/* ============================================
   DE PLATFORM STYLES
   Version 2.0 - Clean & Organized
============================================ */

/* ==========================================
   ROOT VARIABLES
========================================== */
:root {
  --primary: #050A30;
  --primary-light: #0a1452;
  --primary-dark: #030618;
  --secondary: #5cb6f9;
  --secondary-light: #8ccbfb;
  --secondary-dark: #2a9df4;
  --white: #ffffff;
  --off-white: #f8fafc;
  --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;
  
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  --font-heading: 'Roboto', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-glow: 0 0 40px rgba(92, 182, 249, 0.3);
  --shadow-glow-lg: 0 0 60px rgba(92, 182, 249, 0.4);
  
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-slower: 500ms ease;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
}

/* ==========================================
   UTILITY CLASSES
========================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-lg {
  max-width: 1400px;
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

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

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ==========================================
   BUTTONS
========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-slow);
}

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

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

.btn-primary:hover {
  background: var(--secondary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

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

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

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

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

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

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
}

.btn-lg {
  padding: 20px 40px;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 12px 24px;
  font-size: 0.9rem;
}

.btn-icon {
  font-size: 1.2em;
  transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* ==========================================
   NAVIGATION
========================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(5, 10, 48, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: var(--shadow-lg);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo - INVERTED COLORS (White on Navy) */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.nav-logo-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border: 2px solid var(--secondary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 16px;
  color: var(--white);
  letter-spacing: -1px;
  box-shadow: var(--shadow-md);
}

.nav-logo-icon .dot {
  color: var(--secondary);
  margin: 0 1px;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
}

.nav-logo-text span {
  color: var(--secondary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--white);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-btn-login {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--white);
  padding: 10px 20px;
  border-radius: 8px;
  transition: all var(--transition-base);
}

.nav-btn-login:hover {
  background: rgba(255,255,255,0.1);
}

.nav-btn-signup {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--primary);
  background: var(--secondary);
  padding: 12px 24px;
  border-radius: 50px;
  transition: all var(--transition-base);
}

.nav-btn-signup:hover {
  background: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
  padding: 8px;
}

.nav-toggle span {
  width: 28px;
  height: 3px;
  background: var(--white);
  border-radius: 3px;
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ==========================================
   HERO SECTION
========================================== */
.hero {
  min-height: 100vh;
  background: var(--primary);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 100px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.hero-bg-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(92, 182, 249, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(92, 182, 249, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 40%, rgba(92, 182, 249, 0.05) 0%, transparent 40%);
}

.hero-bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(92, 182, 249, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 182, 249, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.hero-float-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 15s ease-in-out infinite;
}

.hero-float-1 {
  width: 500px;
  height: 500px;
  background: var(--secondary);
  top: -10%;
  right: -5%;
}

.hero-float-2 {
  width: 400px;
  height: 400px;
  background: var(--secondary-dark);
  bottom: -10%;
  left: -5%;
  animation-delay: -5s;
}

.hero-float-3 {
  width: 200px;
  height: 200px;
  background: var(--secondary-light);
  top: 40%;
  left: 30%;
  animation-delay: -10s;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 60px 0;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: rgba(92, 182, 249, 0.1);
  border: 1px solid rgba(92, 182, 249, 0.3);
  border-radius: 50px;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

.hero-badge-text {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--secondary);
  letter-spacing: 0.5px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 150ms;
}

.hero-title-highlight {
  position: relative;
  color: var(--secondary);
  display: inline-block;
}

.hero-title-highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 12px;
  background: rgba(92, 182, 249, 0.2);
  z-index: -1;
  border-radius: 4px;
}

.hero-description {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 36px;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 300ms;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 450ms;
}

.hero-stats {
  display: flex;
  gap: 48px;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 600ms;
}

.hero-stat {
  position: relative;
  padding-left: 16px;
}

.hero-stat::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--secondary);
  border-radius: 3px;
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  opacity: 0;
  animation: slideInRight 0.8s ease forwards;
  animation-delay: 400ms;
}

.hero-cards {
  position: relative;
  height: 480px;
}

.hero-card {
  position: absolute;
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  display: block;
}

.hero-card:hover {
  transform: translateY(-10px) rotate(0deg) !important;
  box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

.hero-card-1 {
  width: 300px;
  top: 0;
  left: 20px;
  transform: rotate(-4deg);
  z-index: 3;
  animation: float 6s ease-in-out infinite;
}

.hero-card-2 {
  width: 280px;
  top: 40px;
  right: 0;
  transform: rotate(6deg);
  z-index: 2;
  animation: float 6s ease-in-out infinite;
  animation-delay: -2s;
}

.hero-card-3 {
  width: 260px;
  bottom: 20px;
  left: 60px;
  transform: rotate(-2deg);
  z-index: 1;
  animation: float 6s ease-in-out infinite;
  animation-delay: -4s;
}

.hero-card-image {
  height: 140px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-card-image::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='%235cb6f9' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-card-image-blue {
  background: linear-gradient(135deg, #1a237e 0%, var(--secondary) 100%);
}

.hero-card-image-green {
  background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.hero-card-gate {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(255,255,255,0.15);
  letter-spacing: 4px;
  z-index: 1;
}

.hero-card-content {
  padding: 20px;
}

.hero-card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(92, 182, 249, 0.1);
  color: var(--secondary-dark);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 50px;
  margin-bottom: 10px;
}

.hero-card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
  line-height: 1.3;
}

.hero-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.hero-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================
   TRUSTED BY
========================================== */
.trusted {
  padding: 48px 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.trusted-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.trusted-text {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.trusted-logos {
  display: flex;
  align-items: center;
  gap: 48px;
}

.trusted-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gray-300);
  transition: color var(--transition-base);
}

.trusted-logo:hover {
  color: var(--gray-600);
}

/* ==========================================
   SECTION STYLES
========================================== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 72px;
}

.section-tag {
  display: inline-block;
  padding: 8px 20px;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.section-tag-alt {
  background: var(--secondary);
  color: var(--primary);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-title-light {
  color: var(--white);
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--gray-600);
  line-height: 1.7;
}

.section-subtitle-light {
  color: rgba(255,255,255,0.7);
}

/* ==========================================
   FEATURES SECTION
========================================== */
.features {
  padding: 120px 0;
  background: var(--off-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

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

.feature-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, rgba(92, 182, 249, 0.1) 0%, rgba(92, 182, 249, 0.05) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 24px;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.feature-description {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ==========================================
   JOURNEY SECTION
========================================== */
.journey {
  padding: 120px 0;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.journey::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 30% 20%, rgba(92, 182, 249, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(92, 182, 249, 0.08) 0%, transparent 50%);
}

.journey-content {
  position: relative;
  z-index: 1;
}

.journey .section-header {
  margin-bottom: 80px;
}

.journey-timeline {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
}

.journey-timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 60px;
  right: 60px;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
}

.journey-gate {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.journey-gate:hover {
  transform: translateY(-8px);
}

.journey-gate-number {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 16px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transition: all var(--transition-base);
  position: relative;
  z-index: 1;
}

.journey-gate:hover .journey-gate-number {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl), var(--shadow-glow-lg);
}

.journey-gate-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  text-align: center;
  max-width: 100px;
  line-height: 1.4;
}

/* ==========================================
   COURSES SECTION
========================================== */
.courses {
  padding: 120px 0;
  background: var(--white);
}

.courses-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 60px;
}

.courses-header-text {
  max-width: 500px;
}

.courses-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.courses-tab {
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-500);
  background: transparent;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-base);
}

.courses-tab:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.courses-tab.active {
  background: var(--primary);
  color: var(--white);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.course-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  display: block;
  text-decoration: none;
}

.course-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.course-image {
  height: 160px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.course-image::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='%235cb6f9' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Course Image Color Variants */
.course-image-indigo { background: linear-gradient(135deg, #1a237e 0%, #3949ab 100%); }
.course-image-blue { background: linear-gradient(135deg, #1565c0 0%, #42a5f5 100%); }
.course-image-purple { background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%); }
.course-image-teal { background: linear-gradient(135deg, #0d9488 0%, #5eead4 100%); }
.course-image-orange { background: linear-gradient(135deg, #ea580c 0%, #fb923c 100%); }
.course-image-pink { background: linear-gradient(135deg, #db2777 0%, #f472b6 100%); }
.course-image-cyan { background: linear-gradient(135deg, #0891b2 0%, #67e8f9 100%); }
.course-image-yellow { background: linear-gradient(135deg, #ca8a04 0%, #fde047 100%); }
.course-image-rose { background: linear-gradient(135deg, #e11d48 0%, #fda4af 100%); }
.course-image-green { background: linear-gradient(135deg, #059669 0%, #34d399 100%); }
.course-image-diplomatia { background: linear-gradient(135deg, #4338ca 0%, #818cf8 100%); }

.course-gate {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255,255,255,0.15);
  letter-spacing: 4px;
  z-index: 1;
}

.course-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: var(--white);
  color: var(--primary);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 50px;
  box-shadow: var(--shadow-md);
}

.course-content {
  padding: 24px;
}

.course-org {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--secondary-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.course-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
}

.course-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.course-info span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.course-price {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

.course-price.free {
  color: var(--success);
}

/* ==========================================
   TRACKS SECTION
========================================== */
.tracks {
  padding: 120px 0;
  background: var(--off-white);
}

.tracks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.track-card {
  background: var(--white);
  border-radius: 28px;
  padding: 48px;
  border: 2px solid var(--gray-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.track-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
}

.track-card.entreprenerds::before {
  background: linear-gradient(90deg, var(--secondary), #10b981);
}

.track-card.diplomatia::before {
  background: linear-gradient(90deg, var(--primary), #8b5cf6);
}

.track-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.track-icon {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin-bottom: 28px;
}

.track-card.entreprenerds .track-icon {
  background: linear-gradient(135deg, rgba(92, 182, 249, 0.15) 0%, rgba(16, 185, 129, 0.1) 100%);
}

.track-card.diplomatia .track-icon {
  background: linear-gradient(135deg, rgba(5, 10, 48, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.track-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 12px;
}

.track-description {
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 28px;
}

.track-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.track-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.track-feature-icon {
  width: 24px;
  height: 24px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ==========================================
   CTA SECTION
========================================== */
.cta {
  padding: 120px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary) 100%);
  background-size: 200% 200%;
  animation: gradientMove 10s ease infinite;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3z' fill='%23ffffff' fill-opacity='0.02' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -1px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.cta-description {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ==========================================
   FOOTER
========================================== */
.footer {
  padding: 80px 0 40px;
  background: var(--gray-900);
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 60px;
  margin-bottom: 60px;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

/* Footer Logo - Same inverted style */
.footer-logo-icon {
  width: 44px;
  height: 44px;
  background: var(--primary);
  border: 2px solid var(--secondary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 14px;
  color: var(--white);
}

.footer-logo-icon .dot {
  color: var(--secondary);
  margin: 0 1px;
}

.footer-logo-text {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
}

.footer-description {
  font-size: 0.95rem;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social-link {
  width: 42px;
  height: 42px;
  background: var(--gray-800);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-base);
}

.footer-social-link:hover {
  background: var(--secondary);
  color: var(--primary);
  transform: translateY(-3px);
}

.footer-column h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-link {
  font-size: 0.95rem;
  color: var(--gray-400);
  transition: all var(--transition-base);
}

.footer-link:hover {
  color: var(--white);
  padding-left: 8px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 40px;
  border-top: 1px solid var(--gray-800);
}

.footer-copyright {
  font-size: 0.9rem;
  color: var(--gray-500);
}

.footer-legal {
  display: flex;
  gap: 32px;
}

.footer-legal a {
  font-size: 0.9rem;
  color: var(--gray-500);
  transition: color var(--transition-base);
}

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

/* ==========================================
   SCROLL ANIMATIONS
========================================== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   RESPONSIVE
========================================== */
@media (max-width: 1200px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 60px;
  }

  .hero-text {
    max-width: 700px;
    margin: 0 auto;
  }

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

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

  .hero-visual {
    display: none;
  }

  .courses-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

@media (max-width: 992px) {
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

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

  .nav-menu .nav-link {
    font-size: 1.5rem;
  }

  .nav-toggle {
    display: flex;
  }

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

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

  .journey-timeline {
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
  }

  .journey-timeline::before {
    display: none;
  }

  .courses-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 80px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

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

  .btn-lg {
    width: 100%;
    max-width: 320px;
  }

  .journey-gate-number {
    width: 60px;
    height: 60px;
    font-size: 1.2rem;
  }

  .journey-gate-title {
    font-size: 0.8rem;
  }
}