/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  --canvas-bg: #f4f1ec;
  --deep-bg: #1a2332;
  --surface-card: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.85);
  --surface-glass-dark: rgba(26, 35, 50, 0.75);

  --primary-color: #2d5a8e;
  --primary-dark: #1e3f63;
  --primary-light: #4a7ab5;
  --secondary-color: #c8a96e;
  --secondary-dark: #a8893e;
  --accent-color: #4fc3a1;
  --accent-warm: #e8734a;

  --text-primary: #1a2332;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --text-light: #f4f1ec;
  --text-light-muted: rgba(244, 241, 236, 0.75);

  --border-subtle: rgba(26, 35, 50, 0.1);
  --border-light: rgba(244, 241, 236, 0.2);

  --shadow-sm: 0 2px 8px rgba(26, 35, 50, 0.08), 0 1px 3px rgba(26, 35, 50, 0.05);
  --shadow-md: 0 8px 24px rgba(26, 35, 50, 0.12), 0 4px 8px rgba(26, 35, 50, 0.06);
  --shadow-lg: 0 20px 48px rgba(26, 35, 50, 0.16), 0 8px 16px rgba(26, 35, 50, 0.08);
  --shadow-xl: 0 32px 64px rgba(26, 35, 50, 0.2), 0 16px 32px rgba(26, 35, 50, 0.1);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 36px;
  --radius-full: 9999px;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  --transition-fast: 0.2s ease;
  --transition-base: 0.35s ease;
  --transition-slow: 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Rubik', sans-serif;
  background-color: var(--canvas-bg);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

/* ===== TYPOGRAPHY SCALE ===== */
.section-main-heading {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.section-main-heading.light {
  color: var(--text-light);
}

.section-label-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary-color);
  background: rgba(200, 169, 110, 0.12);
  border: 1px solid rgba(200, 169, 110, 0.3);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-label-tag.light {
  color: var(--secondary-color);
  background: rgba(200, 169, 110, 0.15);
  border-color: rgba(200, 169, 110, 0.35);
}

.section-intro-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 600px;
}

/* ===== LAYOUT UTILITIES ===== */
.section-canvas {
  max-width: 1240px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-md);
}

.dark-canvas {
  max-width: 100%;
  padding: var(--space-3xl) var(--space-md);
}

.dark-canvas > * {
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
}

.floating-island {
  margin-bottom: var(--space-xl);
}

.island-header {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-xl);
}

.island-header .section-intro-text {
  margin: 1rem auto 0;
}

/* ===== MAIN NAVIGATION ===== */
.main-navigation {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(244, 241, 236, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transform: translateY(-100%);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-md);
}

.main-navigation.nav-visible {
  transform: translateY(0);
}

.navigation-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  height: 68px;
  gap: var(--space-md);
}

.navigation-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.nav-logo-image {
  width: 36px;
  height: 36px;
}

.navigation-brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.02em;
}

.navigation-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-left: auto;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-base);
  border-radius: 2px;
}

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

.nav-link:hover::after {
  width: 100%;
}

.navigation-cta-button {
  background: var(--primary-color);
  color: var(--text-light);
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.navigation-cta-button:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.hamburger-button {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.hamburger-button span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

/* ===== MOBILE MENU ===== */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
}

.mobile-menu-overlay.menu-open {
  transform: translateX(0);
}

.mobile-menu-left {
  width: 55%;
  background: var(--primary-dark);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  position: relative;
}

.mobile-menu-right {
  width: 45%;
  position: relative;
  overflow: hidden;
}

.mobile-menu-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobile-menu-brand {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  font-weight: 700;
  font-size: 1rem;
  background: rgba(26, 35, 50, 0.7);
  backdrop-filter: blur(8px);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
}

.mobile-brand-logo {
  width: 28px;
  height: 28px;
}

.mobile-menu-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: rgba(255,255,255,0.1);
  border: none;
  color: white;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.mobile-menu-close:hover {
  background: rgba(255,255,255,0.2);
}

.mobile-menu-nav {
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  color: rgba(244, 241, 236, 0.75);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: block;
  padding: 0.4rem 0;
}

.mobile-nav-link:hover {
  color: var(--text-light);
  transform: translateX(8px);
}

.mobile-menu-contact {
  margin-top: auto;
  padding-top: var(--space-lg);
}

.mobile-menu-contact a {
  color: var(--secondary-color);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== WELCOME BANNER (HERO) ===== */
.welcome-banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-image-container {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-background-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 35, 50, 0.82) 0%,
    rgba(26, 35, 50, 0.55) 50%,
    rgba(26, 35, 50, 0.3) 100%
  );
}

.hero-content-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-md);
  padding-top: calc(var(--space-3xl) + 80px);
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 0.2s forwards;
}

.hero-main-heading {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--text-light);
  letter-spacing: -0.03em;
  max-width: 680px;
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 0.4s forwards;
}

.hero-heading-accent {
  color: var(--secondary-color);
}

.hero-description-text {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-light-muted);
  max-width: 520px;
  margin-top: 1.5rem;
  line-height: 1.7;
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 0.6s forwards;
}

.hero-action-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: 2.5rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 0.8s forwards;
}

.hero-primary-button {
  background: var(--secondary-color);
  color: var(--text-primary);
  padding: 0.85rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 16px rgba(200, 169, 110, 0.4);
}

.hero-primary-button:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 169, 110, 0.5);
}

.hero-secondary-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.85rem 1.5rem;
  border: 1px solid rgba(244, 241, 236, 0.3);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.hero-secondary-button:hover {
  background: rgba(244, 241, 236, 0.1);
  border-color: rgba(244, 241, 236, 0.5);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light-muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 1;
  animation: fadeIn 1s ease 1.2s both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(244,241,236,0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ===== WAVE DIVIDER ===== */
.wave-divider-top {
  margin-top: -2px;
  line-height: 0;
}

.wave-divider-top svg {
  width: 100%;
  height: 80px;
}

/* ===== SERVICE SHOWCASE (COURSES) ===== */
.service-showcase {
  background: var(--canvas-bg);
}

.course-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.course-card {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  transform-style: preserve-3d;
}

.course-card:hover {
  box-shadow: var(--shadow-xl);
}

.course-card-image-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.course-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.course-card:hover .course-card-image {
  transform: scale(1.06);
}

.course-card-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,35,50,0.5) 0%, transparent 60%);
}

.course-card-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: var(--secondary-color);
  color: var(--text-primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.course-card-body {
  padding: var(--space-md);
}

.course-card-icon {
  width: 44px;
  height: 44px;
  background: rgba(45, 90, 142, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.course-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.course-card-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-sm);
}

.course-card-topics {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: var(--space-md);
}

.course-card-topics li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.course-card-topics li i {
  color: var(--accent-color);
  font-size: 0.75rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.course-card-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-color);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.course-card-action:hover {
  gap: 0.7rem;
  color: var(--primary-dark);
}

/* ===== LEARNING METHOD SECTION ===== */
.learning-method-section {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.method-background-image-wrapper {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.method-background-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.method-background-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(26, 35, 50, 0.9) 0%,
    rgba(26, 35, 50, 0.7) 60%,
    rgba(26, 35, 50, 0.4) 100%
  );
}

.method-content-island {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-md);
  width: 100%;
}

.method-intro-text {
  font-size: 1.05rem;
  color: var(--text-light-muted);
  max-width: 560px;
  margin-top: 1rem;
  margin-bottom: var(--space-xl);
  line-height: 1.75;
}

.method-steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  max-width: 800px;
}

.method-step-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.method-step-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary-color);
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.7;
  min-width: 52px;
}

.method-step-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 0.4rem;
}

.method-step-content p {
  font-size: 0.875rem;
  color: var(--text-light-muted);
  line-height: 1.65;
}

/* ===== TABBED CONTENT SECTION ===== */
.tabbed-content-section {
  background: var(--canvas-bg);
}

.tabbed-interface {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.tab-navigation-bar {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(26, 35, 50, 0.03);
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-navigation-bar::-webkit-scrollbar {
  display: none;
}

.tab-navigation-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.1rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.tab-navigation-button i {
  font-size: 0.9rem;
}

.tab-navigation-button:hover {
  color: var(--primary-color);
  background: rgba(45, 90, 142, 0.05);
}

.tab-navigation-button.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: rgba(45, 90, 142, 0.06);
}

.tab-content-panels {
  position: relative;
}

.tab-content-panel {
  display: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.tab-content-panel.active {
  display: block;
  opacity: 1;
}

.tab-panel-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 420px;
}

.tab-panel-text {
  padding: var(--space-xl);
}

.tab-panel-text h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.tab-panel-text p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.tab-panel-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.highlight-item i {
  color: var(--primary-color);
  font-size: 0.75rem;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.tab-panel-image {
  overflow: hidden;
}

.tab-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.tab-content-panel:hover .tab-image {
  transform: scale(1.03);
}

/* ===== CURVED DIVIDER ===== */
.curved-section-divider {
  line-height: 0;
  background: var(--canvas-bg);
}

.curved-section-divider svg {
  width: 100%;
  height: 100px;
}

/* ===== COMPARISON SHOWCASE SECTION ===== */
.comparison-showcase-section {
  background: var(--deep-bg);
  padding: 0;
}

.comparison-intro-text {
  font-size: 1rem;
  color: var(--text-light-muted);
  max-width: 560px;
  margin: 1rem auto 0;
  text-align: center;
}

/* CSS-Only Image Comparison Slider */
.image-comparison-container {
  max-width: 900px;
  margin: var(--space-xl) auto;
  padding: 0 var(--space-md);
}

.image-comparison-slider-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 16/9;
  user-select: none;
}

.comparison-before-image,
.comparison-after-image {
  position: absolute;
  inset: 0;
}

.comparison-before-image img,
.comparison-after-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-after-image {
  clip-path: inset(0 50% 0 0);
}

.comparison-range-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 10;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
}

.comparison-divider-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: white;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 5;
  transition: left 0s;
}

.comparison-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1rem;
  box-shadow: var(--shadow-md);
}

.comparison-label {
  position: absolute;
  bottom: var(--space-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  z-index: 6;
  pointer-events: none;
}

.comparison-label-before {
  left: var(--space-sm);
  background: rgba(26, 35, 50, 0.8);
  color: white;
}

.comparison-label-after {
  right: var(--space-sm);
  background: var(--primary-color);
  color: white;
}

.comparison-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-3xl);
}

.comparison-detail-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  backdrop-filter: blur(8px);
}

.comparison-detail-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.before-icon {
  background: rgba(232, 115, 74, 0.15);
  color: var(--accent-warm);
}

.after-icon {
  background: rgba(79, 195, 161, 0.15);
  color: var(--accent-color);
}

.comparison-detail-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.comparison-detail-card p {
  font-size: 0.875rem;
  color: var(--text-light-muted);
  line-height: 1.65;
}

/* ===== VALUE PROPOSITION SECTION ===== */
.value-proposition-section {
  background: var(--canvas-bg);
}

.value-proposition-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.value-proposition-image-block {
  position: relative;
}

.value-main-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/5;
  object-fit: cover;
}

.value-image-accent-block {
  position: absolute;
  bottom: -var(--space-sm);
  right: -var(--space-sm);
  bottom: -1rem;
  right: -1rem;
  background: var(--primary-color);
  color: white;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.4;
}

.value-image-accent-block i {
  font-size: 1.5rem;
  color: var(--secondary-color);
}

.value-body-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 1rem;
}

.value-feature-list {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.value-feature-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  padding: var(--space-sm);
  background: var(--surface-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.value-feature-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.value-feature-icon {
  width: 42px;
  height: 42px;
  background: rgba(45, 90, 142, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1rem;
  flex-shrink: 0;
}

.value-feature-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.value-feature-text strong {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.value-feature-text span {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ===== INQUIRY FORM SECTION ===== */
.inquiry-form-section {
  background: linear-gradient(135deg, var(--canvas-bg) 0%, #ede9e0 100%);
}

.contact-layout-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-intro-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-top: 1rem;
  margin-bottom: var(--space-lg);
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.contact-detail-icon {
  width: 42px;
  height: 42px;
  background: var(--primary-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.contact-detail-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.contact-detail-text strong {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-detail-text span,
.contact-detail-text a {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.contact-detail-text a:hover {
  color: var(--primary-color);
}

.contact-map-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* ===== CONTACT FORM ===== */
.glass-surface {
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-xl);
}

.contact-form-card {
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

.contact-form-heading {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.form-row-double {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: var(--space-sm);
}

.form-field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.required-marker {
  color: var(--accent-warm);
}

.form-input-field,
.form-textarea-field {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.8);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: 'Rubik', sans-serif;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  outline: none;
}

.form-input-field:focus,
.form-textarea-field:focus {
  border-color: var(--primary-color);
  background: white;
  box-shadow: 0 0 0 3px rgba(45, 90, 142, 0.12);
}

.form-textarea-field {
  resize: vertical;
  min-height: 130px;
}

.form-privacy-row {
  margin-bottom: var(--space-md);
}

.form-privacy-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
}

.form-privacy-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.form-privacy-text {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.form-privacy-text a {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-submit-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--primary-color);
  color: white;
  padding: 0.9rem 2rem;
  border: none;
  border-radius: var(--radius-full);
  font-family: 'Rubik', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.form-submit-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ===== PAGE FOOTER ===== */
.page-footer {
  background: var(--deep-bg);
  color: var(--text-light);
}

.footer-cta-block {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  padding: var(--space-3xl) var(--space-md);
  text-align: center;
}

.footer-cta-inner {
  max-width: 680px;
  margin: 0 auto;
}

.footer-cta-heading {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-sm);
  line-height: 1.15;
}

.footer-cta-description {
  font-size: 1rem;
  color: var(--text-light-muted);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}

.footer-cta-button {
  display: inline-block;
  background: var(--secondary-color);
  color: var(--text-primary);
  padding: 0.9rem 2.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1rem;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 20px rgba(200, 169, 110, 0.4);
}

.footer-cta-button:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(200, 169, 110, 0.5);
}

.footer-main-content {
  max-width: 1240px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-xl);
}

.footer-brand-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--space-sm);
}

.footer-logo {
  width: 36px;
  height: 36px;
}

.footer-brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-light);
}

.footer-brand-tagline {
  font-size: 0.875rem;
  color: var(--text-light-muted);
  line-height: 1.65;
  margin-bottom: var(--space-sm);
}

.footer-address {
  font-size: 0.875rem;
  color: var(--text-light-muted);
  font-style: normal;
  line-height: 1.65;
}

.footer-column-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

.footer-link-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link-list a {
  font-size: 0.875rem;
  color: var(--text-light-muted);
  transition: color var(--transition-fast);
}

.footer-link-list a:hover {
  color: var(--text-light);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-contact-list a {
  font-size: 0.875rem;
  color: var(--text-light-muted);
  transition: color var(--transition-fast);
}

.footer-contact-list a:hover {
  color: var(--text-light);
}

.footer-bottom-bar {
  border-top: 1px solid var(--border-light);
  padding: var(--space-sm) var(--space-md);
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-copyright,
.footer-location {
  font-size: 0.8rem;
  color: rgba(244, 241, 236, 0.4);
}

/* ===== COOKIE CONSENT ===== */
.cookie-consent-trigger {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 52px;
  height: 52px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 900;
  box-shadow: var(--shadow-lg);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.cookie-consent-trigger:hover {
  background: var(--primary-dark);
  transform: scale(1.08);
}

.cookie-consent-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 14px;
  height: 14px;
  background: var(--accent-warm);
  border-radius: 50%;
  border: 2px solid var(--canvas-bg);
  display: none;
}

.cookie-consent-badge.badge-visible {
  display: block;
}

.cookie-consent-panel {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  width: 340px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 901;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-base), opacity var(--transition-base);
  border: 1px solid var(--border-subtle);
}

.cookie-consent-panel.panel-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.cookie-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
}

.cookie-panel-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cookie-panel-close {
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.cookie-panel-close:hover {
  background: var(--canvas-bg);
}

.cookie-panel-body {
  padding: var(--space-sm) var(--space-md);
}

.cookie-panel-intro {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.cookie-category-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.75rem;
}

.cookie-category-item:last-child {
  border-bottom: none;
}

.cookie-category-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.cookie-category-info strong {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cookie-category-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.disabled-toggle {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-color);
  flex-shrink: 0;
}

.cookie-toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
  cursor: pointer;
}

.cookie-toggle-input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.cookie-toggle-slider {
  position: absolute;
  inset: 0;
  background: #d1d5db;
  border-radius: 24px;
  transition: background var(--transition-fast);
}

.cookie-toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform var(--transition-fast);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.cookie-toggle-input:checked + .cookie-toggle-slider {
  background: var(--primary-color);
}

.cookie-toggle-input:checked + .cookie-toggle-slider::before {
  transform: translateX(20px);
}

.cookie-panel-footer {
  display: flex;
  gap: 0.5rem;
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.cookie-accept-all-button,
.cookie-save-button {
  flex: 1;
  padding: 0.6rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Rubik', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.cookie-accept-all-button {
  background: var(--primary-color);
  color: white;
}

.cookie-accept-all-button:hover {
  background: var(--primary-dark);
}

.cookie-save-button {
  background: var(--canvas-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.cookie-save-button:hover {
  background: #e8e4da;
}

.cookie-panel-legal {
  text-align: center;
  padding: 0.5rem var(--space-md) var(--space-sm);
  font-size: 0.75rem;
}

.cookie-panel-legal a {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===== SCROLL REVEAL ANIMATIONS ===== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== KEYFRAME ANIMATIONS ===== */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-main-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .value-proposition-layout {
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .navigation-links,
  .navigation-cta-button {
    display: none;
  }

  .hamburger-button {
    display: flex;
  }

  .hero-main-heading {
    font-size: clamp(2.2rem, 10vw, 3.5rem);
  }

  .course-cards-grid {
    grid-template-columns: 1fr;
  }

  .method-steps-grid {
    grid-template-columns: 1fr;
  }

  .tab-panel-inner {
    grid-template-columns: 1fr;
  }

  .tab-panel-image {
    height: 220px;
    order: -1;
  }

  .value-proposition-layout {
    grid-template-columns: 1fr;
  }

  .value-main-image {
    aspect-ratio: 16/9;
  }

  .contact-layout-wrapper {
    grid-template-columns: 1fr;
  }

  .form-row-double {
    grid-template-columns: 1fr;
  }

  .comparison-details-grid {
    grid-template-columns: 1fr;
  }

  .footer-main-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

  .section-canvas {
    padding: var(--space-xl) var(--space-sm);
  }

  .method-content-island {
    padding: var(--space-xl) var(--space-sm);
  }

  .hero-content-wrapper {
    padding: var(--space-xl) var(--space-sm);
    padding-top: calc(var(--space-xl) + 60px);
  }

  .contact-form-card {
    padding: var(--space-md);
  }

  .cookie-consent-panel {
    width: calc(100vw - 2rem);
    right: 1rem;
    bottom: 5rem;
  }

  .mobile-menu-overlay {
    flex-direction: column;
  }

  .mobile-menu-left {
    width: 100%;
    height: 65%;
  }

  .mobile-menu-right {
    width: 100%;
    height: 35%;
  }

  .tab-navigation-button {
    padding: 0.9rem 1rem;
    font-size: 0.8rem;
  }

  .footer-cta-block {
    padding: var(--space-xl) var(--space-sm);
  }
}

@media (max-width: 480px) {
  .hero-action-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-primary-button,
  .hero-secondary-button {
    width: 100%;
    justify-content: center;
  }

  .image-comparison-slider-wrapper {
    aspect-ratio: 4/3;
  }
}