@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Inter:wght@300;400;500;600;700;800&display=swap');

/* --- DESIGN SYSTEM TOKENS --- */
:root {
  --bg-dark: #050811; /* Deep obsidian navy */
  --bg-panel: #0c1220; /* Boardroom dark panel */
  --bg-panel-light: #151e33;
  --bg-platinum: #f8fafc; /* Crisp platinum white background */
  --color-blue: #0f1c3f; /* Deep blue tier color */
  --color-blue-light: #1d3066;
  --color-orange: #c85617; /* Burnt copper */
  --color-orange-hover: #a64510; /* Darker burnt copper hover */
  --color-gold-start: #bfa15f; /* Champagne Gold start */
  --color-gold-mid: #dfc28d; /* Champagne Gold mid */
  --color-gold-end: #9e7528; /* Champagne Gold end */
  --text-white: #ffffff;
  --text-light: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dark: #0f172a;
  
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow-orange: 0 0 35px rgba(200, 86, 23, 0.3);
  --shadow-glow-blue: 0 0 35px rgba(15, 28, 63, 0.5);
  --shadow-glow-gold: 0 0 35px rgba(191, 161, 95, 0.2);
  
  --border-glass: 1px solid rgba(255, 255, 255, 0.05);
  --glass-bg: rgba(12, 18, 32, 0.7);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background: var(--bg-dark);
}

/* --- AMBIENT PARTICLE CANVAS --- */
#ambient-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Ensure all page content sits above the canvas */
header { z-index: 100; }
section, footer, main { position: relative; z-index: 1; }


h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-white);
  line-height: 1.2;
}

p {
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

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

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

button, input, textarea, select {
  font-family: inherit;
  background: none;
  border: none;
  outline: none;
}

/* --- CUSTOM SCROLLBAR --- */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 5px;
  border: 2px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-orange);
}

/* --- UTILITY CLASSES --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-orange {
  color: var(--color-orange);
}

.text-gold {
  background: linear-gradient(90deg, var(--color-gold-start), var(--color-gold-mid), var(--color-gold-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.bg-gradient-blue {
  background: linear-gradient(135deg, #070e1f 0%, #112042 100%);
}

.glow-orange {
  box-shadow: var(--shadow-glow-orange);
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--border-glass);
}

/* --- ANIMATION KEYFRAMES --- */
@keyframes float {
  0% { transform: translateY(0px) rotateY(-5deg); }
  50% { transform: translateY(-12px) rotateY(2deg); }
  100% { transform: translateY(0px) rotateY(-5deg); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.5; }
}

@keyframes slideIn {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* --- SCROLL REVEAL --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--color-orange);
  color: var(--text-white);
  box-shadow: 0 4px 15px rgba(200, 86, 23, 0.3);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: 0.6s ease;
  z-index: -1;
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-primary:hover {
  background-color: var(--color-orange-hover);
  box-shadow: var(--shadow-glow-orange);
  transform: translateY(-2px);
}

.btn-outline-gold {
  border: 1px solid var(--color-gold-start);
  background: linear-gradient(90deg, rgba(191,149,63,0.1), rgba(170,119,28,0.1));
  color: var(--text-white);
}

.btn-outline-gold:hover {
  background: linear-gradient(90deg, var(--color-gold-start), var(--color-gold-mid), var(--color-gold-end));
  color: var(--text-dark);
  font-weight: 700;
  box-shadow: var(--shadow-glow-gold);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--text-white);
  color: var(--text-dark);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

.btn-white:hover {
  background-color: #f1f5f9;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.btn-blue {
  background-color: var(--color-blue);
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 15px rgba(29, 53, 87, 0.3);
}

.btn-blue:hover {
  background-color: var(--color-blue-light);
  border-color: transparent;
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-2px);
}

.btn-dark-navy {
  background-color: var(--bg-dark);
  color: var(--text-white);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.btn-dark-navy:hover {
  background-color: var(--bg-panel);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

/* --- HEADER / NAVIGATION --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--border-glass);
  transition: var(--transition-smooth);
}

header.scrolled {
  padding: 0.5rem 0;
  background: rgba(3, 7, 18, 0.95);
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
}

header .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 90px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

header.scrolled .nav-container {
  height: 70px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  overflow: hidden;
}

.logo-crest {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--color-gold-start), var(--color-gold-mid), var(--color-gold-end));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 900;
  color: var(--bg-dark);
  font-size: 1.2rem;
  box-shadow: var(--shadow-glow-gold);
}

.logo-img {
  height: 44px;
  max-height: 44px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

header.scrolled .logo-img {
  height: 36px;
  max-height: 36px;
}

.logo-img-footer {
  height: 60px;
  max-height: 60px;
  max-width: 200px;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.logo-text span {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-orange);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

nav ul li a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-orange);
  transition: var(--transition-smooth);
}

nav ul li a:hover, nav ul li a.active {
  color: var(--text-white);
}

nav ul li a:hover::after, nav ul li a.active::after {
  width: 100%;
}

.header-cta {
  display: inline-block;
}

/* MOBILE NAV TOGGLE */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-white);
  transition: var(--transition-smooth);
}

/* --- FOOTER --- */
footer {
  background-color: #02040a;
  border-top: var(--border-glass);
  padding: 5rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-info .logo-link {
  margin-bottom: 1.5rem;
}

.footer-info p {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  max-width: 320px;
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.footer-social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.03);
  border: var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.footer-social-icon:hover {
  background-color: var(--color-orange);
  color: var(--text-white);
  transform: translateY(-3px);
}

.footer-col h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--color-orange);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-col ul a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-col ul a:hover {
  color: var(--text-white);
  padding-left: 5px;
}

.footer-newsletter h4 {
  margin-bottom: 1.8rem;
}

.footer-newsletter p {
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
}

.newsletter-form {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.5rem;
}

.newsletter-form input {
  flex-grow: 1;
  color: var(--text-white);
  font-size: 0.9rem;
}

.newsletter-form input::placeholder {
  color: #4b5563;
}

.newsletter-submit {
  cursor: pointer;
  color: var(--color-orange);
  transition: var(--transition-smooth);
}

.newsletter-submit:hover {
  color: var(--text-white);
  transform: translateX(3px);
}

.footer-bottom {
  border-top: var(--border-glass);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #4b5563;
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
}

.footer-bottom-links a:hover {
  color: var(--text-white);
}

/* --- INDEX HERO SECTION --- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 90px;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(15, 28, 63, 0.3) 0%, transparent 60%),
              radial-gradient(circle at 10% 85%, rgba(200, 86, 23, 0.12) 0%, transparent 50%);
}

.hero-background-media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background-image: url('https://firebasestorage.googleapis.com/v0/b/studio-6578078567-d586b.firebasestorage.app/o/SES%20Arena%20Image2.png?alt=media&token=59456ac7-e30b-45ab-92c1-4b03db2e748e');
  background-size: 100% auto;
  background-repeat: no-repeat;
  background-position: center top;
  opacity: 0.5;
}

.hero-glow-overlay {
  position: absolute;
  top: -30%;
  left: -30%;
  width: 160%;
  height: 160%;
  z-index: -1;
  background: radial-gradient(circle at 30% 30%, rgba(30, 64, 175, 0.45) 0%, transparent 60%),
              radial-gradient(circle at 70% 70%, rgba(220, 95, 30, 0.22) 0%, transparent 55%);
  animation: driftGlow 22s infinite alternate ease-in-out;
  pointer-events: none;
  opacity: 0.85;
  mix-blend-mode: screen;
}

@keyframes driftGlow {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  50% {
    transform: translate(6%, 8%) scale(1.12) rotate(20deg);
  }
  100% {
    transform: translate(-4%, 4%) scale(0.92) rotate(-15deg);
  }
}

.hero-content {
  max-width: 800px;
  z-index: 2;
  animation: slideIn 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  background-color: rgba(0, 0, 0, 0.6);
  padding: 3rem;
  border-radius: 8px;
}

.hero-rings {
  display: block;
  max-width: 160px;
  height: auto;
  margin-bottom: 1.5rem;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--color-orange);
  padding-bottom: 4px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 2rem;
  text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.hero-body {
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  color: var(--text-light);
  max-width: 720px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.hero-ctas {
  display: flex;
  gap: 1.5rem;
}

/* --- SECTION: ABOUT INTRO --- */
.about-intro-section {
  padding: 5rem 0;
  background-color: transparent;
  position: relative;
  z-index: 2;
}

.about-intro-single {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.about-intro-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.about-intro-text:last-child {
  margin-bottom: 0;
}

/* --- SECTION 2: CSEP CREDENTIALING OVERVIEW --- */
.credentialing-section {
  padding: 8rem 0;
  position: relative;
  background-color: transparent;
}

.credentialing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.section-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 1rem;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  position: relative;
}

.section-body {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.credentialing-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.badge-glow-container {
  width: 320px;
  height: 320px;
  position: relative;
  z-index: 2;
  border-radius: 50%;
  background: var(--bg-panel);
  border: 1px solid rgba(191, 149, 63, 0.3);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), var(--shadow-glow-gold);
}

.badge-glow-container.has-image {
  padding: 0;
  border: none;
  background: transparent;
  overflow: hidden;
}

.badge-glow-container .badge-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

#pdf-rendered-document,
#pdf-rendered-document h1,
#pdf-rendered-document h2,
#pdf-rendered-document h3,
#pdf-rendered-document h4,
#pdf-rendered-document p,
#pdf-rendered-document li,
#pdf-rendered-document strong,
#pdf-rendered-document span {
  color: #000000 !important;
}

.badge-crest {
  font-size: 2.8rem;
  font-weight: 900;
  font-family: var(--font-serif);
  line-height: 1;
  background: linear-gradient(135deg, var(--color-gold-start), var(--color-gold-mid), var(--color-gold-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.badge-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.badge-subtitle {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-orange);
}

.visual-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 440px;
  height: 440px;
  border-radius: 50%;
  border: 1px dashed rgba(191, 149, 63, 0.15);
  animation: pulse-glow 4s infinite ease-in-out;
  pointer-events: none;
}

/* --- SECTION 3: DEFINITION CALLOUT --- */
.definition-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #060b18 50%, var(--bg-dark) 100%);
  position: relative;
}

.definition-card {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem;
  border-radius: 4px;
  background: linear-gradient(135deg, rgba(11, 19, 41, 0.8) 0%, rgba(7, 11, 23, 0.9) 100%);
  border: var(--border-glass);
  box-shadow: var(--shadow-premium), 0 0 40px rgba(0,0,0,0.4);
  position: relative;
  overflow: hidden;
}

.definition-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-orange), var(--color-gold-start));
}

.definition-word {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.word-spelling {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-serif);
}

.word-phonetic {
  font-size: 1.2rem;
  color: var(--color-orange);
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.word-part {
  font-style: italic;
  font-family: Georgia, serif;
  color: var(--color-gold-start);
  font-size: 1.1rem;
}

.definition-block {
  margin-bottom: 2rem;
}

.definition-text {
  font-size: 1.35rem;
  line-height: 1.8;
  color: var(--text-light);
  font-weight: 300;
  margin-bottom: 1.5rem;
}

.definition-sublist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-left: 2px solid rgba(255, 255, 255, 0.05);
  padding-left: 1.5rem;
}

.definition-sublist li {
  font-size: 1rem;
  color: var(--text-muted);
}

.definition-sublist strong {
  color: var(--text-white);
  font-weight: 500;
}

.definition-derivation {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
}

/* --- SECTION 4: BOOK PROMO --- */
.book-section {
  padding: 8rem 0;
  position: relative;
  background-color: transparent;
}

.book-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 6rem;
  align-items: center;
}

.book-image-container {
  display: flex;
  justify-content: center;
  perspective: 1200px;
}

.book-mockup-wrapper {
  position: relative;
  width: 320px;
  height: 460px;
  transform-style: preserve-3d;
  transform: rotateY(-15deg) rotateX(10deg);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -20px 25px 50px rgba(0, 0, 0, 0.7);
}

.book-mockup-wrapper:hover {
  transform: rotateY(5deg) rotateX(5deg) translateY(-8px);
}

.book-mockup-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
}

.book-spine {
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 100%;
  background: #111;
  transform: rotateY(-90deg) translateX(-20px);
  transform-origin: left center;
  box-shadow: inset -5px 0 10px rgba(0,0,0,0.8);
}

.book-shadow {
  position: absolute;
  bottom: -40px;
  left: -20px;
  width: 360px;
  height: 40px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 0%, transparent 70%);
  transform: rotateX(90deg);
  z-index: -1;
  pointer-events: none;
}

.book-sub-headline {
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-white);
  margin-bottom: 2rem;
  border-left: 2px solid var(--color-orange);
  padding-left: 1.5rem;
}

/* --- SECTION 5: MEMBERSHIP TIERS --- */
.membership-section {
  padding: 8rem 0;
  background: radial-gradient(circle at 50% 0, rgba(15, 28, 63, 0.3) 0%, transparent 60%),
              var(--bg-dark);
  position: relative;
}

.membership-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.membership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
  align-items: stretch;
}

.membership-card {
  border-radius: 4px;
  padding: 3.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
  height: 100%;
}

.membership-card:hover {
  transform: translateY(-10px);
}

.card-badge {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.4rem 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  border: var(--border-glass);
}

.card-title {
  font-size: 1.6rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-description {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 3rem;
  flex-grow: 1;
}

/* Card 1: General (Blue Styling) */
.card-general {
  background: linear-gradient(135deg, rgba(15, 28, 63, 0.3) 0%, rgba(12, 18, 32, 0.8) 100%);
  border: 1px solid rgba(15, 28, 63, 0.4);
  box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}

.card-general .card-title {
  color: var(--text-light);
}

.card-general:hover {
  box-shadow: var(--shadow-glow-blue);
  border-color: var(--color-blue-light);
}

/* Card 2: Industry Professionals (White/Platinum Styling) */
.card-professional {
  background: #ffffff;
  color: var(--text-dark);
  border: 1px solid #e2e8f0;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
  transform: scale(1.03);
  z-index: 2;
}

.card-professional:hover {
  transform: translateY(-10px) scale(1.04);
  box-shadow: 0 30px 60px rgba(255, 255, 255, 0.15);
}

.card-professional .card-title {
  color: var(--text-dark);
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

.card-professional .card-description {
  color: #334155;
  font-weight: 400;
}

.card-professional .card-badge {
  color: var(--color-orange);
  background: rgba(200, 86, 23, 0.08);
  border-color: rgba(200, 86, 23, 0.15);
}

/* Card 3: Brands and Vendors (Orange Styling) */
.card-vendors {
  background: linear-gradient(135deg, rgba(200, 86, 23, 0.08) 0%, rgba(12, 18, 32, 0.8) 100%);
  border: 1px solid rgba(200, 86, 23, 0.3);
  box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}

.card-vendors .card-title {
  color: var(--text-light);
}

.card-vendors:hover {
  box-shadow: var(--shadow-glow-orange);
  border-color: var(--color-orange);
}

/* --- THE BOOK PAGE (`book.html`) --- */
.book-hero {
  position: relative;
  overflow: hidden;
  padding: 10rem 0 5rem;
  background: var(--bg-dark);
}

.book-details-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 6rem;
  margin-top: 4rem;
}

.book-purchase-panel {
  background: var(--bg-panel);
  border: var(--border-glass);
  padding: 3rem;
  border-radius: 4px;
  margin-top: 3rem;
}

.purchase-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.purchase-option {
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
  border-radius: 3px;
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.purchase-option.active, .purchase-option:hover {
  border-color: var(--color-orange);
  background: rgba(200, 86, 23, 0.04);
}

.purchase-option-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.purchase-option-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
  font-family: var(--font-serif);
}

.book-features-section {
  padding: 6rem 0;
  background: var(--bg-platinum);
  color: var(--text-dark);
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.book-features-section .membership-header h2,
.book-features-section .membership-header p,
.book-features-section .feature-title,
.book-features-section .section-body {
  color: var(--text-dark);
}

.book-features-section .membership-header p {
  color: #475569;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.feature-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 2.5rem;
  border-radius: 3px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  transition: var(--transition-smooth);
}

.feature-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
  border-color: rgba(200, 86, 23, 0.2);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: rgba(200, 86, 23, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-orange);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.feature-title {
  font-size: 1.15rem;
  margin-bottom: 1rem;
}

/* --- CSEP CERTIFICATION PAGE (`csep.html`) --- */
.csep-hero {
  position: relative;
  overflow: hidden;
  padding: 10rem 0 5rem;
  background: var(--bg-dark);
}

.csep-intro-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 6rem;
  margin-top: 4rem;
}

.csep-process-section {
  padding: 8rem 0;
  background-color: var(--bg-platinum);
  color: var(--text-dark);
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.csep-process-section .membership-header h2,
.csep-process-section .membership-header p,
.csep-process-section .step-title,
.csep-process-section .section-body {
  color: var(--text-dark);
}

.csep-process-section .membership-header p {
  color: #475569;
}

.process-timeline {
  max-width: 800px;
  margin: 4rem auto 0;
  position: relative;
  padding-left: 2.5rem;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-gold-start) 0%, #e2e8f0 100%);
}

.timeline-step {
  position: relative;
  margin-bottom: 4rem;
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.step-number {
  position: absolute;
  top: 0;
  left: -2.5rem;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--color-gold-start);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-gold-end);
  z-index: 2;
  font-size: 0.95rem;
  box-shadow: 0 0 15px rgba(191,149,63,0.15);
}

.step-content {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 2rem 2.5rem;
  border-radius: 3px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  transition: var(--transition-smooth);
  color: var(--text-dark);
}

.step-content:hover {
  transform: translateX(6px);
  border-color: var(--color-gold-start);
  box-shadow: 0 15px 40px rgba(191, 161, 95, 0.12);
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
}

/* CSEP Application Form Section */
.application-section {
  padding: 8rem 0;
  background-color: transparent;
  position: relative;
}

.application-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-panel);
  border: var(--border-glass);
  padding: 4rem;
  border-radius: 4px;
  box-shadow: var(--shadow-premium);
}

.application-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.application-header h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.premium-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light);
}

.form-group input, .form-group select, .form-group textarea {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  padding: 1rem;
  color: var(--text-white);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--color-orange);
  background: rgba(255, 255, 255, 0.04);
}

.form-group select {
  cursor: pointer;
}

.form-group select option {
  background-color: var(--bg-panel);
  color: var(--text-white);
}

.form-checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 1rem;
}

.form-checkbox input {
  width: auto;
  cursor: pointer;
  margin-top: 0.2rem;
}

.form-submit-container {
  grid-column: span 2;
  text-align: center;
  margin-top: 2rem;
}

/* Success notification message state */
.form-notification {
  display: none;
  grid-column: span 2;
  padding: 1.5rem;
  border-radius: 2px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.form-notification.success {
  display: block;
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.form-notification.error {
  display: block;
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

/* --- SECTION: RECOGNIZED LOGOS --- */
.recognized-logos-section {
  padding: 5rem 0;
  background-color: transparent;
  border-bottom: var(--border-glass);
}

.logos-title {
  text-align: center;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 3rem;
  text-transform: uppercase;
}

.logos-marquee {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.logos-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.logo-placeholder {
  width: 160px;
  height: 60px;
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  box-sizing: border-box;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo-placeholder:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.15);
}

.logo-placeholder img {
  max-width: 90%;
  max-height: 80%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: all 0.3s ease;
}

.logo-placeholder:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  
  .membership-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 480px;
    margin: 0 auto;
  }
  
  .card-professional {
    transform: scale(1);
  }
  
  .card-professional:hover {
    transform: translateY(-10px);
  }
  
  .credentialing-grid, .book-grid, .book-details-grid, .csep-intro-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .credentialing-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  header .nav-container {
    height: 75px;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  nav {
    position: fixed;
    top: 75px;
    left: 0;
    width: 100%;
    height: calc(100vh - 75px);
    background: rgba(3, 7, 18, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translateY(-120%);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 99;
  }
  
  nav.mobile-active {
    transform: translateY(0);
  }
  
  nav ul {
    flex-direction: column;
    gap: 3rem;
    text-align: center;
  }
  
  nav ul li a {
    font-size: 1.3rem;
  }
  
  .header-cta {
    display: none; /* Hide top right button on mobile to save space, standard in luxury sites */
  }
  
  /* Menu toggle animations */
  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }
  
  .hero-section {
    padding-top: 120px;
    text-align: center;
  }
  
  .hero-ctas {
    justify-content: center;
    flex-direction: column;
  }
  
  .definition-card {
    padding: 2rem;
  }
  
  .word-spelling {
    font-size: 2.2rem;
  }
  
  .definition-text {
    font-size: 1.15rem;
  }
  
  .premium-form {
    grid-template-columns: 1fr;
  }
  
  .form-group.full-width, .form-submit-container {
    grid-column: span 1;
  }
  
  .application-container {
    padding: 2.5rem 1.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}