/* ============================================================
   SOFTTECH INSTITUTE - MASTER STYLESHEET
   Merged & Optimized - All in One
============================================================ */

/* ===================================
   CSS VARIABLES & ROOT STYLES
=================================== */
:root {
  /* Color Palette */
  --primary-color: #667eea;
  --primary-dark: #5a67d8;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);

  /* Brand Colors */
  --softtech-blue: #01008d;
  --softtech-blue-light: #5b7bf5;
  
  /* Neutral Colors */
  --white: #ffffff;
  --black: #000000;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Typography */
  --font-family: "Poppins", sans-serif;
  --font-family-ubuntu: "Ubuntu", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Spacing - Consolidated */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;

  /* Section Spacing - Standardized */
  --section-padding: 100px;
  --section-padding-md: 80px;
  --section-padding-sm: 60px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Border Radius */
  --border-radius-sm: 0.125rem;
  --border-radius-base: 0.25rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 0.75rem;
  --border-radius-2xl: 1rem;
  --border-radius-3xl: 1.5rem;
  --border-radius-full: 9999px;

  /* Transitions */
  --transition-all: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* About Page Variables */
  --about-primary: #667eea;
  --about-primary-dark: #5568d3;
  --about-secondary: #764ba2;
  --about-accent: #f093fb;
  --about-text: #1f2937;
  --about-text-light: #6b7280;
  --about-bg-light: #f9fafb;
  --about-bg-white: #ffffff;
  --about-border: rgba(107, 114, 128, 0.1);
  --about-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --about-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Courses Page Variables */
  --stgi-primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --stgi-secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --stgi-card-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --stgi-card-shadow-hover: 0 16px 64px rgba(102, 126, 234, 0.2);
  --stgi-glass-bg: rgba(255, 255, 255, 0.1);
  --stgi-glass-border: rgba(255, 255, 255, 0.2);
  --stgi-blur-effect: blur(10px);
}

/* ===================================
   UBUNTU FONT UTILITY CLASSES
=================================== */
.ubuntu-light { font-family: var(--font-family-ubuntu); font-weight: 300; font-style: normal; }
.ubuntu-regular { font-family: var(--font-family-ubuntu); font-weight: 400; font-style: normal; }
.ubuntu-medium { font-family: var(--font-family-ubuntu); font-weight: 500; font-style: normal; }
.ubuntu-bold { font-family: var(--font-family-ubuntu); font-weight: 700; font-style: normal; }
.ubuntu-light-italic { font-family: var(--font-family-ubuntu); font-weight: 300; font-style: italic; }
.ubuntu-regular-italic { font-family: var(--font-family-ubuntu); font-weight: 400; font-style: italic; }
.ubuntu-medium-italic { font-family: var(--font-family-ubuntu); font-weight: 500; font-style: italic; }
.ubuntu-bold-italic { font-family: var(--font-family-ubuntu); font-weight: 700; font-style: italic; }

/* ===================================
   RESET & BASE STYLES
=================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-all);
}

ul,
ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition-all);
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* ===================================
   UTILITY CLASSES
=================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.gradient-text {
  background: var(--primary-color);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-badge {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-4);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
  line-height: 1.2;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ===================================
   PRELOADER
=================================== */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: var(--transition-slow);
}

.loader {
  width: 50px;
  height: 50px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===================================
   NAVIGATION
=================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1000;
  padding: var(--spacing-4) 0;
  transition: var(--transition-all);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-3) 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.logo-img {
  width: 50px;
  height: 45px;
  border-radius: var(--border-radius-lg);
  font-family: var(--font-family-ubuntu);
  font-weight: 500;
}

.nav-logo h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  background: var(--softtech-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  transition: var(--transition-all);
}

.nav-link:hover {
  color: var(--softtech-blue-light);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2.5px;
  left: 0;
  width: 0;
  height: 2.5px;
  background: var(--softtech-blue-light);
  transition: var(--transition-all);
}

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

.nav-link.active {
  color: var(--softtech-blue-light) !important;
  border-bottom: 3px solid var(--softtech-blue-light);
}

.btn-enroll {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--border-radius-full);
  font-weight: 600;
  transition: var(--transition-all);
  box-shadow: var(--shadow-md);
}

.btn-enroll:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--gray-700);
  border-radius: var(--border-radius-full);
  transition: var(--transition-all);
}

/* ===================================
   HERO SECTION
=================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding-top: 100px;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  position: relative;
  z-index: 2;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(102, 126, 234, 0.1);
  color: var(--primary-color);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-6);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
}

.hero-title .letter {
  display: inline-block;
  opacity: 0;
  transform: translateX(-30px);
}

.hero-title .letter.animate {
  animation: slideInLetter 0.3s ease-out forwards;
}

.hero-title .space {
  display: inline-block;
  width: 0.3em;
}

@keyframes slideInLetter {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-8);
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.stat h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-1);
}

.stat p {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-4) var(--spacing-8);
  border-radius: var(--border-radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  transition: var(--transition-all);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2xl);
}

.btn-secondary {
  background: transparent;
  color: var(--gray-700);
  padding: var(--spacing-4) var(--spacing-8);
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  transition: var(--transition-all);
}

.btn-secondary:hover {
  background: var(--gray-900);
  color: var(--white);
  border-color: var(--gray-900);
  transform: translateY(-2px);
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 500px;
}

.hero-card {
  background: var(--white);
  padding: 40px;
  border-radius: 40%;
  box-shadow: var(--shadow-xl);
  text-align: center;
  position: absolute;
  min-width: 200px;
  animation: float 3s ease-in-out infinite;
}

/* Hero Cards - Individual Animation Delays */
.hero-card:nth-child(1) { animation-delay: 0s; }
.hero-card:nth-child(2) { animation-delay: 0.5s; }
.hero-card:nth-child(3) { animation-delay: 1s; }
.hero-card:nth-child(4) { animation-delay: 0.2s; }
.hero-card:nth-child(5) { animation-delay: 0.7s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-card i {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-3);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-card h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-2);
}

.hero-card p {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

/* Hero Cards Positioning */
.hero-card:nth-child(1) { top: -10px; left: -40px; z-index: 775; } /* SEO */
.hero-card:nth-child(2) { top: -10px; right: -80px; } /* Web Designing */
.hero-card:nth-child(3) { bottom: -30px; left: 420px; } /* Social Media */
.hero-card:nth-child(4) { bottom: 150px; left: 160px; } /* Digital */
.hero-card:nth-child(5) { bottom: -30px; left: -60px; } /* Lead Generation */

/* Hero Animation Background */
.hero-animation {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.floating-elements {
  position: absolute;
  inset: 0;
}

.element {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(45deg, rgba(53, 90, 255, 0.15), rgba(167, 78, 255, 0.15));
  animation: float-bg 6s ease-in-out infinite;
}

.element-1 { width: 120px; height: 120px; top: 45%; left: 8%; animation-delay: 0s; }
.element-2 { width: 180px; height: 180px; top: 30%; right: 5%; animation-delay: 2s; }
.element-3 { width: 90px; height: 90px; bottom: 20%; left: 30%; animation-delay: 4s; }

@keyframes float-bg {
  0%, 100% { transform: translateY(0) rotate(0); opacity: 0.3; }
  50% { transform: translateY(-30px) rotate(180deg); opacity: 0.6; }
}

/* ===================================
   WHY CHOOSE US SECTION
=================================== */
.why-choose-us {
  padding: var(--section-padding) 0;
  background: linear-gradient(135deg, #f8f9ff 0%, #fff 100%);
  position: relative;
  overflow: hidden;
}

.why-choose-us::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(99, 102, 241, 0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.feature-card {
  background: white;
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--softtech-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: var(--softtech-blue);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  transition: all 0.4s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
}

.feature-icon i {
  font-size: 32px;
  color: white;
}

.feature-card h3 {
  font-size: 22px;
  color: #1a202c;
  margin-bottom: 15px;
  font-weight: 600;
}

.feature-card p {
  font-size: 16px;
  color: #718096;
  line-height: 1.7;
}

/* ===================================
   POPULAR COURSES SECTION
=================================== */
.popular-courses {
  padding: var(--section-padding) 0;
  background: white;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.course-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.4s ease;
  position: relative;
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.course-image {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--gradient-primary);
}

.course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.course-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: #f59e0b;
  color: white;
  padding: 6px 15px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.course-badge.trending { background: #10b981; }
.course-badge.new { background: var(--primary-color); }

.course-content {
  padding: 25px;
}

.course-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 15px;
  font-size: 14px;
  color: #718096;
}

.course-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.course-content h3 {
  font-size: 22px;
  color: #1a202c;
  margin-bottom: 12px;
  font-weight: 600;
}

.course-content > p {
  font-size: 15px;
  color: #718096;
  line-height: 1.6;
  margin-bottom: 20px;
}

.course-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 15px;
  border-top: 1px solid #e2e8f0;
  margin-bottom: 20px;
}

.course-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #718096;
}

.course-rating i {
  color: #f59e0b;
  font-size: 16px;
}

.course-price {
  display: flex;
  align-items: center;
  gap: 10px;
}

.old-price {
  text-decoration: line-through;
  color: #cbd5e0;
  font-size: 16px;
}

.new-price {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
}

.btn-enroll {
  width: 100%;
  padding: 14px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-enroll:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.view-all-courses {
  text-align: center;
  margin-top: 50px;
}

/* ===================================
   HOW IT WORKS SECTION
=================================== */
.how-it-works {
  padding: var(--section-padding) 0;
  background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.how-it-works::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.how-it-works::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(118, 75, 162, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.how-it-works .section-badge {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.how-it-works .section-header h2,
.how-it-works .section-header p {
  color: white;
}

.steps-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 60px;
  position: relative;
  flex-wrap: wrap;
  gap: 20px;
}

.step-card {
  flex: 1;
  min-width: 220px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 40px 25px;
  border-radius: 20px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
}

.step-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(102, 126, 234, 0.5);
}

.step-number {
  position: absolute;
  top: -15px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}

.step-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: all 0.4s ease;
}

.step-card:hover .step-icon {
  transform: scale(1.1) rotate(10deg);
}

.step-icon i {
  font-size: 36px;
  color: white;
}

.step-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
  font-weight: 600;
}

.step-card p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.step-connector {
  width: 60px;
  height: 2px;
  background: var(--gradient-primary);
  position: relative;
}

.step-connector::after {
  content: '→';
  position: absolute;
  right: -10px;
  top: -10px;
  font-size: 20px;
  color: var(--primary-color);
}

/* ===================================
   TESTIMONIALS SECTION
=================================== */
.testimonials {
  padding: var(--section-padding) 0;
  background: #f7fafc;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.testimonial-card {
  background: white;
  padding: 35px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.4s ease;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 30px;
  font-size: 100px;
  color: var(--primary-color);
  opacity: 0.1;
  font-family: Georgia, serif;
}

.testimonial-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
}

.testimonial-rating {
  display: flex;
  gap: 5px;
  margin-bottom: 20px;
}

.testimonial-rating i {
  color: #f59e0b;
  font-size: 18px;
}

.testimonial-text {
  font-size: 16px;
  line-height: 1.8;
  color: #4a5568;
  margin-bottom: 25px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-color);
}

.author-info h4 {
  font-size: 18px;
  color: #1a202c;
  margin-bottom: 5px;
  font-weight: 600;
}

.author-info p {
  font-size: 14px;
  color: #718096;
  margin-bottom: 5px;
}

.package {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-color);
  color: white;
  border-radius: 15px;
  font-size: 12px;
  font-weight: 600;
}

/* ===================================
   STATS SECTION
=================================== */
.stats-section {
  padding: var(--section-padding-md) 0;
  background: var(--softtech-blue);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="stats-grid" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23stats-grid)"/></svg>');
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  position: relative;
  z-index: 1;
}

.stat-box {
  text-align: center;
  color: white;
}

.stat-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: all 0.4s ease;
}

.stat-box:hover .stat-icon {
  transform: scale(1.1) rotate(10deg);
  background: rgba(255, 255, 255, 0.2);
}

.stat-icon i {
  font-size: 36px;
}

.stat-box h3 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 10px;
}

.stat-box p {
  font-size: 18px;
  opacity: 0.9;
}

/* ===================================
   UPCOMING BATCHES SECTION
=================================== */
.upcoming-batches {
  padding: var(--section-padding) 0;
  background: white;
}

.batches-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.batch-card {
  background: white;
  border: 2px solid #e2e8f0;
  border-radius: 20px;
  padding: 30px;
  transition: all 0.4s ease;
}

.batch-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
  transform: translateY(-5px);
}

.batch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 2px solid #f7fafc;
}

.batch-header h3 {
  font-size: 22px;
  color: #1a202c;
  font-weight: 600;
}

.batch-status {
  padding: 6px 15px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.batch-status.filling-fast { background: #fee2e2; color: #dc2626; }
.batch-status.available { background: #d1fae5; color: #059669; }
.batch-status.new-batch { background: #dbeafe; color: #2563eb; }

.batch-details {
  margin-bottom: 25px;
}

.batch-info {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
}

.batch-info i {
  font-size: 20px;
  color: var(--primary-color);
  margin-top: 3px;
}

.batch-info strong {
  display: block;
  color: #1a202c;
  font-size: 14px;
  margin-bottom: 5px;
}

.batch-info p {
  color: #718096;
  font-size: 15px;
}

/* ===================================
   CTA SECTION
=================================== */
.cta-section {
  padding: var(--section-padding) 0;
  background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-text h2 {
  font-size: 42px;
  color: white;
  margin-bottom: 20px;
  font-weight: 700;
}

.cta-text > p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
  line-height: 1.7;
}

.cta-benefits {
  list-style: none;
  padding: 0;
}

.cta-benefits li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
  font-size: 16px;
  color: white;
}

.cta-benefits i {
  color: #10b981;
  font-size: 20px;
}

.cta-form {
  background: white;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.cta-form h3 {
  font-size: 28px;
  color: #1a202c;
  margin-bottom: 25px;
  font-weight: 600;
}

.cta-form input,
.cta-form select {
  width: 100%;
  padding: 15px;
  margin-bottom: 20px;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  font-size: 16px;
  transition: all 0.3s ease;
  font-family: var(--font-family);
}

.cta-form input:focus,
.cta-form select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.cta-form .btn-primary {
  width: 100%;
  margin-bottom: 15px;
  background: var(--softtech-blue); /* Special color for CTA button */
}

.cta-note {
  text-align: center;
  font-size: 14px;
  color: #718096;
  margin: 0;
}

/* ===================================
   FOOTER
=================================== */
.footer-wave svg {
  display: block;
  width: 100%;
  height: 80px;
}

.footer-wave path {
  fill: var(--gray-900);
}

.footer {
  background: var(--gray-900);
  color: var(--gray-50);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-16);
  padding: var(--spacing-20) 0 var(--spacing-12);
}

.footer h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-4);
  color: var(--white);
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer li + li {
  margin-top: var(--spacing-2);
}

.footer a {
  color: var(--gray-300);
  transition: color 0.2s;
}

.footer a:hover {
  color: var(--white);
}

.social {
  display: flex;
  gap: var(--spacing-4);
  margin-top: var(--spacing-4);
}

.social a {
  font-size: 1.125rem;
  color: var(--gray-400);
  transition: transform 0.2s, color 0.2s;
}

.social a:hover {
  color: white;
  transform: translateY(-4px) scale(1.1);
}

.newsletter {
  grid-column: 1/-1;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-6);
  text-align: center;
  box-shadow: var(--shadow-2xl);
}

.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  justify-content: center;
  margin-top: var(--spacing-6);
}

.newsletter input {
  flex: 1 1 240px;
  padding: var(--spacing-4);
  border-radius: var(--border-radius-full);
  border: none;
}

.newsletter button {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--primary-color);
  color: #fff;
  padding: var(--spacing-4) var(--spacing-8);
  border-radius: var(--border-radius-full);
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

.newsletter button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.footer-bottom {
  text-align: center;
  padding: var(--spacing-6) 0;
  font-size: var(--font-size-xs);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================================
   ABOUT PAGE STYLES
============================================================ */
.about-hero-section {
  position: relative;
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #a4d8ff 0%, #2fb3ff 100%);
  overflow: hidden;
  min-height: 500px;
}

.about-hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.3) 0%, transparent 50%);
  animation: about-float 20s ease-in-out infinite;
}

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

.about-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.about-hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.about-hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.8;
  max-width: 700px;
  margin: 0 auto;
}

.about-hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.about-stat-card {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.about-stat-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-stat-icon {
  font-size: 2.5rem;
  color: #ffffff;
  margin-bottom: 1rem;
}

.about-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.about-stat-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.about-mission-section,
.about-journey-section,
.about-values-section,
.about-team-section,
.about-why-section {
  padding: 80px 0;
}

.about-section-title {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--about-text);
  text-align: center;
  margin-bottom: 1rem;
}

.about-section-subtitle {
  font-size: 1.125rem;
  color: var(--about-text-light);
  text-align: center;
  margin-bottom: 3rem;
}

.about-mission-section { background: var(--about-bg-light); }
.about-journey-section { background: var(--about-bg-white); }
.about-values-section { background: var(--about-bg-light); }
.about-team-section { background: var(--about-bg-white); }
.about-why-section { background: var(--about-bg-light); }

.about-mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.about-mission-card {
  background: var(--about-bg-white);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: var(--about-shadow);
  transition: all 0.3s ease;
}

.about-mission-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--about-shadow-lg);
}

.about-mission-icon {
  width: 80px;
  height: 80px;
  background: #00c3ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.about-mission-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--about-text);
  margin-bottom: 1rem;
}

.about-mission-text {
  font-size: 1.0625rem;
  color: var(--about-text-light);
  line-height: 1.8;
}

.about-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding: 2rem 0;
}

.about-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, #007600, #009c00);
}

.about-timeline-item {
  position: relative;
  margin-bottom: 4rem;
  display: flex;
  justify-content: flex-end;
  padding-right: calc(50% + 40px);
}

.about-timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: calc(50% + 40px);
}

.about-timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: #00c600;
  border: 4px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

.about-timeline-content {
  background: var(--about-bg-white);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--about-shadow);
  width: 100%;
  transition: all 0.3s ease;
}

.about-timeline-content:hover {
  transform: scale(1.03);
  box-shadow: var(--about-shadow-lg);
}

.about-timeline-year {
  display: inline-block;
  background: linear-gradient(135deg, #bebe00, #d5d500);
  color: #000000;
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.about-timeline-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--about-text);
  margin-bottom: 0.75rem;
}

.about-timeline-text {
  font-size: 1rem;
  color: var(--about-text-light);
  line-height: 1.7;
}

.about-values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.about-value-card {
  background: var(--about-bg-white);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--about-shadow);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.about-value-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--about-shadow-lg);
}

.about-value-icon {
  width: 70px;
  height: 70px;
  background: green;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #ffffff;
  margin: 0 auto 1.5rem;
}

.about-value-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--about-text);
  margin-bottom: 1rem;
}

.about-value-text {
  font-size: 1rem;
  color: var(--about-text-light);
  line-height: 1.7;
}

.about-team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
}

.about-team-card {
  background: var(--about-bg-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--about-shadow);
  transition: all 0.3s ease;
}

.about-team-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--about-shadow-lg);
}

.about-team-image {
  height: 250px;
  background: linear-gradient(135deg, green, #39b139);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-team-avatar {
  width: 120px;
  height: 120px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: #ffffff;
}

.about-team-info {
  padding: 2rem;
  text-align: center;
}

.about-team-name {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--about-text);
  margin-bottom: 0.5rem;
}

.about-team-role {
  font-size: 1rem;
  color: var(--about-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.about-team-bio {
  font-size: 0.9375rem;
  color: var(--about-text-light);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.about-team-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.about-social-link {
  width: 40px;
  height: 40px;
  background: var(--about-bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--about-primary);
  transition: all 0.3s ease;
}

.about-social-link:hover {
  background: var(--about-primary);
  color: #ffffff;
  transform: translateY(-3px);
}

.about-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.about-feature-card {
  background: var(--about-bg-white);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--about-shadow);
  transition: all 0.3s ease;
}

.about-feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--about-shadow-lg);
}

.about-feature-icon {
  width: 70px;
  height: 70px;
  background: rgba(102, 126, 234, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--about-primary);
  margin-bottom: 1.5rem;
}

.about-feature-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--about-text);
  margin-bottom: 1rem;
}

.about-feature-text {
  font-size: 1rem;
  color: var(--about-text-light);
  line-height: 1.7;
}

.about-cta-section {
  background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.about-cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
}

.about-cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.about-cta-title {
  font-size: 2.75rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.about-cta-text {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.about-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.about-btn-primary,
.about-btn-secondary {
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 1.0625rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.about-btn-primary {
  background: linear-gradient(135deg, var(--about-primary), var(--about-secondary));
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.about-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.about-btn-secondary {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.about-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-3px);
}

.about-newsletter-section {
  background: var(--about-bg-light);
  padding: 60px 0;
}

.about-newsletter-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.about-newsletter-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--about-text);
  margin-bottom: 1rem;
}

.about-newsletter-text {
  font-size: 1.0625rem;
  color: var(--about-text-light);
  margin-bottom: 2rem;
}

.about-newsletter-form {
  display: flex;
  gap: 1rem;
  max-width: 550px;
  margin: 0 auto;
}

.about-newsletter-input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: 2px solid var(--about-border);
  border-radius: 50px;
  font-size: 1rem;
  outline: none;
  transition: all 0.3s ease;
}

.about-newsletter-input:focus {
  border-color: var(--about-primary);
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.about-newsletter-btn {
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--about-primary), var(--about-secondary));
  color: #ffffff;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.about-newsletter-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* ============================================================
   COURSES PAGE STYLES
============================================================ */
#stgi-particles-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: var(--gradient-primary);
  opacity: 0.05;
}

.stgi-courses-hero {
  padding: 150px 0 100px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  position: relative;
  overflow: hidden;
}

.stgi-courses-hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
  animation: stgi-float 20s ease-in-out infinite;
}

@keyframes stgi-float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-20px, -20px) rotate(180deg); }
}

.stgi-hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.stgi-hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: var(--stgi-primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
  line-height: 1.1;
  padding-bottom: 10px;
  letter-spacing: -0.02em;
}

.stgi-hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.375rem);
  color: var(--gray-600);
  margin-bottom: 3rem;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.stgi-hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  padding: 0 1rem;
}

.stgi-stat {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--stgi-glass-bg);
  backdrop-filter: var(--stgi-blur-effect);
  border: 1px solid var(--stgi-glass-border);
  border-radius: 1rem;
  box-shadow: var(--stgi-card-shadow);
  transition: all 0.3s ease;
}

.stgi-stat:hover {
  transform: translateY(-5px);
  box-shadow: var(--stgi-card-shadow-hover);
}

.stgi-stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: black;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.stgi-stat-label {
  font-size: 1rem;
  color: var(--gray-500);
  font-weight: 600;
}

.stgi-filter-section {
  padding: 2rem 0 2rem;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px);
}

.stgi-filter-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0 1rem;
}

.stgi-filter-btn {
  padding: 0.875rem 1.75rem;
  min-width: 120px;
  text-align: center;
  border: 2px solid var(--stgi-glass-border);
  background: transparent;
  color: var(--gray-500);
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stgi-filter-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--softtech-blue-light);
  transition: left 0.3s ease;
  z-index: -1;
}

.stgi-filter-btn:hover::before,
.stgi-filter-btn.active::before {
  left: 0;
}

.stgi-filter-btn:hover,
.stgi-filter-btn.active {
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.stgi-courses-section {
  padding: 1rem 0 6rem;
  background: linear-gradient(135deg, rgba(249, 250, 251, 0.8) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.stgi-course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  padding: 0 1rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.stgi-course-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: var(--stgi-blur-effect);
  border: 1px solid var(--stgi-glass-border);
  border-radius: 1.25rem;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow: var(--stgi-card-shadow);
  max-width: 380px;
  margin: 0 auto;
}

.stgi-course-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--stgi-primary-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.stgi-course-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--stgi-card-shadow-hover);
}

.stgi-card-image {
  height: 150px;
  background: #e8e8e8;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.stgi-card-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.stgi-course-card:hover .stgi-card-image::before {
  transform: translateX(100%);
}

.stgi-course-icon {
  font-size: 3rem;
  color: white;
  z-index: 2;
  transition: all 0.3s ease;
}

.stgi-course-card:hover .stgi-course-icon {
  transform: scale(1.1) rotate(5deg);
}

/* Course Card Icon Colors */
.stgi-course-card:nth-child(1) .stgi-course-icon { color: #667eea; }
.stgi-course-card:nth-child(2) .stgi-course-icon { color: #4facfe; }
.stgi-course-card:nth-child(3) .stgi-course-icon { color: #f093fb; }
.stgi-course-card:nth-child(4) .stgi-course-icon { color: #43e97b; }
.stgi-course-card:nth-child(5) .stgi-course-icon { color: #fa709a; }
.stgi-course-card:nth-child(6) .stgi-course-icon { color: #30cfd0; }

.stgi-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.3s ease;
}

.stgi-course-card:hover .stgi-card-overlay {
  opacity: 1;
}

.stgi-preview-btn {
  background: white;
  color: #667eea;
  border: none;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transform: translateY(20px);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stgi-course-card:hover .stgi-preview-btn {
  transform: translateY(0);
}

.stgi-preview-btn:hover {
  background: #667eea;
  color: white;
  transform: scale(1.05);
}

.stgi-card-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 3;
}

.stgi-badge-hot {
  background: linear-gradient(135deg, #ff6b6b, #ee5a24);
  color: white;
  animation: stgi-pulse 2s infinite;
}

.stgi-badge-new {
  background: linear-gradient(135deg, #00b894, #00cec9);
  color: white;
}

.stgi-badge-popular,
.stgi-badge-trending {
  background: linear-gradient(135deg, #fdcb6e, #e17055);
  color: white;
}

@keyframes stgi-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.stgi-card-content {
  padding: 1.5rem;
}

.stgi-course-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(229, 231, 235, 0.3);
}

.stgi-course-level {
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stgi-level-beginner { background: rgba(34, 197, 94, 0.1); color: #16a34a; }
.stgi-level-intermediate { background: rgba(251, 191, 36, 0.1); color: #d97706; }
.stgi-level-advanced { background: rgba(239, 68, 68, 0.1); color: #dc2626; }

.stgi-course-duration {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 600;
}

.stgi-course-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.stgi-course-description {
  color: var(--gray-500);
  line-height: 1.5;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.stgi-course-features {
  margin-bottom: 1rem;
}

.stgi-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  color: var(--gray-600);
}

.stgi-feature i {
  color: #10b981;
  font-size: 1rem;
}

.stgi-course-instructor {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: rgba(249, 250, 251, 0.8);
  border-radius: 0.75rem;
  border: 1px solid rgba(229, 231, 235, 0.4);
}

.stgi-instructor-avatar {
  width: 40px;
  height: 40px;
  background: var(--softtech-blue-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
}

.stgi-instructor-name {
  font-weight: 600;
  color: var(--gray-900);
  display: block;
  margin-bottom: 0.125rem;
  font-size: 0.875rem;
}

.stgi-instructor-rating {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.stgi-instructor-rating i {
  color: #fbbf24;
  font-size: 0.75rem;
}

.stgi-instructor-rating span {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-left: 0.25rem;
}

.stgi-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid rgba(229, 231, 235, 0.5);
}

.stgi-course-price {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

.stgi-price-current {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

.stgi-price-original {
  font-size: 1rem;
  color: var(--gray-400);
  text-decoration: line-through;
  opacity: 0.8;
}

.stgi-enroll-btn {
  background: var(--softtech-blue-light);
  color: white;
  border: none;
  padding: 0.75rem 1.25rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  position: relative;
  overflow: hidden;
}

.stgi-enroll-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2979fa 0%, #667eea 100%);
  transition: left 0.3s ease;
  z-index: -1;
}

.stgi-enroll-btn:hover::before {
  left: 0;
}

.stgi-enroll-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.stgi-enroll-btn i {
  transition: transform 0.3s ease;
}

.stgi-enroll-btn:hover i {
  transform: translateX(5px);
}

.stgi-testimonials-section {
  padding: 6rem 0;
  background: #efefef;
  position: relative;
  overflow: visible;
}

.stgi-testimonials-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='7' cy='7' r='7'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.stgi-section-title {
  text-align: center;
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 3rem;
  position: relative;
  z-index: 2;
}

.stgi-testimonials-swiper {
  padding: 2rem 0 4rem;
  position: relative;
  z-index: 2;
  overflow: visible;
}

.stgi-testimonial-card {
  background: #bababa;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1.5rem;
  padding: 2.5rem;
  text-align: center;
  margin: 0 0.5rem;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stgi-testimonial-content p {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  font-style: italic;
}

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

.stgi-author-avatar {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stgi-author-info h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.stgi-author-info span {
  font-size: 0.875rem;
  opacity: 0.8;
}

.stgi-testimonials-swiper .swiper-pagination {
  position: absolute;
  bottom: -25px;
}

.stgi-cta-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.95), rgba(17, 24, 39, 0.98));
  text-align: center;
  position: relative;
}

.stgi-cta-content h2 {
  font-size: 3rem;
  font-weight: 800;
  color: white;
  margin-bottom: 1.5rem;
}

.stgi-cta-content p {
  font-size: 1.25rem;
  color: #d1d5db;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.stgi-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stgi-cta-btn {
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.stgi-cta-primary {
  background: var(--softtech-blue-light);
  color: white;
}

.stgi-cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.stgi-cta-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

.stgi-cta-secondary:hover {
  background: white;
  color: #111827;
  transform: translateY(-3px);
}

/* ============================================================
   RESPONSIVE STYLES - CONSOLIDATED
============================================================ */

/* Tablet (≤1024px) */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-6);
  }
  
  .hero-content {
    gap: var(--spacing-12);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .cta-content {
    gap: 40px;
  }
  
  .cta-text h2 {
    font-size: 36px;
  }
}

/* Mobile (≤992px) - Hero cards hidden intentionally */
@media (max-width: 992px) {
  .hero-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
    grid-template-columns: 1fr;
  }

  .hero-text-desktop {
    width: 100%;
  }

  .hero-title {
    font-size: 30px;
    line-height: 1.3;
  }

  .hero-subtitle {
    font-size: 14px;
    padding: 0 10px;
  }

  .hero-stats {
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }

  .stat h3 {
    font-size: 18px;
  }

  .stat p {
    font-size: 12px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .hero-buttons button {
    width: 80%;
  }

  .btn-secondary {
    border: 2px solid var(--gray-300);
  }

  /* Cards intentionally hidden on mobile - as requested */
  .hero-image-desktop {
    display: none;
  }
  
  .cta-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .cta-benefits li {
    justify-content: center;
  }
  
  .about-hero-title {
    font-size: 2.5rem;
  }
  
  .stgi-hero-title {
    font-size: 3rem;
  }
  
  .stgi-course-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile (≤768px) */
@media (max-width: 768px) {
  /* Navigation */
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 2rem 0;
    gap: 2rem;
    transition: left 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    font-size: 1.2rem;
    font-weight: 600;
    padding: 1rem 2rem;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  }

  .btn-enroll {
    margin-top: 1rem;
    padding: 1rem 2rem;
    font-size: 1.1rem;
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Hero adjustments */
  .hero {
    padding-top: 120px;
    padding-bottom: var(--spacing-16);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-stats {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Sections */
  .section-header h2 {
    font-size: 32px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .courses-grid {
    grid-template-columns: 1fr;
  }
  
  .steps-container {
    flex-direction: column;
  }
  
  .step-connector {
    width: 2px;
    height: 40px;
    transform: rotate(0);
  }
  
  .step-connector::after {
    content: '↓';
    right: -10px;
    top: 10px;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  
  .batches-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-content {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }
  
  .newsletter {
    grid-column: auto;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter input,
  .newsletter button {
    width: 100%;
  }
  
  /* About page */
  .about-hero-title {
    font-size: 2rem;
  }
  
  .about-hero-stats {
    grid-template-columns: 1fr;
  }
  
  .about-mission-grid {
    grid-template-columns: 1fr;
  }
  
  .about-timeline::before {
    left: 20px;
  }
  
  .about-timeline-item,
  .about-timeline-item:nth-child(even) {
    padding-left: 60px;
    padding-right: 0;
    justify-content: flex-start;
  }
  
  .about-timeline-dot {
    left: 20px;
  }
  
  .about-values-grid,
  .about-team-grid,
  .about-features-grid {
    grid-template-columns: 1fr;
  }
  
  .about-cta-title {
    font-size: 2rem;
  }
  
  .about-cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .about-newsletter-form {
    flex-direction: column;
  }
  
  /* Courses page */
  .stgi-courses-hero {
    padding: 120px 0 60px;
  }
  
  .stgi-hero-title {
    font-size: 2.5rem;
  }
  
  .stgi-hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .stgi-course-grid {
    grid-template-columns: 1fr;
  }
  
  .stgi-filter-tabs {
    gap: 0.5rem;
  }
  
  .stgi-filter-btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    min-width: 100px;
  }
  
  .stgi-testimonials-section {
    padding: 4rem 0;
  }
  
  .stgi-section-title {
    font-size: 2rem;
  }
  
  .stgi-cta-section {
    padding: 4rem 0;
  }
  
  .stgi-cta-content h2 {
    font-size: 2rem;
  }
  
  .stgi-cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
}

/* Small Mobile (≤480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-4);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-buttons button {
    width: 100%;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    justify-content: center;
  }
  
  .section-header h2 {
    font-size: 28px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .stat-box h3 {
    font-size: 36px;
  }
  
  .cta-form {
    padding: 30px 20px;
  }
  
  .cta-form h3 {
    font-size: 24px;
  }
  
  .footer-grid {
    padding: var(--spacing-12) 0 var(--spacing-8);
  }
  
  .stgi-hero-title {
    font-size: 2rem;
  }
  
  .stgi-card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .stgi-enroll-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
  .hero {
    padding: 100px 0 var(--spacing-12);
  }
  
  .hero-content {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }
  
  .hero-image-desktop {
    display: none; /* Keep cards hidden in landscape too */
  }
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Accessibility - Focus States */
.stgi-filter-btn:focus,
.stgi-enroll-btn:focus,
.stgi-preview-btn:focus,
.btn-primary:focus,
.btn-secondary:focus {
  outline: 2px solid #757575;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

/* Loading States */
.stgi-course-card.loading {
  opacity: 0.6;
  pointer-events: none;
}

.stgi-course-card.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  border: 3px solid rgba(102, 126, 234, 0.3);
  border-top: 3px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  transform: translate(-50%, -50%);
}

/* Animation Utility Classes */
.fade-up,
.fade-left,
.fade-right,
.zoom-in {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.9s ease;
}

.fade-left { transform: translateX(-40px); }
.fade-right { transform: translateX(40px); }
.zoom-in { transform: scale(0.8); }

.animate-visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

.section-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 1s ease;
}

.section-reveal.animate-visible {
  opacity: 1;
  transform: translateY(0);
}