/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-green: #4ade80;
  --dark-green: #16a34a;
  --light-green: #86efac;
  --gold: #fbbf24;
  --dark-gold: #f59e0b;
  --emerald: #10b981;
  --dark-bg: #0a2f1f;
  --darker-bg: #051810;
  --card-bg: #0f3a26;
  --white-bg: #ffffff;
  --light-bg: #f9fafb;
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --text-dark: #1f2937;
  --text-gray: #6b7280;
  --border-color: #1f4a33;
  --border-light: #e5e7eb;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--white-bg);
  color: var(--text-dark);
  line-height: 1.5;
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header Styles */
.header {
  background-color: rgba(255, 255, 255, 0.98);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid #f3f4f6;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: 20px;
  color: var(--dark-green);
}

.logo svg {
  color: var(--primary-green);
  margin-right: 8px;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav-link {
  color: #374151;
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.3s;
}

.nav-link:hover {
  color: var(--dark-green);
}

.btn-gold {
  background-color: var(--dark-green);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-gold:hover {
  background-color: var(--primary-green);
  transform: translateY(-1px);
}

/* Hamburger button */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  width: 24px;
  height: 3px;
  background-color: #374151;
  border-radius: 2px;
}

/* Wrapper */
.nav-wrapper {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Mobile styles */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-wrapper {
    position: absolute;
    top: 57px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    display: none;
  }

  .nav-wrapper.active {
    display: flex;
  }

  .nav {
    flex-direction: column;
    gap: 16px;
  }

  .btn-gold {
    width: 100%;
    text-align: center;
  }
}

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

.header-logo {
  display: inline-flex;
  align-items: center;
}


/* Hero Section - GREEN BACKGROUND */
.hero {
  background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
  padding: 70px 0 70px;
  text-align: center;
}

.hero-content {
  max-width: 1000px;
  margin: 0 auto;
  margin-top: 30px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(74, 222, 128, 0.15);
  color: var(--primary-green);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--primary-green);
  color: var(--darker-bg);
  border: none;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary:hover {
  background-color: var(--light-green);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(74, 222, 128, 0.25);
}

.btn-outline {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(74, 222, 128, 0.3);
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-outline:hover {
  border-color: var(--primary-green);
  background-color: rgba(74, 222, 128, 0.1);
  transform: translateY(-2px);
}

/* Courses Section - WHITE BACKGROUND */
.courses-section {
  padding: 80px 0;
  background-color: var(--white-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.text-primary {
  color: var(--primary-green);
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-gray);
  max-width: 500px;
  margin: 0 auto;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
}

/* Course Card - WHITE SECTION */
.course-card {
  background-color: var(--white-bg);
  border-radius: 12px;
  padding: 24px;
  border: 1px solid var(--border-light);
  transition: all 0.3s;
  opacity: 0;
  transform: translateY(20px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.course-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-green);
}

.card-border-gold {
  border-top: 3px solid var(--gold);
}

.card-border-emerald {
  border-top: 3px solid var(--emerald);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
  gap: 8px;
}

.badge-level {
  background-color: rgba(74, 222, 128, 0.1);
  color: var(--dark-green);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.badge-popular {
  display: flex;
  align-items: center;
  gap: 4px;
  background-color: rgba(251, 191, 36, 0.1);
  color: var(--dark-gold);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.badge-popular svg {
  width: 14px;
  height: 14px;
}

.card-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 2px;
  color: var(--text-dark);
}

.card-description {
  color: var(--text-gray);
  margin-bottom: 8px;
  line-height: 1.5;
  font-size: 14px;
}

.card-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-gray);
  font-size: 13px;
}

.stat svg {
  width: 14px;
  height: 14px;
  color: var(--primary-green);
}

.star-icon {
  fill: var(--gold);
  color: var(--gold);
}

.card-modules {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-gray);
  margin-bottom: 8px;
  font-size: 13px;
}

.card-modules svg {
  color: var(--primary-green);
}

.card-skills {
  margin-bottom: 8px;
}

.skills-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-gray);
  margin-bottom: 6px;
}

.skills-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag-skill {
  background-color: rgba(74, 222, 128, 0.1);
  color: var(--dark-green);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.card-includes {
  margin-bottom: 8px;
  padding-top: 4px;
  border-top: 1px solid var(--border-light);
}

.includes-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-gray);
  margin-bottom: 6px;
}

.includes-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.include-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-gray);
  font-size: 13px;
}

.check-icon {
  color: var(--primary-green);
  flex-shrink: 0;
  width: 12px;
  height: 12px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
}

.price-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.price {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-dark);
}

.original-price {
  font-size: 16px;
  color: var(--text-gray);
  text-decoration: line-through;
}

.btn-enroll {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--primary-green);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-enroll:hover {
  background-color: var(--dark-green);
  transform: translateX(2px);
}

.btn-enroll svg {
  width: 14px;
  height: 14px;
}

/* Pricing Section - GREEN BACKGROUND */
.pricing-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(74, 222, 128, 0.15);
  color: var(--primary-green);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}

.pricing-badge svg {
  width: 14px;
  height: 14px;
}

.pricing-section .section-title {
  color: var(--text-primary);
}

.pricing-section .section-subtitle {
  color: var(--text-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.pricing-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
  position: relative;
  transition: all 0.3s;
  opacity: 0;
  transform: translateY(20px);
}

.pricing-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
  border-color: var(--primary-green);
}

.pricing-card.popular {
  border-color: var(--gold);
  border-width: 2px;
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--gold);
  color: var(--darker-bg);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
}

.popular-badge svg {
  width: 14px;
  height: 14px;
}

.pricing-header {
  text-align: center;
  margin-bottom: 28px;
}

.plan-name {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.plan-price {
  margin-bottom: 12px;
}

.amount {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary-green);
}

.period {
  font-size: 16px;
  color: whitesmoke;
}

.plan-description {
  color: whitesmoke;
  font-size: 13px;
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  color: whitesmoke;
  font-size: 14px;
}

.plan-features .check-icon {
  color: var(--primary-green);
  flex-shrink: 0;
}

.btn-outline-plan {
  width: 100%;
  background-color: transparent;
  color: var(--primary-green);
  border: 1px solid var(--primary-green);
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 14px;
}

.btn-outline-plan:hover {
  background-color: var(--primary-green);
  color: var(--darker-bg);
}

.btn-primary-plan {
  width: 100%;
  background-color: var(--primary-green);
  color: var(--darker-bg);
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 14px;
}

.btn-primary-plan:hover {
  background-color: var(--light-green);
  transform: translateY(-2px);
}

/* Instructors Section - WHITE BACKGROUND */
.instructors-section {
  padding: 80px 0;
  background-color: var(--white-bg);
}

.instructors-section .section-title {
  color: var(--text-dark);
}

.instructors-section .section-subtitle {
  color: var(--text-gray);
}

.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.instructor-card {
  background-color: var(--white-bg);
  border: 2px solid #b9edbc;
  border-radius: 12px;
  padding: 24px;
  transition: all 0.3s;
  opacity: 0;
  transform: translateY(20px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.instructor-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.instructor-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-green);
}

.instructor-header {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.instructor-avatar {
  position: relative;
  flex-shrink: 0;
}

.avatar-placeholder {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
  color: white;
}

.instructor-badge {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 20px;
  height: 20px;
  background-color: var(--primary-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid white;
  font-size: 10px;
}

.instructor-info {
  flex: 1;
}

.instructor-name {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 4px;
  color: var(--text-dark);
}

.instructor-role {
  color: var(--primary-green);
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 14px;
}

.instructor-stats {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-gray);
}

.instructor-bio {
  color: var(--text-gray);
  line-height: 1.5;
  margin-bottom: 16px;
  font-size: 14px;
}

.instructor-skills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.instructor-skills .tag-skill {
  background-color: rgba(74, 222, 128, 0.1);
  color: var(--dark-green);
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.instructor-contact {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  padding: 12px;
  background-color: rgba(74, 222, 128, 0.05);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-gray);
  flex-wrap: wrap;
}

.instructor-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.social-links {
  display: flex;
  gap: 8px;
}

.social-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background-color: rgba(74, 222, 128, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-green);
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s;
  border: 1px solid rgba(74, 222, 128, 0.2);
  font-size: 14px;
}

.social-icon:hover {
  background-color: var(--primary-green);
  color: white;
  transform: translateY(-2px);
}

.btn-connect {
  background-color: var(--primary-green);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 14px;
}

.btn-connect:hover {
  background-color: var(--dark-green);
  transform: translateY(-2px);
}

/* CTA Section - GREEN BACKGROUND */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
}

.cta-box {
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 60px 40px;
  text-align: center;
}

.cta-icon {
  font-size: 40px;
  margin-bottom: 20px;
  color: var(--primary-green);
}

.cta-title {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.cta-description {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.cta-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 32px;
  max-width: 700px;
  margin: 0 auto;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary-green);
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Footer - DARK GREEN BACKGROUND */
.footer {
  background-color: var(--darker-bg);
  padding: 48px 0 24px;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 32px;
}

.footer-brand {
  max-width: 280px;
}

.logo-white {
  font-weight: 800;
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.footer-description {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
  font-size: 14px;
}

.social-links-footer {
  display: flex;
  gap: 10px;
}

.social-icon-footer {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background-color: rgba(74, 222, 128, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-green);
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s;
  font-size: 16px;
}

.social-icon-footer:hover {
  background-color: var(--primary-green);
  color: var(--darker-bg);
  transform: translateY(-2px);
}

.footer-links h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--primary-green);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 13px;
  flex-wrap: wrap;
  gap: 16px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .courses-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }

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

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

@media (max-width: 768px) {
  .header-content {
    gap: 16px;
  }

  .nav {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero-title {
    font-size: 32px !important;
  }

  .section-title {
    font-size: 28px;
  }

  .cta-title {
    font-size: 28px;
  }

  .cta-box {
    padding: 48px 24px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

  .card-footer {
    flex-direction: column;
    gap: 16px;
  }

  .btn-enroll {
    width: 100%;
    justify-content: center;
  }

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

  .hero {
    padding: 48px 0 56px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 26px !important;
  }

  .section-title {
    font-size: 24px;
  }

  .course-card {
    padding: 20px;
  }

  .card-title {
    font-size: 20px;
  }

  .pricing-card {
    padding: 24px 16px;
  }

  .cta-box {
    padding: 32px 16px;
  }

  .cta-title {
    font-size: 24px;
  }

  .container {
    padding: 0 16px;
  }

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

  .instructor-card {
    padding: 20px;
  }
}

.video-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  justify-content: center;
  align-items: center;
}

.video-modal-content {
  position: relative;
  width: 90%;
  max-width: 800px;
  background: #000;
  border-radius: 10px;
  padding: 10px;
}

.video-close-btn {
  position: absolute;
  top: -12px;
  right: -12px;
  background: #fff;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
}