/* ==========================================================================
   XAURA GLOBAL & TURKUAZ EUROPE - 16:9 İŞ FIRSATI SUNUMU
   FESTE HD-REFERENZAUFLÖSUNG: 1280 × 720 PIXEL (16:9)
   KEIN RESPONSIVES REFLOW - PROPORTIONALE SKALIERUNG AUF ALLEN BILDSCHIRMEN
   Design Basis: 1280x720 | Full HD: 1.5x | QHD: 2.0x | 4K: 3.0x
   ========================================================================== */

:root {
  --bg-deep: #EBF2F8;
  --bg-surface: #F4F8FC;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-card-hover: #FFFFFF;
  --border-subtle: rgba(203, 213, 225, 0.85);
  --border-bright: rgba(2, 132, 199, 0.45);
  --text-main: #0B192C;
  --text-muted: #475569;
  --text-dim: #64748B;
  --cyan-primary: #0284C7;
  --blue-primary: #0066EE;
  --accent-gold: #D97706;
  --accent-green: #059669;
  --accent-red: #DC2626;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow: hidden;
  user-select: none;
}

/* App Wrapper */
#presentation-app {
  position: relative;
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #EBF2F9;
  overflow: hidden;
}

/* Ambient Backdrop Glows */
.ambient-glow-1 {
  position: absolute;
  top: -15%;
  left: 25%;
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  background: radial-gradient(circle, rgba(0, 112, 243, 0.12) 0%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
  z-index: 1;
}

.ambient-glow-2 {
  position: absolute;
  bottom: -15%;
  right: 20%;
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.12) 0%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
  z-index: 1;
}

/* Top Bar: Clean Frosted Navigation */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 100;
  border-bottom: 1px solid rgba(203, 213, 225, 0.85);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

.top-nav-hover-trigger {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 25px;
  z-index: 99;
}

.top-nav-hover-trigger:hover + .top-nav,
.top-nav:hover {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo-xaura {
  height: 24px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.06));
}

.brand-divider {
  width: 1px;
  height: 18px;
  background: rgba(148, 163, 184, 0.4);
}

.brand-logo-turkuaz {
  height: 24px;
  width: auto;
  opacity: 0.95;
}

.section-pill {
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 16px;
  border-radius: 9999px;
  background: rgba(2, 132, 199, 0.08);
  color: #0284C7;
  border: 1px solid rgba(2, 132, 199, 0.28);
  white-space: nowrap;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(203, 213, 225, 0.9);
  color: var(--text-main);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
}

.icon-btn:hover {
  background: rgba(2, 132, 199, 0.08);
  border-color: #0284C7;
  color: #0284C7;
}

.icon-btn.active {
  background: rgba(2, 132, 199, 0.15);
  border-color: #0284C7;
  color: #0284C7;
}

.timer-badge {
  font-family: monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  background: rgba(241, 245, 249, 0.95);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid rgba(203, 213, 225, 0.85);
}

/* ==========================================================================
   VIEWPORT & FESTE 1280 × 720 HD STAGE (KEIN REFLOW, NUR UNIFORM SCALE)
   ========================================================================== */
.presentation-viewport {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.presentation-stage {
  position: relative;
  width: 1280px;
  height: 720px;
  min-width: 1280px;
  min-height: 720px;
  max-width: 1280px;
  max-height: 720px;
  background: #F8FAFD;
  border-radius: 0;
  border: none;
  box-shadow: none;
  overflow: hidden;
  display: flex;
  flex-shrink: 0;
  transform-origin: center center;
  will-change: transform;
}

/* Master Slide Canvas: Exactly 1280x720 Fixed */
.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 1280px;
  height: 720px;
  padding: 16px 40px 12px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(circle at 85% 15%, rgba(0, 112, 243, 0.05) 0%, transparent 60%),
              radial-gradient(circle at 15% 85%, rgba(2, 132, 199, 0.06) 0%, transparent 60%),
              linear-gradient(155deg, #FDFEFE 0%, #F3F7FC 60%, #EBF2F9 100%);
  transition: opacity 0.25s ease;
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

/* Slide Header Meta */
.slide-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 32px;
  margin-bottom: 8px;
}

.slide-category-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 16px;
  border-radius: 9999px;
  background: rgba(2, 132, 199, 0.08);
  border: 1px solid rgba(2, 132, 199, 0.28);
  color: var(--cyan-primary);
}

.slide-number-tag {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-dim);
}

/* Slide Body Canvas (Usable Height: ~625px) */
.slide-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 100%;
  height: 625px;
  max-height: 625px;
}

/* Slide Footer Bar */
.slide-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 26px;
  padding-top: 6px;
  border-top: 1px solid rgba(203, 213, 225, 0.75);
  font-size: 15px;
  color: var(--text-dim);
  font-weight: 600;
}

/* ==========================================================================
   TYPOGRAPHY ON 1280 × 720 MASTER CANVAS
   Hauptheadline: 48–64 px | Zwischenüberschrift: 34–44 px | Text: 26–32 px
   ========================================================================== */
.slide-giant-title {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-main);
  text-align: center;
  text-shadow: none;
  margin-bottom: 14px;
}

.slide-giant-title-cyan {
  color: var(--cyan-primary);
  text-shadow: none;
}

.slide-giant-subtitle {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-muted);
  text-align: center;
  margin-top: 6px;
}

.slide-giant-number {
  font-size: 96px;
  font-weight: 900;
  line-height: 1;
  color: var(--cyan-primary);
  text-shadow: none;
  margin-bottom: 12px;
}

.slide-giant-label {
  font-size: 34px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  text-align: center;
}

/* Bullet list: 24–30 px */
.bullet-benefit-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  margin-top: 14px;
}

.bullet-benefit-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-main);
}

.bullet-dot-cyan {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan-primary);
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.4);
  flex-shrink: 0;
}

.ingredients-mini-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(241, 245, 249, 0.95);
  border: 1px solid rgba(203, 213, 225, 0.7);
  padding: 8px 18px;
  border-radius: 9999px;
  margin-top: 16px;
}

/* ==========================================================================
   PRODUCT SHOWCASE LAYOUTS (1280 × 720 HD REFERENCE)
   1 Produkt: ca. 60-80% Höhe (430-570px)
   2 Produkte: 2 Spalten, jeweils sehr groß
   3 Produkte: 3 Spalten, klar erkennbar
   ========================================================================== */

/* 1. SINGLE PRODUCT HERO (Slide 30: X-Col, Slide 38: X-Lim+, Slide 39: X-Queen) */
.product-single-layout {
  display: grid;
  grid-template-columns: 560px 600px;
  gap: 32px;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 560px;
}

.product-single-image-box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 530px;
  width: 560px;
}

.product-single-backdrop {
  position: absolute;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.16) 0%, rgba(0, 112, 243, 0.04) 55%, transparent 75%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 1;
}

.product-single-backdrop.rose {
  background: radial-gradient(circle, rgba(225, 29, 72, 0.16) 0%, transparent 75%);
}

.product-single-backdrop.emerald {
  background: radial-gradient(circle, rgba(5, 150, 105, 0.16) 0%, transparent 75%);
}

.product-single-backdrop.purple {
  background: radial-gradient(circle, rgba(124, 58, 237, 0.16) 0%, transparent 75%);
}

.product-single-img {
  position: relative;
  z-index: 2;
  height: 490px;
  width: auto;
  max-width: 520px;
  object-fit: contain;
  filter: drop-shadow(0 20px 35px rgba(15, 23, 42, 0.18)) drop-shadow(0 4px 10px rgba(0, 0, 0, 0.08));
  transition: transform 0.35s ease;
}

.product-single-img:hover {
  transform: scale(1.04);
}

/* 2. DUAL PRODUCT LAYOUT: Exactly 2 Columns (576px each), Height 550px */
.product-dual-layout {
  display: grid;
  grid-template-columns: 580px 580px;
  gap: 28px;
  align-items: stretch;
  justify-content: center;
  width: 100%;
  height: 575px;
}

.product-dual-card {
  position: relative;
  background: linear-gradient(175deg, rgba(255, 255, 255, 0.95) 0%, rgba(241, 247, 253, 0.92) 100%);
  border: 1.5px solid rgba(186, 215, 243, 0.85);
  border-radius: 20px;
  padding: 16px 20px 14px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  text-align: center;
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.06), inset 0 1px 0 rgba(255, 255, 255, 1);
}

.product-dual-card.featured,
.product-dual-card:hover {
  border-color: #0284C7;
  background: linear-gradient(175deg, #FFFFFF 0%, #EBF4FE 100%);
  box-shadow: 0 20px 45px rgba(2, 132, 199, 0.15), 0 0 30px rgba(2, 132, 199, 0.08);
}

.product-card-header {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.product-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 5px 14px;
  border-radius: 9999px;
  background: rgba(2, 132, 199, 0.08);
  color: #0284C7;
  border: 1px solid rgba(2, 132, 199, 0.28);
}

.product-pill-badge.gold {
  background: rgba(217, 119, 6, 0.08);
  color: #D97706;
  border-color: rgba(217, 119, 6, 0.28);
}

.product-pill-badge.green {
  background: rgba(5, 150, 105, 0.08);
  color: #059669;
  border-color: rgba(5, 150, 105, 0.28);
}

.product-pill-badge.pink {
  background: rgba(225, 29, 72, 0.08);
  color: #E11D48;
  border-color: rgba(225, 29, 72, 0.28);
}

.product-pill-badge.purple {
  background: rgba(124, 58, 237, 0.08);
  color: #7C3AED;
  border-color: rgba(124, 58, 237, 0.28);
}

.product-card-title {
  font-size: 34px;
  font-weight: 900;
  color: var(--text-main);
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0;
}

.product-card-claim {
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan-primary);
  letter-spacing: 0.01em;
}

.product-image-stage {
  position: relative;
  width: 100%;
  height: 250px;
  max-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 4px 0;
}

.product-spotlight-glow {
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.14) 0%, rgba(0, 112, 243, 0.03) 55%, transparent 75%);
  filter: blur(25px);
  pointer-events: none;
  z-index: 1;
}

.product-spotlight-glow.gold {
  background: radial-gradient(circle, rgba(217, 119, 6, 0.15) 0%, transparent 75%);
}

.product-spotlight-glow.rose {
  background: radial-gradient(circle, rgba(225, 29, 72, 0.14) 0%, transparent 75%);
}

.product-spotlight-glow.green {
  background: radial-gradient(circle, rgba(5, 150, 105, 0.14) 0%, transparent 75%);
}

.product-spotlight-glow.purple {
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 75%);
}

.product-hero-img {
  position: relative;
  z-index: 2;
  height: 245px;
  max-height: 245px;
  width: auto;
  max-width: 480px;
  object-fit: contain;
  filter: drop-shadow(0 15px 25px rgba(15, 23, 42, 0.18)) drop-shadow(0 4px 8px rgba(0, 0, 0, 0.06));
}

.product-hero-img-framed {
  position: relative;
  z-index: 2;
  height: 225px;
  max-height: 225px;
  width: auto;
  max-width: 440px;
  object-fit: cover;
  border-radius: 16px;
  border: 1.5px solid rgba(203, 213, 225, 0.85);
  box-shadow: 0 15px 30px rgba(15, 23, 42, 0.12), 0 0 20px rgba(217, 119, 6, 0.12);
}

.product-card-footer {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.product-benefit-chips {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}

.benefit-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(203, 213, 225, 0.85);
  font-size: 20px;
  font-weight: 700;
  color: #1E293B;
  text-align: center;
  box-shadow: 0 2px 4px rgba(15, 23, 42, 0.03);
}

.benefit-chip-icon {
  color: #0284C7;
  font-size: 20px;
  line-height: 1;
}


.product-dual-card .benefit-chip {
  font-size: 18px;
  padding: 7px 14px;
  line-height: 1.35;
}

.product-dual-card .product-ingredients-bar {
  font-size: 15px;
  padding: 6px 14px;
}

.product-ingredients-bar {
  font-size: 17px;
  font-weight: 600;
  color: #475569;
  background: rgba(241, 245, 249, 0.95);
  padding: 6px 14px;
  border-radius: 9999px;
  border: 1px solid rgba(203, 213, 225, 0.7);
  letter-spacing: 0.01em;
}

/* 3. TRIO PRODUCT LAYOUT (Slide 33: Coffee) - 3 Columns (380px each), Height 540px */
.product-trio-layout {
  display: grid;
  grid-template-columns: 384px 384px 384px;
  gap: 18px;
  align-items: stretch;
  justify-content: center;
  width: 100%;
  height: 575px;
}

.product-trio-card {
  position: relative;
  background: linear-gradient(175deg, rgba(255, 255, 255, 0.96) 0%, rgba(241, 247, 253, 0.94) 100%);
  border: 1.5px solid rgba(186, 215, 243, 0.85);
  border-radius: 18px;
  padding: 14px 14px 12px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  text-align: center;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06), inset 0 1px 0 rgba(255, 255, 255, 1);
}

.product-trio-card.featured {
  border-color: #0284C7;
  background: linear-gradient(175deg, #FFFFFF 0%, #EBF4FE 100%);
  box-shadow: 0 18px 40px rgba(2, 132, 199, 0.15);
}

.product-trio-card .product-card-title {
  font-size: 26px;
  line-height: 1.15;
  margin: 2px 0;
}

.product-trio-card .product-card-claim {
  font-size: 16px;
  font-weight: 700;
}

.product-trio-card .product-image-stage {
  height: 195px;
  max-height: 195px;
  min-height: 180px;
  margin: 2px 0;
}

.product-trio-img {
  position: relative;
  z-index: 2;
  height: 190px;
  max-height: 190px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  filter: drop-shadow(0 12px 20px rgba(15, 23, 42, 0.16)) drop-shadow(0 4px 6px rgba(0, 0, 0, 0.06));
}

.product-trio-card .product-card-footer {
  gap: 6px;
}

.product-trio-card .product-benefit-chips {
  gap: 5px;
}

.product-trio-card .benefit-chip {
  font-size: 16px;
  font-weight: 700;
  padding: 6px 10px;
  line-height: 1.3;
  border-radius: 8px;
}

.product-trio-card .benefit-chip-icon {
  font-size: 16px;
}

.product-dual-card .benefit-chip {
  font-size: 18px;
  padding: 7px 14px;
  line-height: 1.35;
}

.product-dual-card .product-ingredients-bar {
  font-size: 15px;
  padding: 6px 14px;
}

.product-ingredients-bar {
  font-size: 14px;
  font-weight: 700;
  padding: 5px 12px;
  margin-top: 4px;
}

/* 4. QUAD PRODUCT LAYOUT (Slide 37: 4 Masks) - 4 Columns (278px each), Height 530px */
.product-quad-layout {
  display: grid;
  grid-template-columns: repeat(4, 278px);
  gap: 18px;
  align-items: stretch;
  justify-content: center;
  width: 100%;
  height: 530px;
}

.product-quad-card {
  position: relative;
  background: linear-gradient(175deg, rgba(255, 255, 255, 0.95) 0%, rgba(241, 247, 253, 0.92) 100%);
  border: 1.5px solid rgba(186, 215, 243, 0.8);
  border-radius: 16px;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  text-align: center;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
}

.product-quad-img {
  height: 250px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  filter: drop-shadow(0 10px 18px rgba(15, 23, 42, 0.16));
  margin: 8px 0;
}

/* ==========================================================================
   COMPONENTS: CARDS, FUNNELS, COMPARISONS (FIXED HD DIMENSIONS)
   ========================================================================== */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1.5px solid var(--border-subtle);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.05), inset 0 1px 0 rgba(255, 255, 255, 1);
  color: var(--text-main);
}

.glass-card-glow {
  border-color: rgba(2, 132, 199, 0.4);
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 248, 255, 0.92) 100%);
  box-shadow: 0 15px 35px rgba(2, 132, 199, 0.1), inset 0 1px 0 rgba(255, 255, 255, 1);
}

.step-sequence {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
}

.step-card {
  flex: 1;
  background: var(--bg-card);
  border: 1.5px solid var(--border-subtle);
  border-radius: 14px;
  padding: 24px 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
  color: var(--text-main);
}

.step-arrow {
  color: var(--cyan-primary);
  font-size: 36px;
  font-weight: 900;
  flex-shrink: 0;
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  width: 100%;
}

.starter-packages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 1100px;
}

.starter-package-box {
  background: rgba(255, 255, 255, 0.92);
  border: 1.5px solid var(--border-subtle);
  border-radius: 16px;
  padding: 30px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
  color: var(--text-main);
}

.starter-package-box.highlight {
  background: linear-gradient(180deg, #FFFFFF 0%, #EFF6FF 100%);
  border: 2px solid var(--cyan-primary);
  box-shadow: 0 20px 45px rgba(2, 132, 199, 0.18);
  transform: scale(1.03);
}

/* Navigation Arrow Buttons */
.nav-arrow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid rgba(203, 213, 225, 0.9);
  color: var(--text-main);
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 40;
  transition: all 0.25s ease;
  opacity: 0.85;
}

.nav-arrow-btn:hover {
  opacity: 1;
  background: #FFFFFF;
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 25px rgba(2, 132, 199, 0.2);
}

.nav-arrow-left { left: 16px; }
.nav-arrow-right { right: 16px; }

/* Speaker Notes Drawer */
.speaker-notes-drawer {
  position: fixed;
  top: 0;
  right: -440px;
  width: 420px;
  max-width: 90vw;
  height: 100vh;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-left: 1.5px solid rgba(203, 213, 225, 0.9);
  box-shadow: -15px 0 40px rgba(15, 23, 42, 0.12);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  color: var(--text-main);
}

.speaker-notes-drawer.open { right: 0; }

.notes-header {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(203, 213, 225, 0.85);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notes-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.notes-content-box {
  background: rgba(2, 132, 199, 0.06);
  border-left: 3.5px solid var(--cyan-primary);
  padding: 16px;
  border-radius: 0 10px 10px 0;
  font-size: 15px;
  line-height: 1.65;
  color: #1E293B;
  white-space: pre-line;
}

/* Overview Modal */
.overview-modal {
  position: fixed;
  inset: 0;
  background: rgba(241, 245, 249, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 200;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.overview-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.overview-header {
  height: 64px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(203, 213, 225, 0.85);
}

.overview-grid {
  flex: 1;
  padding: 28px 32px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.overview-card {
  aspect-ratio: 16 / 9;
  background: #FFFFFF;
  border: 1.5px solid rgba(203, 213, 225, 0.85);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
  color: var(--text-main);
}

.overview-card:hover {
  border-color: var(--cyan-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.15);
}

.overview-card.active-card {
  border-color: var(--cyan-primary);
  background: #EFF6FF;
}

/* CTA Buttons */
.cta-button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #0066EE 0%, #0284C7 100%);
  color: #FFFFFF !important;
  font-size: 22px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(0, 102, 238, 0.35);
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

.cta-button-primary:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 12px 35px rgba(0, 102, 238, 0.5);
}

.cta-button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-main);
  font-size: 20px;
  font-weight: 700;
  border: 1.5px solid rgba(203, 213, 225, 0.9);
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.05);
}

.cta-button-secondary:hover {
  background: #FFFFFF;
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
}