@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* HSL Color System - Crisp White Theme */
  --bg-base: hsl(0, 0%, 100%); /* Pure white background */
  --bg-card: hsl(0, 0%, 100%); /* Clean white cards */
  --bg-card-hover: hsl(0, 0%, 98%);
  --bg-accent: hsl(135, 15%, 97%); /* Very soft light sage for section shading */
  
  --text-primary: hsl(150, 15%, 10%); /* Deep charcoal */
  --text-secondary: hsl(150, 8%, 35%); /* Muted charcoal */
  --text-light: hsl(0, 0%, 100%);

  --color-terracotta: hsl(18, 65%, 52%);
  --color-terracotta-hover: hsl(18, 70%, 44%);
  --color-terracotta-light: hsl(18, 65%, 95%);
  --color-forest: hsl(135, 25%, 28%);
  --color-forest-hover: hsl(135, 30%, 22%);
  --color-forest-light: hsl(135, 20%, 94%);
  --color-sand: hsl(42, 45%, 62%);
  --color-sand-light: hsl(42, 50%, 93%);
  
  --border-color: hsl(0, 0%, 88%); /* Light gray borders */
  --border-color-focus: hsl(135, 25%, 28%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Radius & Shadows */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-circle: 50%;
  
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.03);
  --backdrop-blur: blur(8px);

  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.15s ease;
}

/* Reset & General Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

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

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

/* Typography Scale */
h1 { font-size: clamp(2.5rem, 4.5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.8rem); }
p { font-size: clamp(0.95rem, 1vw, 1.05rem); }

/* Layout Elements */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-lg) 0;
  position: relative;
}
@media (min-width: 768px) {
  .section {
    padding: var(--spacing-xl) 0;
  }
}


/* Permanent Header Signup Bar */
.header-signup-bar {
  background-color: hsl(135, 30%, 90%); /* Saturated, soft pastel green */
  border-bottom: 1px solid var(--border-color);
  padding: 8px 15px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
  z-index: 1001;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  color: var(--color-forest);
}

.header-signup-form {
  display: flex;
  gap: 6px;
  align-items: center;
}

.header-signup-input {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.8rem;
  width: 180px;
  font-family: var(--font-body);
}

.header-signup-input:focus {
  outline: none;
  border-color: var(--color-forest);
}

.header-signup-btn {
  background-color: var(--color-forest);
  color: var(--text-light);
  border: none;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.header-signup-btn:hover {
  background-color: var(--color-forest-hover);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 41px; /* Positions below the 41px signup bar */
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: #ffffff;
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-forest);
}

.logo-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-terracotta);
  border-radius: var(--radius-circle);
  display: inline-block;
}

.nav-links {
  display: none;
  gap: 25px;
  align-items: center;
}

@media (min-width: 992px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  position: relative;
  padding: 5px 0;
  color: var(--text-primary);
  opacity: 0.85;
}

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

.nav-link:hover {
  opacity: 1;
  color: var(--color-forest);
}

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

.nav-link.active {
  color: var(--color-forest);
  opacity: 1;
}

.btn-nav-cta {
  background-color: var(--color-forest);
  color: var(--text-light);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: var(--shadow-soft);
}

.btn-nav-cta:hover {
  background-color: var(--color-forest-hover);
  transform: translateY(-1px);
  color: var(--text-light);
}

/* Mobile Nav Menu */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

@media (min-width: 992px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.mobile-menu-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-card);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 25px;
  transform: translateY(-100%);
  transition: var(--transition-smooth);
}

.mobile-nav.open {
  transform: translateY(0);
}

.mobile-nav .nav-link {
  font-size: 1.4rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
  gap: 8px;
}

.btn-primary {
  background-color: var(--color-forest);
  color: var(--text-light);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  background-color: var(--color-forest-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-terracotta {
  background-color: var(--color-terracotta);
  color: var(--text-light);
}
.btn-terracotta:hover {
  background-color: var(--color-terracotta-hover);
  transform: translateY(-2px);
}

/* Hero Section with Parallax */
.hero-parallax {
  height: 80vh;
  min-height: 500px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  margin-top: 111px; /* Navbar 70px + Signup Bar 41px */
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%;
  background-size: cover;
  background-position: center;
  will-change: transform;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.2) 0%,
    rgba(255, 255, 255, 0.7) 65%,
    var(--bg-base) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: var(--text-primary);
  max-width: 700px;
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-content h1 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 1px 3px rgba(255, 255, 255, 0.8);
}

.hero-content p {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  opacity: 0.95;
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.hero-tag {
  background-color: var(--color-terracotta);
  color: var(--text-light);
  padding: 4px 14px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
  margin-bottom: var(--spacing-sm);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* News Banner style */
.news-banner {
  background-color: var(--color-forest-light);
  border: 1px solid var(--border-color);
  padding: 12px var(--spacing-sm);
  border-radius: var(--radius-sm);
  margin: var(--spacing-sm) 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 500;
}

.news-badge {
  background-color: var(--color-forest);
  color: var(--text-light);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}
@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Cards styling */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-forest);
}

.card-img-container {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
  aspect-ratio: 16/10;
  border: 1px solid var(--border-color);
}

.card-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-tag {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: var(--color-forest);
  color: var(--text-light);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.card-title {
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  font-size: 0.85rem;
}

.card-price {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-forest);
}

/* Accordions */
.accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-card);
  margin-bottom: 12px;
  transition: var(--transition-smooth);
}

.accordion-header {
  padding: 16px 20px;
  background-color: transparent;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--bg-accent);
}

.accordion-title-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.accordion-num {
  width: 28px;
  height: 28px;
  background-color: var(--color-forest);
  color: var(--text-light);
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}

.accordion-title {
  font-size: 1.05rem;
  font-weight: 600;
}

.accordion-icon::before {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.accordion-content-inner {
  padding: 0 20px 20px 60px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.accordion.active {
  border-color: var(--color-forest);
}

.accordion.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion.active .accordion-content {
  max-height: 800px;
}

.curriculum-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
@media (min-width: 768px) {
  .curriculum-list {
    grid-template-columns: 1fr 1fr;
  }
}

.curriculum-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

.curriculum-item-dot {
  width: 5px;
  height: 5px;
  background-color: var(--color-terracotta);
  border-radius: var(--radius-circle);
}

/* Filter Tab system */
.plans-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.85rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--bg-accent);
}

.filter-btn.active {
  background-color: var(--color-forest);
  color: var(--text-light);
  border-color: var(--color-forest);
}

.plans-search-container {
  max-width: 450px;
  margin: 0 auto var(--spacing-md) auto;
  position: relative;
}

.plans-search-input {
  width: 100%;
  padding: 12px 18px 12px 45px;
  border-radius: 100px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.plans-search-input:focus {
  outline: none;
  border-color: var(--color-forest);
}

.plans-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-forest);
}

textarea.form-control {
  min-height: 100px;
}

/* Footer */
.footer {
  background-color: hsl(150, 15%, 98%);
  color: var(--text-primary);
  padding: var(--spacing-lg) 0 var(--spacing-md) 0;
  border-top: 1px solid var(--border-color);
}

.footer h3, .footer h4 {
  color: var(--text-primary);
  margin-bottom: 15px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 2fr;
  }
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 15px;
  max-width: 300px;
}

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

.social-icon {
  width: 32px;
  height: 32px;
  background-color: var(--bg-accent);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.social-icon:hover {
  background-color: var(--color-forest);
  color: var(--text-light);
  transform: translateY(-2px);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link {
  font-size: 0.9rem;
  opacity: 0.85;
}

.footer-link:hover {
  color: var(--color-forest);
  padding-left: 2px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  font-size: 0.8rem;
  opacity: 0.8;
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Badges */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
}
.badge-terracotta { background-color: var(--color-terracotta-light); color: var(--color-terracotta); }
.badge-forest { background-color: var(--color-forest-light); color: var(--color-forest); }

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

.fade-in {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.fade-in.appear {
  opacity: 1;
  transform: translateY(0);
}

.plans-grid-stat {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.plan-stat {
  background-color: var(--color-sand-light);
  color: hsl(42, 40%, 30%);
  padding: 2px 6px;
  border-radius: 3px;
}

/* Spotlight Card for 1:1 Online Course Image */
.spotlight-card {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 768px) {
  .spotlight-card {
    grid-template-columns: 1fr 1.5fr;
  }
}

.spotlight-img {
  aspect-ratio: 1/1;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}
@media (min-width: 768px) {
  .spotlight-img {
    border-bottom: none;
    border-right: 1px solid var(--border-color);
  }
}

/* Blog Content Styles */
.blog-post-content p {
  margin-bottom: 1.5rem;
}
.blog-post-content h2, .blog-post-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.blog-post-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
  border: 1px solid var(--border-color);
}
.blog-post-content blockquote {
  border-left: 4px solid var(--color-forest);
  padding-left: 20px;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-primary);
}
.blog-post-content iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
}
.blog-post-content ul, .blog-post-content ol {
  margin-left: 20px;
  margin-bottom: 1.5rem;
}
.blog-post-content li {
  margin-bottom: 0.5rem;
}