:root {
  --primary: #1E1E2F;
  --accent: #E04A4A;
  --text: #FFFFFF;
  --secondary: #2C2C3E;

  --primary-bg: #fefefe;
  --secondary-bg: #ffffff;
  --tertiary-bg: #f8f9fa;
  --card-bg: rgba(255, 255, 255, 0.95);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --accent-primary: #ef4444;
  --accent-secondary: #dc2626;
  --accent-tertiary: #b91c1c;
  --accent-coral: #f97316;
  --accent-pink: #ec4899;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --border-primary: rgba(239, 68, 68, 0.15);
  --border-secondary: rgba(0, 0, 0, 0.06);
  

  --gradient-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-coral));
  --gradient-secondary: linear-gradient(135deg, var(--accent-secondary), var(--accent-pink));
  --gradient-bg: linear-gradient(135deg, var(--primary-bg), var(--secondary-bg));
  --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 1), rgba(248, 249, 250, 1));
  
 
  --shadow-primary: 0 8px 32px rgba(239, 68, 68, 0.08);
  --shadow-secondary: 0 8px 32px rgba(220, 38, 38, 0.08);
  --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(239, 68, 68, 0.15);
  
 
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

:root {
  --primary: #F9F9FA;
  --accent: #f53333;
  --text: #1E1E2F;
  --secondary: #2C2C3E;
  --primary-red: #eb1717c5;
}


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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #EFF2F7;
  color: #1E1E2F;
  line-height: 1.6;
  min-height: 100vh;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--text);
  color: var(--primary);
  border-bottom: 1px solid var(--primary);
  z-index: 1000;
  padding: 0 5rem;
  display: flex;
  justify-content: space-between;
  box-sizing: border-box;
  align-items: center;
  height: 100px;   
}

.landing-page-container-codemate-logo a {
  display: flex;
  align-items: center;
  flex: 1;
  text-decoration: none;
  color: inherit;
  pointer-events: auto;
}

.landing-page-container-codemate-logo a img,
.landing-page-container-codemate-logo a h2 {
  pointer-events: auto; 
}

.landing-page-container-codemate-logo,
.navbar,
.buttons {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center; 
}

.logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.6rem;
  font-weight: 600;
  color: #FFFFFF;
  text-shadow: 0 0 20px rgba(248, 248, 248, 0.363);
  letter-spacing: -0.5px;
}

.landing-page-codemate-logo {
  height: 100px;
  width: auto;
  object-fit: contain;
  margin-left: 6.5em;
  position: relative;
  bottom: 0.8rem;
  margin-right: -1rem;
}



.landing-page-container-codemate-logo h2 {
  font-size: 1.6rem;
  margin: 0;
  position: static;
  white-space: nowrap;
}

.navbar {
  gap: 25px;
  flex-wrap: wrap;
}

.nav-link {
  text-decoration: none;
  color: inherit;
}

.nav-link:hover, .header .login-button:hover {
  color: var(--accent);
}

.header-profile {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.header-profile-pic {
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: block;
  border: 2px solid #fff;
  transition: var(--transition-smooth);
  cursor: pointer;
}


.dropdown {
  position: absolute;
  top: 80px;
  right: 5rem;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 6px 12px rgba(0,0,0,0.1);
  width: 220px;
  display: none;
  z-index: 999;
  padding: 0.8rem 0.5rem;
}

.dropdown.show {
  display: block;
}




.dropdown a {
  display: flex;
  align-items: center;
  padding: 0.8rem 1rem;
  text-decoration: none;
  color: #333;
  transition: background 0.2s;
  cursor: pointer;
}

.dropdown a:hover {
  background: #f0f0f0;
}

.dropdown a i {
  margin-right: 10px;
  color: #666;
}

hr {
  margin: 0.5rem 0.7rem;
}


.topnav { 
  display: none;
  cursor: pointer;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10rem 1.5rem 3rem;
}

.course-hero {
  margin-bottom: 3rem;
  padding: 2.5rem;
  background: linear-gradient(135deg, #F9F9FA 0%, #ffffff 100%);
  border-radius: 20px;
  border: 1px solid rgba(235, 23, 23, 0.2);
  position: relative;
  overflow: hidden;
}

.course-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(235, 23, 23, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(30%, -30%);
}

svg {
  height: 1.25rem;
  width: 1.25rem;
  vertical-align: middle;
  z-index: 999;
}


.beginner-level {
  display: inline-flex;
  align-items: center; 
  gap: 8px;
  font-weight: 700;
  margin-top: auto;
  margin-bottom: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  width: fit-content;
  background: rgba(34, 197, 94, 0.1);
  color: #166534;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.advanced-level {
  display: inline-flex;
  align-items: center; 
  gap: 8px;
  font-weight: 700;
  margin-top: auto;
  margin-bottom: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  width: fit-content;
  background: rgba(239, 68, 68, 0.1); 
  color: var(--accent-tertiary); 
  border: 1px solid var(--border-primary);
}

h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: #1E1E2F;
}

.course-description {
  font-size: 1.1rem;
  color: #2C2C3E;
  margin-bottom: 2rem;
  max-width: 800px;
  line-height: 1.7;
}

.course-meta {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #666;
  font-size: 0.95rem;
}

.meta-icon {
  font-size: 1.2rem;
  color: #eb1717;
}

.progress-card {
  background: #eb1717c5;
  padding: 2rem;
  border-radius: 16px;
  margin-bottom: 3rem;

}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.progress-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
}

.progress-percentage {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
}

.progress-bar-bg {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 0.8rem;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #ffffff 0%, #e6f7ff 100%);
  border-radius: 20px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 20px rgba(245, 51, 51, 0.5);
}

.progress-stats {
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.module {
  margin-bottom: 2rem;
}

.module-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 1rem 0;
}

.module-number {
  width: 50px;
  height: 50px;
  background: #eb1717c5;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;

}

.module-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: #1E1E2F;
}

.lessons-grid {
  display: grid;
  gap: 1rem;
}

.lesson-card {
  background: #ffffff;
  border: 1px solid rgba(235, 23, 23, 0.15);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.lesson-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: #eb1717c5;
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.lesson-card:hover {
  background: #faf7f7;
  border-color: rgba(235, 23, 23, 0.3);
  transform: translateX(8px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.lesson-card:hover::before {
  transform: scaleY(1);
}

.lesson-card.locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.lesson-card.locked:hover {
  transform: none;
  background: #ffffff;
}

.status-badge.cert-unlocked {
  background: rgba(34, 197, 94, 0.15);
  color: #15803d;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.lesson-icon-wrapper {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(235, 23, 23, 0.1) 0%, rgba(217, 17, 17, 0.1) 100%);
  border: 1px solid rgba(235, 23, 23, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.lesson-icon {
  font-size: 1.6rem;
}

.lesson-icon.play { color: #eb1717; }
.lesson-icon.search { color: #06b6d4; }
.lesson-icon.quiz { color: #f59e0b; }
.lesson-icon.code { color: #10b981; }
.lesson-icon.settings { color: #ec4899; }
.lesson-icon.link { color: #3b82f6; }
.lesson-icon.pen { color: #8b5cf6; }
.lesson-icon.chart { color: #14b8a6; }
.lesson-icon.warning { color: #ef4444; }
.lesson-icon.trophy { color: #fbbf24; }

.lesson-content {
  flex: 1;
}

.lesson-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: #1E1E2F;
  margin-bottom: 0.4rem;
}

.lesson-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: #666;
}

.lesson-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lesson-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-badge {
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.status-badge.quiz {
  background: rgba(235, 23, 23, 0.15);
  color: #eb1717;
  border: 1px solid rgba(235, 23, 23, 0.3);
}

.status-badge.locked {
  background: rgba(148, 163, 184, 0.1);
  color: #64748b;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.status-badge.test {
  background: rgba(245, 51, 51, 0.15);
  color: #f53333;
  border: 1px solid rgba(245, 51, 51, 0.3);
}

.lock-icon {
  font-size: 1.2rem;
  color: #64748b;
}

.unlock-icon {
  font-size: 1.2rem;
  color: #10b981;
}

@media (max-width: 768px) {
  .container {
    padding: 2rem 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  .course-description {
    font-size: 1rem;
  }

  .course-meta {
    gap: 1.5rem;
  }

  .module-title {
    font-size: 1.3rem;
  }

  .lesson-card {
    padding: 1.2rem;
    gap: 1rem;
  }

  .lesson-icon-wrapper {
    width: 50px;
    height: 50px;
  }

  .lesson-icon {
    font-size: 1.3rem;
  }

  .lesson-title {
    font-size: 1rem;
  }

  .lesson-meta {
    flex-direction: column;
    gap: 0.3rem;
  }
}

/* ===== RESPONSIVE FIXES ===== */

@media (max-width: 1024px) {
  .header {
    padding: 0 2rem;
  }

  .dropdown {
    right: 2rem;
  }
}

@media (max-width: 768px) {
  .header {
    padding: 0 1.2rem;
    height: 70px;
  }

  .navbar {
    display: none;
  }

  .header-profile {
    display: none;
  }

  .topnav {
    display: flex;
    align-items: center;
  }

  #myLinks {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: #1E1E2F;
    padding: 1rem 1.5rem 1.5rem;
    z-index: 999;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    gap: 0;
  }

  #myLinks.open {
    display: flex;
  }

  #myLinks a {
    color: #fff;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    text-decoration: none;
  }

  #myLinks a h4 {
    margin: 0;
    font-weight: 500;
  }

  .menu-icon {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
  }

  .bar1, .bar2, .bar3 {
    width: 25px;
    height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: 0.3s;
  }

  .container {
    padding: 6rem 1rem 2rem;
  }

  .course-hero {
    padding: 1.5rem;
  }

  h1 {
    font-size: 1.8rem;
  }

  .course-description {
    font-size: 0.95rem;
  }

  .course-meta {
    gap: 1rem;
    flex-direction: column;
  }

  .progress-card {
    padding: 1.2rem;
  }

  .progress-percentage {
    font-size: 1.4rem;
  }

  .module-header {
    gap: 0.8rem;
  }

  .module-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    border-radius: 10px;
  }

  .module-title {
    font-size: 1.2rem;
  }

  .lesson-card {
    padding: 1rem;
    gap: 0.8rem;
  }

  .lesson-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    flex-shrink: 0;
  }

  .lesson-title {
    font-size: 0.95rem;
  }

  .lesson-meta {
    flex-direction: row;
    gap: 0.8rem;
    flex-wrap: wrap;
  }

  .status-badge {
    font-size: 0.75rem;
    padding: 0.3rem 0.7rem;
  }
}

@media (max-width: 400px) {
  .lesson-card {
    flex-wrap: wrap;
  }

  .lesson-status {
    width: 100%;
    justify-content: flex-end;
  }
}

/* ===== UNIVERSAL HAMBURGER ===== */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  padding: 5px;
  align-items: center;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background: #fff;
  border-radius: 3px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 8px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -8px); }

.mobile-nav-menu {
  display: none;
  position: absolute;
  top: 100px;
  left: 0;
  width: 100%;
  background: #1E1E2F;
  z-index: 999;
  flex-direction: column;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-nav-menu.show { display: flex; }

.mobile-nav-menu a {
  padding: 1rem 2rem;
  color: white;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: background 0.2s;
}

.mobile-nav-menu a:hover { background: rgba(255,255,255,0.05); }

@media (max-width: 768px) {
  .navbar { display: none; }
  .hamburger { display: flex; }
  .header { height: 70px; padding: 0 1.2rem; }
  .mobile-nav-menu { top: 70px; }
  .container { padding-top: 6rem; }
}

@media (max-width: 768px) {
  .header-profile {
    display: flex !important;
    background: none;
    justify-content: flex-end;
    align-items: center;
  }
}