/* =============================================
   LUMERQEN HUB - BLAUDRUCK WERKSTATT
   Design: Digital Brutalism Lite
   ============================================= */

/* --- CSS CUSTOM PROPERTIES --- */
:root {
  --color-bg: #f5f3ee;
  --color-bg-alt: #edeae2;
  --color-surface: #faf9f6;
  --color-surface-card: #ffffff;
  --color-indigo-deep: #1a2744;
  --color-indigo-mid: #2c4a8a;
  --color-indigo-bright: #3b5fc0;
  --color-indigo-light: #d6dff5;
  --color-accent: #c8a84b;
  --color-accent-light: #f0e6c4;
  --color-concrete: #b8b4aa;
  --color-text-primary: #1c1a17;
  --color-text-secondary: #4a4740;
  --color-text-muted: #7a7670;
  --color-border: #d4d0c8;
  --color-border-strong: #8a8680;

  --font-heading: 'Bricolage Grotesque', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Courier New', Courier, monospace;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-card: 0 1px 3px rgba(26,39,68,0.06), 0 4px 12px rgba(26,39,68,0.08), 0 12px 32px rgba(26,39,68,0.06);
  --shadow-card-hover: 0 2px 6px rgba(26,39,68,0.08), 0 8px 24px rgba(26,39,68,0.12), 0 24px 48px rgba(26,39,68,0.08);
  --shadow-nav: 0 1px 0 rgba(26,39,68,0.08), 0 4px 16px rgba(26,39,68,0.06);
  --shadow-btn: 0 2px 8px rgba(44,74,138,0.2), 0 1px 2px rgba(44,74,138,0.12);
  --shadow-btn-hover: 0 4px 16px rgba(44,74,138,0.3), 0 2px 4px rgba(44,74,138,0.16);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  --header-h: 68px;
}

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* --- TYPOGRAPHY SCALE --- */
.hero-heading {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-indigo-deep);
}
.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-indigo-deep);
  margin-bottom: var(--space-md);
}
.centered-heading { text-align: center; }
.body-text {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}
.section-intro-text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}
.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.highlight-text {
  color: var(--color-indigo-bright);
  position: relative;
  display: inline-block;
}
.highlight-text::after {
  content: '';
  position: absolute;
  bottom: 0.05em;
  left: 0;
  width: 100%;
  height: 0.08em;
  background: var(--color-accent);
  border-radius: 2px;
}

/* --- LAYOUT --- */
.page-wrapper { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; }
.content-block {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}
.info-grid { display: grid; gap: var(--space-lg); }
.section-label-row {
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.section-label {
  color: var(--color-indigo-bright);
  border: 1px solid var(--color-indigo-light);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--color-indigo-light);
}

/* --- HEADER --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(245, 243, 238, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-nav);
  transform: translateY(0);
  transition: transform var(--transition-slow);
}
.site-header.header-hidden { transform: translateY(-100%); }
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-logo { width: 36px; height: 36px; }
.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-indigo-deep);
  letter-spacing: -0.02em;
}
.primary-nav { margin-left: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.nav-link:hover { color: var(--color-indigo-bright); background: var(--color-indigo-light); }
.nav-chevron { font-size: 0.65rem; transition: transform var(--transition-base); }
.nav-item-dropdown { position: relative; }
.nav-item-dropdown:hover .nav-chevron { transform: rotate(180deg); }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  min-width: 240px;
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 100;
}
.nav-item-dropdown:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-link {
  display: block;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-dropdown-link:hover { color: var(--color-indigo-bright); background: var(--color-indigo-light); }
.nav-cta {
  margin-left: var(--space-sm);
  font-size: 0.875rem;
  padding: 0.5rem 1.25rem;
  flex-shrink: 0;
}

/* --- MOBILE MENU TRIGGER --- */
.mobile-menu-trigger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.mobile-menu-trigger:hover { background: var(--color-indigo-light); }
.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-indigo-deep);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.mobile-menu-trigger[aria-expanded="true"] .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-trigger[aria-expanded="true"] .hamburger-line:nth-child(2) { opacity: 0; }
.mobile-menu-trigger[aria-expanded="true"] .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- MOBILE NAV PANEL --- */
.mobile-nav-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--color-surface-card);
  border-bottom: 1px solid var(--color-border);
}
.mobile-nav-panel.panel-open { max-height: 600px; }
.mobile-nav-list { padding: var(--space-sm) var(--space-md) var(--space-md); }
.mobile-nav-link {
  display: block;
  padding: 0.75rem 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}
.mobile-nav-link:hover { color: var(--color-indigo-bright); }
.mobile-nav-sub {
  padding-left: 1.5rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-bg-alt);
}
.mobile-nav-cta {
  display: block;
  text-align: center;
  margin-top: var(--space-sm);
  padding: 0.875rem 1.5rem;
  border-bottom: none;
}
.mobile-accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.75rem 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}
.mobile-accordion-trigger:hover { color: var(--color-indigo-bright); }
.mobile-accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}
.mobile-accordion-panel.accordion-open { max-height: 300px; }

/* --- BUTTONS --- */
.primary-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-indigo-mid);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-indigo-mid);
  box-shadow: var(--shadow-btn);
  transition: background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast), border-color var(--transition-base);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.primary-action:hover {
  background: var(--color-indigo-deep);
  border-color: var(--color-indigo-deep);
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-1px);
  color: #ffffff;
}
.primary-action:active { transform: translateY(0); }
.secondary-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--color-indigo-mid);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-indigo-mid);
  transition: background var(--transition-base), color var(--transition-base), transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}
.secondary-action:hover {
  background: var(--color-indigo-light);
  transform: translateY(-1px);
}

/* --- HERO SECTION --- */
.hero-section {
  min-height: 100vh;
  padding-top: calc(var(--header-h) + var(--space-xl));
  padding-bottom: var(--space-3xl);
  background: linear-gradient(135deg, var(--color-indigo-deep) 0%, #1e3260 40%, #2c4a8a 70%, var(--color-indigo-bright) 100%);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-xl);
  padding-left: max(var(--space-md), calc((100vw - 1200px) / 2 + var(--space-md)));
  padding-right: max(var(--space-md), calc((100vw - 1200px) / 2 + var(--space-md)));
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-content-wrap { position: relative; z-index: 2; }
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 0.2s forwards;
}
.hero-eyebrow .mono-tag { color: rgba(255,255,255,0.6); }
.eyebrow-divider {
  width: 32px;
  height: 1px;
  background: rgba(255,255,255,0.3);
}
.hero-heading {
  color: #ffffff;
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 0.4s forwards;
}
.hero-heading .highlight-text { color: var(--color-accent); }
.hero-heading .highlight-text::after { background: rgba(200,168,75,0.4); }
.hero-subtext {
  font-size: 1.1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  max-width: 540px;
  margin: var(--space-md) 0 var(--space-lg);
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 0.6s forwards;
}
.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 0.8s forwards;
}
.hero-cta-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-indigo-deep);
  box-shadow: 0 2px 8px rgba(200,168,75,0.3);
}
.hero-cta-primary:hover {
  background: #b8963a;
  border-color: #b8963a;
  color: var(--color-indigo-deep);
  box-shadow: 0 4px 16px rgba(200,168,75,0.4);
}
.hero-cta-secondary {
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.3);
}
.hero-cta-secondary:hover {
  background: rgba(255,255,255,0.1);
  color: #ffffff;
}
.hero-meta-strip {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 1s forwards;
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
}
.meta-item i { color: var(--color-accent); font-size: 0.75rem; }
.meta-divider { width: 1px; height: 16px; background: rgba(255,255,255,0.2); }

/* Hero Visual Block */
.hero-visual-block {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: flex-end;
  opacity: 0;
  animation: fadeSlideLeft 0.8s ease 0.6s forwards;
}
.hero-color-swatch {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.1);
}
.swatch-indigo {
  width: 100%;
  max-width: 340px;
  height: 200px;
  background: linear-gradient(135deg, #0d1a38 0%, #1a2744 50%, #2c4a8a 100%);
  box-shadow: inset 0 0 60px rgba(0,0,0,0.3), 0 8px 32px rgba(0,0,0,0.3);
}
.swatch-light {
  width: 75%;
  max-width: 255px;
  height: 100px;
  background: linear-gradient(135deg, #3b5fc0 0%, #5a7fd4 100%);
  box-shadow: inset 0 0 40px rgba(0,0,0,0.2), 0 4px 16px rgba(0,0,0,0.2);
}
.swatch-pale {
  width: 50%;
  max-width: 170px;
  height: 60px;
  background: linear-gradient(135deg, #d6dff5 0%, #eef2fc 100%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.hero-label-float {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: flex-end;
  margin-top: var(--space-sm);
}
.hero-label-float .mono-tag {
  color: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

/* --- SCROLL REVEAL --- */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- VISUAL BREAK SECTIONS --- */
.visual-break {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* --- INTRO SECTION --- */
.intro-section { padding: var(--space-3xl) 0; }
.intro-content-block { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-md); }
.intro-grid { grid-template-columns: 1fr 1fr; align-items: start; }
.intro-text-col .body-text:last-child { margin-bottom: 0; }
.intro-facts-col { display: flex; flex-direction: column; gap: var(--space-md); }
.fact-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  position: relative;
  overflow: hidden;
}
.fact-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-indigo-bright);
  border-radius: 0 2px 2px 0;
}
.fact-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.fact-icon-wrap {
  width: 40px;
  height: 40px;
  background: var(--color-indigo-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-indigo-bright);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}
.fact-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-indigo-deep);
  margin-bottom: 0.4rem;
}
.fact-desc { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.6; margin: 0; }

/* --- COURSES SECTION --- */
.courses-section { padding: var(--space-3xl) 0; background: var(--color-bg); }
.courses-grid { grid-template-columns: repeat(3, 1fr); }
.course-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.course-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.course-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}
.course-number {
  background: var(--color-indigo-deep);
  color: rgba(255,255,255,0.9);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
}
.course-icon-wrap {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-indigo-light) 0%, var(--color-accent-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-indigo-bright);
  font-size: 1.3rem;
}
.course-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-indigo-deep);
  line-height: 1.3;
}
.course-desc { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.65; margin: 0; }
.course-topics {
  list-style: none;
  padding: 0;
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}
.course-topics li {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding: 0.35rem 0;
  padding-left: 1.25rem;
  position: relative;
  border-bottom: 1px solid var(--color-bg-alt);
}
.course-topics li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--color-indigo-bright);
  border-radius: 50%;
}
.course-topics li:last-child { border-bottom: none; }

/* --- PROCESS SECTION --- */
.process-section { padding: var(--space-3xl) 0; }
.process-steps { display: flex; flex-direction: column; gap: 0; margin-top: var(--space-xl); }
.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-lg);
  position: relative;
}
.step-number-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 0.25rem;
}
.step-number {
  background: var(--color-indigo-deep);
  color: rgba(255,255,255,0.9);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-bottom: var(--space-sm);
}
.step-connector {
  width: 2px;
  flex: 1;
  min-height: 60px;
  background: linear-gradient(to bottom, var(--color-indigo-mid), var(--color-indigo-light));
  border-radius: 2px;
}
.step-connector-last { background: linear-gradient(to bottom, var(--color-indigo-mid), transparent); }
.step-content-wrap {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--space-md);
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base);
}
.step-content-wrap:hover { box-shadow: var(--shadow-card-hover); }
.step-icon-large {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-indigo-mid) 0%, var(--color-indigo-bright) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.4rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(44,74,138,0.25);
}
.step-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-indigo-deep);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.step-desc { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; margin: 0; }

/* --- MATERIALS SECTION --- */
.materials-section { padding: var(--space-3xl) 0; background: var(--color-bg); }
.materials-grid { grid-template-columns: repeat(4, 1fr); margin-top: var(--space-xl); }
.material-group {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.material-group:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.material-group-icon {
  font-size: 1.5rem;
  color: var(--color-indigo-bright);
  margin-bottom: 0.75rem;
}
.material-group-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-indigo-deep);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-indigo-light);
}
.material-list { list-style: none; padding: 0; }
.material-list li {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding: 0.3rem 0;
  padding-left: 1rem;
  position: relative;
  line-height: 1.5;
}
.material-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 4px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* --- TRADITION SECTION --- */
.tradition-section { padding: var(--space-3xl) 0; }
.tradition-content-block { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-md); }
.tradition-grid { grid-template-columns: 1fr 1fr; align-items: start; gap: var(--space-2xl); }
.tradition-text-col .body-text { margin-bottom: var(--space-sm); }

/* Timeline */
.tradition-timeline-col { padding-left: var(--space-sm); }
.timeline-item {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-md);
  position: relative;
}
.timeline-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 20px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-indigo-mid), var(--color-indigo-light));
}
.timeline-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-surface-card);
  border: 2px solid var(--color-indigo-mid);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  margin-top: 0.1rem;
  transition: background var(--transition-base), border-color var(--transition-base);
}
.timeline-dot-active {
  background: var(--color-indigo-bright);
  border-color: var(--color-indigo-bright);
  box-shadow: 0 0 0 4px var(--color-indigo-light);
}
.timeline-date {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-indigo-bright);
  font-size: 0.7rem;
}
.timeline-text { font-size: 0.875rem; color: var(--color-text-secondary); line-height: 1.6; margin: 0; }

/* --- CONTACT SECTION --- */
.contact-section { padding: var(--space-3xl) 0; background: var(--color-bg); }
.contact-grid { grid-template-columns: 1fr 2fr; align-items: start; margin-top: var(--space-xl); }
.contact-info-card {
  background: var(--color-indigo-deep);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-md);
  box-shadow: 0 4px 24px rgba(26,39,68,0.25);
}
.contact-info-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-md);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.contact-detail-row {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  margin-bottom: 0.875rem;
}
.contact-icon { color: var(--color-accent); font-size: 0.9rem; margin-top: 0.15rem; flex-shrink: 0; }
.contact-detail-text { font-size: 0.9rem; color: rgba(255,255,255,0.8); line-height: 1.5; }
.contact-link {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition-fast);
}
.contact-link:hover { color: var(--color-accent); }
.contact-note-card {
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.contact-note-card i { color: var(--color-accent); margin-top: 0.15rem; flex-shrink: 0; }
.contact-note-card p { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.6; margin: 0; }

/* --- CONTACT FORM --- */
.contact-form {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
}
.form-field-group { margin-bottom: var(--space-md); }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.4rem;
}
.required-mark { color: var(--color-indigo-bright); }
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-text-primary);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  outline: none;
}
.form-input:focus {
  border-color: var(--color-indigo-bright);
  background: var(--color-surface-card);
  box-shadow: 0 0 0 3px rgba(59,95,192,0.12);
}
.form-input::placeholder { color: var(--color-concrete); }
.form-textarea { resize: vertical; min-height: 140px; }
.form-checkbox-group { display: flex; align-items: flex-start; }
.checkbox-label { display: flex; align-items: flex-start; gap: 0.75rem; cursor: pointer; }
.form-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-indigo-bright);
  flex-shrink: 0;
  margin-top: 0.1rem;
  cursor: pointer;
}
.checkbox-text { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.5; }
.inline-link { color: var(--color-indigo-bright); text-decoration: underline; }
.inline-link:hover { color: var(--color-indigo-deep); }
.form-submit-btn {
  width: 100%;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  margin-top: var(--space-sm);
}

/* --- FOOTER --- */
.site-footer {
  background: var(--color-indigo-deep);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 0;
  margin-top: auto;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-2xl);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-xl);
}
.footer-brand .brand-name { color: rgba(255,255,255,0.9); }
.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  margin-top: 0.75rem;
  line-height: 1.6;
}
.footer-address { font-size: 0.8rem; color: rgba(255,255,255,0.4); margin-top: 0.4rem; }
.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.footer-link-list { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}
.footer-link:hover { color: rgba(255,255,255,0.9); }
.footer-contact-col { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}
.footer-contact-item:hover { color: rgba(255,255,255,0.9); }
.footer-contact-item i { color: var(--color-accent); font-size: 0.8rem; width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-md) var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-legal-note { font-size: 0.75rem; color: rgba(255,255,255,0.3); }

/* --- ANIMATIONS --- */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeSlideLeft {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* =============================================
   COOKIE CONSENT - SPLIT BANNER
   ============================================= */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  display: none;
  background: var(--color-surface-card);
  border-top: 2px solid var(--color-indigo-bright);
  box-shadow: 0 -4px 32px rgba(26,39,68,0.15), 0 -1px 8px rgba(26,39,68,0.08);
}
.cookie-banner.cookie-visible { display: flex; }
.cookie-banner-left {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  border-right: 1px solid var(--color-border);
}
.cookie-banner-right {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.cookie-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-indigo-deep);
  margin-bottom: 0.5rem;
}
.cookie-text {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}
.cookie-text a { color: var(--color-indigo-bright); text-decoration: underline; }
.cookie-categories { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: var(--space-sm); }
.cookie-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}
.cookie-toggle {
  position: relative;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}
.cookie-toggle input { opacity: 0; width: 0; height: 0; }
.cookie-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 20px;
  cursor: pointer;
  transition: background var(--transition-base);
}
.cookie-toggle-slider::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  top: 3px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-base);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.cookie-toggle input:checked + .cookie-toggle-slider { background: var(--color-indigo-bright); }
.cookie-toggle input:checked + .cookie-toggle-slider::before { transform: translateX(16px); }
.cookie-toggle input:disabled + .cookie-toggle-slider { background: var(--color-indigo-mid); cursor: not-allowed; opacity: 0.7; }
.cookie-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.cookie-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base), transform var(--transition-fast);
  border: 1.5px solid transparent;
  font-family: var(--font-body);
  white-space: nowrap;
  text-align: center;
}
.cookie-btn:hover { transform: translateY(-1px); }
.cookie-btn-accept-all {
  background: var(--color-indigo-mid);
  color: white;
  border-color: var(--color-indigo-mid);
}
.cookie-btn-accept-all:hover { background: var(--color-indigo-deep); }
.cookie-btn-save {
  background: transparent;
  color: var(--color-indigo-mid);
  border-color: var(--color-indigo-mid);
}
.cookie-btn-save:hover { background: var(--color-indigo-light); }
.cookie-btn-reject {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
  font-size: 0.75rem;
}
.cookie-btn-reject:hover { color: var(--color-text-primary); border-color: var(--color-border-strong); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1100px) {
  .materials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
}

@media (max-width: 900px) {
  .hero-section {
    grid-template-columns: 1fr;
    padding-top: calc(var(--header-h) + var(--space-lg));
    padding-bottom: var(--space-2xl);
    min-height: auto;
  }
  .hero-visual-block { display: none; }
  .courses-grid { grid-template-columns: 1fr; }
  .intro-grid { grid-template-columns: 1fr; }
  .tradition-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .primary-nav { display: none; }
  .nav-cta { display: none; }
  .mobile-menu-trigger { display: flex; }
  .step-content-wrap { grid-template-columns: 1fr; }
  .step-icon-large { width: 48px; height: 48px; font-size: 1.2rem; }
  .cookie-banner.cookie-visible { flex-direction: column; }
  .cookie-banner-left { border-right: none; border-bottom: 1px solid var(--color-border); }
}

@media (max-width: 640px) {
  :root {
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 5rem;
  }
  .hero-actions { flex-direction: column; }
  .hero-actions a { width: 100%; justify-content: center; }
  .hero-meta-strip { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .meta-divider { display: none; }
  .materials-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .contact-form { padding: var(--space-md); }
  .process-step { grid-template-columns: 60px 1fr; gap: var(--space-sm); }
  .step-content-wrap { padding: var(--space-md); }
  .cookie-actions { flex-direction: column; }
  .cookie-btn { flex: none; width: 100%; }
}

@media (min-width: 901px) {
  .mobile-menu-trigger { display: none; }
  .mobile-nav-panel { display: none; }
}