/* ============================================
   Cosmic Essence Education - Main Stylesheet
   Pure CSS - No Frameworks
   ============================================ */

/* CSS Variables */
:root {
  /* Colors */
  --ce-orange: #F26522;
  --ce-black: #111111;
  --ce-off-white: #F9F6F1;
  --ce-white: #FFFFFF;
  --ce-dark-gray: #333333;
  --ce-mid-gray: #666666;
  --ce-light-gray: #E8E4DF;
  --ce-orange-10: rgba(242, 101, 34, 0.10);

  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

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

  /* Container */
  --container-max: 1100px;
  --container-padding: 24px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Lato', sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--ce-dark-gray);
  background-color: var(--ce-white);
}

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

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

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ce-black);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-base); }

p {
  max-width: 65ch;
  margin-bottom: var(--space-4);
}

.label {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ce-orange);
}

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

.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

/* Background Colors */
.bg-white { background-color: var(--ce-white); }
.bg-off-white { background-color: var(--ce-off-white); }
.bg-dark { background-color: var(--ce-black); }
.bg-orange { background-color: var(--ce-orange); }
.bg-orange-10 { background-color: var(--ce-orange-10); }

/* Text Colors */
.text-white { color: var(--ce-white); }
.text-black { color: var(--ce-black); }
.text-orange { color: var(--ce-orange); }
.text-dark-gray { color: var(--ce-dark-gray); }
.text-mid-gray { color: var(--ce-mid-gray); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.btn-primary:hover {
  background-color: #d85a1f;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--ce-orange);
  border: 2px solid var(--ce-orange);
}

.btn-secondary:hover {
  background-color: var(--ce-orange);
  color: var(--ce-white);
}

.btn-ghost {
  background-color: transparent;
  color: var(--ce-orange);
  text-decoration: underline;
  padding: var(--space-2) 0;
}

.btn-ghost:hover {
  color: #d85a1f;
}

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

.btn-white:hover {
  background-color: var(--ce-off-white);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-8);
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Flex */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

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

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--ce-white);
  border-bottom: 1px solid var(--ce-light-gray);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--ce-black);
}

.nav-links {
  display: flex;
  gap: var(--space-8);
}

.nav-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-sm);
  color: var(--ce-dark-gray);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--ce-orange);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--ce-orange);
}

.nav-cta {
  display: none;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--ce-black);
  margin: 5px 0;
  transition: var(--transition-base);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  height: calc(100vh - 72px);
  background-color: var(--ce-white);
  padding: var(--space-8);
  flex-direction: column;
  gap: var(--space-6);
}

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

.mobile-menu .nav-link {
  font-size: var(--text-xl);
}

/* Footer */
.footer {
  background-color: var(--ce-black);
  color: var(--ce-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.footer-tagline {
  color: var(--ce-mid-gray);
  font-size: var(--text-sm);
}

.footer-heading {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--ce-white);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  color: var(--ce-mid-gray);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--ce-dark-gray);
  padding-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--ce-mid-gray);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-contact {
  font-size: var(--text-sm);
  color: var(--ce-mid-gray);
}

/* Cards */
.card {
  background-color: var(--ce-white);
  border-radius: 4px;
  padding: var(--space-6);
  transition: transform var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

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

@media (max-width: 768px) {
  :root {
    --text-5xl: 2.25rem;
    --text-4xl: 1.875rem;
    --text-3xl: 1.5rem;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

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

/* Utility Classes */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

/* Program Tags */
.tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 2px;
}

.tag-students {
  background-color: var(--ce-orange-10);
  color: var(--ce-orange);
}

.tag-adults {
  background-color: var(--ce-light-gray);
  color: var(--ce-dark-gray);
}

.tag-both {
  background-color: var(--ce-black);
  color: var(--ce-white);
}

.tag-coming-soon {
  background-color: var(--ce-mid-gray);
  color: var(--ce-white);
}

/* Stats */
.stat-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--ce-orange);
  display: block;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--ce-mid-gray);
}

/* Testimonial */
.testimonial-card {
  background-color: var(--ce-white);
  padding: var(--space-8);
  border-left: 3px solid var(--ce-orange);
}

.testimonial-quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--ce-dark-gray);
  margin-bottom: var(--space-6);
}

.testimonial-author {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  color: var(--ce-black);
}

/* Coming Soon Banner */
.coming-soon {
  background-color: var(--ce-light-gray);
  padding: var(--space-4) var(--space-6);
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-sm);
}

/* Pull Quote */
.pull-quote {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-2xl);
  color: var(--ce-orange);
  line-height: 1.4;
}

/* Youtube Embed */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Form Container */
.form-container {
  max-width: 600px;
  margin: 0 auto;
}

/* Two Column Layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (max-width: 768px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

/* Page Header */
.page-header {
  background-color: var(--ce-black);
  color: var(--ce-white);
  padding: var(--space-20) 0 var(--space-12);
}

.page-header h1 {
  color: var(--ce-white);
}

/* Program Page Hero */
.program-hero {
  background-color: var(--ce-off-white);
  padding: var(--space-16) 0;
}

.program-hero-content {
  max-width: 800px;
}

/* Curriculum Week */
.week-item {
  border-left: 3px solid var(--ce-orange);
  padding-left: var(--space-6);
  margin-bottom: var(--space-6);
}

.week-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-sm);
  color: var(--ce-orange);
  font-weight: 600;
}

.week-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-lg);
  color: var(--ce-black);
  margin: var(--space-2) 0;
}

.week-topics {
  color: var(--ce-mid-gray);
  font-size: var(--text-sm);
}

/* Tab Component */
.tab-container {
  margin-bottom: var(--space-12);
}

.tab-buttons {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  border-bottom: 2px solid var(--ce-light-gray);
}

.tab-btn {
  background: none;
  border: none;
  padding: var(--space-3) var(--space-6);
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-sm);
  cursor: pointer;
  color: var(--ce-mid-gray);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
}

.tab-btn.active {
  color: var(--ce-orange);
  border-bottom-color: var(--ce-orange);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Pricing Cards */
.pricing-card {
  background-color: var(--ce-white);
  padding: var(--space-8);
  border: 1px solid var(--ce-light-gray);
  text-align: center;
}

.pricing-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

.pricing-price {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-3xl);
  color: var(--ce-orange);
  margin-bottom: var(--space-6);
}

/* 404 Page */
.error-hero {
  background-color: var(--ce-black);
  color: var(--ce-white);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-hero h1 {
  color: var(--ce-white);
  font-size: var(--text-6xl);
  margin-bottom: var(--space-6);
}

.error-links {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
  margin-top: var(--space-8);
}

/* Accordion */
.accordion-item {
  border-bottom: 1px solid var(--ce-light-gray);
}

.accordion-header {
  padding: var(--space-4) 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion-content.open {
  max-height: 500px;
  padding-bottom: var(--space-4);
}

/* Instagram Feed Placeholder */
.instagram-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
}

.instagram-item {
  aspect-ratio: 1;
  background-color: var(--ce-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ce-mid-gray);
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .instagram-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Lazy Loading */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity var(--transition-base);
}

img[loading="lazy"].loaded {
  opacity: 1;
}