/* ========================================
   CODEFORGE WEB ACADEMY – FINAL PIXEL-PERFECT CSS
   ======================================== */

/* ---------- THEME VARIABLES ---------- */
:root {
  --primary: #0891b2;
  --primary-light: #06b6d4;
  --accent: #22d3ee;
  --accent-glow: rgba(34, 211, 238, 0.5);

  --text: #0f172a;
  --text-light: #475569;
  --text-muted: #64748b;

  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.25);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);

  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-md: 12px;
  --radius-lg: 16px;

  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
}

/* ---------- RESET & BASE ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe, #f8fafc);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ---------- CONTAINER ---------- */
.container {
  width: min(90%, 1200px);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Flex & Grid Helpers */
.d-flex { display: flex; }
.flex-col { flex-direction: column; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.text-center { text-align: center; }
.mt { margin-top: var(--spacing-md); }
.mb { margin-bottom: var(--spacing-md); }

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}
h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

p, li, label {
  font-size: 1rem;
  color: var(--text-light);
}
p { margin-bottom: var(--spacing-sm); }

.muted { color: var(--text-muted); font-size: 0.9rem; }
.accent { color: var(--accent); }

/* ---------- GLASS CARD ---------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 1rem 0;
  z-index: 1000;
  transition: padding 0.3s ease, box-shadow 0.3s ease;
}
.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.logo-placeholder { font-size: 1.8rem; color: var(--primary); }
.brand-name { font-size: 1.3rem; }
.brand-sub { color: var(--text-light); font-weight: 400; }

.nav-list {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  align-items: center;
}
.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 0.25rem 0;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }
.nav-link:hover,
.nav-link.active { color: var(--primary); }

.nav-cta { display: flex; gap: var(--spacing-sm); align-items: center; }
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}
.burger span {
  width: 25px; height: 2px;
  background: var(--text);
  transition: 0.3s;
}

/* Mobile Menu */
.mobile-menu {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-lg) 0;
  display: none;
  text-align: center;
}
.mobile-menu[open] { display: block; }
.mobile-menu ul { list-style: none; }
.mobile-menu a {
  display: block;
  padding: 0.75rem 0;
  color: var(--text);
  text-decoration: none;
}
.mobile-menu .btn {
  margin: 1rem auto;
  max-width: 200px;
}

/* ---------- HERO SECTION ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}
.hero-title { margin-bottom: var(--spacing-md); }
.hero-sub { margin: var(--spacing-md) 0 var(--spacing-lg); max-width: 600px; }
.hero-ctas {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}
.trust-stats {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
  list-style: none;
  justify-content: flex-start;
}
.trust-stats li {
  display: flex;
  flex-direction: column;
  min-width: 80px;
  text-align: center;
}
.trust-stats strong { font-size: 1.5rem; color: var(--primary); }
.trust-stats span {
  font-weight: 400;
  color: var(--text-light);
  font-size: 0.9rem;
}

/* Floating Card */
.floating-card {
  position: relative;
  z-index: 2;
}
.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}
.pill {
  background: var(--accent);
  color: white;
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-weight: 600;
}
.card-tag { font-size: 0.9rem; color: var(--text-light); }
.card-body { margin-top: var(--spacing-sm); }
.mini-list {
  list-style: none;
  margin: var(--spacing-sm) 0;
}
.mini-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}
.mini-list i { color: var(--primary); font-size: 1rem; }
.card-cta {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}
.card-cta .btn-sm { flex: 1; text-align: center; }

/* Decor Bars */
.decor-bars {
  display: flex;
  gap: 6px;
  margin-top: var(--spacing-lg);
  justify-content: flex-start;
}
.decor-bars span {
  width: 40px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 48px;
  width: 100%;
  max-width: 100%;
}
.btn-sm { padding: 0.6rem 1.2rem; font-size: 0.9rem; min-height: 40px; }
.btn.large { padding: 1.2rem 2.5rem; font-size: 1.1rem; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(8,145,178,0.4);
}
.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary);
  color: white;
}
.btn-glow {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: white;
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn-glow:hover {
  box-shadow: 0 0 30px rgba(34,211,238,0.7);
  transform: translateY(-2px);
}

/* ---------- CARDS & GRIDS ---------- */
.cards-grid,
.reviews-grid,
.upcoming-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  margin-top: 50px;
  margin-bottom: 50px;
}
.card {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
}
.card > * { flex-shrink: 0; }

/* ---------- FEATURE CARDS (WHY SECTION) ---------- */
.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
  justify-content: flex-start;
}
.feature-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}
.feature h3 {
  margin: var(--spacing-sm) 0;
  font-size: 1.35rem;
}
.feature p {
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}
.feature-list {
  list-style: none;
  width: 100%;
  margin-top: var(--spacing-sm);
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}
.feature-list i {
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
}

/* ---------- SECTIONS ---------- */
.section { padding: var(--spacing-3xl) 0; }
.section-title { margin-bottom: var(--spacing-md); text-align: center; }
.section-lead { margin: 0 auto var(--spacing-2xl); max-width: 700px; text-align: center; }

/* Transform Section */
.transform-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}
.transform-quote { text-align: left; }
.transform-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.founder-placeholder {
  width: 120px; height: 120px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

/* CTA Bar */
.cta-bar {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: var(--spacing-xl) 0;
}
.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}
.cta-inner h3 { margin: 0; }
.cta-inner p { margin: 0.5rem 0 0; }

/* Course Detail */
.course-head {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--spacing-md);
}
.live-pill {
  align-self: flex-start;
  background: var(--accent);
  color: white;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-weight: 600;
}
.course-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}
.course-modules ol {
  margin-left: 1.2rem;
  padding-left: 0.5rem;
}
.course-modules li {
  margin-bottom: 0.75rem;
}
.course-side ul {
  list-style: none;
  margin: var(--spacing-md) 0;
}
.course-side li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.course-meta p {
  margin-bottom: 0.75rem;
}
.course-meta .btn {
  margin-top: 0.5rem;
  width: 100%;
}

/* Flow & Certificate */
.flow-list {
  list-style: decimal inside;
  margin: var(--spacing-md) 0;
}
.flow-list li {
  margin-bottom: 1rem;
  padding-left: 0.5rem;
}
.certificate-preview {
  text-align: center;
  margin-top: var(--spacing-lg);
}
.cert-placeholder {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
}
.cert-placeholder i { font-size: 3rem; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: stretch;
}
.about-text h4,
.about-founder h4 { margin-top: var(--spacing-lg); }
.timeline {
  list-style: none;
  margin: var(--spacing-md) 0;
}
.timeline li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

/* Reviews */
.review {
  position: relative;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}
.quote-icon {
  position: absolute;
  top: 0px; left: 20px;
  color: var(--accent);
  font-size: 2rem;
}
.review p { margin: 1rem 0; flex-grow: 1; }
.review cite {
  display: block;
  text-align: right;
  font-style: normal;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: auto;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-xl);
}
.contact-card {
  display: grid;
  gap: 1rem;
}
.contact-card label {
  font-weight: 600;
  display: block;
  margin-bottom: 0.25rem;
}
.contact-card input,
.contact-card textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.8);
  font-family: inherit;
  transition: border 0.3s ease;
}
.contact-card input:focus,
.contact-card textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(8,145,178,0.2);
}
.form-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}
.form-note { margin-top: var(--spacing-md); font-size: 0.9rem; }
.map-faux { margin: var(--spacing-lg) 0; }
.contact-cta { margin-top: var(--spacing-lg); text-align: center; }

/* Footer */
.footer {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-lg) 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}
.footer nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-right: 1rem;
}
.footer nav a:hover { color: var(--primary); }
.socials a {
  font-size: 1.4rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
}
.socials a:hover { color: var(--primary); }

/* ---------- ANIMATIONS ---------- */
[data-anim] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-anim].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .nav-list, .nav-cta .btn { display: none; }
  .burger { display: flex; }
  .hero-inner,
  .about-grid,
  .course-grid,
  .contact-grid,
  .transform-inner { grid-template-columns: 1fr; }
  .hero-ctas { justify-content: center; }
}

@media (max-width: 768px) {
  section { padding: var(--spacing-2xl) 0; }
  .hero { padding-top: 120px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .cta-inner { flex-direction: column; text-align: center; }
  .trust-stats { justify-content: center; }
  .card-cta { flex-direction: column; }
  .course-grid { grid-template-columns: 1fr; }
}

/* ---------- POPUP STYLES (NEW) ---------- */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}
.popup-overlay[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}
.popup-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  max-width: 400px;
  width: 90%;
  text-align: center;
  position: relative;
  transform: scale(0.9);
  transition: transform .3s ease;
}
.popup-overlay[aria-hidden="false"] .popup-card { 
  transform: scale(1); 
}

.popup-close {
  position: absolute;
  top: 0.5rem; right: 0.75rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}
.popup-close:hover { color: var(--text); }

.popup-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}
.popup-icon.success { color: #10b981; }
.popup-icon.error   { color: #ef4444; }

.popup-title {
  margin: var(--spacing-sm) 0;
  font-size: 1.35rem;
}
.popup-message {
  color: var(--text-light);
}

/* Particles Canvas - Full screen background */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}