
  opacity: 0.5;
}
@keyframes scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ====== SECTION STYLES ====== */
.section {
  padding: 100px 0;
}
.section-alt {
  background: var(--bg-secondary);
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-soft);
  border: 1px solid rgba(0,102,255,0.1);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: -0.03em;
}
.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  letter-spacing: 0.005em;
}

/* ====== ABOUT ====== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 36px;
}
.about-feature {
  padding: 24px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  border: 1px solid transparent;
}
.about-feature:hover {
  border-color: rgba(0,102,255,0.1);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}
.about-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  margin-bottom: 14px;
}
.about-feature h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  font-family: 'Sora', sans-serif;
}
.about-feature p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
.about-visual {
  position: relative;
}
.about-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: var(--gradient-medium);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 30% 40%, rgba(0,102,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(0,200,83,0.08) 0%, transparent 50%);
}
.about-orbit {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  border: 2px dashed rgba(0,102,255,0.15);
  position: relative;
  animation: rotate-slow 20s linear infinite;
}
@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.orbit-node {
  position: absolute;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  animation: rotate-slow 20s linear infinite reverse;
}
.orbit-node:nth-child(1) { top: -25px; left: 50%; margin-left: -25px; }
.orbit-node:nth-child(2) { bottom: -25px; left: 50%; margin-left: -25px; }
.orbit-node:nth-child(3) { top: 50%; left: -25px; margin-top: -25px; }
.orbit-node:nth-child(4) { top: 50%; right: -25px; margin-top: -25px; }
.orbit-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  box-shadow: var(--shadow-glow);
}

/* ====== STATS ====== */
.stats-section {
  background: var(--gradient);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
  z-index: 1;
}
.stat-card {
  text-align: center;
  color: #fff;
}
.stat-number {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 15px;
  opacity: 0.85;
  font-weight: 500;
}

/* ====== PROGRAMS ====== */
.programs-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.program-tab {
  padding: 12px 24px;
  border-radius: 50px;
  border: 2px solid rgba(0,102,255,0.1);
  background: #fff;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.program-tab:hover {
  border-color: rgba(0,102,255,0.3);
  color: var(--blue);
}
.program-tab.active {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}
.program-content {
  display: none;
  animation: fadeInUp 0.5s ease;
}
.program-content.active { display: block; }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.program-header {
  text-align: center;
  margin-bottom: 40px;
}
.program-header h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}
.program-header p {
  color: var(--text-muted);
  font-size: 15px;
}
.program-age-badge {
  display: inline-block;
  background: var(--gradient-soft);
  color: var(--blue);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.course-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(0,40,100,0.06);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.course-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.course-card:hover::before { transform: scaleX(1); }
.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0,102,255,0.1);
}
.course-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.course-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
  font-family: 'Sora', sans-serif;
}
.course-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ====== POPULAR COURSES ====== */
.popular-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.popular-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0,40,100,0.06);
  transition: all 0.4s ease;
}
.popular-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.popular-card-img {
  height: 180px;
  background: var(--gradient-medium);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.popular-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,102,255,0.05) 0%, rgba(0,200,83,0.05) 100%);
}
.popular-card-emoji {
  font-size: 56px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}
.popular-tag {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  z-index: 2;
}
.popular-card-body {
  padding: 24px;
}
.popular-card-body h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.popular-card-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}
.popular-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.popular-card-meta span {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ====== HOW IT WORKS ====== */
.steps-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
}
.steps-container::before {
  content: '';
  position: absolute;
  top: 48px;
  left: 15%;
  width: 70%;
  height: 3px;
  background: var(--gradient);
  opacity: 0.2;
  border-radius: 2px;
}
.step-card {
  text-align: center;
  position: relative;
}
.step-number {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow-glow);
  position: relative;
  transition: transform 0.3s ease;
}
.step-card:hover .step-number {
  transform: scale(1.1);
}
.step-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ====== CERTIFICATIONS ====== */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.cert-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.cert-feature {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(0,40,100,0.06);
  transition: all 0.3s ease;
}
.cert-feature:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
}
.cert-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  flex-shrink: 0;
}
.cert-feature h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  font-family: 'Sora', sans-serif;
}
.cert-feature p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
.cert-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.cert-card-display {
  width: 340px;
  padding: 40px 32px;
  background: linear-gradient(135deg, #f8fbff 0%, #f0fff4 100%);
  border-radius: var(--radius-lg);
  border: 2px solid rgba(0,102,255,0.1);
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.cert-card-display::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: var(--gradient);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.15;
}
.cert-logo-placeholder {
  font-size: 40px;
  margin-bottom: 16px;
}
.cert-card-display h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.cert-card-display h2 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 4px;
}
.cert-card-display .cert-name {
  color: var(--blue);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 20px;
}
.cert-seal {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  margin: 0 auto;
  box-shadow: var(--shadow-glow);
}

/* ====== TESTIMONIALS ====== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid rgba(0,40,100,0.06);
  transition: all 0.3s ease;
}
.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.testimonial-stars {
  color: #FFB800;
  font-size: 16px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}
.testimonial-author h5 {
  font-size: 14px;
  font-weight: 700;
  font-family: 'Sora', sans-serif;
}
.testimonial-author span {
  font-size: 12px;
  color: var(--text-muted);
}

/* ====== WHY CHOOSE US ====== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-card {
  padding: 36px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid rgba(0,40,100,0.06);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.why-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}
.why-card:hover::after { transform: scaleX(1); }
.why-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.why-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 26px;
  margin-bottom: 20px;
}
.why-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.why-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ====== FAQ ====== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid rgba(0,40,100,0.06);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  background: #fff;
  transition: all 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(0,102,255,0.15);
}
.faq-question {
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  transition: color 0.3s;
  user-select: none;
  font-family: 'Sora', sans-serif;
}
.faq-question:hover { color: var(--blue); }
.faq-arrow {
  font-size: 20px;
  transition: transform 0.3s ease;
  color: var(--blue);
}
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 28px 22px;
}
.faq-answer p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ====== CTA ====== */
.cta-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-card {
  background: var(--gradient);
  border-radius: var(--radius-lg);
  padding: 80px 60px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.08) 0%, transparent 40%);
}
.cta-card h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
}
.cta-card p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}
.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--blue);
  padding: 18px 42px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}
.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

/* ====== FOOTER ====== */
.footer {
  background: #0B1426;
  color: #fff;
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.9);
  font-family: 'Sora', sans-serif;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.3s ease;
}
.footer-col a:hover {
  color: var(--green-light);
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 16px;
  transition: all 0.3s ease;
}
.footer-social a:hover {
  background: var(--gradient);
  color: #fff;
  transform: translateY(-3px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 13px;
}

/* ====== MOBILE NAV ====== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100vh;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu a {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 22px;
  font-weight: 700;
  transition: color 0.3s;
  font-family: 'Sora', sans-serif;
}
.mobile-menu a:hover { color: var(--blue); }

/* ====== RESPONSIVE ====== */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-text { margin: 0 auto 36px; }
  .hero-btns { justify-content: center; }
  .hero-visual { display: none; }
  .hero-stats { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { order: -1; }
  .cert-grid { grid-template-columns: 1fr; }
  .cert-visual { order: -1; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-container { grid-template-columns: repeat(2, 1fr); }
  .steps-container::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .popular-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .stat-number { font-size: 36px; }
  .programs-tabs { gap: 6px; }
  .program-tab { padding: 10px 16px; font-size: 12px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .about-features { grid-template-columns: 1fr; }
  .steps-container { grid-template-columns: 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ====== SMOOTH SCROLLBAR ====== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--gradient); border-radius: 4px; }