/* ===== CSS Variables & Base ===== */
:root {
  --font-primary: 'Hind Siliguri', sans-serif;
  --bg-white: #f8fafc;
  --accent-blue: #2563eb;
  --accent-orange: #ea580c;
  --accent-green: #059669;
  --glass-bg: rgba(255, 255, 255, 0.25);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --text-dark: #1e293b;
  --text-muted: #475569;
  --transition: 0.3s ease;
  /* Headline gradients */
  --gradient-primary: linear-gradient(135deg, #1d4ed8 0%, #2563eb 35%, #3b82f6 70%, #ea580c 100%);
  --gradient-hero: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #1d4ed8 100%);
  --gradient-section: linear-gradient(135deg, #1d4ed8 0%, #2563eb 40%, #059669 100%);
  --gradient-card: linear-gradient(135deg, #1e293b 0%, #2563eb 60%, #1d4ed8 100%);
  --gradient-warm: linear-gradient(135deg, #ea580c 0%, #c2410c 50%, #9a3412 100%);
}

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

html {
  scroll-behavior: smooth;
  /* স্ক্রিন ছোট/বড় অনুযায়ী rem স্কেল হবে */
  font-size: clamp(15px, 0.25vw + 14px, 18px);
}

body {
  font-family: var(--font-primary);
  background: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Scroll-triggered animations ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated-in {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.animated-in .value-card,
.animate-on-scroll.animated-in .course-card,
.animate-on-scroll.animated-in .stat-card,
.animate-on-scroll.animated-in .reason-card,
.animate-on-scroll.animated-in .milestone-card,
.animate-on-scroll.animated-in .testimonial-card {
  animation: cardReveal 0.5s ease forwards;
}

.animate-on-scroll .value-card,
.animate-on-scroll .course-card,
.animate-on-scroll .stat-card,
.animate-on-scroll .reason-card,
.animate-on-scroll .milestone-card,
.animate-on-scroll .testimonial-card { opacity: 0; }

.animate-on-scroll.animated-in .value-card:nth-child(1) { animation-delay: 0.1s; }
.animate-on-scroll.animated-in .value-card:nth-child(2) { animation-delay: 0.2s; }
.animate-on-scroll.animated-in .value-card:nth-child(3) { animation-delay: 0.3s; }
.animate-on-scroll.animated-in .course-card:nth-child(1) { animation-delay: 0.05s; }
.animate-on-scroll.animated-in .course-card:nth-child(2) { animation-delay: 0.1s; }
.animate-on-scroll.animated-in .course-card:nth-child(3) { animation-delay: 0.15s; }
.animate-on-scroll.animated-in .course-card:nth-child(4) { animation-delay: 0.2s; }
.animate-on-scroll.animated-in .course-card:nth-child(5) { animation-delay: 0.25s; }
.animate-on-scroll.animated-in .course-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes cardReveal {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Glassmorphism Utilities ===== */
.glass-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0.2) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.06), 0 0 0 1px rgba(255,255,255,0.3) inset;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.glass-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,255,255,0.4) inset;
  border-color: rgba(255,255,255,0.6);
}

/* ===== Navigation ===== */
.nav-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0.75rem 1.5rem;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav-wrapper.scrolled {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.nav-glass {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  box-shadow: var(--glass-shadow);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: inherit;
}

.logo-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-blue), #3b82f6);
  color: white;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 10px;
  flex-shrink: 0;
}

.nav-logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-blue);
  transition: color var(--transition);
}

.nav-logo-img {
  height: 52px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  object-position: left center;
  display: block;
}

/* Backdrop when mobile menu is open */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.nav-backdrop.active {
  pointer-events: auto;
  opacity: 1;
}

.nav-links a.active {
  color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.12);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
  color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.1);
}

.nav-login {
  background: linear-gradient(135deg, #f97316, var(--accent-orange)) !important;
  color: white !important;
  padding: 0.5rem 1rem !important;
  border-radius: 50px;
  font-weight: 600 !important;
  margin-left: 0.25rem;
  box-shadow: 0 2px 12px rgba(234, 88, 12, 0.35);
}

.nav-login:hover {
  background: linear-gradient(135deg, var(--accent-orange), #c2410c) !important;
  color: white !important;
  box-shadow: 0 4px 20px rgba(234, 88, 12, 0.45);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(234, 88, 12, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(5, 150, 105, 0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.5) 0%, rgba(248,250,252,0.75) 50%, rgba(255,255,255,0.6) 100%);
  pointer-events: none;
  z-index: 0;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.shape-1 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, var(--accent-blue), #60a5fa);
  top: -100px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.shape-2 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, var(--accent-orange), #fb923c);
  bottom: 10%;
  left: -80px;
  animation: float 6s ease-in-out infinite reverse;
}

.shape-3 {
  width: 250px;
  height: 250px;
  background: linear-gradient(135deg, var(--accent-green), #34d399);
  bottom: -50px;
  right: 20%;
  animation: float 7s ease-in-out infinite 1s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3.25rem 3rem;
  width: min(820px, 96vw);
  max-width: 820px;
  animation: heroFadeIn 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  border: 1px solid rgba(255,255,255,0.5);
  box-shadow: 0 24px 48px rgba(0,0,0,0.06), 0 0 0 1px rgba(255,255,255,0.5) inset;
}

.hero-shell {
  position: relative;
  overflow: hidden;
}

.hero-shell::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(circle at 0 0, rgba(37,99,235,0.35), transparent 60%),
              radial-gradient(circle at 100% 100%, rgba(234,88,12,0.25), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

@media (min-width: 1024px) {
  .hero-content {
    padding: 3.75rem 3.5rem;
  }

  .hero-lottie {
    width: 260px;
    height: 260px;
    margin-bottom: 1.5rem;
  }
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.hero-logo-img {
  width: 160px;
  height: auto;
  max-height: 120px;
  margin: 0 auto 1.5rem;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 10px 28px rgba(0,0,0,0.1));
  animation: heroLogoFloat 4s ease-in-out infinite;
}

.hero-lottie {
  width: 220px;
  height: 220px;
  margin: 0 auto 1.75rem;
  min-height: 180px;
}

.hero-lottie svg {
  width: 100% !important;
  height: 100% !important;
}

.hero-lottie-placeholder {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
  padding: 1rem;
  margin: 0;
}

.hero-lottie-placeholder small {
  font-size: 0.75rem;
  opacity: 0.8;
}


@keyframes heroLogoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 0.5rem;
}

/* ===== Gradient Headlines ===== */
.hero-title {
  font-size: clamp(1.5rem, 3.8vw, 2.15rem);
  font-weight: 800;
  margin: 0.35rem 0 0.6rem;
  letter-spacing: -0.03em;
  line-height: 1.3;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.hero-tagline {
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  margin-bottom: 1.5rem;
  font-weight: 700;
  background: var(--gradient-section);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

/* ===== Eye-catching Buttons ===== */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2.25rem;
  background: linear-gradient(145deg, #f97316 0%, var(--accent-orange) 40%, #ea580c 100%);
  background-size: 200% 200%;
  color: white !important;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 0 #9a3412, 0 8px 24px rgba(234, 88, 12, 0.4), 0 2px 8px rgba(0,0,0,0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-position 0.4s ease;
  position: relative;
  overflow: hidden;
}

.btn-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #9a3412, 0 14px 36px rgba(234, 88, 12, 0.45), 0 4px 12px rgba(0,0,0,0.08);
  background-position: 100% 50%;
}

.btn-cta:hover::before {
  left: 100%;
}

.btn-cta:active {
  transform: translateY(1px);
  box-shadow: 0 2px 0 #9a3412, 0 4px 16px rgba(234, 88, 12, 0.35);
}

.btn-cta.btn-small {
  padding: 0.7rem 1.5rem;
  font-size: 0.95rem;
  border-radius: 50px;
}

.btn-cta.btn-glow {
  box-shadow: 0 4px 0 #9a3412, 0 8px 24px rgba(234, 88, 12, 0.45), 0 0 36px rgba(234, 88, 12, 0.25);
}

.btn-cta.btn-glow:hover {
  box-shadow: 0 6px 0 #9a3412, 0 14px 40px rgba(234, 88, 12, 0.5), 0 0 48px rgba(234, 88, 12, 0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.85rem;
  background: transparent;
  color: var(--accent-orange);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50px;
  border: 2px solid var(--accent-orange);
  transition: all 0.25s ease;
  position: relative;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.15);
}

.btn-outline:hover {
  background: var(--accent-orange);
  color: white !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.4);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  background: linear-gradient(145deg, #fff7ed 0%, #ffedd5 100%);
  color: var(--accent-orange);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  border: 2px solid rgba(234, 88, 12, 0.4);
  transition: all 0.25s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

.btn-secondary:hover {
  background: rgba(234, 88, 12, 0.1);
  border-color: var(--accent-orange);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.2);
}

/* ===== Section Common ===== */
.section {
  padding: 4rem 1.5rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.85rem, 4.2vw, 2.4rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
  background: var(--gradient-section);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  position: relative;
  line-height: 1.25;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  margin: 0.5rem auto 0;
  background: var(--gradient-primary);
  border-radius: 2px;
  opacity: 0.9;
}

.section-title.left::after {
  margin: 0.5rem 0 0 0;
}

.section-desc {
  text-align: center;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
}

.section-desc.full-width { max-width: 720px; }
.section-title.left { text-align: left; }

/* যেকোনো টেক্সটে গ্রেডিয়েন্ট দিতে চাইলে এই ক্লাস ব্যবহার করুন */
.headline-gradient {
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.headline-gradient.warm {
  background: var(--gradient-warm);
}

.headline-gradient.green {
  background: linear-gradient(135deg, #047857 0%, #059669 50%, #10b981 100%);
}

/* ===== Page Hero (inner pages) ===== */
.page-hero {
  padding: 7rem 1.5rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(5, 150, 105, 0.06));
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-title {
  font-size: clamp(1.85rem, 4.2vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.page-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  margin: 0.6rem auto 0;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.page-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== Home: Intro section ===== */
.intro { background: linear-gradient(180deg, transparent, rgba(37, 99, 235, 0.03)); }

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.intro-image {
  padding: 0;
  overflow: hidden;
  border-radius: 16px;
}

.intro-image img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.intro-text .section-title { margin-bottom: 1rem; }
.intro-text p { margin-bottom: 1rem; color: var(--text-muted); }
.intro-text .btn-secondary { margin-top: 0.5rem; }

/* ===== Home: CTA section ===== */
.cta-section { padding-top: 2rem; }

.cta-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 0;
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.cta-image {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.cta-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

.cta-content h2 {
  font-size: 1.5rem;
  margin-bottom: 0;
  font-weight: 800;
  background: var(--gradient-card);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}
.cta-content p { color: var(--text-muted); margin: 0; }
.cta-content .btn-cta,
.cta-content .btn-outline {
  width: 240px;
  text-align: center;
  justify-content: center;
  align-self: flex-start;
}

/* ===== Testimonials ===== */
.testimonials {
  background: linear-gradient(180deg, rgba(5, 150, 105, 0.04), transparent);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.testimonial-card {
  padding: 2rem;
  position: relative;
  transition: transform var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
}

.testimonial-quote {
  font-size: 3rem;
  line-height: 1;
  color: var(--accent-blue);
  opacity: 0.4;
  margin-bottom: -0.5rem;
  font-family: Georgia, serif;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.testimonial-name {
  font-weight: 800;
  font-size: 1.08rem;
  background: var(--gradient-card);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.testimonial-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===== FAQ ===== */
.faq-section {
  background: linear-gradient(180deg, transparent, rgba(37, 99, 235, 0.03));
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  padding: 0;
  overflow: hidden;
  border-radius: 16px;
  transition: box-shadow var(--transition);
}

.faq-item:hover,
.faq-item.faq-open {
  box-shadow: 0 12px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,255,255,0.4) inset;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  font-family: var(--font-primary);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
  background: var(--gradient-card);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.faq-question:hover,
.faq-item.faq-open .faq-question {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%) !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  color: white !important;
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--accent-blue);
  transform: translate(-50%, -50%);
  transition: transform var(--transition);
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item.faq-open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
  margin: 0;
  padding: 0 0 0 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid rgba(37, 99, 235, 0.1);
  padding-top: 1rem;
  margin-top: -0.25rem;
}

/* ===== About page ===== */
.about-content { padding-top: 2rem; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 3rem;
}

.about-image-block {
  padding: 0;
  overflow: hidden;
  border-radius: 16px;
}

.about-image-block img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.about-text-block h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about-text-block p { margin-bottom: 1rem; color: var(--text-muted); }

.mission-vision {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.mv-card {
  padding: 2rem;
}

.mv-icon { font-size: 2rem; margin-bottom: 0.75rem; display: block; }
.mv-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.mv-card p { color: var(--text-muted); font-size: 0.95rem; }

.values-grid.three-cols { margin-top: 1rem; }

.team-section { margin-top: 3rem; }

.reason-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.reason-card {
  padding: 0;
  overflow: hidden;
  transition: transform var(--transition);
}

.reason-card:hover { transform: translateY(-4px); }

.reason-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.reason-card h4, .reason-card p { padding: 0 1.25rem; }
.reason-card h4 {
  font-size: 1.15rem;
  margin: 1rem 0 0.5rem;
  font-weight: 800;
  background: var(--gradient-card);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.reason-card p { padding-bottom: 1.25rem; font-size: 0.9rem; color: var(--text-muted); }

/* ===== About / Values (home) ===== */
.about, .features {
  background: linear-gradient(180deg, transparent, rgba(37, 99, 235, 0.04));
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.value-card {
  padding: 2rem;
  text-align: center;
  border: 1px solid rgba(234, 88, 12, 0.18);
  background: linear-gradient(135deg, rgba(255, 237, 213, 0.55) 0%, rgba(255, 255, 255, 0.22) 55%, rgba(255, 247, 237, 0.35) 100%);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 44px rgba(234, 88, 12, 0.18), 0 8px 28px rgba(0, 0, 0, 0.08);
  border-color: rgba(234, 88, 12, 0.32);
}

/* Values (orange theme) */
.value-card[data-color="blue"] .value-icon,
.value-card[data-color="orange"] .value-icon,
.value-card[data-color="green"] .value-icon { color: white; }

.value-icon {
  width: 72px;
  height: 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border-radius: 18px;
  font-size: 2rem;
  background: linear-gradient(145deg, #fb923c 0%, var(--accent-orange) 45%, #ea580c 100%);
  box-shadow: 0 10px 26px rgba(234, 88, 12, 0.25), 0 3px 10px rgba(0,0,0,0.06);
  transition: transform var(--transition);
}

.value-card:hover .value-icon {
  transform: translateY(-2px) scale(1.08);
}

.value-card h3 {
  font-size: 1.28rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.value-card p {
  color: rgba(30, 41, 59, 0.78);
  font-size: 0.95rem;
}

/* ===== Courses ===== */
.courses {
  background: linear-gradient(180deg, rgba(234, 88, 12, 0.03), transparent);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.course-card {
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(37, 99, 235, 0.15);
}

.course-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-orange));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.course-card {
  position: relative;
}

.course-card:hover::before {
  opacity: 0.6;
}

/* Course cards with image (courses page) */
.courses-grid.with-images {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.courses-grid.with-images .course-card {
  padding: 0;
  overflow: hidden;
}

.course-card-image {
  height: 180px;
  overflow: hidden;
  border-radius: 16px 16px 0 0;
  margin: -1px -1px 0;
}

.course-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.course-card:hover .course-card-image img {
  transform: scale(1.05);
}

.course-card-body { padding: 1.5rem; }
.course-card-body h3 { margin-bottom: 0.5rem; }
.course-card-body p { margin-bottom: 1rem; }

.courses-cta {
  margin-top: 2.5rem;
  padding: 2rem;
  text-align: center;
}

.courses-cta p { margin-bottom: 1rem; color: var(--text-muted); }

.course-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
  transition: transform var(--transition);
}

.course-card:hover .course-icon {
  transform: scale(1.1);
}

.course-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: var(--gradient-card);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.course-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

/* ===== Achievements ===== */
.achievements {
  background: linear-gradient(180deg, transparent, rgba(5, 150, 105, 0.05));
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  display: block;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.stat-label {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.progress-section h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-align: center;
  background: var(--gradient-section);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.progress-item {
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-dark);
}

.progress-value {
  font-weight: 700;
  color: var(--accent-green);
}

.progress-bar {
  height: 10px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-green), #34d399);
  border-radius: 10px;
  width: 0;
  transition: width 1.2s ease-out;
}

.progress-fill.animated {
  width: var(--width, 0);
}

/* Achievements page */
.achievements-intro { margin-bottom: 2rem; }

.achievements-hero-img {
  padding: 0;
  overflow: hidden;
  border-radius: 16px;
  margin-bottom: 1.5rem;
}

.achievements-hero-img img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.stats-grid.large .stat-card { padding: 2.5rem 1.5rem; }
.stats-grid.large .stat-number { font-size: 2.5rem; }

.milestones { margin-top: 3rem; }

.milestone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.milestone-card {
  padding: 0;
  overflow: hidden;
  transition: transform var(--transition);
}

.milestone-card:hover { transform: translateY(-4px); }

.milestone-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.milestone-card h4, .milestone-card p { padding: 0 1.25rem; }
.milestone-card h4 {
  font-size: 1.15rem;
  margin: 1rem 0 0.5rem;
  font-weight: 800;
  background: var(--gradient-card);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.milestone-card p { padding-bottom: 1.25rem; font-size: 0.9rem; color: var(--text-muted); }

/* ===== Contact ===== */
.contact {
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.04), transparent);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  max-width: 800px;
  margin: 0 auto;
}

/* Contact page layout */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
  max-width: 900px;
  margin: 0 auto 2rem;
}

.contact-info-block {
  padding: 0;
  overflow: hidden;
}

.contact-info-block img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.contact-info-block h3,
.contact-info-block p,
.contact-info-block .contact-meta {
  padding: 0 1.5rem;
}

.contact-info-block h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--gradient-card);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.contact-info-block p { margin-bottom: 1rem; color: var(--text-muted); font-size: 0.95rem; }
.contact-meta p { margin-bottom: 0.5rem; font-size: 0.9rem; padding: 0 1.5rem 1.5rem; }

.social-section {
  padding: 2rem;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.social-section h3 {
  margin-bottom: 0.5rem;
  font-weight: 800;
  background: var(--gradient-card);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.social-section p { color: var(--text-muted); margin-bottom: 1.25rem; font-size: 0.95rem; }
.social-icons.large { justify-content: center; }
.social-icons.large .social-icon { width: 52px; height: 52px; font-size: 1.6rem; }

.contact-form {
  padding: 2rem;
}

.contact-form h3 {
  margin: 0 0 1.25rem;
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  font-family: var(--font-primary);
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.6);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.contact-form .btn-cta {
  width: 100%;
  margin-top: 0.5rem;
}

.social-links {
  padding: 2rem;
  min-width: 220px;
}

.social-links h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: var(--gradient-card);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.social-icons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  text-decoration: none;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.social-icon:hover {
  transform: translateY(-4px) scale(1.05);
  background: rgba(37, 99, 235, 0.15);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.2);
}

/* ===== Footer ===== */
.footer {
  margin-top: 4rem;
  padding: 0;
  background: linear-gradient(160deg, rgba(37, 99, 235, 0.08) 0%, rgba(5, 150, 105, 0.06) 50%, rgba(234, 88, 12, 0.04) 100%);
  border-top: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.04);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 2.5rem;
  display: grid;
  grid-template-columns: 1.2fr auto auto;
  gap: 3rem;
  align-items: start;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  width: 100%;
  max-width: 240px;
  height: auto;
  margin-bottom: 1rem;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.08));
  transition: transform var(--transition);
}

.footer-brand:hover .footer-logo {
  transform: scale(1.02);
}

.footer-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding-right: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition), padding-left var(--transition), transform var(--transition);
}

.footer-links a:hover {
  color: var(--accent-blue);
  padding-left: 6px;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.5) 0%, rgba(255,255,255,0.25) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 14px;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.footer-social-icon:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.2);
  border-color: rgba(37, 99, 235, 0.3);
}

.footer-bottom {
  padding: 1.5rem 1.5rem;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.5);
  background: linear-gradient(180deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0.2) 100%);
  backdrop-filter: blur(8px);
}

.footer-bottom p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
  font-weight: 500;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-backdrop {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 70vw;
    max-width: 300px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 5rem 1.25rem 1.5rem;
    box-shadow: 4px 0 32px rgba(0, 0, 0, 0.12);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-100%);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    z-index: 1001;
    align-items: stretch;
    gap: 0.25rem;
  }

  .nav-links.active {
    transform: translateX(0);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 1.05rem;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    min-height: auto;
    padding: 4.25rem 0.75rem 1.75rem;
  }

  .hero-content {
    padding: 2rem 1.25rem;
  }

  .section {
    padding: 3rem 1rem;
  }

  .contact-wrapper,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .social-links {
    min-width: auto;
  }

  .intro-grid,
  .about-grid,
  .cta-box {
    grid-template-columns: 1fr;
  }

  .mission-vision {
    grid-template-columns: 1fr;
  }

  .reason-cards {
    grid-template-columns: 1fr;
  }

  .nav-logo-img {
    height: 36px;
    max-width: 160px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2rem 1rem 1.5rem;
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-logo {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-links {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
  }

  .footer-social {
    justify-content: center;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn-cta,
  .hero-buttons .btn-outline {
    width: 100%;
    max-width: 280px;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .nav-login {
    margin-left: 0;
    margin-top: 0.5rem;
    justify-content: center;
  }

  .hero-lottie {
    width: 160px;
    height: 160px;
    min-height: 140px;
  }
}

@media (max-width: 480px) {
  .values-grid,
  .courses-grid,
  .courses-grid.with-images {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-content .btn-cta,
  .cta-content .btn-outline {
    align-self: stretch;
  }

  .hero-logo-img {
    width: 110px;
    max-height: 110px;
  }

  .hero-content {
    padding: 2.25rem 1.25rem;
  }
}