@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;900&display=swap');

:root {
  /* Colors */
  --color-primary: #9fe870;
  --color-primary-active: #cdffad;
  --color-primary-neutral: #c5edab;
  --color-primary-pale: #e2f6d5;
  --color-ink: #0e0f0c;
  --color-ink-deep: #163300;
  --color-body: #454745;
  --color-mute: #868685;
  --color-canvas: #ffffff;
  --color-canvas-soft: #e8ebe6;
  --color-positive: #2ead4b;
  --color-positive-deep: #054d28;
  
  /* Typography */
  --font-inter: 'Inter', system-ui, sans-serif;
  
  /* Radii */
  --rounded-sm: 8px;
  --rounded-md: 12px;
  --rounded-lg: 16px;
  --rounded-xl: 24px;
  --rounded-pill: 9999px;
  
  /* Spacing */
  --spacing-xxs: 2px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;
}

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

body {
  font-family: var(--font-inter);
  background-color: var(--color-canvas-soft);
  color: var(--color-body);
  line-height: 1.5;
  font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-ink);
  font-weight: 900; /* As per Wise-inspired display ceiling */
}

a {
  text-decoration: none;
  color: inherit;
}

/* Typography Classes */
.display-mega {
  font-size: clamp(48px, 8vw, 126px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
}

.display-xl {
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 900;
  line-height: 1.1;
}

.display-sm {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.96px;
}

.body-lg {
  font-size: 20px;
  line-height: 1.5;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* Navbar */
.nav-bar {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  padding: var(--spacing-md) var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

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

.nav-bar .logo {
  height: 40px;
  width: auto;
  border-radius: var(--rounded-md);
}

.nav-bar .brand-name {
  font-weight: 900;
  font-size: 24px;
}

/* Hero Section */
.hero-band {
  background-color: var(--color-canvas-soft);
  color: var(--color-ink);
  padding: calc(var(--spacing-3xl) * 2) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-band::before,
.hero-band::after {
  content: '';
  position: absolute;
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  max-height: 600px;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 0;
  opacity: 0.6;
  animation: floatBlobs 15s infinite ease-in-out alternate;
}

.hero-band::before {
  background: var(--color-primary-neutral);
  top: -150px;
  left: -150px;
}

.hero-band::after {
  background: #dbeafe; /* Soft blue to match the lamp */
  bottom: -150px;
  right: -150px;
  animation-duration: 18s;
  animation-direction: alternate-reverse;
}

.hero-band .container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2xl);
  max-width: 800px;
}

.hero-band p {
  color: var(--color-body);
}

@keyframes floatBlobs {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -50px) scale(1.1); }
  66% { transform: translate(-30px, 30px) scale(0.95); }
  100% { transform: translate(0, 0) scale(1); }
}

/* Content Band & Cards */
.content-band {
  background-color: var(--color-canvas);
  padding: calc(var(--spacing-3xl) * 1.5) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.course-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

@media (min-width: 768px) {
  .course-grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.card-content {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  border-radius: var(--rounded-xl);
  padding: var(--spacing-xl);
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

/* Feature Sage Card */
.card-feature-sage {
  background-color: var(--color-canvas-soft);
  color: var(--color-ink);
  border-radius: var(--rounded-xl);
  padding: var(--spacing-xl);
}

.course-image-container {
  border-radius: var(--rounded-xl);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  position: relative;
}

.course-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.course-image-container:hover .course-image {
  transform: scale(1.03);
}

.badge-primary {
  background-color: var(--color-primary-pale);
  color: var(--color-positive-deep);
  font-weight: 600;
  font-size: 14px;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--rounded-pill);
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

/* Buttons */
.button-primary {
  background-color: var(--color-primary);
  color: var(--color-ink);
  font-weight: 600;
  font-size: 16px;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--rounded-xl);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.button-primary:hover {
  background-color: var(--color-primary-active);
  transform: translateY(-2px);
}

.button-primary:active {
  transform: translateY(0);
}

.button-dark {
  background-color: var(--color-ink);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 16px;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--rounded-xl);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all 0.2s ease;
  cursor: pointer;
}

.button-dark:hover {
  background-color: #20231f;
  transform: translateY(-2px);
}

/* Lists */
.feature-list {
  list-style: none;
  margin: var(--spacing-lg) 0;
  padding: 0;
}

.feature-list li {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  color: var(--color-body);
}

.feature-list li::before {
  content: '✓';
  color: var(--color-positive);
  font-weight: bold;
}

/* Footer */
.footer {
  background-color: var(--color-ink);
  color: var(--color-canvas-soft);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
}

.contact-links {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: center;
}

/* Utilities */
.rtl-container {
  direction: rtl;
  text-align: right;
  font-family: system-ui, -apple-system, sans-serif;
}

.ltr-container {
  direction: ltr;
  text-align: left;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

/* Responsive Adjustments for Mobile */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .nav-bar {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .hero-band {
    padding: var(--spacing-3xl) 0;
  }

  .hero-band::before,
  .hero-band::after {
    width: 80vw;
    height: 80vw;
  }
  
  .content-band {
    padding: var(--spacing-3xl) 0;
  }
}

@media (max-width: 480px) {
  .display-mega {
    font-size: 40px;
  }

  .display-xl {
    font-size: 32px;
  }
  
  .display-sm {
    font-size: 24px;
  }

  .body-lg {
    font-size: 18px;
  }

  .button-primary,
  .button-dark {
    width: 100%;
    justify-content: center;
  }
  
  .nav-bar .button-primary {
    width: auto;
    font-size: 14px;
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .nav-bar .brand-name {
    font-size: 20px;
  }
  
  .contact-links {
    flex-direction: column;
    width: 100%;
  }
}