/* =============================================
   RAVINQORHUB - MAIN STYLESHEET
   Architectural Grid Design System
   ============================================= */

/* --- CSS CUSTOM PROPERTIES --- */
:root {
  --color-background: #0d1117;
  --color-surface: #141b26;
  --color-surface-elevated: #1a2436;
  --color-surface-glass: rgba(26, 36, 54, 0.7);
  --color-border: rgba(99, 143, 210, 0.15);
  --color-border-light: rgba(99, 143, 210, 0.08);
  --color-primary: #2563eb;
  --color-primary-light: #3b82f6;
  --color-primary-dim: rgba(37, 99, 235, 0.15);
  --color-accent: #60a5fa;
  --color-accent-glow: rgba(96, 165, 250, 0.2);
  --color-text-primary: #e2eaf5;
  --color-text-secondary: #8ba4c4;
  --color-text-muted: #4d6a8a;
  --color-heading: #f0f6ff;
  --color-white: #f8faff;
  --color-success: #34d399;
  --color-grid-line: rgba(99, 143, 210, 0.06);
  --color-grid-line-strong: rgba(99, 143, 210, 0.12);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4), 0 2px 6px rgba(0,0,0,0.25), 0 0 0 1px rgba(99,143,210,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5), 0 4px 12px rgba(0,0,0,0.3), 0 0 0 1px rgba(99,143,210,0.1);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.6), 0 8px 24px rgba(0,0,0,0.35), 0 0 0 1px rgba(99,143,210,0.12);
  --shadow-glow: 0 0 32px rgba(37,99,235,0.25), 0 0 8px rgba(37,99,235,0.15);
  --shadow-card-hover: 0 20px 60px rgba(0,0,0,0.55), 0 6px 20px rgba(37,99,235,0.2), 0 0 0 1px rgba(99,143,210,0.18);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  --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: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);

  --font-heading: 'DM Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --nav-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  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, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }
address { font-style: normal; }

/* --- ARCHITECTURAL GRID BACKGROUND --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px),
    linear-gradient(var(--color-grid-line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-line-strong) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 200px 200px, 200px 200px;
  pointer-events: none;
  z-index: 0;
}

/* --- TYPOGRAPHY SCALE --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-display-heading {
  font-size: clamp(3.5rem, 8vw, 7.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--color-heading);
  margin-bottom: var(--space-lg);
}

.heading-line-primary {
  display: block;
  color: var(--color-heading);
}

.heading-line-secondary {
  display: block;
  color: var(--color-accent);
  -webkit-text-stroke: 1px var(--color-accent);
}

.section-display-heading {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-md);
  color: var(--color-heading);
}

.section-display-heading em {
  font-style: normal;
  color: var(--color-accent);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-sm);
  background: var(--color-primary-dim);
}

.section-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 620px;
  line-height: 1.75;
  margin-top: var(--space-sm);
}

/* --- SECTION CONTAINERS --- */
.section-container {
  container-type: inline-size;
  container-name: section-wrapper;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-header {
  margin-bottom: var(--space-xl);
}

/* --- MAIN NAVIGATION --- */
.main-navigation {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 17, 23, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navigation-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

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

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

.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.02em;
}

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

.navigation-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 0.3rem 0;
  transition: color var(--transition-fast);
}

.navigation-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.navigation-link:hover {
  color: var(--color-heading);
}

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

.navigation-cta-button {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.4rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 2px 8px rgba(37,99,235,0.3);
  white-space: nowrap;
}

.navigation-cta-button:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37,99,235,0.45);
}

/* Mobile toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}

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

.mobile-menu-toggle.is-open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle.is-open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
  background: rgba(13, 17, 23, 0.98);
  border-top: 1px solid var(--color-border-light);
}

.mobile-menu-panel.is-open {
  max-height: 500px;
}

.mobile-navigation-links {
  display: flex;
  flex-direction: column;
  padding: var(--space-sm) var(--space-md) var(--space-md);
  gap: 0.25rem;
}

.mobile-navigation-link {
  display: block;
  padding: 0.75rem var(--space-sm);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-light);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-navigation-link:hover {
  color: var(--color-heading);
  padding-left: 1.5rem;
}

.mobile-cta-button {
  display: block;
  margin-top: var(--space-sm);
  padding: 0.85rem;
  text-align: center;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.mobile-cta-button:hover {
  background: var(--color-primary-light);
}

/* --- MINI NAV PILL --- */
.mini-navigation-pill {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.85);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.mini-navigation-pill.is-visible {
  opacity: 1;
  pointer-events: all;
  transform: scale(1);
}

.mini-pill-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0.75rem;
  background: var(--color-primary);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.mini-pill-toggle:hover {
  background: var(--color-primary-light);
  transform: scale(1.05);
}

.mini-pill-toggle .hamburger-line {
  background: white;
  width: 18px;
}

.mini-navigation-dropdown {
  position: fixed;
  top: 4.5rem;
  right: 1.25rem;
  z-index: 1099;
  background: rgba(20, 27, 38, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 180px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px) scale(0.96);
  transition: opacity var(--transition-base), transform var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.mini-navigation-dropdown.is-open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}

.mini-nav-link {
  display: block;
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mini-nav-link:hover {
  color: var(--color-heading);
  background: var(--color-primary-dim);
}

/* --- WELCOME BANNER / HERO --- */
.welcome-banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + var(--space-2xl)) var(--space-md) var(--space-2xl);
  overflow: hidden;
}

.welcome-banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.welcome-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: var(--space-lg);
}

.hero-action-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.primary-action-button {
  display: inline-flex;
  align-items: center;
  padding: 0.9rem 2rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 20px rgba(37,99,235,0.4), 0 1px 4px rgba(0,0,0,0.3);
  transition: all var(--transition-base);
}

.primary-action-button:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37,99,235,0.5), 0 2px 8px rgba(0,0,0,0.4);
}

.secondary-action-button {
  display: inline-flex;
  align-items: center;
  padding: 0.9rem 2rem;
  background: transparent;
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.secondary-action-button:hover {
  color: var(--color-heading);
  border-color: var(--color-accent);
  background: rgba(96,165,250,0.06);
  transform: translateY(-1px);
}

/* Hero Atropos Card */
.hero-atropos-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-atropos {
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-xl);
}

.atropos-inner {
  border-radius: var(--radius-xl);
}

.hero-card-inner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 380px;
}

.hero-card-background {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,36,54,0.95) 0%, rgba(13,17,23,0.98) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
}

.hero-card-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,143,210,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,143,210,0.06) 1px, transparent 1px);
  background-size: 30px 30px;
  border-radius: var(--radius-xl);
}

.hero-card-content {
  position: relative;
  padding: var(--space-lg);
  z-index: 2;
}

.hero-card-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid rgba(96,165,250,0.3);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
  background: rgba(96,165,250,0.08);
}

.hero-card-score-display {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-md);
}

.score-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.score-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-heading);
  letter-spacing: -0.04em;
  line-height: 1;
}

.score-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

.hero-card-progress-bars {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.progress-bar-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.progress-bar-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.progress-bar-track {
  height: 4px;
  background: rgba(99,143,210,0.12);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-card-floating-tag {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: var(--color-success);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  z-index: 3;
}

.hero-card-floating-tag i {
  margin-right: 0.35rem;
}

/* Hero scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.4;
  z-index: 1;
}

.scroll-indicator-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, transparent, var(--color-accent));
  animation: scroll-pulse 2s ease-in-out infinite;
}

.scroll-indicator-text {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.15); }
}

/* --- PLATFORM OVERVIEW --- */
.platform-overview {
  padding: var(--space-3xl) var(--space-md);
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--color-border-light);
}

.platform-feature-grid {
  container-type: inline-size;
  container-name: feature-grid;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.platform-feature-card {
  background: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: var(--shadow-md);
}

.platform-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary-light), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.platform-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(99,143,210,0.3);
}

.platform-feature-card:hover::before {
  opacity: 1;
}

.platform-feature-card:hover .feature-card-hover-reveal {
  max-height: 120px;
  opacity: 1;
  margin-top: var(--space-sm);
}

.feature-card-icon-area {
  width: 52px;
  height: 52px;
  background: var(--color-primary-dim);
  border: 1px solid rgba(37,99,235,0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.35rem;
  color: var(--color-accent);
  transition: background var(--transition-base), transform var(--transition-base);
}

.platform-feature-card:hover .feature-card-icon-area {
  background: rgba(37,99,235,0.25);
  transform: scale(1.08);
}

.feature-card-text h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--color-heading);
}

.feature-card-text p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.feature-card-hover-reveal {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--transition-slow), opacity var(--transition-base), margin-top var(--transition-base);
}

.feature-card-hover-reveal p {
  font-size: 0.85rem;
  color: var(--color-accent);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border-light);
  line-height: 1.6;
}

@container feature-grid (max-width: 640px) {
  .platform-feature-grid {
    grid-template-columns: 1fr;
  }
}

/* --- SIMULATOR SHOWCASE --- */
.simulator-showcase {
  padding: var(--space-3xl) var(--space-md);
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(37,99,235,0.04) 50%, transparent);
}

.simulator-card-pair {
  container-type: inline-size;
  container-name: simulator-pair;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.simulator-detail-card {
  background: var(--color-surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.simulator-detail-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.testdaf-card {
  border-top: 3px solid var(--color-primary);
}

.studienkolleg-card {
  border-top: 3px solid var(--color-accent);
}

.simulator-card-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.simulator-card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  background: var(--color-primary-dim);
  border: 1px solid rgba(37,99,235,0.25);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}

.studienkolleg-card .simulator-card-tag {
  color: var(--color-accent);
  background: rgba(96,165,250,0.08);
  border-color: rgba(96,165,250,0.25);
}

.simulator-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-heading);
}

.simulator-card-intro {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.simulator-modules-list {
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.simulator-module-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.simulator-module-item:hover {
  background: var(--color-primary-dim);
}

.module-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.simulator-module-item:hover .module-icon {
  background: rgba(37,99,235,0.25);
}

.module-detail {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.module-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-heading);
}

.module-desc {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.simulator-card-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border-light);
}

.simulator-explore-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-light);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.simulator-explore-link:hover {
  color: var(--color-accent);
  gap: 0.85rem;
}

@container simulator-pair (max-width: 680px) {
  .simulator-card-pair {
    grid-template-columns: 1fr;
  }
}

/* --- TUTORING SECTION --- */
.online-tutoring-section {
  padding: var(--space-3xl) var(--space-md);
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--color-border-light);
}

.tutoring-content-split {
  container-type: inline-size;
  container-name: tutoring-split;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.tutoring-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-md);
}

.tutoring-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: var(--space-md);
}

.tutoring-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.tutoring-highlight-item i {
  color: var(--color-accent);
  font-size: 0.95rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

/* Tutoring mockup */
.tutoring-interface-mockup {
  background: var(--color-surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.tutoring-interface-mockup:hover {
  transform: translateY(-4px) rotate(-0.5deg);
  box-shadow: var(--shadow-card-hover);
}

.mockup-header-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem var(--space-md);
  background: rgba(13,17,23,0.6);
  border-bottom: 1px solid var(--color-border-light);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-dot.red { background: #ff5f57; }
.mockup-dot.yellow { background: #febc2e; }
.mockup-dot.green { background: #28c840; }

.mockup-title-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: 0.5rem;
}

.mockup-session-area {
  padding: var(--space-md);
}

.mockup-tutor-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: var(--space-sm);
}

.tutor-avatar-placeholder {
  width: 40px;
  height: 40px;
  background: var(--color-primary-dim);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.tutor-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.tutor-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-heading);
}

.tutor-status {
  font-size: 0.72rem;
  color: var(--color-success);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--color-success);
  border-radius: 50%;
  animation: status-pulse 2s infinite;
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.mockup-chat-area {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: var(--space-sm);
}

.chat-message {
  max-width: 85%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  line-height: 1.55;
}

.tutor-message {
  background: var(--color-primary-dim);
  border: 1px solid rgba(37,99,235,0.2);
  color: var(--color-text-primary);
  align-self: flex-start;
  border-radius: var(--radius-md) var(--radius-md) var(--radius-md) 4px;
}

.student-message {
  background: rgba(99,143,210,0.08);
  border: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
  align-self: flex-end;
  border-radius: var(--radius-md) var(--radius-md) 4px var(--radius-md);
}

.mockup-tool-bar {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border-light);
}

.tool-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  transition: background var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
}

.tool-icon:hover, .tool-icon.active {
  background: var(--color-primary-dim);
  color: var(--color-accent);
}

@container tutoring-split (max-width: 700px) {
  .tutoring-content-split {
    grid-template-columns: 1fr;
  }
}

/* --- WHY CHOOSE SECTION --- */
.why-choose-section {
  padding: var(--space-3xl) var(--space-md);
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(26,36,54,0.4) 50%, transparent);
}

.reason-cards-grid {
  container-type: inline-size;
  container-name: reason-grid;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.reason-card {
  background: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.reason-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(96,165,250,0.25);
}

.reason-card:hover .reason-card-reveal {
  max-height: 150px;
  opacity: 1;
  padding-top: var(--space-sm);
}

.reason-card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-dim);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  transition: transform var(--transition-base), background var(--transition-base);
}

.reason-card:hover .reason-card-icon {
  transform: scale(1.1) rotate(-3deg);
  background: rgba(37,99,235,0.22);
}

.reason-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 0.6rem;
}

.reason-card-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.reason-card-reveal {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--transition-slow), opacity var(--transition-base), padding-top var(--transition-base);
}

.reason-card-reveal p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-sm);
  line-height: 1.6;
}

@container reason-grid (max-width: 800px) {
  .reason-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@container reason-grid (max-width: 480px) {
  .reason-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* --- HOW IT WORKS --- */
.how-it-works-section {
  padding: var(--space-3xl) var(--space-md);
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--color-border-light);
}

.process-steps-container {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.process-step-card {
  flex: 1;
  background: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: var(--shadow-md);
}

.process-step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(99,143,210,0.3);
}

.process-step-card:hover .step-detail-reveal {
  max-height: 120px;
  opacity: 1;
  margin-top: var(--space-sm);
}

.step-number-display {
  font-size: 5rem;
  font-weight: 800;
  color: var(--color-primary-dim);
  line-height: 1;
  letter-spacing: -0.05em;
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  opacity: 0.5;
  transition: opacity var(--transition-base), color var(--transition-base);
  pointer-events: none;
}

.process-step-card:hover .step-number-display {
  opacity: 0.8;
  color: rgba(37,99,235,0.2);
}

.step-icon-area {
  width: 56px;
  height: 56px;
  background: var(--color-primary-dim);
  border: 1px solid rgba(37,99,235,0.25);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  transition: background var(--transition-base), transform var(--transition-base);
}

.process-step-card:hover .step-icon-area {
  background: rgba(37,99,235,0.22);
  transform: scale(1.08);
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 0.75rem;
}

.step-description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.step-detail-reveal {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--transition-slow), opacity var(--transition-base), margin-top var(--transition-base);
}

.step-detail-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-success);
  padding: 0.2rem 0;
}

.step-detail-item i {
  font-size: 0.7rem;
}

.process-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 0.5rem;
  min-width: 48px;
}

.connector-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, transparent, var(--color-border), transparent);
}

.connector-arrow {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

/* --- PRICING SECTION --- */
.pricing-plans-section {
  padding: var(--space-3xl) var(--space-md);
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(37,99,235,0.05) 50%, transparent);
}

.pricing-cards-row {
  container-type: inline-size;
  container-name: pricing-row;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  align-items: start;
}

.pricing-plan-card {
  background: var(--color-surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: var(--shadow-md);
}

.pricing-plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(99,143,210,0.25);
}

.plan-featured {
  border-color: rgba(37,99,235,0.4);
  background: rgba(37,99,235,0.08);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-8px);
}

.plan-featured:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.plan-featured-badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.plan-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.plan-name {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.plan-price-block {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.plan-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.plan-amount {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-heading);
  letter-spacing: -0.04em;
  line-height: 1;
}

.plan-featured .plan-amount {
  color: var(--color-accent);
}

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

.plan-tagline {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.plan-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: var(--space-lg);
}

.plan-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.plan-features-list li i {
  color: var(--color-success);
  font-size: 0.8rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.plan-features-list li.feature-unavailable {
  opacity: 0.45;
}

.plan-features-list li.feature-unavailable i {
  color: var(--color-text-muted);
}

.plan-action-button {
  display: block;
  width: 100%;
  text-align: center;
  padding: 0.85rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.plan-action-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 16px rgba(37,99,235,0.35);
}

.plan-action-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.45);
}

.plan-action-secondary {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.plan-action-secondary:hover {
  color: var(--color-heading);
  border-color: var(--color-accent);
  background: rgba(96,165,250,0.06);
  transform: translateY(-1px);
}

.pricing-legal-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-lg);
}

@container pricing-row (max-width: 720px) {
  .pricing-cards-row {
    grid-template-columns: 1fr;
  }
  .plan-featured {
    transform: none;
  }
}

/* --- CONTACT SECTION --- */
.contact-section {
  padding: var(--space-3xl) var(--space-md);
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--color-border-light);
}

.contact-layout-split {
  container-type: inline-size;
  container-name: contact-split;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact-intro-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  margin-top: var(--space-sm);
}

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

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

.contact-detail-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary-dim);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.contact-detail-item:hover .contact-detail-icon {
  background: rgba(37,99,235,0.22);
}

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

.contact-detail-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-detail-value {
  font-size: 0.9rem;
  color: var(--color-text-primary);
  line-height: 1.5;
}

.contact-link {
  transition: color var(--transition-fast);
}

.contact-link:hover {
  color: var(--color-accent);
}

.contact-map-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

/* --- INQUIRY FORM --- */
.inquiry-form {
  background: var(--color-surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
}

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

.form-field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
}

.form-input-field,
.form-select-field,
.form-textarea-field {
  background: rgba(13,17,23,0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem var(--space-sm);
  color: var(--color-text-primary);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  outline: none;
  width: 100%;
}

.form-input-field:focus,
.form-select-field:focus,
.form-textarea-field:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
  background: rgba(13,17,23,0.8);
}

.form-input-field::placeholder,
.form-textarea-field::placeholder {
  color: var(--color-text-muted);
}

.form-select-field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238ba4c4' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-select-field option {
  background: var(--color-surface);
  color: var(--color-text-primary);
}

.form-textarea-field {
  resize: vertical;
  min-height: 120px;
}

.form-privacy-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
}

.privacy-checkbox {
  width: 18px;
  height: 18px;
  min-width: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
  margin-top: 0.1rem;
}

.privacy-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  cursor: pointer;
}

.form-legal-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-submit-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.95rem;
  background: var(--color-primary);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(37,99,235,0.35);
}

.form-submit-button:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,99,235,0.45);
}

@container contact-split (max-width: 700px) {
  .contact-layout-split {
    grid-template-columns: 1fr;
  }
}

/* --- FOOTER --- */
.page-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--color-border);
  background: rgba(13,17,23,0.8);
  backdrop-filter: blur(12px);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md) var(--space-xl);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
}

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

.footer-logo-image { width: 32px; height: 32px; }

.footer-logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-heading);
}

.footer-brand-description {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-md);
  max-width: 340px;
}

.footer-address {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.footer-address a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-address a:hover {
  color: var(--color-accent);
}

.footer-links-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links-list a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: block;
}

.footer-links-list a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-bottom-bar {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-md);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-copyright,
.footer-domain {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- COOKIE CONSENT BANNER --- */
.cookie-consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  display: flex;
  background: rgba(20,27,38,0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -8px 40px rgba(0,0,0,0.5);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.cookie-consent-banner.is-visible {
  transform: translateY(0);
}

.cookie-consent-left {
  flex: 1;
  padding: var(--space-lg);
  border-right: 1px solid var(--color-border-light);
}

.cookie-consent-right {
  flex: 1;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-md);
}

.cookie-consent-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 0.6rem;
}

.cookie-consent-text {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.cookie-policy-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-category-toggles {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cookie-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cookie-toggle-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.cookie-toggle-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.cookie-toggle-desc {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

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

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

.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(99,143,210,0.15);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  transition: background var(--transition-base);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-text-muted);
  border-radius: 50%;
  transition: transform var(--transition-base), background var(--transition-base);
}

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

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px) translateY(-50%);
  background: white;
}

.toggle-disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.toggle-disabled input:checked + .toggle-slider {
  background: var(--color-success);
  border-color: var(--color-success);
}

.cookie-consent-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.cookie-btn {
  flex: 1;
  min-width: 100px;
  padding: 0.6rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.cookie-btn-reject {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.cookie-btn-reject:hover {
  color: var(--color-heading);
  border-color: var(--color-text-secondary);
}

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

.cookie-btn-accept:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
}

.cookie-btn-save {
  background: var(--color-surface-elevated);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.cookie-btn-save:hover {
  color: var(--color-heading);
  border-color: var(--color-accent);
}

/* --- SCROLL REVEAL ANIMATION --- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1), transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.reveal-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.reveal-on-scroll:nth-child(4) { transition-delay: 0.3s; }

/* --- GRID OVERLAY --- */
.grid-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(37,99,235,0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .welcome-banner-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
  }
  .hero-description { margin: 0 auto var(--space-lg); }
  .hero-action-group { justify-content: center; }
  .hero-atropos-wrapper { display: none; }

  .reason-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand-block {
    grid-column: 1 / -1;
  }

  .process-steps-container {
    flex-direction: column;
  }
  .process-connector {
    flex-direction: row;
    padding: 0.25rem 0;
    min-width: auto;
  }
  .connector-line {
    width: 40px;
    height: 1px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
    --space-3xl: 5rem;
    --space-2xl: 3.5rem;
  }

  .navigation-links { display: none; }
  .navigation-cta-button { display: none; }
  .mobile-menu-toggle { display: flex; }

  .hero-display-heading {
    font-size: clamp(2.8rem, 12vw, 4.5rem);
  }

  .simulator-card-pair {
    grid-template-columns: 1fr;
  }

  .tutoring-content-split {
    grid-template-columns: 1fr;
  }

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

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

  .plan-featured {
    transform: none;
  }

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

  .inquiry-form {
    padding: var(--space-lg);
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .cookie-consent-banner {
    flex-direction: column;
  }
  .cookie-consent-left {
    border-right: none;
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--space-md);
  }
  .cookie-consent-right {
    padding: var(--space-md);
  }
}

@media (max-width: 480px) {
  :root {
    --space-3xl: 4rem;
  }

  .hero-display-heading {
    font-size: clamp(2.4rem, 14vw, 3.5rem);
  }

  .section-display-heading {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

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

  .hero-action-group {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-action-button,
  .secondary-action-button {
    justify-content: center;
  }

  .platform-feature-grid {
    grid-template-columns: 1fr;
  }

  .cookie-consent-buttons {
    flex-direction: column;
  }

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