/* ==========================================================================
   KALPITIYA KITESURF ACADEMY — LESSONS PAGE STYLES (`css/lessons.css`)
   Brand System: LIGHT • WHITE • OCEAN BLUE • GLASS • WATER • WIND
   ========================================================================== */

/* Import Core Brand Tokens & System */
@import url('index.css');

/* --------------------------------------------------------------------------
   1. LESSONS HERO (70–80vh Editorial Layout)
   -------------------------------------------------------------------------- */
.lessons-hero {
  position: relative;
  min-height: 75vh;
  padding-top: calc(var(--nav-height) + 30px);
  padding-bottom: 60px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-pearl);
}

.lessons-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 3;
}

.lessons-hero-photo-box {
  position: relative;
  height: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(8, 44, 61, 0.12);
  border: 1px solid var(--glass-border);
}

.lessons-hero-photo-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lessons-hero-glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 44px 38px;
  box-shadow: var(--glass-shadow);
}

/* --------------------------------------------------------------------------
   2. INTERACTIVE COURSE SELECTOR
   -------------------------------------------------------------------------- */
.level-selector-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 36px 0 50px;
}

.level-btn {
  padding: 10px 24px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(8, 44, 61, 0.12);
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--navy-deep);
  transition: all var(--transition-fast);
}

.level-btn:hover,
.level-btn.active {
  background: var(--navy-deep);
  color: var(--white);
  border-color: var(--navy-deep);
  box-shadow: 0 8px 20px rgba(8, 44, 61, 0.15);
}

/* --------------------------------------------------------------------------
   3. COURSE BLOCKS (Discovery, Featured Beginner, Progression, Advanced)
   -------------------------------------------------------------------------- */
.course-detail-block {
  margin-bottom: 64px;
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.course-detail-block:hover {
  box-shadow: var(--glass-shadow-hover);
}

/* Featured Beginner Course Special Styling */
.course-featured {
  border: 2px solid var(--aqua-accent);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(231, 245, 247, 0.6) 100%);
  box-shadow: 0 20px 50px rgba(66, 199, 212, 0.18);
}

.course-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.course-img-side {
  height: 100%;
  min-height: 420px;
  position: relative;
  overflow: hidden;
}

.course-img-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-info-side {
  padding: 48px 40px;
}

.course-meta-pills {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.meta-pill {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ocean-muted);
  background: rgba(66, 199, 212, 0.1);
  padding: 4px 12px;
  border-radius: 6px;
}

.learn-check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  margin: 24px 0 32px;
}

.learn-check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--navy-deep);
}

/* Beginner 6-Step Progression Cards inside featured course */
.progression-steps-mini {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0 32px;
}

.prog-mini-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(8, 44, 61, 0.08);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}

.prog-mini-num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--ocean-muted);
}

.prog-mini-text {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--navy-deep);
}

/* --------------------------------------------------------------------------
   4. PATH TO RIDING (Animated SVG Journey Line)
   -------------------------------------------------------------------------- */
.path-section {
  position: relative;
  overflow: hidden;
}

.path-container {
  position: relative;
  margin-top: 60px;
}

.path-svg-line {
  position: absolute;
  top: 50px;
  left: 4%;
  width: 92%;
  height: 60px;
  z-index: 1;
  pointer-events: none;
}

.path-steps-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  position: relative;
  z-index: 2;
}

.path-step-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px 14px;
  text-align: center;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.path-step-card.active-step,
.path-step-card:hover {
  transform: translateY(-6px);
  border-color: var(--aqua-accent);
}

.path-step-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy-deep);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

/* --------------------------------------------------------------------------
   5. WHAT'S INCLUDED (Fluid Glass Grid)
   -------------------------------------------------------------------------- */
.included-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.included-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.included-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}

.included-text {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--navy-deep);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
   6. BUILT FOR LEARNING (Floating Glass Labels over Lagoon Image)
   -------------------------------------------------------------------------- */
.built-lagoon-container {
  position: relative;
  height: 440px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  margin-top: 48px;
}

.built-lagoon-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.built-floating-labels {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(8, 44, 61, 0.35);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 40px;
  align-items: flex-end;
}

.built-glass-label {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  color: var(--navy-deep);
}

/* --------------------------------------------------------------------------
   7. LESSON EXPERIENCE (3 Asymmetrical Moments)
   -------------------------------------------------------------------------- */
.moments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.moment-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.moment-photo-box {
  height: 240px;
  overflow: hidden;
}

.moment-photo-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.moment-content {
  padding: 28px 24px;
}

/* --------------------------------------------------------------------------
   8. FAQ ACCORDION
   -------------------------------------------------------------------------- */
.faq-accordion {
  max-width: 800px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--ocean-muted);
}

.faq-header {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy-deep);
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-fast);
}

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

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-fluid), padding 0.4s var(--ease-fluid);
  padding: 0 28px;
}

.faq-item.active .faq-body {
  max-height: 240px;
  padding: 0 28px 22px;
}

.faq-text {
  font-size: 0.94rem;
  color: rgba(8, 44, 61, 0.8);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   9. RESPONSIVE BREAKPOINTS FOR LESSONS PAGE
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .lessons-hero-grid {
    grid-template-columns: 1fr;
  }
  .course-split-grid {
    grid-template-columns: 1fr;
  }
  .course-img-side {
    min-height: 280px;
  }
  .path-steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .path-svg-line {
    display: none;
  }
  .included-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .built-floating-labels {
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
  }
  .moments-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .course-filter-bar {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }
  .filter-pill {
    padding: 10px 18px;
    font-size: 0.78rem;
    min-height: 44px;
  }
  .progression-steps-mini {
    grid-template-columns: repeat(2, 1fr);
  }
  .path-steps-grid {
    grid-template-columns: 1fr;
  }
  .built-floating-labels {
    grid-template-columns: 1fr;
    padding: 20px;
  }
  .included-grid {
    grid-template-columns: 1fr;
  }
  .learn-check-grid {
    grid-template-columns: 1fr;
  }
  .course-content-side {
    padding: 28px 20px;
  }
}

@media (max-width: 480px) {
  .progression-steps-mini {
    grid-template-columns: 1fr;
  }
  .filter-pill {
    width: 100%;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   10. PREMIUM LESSON PRICING CARDS & COMPARISON LAYOUT
   -------------------------------------------------------------------------- */
.lesson-category-block {
  margin-bottom: 64px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.lesson-category-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(8, 44, 61, 0.08);
  flex-wrap: wrap;
  gap: 16px;
}

.category-title-group h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-deep);
  line-height: 1.1;
}

.category-subtitle-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ocean-muted);
  background: rgba(66, 199, 212, 0.12);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.pricing-comparison-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.pricing-option-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(8, 44, 61, 0.1);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.pricing-option-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--aqua-accent);
  box-shadow: 0 12px 30px rgba(8, 44, 61, 0.08);
}

.pricing-option-card.featured-option {
  border: 2px solid var(--aqua-accent);
  background: linear-gradient(180deg, rgba(231, 245, 247, 0.8) 0%, rgba(255, 255, 255, 0.95) 100%);
}

.featured-pill-mini {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy-deep);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 2px 10px;
  border-radius: 12px;
  white-space: nowrap;
}

.option-duration-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--navy-deep);
  margin-bottom: 8px;
}

.option-price-tag {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-deep);
  line-height: 1;
  margin: 12px 0;
}

.option-price-tag span {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ocean-muted);
}

.option-desc-mini {
  font-size: 0.82rem;
  color: rgba(8, 44, 61, 0.7);
  line-height: 1.4;
  margin-top: 8px;
}

/* Single Wing Foil Pricing Block */
.wingfoil-single-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(231,245,247,0.7));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 32px 40px;
  gap: 24px;
  flex-wrap: wrap;
}

.wingfoil-price-large {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--navy-deep);
  line-height: 1;
}

.wingfoil-price-sub {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ocean-muted);
}

/* --------------------------------------------------------------------------
   11. SPECIAL KITESURF PACKAGE BANNER SECTION
   -------------------------------------------------------------------------- */
.special-package-section {
  margin: 60px 0;
}

.special-package-card {
  background: linear-gradient(135deg, #e7f5f7 0%, #ffffff 50%, #d4eff4 100%);
  border: 2px solid var(--aqua-accent);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(66, 199, 212, 0.15);
}

.special-package-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}

.special-package-badge {
  display: inline-block;
  background: var(--navy-deep);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.special-package-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--navy-deep);
  line-height: 1.1;
  margin-bottom: 16px;
}

.special-package-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}

.special-package-price {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--navy-deep);
  line-height: 1;
}

.special-package-unit {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--ocean-muted);
  text-transform: uppercase;
}

.special-inclusions-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
  margin-bottom: 32px;
}

.special-inclusion-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--navy-deep);
}

.special-inclusion-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--aqua-accent);
  color: var(--navy-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 900;
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .pricing-comparison-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .special-package-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .pricing-comparison-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .lesson-category-block {
    padding: 24px 18px;
  }
  .special-package-card {
    padding: 24px 20px;
    border-radius: var(--radius-md);
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
  }
  .special-package-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .special-package-price-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 20px;
  }
  .special-package-price {
    font-size: 2.8rem;
  }
  .special-package-unit {
    font-size: 0.9rem;
  }
  .special-inclusions-list {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 24px;
  }
  .special-package-card .btn-glass-water {
    width: 100%;
    max-width: 100%;
    justify-content: center;
    box-sizing: border-box;
    margin: 0;
  }
}

@media (max-width: 600px) {
  .pricing-comparison-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .wingfoil-single-card {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }
}