/* Welcome Page Styles - Warm Educational Theme */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:root {
  --primary: #c2410c;
  --secondary: #ea580c;
  --accent: #f97316;
  --success: #10b981;
  --warning: #f59e0b;
  --dark: #78350f;
  --darker: #431407;
  --light: #fff7ed;
  --gray: #92400e;
  --bg-primary: #ffffff;
  --bg-secondary: #fffbf5;
  --text-primary: #78350f;
  --text-secondary: #9a3412;
  --border-color: #fed7aa;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  overflow-x: hidden;
  background: var(--bg-primary);
  -webkit-tap-highlight-color: rgba(249, 115, 22, 0.2);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
}

/* Glassmorphism Navigation */
.navbar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: 1200px;
  background: rgba(255, 251, 245, 0.9);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(254, 215, 170, 0.3);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  z-index: 1000;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar:hover {
  background: rgba(255, 251, 245, 0.98);
  box-shadow: 0 8px 32px rgba(194, 65, 12, 0.1);
}

.nav-container {
  max-width: 100%;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  transition: all 0.3s;
}

.logo:hover {
  transform: scale(1.05);
}

.logo img {
  width: 45px;
  height: 45px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  transition: all 0.3s;
}

.logo:hover img {
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
  transform: rotate(5deg);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a:hover {
  color: var(--primary);
  transform: translateY(-2px);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 20px;
  height: 15px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 400px;
  height: 100vh;
  background: linear-gradient(135deg, #fffbf5 0%, #fff7ed 100%);
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  padding: 2rem 1.5rem;
}

.mobile-menu::-webkit-scrollbar {
  width: 6px;
}

.mobile-menu::-webkit-scrollbar-track {
  background: rgba(249, 115, 22, 0.1);
  border-radius: 10px;
}

.mobile-menu::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 10px;
}

.mobile-menu::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--border-color);
}

.mobile-menu-close {
  width: 44px;
  height: 44px;
  border: none;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.mobile-menu-close:hover {
  background: var(--primary);
  transform: rotate(90deg);
}

.mobile-nav-links {
  list-style: none;
  margin-bottom: 3rem;
}

.mobile-nav-links li {
  margin-bottom: 0.5rem;
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.3s ease;
}

.mobile-menu.active .mobile-nav-links li {
  opacity: 1;
  transform: translateX(0);
}

.mobile-menu.active .mobile-nav-links li:nth-child(1) {
  transition-delay: 0.1s;
}

.mobile-menu.active .mobile-nav-links li:nth-child(2) {
  transition-delay: 0.15s;
}

.mobile-menu.active .mobile-nav-links li:nth-child(3) {
  transition-delay: 0.2s;
}

.mobile-menu.active .mobile-nav-links li:nth-child(4) {
  transition-delay: 0.25s;
}

.mobile-nav-links a {
  display: block;
  padding: 1rem 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 12px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.mobile-nav-links a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--accent), var(--primary));
  transition: height 0.3s ease;
}

.mobile-nav-links a:hover,
.mobile-nav-links a:active {
  background: rgba(249, 115, 22, 0.1);
  color: var(--primary);
  transform: translateX(8px);
}

.mobile-nav-links a:hover::before,
.mobile-nav-links a:active::before {
  height: 100%;
}

/* Menu Overlay Backdrop */
.menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.menu-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* Hero Section with Warm Gradient */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 60px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, 
    #fffbf5 0%, 
    #fed7aa 50%, 
    #ffedd5 100%);
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(249, 115, 22, 0.15);
  border-radius: 50%;
  animation: float-particle 20s infinite;
}

@keyframes float-particle {
  0% {
    transform: translateY(100vh) translateX(0) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) translateX(100px) scale(1);
    opacity: 0;
  }
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(249, 115, 22, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(234, 88, 12, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 600px;
}

.hero h1 {
  font-size: 4.5rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.1;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: -0.02em;
  font-weight: 800;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, #f97316 0%, #fb923c 50%, #ea580c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  position: relative;
  font-weight: 900;
  filter: drop-shadow(0 2px 12px rgba(249, 115, 22, 0.25));
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, #f97316, #ea580c, transparent);
  border-radius: 2px;
  opacity: 0.5;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0.3; transform: scaleX(0.8); }
  50% { opacity: 0.8; transform: scaleX(1); }
}

.hero p {
  font-size: 1.35rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.8;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.btn {
  padding: 1.2rem 3rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 400px;
  height: 400px;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(194, 65, 12, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--border-color);
}

.btn-outline:hover {
  background: var(--bg-secondary);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(194, 65, 12, 0.2);
}

.hero-image {
  position: relative;
  animation: float 6s ease-in-out infinite;
  perspective: 1000px;
  max-width: 550px;
  width: 100%;
  margin: 0 auto;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(194, 65, 12, 0.08));
  border-radius: 30px;
  filter: blur(35px);
  z-index: -1;
  animation: pulse-glow 3s ease-in-out infinite;
}

.hero-image::after {
  content: '';
  position: absolute;
  top: 30px;
  right: 30px;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.12), rgba(234, 88, 12, 0.08));
  border-radius: 50%;
  filter: blur(40px);
  z-index: -1;
  animation: float-circle 4s ease-in-out infinite;
}

@keyframes float-circle {
  0%, 100% { 
    transform: translate(0, 0) scale(1);
    opacity: 0.6;
  }
  50% { 
    transform: translate(-20px, 20px) scale(1.2);
    opacity: 0.8;
  }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; transform: scale(0.95); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

.hero-image img {
  width: 100%;
  height: auto;
  max-height: 500px;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(194, 65, 12, 0.2),
              0 10px 25px rgba(0, 0, 0, 0.08);
  transform-style: preserve-3d;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  object-fit: cover;
  border: 3px solid rgba(255, 255, 255, 0.8);
}

.hero-image:hover img {
  transform: translateY(-8px) rotateY(3deg) rotateX(3deg);
  box-shadow: 0 25px 60px rgba(194, 65, 12, 0.25),
              0 15px 30px rgba(0, 0, 0, 0.1);
}

/* Stats Section */
.stats {
  background: transparent;
  padding: 4rem 2rem;
  margin-top: -5rem;
  position: relative;
  z-index: 10;
}

.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat {
  text-align: center;
  padding: 3rem 2rem;
  border-radius: 20px;
  background: white;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(249, 115, 22, 0.06), transparent);
  transition: left 0.5s;
}

.stat:hover::before {
  left: 100%;
}

.stat:hover {
  transform: translateY(-10px);
  background: white;
  border-color: var(--accent);
  box-shadow: 0 12px 32px rgba(249, 115, 22, 0.15);
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 1.05rem;
}

/* Section Styles */
.section {
  padding: 5rem 2rem;
  position: relative;
}

.section-bg-light {
  background: white;
}

.section-bg-dark {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 5rem;
}

.section-tag {
  display: inline-block;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  position: relative;
  padding: 0.5rem 1.5rem;
  background: rgba(249, 115, 22, 0.08);
  border-radius: 50px;
  border: 1px solid rgba(249, 115, 22, 0.2);
}

.section-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
  line-height: 1.2;
}

.section-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.05rem;
}

.requirements-card {
  background: white;
  padding: 2.5rem;
  border-radius: 24px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.requirements-card:hover {
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.12);
  transform: translateY(-4px);
}

.requirement-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-secondary);
}

/* Feature Cards */
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.feature-card {
  background: white;
  padding: 3rem;
  border-radius: 24px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.05), transparent);
  transition: width 0.6s, height 0.6s;
}

.feature-card:hover::after {
  width: 500px;
  height: 500px;
}

.feature-card:hover {
  transform: translateY(-8px);
  background: white;
  border-color: var(--accent);
  box-shadow: 0 12px 32px rgba(249, 115, 22, 0.15);
}

.feature-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--accent), #dc2626);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  margin-bottom: 2rem;
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover .feature-icon {
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.4);
}

.feature-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
  transition: all 0.3s;
}

.feature-card:hover .feature-title {
  color: var(--accent);
}

.feature-text {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1rem;
}

/* Program Cards */
.programs-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.program-card {
  background: white;
  border-radius: 24px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  position: relative;
}

.program-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  transition: left 0.7s;
}

.program-card:hover::before {
  left: 100%;
}

.program-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: 0 12px 32px rgba(249, 115, 22, 0.15);
}

.program-header {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.program-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
  animation: rotate 10s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.program-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.program-title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.program-subtitle {
  opacity: 0.95;
  font-size: 1.1rem;
}

.program-body {
  padding: 2.5rem;
  background: white;
}

.program-features {
  list-style: none;
  margin-bottom: 2.5rem;
}

.program-features li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-secondary);
  transition: all 0.3s;
  font-size: 1rem;
}

.program-features li:hover {
  color: var(--primary);
  padding-left: 0.5rem;
}

.program-features li:last-child {
  border-bottom: none;
}

.program-features i {
  color: var(--success);
  font-size: 1.5rem;
  transition: all 0.3s;
}

.program-features li:hover i {
  transform: scale(1.2) rotate(360deg);
}

.program-btn {
  display: block;
  width: 100%;
  padding: 1rem;
  background: var(--primary);
  color: white;
  text-align: center;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(194, 65, 12, 0.2);
}

.program-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(194, 65, 12, 0.35);
}

/* Testimonials */
.testimonials-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.testimonial {
  background: white;
  padding: 2.5rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 2rem;
  font-size: 6rem;
  color: rgba(249, 115, 22, 0.08);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial:hover {
  transform: translateY(-6px);
  background: white;
  border-color: var(--accent);
  box-shadow: 0 12px 32px rgba(249, 115, 22, 0.15);
}

.testimonial-rating {
  color: #f59e0b;
  margin-bottom: 1.25rem;
  font-size: 1.125rem;
}

.testimonial-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-style: italic;
  line-height: 1.8;
  font-size: 1rem;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 1.25rem;
  box-shadow: 0 2px 8px rgba(249, 115, 22, 0.25);
  transition: all 0.3s;
}

.testimonial:hover .author-avatar {
  transform: scale(1.05) rotate(3deg);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.35);
}

.author-name {
  font-weight: 600;
  color: var(--primary);
  font-size: 1rem;
}

.author-role {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #78350f 0%, #92400e 100%);
  color: white;
  padding: 4rem 2rem 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer h3 {
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
  background: linear-gradient(135deg, #fff, #fed7aa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

.footer p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  font-size: 0.95rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.3s;
  display: inline-block;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: white;
  padding-left: 8px;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.social-link {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1.1rem;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: white;
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Floating Buttons */
.floating-buttons {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 999;
}

.floating-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  font-size: 1.5rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.btn-phone {
  background: var(--primary);
}

.btn-zalo {
  background: #0068ff;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% { 
    transform: translateY(0); 
  }
  50% { 
    transform: translateY(-15px); 
  }
}

/* Mobile Responsive */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 3.5rem;
  }

  .section-title {
    font-size: 3rem;
  }

  .hero-container {
    gap: 3rem;
    grid-template-columns: 1fr 0.85fr;
  }

  .hero-image {
    max-width: 450px;
  }

  .about-grid {
    gap: 3rem;
  }

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

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-container {
    gap: 2.5rem;
    grid-template-columns: 1fr;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-image {
    max-width: 500px;
    margin: 2rem auto 0;
  }

  .hero h1 {
    font-size: 3rem;
    text-align: center;
  }

  .hero p {
    text-align: center;
    font-size: 1.2rem;
  }

  .hero-buttons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .navbar {
    top: 10px;
    width: calc(100% - 20px);
    border-radius: 12px;
  }

  .nav-container {
    padding: 0.5rem 1rem;
  }

  .logo {
    gap: 0.5rem;
  }

  .logo img {
    width: 32px;
    height: 32px;
  }

  .logo span {
    font-size: 1rem;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  a, button, .btn {
    min-height: 44px;
    min-width: 44px;
  }

  .hero {
    padding-top: 100px;
  }

  .hero-container {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
    gap: 2rem;
  }

  .hero h1 {
    font-size: 2.25rem;
    line-height: 1.15;
    margin-bottom: 1rem;
  }

  .hero h1 .highlight::after {
    bottom: -8px;
    height: 3px;
  }

  .hero p {
    font-size: 1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .btn {
    width: 100%;
    justify-content: center;
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }

  .hero-image {
    display: none;
  }

  .section {
    padding: 4rem 1.5rem;
  }

  .section-header {
    margin-bottom: 3rem;
  }

  .section-tag {
    font-size: 0.75rem;
    padding: 0.4rem 1rem;
    margin-bottom: 1rem;
  }

  .section-title {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .section-description {
    font-size: 1rem;
    line-height: 1.7;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-content {
    font-size: 1rem;
    line-height: 1.7;
  }

  .requirements-card {
    padding: 2rem 1.5rem;
  }

  .requirement-item {
    padding: 0.875rem 0;
    gap: 0.875rem;
  }

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

  .stat {
    padding: 1.5rem 1rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .stat-label {
    font-size: 0.85rem;
  }

  .features-grid,
  .programs-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .feature-card,
  .program-card,
  .testimonial {
    padding: 2rem 1.5rem;
  }

  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
  }

  .feature-title,
  .program-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }

  .feature-text {
    font-size: 0.95rem;
  }

  .program-header {
    padding: 2rem 1.5rem;
  }

  .program-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }

  .program-body {
    padding: 1.5rem;
  }

  .program-features li {
    font-size: 0.9rem;
    padding: 0.75rem 0;
  }

  .program-btn {
    padding: 0.875rem;
    font-size: 0.95rem;
  }

  .testimonial-text {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
  }

  .author-avatar {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }

  .author-name {
    font-size: 0.95rem;
  }

  .author-role {
    font-size: 0.8rem;
  }

  .footer {
    padding: 3rem 1.5rem 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
  }

  .footer h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
  }

  .footer p,
  .footer-links a {
    font-size: 0.875rem;
  }

  .footer-bottom {
    padding-top: 2rem;
    font-size: 0.85rem;
  }

  .social-links {
    gap: 0.75rem;
    margin-top: 1.25rem;
  }

  .social-link {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .floating-buttons {
    bottom: 1rem;
    right: 1rem;
    gap: 0.75rem;
  }

  .floating-btn {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.85rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .about-content {
    font-size: 0.95rem;
  }

  .requirements-card {
    padding: 1.75rem 1.25rem;
  }

  .requirement-item {
    padding: 0.75rem 0;
    gap: 0.75rem;
  }

  .stats-container {
    grid-template-columns: 1fr;
  }

  .stat {
    padding: 1.25rem 1rem;
  }

  .floating-buttons {
    bottom: 0.75rem;
    right: 0.75rem;
  }

  .floating-btn {
    width: 46px;
    height: 46px;
    font-size: 1.1rem;
  }
}